1 /* 2 * Copyright (c) 1988, 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char copyright[] = 10 "@(#) Copyright (c) 1988, 1990, 1993\n\ 11 The Regents of the University of California. All rights reserved.\n"; 12 #endif /* not lint */ 13 14 #ifndef lint 15 static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 06/06/93"; 16 #endif /* not lint */ 17 18 #include <sys/types.h> 19 20 #include "ring.h" 21 #include "externs.h" 22 #include "defines.h" 23 24 /* 25 * Initialize variables. 26 */ 27 void 28 tninit() 29 { 30 init_terminal(); 31 32 init_network(); 33 34 init_telnet(); 35 36 init_sys(); 37 38 #if defined(TN3270) 39 init_3270(); 40 #endif 41 } 42 43 void 44 usage() 45 { 46 fprintf(stderr, "Usage: %s %s%s%s%s\n", 47 prompt, 48 #ifdef AUTHENTICATION 49 "[-8] [-E] [-K] [-L] [-S tos] [-X atype] [-a] [-c] [-d] [-e char]", 50 "\n\t[-k realm] [-l user] [-n tracefile] ", 51 #else 52 "[-8] [-E] [-L] [-S tos] [-a] [-c] [-d] [-e char] [-l user]", 53 "\n\t[-n tracefile]", 54 #endif 55 #if defined(TN3270) && defined(unix) 56 # ifdef AUTHENTICATION 57 "[-noasynch] [-noasynctty]\n\t[-noasyncnet] [-r] [-t transcom] ", 58 # else 59 "[-noasynch] [-noasynctty] [-noasyncnet] [-r]\n\t[-t transcom]", 60 # endif 61 #else 62 "[-r] ", 63 #endif 64 #ifdef ENCRYPTION 65 "[-x] [host-name [port]]" 66 #else /* ENCRYPTION */ 67 "[host-name [port]]" 68 #endif /* ENCRYPTION */ 69 ); 70 exit(1); 71 } 72 73 /* 74 * main. Parse arguments, invoke the protocol or command parser. 75 */ 76 77 78 main(argc, argv) 79 int argc; 80 char *argv[]; 81 { 82 extern char *optarg; 83 extern int optind; 84 int ch; 85 char *user, *strrchr(); 86 87 tninit(); /* Clear out things */ 88 #if defined(CRAY) && !defined(__STDC__) 89 _setlist_init(); /* Work around compiler bug */ 90 #endif 91 92 TerminalSaveState(); 93 94 if (prompt = strrchr(argv[0], '/')) 95 ++prompt; 96 else 97 prompt = argv[0]; 98 99 user = NULL; 100 101 rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE; 102 autologin = -1; 103 104 while ((ch = getopt(argc, argv, "8EKLS:X:acde:k:l:n:rt:x")) != EOF) { 105 switch(ch) { 106 case '8': 107 eight = 3; /* binary output and input */ 108 break; 109 case 'E': 110 rlogin = escape = _POSIX_VDISABLE; 111 break; 112 case 'K': 113 #ifdef AUTHENTICATION 114 autologin = 0; 115 #endif 116 break; 117 case 'L': 118 eight |= 2; /* binary output only */ 119 break; 120 case 'S': 121 { 122 #ifdef HAS_GETTOS 123 extern int tos; 124 125 if ((tos = parsetos(optarg, "tcp")) < 0) 126 fprintf(stderr, "%s%s%s%s\n", 127 prompt, ": Bad TOS argument '", 128 optarg, 129 "; will try to use default TOS"); 130 #else 131 fprintf(stderr, 132 "%s: Warning: -S ignored, no parsetos() support.\n", 133 prompt); 134 #endif 135 } 136 break; 137 case 'X': 138 #ifdef AUTHENTICATION 139 auth_disable_name(optarg); 140 #endif 141 break; 142 case 'a': 143 autologin = 1; 144 break; 145 case 'c': 146 skiprc = 1; 147 break; 148 case 'd': 149 debug = 1; 150 break; 151 case 'e': 152 set_escape_char(optarg); 153 break; 154 case 'k': 155 #if defined(AUTHENTICATION) && defined(KRB4) 156 { 157 extern char *dest_realm, dst_realm_buf[], dst_realm_sz; 158 dest_realm = dst_realm_buf; 159 (void)strncpy(dest_realm, optarg, dst_realm_sz); 160 } 161 #else 162 fprintf(stderr, 163 "%s: Warning: -k ignored, no Kerberos V4 support.\n", 164 prompt); 165 #endif 166 break; 167 case 'l': 168 autologin = 1; 169 user = optarg; 170 break; 171 case 'n': 172 #if defined(TN3270) && defined(unix) 173 /* distinguish between "-n oasynch" and "-noasynch" */ 174 if (argv[optind - 1][0] == '-' && argv[optind - 1][1] 175 == 'n' && argv[optind - 1][2] == 'o') { 176 if (!strcmp(optarg, "oasynch")) { 177 noasynchtty = 1; 178 noasynchnet = 1; 179 } else if (!strcmp(optarg, "oasynchtty")) 180 noasynchtty = 1; 181 else if (!strcmp(optarg, "oasynchnet")) 182 noasynchnet = 1; 183 } else 184 #endif /* defined(TN3270) && defined(unix) */ 185 SetNetTrace(optarg); 186 break; 187 case 'r': 188 rlogin = '~'; 189 break; 190 case 't': 191 #if defined(TN3270) && defined(unix) 192 transcom = tline; 193 (void)strcpy(transcom, optarg); 194 #else 195 fprintf(stderr, 196 "%s: Warning: -t ignored, no TN3270 support.\n", 197 prompt); 198 #endif 199 break; 200 case 'x': 201 #ifdef ENCRYPTION 202 encrypt_auto(1); 203 decrypt_auto(1); 204 #else /* ENCRYPTION */ 205 fprintf(stderr, 206 "%s: Warning: -x ignored, no ENCRYPT support.\n", 207 prompt); 208 #endif /* ENCRYPTION */ 209 break; 210 case '?': 211 default: 212 usage(); 213 /* NOTREACHED */ 214 } 215 } 216 if (autologin == -1) 217 autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1; 218 219 argc -= optind; 220 argv += optind; 221 222 if (argc) { 223 char *args[7], **argp = args; 224 225 if (argc > 2) 226 usage(); 227 *argp++ = prompt; 228 if (user) { 229 *argp++ = "-l"; 230 *argp++ = user; 231 } 232 *argp++ = argv[0]; /* host */ 233 if (argc > 1) 234 *argp++ = argv[1]; /* port */ 235 *argp = 0; 236 237 if (setjmp(toplevel) != 0) 238 Exit(0); 239 if (tn(argp - args, args) == 1) 240 return (0); 241 else 242 return (1); 243 } 244 (void)setjmp(toplevel); 245 for (;;) { 246 #ifdef TN3270 247 if (shell_active) 248 shell_continue(); 249 else 250 #endif 251 command(1, 0, 0); 252 } 253 } 254