1 /* $NetBSD: cu.c,v 1.7 2003/08/07 11:16:17 agc 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)cu.c 8.1 (Berkeley) 6/6/93"; 36 #endif 37 __RCSID("$NetBSD: cu.c,v 1.7 2003/08/07 11:16:17 agc Exp $"); 38 #endif /* not lint */ 39 40 #include "tip.h" 41 42 /* 43 * Botch the interface to look like cu's 44 */ 45 int 46 cumain(argc, argv) 47 char *argv[]; 48 { 49 int i; 50 static char sbuf[12]; 51 52 if (argc < 2) { 53 fprintf(stderr, 54 "usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n"); 55 exit(8); 56 } 57 CU = DV = NULL; 58 BR = DEFBR; 59 for (; argc > 1; argv++, argc--) { 60 if (argv[1][0] != '-') 61 PN = argv[1]; 62 else switch (argv[1][1]) { 63 64 case 't': 65 HW = 1, DU = -1; 66 --argc; 67 continue; 68 69 case 'a': 70 CU = argv[2]; ++argv; --argc; 71 break; 72 73 case 's': 74 if (argc < 3 || speed(atoi(argv[2])) == 0) { 75 fprintf(stderr, "cu: unsupported speed %s\n", 76 argv[2]); 77 exit(3); 78 } 79 BR = atoi(argv[2]); ++argv; --argc; 80 break; 81 82 case 'l': 83 DV = argv[2]; ++argv; --argc; 84 break; 85 86 case '0': case '1': case '2': case '3': case '4': 87 case '5': case '6': case '7': case '8': case '9': 88 if (CU) 89 CU[strlen(CU)-1] = argv[1][1]; 90 if (DV) 91 DV[strlen(DV)-1] = argv[1][1]; 92 break; 93 94 default: 95 printf("Bad flag %s", argv[1]); 96 break; 97 } 98 } 99 signal(SIGINT, cleanup); 100 signal(SIGQUIT, cleanup); 101 signal(SIGHUP, cleanup); 102 signal(SIGTERM, cleanup); 103 104 /* 105 * The "cu" host name is used to define the 106 * attributes of the generic dialer. 107 */ 108 (void)snprintf(sbuf, sizeof sbuf, "cu%d", (int)BR); 109 if ((i = hunt(sbuf)) == 0) { 110 printf("all ports busy\n"); 111 exit(3); 112 } 113 if (i == -1) { 114 printf("link down\n"); 115 (void)uu_unlock(uucplock); 116 exit(3); 117 } 118 setbuf(stdout, NULL); 119 loginit(); 120 user_uid(); 121 vinit(); 122 setparity("none"); 123 setboolean(value(VERBOSE), 0); 124 if (HW) 125 ttysetup(speed(BR)); 126 if (connect()) { 127 printf("Connect failed\n"); 128 daemon_uid(); 129 (void)uu_unlock(uucplock); 130 exit(1); 131 } 132 if (!HW) 133 ttysetup(speed(BR)); 134 exit(0); 135 } 136