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CID-3224: check the return value of strtok() before use 

ok christos@
This commit is contained in:
alc 2006-12-25 23:55:47 +00:00
parent 6be473ba20
commit 0fd99769e3
2 changed files with 6 additions and 4 deletions
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5
dist/ipf/lib/ipft_ef.c vendored
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@ -1,4 +1,4 @@
/* $NetBSD: ipft_ef.c,v 1.1.1.1 2004/03/28 08:56:18 martti Exp $ */
/* $NetBSD: ipft_ef.c,v 1.2 2006/12/25 23:55:47 alc Exp $ */
/*
* Copyright (C) 1993-2001 by Darren Reed.
@ -100,7 +100,8 @@ int cnt, *dir;
case IPPROTO_TCP :
case IPPROTO_UDP :
s = strtok(NULL, " :");
ip->ip_len += atoi(s);
if (s)
ip->ip_len += atoi(s);
if (ip->ip_p == IPPROTO_TCP)
extra = sizeof(struct tcphdr);
else if (ip->ip_p == IPPROTO_UDP)

5
dist/ipf/lib/ipft_td.c vendored
View File

@ -1,4 +1,4 @@
/* $NetBSD: ipft_td.c,v 1.1.1.1 2004/03/28 08:56:18 martti Exp $ */
/* $NetBSD: ipft_td.c,v 1.2 2006/12/25 23:57:00 alc Exp $ */
/*
* Copyright (C) 1993-2001 by Darren Reed.
@ -151,7 +151,8 @@ int cnt, *dir;
case IPPROTO_TCP :
case IPPROTO_UDP :
s = strtok(NULL, " :");
ip->ip_len += atoi(s);
if (s)
ip->ip_len += atoi(s);
if (ip->ip_p == IPPROTO_TCP)
extra = sizeof(struct tcphdr);
else if (ip->ip_p == IPPROTO_UDP)