File secrets-0001-daemon-allow-directory-creation-in... of Package docker

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File secrets-0001-daemon-allow-directory-creation-in-run-secrets.patch of Package docker (Revision 9c8e82f5e9fd06822c4cd7eb0119f03c)

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From 4de0a0a9689c4063d369d54ecc16952241c7f241 Mon Sep 17 00:00:00 2001
From: Aleksa Sarai <asarai@suse.de>
Date: Wed, 8 Mar 2017 12:41:54 +1100
Subject: [PATCH 1/2] daemon: allow directory creation in /run/secrets

Since FileMode can have the directory bit set, allow a SecretStore
implementation to return secrets that are actually directories. This is
useful for creating directories and subdirectories of secrets.

Backport: https://github.com/docker/docker/pull/31632
Signed-off-by: Antonio Murdaca <runcom@redhat.com>
Signed-off-by: Aleksa Sarai <asarai@suse.de>
---
 daemon/container_operations_unix.go | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/daemon/container_operations_unix.go b/daemon/container_operations_unix.go
index 67b3ee38c0ab..a538ba4e73e8 100644
--- a/daemon/container_operations_unix.go
+++ b/daemon/container_operations_unix.go
@@ -178,11 +178,6 @@ func (daemon *Daemon) setupSecretDir(c *container.Container) (setupErr error) {
 		}
 
 		targetPath := filepath.Clean(s.File.Name)
-		// ensure that the target is a filename only; no paths allowed
-		if targetPath != filepath.Base(targetPath) {
-			return fmt.Errorf("error creating secret: secret must not be a path")
-		}
-
 		fPath := filepath.Join(localMountPath, targetPath)
 		if err := idtools.MkdirAllAs(filepath.Dir(fPath), 0700, rootUID, rootGID); err != nil {
 			return errors.Wrap(err, "error creating secret mount path")
@@ -196,9 +191,6 @@ func (daemon *Daemon) setupSecretDir(c *container.Container) (setupErr error) {
 		if secret == nil {
 			return fmt.Errorf("unable to get secret from secret store")
 		}
-		if err := ioutil.WriteFile(fPath, secret.Spec.Data, s.File.Mode); err != nil {
-			return errors.Wrap(err, "error injecting secret")
-		}
 
 		uid, err := strconv.Atoi(s.File.UID)
 		if err != nil {
@@ -208,7 +200,15 @@ func (daemon *Daemon) setupSecretDir(c *container.Container) (setupErr error) {
 		if err != nil {
 			return err
 		}
-
+		if s.File.Mode.IsDir() {
+			if err := idtools.MkdirAllAs(fPath, s.File.Mode, rootUID+uid, rootGID+gid); err != nil {
+				return errors.Wrap(err, "error injecting secret dir")
+			}
+		} else {
+			if err := ioutil.WriteFile(fPath, secret.Spec.Data, s.File.Mode); err != nil {
+				return errors.Wrap(err, "error injecting secret")
+			}
+		}
 		if err := os.Chown(fPath, rootUID+uid, rootGID+gid); err != nil {
 			return errors.Wrap(err, "error setting ownership for secret")
 		}
-- 
2.13.0

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File secrets-0001-daemon-allow-directory-creation-in-run-secrets.patch of Package docker (Revision 9c8e82f5e9fd06822c4cd7eb0119f03c)

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