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/* * $Id: libnet-structures.h,v 1.18 2004/03/16 18:40:58 mike Exp $ * * libnet-structures.h - Network routine library structures header file * * Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #ifndef __LIBNET_STRUCTURES_H #define __LIBNET_STRUCTURES_H #if ((__WIN32__) && !(__CYGWIN__)) #include "Packet32.h" #endif /* port list chain structure */ typedef struct libnet_port_list_chain libnet_plist_t; struct libnet_port_list_chain { u_int16_t node; /* node number */ u_int16_t bport; /* beggining port */ u_int16_t eport; /* terminating port */ u_int8_t id; /* global array offset */ libnet_plist_t *next; /* next node in the list */ }; /* libnet statistics structure */ struct libnet_stats { #if (!defined(__WIN32__) || (__CYGWIN__)) u_int64_t packets_sent; /* packets sent */ u_int64_t packet_errors; /* packets errors */ u_int64_t bytes_written; /* bytes written */ #else __int64 packets_sent; /* packets sent */ __int64 packet_errors; /* packets errors */ __int64 bytes_written; /* bytes written */ #endif }; /* * Libnet ptags are how we identify specific protocol blocks inside the * list. */ typedef int32_t libnet_ptag_t; #define LIBNET_PTAG_INITIALIZER 0 /* * Libnet generic protocol block memory object. Sort of a poor man's mbuf. */ struct libnet_protocol_block { u_int8_t *buf; /* protocol buffer */ u_int32_t b_len; /* length of buf */ u_int16_t h_len; /* header length (for checksumming) */ u_int32_t ip_offset; /* offset to IP header for csums */ u_int32_t copied; /* bytes copied */ u_int8_t type; /* type of pblock */ /* this needs to be updated every time a new packet builder is added */ #define LIBNET_PBLOCK_ARP_H 0x01 /* ARP header */ #define LIBNET_PBLOCK_DHCPV4_H 0x02 /* DHCP v4 header */ #define LIBNET_PBLOCK_DNSV4_H 0x03 /* DNS v4 header */ #define LIBNET_PBLOCK_ETH_H 0x04 /* Ethernet header */ #define LIBNET_PBLOCK_ICMPV4_H 0x05 /* ICMP v4 base header */ #define LIBNET_PBLOCK_ICMPV4_ECHO_H 0x06 /* ICMP v4 echo header */ #define LIBNET_PBLOCK_ICMPV4_MASK_H 0x07 /* ICMP v4 mask header */ #define LIBNET_PBLOCK_ICMPV4_UNREACH_H 0x08 /* ICMP v4 unreach header */ #define LIBNET_PBLOCK_ICMPV4_TIMXCEED_H 0x09 /* ICMP v4 exceed header */ #define LIBNET_PBLOCK_ICMPV4_REDIRECT_H 0x0a /* ICMP v4 redirect header */ #define LIBNET_PBLOCK_ICMPV4_TS_H 0x0b /* ICMP v4 timestamp header */ #define LIBNET_PBLOCK_IGMP_H 0x0c /* IGMP header */ #define LIBNET_PBLOCK_IPV4_H 0x0d /* IP v4 header */ #define LIBNET_PBLOCK_IPO_H 0x0e /* IP v4 options */ #define LIBNET_PBLOCK_IPDATA 0x0f /* IP data */ #define LIBNET_PBLOCK_OSPF_H 0x10 /* OSPF base header */ #define LIBNET_PBLOCK_OSPF_HELLO_H 0x11 /* OSPF hello header */ #define LIBNET_PBLOCK_OSPF_DBD_H 0x12 /* OSPF dbd header */ #define LIBNET_PBLOCK_OSPF_LSR_H 0x13 /* OSPF lsr header */ #define LIBNET_PBLOCK_OSPF_LSU_H 0x14 /* OSPF lsu header */ #define LIBNET_PBLOCK_OSPF_LSA_H 0x15 /* OSPF lsa header */ #define LIBNET_PBLOCK_OSPF_AUTH_H 0x16 /* OSPF auth header */ #define LIBNET_PBLOCK_OSPF_CKSUM 0x17 /* OSPF checksum header */ #define LIBNET_PBLOCK_LS_RTR_H 0x18 /* linkstate rtr header */ #define LIBNET_PBLOCK_LS_NET_H 0x19 /* linkstate net header */ #define LIBNET_PBLOCK_LS_SUM_H 0x1a /* linkstate as sum header */ #define LIBNET_PBLOCK_LS_AS_EXT_H 0x1b /* linkstate as ext header */ #define LIBNET_PBLOCK_NTP_H 0x1c /* NTP header */ #define LIBNET_PBLOCK_RIP_H 0x1d /* RIP header */ #define LIBNET_PBLOCK_TCP_H 0x1e /* TCP header */ #define LIBNET_PBLOCK_TCPO_H 0x1f /* TCP options */ #define LIBNET_PBLOCK_TCPDATA 0x20 /* TCP data */ #define LIBNET_PBLOCK_UDP_H 0x21 /* UDP header */ #define LIBNET_PBLOCK_VRRP_H 0x22 /* VRRP header */ #define LIBNET_PBLOCK_DATA_H 0x23 /* generic data */ #define LIBNET_PBLOCK_CDP_H 0x24 /* CDP header */ #define LIBNET_PBLOCK_IPSEC_ESP_HDR_H 0x25 /* IPSEC ESP header */ #define LIBNET_PBLOCK_IPSEC_ESP_FTR_H 0x26 /* IPSEC ESP footer */ #define LIBNET_PBLOCK_IPSEC_AH_H 0x27 /* IPSEC AH header */ #define LIBNET_PBLOCK_802_1Q_H 0x28 /* 802.1q header */ #define LIBNET_PBLOCK_802_2_H 0x29 /* 802.2 header */ #define LIBNET_PBLOCK_802_2SNAP_H 0x2a /* 802.2 SNAP header */ #define LIBNET_PBLOCK_802_3_H 0x2b /* 802.3 header */ #define LIBNET_PBLOCK_STP_CONF_H 0x2c /* STP configuration header */ #define LIBNET_PBLOCK_STP_TCN_H 0x2d /* STP TCN header */ #define LIBNET_PBLOCK_ISL_H 0x2e /* ISL header */ #define LIBNET_PBLOCK_IPV6_H 0x2f /* IP v6 header */ #define LIBNET_PBLOCK_802_1X_H 0x30 /* 802.1x header */ #define LIBNET_PBLOCK_RPC_CALL_H 0x31 /* RPC Call header */ #define LIBNET_PBLOCK_MPLS_H 0x32 /* MPLS header */ #define LIBNET_PBLOCK_FDDI_H 0x33 /* FDDI header */ #define LIBNET_PBLOCK_TOKEN_RING_H 0x34 /* TOKEN RING header */ #define LIBNET_PBLOCK_BGP4_HEADER_H 0x35 /* BGP4 header */ #define LIBNET_PBLOCK_BGP4_OPEN_H 0x36 /* BGP4 open header */ #define LIBNET_PBLOCK_BGP4_UPDATE_H 0x37 /* BGP4 update header */ #define LIBNET_PBLOCK_BGP4_NOTIFICATION_H 0x38 /* BGP4 notification header */ #define LIBNET_PBLOCK_GRE_H 0x39 /* GRE header */ #define LIBNET_PBLOCK_GRE_SRE_H 0x3a /* GRE SRE header */ #define LIBNET_PBLOCK_IPV6_FRAG_H 0x3b /* IPv6 frag header */ #define LIBNET_PBLOCK_IPV6_ROUTING_H 0x3c /* IPv6 routing header */ #define LIBNET_PBLOCK_IPV6_DESTOPTS_H 0x3d /* IPv6 dest opts header */ #define LIBNET_PBLOCK_IPV6_HBHOPTS_H 0x3e /* IPv6 hop/hop opts header */ #define LIBNET_PBLOCK_SEBEK_H 0x3f /* Sebek header */ u_int8_t flags; /* control flags */ #define LIBNET_PBLOCK_DO_CHECKSUM 0x01 /* needs a checksum */ libnet_ptag_t ptag; /* protocol block tag */ struct libnet_protocol_block *next; /* next pblock */ struct libnet_protocol_block *prev; /* prev pblock */ }; typedef struct libnet_protocol_block libnet_pblock_t; /* * Libnet context * Opaque structure. Nothing in here should ever been touched first hand by * the applications programmer. */ struct libnet_context { #if ((__WIN32__) && !(__CYGWIN__)) SOCKET fd; LPADAPTER lpAdapter; #else int fd; /* file descriptor of packet device */ #endif int injection_type; /* raw (ipv4 or ipv6) or link */ #define LIBNET_LINK 0x00 /* link-layer interface */ #define LIBNET_RAW4 0x01 /* raw socket interface (ipv4) */ #define LIBNET_RAW6 0x02 /* raw socket interface (ipv6) */ /* the following should actually set a flag in the flags variable above */ #define LIBNET_LINK_ADV 0x08 /* advanced mode link-layer */ #define LIBNET_RAW4_ADV 0x09 /* advanced mode raw socket (ipv4) */ #define LIBNET_RAW6_ADV 0x0a /* advanced mode raw socket (ipv6) */ #define LIBNET_ADV_MASK 0x08 /* mask to determine adv mode */ libnet_pblock_t *protocol_blocks; /* protocol headers / data */ libnet_pblock_t *pblock_end; /* last node in list */ u_int32_t n_pblocks; /* number of pblocks */ int link_type; /* link-layer type */ int link_offset; /* link-layer header size */ int aligner; /* used to align packets */ char *device; /* device name */ struct libnet_stats stats; /* statistics */ libnet_ptag_t ptag_state; /* state holder for pblock tag */ char label[LIBNET_LABEL_SIZE]; /* textual label for cq interface */ char err_buf[LIBNET_ERRBUF_SIZE]; /* error buffer */ u_int32_t total_size; /* total size */ }; typedef struct libnet_context libnet_t; /* * Libnet context queue structure * Opaque structure. Nothing in here should ever been touched first hand by * the applications programmer. */ typedef struct _libnet_context_queue libnet_cq_t; struct _libnet_context_queue { libnet_t *context; /* pointer to libnet context */ libnet_cq_t *next; /* next node in the list */ libnet_cq_t *prev; /* previous node in the list */ }; struct _libnet_context_queue_descriptor { u_int32_t node; /* number of nodes in the list */ u_int32_t cq_lock; /* lock status */ libnet_cq_t *current; /* current context */ }; typedef struct _libnet_context_queue_descriptor libnet_cqd_t; #endif /* __LIBNET_STRUCTURES_H */ /* EOF */