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