diff options
| author | Kentaro Takeda <takedakn@nttdata.co.jp> | 2008-12-17 13:24:15 +0900 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2008-12-31 18:07:37 -0500 |
| commit | be6d3e56a6b9b3a4ee44a0685e39e595073c6f0d (patch) | |
| tree | 3a770f4cc676efeba443b28caa1ad195eeff49bc /fs/open.c | |
| parent | 6a94cb73064c952255336cc57731904174b2c58f (diff) | |
| download | lwn-be6d3e56a6b9b3a4ee44a0685e39e595073c6f0d.tar.gz lwn-be6d3e56a6b9b3a4ee44a0685e39e595073c6f0d.zip | |
introduce new LSM hooks where vfsmount is available.
Add new LSM hooks for path-based checks. Call them on directory-modifying
operations at the points where we still know the vfsmount involved.
Signed-off-by: Kentaro Takeda <takedakn@nttdata.co.jp>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Toshiharu Harada <haradats@nttdata.co.jp>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/open.c b/fs/open.c index c0a426d5766c..1cd7d40e9991 100644 --- a/fs/open.c +++ b/fs/open.c @@ -272,6 +272,8 @@ static long do_sys_truncate(const char __user *pathname, loff_t length) goto put_write_and_out; error = locks_verify_truncate(inode, NULL, length); + if (!error) + error = security_path_truncate(&path, length, 0); if (!error) { DQUOT_INIT(inode); error = do_truncate(path.dentry, length, 0, NULL); @@ -329,6 +331,9 @@ static long do_sys_ftruncate(unsigned int fd, loff_t length, int small) error = locks_verify_truncate(inode, file, length); if (!error) + error = security_path_truncate(&file->f_path, length, + ATTR_MTIME|ATTR_CTIME); + if (!error) error = do_truncate(dentry, length, ATTR_MTIME|ATTR_CTIME, file); out_putf: fput(file); |