From: "Eric W. Biederman" <ebied...@xmission.com>
Acked-by: Serge Hallyn <serge.hal...@canonical.com>
Signed-off-by: Eric W. Biederman <ebied...@xmission.com>
---
fs/hfs/hfs_fs.h | 4 ++--
fs/hfs/inode.c | 4 ++--
fs/hfs/super.c | 16 +++++++++++++---
init/Kconfig | 1 -
4 files changed, 17 insertions(+), 8 deletions(-)
diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h
index 8275175..693df9f 100644
--- a/fs/hfs/hfs_fs.h
+++ b/fs/hfs/hfs_fs.h
@@ -134,8 +134,8 @@ struct hfs_sb_info {
permissions on all files */
umode_t s_dir_umask; /* The umask applied to the
permissions on all dirs */
- uid_t s_uid; /* The uid of all files */
- gid_t s_gid; /* The gid of all files */
+ kuid_t s_uid; /* The uid of all files */
+ kgid_t s_gid; /* The gid of all files */
int session, part;
struct nls_table *nls_io, *nls_disk;
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index ee1bc55..5d5c22d 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -594,9 +594,9 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr *
attr)
/* no uig/gid changes and limit which mode bits can be set */
if (((attr->ia_valid & ATTR_UID) &&
- (attr->ia_uid != hsb->s_uid)) ||
+ (!uid_eq(attr->ia_uid, hsb->s_uid))) ||
((attr->ia_valid & ATTR_GID) &&
- (attr->ia_gid != hsb->s_gid)) ||
+ (!gid_eq(attr->ia_gid, hsb->s_gid))) ||
((attr->ia_valid & ATTR_MODE) &&
((S_ISDIR(inode->i_mode) &&
(attr->ia_mode != inode->i_mode)) ||
diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index 4eb873e..0b63d13 100644
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -138,7 +138,9 @@ static int hfs_show_options(struct seq_file *seq, struct
dentry *root)
seq_printf(seq, ",creator=%.4s", (char *)&sbi->s_creator);
if (sbi->s_type != cpu_to_be32(0x3f3f3f3f))
seq_printf(seq, ",type=%.4s", (char *)&sbi->s_type);
- seq_printf(seq, ",uid=%u,gid=%u", sbi->s_uid, sbi->s_gid);
+ seq_printf(seq, ",uid=%u,gid=%u",
+ from_kuid_munged(&init_user_ns, sbi->s_uid),
+ from_kgid_munged(&init_user_ns, sbi->s_gid));
if (sbi->s_file_umask != 0133)
seq_printf(seq, ",file_umask=%o", sbi->s_file_umask);
if (sbi->s_dir_umask != 0022)
@@ -254,14 +256,22 @@ static int parse_options(char *options, struct
hfs_sb_info *hsb)
printk(KERN_ERR "hfs: uid requires an
argument\n");
return 0;
}
- hsb->s_uid = (uid_t)tmp;
+ hsb->s_uid = make_kuid(current_user_ns(), (uid_t)tmp);
+ if (!uid_valid(hsb->s_uid)) {
+ printk(KERN_ERR "hfs: invalid uid %d\n", tmp);
+ return 0;
+ }
break;
case opt_gid:
if (match_int(&args[0], &tmp)) {
printk(KERN_ERR "hfs: gid requires an
argument\n");
return 0;
}
- hsb->s_gid = (gid_t)tmp;
+ hsb->s_gid = make_kgid(current_user_ns(), (gid_t)tmp);
+ if (!gid_valid(hsb->s_gid)) {
+ printk(KERN_ERR "hfs: invalid gid %d\n", tmp);
+ return 0;
+ }
break;
case opt_umask:
if (match_octal(&args[0], &tmp)) {
diff --git a/init/Kconfig b/init/Kconfig
index 39e55d6..6038d64 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -943,7 +943,6 @@ config UIDGID_CONVERTED
depends on CODA_FS = n
depends on FUSE_FS = n
depends on GFS2_FS = n
- depends on HFS_FS = n
depends on HFSPLUS_FS = n
depends on HPFS_FS = n
depends on ISO9660_FS = n
--
1.7.5.4
--
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