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authorJaegeuk Kim <jaegeuk@kernel.org>2016-02-23 09:21:37 -0800
committerJaegeuk Kim <jaegeuk@kernel.org>2016-03-17 21:19:42 -0700
commit8074bb515014d281a6f5f1218648aa3abd9c22ab (patch)
treee40dc1a7d5d8f7bf26d911169c9b1ddd1c3752d7 /fs/f2fs/file.c
parent0b81d0779072696371822e5ed9e7c6292e547024 (diff)
f2fs crypto: sync ext4_lookup and ext4_file_open
This patch tries to catch up with lookup and open policies in ext4. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/file.c')
-rw-r--r--fs/f2fs/file.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 04ab1e4fc1df..b41c3579ea9e 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -441,6 +441,7 @@ static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
static int f2fs_file_open(struct inode *inode, struct file *filp)
{
int ret = generic_file_open(inode, filp);
+ struct inode *dir = filp->f_path.dentry->d_parent->d_inode;
if (!ret && f2fs_encrypted_inode(inode)) {
ret = fscrypt_get_encryption_info(inode);
@@ -449,6 +450,9 @@ static int f2fs_file_open(struct inode *inode, struct file *filp)
if (!fscrypt_has_encryption_key(inode))
return -ENOKEY;
}
+ if (f2fs_encrypted_inode(dir) &&
+ !fscrypt_has_permitted_context(dir, inode))
+ return -EPERM;
return ret;
}