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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)cu.c 8.1 (Berkeley) 6/6/93 30 * $FreeBSD: src/usr.bin/tip/tip/cu.c,v 1.4 1999/08/28 01:06:33 peter Exp $ 31 */ 32 33 #include "tip.h" 34 #include <libutil.h> 35 36 /* 37 * Botch the interface to look like cu's 38 */ 39 void 40 cumain(int argc, char *argv[]) 41 { 42 int i; 43 static char sbuf[12]; 44 45 if (argc < 2) { 46 printf("usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n"); 47 exit(8); 48 } 49 CU = DV = NULL; 50 BR = DEFBR; 51 for (; argc > 1; argv++, argc--) { 52 if (argv[1][0] != '-') 53 PN = argv[1]; 54 else switch (argv[1][1]) { 55 56 case 't': 57 HW = 1, DU = -1; 58 --argc; 59 continue; 60 61 case 'a': 62 CU = argv[2]; ++argv; --argc; 63 break; 64 65 case 's': 66 if (argc < 3 || speed(atoi(argv[2])) == 0) { 67 fprintf(stderr, "cu: unsupported speed %s\n", 68 argv[2]); 69 exit(3); 70 } 71 BR = atoi(argv[2]); ++argv; --argc; 72 break; 73 74 case 'l': 75 DV = argv[2]; ++argv; --argc; 76 break; 77 78 case '0': case '1': case '2': case '3': case '4': 79 case '5': case '6': case '7': case '8': case '9': 80 if (CU) 81 CU[strlen(CU)-1] = argv[1][1]; 82 if (DV) 83 DV[strlen(DV)-1] = argv[1][1]; 84 break; 85 86 default: 87 printf("Bad flag %s", argv[1]); 88 break; 89 } 90 } 91 signal(SIGINT, cleanup); 92 signal(SIGQUIT, cleanup); 93 signal(SIGHUP, cleanup); 94 signal(SIGTERM, cleanup); 95 96 /* 97 * The "cu" host name is used to define the 98 * attributes of the generic dialer. 99 */ 100 (void)snprintf(sbuf, sizeof(sbuf), "cu%ld", BR); 101 if ((i = hunt(sbuf)) == 0) { 102 printf("all ports busy\n"); 103 exit(3); 104 } 105 if (i == -1) { 106 printf("link down\n"); 107 (void)uu_unlock(uucplock); 108 exit(3); 109 } 110 setbuf(stdout, NULL); 111 loginit(); 112 user_uid(); 113 vinit(); 114 setparity("none"); 115 boolean(value(VERBOSE)) = 0; 116 if (HW) 117 ttysetup(speed(BR)); 118 if (connect()) { 119 printf("Connect failed\n"); 120 daemon_uid(); 121 (void)uu_unlock(uucplock); 122 exit(1); 123 } 124 if (!HW) 125 ttysetup(speed(BR)); 126 exit(0); 127 } 128