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 #ifndef _IP_FW_BASIC_H 35 #define _IP_FW_BASIC_H 36 37 #define MODULE_BASIC_ID 0 38 #define MODULE_BASIC_NAME "basic" 39 40 #ifdef _KERNEL 41 MALLOC_DEFINE(M_IPFW3_BASIC,"IPFW3_BASIC", "ip_fw3 basic module"); 42 #endif 43 44 enum ipfw_basic_opcodes { 45 O_BASIC_ACCEPT, /* accept */ 46 O_BASIC_DENY, /* deny */ 47 O_BASIC_COUNT, /* count */ 48 O_BASIC_SKIPTO, /* skipto action->arg1 */ 49 O_BASIC_FORWARD, /* arg3 count of dest, arg1 type of fwd */ 50 51 O_BASIC_IN, /* in */ 52 O_BASIC_OUT, /* out */ 53 O_BASIC_VIA, /* via */ 54 O_BASIC_XMIT, /* xmit */ 55 O_BASIC_RECV, /* recv */ 56 57 O_BASIC_PROTO, /* arg1=protocol */ 58 O_BASIC_IP_SRC, 59 O_BASIC_IP_SRC_N_PORT, /* src ip: src port */ 60 O_BASIC_IP_SRC_MASK, /* ip = IP/mask*/ 61 O_BASIC_IP_SRC_ME, /* me */ 62 O_BASIC_IP_SRC_LOOKUP, /* from lookup table */ 63 64 O_BASIC_IP_DST, 65 O_BASIC_IP_DST_N_PORT, /* dst ip: dst port */ 66 O_BASIC_IP_DST_MASK, /* ip = IP/mask */ 67 O_BASIC_IP_DST_ME, /* me */ 68 O_BASIC_IP_DST_LOOKUP, /* to lookup table */ 69 70 O_BASIC_IP_SRCPORT, /* src-port */ 71 O_BASIC_IP_DSTPORT, /* dst-port */ 72 O_BASIC_PROB, /* probability 0~1*/ 73 O_BASIC_KEEP_STATE, /* */ 74 O_BASIC_CHECK_STATE, /* */ 75 O_BASIC_TAG, /* action, add tag info into mbuf */ 76 O_BASIC_UNTAG, /* action, remote tag from mbuf */ 77 O_BASIC_TAGGED, /* filter, check the tag info */ 78 79 O_BASIC_COMMENT, /* comment,behind action, no check */ 80 }; 81 82 83 #define IS_EXPIRED(state) (state->lifetime > 0 && \ 84 (state->timestamp + state->lifetime) < time_second) || \ 85 ((state->expiry != 0) && (state->expiry < time_second)) 86 87 #define IPFW_BASIC_LOADED (ip_fw_basic_loaded) 88 89 #endif 90