main.c revision 1.1
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[] = "@(#)main.c 5.4 (Berkeley) 3/22/91"; 42 #endif /* not lint */ 43 44 #include <sys/types.h> 45 46 #include "ring.h" 47 #include "externs.h" 48 #include "defines.h" 49 50 /* 51 * Initialize variables. 52 */ 53 void 54 tninit() 55 { 56 init_terminal(); 57 58 init_network(); 59 60 init_telnet(); 61 62 init_sys(); 63 64 #if defined(TN3270) 65 init_3270(); 66 #endif 67 } 68 69 void 70 usage() 71 { 72 fprintf(stderr, "Usage: %s %s%s%s%s\n", 73 prompt, 74 #ifdef AUTHENTICATE 75 " [-8] [-E] [-K] [-L] [-X atype] [-a] [-d] [-e char] [-k realm]", 76 "\n\t[-l user] [-n tracefile] ", 77 #else 78 " [-8] [-E] [-L] [-a] [-d] [-e char] [-l user] [-n tracefile]", 79 "\n\t", 80 #endif 81 #if defined(TN3270) && defined(unix) 82 # ifdef AUTHENTICATE 83 "[-noasynch] [-noasynctty] [-noasyncnet]\n\t[-r] [-t transcom] ", 84 # else 85 "[-noasynch] [-noasynctty] [-noasyncnet] [-r] [-t transcom]\n\t", 86 # endif 87 #else 88 "[-r] ", 89 #endif 90 #ifdef ENCRYPT 91 "[-x] [host-name [port]]" 92 #else 93 "[host-name [port]]" 94 #endif 95 ); 96 exit(1); 97 } 98 99 /* 100 * main. Parse arguments, invoke the protocol or command parser. 101 */ 102 103 104 main(argc, argv) 105 int argc; 106 char *argv[]; 107 { 108 extern char *optarg; 109 extern int optind; 110 int ch; 111 char *user, *strrchr(); 112 113 tninit(); /* Clear out things */ 114 #if defined(CRAY) && !defined(__STDC__) 115 _setlist_init(); /* Work around compiler bug */ 116 #endif 117 118 TerminalSaveState(); 119 120 if (prompt = strrchr(argv[0], '/')) 121 ++prompt; 122 else 123 prompt = argv[0]; 124 125 user = NULL; 126 127 rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE; 128 autologin = -1; 129 130 while ((ch = getopt(argc, argv, "8EKLS:X:ade:k:l:n:rt:x")) != EOF) { 131 switch(ch) { 132 case '8': 133 eight = 3; /* binary output and input */ 134 break; 135 case 'E': 136 rlogin = escape = _POSIX_VDISABLE; 137 break; 138 case 'K': 139 #ifdef AUTHENTICATE 140 autologin = 0; 141 #endif 142 break; 143 case 'L': 144 eight |= 2; /* binary output only */ 145 break; 146 case 'S': 147 { 148 #ifdef HAS_GETTOS 149 extern int tos; 150 151 if ((tos = parsetos(optarg, "tcp")) < 0) 152 fprintf(stderr, "%s%s%s%s\n", 153 prompt, ": Bad TOS argument '", 154 optarg, 155 "; will try to use default TOS"); 156 #else 157 fprintf(stderr, 158 "%s: Warning: -S ignored, no parsetos() support.\n", 159 prompt); 160 #endif 161 } 162 break; 163 case 'X': 164 #ifdef AUTHENTICATE 165 auth_disable_name(optarg); 166 #endif 167 break; 168 case 'a': 169 autologin = 1; 170 break; 171 case 'c': 172 skiprc = 1; 173 break; 174 case 'd': 175 debug = 1; 176 break; 177 case 'e': 178 set_escape_char(optarg); 179 break; 180 case 'k': 181 #if defined(AUTHENTICATE) && defined(KRB4) 182 { 183 extern char *dest_realm, dst_realm_buf[], dst_realm_sz; 184 dest_realm = dst_realm_buf; 185 (void)strncpy(dest_realm, optarg, dst_realm_sz); 186 } 187 #else 188 fprintf(stderr, 189 "%s: Warning: -k ignored, no Kerberos V4 support.\n", 190 prompt); 191 #endif 192 break; 193 case 'l': 194 autologin = 1; 195 user = optarg; 196 break; 197 case 'n': 198 #if defined(TN3270) && defined(unix) 199 /* distinguish between "-n oasynch" and "-noasynch" */ 200 if (argv[optind - 1][0] == '-' && argv[optind - 1][1] 201 == 'n' && argv[optind - 1][2] == 'o') { 202 if (!strcmp(optarg, "oasynch")) { 203 noasynchtty = 1; 204 noasynchnet = 1; 205 } else if (!strcmp(optarg, "oasynchtty")) 206 noasynchtty = 1; 207 else if (!strcmp(optarg, "oasynchnet")) 208 noasynchnet = 1; 209 } else 210 #endif /* defined(TN3270) && defined(unix) */ 211 SetNetTrace(optarg); 212 break; 213 case 'r': 214 rlogin = '~'; 215 break; 216 case 't': 217 #if defined(TN3270) && defined(unix) 218 transcom = tline; 219 (void)strcpy(transcom, optarg); 220 #else 221 fprintf(stderr, 222 "%s: Warning: -t ignored, no TN3270 support.\n", 223 prompt); 224 #endif 225 break; 226 case 'x': 227 #ifdef ENCRYPT 228 encrypt_auto(1); 229 decrypt_auto(1); 230 #else 231 fprintf(stderr, 232 "%s: Warning: -x ignored, no ENCRYPT support.\n", 233 prompt); 234 #endif 235 break; 236 case '?': 237 default: 238 usage(); 239 /* NOTREACHED */ 240 } 241 } 242 if (autologin == -1) 243 autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1; 244 245 argc -= optind; 246 argv += optind; 247 248 if (argc) { 249 char *args[7], **argp = args; 250 251 if (argc > 2) 252 usage(); 253 *argp++ = prompt; 254 if (user) { 255 *argp++ = "-l"; 256 *argp++ = user; 257 } 258 *argp++ = argv[0]; /* host */ 259 if (argc > 1) 260 *argp++ = argv[1]; /* port */ 261 *argp = 0; 262 263 if (setjmp(toplevel) != 0) 264 Exit(0); 265 if (tn(argp - args, args) == 1) 266 return (0); 267 else 268 return (1); 269 } 270 (void)setjmp(toplevel); 271 for (;;) { 272 #ifdef TN3270 273 if (shell_active) 274 shell_continue(); 275 else 276 #endif 277 command(1, 0, 0); 278 } 279 } 280
Indexes created Tue Sep 23 07:09:52 GMT 2025