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<h1>libnet-structures.h</h1><div class="fragment"><pre>00001 <span class="comment">/*</span>
00002 <span class="comment"> * $Id: libnet-structures.h,v 1.16 2004/02/16 23:13:38 mike Exp $</span>
00003 <span class="comment"> *</span>
00004 <span class="comment"> * libnet-structures.h - Network routine library structures header file</span>
00005 <span class="comment"> *</span>
00006 <span class="comment"> * Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com></span>
00007 <span class="comment"> * All rights reserved.</span>
00008 <span class="comment"> *</span>
00009 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
00010 <span class="comment"> * modification, are permitted provided that the following conditions</span>
00011 <span class="comment"> * are met:</span>
00012 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span>
00013 <span class="comment"> * notice, this list of conditions and the following disclaimer.</span>
00014 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span>
00015 <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span>
00016 <span class="comment"> * documentation and/or other materials provided with the distribution.</span>
00017 <span class="comment"> *</span>
00018 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND</span>
00019 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span>
00020 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
00021 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE</span>
00022 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</span>
00023 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS</span>
00024 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span>
00025 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</span>
00026 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</span>
00027 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF</span>
00028 <span class="comment"> * SUCH DAMAGE.</span>
00029 <span class="comment"> *</span>
00030 <span class="comment"> */</span>
00031
00032 <span class="preprocessor">#ifndef __LIBNET_STRUCTURES_H</span>
00033 <span class="preprocessor"></span><span class="preprocessor">#define __LIBNET_STRUCTURES_H</span>
00034 <span class="preprocessor"></span>
00035 <span class="preprocessor">#if ((__WIN32__) && !(__CYGWIN__))</span>
00036 <span class="preprocessor"></span><span class="preprocessor">#include "Packet32.h"</span>
00037 <span class="preprocessor">#endif</span>
00038 <span class="preprocessor"></span>
00039 <span class="comment">/* port list chain structure */</span>
00040 <span class="keyword">typedef</span> <span class="keyword">struct </span>libnet_port_list_chain libnet_plist_t;
00041 <span class="keyword">struct </span>libnet_port_list_chain
00042 {
00043 u_int16_t node; <span class="comment">/* node number */</span>
00044 u_int16_t bport; <span class="comment">/* beggining port */</span>
00045 u_int16_t eport; <span class="comment">/* terminating port */</span>
00046 u_int8_t id; <span class="comment">/* global array offset */</span>
00047 libnet_plist_t *next; <span class="comment">/* next node in the list */</span>
00048 };
00049
00050
00051 <span class="comment">/* libnet statistics structure */</span>
00052 <span class="keyword">struct </span>libnet_stats
00053 {
00054 <span class="preprocessor">#if (!defined(__WIN32__) || (__CYGWIN__))</span>
00055 <span class="preprocessor"></span> u_int64_t packets_sent; <span class="comment">/* packets sent */</span>
00056 u_int64_t packet_errors; <span class="comment">/* packets errors */</span>
00057 u_int64_t bytes_written; <span class="comment">/* bytes written */</span>
00058 <span class="preprocessor">#else</span>
00059 <span class="preprocessor"></span> __int64 packets_sent; <span class="comment">/* packets sent */</span>
00060 __int64 packet_errors; <span class="comment">/* packets errors */</span>
00061 __int64 bytes_written; <span class="comment">/* bytes written */</span>
00062 <span class="preprocessor">#endif</span>
00063 <span class="preprocessor"></span>};
00064
00065
00066 <span class="comment">/*</span>
00067 <span class="comment"> * Libnet ptags are how we identify specific protocol blocks inside the</span>
00068 <span class="comment"> * list.</span>
00069 <span class="comment"> */</span>
00070 <span class="keyword">typedef</span> int32_t libnet_ptag_t;
00071 <span class="preprocessor">#define LIBNET_PTAG_INITIALIZER 0</span>
00072 <span class="preprocessor"></span>
00073
00074 <span class="comment">/*</span>
00075 <span class="comment"> * Libnet generic protocol block memory object. Sort of a poor man's mbuf.</span>
00076 <span class="comment"> */</span>
00077 <span class="keyword">struct </span>libnet_protocol_block
00078 {
00079 u_int8_t *buf; <span class="comment">/* protocol buffer */</span>
00080 u_int32_t b_len; <span class="comment">/* length of buf */</span>
00081 u_int16_t h_len; <span class="comment">/* header length (for checksumming) */</span>
00082 u_int32_t copied; <span class="comment">/* bytes copied */</span>
00083 u_int8_t type; <span class="comment">/* type of pblock */</span>
00084 <span class="comment">/* this needs to be updated every time a new packet builder is added */</span>
00085 <span class="preprocessor">#define LIBNET_PBLOCK_ARP_H 0x01 </span><span class="comment">/* ARP header */</span>
00086 <span class="preprocessor">#define LIBNET_PBLOCK_DHCPV4_H 0x02 </span><span class="comment">/* DHCP v4 header */</span>
00087 <span class="preprocessor">#define LIBNET_PBLOCK_DNSV4_H 0x03 </span><span class="comment">/* DNS v4 header */</span>
00088 <span class="preprocessor">#define LIBNET_PBLOCK_ETH_H 0x04 </span><span class="comment">/* Ethernet header */</span>
00089 <span class="preprocessor">#define LIBNET_PBLOCK_ICMPV4_H 0x05 </span><span class="comment">/* ICMP v4 base header */</span>
00090 <span class="preprocessor">#define LIBNET_PBLOCK_ICMPV4_ECHO_H 0x06 </span><span class="comment">/* ICMP v4 echo header */</span>
00091 <span class="preprocessor">#define LIBNET_PBLOCK_ICMPV4_MASK_H 0x07 </span><span class="comment">/* ICMP v4 mask header */</span>
00092 <span class="preprocessor">#define LIBNET_PBLOCK_ICMPV4_UNREACH_H 0x08 </span><span class="comment">/* ICMP v4 unreach header */</span>
00093 <span class="preprocessor">#define LIBNET_PBLOCK_ICMPV4_TIMXCEED_H 0x09 </span><span class="comment">/* ICMP v4 exceed header */</span>
00094 <span class="preprocessor">#define LIBNET_PBLOCK_ICMPV4_REDIRECT_H 0x0a </span><span class="comment">/* ICMP v4 redirect header */</span>
00095 <span class="preprocessor">#define LIBNET_PBLOCK_ICMPV4_TS_H 0x0b </span><span class="comment">/* ICMP v4 timestamp header */</span>
00096 <span class="preprocessor">#define LIBNET_PBLOCK_IGMP_H 0x0c </span><span class="comment">/* IGMP header */</span>
00097 <span class="preprocessor">#define LIBNET_PBLOCK_IPV4_H 0x0d </span><span class="comment">/* IP v4 header */</span>
00098 <span class="preprocessor">#define LIBNET_PBLOCK_IPO_H 0x0e </span><span class="comment">/* IP v4 options */</span>
00099 <span class="preprocessor">#define LIBNET_PBLOCK_IPDATA 0x0f </span><span class="comment">/* IP data */</span>
00100 <span class="preprocessor">#define LIBNET_PBLOCK_OSPF_H 0x10 </span><span class="comment">/* OSPF base header */</span>
00101 <span class="preprocessor">#define LIBNET_PBLOCK_OSPF_HELLO_H 0x11 </span><span class="comment">/* OSPF hello header */</span>
00102 <span class="preprocessor">#define LIBNET_PBLOCK_OSPF_DBD_H 0x12 </span><span class="comment">/* OSPF dbd header */</span>
00103 <span class="preprocessor">#define LIBNET_PBLOCK_OSPF_LSR_H 0x13 </span><span class="comment">/* OSPF lsr header */</span>
00104 <span class="preprocessor">#define LIBNET_PBLOCK_OSPF_LSU_H 0x14 </span><span class="comment">/* OSPF lsu header */</span>
00105 <span class="preprocessor">#define LIBNET_PBLOCK_OSPF_LSA_H 0x15 </span><span class="comment">/* OSPF lsa header */</span>
00106 <span class="preprocessor">#define LIBNET_PBLOCK_OSPF_AUTH_H 0x16 </span><span class="comment">/* OSPF auth header */</span>
00107 <span class="preprocessor">#define LIBNET_PBLOCK_OSPF_CKSUM 0x17 </span><span class="comment">/* OSPF checksum header */</span>
00108 <span class="preprocessor">#define LIBNET_PBLOCK_LS_RTR_H 0x18 </span><span class="comment">/* linkstate rtr header */</span>
00109 <span class="preprocessor">#define LIBNET_PBLOCK_LS_NET_H 0x19 </span><span class="comment">/* linkstate net header */</span>
00110 <span class="preprocessor">#define LIBNET_PBLOCK_LS_SUM_H 0x1a </span><span class="comment">/* linkstate as sum header */</span>
00111 <span class="preprocessor">#define LIBNET_PBLOCK_LS_AS_EXT_H 0x1b </span><span class="comment">/* linkstate as ext header */</span>
00112 <span class="preprocessor">#define LIBNET_PBLOCK_NTP_H 0x1c </span><span class="comment">/* NTP header */</span>
00113 <span class="preprocessor">#define LIBNET_PBLOCK_RIP_H 0x1d </span><span class="comment">/* RIP header */</span>
00114 <span class="preprocessor">#define LIBNET_PBLOCK_TCP_H 0x1e </span><span class="comment">/* TCP header */</span>
00115 <span class="preprocessor">#define LIBNET_PBLOCK_TCPO_H 0x1f </span><span class="comment">/* TCP options */</span>
00116 <span class="preprocessor">#define LIBNET_PBLOCK_TCPDATA 0x20 </span><span class="comment">/* TCP data */</span>
00117 <span class="preprocessor">#define LIBNET_PBLOCK_UDP_H 0x21 </span><span class="comment">/* UDP header */</span>
00118 <span class="preprocessor">#define LIBNET_PBLOCK_VRRP_H 0x22 </span><span class="comment">/* VRRP header */</span>
00119 <span class="preprocessor">#define LIBNET_PBLOCK_DATA_H 0x23 </span><span class="comment">/* generic data */</span>
00120 <span class="preprocessor">#define LIBNET_PBLOCK_CDP_H 0x24 </span><span class="comment">/* CDP header */</span>
00121 <span class="preprocessor">#define LIBNET_PBLOCK_IPSEC_ESP_HDR_H 0x25 </span><span class="comment">/* IPSEC ESP header */</span>
00122 <span class="preprocessor">#define LIBNET_PBLOCK_IPSEC_ESP_FTR_H 0x26 </span><span class="comment">/* IPSEC ESP footer */</span>
00123 <span class="preprocessor">#define LIBNET_PBLOCK_IPSEC_AH_H 0x27 </span><span class="comment">/* IPSEC AH header */</span>
00124 <span class="preprocessor">#define LIBNET_PBLOCK_802_1Q_H 0x28 </span><span class="comment">/* 802.1q header */</span>
00125 <span class="preprocessor">#define LIBNET_PBLOCK_802_2_H 0x29 </span><span class="comment">/* 802.2 header */</span>
00126 <span class="preprocessor">#define LIBNET_PBLOCK_802_2SNAP_H 0x2a </span><span class="comment">/* 802.2 SNAP header */</span>
00127 <span class="preprocessor">#define LIBNET_PBLOCK_802_3_H 0x2b </span><span class="comment">/* 802.3 header */</span>
00128 <span class="preprocessor">#define LIBNET_PBLOCK_STP_CONF_H 0x2c </span><span class="comment">/* STP configuration header */</span>
00129 <span class="preprocessor">#define LIBNET_PBLOCK_STP_TCN_H 0x2d </span><span class="comment">/* STP TCN header */</span>
00130 <span class="preprocessor">#define LIBNET_PBLOCK_ISL_H 0x2e </span><span class="comment">/* ISL header */</span>
00131 <span class="preprocessor">#define LIBNET_PBLOCK_IPV6_H 0x2f </span><span class="comment">/* IP v6 header */</span>
00132 <span class="preprocessor">#define LIBNET_PBLOCK_802_1X_H 0x30 </span><span class="comment">/* 802.1x header */</span>
00133 <span class="preprocessor">#define LIBNET_PBLOCK_RPC_CALL_H 0x31 </span><span class="comment">/* RPC Call header */</span>
00134 <span class="preprocessor">#define LIBNET_PBLOCK_MPLS_H 0x32 </span><span class="comment">/* MPLS header */</span>
00135 <span class="preprocessor">#define LIBNET_PBLOCK_FDDI_H 0x33 </span><span class="comment">/* FDDI header */</span>
00136 <span class="preprocessor">#define LIBNET_PBLOCK_TOKEN_RING_H 0x34 </span><span class="comment">/* TOKEN RING header */</span>
00137 <span class="preprocessor">#define LIBNET_PBLOCK_BGP4_HEADER_H 0x35 </span><span class="comment">/* BGP4 header */</span>
00138 <span class="preprocessor">#define LIBNET_PBLOCK_BGP4_OPEN_H 0x36 </span><span class="comment">/* BGP4 open header */</span>
00139 <span class="preprocessor">#define LIBNET_PBLOCK_BGP4_UPDATE_H 0x37 </span><span class="comment">/* BGP4 update header */</span>
00140 <span class="preprocessor">#define LIBNET_PBLOCK_BGP4_NOTIFICATION_H 0x38 </span><span class="comment">/* BGP4 notification header */</span>
00141 <span class="preprocessor">#define LIBNET_PBLOCK_GRE_H 0x39 </span><span class="comment">/* GRE header */</span>
00142 <span class="preprocessor">#define LIBNET_PBLOCK_GRE_SRE_H 0x3a </span><span class="comment">/* GRE SRE header */</span>
00143 <span class="preprocessor">#define LIBNET_PBLOCK_IPV6_FRAG_H 0x3b </span><span class="comment">/* IPv6 frag header */</span>
00144 <span class="preprocessor">#define LIBNET_PBLOCK_IPV6_ROUTING_H 0x3c </span><span class="comment">/* IPv6 routing header */</span>
00145 <span class="preprocessor">#define LIBNET_PBLOCK_IPV6_DESTOPTS_H 0x3d </span><span class="comment">/* IPv6 dest opts header */</span>
00146 <span class="preprocessor">#define LIBNET_PBLOCK_IPV6_HBHOPTS_H 0x3e </span><span class="comment">/* IPv6 hop/hop opts header */</span>
00147 <span class="preprocessor">#define LIBNET_PBLOCK_SEBEK_H 0x3f </span><span class="comment">/* Sebek header */</span>
00148 u_int8_t flags; <span class="comment">/* control flags */</span>
00149 <span class="preprocessor">#define LIBNET_PBLOCK_DO_CHECKSUM 0x01 </span><span class="comment">/* needs a checksum */</span>
00150 libnet_ptag_t ptag; <span class="comment">/* protocol block tag */</span>
00151 <span class="keyword">struct </span>libnet_protocol_block *next; <span class="comment">/* next pblock */</span>
00152 <span class="keyword">struct </span>libnet_protocol_block *prev; <span class="comment">/* prev pblock */</span>
00153 };
00154 <span class="keyword">typedef</span> <span class="keyword">struct </span>libnet_protocol_block libnet_pblock_t;
00155
00156
00157 <span class="comment">/*</span>
00158 <span class="comment"> * Libnet context</span>
00159 <span class="comment"> * Opaque structure. Nothing in here should ever been touched first hand by</span>
00160 <span class="comment"> * the applications programmer.</span>
00161 <span class="comment"> */</span>
00162 <span class="keyword">struct </span>libnet_context
00163 {
00164 <span class="preprocessor">#if ((__WIN32__) && !(__CYGWIN__)) </span>
00165 <span class="preprocessor"></span> SOCKET fd;
00166 LPADAPTER lpAdapter;
00167 <span class="preprocessor">#else</span>
00168 <span class="preprocessor"></span> <span class="keywordtype">int</span> fd; <span class="comment">/* file descriptor of packet device */</span>
00169 <span class="preprocessor">#endif</span>
00170 <span class="preprocessor"></span> <span class="keywordtype">int</span> injection_type; <span class="comment">/* raw (ipv4 or ipv6) or link */</span>
00171 <span class="preprocessor">#define LIBNET_LINK 0x00 </span><span class="comment">/* link-layer interface */</span>
00172 <span class="preprocessor">#define LIBNET_RAW4 0x01 </span><span class="comment">/* raw socket interface (ipv4) */</span>
00173 <span class="preprocessor">#define LIBNET_RAW6 0x02 </span><span class="comment">/* raw socket interface (ipv6) */</span>
00174 <span class="comment">/* the following should actually set a flag in the flags variable above */</span>
00175 <span class="preprocessor">#define LIBNET_LINK_ADV 0x08 </span><span class="comment">/* advanced mode link-layer */</span>
00176 <span class="preprocessor">#define LIBNET_RAW4_ADV 0x09 </span><span class="comment">/* advanced mode raw socket (ipv4) */</span>
00177 <span class="preprocessor">#define LIBNET_RAW6_ADV 0x0a </span><span class="comment">/* advanced mode raw socket (ipv6) */</span>
00178 <span class="preprocessor">#define LIBNET_ADV_MASK 0x08 </span><span class="comment">/* mask to determine adv mode */</span>
00179
00180 libnet_pblock_t *protocol_blocks; <span class="comment">/* protocol headers / data */</span>
00181 libnet_pblock_t *pblock_end; <span class="comment">/* last node in list */</span>
00182
00183 <span class="keywordtype">int</span> link_type; <span class="comment">/* link-layer type */</span>
00184 <span class="keywordtype">int</span> link_offset; <span class="comment">/* link-layer header size */</span>
00185 <span class="keywordtype">int</span> aligner; <span class="comment">/* used to align packets */</span>
00186 <span class="keywordtype">char</span> *device; <span class="comment">/* device name */</span>
00187
00188 <span class="keyword">struct </span>libnet_stats stats; <span class="comment">/* statistics */</span>
00189 libnet_ptag_t ptag_state; <span class="comment">/* state holder for pblock tag */</span>
00190 <span class="keywordtype">char</span> label[LIBNET_LABEL_SIZE]; <span class="comment">/* textual label for cq interface */</span>
00191
00192 <span class="keywordtype">char</span> err_buf[<a class="code" href="libnet-macros_8h.html#a18">LIBNET_ERRBUF_SIZE</a>]; <span class="comment">/* error buffer */</span>
00193 u_int32_t total_size; <span class="comment">/* total size */</span>
00194 };
00195 <span class="keyword">typedef</span> <span class="keyword">struct </span>libnet_context libnet_t;
00196
00197 <span class="comment">/*</span>
00198 <span class="comment"> * Libnet context queue structure</span>
00199 <span class="comment"> * Opaque structure. Nothing in here should ever been touched first hand by</span>
00200 <span class="comment"> * the applications programmer.</span>
00201 <span class="comment"> */</span>
00202 <span class="keyword">typedef</span> <span class="keyword">struct </span>_libnet_context_queue libnet_cq_t;
00203 <span class="keyword">struct </span>_libnet_context_queue
00204 {
00205 libnet_t *context; <span class="comment">/* pointer to libnet context */</span>
00206 libnet_cq_t *next; <span class="comment">/* next node in the list */</span>
00207 libnet_cq_t *prev; <span class="comment">/* previous node in the list */</span>
00208 };
00209
00210 <span class="keyword">struct </span>_libnet_context_queue_descriptor
00211 {
00212 u_int32_t node; <span class="comment">/* number of nodes in the list */</span>
00213 u_int32_t cq_lock; <span class="comment">/* lock status */</span>
00214 libnet_cq_t *current; <span class="comment">/* current context */</span>
00215 };
00216 <span class="keyword">typedef</span> <span class="keyword">struct </span>_libnet_context_queue_descriptor libnet_cqd_t;
00217
00218 <span class="preprocessor">#endif </span><span class="comment">/* __LIBNET_STRUCTURES_H */</span>
00219
00220 <span class="comment">/* EOF */</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Wed Mar 10 13:23:37 2004 for libnet by
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