/*
* $Id: libnet-structures.h,v 1.19 2004/11/09 07:05:07 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
{
uint16_t node; /* node number */
uint16_t bport; /* beggining port */
uint16_t eport; /* terminating port */
uint8_t id; /* global array offset */
libnet_plist_t *next; /* next node in the list */
};
/* libnet statistics structure */
struct libnet_stats
{
#if (!defined(__WIN32__) || (__CYGWIN__))
uint64_t packets_sent; /* packets sent */
uint64_t packet_errors; /* packets errors */
uint64_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
{
uint8_t *buf; /* protocol buffer */
uint32_t b_len; /* length of buf */
uint16_t h_len; /* header length */
/* Passed as last argument to libnet_do_checksum(). Not necessarily used
* by that function, it is essentially a pblock specific number, passed
* from _builder to the _do_checksum
*
* Unused for IPV4_H block types.
*
* For protocols that sit on top of IP, it should be the the amount of
* buf that will be included in the checksum, starting from the beginning
* of the header.
*/
uint32_t copied; /* bytes copied - the amount of data copied into buf */
/* Used and updated by libnet_pblock_append(). */
uint8_t type; /* type of pblock */
/* this needs to be updated every time a new packet builder is added */
/* libnet_diag_dump_pblock_type() also needs updating for every new pblock tag */
#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 */
#define LIBNET_PBLOCK_HSRP_H 0x40 /* HSRP header */
#define LIBNET_PBLOCK_ICMPV6_H 0x41 /* ICMPv6 header (unused) */
#define LIBNET_PBLOCK_ICMPV6_ECHO_H 0x46 /* ICMPv6 echo header */
#define LIBNET_PBLOCK_ICMPV6_UNREACH_H 0x42 /* ICMPv6 unreach header */
#define LIBNET_PBLOCK_ICMPV6_NDP_NSOL_H 0x43 /* ICMPv6 NDP neighbor solicitation header */
#define LIBNET_PBLOCK_ICMPV6_NDP_NADV_H 0x44 /* ICMPv6 NDP neighbor advertisement header */
#define LIBNET_PBLOCK_ICMPV6_NDP_OPT_H 0x45 /* ICMPv6 NDP option */
uint8_t flags; /* control flags */
#define LIBNET_PBLOCK_DO_CHECKSUM 0x01 /* needs a checksum */
libnet_ptag_t ptag; /* protocol block tag */
/* Chains are built from highest level protocol, towards the link level, so
* prev traverses away from link level, and next traverses towards the
* link level.
*/
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; /* one of: */
#define LIBNET_NONE 0xf8 /* no injection type, only construct packets */
#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 */
/* _blocks is the highest level, and _end is closest to link-level */
libnet_pblock_t *protocol_blocks; /* protocol headers / data */
libnet_pblock_t *pblock_end; /* last node in list */
uint32_t n_pblocks; /* number of pblocks */
int link_type; /* link-layer type, a DLT_ value. */
/* These are the only values used by libnet (see libnet_build_arp and
* libnet_build_link). Other values are assigned by the various
* libnet_link_*.c OS support functions, but are not yet used or supported,
* they are effectively dead code. <pcap.h> claims these two are invariant
* across operating systems... hopefully it is correct!
*/
#ifndef DLT_EN10MB
# define DLT_EN10MB 1 /* Ethernet (10Mb) */
#endif
#ifndef DLT_IEEE802
# define DLT_IEEE802 6 /* IEEE 802 Networks */
#endif
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 */
uint32_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
{
uint32_t node; /* number of nodes in the list */
uint32_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 */