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-rw-r--r--go.mod1
-rw-r--r--pkg/domain/infra/abi/images.go65
-rw-r--r--pkg/trust/trust.go4
-rw-r--r--test/e2e/image_sign_test.go62
-rw-r--r--test/e2e/sign/secret-key.asc57
5 files changed, 149 insertions, 40 deletions
diff --git a/go.mod b/go.mod
index 5c5808998..a7c63b9f4 100644
--- a/go.mod
+++ b/go.mod
@@ -62,7 +62,6 @@ require (
golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7
golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a
golang.org/x/sys v0.0.0-20200519105757-fe76b779f299
- gopkg.in/yaml.v2 v2.3.0
k8s.io/api v0.18.6
k8s.io/apimachinery v0.18.6
k8s.io/client-go v0.0.0-20190620085101-78d2af792bab
diff --git a/pkg/domain/infra/abi/images.go b/pkg/domain/infra/abi/images.go
index 05adc40fe..35675e1f3 100644
--- a/pkg/domain/infra/abi/images.go
+++ b/pkg/domain/infra/abi/images.go
@@ -7,6 +7,7 @@ import (
"io/ioutil"
"net/url"
"os"
+ "path"
"path/filepath"
"strconv"
"strings"
@@ -682,10 +683,6 @@ func (ir *ImageEngine) Shutdown(_ context.Context) {
}
func (ir *ImageEngine) Sign(ctx context.Context, names []string, options entities.SignOptions) (*entities.SignReport, error) {
- dockerRegistryOptions := image.DockerRegistryOptions{
- DockerCertPath: options.CertDir,
- }
-
mech, err := signature.NewGPGSigningMechanism()
if err != nil {
return nil, errors.Wrap(err, "error initializing GPG")
@@ -704,7 +701,6 @@ func (ir *ImageEngine) Sign(ctx context.Context, names []string, options entitie
}
for _, signimage := range names {
- var sigStoreDir string
srcRef, err := alltransports.ParseImageName(signimage)
if err != nil {
return nil, errors.Wrapf(err, "error parsing image name")
@@ -725,40 +721,38 @@ func (ir *ImageEngine) Sign(ctx context.Context, names []string, options entitie
if dockerReference == nil {
return nil, errors.Errorf("cannot determine canonical Docker reference for destination %s", transports.ImageName(rawSource.Reference()))
}
-
- // create the signstore file
- rtc, err := ir.Libpod.GetConfig()
- if err != nil {
- return nil, err
- }
- newImage, err := ir.Libpod.ImageRuntime().New(ctx, signimage, rtc.Engine.SignaturePolicyPath, "", os.Stderr, &dockerRegistryOptions, image.SigningOptions{SignBy: options.SignBy}, nil, util.PullImageMissing)
- if err != nil {
- return nil, errors.Wrapf(err, "error pulling image %s", signimage)
+ var sigStoreDir string
+ if options.Directory != "" {
+ sigStoreDir = options.Directory
}
if sigStoreDir == "" {
if rootless.IsRootless() {
sigStoreDir = filepath.Join(filepath.Dir(ir.Libpod.StorageConfig().GraphRoot), "sigstore")
} else {
+ var sigStoreURI string
registryInfo := trust.HaveMatchRegistry(rawSource.Reference().DockerReference().String(), registryConfigs)
if registryInfo != nil {
- if sigStoreDir = registryInfo.SigStoreStaging; sigStoreDir == "" {
- sigStoreDir = registryInfo.SigStore
-
+ if sigStoreURI = registryInfo.SigStoreStaging; sigStoreURI == "" {
+ sigStoreURI = registryInfo.SigStore
}
}
+ if sigStoreURI == "" {
+ return nil, errors.Errorf("no signature storage configuration found for %s", rawSource.Reference().DockerReference().String())
+
+ }
+ sigStoreDir, err = localPathFromURI(sigStoreURI)
+ if err != nil {
+ return nil, errors.Wrapf(err, "invalid signature storage %s", sigStoreURI)
+ }
}
}
- sigStoreDir, err = isValidSigStoreDir(sigStoreDir)
+ manifestDigest, err := manifest.Digest(getManifest)
if err != nil {
- return nil, errors.Wrapf(err, "invalid signature storage %s", sigStoreDir)
- }
- repos, err := newImage.RepoDigests()
- if err != nil {
- return nil, errors.Wrapf(err, "error calculating repo digests for %s", signimage)
+ return nil, err
}
- if len(repos) == 0 {
- logrus.Errorf("no repodigests associated with the image %s", signimage)
- continue
+ repo := reference.Path(dockerReference)
+ if path.Clean(repo) != repo { // Coverage: This should not be reachable because /./ and /../ components are not valid in docker references
+ return nil, errors.Errorf("Unexpected path elements in Docker reference %s for signature storage", dockerReference.String())
}
// create signature
@@ -766,22 +760,21 @@ func (ir *ImageEngine) Sign(ctx context.Context, names []string, options entitie
if err != nil {
return nil, errors.Wrapf(err, "error creating new signature")
}
-
- trimmedDigest := strings.TrimPrefix(repos[0], strings.Split(repos[0], "/")[0])
- sigStoreDir = filepath.Join(sigStoreDir, strings.Replace(trimmedDigest, ":", "=", 1))
- if err := os.MkdirAll(sigStoreDir, 0751); err != nil {
+ // create the signstore file
+ signatureDir := fmt.Sprintf("%s@%s=%s", filepath.Join(sigStoreDir, repo), manifestDigest.Algorithm(), manifestDigest.Hex())
+ if err := os.MkdirAll(signatureDir, 0751); err != nil {
// The directory is allowed to exist
if !os.IsExist(err) {
- logrus.Errorf("error creating directory %s: %s", sigStoreDir, err)
+ logrus.Errorf("error creating directory %s: %s", signatureDir, err)
continue
}
}
- sigFilename, err := getSigFilename(sigStoreDir)
+ sigFilename, err := getSigFilename(signatureDir)
if err != nil {
logrus.Errorf("error creating sigstore file: %v", err)
continue
}
- err = ioutil.WriteFile(filepath.Join(sigStoreDir, sigFilename), newSig, 0644)
+ err = ioutil.WriteFile(filepath.Join(signatureDir, sigFilename), newSig, 0644)
if err != nil {
logrus.Errorf("error storing signature for %s", rawSource.Reference().DockerReference().String())
continue
@@ -809,14 +802,12 @@ func getSigFilename(sigStoreDirPath string) (string, error) {
}
}
-func isValidSigStoreDir(sigStoreDir string) (string, error) {
- writeURIs := map[string]bool{"file": true}
+func localPathFromURI(sigStoreDir string) (string, error) {
url, err := url.Parse(sigStoreDir)
if err != nil {
return sigStoreDir, errors.Wrapf(err, "invalid directory %s", sigStoreDir)
}
- _, exists := writeURIs[url.Scheme]
- if !exists {
+ if url.Scheme != "file" {
return sigStoreDir, errors.Errorf("writing to %s is not supported. Use a supported scheme", sigStoreDir)
}
sigStoreDir = url.Path
diff --git a/pkg/trust/trust.go b/pkg/trust/trust.go
index 60de099fa..2348bc410 100644
--- a/pkg/trust/trust.go
+++ b/pkg/trust/trust.go
@@ -12,9 +12,9 @@ import (
"strings"
"github.com/containers/image/v5/types"
+ "github.com/ghodss/yaml"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
- "gopkg.in/yaml.v2"
)
// PolicyContent struct for policy.json file
@@ -157,7 +157,7 @@ func HaveMatchRegistry(key string, registryConfigs *RegistryConfiguration) *Regi
searchKey = searchKey[:strings.LastIndex(searchKey, "/")]
}
}
- return nil
+ return registryConfigs.DefaultDocker
}
// CreateTmpFile creates a temp file under dir and writes the content into it
diff --git a/test/e2e/image_sign_test.go b/test/e2e/image_sign_test.go
new file mode 100644
index 000000000..c54cf433d
--- /dev/null
+++ b/test/e2e/image_sign_test.go
@@ -0,0 +1,62 @@
+// +build !remote
+
+package integration
+
+import (
+ "os"
+ "os/exec"
+ "path/filepath"
+
+ . "github.com/containers/podman/v2/test/utils"
+ . "github.com/onsi/ginkgo"
+ . "github.com/onsi/gomega"
+)
+
+var _ = Describe("Podman image sign", func() {
+ var (
+ origGNUPGHOME string
+ tempdir string
+ err error
+ podmanTest *PodmanTestIntegration
+ )
+
+ BeforeEach(func() {
+ tempdir, err = CreateTempDirInTempDir()
+ if err != nil {
+ os.Exit(1)
+ }
+ podmanTest = PodmanTestCreate(tempdir)
+ podmanTest.Setup()
+ podmanTest.SeedImages()
+
+ tempGNUPGHOME := filepath.Join(podmanTest.TempDir, "tmpGPG")
+ err := os.Mkdir(tempGNUPGHOME, os.ModePerm)
+ Expect(err).To(BeNil())
+
+ origGNUPGHOME = os.Getenv("GNUPGHOME")
+ err = os.Setenv("GNUPGHOME", tempGNUPGHOME)
+ Expect(err).To(BeNil())
+
+ })
+
+ AfterEach(func() {
+ podmanTest.Cleanup()
+ f := CurrentGinkgoTestDescription()
+ processTestResult(f)
+ os.Setenv("GNUPGHOME", origGNUPGHOME)
+ })
+
+ It("podman sign image", func() {
+ cmd := exec.Command("gpg", "--import", "sign/secret-key.asc")
+ err := cmd.Run()
+ Expect(err).To(BeNil())
+ sigDir := filepath.Join(podmanTest.TempDir, "test-sign")
+ err = os.MkdirAll(sigDir, os.ModePerm)
+ Expect(err).To(BeNil())
+ session := podmanTest.Podman([]string{"image", "sign", "--directory", sigDir, "--sign-by", "foo@bar.com", "docker://library/alpine"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+ _, err = os.Stat(filepath.Join(sigDir, "library"))
+ Expect(err).To(BeNil())
+ })
+})
diff --git a/test/e2e/sign/secret-key.asc b/test/e2e/sign/secret-key.asc
new file mode 100644
index 000000000..23c0d05c3
--- /dev/null
+++ b/test/e2e/sign/secret-key.asc
@@ -0,0 +1,57 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+
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+=6kcB
+-----END PGP PRIVATE KEY BLOCK-----
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-15 18:29:36 +0000