citadel/commands.c

   1 /*
   2  * $Id$
   3  *
   4  * This file contains functions which implement parts of the
   5  * text-mode user interface.
   6  *
   7  */
   8
   9 #include "sysdep.h"
  10 #include <stdlib.h>
  11 #include <unistd.h>
  12 #include <stdio.h>
  13 #include <fcntl.h>
  14 #include <ctype.h>
  15 #include <string.h>
  16 #include <sys/types.h>
  17
  18 #if TIME_WITH_SYS_TIME
  19 # include <sys/time.h>
  20 # include <time.h>
  21 #else
  22 # if HAVE_SYS_TIME_H
  23 #  include <sys/time.h>
  24 # else
  25 #  include <time.h>
  26 # endif
  27 #endif
  28
  29 #ifdef HAVE_TERMIOS_H
  30 #include <termios.h>
  31 #else
  32 #include <sgtty.h>
  33 #endif
  34
  35 #ifdef HAVE_SYS_SELECT_H
  36 #include <sys/select.h>
  37 #endif
  38
  39 #ifdef THREADED_CLIENT
  40 #include <pthread.h>
  41 #endif
  42
  43 #include <signal.h>
  44 #include <errno.h>
  45 #include <stdarg.h>
  46 #include "citadel.h"
  47 #include "commands.h"
  48 #include "messages.h"
  49 #include "citadel_decls.h"
  50 #include "routines.h"
  51 #include "routines2.h"
  52 #include "tools.h"
  53 #include "rooms.h"
  54 #include "client_chat.h"
  55 #ifndef HAVE_SNPRINTF
  56 #include "snprintf.h"
  57 #endif
  58 #include "screen.h"
  59
  60 struct citcmd {
  61         struct citcmd *next;
  62         int c_cmdnum;
  63         int c_axlevel;
  64         char c_keys[5][64];
  65 };
  66
  67 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  68
  69
  70 int rc_exp_beep;
  71 char rc_exp_cmd[1024];
  72 int rc_allow_attachments;
  73 int rc_display_message_numbers;
  74 int rc_force_mail_prompts;
  75 int rc_remember_passwords;
  76 int rc_ansi_color;
  77 int num_urls = 0;
  78 char urls[MAXURLS][SIZ];
  79 char rc_url_cmd[SIZ];
  80
  81 char *gl_string;
  82 int next_lazy_cmd = 5;
  83
  84 int lines_printed = 0;          /* line count for paginator */
  85 extern int screenwidth, screenheight;
  86 extern int termn8;
  87
  88 struct citcmd *cmdlist = NULL;
  89
  90
  91 /* these variables are local to this module */
  92 char keepalives_enabled = KA_YES;       /* send NOOPs to server when idle */
  93 int ok_to_interrupt = 0;                /* print express msgs asynchronously */
  94 time_t AnsiDetect;                      /* when did we send the detect code? */
  95 int enable_color = 0;                   /* nonzero for ANSI color */
  96
  97
  98
  99
 100 /*
 101  * If an interesting key has been pressed, return its value, otherwise 0
 102  */
 103 char was_a_key_pressed(void) {
 104         fd_set rfds;
 105         struct timeval tv;
 106         int the_character;
 107         int retval;
 108
 109         FD_ZERO(&rfds);
 110         FD_SET(0, &rfds);
 111         tv.tv_sec = 0;
 112         tv.tv_usec = 0;
 113         retval = select(1, &rfds, NULL, NULL, &tv);
 114
 115         /* Careful!  Disable keepalives during keyboard polling; we're probably
 116          * in the middle of a data transfer from the server, in which case
 117          * sending a NOOP would throw the client protocol out of sync.
 118          */
 119         if (FD_ISSET(0, &rfds)) {
 120                 set_keepalives(KA_NO);
 121                 the_character = inkey();
 122                 set_keepalives(KA_YES);
 123         }
 124         else {
 125                 the_character = 0;
 126         }
 127         return(the_character);
 128 }
 129
 130
 131
 132
 133
 134 /*
 135  * Check to see if we need to pause at the end of a screen.
 136  * If we do, we have to disable server keepalives during the pause because
 137  * we are probably in the middle of a server operation and the NOOP command
 138  * would confuse everything.
 139  */
 140 int checkpagin(int lp, int pagin, int height)
 141 {
 142         int thekey;
 143
 144         if (sigcaught) return(lp);
 145         thekey = was_a_key_pressed();
 146         if (thekey == 'q' || thekey == 'Q' || thekey == 's' || thekey == 'S')
 147                 thekey = STOP_KEY;
 148         if (thekey == 'n' || thekey == 'N')
 149                 thekey = NEXT_KEY;
 150         if ( (thekey == NEXT_KEY) || (thekey == STOP_KEY)) sigcaught = thekey;
 151         if (sigcaught) return(lp);
 152
 153         if (!pagin) return(0);
 154         if (lp>=(height-1)) {
 155                 set_keepalives(KA_NO);
 156                 hit_any_key();
 157                 set_keepalives(KA_YES);
 158                 return(0);
 159         }
 160         return(lp);
 161 }
 162
 163
 164
 165
 166 /*
 167  * pprintf()  ...   paginated version of printf()
 168  */
 169 void pprintf(const char *format, ...) {
 170         va_list arg_ptr;
 171         static char buf[4096];  /* static for performance, change if needed */
 172         int i;
 173
 174         /* If sigcaught is nonzero, a keypress has interrupted this and we
 175          * should just drain output.
 176          */
 177         if (sigcaught) return;
 178
 179         /* Otherwise, start spewing... */
 180         va_start(arg_ptr, format);
 181         vsprintf(buf, format, arg_ptr);
 182         va_end(arg_ptr);
 183
 184         for (i=0; i<strlen(buf); ++i) {
 185                 scr_putc(buf[i]);
 186                 if (buf[i]==10) {
 187                         ++lines_printed;
 188                         lines_printed = checkpagin(lines_printed,
 189                                 (userflags & US_PAGINATOR),
 190                                 screenheight);
 191                 }
 192         }
 193 }
 194
 195
 196
 197 /*
 198  * print_express()  -  print express messages if there are any
 199  */
 200 void print_express(void)
 201 {
 202         char buf[1024];
 203         FILE *outpipe;
 204         time_t timestamp;
 205         struct tm *stamp;
 206         int flags = 0;
 207         char sender[64];
 208         char node[64];
 209
 210         if (express_msgs == 0)
 211                 return;
 212
 213         if (rc_exp_beep) {
 214                 scr_putc(7);
 215         }
 216         if (strlen(rc_exp_cmd) == 0) {
 217                 color(BRIGHT_RED);
 218                 scr_printf("\r---");
 219         }
 220
 221         while (express_msgs != 0) {
 222                 serv_puts("GEXP");
 223                 serv_gets(buf);
 224                 if (buf[0] != '1')
 225                         return;
 226
 227                 express_msgs = extract_int(&buf[4], 0);
 228                 timestamp = extract_long(&buf[4], 1);
 229                 flags = extract_int(&buf[4], 2);
 230                 extract(sender, &buf[4], 3);
 231                 extract(node, &buf[4], 4);
 232                 strcpy(last_paged, sender);
 233
 234                 stamp = localtime(&timestamp);
 235
 236                 /* If the page is a Logoff Request, honor it. */
 237                 if (flags & 2) {
 238                         termn8 = 1;
 239                         return;
 240                 }
 241
 242                 if (strlen(rc_exp_cmd) > 0) {
 243                         outpipe = popen(rc_exp_cmd, "w");
 244                         if (outpipe != NULL) {
 245                                 /* Header derived from flags */
 246                                 if (flags & 2)
 247                                         fprintf(outpipe,
 248                                                "Please log off now, as requested ");
 249                                 else if (flags & 1)
 250                                         fprintf(outpipe, "Broadcast message ");
 251                                 else if (flags & 4)
 252                                         fprintf(outpipe, "Chat request ");
 253                                 else
 254                                         fprintf(outpipe, "Message ");
 255                                 /* Timestamp.  Can this be improved? */
 256                                 if (stamp->tm_hour == 0 || stamp->tm_hour == 12)
 257                                         fprintf(outpipe, "at 12:%02d%cm",
 258                                                 stamp->tm_min,
 259                                                 stamp->tm_hour ? 'p' : 'a');
 260                                 else if (stamp->tm_hour > 12)           /* pm */
 261                                         fprintf(outpipe, "at %d:%02dpm",
 262                                                 stamp->tm_hour - 12,
 263                                                 stamp->tm_min);
 264                                 else                                    /* am */
 265                                         fprintf(outpipe, "at %d:%02dam",
 266                                                 stamp->tm_hour, stamp->tm_min);
 267                                 fprintf(outpipe, " from %s", sender);
 268                                 if (strncmp(serv_info.serv_nodename, node, 32))
 269                                         fprintf(outpipe, " @%s", node);
 270                                 fprintf(outpipe, ":\n");
 271                                 while (serv_gets(buf), strcmp(buf, "000")) {
 272                                         fprintf(outpipe, "%s\n", buf);
 273                                 }
 274                                 pclose(outpipe);
 275                                 if (express_msgs == 0)
 276                                         return;
 277                                 continue;
 278                         }
 279                 }
 280                 /* fall back to built-in express message display */
 281                 scr_printf("\n");
 282                 lines_printed++;
 283
 284                 /* Header derived from flags */
 285                 if (flags & 2)
 286                         scr_printf("Please log off now, as requested ");
 287                 else if (flags & 1)
 288                         scr_printf("Broadcast message ");
 289                 else if (flags & 4)
 290                         scr_printf("Chat request ");
 291                 else
 292                         scr_printf("Message ");
 293
 294                 /* Timestamp.  Can this be improved? */
 295                 if (stamp->tm_hour == 0 || stamp->tm_hour == 12)/* 12am/12pm */
 296                         scr_printf("at 12:%02d%cm", stamp->tm_min,
 297                                 stamp->tm_hour ? 'p' : 'a');
 298                 else if (stamp->tm_hour > 12)                   /* pm */
 299                         scr_printf("at %d:%02dpm",
 300                                 stamp->tm_hour - 12, stamp->tm_min);
 301                 else                                            /* am */
 302                         scr_printf("at %d:%02dam", stamp->tm_hour, stamp->tm_min);
 303
 304                 /* Sender */
 305                 scr_printf(" from %s", sender);
 306
 307                 /* Remote node, if any */
 308                 if (strncmp(serv_info.serv_nodename, node, 32))
 309                         scr_printf(" @%s", node);
 310
 311                 scr_printf(":\n");
 312                 lines_printed++;
 313                 fmout(screenwidth, NULL, NULL, 1, screenheight, -1, 0);
 314         }
 315         scr_printf("\n---\n");
 316         color(BRIGHT_WHITE);
 317
 318
 319 }
 320
 321
 322 void set_keepalives(int s)
 323 {
 324         keepalives_enabled = (char) s;
 325 }
 326
 327 /*
 328  * This loop handles the "keepalive" messages sent to the server when idling.
 329  */
 330
 331 static time_t idlet = 0;
 332 static void really_do_keepalive(void) {
 333         char buf[1024];
 334
 335         time(&idlet);
 336         if (keepalives_enabled == KA_YES) {
 337                 serv_puts("NOOP");
 338                 serv_gets(buf);
 339                 if (buf[3] == '*') {
 340                         express_msgs = 1;
 341                         if (ok_to_interrupt == 1) {
 342                                 scr_printf("\r%64s\r", "");
 343                                 print_express();
 344                                 scr_printf("%s%c ", room_name,
 345                                        room_prompt(room_flags));
 346                                 scr_flush();
 347                         }
 348                 }
 349         }
 350 }
 351
 352 /* threaded nonblocking keepalive stuff starts here. I'm going for a simple
 353    encapsulated interface; in theory there should be no need to touch these
 354    globals outside of the async_ka_* functions. */
 355
 356 #ifdef THREADED_CLIENT
 357 static pthread_t ka_thr_handle;
 358 static int ka_thr_active = 0;
 359 static int async_ka_enabled = 0;
 360
 361 static void *ka_thread(void *arg)
 362 {
 363         really_do_keepalive();
 364         pthread_detach(ka_thr_handle);
 365         ka_thr_active = 0;
 366         return NULL;
 367 }
 368
 369 /* start up a thread to handle a keepalive in the background */
 370 static void async_ka_exec(void)
 371 {
 372         if (!ka_thr_active) {
 373                 ka_thr_active = 1;
 374                 if (pthread_create(&ka_thr_handle, NULL, ka_thread, NULL)) {
 375                         perror("pthread_create");
 376                         exit(1);
 377                 }
 378         }
 379 }
 380 #endif /* THREADED_CLIENT */
 381
 382 static void do_keepalive(void)
 383 {
 384         time_t now;
 385
 386         time(&now);
 387         if ((now - idlet) < ((long) S_KEEPALIVE))
 388                 return;
 389
 390         /* Do a space-backspace to keep telnet sessions from idling out */
 391         scr_printf(" %c", 8);
 392         scr_flush();
 393
 394 #ifdef THREADED_CLIENT
 395         if (async_ka_enabled)
 396                 async_ka_exec();
 397         else
 398 #endif
 399                 really_do_keepalive();
 400 }
 401
 402
 403 /* Now the actual async-keepalve API that we expose to higher levels:
 404    async_ka_start() and async_ka_end(). These do nothing when we don't have
 405    threading enabled, so we avoid sprinkling ifdef's throughout the code. */
 406
 407 /* wait for a background keepalive to complete. this must be done before
 408    attempting any further server requests! */
 409 void async_ka_end(void)
 410 {
 411 #ifdef THREADED_CLIENT
 412         if (ka_thr_active)
 413                 pthread_join(ka_thr_handle, NULL);
 414
 415         async_ka_enabled--;
 416 #endif
 417 }
 418
 419 /* tell do_keepalive() that keepalives are asynchronous. */
 420 void async_ka_start(void)
 421 {
 422 #ifdef THREADED_CLIENT
 423         async_ka_enabled++;
 424 #endif
 425 }
 426
 427
 428 int inkey(void)
 429 {                               /* get a character from the keyboard, with   */
 430         int a;                  /* the watchdog timer in effect if necessary */
 431         fd_set rfds;
 432         struct timeval tv;
 433         time_t start_time, now;
 434
 435         scr_flush();
 436         lines_printed = 0;
 437         time(&start_time);
 438
 439         do {
 440
 441                 /* This loop waits for keyboard input.  If the keepalive
 442                  * timer expires, it sends a keepalive to the server if
 443                  * necessary and then waits again.
 444                  */
 445                 do {
 446                         do_keepalive();
 447
 448                         FD_ZERO(&rfds);
 449                         FD_SET(0, &rfds);
 450                         tv.tv_sec = S_KEEPALIVE;
 451                         tv.tv_usec = 0;
 452
 453                         time(&now);
 454                         select(1, &rfds, NULL, NULL, &tv);
 455                 } while (!FD_ISSET(0, &rfds));
 456
 457
 458
 459
 460                 /* At this point, there's input, so fetch it.
 461                  * (There's a hole in the bucket...)
 462                  */
 463                 a = scr_getc();
 464                 if (a == 127)
 465                         a = 8;
 466                 if (a > 126)
 467                         a = 0;
 468                 if (a == 13)
 469                         a = 10;
 470                 if (((a != 4) && (a != 10) && (a != 8) && (a != NEXT_KEY) && (a != STOP_KEY))
 471                     && ((a < 32) || (a > 126)))
 472                         a = 0;
 473         } while (a == 0);
 474         return (a);
 475 }
 476
 477
 478 int yesno(void)
 479 {                               /* Returns 1 for yes, 0 for no */
 480         int a;
 481         while (1) {
 482                 a = inkey();
 483                 a = tolower(a);
 484                 if (a == 'y') {
 485                         scr_printf("Yes\n");
 486                         return (1);
 487                 }
 488                 if (a == 'n') {
 489                         scr_printf("No\n");
 490                         return (0);
 491                 }
 492         }
 493 }
 494
 495 /* Returns 1 for yes, 0 for no, arg is default value */
 496 int yesno_d(int d)
 497 {
 498         int a;
 499         while (1) {
 500                 a = inkey();
 501                 a = tolower(a);
 502                 if (a == 10)
 503                         a = (d ? 'y' : 'n');
 504                 if (a == 'y') {
 505                         scr_printf("Yes\n");
 506                         return (1);
 507                 }
 508                 if (a == 'n') {
 509                         scr_printf("No\n");
 510                         return (0);
 511                 }
 512         }
 513 }
 514
 515
 516
 517
 518 /* Gets a line from the terminal */
 519 /* string == Pointer to string buffer */
 520 /* lim == Maximum length - if negative, no-show */
 521 void getline(char *string, int lim)
 522 {
 523         int a, b;
 524         char flag = 0;
 525
 526         if (lim < 0) {
 527                 lim = (0 - lim);
 528                 flag = 1;
 529         }
 530         strcpy(string, "");
 531         gl_string = string;
 532         async_ka_start();
 533       GLA:a = inkey();
 534         a = (a & 127);
 535         if ((a == 8) && (strlen(string) == 0))
 536                 goto GLA;
 537         if ((a != 10) && (a != 8) && (strlen(string) == lim))
 538                 goto GLA;
 539         if ((a == 8) && (string[0] != 0)) {
 540                 string[strlen(string) - 1] = 0;
 541                 scr_putc(8);
 542                 scr_putc(32);
 543                 scr_putc(8);
 544                 goto GLA;
 545         }
 546         if ((a == 10)) {
 547                 scr_putc(10);
 548                 async_ka_end();
 549                 return;
 550         }
 551         if (a < 32)
 552                 a = '.';
 553         b = strlen(string);
 554         string[b] = a;
 555         string[b + 1] = 0;
 556         if (flag == 0)
 557                 scr_putc(a);
 558         if (flag == 1)
 559                 scr_putc('*');
 560         goto GLA;
 561 }
 562
 563
 564 /*
 565  * strprompt()  -  prompt for a string, print the existing value and
 566  *                 allow the user to press return to keep it...
 567  */
 568 void strprompt(char *prompt, char *str, int len)
 569 {
 570         char buf[128];
 571         print_express();
 572         color(DIM_WHITE);
 573         scr_printf("%s ", prompt);
 574         color(DIM_MAGENTA);
 575         scr_printf("[");
 576         color(BRIGHT_MAGENTA);
 577         scr_printf("%s", str);
 578         color(DIM_MAGENTA);
 579         scr_printf("]");
 580         color(DIM_WHITE);
 581         scr_printf(": ");
 582         color(BRIGHT_CYAN);
 583         getline(buf, len);
 584         if (buf[0] != 0)
 585                 strcpy(str, buf);
 586         color(DIM_WHITE);
 587 }
 588
 589 /*
 590  * boolprompt()  -  prompt for a yes/no, print the existing value and
 591  *                  allow the user to press return to keep it...
 592  */
 593 int boolprompt(char *prompt, int prev_val)
 594 {
 595         int r;
 596
 597         color(DIM_WHITE);
 598         scr_printf("%s ", prompt);
 599         color(DIM_MAGENTA);
 600         scr_printf(" [");
 601         color(BRIGHT_MAGENTA);
 602         scr_printf("%s", (prev_val ? "Yes" : "No"));
 603         color(DIM_MAGENTA);
 604         scr_printf("]: ");
 605         color(BRIGHT_CYAN);
 606         r = (yesno_d(prev_val));
 607         color(DIM_WHITE);
 608         return r;
 609 }
 610
 611 /*
 612  * intprompt()  -  like strprompt(), except for an integer
 613  *                 (note that it RETURNS the new value!)
 614  */
 615 int intprompt(char *prompt, int ival, int imin, int imax)
 616 {
 617         char buf[16];
 618         int i;
 619         int p;
 620
 621         do {
 622                 i = ival;
 623                 snprintf(buf, sizeof buf, "%d", i);
 624                 strprompt(prompt, buf, 15);
 625                 i = atoi(buf);
 626                 for (p=0; p<strlen(buf); ++p) {
 627                         if ( (!isdigit(buf[p]))
 628                            && ( (buf[p]!='-') || (p!=0) )  )
 629                                 i = imin - 1;
 630                 }
 631                 if (i < imin)
 632                         scr_printf("*** Must be no less than %d.\n", imin);
 633                 if (i > imax)
 634                         scr_printf("*** Must be no more than %d.\n", imax);
 635         } while ((i < imin) || (i > imax));
 636         return (i);
 637 }
 638
 639 /*
 640  * newprompt()  -  prompt for a string with no existing value
 641  *                 (clears out string buffer first)
 642  */
 643 void newprompt(char *prompt, char *str, int len)
 644 {
 645         color(BRIGHT_MAGENTA);
 646         scr_printf("%s", prompt);
 647         color(DIM_MAGENTA);
 648         getline(str, len);
 649         color(DIM_WHITE);
 650 }
 651
 652
 653 int lkey(void)
 654 {                               /* returns a lower case value */
 655         int a;
 656         a = inkey();
 657         if (isupper(a))
 658                 a = tolower(a);
 659         return (a);
 660 }
 661
 662 /*
 663  * parse the citadel.rc file
 664  */
 665 void load_command_set(void)
 666 {
 667         FILE *ccfile;
 668         char buf[1024];
 669         struct citcmd *cptr;
 670         struct citcmd *lastcmd = NULL;
 671         int a, d;
 672         int b = 0;
 673
 674
 675         /* first, set up some defaults for non-required variables */
 676
 677         strcpy(editor_path, "");
 678         strcpy(printcmd, "");
 679         strcpy(rc_username, "");
 680         strcpy(rc_password, "");
 681         rc_floor_mode = 0;
 682         rc_exp_beep = 1;
 683         rc_allow_attachments = 0;
 684         rc_remember_passwords = 0;
 685         strcpy(rc_exp_cmd, "");
 686         rc_display_message_numbers = 0;
 687         rc_force_mail_prompts = 0;
 688         rc_ansi_color = 0;
 689         strcpy(rc_url_cmd, "");
 690         rc_encrypt = RC_DEFAULT;
 691         rc_screen = RC_DEFAULT;
 692         rc_alt_semantics = 0;
 693
 694         /* now try to open the citadel.rc file */
 695
 696         ccfile = NULL;
 697         if (getenv("HOME") != NULL) {
 698                 snprintf(buf, sizeof buf, "%s/.citadelrc", getenv("HOME"));
 699                 ccfile = fopen(buf, "r");
 700         }
 701         if (ccfile == NULL) {
 702                 ccfile = fopen("/usr/local/lib/citadel.rc", "r");
 703         }
 704         if (ccfile == NULL) {
 705                 snprintf(buf, sizeof buf, "%s/citadel.rc", BBSDIR);
 706                 ccfile = fopen(buf, "r");
 707         }
 708         if (ccfile == NULL) {
 709                 ccfile = fopen("./citadel.rc", "r");
 710         }
 711         if (ccfile == NULL) {
 712                 perror("commands: cannot open citadel.rc");
 713                 logoff(errno);
 714         }
 715         while (fgets(buf, sizeof buf, ccfile) != NULL) {
 716                 while ((strlen(buf) > 0) ? (isspace(buf[strlen(buf) - 1])) : 0)
 717                         buf[strlen(buf) - 1] = 0;
 718
 719                 if (!strncasecmp(buf, "encrypt=", 8)) {
 720                         if (!strcasecmp(&buf[8], "yes"))
 721                                 rc_encrypt = RC_YES;
 722                         else if (!strcasecmp(&buf[8], "no"))
 723                                 rc_encrypt = RC_NO;
 724                         else if (!strcasecmp(&buf[8], "default"))
 725                                 rc_encrypt = RC_DEFAULT;
 726                 }
 727
 728                 if (!strncasecmp(buf, "fullscreen=", 11)) {
 729                         if (!strcasecmp(&buf[11], "yes"))
 730                                 rc_screen = RC_YES;
 731                         else if (!strcasecmp(&buf[11], "no"))
 732                                 rc_screen = RC_NO;
 733                 }
 734
 735                 if (!strncasecmp(buf, "editor=", 7))
 736                         strcpy(editor_path, &buf[7]);
 737
 738                 if (!strncasecmp(buf, "printcmd=", 9))
 739                         strcpy(printcmd, &buf[9]);
 740
 741                 if (!strncasecmp(buf, "expcmd=", 7))
 742                         strcpy(rc_exp_cmd, &buf[7]);
 743
 744                 if (!strncasecmp(buf, "local_screen_dimensions=", 24))
 745                         have_xterm = (char) atoi(&buf[24]);
 746
 747                 if (!strncasecmp(buf, "use_floors=", 11)) {
 748                         if (!strcasecmp(&buf[11], "yes"))
 749                                 rc_floor_mode = RC_YES;
 750                         if (!strcasecmp(&buf[11], "no"))
 751                                 rc_floor_mode = RC_NO;
 752                         if (!strcasecmp(&buf[11], "default"))
 753                                 rc_floor_mode = RC_DEFAULT;
 754                 }
 755                 if (!strncasecmp(buf, "beep=", 5)) {
 756                         rc_exp_beep = atoi(&buf[5]);
 757                 }
 758                 if (!strncasecmp(buf, "allow_attachments=", 18)) {
 759                         rc_allow_attachments = atoi(&buf[18]);
 760                 }
 761                 if (!strncasecmp(buf, "remember_passwords=", 19)) {
 762                         rc_remember_passwords = atoi(&buf[19]);
 763                 }
 764                 if (!strncasecmp(buf, "display_message_numbers=", 24)) {
 765                         rc_display_message_numbers = atoi(&buf[24]);
 766                 }
 767                 if (!strncasecmp(buf, "force_mail_prompts=", 19)) {
 768                         rc_force_mail_prompts = atoi(&buf[19]);
 769                 }
 770                 if (!strncasecmp(buf, "ansi_color=", 11)) {
 771                         if (!strncasecmp(&buf[11], "on", 2))
 772                                 rc_ansi_color = 1;
 773                         if (!strncasecmp(&buf[11], "auto", 4))
 774                                 rc_ansi_color = 2;      /* autodetect */
 775                         if (!strncasecmp(&buf[11], "user", 4))
 776                                 rc_ansi_color = 3;      /* user config */
 777                 }
 778                 if (!strncasecmp(buf, "username=", 9))
 779                         strcpy(rc_username, &buf[9]);
 780
 781                 if (!strncasecmp(buf, "password=", 9))
 782                         strcpy(rc_password, &buf[9]);
 783
 784                 if (!strncasecmp(buf, "urlcmd=", 7))
 785                         strcpy(rc_url_cmd, &buf[7]);
 786
 787                 if (!strncasecmp(buf, "alternate_semantics=", 20)) {
 788                         if (!strncasecmp(&buf[11], "yes", 3))
 789                                 rc_alt_semantics = 1;
 790                         if (!strncasecmp(&buf[11], "no", 2))
 791                                 rc_alt_semantics = 0;
 792                 }
 793                 if (!strncasecmp(buf, "cmd=", 4)) {
 794                         strcpy(buf, &buf[4]);
 795
 796                         cptr = (struct citcmd *) malloc(sizeof(struct citcmd));
 797
 798                         cptr->c_cmdnum = atoi(buf);
 799                         for (d = strlen(buf); d >= 0; --d)
 800                                 if (buf[d] == ',')
 801                                         b = d;
 802                         strcpy(buf, &buf[b + 1]);
 803
 804                         cptr->c_axlevel = atoi(buf);
 805                         for (d = strlen(buf); d >= 0; --d)
 806                                 if (buf[d] == ',')
 807                                         b = d;
 808                         strcpy(buf, &buf[b + 1]);
 809
 810                         for (a = 0; a < 5; ++a)
 811                                 cptr->c_keys[a][0] = 0;
 812
 813                         a = 0;
 814                         b = 0;
 815                         buf[strlen(buf) + 1] = 0;
 816                         while (strlen(buf) > 0) {
 817                                 b = strlen(buf);
 818                                 for (d = strlen(buf); d >= 0; --d)
 819                                         if (buf[d] == ',')
 820                                                 b = d;
 821                                 strncpy(cptr->c_keys[a], buf, b);
 822                                 cptr->c_keys[a][b] = 0;
 823                                 if (buf[b] == ',')
 824                                         strcpy(buf, &buf[b + 1]);
 825                                 else
 826                                         strcpy(buf, "");
 827                                 ++a;
 828                         }
 829
 830                         cptr->next = NULL;
 831                         if (cmdlist == NULL)
 832                                 cmdlist = cptr;
 833                         else
 834                                 lastcmd->next = cptr;
 835                         lastcmd = cptr;
 836                 }
 837         }
 838         fclose(ccfile);
 839 }
 840
 841
 842
 843 /*
 844  * return the key associated with a command
 845  */
 846 char keycmd(char *cmdstr)
 847 {
 848         int a;
 849
 850         for (a = 0; a < strlen(cmdstr); ++a)
 851                 if (cmdstr[a] == '&')
 852                         return (tolower(cmdstr[a + 1]));
 853         return (0);
 854 }
 855
 856
 857 /*
 858  * Output the string from a key command without the ampersand
 859  * "mode" should be set to 0 for normal or 1 for <C>ommand key highlighting
 860  */
 861 char *cmd_expand(char *strbuf, int mode)
 862 {
 863         int a;
 864         static char exp[64];
 865         char buf[1024];
 866
 867         strcpy(exp, strbuf);
 868
 869         for (a = 0; a < strlen(exp); ++a) {
 870                 if (strbuf[a] == '&') {
 871
 872                         if (mode == 0) {
 873                                 strcpy(&exp[a], &exp[a + 1]);
 874                         }
 875                         if (mode == 1) {
 876                                 exp[a] = '<';
 877                                 strcpy(buf, &exp[a + 2]);
 878                                 exp[a + 2] = '>';
 879                                 exp[a + 3] = 0;
 880                                 strcat(exp, buf);
 881                         }
 882                 }
 883                 if (!strncmp(&exp[a], "^r", 2)) {
 884                         strcpy(buf, exp);
 885                         strcpy(&exp[a], room_name);
 886                         strcat(exp, &buf[a + 2]);
 887                 }
 888                 if (!strncmp(&exp[a], "^c", 2)) {
 889                         exp[a] = ',';
 890                         strcpy(&exp[a + 1], &exp[a + 2]);
 891                 }
 892         }
 893
 894         return (exp);
 895 }
 896
 897
 898
 899 /*
 900  * Comparison function to determine if entered commands match a
 901  * command loaded from the config file.
 902  */
 903 int cmdmatch(char *cmdbuf, struct citcmd *cptr, int ncomp)
 904 {
 905         int a;
 906         int cmdax;
 907
 908         cmdax = 0;
 909         if (is_room_aide)
 910                 cmdax = 1;
 911         if (axlevel >= 6)
 912                 cmdax = 2;
 913
 914         for (a = 0; a < ncomp; ++a) {
 915                 if ((tolower(cmdbuf[a]) != keycmd(cptr->c_keys[a]))
 916                     || (cptr->c_axlevel > cmdax))
 917                         return (0);
 918         }
 919         return (1);
 920 }
 921
 922
 923 /*
 924  * This function returns 1 if a given command requires a string input
 925  */
 926 int requires_string(struct citcmd *cptr, int ncomp)
 927 {
 928         int a;
 929         char buf[64];
 930
 931         strcpy(buf, cptr->c_keys[ncomp - 1]);
 932         for (a = 0; a < strlen(buf); ++a) {
 933                 if (buf[a] == ':')
 934                         return (1);
 935         }
 936         return (0);
 937 }
 938
 939
 940 /*
 941  * Input a command at the main prompt.
 942  * This function returns an integer command number.  If the command prompts
 943  * for a string then it is placed in the supplied buffer.
 944  */
 945 int getcmd(char *argbuf)
 946 {
 947         char cmdbuf[5];
 948         int cmdspaces[5];
 949         int cmdpos;
 950         int ch;
 951         int a;
 952         int got;
 953         int this_lazy_cmd;
 954         struct citcmd *cptr;
 955
 956         /*
 957          * Starting a new command now, so set sigcaught to 0.  This variable
 958          * is set to nonzero (usually NEXT_KEY or STOP_KEY) if a command has
 959          * been interrupted by a keypress.
 960          */
 961         sigcaught = 0;
 962
 963         /* Switch color support on or off if we're in user mode */
 964         if (rc_ansi_color == 3) {
 965                 if (userflags & US_COLOR)
 966                         enable_color = 1;
 967                 else
 968                         enable_color = 0;
 969         }
 970         /* if we're running in idiot mode, display a cute little menu */
 971         IFNEXPERT formout("mainmenu");
 972
 973         print_express();        /* print express messages if there are any */
 974         strcpy(argbuf, "");
 975         cmdpos = 0;
 976         for (a = 0; a < 5; ++a)
 977                 cmdbuf[a] = 0;
 978         /* now the room prompt... */
 979         ok_to_interrupt = 1;
 980         color(BRIGHT_WHITE);
 981         scr_printf("\n%s", room_name);
 982         color(DIM_WHITE);
 983         scr_printf("%c ", room_prompt(room_flags));
 984         scr_flush();
 985
 986         while (1) {
 987                 ch = inkey();
 988                 ok_to_interrupt = 0;
 989
 990                 /* Handle the backspace key, but only if there's something
 991                  * to backspace over...
 992                  */
 993                 if ((ch == 8) && (cmdpos > 0)) {
 994                         back(cmdspaces[cmdpos - 1] + 1);
 995                         cmdbuf[cmdpos] = 0;
 996                         --cmdpos;
 997                 }
 998                 /* Spacebar invokes "lazy traversal" commands */
 999                 if ((ch == 32) && (cmdpos == 0)) {
1000                         this_lazy_cmd = next_lazy_cmd;
1001                         if (this_lazy_cmd == 13)
1002                                 next_lazy_cmd = 5;
1003                         if (this_lazy_cmd == 5)
1004                                 next_lazy_cmd = 13;
1005                         for (cptr = cmdlist; cptr != NULL; cptr = cptr->next) {
1006                                 if (cptr->c_cmdnum == this_lazy_cmd) {
1007                                         for (a = 0; a < 5; ++a)
1008                                                 if (cptr->c_keys[a][0] != 0)
1009                                                         scr_printf("%s ", cmd_expand(
1010                                                                                         cptr->c_keys[a], 0));
1011                                         scr_printf("\n");
1012                                         return (this_lazy_cmd);
1013                                 }
1014                         }
1015                         scr_printf("\n");
1016                         return (this_lazy_cmd);
1017                 }
1018                 /* Otherwise, process the command */
1019                 cmdbuf[cmdpos] = tolower(ch);
1020
1021                 for (cptr = cmdlist; cptr != NULL; cptr = cptr->next) {
1022                         if (cmdmatch(cmdbuf, cptr, cmdpos + 1)) {
1023
1024                                 scr_printf("%s", cmd_expand(cptr->c_keys[cmdpos], 0));
1025                                 cmdspaces[cmdpos] = strlen(
1026                                     cmd_expand(cptr->c_keys[cmdpos], 0));
1027                                 if (cmdpos < 4)
1028                                         if ((cptr->c_keys[cmdpos + 1]) != 0)
1029                                                 scr_putc(' ');
1030                                 ++cmdpos;
1031                         }
1032                 }
1033
1034                 for (cptr = cmdlist; cptr != NULL; cptr = cptr->next) {
1035                         if (cmdmatch(cmdbuf, cptr, 5)) {
1036                                 /* We've found our command. */
1037                                 if (requires_string(cptr, cmdpos)) {
1038                                         getline(argbuf, 32);
1039                                 } else {
1040                                         scr_printf("\n");
1041                                 }
1042
1043                                 /* If this command is one that changes rooms,
1044                                  * then the next lazy-command (space bar)
1045                                  * should be "read new" instead of "goto"
1046                                  */
1047                                 if ((cptr->c_cmdnum == 5)
1048                                     || (cptr->c_cmdnum == 6)
1049                                     || (cptr->c_cmdnum == 47)
1050                                     || (cptr->c_cmdnum == 52)
1051                                     || (cptr->c_cmdnum == 16)
1052                                     || (cptr->c_cmdnum == 20))
1053                                         next_lazy_cmd = 13;
1054
1055                                 return (cptr->c_cmdnum);
1056
1057                         }
1058                 }
1059
1060                 if (ch == '?') {
1061                         pprintf("\rOne of ...                         \n");
1062                         for (cptr = cmdlist; cptr != NULL; cptr = cptr->next) {
1063                                 if (cmdmatch(cmdbuf, cptr, cmdpos)) {
1064                                         for (a = 0; a < 5; ++a) {
1065                                                 pprintf("%s ", cmd_expand(cptr->c_keys[a], 1));
1066                                         }
1067                                         pprintf("\n");
1068                                 }
1069                         }
1070
1071                         pprintf("\n%s%c ", room_name, room_prompt(room_flags));
1072                         got = 0;
1073                         for (cptr = cmdlist; cptr != NULL; cptr = cptr->next) {
1074                                 if ((got == 0) && (cmdmatch(cmdbuf, cptr, cmdpos))) {
1075                                         for (a = 0; a < cmdpos; ++a) {
1076                                                 pprintf("%s ",
1077                                                        cmd_expand(cptr->c_keys[a], 0));
1078                                         }
1079                                         got = 1;
1080                                 }
1081                         }
1082                 }
1083         }
1084
1085 }
1086
1087
1088
1089
1090
1091 /*
1092  * set tty modes.  commands are:
1093  *
1094  * 01- set to bbs mode
1095  * 2 - save current settings for later restoral
1096  * 3 - restore saved settings
1097  */
1098 #ifdef HAVE_TERMIOS_H
1099 void sttybbs(int cmd)
1100 {                               /* SysV version of sttybbs() */
1101         struct termios live;
1102         static struct termios saved_settings;
1103         static int last_cmd = 0;
1104
1105         if (cmd == SB_LAST)
1106                 cmd = last_cmd;
1107         else
1108                 last_cmd = cmd;
1109
1110         if ((cmd == 0) || (cmd == 1)) {
1111                 tcgetattr(0, &live);
1112                 live.c_iflag = ISTRIP | IXON | IXANY;
1113                 live.c_oflag = OPOST | ONLCR;
1114                 live.c_lflag = ISIG | NOFLSH;
1115
1116                 live.c_cc[VINTR] = (-1);
1117                 live.c_cc[VQUIT] = (-1);
1118
1119 #ifdef hpux
1120                 live.c_cc[VMIN] = 0;
1121                 live.c_cc[VTIME] = 0;
1122 #endif
1123
1124                 /* do we even need this stuff anymore? */
1125                 /* live.c_line=0; */
1126                 live.c_cc[VERASE] = 8;
1127                 live.c_cc[VKILL] = 24;
1128                 live.c_cc[VEOF] = 1;
1129                 live.c_cc[VEOL] = 255;
1130                 live.c_cc[VEOL2] = 0;
1131                 live.c_cc[VSTART] = 0;
1132                 tcsetattr(0, TCSADRAIN, &live);
1133         }
1134         if (cmd == 2) {
1135                 tcgetattr(0, &saved_settings);
1136         }
1137         if (cmd == 3) {
1138                 tcsetattr(0, TCSADRAIN, &saved_settings);
1139         }
1140 }
1141 #else
1142 void sttybbs(int cmd)
1143 {                               /* BSD version of sttybbs() */
1144         struct sgttyb live;
1145         static struct sgttyb saved_settings;
1146         static int last_cmd = 0;
1147
1148         if (cmd == SB_LAST)
1149                 cmd = last_cmd;
1150         else
1151                 last_cmd = cmd;
1152
1153         if ((cmd == 0) || (cmd == 1)) {
1154                 gtty(0, &live);
1155                 live.sg_flags |= CBREAK;
1156                 live.sg_flags |= CRMOD;
1157                 live.sg_flags |= NL1;
1158                 live.sg_flags &= ~ECHO;
1159                 if (cmd == 1)
1160                         live.sg_flags |= NOFLSH;
1161                 stty(0, &live);
1162         }
1163         if (cmd == 2) {
1164                 gtty(0, &saved_settings);
1165         }
1166         if (cmd == 3) {
1167                 stty(0, &saved_settings);
1168         }
1169 }
1170 #endif
1171
1172
1173 /*
1174  * display_help()  -  help file viewer
1175  */
1176 void display_help(char *name)
1177 {
1178         formout(name);
1179 }
1180
1181
1182 /*
1183  * fmout()  -  Citadel text formatter and paginator
1184  */
1185 int fmout(
1186         int width,      /* screen width to use */
1187         FILE *fpin,     /* file to read from, or NULL to read from server */
1188         FILE *fpout,    /* File to write to, or NULL to write to screen */
1189         char pagin,     /* nonzero if we should use the paginator */
1190         int height,     /* screen height to use */
1191         int starting_lp,/* starting value for lines_printed, -1 for global */
1192         char subst)     /* nonzero if we should use hypertext mode */
1193 {
1194         int a, b, c, d, old;
1195         int real = (-1);
1196         char aaa[140];
1197         char buffer[512];
1198         int eof_flag = 0;
1199
1200         num_urls = 0;   /* Start with a clean slate of embedded URL's */
1201
1202         if (starting_lp >= 0) {
1203                 lines_printed = starting_lp;
1204         }
1205         strcpy(aaa, "");
1206         old = 255;
1207         strcpy(buffer, "");
1208         c = 1;                  /* c is the current pos */
1209
1210 FMTA:   while ((eof_flag == 0) && (strlen(buffer) < 126)) {
1211                 if (fpin != NULL) {     /* read from file */
1212                         if (feof(fpin))
1213                                 eof_flag = 1;
1214                         if (eof_flag == 0) {
1215                                 a = getc(fpin);
1216                                 buffer[strlen(buffer) + 1] = 0;
1217                                 buffer[strlen(buffer)] = a;
1218                         }
1219                 } else {        /* read from server */
1220                         d = strlen(buffer);
1221                         serv_gets(&buffer[d]);
1222                         while ((!isspace(buffer[d])) && (isspace(buffer[strlen(buffer) - 1])))
1223                                 buffer[strlen(buffer) - 1] = 0;
1224                         if (!strcmp(&buffer[d], "000")) {
1225                                 buffer[d] = 0;
1226                                 eof_flag = 1;
1227                                 while (isspace(buffer[strlen(buffer) - 1]))
1228                                         buffer[strlen(buffer) - 1] = 0;
1229                         }
1230                         d = strlen(buffer);
1231                         buffer[d] = 10;
1232                         buffer[d + 1] = 0;
1233                 }
1234         }
1235
1236         if ( (!strncasecmp(buffer, "http://", 7))
1237            || (!strncasecmp(buffer, "ftp://", 6)) ) {
1238                 safestrncpy(urls[num_urls], buffer, (SIZ-1));
1239                 for (a=0; a<strlen(urls[num_urls]); ++a) {
1240                         b = urls[num_urls][a];
1241                         if ( (b==' ') || (b==')') || (b=='>') || (b==10)
1242                            || (b==13) || (b==9) || (b=='\"') )
1243                                 urls[num_urls][a] = 0;
1244                 }
1245                 ++num_urls;
1246         }
1247
1248         buffer[strlen(buffer) + 1] = 0;
1249         a = buffer[0];
1250         strcpy(buffer, &buffer[1]);
1251
1252         old = real;
1253         real = a;
1254         if (a <= 0)
1255                 goto FMTEND;
1256
1257         if (((a == 13) || (a == 10)) && (old != 13) && (old != 10))
1258                 a = 32;
1259         if (((old == 13) || (old == 10)) && (isspace(real))) {
1260                 if (fpout) {
1261                         fprintf(fpout, "\n");
1262                 } else {
1263                         scr_printf("\n");
1264                         ++lines_printed;
1265                         lines_printed = checkpagin(lines_printed, pagin, height);
1266                 }
1267                 c = 1;
1268         }
1269         if (a > 126)
1270                 goto FMTA;
1271
1272         if (a > 32) {
1273                 if (((strlen(aaa) + c) > (width - 1)) && (strlen(aaa) > (width - 1))) {
1274                         if (fpout) {
1275                                 fprintf(fpout, "\n%s", aaa);
1276                         } else {
1277                                 scr_printf("\n%s", aaa);
1278                                 ++lines_printed;
1279                                 lines_printed = checkpagin(lines_printed, pagin, height);
1280                         }
1281                         c = strlen(aaa);
1282                         aaa[0] = 0;
1283                 }
1284                 b = strlen(aaa);
1285                 aaa[b] = a;
1286                 aaa[b + 1] = 0;
1287         }
1288         if (a == 32) {
1289                 if ((strlen(aaa) + c) > (width - 1)) {
1290                         c = 1;
1291                         if (fpout) {
1292                                 fprintf(fpout, "\n");
1293                         } else {
1294                                 scr_printf("\n");
1295                                 ++lines_printed;
1296                                 lines_printed = checkpagin(lines_printed, pagin, height);
1297                         }
1298                 }
1299                 if (fpout) {
1300                         fprintf(fpout, "%s ", aaa);
1301                 } else {
1302                         scr_printf("%s ", aaa);
1303                 }
1304                 ++c;
1305                 c = c + strlen(aaa);
1306                 strcpy(aaa, "");
1307                 goto FMTA;
1308         }
1309         if ((a == 13) || (a == 10)) {
1310                 if (fpout) {
1311                         fprintf(fpout, "%s\n", aaa);
1312                 } else {
1313                         scr_printf("%s\n", aaa);
1314                         ++lines_printed;
1315                         lines_printed = checkpagin(lines_printed, pagin, height);
1316                 }
1317                 c = 1;
1318                 if (sigcaught) goto OOPS;
1319                 strcpy(aaa, "");
1320                 goto FMTA;
1321         }
1322         goto FMTA;
1323
1324         /* keypress caught; drain the server */
1325 OOPS:   do {
1326                 serv_gets(aaa);
1327         } while (strcmp(aaa, "000"));
1328
1329 FMTEND:
1330         if (fpout) {
1331                 fprintf(fpout, "\n");
1332         } else {
1333                 scr_printf("\n");
1334                 ++lines_printed;
1335                 lines_printed = checkpagin(lines_printed, pagin, height);
1336         }
1337         return (sigcaught);
1338 }
1339
1340
1341 /*
1342  * support ANSI color if defined
1343  */
1344 void color(int colornum)
1345 {
1346         static int is_bold = 0;
1347         static int hold_color, current_color;
1348
1349         if (colornum == COLOR_PUSH) {
1350                 hold_color = current_color;
1351                 return;
1352         }
1353
1354         if (colornum == COLOR_POP) {
1355                 color(hold_color);
1356                 return;
1357         }
1358
1359         current_color = colornum;
1360         if (enable_color) {
1361 #ifdef HAVE_CURSES_H
1362                 if (scr_color(colornum))
1363                         return;
1364 #endif
1365                 /* When switching to dim white, actually output an 'original
1366                  * pair' sequence -- this looks better on black-on-white
1367                  * terminals.
1368                  */
1369                 if (colornum == DIM_WHITE)
1370                         printf("\033[39;49m");
1371                 else
1372                         printf("\033[3%d;40m", (colornum & 7));
1373
1374                 if ((colornum >= 8) && (is_bold == 0)) {
1375                         printf("\033[1m");
1376                         is_bold = 1;
1377                 } else if ((colornum < 8) && (is_bold == 1)) {
1378                         printf("\033[0m");
1379                         is_bold = 0;
1380                 }
1381                 scr_flush();
1382         }
1383 }
1384
1385 void cls(int colornum)
1386 {
1387         if (enable_color) {
1388                 printf("\033[4%dm\033[2J\033[H\033[0m", colornum);
1389                 scr_flush();
1390         }
1391 }
1392
1393
1394 /*
1395  * Detect whether ANSI color is available (answerback)
1396  */
1397 void send_ansi_detect(void)
1398 {
1399         if (rc_ansi_color == 2) {
1400                 printf("\033[c");
1401                 scr_flush();
1402                 time(&AnsiDetect);
1403         }
1404 }
1405
1406 void look_for_ansi(void)
1407 {
1408         fd_set rfds;
1409         struct timeval tv;
1410         char abuf[512];
1411         time_t now;
1412         int a;
1413
1414         if (rc_ansi_color == 0) {
1415                 enable_color = 0;
1416         } else if (rc_ansi_color == 1) {
1417                 enable_color = 1;
1418         } else if (rc_ansi_color == 2) {
1419
1420                 /* otherwise, do the auto-detect */
1421
1422                 strcpy(abuf, "");
1423
1424                 time(&now);
1425                 if ((now - AnsiDetect) < 2)
1426                         sleep(1);
1427
1428                 do {
1429                         FD_ZERO(&rfds);
1430                         FD_SET(0, &rfds);
1431                         tv.tv_sec = 0;
1432                         tv.tv_usec = 1;
1433
1434                         select(1, &rfds, NULL, NULL, &tv);
1435                         if (FD_ISSET(0, &rfds)) {
1436                                 abuf[strlen(abuf) + 1] = 0;
1437                                 read(0, &abuf[strlen(abuf)], 1);
1438                         }
1439                 } while (FD_ISSET(0, &rfds));
1440
1441                 for (a = 0; a < strlen(abuf); ++a) {
1442                         if ((abuf[a] == 27) && (abuf[a + 1] == '[')
1443                             && (abuf[a + 2] == '?')) {
1444                                 enable_color = 1;
1445                         }
1446                 }
1447         }
1448 }
1449
1450
1451 /*
1452  * Display key options (highlight hotkeys inside angle brackets)
1453  */
1454 void keyopt(char *buf) {
1455         int i;
1456
1457         color(DIM_WHITE);
1458         for (i=0; i<strlen(buf); ++i) {
1459                 if (buf[i]=='<') {
1460                         scr_putc(buf[i]);
1461                         color(BRIGHT_MAGENTA);
1462                 } else {
1463                         if (buf[i]=='>') {
1464                                 color(DIM_WHITE);
1465                         }
1466                         scr_putc(buf[i]);
1467                 }
1468         }
1469         color(DIM_WHITE);
1470 }
1471
1472
1473
1474 /*
1475  * Present a key-menu line choice type of thing
1476  */
1477 char keymenu(char *menuprompt, char *menustring) {
1478         int i, c, a;
1479         int choices;
1480         int do_prompt = 0;
1481         char buf[1024];
1482         int ch;
1483         int display_prompt = 1;
1484
1485         choices = num_tokens(menustring, '|');
1486
1487         if (menuprompt != NULL) do_prompt = 1;
1488         if (menuprompt != NULL) if (strlen(menuprompt)==0) do_prompt = 0;
1489
1490         while (1) {
1491                 if (display_prompt) {
1492                         if (do_prompt) {
1493                                 scr_printf("%s ", menuprompt);
1494                         }
1495                         else {
1496                                 for (i=0; i<choices; ++i) {
1497                                         extract(buf, menustring, i);
1498                                         keyopt(buf);
1499                                         scr_printf(" ");
1500                                 }
1501                         }
1502                         scr_printf(" -> ");
1503                         display_prompt = 0;
1504                 }
1505                 ch = lkey();
1506
1507                 if ( (do_prompt) && (ch=='?') ) {
1508                         scr_printf("\rOne of...                               ");
1509                         scr_printf("                                      \n");
1510                         for (i=0; i<choices; ++i) {
1511                                 extract(buf, menustring, i);
1512                                 scr_printf("   ");
1513                                 keyopt(buf);
1514                                 scr_printf("\n");
1515                         }
1516                         scr_printf("\n");
1517                         display_prompt = 1;
1518                 }
1519
1520                 for (i=0; i<choices; ++i) {
1521                         extract(buf, menustring, i);
1522                         for (c=1; c<strlen(buf); ++c) {
1523                                 if ( (ch == tolower(buf[c]))
1524                                    && (buf[c-1]=='<')
1525                                    && (buf[c+1]=='>') ) {
1526                                         for (a=0; a<strlen(buf); ++a) {
1527                                                 if ( (a!=(c-1)) && (a!=(c+1))) {
1528                                                         scr_putc(buf[a]);
1529                                                 }
1530                                         }
1531                                         scr_printf("\n\n");
1532                                         return ch;
1533                                 }
1534                         }
1535                 }
1536         }
1537 }