efeb8bffe3
Convert ipfilter userland function declarations from K&R to ANSI. This syncs our function declarations with NetBSD hg commit 75edcd7552a0 (apply our changes). Though not copied from NetBSD, this change was partially inspired by NetBSD's work and inspired by style(9). Reviewed by: glebius (for #network) MFC after: 1 month Differential Revision: https://reviews.freebsd.org/D33595
133 lines
2.4 KiB
C
133 lines
2.4 KiB
C
/* $FreeBSD$ */
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/*
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* ipresend.c (C) 1995-1998 Darren Reed
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*
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* See the IPFILTER.LICENCE file for details on licencing.
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*
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*/
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#if !defined(lint)
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static const char sccsid[] = "%W% %G% (C)1995 Darren Reed";
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static const char rcsid[] = "@(#)$Id$";
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#endif
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip_var.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <netdb.h>
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#include <string.h>
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#include "ipsend.h"
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extern char *optarg;
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extern int optind;
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#ifndef NO_IPF
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extern struct ipread pcap, iphex, iptext;
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#endif
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int opts = 0;
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#ifndef DEFAULT_DEVICE
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# ifdef sun
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char default_device[] = "le0";
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# else
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char default_device[] = "lan0";
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# endif
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#else
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char default_device[] = DEFAULT_DEVICE;
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#endif
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static void usage(char *);
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int main(int, char **);
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static void usage(prog)
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char *prog;
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{
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fprintf(stderr, "Usage: %s [options] <-r filename|-R filename>\n\
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\t\t-r filename\tsnoop data file to resend\n\
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\t\t-R filename\tlibpcap data file to resend\n\
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\toptions:\n\
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\t\t-d device\tSend out on this device\n\
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\t\t-g gateway\tIP gateway to use if non-local dest.\n\
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\t\t-m mtu\t\tfake MTU to use when sending out\n\
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", prog);
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exit(1);
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}
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int
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main(int argc, char **argv)
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{
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struct in_addr gwip;
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struct ipread *ipr = NULL;
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char *name = argv[0], *gateway = NULL, *dev = NULL;
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char *resend = NULL;
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int mtu = 1500, c;
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while ((c = getopt(argc, argv, "EHPRSTXd:g:m:r:")) != -1)
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switch (c)
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{
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case 'd' :
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dev = optarg;
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break;
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case 'g' :
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gateway = optarg;
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break;
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case 'm' :
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mtu = atoi(optarg);
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if (mtu < 28)
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{
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fprintf(stderr, "mtu must be > 28\n");
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exit(1);
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}
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case 'r' :
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resend = optarg;
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break;
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case 'R' :
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opts |= OPT_RAW;
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break;
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#ifndef NO_IPF
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case 'H' :
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ipr = &iphex;
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break;
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case 'P' :
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ipr = &pcap;
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break;
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case 'X' :
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ipr = &iptext;
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break;
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#endif
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default :
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fprintf(stderr, "Unknown option \"%c\"\n", c);
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usage(name);
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}
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if (!ipr || !resend)
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usage(name);
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gwip.s_addr = 0;
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if (gateway && resolve(gateway, (char *)&gwip) == -1)
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{
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fprintf(stderr,"Cant resolve %s\n", gateway);
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exit(2);
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}
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if (!dev)
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dev = default_device;
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printf("Device: %s\n", dev);
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printf("Gateway: %s\n", inet_ntoa(gwip));
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printf("mtu: %d\n", mtu);
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return ip_resend(dev, mtu, ipr, gwip, resend);
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}
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