Date: 18 Jun 2001 03:40:28 +0200 From: Assar Westerlund <assar@FreeBSD.ORG> To: Garance A Drosihn <drosih@rpi.edu> Cc: current@FreeBSD.ORG Subject: Re: symlink(2) [Was: Re: tcsh.cat] Message-ID: <5lu21eo99v.fsf@assaris.sics.se> In-Reply-To: Garance A Drosihn's message of "Sun, 17 Jun 2001 21:16:24 -0400" References: <200106170518.f5H5I6V44586@harmony.village.org> <Pine.BSF.4.21.0106172154520.582-100000@besplex.bde.org> <20010617113141A.jkh@osd.bsdi.com> <20010617231418.A60728@nagual.pp.ru> <200106172128.f5HLSe108208@earth.backplane.com> <p05100e0eb753048b371c@[128.113.24.47]>
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Garance A Drosihn <drosih@rpi.edu> writes:
> I think that it's reasonable to just make it a specific error, and
> thus end this thread. No harm will come of making it a specific
> error on open, and it will address the problems mentioned earlier.
What about this?
/assar
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Content-Type: text/x-patch
Content-Disposition: attachment
Index: vfs_lookup.c
===================================================================
RCS file: /home/ncvs/src/sys/kern/vfs_lookup.c,v
retrieving revision 1.45
diff -u -w -u -w -r1.45 vfs_lookup.c
--- vfs_lookup.c 2001/05/01 08:12:59 1.45
+++ vfs_lookup.c 2001/06/18 01:40:04
@@ -220,6 +220,12 @@
error = ENAMETOOLONG;
break;
}
+ if (linklen == 0) {
+ if (ndp->ni_pathlen > 1)
+ zfree(namei_zone, cp);
+ error = ENOENT;
+ break;
+ }
if (ndp->ni_pathlen > 1) {
bcopy(ndp->ni_next, cp + linklen, ndp->ni_pathlen);
zfree(namei_zone, cnp->cn_pnbuf);
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