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authorTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>2009-10-04 21:49:48 +0900
committerJames Morris <jmorris@namei.org>2009-10-12 10:56:02 +1100
commit8b8efb44033c7e86b3dc76f825c693ec92ae30e9 (patch)
tree8cf43afc59f88f36a86f3a8165770bccec28b3c3 /fs/open.c
parent89eda06837094ce9f34fae269b8773fcfd70f046 (diff)
downloadlinux-next-8b8efb44033c7e86b3dc76f825c693ec92ae30e9.tar.gz
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.c3
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;