compat handlers: add X-Registry-Auth header support

 * Support the `X-Registry-Auth` http-request header.

 * The content of the header is a base64 encoded JSON payload which can
   either be a single auth config or a map of auth configs (user+pw or
   token) with the corresponding registries being the keys.  Vanilla
   Docker, projectatomic Docker and the bindings are transparantly
   supported.

 * Add a hidden `--registries-conf` flag.  Buildah exposes the same
   flag, mostly for testing purposes.

 * Do all credential parsing in the client (i.e., `cmd/podman`) pass
   the username and password in the backend instead of unparsed
   credentials.

 * Add a `pkg/auth` which handles most of the heavy lifting.

 * Go through the authentication-handling code of most commands, bindings
   and endpoints.  Migrate them to the new code and fix issues as seen.
   A final evaluation and more tests is still required *after* this
   change.

 * The manifest-push endpoint is missing certain parameters and should
   use the ABI function instead.  Adding auth-support isn't really
   possible without these parts working.

 * The container commands and endpoints (i.e., create and run) have not
   been changed yet.  The APIs don't yet account for the authfile.

 * Add authentication tests to `pkg/bindings`.

Fixes: #6384
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

1 files changed, 19 insertions, 2 deletions

diff --git a/pkg/domain/infra/abi/manifest.go b/pkg/domain/infra/abi/manifest.go
index fca34dda2..6e311dec7 100644
--- a/pkg/domain/infra/abi/manifest.go
+++ b/pkg/domain/infra/abi/manifest.go
@@ -16,6 +16,7 @@ import (
 	"github.com/containers/image/v5/docker"
 	"github.com/containers/image/v5/manifest"
 	"github.com/containers/image/v5/transports/alltransports"
+	"github.com/containers/image/v5/types"
 	libpodImage "github.com/containers/libpod/libpod/image"
 	"github.com/containers/libpod/pkg/domain/entities"
 	"github.com/containers/libpod/pkg/util"
@@ -179,12 +180,28 @@ func (ir *ImageEngine) ManifestPush(ctx context.Context, names []string, opts en
 		case "v2s2", "docker":
 			manifestType = manifest.DockerV2Schema2MediaType
 		default:
-			return errors.Errorf("unknown format %q. Choose on of the supported formats: 'oci' or 'v2s2'", opts.Format)
+			return errors.Errorf("unknown format %q. Choose one of the supported formats: 'oci' or 'v2s2'", opts.Format)
 		}
 	}
+
+	// Set the system context.
+	sys := ir.Libpod.SystemContext()
+	if sys != nil {
+		sys = &types.SystemContext{}
+	}
+	sys.AuthFilePath = opts.Authfile
+	sys.DockerInsecureSkipTLSVerify = opts.SkipTLSVerify
+
+	if opts.Username != "" && opts.Password != "" {
+		sys.DockerAuthConfig = &types.DockerAuthConfig{
+			Username: opts.Username,
+			Password: opts.Password,
+		}
+	}
+
 	options := manifests.PushOptions{
 		Store:              ir.Libpod.GetStore(),
-		SystemContext:      ir.Libpod.SystemContext(),
+		SystemContext:      sys,
 		ImageListSelection: cp.CopySpecificImages,
 		Instances:          nil,
 		RemoveSignatures:   opts.RemoveSignatures,