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Separate CNI plugin dependencies 

Because:
- Current CNI plugins produces an error on Raspbian:
  `failed to create bridge \"cni0\": could not add \"cni0\": operation not supported"`
- Dependencies for CNI plugins may interfere with containerd dependencies.

This change will compile and download CNI plugins separately, and will
downgrade CNI plugins to v0.7.6 for compatability with armv7.
This commit is contained in:
Erik Wilson 2019-10-02 15:55:04 -07:00
parent 1b9698bb71
commit 262a4950bf
130 changed files with 1399 additions and 22421 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
cmd/cni/main.go
View File

@ -1,23 +0,0 @@
package main
import (
"os"
"path/filepath"
hostlocal "github.com/containernetworking/plugins/plugins/ipam/host-local"
"github.com/containernetworking/plugins/plugins/main/bridge"
"github.com/containernetworking/plugins/plugins/main/loopback"
"github.com/containernetworking/plugins/plugins/meta/flannel"
"github.com/containernetworking/plugins/plugins/meta/portmap"
"github.com/docker/docker/pkg/reexec"
)
func main() {
os.Args[0] = filepath.Base(os.Args[0])
reexec.Register("host-local", hostlocal.Main)
reexec.Register("bridge", bridge.Main)
reexec.Register("flannel", flannel.Main)
reexec.Register("loopback", loopback.Main)
reexec.Register("portmap", portmap.Main)
reexec.Init()
}

4
go.mod
View File

@ -12,7 +12,6 @@ replace (
github.com/containerd/fifo => github.com/containerd/fifo v0.0.0-20190816180239-bda0ff6ed73c
github.com/containerd/go-runc => github.com/containerd/go-runc v0.0.0-20190911050354-e029b79d8cda
github.com/containerd/typeurl => github.com/containerd/typeurl v0.0.0-20180627222232-a93fcdb778cd
github.com/containernetworking/plugins => github.com/rancher/plugins v0.8.2-k3s.2
github.com/coreos/flannel => github.com/rancher/flannel v0.11.0-k3s.1
github.com/coreos/go-systemd => github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7
github.com/docker/distribution => github.com/docker/distribution v0.0.0-20190205005809-0d3efadf0154
@ -73,7 +72,7 @@ require (
github.com/containerd/go-cni v0.0.0-20190904155053-d20b7eebc7ee // indirect
github.com/containerd/go-runc v0.0.0-20190923131748-a2952bc25f51 // indirect
github.com/containerd/ttrpc v0.0.0-20190828172938-92c8520ef9f8 // indirect
github.com/containernetworking/plugins v0.8.2
github.com/containernetworking/plugins v0.8.2 // indirect
github.com/coreos/flannel v0.11.0
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e
github.com/docker/docker v0.7.3-0.20190731001754-589f1dad8dad
@ -86,7 +85,6 @@ require (
github.com/google/tcpproxy v0.0.0-20180808230851-dfa16c61dad2
github.com/gorilla/mux v1.7.3
github.com/gorilla/websocket v1.4.0
github.com/j-keck/arping v1.0.0 // indirect
github.com/juju/errors v0.0.0-20190806202954-0232dcc7464d // indirect
github.com/juju/testing v0.0.0-20190723135506-ce30eb24acd2 // indirect
github.com/kubernetes-sigs/cri-tools v0.0.0-00010101000000-000000000000

12
go.sum
View File

@ -53,7 +53,6 @@ github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdko
github.com/Rican7/retry v0.1.0 h1:FqK94z34ly8Baa6K+G8Mmza9rYWTKOJk+yckIBB5qVk=
github.com/Rican7/retry v0.1.0/go.mod h1:FgOROf8P5bebcC1DS0PdOQiqGUridaZvikzUmkFW6gg=
github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
github.com/alexflint/go-filemutex v0.0.0-20171022225611-72bdc8eae2ae h1:AMzIhMUqU3jMrZiTuW0zkYeKlKDAFD+DG20IoO421/Y=
github.com/alexflint/go-filemutex v0.0.0-20171022225611-72bdc8eae2ae/go.mod h1:CgnQgUtFrFz9mxFNtED3jI5tLDjKlOM+oUF/sTk6ps0=
github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e h1:QEF07wC0T1rKkctt1RINW/+RMTVmiwxETico2l3gxJA=
github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
@ -117,6 +116,8 @@ github.com/containerd/typeurl v0.0.0-20180627222232-a93fcdb778cd/go.mod h1:Cm3kw
github.com/containernetworking/cni v0.7.0/go.mod h1:LGwApLUm2FpoOfxTDEeq8T9ipbpZ61X79hmU3w8FmsY=
github.com/containernetworking/cni v0.7.1 h1:fE3r16wpSEyaqY4Z4oFrLMmIGfBYIKpPrHK31EJ9FzE=
github.com/containernetworking/cni v0.7.1/go.mod h1:LGwApLUm2FpoOfxTDEeq8T9ipbpZ61X79hmU3w8FmsY=
github.com/containernetworking/plugins v0.8.2 h1:5lnwfsAYO+V7yXhysJKy3E1A2Gy9oVut031zfdOzI9w=
github.com/containernetworking/plugins v0.8.2/go.mod h1:TxALKWZpWL79BC3GOYKJzzXr7U8R23PdhwaLp6F3adc=
github.com/coredns/corefile-migration v1.0.2/go.mod h1:OFwBp/Wc9dJt5cAZzHWMNhK1r5L0p0jDwIBc6j8NC8E=
github.com/coreos/bbolt v1.3.1-coreos.6 h1:uTXKg9gY70s9jMAKdfljFQcuh4e/BXOM+V+d00KFj3A=
github.com/coreos/bbolt v1.3.1-coreos.6/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
@ -179,8 +180,6 @@ github.com/elazarl/goproxy v0.0.0-20170405201442-c4fc26588b6e/go.mod h1:/Zj4wYkg
github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
github.com/emicklei/go-restful v2.9.5+incompatible h1:spTtZBk5DYEvbxMVutUuTyh1Ao2r4iyvLdACqsl/Ljk=
github.com/emicklei/go-restful v2.9.5+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
github.com/erikwilson/rancher-dynamiclistener v0.0.0-20190717164634-c08b499d1719 h1:oBIokhBifMqHqzn1e6973Uyh+tmEG1gjTJxYN8BVWxE=
github.com/erikwilson/rancher-dynamiclistener v0.0.0-20190717164634-c08b499d1719/go.mod h1:vNqDnGTkrX8tiBUevkvjZoQoiZOjaahVbMaYRIl25l0=
github.com/euank/go-kmsg-parser v2.0.0+incompatible h1:cHD53+PLQuuQyLZeriD1V/esuG4MuU0Pjs5y6iknohY=
github.com/euank/go-kmsg-parser v2.0.0+incompatible/go.mod h1:MhmAMZ8V4CYH4ybgdRwPr2TU5ThnS43puaKEMpja1uw=
github.com/evanphx/json-patch v4.2.0+incompatible h1:fUDGZCv/7iAN7u0puUVhvKCcsR6vRfwrJatElLBEf0I=
@ -386,8 +385,6 @@ github.com/imdario/mergo v0.3.7/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJ
github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
github.com/j-keck/arping v0.0.0-20160618110441-2cf9dc699c56/go.mod h1:ymszkNOg6tORTn+6F6j+Jc8TOr5osrynvN6ivFWZ2GA=
github.com/j-keck/arping v1.0.0 h1:DN6Wy73IeadEEo5xVCgEp+ZGn2xmAypggxj8mtxXBD0=
github.com/j-keck/arping v1.0.0/go.mod h1:ymszkNOg6tORTn+6F6j+Jc8TOr5osrynvN6ivFWZ2GA=
github.com/jetstack/cert-manager v0.7.2/go.mod h1:nbddmhjWxYGt04bxvwVGUSeLhZ2PCyNvd7MpXdq+yWY=
github.com/jimstudt/http-authentication v0.0.0-20140401203705-3eca13d6893a/go.mod h1:wK6yTYYcgjHE1Z1QtXACPDjcFJyBskHEdagmnq3vsP8=
github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5imkbgOkpRUYLnmbU7UEFbjtDA2hxJ1ichM=
@ -617,8 +614,6 @@ github.com/rancher/kubernetes/staging/src/k8s.io/metrics v1.16.0-k3s.1/go.mod h1
github.com/rancher/kubernetes/staging/src/k8s.io/sample-apiserver v1.16.0-k3s.1/go.mod h1:E3i4wscD52Qj6PEcgUjvCd81Tl6Mghk1GHtEzoaaqwU=
github.com/rancher/moq v0.0.0-20190404221404-ee5226d43009 h1:Xsxh7fX3+2wAUJtPy8g2lZh0cYuyifqhBL0vxCIYojs=
github.com/rancher/moq v0.0.0-20190404221404-ee5226d43009/go.mod h1:wpITyDPTi/Na5h73XkbuEf2AP9fbgrIGqqxVzFhYD6U=
github.com/rancher/plugins v0.8.2-k3s.2 h1:5GiHA4adchBV238NuPQvKDRPO0UR4ttAxfBehH2Vx/M=
github.com/rancher/plugins v0.8.2-k3s.2/go.mod h1:TxALKWZpWL79BC3GOYKJzzXr7U8R23PdhwaLp6F3adc=
github.com/rancher/remotedialer v0.2.0 h1:xD7t3K6JYwTdAsxmGtTHQMkEkFgKouQ1foLxVW424Dc=
github.com/rancher/remotedialer v0.2.0/go.mod h1:tkU8ZvrR5lRgaKWaX71nAy6daeqvPFx/lJEnbW7tXSI=
github.com/rancher/wrangler v0.0.0-20190512193419-40fa298578b9/go.mod h1:HM0BuhAugqM5cGtQn2hrMwpbExuLQe7NCUTD+crAxV0=
@ -641,7 +636,6 @@ github.com/russross/blackfriday v0.0.0-20170610170232-067529f716f4/go.mod h1:JO/
github.com/russross/blackfriday v1.5.2 h1:HyvC0ARfnZBqnXwABFeSZHpKvJHJJfPz81GNueLj0oo=
github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
github.com/ryanuber/go-glob v0.0.0-20170128012129-256dc444b735/go.mod h1:807d1WSdnB0XRJzKNil9Om6lcp/3a0v4qIHxIXzX/Yc=
github.com/safchain/ethtool v0.0.0-20190326074333-42ed695e3de8 h1:2c1EFnZHIPCW8qKWgHMH/fX2PkSabFc5mrVzfUNdg5U=
github.com/safchain/ethtool v0.0.0-20190326074333-42ed695e3de8/go.mod h1:Z0q5wiBQGYcxhMZ6gUqHn6pYNLypFAvaL3UvgZLR0U4=
github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww=
github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
@ -688,7 +682,6 @@ github.com/stretchr/testify v0.0.0-20151208002404-e3a8ff8ce365/go.mod h1:a8OnRci
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/syndtr/gocapability v0.0.0-20160928074757-e7cb7fa329f4 h1:w58e6FAOMd+rUgOfhaBb+ZVOQIOfUkpv5AAQVmf6hsI=
github.com/syndtr/gocapability v0.0.0-20160928074757-e7cb7fa329f4/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8 h1:zLV6q4e8Jv9EHjNg/iHfzwDkCve6Ua5jCygptrtXHvI=
github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
@ -729,7 +722,6 @@ github.com/xlab/handysort v0.0.0-20150421192137-fb3537ed64a1/go.mod h1:QcJo0QPSf
github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
go.etcd.io/bbolt v1.3.3 h1:MUGmc65QhB3pIlaQ5bB4LwqSj6GIonVJXpZiaKNyaKk=
go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
go.opencensus.io v0.21.0 h1:mU6zScU4U1YAFPHEHYk+3JC4SY7JxgkqS10ZOSyksNg=
go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
go.opencensus.io v0.22.0 h1:C9hSCOW830chIVkdja34wa6Ky+IzWllkUinR+BtRZd4=
go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=

12
scripts/build
View File

@ -48,6 +48,16 @@ rm -f \
bin/crictl \
bin/ctr
INSTALLBIN=$(pwd)/bin
(
echo Building cni
WORKDIR=$(go env GOPATH)/src/github.com/containernetworking/plugins
[ -d $WORKDIR ] || git clone https://github.com/rancher/plugins.git $WORKDIR
cd $WORKDIR
git fetch -f
git checkout $VERSION_CNIPLUGINS
CGO_ENABLED=0 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC" -o $INSTALLBIN/cni
)
# echo Building agent
# CGO_ENABLED=1 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC" -o bin/k3s-agent ./cmd/agent/main.go
echo Building server
@ -63,8 +73,6 @@ CGO_ENABLED=1 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC_SQLITE" -o bin/h
#CGO_ENABLED=1 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC_SQLITE" -o bin/ctr ./cmd/ctr/main.go
# echo Building containerd
# CGO_ENABLED=0 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC" -o bin/containerd ./cmd/containerd/
echo Building cni
CGO_ENABLED=0 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC" -o bin/cni ./cmd/cni/main.go
echo Building runc
make EXTRA_LDFLAGS="-w -s" BUILDTAGS="apparmor seccomp" -C ./vendor/github.com/opencontainers/runc static
cp -f ./vendor/github.com/opencontainers/runc/runc ./bin/runc

2
scripts/version.sh
View File

@ -26,3 +26,5 @@ fi
if [ -z "$VERSION_CRICTL" ]; then
VERSION_CRICTL="v0.0.0"
fi
VERSION_CNIPLUGINS="v0.7.6-k3s1"

913
vendor/github.com/Microsoft/go-winio/pkg/etw/mksyscall_windows.go generated vendored
View File

@ -1,913 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
/*
mksyscall_windows generates windows system call bodies
It parses all files specified on command line containing function
prototypes (like syscall_windows.go) and prints system call bodies
to standard output.
The prototypes are marked by lines beginning with "//sys" and read
like func declarations if //sys is replaced by func, but:
* The parameter lists must give a name for each argument. This
includes return parameters.
* The parameter lists must give a type for each argument:
the (x, y, z int) shorthand is not allowed.
* If the return parameter is an error number, it must be named err.
* If go func name needs to be different from its winapi dll name,
the winapi name could be specified at the end, after "=" sign, like
//sys LoadLibrary(libname string) (handle uint32, err error) = LoadLibraryA
* Each function that returns err needs to supply a condition, that
return value of winapi will be tested against to detect failure.
This would set err to windows "last-error", otherwise it will be nil.
The value can be provided at end of //sys declaration, like
//sys LoadLibrary(libname string) (handle uint32, err error) [failretval==-1] = LoadLibraryA
and is [failretval==0] by default.
Usage:
mksyscall_windows [flags] [path ...]
The flags are:
-output
Specify output file name (outputs to console if blank).
-trace
Generate print statement after every syscall.
*/
package main
import (
"bufio"
"bytes"
"errors"
"flag"
"fmt"
"go/format"
"go/parser"
"go/token"
"io"
"io/ioutil"
"log"
"os"
"path/filepath"
"runtime"
"sort"
"strconv"
"strings"
"text/template"
)
var (
filename = flag.String("output", "", "output file name (standard output if omitted)")
printTraceFlag = flag.Bool("trace", false, "generate print statement after every syscall")
systemDLL = flag.Bool("systemdll", true, "whether all DLLs should be loaded from the Windows system directory")
)
func trim(s string) string {
return strings.Trim(s, " \t")
}
var packageName string
func packagename() string {
return packageName
}
func syscalldot() string {
if packageName == "syscall" {
return ""
}
return "syscall."
}
// Param is function parameter
type Param struct {
Name string
Type string
fn *Fn
tmpVarIdx int
}
// tmpVar returns temp variable name that will be used to represent p during syscall.
func (p *Param) tmpVar() string {
if p.tmpVarIdx < 0 {
p.tmpVarIdx = p.fn.curTmpVarIdx
p.fn.curTmpVarIdx++
}
return fmt.Sprintf("_p%d", p.tmpVarIdx)
}
// BoolTmpVarCode returns source code for bool temp variable.
func (p *Param) BoolTmpVarCode() string {
const code = `var %s uint32
if %s {
%s = 1
} else {
%s = 0
}`
tmp := p.tmpVar()
return fmt.Sprintf(code, tmp, p.Name, tmp, tmp)
}
// SliceTmpVarCode returns source code for slice temp variable.
func (p *Param) SliceTmpVarCode() string {
const code = `var %s *%s
if len(%s) > 0 {
%s = &%s[0]
}`
tmp := p.tmpVar()
return fmt.Sprintf(code, tmp, p.Type[2:], p.Name, tmp, p.Name)
}
// StringTmpVarCode returns source code for string temp variable.
func (p *Param) StringTmpVarCode() string {
errvar := p.fn.Rets.ErrorVarName()
if errvar == "" {
errvar = "_"
}
tmp := p.tmpVar()
const code = `var %s %s
%s, %s = %s(%s)`
s := fmt.Sprintf(code, tmp, p.fn.StrconvType(), tmp, errvar, p.fn.StrconvFunc(), p.Name)
if errvar == "-" {
return s
}
const morecode = `
if %s != nil {
return
}`
return s + fmt.Sprintf(morecode, errvar)
}
// TmpVarCode returns source code for temp variable.
func (p *Param) TmpVarCode() string {
switch {
case p.Type == "bool":
return p.BoolTmpVarCode()
case strings.HasPrefix(p.Type, "[]"):
return p.SliceTmpVarCode()
default:
return ""
}
}
// TmpVarHelperCode returns source code for helper's temp variable.
func (p *Param) TmpVarHelperCode() string {
if p.Type != "string" {
return ""
}
return p.StringTmpVarCode()
}
// SyscallArgList returns source code fragments representing p parameter
// in syscall. Slices are translated into 2 syscall parameters: pointer to
// the first element and length.
func (p *Param) SyscallArgList() []string {
t := p.HelperType()
var s string
switch {
case t[0] == '*':
s = fmt.Sprintf("unsafe.Pointer(%s)", p.Name)
case t == "bool":
s = p.tmpVar()
case strings.HasPrefix(t, "[]"):
return []string{
fmt.Sprintf("uintptr(unsafe.Pointer(%s))", p.tmpVar()),
fmt.Sprintf("uintptr(len(%s))", p.Name),
}
default:
s = p.Name
}
return []string{fmt.Sprintf("uintptr(%s)", s)}
}
// IsError determines if p parameter is used to return error.
func (p *Param) IsError() bool {
return p.Name == "err" && p.Type == "error"
}
// HelperType returns type of parameter p used in helper function.
func (p *Param) HelperType() string {
if p.Type == "string" {
return p.fn.StrconvType()
}
return p.Type
}
// join concatenates parameters ps into a string with sep separator.
// Each parameter is converted into string by applying fn to it
// before conversion.
func join(ps []*Param, fn func(*Param) string, sep string) string {
if len(ps) == 0 {
return ""
}
a := make([]string, 0)
for _, p := range ps {
a = append(a, fn(p))
}
return strings.Join(a, sep)
}
// Rets describes function return parameters.
type Rets struct {
Name string
Type string
ReturnsError bool
FailCond string
}
// ErrorVarName returns error variable name for r.
func (r *Rets) ErrorVarName() string {
if r.ReturnsError {
return "err"
}
if r.Type == "error" {
return r.Name
}
return ""
}
// ToParams converts r into slice of *Param.
func (r *Rets) ToParams() []*Param {
ps := make([]*Param, 0)
if len(r.Name) > 0 {
ps = append(ps, &Param{Name: r.Name, Type: r.Type})
}
if r.ReturnsError {
ps = append(ps, &Param{Name: "err", Type: "error"})
}
return ps
}
// List returns source code of syscall return parameters.
func (r *Rets) List() string {
s := join(r.ToParams(), func(p *Param) string { return p.Name + " " + p.Type }, ", ")
if len(s) > 0 {
s = "(" + s + ")"
}
return s
}
// PrintList returns source code of trace printing part correspondent
// to syscall return values.
func (r *Rets) PrintList() string {
return join(r.ToParams(), func(p *Param) string { return fmt.Sprintf(`"%s=", %s, `, p.Name, p.Name) }, `", ", `)
}
// SetReturnValuesCode returns source code that accepts syscall return values.
func (r *Rets) SetReturnValuesCode() string {
if r.Name == "" && !r.ReturnsError {
return ""
}
retvar := "r0"
if r.Name == "" {
retvar = "r1"
}
errvar := "_"
if r.ReturnsError {
errvar = "e1"
}
return fmt.Sprintf("%s, _, %s := ", retvar, errvar)
}
func (r *Rets) useLongHandleErrorCode(retvar string) string {
const code = `if %s {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = %sEINVAL
}
}`
cond := retvar + " == 0"
if r.FailCond != "" {
cond = strings.Replace(r.FailCond, "failretval", retvar, 1)
}
return fmt.Sprintf(code, cond, syscalldot())
}
// SetErrorCode returns source code that sets return parameters.
func (r *Rets) SetErrorCode() string {
const code = `if r0 != 0 {
%s = %sErrno(r0)
}`
if r.Name == "" && !r.ReturnsError {
return ""
}
if r.Name == "" {
return r.useLongHandleErrorCode("r1")
}
if r.Type == "error" {
return fmt.Sprintf(code, r.Name, syscalldot())
}
s := ""
switch {
case r.Type[0] == '*':
s = fmt.Sprintf("%s = (%s)(unsafe.Pointer(r0))", r.Name, r.Type)
case r.Type == "bool":
s = fmt.Sprintf("%s = r0 != 0", r.Name)
default:
s = fmt.Sprintf("%s = %s(r0)", r.Name, r.Type)
}
if !r.ReturnsError {
return s
}
return s + "\n\t" + r.useLongHandleErrorCode(r.Name)
}
// Fn describes syscall function.
type Fn struct {
Name string
Params []*Param
Rets *Rets
PrintTrace bool
dllname string
dllfuncname string
src string
// TODO: get rid of this field and just use parameter index instead
curTmpVarIdx int // insure tmp variables have uniq names
}
// extractParams parses s to extract function parameters.
func extractParams(s string, f *Fn) ([]*Param, error) {
s = trim(s)
if s == "" {
return nil, nil
}
a := strings.Split(s, ",")
ps := make([]*Param, len(a))
for i := range ps {
s2 := trim(a[i])
b := strings.Split(s2, " ")
if len(b) != 2 {
b = strings.Split(s2, "\t")
if len(b) != 2 {
return nil, errors.New("Could not extract function parameter from \"" + s2 + "\"")
}
}
ps[i] = &Param{
Name: trim(b[0]),
Type: trim(b[1]),
fn: f,
tmpVarIdx: -1,
}
}
return ps, nil
}
// extractSection extracts text out of string s starting after start
// and ending just before end. found return value will indicate success,
// and prefix, body and suffix will contain correspondent parts of string s.
func extractSection(s string, start, end rune) (prefix, body, suffix string, found bool) {
s = trim(s)
if strings.HasPrefix(s, string(start)) {
// no prefix
body = s[1:]
} else {
a := strings.SplitN(s, string(start), 2)
if len(a) != 2 {
return "", "", s, false
}
prefix = a[0]
body = a[1]
}
a := strings.SplitN(body, string(end), 2)
if len(a) != 2 {
return "", "", "", false
}
return prefix, a[0], a[1], true
}
// newFn parses string s and return created function Fn.
func newFn(s string) (*Fn, error) {
s = trim(s)
f := &Fn{
Rets: &Rets{},
src: s,
PrintTrace: *printTraceFlag,
}
// function name and args
prefix, body, s, found := extractSection(s, '(', ')')
if !found || prefix == "" {
return nil, errors.New("Could not extract function name and parameters from \"" + f.src + "\"")
}
f.Name = prefix
var err error
f.Params, err = extractParams(body, f)
if err != nil {
return nil, err
}
// return values
_, body, s, found = extractSection(s, '(', ')')
if found {
r, err := extractParams(body, f)
if err != nil {
return nil, err
}
switch len(r) {
case 0:
case 1:
if r[0].IsError() {
f.Rets.ReturnsError = true
} else {
f.Rets.Name = r[0].Name
f.Rets.Type = r[0].Type
}
case 2:
if !r[1].IsError() {
return nil, errors.New("Only last windows error is allowed as second return value in \"" + f.src + "\"")
}
f.Rets.ReturnsError = true
f.Rets.Name = r[0].Name
f.Rets.Type = r[0].Type
default:
return nil, errors.New("Too many return values in \"" + f.src + "\"")
}
}
// fail condition
_, body, s, found = extractSection(s, '[', ']')
if found {
f.Rets.FailCond = body
}
// dll and dll function names
s = trim(s)
if s == "" {
return f, nil
}
if !strings.HasPrefix(s, "=") {
return nil, errors.New("Could not extract dll name from \"" + f.src + "\"")
}
s = trim(s[1:])
a := strings.Split(s, ".")
switch len(a) {
case 1:
f.dllfuncname = a[0]
case 2:
f.dllname = a[0]
f.dllfuncname = a[1]
default:
return nil, errors.New("Could not extract dll name from \"" + f.src + "\"")
}
return f, nil
}
// DLLName returns DLL name for function f.
func (f *Fn) DLLName() string {
if f.dllname == "" {
return "kernel32"
}
return f.dllname
}
// DLLName returns DLL function name for function f.
func (f *Fn) DLLFuncName() string {
if f.dllfuncname == "" {
return f.Name
}
return f.dllfuncname
}
// ParamList returns source code for function f parameters.
func (f *Fn) ParamList() string {
return join(f.Params, func(p *Param) string { return p.Name + " " + p.Type }, ", ")
}
// HelperParamList returns source code for helper function f parameters.
func (f *Fn) HelperParamList() string {
return join(f.Params, func(p *Param) string { return p.Name + " " + p.HelperType() }, ", ")
}
// ParamPrintList returns source code of trace printing part correspondent
// to syscall input parameters.
func (f *Fn) ParamPrintList() string {
return join(f.Params, func(p *Param) string { return fmt.Sprintf(`"%s=", %s, `, p.Name, p.Name) }, `", ", `)
}
// ParamCount return number of syscall parameters for function f.
func (f *Fn) ParamCount() int {
n := 0
for _, p := range f.Params {
n += len(p.SyscallArgList())
}
return n
}
// SyscallParamCount determines which version of Syscall/Syscall6/Syscall9/...
// to use. It returns parameter count for correspondent SyscallX function.
func (f *Fn) SyscallParamCount() int {
n := f.ParamCount()
switch {
case n <= 3:
return 3
case n <= 6:
return 6
case n <= 9:
return 9
case n <= 12:
return 12
case n <= 15:
return 15
default:
panic("too many arguments to system call")
}
}
// Syscall determines which SyscallX function to use for function f.
func (f *Fn) Syscall() string {
c := f.SyscallParamCount()
if c == 3 {
return syscalldot() + "Syscall"
}
return syscalldot() + "Syscall" + strconv.Itoa(c)
}
// SyscallParamList returns source code for SyscallX parameters for function f.
func (f *Fn) SyscallParamList() string {
a := make([]string, 0)
for _, p := range f.Params {
a = append(a, p.SyscallArgList()...)
}
for len(a) < f.SyscallParamCount() {
a = append(a, "0")
}
return strings.Join(a, ", ")
}
// HelperCallParamList returns source code of call into function f helper.
func (f *Fn) HelperCallParamList() string {
a := make([]string, 0, len(f.Params))
for _, p := range f.Params {
s := p.Name
if p.Type == "string" {
s = p.tmpVar()
}
a = append(a, s)
}
return strings.Join(a, ", ")
}
// IsUTF16 is true, if f is W (utf16) function. It is false
// for all A (ascii) functions.
func (f *Fn) IsUTF16() bool {
s := f.DLLFuncName()
return s[len(s)-1] == 'W'
}
// StrconvFunc returns name of Go string to OS string function for f.
func (f *Fn) StrconvFunc() string {
if f.IsUTF16() {
return syscalldot() + "UTF16PtrFromString"
}
return syscalldot() + "BytePtrFromString"
}
// StrconvType returns Go type name used for OS string for f.
func (f *Fn) StrconvType() string {
if f.IsUTF16() {
return "*uint16"
}
return "*byte"
}
// HasStringParam is true, if f has at least one string parameter.
// Otherwise it is false.
func (f *Fn) HasStringParam() bool {
for _, p := range f.Params {
if p.Type == "string" {
return true
}
}
return false
}
// HelperName returns name of function f helper.
func (f *Fn) HelperName() string {
if !f.HasStringParam() {
return f.Name
}
return "_" + f.Name
}
// Source files and functions.
type Source struct {
Funcs []*Fn
Files []string
StdLibImports []string
ExternalImports []string
}
func (src *Source) FuncImports() []*Fn {
uniq := make(map[string]bool)
r := make([]*Fn, 0)
for _, f := range src.Funcs {
name := f.DLLFuncName()
if _, found := uniq[name]; !found {
uniq[name] = true
r = append(r, f)
}
}
return r
}
func (src *Source) Import(pkg string) {
src.StdLibImports = append(src.StdLibImports, pkg)
sort.Strings(src.StdLibImports)
}
func (src *Source) ExternalImport(pkg string) {
src.ExternalImports = append(src.ExternalImports, pkg)
sort.Strings(src.ExternalImports)
}
// ParseFiles parses files listed in fs and extracts all syscall
// functions listed in sys comments. It returns source files
// and functions collection *Source if successful.
func ParseFiles(fs []string) (*Source, error) {
src := &Source{
Funcs: make([]*Fn, 0),
Files: make([]string, 0),
StdLibImports: []string{
"unsafe",
},
ExternalImports: make([]string, 0),
}
for _, file := range fs {
if err := src.ParseFile(file); err != nil {
return nil, err
}
}
return src, nil
}
// DLLs return dll names for a source set src.
func (src *Source) DLLs() []string {
uniq := make(map[string]bool)
r := make([]string, 0)
for _, f := range src.Funcs {
name := f.DLLName()
if _, found := uniq[name]; !found {
uniq[name] = true
r = append(r, name)
}
}
return r
}
// ParseFile adds additional file path to a source set src.
func (src *Source) ParseFile(path string) error {
file, err := os.Open(path)
if err != nil {
return err
}
defer file.Close()
s := bufio.NewScanner(file)
for s.Scan() {
t := trim(s.Text())
if len(t) < 7 {
continue
}
if !strings.HasPrefix(t, "//sys") {
continue
}
t = t[5:]
if !(t[0] == ' ' || t[0] == '\t') {
continue
}
f, err := newFn(t[1:])
if err != nil {
return err
}
src.Funcs = append(src.Funcs, f)
}
if err := s.Err(); err != nil {
return err
}
src.Files = append(src.Files, path)
// get package name
fset := token.NewFileSet()
_, err = file.Seek(0, 0)
if err != nil {
return err
}
pkg, err := parser.ParseFile(fset, "", file, parser.PackageClauseOnly)
if err != nil {
return err
}
packageName = pkg.Name.Name
return nil
}
// IsStdRepo reports whether src is part of standard library.
func (src *Source) IsStdRepo() (bool, error) {
if len(src.Files) == 0 {
return false, errors.New("no input files provided")
}
abspath, err := filepath.Abs(src.Files[0])
if err != nil {
return false, err
}
goroot := runtime.GOROOT()
if runtime.GOOS == "windows" {
abspath = strings.ToLower(abspath)
goroot = strings.ToLower(goroot)
}
sep := string(os.PathSeparator)
if !strings.HasSuffix(goroot, sep) {
goroot += sep
}
return strings.HasPrefix(abspath, goroot), nil
}
// Generate output source file from a source set src.
func (src *Source) Generate(w io.Writer) error {
const (
pkgStd = iota // any package in std library
pkgXSysWindows // x/sys/windows package
pkgOther
)
isStdRepo, err := src.IsStdRepo()
if err != nil {
return err
}
var pkgtype int
switch {
case isStdRepo:
pkgtype = pkgStd
case packageName == "windows":
// TODO: this needs better logic than just using package name
pkgtype = pkgXSysWindows
default:
pkgtype = pkgOther
}
if *systemDLL {
switch pkgtype {
case pkgStd:
src.Import("internal/syscall/windows/sysdll")
case pkgXSysWindows:
default:
src.ExternalImport("golang.org/x/sys/windows")
}
}
if packageName != "syscall" {
src.Import("syscall")
}
funcMap := template.FuncMap{
"packagename": packagename,
"syscalldot": syscalldot,
"newlazydll": func(dll string) string {
arg := "\"" + dll + ".dll\""
if !*systemDLL {
return syscalldot() + "NewLazyDLL(" + arg + ")"
}
switch pkgtype {
case pkgStd:
return syscalldot() + "NewLazyDLL(sysdll.Add(" + arg + "))"
case pkgXSysWindows:
return "NewLazySystemDLL(" + arg + ")"
default:
return "windows.NewLazySystemDLL(" + arg + ")"
}
},
}
t := template.Must(template.New("main").Funcs(funcMap).Parse(srcTemplate))
err = t.Execute(w, src)
if err != nil {
return errors.New("Failed to execute template: " + err.Error())
}
return nil
}
func usage() {
fmt.Fprintf(os.Stderr, "usage: mksyscall_windows [flags] [path ...]\n")
flag.PrintDefaults()
os.Exit(1)
}
func main() {
flag.Usage = usage
flag.Parse()
if len(flag.Args()) <= 0 {
fmt.Fprintf(os.Stderr, "no files to parse provided\n")
usage()
}
src, err := ParseFiles(flag.Args())
if err != nil {
log.Fatal(err)
}
var buf bytes.Buffer
if err := src.Generate(&buf); err != nil {
log.Fatal(err)
}
data, err := format.Source(buf.Bytes())
if err != nil {
log.Fatal(err)
}
if *filename == "" {
_, err = os.Stdout.Write(data)
} else {
err = ioutil.WriteFile(*filename, data, 0644)
}
if err != nil {
log.Fatal(err)
}
}
// TODO: use println instead to print in the following template
const srcTemplate = `
{{define "main"}}// Code generated by 'go generate'; DO NOT EDIT.
package {{packagename}}
import (
{{range .StdLibImports}}"{{.}}"
{{end}}
{{range .ExternalImports}}"{{.}}"
{{end}}
)
var _ unsafe.Pointer
// Do the interface allocations only once for common
// Errno values.
const (
errnoERROR_IO_PENDING = 997
)
var (
errERROR_IO_PENDING error = {{syscalldot}}Errno(errnoERROR_IO_PENDING)
)
// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e {{syscalldot}}Errno) error {
switch e {
case 0:
return nil
case errnoERROR_IO_PENDING:
return errERROR_IO_PENDING
}
// TODO: add more here, after collecting data on the common
// error values see on Windows. (perhaps when running
// all.bat?)
return e
}
var (
{{template "dlls" .}}
{{template "funcnames" .}})
{{range .Funcs}}{{if .HasStringParam}}{{template "helperbody" .}}{{end}}{{template "funcbody" .}}{{end}}
{{end}}
{{/* help functions */}}
{{define "dlls"}}{{range .DLLs}} mod{{.}} = {{newlazydll .}}
{{end}}{{end}}
{{define "funcnames"}}{{range .FuncImports}} proc{{.DLLFuncName}} = mod{{.DLLName}}.NewProc("{{.DLLFuncName}}")
{{end}}{{end}}
{{define "helperbody"}}
func {{.Name}}({{.ParamList}}) {{template "results" .}}{
{{template "helpertmpvars" .}} return {{.HelperName}}({{.HelperCallParamList}})
}
{{end}}
{{define "funcbody"}}
func {{.HelperName}}({{.HelperParamList}}) {{template "results" .}}{
{{template "tmpvars" .}} {{template "syscall" .}}
{{template "seterror" .}}{{template "printtrace" .}} return
}
{{end}}
{{define "helpertmpvars"}}{{range .Params}}{{if .TmpVarHelperCode}} {{.TmpVarHelperCode}}
{{end}}{{end}}{{end}}
{{define "tmpvars"}}{{range .Params}}{{if .TmpVarCode}} {{.TmpVarCode}}
{{end}}{{end}}{{end}}
{{define "results"}}{{if .Rets.List}}{{.Rets.List}} {{end}}{{end}}
{{define "syscall"}}{{.Rets.SetReturnValuesCode}}{{.Syscall}}(proc{{.DLLFuncName}}.Addr(), {{.ParamCount}}, {{.SyscallParamList}}){{end}}
{{define "seterror"}}{{if .Rets.SetErrorCode}} {{.Rets.SetErrorCode}}
{{end}}{{end}}
{{define "printtrace"}}{{if .PrintTrace}} print("SYSCALL: {{.Name}}(", {{.ParamPrintList}}") (", {{.Rets.PrintList}}")\n")
{{end}}{{end}}
`

943
vendor/github.com/Microsoft/hcsshim/mksyscall_windows.go generated vendored
View File

@ -1,943 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
/*
mksyscall_windows generates windows system call bodies
It parses all files specified on command line containing function
prototypes (like syscall_windows.go) and prints system call bodies
to standard output.
The prototypes are marked by lines beginning with "//sys" and read
like func declarations if //sys is replaced by func, but:
* The parameter lists must give a name for each argument. This
includes return parameters.
* The parameter lists must give a type for each argument:
the (x, y, z int) shorthand is not allowed.
* If the return parameter is an error number, it must be named err.
* If go func name needs to be different from it's winapi dll name,
the winapi name could be specified at the end, after "=" sign, like
//sys LoadLibrary(libname string) (handle uint32, err error) = LoadLibraryA
* Each function that returns err needs to supply a condition, that
return value of winapi will be tested against to detect failure.
This would set err to windows "last-error", otherwise it will be nil.
The value can be provided at end of //sys declaration, like
//sys LoadLibrary(libname string) (handle uint32, err error) [failretval==-1] = LoadLibraryA
and is [failretval==0] by default.
Usage:
mksyscall_windows [flags] [path ...]
The flags are:
-output
Specify output file name (outputs to console if blank).
-trace
Generate print statement after every syscall.
*/
package main
import (
"bufio"
"bytes"
"errors"
"flag"
"fmt"
"go/format"
"go/parser"
"go/token"
"io"
"io/ioutil"
"log"
"os"
"path/filepath"
"runtime"
"sort"
"strconv"
"strings"
"text/template"
)
var (
filename = flag.String("output", "", "output file name (standard output if omitted)")
printTraceFlag = flag.Bool("trace", false, "generate print statement after every syscall")
systemDLL = flag.Bool("systemdll", true, "whether all DLLs should be loaded from the Windows system directory")
winio = flag.Bool("winio", false, "import go-winio")
)
func trim(s string) string {
return strings.Trim(s, " \t")
}
var packageName string
func packagename() string {
return packageName
}
func syscalldot() string {
if packageName == "syscall" {
return ""
}
return "syscall."
}
// Param is function parameter
type Param struct {
Name string
Type string
fn *Fn
tmpVarIdx int
}
// tmpVar returns temp variable name that will be used to represent p during syscall.
func (p *Param) tmpVar() string {
if p.tmpVarIdx < 0 {
p.tmpVarIdx = p.fn.curTmpVarIdx
p.fn.curTmpVarIdx++
}
return fmt.Sprintf("_p%d", p.tmpVarIdx)
}
// BoolTmpVarCode returns source code for bool temp variable.
func (p *Param) BoolTmpVarCode() string {
const code = `var %s uint32
if %s {
%s = 1
} else {
%s = 0
}`
tmp := p.tmpVar()
return fmt.Sprintf(code, tmp, p.Name, tmp, tmp)
}
// SliceTmpVarCode returns source code for slice temp variable.
func (p *Param) SliceTmpVarCode() string {
const code = `var %s *%s
if len(%s) > 0 {
%s = &%s[0]
}`
tmp := p.tmpVar()
return fmt.Sprintf(code, tmp, p.Type[2:], p.Name, tmp, p.Name)
}
// StringTmpVarCode returns source code for string temp variable.
func (p *Param) StringTmpVarCode() string {
errvar := p.fn.Rets.ErrorVarName()
if errvar == "" {
errvar = "_"
}
tmp := p.tmpVar()
const code = `var %s %s
%s, %s = %s(%s)`
s := fmt.Sprintf(code, tmp, p.fn.StrconvType(), tmp, errvar, p.fn.StrconvFunc(), p.Name)
if errvar == "-" {
return s
}
const morecode = `
if %s != nil {
return
}`
return s + fmt.Sprintf(morecode, errvar)
}
// TmpVarCode returns source code for temp variable.
func (p *Param) TmpVarCode() string {
switch {
case p.Type == "bool":
return p.BoolTmpVarCode()
case strings.HasPrefix(p.Type, "[]"):
return p.SliceTmpVarCode()
default:
return ""
}
}
// TmpVarHelperCode returns source code for helper's temp variable.
func (p *Param) TmpVarHelperCode() string {
if p.Type != "string" {
return ""
}
return p.StringTmpVarCode()
}
// SyscallArgList returns source code fragments representing p parameter
// in syscall. Slices are translated into 2 syscall parameters: pointer to
// the first element and length.
func (p *Param) SyscallArgList() []string {
t := p.HelperType()
var s string
switch {
case t[0] == '*':
s = fmt.Sprintf("unsafe.Pointer(%s)", p.Name)
case t == "bool":
s = p.tmpVar()
case strings.HasPrefix(t, "[]"):
return []string{
fmt.Sprintf("uintptr(unsafe.Pointer(%s))", p.tmpVar()),
fmt.Sprintf("uintptr(len(%s))", p.Name),
}
default:
s = p.Name
}
return []string{fmt.Sprintf("uintptr(%s)", s)}
}
// IsError determines if p parameter is used to return error.
func (p *Param) IsError() bool {
return p.Name == "err" && p.Type == "error"
}
// HelperType returns type of parameter p used in helper function.
func (p *Param) HelperType() string {
if p.Type == "string" {
return p.fn.StrconvType()
}
return p.Type
}
// join concatenates parameters ps into a string with sep separator.
// Each parameter is converted into string by applying fn to it
// before conversion.
func join(ps []*Param, fn func(*Param) string, sep string) string {
if len(ps) == 0 {
return ""
}
a := make([]string, 0)
for _, p := range ps {
a = append(a, fn(p))
}
return strings.Join(a, sep)
}
// Rets describes function return parameters.
type Rets struct {
Name string
Type string
ReturnsError bool
FailCond string
}
// ErrorVarName returns error variable name for r.
func (r *Rets) ErrorVarName() string {
if r.ReturnsError {
return "err"
}
if r.Type == "error" {
return r.Name
}
return ""
}
// ToParams converts r into slice of *Param.
func (r *Rets) ToParams() []*Param {
ps := make([]*Param, 0)
if len(r.Name) > 0 {
ps = append(ps, &Param{Name: r.Name, Type: r.Type})
}
if r.ReturnsError {
ps = append(ps, &Param{Name: "err", Type: "error"})
}
return ps
}
// List returns source code of syscall return parameters.
func (r *Rets) List() string {
s := join(r.ToParams(), func(p *Param) string { return p.Name + " " + p.Type }, ", ")
if len(s) > 0 {
s = "(" + s + ")"
}
return s
}
// PrintList returns source code of trace printing part correspondent
// to syscall return values.
func (r *Rets) PrintList() string {
return join(r.ToParams(), func(p *Param) string { return fmt.Sprintf(`"%s=", %s, `, p.Name, p.Name) }, `", ", `)
}
// SetReturnValuesCode returns source code that accepts syscall return values.
func (r *Rets) SetReturnValuesCode() string {
if r.Name == "" && !r.ReturnsError {
return ""
}
retvar := "r0"
if r.Name == "" {
retvar = "r1"
}
errvar := "_"
if r.ReturnsError {
errvar = "e1"
}
return fmt.Sprintf("%s, _, %s := ", retvar, errvar)
}
func (r *Rets) useLongHandleErrorCode(retvar string) string {
const code = `if %s {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = %sEINVAL
}
}`
cond := retvar + " == 0"
if r.FailCond != "" {
cond = strings.Replace(r.FailCond, "failretval", retvar, 1)
}
return fmt.Sprintf(code, cond, syscalldot())
}
// SetErrorCode returns source code that sets return parameters.
func (r *Rets) SetErrorCode() string {
const code = `if r0 != 0 {
%s = %sErrno(r0)
}`
const hrCode = `if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
%s = %sErrno(r0)
}`
if r.Name == "" && !r.ReturnsError {
return ""
}
if r.Name == "" {
return r.useLongHandleErrorCode("r1")
}
if r.Type == "error" {
if r.Name == "hr" {
return fmt.Sprintf(hrCode, r.Name, syscalldot())
} else {
return fmt.Sprintf(code, r.Name, syscalldot())
}
}
s := ""
switch {
case r.Type[0] == '*':
s = fmt.Sprintf("%s = (%s)(unsafe.Pointer(r0))", r.Name, r.Type)
case r.Type == "bool":
s = fmt.Sprintf("%s = r0 != 0", r.Name)
default:
s = fmt.Sprintf("%s = %s(r0)", r.Name, r.Type)
}
if !r.ReturnsError {
return s
}
return s + "\n\t" + r.useLongHandleErrorCode(r.Name)
}
// Fn describes syscall function.
type Fn struct {
Name string
Params []*Param
Rets *Rets
PrintTrace bool
confirmproc bool
dllname string
dllfuncname string
src string
// TODO: get rid of this field and just use parameter index instead
curTmpVarIdx int // insure tmp variables have uniq names
}
// extractParams parses s to extract function parameters.
func extractParams(s string, f *Fn) ([]*Param, error) {
s = trim(s)
if s == "" {
return nil, nil
}
a := strings.Split(s, ",")
ps := make([]*Param, len(a))
for i := range ps {
s2 := trim(a[i])
b := strings.Split(s2, " ")
if len(b) != 2 {
b = strings.Split(s2, "\t")
if len(b) != 2 {
return nil, errors.New("Could not extract function parameter from \"" + s2 + "\"")
}
}
ps[i] = &Param{
Name: trim(b[0]),
Type: trim(b[1]),
fn: f,
tmpVarIdx: -1,
}
}
return ps, nil
}
// extractSection extracts text out of string s starting after start
// and ending just before end. found return value will indicate success,
// and prefix, body and suffix will contain correspondent parts of string s.
func extractSection(s string, start, end rune) (prefix, body, suffix string, found bool) {
s = trim(s)
if strings.HasPrefix(s, string(start)) {
// no prefix
body = s[1:]
} else {
a := strings.SplitN(s, string(start), 2)
if len(a) != 2 {
return "", "", s, false
}
prefix = a[0]
body = a[1]
}
a := strings.SplitN(body, string(end), 2)
if len(a) != 2 {
return "", "", "", false
}
return prefix, a[0], a[1], true
}
// newFn parses string s and return created function Fn.
func newFn(s string) (*Fn, error) {
s = trim(s)
f := &Fn{
Rets: &Rets{},
src: s,
PrintTrace: *printTraceFlag,
}
// function name and args
prefix, body, s, found := extractSection(s, '(', ')')
if !found || prefix == "" {
return nil, errors.New("Could not extract function name and parameters from \"" + f.src + "\"")
}
f.Name = prefix
var err error
f.Params, err = extractParams(body, f)
if err != nil {
return nil, err
}
// return values
_, body, s, found = extractSection(s, '(', ')')
if found {
r, err := extractParams(body, f)
if err != nil {
return nil, err
}
switch len(r) {
case 0:
case 1:
if r[0].IsError() {
f.Rets.ReturnsError = true
} else {
f.Rets.Name = r[0].Name
f.Rets.Type = r[0].Type
}
case 2:
if !r[1].IsError() {
return nil, errors.New("Only last windows error is allowed as second return value in \"" + f.src + "\"")
}
f.Rets.ReturnsError = true
f.Rets.Name = r[0].Name
f.Rets.Type = r[0].Type
default:
return nil, errors.New("Too many return values in \"" + f.src + "\"")
}
}
// fail condition
_, body, s, found = extractSection(s, '[', ']')
if found {
f.Rets.FailCond = body
}
// dll and dll function names
s = trim(s)
if s == "" {
return f, nil
}
if !strings.HasPrefix(s, "=") {
return nil, errors.New("Could not extract dll name from \"" + f.src + "\"")
}
s = trim(s[1:])
a := strings.Split(s, ".")
switch len(a) {
case 1:
f.dllfuncname = a[0]
case 2:
f.dllname = a[0]
f.dllfuncname = a[1]
default:
return nil, errors.New("Could not extract dll name from \"" + f.src + "\"")
}
if f.dllfuncname[len(f.dllfuncname)-1] == '?' {
f.confirmproc = true
f.dllfuncname = f.dllfuncname[0 : len(f.dllfuncname)-1]
}
return f, nil
}
// DLLName returns DLL name for function f.
func (f *Fn) DLLName() string {
if f.dllname == "" {
return "kernel32"
}
return f.dllname
}
// DLLName returns DLL function name for function f.
func (f *Fn) DLLFuncName() string {
if f.dllfuncname == "" {
return f.Name
}
return f.dllfuncname
}
func (f *Fn) ConfirmProc() bool {
return f.confirmproc
}
// ParamList returns source code for function f parameters.
func (f *Fn) ParamList() string {
return join(f.Params, func(p *Param) string { return p.Name + " " + p.Type }, ", ")
}
// HelperParamList returns source code for helper function f parameters.
func (f *Fn) HelperParamList() string {
return join(f.Params, func(p *Param) string { return p.Name + " " + p.HelperType() }, ", ")
}
// ParamPrintList returns source code of trace printing part correspondent
// to syscall input parameters.
func (f *Fn) ParamPrintList() string {
return join(f.Params, func(p *Param) string { return fmt.Sprintf(`"%s=", %s, `, p.Name, p.Name) }, `", ", `)
}
// ParamCount return number of syscall parameters for function f.
func (f *Fn) ParamCount() int {
n := 0
for _, p := range f.Params {
n += len(p.SyscallArgList())
}
return n
}
// SyscallParamCount determines which version of Syscall/Syscall6/Syscall9/...
// to use. It returns parameter count for correspondent SyscallX function.
func (f *Fn) SyscallParamCount() int {
n := f.ParamCount()
switch {
case n <= 3:
return 3
case n <= 6:
return 6
case n <= 9:
return 9
case n <= 12:
return 12
case n <= 15:
return 15
default:
panic("too many arguments to system call")
}
}
// Syscall determines which SyscallX function to use for function f.
func (f *Fn) Syscall() string {
c := f.SyscallParamCount()
if c == 3 {
return syscalldot() + "Syscall"
}
return syscalldot() + "Syscall" + strconv.Itoa(c)
}
// SyscallParamList returns source code for SyscallX parameters for function f.
func (f *Fn) SyscallParamList() string {
a := make([]string, 0)
for _, p := range f.Params {
a = append(a, p.SyscallArgList()...)
}
for len(a) < f.SyscallParamCount() {
a = append(a, "0")
}
return strings.Join(a, ", ")
}
// HelperCallParamList returns source code of call into function f helper.
func (f *Fn) HelperCallParamList() string {
a := make([]string, 0, len(f.Params))
for _, p := range f.Params {
s := p.Name
if p.Type == "string" {
s = p.tmpVar()
}
a = append(a, s)
}
return strings.Join(a, ", ")
}
// IsUTF16 is true, if f is W (utf16) function. It is false
// for all A (ascii) functions.
func (_ *Fn) IsUTF16() bool {
return true
}
// StrconvFunc returns name of Go string to OS string function for f.
func (f *Fn) StrconvFunc() string {
if f.IsUTF16() {
return syscalldot() + "UTF16PtrFromString"
}
return syscalldot() + "BytePtrFromString"
}
// StrconvType returns Go type name used for OS string for f.
func (f *Fn) StrconvType() string {
if f.IsUTF16() {
return "*uint16"
}
return "*byte"
}
// HasStringParam is true, if f has at least one string parameter.
// Otherwise it is false.
func (f *Fn) HasStringParam() bool {
for _, p := range f.Params {
if p.Type == "string" {
return true
}
}
return false
}
var uniqDllFuncName = make(map[string]bool)
// IsNotDuplicate is true if f is not a duplicated function
func (f *Fn) IsNotDuplicate() bool {
funcName := f.DLLFuncName()
if uniqDllFuncName[funcName] == false {
uniqDllFuncName[funcName] = true
return true
}
return false
}
// HelperName returns name of function f helper.
func (f *Fn) HelperName() string {
if !f.HasStringParam() {
return f.Name
}
return "_" + f.Name
}
// Source files and functions.
type Source struct {
Funcs []*Fn
Files []string
StdLibImports []string
ExternalImports []string
}
func (src *Source) Import(pkg string) {
src.StdLibImports = append(src.StdLibImports, pkg)
sort.Strings(src.StdLibImports)
}
func (src *Source) ExternalImport(pkg string) {
src.ExternalImports = append(src.ExternalImports, pkg)
sort.Strings(src.ExternalImports)
}
// ParseFiles parses files listed in fs and extracts all syscall
// functions listed in sys comments. It returns source files
// and functions collection *Source if successful.
func ParseFiles(fs []string) (*Source, error) {
src := &Source{
Funcs: make([]*Fn, 0),
Files: make([]string, 0),
StdLibImports: []string{
"unsafe",
},
ExternalImports: make([]string, 0),
}
for _, file := range fs {
if err := src.ParseFile(file); err != nil {
return nil, err
}
}
return src, nil
}
// DLLs return dll names for a source set src.
func (src *Source) DLLs() []string {
uniq := make(map[string]bool)
r := make([]string, 0)
for _, f := range src.Funcs {
name := f.DLLName()
if _, found := uniq[name]; !found {
uniq[name] = true
r = append(r, name)
}
}
return r
}
// ParseFile adds additional file path to a source set src.
func (src *Source) ParseFile(path string) error {
file, err := os.Open(path)
if err != nil {
return err
}
defer file.Close()
s := bufio.NewScanner(file)
for s.Scan() {
t := trim(s.Text())
if len(t) < 7 {
continue
}
if !strings.HasPrefix(t, "//sys") {
continue
}
t = t[5:]
if !(t[0] == ' ' || t[0] == '\t') {
continue
}
f, err := newFn(t[1:])
if err != nil {
return err
}
src.Funcs = append(src.Funcs, f)
}
if err := s.Err(); err != nil {
return err
}
src.Files = append(src.Files, path)
// get package name
fset := token.NewFileSet()
_, err = file.Seek(0, 0)
if err != nil {
return err
}
pkg, err := parser.ParseFile(fset, "", file, parser.PackageClauseOnly)
if err != nil {
return err
}
packageName = pkg.Name.Name
return nil
}
// IsStdRepo returns true if src is part of standard library.
func (src *Source) IsStdRepo() (bool, error) {
if len(src.Files) == 0 {
return false, errors.New("no input files provided")
}
abspath, err := filepath.Abs(src.Files[0])
if err != nil {
return false, err
}
goroot := runtime.GOROOT()
if runtime.GOOS == "windows" {
abspath = strings.ToLower(abspath)
goroot = strings.ToLower(goroot)
}
sep := string(os.PathSeparator)
if !strings.HasSuffix(goroot, sep) {
goroot += sep
}
return strings.HasPrefix(abspath, goroot), nil
}
// Generate output source file from a source set src.
func (src *Source) Generate(w io.Writer) error {
const (
pkgStd = iota // any package in std library
pkgXSysWindows // x/sys/windows package
pkgOther
)
isStdRepo, err := src.IsStdRepo()
if err != nil {
return err
}
var pkgtype int
switch {
case isStdRepo:
pkgtype = pkgStd
case packageName == "windows":
// TODO: this needs better logic than just using package name
pkgtype = pkgXSysWindows
default:
pkgtype = pkgOther
}
if *systemDLL {
switch pkgtype {
case pkgStd:
src.Import("internal/syscall/windows/sysdll")
case pkgXSysWindows:
default:
src.ExternalImport("golang.org/x/sys/windows")
}
}
if *winio {
src.ExternalImport("github.com/Microsoft/go-winio")
}
if packageName != "syscall" {
src.Import("syscall")
}
funcMap := template.FuncMap{
"packagename": packagename,
"syscalldot": syscalldot,
"newlazydll": func(dll string) string {
arg := "\"" + dll + ".dll\""
if !*systemDLL {
return syscalldot() + "NewLazyDLL(" + arg + ")"
}
if strings.HasPrefix(dll, "api_") || strings.HasPrefix(dll, "ext_") {
arg = strings.Replace(arg, "_", "-", -1)
}
switch pkgtype {
case pkgStd:
return syscalldot() + "NewLazyDLL(sysdll.Add(" + arg + "))"
case pkgXSysWindows:
return "NewLazySystemDLL(" + arg + ")"
default:
return "windows.NewLazySystemDLL(" + arg + ")"
}
},
}
t := template.Must(template.New("main").Funcs(funcMap).Parse(srcTemplate))
err = t.Execute(w, src)
if err != nil {
return errors.New("Failed to execute template: " + err.Error())
}
return nil
}
func usage() {
fmt.Fprintf(os.Stderr, "usage: mksyscall_windows [flags] [path ...]\n")
flag.PrintDefaults()
os.Exit(1)
}
func main() {
flag.Usage = usage
flag.Parse()
if len(flag.Args()) <= 0 {
fmt.Fprintf(os.Stderr, "no files to parse provided\n")
usage()
}
src, err := ParseFiles(flag.Args())
if err != nil {
log.Fatal(err)
}
var buf bytes.Buffer
if err := src.Generate(&buf); err != nil {
log.Fatal(err)
}
data, err := format.Source(buf.Bytes())
if err != nil {
log.Fatal(err)
}
if *filename == "" {
_, err = os.Stdout.Write(data)
} else {
err = ioutil.WriteFile(*filename, data, 0644)
}
if err != nil {
log.Fatal(err)
}
}
// TODO: use println instead to print in the following template
const srcTemplate = `
{{define "main"}}// Code generated mksyscall_windows.exe DO NOT EDIT
package {{packagename}}
import (
{{range .StdLibImports}}"{{.}}"
{{end}}
{{range .ExternalImports}}"{{.}}"
{{end}}
)
var _ unsafe.Pointer
// Do the interface allocations only once for common
// Errno values.
const (
errnoERROR_IO_PENDING = 997
)
var (
errERROR_IO_PENDING error = {{syscalldot}}Errno(errnoERROR_IO_PENDING)
)
// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e {{syscalldot}}Errno) error {
switch e {
case 0:
return nil
case errnoERROR_IO_PENDING:
return errERROR_IO_PENDING
}
// TODO: add more here, after collecting data on the common
// error values see on Windows. (perhaps when running
// all.bat?)
return e
}
var (
{{template "dlls" .}}
{{template "funcnames" .}})
{{range .Funcs}}{{if .HasStringParam}}{{template "helperbody" .}}{{end}}{{template "funcbody" .}}{{end}}
{{end}}
{{/* help functions */}}
{{define "dlls"}}{{range .DLLs}} mod{{.}} = {{newlazydll .}}
{{end}}{{end}}
{{define "funcnames"}}{{range .Funcs}}{{if .IsNotDuplicate}} proc{{.DLLFuncName}} = mod{{.DLLName}}.NewProc("{{.DLLFuncName}}"){{end}}
{{end}}{{end}}
{{define "helperbody"}}
func {{.Name}}({{.ParamList}}) {{template "results" .}}{
{{template "helpertmpvars" .}} return {{.HelperName}}({{.HelperCallParamList}})
}
{{end}}
{{define "funcbody"}}
func {{.HelperName}}({{.HelperParamList}}) {{template "results" .}}{
{{template "tmpvars" .}} {{template "syscallcheck" .}}{{template "syscall" .}}
{{template "seterror" .}}{{template "printtrace" .}} return
}
{{end}}
{{define "helpertmpvars"}}{{range .Params}}{{if .TmpVarHelperCode}} {{.TmpVarHelperCode}}
{{end}}{{end}}{{end}}
{{define "tmpvars"}}{{range .Params}}{{if .TmpVarCode}} {{.TmpVarCode}}
{{end}}{{end}}{{end}}
{{define "results"}}{{if .Rets.List}}{{.Rets.List}} {{end}}{{end}}
{{define "syscall"}}{{.Rets.SetReturnValuesCode}}{{.Syscall}}(proc{{.DLLFuncName}}.Addr(), {{.ParamCount}}, {{.SyscallParamList}}){{end}}
{{define "syscallcheck"}}{{if .ConfirmProc}}if {{.Rets.ErrorVarName}} = proc{{.DLLFuncName}}.Find(); {{.Rets.ErrorVarName}} != nil {
return
}
{{end}}{{end}}
{{define "seterror"}}{{if .Rets.SetErrorCode}} {{.Rets.SetErrorCode}}
{{end}}{{end}}
{{define "printtrace"}}{{if .PrintTrace}} print("SYSCALL: {{.Name}}(", {{.ParamPrintList}}") (", {{.Rets.PrintList}}")\n")
{{end}}{{end}}
`

21
vendor/github.com/alexflint/go-filemutex/LICENSE generated vendored
View File

@ -1,21 +0,0 @@
The MIT License
Copyright (c) 2010-2017 Alex Flint.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

31
vendor/github.com/alexflint/go-filemutex/README.md generated vendored
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@ -1,31 +0,0 @@
# FileMutex
FileMutex is similar to `sync.RWMutex`, but also synchronizes across processes.
On Linux, OSX, and other POSIX systems it uses the flock system call. On windows
it uses the LockFileEx and UnlockFileEx system calls.
```go
import (
"log"
"github.com/alexflint/go-filemutex"
)
func main() {
m, err := filemutex.New("/tmp/foo.lock")
if err != nil {
log.Fatalln("Directory did not exist or file could not created")
}
m.Lock() // Will block until lock can be acquired
// Code here is protected by the mutex
m.Unlock()
}
```
### Installation
go get github.com/alexflint/go-filemutex
Forked from https://github.com/golang/build/tree/master/cmd/builder/filemutex_*.go

67
vendor/github.com/alexflint/go-filemutex/filemutex_flock.go generated vendored
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@ -1,67 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd
package filemutex
import (
"syscall"
)
const (
mkdirPerm = 0750
)
// FileMutex is similar to sync.RWMutex, but also synchronizes across processes.
// This implementation is based on flock syscall.
type FileMutex struct {
fd int
}
func New(filename string) (*FileMutex, error) {
fd, err := syscall.Open(filename, syscall.O_CREAT|syscall.O_RDONLY, mkdirPerm)
if err != nil {
return nil, err
}
return &FileMutex{fd: fd}, nil
}
func (m *FileMutex) Lock() error {
if err := syscall.Flock(m.fd, syscall.LOCK_EX); err != nil {
return err
}
return nil
}
func (m *FileMutex) Unlock() error {
if err := syscall.Flock(m.fd, syscall.LOCK_UN); err != nil {
return err
}
return nil
}
func (m *FileMutex) RLock() error {
if err := syscall.Flock(m.fd, syscall.LOCK_SH); err != nil {
return err
}
return nil
}
func (m *FileMutex) RUnlock() error {
if err := syscall.Flock(m.fd, syscall.LOCK_UN); err != nil {
return err
}
return nil
}
// Close does an Unlock() combined with closing and unlinking the associated
// lock file. You should create a New() FileMutex for every Lock() attempt if
// using Close().
func (m *FileMutex) Close() error {
if err := syscall.Flock(m.fd, syscall.LOCK_UN); err != nil {
return err
}
return syscall.Close(m.fd)
}

102
vendor/github.com/alexflint/go-filemutex/filemutex_windows.go generated vendored
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@ -1,102 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package filemutex
import (
"syscall"
"unsafe"
)
var (
modkernel32 = syscall.NewLazyDLL("kernel32.dll")
procLockFileEx = modkernel32.NewProc("LockFileEx")
procUnlockFileEx = modkernel32.NewProc("UnlockFileEx")
)
const (
lockfileExclusiveLock = 2
)
func lockFileEx(h syscall.Handle, flags, reserved, locklow, lockhigh uint32, ol *syscall.Overlapped) (err error) {
r1, _, e1 := syscall.Syscall6(procLockFileEx.Addr(), 6, uintptr(h), uintptr(flags), uintptr(reserved), uintptr(locklow), uintptr(lockhigh), uintptr(unsafe.Pointer(ol)))
if r1 == 0 {
if e1 != 0 {
err = error(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func unlockFileEx(h syscall.Handle, reserved, locklow, lockhigh uint32, ol *syscall.Overlapped) (err error) {
r1, _, e1 := syscall.Syscall6(procUnlockFileEx.Addr(), 5, uintptr(h), uintptr(reserved), uintptr(locklow), uintptr(lockhigh), uintptr(unsafe.Pointer(ol)), 0)
if r1 == 0 {
if e1 != 0 {
err = error(e1)
} else {
err = syscall.EINVAL
}
}
return
}
// FileMutex is similar to sync.RWMutex, but also synchronizes across processes.
// This implementation is based on flock syscall.
type FileMutex struct {
fd syscall.Handle
}
func New(filename string) (*FileMutex, error) {
fd, err := syscall.CreateFile(&(syscall.StringToUTF16(filename)[0]), syscall.GENERIC_READ|syscall.GENERIC_WRITE,
syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE, nil, syscall.OPEN_ALWAYS, syscall.FILE_ATTRIBUTE_NORMAL, 0)
if err != nil {
return nil, err
}
return &FileMutex{fd: fd}, nil
}
func (m *FileMutex) Lock() error {
var ol syscall.Overlapped
if err := lockFileEx(m.fd, lockfileExclusiveLock, 0, 1, 0, &ol); err != nil {
return err
}
return nil
}
func (m *FileMutex) Unlock() error {
var ol syscall.Overlapped
if err := unlockFileEx(m.fd, 0, 1, 0, &ol); err != nil {
return err
}
return nil
}
func (m *FileMutex) RLock() error {
var ol syscall.Overlapped
if err := lockFileEx(m.fd, 0, 0, 1, 0, &ol); err != nil {
return err
}
return nil
}
func (m *FileMutex) RUnlock() error {
var ol syscall.Overlapped
if err := unlockFileEx(m.fd, 0, 1, 0, &ol); err != nil {
return err
}
return nil
}
// Close does an Unlock() combined with closing and unlinking the associated
// lock file. You should create a New() FileMutex for every Lock() attempt if
// using Close().
func (m *FileMutex) Close() error {
var ol syscall.Overlapped
if err := unlockFileEx(m.fd, 0, 1, 0, &ol); err != nil {
return err
}
return syscall.Close(m.fd)
}

22
vendor/github.com/chai2010/gettext-go/gettext/hello.go generated vendored
View File

@ -1,22 +0,0 @@
// Copyright 2013 <chaishushan{AT}gmail.com>. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
package main
import (
"fmt"
"github.com/chai2010/gettext-go"
)
func main() {
gettext.SetLocale("zh_CN")
gettext.BindTextdomain("hello", "../examples/local", nil)
gettext.Textdomain("hello")
fmt.Println(gettext.Gettext("Hello, world!"))
// Output: 你好, 世界!
}

39
vendor/github.com/containerd/continuity/manifest_test_darwin.go generated vendored
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@ -1,39 +0,0 @@
// +build ignore
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package continuity
import "os"
var (
devNullResource = resource{
kind: chardev,
path: "/dev/null",
major: 3,
minor: 2,
mode: 0666 | os.ModeDevice | os.ModeCharDevice,
}
devZeroResource = resource{
kind: chardev,
path: "/dev/zero",
major: 3,
minor: 3,
mode: 0666 | os.ModeDevice | os.ModeCharDevice,
}
)

307
vendor/github.com/containernetworking/cni/pkg/skel/skel.go generated vendored
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@ -1,307 +0,0 @@
// Copyright 2014-2016 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package skel provides skeleton code for a CNI plugin.
// In particular, it implements argument parsing and validation.
package skel
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"log"
"os"
"strings"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/cni/pkg/version"
)
// CmdArgs captures all the arguments passed in to the plugin
// via both env vars and stdin
type CmdArgs struct {
ContainerID string
Netns string
IfName string
Args string
Path string
StdinData []byte
}
type dispatcher struct {
Getenv func(string) string
Stdin io.Reader
Stdout io.Writer
Stderr io.Writer
ConfVersionDecoder version.ConfigDecoder
VersionReconciler version.Reconciler
}
type reqForCmdEntry map[string]bool
// internal only error to indicate lack of required environment variables
type missingEnvError struct {
msg string
}
func (e missingEnvError) Error() string {
return e.msg
}
func (t *dispatcher) getCmdArgsFromEnv() (string, *CmdArgs, error) {
var cmd, contID, netns, ifName, args, path string
vars := []struct {
name string
val *string
reqForCmd reqForCmdEntry
}{
{
"CNI_COMMAND",
&cmd,
reqForCmdEntry{
"ADD": true,
"CHECK": true,
"DEL": true,
},
},
{
"CNI_CONTAINERID",
&contID,
reqForCmdEntry{
"ADD": true,
"CHECK": true,
"DEL": true,
},
},
{
"CNI_NETNS",
&netns,
reqForCmdEntry{
"ADD": true,
"CHECK": true,
"DEL": false,
},
},
{
"CNI_IFNAME",
&ifName,
reqForCmdEntry{
"ADD": true,
"CHECK": true,
"DEL": true,
},
},
{
"CNI_ARGS",
&args,
reqForCmdEntry{
"ADD": false,
"CHECK": false,
"DEL": false,
},
},
{
"CNI_PATH",
&path,
reqForCmdEntry{
"ADD": true,
"CHECK": true,
"DEL": true,
},
},
}
argsMissing := make([]string, 0)
for _, v := range vars {
*v.val = t.Getenv(v.name)
if *v.val == "" {
if v.reqForCmd[cmd] || v.name == "CNI_COMMAND" {
argsMissing = append(argsMissing, v.name)
}
}
}
if len(argsMissing) > 0 {
joined := strings.Join(argsMissing, ",")
return "", nil, missingEnvError{fmt.Sprintf("required env variables [%s] missing", joined)}
}
if cmd == "VERSION" {
t.Stdin = bytes.NewReader(nil)
}
stdinData, err := ioutil.ReadAll(t.Stdin)
if err != nil {
return "", nil, fmt.Errorf("error reading from stdin: %v", err)
}
cmdArgs := &CmdArgs{
ContainerID: contID,
Netns: netns,
IfName: ifName,
Args: args,
Path: path,
StdinData: stdinData,
}
return cmd, cmdArgs, nil
}
func createTypedError(f string, args ...interface{}) *types.Error {
return &types.Error{
Code: 100,
Msg: fmt.Sprintf(f, args...),
}
}
func (t *dispatcher) checkVersionAndCall(cmdArgs *CmdArgs, pluginVersionInfo version.PluginInfo, toCall func(*CmdArgs) error) error {
configVersion, err := t.ConfVersionDecoder.Decode(cmdArgs.StdinData)
if err != nil {
return err
}
verErr := t.VersionReconciler.Check(configVersion, pluginVersionInfo)
if verErr != nil {
return &types.Error{
Code: types.ErrIncompatibleCNIVersion,
Msg: "incompatible CNI versions",
Details: verErr.Details(),
}
}
return toCall(cmdArgs)
}
func validateConfig(jsonBytes []byte) error {
var conf struct {
Name string `json:"name"`
}
if err := json.Unmarshal(jsonBytes, &conf); err != nil {
return fmt.Errorf("error reading network config: %s", err)
}
if conf.Name == "" {
return fmt.Errorf("missing network name")
}
return nil
}
func (t *dispatcher) pluginMain(cmdAdd, cmdCheck, cmdDel func(_ *CmdArgs) error, versionInfo version.PluginInfo, about string) *types.Error {
cmd, cmdArgs, err := t.getCmdArgsFromEnv()
if err != nil {
// Print the about string to stderr when no command is set
if _, ok := err.(missingEnvError); ok && t.Getenv("CNI_COMMAND") == "" && about != "" {
fmt.Fprintln(t.Stderr, about)
return nil
}
return createTypedError(err.Error())
}
if cmd != "VERSION" {
err = validateConfig(cmdArgs.StdinData)
if err != nil {
return createTypedError(err.Error())
}
}
switch cmd {
case "ADD":
err = t.checkVersionAndCall(cmdArgs, versionInfo, cmdAdd)
case "CHECK":
configVersion, err := t.ConfVersionDecoder.Decode(cmdArgs.StdinData)
if err != nil {
return createTypedError(err.Error())
}
if gtet, err := version.GreaterThanOrEqualTo(configVersion, "0.4.0"); err != nil {
return createTypedError(err.Error())
} else if !gtet {
return &types.Error{
Code: types.ErrIncompatibleCNIVersion,
Msg: "config version does not allow CHECK",
}
}
for _, pluginVersion := range versionInfo.SupportedVersions() {
gtet, err := version.GreaterThanOrEqualTo(pluginVersion, configVersion)
if err != nil {
return createTypedError(err.Error())
} else if gtet {
if err := t.checkVersionAndCall(cmdArgs, versionInfo, cmdCheck); err != nil {
return createTypedError(err.Error())
}
return nil
}
}
return &types.Error{
Code: types.ErrIncompatibleCNIVersion,
Msg: "plugin version does not allow CHECK",
}
case "DEL":
err = t.checkVersionAndCall(cmdArgs, versionInfo, cmdDel)
case "VERSION":
err = versionInfo.Encode(t.Stdout)
default:
return createTypedError("unknown CNI_COMMAND: %v", cmd)
}
if err != nil {
if e, ok := err.(*types.Error); ok {
// don't wrap Error in Error
return e
}
return createTypedError(err.Error())
}
return nil
}
// PluginMainWithError is the core "main" for a plugin. It accepts
// callback functions for add, check, and del CNI commands and returns an error.
//
// The caller must also specify what CNI spec versions the plugin supports.
//
// It is the responsibility of the caller to check for non-nil error return.
//
// For a plugin to comply with the CNI spec, it must print any error to stdout
// as JSON and then exit with nonzero status code.
//
// To let this package automatically handle errors and call os.Exit(1) for you,
// use PluginMain() instead.
func PluginMainWithError(cmdAdd, cmdCheck, cmdDel func(_ *CmdArgs) error, versionInfo version.PluginInfo, about string) *types.Error {
return (&dispatcher{
Getenv: os.Getenv,
Stdin: os.Stdin,
Stdout: os.Stdout,
Stderr: os.Stderr,
}).pluginMain(cmdAdd, cmdCheck, cmdDel, versionInfo, about)
}
// PluginMain is the core "main" for a plugin which includes automatic error handling.
//
// The caller must also specify what CNI spec versions the plugin supports.
//
// The caller can specify an "about" string, which is printed on stderr
// when no CNI_COMMAND is specified. The recommended output is "CNI plugin <foo> v<version>"
//
// When an error occurs in either cmdAdd, cmdCheck, or cmdDel, PluginMain will print the error
// as JSON to stdout and call os.Exit(1).
//
// To have more control over error handling, use PluginMainWithError() instead.
func PluginMain(cmdAdd, cmdCheck, cmdDel func(_ *CmdArgs) error, versionInfo version.PluginInfo, about string) {
if e := PluginMainWithError(cmdAdd, cmdCheck, cmdDel, versionInfo, about); e != nil {
if err := e.Print(); err != nil {
log.Print("Error writing error JSON to stdout: ", err)
}
os.Exit(1)
}
}

371
vendor/github.com/containernetworking/plugins/pkg/hns/endpoint_windows.go generated vendored
View File

@ -1,371 +0,0 @@
// Copyright 2017 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package hns
import (
"fmt"
"net"
"strings"
"github.com/Microsoft/hcsshim"
"github.com/Microsoft/hcsshim/hcn"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/cni/pkg/types/current"
"github.com/juju/errors"
)
const (
pauseContainerNetNS = "none"
)
type EndpointInfo struct {
EndpointName string
DNS types.DNS
NetworkName string
NetworkId string
Gateway net.IP
IpAddress net.IP
}
// GetSandboxContainerID returns the sandbox ID of this pod
func GetSandboxContainerID(containerID string, netNs string) string {
if len(netNs) != 0 && netNs != pauseContainerNetNS {
splits := strings.SplitN(netNs, ":", 2)
if len(splits) == 2 {
containerID = splits[1]
}
}
return containerID
}
// short function so we know when to return "" for a string
func GetIpString(ip *net.IP) string {
if len(*ip) == 0 {
return ""
} else {
return ip.String()
}
}
func GenerateHnsEndpoint(epInfo *EndpointInfo, n *NetConf) (*hcsshim.HNSEndpoint, error) {
// run the IPAM plugin and get back the config to apply
hnsEndpoint, err := hcsshim.GetHNSEndpointByName(epInfo.EndpointName)
if err != nil && !hcsshim.IsNotExist(err) {
return nil, errors.Annotatef(err, "Attempt to get endpoint \"%v\" failed", epInfo.EndpointName)
}
if hnsEndpoint != nil {
if hnsEndpoint.VirtualNetwork != epInfo.NetworkId {
_, err = hnsEndpoint.Delete()
if err != nil {
return nil, errors.Annotatef(err, "Failed to delete endpoint %v", epInfo.EndpointName)
}
hnsEndpoint = nil
}
}
if n.LoopbackDSR {
n.ApplyLoopbackDSR(&epInfo.IpAddress)
}
if hnsEndpoint == nil {
hnsEndpoint = &hcsshim.HNSEndpoint{
Name: epInfo.EndpointName,
VirtualNetwork: epInfo.NetworkId,
DNSServerList: strings.Join(epInfo.DNS.Nameservers, ","),
DNSSuffix: strings.Join(epInfo.DNS.Search, ","),
GatewayAddress: GetIpString(&epInfo.Gateway),
IPAddress: epInfo.IpAddress,
Policies: n.MarshalPolicies(),
}
}
return hnsEndpoint, nil
}
func GenerateHcnEndpoint(epInfo *EndpointInfo, n *NetConf) (*hcn.HostComputeEndpoint, error) {
// run the IPAM plugin and get back the config to apply
hcnEndpoint, err := hcn.GetEndpointByName(epInfo.EndpointName)
if err != nil && !hcn.IsNotFoundError(err) {
return nil, errors.Annotatef(err, "Attempt to get endpoint \"%v\" failed", epInfo.EndpointName)
}
if hcnEndpoint != nil {
// If the endpont already exists, then we should return error unless
// the endpoint is based on a different network then delete
// should that fail return error
if !strings.EqualFold(hcnEndpoint.HostComputeNetwork, epInfo.NetworkId) {
err = hcnEndpoint.Delete()
if err != nil {
return nil, errors.Annotatef(err, "Failed to delete endpoint %v", epInfo.EndpointName)
hcnEndpoint = nil
}
} else {
return nil, fmt.Errorf("Endpoint \"%v\" already exits", epInfo.EndpointName)
}
}
if hcnEndpoint == nil {
routes := []hcn.Route{
{
NextHop: GetIpString(&epInfo.Gateway),
DestinationPrefix: GetDefaultDestinationPrefix(&epInfo.Gateway),
},
}
hcnDns := hcn.Dns{
Search: epInfo.DNS.Search,
ServerList: epInfo.DNS.Nameservers,
}
hcnIpConfig := hcn.IpConfig{
IpAddress: GetIpString(&epInfo.IpAddress),
}
ipConfigs := []hcn.IpConfig{hcnIpConfig}
if n.LoopbackDSR {
n.ApplyLoopbackDSR(&epInfo.IpAddress)
}
hcnEndpoint = &hcn.HostComputeEndpoint{
SchemaVersion: hcn.Version{Major: 2},
Name: epInfo.EndpointName,
HostComputeNetwork: epInfo.NetworkId,
Dns: hcnDns,
Routes: routes,
IpConfigurations: ipConfigs,
Policies: func() []hcn.EndpointPolicy {
if n.HcnPolicyArgs == nil {
n.HcnPolicyArgs = []hcn.EndpointPolicy{}
}
return n.HcnPolicyArgs
}(),
}
}
return hcnEndpoint, nil
}
// ConstructEndpointName constructs enpointId which is used to identify an endpoint from HNS
// There is a special consideration for netNs name here, which is required for Windows Server 1709
// containerID is the Id of the container on which the endpoint is worked on
func ConstructEndpointName(containerID string, netNs string, networkName string) string {
return GetSandboxContainerID(containerID, netNs) + "_" + networkName
}
// DeprovisionEndpoint removes an endpoint from the container by sending a Detach request to HNS
// For shared endpoint, ContainerDetach is used
// for removing the endpoint completely, HotDetachEndpoint is used
func DeprovisionEndpoint(epName string, netns string, containerID string) error {
if len(netns) == 0 {
return nil
}
hnsEndpoint, err := hcsshim.GetHNSEndpointByName(epName)
if hcsshim.IsNotExist(err) {
return nil
} else if err != nil {
return errors.Annotatef(err, "failed to find HNSEndpoint %s", epName)
}
if netns != pauseContainerNetNS {
// Shared endpoint removal. Do not remove the endpoint.
hnsEndpoint.ContainerDetach(containerID)
return nil
}
// Do not consider this as failure, else this would leak endpoints
hcsshim.HotDetachEndpoint(containerID, hnsEndpoint.Id)
// Do not return error
hnsEndpoint.Delete()
return nil
}
type EndpointMakerFunc func() (*hcsshim.HNSEndpoint, error)
// ProvisionEndpoint provisions an endpoint to a container specified by containerID.
// If an endpoint already exists, the endpoint is reused.
// This call is idempotent
func ProvisionEndpoint(epName string, expectedNetworkId string, containerID string, netns string, makeEndpoint EndpointMakerFunc) (*hcsshim.HNSEndpoint, error) {
// On the second add call we expect that the endpoint already exists. If it
// does not then we should return an error.
if netns != pauseContainerNetNS {
_, err := hcsshim.GetHNSEndpointByName(epName)
if err != nil {
return nil, errors.Annotatef(err, "failed to find HNSEndpoint %s", epName)
}
}
// check if endpoint already exists
createEndpoint := true
hnsEndpoint, err := hcsshim.GetHNSEndpointByName(epName)
if hnsEndpoint != nil && strings.EqualFold(hnsEndpoint.VirtualNetwork, expectedNetworkId) {
createEndpoint = false
}
if createEndpoint {
if hnsEndpoint != nil {
if _, err = hnsEndpoint.Delete(); err != nil {
return nil, errors.Annotate(err, "failed to delete the stale HNSEndpoint")
}
}
if hnsEndpoint, err = makeEndpoint(); err != nil {
return nil, errors.Annotate(err, "failed to make a new HNSEndpoint")
}
if hnsEndpoint, err = hnsEndpoint.Create(); err != nil {
return nil, errors.Annotate(err, "failed to create the new HNSEndpoint")
}
}
// hot attach
if err := hcsshim.HotAttachEndpoint(containerID, hnsEndpoint.Id); err != nil {
if createEndpoint {
err := DeprovisionEndpoint(epName, netns, containerID)
if err != nil {
return nil, errors.Annotatef(err, "failed to Deprovsion after HotAttach failure")
}
}
if hcsshim.ErrComputeSystemDoesNotExist == err {
return hnsEndpoint, nil
}
return nil, err
}
return hnsEndpoint, nil
}
type HcnEndpointMakerFunc func() (*hcn.HostComputeEndpoint, error)
func AddHcnEndpoint(epName string, expectedNetworkId string, namespace string,
makeEndpoint HcnEndpointMakerFunc) (*hcn.HostComputeEndpoint, error) {
hcnEndpoint, err := makeEndpoint()
if err != nil {
return nil, errors.Annotate(err, "failed to make a new HNSEndpoint")
}
if hcnEndpoint, err = hcnEndpoint.Create(); err != nil {
return nil, errors.Annotate(err, "failed to create the new HNSEndpoint")
}
err = hcn.AddNamespaceEndpoint(namespace, hcnEndpoint.Id)
if err != nil {
err := RemoveHcnEndpoint(epName)
if err != nil {
return nil, errors.Annotatef(err, "failed to Remove Endpoint after AddNamespaceEndpoint failure")
}
return nil, errors.Annotatef(err, "Failed to Add endpoint to namespace")
}
return hcnEndpoint, nil
}
// ConstructResult constructs the CNI result for the endpoint
func ConstructResult(hnsNetwork *hcsshim.HNSNetwork, hnsEndpoint *hcsshim.HNSEndpoint) (*current.Result, error) {
resultInterface := &current.Interface{
Name: hnsEndpoint.Name,
Mac: hnsEndpoint.MacAddress,
}
_, ipSubnet, err := net.ParseCIDR(hnsNetwork.Subnets[0].AddressPrefix)
if err != nil {
return nil, errors.Annotatef(err, "failed to parse CIDR from %s", hnsNetwork.Subnets[0].AddressPrefix)
}
var ipVersion string
if ipv4 := hnsEndpoint.IPAddress.To4(); ipv4 != nil {
ipVersion = "4"
} else if ipv6 := hnsEndpoint.IPAddress.To16(); ipv6 != nil {
ipVersion = "6"
} else {
return nil, fmt.Errorf("IPAddress of HNSEndpoint %s isn't a valid ipv4 or ipv6 Address", hnsEndpoint.Name)
}
resultIPConfig := &current.IPConfig{
Version: ipVersion,
Address: net.IPNet{
IP: hnsEndpoint.IPAddress,
Mask: ipSubnet.Mask},
Gateway: net.ParseIP(hnsEndpoint.GatewayAddress),
}
result := &current.Result{}
result.Interfaces = []*current.Interface{resultInterface}
result.IPs = []*current.IPConfig{resultIPConfig}
result.DNS = types.DNS{
Search: strings.Split(hnsEndpoint.DNSSuffix, ","),
Nameservers: strings.Split(hnsEndpoint.DNSServerList, ","),
}
return result, nil
}
// This version follows the v2 workflow of removing the endpoint from the namespace and deleting it
func RemoveHcnEndpoint(epName string) error {
hcnEndpoint, err := hcn.GetEndpointByName(epName)
if hcn.IsNotFoundError(err) {
return nil
} else if err != nil {
_ = fmt.Errorf("[win-cni] Failed to find endpoint %v, err:%v", epName, err)
return err
}
if hcnEndpoint != nil {
err = hcnEndpoint.Delete()
if err != nil {
return fmt.Errorf("[win-cni] Failed to delete endpoint %v, err:%v", epName, err)
}
}
return nil
}
func ConstructHcnResult(hcnNetwork *hcn.HostComputeNetwork, hcnEndpoint *hcn.HostComputeEndpoint) (*current.Result, error) {
resultInterface := &current.Interface{
Name: hcnEndpoint.Name,
Mac: hcnEndpoint.MacAddress,
}
_, ipSubnet, err := net.ParseCIDR(hcnNetwork.Ipams[0].Subnets[0].IpAddressPrefix)
if err != nil {
return nil, err
}
var ipVersion string
ipAddress := net.ParseIP(hcnEndpoint.IpConfigurations[0].IpAddress)
if ipv4 := ipAddress.To4(); ipv4 != nil {
ipVersion = "4"
} else if ipv6 := ipAddress.To16(); ipv6 != nil {
ipVersion = "6"
} else {
return nil, fmt.Errorf("[win-cni] The IPAddress of hnsEndpoint isn't a valid ipv4 or ipv6 Address.")
}
resultIPConfig := &current.IPConfig{
Version: ipVersion,
Address: net.IPNet{
IP: ipAddress,
Mask: ipSubnet.Mask},
Gateway: net.ParseIP(hcnEndpoint.Routes[0].NextHop),
}
result := &current.Result{}
result.Interfaces = []*current.Interface{resultInterface}
result.IPs = []*current.IPConfig{resultIPConfig}
result.DNS = types.DNS{
Search: hcnEndpoint.Dns.Search,
Nameservers: hcnEndpoint.Dns.ServerList,
}
return result, nil
}

209
vendor/github.com/containernetworking/plugins/pkg/hns/netconf_windows.go generated vendored
View File

@ -1,209 +0,0 @@
// Copyright 2017 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package hns
import (
"bytes"
"encoding/json"
"fmt"
"net"
"github.com/Microsoft/hcsshim/hcn"
"github.com/buger/jsonparser"
"github.com/containernetworking/cni/pkg/types"
"strings"
)
// NetConf is the CNI spec
type NetConf struct {
types.NetConf
// ApiVersion is either 1 or 2, which specifies which hns APIs to call
ApiVersion int `json:"ApiVersion"`
// V2 Api Policies
HcnPolicyArgs []hcn.EndpointPolicy `json:"HcnPolicyArgs,omitempty"`
// V1 Api Policies
Policies []policy `json:"policies,omitempty"`
// Options to be passed in by the runtime
RuntimeConfig RuntimeConfig `json:"runtimeConfig"`
// If true, adds a policy to endpoints to support loopback direct server return
LoopbackDSR bool `json:"loopbackDSR"`
}
type RuntimeDNS struct {
Nameservers []string `json:"servers,omitempty"`
Search []string `json:"searches,omitempty"`
}
type RuntimeConfig struct {
DNS RuntimeDNS `json:"dns"`
}
type policy struct {
Name string `json:"name"`
Value json.RawMessage `json:"value"`
}
func GetDefaultDestinationPrefix(ip *net.IP) string {
destinationPrefix := "0.0.0.0/0"
if ipv6 := ip.To4(); ipv6 == nil {
destinationPrefix = "::/0"
}
return destinationPrefix
}
func (n *NetConf) ApplyLoopbackDSR(ip *net.IP) {
value := fmt.Sprintf(`"Destinations" : ["%s"]`, ip.String())
if n.ApiVersion == 2 {
hcnLoopbackRoute := hcn.EndpointPolicy{
Type: "OutBoundNAT",
Settings: []byte(fmt.Sprintf("{%s}", value)),
}
n.HcnPolicyArgs = append(n.HcnPolicyArgs, hcnLoopbackRoute)
} else {
hnsLoopbackRoute := policy{
Name: "EndpointPolicy",
Value: []byte(fmt.Sprintf(`{"Type": "OutBoundNAT", %s}`, value)),
}
n.Policies = append(n.Policies, hnsLoopbackRoute)
}
}
// If runtime dns values are there use that else use cni conf supplied dns
func (n *NetConf) GetDNS() types.DNS {
dnsResult := n.DNS
if len(n.RuntimeConfig.DNS.Nameservers) > 0 {
dnsResult.Nameservers = n.RuntimeConfig.DNS.Nameservers
}
if len(n.RuntimeConfig.DNS.Search) > 0 {
dnsResult.Search = n.RuntimeConfig.DNS.Search
}
return dnsResult
}
// MarshalPolicies converts the Endpoint policies in Policies
// to HNS specific policies as Json raw bytes
func (n *NetConf) MarshalPolicies() []json.RawMessage {
if n.Policies == nil {
n.Policies = make([]policy, 0)
}
result := make([]json.RawMessage, 0, len(n.Policies))
for _, p := range n.Policies {
if !strings.EqualFold(p.Name, "EndpointPolicy") {
continue
}
result = append(result, p.Value)
}
return result
}
// ApplyOutboundNatPolicy applies NAT Policy in VFP using HNS
// Simultaneously an exception is added for the network that has to be Nat'd
func (n *NetConf) ApplyOutboundNatPolicy(nwToNat string) {
if n.Policies == nil {
n.Policies = make([]policy, 0)
}
nwToNatBytes := []byte(nwToNat)
for i, p := range n.Policies {
if !strings.EqualFold(p.Name, "EndpointPolicy") {
continue
}
typeValue, err := jsonparser.GetUnsafeString(p.Value, "Type")
if err != nil || len(typeValue) == 0 {
continue
}
if !strings.EqualFold(typeValue, "OutBoundNAT") {
continue
}
exceptionListValue, dt, _, _ := jsonparser.Get(p.Value, "ExceptionList")
// OutBoundNAT must with ExceptionList, so don't need to judge jsonparser.NotExist
if dt == jsonparser.Array {
buf := bytes.Buffer{}
buf.WriteString(`{"Type": "OutBoundNAT", "ExceptionList": [`)
jsonparser.ArrayEach(exceptionListValue, func(value []byte, dataType jsonparser.ValueType, offset int, err error) {
if dataType == jsonparser.String && len(value) != 0 {
if bytes.Compare(value, nwToNatBytes) != 0 {
buf.WriteByte('"')
buf.Write(value)
buf.WriteByte('"')
buf.WriteByte(',')
}
}
})
buf.WriteString(`"` + nwToNat + `"]}`)
n.Policies[i] = policy{
Name: "EndpointPolicy",
Value: buf.Bytes(),
}
} else {
n.Policies[i] = policy{
Name: "EndpointPolicy",
Value: []byte(`{"Type": "OutBoundNAT", "ExceptionList": ["` + nwToNat + `"]}`),
}
}
return
}
// didn't find the policyArg, add it
n.Policies = append(n.Policies, policy{
Name: "EndpointPolicy",
Value: []byte(`{"Type": "OutBoundNAT", "ExceptionList": ["` + nwToNat + `"]}`),
})
}
// ApplyDefaultPAPolicy is used to configure a endpoint PA policy in HNS
func (n *NetConf) ApplyDefaultPAPolicy(paAddress string) {
if n.Policies == nil {
n.Policies = make([]policy, 0)
}
// if its already present, leave untouched
for i, p := range n.Policies {
if !strings.EqualFold(p.Name, "EndpointPolicy") {
continue
}
paValue, dt, _, _ := jsonparser.Get(p.Value, "PA")
if dt == jsonparser.NotExist {
continue
} else if dt == jsonparser.String && len(paValue) != 0 {
// found it, don't override
return
}
n.Policies[i] = policy{
Name: "EndpointPolicy",
Value: []byte(`{"Type": "PA", "PA": "` + paAddress + `"}`),
}
return
}
// didn't find the policyArg, add it
n.Policies = append(n.Policies, policy{
Name: "EndpointPolicy",
Value: []byte(`{"Type": "PA", "PA": "` + paAddress + `"}`),
})
}

68
vendor/github.com/containernetworking/plugins/pkg/ip/addr_linux.go generated vendored
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@ -1,68 +0,0 @@
// Copyright 2017 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ip
import (
"fmt"
"syscall"
"time"
"github.com/vishvananda/netlink"
)
const SETTLE_INTERVAL = 50 * time.Millisecond
// SettleAddresses waits for all addresses on a link to leave tentative state.
// This is particularly useful for ipv6, where all addresses need to do DAD.
// There is no easy way to wait for this as an event, so just loop until the
// addresses are no longer tentative.
// If any addresses are still tentative after timeout seconds, then error.
func SettleAddresses(ifName string, timeout int) error {
link, err := netlink.LinkByName(ifName)
if err != nil {
return fmt.Errorf("failed to retrieve link: %v", err)
}
deadline := time.Now().Add(time.Duration(timeout) * time.Second)
for {
addrs, err := netlink.AddrList(link, netlink.FAMILY_ALL)
if err != nil {
return fmt.Errorf("could not list addresses: %v", err)
}
if len(addrs) == 0 {
return nil
}
ok := true
for _, addr := range addrs {
if addr.Flags&(syscall.IFA_F_TENTATIVE|syscall.IFA_F_DADFAILED) > 0 {
ok = false
break // Break out of the `range addrs`, not the `for`
}
}
if ok {
return nil
}
if time.Now().After(deadline) {
return fmt.Errorf("link %s still has tentative addresses after %d seconds",
ifName,
timeout)
}
time.Sleep(SETTLE_INTERVAL)
}
}

61
vendor/github.com/containernetworking/plugins/pkg/ip/cidr.go generated vendored
View File

@ -1,61 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ip
import (
"math/big"
"net"
)
// NextIP returns IP incremented by 1
func NextIP(ip net.IP) net.IP {
i := ipToInt(ip)
return intToIP(i.Add(i, big.NewInt(1)))
}
// PrevIP returns IP decremented by 1
func PrevIP(ip net.IP) net.IP {
i := ipToInt(ip)
return intToIP(i.Sub(i, big.NewInt(1)))
}
// Cmp compares two IPs, returning the usual ordering:
// a < b : -1
// a == b : 0
// a > b : 1
func Cmp(a, b net.IP) int {
aa := ipToInt(a)
bb := ipToInt(b)
return aa.Cmp(bb)
}
func ipToInt(ip net.IP) *big.Int {
if v := ip.To4(); v != nil {
return big.NewInt(0).SetBytes(v)
}
return big.NewInt(0).SetBytes(ip.To16())
}
func intToIP(i *big.Int) net.IP {
return net.IP(i.Bytes())
}
// Network masks off the host portion of the IP
func Network(ipn *net.IPNet) *net.IPNet {
return &net.IPNet{
IP: ipn.IP.Mask(ipn.Mask),
Mask: ipn.Mask,
}
}

61
vendor/github.com/containernetworking/plugins/pkg/ip/ipforward_linux.go generated vendored
View File

@ -1,61 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ip
import (
"bytes"
"io/ioutil"
"github.com/containernetworking/cni/pkg/types/current"
)
func EnableIP4Forward() error {
return echo1("/proc/sys/net/ipv4/ip_forward")
}
func EnableIP6Forward() error {
return echo1("/proc/sys/net/ipv6/conf/all/forwarding")
}
// EnableForward will enable forwarding for all configured
// address families
func EnableForward(ips []*current.IPConfig) error {
v4 := false
v6 := false
for _, ip := range ips {
if ip.Version == "4" && !v4 {
if err := EnableIP4Forward(); err != nil {
return err
}
v4 = true
} else if ip.Version == "6" && !v6 {
if err := EnableIP6Forward(); err != nil {
return err
}
v6 = true
}
}
return nil
}
func echo1(f string) error {
if content, err := ioutil.ReadFile(f); err == nil {
if bytes.Equal(bytes.TrimSpace(content), []byte("1")) {
return nil
}
}
return ioutil.WriteFile(f, []byte("1"), 0644)
}

126
vendor/github.com/containernetworking/plugins/pkg/ip/ipmasq_linux.go generated vendored
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@ -1,126 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ip
import (
"fmt"
"net"
"github.com/coreos/go-iptables/iptables"
)
// SetupIPMasq installs iptables rules to masquerade traffic
// coming from ip of ipn and going outside of ipn
func SetupIPMasq(ipn *net.IPNet, chain string, comment string) error {
isV6 := ipn.IP.To4() == nil
var ipt *iptables.IPTables
var err error
var multicastNet string
if isV6 {
ipt, err = iptables.NewWithProtocol(iptables.ProtocolIPv6)
multicastNet = "ff00::/8"
} else {
ipt, err = iptables.NewWithProtocol(iptables.ProtocolIPv4)
multicastNet = "224.0.0.0/4"
}
if err != nil {
return fmt.Errorf("failed to locate iptables: %v", err)
}
// Create chain if doesn't exist
exists := false
chains, err := ipt.ListChains("nat")
if err != nil {
return fmt.Errorf("failed to list chains: %v", err)
}
for _, ch := range chains {
if ch == chain {
exists = true
break
}
}
if !exists {
if err = ipt.NewChain("nat", chain); err != nil {
return err
}
}
// Packets to this network should not be touched
if err := ipt.AppendUnique("nat", chain, "-d", ipn.String(), "-j", "ACCEPT", "-m", "comment", "--comment", comment); err != nil {
return err
}
// Don't masquerade multicast - pods should be able to talk to other pods
// on the local network via multicast.
if err := ipt.AppendUnique("nat", chain, "!", "-d", multicastNet, "-j", "MASQUERADE", "-m", "comment", "--comment", comment); err != nil {
return err
}
// Packets from the specific IP of this network will hit the chain
return ipt.AppendUnique("nat", "POSTROUTING", "-s", ipn.IP.String(), "-j", chain, "-m", "comment", "--comment", comment)
}
// TeardownIPMasq undoes the effects of SetupIPMasq
func TeardownIPMasq(ipn *net.IPNet, chain string, comment string) error {
isV6 := ipn.IP.To4() == nil
var ipt *iptables.IPTables
var err error
if isV6 {
ipt, err = iptables.NewWithProtocol(iptables.ProtocolIPv6)
} else {
ipt, err = iptables.NewWithProtocol(iptables.ProtocolIPv4)
}
if err != nil {
return fmt.Errorf("failed to locate iptables: %v", err)
}
err = ipt.Delete("nat", "POSTROUTING", "-s", ipn.IP.String(), "-j", chain, "-m", "comment", "--comment", comment)
if err != nil && !isNotExist(err) {
return err
}
// for downward compatibility
err = ipt.Delete("nat", "POSTROUTING", "-s", ipn.String(), "-j", chain, "-m", "comment", "--comment", comment)
if err != nil && !isNotExist(err) {
return err
}
err = ipt.ClearChain("nat", chain)
if err != nil && !isNotExist(err) {
return err
}
err = ipt.DeleteChain("nat", chain)
if err != nil && !isNotExist(err) {
return err
}
return nil
}
// isNotExist returnst true if the error is from iptables indicating
// that the target does not exist.
func isNotExist(err error) bool {
e, ok := err.(*iptables.Error)
if !ok {
return false
}
return e.IsNotExist()
}

288
vendor/github.com/containernetworking/plugins/pkg/ip/link_linux.go generated vendored
View File

@ -1,288 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ip
import (
"crypto/rand"
"errors"
"fmt"
"net"
"os"
"github.com/containernetworking/plugins/pkg/ns"
"github.com/containernetworking/plugins/pkg/utils/hwaddr"
"github.com/safchain/ethtool"
"github.com/vishvananda/netlink"
)
var (
ErrLinkNotFound = errors.New("link not found")
)
func makeVethPair(name, peer string, mtu int) (netlink.Link, error) {
veth := &netlink.Veth{
LinkAttrs: netlink.LinkAttrs{
Name: name,
Flags: net.FlagUp,
MTU: mtu,
},
PeerName: peer,
}
if err := netlink.LinkAdd(veth); err != nil {
return nil, err
}
// Re-fetch the link to get its creation-time parameters, e.g. index and mac
veth2, err := netlink.LinkByName(name)
if err != nil {
netlink.LinkDel(veth) // try and clean up the link if possible.
return nil, err
}
return veth2, nil
}
func peerExists(name string) bool {
if _, err := netlink.LinkByName(name); err != nil {
return false
}
return true
}
func makeVeth(name, vethPeerName string, mtu int) (peerName string, veth netlink.Link, err error) {
for i := 0; i < 10; i++ {
if vethPeerName != "" {
peerName = vethPeerName
} else {
peerName, err = RandomVethName()
if err != nil {
return
}
}
veth, err = makeVethPair(name, peerName, mtu)
switch {
case err == nil:
return
case os.IsExist(err):
if peerExists(peerName) && vethPeerName == "" {
continue
}
err = fmt.Errorf("container veth name provided (%v) already exists", name)
return
default:
err = fmt.Errorf("failed to make veth pair: %v", err)
return
}
}
// should really never be hit
err = fmt.Errorf("failed to find a unique veth name")
return
}
// RandomVethName returns string "veth" with random prefix (hashed from entropy)
func RandomVethName() (string, error) {
entropy := make([]byte, 4)
_, err := rand.Reader.Read(entropy)
if err != nil {
return "", fmt.Errorf("failed to generate random veth name: %v", err)
}
// NetworkManager (recent versions) will ignore veth devices that start with "veth"
return fmt.Sprintf("veth%x", entropy), nil
}
func RenameLink(curName, newName string) error {
link, err := netlink.LinkByName(curName)
if err == nil {
err = netlink.LinkSetName(link, newName)
}
return err
}
func ifaceFromNetlinkLink(l netlink.Link) net.Interface {
a := l.Attrs()
return net.Interface{
Index: a.Index,
MTU: a.MTU,
Name: a.Name,
HardwareAddr: a.HardwareAddr,
Flags: a.Flags,
}
}
// SetupVethWithName sets up a pair of virtual ethernet devices.
// Call SetupVethWithName from inside the container netns. It will create both veth
// devices and move the host-side veth into the provided hostNS namespace.
// hostVethName: If hostVethName is not specified, the host-side veth name will use a random string.
// On success, SetupVethWithName returns (hostVeth, containerVeth, nil)
func SetupVethWithName(contVethName, hostVethName string, mtu int, hostNS ns.NetNS) (net.Interface, net.Interface, error) {
hostVethName, contVeth, err := makeVeth(contVethName, hostVethName, mtu)
if err != nil {
return net.Interface{}, net.Interface{}, err
}
if err = netlink.LinkSetUp(contVeth); err != nil {
return net.Interface{}, net.Interface{}, fmt.Errorf("failed to set %q up: %v", contVethName, err)
}
hostVeth, err := netlink.LinkByName(hostVethName)
if err != nil {
return net.Interface{}, net.Interface{}, fmt.Errorf("failed to lookup %q: %v", hostVethName, err)
}
if err = netlink.LinkSetNsFd(hostVeth, int(hostNS.Fd())); err != nil {
return net.Interface{}, net.Interface{}, fmt.Errorf("failed to move veth to host netns: %v", err)
}
err = hostNS.Do(func(_ ns.NetNS) error {
hostVeth, err = netlink.LinkByName(hostVethName)
if err != nil {
return fmt.Errorf("failed to lookup %q in %q: %v", hostVethName, hostNS.Path(), err)
}
if err = netlink.LinkSetUp(hostVeth); err != nil {
return fmt.Errorf("failed to set %q up: %v", hostVethName, err)
}
return nil
})
if err != nil {
return net.Interface{}, net.Interface{}, err
}
return ifaceFromNetlinkLink(hostVeth), ifaceFromNetlinkLink(contVeth), nil
}
// SetupVeth sets up a pair of virtual ethernet devices.
// Call SetupVeth from inside the container netns. It will create both veth
// devices and move the host-side veth into the provided hostNS namespace.
// On success, SetupVeth returns (hostVeth, containerVeth, nil)
func SetupVeth(contVethName string, mtu int, hostNS ns.NetNS) (net.Interface, net.Interface, error) {
return SetupVethWithName(contVethName, "", mtu, hostNS)
}
// DelLinkByName removes an interface link.
func DelLinkByName(ifName string) error {
iface, err := netlink.LinkByName(ifName)
if err != nil {
if err.Error() == "Link not found" {
return ErrLinkNotFound
}
return fmt.Errorf("failed to lookup %q: %v", ifName, err)
}
if err = netlink.LinkDel(iface); err != nil {
return fmt.Errorf("failed to delete %q: %v", ifName, err)
}
return nil
}
// DelLinkByNameAddr remove an interface and returns its addresses
func DelLinkByNameAddr(ifName string) ([]*net.IPNet, error) {
iface, err := netlink.LinkByName(ifName)
if err != nil {
if err != nil && err.Error() == "Link not found" {
return nil, ErrLinkNotFound
}
return nil, fmt.Errorf("failed to lookup %q: %v", ifName, err)
}
addrs, err := netlink.AddrList(iface, netlink.FAMILY_ALL)
if err != nil {
return nil, fmt.Errorf("failed to get IP addresses for %q: %v", ifName, err)
}
if err = netlink.LinkDel(iface); err != nil {
return nil, fmt.Errorf("failed to delete %q: %v", ifName, err)
}
out := []*net.IPNet{}
for _, addr := range addrs {
if addr.IP.IsGlobalUnicast() {
out = append(out, addr.IPNet)
}
}
return out, nil
}
func SetHWAddrByIP(ifName string, ip4 net.IP, ip6 net.IP) error {
iface, err := netlink.LinkByName(ifName)
if err != nil {
return fmt.Errorf("failed to lookup %q: %v", ifName, err)
}
switch {
case ip4 == nil && ip6 == nil:
return fmt.Errorf("neither ip4 or ip6 specified")
case ip4 != nil:
{
hwAddr, err := hwaddr.GenerateHardwareAddr4(ip4, hwaddr.PrivateMACPrefix)
if err != nil {
return fmt.Errorf("failed to generate hardware addr: %v", err)
}
if err = netlink.LinkSetHardwareAddr(iface, hwAddr); err != nil {
return fmt.Errorf("failed to add hardware addr to %q: %v", ifName, err)
}
}
case ip6 != nil:
// TODO: IPv6
}
return nil
}
// GetVethPeerIfindex returns the veth link object, the peer ifindex of the
// veth, or an error. This peer ifindex will only be valid in the peer's
// network namespace.
func GetVethPeerIfindex(ifName string) (netlink.Link, int, error) {
link, err := netlink.LinkByName(ifName)
if err != nil {
return nil, -1, fmt.Errorf("could not look up %q: %v", ifName, err)
}
if _, ok := link.(*netlink.Veth); !ok {
return nil, -1, fmt.Errorf("interface %q was not a veth interface", ifName)
}
// veth supports IFLA_LINK (what vishvananda/netlink calls ParentIndex)
// on 4.1 and higher kernels
peerIndex := link.Attrs().ParentIndex
if peerIndex <= 0 {
// Fall back to ethtool for 4.0 and earlier kernels
e, err := ethtool.NewEthtool()
if err != nil {
return nil, -1, fmt.Errorf("failed to initialize ethtool: %v", err)
}
defer e.Close()
stats, err := e.Stats(link.Attrs().Name)
if err != nil {
return nil, -1, fmt.Errorf("failed to request ethtool stats: %v", err)
}
n, ok := stats["peer_ifindex"]
if !ok {
return nil, -1, fmt.Errorf("failed to find 'peer_ifindex' in ethtool stats")
}
if n > 32767 || n == 0 {
return nil, -1, fmt.Errorf("invalid 'peer_ifindex' %d", n)
}
peerIndex = int(n)
}
return link, peerIndex, nil
}

47
vendor/github.com/containernetworking/plugins/pkg/ip/route_linux.go generated vendored
View File

@ -1,47 +0,0 @@
// Copyright 2015-2017 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ip
import (
"net"
"github.com/vishvananda/netlink"
)
// AddRoute adds a universally-scoped route to a device.
func AddRoute(ipn *net.IPNet, gw net.IP, dev netlink.Link) error {
return netlink.RouteAdd(&netlink.Route{
LinkIndex: dev.Attrs().Index,
Scope: netlink.SCOPE_UNIVERSE,
Dst: ipn,
Gw: gw,
})
}
// AddHostRoute adds a host-scoped route to a device.
func AddHostRoute(ipn *net.IPNet, gw net.IP, dev netlink.Link) error {
return netlink.RouteAdd(&netlink.Route{
LinkIndex: dev.Attrs().Index,
Scope: netlink.SCOPE_HOST,
Dst: ipn,
Gw: gw,
})
}
// AddDefaultRoute sets the default route on the given gateway.
func AddDefaultRoute(gw net.IP, dev netlink.Link) error {
_, defNet, _ := net.ParseCIDR("0.0.0.0/0")
return AddRoute(defNet, gw, dev)
}

120
vendor/github.com/containernetworking/plugins/pkg/ip/utils_linux.go generated vendored
View File

@ -1,120 +0,0 @@
// +build linux
// Copyright 2016 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ip
import (
"fmt"
"net"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/cni/pkg/types/current"
"github.com/vishvananda/netlink"
)
func ValidateExpectedInterfaceIPs(ifName string, resultIPs []*current.IPConfig) error {
// Ensure ips
for _, ips := range resultIPs {
ourAddr := netlink.Addr{IPNet: &ips.Address}
match := false
link, err := netlink.LinkByName(ifName)
if err != nil {
return fmt.Errorf("Cannot find container link %v", ifName)
}
addrList, err := netlink.AddrList(link, netlink.FAMILY_ALL)
if err != nil {
return fmt.Errorf("Cannot obtain List of IP Addresses")
}
for _, addr := range addrList {
if addr.Equal(ourAddr) {
match = true
break
}
}
if match == false {
return fmt.Errorf("Failed to match addr %v on interface %v", ourAddr, ifName)
}
// Convert the host/prefixlen to just prefix for route lookup.
_, ourPrefix, err := net.ParseCIDR(ourAddr.String())
findGwy := &netlink.Route{Dst: ourPrefix}
routeFilter := netlink.RT_FILTER_DST
var family int
switch {
case ips.Version == "4":
family = netlink.FAMILY_V4
case ips.Version == "6":
family = netlink.FAMILY_V6
default:
return fmt.Errorf("Invalid IP Version %v for interface %v", ips.Version, ifName)
}
gwy, err := netlink.RouteListFiltered(family, findGwy, routeFilter)
if err != nil {
return fmt.Errorf("Error %v trying to find Gateway %v for interface %v", err, ips.Gateway, ifName)
}
if gwy == nil {
return fmt.Errorf("Failed to find Gateway %v for interface %v", ips.Gateway, ifName)
}
}
return nil
}
func ValidateExpectedRoute(resultRoutes []*types.Route) error {
// Ensure that each static route in prevResults is found in the routing table
for _, route := range resultRoutes {
find := &netlink.Route{Dst: &route.Dst, Gw: route.GW}
routeFilter := netlink.RT_FILTER_DST | netlink.RT_FILTER_GW
var family int
switch {
case route.Dst.IP.To4() != nil:
family = netlink.FAMILY_V4
// Default route needs Dst set to nil
if route.Dst.String() == "0.0.0.0/0" {
find = &netlink.Route{Dst: nil, Gw: route.GW}
routeFilter = netlink.RT_FILTER_DST
}
case len(route.Dst.IP) == net.IPv6len:
family = netlink.FAMILY_V6
// Default route needs Dst set to nil
if route.Dst.String() == "::/0" {
find = &netlink.Route{Dst: nil, Gw: route.GW}
routeFilter = netlink.RT_FILTER_DST
}
default:
return fmt.Errorf("Invalid static route found %v", route)
}
wasFound, err := netlink.RouteListFiltered(family, find, routeFilter)
if err != nil {
return fmt.Errorf("Expected Route %v not route table lookup error %v", route, err)
}
if wasFound == nil {
return fmt.Errorf("Expected Route %v not found in routing table", route)
}
}
return nil
}

33
vendor/github.com/containernetworking/plugins/pkg/ipam/ipam.go generated vendored
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@ -1,33 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ipam
import (
"context"
"github.com/containernetworking/cni/pkg/invoke"
"github.com/containernetworking/cni/pkg/types"
)
func ExecAdd(plugin string, netconf []byte) (types.Result, error) {
return invoke.DelegateAdd(context.TODO(), plugin, netconf, nil)
}
func ExecCheck(plugin string, netconf []byte) error {
return invoke.DelegateCheck(context.TODO(), plugin, netconf, nil)
}
func ExecDel(plugin string, netconf []byte) error {
return invoke.DelegateDel(context.TODO(), plugin, netconf, nil)
}

121
vendor/github.com/containernetworking/plugins/pkg/ipam/ipam_linux.go generated vendored
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@ -1,121 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ipam
import (
"fmt"
"net"
"os"
"github.com/containernetworking/cni/pkg/types/current"
"github.com/containernetworking/plugins/pkg/ip"
"github.com/containernetworking/plugins/pkg/utils/sysctl"
"github.com/vishvananda/netlink"
)
const (
DisableIPv6SysctlTemplate = "net.ipv6.conf.%s.disable_ipv6"
)
// ConfigureIface takes the result of IPAM plugin and
// applies to the ifName interface
func ConfigureIface(ifName string, res *current.Result) error {
if len(res.Interfaces) == 0 {
return fmt.Errorf("no interfaces to configure")
}
link, err := netlink.LinkByName(ifName)
if err != nil {
return fmt.Errorf("failed to lookup %q: %v", ifName, err)
}
if err := netlink.LinkSetUp(link); err != nil {
return fmt.Errorf("failed to set %q UP: %v", ifName, err)
}
var v4gw, v6gw net.IP
var has_enabled_ipv6 bool = false
for _, ipc := range res.IPs {
if ipc.Interface == nil {
continue
}
intIdx := *ipc.Interface
if intIdx < 0 || intIdx >= len(res.Interfaces) || res.Interfaces[intIdx].Name != ifName {
// IP address is for a different interface
return fmt.Errorf("failed to add IP addr %v to %q: invalid interface index", ipc, ifName)
}
// Make sure sysctl "disable_ipv6" is 0 if we are about to add
// an IPv6 address to the interface
if !has_enabled_ipv6 && ipc.Version == "6" {
// Enabled IPv6 for loopback "lo" and the interface
// being configured
for _, iface := range [2]string{"lo", ifName} {
ipv6SysctlValueName := fmt.Sprintf(DisableIPv6SysctlTemplate, iface)
// Read current sysctl value
value, err := sysctl.Sysctl(ipv6SysctlValueName)
if err != nil || value == "0" {
// FIXME: log warning if unable to read sysctl value
continue
}
// Write sysctl to enable IPv6
_, err = sysctl.Sysctl(ipv6SysctlValueName, "0")
if err != nil {
return fmt.Errorf("failed to enable IPv6 for interface %q (%s=%s): %v", iface, ipv6SysctlValueName, value, err)
}
}
has_enabled_ipv6 = true
}
addr := &netlink.Addr{IPNet: &ipc.Address, Label: ""}
if err = netlink.AddrAdd(link, addr); err != nil {
return fmt.Errorf("failed to add IP addr %v to %q: %v", ipc, ifName, err)
}
gwIsV4 := ipc.Gateway.To4() != nil
if gwIsV4 && v4gw == nil {
v4gw = ipc.Gateway
} else if !gwIsV4 && v6gw == nil {
v6gw = ipc.Gateway
}
}
if v6gw != nil {
ip.SettleAddresses(ifName, 10)
}
for _, r := range res.Routes {
routeIsV4 := r.Dst.IP.To4() != nil
gw := r.GW
if gw == nil {
if routeIsV4 && v4gw != nil {
gw = v4gw
} else if !routeIsV4 && v6gw != nil {
gw = v6gw
}
}
if err = ip.AddRoute(&r.Dst, gw, link); err != nil {
// we skip over duplicate routes as we assume the first one wins
if !os.IsExist(err) {
return fmt.Errorf("failed to add route '%v via %v dev %v': %v", r.Dst, gw, ifName, err)
}
}
}
return nil
}

26
vendor/github.com/containernetworking/plugins/pkg/utils/buildversion/buildversion.go generated vendored
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@ -1,26 +0,0 @@
// Copyright 2019 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Buildversion is a destination for the linker trickery so we can auto
// set the build-version
package buildversion
import "fmt"
// This is overridden in the linker script
var BuildVersion = "version unknown"
func BuildString(pluginName string) string {
return fmt.Sprintf("CNI %s plugin %s", pluginName, BuildVersion)
}

63
vendor/github.com/containernetworking/plugins/pkg/utils/hwaddr/hwaddr.go generated vendored
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@ -1,63 +0,0 @@
// Copyright 2016 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package hwaddr
import (
"fmt"
"net"
)
const (
ipRelevantByteLen = 4
PrivateMACPrefixString = "0a:58"
)
var (
// private mac prefix safe to use
PrivateMACPrefix = []byte{0x0a, 0x58}
)
type SupportIp4OnlyErr struct{ msg string }
func (e SupportIp4OnlyErr) Error() string { return e.msg }
type MacParseErr struct{ msg string }
func (e MacParseErr) Error() string { return e.msg }
type InvalidPrefixLengthErr struct{ msg string }
func (e InvalidPrefixLengthErr) Error() string { return e.msg }
// GenerateHardwareAddr4 generates 48 bit virtual mac addresses based on the IP4 input.
func GenerateHardwareAddr4(ip net.IP, prefix []byte) (net.HardwareAddr, error) {
switch {
case ip.To4() == nil:
return nil, SupportIp4OnlyErr{msg: "GenerateHardwareAddr4 only supports valid IPv4 address as input"}
case len(prefix) != len(PrivateMACPrefix):
return nil, InvalidPrefixLengthErr{msg: fmt.Sprintf(
"Prefix has length %d instead of %d", len(prefix), len(PrivateMACPrefix)),
}
}
ipByteLen := len(ip)
return (net.HardwareAddr)(
append(
prefix,
ip[ipByteLen-ipRelevantByteLen:ipByteLen]...),
), nil
}

56
vendor/github.com/containernetworking/plugins/pkg/utils/sysctl/sysctl_linux.go generated vendored
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@ -1,56 +0,0 @@
// Copyright 2016 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package sysctl
import (
"fmt"
"io/ioutil"
"path/filepath"
"strings"
)
// Sysctl provides a method to set/get values from /proc/sys - in linux systems
// new interface to set/get values of variables formerly handled by sysctl syscall
// If optional `params` have only one string value - this function will
// set this value into corresponding sysctl variable
func Sysctl(name string, params ...string) (string, error) {
if len(params) > 1 {
return "", fmt.Errorf("unexcepted additional parameters")
} else if len(params) == 1 {
return setSysctl(name, params[0])
}
return getSysctl(name)
}
func getSysctl(name string) (string, error) {
fullName := filepath.Join("/proc/sys", strings.Replace(name, ".", "/", -1))
fullName = filepath.Clean(fullName)
data, err := ioutil.ReadFile(fullName)
if err != nil {
return "", err
}
return string(data[:len(data)-1]), nil
}
func setSysctl(name, value string) (string, error) {
fullName := filepath.Join("/proc/sys", strings.Replace(name, ".", "/", -1))
fullName = filepath.Clean(fullName)
if err := ioutil.WriteFile(fullName, []byte(value), 0644); err != nil {
return "", err
}
return getSysctl(name)
}

60
vendor/github.com/containernetworking/plugins/pkg/utils/utils.go generated vendored
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@ -1,60 +0,0 @@
// Copyright 2016 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package utils
import (
"crypto/sha512"
"fmt"
)
const (
maxChainLength = 28
chainPrefix = "CNI-"
)
// FormatChainName generates a chain name to be used
// with iptables. Ensures that the generated chain
// name is exactly maxChainLength chars in length.
func FormatChainName(name string, id string) string {
return MustFormatChainNameWithPrefix(name, id, "")
}
// MustFormatChainNameWithPrefix generates a chain name similar
// to FormatChainName, but adds a custom prefix between
// chainPrefix and unique identifier. Ensures that the
// generated chain name is exactly maxChainLength chars in length.
// Panics if the given prefix is too long.
func MustFormatChainNameWithPrefix(name string, id string, prefix string) string {
return MustFormatHashWithPrefix(maxChainLength, chainPrefix+prefix, name+id)
}
// FormatComment returns a comment used for easier
// rule identification within iptables.
func FormatComment(name string, id string) string {
return fmt.Sprintf("name: %q id: %q", name, id)
}
const MaxHashLen = sha512.Size * 2
// MustFormatHashWithPrefix returns a string of given length that begins with the
// given prefix. It is filled with entropy based on the given string toHash.
func MustFormatHashWithPrefix(length int, prefix string, toHash string) string {
if len(prefix) >= length || length > MaxHashLen {
panic("invalid length")
}
output := sha512.Sum512([]byte(toHash))
return fmt.Sprintf("%s%x", prefix, output)[:length]
}

142
vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/README.md generated vendored
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@ -1,142 +0,0 @@
# host-local IP address management plugin
host-local IPAM allocates IPv4 and IPv6 addresses out of a specified address range. Optionally,
it can include a DNS configuration from a `resolv.conf` file on the host.
## Overview
host-local IPAM plugin allocates ip addresses out of a set of address ranges.
It stores the state locally on the host filesystem, therefore ensuring uniqueness of IP addresses on a single host.
The allocator can allocate multiple ranges, and supports sets of multiple (disjoint)
subnets. The allocation strategy is loosely round-robin within each range set.
## Example configurations
Note that the key `ranges` is a list of range sets. That is to say, the length
of the top-level array is the number of addresses returned. The second-level
array is a set of subnets to use as a pool of possible addresses.
This example configuration returns 2 IP addresses.
```json
{
"ipam": {
"type": "host-local",
"ranges": [
[
{
"subnet": "10.10.0.0/16",
"rangeStart": "10.10.1.20",
"rangeEnd": "10.10.3.50",
"gateway": "10.10.0.254"
},
{
"subnet": "172.16.5.0/24"
}
],
[
{
"subnet": "3ffe:ffff:0:01ff::/64",
"rangeStart": "3ffe:ffff:0:01ff::0010",
"rangeEnd": "3ffe:ffff:0:01ff::0020"
}
]
],
"routes": [
{ "dst": "0.0.0.0/0" },
{ "dst": "192.168.0.0/16", "gw": "10.10.5.1" },
{ "dst": "3ffe:ffff:0:01ff::1/64" }
],
"dataDir": "/run/my-orchestrator/container-ipam-state"
}
}
```
Previous versions of the `host-local` allocator did not support the `ranges`
property, and instead expected a single range on the top level. This is
deprecated but still supported.
```json
{
"ipam": {
"type": "host-local",
"subnet": "3ffe:ffff:0:01ff::/64",
"rangeStart": "3ffe:ffff:0:01ff::0010",
"rangeEnd": "3ffe:ffff:0:01ff::0020",
"routes": [
{ "dst": "3ffe:ffff:0:01ff::1/64" }
],
"resolvConf": "/etc/resolv.conf"
}
}
```
We can test it out on the command-line:
```bash
$ echo '{ "cniVersion": "0.3.1", "name": "examplenet", "ipam": { "type": "host-local", "ranges": [ [{"subnet": "203.0.113.0/24"}], [{"subnet": "2001:db8:1::/64"}]], "dataDir": "/tmp/cni-example" } }' | CNI_COMMAND=ADD CNI_CONTAINERID=example CNI_NETNS=/dev/null CNI_IFNAME=dummy0 CNI_PATH=. ./host-local
```
```json
{
"ips": [
{
"version": "4",
"address": "203.0.113.2/24",
"gateway": "203.0.113.1"
},
{
"version": "6",
"address": "2001:db8:1::2/64",
"gateway": "2001:db8:1::1"
}
],
"dns": {}
}
```
## Network configuration reference
* `type` (string, required): "host-local".
* `routes` (string, optional): list of routes to add to the container namespace. Each route is a dictionary with "dst" and optional "gw" fields. If "gw" is omitted, value of "gateway" will be used.
* `resolvConf` (string, optional): Path to a `resolv.conf` on the host to parse and return as the DNS configuration
* `dataDir` (string, optional): Path to a directory to use for maintaining state, e.g. which IPs have been allocated to which containers
* `ranges`, (array, required, nonempty) an array of arrays of range objects:
* `subnet` (string, required): CIDR block to allocate out of.
* `rangeStart` (string, optional): IP inside of "subnet" from which to start allocating addresses. Defaults to ".2" IP inside of the "subnet" block.
* `rangeEnd` (string, optional): IP inside of "subnet" with which to end allocating addresses. Defaults to ".254" IP inside of the "subnet" block for ipv4, ".255" for IPv6
* `gateway` (string, optional): IP inside of "subnet" to designate as the gateway. Defaults to ".1" IP inside of the "subnet" block.
Older versions of the `host-local` plugin did not support the `ranges` array. Instead,
all the properties in the `range` object were top-level. This is still supported but deprecated.
## Supported arguments
The following [CNI_ARGS](https://github.com/containernetworking/cni/blob/master/SPEC.md#parameters) are supported:
* `ip`: request a specific IP address from a subnet.
The following [args conventions](https://github.com/containernetworking/cni/blob/master/CONVENTIONS.md) are supported:
* `ips` (array of strings): A list of custom IPs to attempt to allocate
The following [Capability Args](https://github.com/containernetworking/cni/blob/master/CONVENTIONS.md) are supported:
* `ipRanges`: The exact same as the `ranges` array - a list of address pools
### Custom IP allocation
For every requested custom IP, the `host-local` allocator will request that IP
if it falls within one of the `range` objects. Thus it is possible to specify
multiple custom IPs and multiple ranges.
If any requested IPs cannot be reserved, either because they are already in use
or are not part of a specified range, the plugin will return an error.
## Files
Allocated IP addresses are stored as files in `/var/lib/cni/networks/$NETWORK_NAME`.
The path can be customized with the `dataDir` option listed above. Environments
where IPs are released automatically on reboot (e.g. running containers are not
restored) may wish to specify `/var/run/cni` or another tmpfs mounted directory
instead.

228
vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/allocator/allocator.go generated vendored
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@ -1,228 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package allocator
import (
"fmt"
"log"
"net"
"os"
"strconv"
"github.com/containernetworking/cni/pkg/types/current"
"github.com/containernetworking/plugins/pkg/ip"
"github.com/containernetworking/plugins/plugins/ipam/host-local/backend"
)
type IPAllocator struct {
rangeset *RangeSet
store backend.Store
rangeID string // Used for tracking last reserved ip
}
func NewIPAllocator(s *RangeSet, store backend.Store, id int) *IPAllocator {
return &IPAllocator{
rangeset: s,
store: store,
rangeID: strconv.Itoa(id),
}
}
// Get allocates an IP
func (a *IPAllocator) Get(id string, ifname string, requestedIP net.IP) (*current.IPConfig, error) {
a.store.Lock()
defer a.store.Unlock()
var reservedIP *net.IPNet
var gw net.IP
if requestedIP != nil {
if err := canonicalizeIP(&requestedIP); err != nil {
return nil, err
}
r, err := a.rangeset.RangeFor(requestedIP)
if err != nil {
return nil, err
}
if requestedIP.Equal(r.Gateway) {
return nil, fmt.Errorf("requested ip %s is subnet's gateway", requestedIP.String())
}
reserved, err := a.store.Reserve(id, ifname, requestedIP, a.rangeID)
if err != nil {
return nil, err
}
if !reserved {
return nil, fmt.Errorf("requested IP address %s is not available in range set %s", requestedIP, a.rangeset.String())
}
reservedIP = &net.IPNet{IP: requestedIP, Mask: r.Subnet.Mask}
gw = r.Gateway
} else {
// try to get allocated IPs for this given id, if exists, just return error
// because duplicate allocation is not allowed in SPEC
// https://github.com/containernetworking/cni/blob/master/SPEC.md
allocatedIPs := a.store.GetByID(id, ifname)
for _, allocatedIP := range allocatedIPs {
// check whether the existing IP belong to this range set
if _, err := a.rangeset.RangeFor(allocatedIP); err == nil {
return nil, fmt.Errorf("%s has been allocated to %s, duplicate allocation is not allowed", allocatedIP.String(), id)
}
}
iter, err := a.GetIter()
if err != nil {
return nil, err
}
for {
reservedIP, gw = iter.Next()
if reservedIP == nil {
break
}
reserved, err := a.store.Reserve(id, ifname, reservedIP.IP, a.rangeID)
if err != nil {
return nil, err
}
if reserved {
break
}
}
}
if reservedIP == nil {
return nil, fmt.Errorf("no IP addresses available in range set: %s", a.rangeset.String())
}
version := "4"
if reservedIP.IP.To4() == nil {
version = "6"
}
return &current.IPConfig{
Version: version,
Address: *reservedIP,
Gateway: gw,
}, nil
}
// Release clears all IPs allocated for the container with given ID
func (a *IPAllocator) Release(id string, ifname string) error {
a.store.Lock()
defer a.store.Unlock()
return a.store.ReleaseByID(id, ifname)
}
type RangeIter struct {
rangeset *RangeSet
// The current range id
rangeIdx int
// Our current position
cur net.IP
// The IP and range index where we started iterating; if we hit this again, we're done.
startIP net.IP
startRange int
}
// GetIter encapsulates the strategy for this allocator.
// We use a round-robin strategy, attempting to evenly use the whole set.
// More specifically, a crash-looping container will not see the same IP until
// the entire range has been run through.
// We may wish to consider avoiding recently-released IPs in the future.
func (a *IPAllocator) GetIter() (*RangeIter, error) {
iter := RangeIter{
rangeset: a.rangeset,
}
// Round-robin by trying to allocate from the last reserved IP + 1
startFromLastReservedIP := false
// We might get a last reserved IP that is wrong if the range indexes changed.
// This is not critical, we just lose round-robin this one time.
lastReservedIP, err := a.store.LastReservedIP(a.rangeID)
if err != nil && !os.IsNotExist(err) {
log.Printf("Error retrieving last reserved ip: %v", err)
} else if lastReservedIP != nil {
startFromLastReservedIP = a.rangeset.Contains(lastReservedIP)
}
// Find the range in the set with this IP
if startFromLastReservedIP {
for i, r := range *a.rangeset {
if r.Contains(lastReservedIP) {
iter.rangeIdx = i
iter.startRange = i
// We advance the cursor on every Next(), so the first call
// to next() will return lastReservedIP + 1
iter.cur = lastReservedIP
break
}
}
} else {
iter.rangeIdx = 0
iter.startRange = 0
iter.startIP = (*a.rangeset)[0].RangeStart
}
return &iter, nil
}
// Next returns the next IP, its mask, and its gateway. Returns nil
// if the iterator has been exhausted
func (i *RangeIter) Next() (*net.IPNet, net.IP) {
r := (*i.rangeset)[i.rangeIdx]
// If this is the first time iterating and we're not starting in the middle
// of the range, then start at rangeStart, which is inclusive
if i.cur == nil {
i.cur = r.RangeStart
i.startIP = i.cur
if i.cur.Equal(r.Gateway) {
return i.Next()
}
return &net.IPNet{IP: i.cur, Mask: r.Subnet.Mask}, r.Gateway
}
// If we've reached the end of this range, we need to advance the range
// RangeEnd is inclusive as well
if i.cur.Equal(r.RangeEnd) {
i.rangeIdx += 1
i.rangeIdx %= len(*i.rangeset)
r = (*i.rangeset)[i.rangeIdx]
i.cur = r.RangeStart
} else {
i.cur = ip.NextIP(i.cur)
}
if i.startIP == nil {
i.startIP = i.cur
} else if i.rangeIdx == i.startRange && i.cur.Equal(i.startIP) {
// IF we've looped back to where we started, give up
return nil, nil
}
if i.cur.Equal(r.Gateway) {
return i.Next()
}
return &net.IPNet{IP: i.cur, Mask: r.Subnet.Mask}, r.Gateway
}

160
vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/allocator/config.go generated vendored
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@ -1,160 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package allocator
import (
"encoding/json"
"fmt"
"net"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/cni/pkg/types/020"
)
// The top-level network config - IPAM plugins are passed the full configuration
// of the calling plugin, not just the IPAM section.
type Net struct {
Name string `json:"name"`
CNIVersion string `json:"cniVersion"`
IPAM *IPAMConfig `json:"ipam"`
RuntimeConfig struct { // The capability arg
IPRanges []RangeSet `json:"ipRanges,omitempty"`
} `json:"runtimeConfig,omitempty"`
Args *struct {
A *IPAMArgs `json:"cni"`
} `json:"args"`
}
// IPAMConfig represents the IP related network configuration.
// This nests Range because we initially only supported a single
// range directly, and wish to preserve backwards compatability
type IPAMConfig struct {
*Range
Name string
Type string `json:"type"`
Routes []*types.Route `json:"routes"`
DataDir string `json:"dataDir"`
ResolvConf string `json:"resolvConf"`
Ranges []RangeSet `json:"ranges"`
IPArgs []net.IP `json:"-"` // Requested IPs from CNI_ARGS and args
}
type IPAMEnvArgs struct {
types.CommonArgs
IP net.IP `json:"ip,omitempty"`
}
type IPAMArgs struct {
IPs []net.IP `json:"ips"`
}
type RangeSet []Range
type Range struct {
RangeStart net.IP `json:"rangeStart,omitempty"` // The first ip, inclusive
RangeEnd net.IP `json:"rangeEnd,omitempty"` // The last ip, inclusive
Subnet types.IPNet `json:"subnet"`
Gateway net.IP `json:"gateway,omitempty"`
}
// NewIPAMConfig creates a NetworkConfig from the given network name.
func LoadIPAMConfig(bytes []byte, envArgs string) (*IPAMConfig, string, error) {
n := Net{}
if err := json.Unmarshal(bytes, &n); err != nil {
return nil, "", err
}
if n.IPAM == nil {
return nil, "", fmt.Errorf("IPAM config missing 'ipam' key")
}
// Parse custom IP from both env args *and* the top-level args config
if envArgs != "" {
e := IPAMEnvArgs{}
err := types.LoadArgs(envArgs, &e)
if err != nil {
return nil, "", err
}
if e.IP != nil {
n.IPAM.IPArgs = []net.IP{e.IP}
}
}
if n.Args != nil && n.Args.A != nil && len(n.Args.A.IPs) != 0 {
n.IPAM.IPArgs = append(n.IPAM.IPArgs, n.Args.A.IPs...)
}
for idx := range n.IPAM.IPArgs {
if err := canonicalizeIP(&n.IPAM.IPArgs[idx]); err != nil {
return nil, "", fmt.Errorf("cannot understand ip: %v", err)
}
}
// If a single range (old-style config) is specified, prepend it to
// the Ranges array
if n.IPAM.Range != nil && n.IPAM.Range.Subnet.IP != nil {
n.IPAM.Ranges = append([]RangeSet{{*n.IPAM.Range}}, n.IPAM.Ranges...)
}
n.IPAM.Range = nil
// If a range is supplied as a runtime config, prepend it to the Ranges
if len(n.RuntimeConfig.IPRanges) > 0 {
n.IPAM.Ranges = append(n.RuntimeConfig.IPRanges, n.IPAM.Ranges...)
}
if len(n.IPAM.Ranges) == 0 {
return nil, "", fmt.Errorf("no IP ranges specified")
}
// Validate all ranges
numV4 := 0
numV6 := 0
for i := range n.IPAM.Ranges {
if err := n.IPAM.Ranges[i].Canonicalize(); err != nil {
return nil, "", fmt.Errorf("invalid range set %d: %s", i, err)
}
if n.IPAM.Ranges[i][0].RangeStart.To4() != nil {
numV4++
} else {
numV6++
}
}
// CNI spec 0.2.0 and below supported only one v4 and v6 address
if numV4 > 1 || numV6 > 1 {
for _, v := range types020.SupportedVersions {
if n.CNIVersion == v {
return nil, "", fmt.Errorf("CNI version %v does not support more than 1 address per family", n.CNIVersion)
}
}
}
// Check for overlaps
l := len(n.IPAM.Ranges)
for i, p1 := range n.IPAM.Ranges[:l-1] {
for j, p2 := range n.IPAM.Ranges[i+1:] {
if p1.Overlaps(&p2) {
return nil, "", fmt.Errorf("range set %d overlaps with %d", i, (i + j + 1))
}
}
}
// Copy net name into IPAM so not to drag Net struct around
n.IPAM.Name = n.Name
return n.IPAM, n.CNIVersion, nil
}

166
vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/allocator/range.go generated vendored
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@ -1,166 +0,0 @@
// Copyright 2017 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package allocator
import (
"fmt"
"net"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/plugins/pkg/ip"
)
// Canonicalize takes a given range and ensures that all information is consistent,
// filling out Start, End, and Gateway with sane values if missing
func (r *Range) Canonicalize() error {
if err := canonicalizeIP(&r.Subnet.IP); err != nil {
return err
}
// Can't create an allocator for a network with no addresses, eg
// a /32 or /31
ones, masklen := r.Subnet.Mask.Size()
if ones > masklen-2 {
return fmt.Errorf("Network %s too small to allocate from", (*net.IPNet)(&r.Subnet).String())
}
if len(r.Subnet.IP) != len(r.Subnet.Mask) {
return fmt.Errorf("IPNet IP and Mask version mismatch")
}
// Ensure Subnet IP is the network address, not some other address
networkIP := r.Subnet.IP.Mask(r.Subnet.Mask)
if !r.Subnet.IP.Equal(networkIP) {
return fmt.Errorf("Network has host bits set. For a subnet mask of length %d the network address is %s", ones, networkIP.String())
}
// If the gateway is nil, claim .1
if r.Gateway == nil {
r.Gateway = ip.NextIP(r.Subnet.IP)
} else {
if err := canonicalizeIP(&r.Gateway); err != nil {
return err
}
}
// RangeStart: If specified, make sure it's sane (inside the subnet),
// otherwise use the first free IP (i.e. .1) - this will conflict with the
// gateway but we skip it in the iterator
if r.RangeStart != nil {
if err := canonicalizeIP(&r.RangeStart); err != nil {
return err
}
if !r.Contains(r.RangeStart) {
return fmt.Errorf("RangeStart %s not in network %s", r.RangeStart.String(), (*net.IPNet)(&r.Subnet).String())
}
} else {
r.RangeStart = ip.NextIP(r.Subnet.IP)
}
// RangeEnd: If specified, verify sanity. Otherwise, add a sensible default
// (e.g. for a /24: .254 if IPv4, ::255 if IPv6)
if r.RangeEnd != nil {
if err := canonicalizeIP(&r.RangeEnd); err != nil {
return err
}
if !r.Contains(r.RangeEnd) {
return fmt.Errorf("RangeEnd %s not in network %s", r.RangeEnd.String(), (*net.IPNet)(&r.Subnet).String())
}
} else {
r.RangeEnd = lastIP(r.Subnet)
}
return nil
}
// IsValidIP checks if a given ip is a valid, allocatable address in a given Range
func (r *Range) Contains(addr net.IP) bool {
if err := canonicalizeIP(&addr); err != nil {
return false
}
subnet := (net.IPNet)(r.Subnet)
// Not the same address family
if len(addr) != len(r.Subnet.IP) {
return false
}
// Not in network
if !subnet.Contains(addr) {
return false
}
// We ignore nils here so we can use this function as we initialize the range.
if r.RangeStart != nil {
// Before the range start
if ip.Cmp(addr, r.RangeStart) < 0 {
return false
}
}
if r.RangeEnd != nil {
if ip.Cmp(addr, r.RangeEnd) > 0 {
// After the range end
return false
}
}
return true
}
// Overlaps returns true if there is any overlap between ranges
func (r *Range) Overlaps(r1 *Range) bool {
// different familes
if len(r.RangeStart) != len(r1.RangeStart) {
return false
}
return r.Contains(r1.RangeStart) ||
r.Contains(r1.RangeEnd) ||
r1.Contains(r.RangeStart) ||
r1.Contains(r.RangeEnd)
}
func (r *Range) String() string {
return fmt.Sprintf("%s-%s", r.RangeStart.String(), r.RangeEnd.String())
}
// canonicalizeIP makes sure a provided ip is in standard form
func canonicalizeIP(ip *net.IP) error {
if ip.To4() != nil {
*ip = ip.To4()
return nil
} else if ip.To16() != nil {
*ip = ip.To16()
return nil
}
return fmt.Errorf("IP %s not v4 nor v6", *ip)
}
// Determine the last IP of a subnet, excluding the broadcast if IPv4
func lastIP(subnet types.IPNet) net.IP {
var end net.IP
for i := 0; i < len(subnet.IP); i++ {
end = append(end, subnet.IP[i]|^subnet.Mask[i])
}
if subnet.IP.To4() != nil {
end[3]--
}
return end
}

97
vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/allocator/range_set.go generated vendored
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@ -1,97 +0,0 @@
// Copyright 2017 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package allocator
import (
"fmt"
"net"
"strings"
)
// Contains returns true if any range in this set contains an IP
func (s *RangeSet) Contains(addr net.IP) bool {
r, _ := s.RangeFor(addr)
return r != nil
}
// RangeFor finds the range that contains an IP, or nil if not found
func (s *RangeSet) RangeFor(addr net.IP) (*Range, error) {
if err := canonicalizeIP(&addr); err != nil {
return nil, err
}
for _, r := range *s {
if r.Contains(addr) {
return &r, nil
}
}
return nil, fmt.Errorf("%s not in range set %s", addr.String(), s.String())
}
// Overlaps returns true if any ranges in any set overlap with this one
func (s *RangeSet) Overlaps(p1 *RangeSet) bool {
for _, r := range *s {
for _, r1 := range *p1 {
if r.Overlaps(&r1) {
return true
}
}
}
return false
}
// Canonicalize ensures the RangeSet is in a standard form, and detects any
// invalid input. Call Range.Canonicalize() on every Range in the set
func (s *RangeSet) Canonicalize() error {
if len(*s) == 0 {
return fmt.Errorf("empty range set")
}
fam := 0
for i := range *s {
if err := (*s)[i].Canonicalize(); err != nil {
return err
}
if i == 0 {
fam = len((*s)[i].RangeStart)
} else {
if fam != len((*s)[i].RangeStart) {
return fmt.Errorf("mixed address families")
}
}
}
// Make sure none of the ranges in the set overlap
l := len(*s)
for i, r1 := range (*s)[:l-1] {
for _, r2 := range (*s)[i+1:] {
if r1.Overlaps(&r2) {
return fmt.Errorf("subnets %s and %s overlap", r1.String(), r2.String())
}
}
}
return nil
}
func (s *RangeSet) String() string {
out := []string{}
for _, r := range *s {
out = append(out, r.String())
}
return strings.Join(out, ",")
}

209
vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/disk/backend.go generated vendored
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@ -1,209 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package disk
import (
"io/ioutil"
"net"
"os"
"path/filepath"
"runtime"
"strings"
"github.com/containernetworking/plugins/plugins/ipam/host-local/backend"
)
const lastIPFilePrefix = "last_reserved_ip."
const LineBreak = "\r\n"
var defaultDataDir = "/var/lib/cni/networks"
// Store is a simple disk-backed store that creates one file per IP
// address in a given directory. The contents of the file are the container ID.
type Store struct {
*FileLock
dataDir string
}
// Store implements the Store interface
var _ backend.Store = &Store{}
func New(network, dataDir string) (*Store, error) {
if dataDir == "" {
dataDir = defaultDataDir
}
dir := filepath.Join(dataDir, network)
if err := os.MkdirAll(dir, 0755); err != nil {
return nil, err
}
lk, err := NewFileLock(dir)
if err != nil {
return nil, err
}
return &Store{lk, dir}, nil
}
func (s *Store) Reserve(id string, ifname string, ip net.IP, rangeID string) (bool, error) {
fname := GetEscapedPath(s.dataDir, ip.String())
f, err := os.OpenFile(fname, os.O_RDWR|os.O_EXCL|os.O_CREATE, 0644)
if os.IsExist(err) {
return false, nil
}
if err != nil {
return false, err
}
if _, err := f.WriteString(strings.TrimSpace(id) + LineBreak + ifname); err != nil {
f.Close()
os.Remove(f.Name())
return false, err
}
if err := f.Close(); err != nil {
os.Remove(f.Name())
return false, err
}
// store the reserved ip in lastIPFile
ipfile := GetEscapedPath(s.dataDir, lastIPFilePrefix+rangeID)
err = ioutil.WriteFile(ipfile, []byte(ip.String()), 0644)
if err != nil {
return false, err
}
return true, nil
}
// LastReservedIP returns the last reserved IP if exists
func (s *Store) LastReservedIP(rangeID string) (net.IP, error) {
ipfile := GetEscapedPath(s.dataDir, lastIPFilePrefix+rangeID)
data, err := ioutil.ReadFile(ipfile)
if err != nil {
return nil, err
}
return net.ParseIP(string(data)), nil
}
func (s *Store) Release(ip net.IP) error {
return os.Remove(GetEscapedPath(s.dataDir, ip.String()))
}
func (s *Store) FindByKey(id string, ifname string, match string) (bool, error) {
found := false
err := filepath.Walk(s.dataDir, func(path string, info os.FileInfo, err error) error {
if err != nil || info.IsDir() {
return nil
}
data, err := ioutil.ReadFile(path)
if err != nil {
return nil
}
if strings.TrimSpace(string(data)) == match {
found = true
}
return nil
})
return found, err
}
func (s *Store) FindByID(id string, ifname string) bool {
s.Lock()
defer s.Unlock()
found := false
match := strings.TrimSpace(id) + LineBreak + ifname
found, err := s.FindByKey(id, ifname, match)
// Match anything created by this id
if !found && err == nil {
match := strings.TrimSpace(id)
found, err = s.FindByKey(id, ifname, match)
}
return found
}
func (s *Store) ReleaseByKey(id string, ifname string, match string) (bool, error) {
found := false
err := filepath.Walk(s.dataDir, func(path string, info os.FileInfo, err error) error {
if err != nil || info.IsDir() {
return nil
}
data, err := ioutil.ReadFile(path)
if err != nil {
return nil
}
if strings.TrimSpace(string(data)) == match {
if err := os.Remove(path); err != nil {
return nil
}
found = true
}
return nil
})
return found, err
}
// N.B. This function eats errors to be tolerant and
// release as much as possible
func (s *Store) ReleaseByID(id string, ifname string) error {
found := false
match := strings.TrimSpace(id) + LineBreak + ifname
found, err := s.ReleaseByKey(id, ifname, match)
// For backwards compatibility, look for files written by a previous version
if !found && err == nil {
match := strings.TrimSpace(id)
found, err = s.ReleaseByKey(id, ifname, match)
}
return err
}
// GetByID returns the IPs which have been allocated to the specific ID
func (s *Store) GetByID(id string, ifname string) []net.IP {
var ips []net.IP
match := strings.TrimSpace(id) + LineBreak + ifname
// matchOld for backwards compatibility
matchOld := strings.TrimSpace(id)
// walk through all ips in this network to get the ones which belong to a specific ID
_ = filepath.Walk(s.dataDir, func(path string, info os.FileInfo, err error) error {
if err != nil || info.IsDir() {
return nil
}
data, err := ioutil.ReadFile(path)
if err != nil {
return nil
}
if strings.TrimSpace(string(data)) == match || strings.TrimSpace(string(data)) == matchOld {
_, ipString := filepath.Split(path)
if ip := net.ParseIP(ipString); ip != nil {
ips = append(ips, ip)
}
}
return nil
})
return ips
}
func GetEscapedPath(dataDir string, fname string) string {
if runtime.GOOS == "windows" {
fname = strings.Replace(fname, ":", "_", -1)
}
return filepath.Join(dataDir, fname)
}

59
vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/disk/lock.go generated vendored
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@ -1,59 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package disk
import (
"github.com/alexflint/go-filemutex"
"os"
"path"
)
// FileLock wraps os.File to be used as a lock using flock
type FileLock struct {
f *filemutex.FileMutex
}
// NewFileLock opens file/dir at path and returns unlocked FileLock object
func NewFileLock(lockPath string) (*FileLock, error) {
fi, err := os.Stat(lockPath)
if err != nil {
return nil, err
}
if fi.IsDir() {
lockPath = path.Join(lockPath, "lock")
}
f, err := filemutex.New(lockPath)
if err != nil {
return nil, err
}
return &FileLock{f}, nil
}
func (l *FileLock) Close() error {
return l.f.Close()
}
// Lock acquires an exclusive lock
func (l *FileLock) Lock() error {
return l.f.Lock()
}
// Unlock releases the lock
func (l *FileLock) Unlock() error {
return l.f.Unlock()
}

28
vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/backend/store.go generated vendored
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@ -1,28 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package backend
import "net"
type Store interface {
Lock() error
Unlock() error
Close() error
Reserve(id string, ifname string, ip net.IP, rangeID string) (bool, error)
LastReservedIP(rangeID string) (net.IP, error)
Release(ip net.IP) error
ReleaseByID(id string, ifname string) error
GetByID(id string, ifname string) []net.IP
}

64
vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/dns.go generated vendored
View File

@ -1,64 +0,0 @@
// Copyright 2016 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package hostlocal
import (
"bufio"
"os"
"strings"
"github.com/containernetworking/cni/pkg/types"
)
// parseResolvConf parses an existing resolv.conf in to a DNS struct
func parseResolvConf(filename string) (*types.DNS, error) {
fp, err := os.Open(filename)
if err != nil {
return nil, err
}
dns := types.DNS{}
scanner := bufio.NewScanner(fp)
for scanner.Scan() {
line := scanner.Text()
line = strings.TrimSpace(line)
// Skip comments, empty lines
if len(line) == 0 || line[0] == '#' || line[0] == ';' {
continue
}
fields := strings.Fields(line)
if len(fields) < 2 {
continue
}
switch fields[0] {
case "nameserver":
dns.Nameservers = append(dns.Nameservers, fields[1])
case "domain":
dns.Domain = fields[1]
case "search":
dns.Search = append(dns.Search, fields[1:]...)
case "options":
dns.Options = append(dns.Options, fields[1:]...)
}
}
if err := scanner.Err(); err != nil {
return nil, err
}
return &dns, nil
}

173
vendor/github.com/containernetworking/plugins/plugins/ipam/host-local/main.go generated vendored
View File

@ -1,173 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package hostlocal
import (
"encoding/json"
"fmt"
"net"
"strings"
bv "github.com/containernetworking/plugins/pkg/utils/buildversion"
"github.com/containernetworking/plugins/plugins/ipam/host-local/backend/allocator"
"github.com/containernetworking/plugins/plugins/ipam/host-local/backend/disk"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/cni/pkg/types/current"
"github.com/containernetworking/cni/pkg/version"
)
func Main() {
skel.PluginMain(cmdAdd, cmdCheck, cmdDel, version.All, bv.BuildString("host-local"))
}
func loadNetConf(bytes []byte) (*types.NetConf, string, error) {
n := &types.NetConf{}
if err := json.Unmarshal(bytes, n); err != nil {
return nil, "", fmt.Errorf("failed to load netconf: %v", err)
}
return n, n.CNIVersion, nil
}
func cmdCheck(args *skel.CmdArgs) error {
ipamConf, _, err := allocator.LoadIPAMConfig(args.StdinData, args.Args)
if err != nil {
return err
}
// Look to see if there is at least one IP address allocated to the container
// in the data dir, irrespective of what that address actually is
store, err := disk.New(ipamConf.Name, ipamConf.DataDir)
if err != nil {
return err
}
defer store.Close()
containerIpFound := store.FindByID(args.ContainerID, args.IfName)
if containerIpFound == false {
return fmt.Errorf("host-local: Failed to find address added by container %v", args.ContainerID)
}
return nil
}
func cmdAdd(args *skel.CmdArgs) error {
ipamConf, confVersion, err := allocator.LoadIPAMConfig(args.StdinData, args.Args)
if err != nil {
return err
}
result := &current.Result{}
if ipamConf.ResolvConf != "" {
dns, err := parseResolvConf(ipamConf.ResolvConf)
if err != nil {
return err
}
result.DNS = *dns
}
store, err := disk.New(ipamConf.Name, ipamConf.DataDir)
if err != nil {
return err
}
defer store.Close()
// Keep the allocators we used, so we can release all IPs if an error
// occurs after we start allocating
allocs := []*allocator.IPAllocator{}
// Store all requested IPs in a map, so we can easily remove ones we use
// and error if some remain
requestedIPs := map[string]net.IP{} //net.IP cannot be a key
for _, ip := range ipamConf.IPArgs {
requestedIPs[ip.String()] = ip
}
for idx, rangeset := range ipamConf.Ranges {
allocator := allocator.NewIPAllocator(&rangeset, store, idx)
// Check to see if there are any custom IPs requested in this range.
var requestedIP net.IP
for k, ip := range requestedIPs {
if rangeset.Contains(ip) {
requestedIP = ip
delete(requestedIPs, k)
break
}
}
ipConf, err := allocator.Get(args.ContainerID, args.IfName, requestedIP)
if err != nil {
// Deallocate all already allocated IPs
for _, alloc := range allocs {
_ = alloc.Release(args.ContainerID, args.IfName)
}
return fmt.Errorf("failed to allocate for range %d: %v", idx, err)
}
allocs = append(allocs, allocator)
result.IPs = append(result.IPs, ipConf)
}
// If an IP was requested that wasn't fulfilled, fail
if len(requestedIPs) != 0 {
for _, alloc := range allocs {
_ = alloc.Release(args.ContainerID, args.IfName)
}
errstr := "failed to allocate all requested IPs:"
for _, ip := range requestedIPs {
errstr = errstr + " " + ip.String()
}
return fmt.Errorf(errstr)
}
result.Routes = ipamConf.Routes
return types.PrintResult(result, confVersion)
}
func cmdDel(args *skel.CmdArgs) error {
ipamConf, _, err := allocator.LoadIPAMConfig(args.StdinData, args.Args)
if err != nil {
return err
}
store, err := disk.New(ipamConf.Name, ipamConf.DataDir)
if err != nil {
return err
}
defer store.Close()
// Loop through all ranges, releasing all IPs, even if an error occurs
var errors []string
for idx, rangeset := range ipamConf.Ranges {
ipAllocator := allocator.NewIPAllocator(&rangeset, store, idx)
err := ipAllocator.Release(args.ContainerID, args.IfName)
if err != nil {
errors = append(errors, err.Error())
}
}
if errors != nil {
return fmt.Errorf(strings.Join(errors, ";"))
}
return nil
}

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vendor/github.com/containernetworking/plugins/plugins/main/bridge/README.md generated vendored
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@ -1,59 +0,0 @@
# bridge plugin
## Overview
With bridge plugin, all containers (on the same host) are plugged into a bridge (virtual switch) that resides in the host network namespace.
The containers receive one end of the veth pair with the other end connected to the bridge.
An IP address is only assigned to one end of the veth pair -- one residing in the container.
The bridge itself can also be assigned an IP address, turning it into a gateway for the containers.
Alternatively, the bridge can function purely in L2 mode and would need to be bridged to the host network interface (if other than container-to-container communication on the same host is desired).
The network configuration specifies the name of the bridge to be used.
If the bridge is missing, the plugin will create one on first use and, if gateway mode is used, assign it an IP that was returned by IPAM plugin via the gateway field.
## Example configuration
```
{
"name": "mynet",
"type": "bridge",
"bridge": "mynet0",
"isDefaultGateway": true,
"forceAddress": false,
"ipMasq": true,
"hairpinMode": true,
"ipam": {
"type": "host-local",
"subnet": "10.10.0.0/16"
}
}
```
## Example L2-only configuration
```
{
"cniVersion": "0.3.1",
"name": "mynet",
"type": "bridge",
"bridge": "mynet0",
"ipam": {}
}
```
## Network configuration reference
* `name` (string, required): the name of the network.
* `type` (string, required): "bridge".
* `bridge` (string, optional): name of the bridge to use/create. Defaults to "cni0".
* `isGateway` (boolean, optional): assign an IP address to the bridge. Defaults to false.
* `isDefaultGateway` (boolean, optional): Sets isGateway to true and makes the assigned IP the default route. Defaults to false.
* `forceAddress` (boolean, optional): Indicates if a new IP address should be set if the previous value has been changed. Defaults to false.
* `ipMasq` (boolean, optional): set up IP Masquerade on the host for traffic originating from this network and destined outside of it. Defaults to false.
* `mtu` (integer, optional): explicitly set MTU to the specified value. Defaults to the value chosen by the kernel.
* `hairpinMode` (boolean, optional): set hairpin mode for interfaces on the bridge. Defaults to false.
* `ipam` (dictionary, required): IPAM configuration to be used for this network. For L2-only network, create empty dictionary.
* `promiscMode` (boolean, optional): set promiscuous mode on the bridge. Defaults to false.
* `vlan` (int, optional): assign VLAN tag. Defaults to none.
*Note:* The VLAN parameter configures the VLAN tag on the host end of the veth and also enables the vlan_filtering feature on the bridge interface.
*Note:* To configure uplink for L2 network you need to allow the vlan on the uplink interface by using the following command ``` bridge vlan add vid VLAN_ID dev DEV```.

861
vendor/github.com/containernetworking/plugins/plugins/main/bridge/bridge.go generated vendored
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@ -1,861 +0,0 @@
// Copyright 2014 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package bridge
import (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net"
"runtime"
"syscall"
"github.com/j-keck/arping"
"github.com/vishvananda/netlink"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/cni/pkg/types/current"
"github.com/containernetworking/cni/pkg/version"
"github.com/containernetworking/plugins/pkg/ip"
"github.com/containernetworking/plugins/pkg/ipam"
"github.com/containernetworking/plugins/pkg/ns"
"github.com/containernetworking/plugins/pkg/utils"
bv "github.com/containernetworking/plugins/pkg/utils/buildversion"
)
// For testcases to force an error after IPAM has been performed
var debugPostIPAMError error
const defaultBrName = "cni0"
type NetConf struct {
types.NetConf
BrName string `json:"bridge"`
IsGW bool `json:"isGateway"`
IsDefaultGW bool `json:"isDefaultGateway"`
ForceAddress bool `json:"forceAddress"`
IPMasq bool `json:"ipMasq"`
MTU int `json:"mtu"`
HairpinMode bool `json:"hairpinMode"`
PromiscMode bool `json:"promiscMode"`
Vlan int `json:"vlan"`
}
type gwInfo struct {
gws []net.IPNet
family int
defaultRouteFound bool
}
func init() {
// this ensures that main runs only on main thread (thread group leader).
// since namespace ops (unshare, setns) are done for a single thread, we
// must ensure that the goroutine does not jump from OS thread to thread
runtime.LockOSThread()
}
func loadNetConf(bytes []byte) (*NetConf, string, error) {
n := &NetConf{
BrName: defaultBrName,
}
if err := json.Unmarshal(bytes, n); err != nil {
return nil, "", fmt.Errorf("failed to load netconf: %v", err)
}
return n, n.CNIVersion, nil
}
// calcGateways processes the results from the IPAM plugin and does the
// following for each IP family:
// - Calculates and compiles a list of gateway addresses
// - Adds a default route if needed
func calcGateways(result *current.Result, n *NetConf) (*gwInfo, *gwInfo, error) {
gwsV4 := &gwInfo{}
gwsV6 := &gwInfo{}
for _, ipc := range result.IPs {
// Determine if this config is IPv4 or IPv6
var gws *gwInfo
defaultNet := &net.IPNet{}
switch {
case ipc.Address.IP.To4() != nil:
gws = gwsV4
gws.family = netlink.FAMILY_V4
defaultNet.IP = net.IPv4zero
case len(ipc.Address.IP) == net.IPv6len:
gws = gwsV6
gws.family = netlink.FAMILY_V6
defaultNet.IP = net.IPv6zero
default:
return nil, nil, fmt.Errorf("Unknown IP object: %v", ipc)
}
defaultNet.Mask = net.IPMask(defaultNet.IP)
// All IPs currently refer to the container interface
ipc.Interface = current.Int(2)
// If not provided, calculate the gateway address corresponding
// to the selected IP address
if ipc.Gateway == nil && n.IsGW {
ipc.Gateway = calcGatewayIP(&ipc.Address)
}
// Add a default route for this family using the current
// gateway address if necessary.
if n.IsDefaultGW && !gws.defaultRouteFound {
for _, route := range result.Routes {
if route.GW != nil && defaultNet.String() == route.Dst.String() {
gws.defaultRouteFound = true
break
}
}
if !gws.defaultRouteFound {
result.Routes = append(
result.Routes,
&types.Route{Dst: *defaultNet, GW: ipc.Gateway},
)
gws.defaultRouteFound = true
}
}
// Append this gateway address to the list of gateways
if n.IsGW {
gw := net.IPNet{
IP: ipc.Gateway,
Mask: ipc.Address.Mask,
}
gws.gws = append(gws.gws, gw)
}
}
return gwsV4, gwsV6, nil
}
func ensureAddr(br netlink.Link, family int, ipn *net.IPNet, forceAddress bool) error {
addrs, err := netlink.AddrList(br, family)
if err != nil && err != syscall.ENOENT {
return fmt.Errorf("could not get list of IP addresses: %v", err)
}
ipnStr := ipn.String()
for _, a := range addrs {
// string comp is actually easiest for doing IPNet comps
if a.IPNet.String() == ipnStr {
return nil
}
// Multiple IPv6 addresses are allowed on the bridge if the
// corresponding subnets do not overlap. For IPv4 or for
// overlapping IPv6 subnets, reconfigure the IP address if
// forceAddress is true, otherwise throw an error.
if family == netlink.FAMILY_V4 || a.IPNet.Contains(ipn.IP) || ipn.Contains(a.IPNet.IP) {
if forceAddress {
if err = deleteAddr(br, a.IPNet); err != nil {
return err
}
} else {
return fmt.Errorf("%q already has an IP address different from %v", br.Attrs().Name, ipnStr)
}
}
}
addr := &netlink.Addr{IPNet: ipn, Label: ""}
if err := netlink.AddrAdd(br, addr); err != nil && err != syscall.EEXIST {
return fmt.Errorf("could not add IP address to %q: %v", br.Attrs().Name, err)
}
// Set the bridge's MAC to itself. Otherwise, the bridge will take the
// lowest-numbered mac on the bridge, and will change as ifs churn
if err := netlink.LinkSetHardwareAddr(br, br.Attrs().HardwareAddr); err != nil {
return fmt.Errorf("could not set bridge's mac: %v", err)
}
return nil
}
func deleteAddr(br netlink.Link, ipn *net.IPNet) error {
addr := &netlink.Addr{IPNet: ipn, Label: ""}
if err := netlink.AddrDel(br, addr); err != nil {
return fmt.Errorf("could not remove IP address from %q: %v", br.Attrs().Name, err)
}
return nil
}
func bridgeByName(name string) (*netlink.Bridge, error) {
l, err := netlink.LinkByName(name)
if err != nil {
return nil, fmt.Errorf("could not lookup %q: %v", name, err)
}
br, ok := l.(*netlink.Bridge)
if !ok {
return nil, fmt.Errorf("%q already exists but is not a bridge", name)
}
return br, nil
}
func ensureBridge(brName string, mtu int, promiscMode, vlanFiltering bool) (*netlink.Bridge, error) {
br := &netlink.Bridge{
LinkAttrs: netlink.LinkAttrs{
Name: brName,
MTU: mtu,
// Let kernel use default txqueuelen; leaving it unset
// means 0, and a zero-length TX queue messes up FIFO
// traffic shapers which use TX queue length as the
// default packet limit
TxQLen: -1,
},
VlanFiltering: &vlanFiltering,
}
err := netlink.LinkAdd(br)
if err != nil && err != syscall.EEXIST {
return nil, fmt.Errorf("could not add %q: %v", brName, err)
}
if promiscMode {
if err := netlink.SetPromiscOn(br); err != nil {
return nil, fmt.Errorf("could not set promiscuous mode on %q: %v", brName, err)
}
}
// Re-fetch link to read all attributes and if it already existed,
// ensure it's really a bridge with similar configuration
br, err = bridgeByName(brName)
if err != nil {
return nil, err
}
if err := netlink.LinkSetUp(br); err != nil {
return nil, err
}
return br, nil
}
func ensureVlanInterface(br *netlink.Bridge, vlanId int) (netlink.Link, error) {
name := fmt.Sprintf("%s.%d", br.Name, vlanId)
brGatewayVeth, err := netlink.LinkByName(name)
if err != nil {
if err.Error() != "Link not found" {
return nil, fmt.Errorf("failed to find interface %q: %v", name, err)
}
hostNS, err := ns.GetCurrentNS()
if err != nil {
return nil, fmt.Errorf("faild to find host namespace: %v", err)
}
_, brGatewayIface, err := setupVeth(hostNS, br, name, br.MTU, false, vlanId)
if err != nil {
return nil, fmt.Errorf("faild to create vlan gateway %q: %v", name, err)
}
brGatewayVeth, err = netlink.LinkByName(brGatewayIface.Name)
if err != nil {
return nil, fmt.Errorf("failed to lookup %q: %v", brGatewayIface.Name, err)
}
}
return brGatewayVeth, nil
}
func setupVeth(netns ns.NetNS, br *netlink.Bridge, ifName string, mtu int, hairpinMode bool, vlanID int) (*current.Interface, *current.Interface, error) {
contIface := &current.Interface{}
hostIface := &current.Interface{}
err := netns.Do(func(hostNS ns.NetNS) error {
// create the veth pair in the container and move host end into host netns
hostVeth, containerVeth, err := ip.SetupVeth(ifName, mtu, hostNS)
if err != nil {
return err
}
contIface.Name = containerVeth.Name
contIface.Mac = containerVeth.HardwareAddr.String()
contIface.Sandbox = netns.Path()
hostIface.Name = hostVeth.Name
return nil
})
if err != nil {
return nil, nil, err
}
// need to lookup hostVeth again as its index has changed during ns move
hostVeth, err := netlink.LinkByName(hostIface.Name)
if err != nil {
return nil, nil, fmt.Errorf("failed to lookup %q: %v", hostIface.Name, err)
}
hostIface.Mac = hostVeth.Attrs().HardwareAddr.String()
// connect host veth end to the bridge
if err := netlink.LinkSetMaster(hostVeth, br); err != nil {
return nil, nil, fmt.Errorf("failed to connect %q to bridge %v: %v", hostVeth.Attrs().Name, br.Attrs().Name, err)
}
// set hairpin mode
if err = netlink.LinkSetHairpin(hostVeth, hairpinMode); err != nil {
return nil, nil, fmt.Errorf("failed to setup hairpin mode for %v: %v", hostVeth.Attrs().Name, err)
}
if vlanID != 0 {
err = netlink.BridgeVlanAdd(hostVeth, uint16(vlanID), true, true, false, true)
if err != nil {
return nil, nil, fmt.Errorf("failed to setup vlan tag on interface %q: %v", hostIface.Name, err)
}
}
return hostIface, contIface, nil
}
func calcGatewayIP(ipn *net.IPNet) net.IP {
nid := ipn.IP.Mask(ipn.Mask)
return ip.NextIP(nid)
}
func setupBridge(n *NetConf) (*netlink.Bridge, *current.Interface, error) {
vlanFiltering := false
if n.Vlan != 0 {
vlanFiltering = true
}
// create bridge if necessary
br, err := ensureBridge(n.BrName, n.MTU, n.PromiscMode, vlanFiltering)
if err != nil {
return nil, nil, fmt.Errorf("failed to create bridge %q: %v", n.BrName, err)
}
return br, &current.Interface{
Name: br.Attrs().Name,
Mac: br.Attrs().HardwareAddr.String(),
}, nil
}
// disableIPV6DAD disables IPv6 Duplicate Address Detection (DAD)
// for an interface, if the interface does not support enhanced_dad.
// We do this because interfaces with hairpin mode will see their own DAD packets
func disableIPV6DAD(ifName string) error {
// ehanced_dad sends a nonce with the DAD packets, so that we can safely
// ignore ourselves
enh, err := ioutil.ReadFile(fmt.Sprintf("/proc/sys/net/ipv6/conf/%s/enhanced_dad", ifName))
if err == nil && string(enh) == "1\n" {
return nil
}
f := fmt.Sprintf("/proc/sys/net/ipv6/conf/%s/accept_dad", ifName)
return ioutil.WriteFile(f, []byte("0"), 0644)
}
func enableIPForward(family int) error {
if family == netlink.FAMILY_V4 {
return ip.EnableIP4Forward()
}
return ip.EnableIP6Forward()
}
func cmdAdd(args *skel.CmdArgs) error {
var success bool = false
n, cniVersion, err := loadNetConf(args.StdinData)
if err != nil {
return err
}
isLayer3 := n.IPAM.Type != ""
if n.IsDefaultGW {
n.IsGW = true
}
if n.HairpinMode && n.PromiscMode {
return fmt.Errorf("cannot set hairpin mode and promiscous mode at the same time.")
}
br, brInterface, err := setupBridge(n)
if err != nil {
return err
}
netns, err := ns.GetNS(args.Netns)
if err != nil {
return fmt.Errorf("failed to open netns %q: %v", args.Netns, err)
}
defer netns.Close()
hostInterface, containerInterface, err := setupVeth(netns, br, args.IfName, n.MTU, n.HairpinMode, n.Vlan)
if err != nil {
return err
}
// Assume L2 interface only
result := &current.Result{CNIVersion: cniVersion, Interfaces: []*current.Interface{brInterface, hostInterface, containerInterface}}
if isLayer3 {
// run the IPAM plugin and get back the config to apply
r, err := ipam.ExecAdd(n.IPAM.Type, args.StdinData)
if err != nil {
return err
}
// release IP in case of failure
defer func() {
if !success {
ipam.ExecDel(n.IPAM.Type, args.StdinData)
}
}()
// Convert whatever the IPAM result was into the current Result type
ipamResult, err := current.NewResultFromResult(r)
if err != nil {
return err
}
result.IPs = ipamResult.IPs
result.Routes = ipamResult.Routes
if len(result.IPs) == 0 {
return errors.New("IPAM plugin returned missing IP config")
}
// Gather gateway information for each IP family
gwsV4, gwsV6, err := calcGateways(result, n)
if err != nil {
return err
}
// Configure the container hardware address and IP address(es)
if err := netns.Do(func(_ ns.NetNS) error {
contVeth, err := net.InterfaceByName(args.IfName)
if err != nil {
return err
}
// Disable IPv6 DAD just in case hairpin mode is enabled on the
// bridge. Hairpin mode causes echos of neighbor solicitation
// packets, which causes DAD failures.
for _, ipc := range result.IPs {
if ipc.Version == "6" && (n.HairpinMode || n.PromiscMode) {
if err := disableIPV6DAD(args.IfName); err != nil {
return err
}
break
}
}
// Add the IP to the interface
if err := ipam.ConfigureIface(args.IfName, result); err != nil {
return err
}
// Send a gratuitous arp
for _, ipc := range result.IPs {
if ipc.Version == "4" {
_ = arping.GratuitousArpOverIface(ipc.Address.IP, *contVeth)
}
}
return nil
}); err != nil {
return err
}
if n.IsGW {
var firstV4Addr net.IP
var vlanInterface *current.Interface
// Set the IP address(es) on the bridge and enable forwarding
for _, gws := range []*gwInfo{gwsV4, gwsV6} {
for _, gw := range gws.gws {
if gw.IP.To4() != nil && firstV4Addr == nil {
firstV4Addr = gw.IP
}
if n.Vlan != 0 {
vlanIface, err := ensureVlanInterface(br, n.Vlan)
if err != nil {
return fmt.Errorf("failed to create vlan interface: %v", err)
}
if vlanInterface == nil {
vlanInterface = &current.Interface{Name: vlanIface.Attrs().Name,
Mac: vlanIface.Attrs().HardwareAddr.String()}
result.Interfaces = append(result.Interfaces, vlanInterface)
}
err = ensureAddr(vlanIface, gws.family, &gw, n.ForceAddress)
if err != nil {
return fmt.Errorf("failed to set vlan interface for bridge with addr: %v", err)
}
} else {
err = ensureAddr(br, gws.family, &gw, n.ForceAddress)
if err != nil {
return fmt.Errorf("failed to set bridge addr: %v", err)
}
}
}
if gws.gws != nil {
if err = enableIPForward(gws.family); err != nil {
return fmt.Errorf("failed to enable forwarding: %v", err)
}
}
}
}
if n.IPMasq {
chain := utils.FormatChainName(n.Name, args.ContainerID)
comment := utils.FormatComment(n.Name, args.ContainerID)
for _, ipc := range result.IPs {
if err = ip.SetupIPMasq(&ipc.Address, chain, comment); err != nil {
return err
}
}
}
}
// Refetch the bridge since its MAC address may change when the first
// veth is added or after its IP address is set
br, err = bridgeByName(n.BrName)
if err != nil {
return err
}
brInterface.Mac = br.Attrs().HardwareAddr.String()
result.DNS = n.DNS
// Return an error requested by testcases, if any
if debugPostIPAMError != nil {
return debugPostIPAMError
}
success = true
return types.PrintResult(result, cniVersion)
}
func cmdDel(args *skel.CmdArgs) error {
n, _, err := loadNetConf(args.StdinData)
if err != nil {
return err
}
isLayer3 := n.IPAM.Type != ""
if isLayer3 {
if err := ipam.ExecDel(n.IPAM.Type, args.StdinData); err != nil {
return err
}
}
if args.Netns == "" {
return nil
}
// There is a netns so try to clean up. Delete can be called multiple times
// so don't return an error if the device is already removed.
// If the device isn't there then don't try to clean up IP masq either.
var ipnets []*net.IPNet
err = ns.WithNetNSPath(args.Netns, func(_ ns.NetNS) error {
var err error
ipnets, err = ip.DelLinkByNameAddr(args.IfName)
if err != nil && err == ip.ErrLinkNotFound {
return nil
}
return err
})
if err != nil {
return err
}
if isLayer3 && n.IPMasq {
chain := utils.FormatChainName(n.Name, args.ContainerID)
comment := utils.FormatComment(n.Name, args.ContainerID)
for _, ipn := range ipnets {
if err := ip.TeardownIPMasq(ipn, chain, comment); err != nil {
return err
}
}
}
return err
}
func Main() {
skel.PluginMain(cmdAdd, cmdCheck, cmdDel, version.All, bv.BuildString("bridge"))
}
type cniBridgeIf struct {
Name string
ifIndex int
peerIndex int
masterIndex int
found bool
}
func validateInterface(intf current.Interface, expectInSb bool) (cniBridgeIf, netlink.Link, error) {
ifFound := cniBridgeIf{found: false}
if intf.Name == "" {
return ifFound, nil, fmt.Errorf("Interface name missing ")
}
link, err := netlink.LinkByName(intf.Name)
if err != nil {
return ifFound, nil, fmt.Errorf("Interface name %s not found", intf.Name)
}
if expectInSb {
if intf.Sandbox == "" {
return ifFound, nil, fmt.Errorf("Interface %s is expected to be in a sandbox", intf.Name)
}
} else {
if intf.Sandbox != "" {
return ifFound, nil, fmt.Errorf("Interface %s should not be in sandbox", intf.Name)
}
}
return ifFound, link, err
}
func validateCniBrInterface(intf current.Interface, n *NetConf) (cniBridgeIf, error) {
brFound, link, err := validateInterface(intf, false)
if err != nil {
return brFound, err
}
_, isBridge := link.(*netlink.Bridge)
if !isBridge {
return brFound, fmt.Errorf("Interface %s does not have link type of bridge", intf.Name)
}
if intf.Mac != "" {
if intf.Mac != link.Attrs().HardwareAddr.String() {
return brFound, fmt.Errorf("Bridge interface %s Mac doesn't match: %s", intf.Name, intf.Mac)
}
}
linkPromisc := link.Attrs().Promisc != 0
if linkPromisc != n.PromiscMode {
return brFound, fmt.Errorf("Bridge interface %s configured Promisc Mode %v doesn't match current state: %v ",
intf.Name, n.PromiscMode, linkPromisc)
}
brFound.found = true
brFound.Name = link.Attrs().Name
brFound.ifIndex = link.Attrs().Index
brFound.masterIndex = link.Attrs().MasterIndex
return brFound, nil
}
func validateCniVethInterface(intf *current.Interface, brIf cniBridgeIf, contIf cniBridgeIf) (cniBridgeIf, error) {
vethFound, link, err := validateInterface(*intf, false)
if err != nil {
return vethFound, err
}
_, isVeth := link.(*netlink.Veth)
if !isVeth {
// just skip it, it's not what CNI created
return vethFound, nil
}
_, vethFound.peerIndex, err = ip.GetVethPeerIfindex(link.Attrs().Name)
if err != nil {
return vethFound, fmt.Errorf("Unable to obtain veth peer index for veth %s", link.Attrs().Name)
}
vethFound.ifIndex = link.Attrs().Index
vethFound.masterIndex = link.Attrs().MasterIndex
if vethFound.ifIndex != contIf.peerIndex {
return vethFound, nil
}
if contIf.ifIndex != vethFound.peerIndex {
return vethFound, nil
}
if vethFound.masterIndex != brIf.ifIndex {
return vethFound, nil
}
if intf.Mac != "" {
if intf.Mac != link.Attrs().HardwareAddr.String() {
return vethFound, fmt.Errorf("Interface %s Mac doesn't match: %s not found", intf.Name, intf.Mac)
}
}
vethFound.found = true
vethFound.Name = link.Attrs().Name
return vethFound, nil
}
func validateCniContainerInterface(intf current.Interface) (cniBridgeIf, error) {
vethFound, link, err := validateInterface(intf, true)
if err != nil {
return vethFound, err
}
_, isVeth := link.(*netlink.Veth)
if !isVeth {
return vethFound, fmt.Errorf("Error: Container interface %s not of type veth", link.Attrs().Name)
}
_, vethFound.peerIndex, err = ip.GetVethPeerIfindex(link.Attrs().Name)
if err != nil {
return vethFound, fmt.Errorf("Unable to obtain veth peer index for veth %s", link.Attrs().Name)
}
vethFound.ifIndex = link.Attrs().Index
if intf.Mac != "" {
if intf.Mac != link.Attrs().HardwareAddr.String() {
return vethFound, fmt.Errorf("Interface %s Mac %s doesn't match container Mac: %s", intf.Name, intf.Mac, link.Attrs().HardwareAddr)
}
}
vethFound.found = true
vethFound.Name = link.Attrs().Name
return vethFound, nil
}
func cmdCheck(args *skel.CmdArgs) error {
n, _, err := loadNetConf(args.StdinData)
if err != nil {
return err
}
netns, err := ns.GetNS(args.Netns)
if err != nil {
return fmt.Errorf("failed to open netns %q: %v", args.Netns, err)
}
defer netns.Close()
// run the IPAM plugin and get back the config to apply
err = ipam.ExecCheck(n.IPAM.Type, args.StdinData)
if err != nil {
return err
}
// Parse previous result.
if n.NetConf.RawPrevResult == nil {
return fmt.Errorf("Required prevResult missing")
}
if err := version.ParsePrevResult(&n.NetConf); err != nil {
return err
}
result, err := current.NewResultFromResult(n.PrevResult)
if err != nil {
return err
}
var errLink error
var contCNI, vethCNI cniBridgeIf
var brMap, contMap current.Interface
// Find interfaces for names whe know, CNI Bridge and container
for _, intf := range result.Interfaces {
if n.BrName == intf.Name {
brMap = *intf
continue
} else if args.IfName == intf.Name {
if args.Netns == intf.Sandbox {
contMap = *intf
continue
}
}
}
brCNI, err := validateCniBrInterface(brMap, n)
if err != nil {
return err
}
// The namespace must be the same as what was configured
if args.Netns != contMap.Sandbox {
return fmt.Errorf("Sandbox in prevResult %s doesn't match configured netns: %s",
contMap.Sandbox, args.Netns)
}
// Check interface against values found in the container
if err := netns.Do(func(_ ns.NetNS) error {
contCNI, errLink = validateCniContainerInterface(contMap)
if errLink != nil {
return errLink
}
return nil
}); err != nil {
return err
}
// Now look for veth that is peer with container interface.
// Anything else wasn't created by CNI, skip it
for _, intf := range result.Interfaces {
// Skip this result if name is the same as cni bridge
// It's either the cni bridge we dealt with above, or something with the
// same name in a different namespace. We just skip since it's not ours
if brMap.Name == intf.Name {
continue
}
// same here for container name
if contMap.Name == intf.Name {
continue
}
vethCNI, errLink = validateCniVethInterface(intf, brCNI, contCNI)
if errLink != nil {
return errLink
}
if vethCNI.found {
// veth with container interface as peer and bridge as master found
break
}
}
if !brCNI.found {
return fmt.Errorf("CNI created bridge %s in host namespace was not found", n.BrName)
}
if !contCNI.found {
return fmt.Errorf("CNI created interface in container %s not found", args.IfName)
}
if !vethCNI.found {
return fmt.Errorf("CNI veth created for bridge %s was not found", n.BrName)
}
// Check prevResults for ips, routes and dns against values found in the container
if err := netns.Do(func(_ ns.NetNS) error {
err = ip.ValidateExpectedInterfaceIPs(args.IfName, result.IPs)
if err != nil {
return err
}
err = ip.ValidateExpectedRoute(result.Routes)
if err != nil {
return err
}
return nil
}); err != nil {
return err
}
return nil
}

83
vendor/github.com/containernetworking/plugins/plugins/main/loopback/loopback.go generated vendored
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@ -1,83 +0,0 @@
// Copyright 2016 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package loopback
import (
"github.com/vishvananda/netlink"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/types/current"
"github.com/containernetworking/cni/pkg/version"
"github.com/containernetworking/plugins/pkg/ns"
bv "github.com/containernetworking/plugins/pkg/utils/buildversion"
)
func cmdAdd(args *skel.CmdArgs) error {
args.IfName = "lo" // ignore config, this only works for loopback
err := ns.WithNetNSPath(args.Netns, func(_ ns.NetNS) error {
link, err := netlink.LinkByName(args.IfName)
if err != nil {
return err // not tested
}
err = netlink.LinkSetUp(link)
if err != nil {
return err // not tested
}
return nil
})
if err != nil {
return err // not tested
}
result := current.Result{}
return result.Print()
}
func cmdDel(args *skel.CmdArgs) error {
if args.Netns == "" {
return nil
}
args.IfName = "lo" // ignore config, this only works for loopback
err := ns.WithNetNSPath(args.Netns, func(ns.NetNS) error {
link, err := netlink.LinkByName(args.IfName)
if err != nil {
return err // not tested
}
err = netlink.LinkSetDown(link)
if err != nil {
return err // not tested
}
return nil
})
if err != nil {
return err // not tested
}
return nil
}
func Main() {
skel.PluginMain(cmdAdd, cmdCheck, cmdDel, version.All, bv.BuildString("loopback"))
}
func cmdCheck(args *skel.CmdArgs) error {
// TODO: implement
return nil
}

135
vendor/github.com/containernetworking/plugins/plugins/meta/flannel/README.md generated vendored
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@ -1,135 +0,0 @@
# flannel plugin
## Overview
This plugin is designed to work in conjunction with [flannel](https://github.com/coreos/flannel), a network fabric for containers.
When flannel daemon is started, it outputs a `/run/flannel/subnet.env` file that looks like this:
```
FLANNEL_NETWORK=10.1.0.0/16
FLANNEL_SUBNET=10.1.17.1/24
FLANNEL_MTU=1472
FLANNEL_IPMASQ=true
```
This information reflects the attributes of flannel network on the host.
The flannel CNI plugin uses this information to configure another CNI plugin, such as bridge plugin.
## Operation
Given the following network configuration file and the contents of `/run/flannel/subnet.env` above,
```
{
"name": "mynet",
"type": "flannel"
}
```
the flannel plugin will generate another network configuration file:
```
{
"name": "mynet",
"type": "bridge",
"mtu": 1472,
"ipMasq": false,
"isGateway": true,
"ipam": {
"type": "host-local",
"subnet": "10.1.17.0/24"
}
}
```
It will then invoke the bridge plugin, passing it the generated configuration.
As can be seen from above, the flannel plugin, by default, will delegate to the bridge plugin.
If additional configuration values need to be passed to the bridge plugin, it can be done so via the `delegate` field:
```
{
"name": "mynet",
"type": "flannel",
"delegate": {
"bridge": "mynet0",
"mtu": 1400
}
}
```
This supplies a configuration parameter to the bridge plugin -- the created bridge will now be named `mynet0`.
Notice that `mtu` has also been specified and this value will not be overwritten by flannel plugin.
Additionally, the `delegate` field can be used to select a different kind of plugin altogether.
To use `ipvlan` instead of `bridge`, the following configuration can be specified:
```
{
"name": "mynet",
"type": "flannel",
"delegate": {
"type": "ipvlan",
"master": "eth0"
}
}
```
## Network configuration reference
* `name` (string, required): the name of the network
* `type` (string, required): "flannel"
* `subnetFile` (string, optional): full path to the subnet file written out by flanneld. Defaults to /run/flannel/subnet.env
* `dataDir` (string, optional): path to directory where plugin will store generated network configuration files. Defaults to `/var/lib/cni/flannel`
* `delegate` (dictionary, optional): specifies configuration options for the delegated plugin.
flannel plugin will always set the following fields in the delegated plugin configuration:
* `name`: value of its "name" field.
* `ipam`: "host-local" type will be used with "subnet" set to `$FLANNEL_SUBNET`.
flannel plugin will set the following fields in the delegated plugin configuration if they are not present:
* `ipMasq`: the inverse of `$FLANNEL_IPMASQ`
* `mtu`: `$FLANNEL_MTU`
Additionally, for the bridge plugin, `isGateway` will be set to `true`, if not present.
## Windows Support (Experimental)
This plugin supports delegating to the windows CNI plugins (overlay.exe, l2bridge.exe) to work in conjunction with [Flannel on Windows](https://github.com/coreos/flannel/issues/833).
Flannel sets up an [HNS Network](https://docs.microsoft.com/en-us/virtualization/windowscontainers/manage-containers/container-networking) in L2Bridge mode for host-gw and in Overlay mode for vxlan.
The following fields must be set in the delegated plugin configuration:
* `name` (string, required): the name of the network (must match the name in Flannel config / name of the HNS network)
* `type` (string, optional): set to `win-l2bridge` by default. Can be set to `win-overlay` or other custom windows CNI
* `ipMasq`: the inverse of `$FLANNEL_IPMASQ`
* `endpointMacPrefix` (string, optional): required for `win-overlay` mode, set to the MAC prefix configured for Flannel
* `clusterNetworkPrefix` (string, optional): required for `win-l2bridge` mode, setup NAT if `ipMasq` is set to true
For `win-l2bridge`, the Flannel CNI plugin will set:
* `ipam`: "host-local" type will be used with "subnet" set to `$FLANNEL_SUBNET` and gateway as the .2 address in `$FLANNEL_NETWORK`
For `win-overlay`, the Flannel CNI plugin will set:
* `ipam`: "host-local" type will be used with "subnet" set to `$FLANNEL_SUBNET` and gateway as the .1 address in `$FLANNEL_NETWORK`
If IPMASQ is true, the Flannel CNI plugin will setup an OutBoundNAT policy and add FLANNEL_SUBNET to any existing exclusions.
All other delegate config e.g. other HNS endpoint policies in AdditionalArgs will be passed to WINCNI as-is.
Example VXLAN Flannel CNI config
```
{
"name": "mynet",
"type": "flannel",
"delegate": {
"type": "win-overlay",
"endpointMacPrefix": "0E-2A"
}
}
```
For this example, Flannel CNI would generate the following config to delegate to the windows CNI when FLANNEL_NETWORK=10.244.0.0/16, FLANNEL_SUBNET=10.244.1.0/24 and IPMASQ=true
```
{
"name": "mynet",
"type": "win-overlay",
"endpointMacPrefix": "0E-2A",
"ipMasq": true,
"ipam": {
"subnet": "10.244.1.0/24",
"type": "host-local"
}
}
```

241
vendor/github.com/containernetworking/plugins/plugins/meta/flannel/flannel.go generated vendored
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@ -1,241 +0,0 @@
// Copyright 2015 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This is a "meta-plugin". It reads in its own netconf, combines it with
// the data from flannel generated subnet file and then invokes a plugin
// like bridge or ipvlan to do the real work.
package flannel
import (
"bufio"
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/containernetworking/cni/pkg/invoke"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/cni/pkg/version"
bv "github.com/containernetworking/plugins/pkg/utils/buildversion"
)
const (
defaultSubnetFile = "/run/flannel/subnet.env"
defaultDataDir = "/var/lib/cni/flannel"
)
type NetConf struct {
types.NetConf
SubnetFile string `json:"subnetFile"`
DataDir string `json:"dataDir"`
Delegate map[string]interface{} `json:"delegate"`
RuntimeConfig map[string]interface{} `json:"runtimeConfig,omitempty"`
}
type subnetEnv struct {
nw *net.IPNet
sn *net.IPNet
mtu *uint
ipmasq *bool
}
func (se *subnetEnv) missing() string {
m := []string{}
if se.nw == nil {
m = append(m, "FLANNEL_NETWORK")
}
if se.sn == nil {
m = append(m, "FLANNEL_SUBNET")
}
if se.mtu == nil {
m = append(m, "FLANNEL_MTU")
}
if se.ipmasq == nil {
m = append(m, "FLANNEL_IPMASQ")
}
return strings.Join(m, ", ")
}
func loadFlannelNetConf(bytes []byte) (*NetConf, error) {
n := &NetConf{
SubnetFile: defaultSubnetFile,
DataDir: defaultDataDir,
}
if err := json.Unmarshal(bytes, n); err != nil {
return nil, fmt.Errorf("failed to load netconf: %v", err)
}
return n, nil
}
func loadFlannelSubnetEnv(fn string) (*subnetEnv, error) {
f, err := os.Open(fn)
if err != nil {
return nil, err
}
defer f.Close()
se := &subnetEnv{}
s := bufio.NewScanner(f)
for s.Scan() {
parts := strings.SplitN(s.Text(), "=", 2)
switch parts[0] {
case "FLANNEL_NETWORK":
_, se.nw, err = net.ParseCIDR(parts[1])
if err != nil {
return nil, err
}
case "FLANNEL_SUBNET":
_, se.sn, err = net.ParseCIDR(parts[1])
if err != nil {
return nil, err
}
case "FLANNEL_MTU":
mtu, err := strconv.ParseUint(parts[1], 10, 32)
if err != nil {
return nil, err
}
se.mtu = new(uint)
*se.mtu = uint(mtu)
case "FLANNEL_IPMASQ":
ipmasq := parts[1] == "true"
se.ipmasq = &ipmasq
}
}
if err := s.Err(); err != nil {
return nil, err
}
if m := se.missing(); m != "" {
return nil, fmt.Errorf("%v is missing %v", fn, m)
}
return se, nil
}
func saveScratchNetConf(containerID, dataDir string, netconf []byte) error {
if err := os.MkdirAll(dataDir, 0700); err != nil {
return err
}
path := filepath.Join(dataDir, containerID)
return ioutil.WriteFile(path, netconf, 0600)
}
func consumeScratchNetConf(containerID, dataDir string) ([]byte, error) {
path := filepath.Join(dataDir, containerID)
// Ignore errors when removing - Per spec safe to continue during DEL
defer os.Remove(path)
return ioutil.ReadFile(path)
}
func delegateAdd(cid, dataDir string, netconf map[string]interface{}) error {
netconfBytes, err := json.Marshal(netconf)
if err != nil {
return fmt.Errorf("error serializing delegate netconf: %v", err)
}
// save the rendered netconf for cmdDel
if err = saveScratchNetConf(cid, dataDir, netconfBytes); err != nil {
return err
}
result, err := invoke.DelegateAdd(context.TODO(), netconf["type"].(string), netconfBytes, nil)
if err != nil {
return err
}
return result.Print()
}
func hasKey(m map[string]interface{}, k string) bool {
_, ok := m[k]
return ok
}
func isString(i interface{}) bool {
_, ok := i.(string)
return ok
}
func cmdAdd(args *skel.CmdArgs) error {
n, err := loadFlannelNetConf(args.StdinData)
if err != nil {
return err
}
fenv, err := loadFlannelSubnetEnv(n.SubnetFile)
if err != nil {
return err
}
if n.Delegate == nil {
n.Delegate = make(map[string]interface{})
} else {
if hasKey(n.Delegate, "type") && !isString(n.Delegate["type"]) {
return fmt.Errorf("'delegate' dictionary, if present, must have (string) 'type' field")
}
if hasKey(n.Delegate, "name") {
return fmt.Errorf("'delegate' dictionary must not have 'name' field, it'll be set by flannel")
}
if hasKey(n.Delegate, "ipam") {
return fmt.Errorf("'delegate' dictionary must not have 'ipam' field, it'll be set by flannel")
}
}
if n.RuntimeConfig != nil {
n.Delegate["runtimeConfig"] = n.RuntimeConfig
}
return doCmdAdd(args, n, fenv)
}
func cmdDel(args *skel.CmdArgs) error {
nc, err := loadFlannelNetConf(args.StdinData)
if err != nil {
return err
}
if nc.RuntimeConfig != nil {
if nc.Delegate == nil {
nc.Delegate = make(map[string]interface{})
}
nc.Delegate["runtimeConfig"] = nc.RuntimeConfig
}
return doCmdDel(args, nc)
}
func Main() {
skel.PluginMain(cmdAdd, cmdCheck, cmdDel, version.All, bv.BuildString("flannel"))
}
func cmdCheck(args *skel.CmdArgs) error {
// TODO: implement
return nil
}

87
vendor/github.com/containernetworking/plugins/plugins/meta/flannel/flannel_linux.go generated vendored
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@ -1,87 +0,0 @@
// Copyright 2018 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This is a "meta-plugin". It reads in its own netconf, combines it with
// the data from flannel generated subnet file and then invokes a plugin
// like bridge or ipvlan to do the real work.
package flannel
import (
"context"
"encoding/json"
"fmt"
"github.com/containernetworking/cni/pkg/invoke"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/types"
"os"
)
func doCmdAdd(args *skel.CmdArgs, n *NetConf, fenv *subnetEnv) error {
n.Delegate["name"] = n.Name
if !hasKey(n.Delegate, "type") {
n.Delegate["type"] = "bridge"
}
if !hasKey(n.Delegate, "ipMasq") {
// if flannel is not doing ipmasq, we should
ipmasq := !*fenv.ipmasq
n.Delegate["ipMasq"] = ipmasq
}
if !hasKey(n.Delegate, "mtu") {
mtu := fenv.mtu
n.Delegate["mtu"] = mtu
}
if n.Delegate["type"].(string) == "bridge" {
if !hasKey(n.Delegate, "isGateway") {
n.Delegate["isGateway"] = true
}
}
if n.CNIVersion != "" {
n.Delegate["cniVersion"] = n.CNIVersion
}
n.Delegate["ipam"] = map[string]interface{}{
"type": "host-local",
"subnet": fenv.sn.String(),
"routes": []types.Route{
{
Dst: *fenv.nw,
},
},
}
return delegateAdd(args.ContainerID, n.DataDir, n.Delegate)
}
func doCmdDel(args *skel.CmdArgs, n *NetConf) error {
netconfBytes, err := consumeScratchNetConf(args.ContainerID, n.DataDir)
if err != nil {
if os.IsNotExist(err) {
// Per spec should ignore error if resources are missing / already removed
return nil
}
return err
}
nc := &types.NetConf{}
if err = json.Unmarshal(netconfBytes, nc); err != nil {
return fmt.Errorf("failed to parse netconf: %v", err)
}
return invoke.DelegateDel(context.TODO(), nc.Type, netconfBytes, nil)
}

74
vendor/github.com/containernetworking/plugins/plugins/meta/flannel/flannel_windows.go generated vendored
View File

@ -1,74 +0,0 @@
// Copyright 2018 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This is a "meta-plugin". It reads in its own netconf, combines it with
// the data from flannel generated subnet file and then invokes a plugin
// like bridge or ipvlan to do the real work.
package flannel
import (
"context"
"encoding/json"
"fmt"
"github.com/containernetworking/cni/pkg/invoke"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/cni/pkg/types/020"
"github.com/containernetworking/plugins/pkg/hns"
"os"
)
func doCmdAdd(args *skel.CmdArgs, n *NetConf, fenv *subnetEnv) error {
n.Delegate["name"] = n.Name
if !hasKey(n.Delegate, "type") {
n.Delegate["type"] = "win-bridge"
}
// if flannel needs ipmasq - get the plugin to configure it
// (this is the opposite of how linux works - on linux the flannel daemon configure ipmasq)
n.Delegate["ipMasq"] = *fenv.ipmasq
n.Delegate["ipMasqNetwork"] = fenv.nw.String()
n.Delegate["cniVersion"] = types020.ImplementedSpecVersion
if len(n.CNIVersion) != 0 {
n.Delegate["cniVersion"] = n.CNIVersion
}
n.Delegate["ipam"] = map[string]interface{}{
"type": "host-local",
"subnet": fenv.sn.String(),
}
return delegateAdd(hns.GetSandboxContainerID(args.ContainerID, args.Netns), n.DataDir, n.Delegate)
}
func doCmdDel(args *skel.CmdArgs, n *NetConf) error {
netconfBytes, err := consumeScratchNetConf(hns.GetSandboxContainerID(args.ContainerID, args.Netns), n.DataDir)
if err != nil {
if os.IsNotExist(err) {
// Per spec should ignore error if resources are missing / already removed
return nil
}
return err
}
nc := &types.NetConf{}
if err = json.Unmarshal(netconfBytes, nc); err != nil {
return fmt.Errorf("failed to parse netconf: %v", err)
}
return invoke.DelegateDel(context.TODO(), nc.Type, netconfBytes, nil)
}

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## Port-mapping plugin
This plugin will forward traffic from one or more ports on the host to the
container. It expects to be run as a chained plugin.
## Usage
You should use this plugin as part of a network configuration list. It accepts
the following configuration options:
* `snat` - boolean, default true. If true or omitted, set up the SNAT chains
* `markMasqBit` - int, (0-31), default 13. The mark bit to use for masquerading (see section SNAT). Cannot be set when `externalSetMarkChain` is used.
* `externalSetMarkChain` - string, default nil. If you already have a Masquerade mark chain (e.g. Kubernetes), specify it here. This will use that instead of creating a separate chain. When this is set, `markMasqBit` must be unspecified.
* `conditionsV4`, `conditionsV6` - array of strings. A list of arbitrary `iptables`
matches to add to the per-container rule. This may be useful if you wish to
exclude specific IPs from port-mapping
The plugin expects to receive the actual list of port mappings via the
`portMappings` [capability argument](https://github.com/containernetworking/cni/blob/master/CONVENTIONS.md)
A sample standalone config list for Kubernetes (with the file extension .conflist) might
look like:
```json
{
"cniVersion": "0.3.1",
"name": "mynet",
"plugins": [
{
"type": "ptp",
"ipMasq": true,
"ipam": {
"type": "host-local",
"subnet": "172.16.30.0/24",
"routes": [
{
"dst": "0.0.0.0/0"
}
]
}
},
{
"type": "portmap",
"capabilities": {"portMappings": true},
"externalSetMarkChain": "KUBE-MARK-MASQ"
}
]
}
```
A configuration file with all options set:
```json
{
"type": "portmap",
"capabilities": {"portMappings": true},
"snat": true,
"markMasqBit": 13,
"externalSetMarkChain": "CNI-HOSTPORT-SETMARK",
"conditionsV4": ["!", "-d", "192.0.2.0/24"],
"conditionsV6": ["!", "-d", "fc00::/7"]
}
```
## Rule structure
The plugin sets up two sequences of chains and rules - one "primary" DNAT
sequence to rewrite the destination, and one additional SNAT sequence that
will masquerade traffic as needed.
### DNAT
The DNAT rule rewrites the destination port and address of new connections.
There is a top-level chain, `CNI-HOSTPORT-DNAT` which is always created and
never deleted. Each plugin execution creates an additional chain for ease
of cleanup. So, if a single container exists on IP 172.16.30.2 with ports
8080 and 8043 on the host forwarded to ports 80 and 443 in the container, the
rules look like this:
`PREROUTING`, `OUTPUT` chains:
- `--dst-type LOCAL -j CNI-HOSTPORT-DNAT`
`CNI-HOSTPORT-DNAT` chain:
- `${ConditionsV4/6} -p tcp --destination-ports 8080,8043 -j CNI-DN-xxxxxx` (where xxxxxx is a function of the ContainerID and network name)
`CNI-HOSTPORT-SETMARK` chain:
- `-j MARK --set-xmark 0x2000/0x2000`
`CNI-DN-xxxxxx` chain:
- `-p tcp -s 172.16.30.2 --dport 8080 -j CNI-HOSTPORT-SETMARK` (masquerade hairpin traffic)
- `-p tcp -s 127.0.0.1 --dport 8080 -j CNI-HOSTPORT-SETMARK` (masquerade localhost traffic)
- `-p tcp --dport 8080 -j DNAT --to-destination 172.16.30.2:80` (rewrite destination)
- `-p tcp -s 172.16.30.2 --dport 8043 -j CNI-HOSTPORT-SETMARK`
- `-p tcp -s 127.0.0.1 --dport 8043 -j CNI-HOSTPORT-SETMARK`
- `-p tcp --dport 8043 -j DNAT --to-destination 172.16.30.2:443`
New connections to the host will have to traverse every rule, so large numbers
of port forwards may have a performance impact. This won't affect established
connections, just the first packet.
### SNAT (Masquerade)
Some packets also need to have the source address rewritten:
* connections from localhost
* Hairpin traffic back to the container.
In the DNAT chain, a bit is set on the mark for packets that need snat. This
chain performs that masquerading. By default, bit 13 is set, but this is
configurable. If you are using other tools that also use the iptables mark,
you should make sure this doesn't conflict.
Some container runtimes, most notably Kubernetes, already have a set of rules
for masquerading when a specific mark bit is set. If so enabled, the plugin
will use that chain instead.
`POSTROUTING`:
- `-j CNI-HOSTPORT-MASQ`
`CNI-HOSTPORT-MASQ`:
- `--mark 0x2000 -j MASQUERADE`
Because MASQUERADE happens in POSTROUTING, it means that packets with source ip
127.0.0.1 need to first pass a routing boundary before being masqueraded. By
default, that is not allowed in Linux. So, the plugin needs to enable the sysctl
`net.ipv4.conf.IFNAME.route_localnet`, where IFNAME is the name of the host-side
interface that routes traffic to the container.
There is no equivalent to `route_localnet` for ipv6, so connections to ::1
will not be portmapped for ipv6. If you need port forwarding from localhost,
your container must have an ipv4 address.
## Known issues
- ipsets could improve efficiency
- forwarding from localhost does not work with ipv6.

181
vendor/github.com/containernetworking/plugins/plugins/meta/portmap/chain.go generated vendored
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// Copyright 2017 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package portmap
import (
"fmt"
"strings"
"github.com/coreos/go-iptables/iptables"
"github.com/mattn/go-shellwords"
)
type chain struct {
table string
name string
entryChains []string // the chains to add the entry rule
entryRules [][]string // the rules that "point" to this chain
rules [][]string // the rules this chain contains
prependEntry bool // whether or not the entry rules should be prepended
}
// setup idempotently creates the chain. It will not error if the chain exists.
func (c *chain) setup(ipt *iptables.IPTables) error {
// create the chain
exists, err := chainExists(ipt, c.table, c.name)
if err != nil {
return err
}
if !exists {
if err := ipt.NewChain(c.table, c.name); err != nil {
return err
}
}
// Add the rules to the chain
for _, rule := range c.rules {
if err := insertUnique(ipt, c.table, c.name, false, rule); err != nil {
return err
}
}
// Add the entry rules to the entry chains
for _, entryChain := range c.entryChains {
for _, rule := range c.entryRules {
r := []string{}
r = append(r, rule...)
r = append(r, "-j", c.name)
if err := insertUnique(ipt, c.table, entryChain, c.prependEntry, r); err != nil {
return err
}
}
}
return nil
}
// teardown idempotently deletes a chain. It will not error if the chain doesn't exist.
// It will first delete all references to this chain in the entryChains.
func (c *chain) teardown(ipt *iptables.IPTables) error {
// flush the chain
// This will succeed *and create the chain* if it does not exist.
// If the chain doesn't exist, the next checks will fail.
if err := ipt.ClearChain(c.table, c.name); err != nil {
return err
}
for _, entryChain := range c.entryChains {
entryChainRules, err := ipt.List(c.table, entryChain)
if err != nil || len(entryChainRules) < 1 {
// Swallow error here - probably the chain doesn't exist.
// If we miss something the deletion will fail
continue
}
for _, entryChainRule := range entryChainRules[1:] {
if strings.HasSuffix(entryChainRule, "-j "+c.name) {
chainParts, err := shellwords.Parse(entryChainRule)
if err != nil {
return fmt.Errorf("error parsing iptables rule: %s: %v", entryChainRule, err)
}
chainParts = chainParts[2:] // List results always include an -A CHAINNAME
if err := ipt.Delete(c.table, entryChain, chainParts...); err != nil {
return fmt.Errorf("Failed to delete referring rule %s %s: %v", c.table, entryChainRule, err)
}
}
}
}
if err := ipt.DeleteChain(c.table, c.name); err != nil {
return err
}
return nil
}
// insertUnique will add a rule to a chain if it does not already exist.
// By default the rule is appended, unless prepend is true.
func insertUnique(ipt *iptables.IPTables, table, chain string, prepend bool, rule []string) error {
exists, err := ipt.Exists(table, chain, rule...)
if err != nil {
return err
}
if exists {
return nil
}
if prepend {
return ipt.Insert(table, chain, 1, rule...)
} else {
return ipt.Append(table, chain, rule...)
}
}
func chainExists(ipt *iptables.IPTables, tableName, chainName string) (bool, error) {
chains, err := ipt.ListChains(tableName)
if err != nil {
return false, err
}
for _, ch := range chains {
if ch == chainName {
return true, nil
}
}
return false, nil
}
// check the chain.
func (c *chain) check(ipt *iptables.IPTables) error {
exists, err := chainExists(ipt, c.table, c.name)
if err != nil {
return err
}
if !exists {
return fmt.Errorf("chain %s not found in iptables table %s", c.name, c.table)
}
for i := len(c.rules) - 1; i >= 0; i-- {
match := checkRule(ipt, c.table, c.name, c.rules[i])
if !match {
return fmt.Errorf("rule %s in chain %s not found in table %s", c.rules, c.name, c.table)
}
}
for _, entryChain := range c.entryChains {
for i := len(c.entryRules) - 1; i >= 0; i-- {
r := []string{}
r = append(r, c.entryRules[i]...)
r = append(r, "-j", c.name)
matchEntryChain := checkRule(ipt, c.table, entryChain, r)
if !matchEntryChain {
return fmt.Errorf("rule %s in chain %s not found in table %s", c.entryRules, entryChain, c.table)
}
}
}
return nil
}
func checkRule(ipt *iptables.IPTables, table, chain string, rule []string) bool {
exists, err := ipt.Exists(table, chain, rule...)
if err != nil {
return false
}
return exists
}

234
vendor/github.com/containernetworking/plugins/plugins/meta/portmap/main.go generated vendored
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// Copyright 2017 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This is a post-setup plugin that establishes port forwarding - using iptables,
// from the host's network interface(s) to a pod's network interface.
//
// It is intended to be used as a chained CNI plugin, and determines the container
// IP from the previous result. If the result includes an IPv6 address, it will
// also be configured. (IPTables will not forward cross-family).
//
// This has one notable limitation: it does not perform any kind of reservation
// of the actual host port. If there is a service on the host, it will have all
// its traffic captured by the container. If another container also claims a given
// port, it will caputure the traffic - it is last-write-wins.
package portmap
import (
"encoding/json"
"fmt"
"net"
"github.com/containernetworking/cni/pkg/skel"
"github.com/containernetworking/cni/pkg/types"
"github.com/containernetworking/cni/pkg/types/current"
"github.com/containernetworking/cni/pkg/version"
bv "github.com/containernetworking/plugins/pkg/utils/buildversion"
)
// PortMapEntry corresponds to a single entry in the port_mappings argument,
// see CONVENTIONS.md
type PortMapEntry struct {
HostPort int `json:"hostPort"`
ContainerPort int `json:"containerPort"`
Protocol string `json:"protocol"`
HostIP string `json:"hostIP,omitempty"`
}
type PortMapConf struct {
types.NetConf
SNAT *bool `json:"snat,omitempty"`
ConditionsV4 *[]string `json:"conditionsV4"`
ConditionsV6 *[]string `json:"conditionsV6"`
MarkMasqBit *int `json:"markMasqBit"`
ExternalSetMarkChain *string `json:"externalSetMarkChain"`
RuntimeConfig struct {
PortMaps []PortMapEntry `json:"portMappings,omitempty"`
} `json:"runtimeConfig,omitempty"`
// These are fields parsed out of the config or the environment;
// included here for convenience
ContainerID string `json:"-"`
ContIPv4 net.IP `json:"-"`
ContIPv6 net.IP `json:"-"`
}
// The default mark bit to signal that masquerading is required
// Kubernetes uses 14 and 15, Calico uses 20-31.
const DefaultMarkBit = 13
func cmdAdd(args *skel.CmdArgs) error {
netConf, _, err := parseConfig(args.StdinData, args.IfName)
if err != nil {
return fmt.Errorf("failed to parse config: %v", err)
}
if netConf.PrevResult == nil {
return fmt.Errorf("must be called as chained plugin")
}
if len(netConf.RuntimeConfig.PortMaps) == 0 {
return types.PrintResult(netConf.PrevResult, netConf.CNIVersion)
}
netConf.ContainerID = args.ContainerID
if netConf.ContIPv4 != nil {
if err := forwardPorts(netConf, netConf.ContIPv4); err != nil {
return err
}
}
if netConf.ContIPv6 != nil {
if err := forwardPorts(netConf, netConf.ContIPv6); err != nil {
return err
}
}
// Pass through the previous result
return types.PrintResult(netConf.PrevResult, netConf.CNIVersion)
}
func cmdDel(args *skel.CmdArgs) error {
netConf, _, err := parseConfig(args.StdinData, args.IfName)
if err != nil {
return fmt.Errorf("failed to parse config: %v", err)
}
netConf.ContainerID = args.ContainerID
// We don't need to parse out whether or not we're using v6 or snat,
// deletion is idempotent
if err := unforwardPorts(netConf); err != nil {
return err
}
return nil
}
func Main() {
skel.PluginMain(cmdAdd, cmdCheck, cmdDel, version.All, bv.BuildString("portmap"))
}
func cmdCheck(args *skel.CmdArgs) error {
conf, result, err := parseConfig(args.StdinData, args.IfName)
if err != nil {
return err
}
// Ensure we have previous result.
if result == nil {
return fmt.Errorf("Required prevResult missing")
}
if len(conf.RuntimeConfig.PortMaps) == 0 {
return nil
}
conf.ContainerID = args.ContainerID
if conf.ContIPv4 != nil {
if err := checkPorts(conf, conf.ContIPv4); err != nil {
return err
}
}
if conf.ContIPv6 != nil {
if err := checkPorts(conf, conf.ContIPv6); err != nil {
return err
}
}
return nil
}
// parseConfig parses the supplied configuration (and prevResult) from stdin.
func parseConfig(stdin []byte, ifName string) (*PortMapConf, *current.Result, error) {
conf := PortMapConf{}
if err := json.Unmarshal(stdin, &conf); err != nil {
return nil, nil, fmt.Errorf("failed to parse network configuration: %v", err)
}
// Parse previous result.
var result *current.Result
if conf.RawPrevResult != nil {
var err error
if err = version.ParsePrevResult(&conf.NetConf); err != nil {
return nil, nil, fmt.Errorf("could not parse prevResult: %v", err)
}
result, err = current.NewResultFromResult(conf.PrevResult)
if err != nil {
return nil, nil, fmt.Errorf("could not convert result to current version: %v", err)
}
}
if conf.SNAT == nil {
tvar := true
conf.SNAT = &tvar
}
if conf.MarkMasqBit != nil && conf.ExternalSetMarkChain != nil {
return nil, nil, fmt.Errorf("Cannot specify externalSetMarkChain and markMasqBit")
}
if conf.MarkMasqBit == nil {
bvar := DefaultMarkBit // go constants are "special"
conf.MarkMasqBit = &bvar
}
if *conf.MarkMasqBit < 0 || *conf.MarkMasqBit > 31 {
return nil, nil, fmt.Errorf("MasqMarkBit must be between 0 and 31")
}
// Reject invalid port numbers
for _, pm := range conf.RuntimeConfig.PortMaps {
if pm.ContainerPort <= 0 {
return nil, nil, fmt.Errorf("Invalid container port number: %d", pm.ContainerPort)
}
if pm.HostPort <= 0 {
return nil, nil, fmt.Errorf("Invalid host port number: %d", pm.HostPort)
}
}
if conf.PrevResult != nil {
for _, ip := range result.IPs {
if ip.Version == "6" && conf.ContIPv6 != nil {
continue
} else if ip.Version == "4" && conf.ContIPv4 != nil {
continue
}
// Skip known non-sandbox interfaces
if ip.Interface != nil {
intIdx := *ip.Interface
if intIdx >= 0 &&
intIdx < len(result.Interfaces) &&
(result.Interfaces[intIdx].Name != ifName ||
result.Interfaces[intIdx].Sandbox == "") {
continue
}
}
switch ip.Version {
case "6":
conf.ContIPv6 = ip.Address.IP
case "4":
conf.ContIPv4 = ip.Address.IP
}
}
}
return &conf, result, nil
}

391
vendor/github.com/containernetworking/plugins/plugins/meta/portmap/portmap.go generated vendored
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@ -1,391 +0,0 @@
// Copyright 2017 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package portmap
import (
"fmt"
"net"
"sort"
"strconv"
"github.com/containernetworking/plugins/pkg/utils"
"github.com/containernetworking/plugins/pkg/utils/sysctl"
"github.com/coreos/go-iptables/iptables"
)
// This creates the chains to be added to iptables. The basic structure is
// a bit complex for efficiency's sake. We create 2 chains: a summary chain
// that is shared between invocations, and an invocation (container)-specific
// chain. This minimizes the number of operations on the top level, but allows
// for easy cleanup.
//
// The basic setup (all operations are on the nat table) is:
//
// DNAT case (rewrite destination IP and port):
// PREROUTING, OUTPUT: --dst-type local -j CNI-HOSTPORT-DNAT
// CNI-HOSTPORT-DNAT: --destination-ports 8080,8081 -j CNI-DN-abcd123
// CNI-DN-abcd123: -p tcp --dport 8080 -j DNAT --to-destination 192.0.2.33:80
// CNI-DN-abcd123: -p tcp --dport 8081 -j DNAT ...
// The names of the top-level summary chains.
// These should never be changed, or else upgrading will require manual
// intervention.
const TopLevelDNATChainName = "CNI-HOSTPORT-DNAT"
const SetMarkChainName = "CNI-HOSTPORT-SETMARK"
const MarkMasqChainName = "CNI-HOSTPORT-MASQ"
const OldTopLevelSNATChainName = "CNI-HOSTPORT-SNAT"
// forwardPorts establishes port forwarding to a given container IP.
// containerIP can be either v4 or v6.
func forwardPorts(config *PortMapConf, containerIP net.IP) error {
isV6 := (containerIP.To4() == nil)
var ipt *iptables.IPTables
var err error
if isV6 {
ipt, err = iptables.NewWithProtocol(iptables.ProtocolIPv6)
} else {
ipt, err = iptables.NewWithProtocol(iptables.ProtocolIPv4)
}
if err != nil {
return fmt.Errorf("failed to open iptables: %v", err)
}
// Enable masquerading for traffic as necessary.
// The DNAT chain sets a mark bit for traffic that needs masq:
// - connections from localhost
// - hairpin traffic back to the container
// Idempotently create the rule that masquerades traffic with this mark.
// Need to do this first; the DNAT rules reference these chains
if *config.SNAT {
if config.ExternalSetMarkChain == nil {
setMarkChain := genSetMarkChain(*config.MarkMasqBit)
if err := setMarkChain.setup(ipt); err != nil {
return fmt.Errorf("unable to create chain %s: %v", setMarkChain.name, err)
}
masqChain := genMarkMasqChain(*config.MarkMasqBit)
if err := masqChain.setup(ipt); err != nil {
return fmt.Errorf("unable to create chain %s: %v", setMarkChain.name, err)
}
}
if !isV6 {
// Set the route_localnet bit on the host interface, so that
// 127/8 can cross a routing boundary.
hostIfName := getRoutableHostIF(containerIP)
if hostIfName != "" {
if err := enableLocalnetRouting(hostIfName); err != nil {
return fmt.Errorf("unable to enable route_localnet: %v", err)
}
}
}
}
// Generate the DNAT (actual port forwarding) rules
toplevelDnatChain := genToplevelDnatChain()
if err := toplevelDnatChain.setup(ipt); err != nil {
return fmt.Errorf("failed to create top-level DNAT chain: %v", err)
}
dnatChain := genDnatChain(config.Name, config.ContainerID)
// First, idempotently tear down this chain in case there was some
// sort of collision or bad state.
fillDnatRules(&dnatChain, config, containerIP)
if err := dnatChain.setup(ipt); err != nil {
return fmt.Errorf("unable to setup DNAT: %v", err)
}
return nil
}
func checkPorts(config *PortMapConf, containerIP net.IP) error {
dnatChain := genDnatChain(config.Name, config.ContainerID)
fillDnatRules(&dnatChain, config, containerIP)
ip4t := maybeGetIptables(false)
ip6t := maybeGetIptables(true)
if ip4t == nil && ip6t == nil {
return fmt.Errorf("neither iptables nor ip6tables usable")
}
if ip4t != nil {
exists, err := chainExists(ip4t, dnatChain.table, dnatChain.name)
if err != nil {
return err
}
if !exists {
return err
}
if err := dnatChain.check(ip4t); err != nil {
return fmt.Errorf("could not check ipv4 dnat: %v", err)
}
}
if ip6t != nil {
exists, err := chainExists(ip6t, dnatChain.table, dnatChain.name)
if err != nil {
return err
}
if !exists {
return err
}
if err := dnatChain.check(ip6t); err != nil {
return fmt.Errorf("could not check ipv6 dnat: %v", err)
}
}
return nil
}
// genToplevelDnatChain creates the top-level summary chain that we'll
// add our chain to. This is easy, because creating chains is idempotent.
// IMPORTANT: do not change this, or else upgrading plugins will require
// manual intervention.
func genToplevelDnatChain() chain {
return chain{
table: "nat",
name: TopLevelDNATChainName,
entryRules: [][]string{{
"-m", "addrtype",
"--dst-type", "LOCAL",
}},
entryChains: []string{"PREROUTING", "OUTPUT"},
}
}
// genDnatChain creates the per-container chain.
// Conditions are any static entry conditions for the chain.
func genDnatChain(netName, containerID string) chain {
return chain{
table: "nat",
name: utils.MustFormatChainNameWithPrefix(netName, containerID, "DN-"),
entryChains: []string{TopLevelDNATChainName},
}
}
// dnatRules generates the destination NAT rules, one per port, to direct
// traffic from hostip:hostport to podip:podport
func fillDnatRules(c *chain, config *PortMapConf, containerIP net.IP) {
isV6 := (containerIP.To4() == nil)
comment := trimComment(fmt.Sprintf(`dnat name: "%s" id: "%s"`, config.Name, config.ContainerID))
entries := config.RuntimeConfig.PortMaps
setMarkChainName := SetMarkChainName
if config.ExternalSetMarkChain != nil {
setMarkChainName = *config.ExternalSetMarkChain
}
//Generate the dnat entry rules. We'll use multiport, but it ony accepts
// up to 15 rules, so partition the list if needed.
// Do it in a stable order for testing
protoPorts := groupByProto(entries)
protos := []string{}
for proto := range protoPorts {
protos = append(protos, proto)
}
sort.Strings(protos)
for _, proto := range protos {
for _, portSpec := range splitPortList(protoPorts[proto]) {
r := []string{
"-m", "comment",
"--comment", comment,
"-m", "multiport",
"-p", proto,
"--destination-ports", portSpec,
}
if isV6 && config.ConditionsV6 != nil && len(*config.ConditionsV6) > 0 {
r = append(r, *config.ConditionsV6...)
} else if !isV6 && config.ConditionsV4 != nil && len(*config.ConditionsV4) > 0 {
r = append(r, *config.ConditionsV4...)
}
c.entryRules = append(c.entryRules, r)
}
}
// For every entry, generate 3 rules:
// - mark hairpin for masq
// - mark localhost for masq (for v4)
// - do dnat
// the ordering is important here; the mark rules must be first.
c.rules = make([][]string, 0, 3*len(entries))
for _, entry := range entries {
ruleBase := []string{
"-p", entry.Protocol,
"--dport", strconv.Itoa(entry.HostPort)}
if entry.HostIP != "" {
ruleBase = append(ruleBase,
"-d", entry.HostIP)
}
// Add mark-to-masquerade rules for hairpin and localhost
if *config.SNAT {
// hairpin
hpRule := make([]string, len(ruleBase), len(ruleBase)+4)
copy(hpRule, ruleBase)
hpRule = append(hpRule,
"-s", containerIP.String(),
"-j", setMarkChainName,
)
c.rules = append(c.rules, hpRule)
if !isV6 {
// localhost
localRule := make([]string, len(ruleBase), len(ruleBase)+4)
copy(localRule, ruleBase)
localRule = append(localRule,
"-s", "127.0.0.1",
"-j", setMarkChainName,
)
c.rules = append(c.rules, localRule)
}
}
// The actual dnat rule
dnatRule := make([]string, len(ruleBase), len(ruleBase)+4)
copy(dnatRule, ruleBase)
dnatRule = append(dnatRule,
"-j", "DNAT",
"--to-destination", fmtIpPort(containerIP, entry.ContainerPort),
)
c.rules = append(c.rules, dnatRule)
}
}
// genSetMarkChain creates the SETMARK chain - the chain that sets the
// "to-be-masqueraded" mark and returns.
// Chains are idempotent, so we'll always create this.
func genSetMarkChain(markBit int) chain {
markValue := 1 << uint(markBit)
markDef := fmt.Sprintf("%#x/%#x", markValue, markValue)
ch := chain{
table: "nat",
name: SetMarkChainName,
rules: [][]string{{
"-m", "comment",
"--comment", "CNI portfwd masquerade mark",
"-j", "MARK",
"--set-xmark", markDef,
}},
}
return ch
}
// genMarkMasqChain creates the chain that masquerades all packets marked
// in the SETMARK chain
func genMarkMasqChain(markBit int) chain {
markValue := 1 << uint(markBit)
markDef := fmt.Sprintf("%#x/%#x", markValue, markValue)
ch := chain{
table: "nat",
name: MarkMasqChainName,
entryChains: []string{"POSTROUTING"},
// Only this entry chain needs to be prepended, because otherwise it is
// stomped on by the masquerading rules created by the CNI ptp and bridge
// plugins.
prependEntry: true,
entryRules: [][]string{{
"-m", "comment",
"--comment", "CNI portfwd requiring masquerade",
}},
rules: [][]string{{
"-m", "mark",
"--mark", markDef,
"-j", "MASQUERADE",
}},
}
return ch
}
// enableLocalnetRouting tells the kernel not to treat 127/8 as a martian,
// so that connections with a source ip of 127/8 can cross a routing boundary.
func enableLocalnetRouting(ifName string) error {
routeLocalnetPath := "net.ipv4.conf." + ifName + ".route_localnet"
_, err := sysctl.Sysctl(routeLocalnetPath, "1")
return err
}
// genOldSnatChain is no longer used, but used to be created. We'll try and
// tear it down in case the plugin version changed between ADD and DEL
func genOldSnatChain(netName, containerID string) chain {
return chain{
table: "nat",
name: utils.MustFormatChainNameWithPrefix(netName, containerID, "SN-"),
entryChains: []string{OldTopLevelSNATChainName},
}
}
// unforwardPorts deletes any iptables rules created by this plugin.
// It should be idempotent - it will not error if the chain does not exist.
//
// We also need to be a bit clever about how we handle errors with initializing
// iptables. We may be on a system with no ip(6)tables, or no kernel support
// for that protocol. The ADD would be successful, since it only adds forwarding
// based on the addresses assigned to the container. However, at DELETE time we
// don't know which protocols were used.
// So, we first check that iptables is "generally OK" by doing a check. If
// not, we ignore the error, unless neither v4 nor v6 are OK.
func unforwardPorts(config *PortMapConf) error {
dnatChain := genDnatChain(config.Name, config.ContainerID)
// Might be lying around from old versions
oldSnatChain := genOldSnatChain(config.Name, config.ContainerID)
ip4t := maybeGetIptables(false)
ip6t := maybeGetIptables(true)
if ip4t == nil && ip6t == nil {
return fmt.Errorf("neither iptables nor ip6tables usable")
}
if ip4t != nil {
if err := dnatChain.teardown(ip4t); err != nil {
return fmt.Errorf("could not teardown ipv4 dnat: %v", err)
}
oldSnatChain.teardown(ip4t)
}
if ip6t != nil {
if err := dnatChain.teardown(ip6t); err != nil {
return fmt.Errorf("could not teardown ipv6 dnat: %v", err)
}
oldSnatChain.teardown(ip6t)
}
return nil
}
// maybeGetIptables implements the soft error swallowing. If iptables is
// usable for the given protocol, returns a handle, otherwise nil
func maybeGetIptables(isV6 bool) *iptables.IPTables {
proto := iptables.ProtocolIPv4
if isV6 {
proto = iptables.ProtocolIPv6
}
ipt, err := iptables.NewWithProtocol(proto)
if err != nil {
return nil
}
_, err = ipt.List("nat", "OUTPUT")
if err != nil {
return nil
}
return ipt
}

108
vendor/github.com/containernetworking/plugins/plugins/meta/portmap/utils.go generated vendored
View File

@ -1,108 +0,0 @@
// Copyright 2017 CNI authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package portmap
import (
"fmt"
"net"
"strconv"
"strings"
"github.com/vishvananda/netlink"
)
// fmtIpPort correctly formats ip:port literals for iptables and ip6tables -
// need to wrap v6 literals in a []
func fmtIpPort(ip net.IP, port int) string {
if ip.To4() == nil {
return fmt.Sprintf("[%s]:%d", ip.String(), port)
}
return fmt.Sprintf("%s:%d", ip.String(), port)
}
func localhostIP(isV6 bool) string {
if isV6 {
return "::1"
}
return "127.0.0.1"
}
// getRoutableHostIF will try and determine which interface routes the container's
// traffic. This is the one on which we disable martian filtering.
func getRoutableHostIF(containerIP net.IP) string {
routes, err := netlink.RouteGet(containerIP)
if err != nil {
return ""
}
for _, route := range routes {
link, err := netlink.LinkByIndex(route.LinkIndex)
if err != nil {
continue
}
return link.Attrs().Name
}
return ""
}
// groupByProto groups port numbers by protocol
func groupByProto(entries []PortMapEntry) map[string][]int {
if len(entries) == 0 {
return map[string][]int{}
}
out := map[string][]int{}
for _, e := range entries {
_, ok := out[e.Protocol]
if ok {
out[e.Protocol] = append(out[e.Protocol], e.HostPort)
} else {
out[e.Protocol] = []int{e.HostPort}
}
}
return out
}
// splitPortList splits a list of integers in to one or more comma-separated
// string values, for use by multiport. Multiport only allows up to 15 ports
// per entry.
func splitPortList(l []int) []string {
out := []string{}
acc := []string{}
for _, i := range l {
acc = append(acc, strconv.Itoa(i))
if len(acc) == 15 {
out = append(out, strings.Join(acc, ","))
acc = []string{}
}
}
if len(acc) > 0 {
out = append(out, strings.Join(acc, ","))
}
return out
}
// trimComment makes sure no comment is over the iptables limit of 255 chars
func trimComment(val string) string {
if len(val) <= 255 {
return val
}
return val[0:253] + "..."
}

294
vendor/github.com/globalsign/mgo/bson/bson_corpus_spec_test_generator.go generated vendored
View File

@ -1,294 +0,0 @@
// +build ignore
package main
import (
"bytes"
"fmt"
"go/format"
"html/template"
"io/ioutil"
"log"
"path/filepath"
"strings"
"github.com/globalsign/mgo/internal/json"
)
func main() {
log.SetFlags(0)
log.SetPrefix(name + ": ")
var g Generator
fmt.Fprintf(&g, "// Code generated by \"%s.go\"; DO NOT EDIT\n\n", name)
src := g.generate()
err := ioutil.WriteFile(fmt.Sprintf("%s.go", strings.TrimSuffix(name, "_generator")), src, 0644)
if err != nil {
log.Fatalf("writing output: %s", err)
}
}
// Generator holds the state of the analysis. Primarily used to buffer
// the output for format.Source.
type Generator struct {
bytes.Buffer // Accumulated output.
}
// format returns the gofmt-ed contents of the Generator's buffer.
func (g *Generator) format() []byte {
src, err := format.Source(g.Bytes())
if err != nil {
// Should never happen, but can arise when developing this code.
// The user can compile the output to see the error.
log.Printf("warning: internal error: invalid Go generated: %s", err)
log.Printf("warning: compile the package to analyze the error")
return g.Bytes()
}
return src
}
// EVERYTHING ABOVE IS CONSTANT BETWEEN THE GENERATORS
const name = "bson_corpus_spec_test_generator"
func (g *Generator) generate() []byte {
testFiles, err := filepath.Glob("./specdata/specifications/source/bson-corpus/tests/*.json")
if err != nil {
log.Fatalf("error reading bson-corpus files: %s", err)
}
tests, err := g.loadTests(testFiles)
if err != nil {
log.Fatalf("error loading tests: %s", err)
}
tmpl, err := g.getTemplate()
if err != nil {
log.Fatalf("error loading template: %s", err)
}
tmpl.Execute(&g.Buffer, tests)
return g.format()
}
func (g *Generator) loadTests(filenames []string) ([]*testDef, error) {
var tests []*testDef
for _, filename := range filenames {
test, err := g.loadTest(filename)
if err != nil {
return nil, err
}
tests = append(tests, test)
}
return tests, nil
}
func (g *Generator) loadTest(filename string) (*testDef, error) {
content, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
var testDef testDef
err = json.Unmarshal(content, &testDef)
if err != nil {
return nil, err
}
names := make(map[string]struct{})
for i := len(testDef.Valid) - 1; i >= 0; i-- {
if testDef.BsonType == "0x05" && testDef.Valid[i].Description == "subtype 0x02" {
testDef.Valid = append(testDef.Valid[:i], testDef.Valid[i+1:]...)
continue
}
name := cleanupFuncName(testDef.Description + "_" + testDef.Valid[i].Description)
nameIdx := name
j := 1
for {
if _, ok := names[nameIdx]; !ok {
break
}
nameIdx = fmt.Sprintf("%s_%d", name, j)
}
names[nameIdx] = struct{}{}
testDef.Valid[i].TestDef = &testDef
testDef.Valid[i].Name = nameIdx
testDef.Valid[i].StructTest = testDef.TestKey != "" &&
(testDef.BsonType != "0x05" || strings.Contains(testDef.Valid[i].Description, "0x00")) &&
!testDef.Deprecated
}
for i := len(testDef.DecodeErrors) - 1; i >= 0; i-- {
if strings.Contains(testDef.DecodeErrors[i].Description, "UTF-8") {
testDef.DecodeErrors = append(testDef.DecodeErrors[:i], testDef.DecodeErrors[i+1:]...)
continue
}
name := cleanupFuncName(testDef.Description + "_" + testDef.DecodeErrors[i].Description)
nameIdx := name
j := 1
for {
if _, ok := names[nameIdx]; !ok {
break
}
nameIdx = fmt.Sprintf("%s_%d", name, j)
}
names[nameIdx] = struct{}{}
testDef.DecodeErrors[i].Name = nameIdx
}
return &testDef, nil
}
func (g *Generator) getTemplate() (*template.Template, error) {
content := `package bson_test
import (
"encoding/hex"
"time"
. "gopkg.in/check.v1"
"github.com/globalsign/mgo/bson"
)
func testValid(c *C, in []byte, expected []byte, result interface{}) {
err := bson.Unmarshal(in, result)
c.Assert(err, IsNil)
out, err := bson.Marshal(result)
c.Assert(err, IsNil)
c.Assert(string(expected), Equals, string(out), Commentf("roundtrip failed for %T, expected '%x' but got '%x'", result, expected, out))
}
func testDecodeSkip(c *C, in []byte) {
err := bson.Unmarshal(in, &struct{}{})
c.Assert(err, IsNil)
}
func testDecodeError(c *C, in []byte, result interface{}) {
err := bson.Unmarshal(in, result)
c.Assert(err, Not(IsNil))
}
{{range .}}
{{range .Valid}}
func (s *S) Test{{.Name}}(c *C) {
b, err := hex.DecodeString("{{.Bson}}")
c.Assert(err, IsNil)
{{if .CanonicalBson}}
cb, err := hex.DecodeString("{{.CanonicalBson}}")
c.Assert(err, IsNil)
{{else}}
cb := b
{{end}}
var resultD bson.D
testValid(c, b, cb, &resultD)
{{if .StructTest}}var resultS struct {
Element {{.TestDef.GoType}} ` + "`bson:\"{{.TestDef.TestKey}}\"`" + `
}
testValid(c, b, cb, &resultS){{end}}
testDecodeSkip(c, b)
}
{{end}}
{{range .DecodeErrors}}
func (s *S) Test{{.Name}}(c *C) {
b, err := hex.DecodeString("{{.Bson}}")
c.Assert(err, IsNil)
var resultD bson.D
testDecodeError(c, b, &resultD)
}
{{end}}
{{end}}
`
tmpl, err := template.New("").Parse(content)
if err != nil {
return nil, err
}
return tmpl, nil
}
func cleanupFuncName(name string) string {
return strings.Map(func(r rune) rune {
if (r >= 48 && r <= 57) || (r >= 65 && r <= 90) || (r >= 97 && r <= 122) {
return r
}
return '_'
}, name)
}
type testDef struct {
Description string `json:"description"`
BsonType string `json:"bson_type"`
TestKey string `json:"test_key"`
Valid []*valid `json:"valid"`
DecodeErrors []*decodeError `json:"decodeErrors"`
Deprecated bool `json:"deprecated"`
}
func (t *testDef) GoType() string {
switch t.BsonType {
case "0x01":
return "float64"
case "0x02":
return "string"
case "0x03":
return "bson.D"
case "0x04":
return "[]interface{}"
case "0x05":
return "[]byte"
case "0x07":
return "bson.ObjectId"
case "0x08":
return "bool"
case "0x09":
return "time.Time"
case "0x0E":
return "string"
case "0x10":
return "int32"
case "0x12":
return "int64"
case "0x13":
return "bson.Decimal"
default:
return "interface{}"
}
}
type valid struct {
Description string `json:"description"`
Bson string `json:"bson"`
CanonicalBson string `json:"canonical_bson"`
Name string
StructTest bool
TestDef *testDef
}
type decodeError struct {
Description string `json:"description"`
Bson string `json:"bson"`
Name string
}

76
vendor/github.com/google/btree/btree_mem.go generated vendored
View File

@ -1,76 +0,0 @@
// Copyright 2014 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build ignore
// This binary compares memory usage between btree and gollrb.
package main
import (
"flag"
"fmt"
"math/rand"
"runtime"
"time"
"github.com/google/btree"
"github.com/petar/GoLLRB/llrb"
)
var (
size = flag.Int("size", 1000000, "size of the tree to build")
degree = flag.Int("degree", 8, "degree of btree")
gollrb = flag.Bool("llrb", false, "use llrb instead of btree")
)
func main() {
flag.Parse()
vals := rand.Perm(*size)
var t, v interface{}
v = vals
var stats runtime.MemStats
for i := 0; i < 10; i++ {
runtime.GC()
}
fmt.Println("-------- BEFORE ----------")
runtime.ReadMemStats(&stats)
fmt.Printf("%+v\n", stats)
start := time.Now()
if *gollrb {
tr := llrb.New()
for _, v := range vals {
tr.ReplaceOrInsert(llrb.Int(v))
}
t = tr // keep it around
} else {
tr := btree.New(*degree)
for _, v := range vals {
tr.ReplaceOrInsert(btree.Int(v))
}
t = tr // keep it around
}
fmt.Printf("%v inserts in %v\n", *size, time.Since(start))
fmt.Println("-------- AFTER ----------")
runtime.ReadMemStats(&stats)
fmt.Printf("%+v\n", stats)
for i := 0; i < 10; i++ {
runtime.GC()
}
fmt.Println("-------- AFTER GC ----------")
runtime.ReadMemStats(&stats)
fmt.Printf("%+v\n", stats)
if t == v {
fmt.Println("to make sure vals and tree aren't GC'd")
}
}

187
vendor/github.com/google/certificate-transparency-go/x509/root_darwin_arm_gen.go generated vendored
View File

@ -1,187 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// Generates root_darwin_armx.go.
//
// As of iOS 8, there is no API for querying the system trusted X.509 root
// certificates. We could use SecTrustEvaluate to verify that a trust chain
// exists for a certificate, but the x509 API requires returning the entire
// chain.
//
// Apple publishes the list of trusted root certificates for iOS on
// support.apple.com. So we parse the list and extract the certificates from
// an OS X machine and embed them into the x509 package.
package main
import (
"bytes"
"crypto/sha256"
"encoding/hex"
"encoding/pem"
"flag"
"fmt"
"go/format"
"io/ioutil"
"log"
"net/http"
"os/exec"
"regexp"
"strings"
"github.com/google/certificate-transparency-go/x509"
)
var output = flag.String("output", "root_darwin_armx.go", "file name to write")
func main() {
certs, err := selectCerts()
if err != nil {
log.Fatal(err)
}
buf := new(bytes.Buffer)
fmt.Fprintf(buf, "// Code generated by root_darwin_arm_gen --output %s; DO NOT EDIT.\n", *output)
fmt.Fprintf(buf, "%s", header)
fmt.Fprintf(buf, "const systemRootsPEM = `\n")
for _, cert := range certs {
b := &pem.Block{
Type: "CERTIFICATE",
Bytes: cert.Raw,
}
if err := pem.Encode(buf, b); err != nil {
log.Fatal(err)
}
}
fmt.Fprintf(buf, "`")
source, err := format.Source(buf.Bytes())
if err != nil {
log.Fatal("source format error:", err)
}
if err := ioutil.WriteFile(*output, source, 0644); err != nil {
log.Fatal(err)
}
}
func selectCerts() ([]*x509.Certificate, error) {
ids, err := fetchCertIDs()
if err != nil {
return nil, err
}
scerts, err := sysCerts()
if err != nil {
return nil, err
}
var certs []*x509.Certificate
for _, id := range ids {
if c, ok := scerts[id.fingerprint]; ok {
certs = append(certs, c)
} else {
fmt.Printf("WARNING: cannot find certificate: %s (fingerprint: %s)\n", id.name, id.fingerprint)
}
}
return certs, nil
}
func sysCerts() (certs map[string]*x509.Certificate, err error) {
cmd := exec.Command("/usr/bin/security", "find-certificate", "-a", "-p", "/System/Library/Keychains/SystemRootCertificates.keychain")
data, err := cmd.Output()
if err != nil {
return nil, err
}
certs = make(map[string]*x509.Certificate)
for len(data) > 0 {
var block *pem.Block
block, data = pem.Decode(data)
if block == nil {
break
}
if block.Type != "CERTIFICATE" || len(block.Headers) != 0 {
continue
}
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
continue
}
fingerprint := sha256.Sum256(cert.Raw)
certs[hex.EncodeToString(fingerprint[:])] = cert
}
return certs, nil
}
type certID struct {
name string
fingerprint string
}
// fetchCertIDs fetches IDs of iOS X509 certificates from apple.com.
func fetchCertIDs() ([]certID, error) {
// Download the iOS 11 support page. The index for all iOS versions is here:
// https://support.apple.com/en-us/HT204132
resp, err := http.Get("https://support.apple.com/en-us/HT208125")
if err != nil {
return nil, err
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
text := string(body)
text = text[strings.Index(text, "<div id=trusted"):]
text = text[:strings.Index(text, "</div>")]
var ids []certID
cols := make(map[string]int)
for i, rowmatch := range regexp.MustCompile("(?s)<tr>(.*?)</tr>").FindAllStringSubmatch(text, -1) {
row := rowmatch[1]
if i == 0 {
// Parse table header row to extract column names
for i, match := range regexp.MustCompile("(?s)<th>(.*?)</th>").FindAllStringSubmatch(row, -1) {
cols[match[1]] = i
}
continue
}
values := regexp.MustCompile("(?s)<td>(.*?)</td>").FindAllStringSubmatch(row, -1)
name := values[cols["Certificate name"]][1]
fingerprint := values[cols["Fingerprint (SHA-256)"]][1]
fingerprint = strings.Replace(fingerprint, "<br>", "", -1)
fingerprint = strings.Replace(fingerprint, "\n", "", -1)
fingerprint = strings.Replace(fingerprint, " ", "", -1)
fingerprint = strings.ToLower(fingerprint)
ids = append(ids, certID{
name: name,
fingerprint: fingerprint,
})
}
return ids, nil
}
const header = `
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build cgo
// +build darwin
// +build arm arm64 ios
package x509
func loadSystemRoots() (*CertPool, error) {
p := NewCertPool()
p.AppendCertsFromPEM([]byte(systemRootsPEM))
return p, nil
}
`

55
vendor/github.com/google/certificate-transparency-go/x509/x509_test_import.go generated vendored
View File

@ -1,55 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// This file is run by the x509 tests to ensure that a program with minimal
// imports can sign certificates without errors resulting from missing hash
// functions.
package main
import (
"crypto/rand"
// START CT CHANGES
"github.com/google/certificate-transparency-go/x509"
"github.com/google/certificate-transparency-go/x509/pkix"
// END CT CHANGES
"encoding/pem"
"math/big"
"time"
)
func main() {
block, _ := pem.Decode([]byte(pemPrivateKey))
rsaPriv, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
panic("Failed to parse private key: " + err.Error())
}
template := x509.Certificate{
SerialNumber: big.NewInt(1),
Subject: pkix.Name{
CommonName: "test",
Organization: []string{"Σ Acme Co"},
},
NotBefore: time.Unix(1000, 0),
NotAfter: time.Unix(100000, 0),
KeyUsage: x509.KeyUsageCertSign,
}
if _, err = x509.CreateCertificate(rand.Reader, &template, &template, &rsaPriv.PublicKey, rsaPriv); err != nil {
panic("failed to create certificate with basic imports: " + err.Error())
}
}
var pemPrivateKey = `-----BEGIN RSA PRIVATE KEY-----
MIIBOgIBAAJBALKZD0nEffqM1ACuak0bijtqE2QrI/KLADv7l3kK3ppMyCuLKoF0
fd7Ai2KW5ToIwzFofvJcS/STa6HA5gQenRUCAwEAAQJBAIq9amn00aS0h/CrjXqu
/ThglAXJmZhOMPVn4eiu7/ROixi9sex436MaVeMqSNf7Ex9a8fRNfWss7Sqd9eWu
RTUCIQDasvGASLqmjeffBNLTXV2A5g4t+kLVCpsEIZAycV5GswIhANEPLmax0ME/
EO+ZJ79TJKN5yiGBRsv5yvx5UiHxajEXAiAhAol5N4EUyq6I9w1rYdhPMGpLfk7A
IU2snfRJ6Nq2CQIgFrPsWRCkV+gOYcajD17rEqmuLrdIRexpg8N1DOSXoJ8CIGlS
tAboUGBxTDq3ZroNism3DaMIbKPyYrAqhKov1h5V
-----END RSA PRIVATE KEY-----
`

1
vendor/github.com/j-keck/arping/.gitignore generated vendored
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@ -1 +0,0 @@
arping

22
vendor/github.com/j-keck/arping/LICENSE generated vendored
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@ -1,22 +0,0 @@
The MIT License (MIT)
Copyright (c) 2014-2016 j-keck [jhyphenkeck@gmail.com]
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

29
vendor/github.com/j-keck/arping/README.md generated vendored
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@ -1,29 +0,0 @@
# arping
arping is a native go library to ping a host per arp datagram, or query a host mac address
The currently supported platforms are: Linux and BSD.
## Usage
### arping library
* import this library per `import "github.com/j-keck/arping"`
* export GOPATH if not already (`export GOPATH=$PWD`)
* download the library `go get`
* run it `sudo -E go run <YOUR PROGRAMM>`
* or build it `go build`
The library requires raw socket access. So it must run as root, or with appropriate capabilities under linux: `sudo setcap cap_net_raw+ep <BIN>`.
For api doc and examples see: [godoc](http://godoc.org/github.com/j-keck/arping) or check the standalone under 'cmd/arping/main.go'.
### arping executable
To get a runnable pinger use `go get -u github.com/j-keck/arping/cmd/arping`. This will build the binary in $GOPATH/bin.
arping requires raw socket access. So it must run as root, or with appropriate capabilities under Linux: `sudo setcap cap_net_raw+ep <ARPING_PATH>`.

97
vendor/github.com/j-keck/arping/arp_datagram.go generated vendored
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@ -1,97 +0,0 @@
package arping
import (
"bytes"
"encoding/binary"
"net"
)
const (
requestOper = 1
responseOper = 2
)
type arpDatagram struct {
htype uint16 // Hardware Type
ptype uint16 // Protocol Type
hlen uint8 // Hardware address Length
plen uint8 // Protocol address length
oper uint16 // Operation 1->request, 2->response
sha []byte // Sender hardware address, length from Hlen
spa []byte // Sender protocol address, length from Plen
tha []byte // Target hardware address, length from Hlen
tpa []byte // Target protocol address, length from Plen
}
func newArpRequest(
srcMac net.HardwareAddr,
srcIP net.IP,
dstMac net.HardwareAddr,
dstIP net.IP) arpDatagram {
return arpDatagram{
htype: uint16(1),
ptype: uint16(0x0800),
hlen: uint8(6),
plen: uint8(4),
oper: uint16(requestOper),
sha: srcMac,
spa: srcIP.To4(),
tha: dstMac,
tpa: dstIP.To4()}
}
func (datagram arpDatagram) Marshal() []byte {
buf := new(bytes.Buffer)
binary.Write(buf, binary.BigEndian, datagram.htype)
binary.Write(buf, binary.BigEndian, datagram.ptype)
binary.Write(buf, binary.BigEndian, datagram.hlen)
binary.Write(buf, binary.BigEndian, datagram.plen)
binary.Write(buf, binary.BigEndian, datagram.oper)
buf.Write(datagram.sha)
buf.Write(datagram.spa)
buf.Write(datagram.tha)
buf.Write(datagram.tpa)
return buf.Bytes()
}
func (datagram arpDatagram) MarshalWithEthernetHeader() []byte {
// ethernet frame header
var ethernetHeader []byte
ethernetHeader = append(ethernetHeader, datagram.tha...)
ethernetHeader = append(ethernetHeader, datagram.sha...)
ethernetHeader = append(ethernetHeader, []byte{0x08, 0x06}...) // arp
return append(ethernetHeader, datagram.Marshal()...)
}
func (datagram arpDatagram) SenderIP() net.IP {
return net.IP(datagram.spa)
}
func (datagram arpDatagram) SenderMac() net.HardwareAddr {
return net.HardwareAddr(datagram.sha)
}
func (datagram arpDatagram) IsResponseOf(request arpDatagram) bool {
return datagram.oper == responseOper && bytes.Compare(request.spa, datagram.tpa) == 0
}
func parseArpDatagram(buffer []byte) arpDatagram {
var datagram arpDatagram
b := bytes.NewBuffer(buffer)
binary.Read(b, binary.BigEndian, &datagram.htype)
binary.Read(b, binary.BigEndian, &datagram.ptype)
binary.Read(b, binary.BigEndian, &datagram.hlen)
binary.Read(b, binary.BigEndian, &datagram.plen)
binary.Read(b, binary.BigEndian, &datagram.oper)
haLen := int(datagram.hlen)
paLen := int(datagram.plen)
datagram.sha = b.Next(haLen)
datagram.spa = b.Next(paLen)
datagram.tha = b.Next(haLen)
datagram.tpa = b.Next(paLen)
return datagram
}

230
vendor/github.com/j-keck/arping/arping.go generated vendored
View File

@ -1,230 +0,0 @@
// Package arping is a native go library to ping a host per arp datagram, or query a host mac address
//
// The currently supported platforms are: Linux and BSD.
//
//
// The library requires raw socket access. So it must run as root, or with appropriate capabilities under linux:
// `sudo setcap cap_net_raw+ep <BIN>`.
//
//
// Examples:
//
// ping a host:
// ------------
// package main
// import ("fmt"; "github.com/j-keck/arping"; "net")
//
// func main(){
// dstIP := net.ParseIP("192.168.1.1")
// if hwAddr, duration, err := arping.Ping(dstIP); err != nil {
// fmt.Println(err)
// } else {
// fmt.Printf("%s (%s) %d usec\n", dstIP, hwAddr, duration/1000)
// }
// }
//
//
// resolve mac address:
// --------------------
// package main
// import ("fmt"; "github.com/j-keck/arping"; "net")
//
// func main(){
// dstIP := net.ParseIP("192.168.1.1")
// if hwAddr, _, err := arping.Ping(dstIP); err != nil {
// fmt.Println(err)
// } else {
// fmt.Printf("%s is at %s\n", dstIP, hwAddr)
// }
// }
//
//
// check if host is online:
// ------------------------
// package main
// import ("fmt"; "github.com/j-keck/arping"; "net")
//
// func main(){
// dstIP := net.ParseIP("192.168.1.1")
// _, _, err := arping.Ping(dstIP)
// if err == arping.ErrTimeout {
// fmt.Println("offline")
// }else if err != nil {
// fmt.Println(err.Error())
// }else{
// fmt.Println("online")
// }
// }
//
package arping
import (
"errors"
"io/ioutil"
"log"
"net"
"os"
"time"
"fmt"
)
var (
// ErrTimeout error
ErrTimeout = errors.New("timeout")
verboseLog = log.New(ioutil.Discard, "", 0)
timeout = time.Duration(500 * time.Millisecond)
)
// Ping sends an arp ping to 'dstIP'
func Ping(dstIP net.IP) (net.HardwareAddr, time.Duration, error) {
if err := validateIP(dstIP); err != nil {
return nil, 0, err
}
iface, err := findUsableInterfaceForNetwork(dstIP)
if err != nil {
return nil, 0, err
}
return PingOverIface(dstIP, *iface)
}
// PingOverIfaceByName sends an arp ping over interface name 'ifaceName' to 'dstIP'
func PingOverIfaceByName(dstIP net.IP, ifaceName string) (net.HardwareAddr, time.Duration, error) {
if err := validateIP(dstIP); err != nil {
return nil, 0, err
}
iface, err := net.InterfaceByName(ifaceName)
if err != nil {
return nil, 0, err
}
return PingOverIface(dstIP, *iface)
}
// PingOverIface sends an arp ping over interface 'iface' to 'dstIP'
func PingOverIface(dstIP net.IP, iface net.Interface) (net.HardwareAddr, time.Duration, error) {
if err := validateIP(dstIP); err != nil {
return nil, 0, err
}
srcMac := iface.HardwareAddr
srcIP, err := findIPInNetworkFromIface(dstIP, iface)
if err != nil {
return nil, 0, err
}
broadcastMac := []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}
request := newArpRequest(srcMac, srcIP, broadcastMac, dstIP)
if err := initialize(iface); err != nil {
return nil, 0, err
}
defer deinitialize()
type PingResult struct {
mac net.HardwareAddr
duration time.Duration
err error
}
pingResultChan := make(chan PingResult)
go func() {
// send arp request
verboseLog.Printf("arping '%s' over interface: '%s' with address: '%s'\n", dstIP, iface.Name, srcIP)
if sendTime, err := send(request); err != nil {
pingResultChan <- PingResult{nil, 0, err}
} else {
for {
// receive arp response
response, receiveTime, err := receive()
if err != nil {
pingResultChan <- PingResult{nil, 0, err}
return
}
if response.IsResponseOf(request) {
duration := receiveTime.Sub(sendTime)
verboseLog.Printf("process received arp: srcIP: '%s', srcMac: '%s'\n",
response.SenderIP(), response.SenderMac())
pingResultChan <- PingResult{response.SenderMac(), duration, err}
return
}
verboseLog.Printf("ignore received arp: srcIP: '%s', srcMac: '%s'\n",
response.SenderIP(), response.SenderMac())
}
}
}()
select {
case pingResult := <-pingResultChan:
return pingResult.mac, pingResult.duration, pingResult.err
case <-time.After(timeout):
return nil, 0, ErrTimeout
}
}
// GratuitousArp sends an gratuitous arp from 'srcIP'
func GratuitousArp(srcIP net.IP) error {
if err := validateIP(srcIP); err != nil {
return err
}
iface, err := findUsableInterfaceForNetwork(srcIP)
if err != nil {
return err
}
return GratuitousArpOverIface(srcIP, *iface)
}
// GratuitousArpOverIfaceByName sends an gratuitous arp over interface name 'ifaceName' from 'srcIP'
func GratuitousArpOverIfaceByName(srcIP net.IP, ifaceName string) error {
if err := validateIP(srcIP); err != nil {
return err
}
iface, err := net.InterfaceByName(ifaceName)
if err != nil {
return err
}
return GratuitousArpOverIface(srcIP, *iface)
}
// GratuitousArpOverIface sends an gratuitous arp over interface 'iface' from 'srcIP'
func GratuitousArpOverIface(srcIP net.IP, iface net.Interface) error {
if err := validateIP(srcIP); err != nil {
return err
}
srcMac := iface.HardwareAddr
broadcastMac := []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}
request := newArpRequest(srcMac, srcIP, broadcastMac, srcIP)
if err := initialize(iface); err != nil {
return err
}
defer deinitialize()
verboseLog.Printf("gratuitous arp over interface: '%s' with address: '%s'\n", iface.Name, srcIP)
_, err := send(request)
return err
}
// EnableVerboseLog enables verbose logging on stdout
func EnableVerboseLog() {
verboseLog = log.New(os.Stdout, "", 0)
}
// SetTimeout sets ping timeout
func SetTimeout(t time.Duration) {
timeout = t
}
func validateIP(ip net.IP) error {
// ip must be a valid V4 address
if len(ip.To4()) != net.IPv4len {
return fmt.Errorf("not a valid v4 Address: %s", ip)
}
return nil
}

101
vendor/github.com/j-keck/arping/arping_bsd.go generated vendored
View File

@ -1,101 +0,0 @@
// +build darwin freebsd openbsd
package arping
import (
"errors"
"fmt"
"net"
"os"
"runtime"
"syscall"
"time"
)
var bpf *os.File
var bpfFd int
var buflen int
var bpfArpFilter = []syscall.BpfInsn{
// make sure this is an arp packet
*syscall.BpfStmt(syscall.BPF_LD+syscall.BPF_H+syscall.BPF_ABS, 12),
*syscall.BpfJump(syscall.BPF_JMP+syscall.BPF_JEQ+syscall.BPF_K, 0x0806, 0, 1),
// if we passed all the tests, ask for the whole packet.
*syscall.BpfStmt(syscall.BPF_RET+syscall.BPF_K, -1),
// otherwise, drop it.
*syscall.BpfStmt(syscall.BPF_RET+syscall.BPF_K, 0),
}
func initialize(iface net.Interface) (err error) {
verboseLog.Println("search available /dev/bpfX")
for i := 0; i <= 10; i++ {
bpfPath := fmt.Sprintf("/dev/bpf%d", i)
bpf, err = os.OpenFile(bpfPath, os.O_RDWR, 0666)
if err != nil {
verboseLog.Printf(" open failed: %s - %s\n", bpfPath, err.Error())
} else {
verboseLog.Printf(" open success: %s\n", bpfPath)
break
}
}
bpfFd = int(bpf.Fd())
if bpfFd == -1 {
return errors.New("unable to open /dev/bpfX")
}
if err := syscall.SetBpfInterface(bpfFd, iface.Name); err != nil {
return err
}
if err := syscall.SetBpfImmediate(bpfFd, 1); err != nil {
return err
}
buflen, err = syscall.BpfBuflen(bpfFd)
if err != nil {
return err
}
if err := syscall.SetBpf(bpfFd, bpfArpFilter); err != nil {
return err
}
if err := syscall.FlushBpf(bpfFd); err != nil {
return err
}
return nil
}
func send(request arpDatagram) (time.Time, error) {
_, err := syscall.Write(bpfFd, request.MarshalWithEthernetHeader())
return time.Now(), err
}
func receive() (arpDatagram, time.Time, error) {
buffer := make([]byte, buflen)
n, err := syscall.Read(bpfFd, buffer)
if err != nil {
return arpDatagram{}, time.Now(), err
}
//
// FreeBSD uses a different bpf header (bh_tstamp differ in it's size)
// https://www.freebsd.org/cgi/man.cgi?bpf(4)#BPF_HEADER
//
var bpfHdrLength int
if runtime.GOOS == "freebsd" {
bpfHdrLength = 26
} else {
bpfHdrLength = 18
}
// skip bpf header + 14 bytes ethernet header
var hdrLength = bpfHdrLength + 14
return parseArpDatagram(buffer[hdrLength:n]), time.Now(), nil
}
func deinitialize() error {
return bpf.Close()
}

38
vendor/github.com/j-keck/arping/arping_linux.go generated vendored
View File

@ -1,38 +0,0 @@
package arping
import (
"net"
"syscall"
"time"
)
var sock int
var toSockaddr syscall.SockaddrLinklayer
func initialize(iface net.Interface) error {
toSockaddr = syscall.SockaddrLinklayer{Ifindex: iface.Index}
// 1544 = htons(ETH_P_ARP)
const proto = 1544
var err error
sock, err = syscall.Socket(syscall.AF_PACKET, syscall.SOCK_RAW, proto)
return err
}
func send(request arpDatagram) (time.Time, error) {
return time.Now(), syscall.Sendto(sock, request.MarshalWithEthernetHeader(), 0, &toSockaddr)
}
func receive() (arpDatagram, time.Time, error) {
buffer := make([]byte, 128)
n, _, err := syscall.Recvfrom(sock, buffer, 0)
if err != nil {
return arpDatagram{}, time.Now(), err
}
// skip 14 bytes ethernet header
return parseArpDatagram(buffer[14:n]), time.Now(), nil
}
func deinitialize() error {
return syscall.Close(sock)
}

28
vendor/github.com/j-keck/arping/arping_windows.go generated vendored
View File

@ -1,28 +0,0 @@
// windows currently not supported.
// dummy implementation to prevent compilation errors under windows
package arping
import (
"errors"
"net"
"time"
)
var errWindowsNotSupported = errors.New("arping under windows not supported")
func initialize(iface net.Interface) error {
return errWindowsNotSupported
}
func send(request arpDatagram) (time.Time, error) {
return time.Now(), errWindowsNotSupported
}
func receive() (arpDatagram, time.Time, error) {
return arpDatagram{}, time.Now(), errWindowsNotSupported
}
func deinitialize() error {
return errWindowsNotSupported
}

1
vendor/github.com/j-keck/arping/go.mod generated vendored
View File

@ -1 +0,0 @@
module github.com/j-keck/arping

64
vendor/github.com/j-keck/arping/netutils.go generated vendored
View File

@ -1,64 +0,0 @@
package arping
import (
"errors"
"fmt"
"net"
)
func findIPInNetworkFromIface(dstIP net.IP, iface net.Interface) (net.IP, error) {
addrs, err := iface.Addrs()
if err != nil {
return nil, err
}
for _, a := range addrs {
if ipnet, ok := a.(*net.IPNet); ok {
if ipnet.Contains(dstIP) {
return ipnet.IP, nil
}
}
}
return nil, fmt.Errorf("iface: '%s' can't reach ip: '%s'", iface.Name, dstIP)
}
func findUsableInterfaceForNetwork(dstIP net.IP) (*net.Interface, error) {
ifaces, err := net.Interfaces()
if err != nil {
return nil, err
}
isDown := func(iface net.Interface) bool {
return iface.Flags&1 == 0
}
hasAddressInNetwork := func(iface net.Interface) bool {
if _, err := findIPInNetworkFromIface(dstIP, iface); err != nil {
return false
}
return true
}
verboseLog.Println("search usable interface")
logIfaceResult := func(msg string, iface net.Interface) {
verboseLog.Printf("%10s: %6s %18s %s", msg, iface.Name, iface.HardwareAddr, iface.Flags)
}
for _, iface := range ifaces {
if isDown(iface) {
logIfaceResult("DOWN", iface)
continue
}
if !hasAddressInNetwork(iface) {
logIfaceResult("OTHER NET", iface)
continue
}
logIfaceResult("USABLE", iface)
return &iface, nil
}
return nil, errors.New("no usable interface found")
}

93
vendor/github.com/lib/pq/oid/gen.go generated vendored
View File

@ -1,93 +0,0 @@
// +build ignore
// Generate the table of OID values
// Run with 'go run gen.go'.
package main
import (
"database/sql"
"fmt"
"log"
"os"
"os/exec"
"strings"
_ "github.com/lib/pq"
)
// OID represent a postgres Object Identifier Type.
type OID struct {
ID int
Type string
}
// Name returns an upper case version of the oid type.
func (o OID) Name() string {
return strings.ToUpper(o.Type)
}
func main() {
datname := os.Getenv("PGDATABASE")
sslmode := os.Getenv("PGSSLMODE")
if datname == "" {
os.Setenv("PGDATABASE", "pqgotest")
}
if sslmode == "" {
os.Setenv("PGSSLMODE", "disable")
}
db, err := sql.Open("postgres", "")
if err != nil {
log.Fatal(err)
}
rows, err := db.Query(`
SELECT typname, oid
FROM pg_type WHERE oid < 10000
ORDER BY oid;
`)
if err != nil {
log.Fatal(err)
}
oids := make([]*OID, 0)
for rows.Next() {
var oid OID
if err = rows.Scan(&oid.Type, &oid.ID); err != nil {
log.Fatal(err)
}
oids = append(oids, &oid)
}
if err = rows.Err(); err != nil {
log.Fatal(err)
}
cmd := exec.Command("gofmt")
cmd.Stderr = os.Stderr
w, err := cmd.StdinPipe()
if err != nil {
log.Fatal(err)
}
f, err := os.Create("types.go")
if err != nil {
log.Fatal(err)
}
cmd.Stdout = f
err = cmd.Start()
if err != nil {
log.Fatal(err)
}
fmt.Fprintln(w, "// Code generated by gen.go. DO NOT EDIT.")
fmt.Fprintln(w, "\npackage oid")
fmt.Fprintln(w, "const (")
for _, oid := range oids {
fmt.Fprintf(w, "T_%s Oid = %d\n", oid.Type, oid.ID)
}
fmt.Fprintln(w, ")")
fmt.Fprintln(w, "var TypeName = map[Oid]string{")
for _, oid := range oids {
fmt.Fprintf(w, "T_%s: \"%s\",\n", oid.Type, oid.Name())
}
fmt.Fprintln(w, "}")
w.Close()
cmd.Wait()
}

144
vendor/github.com/miekg/dns/duplicate_generate.go generated vendored
View File

@ -1,144 +0,0 @@
//+build ignore
// types_generate.go is meant to run with go generate. It will use
// go/{importer,types} to track down all the RR struct types. Then for each type
// it will generate conversion tables (TypeToRR and TypeToString) and banal
// methods (len, Header, copy) based on the struct tags. The generated source is
// written to ztypes.go, and is meant to be checked into git.
package main
import (
"bytes"
"fmt"
"go/format"
"go/importer"
"go/types"
"log"
"os"
)
var packageHdr = `
// Code generated by "go run duplicate_generate.go"; DO NOT EDIT.
package dns
`
func getTypeStruct(t types.Type, scope *types.Scope) (*types.Struct, bool) {
st, ok := t.Underlying().(*types.Struct)
if !ok {
return nil, false
}
if st.Field(0).Type() == scope.Lookup("RR_Header").Type() {
return st, false
}
if st.Field(0).Anonymous() {
st, _ := getTypeStruct(st.Field(0).Type(), scope)
return st, true
}
return nil, false
}
func main() {
// Import and type-check the package
pkg, err := importer.Default().Import("github.com/miekg/dns")
fatalIfErr(err)
scope := pkg.Scope()
// Collect actual types (*X)
var namedTypes []string
for _, name := range scope.Names() {
o := scope.Lookup(name)
if o == nil || !o.Exported() {
continue
}
if st, _ := getTypeStruct(o.Type(), scope); st == nil {
continue
}
if name == "PrivateRR" || name == "OPT" {
continue
}
namedTypes = append(namedTypes, o.Name())
}
b := &bytes.Buffer{}
b.WriteString(packageHdr)
// Generate the duplicate check for each type.
fmt.Fprint(b, "// isDuplicate() functions\n\n")
for _, name := range namedTypes {
o := scope.Lookup(name)
st, isEmbedded := getTypeStruct(o.Type(), scope)
if isEmbedded {
continue
}
fmt.Fprintf(b, "func (r1 *%s) isDuplicate(_r2 RR) bool {\n", name)
fmt.Fprintf(b, "r2, ok := _r2.(*%s)\n", name)
fmt.Fprint(b, "if !ok { return false }\n")
fmt.Fprint(b, "_ = r2\n")
for i := 1; i < st.NumFields(); i++ {
field := st.Field(i).Name()
o2 := func(s string) { fmt.Fprintf(b, s+"\n", field, field) }
o3 := func(s string) { fmt.Fprintf(b, s+"\n", field, field, field) }
// For some reason, a and aaaa don't pop up as *types.Slice here (mostly like because the are
// *indirectly* defined as a slice in the net package).
if _, ok := st.Field(i).Type().(*types.Slice); ok {
o2("if len(r1.%s) != len(r2.%s) {\nreturn false\n}")
if st.Tag(i) == `dns:"cdomain-name"` || st.Tag(i) == `dns:"domain-name"` {
o3(`for i := 0; i < len(r1.%s); i++ {
if !isDulicateName(r1.%s[i], r2.%s[i]) {
return false
}
}`)
continue
}
o3(`for i := 0; i < len(r1.%s); i++ {
if r1.%s[i] != r2.%s[i] {
return false
}
}`)
continue
}
switch st.Tag(i) {
case `dns:"-"`:
// ignored
case `dns:"a"`, `dns:"aaaa"`:
o2("if !r1.%s.Equal(r2.%s) {\nreturn false\n}")
case `dns:"cdomain-name"`, `dns:"domain-name"`:
o2("if !isDulicateName(r1.%s, r2.%s) {\nreturn false\n}")
default:
o2("if r1.%s != r2.%s {\nreturn false\n}")
}
}
fmt.Fprintf(b, "return true\n}\n\n")
}
// gofmt
res, err := format.Source(b.Bytes())
if err != nil {
b.WriteTo(os.Stderr)
log.Fatal(err)
}
// write result
f, err := os.Create("zduplicate.go")
fatalIfErr(err)
defer f.Close()
f.Write(res)
}
func fatalIfErr(err error) {
if err != nil {
log.Fatal(err)
}
}

328
vendor/github.com/miekg/dns/msg_generate.go generated vendored
View File

@ -1,328 +0,0 @@
//+build ignore
// msg_generate.go is meant to run with go generate. It will use
// go/{importer,types} to track down all the RR struct types. Then for each type
// it will generate pack/unpack methods based on the struct tags. The generated source is
// written to zmsg.go, and is meant to be checked into git.
package main
import (
"bytes"
"fmt"
"go/format"
"go/importer"
"go/types"
"log"
"os"
"strings"
)
var packageHdr = `
// Code generated by "go run msg_generate.go"; DO NOT EDIT.
package dns
`
// getTypeStruct will take a type and the package scope, and return the
// (innermost) struct if the type is considered a RR type (currently defined as
// those structs beginning with a RR_Header, could be redefined as implementing
// the RR interface). The bool return value indicates if embedded structs were
// resolved.
func getTypeStruct(t types.Type, scope *types.Scope) (*types.Struct, bool) {
st, ok := t.Underlying().(*types.Struct)
if !ok {
return nil, false
}
if st.Field(0).Type() == scope.Lookup("RR_Header").Type() {
return st, false
}
if st.Field(0).Anonymous() {
st, _ := getTypeStruct(st.Field(0).Type(), scope)
return st, true
}
return nil, false
}
func main() {
// Import and type-check the package
pkg, err := importer.Default().Import("github.com/miekg/dns")
fatalIfErr(err)
scope := pkg.Scope()
// Collect actual types (*X)
var namedTypes []string
for _, name := range scope.Names() {
o := scope.Lookup(name)
if o == nil || !o.Exported() {
continue
}
if st, _ := getTypeStruct(o.Type(), scope); st == nil {
continue
}
if name == "PrivateRR" {
continue
}
// Check if corresponding TypeX exists
if scope.Lookup("Type"+o.Name()) == nil && o.Name() != "RFC3597" {
log.Fatalf("Constant Type%s does not exist.", o.Name())
}
namedTypes = append(namedTypes, o.Name())
}
b := &bytes.Buffer{}
b.WriteString(packageHdr)
fmt.Fprint(b, "// pack*() functions\n\n")
for _, name := range namedTypes {
o := scope.Lookup(name)
st, _ := getTypeStruct(o.Type(), scope)
fmt.Fprintf(b, "func (rr *%s) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {\n", name)
for i := 1; i < st.NumFields(); i++ {
o := func(s string) {
fmt.Fprintf(b, s, st.Field(i).Name())
fmt.Fprint(b, `if err != nil {
return off, err
}
`)
}
if _, ok := st.Field(i).Type().(*types.Slice); ok {
switch st.Tag(i) {
case `dns:"-"`: // ignored
case `dns:"txt"`:
o("off, err = packStringTxt(rr.%s, msg, off)\n")
case `dns:"opt"`:
o("off, err = packDataOpt(rr.%s, msg, off)\n")
case `dns:"nsec"`:
o("off, err = packDataNsec(rr.%s, msg, off)\n")
case `dns:"domain-name"`:
o("off, err = packDataDomainNames(rr.%s, msg, off, compression, false)\n")
default:
log.Fatalln(name, st.Field(i).Name(), st.Tag(i))
}
continue
}
switch {
case st.Tag(i) == `dns:"-"`: // ignored
case st.Tag(i) == `dns:"cdomain-name"`:
o("off, err = packDomainName(rr.%s, msg, off, compression, compress)\n")
case st.Tag(i) == `dns:"domain-name"`:
o("off, err = packDomainName(rr.%s, msg, off, compression, false)\n")
case st.Tag(i) == `dns:"a"`:
o("off, err = packDataA(rr.%s, msg, off)\n")
case st.Tag(i) == `dns:"aaaa"`:
o("off, err = packDataAAAA(rr.%s, msg, off)\n")
case st.Tag(i) == `dns:"uint48"`:
o("off, err = packUint48(rr.%s, msg, off)\n")
case st.Tag(i) == `dns:"txt"`:
o("off, err = packString(rr.%s, msg, off)\n")
case strings.HasPrefix(st.Tag(i), `dns:"size-base32`): // size-base32 can be packed just like base32
fallthrough
case st.Tag(i) == `dns:"base32"`:
o("off, err = packStringBase32(rr.%s, msg, off)\n")
case strings.HasPrefix(st.Tag(i), `dns:"size-base64`): // size-base64 can be packed just like base64
fallthrough
case st.Tag(i) == `dns:"base64"`:
o("off, err = packStringBase64(rr.%s, msg, off)\n")
case strings.HasPrefix(st.Tag(i), `dns:"size-hex:SaltLength`):
// directly write instead of using o() so we get the error check in the correct place
field := st.Field(i).Name()
fmt.Fprintf(b, `// Only pack salt if value is not "-", i.e. empty
if rr.%s != "-" {
off, err = packStringHex(rr.%s, msg, off)
if err != nil {
return off, err
}
}
`, field, field)
continue
case strings.HasPrefix(st.Tag(i), `dns:"size-hex`): // size-hex can be packed just like hex
fallthrough
case st.Tag(i) == `dns:"hex"`:
o("off, err = packStringHex(rr.%s, msg, off)\n")
case st.Tag(i) == `dns:"any"`:
o("off, err = packStringAny(rr.%s, msg, off)\n")
case st.Tag(i) == `dns:"octet"`:
o("off, err = packStringOctet(rr.%s, msg, off)\n")
case st.Tag(i) == "":
switch st.Field(i).Type().(*types.Basic).Kind() {
case types.Uint8:
o("off, err = packUint8(rr.%s, msg, off)\n")
case types.Uint16:
o("off, err = packUint16(rr.%s, msg, off)\n")
case types.Uint32:
o("off, err = packUint32(rr.%s, msg, off)\n")
case types.Uint64:
o("off, err = packUint64(rr.%s, msg, off)\n")
case types.String:
o("off, err = packString(rr.%s, msg, off)\n")
default:
log.Fatalln(name, st.Field(i).Name())
}
default:
log.Fatalln(name, st.Field(i).Name(), st.Tag(i))
}
}
fmt.Fprintln(b, "return off, nil }\n")
}
fmt.Fprint(b, "// unpack*() functions\n\n")
for _, name := range namedTypes {
o := scope.Lookup(name)
st, _ := getTypeStruct(o.Type(), scope)
fmt.Fprintf(b, "func (rr *%s) unpack(msg []byte, off int) (off1 int, err error) {\n", name)
fmt.Fprint(b, `rdStart := off
_ = rdStart
`)
for i := 1; i < st.NumFields(); i++ {
o := func(s string) {
fmt.Fprintf(b, s, st.Field(i).Name())
fmt.Fprint(b, `if err != nil {
return off, err
}
`)
}
// size-* are special, because they reference a struct member we should use for the length.
if strings.HasPrefix(st.Tag(i), `dns:"size-`) {
structMember := structMember(st.Tag(i))
structTag := structTag(st.Tag(i))
switch structTag {
case "hex":
fmt.Fprintf(b, "rr.%s, off, err = unpackStringHex(msg, off, off + int(rr.%s))\n", st.Field(i).Name(), structMember)
case "base32":
fmt.Fprintf(b, "rr.%s, off, err = unpackStringBase32(msg, off, off + int(rr.%s))\n", st.Field(i).Name(), structMember)
case "base64":
fmt.Fprintf(b, "rr.%s, off, err = unpackStringBase64(msg, off, off + int(rr.%s))\n", st.Field(i).Name(), structMember)
default:
log.Fatalln(name, st.Field(i).Name(), st.Tag(i))
}
fmt.Fprint(b, `if err != nil {
return off, err
}
`)
continue
}
if _, ok := st.Field(i).Type().(*types.Slice); ok {
switch st.Tag(i) {
case `dns:"-"`: // ignored
case `dns:"txt"`:
o("rr.%s, off, err = unpackStringTxt(msg, off)\n")
case `dns:"opt"`:
o("rr.%s, off, err = unpackDataOpt(msg, off)\n")
case `dns:"nsec"`:
o("rr.%s, off, err = unpackDataNsec(msg, off)\n")
case `dns:"domain-name"`:
o("rr.%s, off, err = unpackDataDomainNames(msg, off, rdStart + int(rr.Hdr.Rdlength))\n")
default:
log.Fatalln(name, st.Field(i).Name(), st.Tag(i))
}
continue
}
switch st.Tag(i) {
case `dns:"-"`: // ignored
case `dns:"cdomain-name"`:
fallthrough
case `dns:"domain-name"`:
o("rr.%s, off, err = UnpackDomainName(msg, off)\n")
case `dns:"a"`:
o("rr.%s, off, err = unpackDataA(msg, off)\n")
case `dns:"aaaa"`:
o("rr.%s, off, err = unpackDataAAAA(msg, off)\n")
case `dns:"uint48"`:
o("rr.%s, off, err = unpackUint48(msg, off)\n")
case `dns:"txt"`:
o("rr.%s, off, err = unpackString(msg, off)\n")
case `dns:"base32"`:
o("rr.%s, off, err = unpackStringBase32(msg, off, rdStart + int(rr.Hdr.Rdlength))\n")
case `dns:"base64"`:
o("rr.%s, off, err = unpackStringBase64(msg, off, rdStart + int(rr.Hdr.Rdlength))\n")
case `dns:"hex"`:
o("rr.%s, off, err = unpackStringHex(msg, off, rdStart + int(rr.Hdr.Rdlength))\n")
case `dns:"any"`:
o("rr.%s, off, err = unpackStringAny(msg, off, rdStart + int(rr.Hdr.Rdlength))\n")
case `dns:"octet"`:
o("rr.%s, off, err = unpackStringOctet(msg, off)\n")
case "":
switch st.Field(i).Type().(*types.Basic).Kind() {
case types.Uint8:
o("rr.%s, off, err = unpackUint8(msg, off)\n")
case types.Uint16:
o("rr.%s, off, err = unpackUint16(msg, off)\n")
case types.Uint32:
o("rr.%s, off, err = unpackUint32(msg, off)\n")
case types.Uint64:
o("rr.%s, off, err = unpackUint64(msg, off)\n")
case types.String:
o("rr.%s, off, err = unpackString(msg, off)\n")
default:
log.Fatalln(name, st.Field(i).Name())
}
default:
log.Fatalln(name, st.Field(i).Name(), st.Tag(i))
}
// If we've hit len(msg) we return without error.
if i < st.NumFields()-1 {
fmt.Fprintf(b, `if off == len(msg) {
return off, nil
}
`)
}
}
fmt.Fprintf(b, "return off, nil }\n\n")
}
// gofmt
res, err := format.Source(b.Bytes())
if err != nil {
b.WriteTo(os.Stderr)
log.Fatal(err)
}
// write result
f, err := os.Create("zmsg.go")
fatalIfErr(err)
defer f.Close()
f.Write(res)
}
// structMember will take a tag like dns:"size-base32:SaltLength" and return the last part of this string.
func structMember(s string) string {
fields := strings.Split(s, ":")
if len(fields) == 0 {
return ""
}
f := fields[len(fields)-1]
// f should have a closing "
if len(f) > 1 {
return f[:len(f)-1]
}
return f
}
// structTag will take a tag like dns:"size-base32:SaltLength" and return base32.
func structTag(s string) string {
fields := strings.Split(s, ":")
if len(fields) < 2 {
return ""
}
return fields[1][len("\"size-"):]
}
func fatalIfErr(err error) {
if err != nil {
log.Fatal(err)
}
}

287
vendor/github.com/miekg/dns/types_generate.go generated vendored
View File

@ -1,287 +0,0 @@
//+build ignore
// types_generate.go is meant to run with go generate. It will use
// go/{importer,types} to track down all the RR struct types. Then for each type
// it will generate conversion tables (TypeToRR and TypeToString) and banal
// methods (len, Header, copy) based on the struct tags. The generated source is
// written to ztypes.go, and is meant to be checked into git.
package main
import (
"bytes"
"fmt"
"go/format"
"go/importer"
"go/types"
"log"
"os"
"strings"
"text/template"
)
var skipLen = map[string]struct{}{
"NSEC": {},
"NSEC3": {},
"OPT": {},
"CSYNC": {},
}
var packageHdr = `
// Code generated by "go run types_generate.go"; DO NOT EDIT.
package dns
import (
"encoding/base64"
"net"
)
`
var TypeToRR = template.Must(template.New("TypeToRR").Parse(`
// TypeToRR is a map of constructors for each RR type.
var TypeToRR = map[uint16]func() RR{
{{range .}}{{if ne . "RFC3597"}} Type{{.}}: func() RR { return new({{.}}) },
{{end}}{{end}} }
`))
var typeToString = template.Must(template.New("typeToString").Parse(`
// TypeToString is a map of strings for each RR type.
var TypeToString = map[uint16]string{
{{range .}}{{if ne . "NSAPPTR"}} Type{{.}}: "{{.}}",
{{end}}{{end}} TypeNSAPPTR: "NSAP-PTR",
}
`))
var headerFunc = template.Must(template.New("headerFunc").Parse(`
{{range .}} func (rr *{{.}}) Header() *RR_Header { return &rr.Hdr }
{{end}}
`))
// getTypeStruct will take a type and the package scope, and return the
// (innermost) struct if the type is considered a RR type (currently defined as
// those structs beginning with a RR_Header, could be redefined as implementing
// the RR interface). The bool return value indicates if embedded structs were
// resolved.
func getTypeStruct(t types.Type, scope *types.Scope) (*types.Struct, bool) {
st, ok := t.Underlying().(*types.Struct)
if !ok {
return nil, false
}
if st.Field(0).Type() == scope.Lookup("RR_Header").Type() {
return st, false
}
if st.Field(0).Anonymous() {
st, _ := getTypeStruct(st.Field(0).Type(), scope)
return st, true
}
return nil, false
}
func main() {
// Import and type-check the package
pkg, err := importer.Default().Import("github.com/miekg/dns")
fatalIfErr(err)
scope := pkg.Scope()
// Collect constants like TypeX
var numberedTypes []string
for _, name := range scope.Names() {
o := scope.Lookup(name)
if o == nil || !o.Exported() {
continue
}
b, ok := o.Type().(*types.Basic)
if !ok || b.Kind() != types.Uint16 {
continue
}
if !strings.HasPrefix(o.Name(), "Type") {
continue
}
name := strings.TrimPrefix(o.Name(), "Type")
if name == "PrivateRR" {
continue
}
numberedTypes = append(numberedTypes, name)
}
// Collect actual types (*X)
var namedTypes []string
for _, name := range scope.Names() {
o := scope.Lookup(name)
if o == nil || !o.Exported() {
continue
}
if st, _ := getTypeStruct(o.Type(), scope); st == nil {
continue
}
if name == "PrivateRR" {
continue
}
// Check if corresponding TypeX exists
if scope.Lookup("Type"+o.Name()) == nil && o.Name() != "RFC3597" {
log.Fatalf("Constant Type%s does not exist.", o.Name())
}
namedTypes = append(namedTypes, o.Name())
}
b := &bytes.Buffer{}
b.WriteString(packageHdr)
// Generate TypeToRR
fatalIfErr(TypeToRR.Execute(b, namedTypes))
// Generate typeToString
fatalIfErr(typeToString.Execute(b, numberedTypes))
// Generate headerFunc
fatalIfErr(headerFunc.Execute(b, namedTypes))
// Generate len()
fmt.Fprint(b, "// len() functions\n")
for _, name := range namedTypes {
if _, ok := skipLen[name]; ok {
continue
}
o := scope.Lookup(name)
st, isEmbedded := getTypeStruct(o.Type(), scope)
if isEmbedded {
continue
}
fmt.Fprintf(b, "func (rr *%s) len(off int, compression map[string]struct{}) int {\n", name)
fmt.Fprintf(b, "l := rr.Hdr.len(off, compression)\n")
for i := 1; i < st.NumFields(); i++ {
o := func(s string) { fmt.Fprintf(b, s, st.Field(i).Name()) }
if _, ok := st.Field(i).Type().(*types.Slice); ok {
switch st.Tag(i) {
case `dns:"-"`:
// ignored
case `dns:"cdomain-name"`:
o("for _, x := range rr.%s { l += domainNameLen(x, off+l, compression, true) }\n")
case `dns:"domain-name"`:
o("for _, x := range rr.%s { l += domainNameLen(x, off+l, compression, false) }\n")
case `dns:"txt"`:
o("for _, x := range rr.%s { l += len(x) + 1 }\n")
default:
log.Fatalln(name, st.Field(i).Name(), st.Tag(i))
}
continue
}
switch {
case st.Tag(i) == `dns:"-"`:
// ignored
case st.Tag(i) == `dns:"cdomain-name"`:
o("l += domainNameLen(rr.%s, off+l, compression, true)\n")
case st.Tag(i) == `dns:"domain-name"`:
o("l += domainNameLen(rr.%s, off+l, compression, false)\n")
case st.Tag(i) == `dns:"octet"`:
o("l += len(rr.%s)\n")
case strings.HasPrefix(st.Tag(i), `dns:"size-base64`):
fallthrough
case st.Tag(i) == `dns:"base64"`:
o("l += base64.StdEncoding.DecodedLen(len(rr.%s))\n")
case strings.HasPrefix(st.Tag(i), `dns:"size-hex:`): // this has an extra field where the length is stored
o("l += len(rr.%s)/2\n")
case strings.HasPrefix(st.Tag(i), `dns:"size-hex`):
fallthrough
case st.Tag(i) == `dns:"hex"`:
o("l += len(rr.%s)/2 + 1\n")
case st.Tag(i) == `dns:"any"`:
o("l += len(rr.%s)\n")
case st.Tag(i) == `dns:"a"`:
o("l += net.IPv4len // %s\n")
case st.Tag(i) == `dns:"aaaa"`:
o("l += net.IPv6len // %s\n")
case st.Tag(i) == `dns:"txt"`:
o("for _, t := range rr.%s { l += len(t) + 1 }\n")
case st.Tag(i) == `dns:"uint48"`:
o("l += 6 // %s\n")
case st.Tag(i) == "":
switch st.Field(i).Type().(*types.Basic).Kind() {
case types.Uint8:
o("l++ // %s\n")
case types.Uint16:
o("l += 2 // %s\n")
case types.Uint32:
o("l += 4 // %s\n")
case types.Uint64:
o("l += 8 // %s\n")
case types.String:
o("l += len(rr.%s) + 1\n")
default:
log.Fatalln(name, st.Field(i).Name())
}
default:
log.Fatalln(name, st.Field(i).Name(), st.Tag(i))
}
}
fmt.Fprintf(b, "return l }\n")
}
// Generate copy()
fmt.Fprint(b, "// copy() functions\n")
for _, name := range namedTypes {
o := scope.Lookup(name)
st, isEmbedded := getTypeStruct(o.Type(), scope)
if isEmbedded {
continue
}
fmt.Fprintf(b, "func (rr *%s) copy() RR {\n", name)
fields := []string{"rr.Hdr"}
for i := 1; i < st.NumFields(); i++ {
f := st.Field(i).Name()
if sl, ok := st.Field(i).Type().(*types.Slice); ok {
t := sl.Underlying().String()
t = strings.TrimPrefix(t, "[]")
if strings.Contains(t, ".") {
splits := strings.Split(t, ".")
t = splits[len(splits)-1]
}
// For the EDNS0 interface (used in the OPT RR), we need to call the copy method on each element.
if t == "EDNS0" {
fmt.Fprintf(b, "%s := make([]%s, len(rr.%s));\nfor i,e := range rr.%s {\n %s[i] = e.copy()\n}\n",
f, t, f, f, f)
fields = append(fields, f)
continue
}
fmt.Fprintf(b, "%s := make([]%s, len(rr.%s)); copy(%s, rr.%s)\n",
f, t, f, f, f)
fields = append(fields, f)
continue
}
if st.Field(i).Type().String() == "net.IP" {
fields = append(fields, "copyIP(rr."+f+")")
continue
}
fields = append(fields, "rr."+f)
}
fmt.Fprintf(b, "return &%s{%s}\n", name, strings.Join(fields, ","))
fmt.Fprintf(b, "}\n")
}
// gofmt
res, err := format.Source(b.Bytes())
if err != nil {
b.WriteTo(os.Stderr)
log.Fatal(err)
}
// write result
f, err := os.Create("ztypes.go")
fatalIfErr(err)
defer f.Close()
f.Write(res)
}
func fatalIfErr(err error) {
if err != nil {
log.Fatal(err)
}
}

27
vendor/github.com/safchain/ethtool/.gitignore generated vendored
View File

@ -1,27 +0,0 @@
# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test
*.prof
# Skip compiled example binary file
/example/example

1
vendor/github.com/safchain/ethtool/.travis.yml generated vendored
View File

@ -1 +0,0 @@
language: go

202
vendor/github.com/safchain/ethtool/LICENSE generated vendored
View File

@ -1,202 +0,0 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
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of your accepting any such warranty or additional liability.
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4
vendor/github.com/safchain/ethtool/Makefile generated vendored
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@ -1,4 +0,0 @@
all: build
build:
CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build

60
vendor/github.com/safchain/ethtool/README.md generated vendored
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@ -1,60 +0,0 @@
# ethtool go package #
[![Build Status](https://travis-ci.org/safchain/ethtool.png?branch=master)](https://travis-ci.org/safchain/ethtool)
[![GoDoc](https://godoc.org/github.com/safchain/ethtool?status.svg)](https://godoc.org/github.com/safchain/ethtool)
The ethtool package aims to provide a library giving a simple access to the Linux SIOCETHTOOL ioctl operations. It can be used to retrieve informations from a network device like statistics, driver related informations or even the peer of a VETH interface.
## Build and Test ##
go get command:
go get github.com/safchain/ethtool
Testing
In order to run te
go test github.com/safchain/ethtool
## Examples ##
```go
package main
import (
"fmt"
"github.com/safchain/ethtool"
)
func main() {
ethHandle, err := ethtool.NewEthtool()
if err != nil {
panic(err.Error())
}
defer ethHandle.Close()
// Retrieve tx from eth0
stats, err := ethHandle.Stats("eth0")
if err != nil {
panic(err.Error())
}
fmt.Printf("TX: %d\n", stats["tx_bytes"])
// Retrieve peer index of a veth interface
stats, err = ethHandle.Stats("veth0")
if err != nil {
panic(err.Error())
}
fmt.Printf("Peer Index: %d\n", stats["peer_ifindex"])
}
```
## LICENSE ##
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

541
vendor/github.com/safchain/ethtool/ethtool.go generated vendored
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@ -1,541 +0,0 @@
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
// Package ethtool aims to provide a library giving a simple access to the
// Linux SIOCETHTOOL ioctl operations. It can be used to retrieve informations
// from a network device like statistics, driver related informations or
// even the peer of a VETH interface.
package ethtool
import (
"bytes"
"encoding/hex"
"fmt"
"strings"
"syscall"
"unsafe"
)
// Maximum size of an interface name
const (
IFNAMSIZ = 16
)
// ioctl ethtool request
const (
SIOCETHTOOL = 0x8946
)
// ethtool stats related constants.
const (
ETH_GSTRING_LEN = 32
ETH_SS_STATS = 1
ETH_SS_FEATURES = 4
ETHTOOL_GDRVINFO = 0x00000003
ETHTOOL_GSTRINGS = 0x0000001b
ETHTOOL_GSTATS = 0x0000001d
// other CMDs from ethtool-copy.h of ethtool-3.5 package
ETHTOOL_GSET = 0x00000001 /* Get settings. */
ETHTOOL_SSET = 0x00000002 /* Set settings. */
ETHTOOL_GMSGLVL = 0x00000007 /* Get driver message level */
ETHTOOL_SMSGLVL = 0x00000008 /* Set driver msg level. */
/* Get link status for host, i.e. whether the interface *and* the
* physical port (if there is one) are up (ethtool_value). */
ETHTOOL_GLINK = 0x0000000a
ETHTOOL_GMODULEINFO = 0x00000042 /* Get plug-in module information */
ETHTOOL_GMODULEEEPROM = 0x00000043 /* Get plug-in module eeprom */
ETHTOOL_GPERMADDR = 0x00000020
ETHTOOL_GFEATURES = 0x0000003a /* Get device offload settings */
ETHTOOL_SFEATURES = 0x0000003b /* Change device offload settings */
ETHTOOL_GFLAGS = 0x00000025 /* Get flags bitmap(ethtool_value) */
ETHTOOL_GSSET_INFO = 0x00000037 /* Get string set info */
)
// MAX_GSTRINGS maximum number of stats entries that ethtool can
// retrieve currently.
const (
MAX_GSTRINGS = 1000
MAX_FEATURE_BLOCKS = (MAX_GSTRINGS + 32 - 1) / 32
EEPROM_LEN = 640
PERMADDR_LEN = 32
)
type ifreq struct {
ifr_name [IFNAMSIZ]byte
ifr_data uintptr
}
// following structures comes from uapi/linux/ethtool.h
type ethtoolSsetInfo struct {
cmd uint32
reserved uint32
sset_mask uint32
data uintptr
}
type ethtoolGetFeaturesBlock struct {
available uint32
requested uint32
active uint32
never_changed uint32
}
type ethtoolGfeatures struct {
cmd uint32
size uint32
blocks [MAX_FEATURE_BLOCKS]ethtoolGetFeaturesBlock
}
type ethtoolSetFeaturesBlock struct {
valid uint32
requested uint32
}
type ethtoolSfeatures struct {
cmd uint32
size uint32
blocks [MAX_FEATURE_BLOCKS]ethtoolSetFeaturesBlock
}
type ethtoolDrvInfo struct {
cmd uint32
driver [32]byte
version [32]byte
fw_version [32]byte
bus_info [32]byte
erom_version [32]byte
reserved2 [12]byte
n_priv_flags uint32
n_stats uint32
testinfo_len uint32
eedump_len uint32
regdump_len uint32
}
type ethtoolGStrings struct {
cmd uint32
string_set uint32
len uint32
data [MAX_GSTRINGS * ETH_GSTRING_LEN]byte
}
type ethtoolStats struct {
cmd uint32
n_stats uint32
data [MAX_GSTRINGS]uint64
}
type ethtoolEeprom struct {
cmd uint32
magic uint32
offset uint32
len uint32
data [EEPROM_LEN]byte
}
type ethtoolModInfo struct {
cmd uint32
tpe uint32
eeprom_len uint32
reserved [8]uint32
}
type ethtoolLink struct {
cmd uint32
data uint32
}
type ethtoolPermAddr struct {
cmd uint32
size uint32
data [PERMADDR_LEN]byte
}
type Ethtool struct {
fd int
}
// DriverName returns the driver name of the given interface name.
func (e *Ethtool) DriverName(intf string) (string, error) {
info, err := e.getDriverInfo(intf)
if err != nil {
return "", err
}
return string(bytes.Trim(info.driver[:], "\x00")), nil
}
// BusInfo returns the bus information of the given interface name.
func (e *Ethtool) BusInfo(intf string) (string, error) {
info, err := e.getDriverInfo(intf)
if err != nil {
return "", err
}
return string(bytes.Trim(info.bus_info[:], "\x00")), nil
}
// ModuleEeprom returns Eeprom information of the given interface name.
func (e *Ethtool) ModuleEeprom(intf string) ([]byte, error) {
eeprom, _, err := e.getModuleEeprom(intf)
if err != nil {
return nil, err
}
return eeprom.data[:eeprom.len], nil
}
// ModuleEeprom returns Eeprom information of the given interface name.
func (e *Ethtool) ModuleEepromHex(intf string) (string, error) {
eeprom, _, err := e.getModuleEeprom(intf)
if err != nil {
return "", err
}
return hex.EncodeToString(eeprom.data[:eeprom.len]), nil
}
// DriverInfo returns driver information of the given interface name.
func (e *Ethtool) DriverInfo(intf string) (ethtoolDrvInfo, error) {
drvInfo, err := e.getDriverInfo(intf)
if err != nil {
return ethtoolDrvInfo{}, err
}
return drvInfo, nil
}
// PermAddr returns permanent address of the given interface name.
func (e *Ethtool) PermAddr(intf string) (string, error) {
permAddr, err := e.getPermAddr(intf)
if err != nil {
return "", err
}
if permAddr.data[0] == 0 && permAddr.data[1] == 0 &&
permAddr.data[2] == 0 && permAddr.data[3] == 0 &&
permAddr.data[4] == 0 && permAddr.data[5] == 0 {
return "", nil
}
return fmt.Sprintf("%x:%x:%x:%x:%x:%x",
permAddr.data[0:1],
permAddr.data[1:2],
permAddr.data[2:3],
permAddr.data[3:4],
permAddr.data[4:5],
permAddr.data[5:6],
), nil
}
func (e *Ethtool) ioctl(intf string, data uintptr) error {
var name [IFNAMSIZ]byte
copy(name[:], []byte(intf))
ifr := ifreq{
ifr_name: name,
ifr_data: data,
}
_, _, ep := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd), SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return syscall.Errno(ep)
}
return nil
}
func (e *Ethtool) getDriverInfo(intf string) (ethtoolDrvInfo, error) {
drvinfo := ethtoolDrvInfo{
cmd: ETHTOOL_GDRVINFO,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&drvinfo))); err != nil {
return ethtoolDrvInfo{}, err
}
return drvinfo, nil
}
func (e *Ethtool) getPermAddr(intf string) (ethtoolPermAddr, error) {
permAddr := ethtoolPermAddr{
cmd: ETHTOOL_GPERMADDR,
size: PERMADDR_LEN,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&permAddr))); err != nil {
return ethtoolPermAddr{}, err
}
return permAddr, nil
}
func (e *Ethtool) getModuleEeprom(intf string) (ethtoolEeprom, ethtoolModInfo, error) {
modInfo := ethtoolModInfo{
cmd: ETHTOOL_GMODULEINFO,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&modInfo))); err != nil {
return ethtoolEeprom{}, ethtoolModInfo{}, err
}
eeprom := ethtoolEeprom{
cmd: ETHTOOL_GMODULEEEPROM,
len: modInfo.eeprom_len,
offset: 0,
}
if modInfo.eeprom_len > EEPROM_LEN {
return ethtoolEeprom{}, ethtoolModInfo{}, fmt.Errorf("eeprom size: %d is larger than buffer size: %d", modInfo.eeprom_len, EEPROM_LEN)
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&eeprom))); err != nil {
return ethtoolEeprom{}, ethtoolModInfo{}, err
}
return eeprom, modInfo, nil
}
func isFeatureBitSet(blocks [MAX_FEATURE_BLOCKS]ethtoolGetFeaturesBlock, index uint) bool {
return (blocks)[index/32].active&(1<<(index%32)) != 0
}
func setFeatureBit(blocks *[MAX_FEATURE_BLOCKS]ethtoolSetFeaturesBlock, index uint, value bool) {
blockIndex, bitIndex := index/32, index%32
blocks[blockIndex].valid |= 1 << bitIndex
if value {
blocks[blockIndex].requested |= 1 << bitIndex
} else {
blocks[blockIndex].requested &= ^(1 << bitIndex)
}
}
// FeatureNames shows supported features by their name.
func (e *Ethtool) FeatureNames(intf string) (map[string]uint, error) {
ssetInfo := ethtoolSsetInfo{
cmd: ETHTOOL_GSSET_INFO,
sset_mask: 1 << ETH_SS_FEATURES,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&ssetInfo))); err != nil {
return nil, err
}
length := uint32(ssetInfo.data)
if length == 0 {
return map[string]uint{}, nil
} else if length > MAX_GSTRINGS {
return nil, fmt.Errorf("ethtool currently doesn't support more than %d entries, received %d", MAX_GSTRINGS, length)
}
gstrings := ethtoolGStrings{
cmd: ETHTOOL_GSTRINGS,
string_set: ETH_SS_FEATURES,
len: length,
data: [MAX_GSTRINGS * ETH_GSTRING_LEN]byte{},
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&gstrings))); err != nil {
return nil, err
}
var result = make(map[string]uint)
for i := 0; i != int(length); i++ {
b := gstrings.data[i*ETH_GSTRING_LEN : i*ETH_GSTRING_LEN+ETH_GSTRING_LEN]
key := string(bytes.Trim(b, "\x00"))
if key != "" {
result[key] = uint(i)
}
}
return result, nil
}
// Features retrieves features of the given interface name.
func (e *Ethtool) Features(intf string) (map[string]bool, error) {
names, err := e.FeatureNames(intf)
if err != nil {
return nil, err
}
length := uint32(len(names))
if length == 0 {
return map[string]bool{}, nil
}
features := ethtoolGfeatures{
cmd: ETHTOOL_GFEATURES,
size: (length + 32 - 1) / 32,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&features))); err != nil {
return nil, err
}
var result = make(map[string]bool, length)
for key, index := range names {
result[key] = isFeatureBitSet(features.blocks, index)
}
return result, nil
}
// Change requests a change in the given device's features.
func (e *Ethtool) Change(intf string, config map[string]bool) error {
names, err := e.FeatureNames(intf)
if err != nil {
return err
}
length := uint32(len(names))
features := ethtoolSfeatures{
cmd: ETHTOOL_SFEATURES,
size: (length + 32 - 1) / 32,
}
for key, value := range config {
if index, ok := names[key]; ok {
setFeatureBit(&features.blocks, index, value)
} else {
return fmt.Errorf("unsupported feature %q", key)
}
}
return e.ioctl(intf, uintptr(unsafe.Pointer(&features)))
}
// Get state of a link.
func (e *Ethtool) LinkState(intf string) (uint32, error) {
x := ethtoolLink{
cmd: ETHTOOL_GLINK,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&x))); err != nil {
return 0, err
}
return x.data, nil
}
// Stats retrieves stats of the given interface name.
func (e *Ethtool) Stats(intf string) (map[string]uint64, error) {
drvinfo := ethtoolDrvInfo{
cmd: ETHTOOL_GDRVINFO,
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&drvinfo))); err != nil {
return nil, err
}
if drvinfo.n_stats*ETH_GSTRING_LEN > MAX_GSTRINGS*ETH_GSTRING_LEN {
return nil, fmt.Errorf("ethtool currently doesn't support more than %d entries, received %d", MAX_GSTRINGS, drvinfo.n_stats)
}
gstrings := ethtoolGStrings{
cmd: ETHTOOL_GSTRINGS,
string_set: ETH_SS_STATS,
len: drvinfo.n_stats,
data: [MAX_GSTRINGS * ETH_GSTRING_LEN]byte{},
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&gstrings))); err != nil {
return nil, err
}
stats := ethtoolStats{
cmd: ETHTOOL_GSTATS,
n_stats: drvinfo.n_stats,
data: [MAX_GSTRINGS]uint64{},
}
if err := e.ioctl(intf, uintptr(unsafe.Pointer(&stats))); err != nil {
return nil, err
}
var result = make(map[string]uint64)
for i := 0; i != int(drvinfo.n_stats); i++ {
b := gstrings.data[i*ETH_GSTRING_LEN : i*ETH_GSTRING_LEN+ETH_GSTRING_LEN]
key := string(b[:strings.Index(string(b), "\x00")])
if len(key) != 0 {
result[key] = stats.data[i]
}
}
return result, nil
}
// Close closes the ethool handler
func (e *Ethtool) Close() {
syscall.Close(e.fd)
}
// NewEthtool returns a new ethtool handler
func NewEthtool() (*Ethtool, error) {
fd, err := syscall.Socket(syscall.AF_INET, syscall.SOCK_DGRAM, syscall.IPPROTO_IP)
if err != nil {
return nil, err
}
return &Ethtool{
fd: int(fd),
}, nil
}
// BusInfo returns bus information of the given interface name.
func BusInfo(intf string) (string, error) {
e, err := NewEthtool()
if err != nil {
return "", err
}
defer e.Close()
return e.BusInfo(intf)
}
// DriverName returns the driver name of the given interface name.
func DriverName(intf string) (string, error) {
e, err := NewEthtool()
if err != nil {
return "", err
}
defer e.Close()
return e.DriverName(intf)
}
// Stats retrieves stats of the given interface name.
func Stats(intf string) (map[string]uint64, error) {
e, err := NewEthtool()
if err != nil {
return nil, err
}
defer e.Close()
return e.Stats(intf)
}
// PermAddr returns permanent address of the given interface name.
func PermAddr(intf string) (string, error) {
e, err := NewEthtool()
if err != nil {
return "", err
}
defer e.Close()
return e.PermAddr(intf)
}

207
vendor/github.com/safchain/ethtool/ethtool_cmd.go generated vendored
View File

@ -1,207 +0,0 @@
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
// Package ethtool aims to provide a library giving a simple access to the
// Linux SIOCETHTOOL ioctl operations. It can be used to retrieve informations
// from a network device like statistics, driver related informations or
// even the peer of a VETH interface.
package ethtool
import (
"math"
"reflect"
"syscall"
"unsafe"
)
type EthtoolCmd struct { /* ethtool.c: struct ethtool_cmd */
Cmd uint32
Supported uint32
Advertising uint32
Speed uint16
Duplex uint8
Port uint8
Phy_address uint8
Transceiver uint8
Autoneg uint8
Mdio_support uint8
Maxtxpkt uint32
Maxrxpkt uint32
Speed_hi uint16
Eth_tp_mdix uint8
Reserved2 uint8
Lp_advertising uint32
Reserved [2]uint32
}
// CmdGet returns the interface settings in the receiver struct
// and returns speed
func (ecmd *EthtoolCmd) CmdGet(intf string) (uint32, error) {
e, err := NewEthtool()
if err != nil {
return 0, err
}
defer e.Close()
return e.CmdGet(ecmd, intf)
}
// CmdSet sets and returns the settings in the receiver struct
// and returns speed
func (ecmd *EthtoolCmd) CmdSet(intf string) (uint32, error) {
e, err := NewEthtool()
if err != nil {
return 0, err
}
defer e.Close()
return e.CmdSet(ecmd, intf)
}
func (f *EthtoolCmd) reflect(retv *map[string]uint64) {
val := reflect.ValueOf(f).Elem()
for i := 0; i < val.NumField(); i++ {
valueField := val.Field(i)
typeField := val.Type().Field(i)
t := valueField.Interface()
//tt := reflect.TypeOf(t)
//fmt.Printf(" t %T %v tt %T %v\n", t, t, tt, tt)
switch t.(type) {
case uint32:
//fmt.Printf(" t is uint32\n")
(*retv)[typeField.Name] = uint64(t.(uint32))
case uint16:
(*retv)[typeField.Name] = uint64(t.(uint16))
case uint8:
(*retv)[typeField.Name] = uint64(t.(uint8))
case int32:
(*retv)[typeField.Name] = uint64(t.(int32))
case int16:
(*retv)[typeField.Name] = uint64(t.(int16))
case int8:
(*retv)[typeField.Name] = uint64(t.(int8))
default:
(*retv)[typeField.Name+"_unknown_type"] = 0
}
//tag := typeField.Tag
//fmt.Printf("Field Name: %s,\t Field Value: %v,\t Tag Value: %s\n",
// typeField.Name, valueField.Interface(), tag.Get("tag_name"))
}
}
// CmdGet returns the interface settings in the receiver struct
// and returns speed
func (e *Ethtool) CmdGet(ecmd *EthtoolCmd, intf string) (uint32, error) {
ecmd.Cmd = ETHTOOL_GSET
var name [IFNAMSIZ]byte
copy(name[:], []byte(intf))
ifr := ifreq{
ifr_name: name,
ifr_data: uintptr(unsafe.Pointer(ecmd)),
}
_, _, ep := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd),
SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return 0, syscall.Errno(ep)
}
var speedval uint32 = (uint32(ecmd.Speed_hi) << 16) |
(uint32(ecmd.Speed) & 0xffff)
if speedval == math.MaxUint16 {
speedval = math.MaxUint32
}
return speedval, nil
}
// CmdSet sets and returns the settings in the receiver struct
// and returns speed
func (e *Ethtool) CmdSet(ecmd *EthtoolCmd, intf string) (uint32, error) {
ecmd.Cmd = ETHTOOL_SSET
var name [IFNAMSIZ]byte
copy(name[:], []byte(intf))
ifr := ifreq{
ifr_name: name,
ifr_data: uintptr(unsafe.Pointer(ecmd)),
}
_, _, ep := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd),
SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return 0, syscall.Errno(ep)
}
var speedval uint32 = (uint32(ecmd.Speed_hi) << 16) |
(uint32(ecmd.Speed) & 0xffff)
if speedval == math.MaxUint16 {
speedval = math.MaxUint32
}
return speedval, nil
}
// CmdGetMapped returns the interface settings in a map
func (e *Ethtool) CmdGetMapped(intf string) (map[string]uint64, error) {
ecmd := EthtoolCmd{
Cmd: ETHTOOL_GSET,
}
var name [IFNAMSIZ]byte
copy(name[:], []byte(intf))
ifr := ifreq{
ifr_name: name,
ifr_data: uintptr(unsafe.Pointer(&ecmd)),
}
_, _, ep := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd),
SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return nil, syscall.Errno(ep)
}
var result = make(map[string]uint64)
// ref https://gist.github.com/drewolson/4771479
// Golang Reflection Example
ecmd.reflect(&result)
var speedval uint32 = (uint32(ecmd.Speed_hi) << 16) |
(uint32(ecmd.Speed) & 0xffff)
result["speed"] = uint64(speedval)
return result, nil
}
func CmdGetMapped(intf string) (map[string]uint64, error) {
e, err := NewEthtool()
if err != nil {
return nil, err
}
defer e.Close()
return e.CmdGetMapped(intf)
}

113
vendor/github.com/safchain/ethtool/ethtool_msglvl.go generated vendored
View File

@ -1,113 +0,0 @@
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
// Package ethtool aims to provide a library giving a simple access to the
// Linux SIOCETHTOOL ioctl operations. It can be used to retrieve informations
// from a network device like statistics, driver related informations or
// even the peer of a VETH interface.
package ethtool
import (
"syscall"
"unsafe"
)
type ethtoolValue struct { /* ethtool.c: struct ethtool_value */
cmd uint32
data uint32
}
// MsglvlGet returns the msglvl of the given interface.
func (e *Ethtool) MsglvlGet(intf string) (uint32, error) {
edata := ethtoolValue{
cmd: ETHTOOL_GMSGLVL,
}
var name [IFNAMSIZ]byte
copy(name[:], []byte(intf))
ifr := ifreq{
ifr_name: name,
ifr_data: uintptr(unsafe.Pointer(&edata)),
}
_, _, ep := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd),
SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return 0, syscall.Errno(ep)
}
return edata.data, nil
}
// MsglvlSet returns the read-msglvl, post-set-msglvl of the given interface.
func (e *Ethtool) MsglvlSet(intf string, valset uint32) (uint32, uint32, error) {
edata := ethtoolValue{
cmd: ETHTOOL_GMSGLVL,
}
var name [IFNAMSIZ]byte
copy(name[:], []byte(intf))
ifr := ifreq{
ifr_name: name,
ifr_data: uintptr(unsafe.Pointer(&edata)),
}
_, _, ep := syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd),
SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return 0, 0, syscall.Errno(ep)
}
readval := edata.data
edata.cmd = ETHTOOL_SMSGLVL
edata.data = valset
_, _, ep = syscall.Syscall(syscall.SYS_IOCTL, uintptr(e.fd),
SIOCETHTOOL, uintptr(unsafe.Pointer(&ifr)))
if ep != 0 {
return 0, 0, syscall.Errno(ep)
}
return readval, edata.data, nil
}
// MsglvlGet returns the msglvl of the given interface.
func MsglvlGet(intf string) (uint32, error) {
e, err := NewEthtool()
if err != nil {
return 0, err
}
defer e.Close()
return e.MsglvlGet(intf)
}
// MsglvlSet returns the read-msglvl, post-set-msglvl of the given interface.
func MsglvlSet(intf string, valset uint32) (uint32, uint32, error) {
e, err := NewEthtool()
if err != nil {
return 0, 0, err
}
defer e.Close()
return e.MsglvlSet(intf, valset)
}

712
vendor/golang.org/x/net/html/atom/gen.go generated vendored
View File

@ -1,712 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
//go:generate go run gen.go
//go:generate go run gen.go -test
package main
import (
"bytes"
"flag"
"fmt"
"go/format"
"io/ioutil"
"math/rand"
"os"
"sort"
"strings"
)
// identifier converts s to a Go exported identifier.
// It converts "div" to "Div" and "accept-charset" to "AcceptCharset".
func identifier(s string) string {
b := make([]byte, 0, len(s))
cap := true
for _, c := range s {
if c == '-' {
cap = true
continue
}
if cap && 'a' <= c && c <= 'z' {
c -= 'a' - 'A'
}
cap = false
b = append(b, byte(c))
}
return string(b)
}
var test = flag.Bool("test", false, "generate table_test.go")
func genFile(name string, buf *bytes.Buffer) {
b, err := format.Source(buf.Bytes())
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if err := ioutil.WriteFile(name, b, 0644); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
func main() {
flag.Parse()
var all []string
all = append(all, elements...)
all = append(all, attributes...)
all = append(all, eventHandlers...)
all = append(all, extra...)
sort.Strings(all)
// uniq - lists have dups
w := 0
for _, s := range all {
if w == 0 || all[w-1] != s {
all[w] = s
w++
}
}
all = all[:w]
if *test {
var buf bytes.Buffer
fmt.Fprintln(&buf, "// Code generated by go generate gen.go; DO NOT EDIT.\n")
fmt.Fprintln(&buf, "//go:generate go run gen.go -test\n")
fmt.Fprintln(&buf, "package atom\n")
fmt.Fprintln(&buf, "var testAtomList = []string{")
for _, s := range all {
fmt.Fprintf(&buf, "\t%q,\n", s)
}
fmt.Fprintln(&buf, "}")
genFile("table_test.go", &buf)
return
}
// Find hash that minimizes table size.
var best *table
for i := 0; i < 1000000; i++ {
if best != nil && 1<<(best.k-1) < len(all) {
break
}
h := rand.Uint32()
for k := uint(0); k <= 16; k++ {
if best != nil && k >= best.k {
break
}
var t table
if t.init(h, k, all) {
best = &t
break
}
}
}
if best == nil {
fmt.Fprintf(os.Stderr, "failed to construct string table\n")
os.Exit(1)
}
// Lay out strings, using overlaps when possible.
layout := append([]string{}, all...)
// Remove strings that are substrings of other strings
for changed := true; changed; {
changed = false
for i, s := range layout {
if s == "" {
continue
}
for j, t := range layout {
if i != j && t != "" && strings.Contains(s, t) {
changed = true
layout[j] = ""
}
}
}
}
// Join strings where one suffix matches another prefix.
for {
// Find best i, j, k such that layout[i][len-k:] == layout[j][:k],
// maximizing overlap length k.
besti := -1
bestj := -1
bestk := 0
for i, s := range layout {
if s == "" {
continue
}
for j, t := range layout {
if i == j {
continue
}
for k := bestk + 1; k <= len(s) && k <= len(t); k++ {
if s[len(s)-k:] == t[:k] {
besti = i
bestj = j
bestk = k
}
}
}
}
if bestk > 0 {
layout[besti] += layout[bestj][bestk:]
layout[bestj] = ""
continue
}
break
}
text := strings.Join(layout, "")
atom := map[string]uint32{}
for _, s := range all {
off := strings.Index(text, s)
if off < 0 {
panic("lost string " + s)
}
atom[s] = uint32(off<<8 | len(s))
}
var buf bytes.Buffer
// Generate the Go code.
fmt.Fprintln(&buf, "// Code generated by go generate gen.go; DO NOT EDIT.\n")
fmt.Fprintln(&buf, "//go:generate go run gen.go\n")
fmt.Fprintln(&buf, "package atom\n\nconst (")
// compute max len
maxLen := 0
for _, s := range all {
if maxLen < len(s) {
maxLen = len(s)
}
fmt.Fprintf(&buf, "\t%s Atom = %#x\n", identifier(s), atom[s])
}
fmt.Fprintln(&buf, ")\n")
fmt.Fprintf(&buf, "const hash0 = %#x\n\n", best.h0)
fmt.Fprintf(&buf, "const maxAtomLen = %d\n\n", maxLen)
fmt.Fprintf(&buf, "var table = [1<<%d]Atom{\n", best.k)
for i, s := range best.tab {
if s == "" {
continue
}
fmt.Fprintf(&buf, "\t%#x: %#x, // %s\n", i, atom[s], s)
}
fmt.Fprintf(&buf, "}\n")
datasize := (1 << best.k) * 4
fmt.Fprintln(&buf, "const atomText =")
textsize := len(text)
for len(text) > 60 {
fmt.Fprintf(&buf, "\t%q +\n", text[:60])
text = text[60:]
}
fmt.Fprintf(&buf, "\t%q\n\n", text)
genFile("table.go", &buf)
fmt.Fprintf(os.Stdout, "%d atoms; %d string bytes + %d tables = %d total data\n", len(all), textsize, datasize, textsize+datasize)
}
type byLen []string
func (x byLen) Less(i, j int) bool { return len(x[i]) > len(x[j]) }
func (x byLen) Swap(i, j int) { x[i], x[j] = x[j], x[i] }
func (x byLen) Len() int { return len(x) }
// fnv computes the FNV hash with an arbitrary starting value h.
func fnv(h uint32, s string) uint32 {
for i := 0; i < len(s); i++ {
h ^= uint32(s[i])
h *= 16777619
}
return h
}
// A table represents an attempt at constructing the lookup table.
// The lookup table uses cuckoo hashing, meaning that each string
// can be found in one of two positions.
type table struct {
h0 uint32
k uint
mask uint32
tab []string
}
// hash returns the two hashes for s.
func (t *table) hash(s string) (h1, h2 uint32) {
h := fnv(t.h0, s)
h1 = h & t.mask
h2 = (h >> 16) & t.mask
return
}
// init initializes the table with the given parameters.
// h0 is the initial hash value,
// k is the number of bits of hash value to use, and
// x is the list of strings to store in the table.
// init returns false if the table cannot be constructed.
func (t *table) init(h0 uint32, k uint, x []string) bool {
t.h0 = h0
t.k = k
t.tab = make([]string, 1<<k)
t.mask = 1<<k - 1
for _, s := range x {
if !t.insert(s) {
return false
}
}
return true
}
// insert inserts s in the table.
func (t *table) insert(s string) bool {
h1, h2 := t.hash(s)
if t.tab[h1] == "" {
t.tab[h1] = s
return true
}
if t.tab[h2] == "" {
t.tab[h2] = s
return true
}
if t.push(h1, 0) {
t.tab[h1] = s
return true
}
if t.push(h2, 0) {
t.tab[h2] = s
return true
}
return false
}
// push attempts to push aside the entry in slot i.
func (t *table) push(i uint32, depth int) bool {
if depth > len(t.tab) {
return false
}
s := t.tab[i]
h1, h2 := t.hash(s)
j := h1 + h2 - i
if t.tab[j] != "" && !t.push(j, depth+1) {
return false
}
t.tab[j] = s
return true
}
// The lists of element names and attribute keys were taken from
// https://html.spec.whatwg.org/multipage/indices.html#index
// as of the "HTML Living Standard - Last Updated 16 April 2018" version.
// "command", "keygen" and "menuitem" have been removed from the spec,
// but are kept here for backwards compatibility.
var elements = []string{
"a",
"abbr",
"address",
"area",
"article",
"aside",
"audio",
"b",
"base",
"bdi",
"bdo",
"blockquote",
"body",
"br",
"button",
"canvas",
"caption",
"cite",
"code",
"col",
"colgroup",
"command",
"data",
"datalist",
"dd",
"del",
"details",
"dfn",
"dialog",
"div",
"dl",
"dt",
"em",
"embed",
"fieldset",
"figcaption",
"figure",
"footer",
"form",
"h1",
"h2",
"h3",
"h4",
"h5",
"h6",
"head",
"header",
"hgroup",
"hr",
"html",
"i",
"iframe",
"img",
"input",
"ins",
"kbd",
"keygen",
"label",
"legend",
"li",
"link",
"main",
"map",
"mark",
"menu",
"menuitem",
"meta",
"meter",
"nav",
"noscript",
"object",
"ol",
"optgroup",
"option",
"output",
"p",
"param",
"picture",
"pre",
"progress",
"q",
"rp",
"rt",
"ruby",
"s",
"samp",
"script",
"section",
"select",
"slot",
"small",
"source",
"span",
"strong",
"style",
"sub",
"summary",
"sup",
"table",
"tbody",
"td",
"template",
"textarea",
"tfoot",
"th",
"thead",
"time",
"title",
"tr",
"track",
"u",
"ul",
"var",
"video",
"wbr",
}
// https://html.spec.whatwg.org/multipage/indices.html#attributes-3
//
// "challenge", "command", "contextmenu", "dropzone", "icon", "keytype", "mediagroup",
// "radiogroup", "spellcheck", "scoped", "seamless", "sortable" and "sorted" have been removed from the spec,
// but are kept here for backwards compatibility.
var attributes = []string{
"abbr",
"accept",
"accept-charset",
"accesskey",
"action",
"allowfullscreen",
"allowpaymentrequest",
"allowusermedia",
"alt",
"as",
"async",
"autocomplete",
"autofocus",
"autoplay",
"challenge",
"charset",
"checked",
"cite",
"class",
"color",
"cols",
"colspan",
"command",
"content",
"contenteditable",
"contextmenu",
"controls",
"coords",
"crossorigin",
"data",
"datetime",
"default",
"defer",
"dir",
"dirname",
"disabled",
"download",
"draggable",
"dropzone",
"enctype",
"for",
"form",
"formaction",
"formenctype",
"formmethod",
"formnovalidate",
"formtarget",
"headers",
"height",
"hidden",
"high",
"href",
"hreflang",
"http-equiv",
"icon",
"id",
"inputmode",
"integrity",
"is",
"ismap",
"itemid",
"itemprop",
"itemref",
"itemscope",
"itemtype",
"keytype",
"kind",
"label",
"lang",
"list",
"loop",
"low",
"manifest",
"max",
"maxlength",
"media",
"mediagroup",
"method",
"min",
"minlength",
"multiple",
"muted",
"name",
"nomodule",
"nonce",
"novalidate",
"open",
"optimum",
"pattern",
"ping",
"placeholder",
"playsinline",
"poster",
"preload",
"radiogroup",
"readonly",
"referrerpolicy",
"rel",
"required",
"reversed",
"rows",
"rowspan",
"sandbox",
"spellcheck",
"scope",
"scoped",
"seamless",
"selected",
"shape",
"size",
"sizes",
"sortable",
"sorted",
"slot",
"span",
"spellcheck",
"src",
"srcdoc",
"srclang",
"srcset",
"start",
"step",
"style",
"tabindex",
"target",
"title",
"translate",
"type",
"typemustmatch",
"updateviacache",
"usemap",
"value",
"width",
"workertype",
"wrap",
}
// "onautocomplete", "onautocompleteerror", "onmousewheel",
// "onshow" and "onsort" have been removed from the spec,
// but are kept here for backwards compatibility.
var eventHandlers = []string{
"onabort",
"onautocomplete",
"onautocompleteerror",
"onauxclick",
"onafterprint",
"onbeforeprint",
"onbeforeunload",
"onblur",
"oncancel",
"oncanplay",
"oncanplaythrough",
"onchange",
"onclick",
"onclose",
"oncontextmenu",
"oncopy",
"oncuechange",
"oncut",
"ondblclick",
"ondrag",
"ondragend",
"ondragenter",
"ondragexit",
"ondragleave",
"ondragover",
"ondragstart",
"ondrop",
"ondurationchange",
"onemptied",
"onended",
"onerror",
"onfocus",
"onhashchange",
"oninput",
"oninvalid",
"onkeydown",
"onkeypress",
"onkeyup",
"onlanguagechange",
"onload",
"onloadeddata",
"onloadedmetadata",
"onloadend",
"onloadstart",
"onmessage",
"onmessageerror",
"onmousedown",
"onmouseenter",
"onmouseleave",
"onmousemove",
"onmouseout",
"onmouseover",
"onmouseup",
"onmousewheel",
"onwheel",
"onoffline",
"ononline",
"onpagehide",
"onpageshow",
"onpaste",
"onpause",
"onplay",
"onplaying",
"onpopstate",
"onprogress",
"onratechange",
"onreset",
"onresize",
"onrejectionhandled",
"onscroll",
"onsecuritypolicyviolation",
"onseeked",
"onseeking",
"onselect",
"onshow",
"onsort",
"onstalled",
"onstorage",
"onsubmit",
"onsuspend",
"ontimeupdate",
"ontoggle",
"onunhandledrejection",
"onunload",
"onvolumechange",
"onwaiting",
}
// extra are ad-hoc values not covered by any of the lists above.
var extra = []string{
"acronym",
"align",
"annotation",
"annotation-xml",
"applet",
"basefont",
"bgsound",
"big",
"blink",
"center",
"color",
"desc",
"face",
"font",
"foreignObject", // HTML is case-insensitive, but SVG-embedded-in-HTML is case-sensitive.
"foreignobject",
"frame",
"frameset",
"image",
"isindex",
"listing",
"malignmark",
"marquee",
"math",
"mglyph",
"mi",
"mn",
"mo",
"ms",
"mtext",
"nobr",
"noembed",
"noframes",
"plaintext",
"prompt",
"public",
"rb",
"rtc",
"spacer",
"strike",
"svg",
"system",
"tt",
"xmp",
}

383
vendor/golang.org/x/net/internal/iana/gen.go generated vendored
View File

@ -1,383 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
//go:generate go run gen.go
// This program generates internet protocol constants and tables by
// reading IANA protocol registries.
package main
import (
"bytes"
"encoding/xml"
"fmt"
"go/format"
"io"
"io/ioutil"
"net/http"
"os"
"strconv"
"strings"
)
var registries = []struct {
url string
parse func(io.Writer, io.Reader) error
}{
{
"https://www.iana.org/assignments/dscp-registry/dscp-registry.xml",
parseDSCPRegistry,
},
{
"https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml",
parseProtocolNumbers,
},
{
"https://www.iana.org/assignments/address-family-numbers/address-family-numbers.xml",
parseAddrFamilyNumbers,
},
}
func main() {
var bb bytes.Buffer
fmt.Fprintf(&bb, "// go generate gen.go\n")
fmt.Fprintf(&bb, "// Code generated by the command above; DO NOT EDIT.\n\n")
fmt.Fprintf(&bb, "// Package iana provides protocol number resources managed by the Internet Assigned Numbers Authority (IANA).\n")
fmt.Fprintf(&bb, `package iana // import "golang.org/x/net/internal/iana"`+"\n\n")
for _, r := range registries {
resp, err := http.Get(r.url)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
fmt.Fprintf(os.Stderr, "got HTTP status code %v for %v\n", resp.StatusCode, r.url)
os.Exit(1)
}
if err := r.parse(&bb, resp.Body); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
fmt.Fprintf(&bb, "\n")
}
b, err := format.Source(bb.Bytes())
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if err := ioutil.WriteFile("const.go", b, 0644); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
func parseDSCPRegistry(w io.Writer, r io.Reader) error {
dec := xml.NewDecoder(r)
var dr dscpRegistry
if err := dec.Decode(&dr); err != nil {
return err
}
fmt.Fprintf(w, "// %s, Updated: %s\n", dr.Title, dr.Updated)
fmt.Fprintf(w, "const (\n")
for _, dr := range dr.escapeDSCP() {
fmt.Fprintf(w, "DiffServ%s = %#02x", dr.Name, dr.Value)
fmt.Fprintf(w, "// %s\n", dr.OrigName)
}
for _, er := range dr.escapeECN() {
fmt.Fprintf(w, "%s = %#02x", er.Descr, er.Value)
fmt.Fprintf(w, "// %s\n", er.OrigDescr)
}
fmt.Fprintf(w, ")\n")
return nil
}
type dscpRegistry struct {
XMLName xml.Name `xml:"registry"`
Title string `xml:"title"`
Updated string `xml:"updated"`
Note string `xml:"note"`
Registries []struct {
Title string `xml:"title"`
Registries []struct {
Title string `xml:"title"`
Records []struct {
Name string `xml:"name"`
Space string `xml:"space"`
} `xml:"record"`
} `xml:"registry"`
Records []struct {
Value string `xml:"value"`
Descr string `xml:"description"`
} `xml:"record"`
} `xml:"registry"`
}
type canonDSCPRecord struct {
OrigName string
Name string
Value int
}
func (drr *dscpRegistry) escapeDSCP() []canonDSCPRecord {
var drs []canonDSCPRecord
for _, preg := range drr.Registries {
if !strings.Contains(preg.Title, "Differentiated Services Field Codepoints") {
continue
}
for _, reg := range preg.Registries {
if !strings.Contains(reg.Title, "Pool 1 Codepoints") {
continue
}
drs = make([]canonDSCPRecord, len(reg.Records))
sr := strings.NewReplacer(
"+", "",
"-", "",
"/", "",
".", "",
" ", "",
)
for i, dr := range reg.Records {
s := strings.TrimSpace(dr.Name)
drs[i].OrigName = s
drs[i].Name = sr.Replace(s)
n, err := strconv.ParseUint(dr.Space, 2, 8)
if err != nil {
continue
}
drs[i].Value = int(n) << 2
}
}
}
return drs
}
type canonECNRecord struct {
OrigDescr string
Descr string
Value int
}
func (drr *dscpRegistry) escapeECN() []canonECNRecord {
var ers []canonECNRecord
for _, reg := range drr.Registries {
if !strings.Contains(reg.Title, "ECN Field") {
continue
}
ers = make([]canonECNRecord, len(reg.Records))
sr := strings.NewReplacer(
"Capable", "",
"Not-ECT", "",
"ECT(1)", "",
"ECT(0)", "",
"CE", "",
"(", "",
")", "",
"+", "",
"-", "",
"/", "",
".", "",
" ", "",
)
for i, er := range reg.Records {
s := strings.TrimSpace(er.Descr)
ers[i].OrigDescr = s
ss := strings.Split(s, " ")
if len(ss) > 1 {
ers[i].Descr = strings.Join(ss[1:], " ")
} else {
ers[i].Descr = ss[0]
}
ers[i].Descr = sr.Replace(er.Descr)
n, err := strconv.ParseUint(er.Value, 2, 8)
if err != nil {
continue
}
ers[i].Value = int(n)
}
}
return ers
}
func parseProtocolNumbers(w io.Writer, r io.Reader) error {
dec := xml.NewDecoder(r)
var pn protocolNumbers
if err := dec.Decode(&pn); err != nil {
return err
}
prs := pn.escape()
prs = append([]canonProtocolRecord{{
Name: "IP",
Descr: "IPv4 encapsulation, pseudo protocol number",
Value: 0,
}}, prs...)
fmt.Fprintf(w, "// %s, Updated: %s\n", pn.Title, pn.Updated)
fmt.Fprintf(w, "const (\n")
for _, pr := range prs {
if pr.Name == "" {
continue
}
fmt.Fprintf(w, "Protocol%s = %d", pr.Name, pr.Value)
s := pr.Descr
if s == "" {
s = pr.OrigName
}
fmt.Fprintf(w, "// %s\n", s)
}
fmt.Fprintf(w, ")\n")
return nil
}
type protocolNumbers struct {
XMLName xml.Name `xml:"registry"`
Title string `xml:"title"`
Updated string `xml:"updated"`
RegTitle string `xml:"registry>title"`
Note string `xml:"registry>note"`
Records []struct {
Value string `xml:"value"`
Name string `xml:"name"`
Descr string `xml:"description"`
} `xml:"registry>record"`
}
type canonProtocolRecord struct {
OrigName string
Name string
Descr string
Value int
}
func (pn *protocolNumbers) escape() []canonProtocolRecord {
prs := make([]canonProtocolRecord, len(pn.Records))
sr := strings.NewReplacer(
"-in-", "in",
"-within-", "within",
"-over-", "over",
"+", "P",
"-", "",
"/", "",
".", "",
" ", "",
)
for i, pr := range pn.Records {
if strings.Contains(pr.Name, "Deprecated") ||
strings.Contains(pr.Name, "deprecated") {
continue
}
prs[i].OrigName = pr.Name
s := strings.TrimSpace(pr.Name)
switch pr.Name {
case "ISIS over IPv4":
prs[i].Name = "ISIS"
case "manet":
prs[i].Name = "MANET"
default:
prs[i].Name = sr.Replace(s)
}
ss := strings.Split(pr.Descr, "\n")
for i := range ss {
ss[i] = strings.TrimSpace(ss[i])
}
if len(ss) > 1 {
prs[i].Descr = strings.Join(ss, " ")
} else {
prs[i].Descr = ss[0]
}
prs[i].Value, _ = strconv.Atoi(pr.Value)
}
return prs
}
func parseAddrFamilyNumbers(w io.Writer, r io.Reader) error {
dec := xml.NewDecoder(r)
var afn addrFamilylNumbers
if err := dec.Decode(&afn); err != nil {
return err
}
afrs := afn.escape()
fmt.Fprintf(w, "// %s, Updated: %s\n", afn.Title, afn.Updated)
fmt.Fprintf(w, "const (\n")
for _, afr := range afrs {
if afr.Name == "" {
continue
}
fmt.Fprintf(w, "AddrFamily%s = %d", afr.Name, afr.Value)
fmt.Fprintf(w, "// %s\n", afr.Descr)
}
fmt.Fprintf(w, ")\n")
return nil
}
type addrFamilylNumbers struct {
XMLName xml.Name `xml:"registry"`
Title string `xml:"title"`
Updated string `xml:"updated"`
RegTitle string `xml:"registry>title"`
Note string `xml:"registry>note"`
Records []struct {
Value string `xml:"value"`
Descr string `xml:"description"`
} `xml:"registry>record"`
}
type canonAddrFamilyRecord struct {
Name string
Descr string
Value int
}
func (afn *addrFamilylNumbers) escape() []canonAddrFamilyRecord {
afrs := make([]canonAddrFamilyRecord, len(afn.Records))
sr := strings.NewReplacer(
"IP version 4", "IPv4",
"IP version 6", "IPv6",
"Identifier", "ID",
"-", "",
"-", "",
"/", "",
".", "",
" ", "",
)
for i, afr := range afn.Records {
if strings.Contains(afr.Descr, "Unassigned") ||
strings.Contains(afr.Descr, "Reserved") {
continue
}
afrs[i].Descr = afr.Descr
s := strings.TrimSpace(afr.Descr)
switch s {
case "IP (IP version 4)":
afrs[i].Name = "IPv4"
case "IP6 (IP version 6)":
afrs[i].Name = "IPv6"
case "AFI for L2VPN information":
afrs[i].Name = "L2VPN"
case "E.164 with NSAP format subaddress":
afrs[i].Name = "E164withSubaddress"
case "MT IP: Multi-Topology IP version 4":
afrs[i].Name = "MTIPv4"
case "MAC/24":
afrs[i].Name = "MACFinal24bits"
case "MAC/40":
afrs[i].Name = "MACFinal40bits"
case "IPv6/64":
afrs[i].Name = "IPv6Initial64bits"
default:
n := strings.Index(s, "(")
if n > 0 {
s = s[:n]
}
n = strings.Index(s, ":")
if n > 0 {
s = s[:n]
}
afrs[i].Name = sr.Replace(s)
}
afrs[i].Value, _ = strconv.Atoi(afr.Value)
}
return afrs
}

44
vendor/golang.org/x/net/internal/socket/defs_darwin.go generated vendored
View File

@ -1,44 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package socket
/*
#include <sys/socket.h>
#include <netinet/in.h>
*/
import "C"
const (
sysAF_UNSPEC = C.AF_UNSPEC
sysAF_INET = C.AF_INET
sysAF_INET6 = C.AF_INET6
sysSOCK_RAW = C.SOCK_RAW
)
type iovec C.struct_iovec
type msghdr C.struct_msghdr
type cmsghdr C.struct_cmsghdr
type sockaddrInet C.struct_sockaddr_in
type sockaddrInet6 C.struct_sockaddr_in6
const (
sizeofIovec = C.sizeof_struct_iovec
sizeofMsghdr = C.sizeof_struct_msghdr
sizeofCmsghdr = C.sizeof_struct_cmsghdr
sizeofSockaddrInet = C.sizeof_struct_sockaddr_in
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
)

44
vendor/golang.org/x/net/internal/socket/defs_dragonfly.go generated vendored
View File

@ -1,44 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package socket
/*
#include <sys/socket.h>
#include <netinet/in.h>
*/
import "C"
const (
sysAF_UNSPEC = C.AF_UNSPEC
sysAF_INET = C.AF_INET
sysAF_INET6 = C.AF_INET6
sysSOCK_RAW = C.SOCK_RAW
)
type iovec C.struct_iovec
type msghdr C.struct_msghdr
type cmsghdr C.struct_cmsghdr
type sockaddrInet C.struct_sockaddr_in
type sockaddrInet6 C.struct_sockaddr_in6
const (
sizeofIovec = C.sizeof_struct_iovec
sizeofMsghdr = C.sizeof_struct_msghdr
sizeofCmsghdr = C.sizeof_struct_cmsghdr
sizeofSockaddrInet = C.sizeof_struct_sockaddr_in
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
)

44
vendor/golang.org/x/net/internal/socket/defs_freebsd.go generated vendored
View File

@ -1,44 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package socket
/*
#include <sys/socket.h>
#include <netinet/in.h>
*/
import "C"
const (
sysAF_UNSPEC = C.AF_UNSPEC
sysAF_INET = C.AF_INET
sysAF_INET6 = C.AF_INET6
sysSOCK_RAW = C.SOCK_RAW
)
type iovec C.struct_iovec
type msghdr C.struct_msghdr
type cmsghdr C.struct_cmsghdr
type sockaddrInet C.struct_sockaddr_in
type sockaddrInet6 C.struct_sockaddr_in6
const (
sizeofIovec = C.sizeof_struct_iovec
sizeofMsghdr = C.sizeof_struct_msghdr
sizeofCmsghdr = C.sizeof_struct_cmsghdr
sizeofSockaddrInet = C.sizeof_struct_sockaddr_in
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
)

49
vendor/golang.org/x/net/internal/socket/defs_linux.go generated vendored
View File

@ -1,49 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package socket
/*
#include <linux/in.h>
#include <linux/in6.h>
#define _GNU_SOURCE
#include <sys/socket.h>
*/
import "C"
const (
sysAF_UNSPEC = C.AF_UNSPEC
sysAF_INET = C.AF_INET
sysAF_INET6 = C.AF_INET6
sysSOCK_RAW = C.SOCK_RAW
)
type iovec C.struct_iovec
type msghdr C.struct_msghdr
type mmsghdr C.struct_mmsghdr
type cmsghdr C.struct_cmsghdr
type sockaddrInet C.struct_sockaddr_in
type sockaddrInet6 C.struct_sockaddr_in6
const (
sizeofIovec = C.sizeof_struct_iovec
sizeofMsghdr = C.sizeof_struct_msghdr
sizeofMmsghdr = C.sizeof_struct_mmsghdr
sizeofCmsghdr = C.sizeof_struct_cmsghdr
sizeofSockaddrInet = C.sizeof_struct_sockaddr_in
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
)

47
vendor/golang.org/x/net/internal/socket/defs_netbsd.go generated vendored
View File

@ -1,47 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package socket
/*
#include <sys/socket.h>
#include <netinet/in.h>
*/
import "C"
const (
sysAF_UNSPEC = C.AF_UNSPEC
sysAF_INET = C.AF_INET
sysAF_INET6 = C.AF_INET6
sysSOCK_RAW = C.SOCK_RAW
)
type iovec C.struct_iovec
type msghdr C.struct_msghdr
type mmsghdr C.struct_mmsghdr
type cmsghdr C.struct_cmsghdr
type sockaddrInet C.struct_sockaddr_in
type sockaddrInet6 C.struct_sockaddr_in6
const (
sizeofIovec = C.sizeof_struct_iovec
sizeofMsghdr = C.sizeof_struct_msghdr
sizeofMmsghdr = C.sizeof_struct_mmsghdr
sizeofCmsghdr = C.sizeof_struct_cmsghdr
sizeofSockaddrInet = C.sizeof_struct_sockaddr_in
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
)

44
vendor/golang.org/x/net/internal/socket/defs_openbsd.go generated vendored
View File

@ -1,44 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package socket
/*
#include <sys/socket.h>
#include <netinet/in.h>
*/
import "C"
const (
sysAF_UNSPEC = C.AF_UNSPEC
sysAF_INET = C.AF_INET
sysAF_INET6 = C.AF_INET6
sysSOCK_RAW = C.SOCK_RAW
)
type iovec C.struct_iovec
type msghdr C.struct_msghdr
type cmsghdr C.struct_cmsghdr
type sockaddrInet C.struct_sockaddr_in
type sockaddrInet6 C.struct_sockaddr_in6
const (
sizeofIovec = C.sizeof_struct_iovec
sizeofMsghdr = C.sizeof_struct_msghdr
sizeofCmsghdr = C.sizeof_struct_cmsghdr
sizeofSockaddrInet = C.sizeof_struct_sockaddr_in
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
)

44
vendor/golang.org/x/net/internal/socket/defs_solaris.go generated vendored
View File

@ -1,44 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package socket
/*
#include <sys/socket.h>
#include <netinet/in.h>
*/
import "C"
const (
sysAF_UNSPEC = C.AF_UNSPEC
sysAF_INET = C.AF_INET
sysAF_INET6 = C.AF_INET6
sysSOCK_RAW = C.SOCK_RAW
)
type iovec C.struct_iovec
type msghdr C.struct_msghdr
type cmsghdr C.struct_cmsghdr
type sockaddrInet C.struct_sockaddr_in
type sockaddrInet6 C.struct_sockaddr_in6
const (
sizeofIovec = C.sizeof_struct_iovec
sizeofMsghdr = C.sizeof_struct_msghdr
sizeofCmsghdr = C.sizeof_struct_cmsghdr
sizeofSockaddrInet = C.sizeof_struct_sockaddr_in
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
)

77
vendor/golang.org/x/net/ipv4/defs_darwin.go generated vendored
View File

@ -1,77 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
package ipv4
/*
#include <sys/socket.h>
#include <netinet/in.h>
*/
import "C"
const (
sysIP_OPTIONS = C.IP_OPTIONS
sysIP_HDRINCL = C.IP_HDRINCL
sysIP_TOS = C.IP_TOS
sysIP_TTL = C.IP_TTL
sysIP_RECVOPTS = C.IP_RECVOPTS
sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
sysIP_RETOPTS = C.IP_RETOPTS
sysIP_RECVIF = C.IP_RECVIF
sysIP_STRIPHDR = C.IP_STRIPHDR
sysIP_RECVTTL = C.IP_RECVTTL
sysIP_BOUND_IF = C.IP_BOUND_IF
sysIP_PKTINFO = C.IP_PKTINFO
sysIP_RECVPKTINFO = C.IP_RECVPKTINFO
sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
sysIP_MULTICAST_VIF = C.IP_MULTICAST_VIF
sysIP_MULTICAST_IFINDEX = C.IP_MULTICAST_IFINDEX
sysIP_ADD_SOURCE_MEMBERSHIP = C.IP_ADD_SOURCE_MEMBERSHIP
sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
sysIP_BLOCK_SOURCE = C.IP_BLOCK_SOURCE
sysIP_UNBLOCK_SOURCE = C.IP_UNBLOCK_SOURCE
sysMCAST_JOIN_GROUP = C.MCAST_JOIN_GROUP
sysMCAST_LEAVE_GROUP = C.MCAST_LEAVE_GROUP
sysMCAST_JOIN_SOURCE_GROUP = C.MCAST_JOIN_SOURCE_GROUP
sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
sysMCAST_BLOCK_SOURCE = C.MCAST_BLOCK_SOURCE
sysMCAST_UNBLOCK_SOURCE = C.MCAST_UNBLOCK_SOURCE
sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
sizeofSockaddrInet = C.sizeof_struct_sockaddr_in
sizeofInetPktinfo = C.sizeof_struct_in_pktinfo
sizeofIPMreq = C.sizeof_struct_ip_mreq
sizeofIPMreqn = C.sizeof_struct_ip_mreqn
sizeofIPMreqSource = C.sizeof_struct_ip_mreq_source
sizeofGroupReq = C.sizeof_struct_group_req
sizeofGroupSourceReq = C.sizeof_struct_group_source_req
)
type sockaddrStorage C.struct_sockaddr_storage
type sockaddrInet C.struct_sockaddr_in
type inetPktinfo C.struct_in_pktinfo
type ipMreq C.struct_ip_mreq
type ipMreqn C.struct_ip_mreqn
type ipMreqSource C.struct_ip_mreq_source
type groupReq C.struct_group_req
type groupSourceReq C.struct_group_source_req

38
vendor/golang.org/x/net/ipv4/defs_dragonfly.go generated vendored
View File

@ -1,38 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
package ipv4
/*
#include <netinet/in.h>
*/
import "C"
const (
sysIP_OPTIONS = C.IP_OPTIONS
sysIP_HDRINCL = C.IP_HDRINCL
sysIP_TOS = C.IP_TOS
sysIP_TTL = C.IP_TTL
sysIP_RECVOPTS = C.IP_RECVOPTS
sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
sysIP_RETOPTS = C.IP_RETOPTS
sysIP_RECVIF = C.IP_RECVIF
sysIP_RECVTTL = C.IP_RECVTTL
sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
sysIP_MULTICAST_VIF = C.IP_MULTICAST_VIF
sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
sizeofIPMreq = C.sizeof_struct_ip_mreq
)
type ipMreq C.struct_ip_mreq

75
vendor/golang.org/x/net/ipv4/defs_freebsd.go generated vendored
View File

@ -1,75 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
package ipv4
/*
#include <sys/socket.h>
#include <netinet/in.h>
*/
import "C"
const (
sysIP_OPTIONS = C.IP_OPTIONS
sysIP_HDRINCL = C.IP_HDRINCL
sysIP_TOS = C.IP_TOS
sysIP_TTL = C.IP_TTL
sysIP_RECVOPTS = C.IP_RECVOPTS
sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
sysIP_SENDSRCADDR = C.IP_SENDSRCADDR
sysIP_RETOPTS = C.IP_RETOPTS
sysIP_RECVIF = C.IP_RECVIF
sysIP_ONESBCAST = C.IP_ONESBCAST
sysIP_BINDANY = C.IP_BINDANY
sysIP_RECVTTL = C.IP_RECVTTL
sysIP_MINTTL = C.IP_MINTTL
sysIP_DONTFRAG = C.IP_DONTFRAG
sysIP_RECVTOS = C.IP_RECVTOS
sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
sysIP_MULTICAST_VIF = C.IP_MULTICAST_VIF
sysIP_ADD_SOURCE_MEMBERSHIP = C.IP_ADD_SOURCE_MEMBERSHIP
sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
sysIP_BLOCK_SOURCE = C.IP_BLOCK_SOURCE
sysIP_UNBLOCK_SOURCE = C.IP_UNBLOCK_SOURCE
sysMCAST_JOIN_GROUP = C.MCAST_JOIN_GROUP
sysMCAST_LEAVE_GROUP = C.MCAST_LEAVE_GROUP
sysMCAST_JOIN_SOURCE_GROUP = C.MCAST_JOIN_SOURCE_GROUP
sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
sysMCAST_BLOCK_SOURCE = C.MCAST_BLOCK_SOURCE
sysMCAST_UNBLOCK_SOURCE = C.MCAST_UNBLOCK_SOURCE
sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
sizeofSockaddrInet = C.sizeof_struct_sockaddr_in
sizeofIPMreq = C.sizeof_struct_ip_mreq
sizeofIPMreqn = C.sizeof_struct_ip_mreqn
sizeofIPMreqSource = C.sizeof_struct_ip_mreq_source
sizeofGroupReq = C.sizeof_struct_group_req
sizeofGroupSourceReq = C.sizeof_struct_group_source_req
)
type sockaddrStorage C.struct_sockaddr_storage
type sockaddrInet C.struct_sockaddr_in
type ipMreq C.struct_ip_mreq
type ipMreqn C.struct_ip_mreqn
type ipMreqSource C.struct_ip_mreq_source
type groupReq C.struct_group_req
type groupSourceReq C.struct_group_source_req

122
vendor/golang.org/x/net/ipv4/defs_linux.go generated vendored
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@ -1,122 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
package ipv4
/*
#include <time.h>
#include <linux/errqueue.h>
#include <linux/icmp.h>
#include <linux/in.h>
#include <linux/filter.h>
#include <sys/socket.h>
*/
import "C"
const (
sysIP_TOS = C.IP_TOS
sysIP_TTL = C.IP_TTL
sysIP_HDRINCL = C.IP_HDRINCL
sysIP_OPTIONS = C.IP_OPTIONS
sysIP_ROUTER_ALERT = C.IP_ROUTER_ALERT
sysIP_RECVOPTS = C.IP_RECVOPTS
sysIP_RETOPTS = C.IP_RETOPTS
sysIP_PKTINFO = C.IP_PKTINFO
sysIP_PKTOPTIONS = C.IP_PKTOPTIONS
sysIP_MTU_DISCOVER = C.IP_MTU_DISCOVER
sysIP_RECVERR = C.IP_RECVERR
sysIP_RECVTTL = C.IP_RECVTTL
sysIP_RECVTOS = C.IP_RECVTOS
sysIP_MTU = C.IP_MTU
sysIP_FREEBIND = C.IP_FREEBIND
sysIP_TRANSPARENT = C.IP_TRANSPARENT
sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
sysIP_ORIGDSTADDR = C.IP_ORIGDSTADDR
sysIP_RECVORIGDSTADDR = C.IP_RECVORIGDSTADDR
sysIP_MINTTL = C.IP_MINTTL
sysIP_NODEFRAG = C.IP_NODEFRAG
sysIP_UNICAST_IF = C.IP_UNICAST_IF
sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
sysIP_UNBLOCK_SOURCE = C.IP_UNBLOCK_SOURCE
sysIP_BLOCK_SOURCE = C.IP_BLOCK_SOURCE
sysIP_ADD_SOURCE_MEMBERSHIP = C.IP_ADD_SOURCE_MEMBERSHIP
sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
sysIP_MSFILTER = C.IP_MSFILTER
sysMCAST_JOIN_GROUP = C.MCAST_JOIN_GROUP
sysMCAST_LEAVE_GROUP = C.MCAST_LEAVE_GROUP
sysMCAST_JOIN_SOURCE_GROUP = C.MCAST_JOIN_SOURCE_GROUP
sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
sysMCAST_BLOCK_SOURCE = C.MCAST_BLOCK_SOURCE
sysMCAST_UNBLOCK_SOURCE = C.MCAST_UNBLOCK_SOURCE
sysMCAST_MSFILTER = C.MCAST_MSFILTER
sysIP_MULTICAST_ALL = C.IP_MULTICAST_ALL
//sysIP_PMTUDISC_DONT = C.IP_PMTUDISC_DONT
//sysIP_PMTUDISC_WANT = C.IP_PMTUDISC_WANT
//sysIP_PMTUDISC_DO = C.IP_PMTUDISC_DO
//sysIP_PMTUDISC_PROBE = C.IP_PMTUDISC_PROBE
//sysIP_PMTUDISC_INTERFACE = C.IP_PMTUDISC_INTERFACE
//sysIP_PMTUDISC_OMIT = C.IP_PMTUDISC_OMIT
sysICMP_FILTER = C.ICMP_FILTER
sysSO_EE_ORIGIN_NONE = C.SO_EE_ORIGIN_NONE
sysSO_EE_ORIGIN_LOCAL = C.SO_EE_ORIGIN_LOCAL
sysSO_EE_ORIGIN_ICMP = C.SO_EE_ORIGIN_ICMP
sysSO_EE_ORIGIN_ICMP6 = C.SO_EE_ORIGIN_ICMP6
sysSO_EE_ORIGIN_TXSTATUS = C.SO_EE_ORIGIN_TXSTATUS
sysSO_EE_ORIGIN_TIMESTAMPING = C.SO_EE_ORIGIN_TIMESTAMPING
sysSOL_SOCKET = C.SOL_SOCKET
sysSO_ATTACH_FILTER = C.SO_ATTACH_FILTER
sizeofKernelSockaddrStorage = C.sizeof_struct___kernel_sockaddr_storage
sizeofSockaddrInet = C.sizeof_struct_sockaddr_in
sizeofInetPktinfo = C.sizeof_struct_in_pktinfo
sizeofSockExtendedErr = C.sizeof_struct_sock_extended_err
sizeofIPMreq = C.sizeof_struct_ip_mreq
sizeofIPMreqn = C.sizeof_struct_ip_mreqn
sizeofIPMreqSource = C.sizeof_struct_ip_mreq_source
sizeofGroupReq = C.sizeof_struct_group_req
sizeofGroupSourceReq = C.sizeof_struct_group_source_req
sizeofICMPFilter = C.sizeof_struct_icmp_filter
sizeofSockFprog = C.sizeof_struct_sock_fprog
)
type kernelSockaddrStorage C.struct___kernel_sockaddr_storage
type sockaddrInet C.struct_sockaddr_in
type inetPktinfo C.struct_in_pktinfo
type sockExtendedErr C.struct_sock_extended_err
type ipMreq C.struct_ip_mreq
type ipMreqn C.struct_ip_mreqn
type ipMreqSource C.struct_ip_mreq_source
type groupReq C.struct_group_req
type groupSourceReq C.struct_group_source_req
type icmpFilter C.struct_icmp_filter
type sockFProg C.struct_sock_fprog
type sockFilter C.struct_sock_filter

37
vendor/golang.org/x/net/ipv4/defs_netbsd.go generated vendored
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@ -1,37 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
package ipv4
/*
#include <netinet/in.h>
*/
import "C"
const (
sysIP_OPTIONS = C.IP_OPTIONS
sysIP_HDRINCL = C.IP_HDRINCL
sysIP_TOS = C.IP_TOS
sysIP_TTL = C.IP_TTL
sysIP_RECVOPTS = C.IP_RECVOPTS
sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
sysIP_RETOPTS = C.IP_RETOPTS
sysIP_RECVIF = C.IP_RECVIF
sysIP_RECVTTL = C.IP_RECVTTL
sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
sizeofIPMreq = C.sizeof_struct_ip_mreq
)
type ipMreq C.struct_ip_mreq

37
vendor/golang.org/x/net/ipv4/defs_openbsd.go generated vendored
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@ -1,37 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
package ipv4
/*
#include <netinet/in.h>
*/
import "C"
const (
sysIP_OPTIONS = C.IP_OPTIONS
sysIP_HDRINCL = C.IP_HDRINCL
sysIP_TOS = C.IP_TOS
sysIP_TTL = C.IP_TTL
sysIP_RECVOPTS = C.IP_RECVOPTS
sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
sysIP_RETOPTS = C.IP_RETOPTS
sysIP_RECVIF = C.IP_RECVIF
sysIP_RECVTTL = C.IP_RECVTTL
sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
sizeofIPMreq = C.sizeof_struct_ip_mreq
)
type ipMreq C.struct_ip_mreq

84
vendor/golang.org/x/net/ipv4/defs_solaris.go generated vendored
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@ -1,84 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in_addr [4]byte /* in_addr */
package ipv4
/*
#include <sys/socket.h>
#include <netinet/in.h>
*/
import "C"
const (
sysIP_OPTIONS = C.IP_OPTIONS
sysIP_HDRINCL = C.IP_HDRINCL
sysIP_TOS = C.IP_TOS
sysIP_TTL = C.IP_TTL
sysIP_RECVOPTS = C.IP_RECVOPTS
sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
sysIP_RETOPTS = C.IP_RETOPTS
sysIP_RECVIF = C.IP_RECVIF
sysIP_RECVSLLA = C.IP_RECVSLLA
sysIP_RECVTTL = C.IP_RECVTTL
sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
sysIP_BLOCK_SOURCE = C.IP_BLOCK_SOURCE
sysIP_UNBLOCK_SOURCE = C.IP_UNBLOCK_SOURCE
sysIP_ADD_SOURCE_MEMBERSHIP = C.IP_ADD_SOURCE_MEMBERSHIP
sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
sysIP_NEXTHOP = C.IP_NEXTHOP
sysIP_PKTINFO = C.IP_PKTINFO
sysIP_RECVPKTINFO = C.IP_RECVPKTINFO
sysIP_DONTFRAG = C.IP_DONTFRAG
sysIP_BOUND_IF = C.IP_BOUND_IF
sysIP_UNSPEC_SRC = C.IP_UNSPEC_SRC
sysIP_BROADCAST_TTL = C.IP_BROADCAST_TTL
sysIP_DHCPINIT_IF = C.IP_DHCPINIT_IF
sysIP_REUSEADDR = C.IP_REUSEADDR
sysIP_DONTROUTE = C.IP_DONTROUTE
sysIP_BROADCAST = C.IP_BROADCAST
sysMCAST_JOIN_GROUP = C.MCAST_JOIN_GROUP
sysMCAST_LEAVE_GROUP = C.MCAST_LEAVE_GROUP
sysMCAST_BLOCK_SOURCE = C.MCAST_BLOCK_SOURCE
sysMCAST_UNBLOCK_SOURCE = C.MCAST_UNBLOCK_SOURCE
sysMCAST_JOIN_SOURCE_GROUP = C.MCAST_JOIN_SOURCE_GROUP
sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
sizeofSockaddrInet = C.sizeof_struct_sockaddr_in
sizeofInetPktinfo = C.sizeof_struct_in_pktinfo
sizeofIPMreq = C.sizeof_struct_ip_mreq
sizeofIPMreqSource = C.sizeof_struct_ip_mreq_source
sizeofGroupReq = C.sizeof_struct_group_req
sizeofGroupSourceReq = C.sizeof_struct_group_source_req
)
type sockaddrStorage C.struct_sockaddr_storage
type sockaddrInet C.struct_sockaddr_in
type inetPktinfo C.struct_in_pktinfo
type ipMreq C.struct_ip_mreq
type ipMreqSource C.struct_ip_mreq_source
type groupReq C.struct_group_req
type groupSourceReq C.struct_group_source_req

199
vendor/golang.org/x/net/ipv4/gen.go generated vendored
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@ -1,199 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
//go:generate go run gen.go
// This program generates system adaptation constants and types,
// internet protocol constants and tables by reading template files
// and IANA protocol registries.
package main
import (
"bytes"
"encoding/xml"
"fmt"
"go/format"
"io"
"io/ioutil"
"net/http"
"os"
"os/exec"
"runtime"
"strconv"
"strings"
)
func main() {
if err := genzsys(); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if err := geniana(); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
func genzsys() error {
defs := "defs_" + runtime.GOOS + ".go"
f, err := os.Open(defs)
if err != nil {
if os.IsNotExist(err) {
return nil
}
return err
}
f.Close()
cmd := exec.Command("go", "tool", "cgo", "-godefs", defs)
b, err := cmd.Output()
if err != nil {
return err
}
b, err = format.Source(b)
if err != nil {
return err
}
zsys := "zsys_" + runtime.GOOS + ".go"
switch runtime.GOOS {
case "freebsd", "linux":
zsys = "zsys_" + runtime.GOOS + "_" + runtime.GOARCH + ".go"
}
if err := ioutil.WriteFile(zsys, b, 0644); err != nil {
return err
}
return nil
}
var registries = []struct {
url string
parse func(io.Writer, io.Reader) error
}{
{
"https://www.iana.org/assignments/icmp-parameters/icmp-parameters.xml",
parseICMPv4Parameters,
},
}
func geniana() error {
var bb bytes.Buffer
fmt.Fprintf(&bb, "// go generate gen.go\n")
fmt.Fprintf(&bb, "// Code generated by the command above; DO NOT EDIT.\n\n")
fmt.Fprintf(&bb, "package ipv4\n\n")
for _, r := range registries {
resp, err := http.Get(r.url)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("got HTTP status code %v for %v\n", resp.StatusCode, r.url)
}
if err := r.parse(&bb, resp.Body); err != nil {
return err
}
fmt.Fprintf(&bb, "\n")
}
b, err := format.Source(bb.Bytes())
if err != nil {
return err
}
if err := ioutil.WriteFile("iana.go", b, 0644); err != nil {
return err
}
return nil
}
func parseICMPv4Parameters(w io.Writer, r io.Reader) error {
dec := xml.NewDecoder(r)
var icp icmpv4Parameters
if err := dec.Decode(&icp); err != nil {
return err
}
prs := icp.escape()
fmt.Fprintf(w, "// %s, Updated: %s\n", icp.Title, icp.Updated)
fmt.Fprintf(w, "const (\n")
for _, pr := range prs {
if pr.Descr == "" {
continue
}
fmt.Fprintf(w, "ICMPType%s ICMPType = %d", pr.Descr, pr.Value)
fmt.Fprintf(w, "// %s\n", pr.OrigDescr)
}
fmt.Fprintf(w, ")\n\n")
fmt.Fprintf(w, "// %s, Updated: %s\n", icp.Title, icp.Updated)
fmt.Fprintf(w, "var icmpTypes = map[ICMPType]string{\n")
for _, pr := range prs {
if pr.Descr == "" {
continue
}
fmt.Fprintf(w, "%d: %q,\n", pr.Value, strings.ToLower(pr.OrigDescr))
}
fmt.Fprintf(w, "}\n")
return nil
}
type icmpv4Parameters struct {
XMLName xml.Name `xml:"registry"`
Title string `xml:"title"`
Updated string `xml:"updated"`
Registries []struct {
Title string `xml:"title"`
Records []struct {
Value string `xml:"value"`
Descr string `xml:"description"`
} `xml:"record"`
} `xml:"registry"`
}
type canonICMPv4ParamRecord struct {
OrigDescr string
Descr string
Value int
}
func (icp *icmpv4Parameters) escape() []canonICMPv4ParamRecord {
id := -1
for i, r := range icp.Registries {
if strings.Contains(r.Title, "Type") || strings.Contains(r.Title, "type") {
id = i
break
}
}
if id < 0 {
return nil
}
prs := make([]canonICMPv4ParamRecord, len(icp.Registries[id].Records))
sr := strings.NewReplacer(
"Messages", "",
"Message", "",
"ICMP", "",
"+", "P",
"-", "",
"/", "",
".", "",
" ", "",
)
for i, pr := range icp.Registries[id].Records {
if strings.Contains(pr.Descr, "Reserved") ||
strings.Contains(pr.Descr, "Unassigned") ||
strings.Contains(pr.Descr, "Deprecated") ||
strings.Contains(pr.Descr, "Experiment") ||
strings.Contains(pr.Descr, "experiment") {
continue
}
ss := strings.Split(pr.Descr, "\n")
if len(ss) > 1 {
prs[i].Descr = strings.Join(ss, " ")
} else {
prs[i].Descr = ss[0]
}
s := strings.TrimSpace(prs[i].Descr)
prs[i].OrigDescr = s
prs[i].Descr = sr.Replace(s)
prs[i].Value, _ = strconv.Atoi(pr.Value)
}
return prs
}

112
vendor/golang.org/x/net/ipv6/defs_darwin.go generated vendored
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@ -1,112 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package ipv6
/*
#define __APPLE_USE_RFC_3542
#include <netinet/in.h>
#include <netinet/icmp6.h>
*/
import "C"
const (
sysIPV6_UNICAST_HOPS = C.IPV6_UNICAST_HOPS
sysIPV6_MULTICAST_IF = C.IPV6_MULTICAST_IF
sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
sysIPV6_JOIN_GROUP = C.IPV6_JOIN_GROUP
sysIPV6_LEAVE_GROUP = C.IPV6_LEAVE_GROUP
sysIPV6_PORTRANGE = C.IPV6_PORTRANGE
sysICMP6_FILTER = C.ICMP6_FILTER
sysIPV6_2292PKTINFO = C.IPV6_2292PKTINFO
sysIPV6_2292HOPLIMIT = C.IPV6_2292HOPLIMIT
sysIPV6_2292NEXTHOP = C.IPV6_2292NEXTHOP
sysIPV6_2292HOPOPTS = C.IPV6_2292HOPOPTS
sysIPV6_2292DSTOPTS = C.IPV6_2292DSTOPTS
sysIPV6_2292RTHDR = C.IPV6_2292RTHDR
sysIPV6_2292PKTOPTIONS = C.IPV6_2292PKTOPTIONS
sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
sysIPV6_V6ONLY = C.IPV6_V6ONLY
sysIPV6_IPSEC_POLICY = C.IPV6_IPSEC_POLICY
sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
sysIPV6_TCLASS = C.IPV6_TCLASS
sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
sysIPV6_RECVPKTINFO = C.IPV6_RECVPKTINFO
sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
sysIPV6_RECVRTHDR = C.IPV6_RECVRTHDR
sysIPV6_RECVHOPOPTS = C.IPV6_RECVHOPOPTS
sysIPV6_RECVDSTOPTS = C.IPV6_RECVDSTOPTS
sysIPV6_USE_MIN_MTU = C.IPV6_USE_MIN_MTU
sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_HOPOPTS = C.IPV6_HOPOPTS
sysIPV6_DSTOPTS = C.IPV6_DSTOPTS
sysIPV6_RTHDR = C.IPV6_RTHDR
sysIPV6_AUTOFLOWLABEL = C.IPV6_AUTOFLOWLABEL
sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
sysIPV6_PREFER_TEMPADDR = C.IPV6_PREFER_TEMPADDR
sysIPV6_MSFILTER = C.IPV6_MSFILTER
sysMCAST_JOIN_GROUP = C.MCAST_JOIN_GROUP
sysMCAST_LEAVE_GROUP = C.MCAST_LEAVE_GROUP
sysMCAST_JOIN_SOURCE_GROUP = C.MCAST_JOIN_SOURCE_GROUP
sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
sysMCAST_BLOCK_SOURCE = C.MCAST_BLOCK_SOURCE
sysMCAST_UNBLOCK_SOURCE = C.MCAST_UNBLOCK_SOURCE
sysIPV6_BOUND_IF = C.IPV6_BOUND_IF
sysIPV6_PORTRANGE_DEFAULT = C.IPV6_PORTRANGE_DEFAULT
sysIPV6_PORTRANGE_HIGH = C.IPV6_PORTRANGE_HIGH
sysIPV6_PORTRANGE_LOW = C.IPV6_PORTRANGE_LOW
sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
sizeofIPv6Mtuinfo = C.sizeof_struct_ip6_mtuinfo
sizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq
sizeofGroupReq = C.sizeof_struct_group_req
sizeofGroupSourceReq = C.sizeof_struct_group_source_req
sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
)
type sockaddrStorage C.struct_sockaddr_storage
type sockaddrInet6 C.struct_sockaddr_in6
type inet6Pktinfo C.struct_in6_pktinfo
type ipv6Mtuinfo C.struct_ip6_mtuinfo
type ipv6Mreq C.struct_ipv6_mreq
type icmpv6Filter C.struct_icmp6_filter
type groupReq C.struct_group_req
type groupSourceReq C.struct_group_source_req

84
vendor/golang.org/x/net/ipv6/defs_dragonfly.go generated vendored
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@ -1,84 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package ipv6
/*
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/icmp6.h>
*/
import "C"
const (
sysIPV6_UNICAST_HOPS = C.IPV6_UNICAST_HOPS
sysIPV6_MULTICAST_IF = C.IPV6_MULTICAST_IF
sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
sysIPV6_JOIN_GROUP = C.IPV6_JOIN_GROUP
sysIPV6_LEAVE_GROUP = C.IPV6_LEAVE_GROUP
sysIPV6_PORTRANGE = C.IPV6_PORTRANGE
sysICMP6_FILTER = C.ICMP6_FILTER
sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
sysIPV6_V6ONLY = C.IPV6_V6ONLY
sysIPV6_IPSEC_POLICY = C.IPV6_IPSEC_POLICY
sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
sysIPV6_RECVPKTINFO = C.IPV6_RECVPKTINFO
sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
sysIPV6_RECVRTHDR = C.IPV6_RECVRTHDR
sysIPV6_RECVHOPOPTS = C.IPV6_RECVHOPOPTS
sysIPV6_RECVDSTOPTS = C.IPV6_RECVDSTOPTS
sysIPV6_USE_MIN_MTU = C.IPV6_USE_MIN_MTU
sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_HOPOPTS = C.IPV6_HOPOPTS
sysIPV6_DSTOPTS = C.IPV6_DSTOPTS
sysIPV6_RTHDR = C.IPV6_RTHDR
sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
sysIPV6_AUTOFLOWLABEL = C.IPV6_AUTOFLOWLABEL
sysIPV6_TCLASS = C.IPV6_TCLASS
sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
sysIPV6_PREFER_TEMPADDR = C.IPV6_PREFER_TEMPADDR
sysIPV6_PORTRANGE_DEFAULT = C.IPV6_PORTRANGE_DEFAULT
sysIPV6_PORTRANGE_HIGH = C.IPV6_PORTRANGE_HIGH
sysIPV6_PORTRANGE_LOW = C.IPV6_PORTRANGE_LOW
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
sizeofIPv6Mtuinfo = C.sizeof_struct_ip6_mtuinfo
sizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq
sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
)
type sockaddrInet6 C.struct_sockaddr_in6
type inet6Pktinfo C.struct_in6_pktinfo
type ipv6Mtuinfo C.struct_ip6_mtuinfo
type ipv6Mreq C.struct_ipv6_mreq
type icmpv6Filter C.struct_icmp6_filter

105
vendor/golang.org/x/net/ipv6/defs_freebsd.go generated vendored
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@ -1,105 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package ipv6
/*
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/icmp6.h>
*/
import "C"
const (
sysIPV6_UNICAST_HOPS = C.IPV6_UNICAST_HOPS
sysIPV6_MULTICAST_IF = C.IPV6_MULTICAST_IF
sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
sysIPV6_JOIN_GROUP = C.IPV6_JOIN_GROUP
sysIPV6_LEAVE_GROUP = C.IPV6_LEAVE_GROUP
sysIPV6_PORTRANGE = C.IPV6_PORTRANGE
sysICMP6_FILTER = C.ICMP6_FILTER
sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
sysIPV6_V6ONLY = C.IPV6_V6ONLY
sysIPV6_IPSEC_POLICY = C.IPV6_IPSEC_POLICY
sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
sysIPV6_RECVPKTINFO = C.IPV6_RECVPKTINFO
sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
sysIPV6_RECVRTHDR = C.IPV6_RECVRTHDR
sysIPV6_RECVHOPOPTS = C.IPV6_RECVHOPOPTS
sysIPV6_RECVDSTOPTS = C.IPV6_RECVDSTOPTS
sysIPV6_USE_MIN_MTU = C.IPV6_USE_MIN_MTU
sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_HOPOPTS = C.IPV6_HOPOPTS
sysIPV6_DSTOPTS = C.IPV6_DSTOPTS
sysIPV6_RTHDR = C.IPV6_RTHDR
sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
sysIPV6_AUTOFLOWLABEL = C.IPV6_AUTOFLOWLABEL
sysIPV6_TCLASS = C.IPV6_TCLASS
sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
sysIPV6_PREFER_TEMPADDR = C.IPV6_PREFER_TEMPADDR
sysIPV6_BINDANY = C.IPV6_BINDANY
sysIPV6_MSFILTER = C.IPV6_MSFILTER
sysMCAST_JOIN_GROUP = C.MCAST_JOIN_GROUP
sysMCAST_LEAVE_GROUP = C.MCAST_LEAVE_GROUP
sysMCAST_JOIN_SOURCE_GROUP = C.MCAST_JOIN_SOURCE_GROUP
sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
sysMCAST_BLOCK_SOURCE = C.MCAST_BLOCK_SOURCE
sysMCAST_UNBLOCK_SOURCE = C.MCAST_UNBLOCK_SOURCE
sysIPV6_PORTRANGE_DEFAULT = C.IPV6_PORTRANGE_DEFAULT
sysIPV6_PORTRANGE_HIGH = C.IPV6_PORTRANGE_HIGH
sysIPV6_PORTRANGE_LOW = C.IPV6_PORTRANGE_LOW
sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
sizeofIPv6Mtuinfo = C.sizeof_struct_ip6_mtuinfo
sizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq
sizeofGroupReq = C.sizeof_struct_group_req
sizeofGroupSourceReq = C.sizeof_struct_group_source_req
sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
)
type sockaddrStorage C.struct_sockaddr_storage
type sockaddrInet6 C.struct_sockaddr_in6
type inet6Pktinfo C.struct_in6_pktinfo
type ipv6Mtuinfo C.struct_ip6_mtuinfo
type ipv6Mreq C.struct_ipv6_mreq
type groupReq C.struct_group_req
type groupSourceReq C.struct_group_source_req
type icmpv6Filter C.struct_icmp6_filter

147
vendor/golang.org/x/net/ipv6/defs_linux.go generated vendored
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@ -1,147 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package ipv6
/*
#include <linux/in.h>
#include <linux/in6.h>
#include <linux/ipv6.h>
#include <linux/icmpv6.h>
#include <linux/filter.h>
#include <sys/socket.h>
*/
import "C"
const (
sysIPV6_ADDRFORM = C.IPV6_ADDRFORM
sysIPV6_2292PKTINFO = C.IPV6_2292PKTINFO
sysIPV6_2292HOPOPTS = C.IPV6_2292HOPOPTS
sysIPV6_2292DSTOPTS = C.IPV6_2292DSTOPTS
sysIPV6_2292RTHDR = C.IPV6_2292RTHDR
sysIPV6_2292PKTOPTIONS = C.IPV6_2292PKTOPTIONS
sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
sysIPV6_2292HOPLIMIT = C.IPV6_2292HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_FLOWINFO = C.IPV6_FLOWINFO
sysIPV6_UNICAST_HOPS = C.IPV6_UNICAST_HOPS
sysIPV6_MULTICAST_IF = C.IPV6_MULTICAST_IF
sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
sysIPV6_ADD_MEMBERSHIP = C.IPV6_ADD_MEMBERSHIP
sysIPV6_DROP_MEMBERSHIP = C.IPV6_DROP_MEMBERSHIP
sysMCAST_JOIN_GROUP = C.MCAST_JOIN_GROUP
sysMCAST_LEAVE_GROUP = C.MCAST_LEAVE_GROUP
sysMCAST_JOIN_SOURCE_GROUP = C.MCAST_JOIN_SOURCE_GROUP
sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
sysMCAST_BLOCK_SOURCE = C.MCAST_BLOCK_SOURCE
sysMCAST_UNBLOCK_SOURCE = C.MCAST_UNBLOCK_SOURCE
sysMCAST_MSFILTER = C.MCAST_MSFILTER
sysIPV6_ROUTER_ALERT = C.IPV6_ROUTER_ALERT
sysIPV6_MTU_DISCOVER = C.IPV6_MTU_DISCOVER
sysIPV6_MTU = C.IPV6_MTU
sysIPV6_RECVERR = C.IPV6_RECVERR
sysIPV6_V6ONLY = C.IPV6_V6ONLY
sysIPV6_JOIN_ANYCAST = C.IPV6_JOIN_ANYCAST
sysIPV6_LEAVE_ANYCAST = C.IPV6_LEAVE_ANYCAST
//sysIPV6_PMTUDISC_DONT = C.IPV6_PMTUDISC_DONT
//sysIPV6_PMTUDISC_WANT = C.IPV6_PMTUDISC_WANT
//sysIPV6_PMTUDISC_DO = C.IPV6_PMTUDISC_DO
//sysIPV6_PMTUDISC_PROBE = C.IPV6_PMTUDISC_PROBE
//sysIPV6_PMTUDISC_INTERFACE = C.IPV6_PMTUDISC_INTERFACE
//sysIPV6_PMTUDISC_OMIT = C.IPV6_PMTUDISC_OMIT
sysIPV6_FLOWLABEL_MGR = C.IPV6_FLOWLABEL_MGR
sysIPV6_FLOWINFO_SEND = C.IPV6_FLOWINFO_SEND
sysIPV6_IPSEC_POLICY = C.IPV6_IPSEC_POLICY
sysIPV6_XFRM_POLICY = C.IPV6_XFRM_POLICY
sysIPV6_RECVPKTINFO = C.IPV6_RECVPKTINFO
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_RECVHOPOPTS = C.IPV6_RECVHOPOPTS
sysIPV6_HOPOPTS = C.IPV6_HOPOPTS
sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
sysIPV6_RECVRTHDR = C.IPV6_RECVRTHDR
sysIPV6_RTHDR = C.IPV6_RTHDR
sysIPV6_RECVDSTOPTS = C.IPV6_RECVDSTOPTS
sysIPV6_DSTOPTS = C.IPV6_DSTOPTS
sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
sysIPV6_TCLASS = C.IPV6_TCLASS
sysIPV6_ADDR_PREFERENCES = C.IPV6_ADDR_PREFERENCES
sysIPV6_PREFER_SRC_TMP = C.IPV6_PREFER_SRC_TMP
sysIPV6_PREFER_SRC_PUBLIC = C.IPV6_PREFER_SRC_PUBLIC
sysIPV6_PREFER_SRC_PUBTMP_DEFAULT = C.IPV6_PREFER_SRC_PUBTMP_DEFAULT
sysIPV6_PREFER_SRC_COA = C.IPV6_PREFER_SRC_COA
sysIPV6_PREFER_SRC_HOME = C.IPV6_PREFER_SRC_HOME
sysIPV6_PREFER_SRC_CGA = C.IPV6_PREFER_SRC_CGA
sysIPV6_PREFER_SRC_NONCGA = C.IPV6_PREFER_SRC_NONCGA
sysIPV6_MINHOPCOUNT = C.IPV6_MINHOPCOUNT
sysIPV6_ORIGDSTADDR = C.IPV6_ORIGDSTADDR
sysIPV6_RECVORIGDSTADDR = C.IPV6_RECVORIGDSTADDR
sysIPV6_TRANSPARENT = C.IPV6_TRANSPARENT
sysIPV6_UNICAST_IF = C.IPV6_UNICAST_IF
sysICMPV6_FILTER = C.ICMPV6_FILTER
sysICMPV6_FILTER_BLOCK = C.ICMPV6_FILTER_BLOCK
sysICMPV6_FILTER_PASS = C.ICMPV6_FILTER_PASS
sysICMPV6_FILTER_BLOCKOTHERS = C.ICMPV6_FILTER_BLOCKOTHERS
sysICMPV6_FILTER_PASSONLY = C.ICMPV6_FILTER_PASSONLY
sysSOL_SOCKET = C.SOL_SOCKET
sysSO_ATTACH_FILTER = C.SO_ATTACH_FILTER
sizeofKernelSockaddrStorage = C.sizeof_struct___kernel_sockaddr_storage
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
sizeofIPv6Mtuinfo = C.sizeof_struct_ip6_mtuinfo
sizeofIPv6FlowlabelReq = C.sizeof_struct_in6_flowlabel_req
sizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq
sizeofGroupReq = C.sizeof_struct_group_req
sizeofGroupSourceReq = C.sizeof_struct_group_source_req
sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
sizeofSockFprog = C.sizeof_struct_sock_fprog
)
type kernelSockaddrStorage C.struct___kernel_sockaddr_storage
type sockaddrInet6 C.struct_sockaddr_in6
type inet6Pktinfo C.struct_in6_pktinfo
type ipv6Mtuinfo C.struct_ip6_mtuinfo
type ipv6FlowlabelReq C.struct_in6_flowlabel_req
type ipv6Mreq C.struct_ipv6_mreq
type groupReq C.struct_group_req
type groupSourceReq C.struct_group_source_req
type icmpv6Filter C.struct_icmp6_filter
type sockFProg C.struct_sock_fprog
type sockFilter C.struct_sock_filter

80
vendor/golang.org/x/net/ipv6/defs_netbsd.go generated vendored
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@ -1,80 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package ipv6
/*
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/icmp6.h>
*/
import "C"
const (
sysIPV6_UNICAST_HOPS = C.IPV6_UNICAST_HOPS
sysIPV6_MULTICAST_IF = C.IPV6_MULTICAST_IF
sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
sysIPV6_JOIN_GROUP = C.IPV6_JOIN_GROUP
sysIPV6_LEAVE_GROUP = C.IPV6_LEAVE_GROUP
sysIPV6_PORTRANGE = C.IPV6_PORTRANGE
sysICMP6_FILTER = C.ICMP6_FILTER
sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
sysIPV6_V6ONLY = C.IPV6_V6ONLY
sysIPV6_IPSEC_POLICY = C.IPV6_IPSEC_POLICY
sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
sysIPV6_RECVPKTINFO = C.IPV6_RECVPKTINFO
sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
sysIPV6_RECVRTHDR = C.IPV6_RECVRTHDR
sysIPV6_RECVHOPOPTS = C.IPV6_RECVHOPOPTS
sysIPV6_RECVDSTOPTS = C.IPV6_RECVDSTOPTS
sysIPV6_USE_MIN_MTU = C.IPV6_USE_MIN_MTU
sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_HOPOPTS = C.IPV6_HOPOPTS
sysIPV6_DSTOPTS = C.IPV6_DSTOPTS
sysIPV6_RTHDR = C.IPV6_RTHDR
sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
sysIPV6_TCLASS = C.IPV6_TCLASS
sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
sysIPV6_PORTRANGE_DEFAULT = C.IPV6_PORTRANGE_DEFAULT
sysIPV6_PORTRANGE_HIGH = C.IPV6_PORTRANGE_HIGH
sysIPV6_PORTRANGE_LOW = C.IPV6_PORTRANGE_LOW
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
sizeofIPv6Mtuinfo = C.sizeof_struct_ip6_mtuinfo
sizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq
sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
)
type sockaddrInet6 C.struct_sockaddr_in6
type inet6Pktinfo C.struct_in6_pktinfo
type ipv6Mtuinfo C.struct_ip6_mtuinfo
type ipv6Mreq C.struct_ipv6_mreq
type icmpv6Filter C.struct_icmp6_filter

89
vendor/golang.org/x/net/ipv6/defs_openbsd.go generated vendored
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@ -1,89 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// +godefs map struct_in6_addr [16]byte /* in6_addr */
package ipv6
/*
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/icmp6.h>
*/
import "C"
const (
sysIPV6_UNICAST_HOPS = C.IPV6_UNICAST_HOPS
sysIPV6_MULTICAST_IF = C.IPV6_MULTICAST_IF
sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
sysIPV6_JOIN_GROUP = C.IPV6_JOIN_GROUP
sysIPV6_LEAVE_GROUP = C.IPV6_LEAVE_GROUP
sysIPV6_PORTRANGE = C.IPV6_PORTRANGE
sysICMP6_FILTER = C.ICMP6_FILTER
sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
sysIPV6_V6ONLY = C.IPV6_V6ONLY
sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
sysIPV6_RECVPKTINFO = C.IPV6_RECVPKTINFO
sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
sysIPV6_RECVRTHDR = C.IPV6_RECVRTHDR
sysIPV6_RECVHOPOPTS = C.IPV6_RECVHOPOPTS
sysIPV6_RECVDSTOPTS = C.IPV6_RECVDSTOPTS
sysIPV6_USE_MIN_MTU = C.IPV6_USE_MIN_MTU
sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_HOPOPTS = C.IPV6_HOPOPTS
sysIPV6_DSTOPTS = C.IPV6_DSTOPTS
sysIPV6_RTHDR = C.IPV6_RTHDR
sysIPV6_AUTH_LEVEL = C.IPV6_AUTH_LEVEL
sysIPV6_ESP_TRANS_LEVEL = C.IPV6_ESP_TRANS_LEVEL
sysIPV6_ESP_NETWORK_LEVEL = C.IPV6_ESP_NETWORK_LEVEL
sysIPSEC6_OUTSA = C.IPSEC6_OUTSA
sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
sysIPV6_AUTOFLOWLABEL = C.IPV6_AUTOFLOWLABEL
sysIPV6_IPCOMP_LEVEL = C.IPV6_IPCOMP_LEVEL
sysIPV6_TCLASS = C.IPV6_TCLASS
sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
sysIPV6_PIPEX = C.IPV6_PIPEX
sysIPV6_RTABLE = C.IPV6_RTABLE
sysIPV6_PORTRANGE_DEFAULT = C.IPV6_PORTRANGE_DEFAULT
sysIPV6_PORTRANGE_HIGH = C.IPV6_PORTRANGE_HIGH
sysIPV6_PORTRANGE_LOW = C.IPV6_PORTRANGE_LOW
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
sizeofIPv6Mtuinfo = C.sizeof_struct_ip6_mtuinfo
sizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq
sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
)
type sockaddrInet6 C.struct_sockaddr_in6
type inet6Pktinfo C.struct_in6_pktinfo
type ipv6Mtuinfo C.struct_ip6_mtuinfo
type ipv6Mreq C.struct_ipv6_mreq
type icmpv6Filter C.struct_icmp6_filter

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