/* $NetBSD: ipresend.c,v 1.3 2018/02/04 08:19:42 mrg Exp $ */ /* * ipresend.c (C) 1995-1998 Darren Reed * * See the IPFILTER.LICENCE file for details on licencing. * */ #if !defined(lint) static __attribute__((__used__)) const char sccsid[] = "%W% %G% (C)1995 Darren Reed"; static __attribute__((__used__)) const char rcsid[] = "@(#)Id: ipresend.c,v 1.1.1.2 2012/07/22 13:44:36 darrenr Exp $"; #endif #include #include #include #include #include #include #include #include #ifndef linux #include #endif #include #include #include #include #include #include "ipsend.h" extern char *optarg; extern int optind; #ifndef NO_IPF extern struct ipread pcap, iphex, iptext; #endif int opts = 0; #ifndef DEFAULT_DEVICE # ifdef linux char default_device[] = "eth0"; # else # ifdef sun char default_device[] = "le0"; # else # ifdef ultrix char default_device[] = "ln0"; # else # ifdef __bsdi__ char default_device[] = "ef0"; # else # ifdef __sgi char default_device[] = "ec0"; # else char default_device[] = "lan0"; # endif # endif # endif # endif # endif #else char default_device[] = DEFAULT_DEVICE; #endif static void usage __P((char *)); int main __P((int, char **)); static void usage(prog) char *prog; { fprintf(stderr, "Usage: %s [options] <-r filename|-R filename>\n\ \t\t-r filename\tsnoop data file to resend\n\ \t\t-R filename\tlibpcap data file to resend\n\ \toptions:\n\ \t\t-d device\tSend out on this device\n\ \t\t-g gateway\tIP gateway to use if non-local dest.\n\ \t\t-m mtu\t\tfake MTU to use when sending out\n\ ", prog); exit(1); } int main(argc, argv) int argc; char **argv; { struct in_addr gwip; struct ipread *ipr = NULL; char *name = argv[0], *gateway = NULL, *dev = NULL; char *resend = NULL; int mtu = 1500, c; while ((c = getopt(argc, argv, "EHPRSTXd:g:m:r:")) != -1) switch (c) { case 'd' : dev = optarg; break; case 'g' : gateway = optarg; break; case 'm' : mtu = atoi(optarg); if (mtu < 28) { fprintf(stderr, "mtu must be > 28\n"); exit(1); } case 'r' : resend = optarg; break; case 'R' : opts |= OPT_RAW; break; #ifndef NO_IPF case 'H' : ipr = &iphex; break; case 'P' : ipr = &pcap; break; case 'X' : ipr = &iptext; break; #endif default : fprintf(stderr, "Unknown option \"%c\"\n", c); usage(name); } if (!ipr || !resend) usage(name); gwip.s_addr = 0; if (gateway && resolve(gateway, (char *)&gwip) == -1) { fprintf(stderr,"Cant resolve %s\n", gateway); exit(2); } if (!dev) dev = default_device; printf("Device: %s\n", dev); printf("Gateway: %s\n", inet_ntoa(gwip)); printf("mtu: %d\n", mtu); return ip_resend(dev, mtu, ipr, gwip, resend); }