[netfilter-cvslog] r3633 - trunk/iptables/extensions
laforge at netfilter.org
laforge at netfilter.org
Tue Feb 1 16:14:25 CET 2005
Author: laforge at netfilter.org
Date: 2005-02-01 16:14:15 +0100 (Tue, 01 Feb 2005)
New Revision: 3633
Modified:
trunk/iptables/extensions/libipt_SNAT.c
Log:
check for colons
Modified: trunk/iptables/extensions/libipt_SNAT.c
===================================================================
--- trunk/iptables/extensions/libipt_SNAT.c 2005-02-01 15:13:31 UTC (rev 3632)
+++ trunk/iptables/extensions/libipt_SNAT.c 2005-02-01 15:14:15 UTC (rev 3633)
@@ -65,7 +65,7 @@
parse_to(char *arg, int portok, struct ipt_natinfo *info)
{
struct ip_nat_range range;
- char *colon, *dash;
+ char *colon, *dash, *error;
struct in_addr *ip;
memset(&range, 0, sizeof(range));
@@ -85,6 +85,11 @@
exit_error(PARAMETER_PROBLEM,
"Port `%s' not valid\n", colon+1);
+ error = strchr(colon+1, ':');
+ if (error)
+ exit_error(PARAMETER_PROBLEM,
+ "Invalid port:port syntax - use dash\n");
+
dash = strchr(colon, '-');
if (!dash) {
range.min.tcp.port
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