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authorEric W. Biederman <ebiederm@xmission.com>2012-02-10 11:35:50 -0800
committerEric W. Biederman <ebiederm@xmission.com>2012-09-21 03:13:12 -0700
commitba64e2b9e368fbe588ed5e3bb1494cc1dc4664a4 (patch)
tree0651712f5b75e584b52570ad6cb6bc26b0b9523c
parent16525e3f146fbba1ae43740c7d3895d4f396a768 (diff)
downloadlinux-ba64e2b9e368fbe588ed5e3bb1494cc1dc4664a4.tar.gz
userns: Convert isofs to use kuid/kgid where appropriate
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
-rw-r--r--fs/isofs/inode.c17
-rw-r--r--fs/isofs/isofs.h4
-rw-r--r--fs/isofs/rock.c4
-rw-r--r--init/Kconfig1
4 files changed, 15 insertions, 11 deletions
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 29037c365ba4..a7d8e6cc5e0c 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -21,6 +21,7 @@
 #include <linux/cdrom.h>
 #include <linux/parser.h>
 #include <linux/mpage.h>
+#include <linux/user_namespace.h>
 
 #include "isofs.h"
 #include "zisofs.h"
@@ -171,8 +172,8 @@ struct iso9660_options{
 	unsigned int blocksize;
 	umode_t fmode;
 	umode_t dmode;
-	gid_t gid;
-	uid_t uid;
+	kgid_t gid;
+	kuid_t uid;
 	char *iocharset;
 	/* LVE */
 	s32 session;
@@ -383,8 +384,8 @@ static int parse_options(char *options, struct iso9660_options *popt)
 	popt->fmode = popt->dmode = ISOFS_INVALID_MODE;
 	popt->uid_set = 0;
 	popt->gid_set = 0;
-	popt->gid = 0;
-	popt->uid = 0;
+	popt->gid = GLOBAL_ROOT_GID;
+	popt->uid = GLOBAL_ROOT_UID;
 	popt->iocharset = NULL;
 	popt->utf8 = 0;
 	popt->overriderockperm = 0;
@@ -460,13 +461,17 @@ static int parse_options(char *options, struct iso9660_options *popt)
 		case Opt_uid:
 			if (match_int(&args[0], &option))
 				return 0;
-			popt->uid = option;
+			popt->uid = make_kuid(current_user_ns(), option);
+			if (!uid_valid(popt->uid))
+				return 0;
 			popt->uid_set = 1;
 			break;
 		case Opt_gid:
 			if (match_int(&args[0], &option))
 				return 0;
-			popt->gid = option;
+			popt->gid = make_kgid(current_user_ns(), option);
+			if (!gid_valid(popt->gid))
+				return 0;
 			popt->gid_set = 1;
 			break;
 		case Opt_mode:
diff --git a/fs/isofs/isofs.h b/fs/isofs/isofs.h
index 3620ad1ea9bc..99167238518d 100644
--- a/fs/isofs/isofs.h
+++ b/fs/isofs/isofs.h
@@ -52,8 +52,8 @@ struct isofs_sb_info {
 
 	umode_t s_fmode;
 	umode_t s_dmode;
-	gid_t s_gid;
-	uid_t s_uid;
+	kgid_t s_gid;
+	kuid_t s_uid;
 	struct nls_table *s_nls_iocharset; /* Native language support table */
 };
 
diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c
index 70e79d0c756a..c0bf42472e40 100644
--- a/fs/isofs/rock.c
+++ b/fs/isofs/rock.c
@@ -364,8 +364,8 @@ repeat:
 		case SIG('P', 'X'):
 			inode->i_mode = isonum_733(rr->u.PX.mode);
 			set_nlink(inode, isonum_733(rr->u.PX.n_links));
-			inode->i_uid = isonum_733(rr->u.PX.uid);
-			inode->i_gid = isonum_733(rr->u.PX.gid);
+			i_uid_write(inode, isonum_733(rr->u.PX.uid));
+			i_gid_write(inode, isonum_733(rr->u.PX.gid));
 			break;
 		case SIG('P', 'N'):
 			{
diff --git a/init/Kconfig b/init/Kconfig
index 9cf8cb1f618b..88f6571d4dd4 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -944,7 +944,6 @@ config UIDGID_CONVERTED
 	depends on FUSE_FS = n
 	depends on GFS2_FS = n
 	depends on HPFS_FS = n
-	depends on ISO9660_FS = n
 	depends on JFFS2_FS = n
 	depends on JFS_FS = n
 	depends on LOGFS = n