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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)cu.c 8.1 (Berkeley) 6/6/93 34 * $FreeBSD: src/usr.bin/tip/tip/cu.c,v 1.4 1999/08/28 01:06:33 peter Exp $ 35 */ 36 37 #include "tip.h" 38 #include <libutil.h> 39 40 /* 41 * Botch the interface to look like cu's 42 */ 43 void 44 cumain(int argc, char *argv[]) 45 { 46 int i; 47 static char sbuf[12]; 48 49 if (argc < 2) { 50 printf("usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n"); 51 exit(8); 52 } 53 CU = DV = NULL; 54 BR = DEFBR; 55 for (; argc > 1; argv++, argc--) { 56 if (argv[1][0] != '-') 57 PN = argv[1]; 58 else switch (argv[1][1]) { 59 60 case 't': 61 HW = 1, DU = -1; 62 --argc; 63 continue; 64 65 case 'a': 66 CU = argv[2]; ++argv; --argc; 67 break; 68 69 case 's': 70 if (argc < 3 || speed(atoi(argv[2])) == 0) { 71 fprintf(stderr, "cu: unsupported speed %s\n", 72 argv[2]); 73 exit(3); 74 } 75 BR = atoi(argv[2]); ++argv; --argc; 76 break; 77 78 case 'l': 79 DV = argv[2]; ++argv; --argc; 80 break; 81 82 case '0': case '1': case '2': case '3': case '4': 83 case '5': case '6': case '7': case '8': case '9': 84 if (CU) 85 CU[strlen(CU)-1] = argv[1][1]; 86 if (DV) 87 DV[strlen(DV)-1] = argv[1][1]; 88 break; 89 90 default: 91 printf("Bad flag %s", argv[1]); 92 break; 93 } 94 } 95 signal(SIGINT, cleanup); 96 signal(SIGQUIT, cleanup); 97 signal(SIGHUP, cleanup); 98 signal(SIGTERM, cleanup); 99 100 /* 101 * The "cu" host name is used to define the 102 * attributes of the generic dialer. 103 */ 104 (void)snprintf(sbuf, sizeof(sbuf), "cu%ld", BR); 105 if ((i = hunt(sbuf)) == 0) { 106 printf("all ports busy\n"); 107 exit(3); 108 } 109 if (i == -1) { 110 printf("link down\n"); 111 (void)uu_unlock(uucplock); 112 exit(3); 113 } 114 setbuf(stdout, NULL); 115 loginit(); 116 user_uid(); 117 vinit(); 118 setparity("none"); 119 boolean(value(VERBOSE)) = 0; 120 if (HW) 121 ttysetup(speed(BR)); 122 if (connect()) { 123 printf("Connect failed\n"); 124 daemon_uid(); 125 (void)uu_unlock(uucplock); 126 exit(1); 127 } 128 if (!HW) 129 ttysetup(speed(BR)); 130 exit(0); 131 } 132