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authorEric W. Biederman <ebiederm@xmission.com>2012-02-07 16:24:33 -0800
committerEric W. Biederman <ebiederm@xmission.com>2012-09-21 03:13:09 -0700
commitcdf8c58a3546443073cab77d07a88ee439319c19 (patch)
treea5490a4cbfcd9241d14795feb74f7b8dee29d0d1 /fs/ecryptfs
parenta7d9cfe97b450b27c82e6e41b2fde6214708560d (diff)
downloadop-kernel-dev-cdf8c58a3546443073cab77d07a88ee439319c19.zip
op-kernel-dev-cdf8c58a3546443073cab77d07a88ee439319c19.tar.gz
userns: Convert ecryptfs to use kuid/kgid where appropriate
Cc: Tyler Hicks <tyhicks@canonical.com> Cc: Dustin Kirkland <dustin.kirkland@gazzang.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'fs/ecryptfs')
-rw-r--r--fs/ecryptfs/main.c5
-rw-r--r--fs/ecryptfs/messaging.c5
2 files changed, 5 insertions, 5 deletions
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 2768138..1d6ce91 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -544,11 +544,12 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags
goto out_free;
}
- if (check_ruid && path.dentry->d_inode->i_uid != current_uid()) {
+ if (check_ruid && !uid_eq(path.dentry->d_inode->i_uid, current_uid())) {
rc = -EPERM;
printk(KERN_ERR "Mount of device (uid: %d) not owned by "
"requested user (uid: %d)\n",
- path.dentry->d_inode->i_uid, current_uid());
+ i_uid_read(path.dentry->d_inode),
+ from_kuid(&init_user_ns, current_uid()));
goto out_free;
}
diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
index b29bb8b..5fa2471 100644
--- a/fs/ecryptfs/messaging.c
+++ b/fs/ecryptfs/messaging.c
@@ -33,7 +33,7 @@ static struct hlist_head *ecryptfs_daemon_hash;
struct mutex ecryptfs_daemon_hash_mux;
static int ecryptfs_hash_bits;
#define ecryptfs_current_euid_hash(uid) \
- hash_long((unsigned long)current_euid(), ecryptfs_hash_bits)
+ hash_long((unsigned long)from_kuid(&init_user_ns, current_euid()), ecryptfs_hash_bits)
static u32 ecryptfs_msg_counter;
static struct ecryptfs_msg_ctx *ecryptfs_msg_ctx_arr;
@@ -121,8 +121,7 @@ int ecryptfs_find_daemon_by_euid(struct ecryptfs_daemon **daemon)
hlist_for_each_entry(*daemon, elem,
&ecryptfs_daemon_hash[ecryptfs_current_euid_hash()],
euid_chain) {
- if ((*daemon)->file->f_cred->euid == current_euid() &&
- (*daemon)->file->f_cred->user_ns == current_user_ns()) {
+ if (uid_eq((*daemon)->file->f_cred->euid, current_euid())) {
rc = 0;
goto out;
}
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