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15637ed4 RG |
1 | /*- |
2 | * Copyright (c) 1983, 1988 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | char copyright[] = | |
36 | "@(#) Copyright (c) 1983, 1988 The Regents of the University of California.\n\ | |
37 | All rights reserved.\n"; | |
38 | #endif /* not lint */ | |
39 | ||
40 | #ifndef lint | |
41 | static char sccsid[] = "@(#)trace.c 5.9 (Berkeley) 4/16/91"; | |
42 | #endif /* not lint */ | |
43 | ||
44 | #include <sys/param.h> | |
45 | #include <sys/protosw.h> | |
46 | #include <sys/socket.h> | |
47 | #include <netinet/in.h> | |
48 | #include <protocols/routed.h> | |
49 | #include <arpa/inet.h> | |
50 | #include <netdb.h> | |
51 | #include <stdio.h> | |
52 | #include <stdlib.h> | |
53 | #include <string.h> | |
54 | ||
55 | struct sockaddr_in myaddr; | |
56 | char packet[MAXPACKETSIZE]; | |
57 | ||
58 | main(argc, argv) | |
59 | int argc; | |
60 | char **argv; | |
61 | { | |
62 | int size, s; | |
63 | struct sockaddr from; | |
64 | struct sockaddr_in router; | |
65 | register struct rip *msg = (struct rip *)packet; | |
66 | struct hostent *hp; | |
67 | struct servent *sp; | |
68 | ||
69 | if (argc < 3) { | |
70 | usage: | |
71 | printf("usage: trace cmd machines,\n"); | |
72 | printf("cmd either \"on filename\", or \"off\"\n"); | |
73 | exit(1); | |
74 | } | |
75 | s = socket(AF_INET, SOCK_DGRAM, 0); | |
76 | if (s < 0) { | |
77 | perror("socket"); | |
78 | exit(2); | |
79 | } | |
80 | myaddr.sin_family = AF_INET; | |
81 | myaddr.sin_port = htons(IPPORT_RESERVED-1); | |
82 | if (bind(s, (struct sockaddr *)&myaddr, sizeof(myaddr)) < 0) { | |
83 | perror("bind"); | |
84 | exit(2); | |
85 | } | |
86 | ||
87 | argv++, argc--; | |
88 | msg->rip_cmd = strcmp(*argv, "on") == 0 ? | |
89 | RIPCMD_TRACEON : RIPCMD_TRACEOFF; | |
90 | msg->rip_vers = RIPVERSION; | |
91 | argv++, argc--; | |
92 | size = sizeof (int); | |
93 | if (msg->rip_cmd == RIPCMD_TRACEON) { | |
94 | strcpy(msg->rip_tracefile, *argv); | |
95 | size += strlen(*argv); | |
96 | argv++, argc--; | |
97 | } | |
98 | if (argc == 0) | |
99 | goto usage; | |
100 | bzero((char *)&router, sizeof (router)); | |
101 | router.sin_family = AF_INET; | |
102 | sp = getservbyname("router", "udp"); | |
103 | if (sp == 0) { | |
104 | printf("udp/router: service unknown\n"); | |
105 | exit(1); | |
106 | } | |
107 | router.sin_port = sp->s_port; | |
108 | while (argc > 0) { | |
109 | router.sin_family = AF_INET; | |
110 | router.sin_addr.s_addr = inet_addr(*argv); | |
111 | if (router.sin_addr.s_addr == -1) { | |
112 | hp = gethostbyname(*argv); | |
113 | if (hp == NULL) { | |
114 | fprintf(stderr, "trace: %s: ", *argv); | |
115 | herror((char *)NULL); | |
116 | continue; | |
117 | } | |
118 | bcopy(hp->h_addr, &router.sin_addr, hp->h_length); | |
119 | } | |
120 | if (sendto(s, packet, size, 0, | |
121 | (struct sockaddr *)&router, sizeof(router)) < 0) | |
122 | perror(*argv); | |
123 | argv++, argc--; | |
124 | } | |
125 | } |