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userns: Convert hfs to use kuid and kgid where appropriate

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Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2012-02-07 16:26:59 -08:00
parent d001b05365
commit 43b5e4ccd4
4 changed files with 17 additions and 8 deletions
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16
fs/hfs/super.c
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@@ -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)) {