cu.c revision 1.11
1 1.10 tls /* $NetBSD: cu.c,v 1.11 2006/04/02 19:16:22 tls Exp $ */ 2 1.3 jtc 3 1.1 cgd /* 4 1.3 jtc * Copyright (c) 1983, 1993 5 1.3 jtc * The Regents of the University of California. All rights reserved. 6 1.1 cgd * 7 1.1 cgd * Redistribution and use in source and binary forms, with or without 8 1.1 cgd * modification, are permitted provided that the following conditions 9 1.1 cgd * are met: 10 1.1 cgd * 1. Redistributions of source code must retain the above copyright 11 1.1 cgd * notice, this list of conditions and the following disclaimer. 12 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 cgd * notice, this list of conditions and the following disclaimer in the 14 1.1 cgd * documentation and/or other materials provided with the distribution. 15 1.7 agc * 3. Neither the name of the University nor the names of its contributors 16 1.1 cgd * may be used to endorse or promote products derived from this software 17 1.1 cgd * without specific prior written permission. 18 1.1 cgd * 19 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 1.1 cgd * SUCH DAMAGE. 30 1.1 cgd */ 31 1.1 cgd 32 1.6 lukem #include <sys/cdefs.h> 33 1.10 tls #include <getopt.h> 34 1.10 tls 35 1.1 cgd #ifndef lint 36 1.3 jtc #if 0 37 1.3 jtc static char sccsid[] = "@(#)cu.c 8.1 (Berkeley) 6/6/93"; 38 1.3 jtc #endif 39 1.10 tls __RCSID("$NetBSD: cu.c,v 1.11 2006/04/02 19:16:22 tls Exp $"); 40 1.1 cgd #endif /* not lint */ 41 1.1 cgd 42 1.1 cgd #include "tip.h" 43 1.1 cgd 44 1.10 tls static void cuhelp(void); 45 1.10 tls static void cuusage(void); 46 1.10 tls 47 1.1 cgd /* 48 1.1 cgd * Botch the interface to look like cu's 49 1.1 cgd */ 50 1.10 tls void 51 1.1 cgd cumain(argc, argv) 52 1.8 christos int argc; 53 1.1 cgd char *argv[]; 54 1.1 cgd { 55 1.10 tls int i, phonearg = 0, parity = 0; /* 0 is no parity */ 56 1.10 tls static int helpme = 0; 57 1.10 tls char useresc = '~'; 58 1.10 tls static char sbuf[12], brbuf[16]; 59 1.10 tls extern char *optarg; 60 1.10 tls extern int optind; 61 1.10 tls 62 1.10 tls static struct option longopts[] = { 63 1.10 tls { "help", no_argument, &helpme, 1 }, 64 1.10 tls { "escape", required_argument, NULL, 'E' }, 65 1.10 tls { "parity", required_argument, NULL, 'P' }, 66 1.10 tls { "phone", required_argument, NULL, 'c' }, 67 1.10 tls { "port", required_argument, NULL, 'a' }, 68 1.10 tls { "line", required_argument, NULL, 'l' }, 69 1.10 tls { "speed", required_argument, NULL, 's' }, 70 1.10 tls { "halfduplex", required_argument, NULL, 'h' }, 71 1.10 tls { NULL, 0, NULL, 0 } 72 1.10 tls }; 73 1.10 tls 74 1.10 tls 75 1.10 tls if (argc < 2) 76 1.10 tls cuusage(); 77 1.1 cgd 78 1.10 tls CU = NULL; 79 1.10 tls DV = NULL; 80 1.1 cgd BR = DEFBR; 81 1.1 cgd 82 1.10 tls while((ch = getopt_long(argc, argv, 83 1.10 tls "E:P:a:p:c:l:s:heot0123456789", longopts, NULL)) != -1) { 84 1.10 tls 85 1.10 tls if (helpme == 1) cuhelp(); 86 1.10 tls 87 1.10 tls switch(ch) { 88 1.1 cgd 89 1.10 tls case 'E': 90 1.10 tls if(strlen(optarg) > 1) 91 1.10 tls errx(3, "only one escape character allowed"); 92 1.10 tls useresc = optarg[0]; 93 1.10 tls break; 94 1.10 tls case 'P': 95 1.10 tls if(strcmp(optarg, "even") == 0) 96 1.10 tls parity = -1; 97 1.10 tls else 98 1.10 tls if(strcmp(optarg, "odd") == 0) 99 1.10 tls parity = 1; 100 1.10 tls else 101 1.10 tls if(strcmp(optarg, "none") != 0) 102 1.10 tls errx(3, "bad parity setting"); 103 1.10 tls break; 104 1.1 cgd case 'a': 105 1.10 tls case 'p': 106 1.10 tls CU = optarg; 107 1.10 tls break; 108 1.10 tls case 'c': 109 1.10 tls phonearg = 1; 110 1.10 tls PN = optarg; 111 1.10 tls break; 112 1.10 tls case 'l': 113 1.10 tls if (DV != NULL) 114 1.10 tls errx(3,"more than one line specified"); 115 1.10 tls if(strchr(optarg, '/')) 116 1.10 tls DV=optarg; 117 1.10 tls else 118 1.10 tls asprintf(&DV, "/dev/%s", optarg); 119 1.1 cgd break; 120 1.1 cgd case 's': 121 1.10 tls BR = atoi(optarg); 122 1.10 tls break; 123 1.10 tls case 'h': 124 1.10 tls setboolean(value(LECHO), TRUE); 125 1.10 tls HD = TRUE; 126 1.1 cgd break; 127 1.10 tls case 'e': 128 1.10 tls if (parity != 0) 129 1.10 tls errx(3, "more than one parity specified"); 130 1.10 tls parity = -1; /* even */ 131 1.10 tls break; 132 1.10 tls case 'o': 133 1.10 tls if (parity != 0) 134 1.10 tls errx(3, "more than one parity specified"); 135 1.10 tls parity = 1; /* odd */ 136 1.10 tls break; 137 1.10 tls case 't': 138 1.10 tls HW = 1, DU = -1; 139 1.1 cgd break; 140 1.1 cgd case '0': case '1': case '2': case '3': case '4': 141 1.1 cgd case '5': case '6': case '7': case '8': case '9': 142 1.10 tls snprintf(brbuf, sizeof(brbuf) -1, "%s%c", 143 1.10 tls brbuf, ch); 144 1.10 tls BR = atoi(brbuf); 145 1.1 cgd break; 146 1.1 cgd default: 147 1.10 tls cuusage(); 148 1.1 cgd break; 149 1.1 cgd } 150 1.1 cgd } 151 1.10 tls 152 1.10 tls argc -= optind; 153 1.10 tls argv += optind; 154 1.10 tls 155 1.10 tls switch (argc) { 156 1.10 tls case 1: 157 1.10 tls if (phonearg) 158 1.10 tls errx(3, "more than one phone number specified"); 159 1.10 tls else 160 1.10 tls PN = argv[0]; 161 1.10 tls break; 162 1.10 tls case 0: 163 1.10 tls break; 164 1.10 tls default: 165 1.10 tls cuusage(); 166 1.10 tls break; 167 1.10 tls } 168 1.10 tls 169 1.1 cgd signal(SIGINT, cleanup); 170 1.1 cgd signal(SIGQUIT, cleanup); 171 1.1 cgd signal(SIGHUP, cleanup); 172 1.1 cgd signal(SIGTERM, cleanup); 173 1.10 tls /* signal(SIGCHLD, SIG_DFL) */ /* XXX seems wrong */ 174 1.1 cgd 175 1.1 cgd /* 176 1.1 cgd * The "cu" host name is used to define the 177 1.1 cgd * attributes of the generic dialer. 178 1.1 cgd */ 179 1.6 lukem (void)snprintf(sbuf, sizeof sbuf, "cu%d", (int)BR); 180 1.1 cgd if ((i = hunt(sbuf)) == 0) { 181 1.10 tls errx(3,"all ports busy"); 182 1.1 cgd } 183 1.1 cgd if (i == -1) { 184 1.10 tls warnx("link down"); 185 1.1 cgd (void)uu_unlock(uucplock); 186 1.1 cgd exit(3); 187 1.1 cgd } 188 1.1 cgd setbuf(stdout, NULL); 189 1.11 tls #ifdef ACULOG 190 1.1 cgd loginit(); 191 1.11 tls #endif 192 1.1 cgd user_uid(); 193 1.1 cgd vinit(); 194 1.10 tls switch (parity) { 195 1.10 tls case -1: 196 1.10 tls setparity("even"); 197 1.10 tls break; 198 1.10 tls case 1: 199 1.10 tls setparity("odd"); 200 1.10 tls break; 201 1.10 tls case 0: 202 1.10 tls setparity("none"); 203 1.10 tls break; 204 1.10 tls default: 205 1.10 tls setparity("none"); 206 1.10 tls break; 207 1.10 tls } 208 1.10 tls setcharacter(value(ESCAPE), useresc); 209 1.10 tls setboolean(value(VERBOSE), FALSE); 210 1.10 tls if (HW) { 211 1.10 tls if (ttysetup(BR) != 0) { 212 1.10 tls warnx("unsupported speed %ld", BR); 213 1.10 tls daemon_uid(); 214 1.10 tls (void)uu_unlock(uucplock); 215 1.10 tls exit(3); 216 1.10 tls } 217 1.10 tls } 218 1.1 cgd if (connect()) { 219 1.10 tls warnx("Connect failed"); 220 1.1 cgd daemon_uid(); 221 1.1 cgd (void)uu_unlock(uucplock); 222 1.1 cgd exit(1); 223 1.1 cgd } 224 1.10 tls if (!HW) { 225 1.10 tls if (ttysetup(BR) != 0) { 226 1.10 tls warnx("unsupported speed %ld", BR); 227 1.10 tls daemon_uid(); 228 1.10 tls (void)uu_unlock(uucplock); 229 1.10 tls exit(3); 230 1.10 tls } 231 1.10 tls } 232 1.10 tls } 233 1.10 tls 234 1.10 tls static void 235 1.10 tls cuusage(void) 236 1.10 tls { 237 1.10 tls fprintf(stderr, "Usage: cu [options] [phone-number]\n" 238 1.10 tls "Use cu --help for help\n"); 239 1.10 tls exit(8); 240 1.10 tls } 241 1.10 tls 242 1.10 tls static void 243 1.10 tls cuhelp(void) 244 1.10 tls { 245 1.10 tls fprintf(stderr, 246 1.10 tls "BSD tip/cu\n" 247 1.10 tls "Usage: cu [options] [phone-number]\n" 248 1.10 tls " -E,--escape char: Use this escape character\n" 249 1.10 tls " -a, -p,--port port: Use this port as ACU/Dialer\n" 250 1.10 tls " -c,--phone number: Call this number\n" 251 1.10 tls " -h: Echo characters locally (use \"half duplex\")\n" 252 1.10 tls " -e: Use even parity\n" 253 1.10 tls " -o: Use odd parity\n" 254 1.10 tls " -P,--parity {even,odd,none}: use even, odd, no parity\n" 255 1.10 tls " -l,-line line: Use this device (ttyXX)\n" 256 1.10 tls " -s,--speed,--baud speed,-#: Use this speed\n" 257 1.10 tls " -t: Connect via hard-wired connection\n"); 258 1.6 lukem exit(0); 259 1.1 cgd } 260
Indexes created Wed Sep 24 22:09:59 GMT 2025