citadel/citadel.c

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