citadel/citadel.c

   1 /*
   2  * Citadel/UX
   3  *
   4  * citadel.c - Main source file.
   5  * $Id$
   6  */
   7
   8 #include "sysdep.h"
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <fcntl.h>
  12 #include <stdio.h>
  13 #include <ctype.h>
  14 #include <string.h>
  15 #include <time.h>
  16 #include <limits.h>
  17 #include <sys/types.h>
  18 #include <sys/wait.h>
  19 #include <sys/stat.h>
  20 #include <sys/ioctl.h>
  21 #include <signal.h>
  22 #include <pwd.h>
  23 #include <setjmp.h>
  24 #include <stdarg.h>
  25
  26 #include "citadel.h"
  27 #include "axdefs.h"
  28 #include "serv_info.h"
  29 #include "routines.h"
  30 #include "routines2.h"
  31 #include "rooms.h"
  32 #include "messages.h"
  33 #include "commands.h"
  34 #include "ipc.h"
  35 #include "client_chat.h"
  36 #include "client_icq.h"
  37 #include "citadel_decls.h"
  38 #include "tools.h"
  39 #ifndef HAVE_SNPRINTF
  40 #include "snprintf.h"
  41 #endif
  42
  43 struct march {
  44         struct march *next;
  45         char march_name[32];
  46         char march_floor;
  47         char march_order;
  48 };
  49
  50 #define IFEXPERT if (userflags&US_EXPERT)
  51 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  52 #define IFAIDE if (axlevel>=6)
  53 #define IFNAIDE if (axlevel<6)
  54
  55 struct march *march = NULL;
  56
  57 /* globals associated with the client program */
  58 char temp[PATH_MAX];            /* Name of general temp file */
  59 char temp2[PATH_MAX];           /* Name of general temp file */
  60 char tempdir[PATH_MAX];         /* Name of general temp dir */
  61 char editor_path[256];          /* path to external editor */
  62 char printcmd[256];             /* print command */
  63 int editor_pid = (-1);
  64 char fullname[32];
  65 jmp_buf nextbuf;
  66 struct CtdlServInfo serv_info;  /* Info on the server connected */
  67 int screenwidth;
  68 int screenheight;
  69 unsigned room_flags;
  70 char room_name[ROOMNAMELEN];
  71 char ugname[ROOMNAMELEN];
  72 long uglsn;                     /* holds <u>ngoto info */
  73 char is_mail = 0;               /* nonzero when we're in a mail room */
  74 char axlevel = 0;               /* access level */
  75 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
  76 int timescalled;
  77 int posted;
  78 unsigned userflags;
  79 long usernum = 0L;              /* user number */
  80 char newnow;
  81 long highest_msg_read;          /* used for <A>bandon room cmd */
  82 long maxmsgnum;                 /* used for <G>oto */
  83 char sigcaught = 0;
  84 char have_xterm = 0;            /* are we running on an xterm? */
  85 char rc_username[32];
  86 char rc_password[32];
  87 char rc_floor_mode;
  88 char floor_mode;
  89 char curr_floor = 0;            /* number of current floor */
  90 char floorlist[128][256];       /* names of floors */
  91 char express_msgs = 0;          /* express messages waiting! */
  92
  93 /*
  94  * here is our 'clean up gracefully and exit' routine
  95  */
  96 void logoff(int code)
  97 {
  98         if (editor_pid > 0) {   /* kill the editor if it's running */
  99                 kill(editor_pid, SIGHUP);
 100         }
 101 /* shut down the server... but not if the logoff code is 3, because
 102  * that means we're exiting because we already lost the server
 103  */
 104         if (code != 3)
 105                 serv_puts("QUIT");
 106
 107 /*
 108  * now clean up various things
 109  */
 110
 111         unlink(temp);
 112         unlink(temp2);
 113         nukedir(tempdir);
 114
 115         /* Violently kill off any child processes if Citadel is
 116          * the login shell.
 117          */
 118         if (getppid() == 1) {
 119                 kill(0 - getpgrp(), SIGTERM);
 120                 sleep(1);
 121                 kill(0 - getpgrp(), SIGKILL);
 122         }
 123         sttybbs(SB_RESTORE);    /* return the old terminal settings */
 124         exit(code);             /* exit with the proper exit code */
 125 }
 126
 127
 128
 129 /*
 130  * We handle "next" and "stop" much differently than in earlier versions.
 131  * The signal catching routine simply sets a flag and returns.
 132  */
 133 void sighandler(int which_sig)
 134 {
 135         signal(SIGINT, SIG_IGN);
 136         signal(SIGQUIT, SIG_IGN);
 137         sigcaught = which_sig;
 138         return;
 139 }
 140
 141
 142 /*
 143  * signal catching function for hangups...
 144  */
 145 void dropcarr(int signum)
 146 {
 147         logoff(SIGHUP);
 148 }
 149
 150
 151
 152 /*
 153  * catch SIGCONT to reset terminal modes when were are put back into the
 154  * foreground.
 155  */
 156 void catch_sigcont(int signum)
 157 {
 158         sttybbs(SB_LAST);
 159         signal(SIGCONT, catch_sigcont);
 160 }
 161
 162
 163
 164 /* general purpose routines */
 165
 166 void formout(char *name)
 167 {                               /* display a file */
 168         char cmd[256];
 169         snprintf(cmd, sizeof cmd, "MESG %s", name);
 170         serv_puts(cmd);
 171         serv_gets(cmd);
 172         if (cmd[0] != '1') {
 173                 printf("%s\n", &cmd[4]);
 174                 return;
 175         }
 176         fmout(screenwidth, NULL,
 177               ((userflags & US_PAGINATOR) ? 1 : 0),
 178               screenheight, 1, 1);
 179 }
 180
 181
 182 void userlist(char *patn)
 183 {
 184         char buf[256];
 185         char fl[256];
 186         struct tm *tmbuf;
 187         time_t lc;
 188         int linecount = 2;
 189
 190         serv_puts("LIST");
 191         serv_gets(buf);
 192         if (buf[0] != '1') {
 193                 printf("%s\n", &buf[4]);
 194                 return;
 195         }
 196         sigcaught = 0;
 197         sttybbs(SB_YES_INTR);
 198         printf("       User Name           Num  L  LastCall  Calls Posts\n");
 199         printf("------------------------- ----- - ---------- ----- -----\n");
 200         while (serv_gets(buf), strcmp(buf, "000")) {
 201                 if (sigcaught == 0) {
 202                     extract(fl, buf, 0);
 203                     if (pattern(fl, patn) >= 0) {
 204                         printf("%-25s ", fl);
 205                         printf("%5ld %d ", extract_long(buf, 2),
 206                                extract_int(buf, 1));
 207                         lc = extract_long(buf, 3);
 208                         tmbuf = (struct tm *) localtime(&lc);
 209                         printf("%02d/%02d/%04d ",
 210                                (tmbuf->tm_mon + 1),
 211                                tmbuf->tm_mday,
 212                                (tmbuf->tm_year + 1900));
 213                         printf("%5ld %5ld\n", extract_long(buf, 4), extract_long(buf, 5));
 214
 215                         ++linecount;
 216                         linecount = checkpagin(linecount,
 217                                     ((userflags & US_PAGINATOR) ? 1 : 0),
 218                                                screenheight);
 219                     }
 220
 221                 }
 222         }
 223         sttybbs(SB_NO_INTR);
 224         printf("\n");
 225 }
 226
 227
 228 /*
 229  * grab assorted info about the user...
 230  */
 231 void load_user_info(char *params)
 232 {
 233         extract(fullname, params, 0);
 234         axlevel = extract_int(params, 1);
 235         timescalled = extract_int(params, 2);
 236         posted = extract_int(params, 3);
 237         userflags = extract_int(params, 4);
 238         usernum = extract_long(params, 5);
 239 }
 240
 241
 242 /*
 243  * Remove a room from the march list.  'floornum' is ignored unless
 244  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 245  * floor will be removed from the march list.
 246  */
 247 void remove_march(char *roomname, int floornum)
 248 {
 249         struct march *mptr, *mptr2;
 250
 251         if (march == NULL)
 252                 return;
 253
 254         if ((!strucmp(march->march_name, roomname))
 255             || ((!strucmp(roomname, "_FLOOR_")) && (march->march_floor == floornum))) {
 256                 mptr = march->next;
 257                 free(march);
 258                 march = mptr;
 259                 return;
 260         }
 261         mptr2 = march;
 262         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 263
 264                 if ((!strucmp(mptr->march_name, roomname))
 265                     || ((!strucmp(roomname, "_FLOOR_"))
 266                         && (mptr->march_floor == floornum))) {
 267
 268                         mptr2->next = mptr->next;
 269                         free(mptr);
 270                         mptr = mptr2;
 271                 } else {
 272                         mptr2 = mptr;
 273                 }
 274         }
 275 }
 276
 277
 278 /*
 279  * Locate the room on the march list which we most want to go to.  Each room
 280  * is measured given a "weight" of preference based on various factors.
 281  */
 282 char *pop_march(int desired_floor)
 283 {
 284         static char TheRoom[ROOMNAMELEN];
 285         int TheFloor = 0;
 286         int TheOrder = 32767;
 287         int TheWeight = 0;
 288         int weight;
 289         struct march *mptr = NULL;
 290
 291         strcpy(TheRoom, "_BASEROOM_");
 292         if (march == NULL)
 293                 return (TheRoom);
 294
 295         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 296                 weight = 0;
 297                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 298                         weight = weight + 10000;
 299                 if (mptr->march_floor == desired_floor)
 300                         weight = weight + 5000;
 301
 302                 weight = weight + ((128 - (mptr->march_floor)) * 128);
 303                 weight = weight + (128 - (mptr->march_order));
 304
 305                 if (weight > TheWeight) {
 306                         TheWeight = weight;
 307                         strcpy(TheRoom, mptr->march_name);
 308                         TheFloor = mptr->march_floor;
 309                         TheOrder = mptr->march_order;
 310                 }
 311         }
 312         return (TheRoom);
 313 }
 314
 315
 316 /*
 317  * jump directly to a room
 318  */
 319 void dotgoto(char *towhere, int display_name)
 320 {
 321         char aaa[256], bbb[256], psearch[256];
 322         static long ls = 0L;
 323         int newmailcount;
 324         static int oldmailcount = (-1);
 325         int partial_match, best_match;
 326         char from_floor;
 327
 328         /* store ungoto information */
 329         strcpy(ugname, room_name);
 330         uglsn = ls;
 331
 332         /* first try an exact match */
 333         snprintf(aaa, sizeof aaa, "GOTO %s", towhere);
 334         serv_puts(aaa);
 335         serv_gets(aaa);
 336         if (aaa[3] == '*')
 337                 express_msgs = 1;
 338         if (!strncmp(aaa, "54", 2)) {
 339                 newprompt("Enter room password: ", bbb, 9);
 340                 snprintf(aaa, sizeof aaa, "GOTO %s|%s", towhere, bbb);
 341                 serv_puts(aaa);
 342                 serv_gets(aaa);
 343                 if (aaa[3] == '*')
 344                         express_msgs = 1;
 345         }
 346         if (!strncmp(aaa, "54", 2)) {
 347                 printf("Wrong password.\n");
 348                 return;
 349         }
 350         /*
 351          * If a match is not found, try a partial match.
 352          * Partial matches anywhere in the string carry a weight of 1,
 353          * left-aligned matches carry a weight of 2.  Pick the room that
 354          * has the highest-weighted match.
 355          */
 356         if (aaa[0] != '2') {
 357                 best_match = 0;
 358                 strcpy(bbb, "");
 359                 serv_puts("LKRA");
 360                 serv_gets(aaa);
 361                 if (aaa[0] == '1')
 362                         while (serv_gets(aaa), strcmp(aaa, "000")) {
 363                                 extract(psearch, aaa, 0);
 364                                 partial_match = 0;
 365                                 if (pattern(psearch, towhere) >= 0) {
 366                                         partial_match = 1;
 367                                 }
 368                                 if (!struncmp(towhere, psearch, strlen(towhere))) {
 369                                         partial_match = 2;
 370                                 }
 371                                 if (partial_match > best_match) {
 372                                         strcpy(bbb, psearch);
 373                                         best_match = partial_match;
 374                                 }
 375                         }
 376                 if (strlen(bbb) == 0) {
 377                         printf("No room '%s'.\n", towhere);
 378                         return;
 379                 }
 380                 snprintf(aaa, sizeof aaa, "GOTO %s", bbb);
 381                 serv_puts(aaa);
 382                 serv_gets(aaa);
 383                 if (aaa[3] == '*')
 384                         express_msgs = 1;
 385         }
 386         if (aaa[0] != '2') {
 387                 printf("%s\n", aaa);
 388                 return;
 389         }
 390         extract(room_name, &aaa[4], 0);
 391         room_flags = extract_int(&aaa[4], 4);
 392         from_floor = curr_floor;
 393         curr_floor = extract_int(&aaa[4], 10);
 394
 395         remove_march(room_name, 0);
 396         if (!strucmp(towhere, "_BASEROOM_"))
 397                 remove_march(towhere, 0);
 398         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 399                 if (floorlist[(int) curr_floor][0] == 0)
 400                         load_floorlist();
 401                 printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 402         }
 403         if (display_name == 1) {
 404                 color(BRIGHT_WHITE);
 405                 printf("%s ", room_name);
 406                 color(DIM_WHITE);
 407                 printf("- ");
 408         }
 409         if (display_name != 2) {
 410                 color(BRIGHT_YELLOW);
 411                 printf("%d ", extract_int(&aaa[4], 1));
 412                 color(DIM_WHITE);
 413                 printf("new of ");
 414                 color(BRIGHT_YELLOW);
 415                 printf("%d ", extract_int(&aaa[4], 2));
 416                 color(DIM_WHITE);
 417                 printf("messages.\n");
 418         }
 419         highest_msg_read = extract_int(&aaa[4], 6);
 420         maxmsgnum = extract_int(&aaa[4], 5);
 421         is_mail = (char) extract_int(&aaa[4], 7);
 422         is_room_aide = (char) extract_int(&aaa[4], 8);
 423         ls = extract_long(&aaa[4], 6);
 424
 425         /* read info file if necessary */
 426         if (extract_int(&aaa[4], 3) > 0)
 427                 readinfo();
 428
 429         /* check for newly arrived mail if we can */
 430         if (num_parms(&aaa[4]) >= 10) {
 431                 newmailcount = extract_int(&aaa[4], 9);
 432                 if ((oldmailcount >= 0) && (newmailcount > oldmailcount)) {
 433                         color(BRIGHT_RED);
 434                         printf("*** You have new mail\n");
 435                         color(DIM_WHITE);
 436                 }
 437                 oldmailcount = newmailcount;
 438         }
 439 }
 440
 441 /* Goto next room having unread messages.
 442  * We want to skip over rooms that the user has already been to, and take the
 443  * user back to the lobby when done.  The room we end up in is placed in
 444  * newroom - which is set to 0 (the lobby) initially.
 445  */
 446 void gotonext(void)
 447 {
 448         char buf[256];
 449         struct march *mptr, *mptr2;
 450         char next_room[32];
 451
 452         /* Check to see if the march-mode list is already allocated.
 453          * If it is, pop the first room off the list and go there.
 454          */
 455         if (march == NULL) {
 456                 serv_puts("LKRN");
 457                 serv_gets(buf);
 458                 if (buf[0] == '1')
 459                         while (serv_gets(buf), strcmp(buf, "000")) {
 460                                 mptr = (struct march *) malloc(sizeof(struct march));
 461                                 mptr->next = NULL;
 462                                 extract(mptr->march_name, buf, 0);
 463                                 mptr->march_floor = (char) (extract_int(buf, 2) & 0x7F);
 464                                 mptr->march_order = (char) (extract_int(buf, 3) & 0x7F);
 465                                 if (march == NULL) {
 466                                         march = mptr;
 467                                 } else {
 468                                         mptr2 = march;
 469                                         while (mptr2->next != NULL)
 470                                                 mptr2 = mptr2->next;
 471                                         mptr2->next = mptr;
 472                                 }
 473                         }
 474 /* add _BASEROOM_ to the end of the march list, so the user will end up
 475  * in the system base room (usually the Lobby>) at the end of the loop
 476  */
 477                 mptr = (struct march *) malloc(sizeof(struct march));
 478                 mptr->next = NULL;
 479                 strcpy(mptr->march_name, "_BASEROOM_");
 480                 if (march == NULL) {
 481                         march = mptr;
 482                 } else {
 483                         mptr2 = march;
 484                         while (mptr2->next != NULL)
 485                                 mptr2 = mptr2->next;
 486                         mptr2->next = mptr;
 487                 }
 488 /*
 489  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 490  * walk around in circles
 491  */
 492                 remove_march(room_name, 0);
 493         }
 494         if (march != NULL) {
 495                 strcpy(next_room, pop_march(curr_floor));
 496         } else {
 497                 strcpy(next_room, "_BASEROOM_");
 498         }
 499         remove_march(next_room, 0);
 500         dotgoto(next_room, 1);
 501 }
 502
 503 /*
 504  * forget all rooms on a given floor
 505  */
 506 void forget_all_rooms_on(int ffloor)
 507 {
 508         char buf[256];
 509         struct march *flist, *fptr;
 510
 511         printf("Forgetting all rooms on %s...\r", &floorlist[ffloor][0]);
 512         fflush(stdout);
 513         snprintf(buf, sizeof buf, "LKRA %d", ffloor);
 514         serv_puts(buf);
 515         serv_gets(buf);
 516         if (buf[0] != '1') {
 517                 printf("%-72s\n", &buf[4]);
 518                 return;
 519         }
 520         flist = NULL;
 521         while (serv_gets(buf), strcmp(buf, "000")) {
 522                 fptr = (struct march *) malloc(sizeof(struct march));
 523                 fptr->next = flist;
 524                 flist = fptr;
 525                 extract(fptr->march_name, buf, 0);
 526         }
 527         while (flist != NULL) {
 528                 snprintf(buf, sizeof buf, "GOTO %s", flist->march_name);
 529                 serv_puts(buf);
 530                 serv_gets(buf);
 531                 if (buf[0] == '2') {
 532                         serv_puts("FORG");
 533                         serv_gets(buf);
 534                 }
 535                 fptr = flist;
 536                 flist = flist->next;
 537                 free(fptr);
 538         }
 539         printf("%-72s\r", "");
 540 }
 541
 542
 543 /*
 544  * routine called by gotofloor() to move to a new room on a new floor
 545  */
 546 void gf_toroom(char *towhere, int mode)
 547 {
 548         int floor_being_left;
 549
 550         floor_being_left = curr_floor;
 551
 552         if (mode == GF_GOTO) {  /* <;G>oto mode */
 553                 updatels();
 554                 dotgoto(towhere, 1);
 555         }
 556         if (mode == GF_SKIP) {  /* <;S>kip mode */
 557                 dotgoto(towhere, 1);
 558                 remove_march("_FLOOR_", floor_being_left);
 559         }
 560         if (mode == GF_ZAP) {   /* <;Z>ap mode */
 561                 dotgoto(towhere, 1);
 562                 remove_march("_FLOOR_", floor_being_left);
 563                 forget_all_rooms_on(floor_being_left);
 564         }
 565 }
 566
 567
 568 /*
 569  * go to a new floor
 570  */
 571 void gotofloor(char *towhere, int mode)
 572 {
 573         int a, tofloor;
 574         struct march *mptr;
 575         char buf[256], targ[256];
 576
 577         if (floorlist[0][0] == 0)
 578                 load_floorlist();
 579         tofloor = (-1);
 580         for (a = 0; a < 128; ++a)
 581                 if (!strucmp(&floorlist[a][0], towhere))
 582                         tofloor = a;
 583
 584         if (tofloor < 0) {
 585                 for (a = 0; a < 128; ++a) {
 586                         if (!struncmp(&floorlist[a][0], towhere, strlen(towhere))) {
 587                                 tofloor = a;
 588                         }
 589                 }
 590         }
 591         if (tofloor < 0) {
 592                 for (a = 0; a < 128; ++a)
 593                         if (pattern(towhere, &floorlist[a][0]) > 0)
 594                                 tofloor = a;
 595         }
 596         if (tofloor < 0) {
 597                 printf("No floor '%s'.\n", towhere);
 598                 return;
 599         }
 600         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 601                 if ((mptr->march_floor) == tofloor)
 602                         gf_toroom(mptr->march_name, mode);
 603                 return;
 604         }
 605
 606         strcpy(targ, "");
 607         snprintf(buf, sizeof buf, "LKRA %d", tofloor);
 608         serv_puts(buf);
 609         serv_gets(buf);
 610         if (buf[0] == '1')
 611                 while (serv_gets(buf), strcmp(buf, "000")) {
 612                         if ((extract_int(buf, 2) == tofloor) && (strlen(targ) == 0))
 613                                 extract(targ, buf, 0);
 614                 }
 615         if (strlen(targ) > 0) {
 616                 gf_toroom(targ, mode);
 617         } else {
 618                 printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 619         }
 620 }
 621
 622
 623 /*
 624  * forget all rooms on current floor
 625  */
 626 void forget_this_floor(void)
 627 {
 628
 629         if (curr_floor == 0) {
 630                 printf("Can't forget this floor.\n");
 631                 return;
 632         }
 633         if (floorlist[0][0] == 0)
 634                 load_floorlist();
 635         printf("Are you sure you want to forget all rooms on %s? ",
 636                &floorlist[(int) curr_floor][0]);
 637         if (yesno() == 0)
 638                 return;
 639
 640         gf_toroom("_BASEROOM_", GF_ZAP);
 641 }
 642
 643
 644 /*
 645  * Figure out the physical screen dimensions, if we can
 646  */
 647 void check_screen_dims(void)
 648 {
 649 #ifdef TIOCGWINSZ
 650         struct {
 651                 unsigned short height;  /* rows */
 652                 unsigned short width;   /* columns */
 653                 unsigned short xpixels;
 654                 unsigned short ypixels;         /* pixels */
 655         } xwinsz;
 656
 657         if (have_xterm) {       /* dynamically size screen if on an xterm */
 658                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
 659                         if (xwinsz.height)
 660                                 screenheight = (int) xwinsz.height;
 661                         if (xwinsz.width)
 662                                 screenwidth = (int) xwinsz.width;
 663                 }
 664         }
 665 #endif
 666 }
 667
 668
 669 /*
 670  * set floor mode depending on client, server, and user settings
 671  */
 672 void set_floor_mode(void)
 673 {
 674         if (serv_info.serv_ok_floors == 0) {
 675                 floor_mode = 0; /* Don't use floors if the server */
 676         }
 677         /* doesn't support them!          */
 678         else {
 679                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 680                         floor_mode = 0;
 681                 }
 682                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 683                         floor_mode = 1;
 684                 }
 685                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 686                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 687                 }
 688         }
 689 }
 690
 691 /*
 692  * Set or change the user's password
 693  */
 694 int set_password(void)
 695 {
 696         char pass1[20];
 697         char pass2[20];
 698         char buf[256];
 699
 700         if (strlen(rc_password) > 0) {
 701                 strcpy(pass1, rc_password);
 702                 strcpy(pass2, rc_password);
 703         } else {
 704                 IFNEXPERT formout("changepw");
 705                 newprompt("Enter a new password: ", pass1, -19);
 706                 newprompt("Enter it again to confirm: ", pass2, -19);
 707         }
 708         strproc(pass1);
 709         strproc(pass2);
 710         if (!strucmp(pass1, pass2)) {
 711                 snprintf(buf, sizeof buf, "SETP %s", pass1);
 712                 serv_puts(buf);
 713                 serv_gets(buf);
 714                 printf("%s\n", &buf[4]);
 715                 return (0);
 716         } else {
 717                 printf("*** They don't match... try again.\n");
 718                 return (1);
 719         }
 720 }
 721
 722
 723
 724 /*
 725  * get info about the server we've connected to
 726  */
 727 void get_serv_info(void)
 728 {
 729         char buf[512];
 730
 731         CtdlInternalGetServInfo(&serv_info);
 732
 733         /* be nice and identify ourself to the server */
 734         snprintf(buf, sizeof buf, "IDEN %d|%d|%d|%s|",
 735                  SERVER_TYPE, 0, REV_LEVEL,
 736                  (server_is_local ? "local" : CITADEL));
 737         locate_host(&buf[strlen(buf)]);         /* append to the end */
 738         serv_puts(buf);
 739         serv_gets(buf);         /* we don't care about the result code */
 740 }
 741
 742
 743
 744
 745
 746 /*
 747  * Display list of users currently logged on to the server
 748  */
 749 void who_is_online(int longlist)
 750 {
 751         char buf[128], username[128], roomname[128], fromhost[128],
 752          flags[128];
 753         char tbuf[128], clientsoft[128];
 754         time_t timenow = 0;
 755         time_t idletime, idlehours, idlemins, idlesecs;
 756         int last_session = (-1);
 757         int linecount = 2;
 758
 759         if (longlist) {
 760                 serv_puts("TIME");
 761                 serv_gets(tbuf);
 762                 if (tbuf[0] == '2') {
 763                         timenow = extract_long(&tbuf[4], 0);
 764                 } else {
 765                         time(&timenow);
 766                 }
 767         } else {
 768                 color(BRIGHT_WHITE);
 769                 printf("FLG ###        User Name                 Room                 From host\n");
 770                 color(DIM_WHITE);
 771                 printf("--- --- ------------------------- -------------------- ------------------------\n");
 772         }
 773         serv_puts("RWHO");
 774         serv_gets(buf);
 775         if (buf[0] == '1') {
 776                 while (serv_gets(buf), strcmp(buf, "000")) {
 777                         extract(username, buf, 1);
 778                         extract(roomname, buf, 2);
 779                         extract(fromhost, buf, 3);
 780                         extract(clientsoft, buf, 4);
 781                         extract(flags, buf, 7);
 782
 783                         if (longlist) {
 784                                 idletime = timenow - extract_long(buf, 5);
 785                                 idlehours = idletime / 3600;
 786                                 idlemins = (idletime - (idlehours * 3600)) / 60;
 787                                 idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
 788                                 printf("\nFlags: %-3s  Sess# %-3d  Name: %-25s  Room: %s\n",
 789                                        flags, extract_int(buf, 0), username, roomname);
 790                                 printf("from <%s> using <%s>, idle %ld:%02ld:%02ld\n",
 791                                        fromhost, clientsoft,
 792                                        (long) idlehours, (long) idlemins, (long) idlesecs);
 793
 794                                 linecount += 3;
 795                         } else {
 796                                 if (extract_int(buf, 0) == last_session) {
 797                                         printf("        ");
 798                                 } else {
 799                                         color(BRIGHT_MAGENTA);
 800                                         printf("%-3s ", flags);
 801                                         color(DIM_WHITE);
 802                                         printf("%-3d ", extract_int(buf, 0));
 803                                 }
 804                                 last_session = extract_int(buf, 0);
 805                                 color(BRIGHT_CYAN);
 806                                 printf("%-25s ", username);
 807                                 color(BRIGHT_MAGENTA);
 808                                 roomname[20] = 0;
 809                                 printf("%-20s ", roomname);
 810                                 color(BRIGHT_CYAN);
 811                                 printf("%-24s\n", fromhost);
 812                                 color(DIM_WHITE);
 813                                 ++linecount;
 814                         }
 815                         linecount = checkpagin(linecount,
 816                                     ((userflags & US_PAGINATOR) ? 1 : 0),
 817                                                screenheight);
 818                 }
 819         }
 820 }
 821
 822 void enternew(char *desc, char *buf, int maxlen)
 823 {
 824         char bbb[128];
 825         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 826         newprompt(bbb, buf, maxlen);
 827 }
 828
 829 /*
 830  * main
 831  */
 832 int main(int argc, char **argv)
 833 {
 834         int a, b, mcmd;
 835         char aaa[100], bbb[100], eee[100];      /* general purpose variables */
 836         char argbuf[32];        /* command line buf */
 837         volatile int termn8 = 0;
 838
 839
 840         sttybbs(SB_SAVE);       /* Store the old terminal parameters */
 841         load_command_set();     /* parse the citadel.rc file */
 842         sttybbs(SB_NO_INTR);    /* Install the new ones */
 843         signal(SIGINT, SIG_IGN);
 844         signal(SIGQUIT, SIG_IGN);
 845         signal(SIGHUP, dropcarr);       /* Cleanup gracefully if carrier is dropped */
 846         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
 847         signal(SIGCONT, catch_sigcont);         /* Catch SIGCONT so we can reset terminal */
 848
 849         printf("Attaching to server...\r");
 850         fflush(stdout);
 851         attach_to_server(argc, argv);
 852
 853         send_ansi_detect();
 854
 855         serv_gets(aaa);
 856         if (aaa[0] != '2') {
 857                 printf("%s\n", &aaa[4]);
 858                 logoff(atoi(aaa));
 859         }
 860         get_serv_info();
 861
 862         look_for_ansi();
 863         cls(0);
 864         color(7);
 865
 866         printf("%-22s\n%s\n%s\n", serv_info.serv_software, serv_info.serv_humannode,
 867                serv_info.serv_bbs_city);
 868         screenwidth = 80;       /* default screen dimensions */
 869         screenheight = 24;
 870
 871         printf(" pause    next    stop\n");
 872         printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
 873         formout("hello");       /* print the opening greeting */
 874         printf("\n");
 875
 876 GSTA:   termn8 = 0;
 877         newnow = 0;
 878         do {
 879                 if (strlen(rc_username) > 0) {
 880                         strcpy(fullname, rc_username);
 881                 } else {
 882                         newprompt("Enter your name: ", fullname, 29);
 883                 }
 884                 strproc(fullname);
 885                 if (!strucmp(fullname, "new")) {        /* just in case */
 886                         printf("Please enter the name you wish to log in with.\n");
 887                 }
 888         } while (
 889                         (!strucmp(fullname, "bbs"))
 890                         || (!strucmp(fullname, "new"))
 891                         || (strlen(fullname) == 0));
 892
 893         if (!strucmp(fullname, "off")) {
 894                 mcmd = 29;
 895                 goto TERMN8;
 896         }
 897         /* sign on to the server */
 898         snprintf(aaa, sizeof aaa, "USER %s", fullname);
 899         serv_puts(aaa);
 900         serv_gets(aaa);
 901         if (aaa[0] != '3')
 902                 goto NEWUSR;
 903
 904         /* password authentication */
 905         if (strlen(rc_password) > 0) {
 906                 strcpy(eee, rc_password);
 907         } else {
 908                 newprompt("\rPlease enter your password: ", eee, -19);
 909         }
 910         strproc(eee);
 911         snprintf(aaa, sizeof aaa, "PASS %s", eee);
 912         serv_puts(aaa);
 913         serv_gets(aaa);
 914         if (aaa[0] == '2') {
 915                 load_user_info(&aaa[4]);
 916                 goto PWOK;
 917         }
 918         printf("<< wrong password >>\n");
 919         if (strlen(rc_password) > 0)
 920                 logoff(0);
 921         goto GSTA;
 922
 923       NEWUSR:if (strlen(rc_password) == 0) {
 924                 printf("No record. Enter as new user? ");
 925                 if (yesno() == 0)
 926                         goto GSTA;
 927         }
 928         snprintf(aaa, sizeof aaa, "NEWU %s", fullname);
 929         serv_puts(aaa);
 930         serv_gets(aaa);
 931         if (aaa[0] != '2') {
 932                 printf("%s\n", aaa);
 933                 goto GSTA;
 934         }
 935         load_user_info(&aaa[4]);
 936
 937         while (set_password() != 0);;
 938         newnow = 1;
 939
 940         enter_config(1);
 941
 942
 943       PWOK:printf("%s\nAccess level: %d (%s)\nUser #%ld / Call #%d\n",
 944                fullname, axlevel, axdefs[(int) axlevel],
 945                usernum, timescalled);
 946
 947         serv_puts("CHEK");
 948         serv_gets(aaa);
 949         if (aaa[0] == '2') {
 950                 b = extract_int(&aaa[4], 0);
 951                 if (b > 0) {
 952                         color(BRIGHT_RED);
 953                         if (b == 1)
 954                                 printf("*** You have a new private message in Mail>\n");
 955                         if (b > 1)
 956                                 printf("*** You have %d new private messages in Mail>\n", b);
 957                         color(DIM_WHITE);
 958                 }
 959                 if ((axlevel >= 6) && (extract_int(&aaa[4], 2) > 0)) {
 960                         printf("*** Users need validation\n");
 961                 }
 962                 if (extract_int(&aaa[4], 1) > 0) {
 963                         printf("*** Please register.\n");
 964                         formout("register");
 965                         entregis();
 966                 }
 967         }
 968         /* Make up some temporary filenames for use in various parts of the
 969          * program.  Don't mess with these once they've been set, because we
 970          * will be unlinking them later on in the program and we don't
 971          * want to delete something that we didn't create. */
 972         snprintf(temp, sizeof temp, tmpnam(NULL));
 973         snprintf(temp2, sizeof temp2, tmpnam(NULL));
 974         snprintf(tempdir, sizeof tempdir, tmpnam(NULL));
 975
 976         /* Get screen dimensions.  First we go to a default of 80x24.  Then
 977          * we try to get the user's actual screen dimensions off the server.
 978          * However, if we're running on an xterm, all this stuff is
 979          * irrelevant because we're going to dynamically size the screen
 980          * during the session.
 981          */
 982         screenwidth = 80;
 983         screenheight = 24;
 984         serv_puts("GETU");
 985         serv_gets(aaa);
 986         if (aaa[0] == '2') {
 987                 screenwidth = extract_int(&aaa[4], 0);
 988                 screenheight = extract_int(&aaa[4], 1);
 989         }
 990         if (getenv("TERM") != NULL)
 991                 if (!strcmp(getenv("TERM"), "xterm")) {
 992                         have_xterm = 1;
 993                 }
 994 #ifdef TIOCGWINSZ
 995         check_screen_dims();
 996 #endif
 997
 998         set_floor_mode();
 999
1000
1001         /* Enter the lobby */
1002         dotgoto("_BASEROOM_", 1);
1003
1004 /* Main loop for the system... user is logged in. */
1005         strcpy(ugname, "");
1006         uglsn = 0L;
1007
1008         if (newnow == 1)
1009                 readmsgs(3, 1, 5);
1010         else
1011                 readmsgs(1, 1, 0);
1012
1013         do {                    /* MAIN LOOP OF PROGRAM */
1014
1015                 signal(SIGINT, SIG_IGN);
1016                 signal(SIGQUIT, SIG_IGN);
1017                 mcmd = getcmd(argbuf);
1018
1019 #ifdef TIOCGWINSZ
1020                 check_screen_dims();
1021 #endif
1022
1023                 if (termn8 == 0)
1024                         switch (mcmd) {
1025                         case 1:
1026                                 formout("help");
1027                                 break;
1028                         case 4:
1029                                 entmsg(0, 0);
1030                                 break;
1031                         case 36:
1032                                 entmsg(0, 1);
1033                                 break;
1034                         case 46:
1035                                 entmsg(0, 2);
1036                                 break;
1037                         case 78:
1038                                 newprompt("What do you want your username to be? ", aaa, 32);
1039                                 snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1040                                 serv_puts(bbb);
1041                                 serv_gets(aaa);
1042                                 if (strncmp("200", aaa, 3))
1043                                         printf("\n%s\n", aaa);
1044                                 else
1045                                         entmsg(0, 0);
1046                                 break;
1047                         case 5:
1048                                 updatels();
1049                                 gotonext();
1050                                 break;
1051                         case 47:
1052                                 updatelsa();
1053                                 gotonext();
1054                                 break;
1055                         case 58:
1056                                 updatelsa();
1057                                 dotgoto("_MAIL_", 1);
1058                                 break;
1059                         case 20:
1060                                 updatels();
1061                         case 52:
1062                                 dotgoto(argbuf, 0);
1063                                 break;
1064                         case 10:
1065                                 readmsgs(0, 1, 0);
1066                                 break;
1067                         case 9:
1068                                 readmsgs(3, 1, 5);
1069                                 break;
1070                         case 13:
1071                                 readmsgs(1, 1, 0);
1072                                 break;
1073                         case 11:
1074                                 readmsgs(0, (-1), 0);
1075                                 break;
1076                         case 12:
1077                                 readmsgs(2, (-1), 0);
1078                                 break;
1079                         case 71:
1080                                 readmsgs(3, 1, atoi(argbuf));
1081                                 break;
1082                         case 7:
1083                                 forget();
1084                                 break;
1085                         case 18:
1086                                 subshell();
1087                                 break;
1088                         case 38:
1089                                 updatels();
1090                                 entroom();
1091                                 break;
1092                         case 22:
1093                                 killroom();
1094                                 break;
1095                         case 32:
1096                                 userlist(argbuf);
1097                                 break;
1098                         case 27:
1099                                 invite();
1100                                 break;
1101                         case 28:
1102                                 kickout();
1103                                 break;
1104                         case 23:
1105                                 editthisroom();
1106                                 break;
1107                         case 14:
1108                                 roomdir();
1109                                 break;
1110                         case 33:
1111                                 download(0);
1112                                 break;
1113                         case 34:
1114                                 download(1);
1115                                 break;
1116                         case 31:
1117                                 download(2);
1118                                 break;
1119                         case 43:
1120                                 download(3);
1121                                 break;
1122                         case 45:
1123                                 download(4);
1124                                 break;
1125                         case 55:
1126                                 download(5);
1127                                 break;
1128                         case 39:
1129                                 upload(0);
1130                                 break;
1131                         case 40:
1132                                 upload(1);
1133                                 break;
1134                         case 42:
1135                                 upload(2);
1136                                 break;
1137                         case 44:
1138                                 upload(3);
1139                                 break;
1140                         case 57:
1141                                 cli_upload();
1142                                 break;
1143                         case 16:
1144                                 ungoto();
1145                                 break;
1146                         case 24:
1147                                 whoknows();
1148                                 break;
1149                         case 26:
1150                                 validate();
1151                                 break;
1152                         case 29:
1153                                 updatels();
1154                                 termn8 = 1;
1155                                 break;
1156                         case 30:
1157                                 updatels();
1158                                 termn8 = 1;
1159                                 break;
1160                         case 48:
1161                                 enterinfo();
1162                                 break;
1163                         case 49:
1164                                 readinfo();
1165                                 break;
1166                         case 72:
1167                                 cli_image_upload("_userpic_");
1168                                 break;
1169                         case 73:
1170                                 cli_image_upload("_roompic_");
1171                                 break;
1172
1173                         case 74:
1174                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1175                                 cli_image_upload(aaa);
1176                                 break;
1177
1178                         case 75:
1179                                 enternew("roomname", aaa, 20);
1180                                 snprintf(bbb, sizeof bbb, "RCHG %s", aaa);
1181                                 serv_puts(bbb);
1182                                 serv_gets(aaa);
1183                                 if (strncmp("200", aaa, 3))
1184                                         printf("\n%s\n", aaa);
1185                                 break;
1186                         case 76:
1187                                 enternew("hostname", aaa, 25);
1188                                 snprintf(bbb, sizeof bbb, "HCHG %s", aaa);
1189                                 serv_puts(bbb);
1190                                 serv_gets(aaa);
1191                                 if (strncmp("200", aaa, 3))
1192                                         printf("\n%s\n", aaa);
1193                                 break;
1194                         case 77:
1195                                 enternew("username", aaa, 32);
1196                                 snprintf(bbb, sizeof bbb, "UCHG %s", aaa);
1197                                 serv_puts(bbb);
1198                                 serv_gets(aaa);
1199                                 if (strncmp("200", aaa, 3))
1200                                         printf("\n%s\n", aaa);
1201                                 break;
1202
1203                         case 35:
1204                                 set_password();
1205                                 break;
1206
1207                         case 21:
1208                                 if (argbuf[0] == 0)
1209                                         strcpy(aaa, "?");
1210                                 display_help(argbuf);
1211                                 break;
1212
1213                         case 41:
1214                                 formout("register");
1215                                 entregis();
1216                                 break;
1217
1218                         case 15:
1219                                 printf("Are you sure (y/n)? ");
1220                                 if (yesno() == 1) {
1221                                         updatels();
1222                                         a = 0;
1223                                         termn8 = 1;
1224                                 }
1225                                 break;
1226
1227                         case 6:
1228                                 gotonext();
1229                                 break;
1230
1231                         case 3:
1232                                 chatmode();
1233                                 break;
1234
1235                         case 2:
1236                                 if (server_is_local) {
1237                                         sttybbs(SB_RESTORE);
1238                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
1239                                                  "exec ./subsystem %ld %d %d", fullname,
1240                                           usernum, screenwidth, axlevel);
1241                                         ka_system(aaa);
1242                                         sttybbs(SB_NO_INTR);
1243                                 } else {
1244                                         printf("*** Can't run doors when server is not local.\n");
1245                                 }
1246                                 break;
1247
1248                         case 17:
1249                                 who_is_online(0);
1250                                 break;
1251
1252                         case 79:
1253                                 who_is_online(1);
1254                                 break;
1255
1256                         case 80:
1257                                 do_system_configuration();
1258                                 break;
1259
1260                         case 82:
1261                                 do_internet_configuration();
1262                                 break;
1263
1264                         case 83:
1265                                 check_message_base();
1266                                 break;
1267
1268                         case 84:
1269                                 quiet_mode();
1270                                 break;
1271
1272                         case 50:
1273                                 enter_config(2);
1274                                 break;
1275
1276                         case 37:
1277                                 enter_config(0);
1278                                 set_floor_mode();
1279                                 break;
1280
1281                         case 59:
1282                                 enter_config(3);
1283                                 set_floor_mode();
1284                                 break;
1285
1286                         case 60:
1287                                 gotofloor(argbuf, GF_GOTO);
1288                                 break;
1289
1290                         case 61:
1291                                 gotofloor(argbuf, GF_SKIP);
1292                                 break;
1293
1294                         case 62:
1295                                 forget_this_floor();
1296                                 break;
1297
1298                         case 63:
1299                                 create_floor();
1300                                 break;
1301
1302                         case 64:
1303                                 edit_floor();
1304                                 break;
1305
1306                         case 65:
1307                                 kill_floor();
1308                                 break;
1309
1310                         case 66:
1311                                 enter_bio();
1312                                 break;
1313
1314                         case 67:
1315                                 read_bio();
1316                                 break;
1317
1318                         case 25:
1319                                 edituser();
1320                                 break;
1321
1322                         case 8:
1323                                 knrooms(floor_mode);
1324                                 printf("\n");
1325                                 break;
1326
1327                         case 68:
1328                                 knrooms(2);
1329                                 printf("\n");
1330                                 break;
1331
1332                         case 69:
1333                                 misc_server_cmd(argbuf);
1334                                 break;
1335
1336                         case 70:
1337                                 edit_system_message(argbuf);
1338                                 break;
1339
1340                         case 19:
1341                                 listzrooms();
1342                                 printf("\n");
1343                                 break;
1344
1345                         case 51:
1346                                 deletefile();
1347                                 break;
1348
1349                         case 53:
1350                                 netsendfile();
1351                                 break;
1352
1353                         case 54:
1354                                 movefile();
1355                                 break;
1356
1357                         case 56:
1358                                 page_user();
1359                                 break;
1360
1361                         case 81:
1362                                 setup_icq();
1363                                 break;
1364
1365                         }       /* end switch */
1366         } while (termn8 == 0);
1367
1368       TERMN8:printf("%s logged out.\n", fullname);
1369         while (march != NULL)
1370                 remove_march(march->march_name, 0);
1371         if (mcmd == 30)
1372                 printf("\n\nType 'off' to hang up, or next user...\n");
1373         snprintf(aaa, sizeof aaa, "LOUT");
1374         serv_puts(aaa);
1375         serv_gets(aaa);
1376         if ((mcmd == 29) || (mcmd == 15)) {
1377                 formout("goodbye");
1378                 logoff(0);
1379         }
1380         goto GSTA;
1381
1382 }                               /* end main() */