1 /* 2 * Copyright (c) 1983 The Regents of the University of California. 3 * 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 34 #ifndef lint 35 static char sccsid[] = "@(#)cu.c 5.9 (Berkeley) 6/1/90"; 36 #endif /* not lint */ 37 38 #include "tip.h" 39 40 void cleanup(); 41 42 /* 43 * Botch the interface to look like cu's 44 */ 45 cumain(argc, argv) 46 char *argv[]; 47 { 48 register int i; 49 static char sbuf[12]; 50 51 if (argc < 2) { 52 printf("usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n"); 53 exit(8); 54 } 55 CU = DV = NOSTR; 56 BR = DEFBR; 57 for (; argc > 1; argv++, argc--) { 58 if (argv[1][0] != '-') 59 PN = argv[1]; 60 else switch (argv[1][1]) { 61 62 case 't': 63 HW = 1, DU = -1; 64 --argc; 65 continue; 66 67 case 'a': 68 CU = argv[2]; ++argv; --argc; 69 break; 70 71 case 's': 72 if (argc < 3 || speed(atoi(argv[2])) == 0) { 73 fprintf(stderr, "cu: unsupported speed %s\n", 74 argv[2]); 75 exit(3); 76 } 77 BR = atoi(argv[2]); ++argv; --argc; 78 break; 79 80 case 'l': 81 DV = argv[2]; ++argv; --argc; 82 break; 83 84 case '0': case '1': case '2': case '3': case '4': 85 case '5': case '6': case '7': case '8': case '9': 86 if (CU) 87 CU[strlen(CU)-1] = argv[1][1]; 88 if (DV) 89 DV[strlen(DV)-1] = argv[1][1]; 90 break; 91 92 default: 93 printf("Bad flag %s", argv[1]); 94 break; 95 } 96 } 97 signal(SIGINT, cleanup); 98 signal(SIGQUIT, cleanup); 99 signal(SIGHUP, cleanup); 100 signal(SIGTERM, cleanup); 101 102 /* 103 * The "cu" host name is used to define the 104 * attributes of the generic dialer. 105 */ 106 (void)sprintf(sbuf, "cu%d", BR); 107 if ((i = hunt(sbuf)) == 0) { 108 printf("all ports busy\n"); 109 exit(3); 110 } 111 if (i == -1) { 112 printf("link down\n"); 113 (void)uu_unlock(uucplock); 114 exit(3); 115 } 116 setbuf(stdout, NULL); 117 loginit(); 118 user_uid(); 119 vinit(); 120 setparity("none"); 121 boolean(value(VERBOSE)) = 0; 122 if (HW) 123 ttysetup(speed(BR)); 124 if (connect()) { 125 printf("Connect failed\n"); 126 daemon_uid(); 127 (void)uu_unlock(uucplock); 128 exit(1); 129 } 130 if (!HW) 131 ttysetup(speed(BR)); 132 } 133