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>
22 #include <netinet/ip_var.h>
25 #include <linux/sockios.h>
40 char default_device[] = "eth0";
43 char default_device[] = "le0";
46 char default_device[] = "ln0";
49 char default_device[] = "ef0";
52 char default_device[] = "ec0";
54 char default_device[] = "lan0";
61 static void usage __P((char *));
62 int main __P((int, char **));
65 static void usage(prog)
68 fprintf(stderr, "Usage: %s [options] dest\n\
70 \t\t-d device\tSend out on this device\n\
71 \t\t-g gateway\tIP gateway to use if non-local dest.\n\
72 \t\t-m mtu\t\tfake MTU to use when sending out\n\
74 \t\t-s src\t\tsource address for IP packet\n\
75 \t\t-1 \t\tPerform test 1 (IP header)\n\
76 \t\t-2 \t\tPerform test 2 (IP options)\n\
77 \t\t-3 \t\tPerform test 3 (ICMP)\n\
78 \t\t-4 \t\tPerform test 4 (UDP)\n\
79 \t\t-5 \t\tPerform test 5 (TCP)\n\
80 \t\t-6 \t\tPerform test 6 (overlapping fragments)\n\
81 \t\t-7 \t\tPerform test 7 (random packets)\n\
94 char *name = argv[0], host[MAXHOSTNAMELEN + 1];
95 char *gateway = NULL, *dev = NULL;
96 char *src = NULL, *dst;
97 int mtu = 1500, tests = 0, pointtest = 0, c;
100 * 65535 is maximum packet size...you never know...
102 ip = (ip_t *)calloc(1, 65536);
103 ti = (struct tcpiphdr *)ip;
104 ip->ip_len = sizeof(*ip);
105 IP_HL_A(ip, sizeof(*ip) >> 2);
107 while ((c = getopt(argc, argv, "1234567d:g:m:p:s:")) != -1)
129 fprintf(stderr, "mtu must be > 28\n");
134 pointtest = atoi(optarg);
140 fprintf(stderr, "Unknown option \"%c\"\n", c);
144 if ((argc <= optind) || !argv[optind])
146 dst = argv[optind++];
150 gethostname(host, sizeof(host));
151 host[sizeof(host) - 1] = '\0';
155 if (resolve(dst, (char *)&ip->ip_dst) == -1)
157 fprintf(stderr,"Cant resolve %s\n", dst);
161 if (resolve(src, (char *)&ip->ip_src) == -1)
163 fprintf(stderr,"Cant resolve %s\n", src);
169 else if (resolve(gateway, (char *)&gwip) == -1)
171 fprintf(stderr,"Cant resolve %s\n", gateway);
177 dev = default_device;
178 printf("Device: %s\n", dev);
179 printf("Source: %s\n", inet_ntoa(ip->ip_src));
180 printf("Dest: %s\n", inet_ntoa(ip->ip_dst));
181 printf("Gateway: %s\n", inet_ntoa(gwip));
182 printf("mtu: %d\n", mtu);
187 ip_test1(dev, mtu, (ip_t *)ti, gwip, pointtest);
190 ip_test2(dev, mtu, (ip_t *)ti, gwip, pointtest);
193 ip_test3(dev, mtu, (ip_t *)ti, gwip, pointtest);
196 ip_test4(dev, mtu, (ip_t *)ti, gwip, pointtest);
199 ip_test5(dev, mtu, (ip_t *)ti, gwip, pointtest);
202 ip_test6(dev, mtu, (ip_t *)ti, gwip, pointtest);
205 ip_test7(dev, mtu, (ip_t *)ti, gwip, pointtest);
208 ip_test1(dev, mtu, (ip_t *)ti, gwip, pointtest);
209 ip_test2(dev, mtu, (ip_t *)ti, gwip, pointtest);
210 ip_test3(dev, mtu, (ip_t *)ti, gwip, pointtest);
211 ip_test4(dev, mtu, (ip_t *)ti, gwip, pointtest);
212 ip_test5(dev, mtu, (ip_t *)ti, gwip, pointtest);
213 ip_test6(dev, mtu, (ip_t *)ti, gwip, pointtest);
214 ip_test7(dev, mtu, (ip_t *)ti, gwip, pointtest);