1 /* 2 * Copyright (c) 2008 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Sepherosa Ziehau <sepherosa@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 36 #include <sys/param.h> 37 #include <sys/socketvar.h> 38 39 #include <net/if.h> 40 #include <net/netisr.h> 41 #include <net/netmsg2.h> 42 43 #include <netinet/in.h> 44 45 #include <net/ipfw3/ip_fw.h> 46 47 int ip_fw3_loaded; 48 int fw3_enable = 1; 49 int fw3_one_pass = 1; 50 51 static void ip_fw3_sockopt_dispatch(netmsg_t msg); 52 53 int 54 ip_fw3_sockopt(struct sockopt *sopt) 55 { 56 struct netmsg_base smsg; 57 58 netmsg_init(&smsg, NULL, &curthread->td_msgport, 59 0, ip_fw3_sockopt_dispatch); 60 smsg.lmsg.u.ms_resultp = sopt; 61 return lwkt_domsg(IPFW_CFGPORT, &smsg.lmsg, 0); 62 } 63 64 static void 65 ip_fw3_sockopt_dispatch(netmsg_t msg) 66 { 67 struct sockopt *sopt = msg->lmsg.u.ms_resultp; 68 int error; 69 70 KKASSERT(mycpuid == 0); 71 72 if (IPFW3_LOADED) 73 error = ip_fw_ctl_x_ptr(sopt); 74 else 75 error = ENOPROTOOPT; 76 lwkt_replymsg(&msg->lmsg, error); 77 } 78