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--- pmlist.cpp.orig Fri Jan 3 03:14:24 2003
+++ pmlist.cpp Mon Jan 20 20:38:16 2003
@@ -31,6 +31,8 @@
#include <unistd.h>
#include <iostream>
+extern char *ExtIf;
+
PortMapList::PortMapList()
{
@@ -182,8 +184,13 @@
{
char command[255];
- sprintf(command,"/usr/sbin/iptables -t nat -A PREROUTING -p %s -d %s --dport %d -j DNAT --to %s:%d", Proto, ExtIP, ExtPort, IntIP, IntPort);
- system(command);
+ FILE *ipnat = popen("/sbin/ipnat -f -", "w");
+ if (ipnat == NULL)
+ return 0;
+ sprintf(command, "rdr %s %s/32 port %d -> %s port %d %s",
+ ExtIf, ExtIP, ExtPort, IntIP, IntPort, Proto);
+ fprintf(ipnat, command);
+ pclose(ipnat);
return (1);
}
@@ -218,9 +225,14 @@
{
char command[255];
+ FILE *ipnat = popen("/sbin/ipnat -rf -", "w");
+ if (ipnat == NULL)
+ return 0;
+ sprintf(command, "rdr %s %s/32 port %d -> %s port %d %s",
+ ExtIf, ExtIP, ExtPort, IntIP, IntPort, Proto);
+ fprintf(ipnat, command);
+ pclose(ipnat);
- sprintf(command, "/usr/sbin/iptables -t nat -D PREROUTING -p %s -d %s --dport %d -j DNAT --to %s:%d", Proto, ExtIP, ExtPort, IntIP, IntPort);
- system(command);
return (1);
}
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