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 jmp_buf jmp_reconnect;          /* for server reconnects */
  94 char re_username[32];
  95 char re_password[32];
  96
  97 void sigpipehandler(int nothing)
  98 {
  99         longjmp(jmp_reconnect, nothing);
 100 }
 101
 102 /*
 103  * here is our 'clean up gracefully and exit' routine
 104  */
 105 void logoff(int code)
 106 {
 107         if (editor_pid > 0) {   /* kill the editor if it's running */
 108                 kill(editor_pid, SIGHUP);
 109         }
 110 /* shut down the server... but not if the logoff code is 3, because
 111  * that means we're exiting because we already lost the server
 112  */
 113         if (code != 3)
 114                 serv_puts("QUIT");
 115
 116 /*
 117  * now clean up various things
 118  */
 119
 120         unlink(temp);
 121         unlink(temp2);
 122         nukedir(tempdir);
 123
 124         /* Violently kill off any child processes if Citadel is
 125          * the login shell.
 126          */
 127         if (getppid() == 1) {
 128                 kill(0 - getpgrp(), SIGTERM);
 129                 sleep(1);
 130                 kill(0 - getpgrp(), SIGKILL);
 131         }
 132         sttybbs(SB_RESTORE);    /* return the old terminal settings */
 133         exit(code);             /* exit with the proper exit code */
 134 }
 135
 136
 137
 138 /*
 139  * We handle "next" and "stop" much differently than in earlier versions.
 140  * The signal catching routine simply sets a flag and returns.
 141  */
 142 void sighandler(int which_sig)
 143 {
 144         signal(SIGINT, SIG_IGN);
 145         signal(SIGQUIT, SIG_IGN);
 146         sigcaught = which_sig;
 147         return;
 148 }
 149
 150
 151 /*
 152  * signal catching function for hangups...
 153  */
 154 void dropcarr(int signum)
 155 {
 156         logoff(SIGHUP);
 157 }
 158
 159
 160
 161 /*
 162  * catch SIGCONT to reset terminal modes when were are put back into the
 163  * foreground.
 164  */
 165 void catch_sigcont(int signum)
 166 {
 167         sttybbs(SB_LAST);
 168         signal(SIGCONT, catch_sigcont);
 169 }
 170
 171
 172
 173 /* general purpose routines */
 174
 175 void formout(char *name)
 176 {                               /* display a file */
 177         char cmd[256];
 178         snprintf(cmd, sizeof cmd, "MESG %s", name);
 179         serv_puts(cmd);
 180         serv_gets(cmd);
 181         if (cmd[0] != '1') {
 182                 printf("%s\n", &cmd[4]);
 183                 return;
 184         }
 185         fmout(screenwidth, NULL,
 186               ((userflags & US_PAGINATOR) ? 1 : 0),
 187               screenheight, 1, 1);
 188 }
 189
 190
 191 void userlist(void)
 192 {
 193         char buf[256];
 194         char fl[256];
 195         struct tm *tmbuf;
 196         time_t lc;
 197         int linecount = 2;
 198
 199         serv_puts("LIST");
 200         serv_gets(buf);
 201         if (buf[0] != '1') {
 202                 printf("%s\n", &buf[4]);
 203                 return;
 204         }
 205         sigcaught = 0;
 206         sttybbs(SB_YES_INTR);
 207         printf("       User Name           Num  L  LastCall  Calls Posts\n");
 208         printf("------------------------- ----- - ---------- ----- -----\n");
 209         while (serv_gets(buf), strcmp(buf, "000")) {
 210                 if (sigcaught == 0) {
 211                         extract(fl, buf, 0);
 212                         printf("%-25s ", fl);
 213                         printf("%5ld %d ", extract_long(buf, 2),
 214                                extract_int(buf, 1));
 215                         lc = extract_long(buf, 3);
 216                         tmbuf = (struct tm *) localtime(&lc);
 217                         printf("%02d/%02d/%04d ",
 218                                (tmbuf->tm_mon + 1),
 219                                tmbuf->tm_mday,
 220                                (tmbuf->tm_year + 1900));
 221                         printf("%5ld %5ld\n", extract_long(buf, 4), extract_long(buf, 5));
 222
 223                         ++linecount;
 224                         linecount = checkpagin(linecount,
 225                                     ((userflags & US_PAGINATOR) ? 1 : 0),
 226                                                screenheight);
 227
 228                 }
 229         }
 230         sttybbs(SB_NO_INTR);
 231         printf("\n");
 232 }
 233
 234
 235 /*
 236  * grab assorted info about the user...
 237  */
 238 void load_user_info(char *params)
 239 {
 240         extract(fullname, params, 0);
 241         axlevel = extract_int(params, 1);
 242         timescalled = extract_int(params, 2);
 243         posted = extract_int(params, 3);
 244         userflags = extract_int(params, 4);
 245         usernum = extract_long(params, 5);
 246 }
 247
 248
 249 /*
 250  * Remove a room from the march list.  'floornum' is ignored unless
 251  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 252  * floor will be removed from the march list.
 253  */
 254 void remove_march(char *roomname, int floornum)
 255 {
 256         struct march *mptr, *mptr2;
 257
 258         if (march == NULL)
 259                 return;
 260
 261         if ((!strucmp(march->march_name, roomname))
 262             || ((!strucmp(roomname, "_FLOOR_")) && (march->march_floor == floornum))) {
 263                 mptr = march->next;
 264                 free(march);
 265                 march = mptr;
 266                 return;
 267         }
 268         mptr2 = march;
 269         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 270
 271                 if ((!strucmp(mptr->march_name, roomname))
 272                     || ((!strucmp(roomname, "_FLOOR_"))
 273                         && (mptr->march_floor == floornum))) {
 274
 275                         mptr2->next = mptr->next;
 276                         free(mptr);
 277                         mptr = mptr2;
 278                 } else {
 279                         mptr2 = mptr;
 280                 }
 281         }
 282 }
 283
 284
 285 /*
 286  * Locate the room on the march list which we most want to go to.  Each room
 287  * is measured given a "weight" of preference based on various factors.
 288  */
 289 char *pop_march(int desired_floor)
 290 {
 291         static char TheRoom[ROOMNAMELEN];
 292         int TheFloor = 0;
 293         int TheOrder = 32767;
 294         int TheWeight = 0;
 295         int weight;
 296         struct march *mptr = NULL;
 297
 298         strcpy(TheRoom, "_BASEROOM_");
 299         if (march == NULL)
 300                 return (TheRoom);
 301
 302         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 303                 weight = 0;
 304                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 305                         weight = weight + 10000;
 306                 if (mptr->march_floor == desired_floor)
 307                         weight = weight + 5000;
 308
 309                 weight = weight + ((128 - (mptr->march_floor)) * 128);
 310                 weight = weight + (128 - (mptr->march_order));
 311
 312                 if (weight > TheWeight) {
 313                         TheWeight = weight;
 314                         strcpy(TheRoom, mptr->march_name);
 315                         TheFloor = mptr->march_floor;
 316                         TheOrder = mptr->march_order;
 317                 }
 318         }
 319         return (TheRoom);
 320 }
 321
 322
 323 /*
 324  * jump directly to a room
 325  */
 326 void dotgoto(char *towhere, int display_name)
 327 {
 328         char aaa[256], bbb[256], psearch[256];
 329         static long ls = 0L;
 330         int newmailcount;
 331         static int oldmailcount = (-1);
 332         int partial_match, best_match;
 333         char from_floor;
 334
 335         /* store ungoto information */
 336         strcpy(ugname, room_name);
 337         uglsn = ls;
 338
 339         /* first try an exact match */
 340         snprintf(aaa, sizeof aaa, "GOTO %s", towhere);
 341         serv_puts(aaa);
 342         serv_gets(aaa);
 343         if (aaa[3] == '*')
 344                 express_msgs = 1;
 345         if (!strncmp(aaa, "54", 2)) {
 346                 newprompt("Enter room password: ", bbb, 9);
 347                 snprintf(aaa, sizeof aaa, "GOTO %s|%s", towhere, bbb);
 348                 serv_puts(aaa);
 349                 serv_gets(aaa);
 350                 if (aaa[3] == '*')
 351                         express_msgs = 1;
 352         }
 353         if (!strncmp(aaa, "54", 2)) {
 354                 printf("Wrong password.\n");
 355                 return;
 356         }
 357         /*
 358          * If a match is not found, try a partial match.
 359          * Partial matches anywhere in the string carry a weight of 1,
 360          * left-aligned matches carry a weight of 2.  Pick the room that
 361          * has the highest-weighted match.
 362          */
 363         if (aaa[0] != '2') {
 364                 best_match = 0;
 365                 strcpy(bbb, "");
 366                 serv_puts("LKRA");
 367                 serv_gets(aaa);
 368                 if (aaa[0] == '1')
 369                         while (serv_gets(aaa), strcmp(aaa, "000")) {
 370                                 extract(psearch, aaa, 0);
 371                                 partial_match = 0;
 372                                 if (pattern(psearch, towhere) >= 0) {
 373                                         partial_match = 1;
 374                                 }
 375                                 if (!struncmp(towhere, psearch, strlen(towhere))) {
 376                                         partial_match = 2;
 377                                 }
 378                                 if (partial_match > best_match) {
 379                                         strcpy(bbb, psearch);
 380                                         best_match = partial_match;
 381                                 }
 382                         }
 383                 if (strlen(bbb) == 0) {
 384                         printf("No room '%s'.\n", towhere);
 385                         return;
 386                 }
 387                 snprintf(aaa, sizeof aaa, "GOTO %s", bbb);
 388                 serv_puts(aaa);
 389                 serv_gets(aaa);
 390                 if (aaa[3] == '*')
 391                         express_msgs = 1;
 392         }
 393         if (aaa[0] != '2') {
 394                 printf("%s\n", aaa);
 395                 return;
 396         }
 397         extract(room_name, &aaa[4], 0);
 398         room_flags = extract_int(&aaa[4], 4);
 399         from_floor = curr_floor;
 400         curr_floor = extract_int(&aaa[4], 10);
 401
 402         remove_march(room_name, 0);
 403         if (!strucmp(towhere, "_BASEROOM_"))
 404                 remove_march(towhere, 0);
 405         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 406                 if (floorlist[(int) curr_floor][0] == 0)
 407                         load_floorlist();
 408                 printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 409         }
 410         if (display_name == 1) {
 411                 color(BRIGHT_WHITE);
 412                 printf("%s ", room_name);
 413                 color(DIM_WHITE);
 414                 printf("- ");
 415         }
 416         if (display_name != 2) {
 417                 color(BRIGHT_YELLOW);
 418                 printf("%d ", extract_int(&aaa[4], 1));
 419                 color(DIM_WHITE);
 420                 printf("new of ");
 421                 color(BRIGHT_YELLOW);
 422                 printf("%d ", extract_int(&aaa[4], 2));
 423                 color(DIM_WHITE);
 424                 printf("messages.\n");
 425         }
 426         highest_msg_read = extract_int(&aaa[4], 6);
 427         maxmsgnum = extract_int(&aaa[4], 5);
 428         is_mail = (char) extract_int(&aaa[4], 7);
 429         is_room_aide = (char) extract_int(&aaa[4], 8);
 430         ls = extract_long(&aaa[4], 6);
 431
 432         /* read info file if necessary */
 433         if (extract_int(&aaa[4], 3) > 0)
 434                 readinfo();
 435
 436         /* check for newly arrived mail if we can */
 437         if (num_parms(&aaa[4]) >= 10) {
 438                 newmailcount = extract_int(&aaa[4], 9);
 439                 if ((oldmailcount >= 0) && (newmailcount > oldmailcount)) {
 440                         color(BRIGHT_RED);
 441                         printf("*** You have new mail\n");
 442                         color(DIM_WHITE);
 443                 }
 444                 oldmailcount = newmailcount;
 445         }
 446 }
 447
 448 /* Goto next room having unread messages.
 449  * We want to skip over rooms that the user has already been to, and take the
 450  * user back to the lobby when done.  The room we end up in is placed in
 451  * newroom - which is set to 0 (the lobby) initially.
 452  */
 453 void gotonext(void)
 454 {
 455         char buf[256];
 456         struct march *mptr, *mptr2;
 457         char next_room[32];
 458
 459         /* Check to see if the march-mode list is already allocated.
 460          * If it is, pop the first room off the list and go there.
 461          */
 462         if (march == NULL) {
 463                 serv_puts("LKRN");
 464                 serv_gets(buf);
 465                 if (buf[0] == '1')
 466                         while (serv_gets(buf), strcmp(buf, "000")) {
 467                                 mptr = (struct march *) malloc(sizeof(struct march));
 468                                 mptr->next = NULL;
 469                                 extract(mptr->march_name, buf, 0);
 470                                 mptr->march_floor = (char) (extract_int(buf, 2) & 0x7F);
 471                                 mptr->march_order = (char) (extract_int(buf, 3) & 0x7F);
 472                                 if (march == NULL) {
 473                                         march = mptr;
 474                                 } else {
 475                                         mptr2 = march;
 476                                         while (mptr2->next != NULL)
 477                                                 mptr2 = mptr2->next;
 478                                         mptr2->next = mptr;
 479                                 }
 480                         }
 481 /* add _BASEROOM_ to the end of the march list, so the user will end up
 482  * in the system base room (usually the Lobby>) at the end of the loop
 483  */
 484                 mptr = (struct march *) malloc(sizeof(struct march));
 485                 mptr->next = NULL;
 486                 strcpy(mptr->march_name, "_BASEROOM_");
 487                 if (march == NULL) {
 488                         march = mptr;
 489                 } else {
 490                         mptr2 = march;
 491                         while (mptr2->next != NULL)
 492                                 mptr2 = mptr2->next;
 493                         mptr2->next = mptr;
 494                 }
 495 /*
 496  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 497  * walk around in circles
 498  */
 499                 remove_march(room_name, 0);
 500         }
 501         if (march != NULL) {
 502                 strcpy(next_room, pop_march(curr_floor));
 503         } else {
 504                 strcpy(next_room, "_BASEROOM_");
 505         }
 506         remove_march(next_room, 0);
 507         dotgoto(next_room, 1);
 508 }
 509
 510 /*
 511  * forget all rooms on a given floor
 512  */
 513 void forget_all_rooms_on(int ffloor)
 514 {
 515         char buf[256];
 516         struct march *flist, *fptr;
 517
 518         printf("Forgetting all rooms on %s...\r", &floorlist[ffloor][0]);
 519         fflush(stdout);
 520         snprintf(buf, sizeof buf, "LKRA %d", ffloor);
 521         serv_puts(buf);
 522         serv_gets(buf);
 523         if (buf[0] != '1') {
 524                 printf("%-72s\n", &buf[4]);
 525                 return;
 526         }
 527         flist = NULL;
 528         while (serv_gets(buf), strcmp(buf, "000")) {
 529                 fptr = (struct march *) malloc(sizeof(struct march));
 530                 fptr->next = flist;
 531                 flist = fptr;
 532                 extract(fptr->march_name, buf, 0);
 533         }
 534         while (flist != NULL) {
 535                 snprintf(buf, sizeof buf, "GOTO %s", flist->march_name);
 536                 serv_puts(buf);
 537                 serv_gets(buf);
 538                 if (buf[0] == '2') {
 539                         serv_puts("FORG");
 540                         serv_gets(buf);
 541                 }
 542                 fptr = flist;
 543                 flist = flist->next;
 544                 free(fptr);
 545         }
 546         printf("%-72s\r", "");
 547 }
 548
 549
 550 /*
 551  * routine called by gotofloor() to move to a new room on a new floor
 552  */
 553 void gf_toroom(char *towhere, int mode)
 554 {
 555         int floor_being_left;
 556
 557         floor_being_left = curr_floor;
 558
 559         if (mode == GF_GOTO) {  /* <;G>oto mode */
 560                 updatels();
 561                 dotgoto(towhere, 1);
 562         }
 563         if (mode == GF_SKIP) {  /* <;S>kip mode */
 564                 dotgoto(towhere, 1);
 565                 remove_march("_FLOOR_", floor_being_left);
 566         }
 567         if (mode == GF_ZAP) {   /* <;Z>ap mode */
 568                 dotgoto(towhere, 1);
 569                 remove_march("_FLOOR_", floor_being_left);
 570                 forget_all_rooms_on(floor_being_left);
 571         }
 572 }
 573
 574
 575 /*
 576  * go to a new floor
 577  */
 578 void gotofloor(char *towhere, int mode)
 579 {
 580         int a, tofloor;
 581         struct march *mptr;
 582         char buf[256], targ[256];
 583
 584         if (floorlist[0][0] == 0)
 585                 load_floorlist();
 586         tofloor = (-1);
 587         for (a = 0; a < 128; ++a)
 588                 if (!strucmp(&floorlist[a][0], towhere))
 589                         tofloor = a;
 590
 591         if (tofloor < 0) {
 592                 for (a = 0; a < 128; ++a) {
 593                         if (!struncmp(&floorlist[a][0], towhere, strlen(towhere))) {
 594                                 tofloor = a;
 595                         }
 596                 }
 597         }
 598         if (tofloor < 0) {
 599                 for (a = 0; a < 128; ++a)
 600                         if (pattern(towhere, &floorlist[a][0]) > 0)
 601                                 tofloor = a;
 602         }
 603         if (tofloor < 0) {
 604                 printf("No floor '%s'.\n", towhere);
 605                 return;
 606         }
 607         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 608                 if ((mptr->march_floor) == tofloor)
 609                         gf_toroom(mptr->march_name, mode);
 610                 return;
 611         }
 612
 613         strcpy(targ, "");
 614         snprintf(buf, sizeof buf, "LKRA %d", tofloor);
 615         serv_puts(buf);
 616         serv_gets(buf);
 617         if (buf[0] == '1')
 618                 while (serv_gets(buf), strcmp(buf, "000")) {
 619                         if ((extract_int(buf, 2) == tofloor) && (strlen(targ) == 0))
 620                                 extract(targ, buf, 0);
 621                 }
 622         if (strlen(targ) > 0) {
 623                 gf_toroom(targ, mode);
 624         } else {
 625                 printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 626         }
 627 }
 628
 629
 630 /*
 631  * forget all rooms on current floor
 632  */
 633 void forget_this_floor(void)
 634 {
 635
 636         if (curr_floor == 0) {
 637                 printf("Can't forget this floor.\n");
 638                 return;
 639         }
 640         if (floorlist[0][0] == 0)
 641                 load_floorlist();
 642         printf("Are you sure you want to forget all rooms on %s? ",
 643                &floorlist[(int) curr_floor][0]);
 644         if (yesno() == 0)
 645                 return;
 646
 647         gf_toroom("_BASEROOM_", GF_ZAP);
 648 }
 649
 650
 651 /*
 652  * Figure out the physical screen dimensions, if we can
 653  */
 654 void check_screen_dims(void)
 655 {
 656 #ifdef TIOCGWINSZ
 657         struct {
 658                 unsigned short height;  /* rows */
 659                 unsigned short width;   /* columns */
 660                 unsigned short xpixels;
 661                 unsigned short ypixels;         /* pixels */
 662         } xwinsz;
 663
 664         if (have_xterm) {       /* dynamically size screen if on an xterm */
 665                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
 666                         if (xwinsz.height)
 667                                 screenheight = (int) xwinsz.height;
 668                         if (xwinsz.width)
 669                                 screenwidth = (int) xwinsz.width;
 670                 }
 671         }
 672 #endif
 673 }
 674
 675
 676 /*
 677  * set floor mode depending on client, server, and user settings
 678  */
 679 void set_floor_mode(void)
 680 {
 681         if (serv_info.serv_ok_floors == 0) {
 682                 floor_mode = 0; /* Don't use floors if the server */
 683         }
 684         /* doesn't support them!          */
 685         else {
 686                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 687                         floor_mode = 0;
 688                 }
 689                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 690                         floor_mode = 1;
 691                 }
 692                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 693                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 694                 }
 695         }
 696 }
 697
 698 /*
 699  * Set or change the user's password
 700  */
 701 int set_password(void)
 702 {
 703         char pass1[20];
 704         char pass2[20];
 705         char buf[256];
 706
 707         if (strlen(rc_password) > 0) {
 708                 strcpy(pass1, rc_password);
 709                 strcpy(pass2, rc_password);
 710         } else {
 711                 IFNEXPERT formout("changepw");
 712                 newprompt("Enter a new password: ", pass1, -19);
 713                 newprompt("Enter it again to confirm: ", pass2, -19);
 714         }
 715         strproc(pass1);
 716         strproc(pass2);
 717         if (!strucmp(pass1, pass2)) {
 718                 snprintf(buf, sizeof buf, "SETP %s", pass1);
 719                 serv_puts(buf);
 720                 serv_gets(buf);
 721                 printf("%s\n", &buf[4]);
 722                 strcpy(re_password, pass1);
 723                 return (0);
 724         } else {
 725                 printf("*** They don't match... try again.\n");
 726                 return (1);
 727         }
 728 }
 729
 730
 731
 732 /*
 733  * get info about the server we've connected to
 734  */
 735 void get_serv_info(void)
 736 {
 737         char buf[512];
 738
 739         CtdlInternalGetServInfo(&serv_info);
 740
 741         /* be nice and identify ourself to the server */
 742         snprintf(buf, sizeof buf, "IDEN %d|%d|%d|%s|",
 743                  SERVER_TYPE, 0, REV_LEVEL,
 744                  (server_is_local ? "local" : CITADEL));
 745         locate_host(&buf[strlen(buf)]);         /* append to the end */
 746         serv_puts(buf);
 747         serv_gets(buf);         /* we don't care about the result code */
 748 }
 749
 750
 751
 752
 753
 754 /*
 755  * Display list of users currently logged on to the server
 756  */
 757 void who_is_online(int longlist)
 758 {
 759         char buf[128], username[128], roomname[128], fromhost[128],
 760          flags[128];
 761         char tbuf[128], clientsoft[128];
 762         time_t timenow = 0;
 763         time_t idletime, idlehours, idlemins, idlesecs;
 764         int last_session = (-1);
 765
 766         if (longlist) {
 767                 serv_puts("TIME");
 768                 serv_gets(tbuf);
 769                 if (tbuf[0] == '2') {
 770                         timenow = extract_long(&tbuf[4], 0);
 771                 } else {
 772                         time(&timenow);
 773                 }
 774         } else {
 775                 color(BRIGHT_WHITE);
 776                 printf("FLG ###        User Name                 Room                 From host\n");
 777                 color(DIM_WHITE);
 778                 printf("--- --- ------------------------- -------------------- ------------------------\n");
 779         }
 780         serv_puts("RWHO");
 781         serv_gets(buf);
 782         if (buf[0] == '1') {
 783                 while (serv_gets(buf), strcmp(buf, "000")) {
 784                         extract(username, buf, 1);
 785                         extract(roomname, buf, 2);
 786                         extract(fromhost, buf, 3);
 787                         extract(clientsoft, buf, 4);
 788                         extract(flags, buf, 7);
 789
 790                         if (longlist) {
 791                                 idletime = timenow - extract_long(buf, 5);
 792                                 idlehours = idletime / 3600;
 793                                 idlemins = (idletime - (idlehours * 3600)) / 60;
 794                                 idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
 795                                 printf("\nFlags: %-3s  Sess# %-3d  Name: %-25s  Room: %s\n",
 796                                        flags, extract_int(buf, 0), username, roomname);
 797                                 printf("from <%s> using <%s>, idle %ld:%02ld:%02ld\n",
 798                                        fromhost, clientsoft,
 799                                        (long) idlehours, (long) idlemins, (long) idlesecs);
 800
 801                         } else {
 802                                 if (extract_int(buf, 0) == last_session) {
 803                                         printf("        ");
 804                                 } else {
 805                                         color(BRIGHT_MAGENTA);
 806                                         printf("%-3s ", flags);
 807                                         color(DIM_WHITE);
 808                                         printf("%-3d ", extract_int(buf, 0));
 809                                 }
 810                                 last_session = extract_int(buf, 0);
 811                                 color(BRIGHT_CYAN);
 812                                 printf("%-25s ", username);
 813                                 color(BRIGHT_MAGENTA);
 814                                 printf("%-20s ", roomname);
 815                                 color(BRIGHT_CYAN);
 816                                 printf("%-24s\n", fromhost);
 817                                 color(DIM_WHITE);
 818                         }
 819                 }
 820         }
 821 }
 822
 823 void enternew(char *desc, char *buf, int maxlen)
 824 {
 825         char bbb[128];
 826         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 827         newprompt(bbb, buf, maxlen);
 828 }
 829
 830 /*
 831  * main
 832  */
 833 int main(int argc, char **argv)
 834 {
 835         int a, b, mcmd;
 836         char aaa[100], bbb[100], eee[100];      /* general purpose variables */
 837         char argbuf[32];        /* command line buf */
 838         volatile int termn8 = 0;
 839
 840
 841         sttybbs(SB_SAVE);       /* Store the old terminal parameters */
 842         load_command_set();     /* parse the citadel.rc file */
 843         sttybbs(SB_NO_INTR);    /* Install the new ones */
 844         signal(SIGINT, SIG_IGN);
 845         signal(SIGQUIT, SIG_IGN);
 846         signal(SIGHUP, dropcarr);       /* Cleanup gracefully if carrier is dropped */
 847         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
 848         signal(SIGCONT, catch_sigcont);         /* Catch SIGCONT so we can reset terminal */
 849
 850         printf("Attaching to server...\r");
 851         fflush(stdout);
 852         attach_to_server(argc, argv);
 853
 854         send_ansi_detect();
 855
 856         serv_gets(aaa);
 857         if (aaa[0] != '2') {
 858                 printf("%s\n", &aaa[4]);
 859                 logoff(atoi(aaa));
 860         }
 861         get_serv_info();
 862
 863         look_for_ansi();
 864         cls(0);
 865         color(7);
 866
 867         printf("%-22s\n%s\n%s\n", serv_info.serv_software, serv_info.serv_humannode,
 868                serv_info.serv_bbs_city);
 869         screenwidth = 80;       /* default screen dimensions */
 870         screenheight = 24;
 871
 872         printf(" pause    next    stop\n");
 873         printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
 874         formout("hello");       /* print the opening greeting */
 875         printf("\n");
 876
 877 GSTA:   termn8 = 0;
 878         newnow = 0;
 879         do {
 880                 if (strlen(rc_username) > 0) {
 881                         strcpy(fullname, rc_username);
 882                 } else {
 883                         newprompt("Enter your name: ", fullname, 29);
 884                 }
 885                 strproc(fullname);
 886                 if (!strucmp(fullname, "new")) {        /* just in case */
 887                         printf("Please enter the name you wish to log in with.\n");
 888                 }
 889         } while (
 890                         (!strucmp(fullname, "bbs"))
 891                         || (!strucmp(fullname, "new"))
 892                         || (strlen(fullname) == 0));
 893
 894         if (!strucmp(fullname, "off")) {
 895                 mcmd = 29;
 896                 goto TERMN8;
 897         }
 898         /* sign on to the server */
 899         strcpy(re_username, fullname);
 900         snprintf(aaa, sizeof aaa, "USER %s", fullname);
 901         serv_puts(aaa);
 902         serv_gets(aaa);
 903         if (aaa[0] != '3')
 904                 goto NEWUSR;
 905
 906         /* password authentication */
 907         if (strlen(rc_password) > 0) {
 908                 strcpy(eee, rc_password);
 909         } else {
 910                 newprompt("\rPlease enter your password: ", eee, -19);
 911         }
 912         strproc(eee);
 913         snprintf(aaa, sizeof aaa, "PASS %s", eee);
 914         serv_puts(aaa);
 915         serv_gets(aaa);
 916         if (aaa[0] == '2') {
 917                 strcpy(re_password, eee);
 918                 load_user_info(&aaa[4]);
 919                 goto PWOK;
 920         }
 921         printf("<< wrong password >>\n");
 922         if (strlen(rc_password) > 0)
 923                 logoff(0);
 924         goto GSTA;
 925
 926       NEWUSR:if (strlen(rc_password) == 0) {
 927                 printf("No record. Enter as new user? ");
 928                 if (yesno() == 0)
 929                         goto GSTA;
 930         }
 931         snprintf(aaa, sizeof aaa, "NEWU %s", fullname);
 932         serv_puts(aaa);
 933         serv_gets(aaa);
 934         if (aaa[0] != '2') {
 935                 printf("%s\n", aaa);
 936                 goto GSTA;
 937         }
 938         load_user_info(&aaa[4]);
 939
 940         while (set_password() != 0);;
 941         newnow = 1;
 942
 943         enter_config(1);
 944
 945
 946       PWOK:printf("%s\nAccess level: %d (%s)\nUser #%ld / Call #%d\n",
 947                fullname, axlevel, axdefs[(int) axlevel],
 948                usernum, timescalled);
 949
 950         serv_puts("CHEK");
 951         serv_gets(aaa);
 952         if (aaa[0] == '2') {
 953                 b = extract_int(&aaa[4], 0);
 954                 if (b > 0) {
 955                         color(BRIGHT_RED);
 956                         if (b == 1)
 957                                 printf("*** You have a new private message in Mail>\n");
 958                         if (b > 1)
 959                                 printf("*** You have %d new private messages in Mail>\n", b);
 960                         color(DIM_WHITE);
 961                 }
 962                 if ((axlevel >= 6) && (extract_int(&aaa[4], 2) > 0)) {
 963                         printf("*** Users need validation\n");
 964                 }
 965                 if (extract_int(&aaa[4], 1) > 0) {
 966                         printf("*** Please register.\n");
 967                         formout("register");
 968                         entregis();
 969                 }
 970         }
 971         /* Make up some temporary filenames for use in various parts of the
 972          * program.  Don't mess with these once they've been set, because we
 973          * will be unlinking them later on in the program and we don't
 974          * want to delete something that we didn't create. */
 975         snprintf(temp, sizeof temp, tmpnam(NULL));
 976         snprintf(temp2, sizeof temp2, tmpnam(NULL));
 977         snprintf(tempdir, sizeof tempdir, tmpnam(NULL));
 978
 979         /* Get screen dimensions.  First we go to a default of 80x24.  Then
 980          * we try to get the user's actual screen dimensions off the server.
 981          * However, if we're running on an xterm, all this stuff is
 982          * irrelevant because we're going to dynamically size the screen
 983          * during the session.
 984          */
 985         screenwidth = 80;
 986         screenheight = 24;
 987         serv_puts("GETU");
 988         serv_gets(aaa);
 989         if (aaa[0] == '2') {
 990                 screenwidth = extract_int(&aaa[4], 0);
 991                 screenheight = extract_int(&aaa[4], 1);
 992         }
 993         if (getenv("TERM") != NULL)
 994                 if (!strcmp(getenv("TERM"), "xterm")) {
 995                         have_xterm = 1;
 996                 }
 997 #ifdef TIOCGWINSZ
 998         check_screen_dims();
 999 #endif
1000
1001         set_floor_mode();
1002
1003
1004         /* Enter the lobby */
1005         dotgoto("_BASEROOM_", 1);
1006
1007 /* Main loop for the system... user is logged in. */
1008         strcpy(ugname, "");
1009         uglsn = 0L;
1010
1011         if (newnow == 1)
1012                 readmsgs(3, 1, 5);
1013         else
1014                 readmsgs(1, 1, 0);
1015
1016         do {                    /* MAIN LOOP OF PROGRAM */
1017
1018                 if (!is_connected()) {
1019                         for (a=15; a>=0; --a) {
1020                                 printf("\rServer connection broken; "
1021                                         "will reconnect in %d seconds\r", a);
1022                                 fflush(stdout);
1023                                 sleep(1);
1024                         }
1025                         printf( "                                "
1026                                 "                                \r");
1027                         fflush(stdout);
1028                         attach_to_server(argc, argv);
1029                         printf("                                         \r");
1030                         fflush(stdout);
1031                         serv_gets(aaa);
1032                         if (aaa[0] != '2') {
1033                                 printf("%s\n", &aaa[4]);
1034                                 exit(0);
1035                         }
1036                         get_serv_info();
1037                         sprintf(aaa, "USER %s", re_username);
1038                         serv_puts(aaa);
1039                         serv_gets(aaa);
1040                         if (aaa[0] != '3') {
1041                                 printf("%s\n", &aaa[4]);
1042                                 exit(0);
1043                         }
1044                         sprintf(aaa, "PASS %s", re_password);
1045                         serv_puts(aaa);
1046                         serv_gets(aaa);
1047                         if (aaa[0] != '2') {
1048                                 printf("%s\n", &aaa[4]);
1049                                 exit(0);
1050                         }
1051                         load_user_info(&aaa[4]);
1052                         sprintf(aaa, "GOTO %s", room_name);
1053                         serv_puts(aaa);
1054                         serv_gets(aaa);
1055                 }
1056
1057                 signal(SIGINT, SIG_IGN);
1058                 signal(SIGQUIT, SIG_IGN);
1059                 signal(SIGPIPE, SIG_IGN);
1060                 mcmd = getcmd(argbuf);
1061
1062 #ifdef TIOCGWINSZ
1063                 check_screen_dims();
1064 #endif
1065
1066                 if (termn8 == 0)
1067                         switch (mcmd) {
1068                         case 1:
1069                                 formout("help");
1070                                 break;
1071                         case 4:
1072                                 entmsg(0, 0);
1073                                 break;
1074                         case 36:
1075                                 entmsg(0, 1);
1076                                 break;
1077                         case 46:
1078                                 entmsg(0, 2);
1079                                 break;
1080                         case 78:
1081                                 newprompt("What do you want your username to be? ", aaa, 32);
1082                                 snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1083                                 serv_puts(bbb);
1084                                 serv_gets(aaa);
1085                                 if (strncmp("200", aaa, 3))
1086                                         printf("\n%s\n", aaa);
1087                                 else
1088                                         entmsg(0, 0);
1089                                 break;
1090                         case 5:
1091                                 updatels();
1092                                 gotonext();
1093                                 break;
1094                         case 47:
1095                                 updatelsa();
1096                                 gotonext();
1097                                 break;
1098                         case 58:
1099                                 updatelsa();
1100                                 dotgoto("_MAIL_", 1);
1101                                 break;
1102                         case 20:
1103                                 updatels();
1104                         case 52:
1105                                 dotgoto(argbuf, 0);
1106                                 break;
1107                         case 10:
1108                                 readmsgs(0, 1, 0);
1109                                 break;
1110                         case 9:
1111                                 readmsgs(3, 1, 5);
1112                                 break;
1113                         case 13:
1114                                 readmsgs(1, 1, 0);
1115                                 break;
1116                         case 11:
1117                                 readmsgs(0, (-1), 0);
1118                                 break;
1119                         case 12:
1120                                 readmsgs(2, (-1), 0);
1121                                 break;
1122                         case 71:
1123                                 readmsgs(3, 1, atoi(argbuf));
1124                                 break;
1125                         case 7:
1126                                 forget();
1127                                 break;
1128                         case 18:
1129                                 subshell();
1130                                 break;
1131                         case 38:
1132                                 updatels();
1133                                 entroom();
1134                                 break;
1135                         case 22:
1136                                 killroom();
1137                                 break;
1138                         case 32:
1139                                 userlist();
1140                                 break;
1141                         case 27:
1142                                 invite();
1143                                 break;
1144                         case 28:
1145                                 kickout();
1146                                 break;
1147                         case 23:
1148                                 editthisroom();
1149                                 break;
1150                         case 14:
1151                                 roomdir();
1152                                 break;
1153                         case 33:
1154                                 download(0);
1155                                 break;
1156                         case 34:
1157                                 download(1);
1158                                 break;
1159                         case 31:
1160                                 download(2);
1161                                 break;
1162                         case 43:
1163                                 download(3);
1164                                 break;
1165                         case 45:
1166                                 download(4);
1167                                 break;
1168                         case 55:
1169                                 download(5);
1170                                 break;
1171                         case 39:
1172                                 upload(0);
1173                                 break;
1174                         case 40:
1175                                 upload(1);
1176                                 break;
1177                         case 42:
1178                                 upload(2);
1179                                 break;
1180                         case 44:
1181                                 upload(3);
1182                                 break;
1183                         case 57:
1184                                 cli_upload();
1185                                 break;
1186                         case 16:
1187                                 ungoto();
1188                                 break;
1189                         case 24:
1190                                 whoknows();
1191                                 break;
1192                         case 26:
1193                                 validate();
1194                                 break;
1195                         case 29:
1196                                 updatels();
1197                                 termn8 = 1;
1198                                 break;
1199                         case 30:
1200                                 updatels();
1201                                 termn8 = 1;
1202                                 break;
1203                         case 48:
1204                                 enterinfo();
1205                                 break;
1206                         case 49:
1207                                 readinfo();
1208                                 break;
1209                         case 72:
1210                                 cli_image_upload("_userpic_");
1211                                 break;
1212                         case 73:
1213                                 cli_image_upload("_roompic_");
1214                                 break;
1215
1216                         case 74:
1217                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1218                                 cli_image_upload(aaa);
1219                                 break;
1220
1221                         case 75:
1222                                 enternew("roomname", aaa, 20);
1223                                 snprintf(bbb, sizeof bbb, "RCHG %s", aaa);
1224                                 serv_puts(bbb);
1225                                 serv_gets(aaa);
1226                                 if (strncmp("200", aaa, 3))
1227                                         printf("\n%s\n", aaa);
1228                                 break;
1229                         case 76:
1230                                 enternew("hostname", aaa, 25);
1231                                 snprintf(bbb, sizeof bbb, "HCHG %s", aaa);
1232                                 serv_puts(bbb);
1233                                 serv_gets(aaa);
1234                                 if (strncmp("200", aaa, 3))
1235                                         printf("\n%s\n", aaa);
1236                                 break;
1237                         case 77:
1238                                 enternew("username", aaa, 32);
1239                                 snprintf(bbb, sizeof bbb, "UCHG %s", aaa);
1240                                 serv_puts(bbb);
1241                                 serv_gets(aaa);
1242                                 if (strncmp("200", aaa, 3))
1243                                         printf("\n%s\n", aaa);
1244                                 break;
1245
1246                         case 35:
1247                                 set_password();
1248                                 break;
1249
1250                         case 21:
1251                                 if (argbuf[0] == 0)
1252                                         strcpy(aaa, "?");
1253                                 display_help(argbuf);
1254                                 break;
1255
1256                         case 41:
1257                                 formout("register");
1258                                 entregis();
1259                                 break;
1260
1261                         case 15:
1262                                 printf("Are you sure (y/n)? ");
1263                                 if (yesno() == 1) {
1264                                         updatels();
1265                                         a = 0;
1266                                         termn8 = 1;
1267                                 }
1268                                 break;
1269
1270                         case 6:
1271                                 gotonext();
1272                                 break;
1273
1274                         case 3:
1275                                 chatmode();
1276                                 break;
1277
1278                         case 2:
1279                                 if (server_is_local) {
1280                                         sttybbs(SB_RESTORE);
1281                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
1282                                                  "exec ./subsystem %ld %d %d", fullname,
1283                                           usernum, screenwidth, axlevel);
1284                                         ka_system(aaa);
1285                                         sttybbs(SB_NO_INTR);
1286                                 } else {
1287                                         printf("*** Can't run doors when server is not local.\n");
1288                                 }
1289                                 break;
1290
1291                         case 17:
1292                                 who_is_online(0);
1293                                 break;
1294
1295                         case 79:
1296                                 who_is_online(1);
1297                                 break;
1298
1299                         case 80:
1300                                 do_system_configuration();
1301                                 break;
1302
1303                         case 50:
1304                                 enter_config(2);
1305                                 break;
1306
1307                         case 37:
1308                                 enter_config(0);
1309                                 set_floor_mode();
1310                                 break;
1311
1312                         case 59:
1313                                 enter_config(3);
1314                                 set_floor_mode();
1315                                 break;
1316
1317                         case 60:
1318                                 gotofloor(argbuf, GF_GOTO);
1319                                 break;
1320
1321                         case 61:
1322                                 gotofloor(argbuf, GF_SKIP);
1323                                 break;
1324
1325                         case 62:
1326                                 forget_this_floor();
1327                                 break;
1328
1329                         case 63:
1330                                 create_floor();
1331                                 break;
1332
1333                         case 64:
1334                                 edit_floor();
1335                                 break;
1336
1337                         case 65:
1338                                 kill_floor();
1339                                 break;
1340
1341                         case 66:
1342                                 enter_bio();
1343                                 break;
1344
1345                         case 67:
1346                                 read_bio();
1347                                 break;
1348
1349                         case 25:
1350                                 edituser();
1351                                 break;
1352
1353                         case 8:
1354                                 knrooms(floor_mode);
1355                                 printf("\n");
1356                                 break;
1357
1358                         case 68:
1359                                 knrooms(2);
1360                                 printf("\n");
1361                                 break;
1362
1363                         case 69:
1364                                 misc_server_cmd(argbuf);
1365                                 break;
1366
1367                         case 70:
1368                                 edit_system_message(argbuf);
1369                                 break;
1370
1371                         case 19:
1372                                 listzrooms();
1373                                 printf("\n");
1374                                 break;
1375
1376                         case 51:
1377                                 deletefile();
1378                                 break;
1379
1380                         case 53:
1381                                 netsendfile();
1382                                 break;
1383
1384                         case 54:
1385                                 movefile();
1386                                 break;
1387
1388                         case 56:
1389                                 page_user();
1390                                 break;
1391
1392                         case 81:
1393                                 setup_icq();
1394                                 break;
1395
1396                         }       /* end switch */
1397         } while (termn8 == 0);
1398
1399       TERMN8:printf("%s logged out.\n", fullname);
1400         while (march != NULL)
1401                 remove_march(march->march_name, 0);
1402         if (mcmd == 30)
1403                 printf("\n\nType 'off' to hang up, or next user...\n");
1404         snprintf(aaa, sizeof aaa, "LOUT");
1405         serv_puts(aaa);
1406         serv_gets(aaa);
1407         if ((mcmd == 29) || (mcmd == 15)) {
1408                 formout("goodbye");
1409                 logoff(0);
1410         }
1411         goto GSTA;
1412
1413 }                               /* end main() */