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| author | Eric W. Biederman <ebiederm@xmission.com> | 2012-02-07 16:27:17 -0800 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2012-09-21 03:13:12 -0700 |
| commit | 16525e3f146fbba1ae43740c7d3895d4f396a768 (patch) | |
| tree | 471efe0eb66e6c35603d80079f2ed7c54b6b31c1 /fs/hfsplus | |
| parent | 43b5e4ccd463a5b42e0531c32628ac462081cab8 (diff) | |
| download | linux-3.10-16525e3f146fbba1ae43740c7d3895d4f396a768.tar.gz linux-3.10-16525e3f146fbba1ae43740c7d3895d4f396a768.tar.bz2 linux-3.10-16525e3f146fbba1ae43740c7d3895d4f396a768.zip | |
userns: Convert hfsplus to use kuid and kgid where appropriate
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'fs/hfsplus')
| -rw-r--r-- | fs/hfsplus/catalog.c | 4 | ||||
| -rw-r--r-- | fs/hfsplus/hfsplus_fs.h | 4 | ||||
| -rw-r--r-- | fs/hfsplus/inode.c | 8 | ||||
| -rw-r--r-- | fs/hfsplus/options.c | 15 |
4 files changed, 20 insertions, 11 deletions
diff --git a/fs/hfsplus/catalog.c b/fs/hfsplus/catalog.c index ec2a9c23f0c..798d9c4c5e7 100644 --- a/fs/hfsplus/catalog.c +++ b/fs/hfsplus/catalog.c @@ -80,8 +80,8 @@ void hfsplus_cat_set_perms(struct inode *inode, struct hfsplus_perm *perms) perms->userflags = HFSPLUS_I(inode)->userflags; perms->mode = cpu_to_be16(inode->i_mode); - perms->owner = cpu_to_be32(inode->i_uid); - perms->group = cpu_to_be32(inode->i_gid); + perms->owner = cpu_to_be32(i_uid_read(inode)); + perms->group = cpu_to_be32(i_gid_read(inode)); if (S_ISREG(inode->i_mode)) perms->dev = cpu_to_be32(inode->i_nlink); diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index 558dbb463a4..c571de224b1 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -149,8 +149,8 @@ struct hfsplus_sb_info { u32 type; umode_t umask; - uid_t uid; - gid_t gid; + kuid_t uid; + kgid_t gid; int part, session; unsigned long flags; diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index 3d8b4a675ba..2172aa5976f 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -233,12 +233,12 @@ static void hfsplus_get_perms(struct inode *inode, mode = be16_to_cpu(perms->mode); - inode->i_uid = be32_to_cpu(perms->owner); - if (!inode->i_uid && !mode) + i_uid_write(inode, be32_to_cpu(perms->owner)); + if (!i_uid_read(inode) && !mode) inode->i_uid = sbi->uid; - inode->i_gid = be32_to_cpu(perms->group); - if (!inode->i_gid && !mode) + i_gid_write(inode, be32_to_cpu(perms->group)); + if (!i_gid_read(inode) && !mode) inode->i_gid = sbi->gid; if (dir) { diff --git a/fs/hfsplus/options.c b/fs/hfsplus/options.c index 06fa5618600..ed257c67161 100644 --- a/fs/hfsplus/options.c +++ b/fs/hfsplus/options.c @@ -135,14 +135,22 @@ int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi) printk(KERN_ERR "hfs: uid requires an argument\n"); return 0; } - sbi->uid = (uid_t)tmp; + sbi->uid = make_kuid(current_user_ns(), (uid_t)tmp); + if (!uid_valid(sbi->uid)) { + printk(KERN_ERR "hfs: invalid uid specified\n"); + return 0; + } break; case opt_gid: if (match_int(&args[0], &tmp)) { printk(KERN_ERR "hfs: gid requires an argument\n"); return 0; } - sbi->gid = (gid_t)tmp; + sbi->gid = make_kgid(current_user_ns(), (gid_t)tmp); + if (!gid_valid(sbi->gid)) { + printk(KERN_ERR "hfs: invalid gid specified\n"); + return 0; + } break; case opt_part: if (match_int(&args[0], &sbi->part)) { @@ -215,7 +223,8 @@ int hfsplus_show_options(struct seq_file *seq, struct dentry *root) if (sbi->type != HFSPLUS_DEF_CR_TYPE) seq_printf(seq, ",type=%.4s", (char *)&sbi->type); seq_printf(seq, ",umask=%o,uid=%u,gid=%u", sbi->umask, - sbi->uid, sbi->gid); + from_kuid_munged(&init_user_ns, sbi->uid), + from_kgid_munged(&init_user_ns, sbi->gid)); if (sbi->part >= 0) seq_printf(seq, ",part=%u", sbi->part); if (sbi->session >= 0) |