citadel/citadel.c

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