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