| 1 | /* sysinf.c |
| 2 | Functions to read system information for the UUCP package. |
| 3 | |
| 4 | Copyright (C) 1991, 1992 Ian Lance Taylor |
| 5 | |
| 6 | This file is part of the Taylor UUCP package. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or |
| 9 | modify it under the terms of the GNU General Public License as |
| 10 | published by the Free Software Foundation; either version 2 of the |
| 11 | License, or (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, but |
| 14 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 21 | |
| 22 | The author of the program may be contacted at ian@airs.com or |
| 23 | c/o AIRS, P.O. Box 520, Waltham, MA 02254. |
| 24 | |
| 25 | $Log: sysinf.c,v $ |
| 26 | Revision 1.24 1992/04/02 22:51:09 ian |
| 27 | Add gcc 2.0 format checking to ulog, and fixed discovered problems |
| 28 | |
| 29 | Revision 1.23 1992/03/30 04:49:10 ian |
| 30 | Niels Baggesen: added debugging types abnormal and uucp-proto |
| 31 | |
| 32 | Revision 1.22 1992/03/28 21:47:55 ian |
| 33 | David J. MacKenzie: allow backslash to quote newline in config files |
| 34 | |
| 35 | Revision 1.21 1992/03/28 20:31:55 ian |
| 36 | Franc,ois Pinard: allow a name to be given to an alternate |
| 37 | |
| 38 | Revision 1.20 1992/03/24 17:18:33 ian |
| 39 | Fixed handling of alternates in file-wide defaults |
| 40 | |
| 41 | Revision 1.19 1992/03/16 04:30:57 ian |
| 42 | Permit a retry time for the time and timegrade commands |
| 43 | |
| 44 | Revision 1.18 1992/03/13 16:17:42 ian |
| 45 | Chip Salzenberg: set default login chat script timeout to 10 seconds |
| 46 | |
| 47 | Revision 1.17 1992/03/12 19:54:43 ian |
| 48 | Debugging based on types rather than number |
| 49 | |
| 50 | Revision 1.16 1992/03/09 20:14:37 ian |
| 51 | Ted Lindgreen: added max-remote-debug command |
| 52 | |
| 53 | Revision 1.15 1992/03/07 02:56:30 ian |
| 54 | Rewrote time routines |
| 55 | |
| 56 | Revision 1.14 1992/03/03 06:06:48 ian |
| 57 | T. William Wells: don't complain about missing configuration files |
| 58 | |
| 59 | Revision 1.13 1992/02/23 19:50:50 ian |
| 60 | Handle READ and WRITE in Permissions correctly |
| 61 | |
| 62 | Revision 1.12 1992/02/08 03:54:18 ian |
| 63 | Include <string.h> only in <uucp.h>, added 1992 copyright |
| 64 | |
| 65 | Revision 1.11 1992/01/13 05:17:30 ian |
| 66 | Mike Park: wrong number of arguments to ulog call |
| 67 | |
| 68 | Revision 1.10 1992/01/07 15:23:50 ian |
| 69 | Niels Baggesen: allocate number of protocol parameters correctly |
| 70 | |
| 71 | Revision 1.9 1991/12/28 03:49:23 ian |
| 72 | Added HAVE_MEMFNS and HAVE_BFNS; changed uses of memset to bzero |
| 73 | |
| 74 | Revision 1.8 1991/12/23 05:15:54 ian |
| 75 | David Nugent: set debugging level for a specific system |
| 76 | |
| 77 | Revision 1.7 1991/12/17 17:08:02 ian |
| 78 | Marc Unangst: allow true and false for boolean strings as documented |
| 79 | |
| 80 | Revision 1.6 1991/12/15 04:17:11 ian |
| 81 | Added chat-seven-bit command to control parity bit stripping |
| 82 | |
| 83 | Revision 1.5 1991/12/15 03:42:33 ian |
| 84 | Added tprocess_chat_cmd for all chat commands, and added CMDTABTYPE_PREFIX |
| 85 | |
| 86 | Revision 1.4 1991/11/13 20:38:00 ian |
| 87 | Added TCP port type for connections over TCP |
| 88 | |
| 89 | Revision 1.3 1991/11/12 19:47:04 ian |
| 90 | Add called-chat set of commands to run a chat script on an incoming call |
| 91 | |
| 92 | Revision 1.2 1991/11/11 23:47:24 ian |
| 93 | Added chat-program to run a program to do a chat script |
| 94 | |
| 95 | Revision 1.1 1991/09/10 19:40:31 ian |
| 96 | Initial revision |
| 97 | |
| 98 | */ |
| 99 | |
| 100 | #include "uucp.h" |
| 101 | |
| 102 | #if USE_RCS_ID |
| 103 | char sysinf_rcsid[] = "$Id: sysinf.c,v 1.24 1992/04/02 22:51:09 ian Rel $"; |
| 104 | #endif |
| 105 | |
| 106 | #include <ctype.h> |
| 107 | #include <errno.h> |
| 108 | |
| 109 | #include "port.h" |
| 110 | #include "system.h" |
| 111 | #include "uutime.h" |
| 112 | \f |
| 113 | /* Whether we accept calls from unknown systems. */ |
| 114 | boolean fUnknown_ok = FALSE; |
| 115 | |
| 116 | /* Information we hold for an unknown system. */ |
| 117 | struct ssysteminfo sUnknown; |
| 118 | |
| 119 | /* Information we hold for the local system. */ |
| 120 | struct ssysteminfo sLocalsys; |
| 121 | \f |
| 122 | #if HAVE_TAYLOR_CONFIG |
| 123 | |
| 124 | /* I don't find the system file format used by either V2 or BNU UUCP |
| 125 | very intuitive, so I've developed my own format. This replaces the |
| 126 | files L.sys and USERFILE for V2, and Systems and Permissions for |
| 127 | BNU. The complete format is described in a separate document. */ |
| 128 | |
| 129 | /* Some local functions. */ |
| 130 | static void uiset_clear P((boolean falternate)); |
| 131 | |
| 132 | /* Set when we read the first line of a new file, to indicate that a |
| 133 | new set of defaults should be gathered. */ |
| 134 | static boolean fIfirst; |
| 135 | |
| 136 | /* This structure holds system information as it is gathered. */ |
| 137 | static struct ssysteminfo sIhold; |
| 138 | |
| 139 | /* Default information. */ |
| 140 | static struct ssysteminfo sIdefault; |
| 141 | |
| 142 | /* The name of the next system. */ |
| 143 | static char *zInext_system; |
| 144 | |
| 145 | /* The list of alternates to draw from. */ |
| 146 | static struct ssysteminfo *qIalternates; |
| 147 | |
| 148 | /* Whether to use default alternates. */ |
| 149 | static boolean fIdefault_alternates; |
| 150 | |
| 151 | /* There are several commands for which we want to take the default if |
| 152 | provided, but we don't want to add to the default. For example, |
| 153 | each system can have multiple time specifications (using different |
| 154 | grades), which is implemented by adding each new time specification |
| 155 | to the previous ones. We want to allow default time specifications. |
| 156 | However, if a system has time specifications, we don't want to add |
| 157 | its time specifications to the default ones. We handle this with a |
| 158 | set of boolean variables which we set to tell the adding functions |
| 159 | to ignore any existing entry; when an entry has been added, the |
| 160 | boolean variable is cleared. */ |
| 161 | static boolean fIclear_alias; |
| 162 | static boolean fIclear_alternate; |
| 163 | static boolean fIclear_time; |
| 164 | static boolean fIclear_calltimegrade; |
| 165 | static boolean fIclear_call_local_size; |
| 166 | static boolean fIclear_call_remote_size; |
| 167 | static boolean fIclear_called_local_size; |
| 168 | static boolean fIclear_called_remote_size; |
| 169 | static boolean fIclear_port; |
| 170 | static boolean fIclear_chat_fail; |
| 171 | static boolean fIclear_proto_param; |
| 172 | static boolean fIclear_called_chat_fail; |
| 173 | |
| 174 | /* Local functions needed to parse the system information file. */ |
| 175 | |
| 176 | #define CMDTABFN(z) \ |
| 177 | static enum tcmdtabret z P((int, char **, pointer, const char *)) |
| 178 | |
| 179 | CMDTABFN (ticlear); |
| 180 | CMDTABFN (tisystem); |
| 181 | CMDTABFN (tialias); |
| 182 | CMDTABFN (tialternate); |
| 183 | CMDTABFN (titime); |
| 184 | CMDTABFN (titimegrade); |
| 185 | CMDTABFN (ticall_local_size); |
| 186 | CMDTABFN (ticall_remote_size); |
| 187 | CMDTABFN (ticalled_local_size); |
| 188 | CMDTABFN (ticalled_remote_size); |
| 189 | CMDTABFN (titimetable); |
| 190 | CMDTABFN (tiport); |
| 191 | CMDTABFN (tichat); |
| 192 | CMDTABFN (ticalled_login); |
| 193 | CMDTABFN (tiproto_param); |
| 194 | CMDTABFN (tirequest); |
| 195 | CMDTABFN (titransfer); |
| 196 | |
| 197 | #undef CMDTABFN |
| 198 | |
| 199 | /* The commands accepted from the system information file. */ |
| 200 | |
| 201 | static const struct scmdtab asIcmds[] = |
| 202 | { |
| 203 | { "#", CMDTABTYPE_FN | 1, NULL, ticlear }, |
| 204 | { "system", CMDTABTYPE_FN | 2, NULL, tisystem }, |
| 205 | { "alias", CMDTABTYPE_FN | 2, NULL, tialias }, |
| 206 | { "alternate", CMDTABTYPE_FN | 0, NULL, tialternate }, |
| 207 | { "default-alternates", CMDTABTYPE_BOOLEAN, |
| 208 | (pointer) &fIdefault_alternates, NULL }, |
| 209 | { "time", CMDTABTYPE_FN | 0, NULL, titime }, |
| 210 | { "timegrade", CMDTABTYPE_FN | 0, (pointer) &sIhold.ztime, titimegrade }, |
| 211 | { "call-timegrade", CMDTABTYPE_FN | 3, (pointer) &sIhold.zcalltimegrade, |
| 212 | titimegrade }, |
| 213 | { "call-local-size", CMDTABTYPE_FN | 3, NULL, ticall_local_size }, |
| 214 | { "call-remote-size", CMDTABTYPE_FN | 3, NULL, ticall_remote_size }, |
| 215 | { "called-local-size", CMDTABTYPE_FN | 3, NULL, ticalled_local_size }, |
| 216 | { "called-remote-size", CMDTABTYPE_FN | 3, NULL, ticalled_remote_size }, |
| 217 | { "timetable", CMDTABTYPE_FN | 3, NULL, titimetable }, |
| 218 | { "baud", CMDTABTYPE_LONG, (pointer) &sIhold.ibaud, NULL }, |
| 219 | { "speed", CMDTABTYPE_LONG, (pointer) &sIhold.ibaud, NULL }, |
| 220 | { "port", CMDTABTYPE_FN | 0, NULL, tiport }, |
| 221 | { "phone", CMDTABTYPE_STRING, (pointer) &sIhold.zphone, NULL }, |
| 222 | { "address", CMDTABTYPE_STRING, (pointer) &sIhold.zphone, NULL }, |
| 223 | { "chat", CMDTABTYPE_PREFIX | 0, (pointer) &sIhold.schat, tichat }, |
| 224 | { "call-login", CMDTABTYPE_STRING, (pointer) &sIhold.zcall_login, NULL }, |
| 225 | { "call-password", CMDTABTYPE_STRING, (pointer) &sIhold.zcall_password, |
| 226 | NULL }, |
| 227 | { "called-login", CMDTABTYPE_FN | 0, NULL, ticalled_login }, |
| 228 | { "callback", CMDTABTYPE_BOOLEAN, (pointer) &sIhold.fcallback, NULL }, |
| 229 | { "sequence", CMDTABTYPE_BOOLEAN, (pointer) &sIhold.fsequence, NULL }, |
| 230 | { "protocol", CMDTABTYPE_STRING, (pointer) &sIhold.zprotocols, NULL }, |
| 231 | { "protocol-parameter", CMDTABTYPE_FN | 0, NULL, tiproto_param }, |
| 232 | { "called-chat", CMDTABTYPE_PREFIX | 0, (pointer) &sIhold.scalled_chat, |
| 233 | tichat }, |
| 234 | #if DEBUG > 1 |
| 235 | { "debug", CMDTABTYPE_FN | 0, (pointer) &sIhold.idebug, tidebug_parse }, |
| 236 | { "max-remote-debug", CMDTABTYPE_FN | 0, |
| 237 | (pointer) &sIhold.imax_remote_debug, tidebug_parse }, |
| 238 | #endif |
| 239 | { "call-request", CMDTABTYPE_BOOLEAN, (pointer) &sIhold.fcall_request, |
| 240 | NULL }, |
| 241 | { "called-request", CMDTABTYPE_BOOLEAN, (pointer) &sIhold.fcalled_request, |
| 242 | NULL }, |
| 243 | { "request", CMDTABTYPE_FN | 2, NULL, tirequest }, |
| 244 | { "call-transfer", CMDTABTYPE_BOOLEAN, (pointer) &sIhold.fcall_transfer, |
| 245 | NULL }, |
| 246 | { "called-transfer", CMDTABTYPE_BOOLEAN, |
| 247 | (pointer) &sIhold.fcalled_transfer, NULL }, |
| 248 | { "transfer", CMDTABTYPE_FN | 2, NULL, titransfer }, |
| 249 | { "local-send", CMDTABTYPE_FULLSTRING, (pointer) &sIhold.zlocal_send, |
| 250 | NULL }, |
| 251 | { "remote-send", CMDTABTYPE_FULLSTRING, (pointer) &sIhold.zremote_send, |
| 252 | NULL }, |
| 253 | { "local-receive", CMDTABTYPE_FULLSTRING, |
| 254 | (pointer) &sIhold.zlocal_receive, NULL }, |
| 255 | { "remote-receive", CMDTABTYPE_FULLSTRING, |
| 256 | (pointer) &sIhold.zremote_receive, NULL }, |
| 257 | { "command-path", CMDTABTYPE_FULLSTRING, (pointer) &sIhold.zpath, NULL }, |
| 258 | { "commands", CMDTABTYPE_FULLSTRING, (pointer) &sIhold.zcmds, NULL }, |
| 259 | { "free-space", CMDTABTYPE_LONG, (pointer) &sIhold.cfree_space, NULL }, |
| 260 | { "forwardto", CMDTABTYPE_FULLSTRING, (pointer) &sIhold.zforwardto, NULL }, |
| 261 | { "forward-to", CMDTABTYPE_FULLSTRING, (pointer) &sIhold.zforwardto, NULL }, |
| 262 | { "pubdir", CMDTABTYPE_STRING, (pointer) &sIhold.zpubdir, NULL }, |
| 263 | { "myname", CMDTABTYPE_STRING, (pointer) &sIhold.zlocalname, NULL }, |
| 264 | { NULL, 0, NULL, NULL } |
| 265 | }; |
| 266 | \f |
| 267 | /* This is called for the first line of each file. It clears the |
| 268 | defaults, so that each file has a different set. */ |
| 269 | |
| 270 | /*ARGSUSED*/ |
| 271 | static enum tcmdtabret |
| 272 | ticlear (argc, argv, pvar, zerr) |
| 273 | int argc; |
| 274 | char **argv; |
| 275 | pointer pvar; |
| 276 | const char *zerr; |
| 277 | { |
| 278 | fIfirst = TRUE; |
| 279 | return CMDTABRET_FREE_AND_EXIT; |
| 280 | } |
| 281 | |
| 282 | /* Process the system command. We store away the system name and exit |
| 283 | out of processing commands to let the main loop handle it. */ |
| 284 | |
| 285 | /*ARGSUSED*/ |
| 286 | static enum tcmdtabret |
| 287 | tisystem (argc, argv, pvar, zerr) |
| 288 | int argc; |
| 289 | char **argv; |
| 290 | pointer pvar; |
| 291 | const char *zerr; |
| 292 | { |
| 293 | const char *z; |
| 294 | |
| 295 | /* System names may only contain alphanumeric characters, |
| 296 | underscores, dashes and dots, and they may not begin with a dot, |
| 297 | at least for now. */ |
| 298 | for (z = argv[1]; *z != '\0'; z++) |
| 299 | { |
| 300 | if (! isalnum (BUCHAR (*z)) |
| 301 | && *z != '_' |
| 302 | && *z != '-' |
| 303 | && (*z != '.' || z == argv[1])) |
| 304 | { |
| 305 | ulog (LOG_ERROR, "%s: %s %s: Illegal character in system name", |
| 306 | zerr, argv[0], argv[1]); |
| 307 | return CMDTABRET_FREE; |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | if (strlen (argv[1]) > cSysdep_max_name_len) |
| 312 | { |
| 313 | ulog (LOG_ERROR, "System name \"%s\" too long (max %d)", argv[1], |
| 314 | cSysdep_max_name_len); |
| 315 | return CMDTABRET_FREE; |
| 316 | } |
| 317 | |
| 318 | zInext_system = argv[1]; |
| 319 | |
| 320 | DEBUG_MESSAGE1 (DEBUG_CONFIG, |
| 321 | "tisystem: Reading system %s", zInext_system); |
| 322 | |
| 323 | return CMDTABRET_EXIT; |
| 324 | } |
| 325 | |
| 326 | /* Process the alias command. */ |
| 327 | |
| 328 | /*ARGSUSED*/ |
| 329 | static enum tcmdtabret |
| 330 | tialias (argc, argv, pvar, zerr) |
| 331 | int argc; |
| 332 | char **argv; |
| 333 | pointer pvar; |
| 334 | const char *zerr; |
| 335 | { |
| 336 | if (fIclear_alias) |
| 337 | { |
| 338 | sIhold.zalias = NULL; |
| 339 | fIclear_alias = FALSE; |
| 340 | } |
| 341 | uadd_string (&sIhold.zalias, argv[1], ' '); |
| 342 | return CMDTABRET_FREE; |
| 343 | } |
| 344 | |
| 345 | /* Process the alternate command. The current information is in |
| 346 | sIhold. We link this onto a chain of alternates starting at |
| 347 | sIalternate. We then set up sIhold with the defaults for the next |
| 348 | alternate. qIalternates holds the list of alternates for the |
| 349 | file-wide defaults, and we use to set up sIhold. We also call |
| 350 | uiset_clear to set all the fIclear_* variables so that commands |
| 351 | like ``time'' know that they should ignore any existing entry. */ |
| 352 | |
| 353 | static struct ssysteminfo sIalternate; |
| 354 | |
| 355 | /*ARGSUSED*/ |
| 356 | static enum tcmdtabret |
| 357 | tialternate (argc, argv, pvar, zerr) |
| 358 | int argc; |
| 359 | char **argv; |
| 360 | pointer pvar; |
| 361 | const char *zerr; |
| 362 | { |
| 363 | if (fIclear_alternate) |
| 364 | { |
| 365 | sIalternate = sIhold; |
| 366 | fIclear_alternate = FALSE; |
| 367 | } |
| 368 | else |
| 369 | { |
| 370 | struct ssysteminfo *qnew; |
| 371 | struct ssysteminfo **pq; |
| 372 | |
| 373 | qnew = (struct ssysteminfo *) xmalloc (sizeof (struct ssysteminfo)); |
| 374 | *qnew = sIhold; |
| 375 | for (pq = &sIalternate.qalternate; *pq != NULL; pq = &(*pq)->qalternate) |
| 376 | ; |
| 377 | *pq = qnew; |
| 378 | sIhold = sIalternate; |
| 379 | sIhold.qalternate = NULL; |
| 380 | } |
| 381 | |
| 382 | /* Clear the name of the next alternate. */ |
| 383 | sIhold.zalternate = NULL; |
| 384 | |
| 385 | /* Now, if there is a default alternate to base this on, we must |
| 386 | override everything not changed before the first ``alternate'' |
| 387 | command to the default alternate. */ |
| 388 | if (fIdefault_alternates |
| 389 | && qIalternates != NULL) |
| 390 | { |
| 391 | if (qIalternates->zalternate != NULL) |
| 392 | sIhold.zalternate = qIalternates->zalternate; |
| 393 | |
| 394 | #define TEST(x) \ |
| 395 | if (sIhold.x == sIdefault.x) \ |
| 396 | sIhold.x = qIalternates->x; |
| 397 | |
| 398 | TEST (ztime); |
| 399 | TEST (zcalltimegrade); |
| 400 | TEST (zcall_local_size); |
| 401 | TEST (zcall_remote_size); |
| 402 | TEST (zcalled_local_size); |
| 403 | TEST (zcalled_remote_size); |
| 404 | TEST (ibaud); |
| 405 | TEST (zport); |
| 406 | TEST (qport); |
| 407 | TEST (zphone); |
| 408 | TEST (schat.zchat); |
| 409 | TEST (schat.zprogram); |
| 410 | TEST (schat.ctimeout); |
| 411 | TEST (schat.zfail); |
| 412 | TEST (zcall_login); |
| 413 | TEST (zcalled_login); |
| 414 | TEST (fcallback); |
| 415 | TEST (zprotocols); |
| 416 | TEST (cproto_params); |
| 417 | TEST (qproto_params); |
| 418 | TEST (scalled_chat.zchat); |
| 419 | TEST (scalled_chat.zprogram); |
| 420 | TEST (scalled_chat.ctimeout); |
| 421 | TEST (scalled_chat.zfail); |
| 422 | #if DEBUG > 1 |
| 423 | TEST (idebug); |
| 424 | TEST (imax_remote_debug); |
| 425 | #endif |
| 426 | TEST (fcall_request); |
| 427 | TEST (fcalled_request); |
| 428 | TEST (fcall_transfer); |
| 429 | TEST (fcalled_transfer); |
| 430 | TEST (zlocal_send); |
| 431 | TEST (zcalled_local_send); |
| 432 | TEST (zremote_send); |
| 433 | TEST (zcalled_remote_send); |
| 434 | TEST (zlocal_receive); |
| 435 | TEST (zcalled_local_receive); |
| 436 | TEST (zremote_receive); |
| 437 | TEST (zcalled_remote_receive); |
| 438 | TEST (zpath); |
| 439 | TEST (zcmds); |
| 440 | TEST (cfree_space); |
| 441 | TEST (zforwardto); |
| 442 | TEST (zpubdir); |
| 443 | TEST (zlocalname); |
| 444 | |
| 445 | #undef TEST |
| 446 | |
| 447 | qIalternates = qIalternates->qalternate; |
| 448 | } |
| 449 | |
| 450 | /* If there is a name for this alternate, put it in. */ |
| 451 | if (argc > 1) |
| 452 | sIhold.zalternate = xstrdup (argv[1]); |
| 453 | |
| 454 | uiset_clear (TRUE); |
| 455 | |
| 456 | return CMDTABRET_FREE; |
| 457 | } |
| 458 | |
| 459 | /* Process the time command. */ |
| 460 | |
| 461 | /*ARGSUSED*/ |
| 462 | static enum tcmdtabret |
| 463 | titime (argc, argv, pvar, zerr) |
| 464 | int argc; |
| 465 | char **argv; |
| 466 | pointer pvar; |
| 467 | const char *zerr; |
| 468 | { |
| 469 | char *pznew[4]; |
| 470 | char ab[2]; |
| 471 | |
| 472 | pznew[0] = argv[0]; |
| 473 | ab[0] = 'z'; |
| 474 | ab[1] = '\0'; |
| 475 | pznew[1] = ab; |
| 476 | pznew[2] = argv[1]; |
| 477 | if (argc > 2) |
| 478 | pznew[3] = argv[2]; |
| 479 | |
| 480 | return titimegrade (argc + 1, pznew, (pointer) &sIhold.ztime, zerr); |
| 481 | } |
| 482 | |
| 483 | /* Process the timegrade and the call-timegrade commands. */ |
| 484 | |
| 485 | static enum tcmdtabret |
| 486 | titimegrade (argc, argv, pvar, zerr) |
| 487 | int argc; |
| 488 | char **argv; |
| 489 | pointer pvar; |
| 490 | const char *zerr; |
| 491 | { |
| 492 | char **pztime = (char **) pvar; |
| 493 | int clen; |
| 494 | char *z; |
| 495 | |
| 496 | if (argc < 3 || argc > 4) |
| 497 | { |
| 498 | ulog (LOG_ERROR, "%s: %s: Wrong number of arguments", zerr, argv[0]); |
| 499 | return CMDTABRET_FREE; |
| 500 | } |
| 501 | |
| 502 | if (argv[1][1] != '\0' || ! FGRADE_LEGAL (argv[1][0])) |
| 503 | { |
| 504 | ulog (LOG_ERROR, "%s: %s: Illegal grade '%s'", zerr, argv[0], |
| 505 | argv[1]); |
| 506 | return CMDTABRET_FREE; |
| 507 | } |
| 508 | |
| 509 | /* We should probably check whether the time string is legal. A |
| 510 | timegrade string is a single character grade, then a time string, |
| 511 | then an optional semicolon and a retry time. */ |
| 512 | |
| 513 | clen = strlen (argv[2]) + 2; |
| 514 | if (argc > 3) |
| 515 | clen += strlen (argv[3]) + 1; |
| 516 | z = (char *) alloca (clen); |
| 517 | *z = argv[1][0]; |
| 518 | strcpy (z + 1, argv[2]); |
| 519 | if (argc > 3) |
| 520 | { |
| 521 | strcat (z, ";"); |
| 522 | strcat (z, argv[3]); |
| 523 | } |
| 524 | |
| 525 | if (pztime == &sIhold.ztime) |
| 526 | { |
| 527 | if (fIclear_time) |
| 528 | { |
| 529 | *pztime = NULL; |
| 530 | fIclear_time = FALSE; |
| 531 | } |
| 532 | } |
| 533 | else |
| 534 | { |
| 535 | if (fIclear_calltimegrade) |
| 536 | { |
| 537 | *pztime = NULL; |
| 538 | fIclear_calltimegrade = FALSE; |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | uadd_string (pztime, z, ' '); |
| 543 | |
| 544 | return CMDTABRET_FREE; |
| 545 | } |
| 546 | |
| 547 | /* Add a size command. */ |
| 548 | |
| 549 | static enum tcmdtabret tiadd_size P((int argc, char **argv, |
| 550 | const char *zerr, boolean *pf, |
| 551 | char **pz)); |
| 552 | |
| 553 | static enum tcmdtabret |
| 554 | tiadd_size (argc, argv, zerr, pf, pz) |
| 555 | int argc; |
| 556 | char **argv; |
| 557 | const char *zerr; |
| 558 | boolean *pf; |
| 559 | char **pz; |
| 560 | { |
| 561 | long cbytes; |
| 562 | char *zend; |
| 563 | char *zarg; |
| 564 | |
| 565 | cbytes = strtol (argv[1], &zend, 10); |
| 566 | if (*zend != '\0') |
| 567 | { |
| 568 | ulog (LOG_ERROR, "%s: %s: Bad number", zerr, argv[0]); |
| 569 | return CMDTABRET_FREE; |
| 570 | } |
| 571 | |
| 572 | /* We should check the legality of the time string here. */ |
| 573 | |
| 574 | if (*pf) |
| 575 | { |
| 576 | *pz = NULL; |
| 577 | *pf = FALSE; |
| 578 | } |
| 579 | |
| 580 | zarg = (char *) alloca (strlen (argv[2]) + 20); |
| 581 | sprintf (zarg, "%ld %s", cbytes, argv[2]); |
| 582 | |
| 583 | uadd_string (pz, zarg, ' '); |
| 584 | |
| 585 | return CMDTABRET_FREE; |
| 586 | } |
| 587 | |
| 588 | /* Process the call-local-size command. */ |
| 589 | |
| 590 | /*ARGSUSED*/ |
| 591 | static enum tcmdtabret |
| 592 | ticall_local_size (argc, argv, pvar, zerr) |
| 593 | int argc; |
| 594 | char **argv; |
| 595 | pointer pvar; |
| 596 | const char *zerr; |
| 597 | { |
| 598 | return tiadd_size (argc, argv, zerr, &fIclear_call_local_size, |
| 599 | &sIhold.zcall_local_size); |
| 600 | } |
| 601 | |
| 602 | /* Process the call-remote-size command. */ |
| 603 | |
| 604 | /*ARGSUSED*/ |
| 605 | static enum tcmdtabret |
| 606 | ticall_remote_size (argc, argv, pvar, zerr) |
| 607 | int argc; |
| 608 | char **argv; |
| 609 | pointer pvar; |
| 610 | const char *zerr; |
| 611 | { |
| 612 | return tiadd_size (argc, argv, zerr, &fIclear_call_remote_size, |
| 613 | &sIhold.zcall_remote_size); |
| 614 | } |
| 615 | |
| 616 | /* Process the called-local-size command. */ |
| 617 | |
| 618 | /*ARGSUSED*/ |
| 619 | static enum tcmdtabret |
| 620 | ticalled_local_size (argc, argv, pvar, zerr) |
| 621 | int argc; |
| 622 | char **argv; |
| 623 | pointer pvar; |
| 624 | const char *zerr; |
| 625 | { |
| 626 | return tiadd_size (argc, argv, zerr, &fIclear_called_local_size, |
| 627 | &sIhold.zcalled_local_size); |
| 628 | } |
| 629 | |
| 630 | /* Process the called-remote-size command. */ |
| 631 | |
| 632 | /*ARGSUSED*/ |
| 633 | static enum tcmdtabret |
| 634 | ticalled_remote_size (argc, argv, pvar, zerr) |
| 635 | int argc; |
| 636 | char **argv; |
| 637 | pointer pvar; |
| 638 | const char *zerr; |
| 639 | { |
| 640 | return tiadd_size (argc, argv, zerr, &fIclear_called_remote_size, |
| 641 | &sIhold.zcalled_remote_size); |
| 642 | } |
| 643 | |
| 644 | /* Process the timetable command. */ |
| 645 | |
| 646 | /*ARGSUSED*/ |
| 647 | static enum tcmdtabret |
| 648 | titimetable (argc, argv, pvar, zerr) |
| 649 | int argc; |
| 650 | char **argv; |
| 651 | pointer pvar; |
| 652 | const char *zerr; |
| 653 | { |
| 654 | uaddtimetable (argv[1], argv[2]); |
| 655 | return CMDTABRET_CONTINUE; |
| 656 | } |
| 657 | |
| 658 | /* Process the port command. */ |
| 659 | |
| 660 | /*ARGSUSED*/ |
| 661 | static enum tcmdtabret |
| 662 | tiport (argc, argv, pvar, zerr) |
| 663 | int argc; |
| 664 | char **argv; |
| 665 | pointer pvar; |
| 666 | const char *zerr; |
| 667 | { |
| 668 | if (argc < 2) |
| 669 | { |
| 670 | ulog (LOG_ERROR, "%s: %s: Wrong number of arguments", zerr, argv[0]); |
| 671 | return CMDTABRET_FREE; |
| 672 | } |
| 673 | |
| 674 | if (fIclear_port) |
| 675 | { |
| 676 | sIhold.zport = NULL; |
| 677 | sIhold.qport = NULL; |
| 678 | fIclear_port = FALSE; |
| 679 | } |
| 680 | |
| 681 | if (argc > 2) |
| 682 | { |
| 683 | enum tcmdtabret tret; |
| 684 | |
| 685 | if (sIhold.zport != NULL) |
| 686 | { |
| 687 | ulog (LOG_ERROR, |
| 688 | "%s: %s: Ignoring port specification following port name", |
| 689 | zerr, argv[0]); |
| 690 | return CMDTABRET_FREE; |
| 691 | } |
| 692 | tret = tprocess_port_cmd (argc - 1, argv + 1, (pointer) &sIhold.qport, |
| 693 | zerr); |
| 694 | if (sIhold.qport != NULL && sIhold.qport->zname == NULL) |
| 695 | { |
| 696 | char *zname; |
| 697 | |
| 698 | if (sIhold.zname == NULL) |
| 699 | sIhold.qport->zname = "default system file port"; |
| 700 | else |
| 701 | { |
| 702 | zname = (char *) alloca (strlen (sIhold.zname) |
| 703 | + sizeof "system port"); |
| 704 | sprintf (zname, "system %s port", sIhold.zname); |
| 705 | sIhold.qport->zname = xstrdup (zname); |
| 706 | } |
| 707 | } |
| 708 | |
| 709 | #if DEBUG > 1 |
| 710 | if (sIhold.qport != NULL) |
| 711 | DEBUG_MESSAGE2 (DEBUG_CONFIG, |
| 712 | "tiport: Command %s to port %s", argv[1], |
| 713 | sIhold.qport->zname); |
| 714 | #endif |
| 715 | |
| 716 | return tret; |
| 717 | } |
| 718 | else |
| 719 | { |
| 720 | if (sIhold.qport != NULL) |
| 721 | { |
| 722 | ulog (LOG_ERROR, |
| 723 | "%s: %s: Ignoring port name following port specification", |
| 724 | zerr, argv[0]); |
| 725 | return CMDTABRET_FREE; |
| 726 | } |
| 727 | |
| 728 | sIhold.zport = argv[1]; |
| 729 | |
| 730 | return CMDTABRET_CONTINUE; |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | /* Process one of the chat commands. We have a special version for |
| 735 | systems just so that we clear out the chat failure strings. It |
| 736 | would be nice if there were a cleaner way to do this. */ |
| 737 | |
| 738 | static enum tcmdtabret |
| 739 | tichat (argc, argv, pvar, zerr) |
| 740 | int argc; |
| 741 | char **argv; |
| 742 | pointer pvar; |
| 743 | const char *zerr; |
| 744 | { |
| 745 | if (strcmp (argv[0], "chat-fail") == 0) |
| 746 | { |
| 747 | if (fIclear_chat_fail) |
| 748 | { |
| 749 | sIhold.schat.zfail = NULL; |
| 750 | fIclear_chat_fail = FALSE; |
| 751 | } |
| 752 | } |
| 753 | else if (strcmp (argv[0], "called-chat-fail") == 0) |
| 754 | { |
| 755 | if (fIclear_called_chat_fail) |
| 756 | { |
| 757 | sIhold.scalled_chat.zfail = NULL; |
| 758 | fIclear_called_chat_fail = FALSE; |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | return tprocess_chat_cmd (argc, argv, pvar, zerr); |
| 763 | } |
| 764 | |
| 765 | /* Process the called-login command. */ |
| 766 | |
| 767 | /*ARGSUSED*/ |
| 768 | static enum tcmdtabret |
| 769 | ticalled_login (argc, argv, pvar, zerr) |
| 770 | int argc; |
| 771 | char **argv; |
| 772 | pointer pvar; |
| 773 | const char *zerr; |
| 774 | { |
| 775 | if (argc < 2) |
| 776 | { |
| 777 | ulog (LOG_ERROR, "%s: %s: Wrong number of arguments", zerr, argv[0]); |
| 778 | return CMDTABRET_FREE; |
| 779 | } |
| 780 | |
| 781 | sIhold.zcalled_login = argv[1]; |
| 782 | |
| 783 | if (argc > 2) |
| 784 | uadd_validate (argv[1], argc - 2, (const char **) argv + 2); |
| 785 | |
| 786 | return CMDTABRET_CONTINUE; |
| 787 | } |
| 788 | |
| 789 | /* Process the protocol parameter command. */ |
| 790 | |
| 791 | /*ARGSUSED*/ |
| 792 | static enum tcmdtabret |
| 793 | tiproto_param (argc, argv, pvar, zerr) |
| 794 | int argc; |
| 795 | char **argv; |
| 796 | pointer pvar; |
| 797 | const char *zerr; |
| 798 | { |
| 799 | if (fIclear_proto_param) |
| 800 | { |
| 801 | sIhold.cproto_params = 0; |
| 802 | sIhold.qproto_params = NULL; |
| 803 | fIclear_proto_param = FALSE; |
| 804 | } |
| 805 | |
| 806 | return tadd_proto_param (&sIhold.cproto_params, &sIhold.qproto_params, |
| 807 | zerr, argc - 1, argv + 1); |
| 808 | } |
| 809 | |
| 810 | /* Process the request command. */ |
| 811 | |
| 812 | /*ARGSUSED*/ |
| 813 | static enum tcmdtabret |
| 814 | tirequest (argc, argv, pvar, zerr) |
| 815 | int argc; |
| 816 | char **argv; |
| 817 | pointer pvar; |
| 818 | const char *zerr; |
| 819 | { |
| 820 | char b; |
| 821 | boolean fset; |
| 822 | |
| 823 | b = argv[1][0]; |
| 824 | if (b == 'y' || b == 'Y' || b == 't' || b == 'T') |
| 825 | fset = TRUE; |
| 826 | else if (b == 'n' || b == 'N' || b == 'f' || b == 'F') |
| 827 | fset = FALSE; |
| 828 | else |
| 829 | { |
| 830 | ulog (LOG_ERROR, "%s: %s: %s: Bad boolean", zerr, argv[0], argv[1]); |
| 831 | return CMDTABRET_FREE; |
| 832 | } |
| 833 | |
| 834 | sIhold.fcall_request = fset; |
| 835 | sIhold.fcalled_request = fset; |
| 836 | |
| 837 | return CMDTABRET_FREE; |
| 838 | } |
| 839 | |
| 840 | /* Process the transfer command. */ |
| 841 | |
| 842 | /*ARGSUSED*/ |
| 843 | static enum tcmdtabret |
| 844 | titransfer (argc, argv, pvar, zerr) |
| 845 | int argc; |
| 846 | char **argv; |
| 847 | pointer pvar; |
| 848 | const char *zerr; |
| 849 | { |
| 850 | char b; |
| 851 | boolean fset; |
| 852 | |
| 853 | b = argv[1][0]; |
| 854 | if (b == 'y' || b == 'Y' || b == 't' || b == 'T') |
| 855 | fset = TRUE; |
| 856 | else if (b == 'n' || b == 'N' || b == 'f' || b == 'F') |
| 857 | fset = FALSE; |
| 858 | else |
| 859 | { |
| 860 | ulog (LOG_ERROR, "%s: %s: %s: Bad boolean", zerr, argv[0], argv[1]); |
| 861 | return CMDTABRET_FREE; |
| 862 | } |
| 863 | |
| 864 | sIhold.fcall_transfer = fset; |
| 865 | sIhold.fcalled_transfer = fset; |
| 866 | |
| 867 | return CMDTABRET_FREE; |
| 868 | } |
| 869 | |
| 870 | /* Mark all the contents of sIhold to be cleared before they are set. |
| 871 | If the falternate argument is TRUE, then only prepare to clear |
| 872 | those contents that should be cleared for an alternate. */ |
| 873 | |
| 874 | static void |
| 875 | uiset_clear (falternate) |
| 876 | boolean falternate; |
| 877 | { |
| 878 | if (! falternate) |
| 879 | { |
| 880 | fIclear_alias = TRUE; |
| 881 | fIclear_alternate = TRUE; |
| 882 | } |
| 883 | fIclear_time = TRUE; |
| 884 | fIclear_calltimegrade = TRUE; |
| 885 | fIclear_call_local_size = TRUE; |
| 886 | fIclear_call_remote_size = TRUE; |
| 887 | fIclear_called_local_size = TRUE; |
| 888 | fIclear_called_remote_size = TRUE; |
| 889 | fIclear_port = TRUE; |
| 890 | fIclear_chat_fail = TRUE; |
| 891 | fIclear_proto_param = TRUE; |
| 892 | fIclear_called_chat_fail = TRUE; |
| 893 | } |
| 894 | |
| 895 | #endif /* HAVE_TAYLOR_CONFIG */ |
| 896 | \f |
| 897 | /* Set up the default values advertised in the documentation. */ |
| 898 | |
| 899 | void |
| 900 | uset_system_defaults (qsys) |
| 901 | struct ssysteminfo *qsys; |
| 902 | { |
| 903 | qsys->zname = NULL; |
| 904 | qsys->zalias = NULL; |
| 905 | qsys->qalternate = NULL; |
| 906 | qsys->zalternate = NULL; |
| 907 | qsys->ztime = xmalloc (1 + sizeof "Never"); |
| 908 | sprintf (qsys->ztime, "%cNever", BGRADE_LOW); |
| 909 | qsys->zcalltimegrade = NULL; |
| 910 | qsys->zcall_local_size = NULL; |
| 911 | qsys->zcall_remote_size = NULL; |
| 912 | qsys->zcalled_local_size = NULL; |
| 913 | qsys->zcalled_remote_size = NULL; |
| 914 | qsys->ibaud = 0L; |
| 915 | qsys->ihighbaud = 0L; |
| 916 | qsys->zport = NULL; |
| 917 | qsys->zphone = NULL; |
| 918 | qsys->qport = NULL; |
| 919 | INIT_CHAT (&qsys->schat); |
| 920 | qsys->schat.zchat = |
| 921 | (char *) "\"\" \\r\\c ogin:-BREAK-ogin:-BREAK-ogin: \\L word: \\P"; |
| 922 | qsys->schat.ctimeout = 10; |
| 923 | qsys->zcall_login = NULL; |
| 924 | qsys->zcall_password = NULL; |
| 925 | qsys->zcalled_login = NULL; |
| 926 | qsys->fcallback = FALSE; |
| 927 | qsys->fsequence = FALSE; |
| 928 | qsys->zprotocols = NULL; |
| 929 | qsys->cproto_params = 0; |
| 930 | qsys->qproto_params = NULL; |
| 931 | INIT_CHAT (&qsys->scalled_chat); |
| 932 | #if DEBUG > 1 |
| 933 | qsys->idebug = 0; |
| 934 | qsys->imax_remote_debug = DEBUG_ABNORMAL | DEBUG_CHAT | DEBUG_HANDSHAKE; |
| 935 | #endif |
| 936 | qsys->fcall_request = TRUE; |
| 937 | qsys->fcalled_request = TRUE; |
| 938 | qsys->fcall_transfer = TRUE; |
| 939 | qsys->fcalled_transfer = TRUE; |
| 940 | qsys->zlocal_send = ZROOTDIR; |
| 941 | qsys->zcalled_local_send = NULL; |
| 942 | qsys->zremote_send = "~"; |
| 943 | qsys->zcalled_remote_send = NULL; |
| 944 | qsys->zlocal_receive = "~"; |
| 945 | qsys->zcalled_local_receive = NULL; |
| 946 | qsys->zremote_receive = "~"; |
| 947 | qsys->zcalled_remote_receive = NULL; |
| 948 | qsys->zpath = CMDPATH; |
| 949 | qsys->zcmds = "rnews rmail"; |
| 950 | qsys->cfree_space = DEFAULT_FREE_SPACE; |
| 951 | qsys->zforwardto = NULL; |
| 952 | qsys->zpubdir = NULL; |
| 953 | qsys->zlocalname = NULL; |
| 954 | } |
| 955 | \f |
| 956 | /* Variables to store the loaded system information. */ |
| 957 | |
| 958 | static boolean fIhave_systems; |
| 959 | static int cIsystems; |
| 960 | static struct ssysteminfo *pasIsystems; |
| 961 | |
| 962 | /* Read information about all systems. */ |
| 963 | |
| 964 | static void uiread_systems P((void)); |
| 965 | |
| 966 | static void |
| 967 | uiread_systems () |
| 968 | { |
| 969 | if (fIhave_systems) |
| 970 | return; |
| 971 | |
| 972 | fIhave_systems = TRUE; |
| 973 | |
| 974 | #if HAVE_TAYLOR_CONFIG |
| 975 | if (zSysfile == NULL) |
| 976 | { |
| 977 | boolean fmore; |
| 978 | |
| 979 | /* Only warn about a missing file if we aren't going to read the |
| 980 | V2 or BNU files. */ |
| 981 | fmore = FALSE; |
| 982 | #if HAVE_V2_CONFIG |
| 983 | if (fV2) |
| 984 | fmore = TRUE; |
| 985 | #endif |
| 986 | #if HAVE_BNU_CONFIG |
| 987 | if (fBnu) |
| 988 | fmore = TRUE; |
| 989 | #endif |
| 990 | if (! fmore) |
| 991 | { |
| 992 | ulog (LOG_ERROR, "%s%s: file not found", NEWCONFIGLIB, |
| 993 | SYSFILE); |
| 994 | return; |
| 995 | } |
| 996 | } |
| 997 | else |
| 998 | { |
| 999 | struct smulti_file *qmulti; |
| 1000 | int calc; |
| 1001 | boolean fdefaults, fsystem; |
| 1002 | struct ssysteminfo *qalternates; |
| 1003 | |
| 1004 | qmulti = qmulti_open (zSysfile); |
| 1005 | if (qmulti != NULL) |
| 1006 | { |
| 1007 | calc = 0; |
| 1008 | fdefaults = FALSE; |
| 1009 | fsystem = FALSE; |
| 1010 | qalternates = NULL; |
| 1011 | |
| 1012 | fIfirst = FALSE; |
| 1013 | zInext_system = NULL; |
| 1014 | |
| 1015 | while (TRUE) |
| 1016 | { |
| 1017 | qIalternates = qalternates; |
| 1018 | fIdefault_alternates = TRUE; |
| 1019 | |
| 1020 | /* Read commands. This will exit when it encounters the |
| 1021 | start of a file (which it will when we first start |
| 1022 | reading) and when it reads a ``system'' command. */ |
| 1023 | uprocesscmds ((FILE *) NULL, qmulti, asIcmds, |
| 1024 | (const char *) NULL, |
| 1025 | CMDFLAG_WARNUNRECOG | CMDFLAG_BACKSLASH); |
| 1026 | |
| 1027 | /* The handling of alternates can get complex. Before |
| 1028 | we start reading a system, fIclear_alternate is set |
| 1029 | to TRUE (this is done in uiset_clear). After we have |
| 1030 | finished reading a system, then if fIclear_alternate |
| 1031 | is still TRUE then no ``alternate'' command was used |
| 1032 | and the system information is in sIhold. Otherwise, |
| 1033 | if fIclear_alternate is FALSE, an ``alternate'' |
| 1034 | command was used and we must call tialternate one |
| 1035 | more time; after this final call to tialternate, the |
| 1036 | system information will be in sIalternate. |
| 1037 | |
| 1038 | The final call to tialternate is needed because each |
| 1039 | occurrence of the ``alternate'' command links the |
| 1040 | previous alternate into sIalternate and sets up |
| 1041 | sIhold with the defaults for the next alternate. The |
| 1042 | final call will link the last alternate into |
| 1043 | sIalternate. */ |
| 1044 | |
| 1045 | if (fdefaults) |
| 1046 | { |
| 1047 | /* We were reading default information. Save it. */ |
| 1048 | if (fIclear_alternate) |
| 1049 | sIdefault = sIhold; |
| 1050 | else |
| 1051 | { |
| 1052 | (void) tialternate (0, (char **) NULL, |
| 1053 | (pointer) NULL, "alternate"); |
| 1054 | sIdefault = sIalternate; |
| 1055 | } |
| 1056 | qalternates = sIdefault.qalternate; |
| 1057 | sIdefault.qalternate = NULL; |
| 1058 | fdefaults = FALSE; |
| 1059 | } |
| 1060 | else if (fsystem) |
| 1061 | { |
| 1062 | /* We just either finished a file or encountered a |
| 1063 | ``system'' command after we had started reading a |
| 1064 | system. Finish up the information for the system |
| 1065 | we were reading. */ |
| 1066 | if (cIsystems >= calc) |
| 1067 | { |
| 1068 | calc += 10; |
| 1069 | pasIsystems = |
| 1070 | ((struct ssysteminfo *) |
| 1071 | xrealloc ((pointer) pasIsystems, |
| 1072 | calc * sizeof (struct ssysteminfo))); |
| 1073 | } |
| 1074 | |
| 1075 | /* We must now attach any remaining default |
| 1076 | alternates. */ |
| 1077 | if (fIdefault_alternates) |
| 1078 | { |
| 1079 | while (qIalternates != NULL) |
| 1080 | (void) tialternate (0, (char **) NULL, |
| 1081 | (pointer) NULL, "alternate"); |
| 1082 | } |
| 1083 | |
| 1084 | if (fIclear_alternate) |
| 1085 | pasIsystems[cIsystems] = sIhold; |
| 1086 | else |
| 1087 | { |
| 1088 | (void) tialternate (0, (char **) NULL, |
| 1089 | (pointer) NULL, "alternate"); |
| 1090 | pasIsystems[cIsystems] = sIalternate; |
| 1091 | } |
| 1092 | |
| 1093 | ++cIsystems; |
| 1094 | |
| 1095 | fsystem = FALSE; |
| 1096 | } |
| 1097 | |
| 1098 | if (fIfirst) |
| 1099 | { |
| 1100 | /* We just started reading a new file. Reset the |
| 1101 | default information. The next time around the |
| 1102 | loop we will read the default information. */ |
| 1103 | uset_system_defaults (&sIhold); |
| 1104 | uiset_clear (FALSE); |
| 1105 | qalternates = NULL; |
| 1106 | fdefaults = TRUE; |
| 1107 | fIfirst = FALSE; |
| 1108 | } |
| 1109 | else if (zInext_system != NULL) |
| 1110 | { |
| 1111 | /* We just encountered a ``system'' command. Save |
| 1112 | the name, reset the system information to the |
| 1113 | defaults, and go on to read the system |
| 1114 | information. */ |
| 1115 | sIhold = sIdefault; |
| 1116 | sIhold.zname = zInext_system; |
| 1117 | uiset_clear (FALSE); |
| 1118 | fsystem = TRUE; |
| 1119 | zInext_system = NULL; |
| 1120 | } |
| 1121 | else |
| 1122 | { |
| 1123 | /* We have reached the end of the files to read. */ |
| 1124 | break; |
| 1125 | } |
| 1126 | } |
| 1127 | |
| 1128 | (void) fmulti_close (qmulti); |
| 1129 | } |
| 1130 | } |
| 1131 | #endif /* HAVE_TAYLOR_CONFIG */ |
| 1132 | |
| 1133 | #if HAVE_V2_CONFIG |
| 1134 | if (fV2) |
| 1135 | { |
| 1136 | int cv2; |
| 1137 | struct ssysteminfo *pasv2; |
| 1138 | |
| 1139 | uv2_read_systems (&cv2, &pasv2); |
| 1140 | if (cv2 > 0) |
| 1141 | { |
| 1142 | pasIsystems = |
| 1143 | ((struct ssysteminfo *) |
| 1144 | xrealloc ((pointer) pasIsystems, |
| 1145 | (cIsystems + cv2) * sizeof (struct ssysteminfo))); |
| 1146 | memcpy (pasIsystems + cIsystems, pasv2, |
| 1147 | cv2 * sizeof (struct ssysteminfo)); |
| 1148 | cIsystems += cv2; |
| 1149 | } |
| 1150 | } |
| 1151 | #endif /* HAVE_V2_CONFIG */ |
| 1152 | |
| 1153 | #if HAVE_BNU_CONFIG |
| 1154 | if (fBnu) |
| 1155 | { |
| 1156 | int cbnu; |
| 1157 | struct ssysteminfo *pasbnu; |
| 1158 | |
| 1159 | ubnu_read_systems (&cbnu, &pasbnu); |
| 1160 | if (cbnu > 0) |
| 1161 | { |
| 1162 | pasIsystems = |
| 1163 | ((struct ssysteminfo *) |
| 1164 | xrealloc ((pointer) pasIsystems, |
| 1165 | (cIsystems + cbnu) * sizeof (struct ssysteminfo))); |
| 1166 | memcpy (pasIsystems + cIsystems, pasbnu, |
| 1167 | cbnu * sizeof (struct ssysteminfo)); |
| 1168 | cIsystems += cbnu; |
| 1169 | } |
| 1170 | } |
| 1171 | #endif /* HAVE_BNU_CONFIG */ |
| 1172 | } |
| 1173 | |
| 1174 | /* Get information about all systems. */ |
| 1175 | |
| 1176 | void |
| 1177 | uread_all_system_info (pc, ppas) |
| 1178 | int *pc; |
| 1179 | struct ssysteminfo **ppas; |
| 1180 | { |
| 1181 | if (! fIhave_systems) |
| 1182 | uiread_systems (); |
| 1183 | |
| 1184 | *pc = cIsystems; |
| 1185 | *ppas = pasIsystems; |
| 1186 | } |
| 1187 | |
| 1188 | /* Get information about a specific system. */ |
| 1189 | |
| 1190 | boolean |
| 1191 | fread_system_info (zsystem, qsys) |
| 1192 | const char *zsystem; |
| 1193 | struct ssysteminfo *qsys; |
| 1194 | { |
| 1195 | int i; |
| 1196 | |
| 1197 | DEBUG_MESSAGE1 (DEBUG_CONFIG, |
| 1198 | "fread_system_info: Reading information for system %s", |
| 1199 | zsystem); |
| 1200 | |
| 1201 | if (! fIhave_systems) |
| 1202 | uiread_systems (); |
| 1203 | |
| 1204 | for (i = 0; i < cIsystems; i++) |
| 1205 | { |
| 1206 | char *z; |
| 1207 | |
| 1208 | if (strcmp (zsystem, pasIsystems[i].zname) == 0) |
| 1209 | { |
| 1210 | *qsys = pasIsystems[i]; |
| 1211 | |
| 1212 | DEBUG_MESSAGE1 (DEBUG_CONFIG, |
| 1213 | "fread_system_info: Got information for system %s", |
| 1214 | qsys->zname); |
| 1215 | |
| 1216 | return TRUE; |
| 1217 | } |
| 1218 | |
| 1219 | z = pasIsystems[i].zalias; |
| 1220 | if (z == NULL) |
| 1221 | continue; |
| 1222 | while (TRUE) |
| 1223 | { |
| 1224 | char *znext; |
| 1225 | |
| 1226 | znext = z + strcspn (z, " "); |
| 1227 | if (strncmp (zsystem, z, znext - z) == 0) |
| 1228 | { |
| 1229 | *qsys = pasIsystems[i]; |
| 1230 | |
| 1231 | DEBUG_MESSAGE1 (DEBUG_CONFIG, |
| 1232 | "fread_system_info: Got system %s", |
| 1233 | qsys->zname); |
| 1234 | |
| 1235 | return TRUE; |
| 1236 | } |
| 1237 | z = znext; |
| 1238 | if (*z == ' ') |
| 1239 | ++z; |
| 1240 | else |
| 1241 | break; |
| 1242 | } |
| 1243 | } |
| 1244 | |
| 1245 | DEBUG_MESSAGE1 (DEBUG_CONFIG, |
| 1246 | "fread_system_info: Could not find system %s", |
| 1247 | zsystem); |
| 1248 | |
| 1249 | return FALSE; |
| 1250 | } |
| 1251 | \f |
| 1252 | /* Prepare to read commands defining unknown systems. */ |
| 1253 | |
| 1254 | void |
| 1255 | uiunknown_start () |
| 1256 | { |
| 1257 | #if HAVE_TAYLOR_CONFIG |
| 1258 | uset_system_defaults (&sIhold); |
| 1259 | uiset_clear (FALSE); |
| 1260 | #else /* ! HAVE_TAYLOR_CONFIG */ |
| 1261 | uset_system_defaults (&sUnknown); |
| 1262 | #endif /* ! HAVE_TAYLOR_CONFIG */ |
| 1263 | } |
| 1264 | |
| 1265 | #if HAVE_TAYLOR_CONFIG |
| 1266 | |
| 1267 | /* Process a command defining unknown systems. This is actually |
| 1268 | called from the main configuration file, not the system file. */ |
| 1269 | |
| 1270 | enum tcmdtabret |
| 1271 | tiunknown (argc, argv, pvar, zerr) |
| 1272 | int argc; |
| 1273 | char **argv; |
| 1274 | pointer pvar; |
| 1275 | const char *zerr; |
| 1276 | { |
| 1277 | fUnknown_ok = TRUE; |
| 1278 | return tprocess_one_cmd (argc - 1, argv + 1, asIcmds, zerr, |
| 1279 | CMDFLAG_WARNUNRECOG); |
| 1280 | } |
| 1281 | |
| 1282 | #endif /* HAVE_TAYLOR_CONFIG */ |
| 1283 | |
| 1284 | /* Finish up after all commands defining unknwon systems. */ |
| 1285 | |
| 1286 | void |
| 1287 | uiunknown_end () |
| 1288 | { |
| 1289 | #if HAVE_TAYLOR_CONFIG |
| 1290 | if (fUnknown_ok) |
| 1291 | { |
| 1292 | /* Add the final alternate. */ |
| 1293 | if (fIclear_alternate) |
| 1294 | sUnknown = sIhold; |
| 1295 | else |
| 1296 | { |
| 1297 | (void) tialternate (0, (char **) NULL, (pointer) NULL, "alternate"); |
| 1298 | sUnknown = sIalternate; |
| 1299 | } |
| 1300 | } |
| 1301 | #endif /* HAVE_TAYLOR_CONFIG */ |
| 1302 | } |
| 1303 | \f |
| 1304 | /* Initialize the local system information. Perhaps it would be |
| 1305 | desirable to allow the user to customize this as well. This is |
| 1306 | called after the configuration file has been read in and the system |
| 1307 | name has been determined. Only a few elements of this structure |
| 1308 | are ever actually used, probably just zname and zremote_receive. */ |
| 1309 | |
| 1310 | void |
| 1311 | uisetup_localsys () |
| 1312 | { |
| 1313 | uset_system_defaults (&sLocalsys); |
| 1314 | sLocalsys.zname = zLocalname; |
| 1315 | } |
| 1316 | \f |
| 1317 | /* Translate a system name into something we can use locally. This should |
| 1318 | be more intelligent than it is. Right now we just truncate the name; |
| 1319 | if this matches the name of another system, we reject the call. */ |
| 1320 | |
| 1321 | const char * |
| 1322 | ztranslate_system (zsystem) |
| 1323 | const char *zsystem; |
| 1324 | { |
| 1325 | char *z; |
| 1326 | struct ssysteminfo s; |
| 1327 | |
| 1328 | if (strlen (zsystem) <= cSysdep_max_name_len) |
| 1329 | return zsystem; |
| 1330 | z = (char *) xmalloc (cSysdep_max_name_len + 1); |
| 1331 | strncpy (z, zsystem, cSysdep_max_name_len); |
| 1332 | z[cSysdep_max_name_len] = '\0'; |
| 1333 | if (fread_system_info (z, &s)) |
| 1334 | { |
| 1335 | xfree ((pointer) z); |
| 1336 | return NULL; |
| 1337 | } |
| 1338 | return z; |
| 1339 | } |
| 1340 | \f |
| 1341 | #if HAVE_TAYLOR_CONFIG |
| 1342 | |
| 1343 | /* Get the login name and password for a system out of the call file. |
| 1344 | The call file is simple a sequence of lines. The first word on |
| 1345 | each line is the system name, the second word is the login name, |
| 1346 | and the third word is the password. We read it using uprocesscmds, |
| 1347 | since it's easy. */ |
| 1348 | |
| 1349 | struct silogpass |
| 1350 | { |
| 1351 | char **pzlog; |
| 1352 | char **pzpass; |
| 1353 | }; |
| 1354 | |
| 1355 | static enum tcmdtabret tilog_pass P((int argc, char **argv, pointer pvar, |
| 1356 | const char *zerr)); |
| 1357 | |
| 1358 | /*ARGSUSED*/ |
| 1359 | static enum tcmdtabret |
| 1360 | tilog_pass (argc, argv, pvar, zerr) |
| 1361 | int argc; |
| 1362 | char **argv; |
| 1363 | pointer pvar; |
| 1364 | const char *zerr; |
| 1365 | { |
| 1366 | struct silogpass *q = (struct silogpass *) pvar; |
| 1367 | |
| 1368 | *q->pzlog = xstrdup (argv[1]); |
| 1369 | *q->pzpass = xstrdup (argv[2]); |
| 1370 | return CMDTABRET_FREE_AND_EXIT; |
| 1371 | } |
| 1372 | |
| 1373 | #endif /* HAVE_TAYLOR_CONFIG */ |
| 1374 | |
| 1375 | /* Get the login name and password to use for a system. */ |
| 1376 | |
| 1377 | boolean |
| 1378 | fcallout_login (qsys, pzlog, pzpass) |
| 1379 | const struct ssysteminfo *qsys; |
| 1380 | char **pzlog; |
| 1381 | char **pzpass; |
| 1382 | { |
| 1383 | *pzlog = NULL; |
| 1384 | *pzpass = NULL; |
| 1385 | |
| 1386 | #if HAVE_TAYLOR_CONFIG |
| 1387 | { |
| 1388 | struct smulti_file *qmulti; |
| 1389 | struct scmdtab as[2]; |
| 1390 | struct silogpass s; |
| 1391 | |
| 1392 | qmulti = qmulti_open (zCallfile); |
| 1393 | if (qmulti == NULL) |
| 1394 | return FALSE; |
| 1395 | |
| 1396 | s.pzlog = pzlog; |
| 1397 | s.pzpass = pzpass; |
| 1398 | |
| 1399 | as[0].zcmd = qsys->zname; |
| 1400 | as[0].itype = CMDTABTYPE_FN | 3; |
| 1401 | as[0].pvar = (pointer)&s; |
| 1402 | as[0].ptfn = tilog_pass; |
| 1403 | |
| 1404 | as[1].zcmd = NULL; |
| 1405 | |
| 1406 | uprocesscmds ((FILE *) NULL, qmulti, as, (const char *) NULL, |
| 1407 | CMDFLAG_BACKSLASH); |
| 1408 | |
| 1409 | (void) fmulti_close (qmulti); |
| 1410 | } |
| 1411 | #endif /* HAVE_TAYLOR_CONFIG */ |
| 1412 | |
| 1413 | if (*pzlog == NULL) |
| 1414 | { |
| 1415 | ulog (LOG_ERROR, "No call out login for system %s", qsys->zname); |
| 1416 | return FALSE; |
| 1417 | } |
| 1418 | |
| 1419 | return TRUE; |
| 1420 | } |
| 1421 | \f |
| 1422 | #if HAVE_TAYLOR_CONFIG |
| 1423 | |
| 1424 | /* Check whether a login name and password gathered by the UUCP program |
| 1425 | itself are correct. */ |
| 1426 | |
| 1427 | static enum tcmdtabret ticheck_login P((int argc, char **argv, |
| 1428 | pointer pvar, const char *zerr)); |
| 1429 | |
| 1430 | /*ARGSUSED*/ |
| 1431 | static enum tcmdtabret |
| 1432 | ticheck_login (argc, argv, pvar, zerr) |
| 1433 | int argc; |
| 1434 | char **argv; |
| 1435 | pointer pvar; |
| 1436 | const char *zerr; |
| 1437 | { |
| 1438 | char **pz = (char **) pvar; |
| 1439 | |
| 1440 | *pz = xstrdup (argv[1]); |
| 1441 | return CMDTABRET_FREE_AND_EXIT; |
| 1442 | } |
| 1443 | |
| 1444 | #endif /* HAVE_TAYLOR_CONFIG */ |
| 1445 | |
| 1446 | boolean |
| 1447 | fcheck_login (zuser, zpass) |
| 1448 | const char *zuser; |
| 1449 | const char *zpass; |
| 1450 | { |
| 1451 | #if HAVE_TAYLOR_CONFIG |
| 1452 | struct smulti_file *qmulti; |
| 1453 | struct scmdtab as[2]; |
| 1454 | char *zfilepass; |
| 1455 | boolean fok; |
| 1456 | |
| 1457 | if (zPwdfile == NULL) |
| 1458 | { |
| 1459 | ulog (LOG_ERROR, "%s%s: file not found", NEWCONFIGLIB, |
| 1460 | PASSWDFILE); |
| 1461 | return FALSE; |
| 1462 | } |
| 1463 | |
| 1464 | qmulti = qmulti_open (zPwdfile); |
| 1465 | if (qmulti == NULL) |
| 1466 | return FALSE; |
| 1467 | |
| 1468 | zfilepass = NULL; |
| 1469 | |
| 1470 | as[0].zcmd = zuser; |
| 1471 | as[0].itype = CMDTABTYPE_FN | 2; |
| 1472 | as[0].pvar = (pointer)&zfilepass; |
| 1473 | as[0].ptfn = ticheck_login; |
| 1474 | |
| 1475 | as[1].zcmd = NULL; |
| 1476 | |
| 1477 | uprocesscmds ((FILE *) NULL, qmulti, as, (const char *) NULL, |
| 1478 | CMDFLAG_CASESIGNIFICANT | CMDFLAG_BACKSLASH); |
| 1479 | |
| 1480 | (void) fmulti_close (qmulti); |
| 1481 | |
| 1482 | fok = zfilepass != NULL && strcmp (zfilepass, zpass) == 0; |
| 1483 | |
| 1484 | if (zfilepass != NULL) |
| 1485 | { |
| 1486 | bzero (zfilepass, strlen (zfilepass)); |
| 1487 | xfree ((pointer) zfilepass); |
| 1488 | } |
| 1489 | |
| 1490 | if (! fok) |
| 1491 | ulog (LOG_ERROR, "Bad login"); |
| 1492 | |
| 1493 | return fok; |
| 1494 | |
| 1495 | #else /* HAVE_TAYLOR_CONFIG */ |
| 1496 | |
| 1497 | ulog (LOG_ERROR, "Not compiled to accept logins"); |
| 1498 | return FALSE; |
| 1499 | |
| 1500 | #endif /* HAVE_TAYLOR_CONFIG */ |
| 1501 | } |
| 1502 | \f |
| 1503 | #if HAVE_TAYLOR_CONFIG |
| 1504 | |
| 1505 | /* Process a chat command. These are done as prefix commands. We set |
| 1506 | it up such that argv[0] will contain the string "chat" and we must |
| 1507 | look after that point to see what command to execute. */ |
| 1508 | |
| 1509 | static struct schat_info sChat; |
| 1510 | |
| 1511 | static enum tcmdtabret tcchat_fail P((int argc, char **argv, |
| 1512 | pointer pvar, |
| 1513 | const char *zerr)); |
| 1514 | |
| 1515 | static const struct scmdtab asChatcmds[] = |
| 1516 | { |
| 1517 | { "chat", CMDTABTYPE_FULLSTRING, (pointer) &sChat.zchat, NULL }, |
| 1518 | { "chat-program", CMDTABTYPE_FULLSTRING, (pointer) &sChat.zprogram, |
| 1519 | NULL }, |
| 1520 | { "chat-timeout", CMDTABTYPE_INT, (pointer) &sChat.ctimeout, NULL }, |
| 1521 | { "chat-fail", CMDTABTYPE_FN | 2, NULL, tcchat_fail }, |
| 1522 | { "chat-seven-bit", CMDTABTYPE_BOOLEAN, (pointer) &sChat.fstrip, NULL }, |
| 1523 | { NULL, 0, NULL, NULL } |
| 1524 | }; |
| 1525 | |
| 1526 | enum tcmdtabret |
| 1527 | tprocess_chat_cmd (argc, argv, pvar, zerr) |
| 1528 | int argc; |
| 1529 | char **argv; |
| 1530 | pointer pvar; |
| 1531 | const char *zerr; |
| 1532 | { |
| 1533 | struct schat_info *qchat = (struct schat_info *) pvar; |
| 1534 | char *zchat; |
| 1535 | enum tcmdtabret t; |
| 1536 | |
| 1537 | zchat = strstr (argv[0], "chat"); |
| 1538 | |
| 1539 | #if DEBUG > 0 |
| 1540 | if (zchat == NULL) |
| 1541 | ulog (LOG_FATAL, "tprocess_chat_cmd: Can't happen"); |
| 1542 | #endif |
| 1543 | |
| 1544 | argv[0] = zchat; |
| 1545 | |
| 1546 | sChat = *qchat; |
| 1547 | t = tprocess_one_cmd (argc, argv, asChatcmds, zerr, |
| 1548 | CMDFLAG_WARNUNRECOG); |
| 1549 | *qchat = sChat; |
| 1550 | |
| 1551 | return t; |
| 1552 | } |
| 1553 | |
| 1554 | /* Add a new chat failure string. */ |
| 1555 | |
| 1556 | static enum tcmdtabret |
| 1557 | tcchat_fail (argc, argv, pvar, zerr) |
| 1558 | int argc; |
| 1559 | char **argv; |
| 1560 | pointer pvar; |
| 1561 | const char *zerr; |
| 1562 | { |
| 1563 | uadd_string (&sChat.zfail, argv[1], ' '); |
| 1564 | return CMDTABRET_FREE; |
| 1565 | } |
| 1566 | |
| 1567 | #endif /* HAVE_TAYLOR_CONFIG */ |
| 1568 | \f |
| 1569 | #if HAVE_TAYLOR_CONFIG |
| 1570 | |
| 1571 | /* Add a protocol parameter entry. The pc parameter points to the |
| 1572 | number of protocol parameter entries, and the pq parameter points |
| 1573 | to the array of protocol parameters. */ |
| 1574 | |
| 1575 | enum tcmdtabret |
| 1576 | tadd_proto_param (pc, pq, zerr, cargs, azargs) |
| 1577 | int *pc; |
| 1578 | struct sproto_param **pq; |
| 1579 | const char *zerr; |
| 1580 | int cargs; |
| 1581 | char **azargs; |
| 1582 | { |
| 1583 | int i; |
| 1584 | struct sproto_param *q; |
| 1585 | int ientry; |
| 1586 | int icopy; |
| 1587 | |
| 1588 | if (cargs < 1) |
| 1589 | { |
| 1590 | ulog (LOG_ERROR, "%s: protocol-parameter: Not enough arguments", zerr); |
| 1591 | return CMDTABRET_FREE; |
| 1592 | } |
| 1593 | if (azargs[0][1] != '\0') |
| 1594 | { |
| 1595 | ulog (LOG_ERROR, |
| 1596 | "%s: protocol-parameter: Protocol names are single characters", |
| 1597 | zerr); |
| 1598 | return CMDTABRET_FREE; |
| 1599 | } |
| 1600 | |
| 1601 | q = NULL; |
| 1602 | ientry = 0; |
| 1603 | |
| 1604 | for (i = 0; i < *pc; i++) |
| 1605 | { |
| 1606 | if ((*pq)[i].bproto == azargs[0][0]) |
| 1607 | { |
| 1608 | q = &(*pq)[i]; |
| 1609 | ientry = q->centries; |
| 1610 | ++q->centries; |
| 1611 | q->qentries = |
| 1612 | ((struct sproto_param_entry *) |
| 1613 | xrealloc ((pointer) q->qentries, |
| 1614 | (q->centries * sizeof (struct sproto_param_entry)))); |
| 1615 | break; |
| 1616 | } |
| 1617 | } |
| 1618 | |
| 1619 | if (i >= *pc) |
| 1620 | { |
| 1621 | ++(*pc); |
| 1622 | *pq = ((struct sproto_param *) |
| 1623 | xrealloc ((pointer) *pq, |
| 1624 | (*pc * sizeof (struct sproto_param)))); |
| 1625 | q = &(*pq)[*pc - 1]; |
| 1626 | q->bproto = azargs[0][0]; |
| 1627 | q->centries = 1; |
| 1628 | q->qentries = ((struct sproto_param_entry *) |
| 1629 | xmalloc (sizeof (struct sproto_param_entry))); |
| 1630 | ientry = 0; |
| 1631 | } |
| 1632 | |
| 1633 | q->qentries[ientry].cargs = cargs - 1; |
| 1634 | q->qentries[ientry].azargs = |
| 1635 | (char **) xmalloc ((cargs - 1) * sizeof (char *)); |
| 1636 | for (icopy = 0; icopy < cargs - 1; icopy++) |
| 1637 | q->qentries[ientry].azargs[icopy] = azargs[icopy + 1]; |
| 1638 | |
| 1639 | return CMDTABRET_CONTINUE; |
| 1640 | } |
| 1641 | |
| 1642 | #endif /* HAVE_TAYLOR_CONFIG */ |
| 1643 | |
| 1644 | /* Apply some protocol parameters, given the current protocol. */ |
| 1645 | |
| 1646 | void |
| 1647 | uapply_proto_params (bproto, qcmds, c, pas) |
| 1648 | int bproto; |
| 1649 | struct scmdtab *qcmds; |
| 1650 | int c; |
| 1651 | struct sproto_param *pas; |
| 1652 | { |
| 1653 | int i; |
| 1654 | struct sproto_param *q; |
| 1655 | |
| 1656 | for (i = 0, q = pas; |
| 1657 | i < c; |
| 1658 | i++, q++) |
| 1659 | { |
| 1660 | if (q->bproto == (char) bproto) |
| 1661 | { |
| 1662 | char ab[sizeof "g protocol parameters"]; |
| 1663 | struct sproto_param_entry *qentry; |
| 1664 | int ientry; |
| 1665 | |
| 1666 | sprintf (ab, "%c protocol parameters", bproto); |
| 1667 | q = &pas[i]; |
| 1668 | for (ientry = 0, qentry = &q->qentries[0]; |
| 1669 | ientry < q->centries; |
| 1670 | ientry++, qentry++) |
| 1671 | (void) tprocess_one_cmd (qentry->cargs, qentry->azargs, |
| 1672 | qcmds, ab, CMDFLAG_WARNUNRECOG); |
| 1673 | return; |
| 1674 | } |
| 1675 | } |
| 1676 | } |
| 1677 | \f |
| 1678 | /* Maintain a list of systems which are permitted to log in using a |
| 1679 | particular login name. This is the VALIDATE entry from the BNU |
| 1680 | Permissions file. */ |
| 1681 | |
| 1682 | static struct svalidate |
| 1683 | { |
| 1684 | struct svalidate *qnext; |
| 1685 | const char *zlogname; |
| 1686 | int cmachines; |
| 1687 | const char *azmachines[1]; |
| 1688 | } *qIvalidate; |
| 1689 | |
| 1690 | /* Add an entry to the validation list. This assumes that it does not |
| 1691 | have to copy the login name or the machine names. It does copy the |
| 1692 | array of machines names. */ |
| 1693 | |
| 1694 | void |
| 1695 | uadd_validate (zlogname, cmachines, pazmachines) |
| 1696 | const char *zlogname; |
| 1697 | int cmachines; |
| 1698 | const char **pazmachines; |
| 1699 | { |
| 1700 | struct svalidate **pq, *q; |
| 1701 | |
| 1702 | for (pq = &qIvalidate; *pq != NULL; pq = &(*pq)->qnext) |
| 1703 | { |
| 1704 | if (strcmp ((*pq)->zlogname, zlogname) == 0) |
| 1705 | { |
| 1706 | *pq = ((struct svalidate *) |
| 1707 | xrealloc ((pointer) *pq, |
| 1708 | sizeof (struct svalidate) |
| 1709 | + (((*pq)->cmachines + cmachines - 1) |
| 1710 | * sizeof (const char *)))); |
| 1711 | memcpy ((*pq)->azmachines + (*pq)->cmachines, pazmachines, |
| 1712 | cmachines * sizeof (const char *)); |
| 1713 | (*pq)->cmachines += cmachines; |
| 1714 | return; |
| 1715 | } |
| 1716 | } |
| 1717 | |
| 1718 | q = (struct svalidate *) xmalloc (sizeof (struct svalidate) |
| 1719 | + ((cmachines - 1) |
| 1720 | * sizeof (const char *))); |
| 1721 | q->qnext = qIvalidate; |
| 1722 | q->zlogname = zlogname; |
| 1723 | memcpy (q->azmachines, pazmachines, |
| 1724 | cmachines * sizeof (const char *)); |
| 1725 | q->cmachines = cmachines; |
| 1726 | qIvalidate = q; |
| 1727 | } |
| 1728 | |
| 1729 | /* Check whether a particular login name/machine name is valid. */ |
| 1730 | |
| 1731 | boolean |
| 1732 | fcheck_validate (zlogname, zmachine) |
| 1733 | const char *zlogname; |
| 1734 | const char *zmachine; |
| 1735 | { |
| 1736 | struct svalidate *q; |
| 1737 | |
| 1738 | for (q = qIvalidate; q != NULL; q = q->qnext) |
| 1739 | { |
| 1740 | if (strcmp (q->zlogname, zlogname) == 0) |
| 1741 | { |
| 1742 | int i; |
| 1743 | |
| 1744 | for (i = 0; i < q->cmachines; i++) |
| 1745 | if (strcmp (q->azmachines[i], zmachine) == 0) |
| 1746 | return TRUE; |
| 1747 | |
| 1748 | return FALSE; |
| 1749 | } |
| 1750 | } |
| 1751 | |
| 1752 | return TRUE; |
| 1753 | } |
| 1754 | \f |
| 1755 | /* The variables which hold the array of timetables. */ |
| 1756 | |
| 1757 | int cTtable; |
| 1758 | struct stimetable *pasTtable; |
| 1759 | |
| 1760 | /* Initialize the table of timetables as advertised in the |
| 1761 | documentation. */ |
| 1762 | |
| 1763 | void |
| 1764 | uinittimetables () |
| 1765 | { |
| 1766 | pasTtable = (struct stimetable *) xmalloc (3 * sizeof (struct stimetable)); |
| 1767 | pasTtable[0].zname = "Evening"; |
| 1768 | pasTtable[0].ztime = "Wk1705-0755,Sa,Su"; |
| 1769 | pasTtable[1].zname = "Night"; |
| 1770 | pasTtable[1].ztime = "Wk2305-0755,Sa,Su2305-1655"; |
| 1771 | pasTtable[2].zname = "NonPeak"; |
| 1772 | pasTtable[2].ztime = "Wk1805-0655,Sa,Su"; |
| 1773 | cTtable = 3; |
| 1774 | } |
| 1775 | |
| 1776 | /* Add a new timetable entry. This assumes it can take control of the |
| 1777 | strings it is passed, so they must not be on the stack and if they |
| 1778 | have been allocated they must not be freed. */ |
| 1779 | |
| 1780 | void |
| 1781 | uaddtimetable (zname, ztime) |
| 1782 | const char *zname; |
| 1783 | const char *ztime; |
| 1784 | { |
| 1785 | if (pasTtable == NULL) |
| 1786 | uinittimetables (); |
| 1787 | |
| 1788 | pasTtable = ((struct stimetable *) |
| 1789 | xrealloc ((pointer) pasTtable, |
| 1790 | (cTtable + 1) * sizeof (struct stimetable))); |
| 1791 | pasTtable[cTtable].zname = zname; |
| 1792 | pasTtable[cTtable].ztime = ztime; |
| 1793 | ++cTtable; |
| 1794 | } |