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|
package seccomp
import (
"fmt"
rspec "github.com/opencontainers/runtime-spec/specs-go"
)
// ParseArchitectureFlag takes the raw string passed with the --arch flag, parses it
// and updates the Seccomp config accordingly
func ParseArchitectureFlag(architectureArg string, config *rspec.LinuxSeccomp) error {
correctedArch, err := parseArch(architectureArg)
if err != nil {
return err
}
shouldAppend := true
for _, alreadySpecified := range config.Architectures {
if correctedArch == alreadySpecified {
shouldAppend = false
}
}
if shouldAppend {
config.Architectures = append(config.Architectures, correctedArch)
}
return nil
}
func parseArch(arch string) (rspec.Arch, error) {
arches := map[string]rspec.Arch{
"x86": rspec.ArchX86,
"amd64": rspec.ArchX86_64,
"x32": rspec.ArchX32,
"arm": rspec.ArchARM,
"arm64": rspec.ArchAARCH64,
"mips": rspec.ArchMIPS,
"mips64": rspec.ArchMIPS64,
"mips64n32": rspec.ArchMIPS64N32,
"mipsel": rspec.ArchMIPSEL,
"mipsel64": rspec.ArchMIPSEL64,
"mipsel64n32": rspec.ArchMIPSEL64N32,
"parisc": rspec.ArchPARISC,
"parisc64": rspec.ArchPARISC64,
"ppc": rspec.ArchPPC,
"ppc64": rspec.ArchPPC64,
"ppc64le": rspec.ArchPPC64LE,
"s390": rspec.ArchS390,
"s390x": rspec.ArchS390X,
}
a, ok := arches[arch]
if !ok {
return "", fmt.Errorf("unrecognized architecture: %s", arch)
}
return a, nil
}
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