54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
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package seccomp
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import (
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"fmt"
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rspec "github.com/opencontainers/runtime-spec/specs-go"
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)
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// ParseArchitectureFlag takes the raw string passed with the --arch flag, parses it
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// and updates the Seccomp config accordingly
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func ParseArchitectureFlag(architectureArg string, config *rspec.Seccomp) error {
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correctedArch, err := parseArch(architectureArg)
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if err != nil {
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return err
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}
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shouldAppend := true
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for _, alreadySpecified := range config.Architectures {
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if correctedArch == alreadySpecified {
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shouldAppend = false
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}
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}
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if shouldAppend {
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config.Architectures = append(config.Architectures, correctedArch)
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}
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return nil
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}
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func parseArch(arch string) (rspec.Arch, error) {
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arches := map[string]rspec.Arch{
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"x86": rspec.ArchX86,
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"amd64": rspec.ArchX86_64,
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"x32": rspec.ArchX32,
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"arm": rspec.ArchARM,
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"arm64": rspec.ArchAARCH64,
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"mips": rspec.ArchMIPS,
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"mips64": rspec.ArchMIPS64,
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"mips64n32": rspec.ArchMIPS64N32,
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"mipsel": rspec.ArchMIPSEL,
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"mipsel64": rspec.ArchMIPSEL64,
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"mipsel64n32": rspec.ArchMIPSEL64N32,
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"ppc": rspec.ArchPPC,
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"ppc64": rspec.ArchPPC64,
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"ppc64le": rspec.ArchPPC64LE,
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"s390": rspec.ArchS390,
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"s390x": rspec.ArchS390X,
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}
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a, ok := arches[arch]
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if !ok {
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return "", fmt.Errorf("unrecognized architecture: %s", arch)
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}
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return a, nil
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}
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