1 /*
2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)cu.c 8.1 (Berkeley) 6/6/93
30 * $FreeBSD: src/usr.bin/tip/tip/cu.c,v 1.4 1999/08/28 01:06:33 peter Exp $
31 */
32
33 #include "tip.h"
34 #include <libutil.h>
35
36 /*
37 * Botch the interface to look like cu's
38 */
39 void
cumain(int argc,char * argv[])40 cumain(int argc, char *argv[])
41 {
42 int i;
43 static char sbuf[12];
44
45 if (argc < 2) {
46 printf("usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n");
47 exit(8);
48 }
49 CU = DV = NULL;
50 BR = DEFBR;
51 for (; argc > 1; argv++, argc--) {
52 if (argv[1][0] != '-')
53 PN = argv[1];
54 else switch (argv[1][1]) {
55
56 case 't':
57 HW = 1, DU = -1;
58 --argc;
59 continue;
60
61 case 'a':
62 CU = argv[2]; ++argv; --argc;
63 break;
64
65 case 's':
66 if (argc < 3 || speed(atoi(argv[2])) == 0) {
67 fprintf(stderr, "cu: unsupported speed %s\n",
68 argv[2]);
69 exit(3);
70 }
71 BR = atoi(argv[2]); ++argv; --argc;
72 break;
73
74 case 'l':
75 DV = argv[2]; ++argv; --argc;
76 break;
77
78 case '0': case '1': case '2': case '3': case '4':
79 case '5': case '6': case '7': case '8': case '9':
80 if (CU)
81 CU[strlen(CU)-1] = argv[1][1];
82 if (DV)
83 DV[strlen(DV)-1] = argv[1][1];
84 break;
85
86 default:
87 printf("Bad flag %s", argv[1]);
88 break;
89 }
90 }
91 signal(SIGINT, cleanup);
92 signal(SIGQUIT, cleanup);
93 signal(SIGHUP, cleanup);
94 signal(SIGTERM, cleanup);
95
96 /*
97 * The "cu" host name is used to define the
98 * attributes of the generic dialer.
99 */
100 (void)snprintf(sbuf, sizeof(sbuf), "cu%ld", BR);
101 if ((i = hunt(sbuf)) == 0) {
102 printf("all ports busy\n");
103 exit(3);
104 }
105 if (i == -1) {
106 printf("link down\n");
107 (void)uu_unlock(uucplock);
108 exit(3);
109 }
110 setbuf(stdout, NULL);
111 loginit();
112 user_uid();
113 vinit();
114 setparity("none");
115 boolean(value(VERBOSE)) = 0;
116 if (HW)
117 ttysetup(speed(BR));
118 if (connect()) {
119 printf("Connect failed\n");
120 daemon_uid();
121 (void)uu_unlock(uucplock);
122 exit(1);
123 }
124 if (!HW)
125 ttysetup(speed(BR));
126 exit(0);
127 }
128