/* $Id: tcpreplay.h,v 1.56 2004/05/01 22:55:12 aturner Exp $ */ /* * Copyright (c) 2001-2004 Aaron Turner, Matt Bing. * All rights reserved. * * Copyright (c) 1999 Anzen Computing. 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Anzen Computing, Inc. * 4. Neither the names of the copyright owners nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED ``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 AUTHORS OR COPYRIGHT HOLDERS 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 _TCPREPLAY_H_ #define _TCPREPLAY_H_ #ifdef HAVE_CONFIG_H #include "config.h" #endif /* HAVE_CONFIG_H */ #include #include #include #include "timer.h" #include "cache.h" /* Map libnet 1.1 structs to shorter names for internal use */ typedef libnet_t LIBNET; #define LIBNET_IP_H LIBNET_IPV4_H #define LIBNET_ICMP_H LIBNET_ICMPV4_H /* The release version of libnet 1.1.1 changed DNS */ #ifdef LIBNET_DNSV4_H #define LIBNET_DNS_H LIBNET_DNSV4_H #else #define LIBNET_DNS_H LIBNET_UDP_DNSV4_H #endif /* standardize all common header typedefs */ typedef struct libnet_ipv4_hdr ip_hdr_t; typedef struct libnet_dnsv4_hdr dns_hdr_t; typedef struct libnet_icmpv4_hdr icmp_hdr_t; typedef struct libnet_arp_hdr arp_hdr_t; typedef struct libnet_tcp_hdr tcp_hdr_t; typedef struct libnet_udp_hdr udp_hdr_t; typedef struct libnet_ethernet_hdr eth_hdr_t; /* is WORDS_BIGENDIAN defined in config.h? */ #ifndef WORDS_BIGENDIAN #define WORDS_BIGENDIAN 0 #endif #define DEFAULT_MTU 1500 /* Max Transmission Unit of standard ethernet * don't forget *frames* are MTU + L2 header! */ #define MAXPACKET 16436 /* MTU of Linux loopback */ /* run-time options */ struct options { LIBNET *intf1; LIBNET *intf2; pcap_t *listen1; pcap_t *listen2; pcap_t *savepcap; pcap_t *savepcap2; pcap_dumper_t *savedumper; pcap_dumper_t *savedumper2; char intf1_mac[ETHER_ADDR_LEN]; char intf2_mac[ETHER_ADDR_LEN]; char intf1_smac[ETHER_ADDR_LEN]; char intf2_smac[ETHER_ADDR_LEN]; int datadump_mode; int datadumpfile; int datadumpfile2; int break_percent; float rate; float mult; float packetrate; int one_at_a_time; int n_iter; int cache_packets; int no_martians; int topspeed; int fixchecksums; int cidr; int trunc; long int seed; int rewriteip; int mtu; int truncate; char **files; char *cache_files; u_int64_t offset; u_int64_t limit_send; char *bpf_filter; int bpf_optimize; int sniff_snaplen; int sniff_bridge; int promisc; int poll_timeout; int verbose_enabled; int one_output; char *tcpprep_comment; char break_type; }; #define RESOLVE 0 /* disable dns lookups */ #define BPF_OPTIMIZE 1 /* default is to optimize bpf program */ #define PCAP_TIMEOUT 100 /* 100ms pcap_open_live timeout */ #define TRUE 1 #define FALSE 0 #define EBUF_SIZE 256 /* size of our error buffers */ #define MAC_SIZE 7 /* size of the mac[] buffer */ #define CIDR_MODE 1 /* single pass, CIDR netblock */ #define REGEX_MODE 2 /* single pass, Regex */ #define AUTO_MODE 4 /* first pass through in auto mode */ #define PORT_MODE 8 /* single pass, use src/dst ports to split */ #define ROUTER_MODE 16 /* second pass through in router/auto mode */ #define BRIDGE_MODE 32 /* second pass through in bridge/auto mode */ #define SERVER_MODE 64 /* second pass through in client/auto mode */ #define CLIENT_MODE 128 /* second pass through in server/auto mode */ #define L2DATALEN 255 /* Max size of the L2 data file */ #define DNS_QUERY_FLAG 0x8000 #define SERVER 1 #define CLIENT 0 #define UNKNOWN -1 #define ANY 2 #define DEBUG_INFO 1 /* informational only, lessthan 1 line per packet */ #define DEBUG_BASIC 2 /* limited debugging, one line per packet */ #define DEBUG_DETAILED 3 /* more detailed, a few lines per packet */ #define DEBUG_CODE 4 /* examines code & values, many lines per packet */ #define PAD_PACKET 1 /* values for the 'uflag' in tcpreplay */ #define TRUNC_PACKET 2 #ifndef SWAPLONG #define SWAPLONG(y) \ ((((y)&0xff)<<24) | (((y)&0xff00)<<8) | (((y)&0xff0000)>>8) | (((y)>>24)&0xff)) #endif #ifndef SWAPSHORT #define SWAPSHORT(y) \ ( (((y)&0xff)<<8) | ((u_short)((y)&0xff00)>>8) ) #endif #define NULL_MAC "\0\0\0\0\0\0" #define BROADCAST_MAC "\FF\FF\FF\FF\FF\FF" /* MAC macros for printf */ #define MAC_FORMAT "%02X:%02X:%02X:%02X:%02X:%02X" #define MAC_STR(x) x[0], x[1], x[2], x[3], x[4], x[5] /* converts a 64bit int to network byte order */ #ifndef WORDS_BIGENDIAN #ifndef ntohll /* stolen from http://www.codeproject.com/cpp/endianness.asp */ #define ntohll(x) (((u_int64_t)(ntohl((int)((x << 32) >> 32))) << 32) | \ (unsigned int)ntohl(((int)(x >> 32)))) #define htonll(x) ntohll(x) #endif #else #define ntohll(x) (x) #define htonll(x) (x) #endif /* WORDS_BIGENDIAN */ #endif