Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Check the results of argument decomposition in octets to prevent

Browse Source 
garbage being sent to name servers.
This commit is contained in:
pk 1998-12-05 13:17:55 +00:00
parent 66bc493d73
commit d92652f4ae
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
lib/libc/net/getnetnamadr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: getnetnamadr.c,v 1.6 1998/11/13 15:46:53 christos Exp $ */
/* $NetBSD: getnetnamadr.c,v 1.7 1998/12/05 13:17:55 pk Exp $ */
/* Copyright (c) 1993 Carlos Leandro and Rui Salgueiro
* Dep. Matematica Universidade de Coimbra, Portugal, Europe
@ -47,7 +47,7 @@ static char sccsid[] = "@(#)getnetbyaddr.c 8.1 (Berkeley) 6/4/93";
static char sccsid_[] = "from getnetnamadr.c 1.4 (Coimbra) 93/06/03";
static char rcsid[] = "Id: getnetnamadr.c,v 8.8 1997/06/01 20:34:37 vixie Exp ";
#else
__RCSID("$NetBSD: getnetnamadr.c,v 1.6 1998/11/13 15:46:53 christos Exp $");
__RCSID("$NetBSD: getnetnamadr.c,v 1.7 1998/12/05 13:17:55 pk Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
@ -248,6 +248,8 @@ getnetbyaddr(net, net_type)
for (nn = 4, net2 = net; net2; net2 >>= 8)
netbr[--nn] = (unsigned int)(net2 & 0xff);
switch (nn) {
default:
return (NULL);
case 3: /* Class A */
sprintf(qbuf, "0.0.0.%u.in-addr.arpa",
netbr[3]);