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authorKentaro Takeda <takedakn@nttdata.co.jp>2008-12-17 07:24:15 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2009-01-01 02:07:37 +0300
commitbe6d3e56a6b9b3a4ee44a0685e39e595073c6f0d (patch)
tree3a770f4cc676efeba443b28caa1ad195eeff49bc /fs/open.c
parent6a94cb73064c952255336cc57731904174b2c58f (diff)
downloadlinux-be6d3e56a6b9b3a4ee44a0685e39e595073c6f0d.tar.xz
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.c5
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);