lib/libipfw3/dummynet/ipfw3_dummynet.c

   1 /*
   2  * Copyright (c) 2014 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Bill Yuan <bycn82@gmail.com>
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37
  38 #include <net/if.h>
  39 #include <net/route.h>
  40 #include <net/pfil.h>
  41 #include <netinet/in.h>
  42
  43 #include "../../../sys/net/ipfw3/ip_fw3.h"
  44 #include "../../../sbin/ipfw3/ipfw.h"
  45 #include "ipfw3_dummynet.h"
  46
  47 void
  48 parse_pipe(ipfw_insn **cmd, int *ac, char **av[])
  49 {
  50         NEXT_ARG1;
  51         (*cmd)->opcode = O_DUMMYNET_PIPE;
  52         (*cmd)->module = MODULE_DUMMYNET_ID;
  53         (*cmd)->len = ((*cmd)->len&(F_NOT|F_OR))|LEN_OF_IPFWINSN;
  54         (*cmd)->arg1 = strtoul(**av, NULL, 10);
  55         NEXT_ARG1;
  56 }
  57
  58 void
  59 parse_queue(ipfw_insn **cmd, int *ac, char **av[])
  60 {
  61         NEXT_ARG1;
  62         (*cmd)->opcode = O_DUMMYNET_QUEUE;
  63         (*cmd)->module = MODULE_DUMMYNET_ID;
  64         (*cmd)->len = ((*cmd)->len&(F_NOT|F_OR))|LEN_OF_IPFWINSN;
  65         (*cmd)->arg1 = strtoul(**av, NULL, 10);
  66         NEXT_ARG1;
  67 }
  68
  69 void
  70 show_pipe(ipfw_insn *cmd, int show_or)
  71 {
  72         printf(" pipe %u", cmd->arg1);
  73 }
  74
  75 void
  76 show_queue(ipfw_insn *cmd, int show_or)
  77 {
  78         printf(" queue %u", cmd->arg1);
  79 }
  80
  81 void
  82 load_module(register_func function, register_keyword keyword)
  83 {
  84         keyword(MODULE_DUMMYNET_ID,O_DUMMYNET_PIPE,"pipe", ACTION);
  85         function(MODULE_DUMMYNET_ID,O_DUMMYNET_PIPE,
  86                         (parser_func)parse_pipe, (shower_func)show_pipe);
  87
  88         keyword(MODULE_DUMMYNET_ID,O_DUMMYNET_QUEUE,"queue", ACTION);
  89         function(MODULE_DUMMYNET_ID,O_DUMMYNET_QUEUE,
  90                         (parser_func)parse_queue, (shower_func)show_queue);
  91 }