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Add a MAC check for VOP_LOOKUP() in the Linux getwcd() implementation.

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Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, Network Associates Laboratories
This commit is contained in:
Robert Watson 2003-11-17 18:57:20 +00:00
parent 0543fa5398
commit 0b92da272c
1 changed files with 5 additions and 1 deletions
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6
sys/compat/linux/linux_getcwd.c
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@ -162,7 +162,11 @@ linux_getcwd_scandir(lvpp, uvpp, bpp, bufp, td)
* At this point, lvp is locked and will be unlocked by the lookup.
* On successful return, *uvpp will be locked
*/
error = VOP_LOOKUP(lvp, uvpp, &cn);
#ifdef MAC
error = mac_check_vnode_lookup(td->td_ucred, lvp, &cn);
if (error == 0)
#endif
error = VOP_LOOKUP(lvp, uvpp, &cn);
if (error) {
vput(lvp);
*lvpp = NULL;