package seccomp import ( "fmt" "github.com/opencontainers/runc/libcontainer/configs" ) var operators = map[string]configs.Operator{ "SCMP_CMP_NE": configs.NotEqualTo, "SCMP_CMP_LT": configs.LessThan, "SCMP_CMP_LE": configs.LessThanOrEqualTo, "SCMP_CMP_EQ": configs.EqualTo, "SCMP_CMP_GE": configs.GreaterThanOrEqualTo, "SCMP_CMP_GT": configs.GreaterThan, "SCMP_CMP_MASKED_EQ": configs.MaskEqualTo, } var actions = map[string]configs.Action{ "SCMP_ACT_KILL": configs.Kill, "SCMP_ACT_ERRNO": configs.Errno, "SCMP_ACT_TRAP": configs.Trap, "SCMP_ACT_ALLOW": configs.Allow, "SCMP_ACT_TRACE": configs.Trace, } var archs = map[string]string{ "SCMP_ARCH_X86": "x86", "SCMP_ARCH_X86_64": "amd64", "SCMP_ARCH_X32": "x32", "SCMP_ARCH_ARM": "arm", "SCMP_ARCH_AARCH64": "arm64", "SCMP_ARCH_MIPS": "mips", "SCMP_ARCH_MIPS64": "mips64", "SCMP_ARCH_MIPS64N32": "mips64n32", "SCMP_ARCH_MIPSEL": "mipsel", "SCMP_ARCH_MIPSEL64": "mipsel64", "SCMP_ARCH_MIPSEL64N32": "mipsel64n32", "SCMP_ARCH_PPC": "ppc", "SCMP_ARCH_PPC64": "ppc64", "SCMP_ARCH_PPC64LE": "ppc64le", "SCMP_ARCH_S390": "s390", "SCMP_ARCH_S390X": "s390x", } // ConvertStringToOperator converts a string into a Seccomp comparison operator. // Comparison operators use the names they are assigned by Libseccomp's header. // Attempting to convert a string that is not a valid operator results in an // error. func ConvertStringToOperator(in string) (configs.Operator, error) { if op, ok := operators[in]; ok == true { return op, nil } return 0, fmt.Errorf("string %s is not a valid operator for seccomp", in) } // ConvertStringToAction converts a string into a Seccomp rule match action. // Actions use the names they are assigned in Libseccomp's header, though some // (notable, SCMP_ACT_TRACE) are not available in this implementation and will // return errors. // Attempting to convert a string that is not a valid action results in an // error. func ConvertStringToAction(in string) (configs.Action, error) { if act, ok := actions[in]; ok == true { return act, nil } return 0, fmt.Errorf("string %s is not a valid action for seccomp", in) } // ConvertStringToArch converts a string into a Seccomp comparison arch. func ConvertStringToArch(in string) (string, error) { if arch, ok := archs[in]; ok == true { return arch, nil } return "", fmt.Errorf("string %s is not a valid arch for seccomp", in) }