diff options
Diffstat (limited to 'ipsend/iptest.c')
| -rw-r--r-- | ipsend/iptest.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/ipsend/iptest.c b/ipsend/iptest.c new file mode 100644 index 0000000..000d1cc --- /dev/null +++ b/ipsend/iptest.c @@ -0,0 +1,216 @@ +/* + * ipsend.c (C) 1995-1998 Darren Reed + * + * See the IPFILTER.LICENCE file for details on licencing. + * + */ +#if !defined(lint) +static const char sccsid[] = "%W% %G% (C)1995 Darren Reed"; +static const char rcsid[] = "@(#)$Id: iptest.c,v 2.6 2004/01/08 13:34:31 darrenr Exp $"; +#endif +#include <sys/param.h> +#include <sys/types.h> +#include <sys/time.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#ifndef linux +#include <netinet/ip_var.h> +#endif +#ifdef linux +#include <linux/sockios.h> +#endif +#include <stdio.h> +#include <netdb.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include "ipsend.h" + + +extern char *optarg; +extern int optind; + +char options[68]; +#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 + +static void usage __P((char *)); +int main __P((int, char **)); + + +static void usage(prog) +char *prog; +{ + fprintf(stderr, "Usage: %s [options] dest\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\ +\t\t-p pointtest\t\n\ +\t\t-s src\t\tsource address for IP packet\n\ +\t\t-1 \t\tPerform test 1 (IP header)\n\ +\t\t-2 \t\tPerform test 2 (IP options)\n\ +\t\t-3 \t\tPerform test 3 (ICMP)\n\ +\t\t-4 \t\tPerform test 4 (UDP)\n\ +\t\t-5 \t\tPerform test 5 (TCP)\n\ +\t\t-6 \t\tPerform test 6 (overlapping fragments)\n\ +\t\t-7 \t\tPerform test 7 (random packets)\n\ +", prog); + exit(1); +} + + +int main(argc, argv) +int argc; +char **argv; +{ + struct tcpiphdr *ti; + struct in_addr gwip; + ip_t *ip; + char *name = argv[0], host[MAXHOSTNAMELEN + 1]; + char *gateway = NULL, *dev = NULL; + char *src = NULL, *dst; + int mtu = 1500, tests = 0, pointtest = 0, c; + + /* + * 65535 is maximum packet size...you never know... + */ + ip = (ip_t *)calloc(1, 65536); + ti = (struct tcpiphdr *)ip; + ip->ip_len = sizeof(*ip); + IP_HL_A(ip, sizeof(*ip) >> 2); + + while ((c = getopt(argc, argv, "1234567d:g:m:p:s:")) != -1) + switch (c) + { + case '1' : + case '2' : + case '3' : + case '4' : + case '5' : + case '6' : + case '7' : + tests = c - '0'; + break; + 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); + } + break; + case 'p' : + pointtest = atoi(optarg); + break; + case 's' : + src = optarg; + break; + default : + fprintf(stderr, "Unknown option \"%c\"\n", c); + usage(name); + } + + if ((argc <= optind) || !argv[optind]) + usage(name); + dst = argv[optind++]; + + if (!src) + { + gethostname(host, sizeof(host)); + host[sizeof(host) - 1] = '\0'; + src = host; + } + + if (resolve(dst, (char *)&ip->ip_dst) == -1) + { + fprintf(stderr,"Cant resolve %s\n", dst); + exit(2); + } + + if (resolve(src, (char *)&ip->ip_src) == -1) + { + fprintf(stderr,"Cant resolve %s\n", src); + exit(2); + } + + if (!gateway) + gwip = ip->ip_dst; + else if (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("Source: %s\n", inet_ntoa(ip->ip_src)); + printf("Dest: %s\n", inet_ntoa(ip->ip_dst)); + printf("Gateway: %s\n", inet_ntoa(gwip)); + printf("mtu: %d\n", mtu); + + switch (tests) + { + case 1 : + ip_test1(dev, mtu, (ip_t *)ti, gwip, pointtest); + break; + case 2 : + ip_test2(dev, mtu, (ip_t *)ti, gwip, pointtest); + break; + case 3 : + ip_test3(dev, mtu, (ip_t *)ti, gwip, pointtest); + break; + case 4 : + ip_test4(dev, mtu, (ip_t *)ti, gwip, pointtest); + break; + case 5 : + ip_test5(dev, mtu, (ip_t *)ti, gwip, pointtest); + break; + case 6 : + ip_test6(dev, mtu, (ip_t *)ti, gwip, pointtest); + break; + case 7 : + ip_test7(dev, mtu, (ip_t *)ti, gwip, pointtest); + break; + default : + ip_test1(dev, mtu, (ip_t *)ti, gwip, pointtest); + ip_test2(dev, mtu, (ip_t *)ti, gwip, pointtest); + ip_test3(dev, mtu, (ip_t *)ti, gwip, pointtest); + ip_test4(dev, mtu, (ip_t *)ti, gwip, pointtest); + ip_test5(dev, mtu, (ip_t *)ti, gwip, pointtest); + ip_test6(dev, mtu, (ip_t *)ti, gwip, pointtest); + ip_test7(dev, mtu, (ip_t *)ti, gwip, pointtest); + break; + } + return 0; +} |
