1 /*-
2 * Copyright (c) 1988, 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * %sccs.include.redist.c%
6 */
7
8 #ifndef lint
9 char copyright[] =
10 "@(#) Copyright (c) 1988, 1990 The Regents of the University of California.\n\
11 All rights reserved.\n";
12 #endif /* not lint */
13
14 #ifndef lint
15 static char sccsid[] = "@(#)Tesis.c 7.1 (Berkeley) 05/07/91";
16 #endif /* not lint */
17
18 /* Modifications
19 * Copyright (c) 1990 Robert Hagens
20 */
21
22 /*
23 * This is a test program to listen to esis packets.
24 */
25 #include <sys/param.h>
26 #include <sys/uio.h>
27 #include <sys/socket.h>
28 #include <sys/ioctl.h>
29 #include <net/route.h>
30 #include <net/if.h>
31 #define TCPT_NTIMERS 4
32 #include <netiso/iso.h>
33 #include <netiso/tp_param.h>
34 #include <netiso/tp_user.h>
35
36 #include <stdio.h>
37 #include <errno.h>
38 #include <ctype.h>
39 #include <netdb.h>
40
41
42 #define dbprintf if(verbose)printf
43 #define try(a,b,c) {x = (a b); dbprintf("%s%s returns %d\n",c,"a",x);\
44 if(x<0) {perror("a"); myexit(0);}}
45
46
47 struct ifreq ifr;
48 short port = 3000;
49 struct sockaddr_iso faddr, laddr = { sizeof(laddr), AF_ISO };
50 struct sockaddr_iso *siso = &laddr;
51 char **xenvp;
52
53 long size, count = 10, forkp, confp, echop, mynamep, verbose = 1, playtag = 0;
54 long records, intercept = 0, isode_mode;
55
56 char buf[2048];
57 char your_it[] = "You're it!";
58
59 char *Servername;
60
main(argc,argv,envp)61 main(argc, argv, envp)
62 int argc;
63 char *argv[];
64 char *envp[];
65 {
66 tisink();
67 }
68 #define BIG 2048
69 #define MIDLIN 512
70 char readbuf[BIG];
71 struct iovec iov[1] = {
72 readbuf,
73 sizeof readbuf,
74 };
75 char name[MIDLIN];
76 union {
77 struct {
78 struct cmsghdr cmhdr;
79 char cmdata[128 - sizeof(struct cmsghdr)];
80 } cm;
81 char data[128];
82 } cbuf;
83 #define control cbuf.data
84 struct msghdr msghdr = {
85 name, sizeof(name),
86 iov, sizeof(iov)/sizeof(iov[1]),
87 control, sizeof control,
88 0 /* flags */
89 };
90
tisink()91 tisink()
92 {
93 int x, s, pid, on = 1, loop = 0, n, fromlen, flags = 0;
94 extern int errno;
95
96 try(socket, (AF_ISO, SOCK_DGRAM, ISOPROTO_ESIS),"");
97 s = x;
98
99 for(;;) {
100 fromlen = sizeof(name);
101 try(recvfrom, (s, readbuf, sizeof(readbuf), flags,
102 name, &fromlen), "");
103 n = x;
104 dumpit("connection from:", name, fromlen);
105 dumpit("packet is:", readbuf, n);
106 }
107 }
answerback(flags,n,ns)108 answerback(flags, n, ns)
109 {
110 msghdr.msg_controllen = 0;
111 msghdr.msg_iovlen = 1;
112 iov->iov_len = n;
113 n = sendmsg(ns, &msghdr, flags);
114 dbprintf("echoed %d\n", n);
115 return n;
116 }
117
dumpit(what,where,n)118 dumpit(what, where, n)
119 char *what; unsigned short *where; int n;
120 {
121 unsigned short *s = where;
122 unsigned short *z = where + (n+1)/2;
123 int count = 0;
124 printf(what);
125 while(s < z) {
126 count++;
127 printf("%x ",*s++);
128 if ((count & 15) == 0)
129 putchar('\n');
130 }
131 if (count & 15)
132 putchar('\n');
133 fflush(stdout);
134 }
myexit(n)135 myexit(n)
136 {
137 fflush(stderr);
138 printf("got %d records\n", records);
139 fflush(stdout);
140 exit(n);
141 }
142