Annotation of src/usr.bin/tip/cu.c, Revision 1.10
1.10 ! pvalchev 1: /* $OpenBSD: cu.c,v 1.9 2001/09/24 17:43:15 millert Exp $ */
1.3 millert 2: /* $NetBSD: cu.c,v 1.5 1997/02/11 09:24:05 mrg Exp $ */
1.1 deraadt 3:
4: /*
5: * Copyright (c) 1983, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
38: #if 0
39: static char sccsid[] = "@(#)cu.c 8.1 (Berkeley) 6/6/93";
40: #endif
1.10 ! pvalchev 41: static char rcsid[] = "$OpenBSD: cu.c,v 1.9 2001/09/24 17:43:15 millert Exp $";
1.1 deraadt 42: #endif /* not lint */
43:
44: #include "tip.h"
45:
46: void cleanup();
1.6 millert 47: void cuusage();
1.1 deraadt 48:
49: /*
50: * Botch the interface to look like cu's
51: */
1.4 deraadt 52: void
1.1 deraadt 53: cumain(argc, argv)
1.4 deraadt 54: int argc;
1.1 deraadt 55: char *argv[];
56: {
1.6 millert 57: int ch, i;
58: long l;
59: char *cp;
1.1 deraadt 60: static char sbuf[12];
61:
1.6 millert 62: if (argc < 2)
63: cuusage();
1.1 deraadt 64: CU = DV = NOSTR;
65: BR = DEFBR;
1.6 millert 66: while ((ch = getopt(argc, argv, "a:l:s:htoe0123456789")) != -1) {
67: switch(ch) {
1.1 deraadt 68: case 'a':
1.6 millert 69: CU = optarg;
70: break;
71: case 'l':
1.8 deraadt 72: if (DV != NULL) {
73: fprintf(stderr,
74: "%s: cannot specificy multiple -l options\n",
75: __progname);
76: exit(3);
77: }
78: if (strchr(optarg, '/'))
79: DV = optarg;
80: else
81: asprintf(&DV, "/dev/%s", optarg);
1.1 deraadt 82: break;
83: case 's':
1.6 millert 84: l = strtol(optarg, &cp, 10);
85: if (*cp != '\0' || l < 0 || l >= INT_MAX ||
86: speed((int)l) == 0) {
87: fprintf(stderr, "%s: unsupported speed %s\n",
88: __progname, optarg);
1.1 deraadt 89: exit(3);
90: }
1.6 millert 91: BR = (int)l;
92: break;
93: case 'h':
1.9 millert 94: setboolean(value(LECHO), TRUE);
1.6 millert 95: HD = TRUE;
96: break;
97: case 't':
98: HW = 1, DU = -1;
1.1 deraadt 99: break;
1.6 millert 100: case 'o':
101: setparity("odd");
102: break;
103: case 'e':
104: setparity("even");
1.1 deraadt 105: break;
106: case '0': case '1': case '2': case '3': case '4':
107: case '5': case '6': case '7': case '8': case '9':
108: if (CU)
1.6 millert 109: CU[strlen(CU)-1] = ch;
1.1 deraadt 110: if (DV)
1.6 millert 111: DV[strlen(DV)-1] = ch;
1.1 deraadt 112: break;
113: default:
1.10 ! pvalchev 114: cuusage();
1.1 deraadt 115: break;
116: }
117: }
1.6 millert 118: argc -= optind;
119: argv += optind;
120:
121: switch (argc) {
122: case 1:
123: PN = argv[0];
124: break;
125: case 0:
126: break;
127: default:
128: cuusage();
129: break;
130: }
131:
1.1 deraadt 132: signal(SIGINT, cleanup);
133: signal(SIGQUIT, cleanup);
134: signal(SIGHUP, cleanup);
135: signal(SIGTERM, cleanup);
136:
137: /*
138: * The "cu" host name is used to define the
139: * attributes of the generic dialer.
140: */
1.4 deraadt 141: (void)snprintf(sbuf, sizeof(sbuf), "cu%ld", BR);
1.1 deraadt 142: if ((i = hunt(sbuf)) == 0) {
143: printf("all ports busy\n");
144: exit(3);
145: }
146: if (i == -1) {
147: printf("link down\n");
148: (void)uu_unlock(uucplock);
149: exit(3);
150: }
151: setbuf(stdout, NULL);
152: loginit();
153: user_uid();
154: vinit();
155: setparity("none");
1.9 millert 156: setboolean(value(VERBOSE), FALSE);
1.1 deraadt 157: if (HW)
158: ttysetup(speed(BR));
159: if (connect()) {
160: printf("Connect failed\n");
161: daemon_uid();
162: (void)uu_unlock(uucplock);
163: exit(1);
164: }
165: if (!HW)
166: ttysetup(speed(BR));
1.6 millert 167: }
168:
169: void
170: cuusage()
171: {
172: fprintf(stderr, "usage: cu [-ehot] [-a acu] [-l line] [-s speed] [-#] "
173: "[phone-number]\n");
174: exit(8);
1.1 deraadt 175: }
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