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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 */
-