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From: "Eric W. Biederman" <ebiederm@xmission.com>
To: <linux-fsdevel@vger.kernel.org>
Cc: Linux Containers <containers@lists.linux-foundation.org>,
	<linux-kernel@vger.kernel.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Steve French <smfrench@gmail.com>
Subject: [PATCH review 83/85] cifs: Convert struct cifs_sb_info to use kuids and kgids
Date: Wed, 13 Feb 2013 09:52:12 -0800	[thread overview]
Message-ID: <1360777934-5663-83-git-send-email-ebiederm@xmission.com> (raw)
In-Reply-To: <1360777934-5663-1-git-send-email-ebiederm@xmission.com>

From: "Eric W. Biederman" <ebiederm@xmission.com>

Cc: Steve French <smfrench@gmail.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
 fs/cifs/cifs_fs_sb.h |    8 ++++----
 fs/cifs/cifsfs.c     |   14 ++++++++++----
 fs/cifs/connect.c    |    2 +-
 fs/cifs/misc.c       |    2 +-
 4 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/fs/cifs/cifs_fs_sb.h b/fs/cifs/cifs_fs_sb.h
index c865bfd..37e4a72 100644
--- a/fs/cifs/cifs_fs_sb.h
+++ b/fs/cifs/cifs_fs_sb.h
@@ -55,10 +55,10 @@ struct cifs_sb_info {
 	unsigned int wsize;
 	unsigned long actimeo; /* attribute cache timeout (jiffies) */
 	atomic_t active;
-	uid_t	mnt_uid;
-	gid_t	mnt_gid;
-	uid_t	mnt_backupuid;
-	gid_t	mnt_backupgid;
+	kuid_t	mnt_uid;
+	kgid_t	mnt_gid;
+	kuid_t	mnt_backupuid;
+	kgid_t	mnt_backupgid;
 	umode_t	mnt_file_mode;
 	umode_t	mnt_dir_mode;
 	unsigned int mnt_cifs_flags;
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index f653835..1759073 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -376,13 +376,15 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
 				   (int)(srcaddr->sa_family));
 	}
 
-	seq_printf(s, ",uid=%u", cifs_sb->mnt_uid);
+	seq_printf(s, ",uid=%u",
+		   from_kuid_munged(&init_user_ns, cifs_sb->mnt_uid));
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID)
 		seq_printf(s, ",forceuid");
 	else
 		seq_printf(s, ",noforceuid");
 
-	seq_printf(s, ",gid=%u", cifs_sb->mnt_gid);
+	seq_printf(s, ",gid=%u",
+		   from_kgid_munged(&init_user_ns, cifs_sb->mnt_gid));
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID)
 		seq_printf(s, ",forcegid");
 	else
@@ -437,9 +439,13 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM)
 		seq_printf(s, ",noperm");
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPUID)
-		seq_printf(s, ",backupuid=%u", cifs_sb->mnt_backupuid);
+		seq_printf(s, ",backupuid=%u",
+			   from_kuid_munged(&init_user_ns,
+					    cifs_sb->mnt_backupuid));
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPGID)
-		seq_printf(s, ",backupgid=%u", cifs_sb->mnt_backupgid);
+		seq_printf(s, ",backupgid=%u",
+			   from_kgid_munged(&init_user_ns,
+					    cifs_sb->mnt_backupgid));
 
 	seq_printf(s, ",rsize=%u", cifs_sb->rsize);
 	seq_printf(s, ",wsize=%u", cifs_sb->wsize);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 9bd13a7..01279b8 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2743,7 +2743,7 @@ compare_mount_options(struct super_block *sb, struct cifs_mnt_data *mnt_data)
 	if (new->rsize && new->rsize < old->rsize)
 		return 0;
 
-	if (old->mnt_uid != new->mnt_uid || old->mnt_gid != new->mnt_gid)
+	if (!uid_eq(old->mnt_uid, new->mnt_uid) || !gid_eq(old->mnt_gid, new->mnt_gid))
 		return 0;
 
 	if (old->mnt_file_mode != new->mnt_file_mode ||
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 3a00c0d..1b15bf8 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -569,7 +569,7 @@ bool
 backup_cred(struct cifs_sb_info *cifs_sb)
 {
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPUID) {
-		if (cifs_sb->mnt_backupuid == current_fsuid())
+		if (uid_eq(cifs_sb->mnt_backupuid, current_fsuid()))
 			return true;
 	}
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPGID) {
-- 
1.7.5.4


  parent reply	other threads:[~2013-02-13 18:03 UTC|newest]

Thread overview: 109+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <87621w14vs.fsf@xmission.com>
2013-02-13 17:50 ` [PATCH review 01/85] ceph: Only allow mounts in the initial network namespace Eric W. Biederman
2013-02-13 17:50   ` [PATCH review 02/85] ceph: Translate between uid and gids in cap messages and kuids and kgids Eric W. Biederman
2013-02-13 17:50   ` [PATCH review 03/85] ceph: Translate inode uid and gid attributes to/from " Eric W. Biederman
2013-02-13 17:50   ` [PATCH review 04/85] ceph: Convert struct ceph_mds_request to use kuid_t and kgid_t Eric W. Biederman
2013-02-13 17:50   ` [PATCH review 05/85] ceph: Convert kuids and kgids before printing them Eric W. Biederman
2013-02-13 17:50   ` [PATCH review 06/85] ceph: Enable building when user namespaces are enabled Eric W. Biederman
2013-02-13 17:50   ` [PATCH review 07/85] 9p: Add 'u' and 'g' format specifies for kuids and kgids Eric W. Biederman
2013-02-13 17:50   ` [PATCH review 08/85] 9p: Transmit kuid and kgid values Eric W. Biederman
2013-02-13 17:50   ` [PATCH review 09/85] 9p: Modify the stat structures to use kuid_t and kgid_t Eric W. Biederman
2013-02-13 17:50   ` [PATCH review 10/85] 9p: Modify struct 9p_fid to use a kuid_t not a uid_t Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 11/85] 9p: Modify struct v9fs_session_info to use a kuids and kgids Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 12/85] 9p: Modify v9fs_get_fsgid_for_create to return a kgid Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 13/85] 9p: Allow building 9p with user namespaces enabled Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 14/85] afs: Remove unused structure afs_store_status Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 15/85] afs: Only allow mounting afs in the intial network namespace Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 16/85] afs: Support interacting with multiple user namespaces Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 17/85] coda: Restrict coda messages to the initial pid namespace Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 18/85] coda: Restrict coda messages to the initial user namespace Eric W. Biederman
2013-02-13 18:14     ` Jan Harkes
2013-02-13 18:44       ` Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 19/85] coda: Cache permisions in struct coda_inode_info in a kuid_t Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 20/85] coda: Allow coda to be built when user namespace support is enabled Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 21/85] ocfs2: Handle kuids and kgids in acl/xattr conversions Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 22/85] ocfs2: convert between kuids and kgids and DLM locks Eric W. Biederman
2013-02-14  8:34     ` Joel Becker
2013-02-13 17:51   ` [PATCH review 23/85] ocfs2: Convert uid and gids between in core and on disk inodes Eric W. Biederman
2013-02-14  8:35     ` Joel Becker
2013-02-14  9:10       ` Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 24/85] ocfs2: For tracing report the uid and gid values in the initial user namespace Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 25/85] ocfs2: Compare kuids and kgids using uid_eq and gid_eq Eric W. Biederman
2013-02-14  8:37     ` Joel Becker
2013-02-13 17:51   ` [PATCH review 26/85] ocfs2: Enable building with user namespaces enabled Eric W. Biederman
2013-02-14  8:38     ` Joel Becker
2013-02-13 17:51   ` [PATCH review 27/85] gfs2: Remove improper checks in gfs2_set_dqblk Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 28/85] gfs2: Split NO_QUOTA_CHANGE inot NO_UID_QUTOA_CHANGE and NO_GID_QUTOA_CHANGE Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 29/85] gfs2: Report quotas in the caller's user namespace Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 30/85] gfs2: Introduce qd2index Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 31/85] gfs2: Modify struct gfs2_quota_change_host to use struct kqid Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 32/85] gfs2: Modify qdsb_get to take a " Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 33/85] gfs2: Convert gfs2_quota_refresh to take a kqid Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 34/85] gfs2: Store qd_id in struct gfs2_quota_data as a struct kqid Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 35/85] gfs2: Remove the QUOTA_USER and QUOTA_GROUP defines Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 36/85] gfs2: Use kuid_t and kgid_t types where appropriate Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 37/85] gfs2: Use uid_eq and gid_eq " Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 38/85] gfs2: Convert uids and gids between dinodes and vfs inodes Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 39/85] gfs2: Enable building with user namespaces enabled Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 40/85] ncpfs: Support interacting with multiple user namespaces Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 41/85] nfs_common: Update the translation between nfsv3 acls linux posix acls Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 42/85] sunrpc: Use userns friendly constants Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 43/85] sunrpc: Use kuid_t and kgid_t where appropriate Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 44/85] sunrpc: Use uid_eq and gid_eq " Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 45/85] sunrpc: Simplify auth_unix now that everything is a kgid_t Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 46/85] sunrpc: Convert kuids and kgids to uids and gids for printing Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 47/85] sunrpc: Use gid_valid to test for gid != INVALID_GID Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 48/85] sunrpc: Update gss uid to security context mapping Eric W. Biederman
2013-02-13 20:35     ` J. Bruce Fields
2013-02-13 21:17       ` Eric W. Biederman
2013-02-13 21:24         ` J. Bruce Fields
2013-02-13 17:51   ` [PATCH review 49/85] sunrpc: Update svcgss xdr handle to rpsec_contect cache Eric W. Biederman
2013-03-04 14:12     ` J. Bruce Fields
2013-03-04 17:11       ` Eric W. Biederman
2013-03-05 23:10         ` J. Bruce Fields
2013-03-05 23:43           ` Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 50/85] sunrpc: Hash uids by first computing their value in the initial userns Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 51/85] sunrpc: Properly encode kuids and kgids in RPC_AUTH_UNIX credentials Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 52/85] sunrpc: Properly encode kuids and kgids in auth.unix.gid rpc pipe upcalls Eric W. Biederman
2013-02-13 21:05     ` J. Bruce Fields
2013-02-13 21:29       ` Eric W. Biederman
2013-02-13 21:50         ` J. Bruce Fields
2013-02-13 22:32           ` Eric W. Biederman
2013-02-13 22:58             ` J. Bruce Fields
2013-02-13 23:22               ` Eric W. Biederman
2013-02-14  7:12                 ` Stanislav Kinsbursky
2013-02-14  8:42                   ` Eric W. Biederman
2013-02-15 17:00                 ` J. Bruce Fields
2013-02-15 18:47                   ` Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 53/85] sunrpc: Properly decode kuids and kgids in RPC_AUTH_UNIX credentials Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 54/85] nfs: Pass GLOBAL_ROOT_UID and GLOBAL_ROOT_GID to keyring alloc Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 55/85] nfs: Convert struct nfs_fattr to Use kuid_t and kgid_t Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 56/85] nfs: Convert idmap to use kuids and kgids Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 57/85] nfs: Convert nfs2xdr " Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 58/85] nfs: Convert nfs3xdr " Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 59/85] nfs: Convert nfs4xdr " Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 60/85] nfs: kuid and kgid conversions for nfs/inode.c Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 61/85] nfs: Enable building with user namespaces enabled Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 62/85] nfsd: Remove declaration of nonexistent nfs4_acl_permisison Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 63/85] nfsd: idmap use u32 not uid_t as the intermediate type Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 64/85] nfsd: Convert idmap to use kuids and kgids Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 65/85] nfsd: Remove nfsd_luid, nfsd_lgid, nfsd_ruid and nfsd_rgid Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 66/85] nfsd: Convert nfs3xdr to use kuids and kgids Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 67/85] nfsd: Convert nfsxdr " Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 68/85] nfsd: Handle kuids and kgids in the nfs4acl to posix_acl conversion Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 69/85] nfsd: Modify nfsd4_cb_sec to use kuids and kgids Eric W. Biederman
2013-02-13 17:51   ` [PATCH review 70/85] nfsd: Store ex_anon_uid and ex_anon_gid as " Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 71/85] nfsd: Properly compare and initialize " Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 72/85] nfsd: Enable building with user namespaces enabled Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 73/85] cifs: Override unmappable incoming uids and gids Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 74/85] cifs: Use BUILD_BUG_ON to validate uids and gids are the same size Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 75/85] cifs: Pass GLOBAL_ROOT_UID and GLOBAL_ROOT_GID to keyring_alloc Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 76/85] cifs: Use kuids and kgids SID to uid/gid mapping Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 77/85] cifs: Convert from a kuid before printing current_fsuid Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 78/85] cifs: Modify struct cifs_unix_set_info_args to hold a kuid_t and a kgid_t Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 79/85] cifs: Convert struct tcon_link to use a kuid Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 80/85] cifs: Convert struct cifs_fattr to use kuid and kgids Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 81/85] cifs: Convert struct cifsFileInfo to use a kuid Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 82/85] cifs: Modify struct smb_vol to use kuids and kgids Eric W. Biederman
2013-02-13 17:52   ` Eric W. Biederman [this message]
2013-02-13 17:52   ` [PATCH review 84/85] cifs: Convert struct cifs_ses to use a kuid_t and a kgid_t Eric W. Biederman
2013-02-13 17:52   ` [PATCH review 85/85] cifs: Enable building with user namespaces enabled Eric W. Biederman

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