| /* Route filtering function for TCP and UDP. |
| * Copyright (C) 2000 Kunihiro Ishiguro |
| * |
| * This file is part of GNU Zebra. |
| * |
| * GNU Zebra is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published |
| * by the Free Software Foundation; either version 2, or (at your |
| * option) any later version. |
| * |
| * GNU Zebra is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with GNU Zebra; see the file COPYING. If not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| #include <zebra.h> |
| |
| #include "command.h" |
| #include "prefix.h" |
| |
| #define FILTER_TYPE_IP 1 |
| #define FILTER_TYPE_TCP 2 |
| #define FILTER_TYPE_UDP 3 |
| |
| DEFUN (al_tcp_filter, |
| al_tcp_filter_cmd, |
| "access-list WORD (deny|permit) tcp (A.B.C.D/M|any) (A.B.C.D/M|any)", |
| "Add an access list entry\n" |
| "Access-list name\n" |
| "Specify packets to reject\n" |
| "Specify packets to forward\n" |
| "Transmission Control Protocol\n" |
| "Source address prefix\n" |
| "Any source host\n" |
| "Destination address prefix\n" |
| "Any destination host\n") |
| { |
| return CMD_SUCCESS; |
| } |
| |
| DEFUN (al_tcp_filter_eq, |
| al_tcp_filter_eq_cmd, |
| "access-list WORD (deny|permit) tcp (A.B.C.D/M|any) (A.B.C.D/M|any) eq <0-65535>", |
| "Add an access list entry\n" |
| "Access-list name\n" |
| "Specify packets to reject\n" |
| "Specify packets to forward\n" |
| "Transmission Control Protocol\n" |
| "Source address prefix\n" |
| "Any source host\n" |
| "Destination address prefix\n" |
| "Any destination host\n" |
| "Port number\n") |
| { |
| return CMD_SUCCESS; |
| } |
| |
| void |
| tcpfilter_init () |
| { |
| install_element (CONFIG_NODE, &al_tcp_filter_cmd); |
| install_element (CONFIG_NODE, &al_tcp_filter_eq_cmd); |
| } |