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cu.c revision 1.3 
      1 /*	$NetBSD: cu.c,v 1.3 1994/12/08 09:30:48 jtc Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1983, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #ifndef lint
     37 #if 0
     38 static char sccsid[] = "@(#)cu.c	8.1 (Berkeley) 6/6/93";
     39 #endif
     40 static char rcsid[] = "$NetBSD: cu.c,v 1.3 1994/12/08 09:30:48 jtc Exp $";
     41 #endif /* not lint */
     42 
     43 #include "tip.h"
     44 
     45 void	cleanup();
     46 
     47 /*
     48  * Botch the interface to look like cu's
     49  */
     50 cumain(argc, argv)
     51 	char *argv[];
     52 {
     53 	register int i;
     54 	static char sbuf[12];
     55 
     56 	if (argc < 2) {
     57 		printf("usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n");
     58 		exit(8);
     59 	}
     60 	CU = DV = NOSTR;
     61 	BR = DEFBR;
     62 	for (; argc > 1; argv++, argc--) {
     63 		if (argv[1][0] != '-')
     64 			PN = argv[1];
     65 		else switch (argv[1][1]) {
     66 
     67 		case 't':
     68 			HW = 1, DU = -1;
     69 			--argc;
     70 			continue;
     71 
     72 		case 'a':
     73 			CU = argv[2]; ++argv; --argc;
     74 			break;
     75 
     76 		case 's':
     77 			if (argc < 3 || speed(atoi(argv[2])) == 0) {
     78 				fprintf(stderr, "cu: unsupported speed %s\n",
     79 					argv[2]);
     80 				exit(3);
     81 			}
     82 			BR = atoi(argv[2]); ++argv; --argc;
     83 			break;
     84 
     85 		case 'l':
     86 			DV = argv[2]; ++argv; --argc;
     87 			break;
     88 
     89 		case '0': case '1': case '2': case '3': case '4':
     90 		case '5': case '6': case '7': case '8': case '9':
     91 			if (CU)
     92 				CU[strlen(CU)-1] = argv[1][1];
     93 			if (DV)
     94 				DV[strlen(DV)-1] = argv[1][1];
     95 			break;
     96 
     97 		default:
     98 			printf("Bad flag %s", argv[1]);
     99 			break;
    100 		}
    101 	}
    102 	signal(SIGINT, cleanup);
    103 	signal(SIGQUIT, cleanup);
    104 	signal(SIGHUP, cleanup);
    105 	signal(SIGTERM, cleanup);
    106 
    107 	/*
    108 	 * The "cu" host name is used to define the
    109 	 * attributes of the generic dialer.
    110 	 */
    111 	(void)sprintf(sbuf, "cu%d", BR);
    112 	if ((i = hunt(sbuf)) == 0) {
    113 		printf("all ports busy\n");
    114 		exit(3);
    115 	}
    116 	if (i == -1) {
    117 		printf("link down\n");
    118 		(void)uu_unlock(uucplock);
    119 		exit(3);
    120 	}
    121 	setbuf(stdout, NULL);
    122 	loginit();
    123 	user_uid();
    124 	vinit();
    125 	setparity("none");
    126 	boolean(value(VERBOSE)) = 0;
    127 	if (HW)
    128 		ttysetup(speed(BR));
    129 	if (connect()) {
    130 		printf("Connect failed\n");
    131 		daemon_uid();
    132 		(void)uu_unlock(uucplock);
    133 		exit(1);
    134 	}
    135 	if (!HW)
    136 		ttysetup(speed(BR));
    137 }
    138