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| author |   Richard Weinberger <richard@nod.at> | 2016-09-29 20:10:06 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2016-12-12 23:07:38 +0100 |
| commit | 9270b2f4cd9d903ed638c6cb93206baf458bdf46 (patch) | |
| tree | 75e84b03ed124ffd24346bad66c1a5c5153afb2c /fs/ubifs/dir.c | |
| parent | ubifs: Enforce crypto policy in ->link and ->rename (diff) | |
| download | linux-dev-9270b2f4cd9d903ed638c6cb93206baf458bdf46.tar.xz linux-dev-9270b2f4cd9d903ed638c6cb93206baf458bdf46.zip | |
ubifs: Preload crypto context in ->lookup()
...and mark the dentry as encrypted.
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'fs/ubifs/dir.c')
| -rw-r--r-- | fs/ubifs/dir.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index bd0af4e9ca0b..9976a709b875 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -218,6 +218,21 @@ static struct dentry *ubifs_lookup(struct inode *dir, struct dentry *dentry, dbg_gen("'%pd' in dir ino %lu", dentry, dir->i_ino); + if (ubifs_crypt_is_encrypted(dir)) { + err = fscrypt_get_encryption_info(dir); + + /* + * DCACHE_ENCRYPTED_WITH_KEY is set if the dentry is + * created while the directory was encrypted and we + * have access to the key. + */ + if (fscrypt_has_encryption_key(dir)) + fscrypt_set_encrypted_dentry(dentry); + fscrypt_set_d_op(dentry); + if (err && err != -ENOKEY) + return ERR_PTR(err); + } + if (dentry->d_name.len > UBIFS_MAX_NLEN) return ERR_PTR(-ENAMETOOLONG); |