citadel/citadel.c

   1 /*
   2  * $Id$
   3  *
   4  * Main source module for the client program.
   5  */
   6
   7 #include "sysdep.h"
   8 #include <stdlib.h>
   9 #include <unistd.h>
  10 #include <fcntl.h>
  11 #include <stdio.h>
  12 #include <ctype.h>
  13 #include <string.h>
  14 #include <time.h>
  15 #include <limits.h>
  16 #include <sys/types.h>
  17 #include <sys/wait.h>
  18 #include <sys/stat.h>
  19 #include <sys/ioctl.h>
  20 #include <signal.h>
  21 #include <pwd.h>
  22 #include <setjmp.h>
  23 #include <stdarg.h>
  24
  25 #include "citadel.h"
  26 #include "axdefs.h"
  27 #include "serv_info.h"
  28 #include "routines.h"
  29 #include "routines2.h"
  30 #include "rooms.h"
  31 #include "messages.h"
  32 #include "commands.h"
  33 #include "ipc.h"
  34 #include "client_chat.h"
  35 #include "client_passwords.h"
  36 #include "citadel_decls.h"
  37 #include "tools.h"
  38 #ifndef HAVE_SNPRINTF
  39 #include "snprintf.h"
  40 #endif
  41
  42 struct march {
  43         struct march *next;
  44         char march_name[ROOMNAMELEN];
  45         char march_floor;
  46         char march_order;
  47 };
  48
  49 #define IFEXPERT if (userflags&US_EXPERT)
  50 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  51 #define IFAIDE if (axlevel>=6)
  52 #define IFNAIDE if (axlevel<6)
  53
  54 struct march *march = NULL;
  55
  56 /* globals associated with the client program */
  57 char temp[PATH_MAX];            /* Name of general temp file */
  58 char temp2[PATH_MAX];           /* Name of general temp file */
  59 char tempdir[PATH_MAX];         /* Name of general temp dir */
  60 char editor_path[256];          /* path to external editor */
  61 char printcmd[256];             /* print command */
  62 int editor_pid = (-1);
  63 char fullname[32];
  64 jmp_buf nextbuf;
  65 struct CtdlServInfo serv_info;  /* Info on the server connected */
  66 int screenwidth;
  67 int screenheight;
  68 unsigned room_flags;
  69 char room_name[ROOMNAMELEN];
  70 char ugname[ROOMNAMELEN];
  71 long uglsn;                     /* holds <u>ngoto info */
  72 char is_mail = 0;               /* nonzero when we're in a mail room */
  73 char axlevel = 0;               /* access level */
  74 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
  75 int timescalled;
  76 int posted;
  77 unsigned userflags;
  78 long usernum = 0L;              /* user number */
  79 char newnow;
  80 long highest_msg_read;          /* used for <A>bandon room cmd */
  81 long maxmsgnum;                 /* used for <G>oto */
  82 char sigcaught = 0;
  83 char have_xterm = 0;            /* are we running on an xterm? */
  84 char rc_username[32];
  85 char rc_password[32];
  86 char hostbuf[256];
  87 char portbuf[256];
  88 char rc_floor_mode;
  89 char floor_mode;
  90 char curr_floor = 0;            /* number of current floor */
  91 char floorlist[128][256];       /* names of floors */
  92 char express_msgs = 0;          /* express messages waiting! */
  93
  94 /*
  95  * here is our 'clean up gracefully and exit' routine
  96  */
  97 void logoff(int code)
  98 {
  99         if (editor_pid > 0) {   /* kill the editor if it's running */
 100                 kill(editor_pid, SIGHUP);
 101         }
 102 /* shut down the server... but not if the logoff code is 3, because
 103  * that means we're exiting because we already lost the server
 104  */
 105         if (code != 3)
 106                 serv_puts("QUIT");
 107
 108 /*
 109  * now clean up various things
 110  */
 111
 112         unlink(temp);
 113         unlink(temp2);
 114         nukedir(tempdir);
 115
 116         /* Violently kill off any child processes if Citadel is
 117          * the login shell.
 118          */
 119         if (getppid() == 1) {
 120                 kill(0 - getpgrp(), SIGTERM);
 121                 sleep(1);
 122                 kill(0 - getpgrp(), SIGKILL);
 123         }
 124         sttybbs(SB_RESTORE);    /* return the old terminal settings */
 125         exit(code);             /* exit with the proper exit code */
 126 }
 127
 128
 129
 130 /*
 131  * signal catching function for hangups...
 132  */
 133 void dropcarr(int signum)
 134 {
 135         logoff(SIGHUP);
 136 }
 137
 138
 139
 140 /*
 141  * catch SIGCONT to reset terminal modes when were are put back into the
 142  * foreground.
 143  */
 144 void catch_sigcont(int signum)
 145 {
 146         sttybbs(SB_LAST);
 147         signal(SIGCONT, catch_sigcont);
 148 }
 149
 150
 151
 152 /* general purpose routines */
 153
 154 void formout(char *name)
 155 {                               /* display a file */
 156         char cmd[256];
 157         snprintf(cmd, sizeof cmd, "MESG %s", name);
 158         serv_puts(cmd);
 159         serv_gets(cmd);
 160         if (cmd[0] != '1') {
 161                 printf("%s\n", &cmd[4]);
 162                 return;
 163         }
 164         fmout(screenwidth, NULL,
 165               ((userflags & US_PAGINATOR) ? 1 : 0),
 166               screenheight, 1, 1);
 167 }
 168
 169
 170 void userlist(char *patn)
 171 {
 172         char buf[256];
 173         char fl[256];
 174         struct tm *tmbuf;
 175         time_t lc;
 176
 177         serv_puts("LIST");
 178         serv_gets(buf);
 179         if (buf[0] != '1') {
 180                 pprintf("%s\n", &buf[4]);
 181                 return;
 182         }
 183         pprintf("       User Name           Num  L  LastCall  Calls Posts\n");
 184         pprintf("------------------------- ----- - ---------- ----- -----\n");
 185         while (serv_gets(buf), strcmp(buf, "000")) {
 186                 if (sigcaught == 0) {
 187                     extract(fl, buf, 0);
 188                     if (pattern(fl, patn) >= 0) {
 189                         pprintf("%-25s ", fl);
 190                         pprintf("%5ld %d ", extract_long(buf, 2),
 191                                extract_int(buf, 1));
 192                         lc = extract_long(buf, 3);
 193                         tmbuf = (struct tm *) localtime(&lc);
 194                         pprintf("%02d/%02d/%04d ",
 195                                (tmbuf->tm_mon + 1),
 196                                tmbuf->tm_mday,
 197                                (tmbuf->tm_year + 1900));
 198                         pprintf("%5ld %5ld\n", extract_long(buf, 4), extract_long(buf, 5));
 199                     }
 200
 201                 }
 202         }
 203         pprintf("\n");
 204 }
 205
 206
 207 /*
 208  * grab assorted info about the user...
 209  */
 210 void load_user_info(char *params)
 211 {
 212         extract(fullname, params, 0);
 213         axlevel = extract_int(params, 1);
 214         timescalled = extract_int(params, 2);
 215         posted = extract_int(params, 3);
 216         userflags = extract_int(params, 4);
 217         usernum = extract_long(params, 5);
 218 }
 219
 220
 221 /*
 222  * Remove a room from the march list.  'floornum' is ignored unless
 223  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 224  * floor will be removed from the march list.
 225  */
 226 void remove_march(char *roomname, int floornum)
 227 {
 228         struct march *mptr, *mptr2;
 229
 230         if (march == NULL)
 231                 return;
 232
 233         if ((!strcasecmp(march->march_name, roomname))
 234             || ((!strcasecmp(roomname, "_FLOOR_")) && (march->march_floor == floornum))) {
 235                 mptr = march->next;
 236                 free(march);
 237                 march = mptr;
 238                 return;
 239         }
 240         mptr2 = march;
 241         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 242
 243                 if ((!strcasecmp(mptr->march_name, roomname))
 244                     || ((!strcasecmp(roomname, "_FLOOR_"))
 245                         && (mptr->march_floor == floornum))) {
 246
 247                         mptr2->next = mptr->next;
 248                         free(mptr);
 249                         mptr = mptr2;
 250                 } else {
 251                         mptr2 = mptr;
 252                 }
 253         }
 254 }
 255
 256
 257 /*
 258  * Locate the room on the march list which we most want to go to.  Each room
 259  * is measured given a "weight" of preference based on various factors.
 260  */
 261 char *pop_march(int desired_floor)
 262 {
 263         static char TheRoom[ROOMNAMELEN];
 264         int TheFloor = 0;
 265         int TheOrder = 32767;
 266         int TheWeight = 0;
 267         int weight;
 268         struct march *mptr = NULL;
 269
 270         strcpy(TheRoom, "_BASEROOM_");
 271         if (march == NULL)
 272                 return (TheRoom);
 273
 274         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 275                 weight = 0;
 276                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 277                         weight = weight + 10000;
 278                 if (mptr->march_floor == desired_floor)
 279                         weight = weight + 5000;
 280
 281                 weight = weight + ((128 - (mptr->march_floor)) * 128);
 282                 weight = weight + (128 - (mptr->march_order));
 283
 284                 if (weight > TheWeight) {
 285                         TheWeight = weight;
 286                         strcpy(TheRoom, mptr->march_name);
 287                         TheFloor = mptr->march_floor;
 288                         TheOrder = mptr->march_order;
 289                 }
 290         }
 291         return (TheRoom);
 292 }
 293
 294
 295 /*
 296  * jump directly to a room
 297  */
 298 void dotgoto(char *towhere, int display_name)
 299 {
 300         char aaa[256], bbb[256], psearch[256];
 301         static long ls = 0L;
 302         int newmailcount;
 303         static int oldmailcount = (-1);
 304         int partial_match, best_match;
 305         char from_floor;
 306
 307         /* store ungoto information */
 308         strcpy(ugname, room_name);
 309         uglsn = ls;
 310
 311         /* first try an exact match */
 312         snprintf(aaa, sizeof aaa, "GOTO %s", towhere);
 313         serv_puts(aaa);
 314         serv_gets(aaa);
 315         if (aaa[3] == '*')
 316                 express_msgs = 1;
 317         if (!strncmp(aaa, "54", 2)) {
 318                 newprompt("Enter room password: ", bbb, 9);
 319                 snprintf(aaa, sizeof aaa, "GOTO %s|%s", towhere, bbb);
 320                 serv_puts(aaa);
 321                 serv_gets(aaa);
 322                 if (aaa[3] == '*')
 323                         express_msgs = 1;
 324         }
 325         if (!strncmp(aaa, "54", 2)) {
 326                 printf("Wrong password.\n");
 327                 return;
 328         }
 329         /*
 330          * If a match is not found, try a partial match.
 331          * Partial matches anywhere in the string carry a weight of 1,
 332          * left-aligned matches carry a weight of 2.  Pick the room that
 333          * has the highest-weighted match.
 334          */
 335         if (aaa[0] != '2') {
 336                 best_match = 0;
 337                 strcpy(bbb, "");
 338                 serv_puts("LKRA");
 339                 serv_gets(aaa);
 340                 if (aaa[0] == '1')
 341                         while (serv_gets(aaa), strcmp(aaa, "000")) {
 342                                 extract(psearch, aaa, 0);
 343                                 partial_match = 0;
 344                                 if (pattern(psearch, towhere) >= 0) {
 345                                         partial_match = 1;
 346                                 }
 347                                 if (!strncasecmp(towhere, psearch, strlen(towhere))) {
 348                                         partial_match = 2;
 349                                 }
 350                                 if (partial_match > best_match) {
 351                                         strcpy(bbb, psearch);
 352                                         best_match = partial_match;
 353                                 }
 354                         }
 355                 if (strlen(bbb) == 0) {
 356                         printf("No room '%s'.\n", towhere);
 357                         return;
 358                 }
 359                 snprintf(aaa, sizeof aaa, "GOTO %s", bbb);
 360                 serv_puts(aaa);
 361                 serv_gets(aaa);
 362                 if (aaa[3] == '*')
 363                         express_msgs = 1;
 364         }
 365         if (aaa[0] != '2') {
 366                 printf("%s\n", aaa);
 367                 return;
 368         }
 369         extract(room_name, &aaa[4], 0);
 370         room_flags = extract_int(&aaa[4], 4);
 371         from_floor = curr_floor;
 372         curr_floor = extract_int(&aaa[4], 10);
 373
 374         remove_march(room_name, 0);
 375         if (!strcasecmp(towhere, "_BASEROOM_"))
 376                 remove_march(towhere, 0);
 377         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 378                 if (floorlist[(int) curr_floor][0] == 0)
 379                         load_floorlist();
 380                 printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 381         }
 382         if (display_name == 1) {
 383                 color(BRIGHT_WHITE);
 384                 printf("%s ", room_name);
 385                 color(DIM_WHITE);
 386                 printf("- ");
 387         }
 388         if (display_name != 2) {
 389                 color(BRIGHT_YELLOW);
 390                 printf("%d ", extract_int(&aaa[4], 1));
 391                 color(DIM_WHITE);
 392                 printf("new of ");
 393                 color(BRIGHT_YELLOW);
 394                 printf("%d ", extract_int(&aaa[4], 2));
 395                 color(DIM_WHITE);
 396                 printf("messages.\n");
 397         }
 398         highest_msg_read = extract_int(&aaa[4], 6);
 399         maxmsgnum = extract_int(&aaa[4], 5);
 400         is_mail = (char) extract_int(&aaa[4], 7);
 401         is_room_aide = (char) extract_int(&aaa[4], 8);
 402         ls = extract_long(&aaa[4], 6);
 403
 404         /* read info file if necessary */
 405         if (extract_int(&aaa[4], 3) > 0)
 406                 readinfo();
 407
 408         /* check for newly arrived mail if we can */
 409         if (num_parms(&aaa[4]) >= 10) {
 410                 newmailcount = extract_int(&aaa[4], 9);
 411                 if ((oldmailcount >= 0) && (newmailcount > oldmailcount)) {
 412                         color(BRIGHT_RED);
 413                         printf("*** You have new mail\n");
 414                         color(DIM_WHITE);
 415                 }
 416                 oldmailcount = newmailcount;
 417         }
 418 }
 419
 420 /* Goto next room having unread messages.
 421  * We want to skip over rooms that the user has already been to, and take the
 422  * user back to the lobby when done.  The room we end up in is placed in
 423  * newroom - which is set to 0 (the lobby) initially.
 424  */
 425 void gotonext(void)
 426 {
 427         char buf[256];
 428         struct march *mptr, *mptr2;
 429         char next_room[ROOMNAMELEN];
 430
 431         /* Check to see if the march-mode list is already allocated.
 432          * If it is, pop the first room off the list and go there.
 433          */
 434         if (march == NULL) {
 435                 serv_puts("LKRN");
 436                 serv_gets(buf);
 437                 if (buf[0] == '1')
 438                         while (serv_gets(buf), strcmp(buf, "000")) {
 439                                 mptr = (struct march *) malloc(sizeof(struct march));
 440                                 mptr->next = NULL;
 441                                 extract(mptr->march_name, buf, 0);
 442                                 mptr->march_floor = (char) (extract_int(buf, 2) & 0x7F);
 443                                 mptr->march_order = (char) (extract_int(buf, 3) & 0x7F);
 444                                 if (march == NULL) {
 445                                         march = mptr;
 446                                 } else {
 447                                         mptr2 = march;
 448                                         while (mptr2->next != NULL)
 449                                                 mptr2 = mptr2->next;
 450                                         mptr2->next = mptr;
 451                                 }
 452                         }
 453 /* add _BASEROOM_ to the end of the march list, so the user will end up
 454  * in the system base room (usually the Lobby>) at the end of the loop
 455  */
 456                 mptr = (struct march *) malloc(sizeof(struct march));
 457                 mptr->next = NULL;
 458                 strcpy(mptr->march_name, "_BASEROOM_");
 459                 if (march == NULL) {
 460                         march = mptr;
 461                 } else {
 462                         mptr2 = march;
 463                         while (mptr2->next != NULL)
 464                                 mptr2 = mptr2->next;
 465                         mptr2->next = mptr;
 466                 }
 467 /*
 468  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 469  * walk around in circles
 470  */
 471                 remove_march(room_name, 0);
 472         }
 473         if (march != NULL) {
 474                 strcpy(next_room, pop_march(curr_floor));
 475         } else {
 476                 strcpy(next_room, "_BASEROOM_");
 477         }
 478         remove_march(next_room, 0);
 479         dotgoto(next_room, 1);
 480 }
 481
 482 /*
 483  * forget all rooms on a given floor
 484  */
 485 void forget_all_rooms_on(int ffloor)
 486 {
 487         char buf[256];
 488         struct march *flist, *fptr;
 489
 490         printf("Forgetting all rooms on %s...\r", &floorlist[ffloor][0]);
 491         fflush(stdout);
 492         snprintf(buf, sizeof buf, "LKRA %d", ffloor);
 493         serv_puts(buf);
 494         serv_gets(buf);
 495         if (buf[0] != '1') {
 496                 printf("%-72s\n", &buf[4]);
 497                 return;
 498         }
 499         flist = NULL;
 500         while (serv_gets(buf), strcmp(buf, "000")) {
 501                 fptr = (struct march *) malloc(sizeof(struct march));
 502                 fptr->next = flist;
 503                 flist = fptr;
 504                 extract(fptr->march_name, buf, 0);
 505         }
 506         while (flist != NULL) {
 507                 snprintf(buf, sizeof buf, "GOTO %s", flist->march_name);
 508                 serv_puts(buf);
 509                 serv_gets(buf);
 510                 if (buf[0] == '2') {
 511                         serv_puts("FORG");
 512                         serv_gets(buf);
 513                 }
 514                 fptr = flist;
 515                 flist = flist->next;
 516                 free(fptr);
 517         }
 518         printf("%-72s\r", "");
 519 }
 520
 521
 522 /*
 523  * routine called by gotofloor() to move to a new room on a new floor
 524  */
 525 void gf_toroom(char *towhere, int mode)
 526 {
 527         int floor_being_left;
 528
 529         floor_being_left = curr_floor;
 530
 531         if (mode == GF_GOTO) {  /* <;G>oto mode */
 532                 updatels();
 533                 dotgoto(towhere, 1);
 534         }
 535         if (mode == GF_SKIP) {  /* <;S>kip mode */
 536                 dotgoto(towhere, 1);
 537                 remove_march("_FLOOR_", floor_being_left);
 538         }
 539         if (mode == GF_ZAP) {   /* <;Z>ap mode */
 540                 dotgoto(towhere, 1);
 541                 remove_march("_FLOOR_", floor_being_left);
 542                 forget_all_rooms_on(floor_being_left);
 543         }
 544 }
 545
 546
 547 /*
 548  * go to a new floor
 549  */
 550 void gotofloor(char *towhere, int mode)
 551 {
 552         int a, tofloor;
 553         struct march *mptr;
 554         char buf[256], targ[256];
 555
 556         if (floorlist[0][0] == 0)
 557                 load_floorlist();
 558         tofloor = (-1);
 559         for (a = 0; a < 128; ++a)
 560                 if (!strcasecmp(&floorlist[a][0], towhere))
 561                         tofloor = a;
 562
 563         if (tofloor < 0) {
 564                 for (a = 0; a < 128; ++a) {
 565                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 566                                 tofloor = a;
 567                         }
 568                 }
 569         }
 570         if (tofloor < 0) {
 571                 for (a = 0; a < 128; ++a)
 572                         if (pattern(towhere, &floorlist[a][0]) > 0)
 573                                 tofloor = a;
 574         }
 575         if (tofloor < 0) {
 576                 printf("No floor '%s'.\n", towhere);
 577                 return;
 578         }
 579         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 580                 if ((mptr->march_floor) == tofloor)
 581                         gf_toroom(mptr->march_name, mode);
 582                 return;
 583         }
 584
 585         strcpy(targ, "");
 586         snprintf(buf, sizeof buf, "LKRA %d", tofloor);
 587         serv_puts(buf);
 588         serv_gets(buf);
 589         if (buf[0] == '1')
 590                 while (serv_gets(buf), strcmp(buf, "000")) {
 591                         if ((extract_int(buf, 2) == tofloor) && (strlen(targ) == 0))
 592                                 extract(targ, buf, 0);
 593                 }
 594         if (strlen(targ) > 0) {
 595                 gf_toroom(targ, mode);
 596         } else {
 597                 printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 598         }
 599 }
 600
 601
 602 /*
 603  * forget all rooms on current floor
 604  */
 605 void forget_this_floor(void)
 606 {
 607
 608         if (curr_floor == 0) {
 609                 printf("Can't forget this floor.\n");
 610                 return;
 611         }
 612         if (floorlist[0][0] == 0)
 613                 load_floorlist();
 614         printf("Are you sure you want to forget all rooms on %s? ",
 615                &floorlist[(int) curr_floor][0]);
 616         if (yesno() == 0)
 617                 return;
 618
 619         gf_toroom("_BASEROOM_", GF_ZAP);
 620 }
 621
 622
 623 /*
 624  * Figure out the physical screen dimensions, if we can
 625  */
 626 void check_screen_dims(void)
 627 {
 628 #ifdef TIOCGWINSZ
 629         struct {
 630                 unsigned short height;  /* rows */
 631                 unsigned short width;   /* columns */
 632                 unsigned short xpixels;
 633                 unsigned short ypixels;         /* pixels */
 634         } xwinsz;
 635
 636         if (have_xterm) {       /* dynamically size screen if on an xterm */
 637                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
 638                         if (xwinsz.height)
 639                                 screenheight = (int) xwinsz.height;
 640                         if (xwinsz.width)
 641                                 screenwidth = (int) xwinsz.width;
 642                 }
 643         }
 644 #endif
 645 }
 646
 647
 648 /*
 649  * set floor mode depending on client, server, and user settings
 650  */
 651 void set_floor_mode(void)
 652 {
 653         if (serv_info.serv_ok_floors == 0) {
 654                 floor_mode = 0; /* Don't use floors if the server */
 655         }
 656         /* doesn't support them!          */
 657         else {
 658                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 659                         floor_mode = 0;
 660                 }
 661                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 662                         floor_mode = 1;
 663                 }
 664                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 665                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 666                 }
 667         }
 668 }
 669
 670 /*
 671  * Set or change the user's password
 672  */
 673 int set_password(void)
 674 {
 675         char pass1[20];
 676         char pass2[20];
 677         char buf[256];
 678
 679         if (strlen(rc_password) > 0) {
 680                 strcpy(pass1, rc_password);
 681                 strcpy(pass2, rc_password);
 682         } else {
 683                 IFNEXPERT formout("changepw");
 684                 newprompt("Enter a new password: ", pass1, -19);
 685                 newprompt("Enter it again to confirm: ", pass2, -19);
 686         }
 687         strproc(pass1);
 688         strproc(pass2);
 689         if (!strcasecmp(pass1, pass2)) {
 690                 snprintf(buf, sizeof buf, "SETP %s", pass1);
 691                 serv_puts(buf);
 692                 serv_gets(buf);
 693                 printf("%s\n", &buf[4]);
 694                 offer_to_remember_password(hostbuf, portbuf, fullname, pass1);
 695                 return (0);
 696         } else {
 697                 printf("*** They don't match... try again.\n");
 698                 return (1);
 699         }
 700 }
 701
 702
 703
 704 /*
 705  * get info about the server we've connected to
 706  */
 707 void get_serv_info(void)
 708 {
 709         char buf[512];
 710
 711         CtdlInternalGetServInfo(&serv_info);
 712
 713         /* be nice and identify ourself to the server */
 714         snprintf(buf, sizeof buf, "IDEN %d|%d|%d|%s|",
 715                  SERVER_TYPE, 0, REV_LEVEL,
 716                  (server_is_local ? "local" : CITADEL));
 717         locate_host(&buf[strlen(buf)]);         /* append to the end */
 718         serv_puts(buf);
 719         serv_gets(buf);         /* we don't care about the result code */
 720 }
 721
 722
 723
 724
 725
 726 /*
 727  * Display list of users currently logged on to the server
 728  */
 729 void who_is_online(int longlist)
 730 {
 731         char buf[128], username[128], roomname[128], fromhost[128];
 732         char flags[128];
 733         char actual_user[128], actual_room[128], actual_host[128];
 734         char tbuf[128], clientsoft[128];
 735         time_t timenow = 0;
 736         time_t idletime, idlehours, idlemins, idlesecs;
 737         int last_session = (-1);
 738
 739         if (longlist) {
 740                 serv_puts("TIME");
 741                 serv_gets(tbuf);
 742                 if (tbuf[0] == '2') {
 743                         timenow = extract_long(&tbuf[4], 0);
 744                 } else {
 745                         time(&timenow);
 746                 }
 747         } else {
 748                 color(BRIGHT_WHITE);
 749                 pprintf("FLG ###        User Name                 Room                 From host\n");
 750                 color(DIM_WHITE);
 751                 pprintf("--- --- ------------------------- -------------------- ------------------------\n");
 752         }
 753         serv_puts("RWHO");
 754         serv_gets(buf);
 755         if (buf[0] == '1') {
 756                 while (serv_gets(buf), strcmp(buf, "000")) {
 757                         extract(username, buf, 1);
 758                         extract(roomname, buf, 2);
 759                         extract(fromhost, buf, 3);
 760                         extract(clientsoft, buf, 4);
 761                         extract(flags, buf, 7);
 762
 763                         if (longlist) {
 764
 765                                 extract(actual_user, buf, 8);
 766                                 extract(actual_room, buf, 9);
 767                                 extract(actual_host, buf, 10);
 768
 769                                 idletime = timenow - extract_long(buf, 5);
 770                                 idlehours = idletime / 3600;
 771                                 idlemins = (idletime - (idlehours * 3600)) / 60;
 772                                 idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
 773                                 pprintf("\nFlags: %-3s  Sess# %-3d  Name: %-25s  Room: %s\n",
 774                                        flags, extract_int(buf, 0), username, roomname);
 775                                 pprintf("from <%s> using <%s>, idle %ld:%02ld:%02ld\n",
 776                                        fromhost, clientsoft,
 777                                        (long) idlehours, (long) idlemins, (long) idlesecs);
 778
 779                                 if ( (strlen(actual_user)+strlen(actual_room)+strlen(actual_host)) > 0) {
 780                                         pprintf("(really ");
 781                                         if (strlen(actual_user)>0) pprintf("<%s> ", actual_user);
 782                                         if (strlen(actual_room)>0) pprintf("in <%s> ", actual_room);
 783                                         if (strlen(actual_host)>0) pprintf("from <%s> ", actual_host);
 784                                         pprintf(")\n");
 785                                 }
 786
 787                         } else {
 788                                 if (extract_int(buf, 0) == last_session) {
 789                                         pprintf("        ");
 790                                 } else {
 791                                         color(BRIGHT_MAGENTA);
 792                                         pprintf("%-3s ", flags);
 793                                         color(DIM_WHITE);
 794                                         pprintf("%-3d ", extract_int(buf, 0));
 795                                 }
 796                                 last_session = extract_int(buf, 0);
 797                                 color(BRIGHT_CYAN);
 798                                 pprintf("%-25s ", username);
 799                                 color(BRIGHT_MAGENTA);
 800                                 roomname[20] = 0;
 801                                 pprintf("%-20s ", roomname);
 802                                 color(BRIGHT_CYAN);
 803                                 pprintf("%-24s\n", fromhost);
 804                                 color(DIM_WHITE);
 805                         }
 806                 }
 807         }
 808 }
 809
 810 void enternew(char *desc, char *buf, int maxlen)
 811 {
 812         char bbb[128];
 813         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 814         newprompt(bbb, buf, maxlen);
 815 }
 816
 817 /*
 818  * main
 819  */
 820 int main(int argc, char **argv)
 821 {
 822         int a, b, mcmd;
 823         char aaa[100], bbb[100];/* general purpose variables */
 824         char argbuf[32];        /* command line buf */
 825         volatile int termn8 = 0;
 826         int stored_password = 0;
 827         char password[256];
 828
 829         sttybbs(SB_SAVE);       /* Store the old terminal parameters */
 830         load_command_set();     /* parse the citadel.rc file */
 831         sttybbs(SB_NO_INTR);    /* Install the new ones */
 832         signal(SIGINT, SIG_IGN);
 833         signal(SIGQUIT, SIG_IGN);
 834         signal(SIGHUP, dropcarr);       /* Cleanup gracefully if carrier is dropped */
 835         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
 836         signal(SIGCONT, catch_sigcont);         /* Catch SIGCONT so we can reset terminal */
 837
 838         printf("Attaching to server... \r");
 839         fflush(stdout);
 840         attach_to_server(argc, argv, hostbuf, portbuf);
 841
 842         send_ansi_detect();
 843
 844         serv_gets(aaa);
 845         if (aaa[0] != '2') {
 846                 printf("%s\n", &aaa[4]);
 847                 logoff(atoi(aaa));
 848         }
 849         get_serv_info();
 850
 851         look_for_ansi();
 852         cls(0);
 853         color(7);
 854
 855         printf("%-23s\n%s\n%s\n", serv_info.serv_software, serv_info.serv_humannode,
 856                serv_info.serv_bbs_city);
 857         screenwidth = 80;       /* default screen dimensions */
 858         screenheight = 24;
 859
 860         printf(" pause    next    stop\n");
 861         printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
 862         formout("hello");       /* print the opening greeting */
 863         printf("\n");
 864
 865 GSTA:   /* See if we have a username and password on disk */
 866         if (rc_remember_passwords) {
 867                 get_stored_password(hostbuf, portbuf, fullname, password);
 868                 if (strlen(fullname) > 0) {
 869                         sprintf(aaa, "USER %s", fullname);
 870                         serv_puts(aaa);
 871                         serv_gets(aaa);
 872                         sprintf(aaa, "PASS %s", password);
 873                         serv_puts(aaa);
 874                         serv_gets(aaa);
 875                         if (aaa[0] == '2') {
 876                                 load_user_info(&aaa[4]);
 877                                 stored_password = 1;
 878                                 goto PWOK;
 879                         }
 880                         else {
 881                                 set_stored_password(hostbuf, portbuf, "", "");
 882                         }
 883                 }
 884         }
 885
 886         termn8 = 0;
 887         newnow = 0;
 888         do {
 889                 if (strlen(rc_username) > 0) {
 890                         strcpy(fullname, rc_username);
 891                 } else {
 892                         newprompt("Enter your name: ", fullname, 29);
 893                 }
 894                 strproc(fullname);
 895                 if (!strcasecmp(fullname, "new")) {     /* just in case */
 896                         printf("Please enter the name you wish to log in with.\n");
 897                 }
 898         } while (
 899                         (!strcasecmp(fullname, "bbs"))
 900                         || (!strcasecmp(fullname, "new"))
 901                         || (strlen(fullname) == 0));
 902
 903         if (!strcasecmp(fullname, "off")) {
 904                 mcmd = 29;
 905                 goto TERMN8;
 906         }
 907         /* sign on to the server */
 908         snprintf(aaa, sizeof aaa, "USER %s", fullname);
 909         serv_puts(aaa);
 910         serv_gets(aaa);
 911         if (aaa[0] != '3')
 912                 goto NEWUSR;
 913
 914         /* password authentication */
 915         if (strlen(rc_password) > 0) {
 916                 strcpy(password, rc_password);
 917         } else {
 918                 newprompt("\rPlease enter your password: ", password, -19);
 919         }
 920         strproc(password);
 921         snprintf(aaa, sizeof aaa, "PASS %s", password);
 922         serv_puts(aaa);
 923         serv_gets(aaa);
 924         if (aaa[0] == '2') {
 925                 load_user_info(&aaa[4]);
 926                 offer_to_remember_password(hostbuf, portbuf,
 927                                         fullname, password);
 928                 goto PWOK;
 929         }
 930         printf("<< wrong password >>\n");
 931         if (strlen(rc_password) > 0)
 932                 logoff(0);
 933         goto GSTA;
 934
 935 NEWUSR: if (strlen(rc_password) == 0) {
 936                 printf("No record. Enter as new user? ");
 937                 if (yesno() == 0)
 938                         goto GSTA;
 939         }
 940         snprintf(aaa, sizeof aaa, "NEWU %s", fullname);
 941         serv_puts(aaa);
 942         serv_gets(aaa);
 943         if (aaa[0] != '2') {
 944                 printf("%s\n", aaa);
 945                 goto GSTA;
 946         }
 947         load_user_info(&aaa[4]);
 948
 949         while (set_password() != 0);;
 950         newnow = 1;
 951
 952         enter_config(1);
 953
 954
 955 PWOK:   printf("%s\nAccess level: %d (%s)\nUser #%ld / Call #%d\n",
 956                fullname, axlevel, axdefs[(int) axlevel],
 957                usernum, timescalled);
 958
 959         serv_puts("CHEK");
 960         serv_gets(aaa);
 961         if (aaa[0] == '2') {
 962                 b = extract_int(&aaa[4], 0);
 963                 if (b > 0) {
 964                         color(BRIGHT_RED);
 965                         if (b == 1)
 966                                 printf("*** You have a new private message in Mail>\n");
 967                         if (b > 1)
 968                                 printf("*** You have %d new private messages in Mail>\n", b);
 969                         color(DIM_WHITE);
 970                 }
 971                 if ((axlevel >= 6) && (extract_int(&aaa[4], 2) > 0)) {
 972                         printf("*** Users need validation\n");
 973                 }
 974                 if (extract_int(&aaa[4], 1) > 0) {
 975                         printf("*** Please register.\n");
 976                         formout("register");
 977                         entregis();
 978                 }
 979         }
 980         /* Make up some temporary filenames for use in various parts of the
 981          * program.  Don't mess with these once they've been set, because we
 982          * will be unlinking them later on in the program and we don't
 983          * want to delete something that we didn't create. */
 984         snprintf(temp, sizeof temp, tmpnam(NULL));
 985         snprintf(temp2, sizeof temp2, tmpnam(NULL));
 986         snprintf(tempdir, sizeof tempdir, tmpnam(NULL));
 987
 988         /* Get screen dimensions.  First we go to a default of 80x24.  Then
 989          * we try to get the user's actual screen dimensions off the server.
 990          * However, if we're running on an xterm, all this stuff is
 991          * irrelevant because we're going to dynamically size the screen
 992          * during the session.
 993          */
 994         screenwidth = 80;
 995         screenheight = 24;
 996         serv_puts("GETU");
 997         serv_gets(aaa);
 998         if (aaa[0] == '2') {
 999                 screenwidth = extract_int(&aaa[4], 0);
1000                 screenheight = extract_int(&aaa[4], 1);
1001         }
1002         if (getenv("TERM") != NULL)
1003                 if (!strcmp(getenv("TERM"), "xterm")) {
1004                         have_xterm = 1;
1005                 }
1006 #ifdef TIOCGWINSZ
1007         check_screen_dims();
1008 #endif
1009
1010         set_floor_mode();
1011
1012
1013         /* Enter the lobby */
1014         dotgoto("_BASEROOM_", 1);
1015
1016 /* Main loop for the system... user is logged in. */
1017         strcpy(ugname, "");
1018         uglsn = 0L;
1019
1020         if (newnow == 1)
1021                 readmsgs(3, 1, 5);
1022         else
1023                 readmsgs(1, 1, 0);
1024
1025         do {                    /* MAIN LOOP OF PROGRAM */
1026
1027                 signal(SIGINT, SIG_IGN);
1028                 signal(SIGQUIT, SIG_IGN);
1029                 mcmd = getcmd(argbuf);
1030
1031 #ifdef TIOCGWINSZ
1032                 check_screen_dims();
1033 #endif
1034
1035                 if (termn8 == 0)
1036                         switch (mcmd) {
1037                         case 1:
1038                                 formout("help");
1039                                 break;
1040                         case 4:
1041                                 entmsg(0, 0);
1042                                 break;
1043                         case 36:
1044                                 entmsg(0, 1);
1045                                 break;
1046                         case 46:
1047                                 entmsg(0, 2);
1048                                 break;
1049                         case 78:
1050                                 newprompt("What do you want your username to be? ", aaa, 32);
1051                                 snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1052                                 serv_puts(bbb);
1053                                 serv_gets(aaa);
1054                                 if (strncmp("200", aaa, 3))
1055                                         printf("\n%s\n", aaa);
1056                                 else
1057                                         entmsg(0, 0);
1058                                 break;
1059                         case 5:
1060                                 updatels();
1061                                 gotonext();
1062                                 break;
1063                         case 47:
1064                                 updatelsa();
1065                                 gotonext();
1066                                 break;
1067                         case 58:
1068                                 updatelsa();
1069                                 dotgoto("_MAIL_", 1);
1070                                 break;
1071                         case 20:
1072                                 updatels();
1073                         case 52:
1074                                 dotgoto(argbuf, 0);
1075                                 break;
1076                         case 10:
1077                                 readmsgs(0, 1, 0);
1078                                 break;
1079                         case 9:
1080                                 readmsgs(3, 1, 5);
1081                                 break;
1082                         case 13:
1083                                 readmsgs(1, 1, 0);
1084                                 break;
1085                         case 11:
1086                                 readmsgs(0, (-1), 0);
1087                                 break;
1088                         case 12:
1089                                 readmsgs(2, (-1), 0);
1090                                 break;
1091                         case 71:
1092                                 readmsgs(3, 1, atoi(argbuf));
1093                                 break;
1094                         case 7:
1095                                 forget();
1096                                 break;
1097                         case 18:
1098                                 subshell();
1099                                 break;
1100                         case 38:
1101                                 updatels();
1102                                 entroom();
1103                                 break;
1104                         case 22:
1105                                 killroom();
1106                                 break;
1107                         case 32:
1108                                 userlist(argbuf);
1109                                 break;
1110                         case 27:
1111                                 invite();
1112                                 break;
1113                         case 28:
1114                                 kickout();
1115                                 break;
1116                         case 23:
1117                                 editthisroom();
1118                                 break;
1119                         case 14:
1120                                 roomdir();
1121                                 break;
1122                         case 33:
1123                                 download(0);
1124                                 break;
1125                         case 34:
1126                                 download(1);
1127                                 break;
1128                         case 31:
1129                                 download(2);
1130                                 break;
1131                         case 43:
1132                                 download(3);
1133                                 break;
1134                         case 45:
1135                                 download(4);
1136                                 break;
1137                         case 55:
1138                                 download(5);
1139                                 break;
1140                         case 39:
1141                                 upload(0);
1142                                 break;
1143                         case 40:
1144                                 upload(1);
1145                                 break;
1146                         case 42:
1147                                 upload(2);
1148                                 break;
1149                         case 44:
1150                                 upload(3);
1151                                 break;
1152                         case 57:
1153                                 cli_upload();
1154                                 break;
1155                         case 16:
1156                                 ungoto();
1157                                 break;
1158                         case 24:
1159                                 whoknows();
1160                                 break;
1161                         case 26:
1162                                 validate();
1163                                 break;
1164                         case 29:
1165                                 updatels();
1166                                 termn8 = 1;
1167                                 break;
1168                         case 30:
1169                                 updatels();
1170                                 termn8 = 1;
1171                                 break;
1172                         case 48:
1173                                 enterinfo();
1174                                 break;
1175                         case 49:
1176                                 readinfo();
1177                                 break;
1178                         case 72:
1179                                 cli_image_upload("_userpic_");
1180                                 break;
1181                         case 73:
1182                                 cli_image_upload("_roompic_");
1183                                 break;
1184
1185                         case 74:
1186                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1187                                 cli_image_upload(aaa);
1188                                 break;
1189
1190                         case 75:
1191                                 enternew("roomname", aaa, 20);
1192                                 snprintf(bbb, sizeof bbb, "RCHG %s", aaa);
1193                                 serv_puts(bbb);
1194                                 serv_gets(aaa);
1195                                 if (strncmp("200", aaa, 3))
1196                                         printf("\n%s\n", aaa);
1197                                 break;
1198                         case 76:
1199                                 enternew("hostname", aaa, 25);
1200                                 snprintf(bbb, sizeof bbb, "HCHG %s", aaa);
1201                                 serv_puts(bbb);
1202                                 serv_gets(aaa);
1203                                 if (strncmp("200", aaa, 3))
1204                                         printf("\n%s\n", aaa);
1205                                 break;
1206                         case 77:
1207                                 enternew("username", aaa, 32);
1208                                 snprintf(bbb, sizeof bbb, "UCHG %s", aaa);
1209                                 serv_puts(bbb);
1210                                 serv_gets(aaa);
1211                                 if (strncmp("200", aaa, 3))
1212                                         printf("\n%s\n", aaa);
1213                                 break;
1214
1215                         case 35:
1216                                 set_password();
1217                                 break;
1218
1219                         case 21:
1220                                 if (argbuf[0] == 0)
1221                                         strcpy(aaa, "?");
1222                                 display_help(argbuf);
1223                                 break;
1224
1225                         case 41:
1226                                 formout("register");
1227                                 entregis();
1228                                 break;
1229
1230                         case 15:
1231                                 printf("Are you sure (y/n)? ");
1232                                 if (yesno() == 1) {
1233                                         updatels();
1234                                         a = 0;
1235                                         termn8 = 1;
1236                                 }
1237                                 break;
1238
1239                         case 85:
1240                                 printf("All users will be disconnected!  "
1241                                         "Really terminate the server? ");
1242                                 if (yesno() == 1) {
1243                                         serv_puts("DOWN");
1244                                         serv_gets(aaa);
1245                                         printf("%s\n", &aaa[4]);
1246                                         if (aaa[0]=='2') {
1247                                                 updatels();
1248                                                 a = 0;
1249                                                 termn8 = 1;
1250                                         }
1251                                 }
1252
1253                         case 86:
1254                                 printf("Do you really want to schedule a "
1255                                         "server shutdown? ");
1256                                 if (yesno() == 1) {
1257                                         serv_puts("SCDN 1");
1258                                         serv_gets(aaa);
1259                                         if (aaa[0]=='2') {
1260                                                 if (atoi(&aaa[4])) {
1261                                                         printf(
1262 "The Citadel server will terminate when all users are logged off.\n"
1263                                                                 );
1264                                                 }
1265                                                 else {
1266                                                         printf(
1267 "The Citadel server will not terminate.\n"
1268                                                                 );
1269                                                 }
1270                                         }
1271                                 }
1272
1273                         case 6:
1274                                 gotonext();
1275                                 break;
1276
1277                         case 3:
1278                                 chatmode();
1279                                 break;
1280
1281                         case 2:
1282                                 if (server_is_local) {
1283                                         sttybbs(SB_RESTORE);
1284                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
1285                                                  "exec ./subsystem %ld %d %d", fullname,
1286                                           usernum, screenwidth, axlevel);
1287                                         ka_system(aaa);
1288                                         sttybbs(SB_NO_INTR);
1289                                 } else {
1290                                         printf("*** Can't run doors when server is not local.\n");
1291                                 }
1292                                 break;
1293
1294                         case 17:
1295                                 who_is_online(0);
1296                                 break;
1297
1298                         case 79:
1299                                 who_is_online(1);
1300                                 break;
1301
1302                         case 80:
1303                                 do_system_configuration();
1304                                 break;
1305
1306                         case 82:
1307                                 do_internet_configuration();
1308                                 break;
1309
1310                         case 83:
1311                                 check_message_base();
1312                                 break;
1313
1314                         case 84:
1315                                 quiet_mode();
1316                                 break;
1317
1318                         case 50:
1319                                 enter_config(2);
1320                                 break;
1321
1322                         case 37:
1323                                 enter_config(0);
1324                                 set_floor_mode();
1325                                 break;
1326
1327                         case 59:
1328                                 enter_config(3);
1329                                 set_floor_mode();
1330                                 break;
1331
1332                         case 60:
1333                                 gotofloor(argbuf, GF_GOTO);
1334                                 break;
1335
1336                         case 61:
1337                                 gotofloor(argbuf, GF_SKIP);
1338                                 break;
1339
1340                         case 62:
1341                                 forget_this_floor();
1342                                 break;
1343
1344                         case 63:
1345                                 create_floor();
1346                                 break;
1347
1348                         case 64:
1349                                 edit_floor();
1350                                 break;
1351
1352                         case 65:
1353                                 kill_floor();
1354                                 break;
1355
1356                         case 66:
1357                                 enter_bio();
1358                                 break;
1359
1360                         case 67:
1361                                 read_bio();
1362                                 break;
1363
1364                         case 25:
1365                                 edituser();
1366                                 break;
1367
1368                         case 8:
1369                                 knrooms(floor_mode);
1370                                 printf("\n");
1371                                 break;
1372
1373                         case 68:
1374                                 knrooms(2);
1375                                 printf("\n");
1376                                 break;
1377
1378                         case 69:
1379                                 misc_server_cmd(argbuf);
1380                                 break;
1381
1382                         case 70:
1383                                 edit_system_message(argbuf);
1384                                 break;
1385
1386                         case 19:
1387                                 listzrooms();
1388                                 printf("\n");
1389                                 break;
1390
1391                         case 51:
1392                                 deletefile();
1393                                 break;
1394
1395                         case 53:
1396                                 netsendfile();
1397                                 break;
1398
1399                         case 54:
1400                                 movefile();
1401                                 break;
1402
1403                         case 56:
1404                                 page_user();
1405                                 break;
1406
1407                         }       /* end switch */
1408         } while (termn8 == 0);
1409
1410       TERMN8:printf("%s logged out.\n", fullname);
1411         while (march != NULL)
1412                 remove_march(march->march_name, 0);
1413         if (mcmd == 30)
1414                 printf("\n\nType 'off' to hang up, or next user...\n");
1415         snprintf(aaa, sizeof aaa, "LOUT");
1416         serv_puts(aaa);
1417         serv_gets(aaa);
1418         if ((mcmd == 29) || (mcmd == 15)) {
1419                 formout("goodbye");
1420                 logoff(0);
1421         }
1422         goto GSTA;
1423
1424 }                               /* end main() */