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Require CAP_DELETE on directory descriptor for unlinkat(2).

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Sponsored by:	FreeBSD Foundation
MFC after:	2 weeks
This commit is contained in:
pjd 2012-09-25 21:00:36 +00:00
parent 4816885ff1
commit 1d5d62ac36
1 changed files with 2 additions and 2 deletions
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4
sys/kern/vfs_syscalls.c
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@ -1881,8 +1881,8 @@ kern_unlinkat(struct thread *td, int fd, char *path, enum uio_seg pathseg,
restart:
bwillwrite();
NDINIT_AT(&nd, DELETE, LOCKPARENT | LOCKLEAF | MPSAFE | AUDITVNODE1,
pathseg, path, fd, td);
NDINIT_ATRIGHTS(&nd, DELETE, LOCKPARENT | LOCKLEAF | MPSAFE |
AUDITVNODE1, pathseg, path, fd, CAP_DELETE, td);
if ((error = namei(&nd)) != 0)
return (error == EINVAL ? EPERM : error);
vfslocked = NDHASGIANT(&nd);