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Export signature method

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Signed-off-by: Itxaka <itxaka@kairos.io>
This commit is contained in:
Itxaka 2024-06-04 14:41:26 +02:00
parent 894416b953
commit 1cb58b5408
2 changed files with 10 additions and 10 deletions
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4
signatures/signatures.go
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@ -148,9 +148,9 @@ func isValidSignature(sign util.EFIGUID) bool {
return sign == signature.CERT_X509_GUID
}
// checkArtifactSignatureIsValid checks that a given efi artifact is signed properly with a signature that would allow it to
// CheckArtifactSignatureIsValid checks that a given efi artifact is signed properly with a signature that would allow it to
// boot correctly in the current node if secureboot is enabled
func checkArtifactSignatureIsValid(fs types.KairosFS, artifact string, logger types.KairosLogger) error {
func CheckArtifactSignatureIsValid(fs types.KairosFS, artifact string, logger types.KairosLogger) error {
var err error
logger.Logger.Info().Str("what", artifact).Msg("Checking artifact for valid signature")
info, err := fs.Stat(artifact)

16
signatures/signatures_test.go
View File

@ -66,7 +66,7 @@ var _ = Describe("Uki utils", Label("uki", "utils"), func() {
cleanup()
})
It("Fails if it cant find the file to check", func() {
err := checkArtifactSignatureIsValid(fs, "/notexists.efi", logger)
err := CheckArtifactSignatureIsValid(fs, "/notexists.efi", logger)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("does not exist"))
})
@ -75,7 +75,7 @@ var _ = Describe("Uki utils", Label("uki", "utils"), func() {
// File needs to not be empty for the parser to try to parse it
err := fs.WriteFile("/nonefi.file", []byte(""), os.ModePerm)
Expect(err).ToNot(HaveOccurred())
err = checkArtifactSignatureIsValid(fs, "/nonefi.file", logger)
err = CheckArtifactSignatureIsValid(fs, "/nonefi.file", logger)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("has zero size"))
})
@ -84,7 +84,7 @@ var _ = Describe("Uki utils", Label("uki", "utils"), func() {
// File needs to not be empty for the parser to try to parse it
err := fs.WriteFile("/nonefi.file", []byte("asdkljhfjklahsdfjk,hbasdfjkhas"), os.ModePerm)
Expect(err).ToNot(HaveOccurred())
err = checkArtifactSignatureIsValid(fs, "/nonefi.file", logger)
err = CheckArtifactSignatureIsValid(fs, "/nonefi.file", logger)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("not a PE file"))
})
@ -95,7 +95,7 @@ var _ = Describe("Uki utils", Label("uki", "utils"), func() {
Expect(err).ToNot(HaveOccurred())
err = fs.WriteFile(filepath.Join("/sys/firmware/efi/efivars", dbFile), file, os.ModePerm)
Expect(err).ToNot(HaveOccurred())
err = checkArtifactSignatureIsValid(fs, "/efitest.efi", logger)
err = CheckArtifactSignatureIsValid(fs, "/efitest.efi", logger)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("no signatures in the file"))
})
@ -106,7 +106,7 @@ var _ = Describe("Uki utils", Label("uki", "utils"), func() {
Expect(err).ToNot(HaveOccurred())
err = fs.WriteFile(filepath.Join("/sys/firmware/efi/efivars", dbFile), file, os.ModePerm)
Expect(err).ToNot(HaveOccurred())
err = checkArtifactSignatureIsValid(fs, "/efitest.signed.efi", logger)
err = CheckArtifactSignatureIsValid(fs, "/efitest.signed.efi", logger)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("could not find a signature in EFIVars DB that matches the artifact"))
})
@ -117,7 +117,7 @@ var _ = Describe("Uki utils", Label("uki", "utils"), func() {
Expect(err).ToNot(HaveOccurred())
err = fs.WriteFile(filepath.Join("/sys/firmware/efi/efivars", dbFile), file, os.ModePerm)
Expect(err).ToNot(HaveOccurred())
err = checkArtifactSignatureIsValid(fs, "/efitest.signed.efi", logger)
err = CheckArtifactSignatureIsValid(fs, "/efitest.signed.efi", logger)
Expect(err).ToNot(HaveOccurred())
})
@ -132,7 +132,7 @@ var _ = Describe("Uki utils", Label("uki", "utils"), func() {
Expect(err).ToNot(HaveOccurred())
err = fs.WriteFile(filepath.Join("/sys/firmware/efi/efivars", dbxFile), file, os.ModePerm)
Expect(err).ToNot(HaveOccurred())
err = checkArtifactSignatureIsValid(fs, "/efitest.signed.efi", logger)
err = CheckArtifactSignatureIsValid(fs, "/efitest.signed.efi", logger)
Expect(err).ToNot(HaveOccurred())
})
@ -147,7 +147,7 @@ var _ = Describe("Uki utils", Label("uki", "utils"), func() {
Expect(err).ToNot(HaveOccurred())
err = fs.WriteFile(filepath.Join("/sys/firmware/efi/efivars", dbxFile), file, os.ModePerm)
Expect(err).ToNot(HaveOccurred())
err = checkArtifactSignatureIsValid(fs, "/efitest.signed.efi", logger)
err = CheckArtifactSignatureIsValid(fs, "/efitest.signed.efi", logger)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("hash appears on DBX"))
})