char *subnetmask = strdup(conn->transfer_subnet);
char *address = strsep(&subnetmask, "/");
+ if ((address == NULL) || (subnetmask == NULL)) {
+ goto ERROR;
+ }
+
in_addr_t _address = inet_addr(address);
in_addr_t _subnetmask = inet_addr(subnetmask);
_address &= _subnetmask;
local_subnet_address = getLocalSubnetAddress(conn);
transfer_subnet_address = calcTransferNetAddress(conn);
- if ((!local_subnet_address) || (!transfer_subnet_address))
- continue;
-
- snprintf(command, STRING_SIZE, "/sbin/iptables -t nat -A %s -s %s -j SNAT --to-source %s",
- OVPNNAT, transfer_subnet_address, local_subnet_address);
- executeCommand(command);
+ if ((local_subnet_address) && (transfer_subnet_address)) {
+ snprintf(command, STRING_SIZE, "/sbin/iptables -t nat -A %s -s %s -j SNAT --to-source %s",
+ OVPNNAT, transfer_subnet_address, local_subnet_address);
+ executeCommand(command);
+ }
}
conn = conn->next;