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