xref: /dragonfly/usr.bin/tip/cu.c (revision 0ca59c34)
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. 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  * @(#)cu.c	8.1 (Berkeley) 6/6/93
34  * $FreeBSD: src/usr.bin/tip/tip/cu.c,v 1.4 1999/08/28 01:06:33 peter Exp $
35  */
36 
37 #include "tipconf.h"
38 #include "tip.h"
39 #include <libutil.h>
40 
41 #if INCLUDE_CU_INTERFACE
42 
43 /*
44  * Botch the interface to look like cu's
45  */
46 void
47 cumain(int argc, char *argv[])
48 {
49 	int i;
50 	static char sbuf[12];
51 
52 	if (argc < 2) {
53 		printf("usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n");
54 		exit(8);
55 	}
56 	CU = DV = NULL;
57 	BR = DEFBR;
58 	for (; argc > 1; argv++, argc--) {
59 		if (argv[1][0] != '-')
60 			PN = argv[1];
61 		else switch (argv[1][1]) {
62 
63 		case 't':
64 			HW = 1, DU = -1;
65 			--argc;
66 			continue;
67 
68 		case 'a':
69 			CU = argv[2]; ++argv; --argc;
70 			break;
71 
72 		case 's':
73 			if (argc < 3 || speed(atoi(argv[2])) == 0) {
74 				fprintf(stderr, "cu: unsupported speed %s\n",
75 					argv[2]);
76 				exit(3);
77 			}
78 			BR = atoi(argv[2]); ++argv; --argc;
79 			break;
80 
81 		case 'l':
82 			DV = argv[2]; ++argv; --argc;
83 			break;
84 
85 		case '0': case '1': case '2': case '3': case '4':
86 		case '5': case '6': case '7': case '8': case '9':
87 			if (CU)
88 				CU[strlen(CU)-1] = argv[1][1];
89 			if (DV)
90 				DV[strlen(DV)-1] = argv[1][1];
91 			break;
92 
93 		default:
94 			printf("Bad flag %s", argv[1]);
95 			break;
96 		}
97 	}
98 	signal(SIGINT, cleanup);
99 	signal(SIGQUIT, cleanup);
100 	signal(SIGHUP, cleanup);
101 	signal(SIGTERM, cleanup);
102 
103 	/*
104 	 * The "cu" host name is used to define the
105 	 * attributes of the generic dialer.
106 	 */
107 	(void)snprintf(sbuf, sizeof(sbuf), "cu%ld", BR);
108 	if ((i = hunt(sbuf)) == 0) {
109 		printf("all ports busy\n");
110 		exit(3);
111 	}
112 	if (i == -1) {
113 		printf("link down\n");
114 		(void)uu_unlock(uucplock);
115 		exit(3);
116 	}
117 	setbuf(stdout, NULL);
118 	loginit();
119 	user_uid();
120 	vinit();
121 	setparity("none");
122 	boolean(value(VERBOSE)) = 0;
123 	if (HW)
124 		ttysetup(speed(BR));
125 	if (connect()) {
126 		printf("Connect failed\n");
127 		daemon_uid();
128 		(void)uu_unlock(uucplock);
129 		exit(1);
130 	}
131 	if (!HW)
132 		ttysetup(speed(BR));
133 	exit(0);
134 }
135 #endif /* INCLUDE_CU_INTERFACE */
136