diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1998-03-31 00:16:31 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1998-03-31 00:16:31 +0000 |
| commit | 5ef0dd40a8ef306d2fa808937c14c2adfab66e38 (patch) | |
| tree | c36bc489d4cb7a9064e204de51d082b512b66c69 /usr.sbin | |
| parent | e8336313626641516a0d893a13ff0a8c927be515 (diff) | |
fix fake-iquery
Diffstat (limited to 'usr.sbin')
| -rw-r--r-- | usr.sbin/named/named/ns_req.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/usr.sbin/named/named/ns_req.c b/usr.sbin/named/named/ns_req.c index 56add68532d..1d5c8c0d257 100644 --- a/usr.sbin/named/named/ns_req.c +++ b/usr.sbin/named/named/ns_req.c @@ -1,11 +1,11 @@ -/* $OpenBSD: ns_req.c,v 1.3 1997/05/07 22:43:29 millert Exp $ */ +/* $OpenBSD: ns_req.c,v 1.4 1998/03/31 00:16:30 deraadt Exp $ */ #if !defined(lint) && !defined(SABER) #if 0 static char sccsid[] = "@(#)ns_req.c 4.47 (Berkeley) 7/1/91"; static char rcsid[] = "$From: ns_req.c,v 8.27 1996/10/08 04:51:03 vixie Exp $"; #else -static char rcsid[] = "$OpenBSD: ns_req.c,v 1.3 1997/05/07 22:43:29 millert Exp $"; +static char rcsid[] = "$OpenBSD: ns_req.c,v 1.4 1998/03/31 00:16:30 deraadt Exp $"; #endif #endif /* not lint */ @@ -1015,7 +1015,7 @@ req_iquery(hp, cpp, eom, buflenp, msg, from) switch (type) { case T_A: #ifndef INVQ - if (!fake_iquery) + if (!fake_iquery || dlen != INT32SZ) return (Refuse); #endif #ifdef INVQ @@ -1029,7 +1029,10 @@ req_iquery(hp, cpp, eom, buflenp, msg, from) dprintf(1, (ddt, "req: IQuery class %d type %d\n", class, type)); fname = (char *)msg + HFIXEDSZ; - bcopy(fname, anbuf, alen = (char *)*cpp - fname); + alen = (char *)*cpp - fname; + if ((size_t)alen > sizeof anbuf) + return (Refuse); + bcopy(fname, anbuf, alen); data = anbuf + alen - dlen; *cpp = (u_char *)fname; *buflenp -= HFIXEDSZ; |