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| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2009-10-04 21:49:48 +0900 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-10-12 10:56:02 +1100 |
| commit | 8b8efb44033c7e86b3dc76f825c693ec92ae30e9 (patch) | |
| tree | 8cf43afc59f88f36a86f3a8165770bccec28b3c3 /fs/open.c | |
| parent | 89eda06837094ce9f34fae269b8773fcfd70f046 (diff) | |
| download | lwn-8b8efb44033c7e86b3dc76f825c693ec92ae30e9.tar.gz lwn-8b8efb44033c7e86b3dc76f825c693ec92ae30e9.zip | |
LSM: Add security_path_chroot().
This patch allows pathname based LSM modules to check chroot() operations.
This hook is used by TOMOYO.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/open.c b/fs/open.c index b5c294d35bd1..201041dfca57 100644 --- a/fs/open.c +++ b/fs/open.c @@ -587,6 +587,9 @@ SYSCALL_DEFINE1(chroot, const char __user *, filename) error = -EPERM; if (!capable(CAP_SYS_CHROOT)) goto dput_and_out; + error = security_path_chroot(&path); + if (error) + goto dput_and_out; set_fs_root(current->fs, &path); error = 0; |