| 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 | } |