main.c revision 1.2
1 /* 2 * Copyright (c) 1988, 1990 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 char copyright[] = 36 "@(#) Copyright (c) 1988, 1990 Regents of the University of California.\n\ 37 All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 /*static char sccsid[] = "from: @(#)main.c 5.4 (Berkeley) 3/22/91";*/ 42 static char rcsid[] = "$Id: main.c,v 1.2 1993/08/01 18:07:24 mycroft Exp $"; 43 #endif /* not lint */ 44 45 #include <sys/types.h> 46 47 #include "ring.h" 48 #include "externs.h" 49 #include "defines.h" 50 51 /* 52 * Initialize variables. 53 */ 54 void 55 tninit() 56 { 57 init_terminal(); 58 59 init_network(); 60 61 init_telnet(); 62 63 init_sys(); 64 65 #if defined(TN3270) 66 init_3270(); 67 #endif 68 } 69 70 void 71 usage() 72 { 73 fprintf(stderr, "Usage: %s %s%s%s%s\n", 74 prompt, 75 #ifdef AUTHENTICATE 76 " [-8] [-E] [-K] [-L] [-X atype] [-a] [-d] [-e char] [-k realm]", 77 "\n\t[-l user] [-n tracefile] ", 78 #else 79 " [-8] [-E] [-L] [-a] [-d] [-e char] [-l user] [-n tracefile]", 80 "\n\t", 81 #endif 82 #if defined(TN3270) && defined(unix) 83 # ifdef AUTHENTICATE 84 "[-noasynch] [-noasynctty] [-noasyncnet]\n\t[-r] [-t transcom] ", 85 # else 86 "[-noasynch] [-noasynctty] [-noasyncnet] [-r] [-t transcom]\n\t", 87 # endif 88 #else 89 "[-r] ", 90 #endif 91 #ifdef ENCRYPT 92 "[-x] [host-name [port]]" 93 #else 94 "[host-name [port]]" 95 #endif 96 ); 97 exit(1); 98 } 99 100 /* 101 * main. Parse arguments, invoke the protocol or command parser. 102 */ 103 104 105 main(argc, argv) 106 int argc; 107 char *argv[]; 108 { 109 extern char *optarg; 110 extern int optind; 111 int ch; 112 char *user, *strrchr(); 113 114 tninit(); /* Clear out things */ 115 #if defined(CRAY) && !defined(__STDC__) 116 _setlist_init(); /* Work around compiler bug */ 117 #endif 118 119 TerminalSaveState(); 120 121 if (prompt = strrchr(argv[0], '/')) 122 ++prompt; 123 else 124 prompt = argv[0]; 125 126 user = NULL; 127 128 rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE; 129 autologin = -1; 130 131 while ((ch = getopt(argc, argv, "8EKLS:X:ade:k:l:n:rt:x")) != EOF) { 132 switch(ch) { 133 case '8': 134 eight = 3; /* binary output and input */ 135 break; 136 case 'E': 137 rlogin = escape = _POSIX_VDISABLE; 138 break; 139 case 'K': 140 #ifdef AUTHENTICATE 141 autologin = 0; 142 #endif 143 break; 144 case 'L': 145 eight |= 2; /* binary output only */ 146 break; 147 case 'S': 148 { 149 #ifdef HAS_GETTOS 150 extern int tos; 151 152 if ((tos = parsetos(optarg, "tcp")) < 0) 153 fprintf(stderr, "%s%s%s%s\n", 154 prompt, ": Bad TOS argument '", 155 optarg, 156 "; will try to use default TOS"); 157 #else 158 fprintf(stderr, 159 "%s: Warning: -S ignored, no parsetos() support.\n", 160 prompt); 161 #endif 162 } 163 break; 164 case 'X': 165 #ifdef AUTHENTICATE 166 auth_disable_name(optarg); 167 #endif 168 break; 169 case 'a': 170 autologin = 1; 171 break; 172 case 'c': 173 skiprc = 1; 174 break; 175 case 'd': 176 debug = 1; 177 break; 178 case 'e': 179 set_escape_char(optarg); 180 break; 181 case 'k': 182 #if defined(AUTHENTICATE) && defined(KRB4) 183 { 184 extern char *dest_realm, dst_realm_buf[], dst_realm_sz; 185 dest_realm = dst_realm_buf; 186 (void)strncpy(dest_realm, optarg, dst_realm_sz); 187 } 188 #else 189 fprintf(stderr, 190 "%s: Warning: -k ignored, no Kerberos V4 support.\n", 191 prompt); 192 #endif 193 break; 194 case 'l': 195 autologin = 1; 196 user = optarg; 197 break; 198 case 'n': 199 #if defined(TN3270) && defined(unix) 200 /* distinguish between "-n oasynch" and "-noasynch" */ 201 if (argv[optind - 1][0] == '-' && argv[optind - 1][1] 202 == 'n' && argv[optind - 1][2] == 'o') { 203 if (!strcmp(optarg, "oasynch")) { 204 noasynchtty = 1; 205 noasynchnet = 1; 206 } else if (!strcmp(optarg, "oasynchtty")) 207 noasynchtty = 1; 208 else if (!strcmp(optarg, "oasynchnet")) 209 noasynchnet = 1; 210 } else 211 #endif /* defined(TN3270) && defined(unix) */ 212 SetNetTrace(optarg); 213 break; 214 case 'r': 215 rlogin = '~'; 216 break; 217 case 't': 218 #if defined(TN3270) && defined(unix) 219 transcom = tline; 220 (void)strcpy(transcom, optarg); 221 #else 222 fprintf(stderr, 223 "%s: Warning: -t ignored, no TN3270 support.\n", 224 prompt); 225 #endif 226 break; 227 case 'x': 228 #ifdef ENCRYPT 229 encrypt_auto(1); 230 decrypt_auto(1); 231 #else 232 fprintf(stderr, 233 "%s: Warning: -x ignored, no ENCRYPT support.\n", 234 prompt); 235 #endif 236 break; 237 case '?': 238 default: 239 usage(); 240 /* NOTREACHED */ 241 } 242 } 243 if (autologin == -1) 244 autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1; 245 246 argc -= optind; 247 argv += optind; 248 249 if (argc) { 250 char *args[7], **argp = args; 251 252 if (argc > 2) 253 usage(); 254 *argp++ = prompt; 255 if (user) { 256 *argp++ = "-l"; 257 *argp++ = user; 258 } 259 *argp++ = argv[0]; /* host */ 260 if (argc > 1) 261 *argp++ = argv[1]; /* port */ 262 *argp = 0; 263 264 if (setjmp(toplevel) != 0) 265 Exit(0); 266 if (tn(argp - args, args) == 1) 267 return (0); 268 else 269 return (1); 270 } 271 (void)setjmp(toplevel); 272 for (;;) { 273 #ifdef TN3270 274 if (shell_active) 275 shell_continue(); 276 else 277 #endif 278 command(1, 0, 0); 279 } 280 } 281
Indexes created Thu Oct 23 18:09:57 GMT 2025