citadel/rooms.c

   1 /*
   2  * $Id$
   3  *
   4  *
   5  * Client-side functions which perform room operations
   6  *
   7  */
   8
   9 #include "sysdep.h"
  10 #include <stdlib.h>
  11 #include <unistd.h>
  12 #include <fcntl.h>
  13 #include <stdio.h>
  14 #include <ctype.h>
  15 #include <string.h>
  16 #include <signal.h>
  17 #include <sys/types.h>
  18 #include <sys/stat.h>
  19 #include <sys/wait.h>
  20 #include <errno.h>
  21 #include <stdarg.h>
  22 #include "citadel.h"
  23 #include "citadel_ipc.h"
  24 #include "rooms.h"
  25 #include "commands.h"
  26 #include "tools.h"
  27 #include "messages.h"
  28 #ifndef HAVE_SNPRINTF
  29 #include "snprintf.h"
  30 #endif
  31 #include "screen.h"
  32
  33 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  34
  35
  36 void sttybbs(int cmd);
  37 void hit_any_key(void);
  38 int yesno(void);
  39 void strprompt(char *prompt, char *str, int len);
  40 void newprompt(char *prompt, char *str, int len);
  41 void dotgoto(char *towhere, int display_name, int fromungoto);
  42 void serv_read(char *buf, int bytes);
  43 void formout(char *name);
  44 int inkey(void);
  45 void progress(long int curr, long int cmax);
  46 int pattern(char *search, char *patn);
  47 int file_checksum(char *filename);
  48 int nukedir(char *dirname);
  49
  50 extern unsigned room_flags;
  51 extern char room_name[];
  52 extern char temp[];
  53 extern char tempdir[];
  54 extern int editor_pid;
  55 extern char editor_path[];
  56 extern int screenwidth;
  57 extern int screenheight;
  58 extern char fullname[];
  59 extern int userflags;
  60 extern char sigcaught;
  61 extern char floor_mode;
  62 extern char curr_floor;
  63
  64
  65 extern int ugnum;
  66 extern long uglsn;
  67 extern char *uglist[];
  68 extern long uglistlsn[];
  69 extern int uglistsize;
  70
  71 extern char floorlist[128][SIZ];
  72
  73
  74 void load_floorlist(void)
  75 {
  76         int a;
  77         char buf[SIZ];
  78         char *listing = NULL;
  79         int r;                  /* IPC response code */
  80
  81         for (a = 0; a < 128; ++a)
  82                 floorlist[a][0] = 0;
  83
  84         r = CtdlIPCFloorListing(&listing, buf);
  85         if (r / 100 != 1) {
  86                 strcpy(floorlist[0], "Main Floor");
  87                 return;
  88         }
  89         while (*listing && strlen(listing)) {
  90                 extract_token(buf, listing, 0, '\n');
  91                 remove_token(listing, 0, '\n');
  92                 extract(floorlist[extract_int(buf, 0)], buf, 1);
  93         }
  94         free(listing);
  95 }
  96
  97
  98 void room_tree_list(struct roomlisting *rp)
  99 {
 100         static int c = 0;
 101         char rmname[ROOMNAMELEN];
 102         int f;
 103
 104         if (rp == NULL) {
 105                 c = 1;
 106                 return;
 107         }
 108
 109         if (rp->lnext != NULL) {
 110                 room_tree_list(rp->lnext);
 111         }
 112
 113         if (sigcaught == 0) {
 114                 strcpy(rmname, rp->rlname);
 115                 f = rp->rlflags;
 116                 if ((c + strlen(rmname) + 4) > screenwidth) {
 117
 118                         /* line break, check the paginator */
 119                         pprintf("\n");
 120                         c = 1;
 121                 }
 122                 if (f & QR_MAILBOX) {
 123                         color(BRIGHT_YELLOW);
 124                 } else if (f & QR_PRIVATE) {
 125                         color(BRIGHT_RED);
 126                 } else {
 127                         color(DIM_WHITE);
 128                 }
 129                 pprintf("%s", rmname);
 130                 if ((f & QR_DIRECTORY) && (f & QR_NETWORK))
 131                         pprintf("}  ");
 132                 else if (f & QR_DIRECTORY)
 133                         pprintf("]  ");
 134                 else if (f & QR_NETWORK)
 135                         pprintf(")  ");
 136                 else
 137                         pprintf(">  ");
 138                 c = c + strlen(rmname) + 3;
 139         }
 140
 141         if (rp->rnext != NULL) {
 142                 room_tree_list(rp->rnext);
 143         }
 144
 145         free(rp);
 146 }
 147
 148
 149 /*
 150  * Room ordering stuff (compare first by floor, then by order)
 151  */
 152 int rordercmp(struct roomlisting *r1, struct roomlisting *r2)
 153 {
 154         if ((r1 == NULL) && (r2 == NULL))
 155                 return (0);
 156         if (r1 == NULL)
 157                 return (-1);
 158         if (r2 == NULL)
 159                 return (1);
 160         if (r1->rlfloor < r2->rlfloor)
 161                 return (-1);
 162         if (r1->rlfloor > r2->rlfloor)
 163                 return (1);
 164         if (r1->rlorder < r2->rlorder)
 165                 return (-1);
 166         if (r1->rlorder > r2->rlorder)
 167                 return (1);
 168         return (0);
 169 }
 170
 171
 172 /*
 173  * Common code for all room listings
 174  */
 175 void listrms(char *variety)
 176 {
 177         char buf[SIZ];
 178
 179         struct roomlisting *rl = NULL;
 180         struct roomlisting *rp;
 181         struct roomlisting *rs;
 182
 183
 184         /* Ask the server for a room list */
 185         serv_puts(variety);
 186         serv_gets(buf);
 187         if (buf[0] != '1') {
 188                 return;
 189         }
 190         while (serv_gets(buf), strcmp(buf, "000")) {
 191                 rp = malloc(sizeof(struct roomlisting));
 192                 extract(rp->rlname, buf, 0);
 193                 rp->rlflags = extract_int(buf, 1);
 194                 rp->rlfloor = extract_int(buf, 2);
 195                 rp->rlorder = extract_int(buf, 3);
 196                 rp->lnext = NULL;
 197                 rp->rnext = NULL;
 198
 199                 rs = rl;
 200                 if (rl == NULL) {
 201                         rl = rp;
 202                 } else {
 203                         while (rp != NULL) {
 204                                 if (rordercmp(rp, rs) < 0) {
 205                                         if (rs->lnext == NULL) {
 206                                                 rs->lnext = rp;
 207                                                 rp = NULL;
 208                                         } else {
 209                                                 rs = rs->lnext;
 210                                         }
 211                                 } else {
 212                                         if (rs->rnext == NULL) {
 213                                                 rs->rnext = rp;
 214                                                 rp = NULL;
 215                                         } else {
 216                                                 rs = rs->rnext;
 217                                         }
 218                                 }
 219                         }
 220                 }
 221         }
 222
 223         room_tree_list(NULL);
 224         room_tree_list(rl);
 225         color(DIM_WHITE);
 226 }
 227
 228
 229 void list_other_floors(void)
 230 {
 231         int a, c;
 232
 233         c = 1;
 234         for (a = 0; a < 128; ++a) {
 235                 if ((strlen(floorlist[a]) > 0) && (a != curr_floor)) {
 236                         if ((c + strlen(floorlist[a]) + 4) > screenwidth) {
 237                                 pprintf("\n");
 238                                 c = 1;
 239                         }
 240                         pprintf("%s:  ", floorlist[a]);
 241                         c = c + strlen(floorlist[a]) + 3;
 242                 }
 243         }
 244 }
 245
 246
 247 /*
 248  * List known rooms.  kn_floor_mode should be set to 0 for a 'flat' listing,
 249  * 1 to list rooms on the current floor, or 1 to list rooms on all floors.
 250  */
 251 void knrooms(int kn_floor_mode)
 252 {
 253         char buf[SIZ];
 254         int a;
 255
 256         load_floorlist();
 257
 258         if (kn_floor_mode == 0) {
 259                 color(BRIGHT_CYAN);
 260                 pprintf("\n   Rooms with unread messages:\n");
 261                 listrms("LKRN");
 262                 color(BRIGHT_CYAN);
 263                 pprintf("\n\n   No unseen messages in:\n");
 264                 listrms("LKRO");
 265                 pprintf("\n");
 266         }
 267
 268         if (kn_floor_mode == 1) {
 269                 color(BRIGHT_CYAN);
 270                 pprintf("\n   Rooms with unread messages on %s:\n",
 271                         floorlist[(int) curr_floor]);
 272                 snprintf(buf, sizeof buf, "LKRN %d", curr_floor);
 273                 listrms(buf);
 274                 color(BRIGHT_CYAN);
 275                 pprintf("\n\n   Rooms with no new messages on %s:\n",
 276                         floorlist[(int) curr_floor]);
 277                 snprintf(buf, sizeof buf, "LKRO %d", curr_floor);
 278                 listrms(buf);
 279                 color(BRIGHT_CYAN);
 280                 pprintf("\n\n   Other floors:\n");
 281                 list_other_floors();
 282                 pprintf("\n");
 283         }
 284
 285         if (kn_floor_mode == 2) {
 286                 for (a = 0; a < 128; ++a) {
 287                         if (floorlist[a][0] != 0) {
 288                                 color(BRIGHT_CYAN);
 289                                 pprintf("\n   Rooms on %s:\n",
 290                                         floorlist[a]);
 291                                 snprintf(buf, sizeof buf, "LKRA %d", a);
 292                                 listrms(buf);
 293                                 pprintf("\n");
 294                         }
 295                 }
 296         }
 297
 298         color(DIM_WHITE);
 299         IFNEXPERT hit_any_key();
 300 }
 301
 302
 303 void listzrooms(void)
 304 {                               /* list public forgotten rooms */
 305         color(BRIGHT_CYAN);
 306         pprintf("\n   Forgotten public rooms:\n");
 307         listrms("LZRM");
 308         pprintf("\n");
 309         color(DIM_WHITE);
 310         IFNEXPERT hit_any_key();
 311 }
 312
 313
 314 int set_room_attr(int ibuf, char *prompt, unsigned int sbit)
 315 {
 316         int a;
 317
 318         a = boolprompt(prompt, (ibuf & sbit));
 319         ibuf = (ibuf | sbit);
 320         if (!a) {
 321                 ibuf = (ibuf ^ sbit);
 322         }
 323         return (ibuf);
 324 }
 325
 326
 327
 328 /*
 329  * Select a floor (used in several commands)
 330  * The supplied argument is the 'default' floor number.
 331  * This function returns the selected floor number.
 332  */
 333 int select_floor(int rfloor)
 334 {
 335         int a, newfloor;
 336         char floorstr[SIZ];
 337
 338         if (floor_mode == 1) {
 339                 if (floorlist[(int) curr_floor][0] == 0) {
 340                         load_floorlist();
 341                 }
 342
 343                 do {
 344                         newfloor = (-1);
 345                         safestrncpy(floorstr, floorlist[rfloor],
 346                                     sizeof floorstr);
 347                         strprompt("Which floor", floorstr, SIZ);
 348                         for (a = 0; a < 128; ++a) {
 349                                 if (!strcasecmp
 350                                     (floorstr, &floorlist[a][0]))
 351                                         newfloor = a;
 352                                 if ((newfloor < 0)
 353                                     &&
 354                                     (!strncasecmp
 355                                      (floorstr, &floorlist[a][0],
 356                                       strlen(floorstr))))
 357                                         newfloor = a;
 358                                 if ((newfloor < 0)
 359                                     && (pattern(&floorlist[a][0], floorstr)
 360                                         >= 0))
 361                                         newfloor = a;
 362                         }
 363                         if (newfloor < 0) {
 364                                 scr_printf("\n One of:\n");
 365                                 for (a = 0; a < 128; ++a) {
 366                                         if (floorlist[a][0] != 0) {
 367                                                 scr_printf("%s\n",
 368                                                        &floorlist[a][0]);
 369                                         }
 370                                 }
 371                         }
 372                 } while (newfloor < 0);
 373                 return (newfloor);
 374         }
 375         return (rfloor);
 376 }
 377
 378
 379
 380
 381 /*
 382  * .<A>ide <E>dit room
 383  */
 384 void editthisroom(void)
 385 {
 386         char rname[ROOMNAMELEN];
 387         char rpass[10];
 388         char rdir[15];
 389         unsigned rflags;
 390         int rbump;
 391         char raide[32];
 392         char buf[SIZ];
 393         int rfloor;
 394         int rorder;
 395         int expire_mode = 0;
 396         int expire_value = 0;
 397         int r;                          /* IPC response code */
 398
 399         /* Fetch the existing room config */
 400         serv_puts("GETR");
 401         serv_gets(buf);
 402         if (buf[0] != '2') {
 403                 scr_printf("%s\n", &buf[4]);
 404                 return;
 405         }
 406
 407         extract(rname, &buf[4], 0);
 408         extract(rpass, &buf[4], 1);
 409         extract(rdir, &buf[4], 2);
 410         rflags = extract_int(&buf[4], 3);
 411         rfloor = extract_int(&buf[4], 4);
 412         rorder = extract_int(&buf[4], 5);
 413         rbump = 0;
 414
 415         /* Fetch the name of the current room aide */
 416         serv_puts("GETA");
 417         serv_gets(buf);
 418         if (buf[0] == '2') {
 419                 safestrncpy(raide, &buf[4], sizeof raide);
 420         }
 421         else {
 422                 strcpy(raide, "");
 423         }
 424         if (strlen(raide) == 0) {
 425                 strcpy(raide, "none");
 426         }
 427
 428         /* Fetch the expire policy (this will silently fail on old servers,
 429          * resulting in "default" policy)
 430          */
 431         serv_puts("GPEX room");
 432         serv_gets(buf);
 433         if (buf[0] == '2') {
 434                 expire_mode = extract_int(&buf[4], 0);
 435                 expire_value = extract_int(&buf[4], 1);
 436         }
 437
 438         /* Now interact with the user. */
 439         strprompt("Room name", rname, ROOMNAMELEN - 1);
 440
 441         rfloor = select_floor(rfloor);
 442         rflags = set_room_attr(rflags, "Private room", QR_PRIVATE);
 443         if (rflags & QR_PRIVATE) {
 444                 rflags = set_room_attr(rflags,
 445                                        "Accessible by guessing room name",
 446                                        QR_GUESSNAME);
 447         }
 448
 449         /* if it's public, clear the privacy classes */
 450         if ((rflags & QR_PRIVATE) == 0) {
 451                 if (rflags & QR_GUESSNAME) {
 452                         rflags = rflags - QR_GUESSNAME;
 453                 }
 454                 if (rflags & QR_PASSWORDED) {
 455                         rflags = rflags - QR_PASSWORDED;
 456                 }
 457         }
 458
 459         /* if it's private, choose the privacy classes */
 460         if ((rflags & QR_PRIVATE)
 461             && ((rflags & QR_GUESSNAME) == 0)) {
 462                 rflags = set_room_attr(rflags,
 463                                        "Accessible by entering a password",
 464                                        QR_PASSWORDED);
 465         }
 466         if ((rflags & QR_PRIVATE)
 467             && ((rflags & QR_PASSWORDED) == QR_PASSWORDED)) {
 468                 strprompt("Room password", rpass, 9);
 469         }
 470
 471         if ((rflags & QR_PRIVATE) == QR_PRIVATE) {
 472                 rbump =
 473                     boolprompt("Cause current users to forget room", 0);
 474         }
 475
 476         rflags =
 477             set_room_attr(rflags, "Preferred users only", QR_PREFONLY);
 478         rflags = set_room_attr(rflags, "Read-only room", QR_READONLY);
 479         rflags = set_room_attr(rflags, "Directory room", QR_DIRECTORY);
 480         rflags = set_room_attr(rflags, "Permanent room", QR_PERMANENT);
 481         if (rflags & QR_DIRECTORY) {
 482                 strprompt("Directory name", rdir, 14);
 483                 rflags =
 484                     set_room_attr(rflags, "Uploading allowed", QR_UPLOAD);
 485                 rflags =
 486                     set_room_attr(rflags, "Downloading allowed",
 487                                   QR_DOWNLOAD);
 488                 rflags =
 489                     set_room_attr(rflags, "Visible directory", QR_VISDIR);
 490         }
 491         rflags = set_room_attr(rflags, "Network shared room", QR_NETWORK);
 492         rflags = set_room_attr(rflags,
 493                                "Automatically make all messages anonymous",
 494                                QR_ANONONLY);
 495         if ((rflags & QR_ANONONLY) == 0) {
 496                 rflags = set_room_attr(rflags,
 497                                        "Ask users whether to make messages anonymous",
 498                                        QR_ANONOPT);
 499         }
 500         rorder = intprompt("Listing order", rorder, 1, 127);
 501
 502         /* Ask about the room aide */
 503         do {
 504                 strprompt("Room aide (or 'none')", raide, 29);
 505                 if (!strcasecmp(raide, "none")) {
 506                         strcpy(raide, "");
 507                         break;
 508                 } else {
 509                         r = CtdlIPCQueryUsername(raide, buf);
 510                         if (r / 100 != 2)
 511                                 scr_printf("%s\n", buf);
 512                 }
 513         } while (r / 100 != 2);
 514
 515         /* FIXME: Duplicate code??? */
 516         if (!strcasecmp(raide, "none")) {
 517                 strcpy(raide, "");
 518         }
 519
 520         /* Angels and demons dancing in my head... */
 521         do {
 522                 snprintf(buf, sizeof buf, "%d", expire_mode);
 523                 strprompt("Message expire policy (? for list)", buf, 1);
 524                 if (buf[0] == '?') {
 525                         scr_printf("\n"
 526                                 "0. Use the default for this floor\n"
 527                                 "1. Never automatically expire messages\n"
 528                                 "2. Expire by message count\n"
 529                                 "3. Expire by message age\n");
 530                 }
 531         } while ((buf[0] < 48) || (buf[0] > 51));
 532         expire_mode = buf[0] - 48;
 533
 534         /* ...lunatics and monsters underneath my bed */
 535         if (expire_mode == 2) {
 536                 snprintf(buf, sizeof buf, "%d", expire_value);
 537                 strprompt("Keep how many messages online?", buf, 10);
 538                 expire_value = atol(buf);
 539         }
 540
 541         if (expire_mode == 3) {
 542                 snprintf(buf, sizeof buf, "%d", expire_value);
 543                 strprompt("Keep messages for how many days?", buf, 10);
 544                 expire_value = atol(buf);
 545         }
 546
 547         /* Give 'em a chance to change their minds */
 548         scr_printf("Save changes (y/n)? ");
 549
 550         if (yesno() == 1) {
 551                 r = CtdlIPCSetRoomAide(raide, buf);
 552                 if (r != 2) {
 553                         scr_printf("%s\n", buf);
 554                 }
 555
 556                 r = CtdlIPCSetMessageExpirationPolicy(0, expire_mode,
 557                                                       expire_value, buf);
 558
 559                 snprintf(buf, sizeof buf, "SETR %s|%s|%s|%d|%d|%d|%d",
 560                          rname, rpass, rdir, rflags, rbump, rfloor,
 561                          rorder);
 562                 serv_puts(buf);
 563                 serv_gets(buf);
 564                 scr_printf("%s\n", &buf[4]);
 565                 if (buf[0] == '2')
 566                         dotgoto(rname, 2, 0);
 567         }
 568 }
 569
 570
 571 /*
 572  * un-goto the previous room
 573  */
 574 void ungoto(void)
 575 {
 576         char buf[SIZ];
 577
 578         if (uglistsize == 0)
 579                 return;
 580
 581         snprintf(buf, sizeof buf, "GOTO %s", uglist[uglistsize-1]);
 582         serv_puts(buf);
 583         serv_gets(buf);
 584         if (buf[0] != '2') {
 585                 scr_printf("%s\n", &buf[4]);
 586                 return;
 587         }
 588         snprintf(buf, sizeof buf, "SLRP %ld", uglistlsn[uglistsize-1]);
 589         serv_puts(buf);
 590         serv_gets(buf);
 591         if (buf[0] != '2') {
 592                 scr_printf("%s\n", &buf[4]);
 593         }
 594     safestrncpy (buf, uglist[uglistsize-1], sizeof(buf));
 595     uglistsize--;
 596     free(uglist[uglistsize]);
 597         dotgoto(buf, 0, 1); /* Don't queue ungoto info or we end up in a loop */
 598 }
 599
 600
 601 /* Here's the code for simply transferring the file to the client,
 602  * for folks who have their own clientware.  It's a lot simpler than
 603  * the [XYZ]modem code below...
 604  * (This function assumes that a download file is already open on the server)
 605  */
 606 void download_to_local_disk(char *supplied_filename, long total_bytes)
 607 {
 608         char buf[SIZ];
 609         char dbuf[4096];
 610         long transmitted_bytes = 0L;
 611         long aa, bb;
 612         FILE *savefp;
 613         int broken = 0;
 614         int packet;
 615         char filename[SIZ];
 616
 617         strcpy(filename, supplied_filename);
 618         if (strlen(filename) == 0) {
 619                 newprompt("Filename: ", filename, 250);
 620         }
 621
 622         scr_printf("Enter the name of the directory to save '%s'\n"
 623                 "to, or press return for the current directory.\n", filename);
 624         newprompt("Directory: ", dbuf, sizeof dbuf);
 625         if (strlen(dbuf) == 0)
 626                 strcpy(dbuf, ".");
 627         strcat(dbuf, "/");
 628         strcat(dbuf, filename);
 629
 630         savefp = fopen(dbuf, "w");
 631         if (savefp == NULL) {
 632                 scr_printf("Cannot open '%s': %s\n", dbuf, strerror(errno));
 633                 /* close the download file at the server */
 634                 serv_puts("CLOS");
 635                 serv_gets(buf);
 636                 if (buf[0] != '2') {
 637                         scr_printf("%s\n", &buf[4]);
 638                 }
 639                 return;
 640         }
 641         progress(0, total_bytes);
 642         while ((transmitted_bytes < total_bytes) && (broken == 0)) {
 643                 bb = total_bytes - transmitted_bytes;
 644                 aa = ((bb < 4096) ? bb : 4096);
 645                 snprintf(buf, sizeof buf, "READ %ld|%ld", transmitted_bytes, aa);
 646                 serv_puts(buf);
 647                 serv_gets(buf);
 648                 if (buf[0] != '6') {
 649                         scr_printf("%s\n", &buf[4]);
 650                         return;
 651                 }
 652                 packet = extract_int(&buf[4], 0);
 653                 serv_read(dbuf, packet);
 654                 if (fwrite(dbuf, packet, 1, savefp) < 1)
 655                         broken = 1;
 656                 transmitted_bytes = transmitted_bytes + (long) packet;
 657                 progress(transmitted_bytes, total_bytes);
 658         }
 659         fclose(savefp);
 660         /* close the download file at the server */
 661         serv_puts("CLOS");
 662         serv_gets(buf);
 663         if (buf[0] != '2') {
 664                 scr_printf("%s\n", &buf[4]);
 665         }
 666         return;
 667 }
 668
 669
 670 /*
 671  * download()  -  download a file or files.  The argument passed to this
 672  *                function determines which protocol to use.
 673  *  proto - 0 = paginate, 1 = xmodem, 2 = raw, 3 = ymodem, 4 = zmodem, 5 = save
 674  */
 675 void download(int proto)
 676 {
 677         char buf[SIZ];
 678         char filename[SIZ];
 679         char tempname[SIZ];
 680         char transmit_cmd[SIZ];
 681         long total_bytes = 0L;
 682         char dbuf[4096];
 683         long transmitted_bytes = 0L;
 684         long aa, bb;
 685         int packet;
 686         FILE *tpipe = NULL;
 687         int broken = 0;
 688
 689         if ((room_flags & QR_DOWNLOAD) == 0) {
 690                 scr_printf("*** You cannot download from this room.\n");
 691                 return;
 692         }
 693
 694         newprompt("Enter filename: ", filename, 255);
 695
 696         snprintf(buf, sizeof buf, "OPEN %s", filename);
 697         serv_puts(buf);
 698         serv_gets(buf);
 699         if (buf[0] != '2') {
 700                 scr_printf("%s\n", &buf[4]);
 701                 return;
 702         }
 703         total_bytes = extract_long(&buf[4], 0);
 704
 705         /* Save to local disk, for folks with their own copy of the client */
 706         if (proto == 5) {
 707                 download_to_local_disk(filename, total_bytes);
 708                 return;
 709         }
 710
 711         /* Meta-download for public clients */
 712         scr_printf("Fetching file from Citadel server...\n");
 713         mkdir(tempdir, 0700);
 714         snprintf(tempname, sizeof tempname, "%s/%s", tempdir, filename);
 715         tpipe = fopen(tempname, "wb");
 716         while ((transmitted_bytes < total_bytes) && (broken == 0)) {
 717                 progress(transmitted_bytes, total_bytes);
 718                 bb = total_bytes - transmitted_bytes;
 719                 aa = ((bb < 4096) ? bb : 4096);
 720                 snprintf(buf, sizeof buf, "READ %ld|%ld", transmitted_bytes, aa);
 721                 serv_puts(buf);
 722                 serv_gets(buf);
 723                 if (buf[0] != '6') {
 724                         scr_printf("%s\n", &buf[4]);
 725                 }
 726                 packet = extract_int(&buf[4], 0);
 727                 serv_read(dbuf, packet);
 728                 if (fwrite(dbuf, packet, 1, tpipe) < 1) {
 729                         broken = 1;
 730                 }
 731                 transmitted_bytes = transmitted_bytes + (long) packet;
 732         }
 733         fclose(tpipe);
 734         progress(transmitted_bytes, total_bytes);
 735
 736         /* close the download file at the server */
 737         serv_puts("CLOS");
 738         serv_gets(buf);
 739         if (buf[0] != '2') {
 740                 scr_printf("%s\n", &buf[4]);
 741         }
 742
 743         if (proto == 0) {
 744                 snprintf(transmit_cmd, sizeof transmit_cmd,
 745                         "SHELL=/dev/null; export SHELL; TERM=dumb; export TERM; exec more -d <%s",
 746                         tempname);
 747         }
 748         else if (proto == 1)
 749                 snprintf(transmit_cmd, sizeof transmit_cmd, "exec sx %s", tempname);
 750         else if (proto == 3)
 751                 snprintf(transmit_cmd, sizeof transmit_cmd, "exec sb %s", tempname);
 752         else if (proto == 4)
 753                 snprintf(transmit_cmd, sizeof transmit_cmd, "exec sz %s", tempname);
 754         else
 755                 snprintf(transmit_cmd, sizeof transmit_cmd, "exec cat %s", tempname);
 756
 757         screen_reset();
 758         sttybbs(SB_RESTORE);
 759         system(transmit_cmd);
 760         sttybbs(SB_NO_INTR);
 761         screen_set();
 762
 763         /* clean up the temporary directory */
 764         nukedir(tempdir);
 765         scr_putc(7);
 766 }
 767
 768
 769 /*
 770  * read directory of this room
 771  */
 772 void roomdir(void)
 773 {
 774         char flnm[SIZ];
 775         char flsz[32];
 776         char comment[SIZ];
 777         char buf[SIZ];
 778
 779         serv_puts("RDIR");
 780         serv_gets(buf);
 781         if (buf[0] != '1') {
 782                 pprintf("%s\n", &buf[4]);
 783                 return;
 784         }
 785
 786         extract(comment, &buf[4], 0);
 787         extract(flnm, &buf[4], 1);
 788         pprintf("\nDirectory of %s on %s\n", flnm, comment);
 789         pprintf("-----------------------\n");
 790         while (serv_gets(buf), strcmp(buf, "000")) {
 791                 extract(flnm, buf, 0);
 792                 extract(flsz, buf, 1);
 793                 extract(comment, buf, 2);
 794                 if (strlen(flnm) <= 14)
 795                         pprintf("%-14s %8s %s\n", flnm, flsz, comment);
 796                 else
 797                         pprintf("%s\n%14s %8s %s\n", flnm, "", flsz,
 798                                 comment);
 799         }
 800 }
 801
 802
 803 /*
 804  * add a user to a private room
 805  */
 806 void invite(void)
 807 {
 808         char username[USERNAME_SIZE];
 809         char buf[SIZ];
 810         int r;                          /* IPC response code */
 811
 812         newprompt("Name of user? ", username, USERNAME_SIZE);
 813         if (username[0] == 0)
 814                 return;
 815
 816         r = CtdlIPCInviteUserToRoom(username, buf);
 817         scr_printf("%s\n", buf);
 818 }
 819
 820
 821 /*
 822  * kick a user out of a room
 823  */
 824 void kickout(void)
 825 {
 826         char username[USERNAME_SIZE];
 827         char buf[SIZ];
 828         int r;                          /* IPC response code */
 829
 830         newprompt("Name of user? ", username, USERNAME_SIZE);
 831         if (username[0] == 0)
 832                 return;
 833
 834         r = CtdlIPCKickoutUserFromRoom(username, buf);
 835         scr_printf("%s\n", buf);
 836 }
 837
 838
 839 /*
 840  * aide command: kill the current room
 841  */
 842 void killroom(void)
 843 {
 844         char aaa[100];
 845         int r;
 846
 847         r = CtdlIPCDeleteRoom(0, aaa);
 848         if (r / 100 != 2) {
 849                 scr_printf("%s\n", aaa);
 850                 return;
 851         }
 852
 853         scr_printf("Are you sure you want to kill this room? ");
 854         if (yesno() == 0)
 855                 return;
 856
 857         r = CtdlIPCDeleteRoom(1, aaa);
 858         scr_printf("%s\n", aaa);
 859         if (r / 100 != 2)
 860                 return;
 861         dotgoto("_BASEROOM_", 0, 0);
 862 }
 863
 864 void forget(void)
 865 {                               /* forget the current room */
 866         char buf[SIZ];
 867
 868         scr_printf("Are you sure you want to forget this room? ");
 869         if (yesno() == 0)
 870                 return;
 871
 872         if (CtdlIPCForgetRoom(buf) / 100 != 2) {
 873                 scr_printf("%s\n", buf);
 874                 return;
 875         }
 876
 877         /* now return to the lobby */
 878         dotgoto("_BASEROOM_", 0, 0);
 879 }
 880
 881
 882 /*
 883  * create a new room
 884  */
 885 void entroom(void)
 886 {
 887         char buf[SIZ];
 888         char new_room_name[ROOMNAMELEN];
 889         int new_room_type;
 890         char new_room_pass[10];
 891         int new_room_floor;
 892         int a, b;
 893         int r;                          /* IPC response code */
 894
 895         /* Check permission to create room */
 896         r = CtdlIPCCreateRoom(0, "", 1, "", 0, buf);
 897         if (r / 100 != 2) {
 898                 scr_printf("%s\n", buf);
 899                 return;
 900         }
 901
 902         newprompt("Name for new room? ", new_room_name, ROOMNAMELEN - 1);
 903         if (strlen(new_room_name) == 0) {
 904                 return;
 905         }
 906         for (a = 0; a < strlen(new_room_name); ++a) {
 907                 if (new_room_name[a] == '|') {
 908                         new_room_name[a] = '_';
 909                 }
 910         }
 911
 912         new_room_floor = select_floor((int) curr_floor);
 913
 914         IFNEXPERT formout("roomaccess");
 915         do {
 916                 scr_printf("<?>Help\n<1>Public room\n<2>Guess-name room\n"
 917                        "<3>Passworded room\n<4>Invitation-only room\n"
 918                        "<5>Personal room\n"
 919                         "Enter room type: ");
 920                 do {
 921                         b = inkey();
 922                 } while (((b < '1') || (b > '5')) && (b != '?'));
 923                 if (b == '?') {
 924                         scr_printf("?\n");
 925                         formout("roomaccess");
 926                 }
 927         } while ((b < '1') || (b > '5'));
 928         b -= '0';                       /* Portable */
 929         scr_printf("%d\n", b);
 930         new_room_type = b - 1;
 931         if (new_room_type == 2) {
 932                 newprompt("Enter a room password: ", new_room_pass, 9);
 933                 for (a = 0; a < strlen(new_room_pass); ++a)
 934                         if (new_room_pass[a] == '|')
 935                                 new_room_pass[a] = '_';
 936         } else {
 937                 strcpy(new_room_pass, "");
 938         }
 939
 940         scr_printf("\042%s\042, a", new_room_name);
 941         if (b == 1)
 942                 scr_printf(" public room.");
 943         if (b == 2)
 944                 scr_printf(" guess-name room.");
 945         if (b == 3)
 946                 scr_printf(" passworded room, password: %s", new_room_pass);
 947         if (b == 4)
 948                 scr_printf("n invitation-only room.");
 949         if (b == 5)
 950                 scr_printf(" personal room.");
 951         scr_printf("\nInstall it? (y/n) : ");
 952         if (yesno() == 0) {
 953                 return;
 954         }
 955
 956         r = CtdlIPCCreateRoom(1, new_room_name, new_room_type,
 957                               new_room_pass, new_room_floor, buf);
 958         if (r / 100 != 2) {
 959                 scr_printf("%s\n", buf);
 960                 return;
 961         }
 962
 963         /* command succeeded... now GO to the new room! */
 964         dotgoto(new_room_name, 0, 0);
 965 }
 966
 967
 968
 969 void readinfo(void)
 970 {                               /* read info file for current room */
 971         char buf[SIZ];
 972         char raide[64];
 973         int r;                  /* IPC response code */
 974         char *text = NULL;
 975
 976         /* Name of currernt room aide */
 977         r = CtdlIPCGetRoomAide(buf);
 978         if (r / 100 == 2)
 979                 safestrncpy(raide, buf, sizeof raide);
 980         else
 981                 strcpy(raide, "");
 982
 983         if (strlen(raide) > 0)
 984                 scr_printf("Room aide is %s.\n\n", raide);
 985
 986         r = CtdlIPCRoomInfo(&text, buf);
 987         if (r / 100 != 1)
 988                 return;
 989
 990         if (text) {
 991                 fmout(screenwidth, NULL, text, NULL,
 992                       ((userflags & US_PAGINATOR) ? 1 : 0), screenheight,
 993                       (*raide) ? 2 : 0, 1);
 994                 free(text);
 995         }
 996 }
 997
 998
 999 /*
1000  * <W>ho knows room...
1001  */
1002 void whoknows(void)
1003 {
1004         char buf[SIZ];
1005         serv_puts("WHOK");
1006         serv_gets(buf);
1007         if (buf[0] != '1') {
1008                 pprintf("%s\n", &buf[4]);
1009                 return;
1010         }
1011         while (serv_gets(buf), strncmp(buf, "000", 3)) {
1012                 if (sigcaught == 0)
1013                         pprintf("%s\n", buf);
1014         }
1015 }
1016
1017
1018 void do_edit(char *desc, char *read_cmd, char *check_cmd, char *write_cmd)
1019 {
1020         FILE *fp;
1021         char cmd[SIZ];
1022         int b, cksum, editor_exit;
1023
1024
1025         if (strlen(editor_path) == 0) {
1026                 scr_printf("Do you wish to re-enter %s? ", desc);
1027                 if (yesno() == 0)
1028                         return;
1029         }
1030
1031         fp = fopen(temp, "w");
1032         fclose(fp);
1033
1034         serv_puts(check_cmd);
1035         serv_gets(cmd);
1036         if (cmd[0] != '2') {
1037                 scr_printf("%s\n", &cmd[4]);
1038                 return;
1039         }
1040
1041         if (strlen(editor_path) > 0) {
1042                 serv_puts(read_cmd);
1043                 serv_gets(cmd);
1044                 if (cmd[0] == '1') {
1045                         fp = fopen(temp, "w");
1046                         while (serv_gets(cmd), strcmp(cmd, "000")) {
1047                                 fprintf(fp, "%s\n", cmd);
1048                         }
1049                         fclose(fp);
1050                 }
1051         }
1052
1053         cksum = file_checksum(temp);
1054
1055         if (strlen(editor_path) > 0) {
1056                 char tmp[SIZ];
1057
1058                 snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", desc);
1059                 putenv(tmp);
1060                 editor_pid = fork();
1061                 if (editor_pid == 0) {
1062                         chmod(temp, 0600);
1063                         screen_reset();
1064                         sttybbs(SB_RESTORE);
1065                         execlp(editor_path, editor_path, temp, NULL);
1066                         exit(1);
1067                 }
1068                 if (editor_pid > 0)
1069                         do {
1070                                 editor_exit = 0;
1071                                 b = wait(&editor_exit);
1072                         } while ((b != editor_pid) && (b >= 0));
1073                 editor_pid = (-1);
1074                 scr_printf("Executed %s\n", editor_path);
1075                 sttybbs(0);
1076                 screen_set();
1077         } else {
1078                 scr_printf("Entering %s.  "
1079                         "Press return twice when finished.\n", desc);
1080                 fp = fopen(temp, "r+");
1081                 citedit(fp);
1082                 fclose(fp);
1083         }
1084
1085         if (file_checksum(temp) == cksum) {
1086                 scr_printf("*** Aborted.\n");
1087         }
1088
1089         else {
1090                 serv_puts(write_cmd);
1091                 serv_gets(cmd);
1092                 if (cmd[0] != '4') {
1093                         scr_printf("%s\n", &cmd[4]);
1094                         return;
1095                 }
1096
1097                 fp = fopen(temp, "r");
1098                 while (fgets(cmd, SIZ - 1, fp) != NULL) {
1099                         cmd[strlen(cmd) - 1] = 0;
1100                         serv_puts(cmd);
1101                 }
1102                 fclose(fp);
1103                 serv_puts("000");
1104         }
1105
1106         unlink(temp);
1107 }
1108
1109
1110 void enterinfo(void)
1111 {                               /* edit info file for current room */
1112         do_edit("the Info file for this room", "RINF", "EINF 0", "EINF 1");
1113 }
1114
1115 void enter_bio(void)
1116 {
1117         char cmd[SIZ];
1118         snprintf(cmd, sizeof cmd, "RBIO %s", fullname);
1119         do_edit("your Bio", cmd, "NOOP", "EBIO");
1120 }
1121
1122 /*
1123  * create a new floor
1124  */
1125 void create_floor(void)
1126 {
1127         char buf[SIZ];
1128         char newfloorname[SIZ];
1129         int r;                  /* IPC response code */
1130
1131         load_floorlist();
1132
1133         r = CtdlIPCCreateFloor(0, "", buf);
1134         if (r / 100 != 2) {
1135                 scr_printf("%s\n", buf);
1136                 return;
1137         }
1138
1139         newprompt("Name for new floor: ", newfloorname, 255);
1140         r = CtdlIPCCreateFloor(1, newfloorname, buf);
1141         if (r / 100 == 2) {
1142                 scr_printf("Floor has been created.\n");
1143         } else {
1144                 scr_printf("%s\n", buf);
1145         }
1146
1147         load_floorlist();
1148 }
1149
1150 /*
1151  * edit the current floor
1152  */
1153 void edit_floor(void)
1154 {
1155         char buf[SIZ];
1156         int expire_mode = 0;
1157         int expire_value = 0;
1158         int r;                          /* IPC response code */
1159
1160         load_floorlist();
1161
1162         /* Fetch the expire policy (this will silently fail on old servers,
1163          * resulting in "default" policy)
1164          */
1165         r = CtdlIPCGetMessageExpirationPolicy(1, buf);
1166         if (r / 100 == 2) {
1167                 expire_mode = extract_int(buf, 0);
1168                 expire_value = extract_int(buf, 1);
1169         }
1170
1171         /* Interact with the user */
1172         scr_printf("You are editing the floor called \"%s\"\n",
1173                 &floorlist[(int) curr_floor][0] );
1174         strprompt("Floor name", &floorlist[(int) curr_floor][0], 255);
1175
1176         /* Angels and demons dancing in my head... */
1177         do {
1178                 snprintf(buf, sizeof buf, "%d", expire_mode);
1179                 strprompt
1180                     ("Floor default message expire policy (? for list)",
1181                      buf, 1);
1182                 if (buf[0] == '?') {
1183                         scr_printf("\n"
1184                                 "0. Use the system default\n"
1185                                 "1. Never automatically expire messages\n"
1186                                 "2. Expire by message count\n"
1187                                 "3. Expire by message age\n");
1188                 }
1189         } while ((buf[0] < '0') || (buf[0] > '3'));
1190         expire_mode = buf[0] - '0';
1191
1192         /* ...lunatics and monsters underneath my bed */
1193         if (expire_mode == 2) {
1194                 snprintf(buf, sizeof buf, "%d", expire_value);
1195                 strprompt("Keep how many messages online?", buf, 10);
1196                 expire_value = atol(buf);
1197         }
1198
1199         if (expire_mode == 3) {
1200                 snprintf(buf, sizeof buf, "%d", expire_value);
1201                 strprompt("Keep messages for how many days?", buf, 10);
1202                 expire_value = atol(buf);
1203         }
1204
1205         /* Save it */
1206         r = CtdlIPCSetMessageExpirationPolicy(1, expire_mode,
1207                                               expire_value, buf);
1208         r = CtdlIPCEditFloor(curr_floor, &floorlist[(int)curr_floor][0], buf);
1209         scr_printf("%s\n", buf);
1210         load_floorlist();
1211 }
1212
1213
1214
1215
1216 /*
1217  * kill the current floor
1218  */
1219 void kill_floor(void)
1220 {
1221         int floornum_to_delete, a;
1222         char buf[SIZ];
1223
1224         load_floorlist();
1225         do {
1226                 floornum_to_delete = (-1);
1227                 scr_printf("(Press return to abort)\n");
1228                 newprompt("Delete which floor? ", buf, 255);
1229                 if (strlen(buf) == 0)
1230                         return;
1231                 for (a = 0; a < 128; ++a)
1232                         if (!strcasecmp(&floorlist[a][0], buf))
1233                                 floornum_to_delete = a;
1234                 if (floornum_to_delete < 0) {
1235                         scr_printf("No such floor.  Select one of:\n");
1236                         for (a = 0; a < 128; ++a)
1237                                 if (floorlist[a][0] != 0)
1238                                         scr_printf("%s\n", &floorlist[a][0]);
1239                 }
1240         } while (floornum_to_delete < 0);
1241         CtdlIPCDeleteFloor(1, floornum_to_delete, buf);
1242         scr_printf("%s\n", buf);
1243         load_floorlist();
1244 }