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* nis/nis_addmember.c (nis_addmember): Add assert to check buffer
	bounds.
This commit is contained in:
Ulrich Drepper 2004-10-25 03:16:46 +00:00
parent 78d8d2117b
commit faf4346213
2 changed files with 7 additions and 1 deletions
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ChangeLog
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@ -1,5 +1,8 @@
2004-10-24 Ulrich Drepper <drepper@redhat.com>
* nis/nis_addmember.c (nis_addmember): Add assert to check buffer
bounds.
* resolv/nss_dns/dns-host.c: Avoid using PLTs.
* include/libc-symbols.h: Define hidden attribute macros for
libnss_nisplus and libutil.

5
nis/nis_addmember.c
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@ -1,4 +1,4 @@
/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
/* Copyright (c) 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@ -17,6 +17,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <assert.h>
#include <string.h>
#include <rpcsvc/nis.h>
@ -71,6 +72,8 @@ nis_addmember (const_nis_name member, const_nis_name group)
}
++NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len;
/* Check the buffer bounds are not exceeded. */
assert (strlen (NIS_RES_OBJECT(res)->zo_name) + 1 < grouplen + 14);
cp = stpcpy (buf, NIS_RES_OBJECT(res)->zo_name);
*cp++ = '.';
strncpy (cp, NIS_RES_OBJECT (res)->zo_domain, NIS_MAXNAMELEN);