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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 /fs/isofs
parent16525e3f146fbba1ae43740c7d3895d4f396a768 (diff)
downloadlinaro-lsk-ba64e2b9e368fbe588ed5e3bb1494cc1dc4664a4.tar.gz
userns: Convert isofs to use kuid/kgid where appropriate
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'fs/isofs')
-rw-r--r--fs/isofs/inode.c17
-rw-r--r--fs/isofs/isofs.h4
-rw-r--r--fs/isofs/rock.c4
3 files changed, 15 insertions, 10 deletions
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 29037c365ba..a7d8e6cc5e0 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 3620ad1ea9b..99167238518 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 70e79d0c756..c0bf42472e4 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'):
{