4 * ipsend.c (C) 1995-1998 Darren Reed
6 * See the IPFILTER.LICENCE file for details on licencing.
10 static const char sccsid[] = "%W% %G% (C)1995 Darren Reed";
11 static const char rcsid[] = "@(#)$Id$";
13 #include <sys/param.h>
14 #include <sys/types.h>
16 #include <sys/socket.h>
17 #include <netinet/in.h>
18 #include <arpa/inet.h>
19 #include <netinet/in_systm.h>
20 #include <netinet/ip.h>
21 #include <netinet/ip_var.h>
35 char default_device[] = "le0";
38 char default_device[] = "ln0";
41 char default_device[] = "ef0";
43 char default_device[] = "lan0";
48 static void usage __P((char *));
49 int main __P((int, char **));
52 static void usage(prog)
55 fprintf(stderr, "Usage: %s [options] dest\n\
57 \t\t-d device\tSend out on this device\n\
58 \t\t-g gateway\tIP gateway to use if non-local dest.\n\
59 \t\t-m mtu\t\tfake MTU to use when sending out\n\
61 \t\t-s src\t\tsource address for IP packet\n\
62 \t\t-1 \t\tPerform test 1 (IP header)\n\
63 \t\t-2 \t\tPerform test 2 (IP options)\n\
64 \t\t-3 \t\tPerform test 3 (ICMP)\n\
65 \t\t-4 \t\tPerform test 4 (UDP)\n\
66 \t\t-5 \t\tPerform test 5 (TCP)\n\
67 \t\t-6 \t\tPerform test 6 (overlapping fragments)\n\
68 \t\t-7 \t\tPerform test 7 (random packets)\n\
81 char *name = argv[0], host[MAXHOSTNAMELEN + 1];
82 char *gateway = NULL, *dev = NULL;
83 char *src = NULL, *dst;
84 int mtu = 1500, tests = 0, pointtest = 0, c;
87 * 65535 is maximum packet size...you never know...
89 ip = (ip_t *)calloc(1, 65536);
90 ti = (struct tcpiphdr *)ip;
91 ip->ip_len = sizeof(*ip);
92 IP_HL_A(ip, sizeof(*ip) >> 2);
94 while ((c = getopt(argc, argv, "1234567d:g:m:p:s:")) != -1)
116 fprintf(stderr, "mtu must be > 28\n");
121 pointtest = atoi(optarg);
127 fprintf(stderr, "Unknown option \"%c\"\n", c);
131 if ((argc <= optind) || !argv[optind])
133 dst = argv[optind++];
137 gethostname(host, sizeof(host));
138 host[sizeof(host) - 1] = '\0';
142 if (resolve(dst, (char *)&ip->ip_dst) == -1)
144 fprintf(stderr,"Cant resolve %s\n", dst);
148 if (resolve(src, (char *)&ip->ip_src) == -1)
150 fprintf(stderr,"Cant resolve %s\n", src);
156 else if (resolve(gateway, (char *)&gwip) == -1)
158 fprintf(stderr,"Cant resolve %s\n", gateway);
164 dev = default_device;
165 printf("Device: %s\n", dev);
166 printf("Source: %s\n", inet_ntoa(ip->ip_src));
167 printf("Dest: %s\n", inet_ntoa(ip->ip_dst));
168 printf("Gateway: %s\n", inet_ntoa(gwip));
169 printf("mtu: %d\n", mtu);
174 ip_test1(dev, mtu, (ip_t *)ti, gwip, pointtest);
177 ip_test2(dev, mtu, (ip_t *)ti, gwip, pointtest);
180 ip_test3(dev, mtu, (ip_t *)ti, gwip, pointtest);
183 ip_test4(dev, mtu, (ip_t *)ti, gwip, pointtest);
186 ip_test5(dev, mtu, (ip_t *)ti, gwip, pointtest);
189 ip_test6(dev, mtu, (ip_t *)ti, gwip, pointtest);
192 ip_test7(dev, mtu, (ip_t *)ti, gwip, pointtest);
195 ip_test1(dev, mtu, (ip_t *)ti, gwip, pointtest);
196 ip_test2(dev, mtu, (ip_t *)ti, gwip, pointtest);
197 ip_test3(dev, mtu, (ip_t *)ti, gwip, pointtest);
198 ip_test4(dev, mtu, (ip_t *)ti, gwip, pointtest);
199 ip_test5(dev, mtu, (ip_t *)ti, gwip, pointtest);
200 ip_test6(dev, mtu, (ip_t *)ti, gwip, pointtest);
201 ip_test7(dev, mtu, (ip_t *)ti, gwip, pointtest);