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authorQi Wang <qiwan@redhat.com>2020-10-27 17:25:20 -0400
committerQi Wang <qiwan@redhat.com>2020-12-07 09:58:38 -0500
commitcf8f2342a1cdbd821fec217af75c2438c00a9b4d (patch)
treee446ee5ccd991e299d865b9e83e1fdeabf32e411 /pkg/domain/infra
parentdc5da90523f35146f5368a31be7edf39be13beb4 (diff)
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image sign using per user registries.d
Support per user ~/.config/containers/registries.d to allow rootless image sign configurations. Signed-off-by: Qi Wang <qiwan@redhat.com>
Diffstat (limited to 'pkg/domain/infra')
-rw-r--r--pkg/domain/infra/abi/images.go61
1 files changed, 17 insertions, 44 deletions
diff --git a/pkg/domain/infra/abi/images.go b/pkg/domain/infra/abi/images.go
index ff2f2e7ae..57a2bc4cf 100644
--- a/pkg/domain/infra/abi/images.go
+++ b/pkg/domain/infra/abi/images.go
@@ -26,7 +26,6 @@ import (
"github.com/containers/podman/v2/pkg/domain/entities"
domainUtils "github.com/containers/podman/v2/pkg/domain/utils"
"github.com/containers/podman/v2/pkg/rootless"
- "github.com/containers/podman/v2/pkg/trust"
"github.com/containers/podman/v2/pkg/util"
"github.com/containers/storage"
imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1"
@@ -34,9 +33,6 @@ import (
"github.com/sirupsen/logrus"
)
-// SignatureStoreDir defines default directory to store signatures
-const SignatureStoreDir = "/var/lib/containers/sigstore"
-
func (ir *ImageEngine) Exists(_ context.Context, nameOrID string) (*entities.BoolReport, error) {
_, err := ir.Libpod.ImageRuntime().NewFromLocal(nameOrID)
if err != nil {
@@ -707,12 +703,6 @@ func (ir *ImageEngine) Sign(ctx context.Context, names []string, options entitie
sc := ir.Libpod.SystemContext()
sc.DockerCertPath = options.CertDir
- systemRegistriesDirPath := trust.RegistriesDirPath(sc)
- registryConfigs, err := trust.LoadAndMergeConfig(systemRegistriesDirPath)
- if err != nil {
- return nil, errors.Wrapf(err, "error reading registry configuration")
- }
-
for _, signimage := range names {
err = func() error {
srcRef, err := alltransports.ParseImageName(signimage)
@@ -738,37 +728,25 @@ func (ir *ImageEngine) Sign(ctx context.Context, names []string, options entitie
}
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 sigStoreURI = registryInfo.SigStoreStaging; sigStoreURI == "" {
- sigStoreURI = registryInfo.SigStore
- }
- }
- if sigStoreURI == "" {
- return errors.Errorf("no signature storage configuration found for %s", rawSource.Reference().DockerReference().String())
-
- }
- sigStoreDir, err = localPathFromURI(sigStoreURI)
- if err != nil {
- return errors.Wrapf(err, "invalid signature storage %s", sigStoreURI)
- }
+ 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 errors.Errorf("Unexpected path elements in Docker reference %s for signature storage", dockerReference.String())
+ }
+ sigStoreDir = filepath.Join(options.Directory, repo)
+ } else {
+ signatureURL, err := docker.SignatureStorageBaseURL(sc, rawSource.Reference(), true)
+ if err != nil {
+ return err
+ }
+ sigStoreDir, err = localPathFromURI(signatureURL)
+ if err != nil {
+ return err
}
}
manifestDigest, err := manifest.Digest(getManifest)
if err != nil {
return err
}
- 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 errors.Errorf("Unexpected path elements in Docker reference %s for signature storage", dockerReference.String())
- }
// create signature
newSig, err := signature.SignDockerManifest(getManifest, dockerReference.String(), mech, options.SignBy)
@@ -776,7 +754,7 @@ func (ir *ImageEngine) Sign(ctx context.Context, names []string, options entitie
return errors.Wrapf(err, "error creating new signature")
}
// create the signstore file
- signatureDir := fmt.Sprintf("%s@%s=%s", filepath.Join(sigStoreDir, repo), manifestDigest.Algorithm(), manifestDigest.Hex())
+ signatureDir := fmt.Sprintf("%s@%s=%s", sigStoreDir, manifestDigest.Algorithm(), manifestDigest.Hex())
if err := os.MkdirAll(signatureDir, 0751); err != nil {
// The directory is allowed to exist
if !os.IsExist(err) {
@@ -822,14 +800,9 @@ func getSigFilename(sigStoreDirPath string) (string, error) {
}
}
-func localPathFromURI(sigStoreDir string) (string, error) {
- url, err := url.Parse(sigStoreDir)
- if err != nil {
- return sigStoreDir, errors.Wrapf(err, "invalid directory %s", sigStoreDir)
- }
+func localPathFromURI(url *url.URL) (string, error) {
if url.Scheme != "file" {
- return sigStoreDir, errors.Errorf("writing to %s is not supported. Use a supported scheme", sigStoreDir)
+ return "", errors.Errorf("writing to %s is not supported. Use a supported scheme", url.String())
}
- sigStoreDir = url.Path
- return sigStoreDir, nil
+ return url.Path, nil
}