libnet 1.1
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00001 /* 00002 * $Id: libnet-structures_8h_source.html,v 1.1.1.1 2013/07/22 11:54:41 misho Exp $ 00003 * 00004 * libnet-structures.h - Network routine library structures header file 00005 * 00006 * Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com> 00007 * All rights reserved. 00008 * 00009 * Redistribution and use in source and binary forms, with or without 00010 * modification, are permitted provided that the following conditions 00011 * are met: 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 2. Redistributions in binary form must reproduce the above copyright 00015 * notice, this list of conditions and the following disclaimer in the 00016 * documentation and/or other materials provided with the distribution. 00017 * 00018 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 00019 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00020 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00021 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 00022 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00023 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00024 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00025 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00026 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00027 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00028 * SUCH DAMAGE. 00029 * 00030 */ 00031 00032 #ifndef __LIBNET_STRUCTURES_H 00033 #define __LIBNET_STRUCTURES_H 00034 00035 #if ((__WIN32__) && !(__CYGWIN__)) 00036 #include "Packet32.h" 00037 #endif 00038 00039 /* port list chain structure */ 00040 typedef struct libnet_port_list_chain libnet_plist_t; 00041 struct libnet_port_list_chain 00042 { 00043 uint16_t node; /* node number */ 00044 uint16_t bport; /* beggining port */ 00045 uint16_t eport; /* terminating port */ 00046 uint8_t id; /* global array offset */ 00047 libnet_plist_t *next; /* next node in the list */ 00048 }; 00049 00050 00051 /* libnet statistics structure */ 00052 struct libnet_stats 00053 { 00054 #if (!defined(__WIN32__) || (__CYGWIN__)) 00055 uint64_t packets_sent; /* packets sent */ 00056 uint64_t packet_errors; /* packets errors */ 00057 uint64_t bytes_written; /* bytes written */ 00058 #else 00059 __int64 packets_sent; /* packets sent */ 00060 __int64 packet_errors; /* packets errors */ 00061 __int64 bytes_written; /* bytes written */ 00062 #endif 00063 }; 00064 00065 00066 /* 00067 * Libnet ptags are how we identify specific protocol blocks inside the 00068 * list. 00069 */ 00070 typedef int32_t libnet_ptag_t; 00071 #define LIBNET_PTAG_INITIALIZER 0 00072 00073 00074 /* 00075 * Libnet generic protocol block memory object. Sort of a poor man's mbuf. 00076 */ 00077 struct libnet_protocol_block 00078 { 00079 uint8_t *buf; /* protocol buffer */ 00080 uint32_t b_len; /* length of buf */ 00081 uint16_t h_len; /* header length */ 00082 /* Passed as last argument to libnet_do_checksum(). Not necessarily used 00083 * by that function, it is essentially a pblock specific number, passed 00084 * from _builder to the _do_checksum 00085 * 00086 * Unused for IPV4_H block types. 00087 * 00088 * For protocols that sit on top of IP, it should be the the amount of 00089 * buf that will be included in the checksum, starting from the beginning 00090 * of the header. 00091 */ 00092 uint32_t copied; /* bytes copied - the amount of data copied into buf */ 00093 /* Used and updated by libnet_pblock_append(). */ 00094 uint8_t type; /* type of pblock */ 00095 /* this needs to be updated every time a new packet builder is added */ 00096 /* libnet_diag_dump_pblock_type() also needs updating for every new pblock tag */ 00097 #define LIBNET_PBLOCK_ARP_H 0x01 /* ARP header */ 00098 #define LIBNET_PBLOCK_DHCPV4_H 0x02 /* DHCP v4 header */ 00099 #define LIBNET_PBLOCK_DNSV4_H 0x03 /* DNS v4 header */ 00100 #define LIBNET_PBLOCK_ETH_H 0x04 /* Ethernet header */ 00101 #define LIBNET_PBLOCK_ICMPV4_H 0x05 /* ICMP v4 base header */ 00102 #define LIBNET_PBLOCK_ICMPV4_ECHO_H 0x06 /* ICMP v4 echo header */ 00103 #define LIBNET_PBLOCK_ICMPV4_MASK_H 0x07 /* ICMP v4 mask header */ 00104 #define LIBNET_PBLOCK_ICMPV4_UNREACH_H 0x08 /* ICMP v4 unreach header */ 00105 #define LIBNET_PBLOCK_ICMPV4_TIMXCEED_H 0x09 /* ICMP v4 exceed header */ 00106 #define LIBNET_PBLOCK_ICMPV4_REDIRECT_H 0x0a /* ICMP v4 redirect header */ 00107 #define LIBNET_PBLOCK_ICMPV4_TS_H 0x0b /* ICMP v4 timestamp header */ 00108 #define LIBNET_PBLOCK_IGMP_H 0x0c /* IGMP header */ 00109 #define LIBNET_PBLOCK_IPV4_H 0x0d /* IP v4 header */ 00110 #define LIBNET_PBLOCK_IPO_H 0x0e /* IP v4 options */ 00111 #define LIBNET_PBLOCK_IPDATA 0x0f /* IP data */ 00112 #define LIBNET_PBLOCK_OSPF_H 0x10 /* OSPF base header */ 00113 #define LIBNET_PBLOCK_OSPF_HELLO_H 0x11 /* OSPF hello header */ 00114 #define LIBNET_PBLOCK_OSPF_DBD_H 0x12 /* OSPF dbd header */ 00115 #define LIBNET_PBLOCK_OSPF_LSR_H 0x13 /* OSPF lsr header */ 00116 #define LIBNET_PBLOCK_OSPF_LSU_H 0x14 /* OSPF lsu header */ 00117 #define LIBNET_PBLOCK_OSPF_LSA_H 0x15 /* OSPF lsa header */ 00118 #define LIBNET_PBLOCK_OSPF_AUTH_H 0x16 /* OSPF auth header */ 00119 #define LIBNET_PBLOCK_OSPF_CKSUM 0x17 /* OSPF checksum header */ 00120 #define LIBNET_PBLOCK_LS_RTR_H 0x18 /* linkstate rtr header */ 00121 #define LIBNET_PBLOCK_LS_NET_H 0x19 /* linkstate net header */ 00122 #define LIBNET_PBLOCK_LS_SUM_H 0x1a /* linkstate as sum header */ 00123 #define LIBNET_PBLOCK_LS_AS_EXT_H 0x1b /* linkstate as ext header */ 00124 #define LIBNET_PBLOCK_NTP_H 0x1c /* NTP header */ 00125 #define LIBNET_PBLOCK_RIP_H 0x1d /* RIP header */ 00126 #define LIBNET_PBLOCK_TCP_H 0x1e /* TCP header */ 00127 #define LIBNET_PBLOCK_TCPO_H 0x1f /* TCP options */ 00128 #define LIBNET_PBLOCK_TCPDATA 0x20 /* TCP data */ 00129 #define LIBNET_PBLOCK_UDP_H 0x21 /* UDP header */ 00130 #define LIBNET_PBLOCK_VRRP_H 0x22 /* VRRP header */ 00131 #define LIBNET_PBLOCK_DATA_H 0x23 /* generic data */ 00132 #define LIBNET_PBLOCK_CDP_H 0x24 /* CDP header */ 00133 #define LIBNET_PBLOCK_IPSEC_ESP_HDR_H 0x25 /* IPSEC ESP header */ 00134 #define LIBNET_PBLOCK_IPSEC_ESP_FTR_H 0x26 /* IPSEC ESP footer */ 00135 #define LIBNET_PBLOCK_IPSEC_AH_H 0x27 /* IPSEC AH header */ 00136 #define LIBNET_PBLOCK_802_1Q_H 0x28 /* 802.1q header */ 00137 #define LIBNET_PBLOCK_802_2_H 0x29 /* 802.2 header */ 00138 #define LIBNET_PBLOCK_802_2SNAP_H 0x2a /* 802.2 SNAP header */ 00139 #define LIBNET_PBLOCK_802_3_H 0x2b /* 802.3 header */ 00140 #define LIBNET_PBLOCK_STP_CONF_H 0x2c /* STP configuration header */ 00141 #define LIBNET_PBLOCK_STP_TCN_H 0x2d /* STP TCN header */ 00142 #define LIBNET_PBLOCK_ISL_H 0x2e /* ISL header */ 00143 #define LIBNET_PBLOCK_IPV6_H 0x2f /* IP v6 header */ 00144 #define LIBNET_PBLOCK_802_1X_H 0x30 /* 802.1x header */ 00145 #define LIBNET_PBLOCK_RPC_CALL_H 0x31 /* RPC Call header */ 00146 #define LIBNET_PBLOCK_MPLS_H 0x32 /* MPLS header */ 00147 #define LIBNET_PBLOCK_FDDI_H 0x33 /* FDDI header */ 00148 #define LIBNET_PBLOCK_TOKEN_RING_H 0x34 /* TOKEN RING header */ 00149 #define LIBNET_PBLOCK_BGP4_HEADER_H 0x35 /* BGP4 header */ 00150 #define LIBNET_PBLOCK_BGP4_OPEN_H 0x36 /* BGP4 open header */ 00151 #define LIBNET_PBLOCK_BGP4_UPDATE_H 0x37 /* BGP4 update header */ 00152 #define LIBNET_PBLOCK_BGP4_NOTIFICATION_H 0x38 /* BGP4 notification header */ 00153 #define LIBNET_PBLOCK_GRE_H 0x39 /* GRE header */ 00154 #define LIBNET_PBLOCK_GRE_SRE_H 0x3a /* GRE SRE header */ 00155 #define LIBNET_PBLOCK_IPV6_FRAG_H 0x3b /* IPv6 frag header */ 00156 #define LIBNET_PBLOCK_IPV6_ROUTING_H 0x3c /* IPv6 routing header */ 00157 #define LIBNET_PBLOCK_IPV6_DESTOPTS_H 0x3d /* IPv6 dest opts header */ 00158 #define LIBNET_PBLOCK_IPV6_HBHOPTS_H 0x3e /* IPv6 hop/hop opts header */ 00159 #define LIBNET_PBLOCK_SEBEK_H 0x3f /* Sebek header */ 00160 #define LIBNET_PBLOCK_HSRP_H 0x40 /* HSRP header */ 00161 #define LIBNET_PBLOCK_ICMPV6_H 0x41 /* ICMPv6 header (unused) */ 00162 #define LIBNET_PBLOCK_ICMPV6_ECHO_H 0x46 /* ICMPv6 echo header */ 00163 #define LIBNET_PBLOCK_ICMPV6_UNREACH_H 0x42 /* ICMPv6 unreach header */ 00164 #define LIBNET_PBLOCK_ICMPV6_NDP_NSOL_H 0x43 /* ICMPv6 NDP neighbor solicitation header */ 00165 #define LIBNET_PBLOCK_ICMPV6_NDP_NADV_H 0x44 /* ICMPv6 NDP neighbor advertisement header */ 00166 #define LIBNET_PBLOCK_ICMPV6_NDP_OPT_H 0x45 /* ICMPv6 NDP option */ 00167 00168 uint8_t flags; /* control flags */ 00169 #define LIBNET_PBLOCK_DO_CHECKSUM 0x01 /* needs a checksum */ 00170 libnet_ptag_t ptag; /* protocol block tag */ 00171 /* Chains are built from highest level protocol, towards the link level, so 00172 * prev traverses away from link level, and next traverses towards the 00173 * link level. 00174 */ 00175 struct libnet_protocol_block *next; /* next pblock */ 00176 struct libnet_protocol_block *prev; /* prev pblock */ 00177 }; 00178 typedef struct libnet_protocol_block libnet_pblock_t; 00179 00180 00181 /* 00182 * Libnet context 00183 * Opaque structure. Nothing in here should ever been touched first hand by 00184 * the applications programmer. 00185 */ 00186 struct libnet_context 00187 { 00188 #if ((__WIN32__) && !(__CYGWIN__)) 00189 SOCKET fd; 00190 LPADAPTER lpAdapter; 00191 #else 00192 int fd; /* file descriptor of packet device */ 00193 #endif 00194 int injection_type; /* one of: */ 00195 #define LIBNET_NONE 0xf8 /* no injection type, only construct packets */ 00196 #define LIBNET_LINK 0x00 /* link-layer interface */ 00197 #define LIBNET_RAW4 0x01 /* raw socket interface (ipv4) */ 00198 #define LIBNET_RAW6 0x02 /* raw socket interface (ipv6) */ 00199 /* the following should actually set a flag in the flags variable above */ 00200 #define LIBNET_LINK_ADV 0x08 /* advanced mode link-layer */ 00201 #define LIBNET_RAW4_ADV 0x09 /* advanced mode raw socket (ipv4) */ 00202 #define LIBNET_RAW6_ADV 0x0a /* advanced mode raw socket (ipv6) */ 00203 #define LIBNET_ADV_MASK 0x08 /* mask to determine adv mode */ 00204 00205 /* _blocks is the highest level, and _end is closest to link-level */ 00206 libnet_pblock_t *protocol_blocks; /* protocol headers / data */ 00207 libnet_pblock_t *pblock_end; /* last node in list */ 00208 uint32_t n_pblocks; /* number of pblocks */ 00209 00210 int link_type; /* link-layer type, a DLT_ value. */ 00211 /* These are the only values used by libnet (see libnet_build_arp and 00212 * libnet_build_link). Other values are assigned by the various 00213 * libnet_link_*.c OS support functions, but are not yet used or supported, 00214 * they are effectively dead code. <pcap.h> claims these two are invariant 00215 * across operating systems... hopefully it is correct! 00216 */ 00217 #ifndef DLT_EN10MB 00218 # define DLT_EN10MB 1 /* Ethernet (10Mb) */ 00219 #endif 00220 #ifndef DLT_IEEE802 00221 # define DLT_IEEE802 6 /* IEEE 802 Networks */ 00222 #endif 00223 00224 int link_offset; /* link-layer header size */ 00225 int aligner; /* used to align packets */ 00226 char *device; /* device name */ 00227 00228 struct libnet_stats stats; /* statistics */ 00229 libnet_ptag_t ptag_state; /* state holder for pblock tag */ 00230 char label[LIBNET_LABEL_SIZE]; /* textual label for cq interface */ 00231 00232 char err_buf[LIBNET_ERRBUF_SIZE]; /* error buffer */ 00233 uint32_t total_size; /* total size */ 00234 }; 00235 typedef struct libnet_context libnet_t; 00236 00237 /* 00238 * Libnet context queue structure 00239 * Opaque structure. Nothing in here should ever been touched first hand by 00240 * the applications programmer. 00241 */ 00242 typedef struct _libnet_context_queue libnet_cq_t; 00243 struct _libnet_context_queue 00244 { 00245 libnet_t *context; /* pointer to libnet context */ 00246 libnet_cq_t *next; /* next node in the list */ 00247 libnet_cq_t *prev; /* previous node in the list */ 00248 }; 00249 00250 struct _libnet_context_queue_descriptor 00251 { 00252 uint32_t node; /* number of nodes in the list */ 00253 uint32_t cq_lock; /* lock status */ 00254 libnet_cq_t *current; /* current context */ 00255 }; 00256 typedef struct _libnet_context_queue_descriptor libnet_cqd_t; 00257 00258 #endif /* __LIBNET_STRUCTURES_H */ 00259 00260 /* EOF */