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cu.c revision 1.6 
      1 /*	$NetBSD: cu.c,v 1.6 1997/11/22 07:28:42 lukem 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 #include <sys/cdefs.h>
     37 #ifndef lint
     38 #if 0
     39 static char sccsid[] = "@(#)cu.c	8.1 (Berkeley) 6/6/93";
     40 #endif
     41 __RCSID("$NetBSD: cu.c,v 1.6 1997/11/22 07:28:42 lukem Exp $");
     42 #endif /* not lint */
     43 
     44 #include "tip.h"
     45 
     46 /*
     47  * Botch the interface to look like cu's
     48  */
     49 int
     50 cumain(argc, argv)
     51 	char *argv[];
     52 {
     53 	int i;
     54 	static char sbuf[12];
     55 
     56 	if (argc < 2) {
     57 		fprintf(stderr,
     58 	    "usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n");
     59 		exit(8);
     60 	}
     61 	CU = DV = NULL;
     62 	BR = DEFBR;
     63 	for (; argc > 1; argv++, argc--) {
     64 		if (argv[1][0] != '-')
     65 			PN = argv[1];
     66 		else switch (argv[1][1]) {
     67 
     68 		case 't':
     69 			HW = 1, DU = -1;
     70 			--argc;
     71 			continue;
     72 
     73 		case 'a':
     74 			CU = argv[2]; ++argv; --argc;
     75 			break;
     76 
     77 		case 's':
     78 			if (argc < 3 || speed(atoi(argv[2])) == 0) {
     79 				fprintf(stderr, "cu: unsupported speed %s\n",
     80 					argv[2]);
     81 				exit(3);
     82 			}
     83 			BR = atoi(argv[2]); ++argv; --argc;
     84 			break;
     85 
     86 		case 'l':
     87 			DV = argv[2]; ++argv; --argc;
     88 			break;
     89 
     90 		case '0': case '1': case '2': case '3': case '4':
     91 		case '5': case '6': case '7': case '8': case '9':
     92 			if (CU)
     93 				CU[strlen(CU)-1] = argv[1][1];
     94 			if (DV)
     95 				DV[strlen(DV)-1] = argv[1][1];
     96 			break;
     97 
     98 		default:
     99 			printf("Bad flag %s", argv[1]);
    100 			break;
    101 		}
    102 	}
    103 	signal(SIGINT, cleanup);
    104 	signal(SIGQUIT, cleanup);
    105 	signal(SIGHUP, cleanup);
    106 	signal(SIGTERM, cleanup);
    107 
    108 	/*
    109 	 * The "cu" host name is used to define the
    110 	 * attributes of the generic dialer.
    111 	 */
    112 	(void)snprintf(sbuf, sizeof sbuf, "cu%d", (int)BR);
    113 	if ((i = hunt(sbuf)) == 0) {
    114 		printf("all ports busy\n");
    115 		exit(3);
    116 	}
    117 	if (i == -1) {
    118 		printf("link down\n");
    119 		(void)uu_unlock(uucplock);
    120 		exit(3);
    121 	}
    122 	setbuf(stdout, NULL);
    123 	loginit();
    124 	user_uid();
    125 	vinit();
    126 	setparity("none");
    127 	setboolean(value(VERBOSE), 0);
    128 	if (HW)
    129 		ttysetup(speed(BR));
    130 	if (connect()) {
    131 		printf("Connect failed\n");
    132 		daemon_uid();
    133 		(void)uu_unlock(uucplock);
    134 		exit(1);
    135 	}
    136 	if (!HW)
    137 		ttysetup(speed(BR));
    138 	exit(0);
    139 }
    140