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Add a hidden validate-binary command that can be used to run SLSA validations against a given binary. This will be used for CI/CD tests in the automated releases

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This commit is contained in:
David Dworken 2023-11-03 18:18:29 -07:00
parent 6ed56ec9e2
commit c908a9a6dd
No known key found for this signature in database
1 changed files with 32 additions and 2 deletions
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34
client/cmd/update.go
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@ -29,6 +29,28 @@ var updateCmd = &cobra.Command{
},
}
var validateBinaryCmd = &cobra.Command{
Use: "validate-binary",
Hidden: true,
Short: "[Test Only] Validate the given binary for SLSA compliance",
Args: cobra.ExactArgs(3),
Run: func(cmd *cobra.Command, args []string) {
ctx := hctx.MakeContext()
version := args[0]
binaryPath := args[1]
attestationPath := args[2]
isMacOs, err := cmd.Flags().GetBool("is_macos")
lib.CheckFatalError(err)
if isMacOs {
macOsUnsignedBinaryPath, err := cmd.Flags().GetString("macos_unsigned_binary")
lib.CheckFatalError(err)
lib.CheckFatalError(verifyBinaryAgainstUnsignedBinaryForMac(ctx, binaryPath, macOsUnsignedBinaryPath, attestationPath, version))
} else {
lib.CheckFatalError(lib.VerifyBinary(ctx, binaryPath, attestationPath, version))
}
},
}
func GetDownloadData(ctx context.Context) (shared.UpdateInfo, error) {
respBody, err := lib.ApiGet(ctx, "/api/v1/download")
if err != nil {
@ -132,9 +154,14 @@ func verifyBinaryMac(ctx context.Context, binaryPath string, downloadData shared
return err
}
// Step 2, 3, and 4 in this function:
return verifyBinaryAgainstUnsignedBinaryForMac(ctx, binaryPath, unsignedBinaryPath, getTmpClientPath()+".intoto.jsonl", getPossiblyOverriddenVersion(downloadData))
}
func verifyBinaryAgainstUnsignedBinaryForMac(ctx context.Context, binaryPath, unsignedBinaryPath, attestationPath, version string) error {
// Step 2: Create the .nosig files that have no signatures whatsoever
noSigSuffix := ".nosig"
err = stripCodeSignature(binaryPath, binaryPath+noSigSuffix)
err := stripCodeSignature(binaryPath, binaryPath+noSigSuffix)
if err != nil {
return err
}
@ -150,7 +177,7 @@ func verifyBinaryMac(ctx context.Context, binaryPath string, downloadData shared
}
// Step 4: Use SLSA to verify the unsigned binary
return lib.VerifyBinary(ctx, unsignedBinaryPath, getTmpClientPath()+".intoto.jsonl", getPossiblyOverriddenVersion(downloadData))
return lib.VerifyBinary(ctx, unsignedBinaryPath, attestationPath, version)
}
func assertIdenticalBinaries(bin1Path, bin2Path string) error {
@ -288,4 +315,7 @@ func downloadFile(filename, url string) error {
func init() {
rootCmd.AddCommand(updateCmd)
rootCmd.AddCommand(validateBinaryCmd)
validateBinaryCmd.PersistentFlags().Bool("is_macos", false, "Whether the binary we are validating is for MacOS")
validateBinaryCmd.PersistentFlags().String("macos_unsigned_binary", "", "The path to the unsigned MacOS binary, if is_macos=true")
}