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Improved access permission check treatments.

Submitted by:   Masanori Ozawa <ozawa@ongs.co.jp> (unionfs developer)
Reviewed by:    jeff, kensmith
Approved by:    re (kensmith)
MFC after:      1 week
This commit is contained in:
Daichi GOTO 2007-10-14 13:37:52 +00:00
parent 5c6b7871e9
commit 3282e2c406
1 changed files with 6 additions and 0 deletions
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6
sys/fs/unionfs/union_subr.c
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@ -1110,6 +1110,12 @@ unionfs_check_rmdir(struct vnode *vp, struct ucred *cred, struct thread *td)
return (0);
/* open vnode */
#ifdef MAC
if ((error = mac_check_vnode_open(cred, vp, VEXEC|VREAD)) != 0)
return (error);
#endif
if ((error = VOP_ACCESS(vp, VEXEC|VREAD, cred, td)) != 0)
return (error);
if ((error = VOP_OPEN(vp, FREAD, cred, td, NULL)) != 0)
return (error);