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