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";
37 char default_device[] = "lan0";
40 static void usage(char *);
41 int main(int, char **);
44 static void usage(prog)
47 fprintf(stderr, "Usage: %s [options] dest\n\
49 \t\t-d device\tSend out on this device\n\
50 \t\t-g gateway\tIP gateway to use if non-local dest.\n\
51 \t\t-m mtu\t\tfake MTU to use when sending out\n\
53 \t\t-s src\t\tsource address for IP packet\n\
54 \t\t-1 \t\tPerform test 1 (IP header)\n\
55 \t\t-2 \t\tPerform test 2 (IP options)\n\
56 \t\t-3 \t\tPerform test 3 (ICMP)\n\
57 \t\t-4 \t\tPerform test 4 (UDP)\n\
58 \t\t-5 \t\tPerform test 5 (TCP)\n\
59 \t\t-6 \t\tPerform test 6 (overlapping fragments)\n\
60 \t\t-7 \t\tPerform test 7 (random packets)\n\
67 main(int argc, char **argv)
72 char *name = argv[0], host[MAXHOSTNAMELEN + 1];
73 char *gateway = NULL, *dev = NULL;
74 char *src = NULL, *dst;
75 int mtu = 1500, tests = 0, pointtest = 0, c;
78 * 65535 is maximum packet size...you never know...
80 ip = (ip_t *)calloc(1, 65536);
81 ti = (struct tcpiphdr *)ip;
82 ip->ip_len = sizeof(*ip);
83 IP_HL_A(ip, sizeof(*ip) >> 2);
85 while ((c = getopt(argc, argv, "1234567d:g:m:p:s:")) != -1)
107 fprintf(stderr, "mtu must be > 28\n");
112 pointtest = atoi(optarg);
118 fprintf(stderr, "Unknown option \"%c\"\n", c);
122 if ((argc <= optind) || !argv[optind])
124 dst = argv[optind++];
128 gethostname(host, sizeof(host));
129 host[sizeof(host) - 1] = '\0';
133 if (resolve(dst, (char *)&ip->ip_dst) == -1)
135 fprintf(stderr,"Cant resolve %s\n", dst);
139 if (resolve(src, (char *)&ip->ip_src) == -1)
141 fprintf(stderr,"Cant resolve %s\n", src);
147 else if (resolve(gateway, (char *)&gwip) == -1)
149 fprintf(stderr,"Cant resolve %s\n", gateway);
155 dev = default_device;
156 printf("Device: %s\n", dev);
157 printf("Source: %s\n", inet_ntoa(ip->ip_src));
158 printf("Dest: %s\n", inet_ntoa(ip->ip_dst));
159 printf("Gateway: %s\n", inet_ntoa(gwip));
160 printf("mtu: %d\n", mtu);
165 ip_test1(dev, mtu, (ip_t *)ti, gwip, pointtest);
168 ip_test2(dev, mtu, (ip_t *)ti, gwip, pointtest);
171 ip_test3(dev, mtu, (ip_t *)ti, gwip, pointtest);
174 ip_test4(dev, mtu, (ip_t *)ti, gwip, pointtest);
177 ip_test5(dev, mtu, (ip_t *)ti, gwip, pointtest);
180 ip_test6(dev, mtu, (ip_t *)ti, gwip, pointtest);
183 ip_test7(dev, mtu, (ip_t *)ti, gwip, pointtest);
186 ip_test1(dev, mtu, (ip_t *)ti, gwip, pointtest);
187 ip_test2(dev, mtu, (ip_t *)ti, gwip, pointtest);
188 ip_test3(dev, mtu, (ip_t *)ti, gwip, pointtest);
189 ip_test4(dev, mtu, (ip_t *)ti, gwip, pointtest);
190 ip_test5(dev, mtu, (ip_t *)ti, gwip, pointtest);
191 ip_test6(dev, mtu, (ip_t *)ti, gwip, pointtest);
192 ip_test7(dev, mtu, (ip_t *)ti, gwip, pointtest);