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 "citadel_decls.h"
  25 #include "rooms.h"
  26 #include "commands.h"
  27 #include "tools.h"
  28 #include "messages.h"
  29 #ifndef HAVE_SNPRINTF
  30 #include "snprintf.h"
  31 #endif
  32 #include "screen.h"
  33
  34 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  35
  36
  37 void sttybbs(int cmd);
  38 void hit_any_key(void);
  39 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto);
  40 void progress(long int curr, long int cmax);
  41 int pattern(char *search, char *patn);
  42 int file_checksum(char *filename);
  43 int nukedir(char *dirname);
  44
  45 extern unsigned room_flags;
  46 extern char room_name[];
  47 extern char temp[];
  48 extern char tempdir[];
  49 extern int editor_pid;
  50 extern char editor_path[];
  51 extern int screenwidth;
  52 extern int screenheight;
  53 extern char fullname[];
  54 extern char sigcaught;
  55 extern char floor_mode;
  56 extern char curr_floor;
  57
  58
  59 extern int ugnum;
  60 extern long uglsn;
  61 extern char *uglist[];
  62 extern long uglistlsn[];
  63 extern int uglistsize;
  64
  65 extern char floorlist[128][SIZ];
  66
  67
  68 void load_floorlist(CtdlIPC *ipc)
  69 {
  70         int a;
  71         char buf[SIZ];
  72         char *listing = NULL;
  73         int r;                  /* IPC response code */
  74
  75         for (a = 0; a < 128; ++a)
  76                 floorlist[a][0] = 0;
  77
  78         r = CtdlIPCFloorListing(ipc, &listing, buf);
  79         if (r / 100 != 1) {
  80                 strcpy(floorlist[0], "Main Floor");
  81                 return;
  82         }
  83         while (*listing && strlen(listing)) {
  84                 extract_token(buf, listing, 0, '\n');
  85                 remove_token(listing, 0, '\n');
  86                 extract(floorlist[extract_int(buf, 0)], buf, 1);
  87         }
  88         free(listing);
  89 }
  90
  91
  92 void room_tree_list(struct roomlisting *rp)
  93 {
  94         static int c = 0;
  95         char rmname[ROOMNAMELEN];
  96         int f;
  97
  98         if (rp == NULL) {
  99                 c = 1;
 100                 return;
 101         }
 102
 103         if (rp->lnext != NULL) {
 104                 room_tree_list(rp->lnext);
 105         }
 106
 107         if (sigcaught == 0) {
 108                 strcpy(rmname, rp->rlname);
 109                 f = rp->rlflags;
 110                 if ((c + strlen(rmname) + 4) > screenwidth) {
 111
 112                         /* line break, check the paginator */
 113                         pprintf("\n");
 114                         c = 1;
 115                 }
 116                 if (f & QR_MAILBOX) {
 117                         color(BRIGHT_YELLOW);
 118                 } else if (f & QR_PRIVATE) {
 119                         color(BRIGHT_RED);
 120                 } else {
 121                         color(DIM_WHITE);
 122                 }
 123                 pprintf("%s", rmname);
 124                 if ((f & QR_DIRECTORY) && (f & QR_NETWORK))
 125                         pprintf("}  ");
 126                 else if (f & QR_DIRECTORY)
 127                         pprintf("]  ");
 128                 else if (f & QR_NETWORK)
 129                         pprintf(")  ");
 130                 else
 131                         pprintf(">  ");
 132                 c = c + strlen(rmname) + 3;
 133         }
 134
 135         if (rp->rnext != NULL) {
 136                 room_tree_list(rp->rnext);
 137         }
 138
 139         free(rp);
 140 }
 141
 142
 143 /*
 144  * Room ordering stuff (compare first by floor, then by order)
 145  */
 146 int rordercmp(struct roomlisting *r1, struct roomlisting *r2)
 147 {
 148         if ((r1 == NULL) && (r2 == NULL))
 149                 return (0);
 150         if (r1 == NULL)
 151                 return (-1);
 152         if (r2 == NULL)
 153                 return (1);
 154         if (r1->rlfloor < r2->rlfloor)
 155                 return (-1);
 156         if (r1->rlfloor > r2->rlfloor)
 157                 return (1);
 158         if (r1->rlorder < r2->rlorder)
 159                 return (-1);
 160         if (r1->rlorder > r2->rlorder)
 161                 return (1);
 162         return (0);
 163 }
 164
 165
 166 /*
 167  * Common code for all room listings
 168  */
 169 void listrms(CtdlIPC *ipc, char *variety)
 170 {
 171         char buf[SIZ];
 172
 173         struct roomlisting *rl = NULL;
 174         struct roomlisting *rp;
 175         struct roomlisting *rs;
 176
 177
 178         /* Ask the server for a room list */
 179         CtdlIPC_putline(ipc, variety);
 180         CtdlIPC_getline(ipc, buf);
 181         if (buf[0] != '1') {
 182                 return;
 183         }
 184         while (CtdlIPC_getline(ipc, buf), strcmp(buf, "000")) {
 185                 rp = malloc(sizeof(struct roomlisting));
 186                 extract(rp->rlname, buf, 0);
 187                 rp->rlflags = extract_int(buf, 1);
 188                 rp->rlfloor = extract_int(buf, 2);
 189                 rp->rlorder = extract_int(buf, 3);
 190                 rp->lnext = NULL;
 191                 rp->rnext = NULL;
 192
 193                 rs = rl;
 194                 if (rl == NULL) {
 195                         rl = rp;
 196                 } else {
 197                         while (rp != NULL) {
 198                                 if (rordercmp(rp, rs) < 0) {
 199                                         if (rs->lnext == NULL) {
 200                                                 rs->lnext = rp;
 201                                                 rp = NULL;
 202                                         } else {
 203                                                 rs = rs->lnext;
 204                                         }
 205                                 } else {
 206                                         if (rs->rnext == NULL) {
 207                                                 rs->rnext = rp;
 208                                                 rp = NULL;
 209                                         } else {
 210                                                 rs = rs->rnext;
 211                                         }
 212                                 }
 213                         }
 214                 }
 215         }
 216
 217         room_tree_list(NULL);
 218         room_tree_list(rl);
 219         color(DIM_WHITE);
 220 }
 221
 222
 223 void list_other_floors(void)
 224 {
 225         int a, c;
 226
 227         c = 1;
 228         for (a = 0; a < 128; ++a) {
 229                 if ((strlen(floorlist[a]) > 0) && (a != curr_floor)) {
 230                         if ((c + strlen(floorlist[a]) + 4) > screenwidth) {
 231                                 pprintf("\n");
 232                                 c = 1;
 233                         }
 234                         pprintf("%s:  ", floorlist[a]);
 235                         c = c + strlen(floorlist[a]) + 3;
 236                 }
 237         }
 238 }
 239
 240
 241 /*
 242  * List known rooms.  kn_floor_mode should be set to 0 for a 'flat' listing,
 243  * 1 to list rooms on the current floor, or 1 to list rooms on all floors.
 244  */
 245 void knrooms(CtdlIPC *ipc, int kn_floor_mode)
 246 {
 247         char buf[SIZ];
 248         int a;
 249
 250         load_floorlist(ipc);
 251
 252         if (kn_floor_mode == 0) {
 253                 color(BRIGHT_CYAN);
 254                 pprintf("\n   Rooms with unread messages:\n");
 255                 listrms(ipc, "LKRN");
 256                 color(BRIGHT_CYAN);
 257                 pprintf("\n\n   No unseen messages in:\n");
 258                 listrms(ipc, "LKRO");
 259                 pprintf("\n");
 260         }
 261
 262         if (kn_floor_mode == 1) {
 263                 color(BRIGHT_CYAN);
 264                 pprintf("\n   Rooms with unread messages on %s:\n",
 265                         floorlist[(int) curr_floor]);
 266                 snprintf(buf, sizeof buf, "LKRN %d", curr_floor);
 267                 listrms(ipc, buf);
 268                 color(BRIGHT_CYAN);
 269                 pprintf("\n\n   Rooms with no new messages on %s:\n",
 270                         floorlist[(int) curr_floor]);
 271                 snprintf(buf, sizeof buf, "LKRO %d", curr_floor);
 272                 listrms(ipc, buf);
 273                 color(BRIGHT_CYAN);
 274                 pprintf("\n\n   Other floors:\n");
 275                 list_other_floors();
 276                 pprintf("\n");
 277         }
 278
 279         if (kn_floor_mode == 2) {
 280                 for (a = 0; a < 128; ++a) {
 281                         if (floorlist[a][0] != 0) {
 282                                 color(BRIGHT_CYAN);
 283                                 pprintf("\n   Rooms on %s:\n",
 284                                         floorlist[a]);
 285                                 snprintf(buf, sizeof buf, "LKRA %d", a);
 286                                 listrms(ipc, buf);
 287                                 pprintf("\n");
 288                         }
 289                 }
 290         }
 291
 292         color(DIM_WHITE);
 293         IFNEXPERT hit_any_key();
 294 }
 295
 296
 297 void listzrooms(CtdlIPC *ipc)
 298 {                               /* list public forgotten rooms */
 299         color(BRIGHT_CYAN);
 300         pprintf("\n   Forgotten public rooms:\n");
 301         listrms(ipc, "LZRM");
 302         pprintf("\n");
 303         color(DIM_WHITE);
 304         IFNEXPERT hit_any_key();
 305 }
 306
 307
 308 int set_room_attr(CtdlIPC *ipc, int ibuf, char *prompt, unsigned int sbit)
 309 {
 310         int a;
 311
 312         a = boolprompt(prompt, (ibuf & sbit));
 313         ibuf = (ibuf | sbit);
 314         if (!a) {
 315                 ibuf = (ibuf ^ sbit);
 316         }
 317         return (ibuf);
 318 }
 319
 320
 321
 322 /*
 323  * Select a floor (used in several commands)
 324  * The supplied argument is the 'default' floor number.
 325  * This function returns the selected floor number.
 326  */
 327 int select_floor(CtdlIPC *ipc, int rfloor)
 328 {
 329         int a, newfloor;
 330         char floorstr[SIZ];
 331
 332         if (floor_mode == 1) {
 333                 if (floorlist[(int) curr_floor][0] == 0) {
 334                         load_floorlist(ipc);
 335                 }
 336
 337                 do {
 338                         newfloor = (-1);
 339                         safestrncpy(floorstr, floorlist[rfloor],
 340                                     sizeof floorstr);
 341                         for (a = 0; a < 128; ++a) {
 342                                 if (!strcasecmp
 343                                     (floorstr, &floorlist[a][0]))
 344                                         newfloor = a;
 345                                 if ((newfloor < 0)
 346                                     &&
 347                                     (!strncasecmp
 348                                      (floorstr, &floorlist[a][0],
 349                                       strlen(floorstr))))
 350                                         newfloor = a;
 351                                 if ((newfloor < 0)
 352                                     && (pattern(&floorlist[a][0], floorstr)
 353                                         >= 0))
 354                                         newfloor = a;
 355                         }
 356                         if (newfloor < 0) {
 357                                 scr_printf("\n One of:\n");
 358                                 for (a = 0; a < 128; ++a) {
 359                                         if (floorlist[a][0] != 0) {
 360                                                 scr_printf("%s\n",
 361                                                        &floorlist[a][0]);
 362                                         }
 363                                 }
 364                         }
 365                 } while (newfloor < 0);
 366                 return (newfloor);
 367         }
 368         return (rfloor);
 369 }
 370
 371
 372
 373
 374 /*
 375  * .<A>ide <E>dit room
 376  */
 377 void editthisroom(CtdlIPC *ipc)
 378 {
 379         char rname[ROOMNAMELEN];
 380         char rpass[10];
 381         char rdir[15];
 382         unsigned rflags;
 383         unsigned rflags2;
 384         int rbump;
 385         char raide[32];
 386         char buf[SIZ];
 387         int rfloor;
 388         int rorder;
 389         int rview;
 390         int expire_mode = 0;
 391         int expire_value = 0;
 392         int r;                          /* IPC response code */
 393
 394         /* Fetch the existing room config */
 395         CtdlIPC_putline(ipc, "GETR");
 396         CtdlIPC_getline(ipc, buf);
 397         if (buf[0] != '2') {
 398                 scr_printf("%s\n", &buf[4]);
 399                 return;
 400         }
 401
 402         extract(rname, &buf[4], 0);
 403         extract(rpass, &buf[4], 1);
 404         extract(rdir, &buf[4], 2);
 405         rflags = extract_int(&buf[4], 3);
 406         rfloor = extract_int(&buf[4], 4);
 407         rorder = extract_int(&buf[4], 5);
 408         rview = extract_int(&buf[4], 6);
 409         rflags2 = extract_int(&buf[4], 7);
 410         rbump = 0;
 411
 412         /* Fetch the name of the current room aide */
 413         CtdlIPC_putline(ipc, "GETA");
 414         CtdlIPC_getline(ipc, buf);
 415         if (buf[0] == '2') {
 416                 safestrncpy(raide, &buf[4], sizeof raide);
 417         }
 418         else {
 419                 strcpy(raide, "");
 420         }
 421         if (strlen(raide) == 0) {
 422                 strcpy(raide, "none");
 423         }
 424
 425         /* Fetch the expire policy (this will silently fail on old servers,
 426          * resulting in "default" policy)
 427          */
 428         CtdlIPC_putline(ipc, "GPEX room");
 429         CtdlIPC_getline(ipc, buf);
 430         if (buf[0] == '2') {
 431                 expire_mode = extract_int(&buf[4], 0);
 432                 expire_value = extract_int(&buf[4], 1);
 433         }
 434
 435         /* Now interact with the user. */
 436
 437         rfloor = select_floor(ipc, rfloor);
 438         rflags = set_room_attr(ipc, rflags, "Private room", QR_PRIVATE);
 439         if (rflags & QR_PRIVATE) {
 440                 rflags = set_room_attr(ipc, rflags,
 441                                        "Accessible by guessing room name",
 442                                        QR_GUESSNAME);
 443         }
 444
 445         /* if it's public, clear the privacy classes */
 446         if ((rflags & QR_PRIVATE) == 0) {
 447                 if (rflags & QR_GUESSNAME) {
 448                         rflags = rflags - QR_GUESSNAME;
 449                 }
 450                 if (rflags & QR_PASSWORDED) {
 451                         rflags = rflags - QR_PASSWORDED;
 452                 }
 453         }
 454
 455         /* if it's private, choose the privacy classes */
 456         if ((rflags & QR_PRIVATE)
 457             && ((rflags & QR_GUESSNAME) == 0)) {
 458                 rflags = set_room_attr(ipc, rflags,
 459                                        "Accessible by entering a password",
 460                                        QR_PASSWORDED);
 461         }
 462         if ((rflags & QR_PRIVATE)
 463             && ((rflags & QR_PASSWORDED) == QR_PASSWORDED)) {
 464                 strprompt("Room password", rpass, 9);
 465         }
 466
 467         if ((rflags & QR_PRIVATE) == QR_PRIVATE) {
 468                 rbump =
 469                     boolprompt("Cause current users to forget room", 0);
 470         }
 471
 472         rflags =
 473             set_room_attr(ipc, rflags, "Preferred users only", QR_PREFONLY);
 474         rflags = set_room_attr(ipc, rflags, "Read-only room", QR_READONLY);
 475         rflags = set_room_attr(ipc, rflags, "Directory room", QR_DIRECTORY);
 476         rflags = set_room_attr(ipc, rflags, "Permanent room", QR_PERMANENT);
 477         if (rflags & QR_DIRECTORY) {
 478                 strprompt("Directory name", rdir, 14);
 479                 rflags =
 480                     set_room_attr(ipc, rflags, "Uploading allowed", QR_UPLOAD);
 481                 rflags =
 482                     set_room_attr(ipc, rflags, "Downloading allowed",
 483                                   QR_DOWNLOAD);
 484                 rflags =
 485                     set_room_attr(ipc, rflags, "Visible directory", QR_VISDIR);
 486         }
 487         rflags = set_room_attr(ipc, rflags, "Network shared room", QR_NETWORK);
 488         rflags2 = set_room_attr(ipc, rflags2,
 489                                 "Self-service list subscribe/unsubscribe",
 490                                 QR2_SELFLIST);
 491         rflags = set_room_attr(ipc, rflags,
 492                                "Automatically make all messages anonymous",
 493                                QR_ANONONLY);
 494         if ((rflags & QR_ANONONLY) == 0) {
 495                 rflags = set_room_attr(ipc, rflags,
 496                                        "Ask users whether to make messages anonymous",
 497                                        QR_ANONOPT);
 498         }
 499         rorder = intprompt("Listing order", rorder, 1, 127);
 500
 501         /* Ask about the room aide */
 502         do {
 503                 strprompt("Room aide (or 'none')", raide, 29);
 504                 if (!strcasecmp(raide, "none")) {
 505                         strcpy(raide, "");
 506                         break;
 507                 } else {
 508                         r = CtdlIPCQueryUsername(ipc, raide, buf);
 509                         if (r / 100 != 2)
 510                                 scr_printf("%s\n", buf);
 511                 }
 512         } while (r / 100 != 2);
 513
 514         /* FIXME: Duplicate code??? */
 515         if (!strcasecmp(raide, "none")) {
 516                 strcpy(raide, "");
 517         }
 518
 519         /* Angels and demons dancing in my head... */
 520         do {
 521                 snprintf(buf, sizeof buf, "%d", expire_mode);
 522                 strprompt("Message expire policy (? for list)", buf, 1);
 523                 if (buf[0] == '?') {
 524                         scr_printf("\n"
 525                                 "0. Use the default for this floor\n"
 526                                 "1. Never automatically expire messages\n"
 527                                 "2. Expire by message count\n"
 528                                 "3. Expire by message age\n");
 529                 }
 530         } while ((buf[0] < 48) || (buf[0] > 51));
 531         expire_mode = buf[0] - 48;
 532
 533         /* ...lunatics and monsters underneath my bed */
 534         if (expire_mode == 2) {
 535                 snprintf(buf, sizeof buf, "%d", expire_value);
 536                 strprompt("Keep how many messages online?", buf, 10);
 537                 expire_value = atol(buf);
 538         }
 539
 540         if (expire_mode == 3) {
 541                 snprintf(buf, sizeof buf, "%d", expire_value);
 542                 strprompt("Keep messages for how many days?", buf, 10);
 543                 expire_value = atol(buf);
 544         }
 545
 546         /* Give 'em a chance to change their minds */
 547         scr_printf("Save changes (y/n)? ");
 548
 549         if (yesno() == 1) {
 550                 r = CtdlIPCSetRoomAide(ipc, raide, buf);
 551                 if (r != 2) {
 552                         scr_printf("%s\n", buf);
 553                 }
 554
 555                 r = CtdlIPCSetMessageExpirationPolicy(ipc, 0, expire_mode,
 556                                                       expire_value, buf);
 557
 558                 snprintf(buf, sizeof buf, "SETR %s|%s|%s|%d|%d|%d|%d|%d|%d",
 559                          rname, rpass, rdir, rflags, rbump, rfloor,
 560                          rorder, rview, rflags2);
 561                 CtdlIPC_putline(ipc, buf);
 562                 CtdlIPC_getline(ipc, buf);
 563                 scr_printf("%s\n", &buf[4]);
 564                 if (buf[0] == '2')
 565                         dotgoto(ipc, rname, 2, 0);
 566         }
 567 }
 568
 569
 570 /*
 571  * un-goto the previous room
 572  */
 573 void ungoto(CtdlIPC *ipc)
 574 {
 575         char buf[SIZ];
 576
 577         if (uglistsize == 0)
 578                 return;
 579
 580         snprintf(buf, sizeof buf, "GOTO %s", uglist[uglistsize-1]);
 581         CtdlIPC_putline(ipc, buf);
 582         CtdlIPC_getline(ipc, buf);
 583         if (buf[0] != '2') {
 584                 scr_printf("%s\n", &buf[4]);
 585                 return;
 586         }
 587         snprintf(buf, sizeof buf, "SLRP %ld", uglistlsn[uglistsize-1]);
 588         CtdlIPC_putline(ipc, buf);
 589         CtdlIPC_getline(ipc, buf);
 590         if (buf[0] != '2') {
 591                 scr_printf("%s\n", &buf[4]);
 592         }
 593     safestrncpy (buf, uglist[uglistsize-1], sizeof(buf));
 594     uglistsize--;
 595     free(uglist[uglistsize]);
 596         /* Don't queue ungoto info or we end up in a loop */
 597         dotgoto(ipc, buf, 0, 1);
 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(CtdlIPC *ipc,
 607                 char *supplied_filename, long total_bytes)
 608 {
 609         char buf[SIZ];
 610         char dbuf[4096];
 611         long transmitted_bytes = 0L;
 612         long aa, bb;
 613         FILE *savefp;
 614         int broken = 0;
 615         int packet;
 616         char filename[SIZ];
 617
 618         strcpy(filename, supplied_filename);
 619         if (strlen(filename) == 0) {
 620                 newprompt("Filename: ", filename, 250);
 621         }
 622
 623         scr_printf("Enter the name of the directory to save '%s'\n"
 624                 "to, or press return for the current directory.\n", filename);
 625         newprompt("Directory: ", dbuf, sizeof dbuf);
 626         if (strlen(dbuf) == 0)
 627                 strcpy(dbuf, ".");
 628         strcat(dbuf, "/");
 629         strcat(dbuf, filename);
 630
 631         savefp = fopen(dbuf, "w");
 632         if (savefp == NULL) {
 633                 scr_printf("Cannot open '%s': %s\n", dbuf, strerror(errno));
 634                 /* close the download file at the server */
 635                 CtdlIPC_putline(ipc, "CLOS");
 636                 CtdlIPC_getline(ipc, buf);
 637                 if (buf[0] != '2') {
 638                         scr_printf("%s\n", &buf[4]);
 639                 }
 640                 return;
 641         }
 642         progress(0, total_bytes);
 643         while ((transmitted_bytes < total_bytes) && (broken == 0)) {
 644                 bb = total_bytes - transmitted_bytes;
 645                 aa = ((bb < 4096) ? bb : 4096);
 646                 snprintf(buf, sizeof buf, "READ %ld|%ld", transmitted_bytes, aa);
 647                 CtdlIPC_putline(ipc, buf);
 648                 CtdlIPC_getline(ipc, buf);
 649                 if (buf[0] != '6') {
 650                         scr_printf("%s\n", &buf[4]);
 651                         return;
 652                 }
 653                 packet = extract_int(&buf[4], 0);
 654                 serv_read(ipc, dbuf, packet);
 655                 if (fwrite(dbuf, packet, 1, savefp) < 1)
 656                         broken = 1;
 657                 transmitted_bytes = transmitted_bytes + (long) packet;
 658                 progress(transmitted_bytes, total_bytes);
 659         }
 660         fclose(savefp);
 661         /* close the download file at the server */
 662         CtdlIPC_putline(ipc, "CLOS");
 663         CtdlIPC_getline(ipc, buf);
 664         if (buf[0] != '2') {
 665                 scr_printf("%s\n", &buf[4]);
 666         }
 667         return;
 668 }
 669
 670
 671 /*
 672  * download()  -  download a file or files.  The argument passed to this
 673  *                function determines which protocol to use.
 674  *  proto - 0 = paginate, 1 = xmodem, 2 = raw, 3 = ymodem, 4 = zmodem, 5 = save
 675  */
 676 void download(CtdlIPC *ipc, int proto)
 677 {
 678         char buf[SIZ];
 679         char filename[SIZ];
 680         char tempname[SIZ];
 681         char transmit_cmd[SIZ];
 682         long total_bytes = 0L;
 683         char dbuf[4096];
 684         long transmitted_bytes = 0L;
 685         long aa, bb;
 686         int packet;
 687         FILE *tpipe = NULL;
 688         int broken = 0;
 689
 690         if ((room_flags & QR_DOWNLOAD) == 0) {
 691                 scr_printf("*** You cannot download from this room.\n");
 692                 return;
 693         }
 694
 695         newprompt("Enter filename: ", filename, 255);
 696
 697         snprintf(buf, sizeof buf, "OPEN %s", filename);
 698         CtdlIPC_putline(ipc, buf);
 699         CtdlIPC_getline(ipc, buf);
 700         if (buf[0] != '2') {
 701                 scr_printf("%s\n", &buf[4]);
 702                 return;
 703         }
 704         total_bytes = extract_long(&buf[4], 0);
 705
 706         /* Save to local disk, for folks with their own copy of the client */
 707         if (proto == 5) {
 708                 download_to_local_disk(ipc, filename, total_bytes);
 709                 return;
 710         }
 711
 712         /* Meta-download for public clients */
 713         scr_printf("Fetching file from Citadel server...\n");
 714         mkdir(tempdir, 0700);
 715         snprintf(tempname, sizeof tempname, "%s/%s", tempdir, filename);
 716         tpipe = fopen(tempname, "wb");
 717         while ((transmitted_bytes < total_bytes) && (broken == 0)) {
 718                 progress(transmitted_bytes, total_bytes);
 719                 bb = total_bytes - transmitted_bytes;
 720                 aa = ((bb < 4096) ? bb : 4096);
 721                 snprintf(buf, sizeof buf, "READ %ld|%ld", transmitted_bytes, aa);
 722                 CtdlIPC_putline(ipc, buf);
 723                 CtdlIPC_getline(ipc, buf);
 724                 if (buf[0] != '6') {
 725                         scr_printf("%s\n", &buf[4]);
 726                 }
 727                 packet = extract_int(&buf[4], 0);
 728                 serv_read(ipc, dbuf, packet);
 729                 if (fwrite(dbuf, packet, 1, tpipe) < 1) {
 730                         broken = 1;
 731                 }
 732                 transmitted_bytes = transmitted_bytes + (long) packet;
 733         }
 734         fclose(tpipe);
 735         progress(transmitted_bytes, total_bytes);
 736
 737         /* close the download file at the server */
 738         CtdlIPC_putline(ipc, "CLOS");
 739         CtdlIPC_getline(ipc, buf);
 740         if (buf[0] != '2') {
 741                 scr_printf("%s\n", &buf[4]);
 742         }
 743
 744         if (proto == 0) {
 745                 snprintf(transmit_cmd, sizeof transmit_cmd,
 746                         "SHELL=/dev/null; export SHELL; TERM=dumb; export TERM; exec more -d <%s",
 747                         tempname);
 748         }
 749         else if (proto == 1)
 750                 snprintf(transmit_cmd, sizeof transmit_cmd, "exec sx %s", tempname);
 751         else if (proto == 3)
 752                 snprintf(transmit_cmd, sizeof transmit_cmd, "exec sb %s", tempname);
 753         else if (proto == 4)
 754                 snprintf(transmit_cmd, sizeof transmit_cmd, "exec sz %s", tempname);
 755         else
 756                 snprintf(transmit_cmd, sizeof transmit_cmd, "exec cat %s", tempname);
 757
 758         screen_reset();
 759         sttybbs(SB_RESTORE);
 760         system(transmit_cmd);
 761         sttybbs(SB_NO_INTR);
 762         screen_set();
 763
 764         /* clean up the temporary directory */
 765         nukedir(tempdir);
 766         scr_putc(7);
 767 }
 768
 769
 770 /*
 771  * read directory of this room
 772  */
 773 void roomdir(CtdlIPC *ipc)
 774 {
 775         char flnm[SIZ];
 776         char flsz[32];
 777         char comment[SIZ];
 778         char buf[SIZ];
 779
 780         CtdlIPC_putline(ipc, "RDIR");
 781         CtdlIPC_getline(ipc, buf);
 782         if (buf[0] != '1') {
 783                 pprintf("%s\n", &buf[4]);
 784                 return;
 785         }
 786
 787         extract(comment, &buf[4], 0);
 788         extract(flnm, &buf[4], 1);
 789         pprintf("\nDirectory of %s on %s\n", flnm, comment);
 790         pprintf("-----------------------\n");
 791         while (CtdlIPC_getline(ipc, buf), strcmp(buf, "000")) {
 792                 extract(flnm, buf, 0);
 793                 extract(flsz, buf, 1);
 794                 extract(comment, buf, 2);
 795                 if (strlen(flnm) <= 14)
 796                         pprintf("%-14s %8s %s\n", flnm, flsz, comment);
 797                 else
 798                         pprintf("%s\n%14s %8s %s\n", flnm, "", flsz,
 799                                 comment);
 800         }
 801 }
 802
 803
 804 /*
 805  * add a user to a private room
 806  */
 807 void invite(CtdlIPC *ipc)
 808 {
 809         char username[USERNAME_SIZE];
 810         char buf[SIZ];
 811         int r;                          /* IPC response code */
 812
 813         newprompt("Name of user? ", username, USERNAME_SIZE);
 814         if (username[0] == 0)
 815                 return;
 816
 817         r = CtdlIPCInviteUserToRoom(ipc, username, buf);
 818         scr_printf("%s\n", buf);
 819 }
 820
 821
 822 /*
 823  * kick a user out of a room
 824  */
 825 void kickout(CtdlIPC *ipc)
 826 {
 827         char username[USERNAME_SIZE];
 828         char buf[SIZ];
 829         int r;                          /* IPC response code */
 830
 831         newprompt("Name of user? ", username, USERNAME_SIZE);
 832         if (username[0] == 0)
 833                 return;
 834
 835         r = CtdlIPCKickoutUserFromRoom(ipc, username, buf);
 836         scr_printf("%s\n", buf);
 837 }
 838
 839
 840 /*
 841  * aide command: kill the current room
 842  */
 843 void killroom(CtdlIPC *ipc)
 844 {
 845         char aaa[100];
 846         int r;
 847
 848         r = CtdlIPCDeleteRoom(ipc, 0, aaa);
 849         if (r / 100 != 2) {
 850                 scr_printf("%s\n", aaa);
 851                 return;
 852         }
 853
 854         scr_printf("Are you sure you want to kill this room? ");
 855         if (yesno() == 0)
 856                 return;
 857
 858         r = CtdlIPCDeleteRoom(ipc, 1, aaa);
 859         scr_printf("%s\n", aaa);
 860         if (r / 100 != 2)
 861                 return;
 862         dotgoto(ipc, "_BASEROOM_", 0, 0);
 863 }
 864
 865 void forget(CtdlIPC *ipc)
 866 {                               /* forget the current room */
 867         char buf[SIZ];
 868
 869         scr_printf("Are you sure you want to forget this room? ");
 870         if (yesno() == 0)
 871                 return;
 872
 873         if (CtdlIPCForgetRoom(ipc, buf) / 100 != 2) {
 874                 scr_printf("%s\n", buf);
 875                 return;
 876         }
 877
 878         /* now return to the lobby */
 879         dotgoto(ipc, "_BASEROOM_", 0, 0);
 880 }
 881
 882
 883 /*
 884  * create a new room
 885  */
 886 void entroom(CtdlIPC *ipc)
 887 {
 888         char buf[SIZ];
 889         char new_room_name[ROOMNAMELEN];
 890         int new_room_type;
 891         char new_room_pass[10];
 892         int new_room_floor;
 893         int a, b;
 894         int r;                          /* IPC response code */
 895
 896         /* Check permission to create room */
 897         r = CtdlIPCCreateRoom(ipc, 0, "", 1, "", 0, buf);
 898         if (r / 100 != 2) {
 899                 scr_printf("%s\n", buf);
 900                 return;
 901         }
 902
 903         newprompt("Name for new room? ", new_room_name, ROOMNAMELEN - 1);
 904         if (strlen(new_room_name) == 0) {
 905                 return;
 906         }
 907         for (a = 0; a < strlen(new_room_name); ++a) {
 908                 if (new_room_name[a] == '|') {
 909                         new_room_name[a] = '_';
 910                 }
 911         }
 912
 913         new_room_floor = select_floor(ipc, (int) curr_floor);
 914
 915         IFNEXPERT formout(ipc, "roomaccess");
 916         do {
 917                 scr_printf("<?>Help\n<1>Public room\n<2>Guess-name room\n"
 918                        "<3>Passworded room\n<4>Invitation-only room\n"
 919                        "<5>Personal room\n"
 920                         "Enter room type: ");
 921                 do {
 922                         b = inkey();
 923                 } while (((b < '1') || (b > '5')) && (b != '?'));
 924                 if (b == '?') {
 925                         scr_printf("?\n");
 926                         formout(ipc, "roomaccess");
 927                 }
 928         } while ((b < '1') || (b > '5'));
 929         b -= '0';                       /* Portable */
 930         scr_printf("%d\n", b);
 931         new_room_type = b - 1;
 932         if (new_room_type == 2) {
 933                 newprompt("Enter a room password: ", new_room_pass, 9);
 934                 for (a = 0; a < strlen(new_room_pass); ++a)
 935                         if (new_room_pass[a] == '|')
 936                                 new_room_pass[a] = '_';
 937         } else {
 938                 strcpy(new_room_pass, "");
 939         }
 940
 941         scr_printf("\042%s\042, a", new_room_name);
 942         if (b == 1)
 943                 scr_printf(" public room.");
 944         if (b == 2)
 945                 scr_printf(" guess-name room.");
 946         if (b == 3)
 947                 scr_printf(" passworded room, password: %s", new_room_pass);
 948         if (b == 4)
 949                 scr_printf("n invitation-only room.");
 950         if (b == 5)
 951                 scr_printf(" personal room.");
 952         scr_printf("\nInstall it? (y/n) : ");
 953         if (yesno() == 0) {
 954                 return;
 955         }
 956
 957         r = CtdlIPCCreateRoom(ipc, 1, new_room_name, new_room_type,
 958                               new_room_pass, new_room_floor, buf);
 959         if (r / 100 != 2) {
 960                 scr_printf("%s\n", buf);
 961                 return;
 962         }
 963
 964         /* command succeeded... now GO to the new room! */
 965         dotgoto(ipc, new_room_name, 0, 0);
 966 }
 967
 968
 969
 970 void readinfo(CtdlIPC *ipc)
 971 {                               /* read info file for current room */
 972         char buf[SIZ];
 973         char raide[64];
 974         int r;                  /* IPC response code */
 975         char *text = NULL;
 976
 977         /* Name of currernt room aide */
 978         r = CtdlIPCGetRoomAide(ipc, buf);
 979         if (r / 100 == 2)
 980                 safestrncpy(raide, buf, sizeof raide);
 981         else
 982                 strcpy(raide, "");
 983
 984         if (strlen(raide) > 0)
 985                 scr_printf("Room aide is %s.\n\n", raide);
 986
 987         r = CtdlIPCRoomInfo(ipc, &text, buf);
 988         if (r / 100 != 1)
 989                 return;
 990
 991         if (text) {
 992                 fmout(screenwidth, NULL, text, NULL,
 993                       ((userflags & US_PAGINATOR) ? 1 : 0), screenheight,
 994                       (*raide) ? 2 : 0, 1);
 995                 free(text);
 996         }
 997 }
 998
 999
1000 /*
1001  * <W>ho knows room...
1002  */
1003 void whoknows(CtdlIPC *ipc)
1004 {
1005         char buf[SIZ];
1006         CtdlIPC_putline(ipc, "WHOK");
1007         CtdlIPC_getline(ipc, buf);
1008         if (buf[0] != '1') {
1009                 pprintf("%s\n", &buf[4]);
1010                 return;
1011         }
1012         while (CtdlIPC_getline(ipc, buf), strncmp(buf, "000", 3)) {
1013                 if (sigcaught == 0)
1014                         pprintf("%s\n", buf);
1015         }
1016 }
1017
1018
1019 void do_edit(CtdlIPC *ipc,
1020                 char *desc, char *read_cmd, char *check_cmd, char *write_cmd)
1021 {
1022         FILE *fp;
1023         char cmd[SIZ];
1024         int b, cksum, editor_exit;
1025
1026
1027         if (strlen(editor_path) == 0) {
1028                 scr_printf("Do you wish to re-enter %s? ", desc);
1029                 if (yesno() == 0)
1030                         return;
1031         }
1032
1033         fp = fopen(temp, "w");
1034         fclose(fp);
1035
1036         CtdlIPC_putline(ipc, check_cmd);
1037         CtdlIPC_getline(ipc, cmd);
1038         if (cmd[0] != '2') {
1039                 scr_printf("%s\n", &cmd[4]);
1040                 return;
1041         }
1042
1043         if (strlen(editor_path) > 0) {
1044                 CtdlIPC_putline(ipc, read_cmd);
1045                 CtdlIPC_getline(ipc, cmd);
1046                 if (cmd[0] == '1') {
1047                         fp = fopen(temp, "w");
1048                         while (CtdlIPC_getline(ipc, cmd), strcmp(cmd, "000")) {
1049                                 fprintf(fp, "%s\n", cmd);
1050                         }
1051                         fclose(fp);
1052                 }
1053         }
1054
1055         cksum = file_checksum(temp);
1056
1057         if (strlen(editor_path) > 0) {
1058                 char tmp[SIZ];
1059
1060                 snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", desc);
1061                 putenv(tmp);
1062                 editor_pid = fork();
1063                 if (editor_pid == 0) {
1064                         chmod(temp, 0600);
1065                         screen_reset();
1066                         sttybbs(SB_RESTORE);
1067                         execlp(editor_path, editor_path, temp, NULL);
1068                         exit(1);
1069                 }
1070                 if (editor_pid > 0)
1071                         do {
1072                                 editor_exit = 0;
1073                                 b = wait(&editor_exit);
1074                         } while ((b != editor_pid) && (b >= 0));
1075                 editor_pid = (-1);
1076                 scr_printf("Executed %s\n", editor_path);
1077                 sttybbs(0);
1078                 screen_set();
1079         } else {
1080                 scr_printf("Entering %s.  "
1081                         "Press return twice when finished.\n", desc);
1082                 fp = fopen(temp, "r+");
1083                 citedit(ipc, fp);
1084                 fclose(fp);
1085         }
1086
1087         if (file_checksum(temp) == cksum) {
1088                 scr_printf("*** Aborted.\n");
1089         }
1090
1091         else {
1092                 CtdlIPC_putline(ipc, write_cmd);
1093                 CtdlIPC_getline(ipc, cmd);
1094                 if (cmd[0] != '4') {
1095                         scr_printf("%s\n", &cmd[4]);
1096                         return;
1097                 }
1098
1099                 fp = fopen(temp, "r");
1100                 while (fgets(cmd, SIZ - 1, fp) != NULL) {
1101                         cmd[strlen(cmd) - 1] = 0;
1102                         CtdlIPC_putline(ipc, cmd);
1103                 }
1104                 fclose(fp);
1105                 CtdlIPC_putline(ipc, "000");
1106         }
1107
1108         unlink(temp);
1109 }
1110
1111
1112 void enterinfo(CtdlIPC *ipc)
1113 {                               /* edit info file for current room */
1114         do_edit(ipc, "the Info file for this room", "RINF", "EINF 0", "EINF 1");
1115 }
1116
1117 void enter_bio(CtdlIPC *ipc)
1118 {
1119         char cmd[SIZ];
1120         snprintf(cmd, sizeof cmd, "RBIO %s", fullname);
1121         do_edit(ipc, "your Bio", cmd, "NOOP", "EBIO");
1122 }
1123
1124 /*
1125  * create a new floor
1126  */
1127 void create_floor(CtdlIPC *ipc)
1128 {
1129         char buf[SIZ];
1130         char newfloorname[SIZ];
1131         int r;                  /* IPC response code */
1132
1133         load_floorlist(ipc);
1134
1135         r = CtdlIPCCreateFloor(ipc, 0, "", buf);
1136         if (r / 100 != 2) {
1137                 scr_printf("%s\n", buf);
1138                 return;
1139         }
1140
1141         newprompt("Name for new floor: ", newfloorname, 255);
1142         r = CtdlIPCCreateFloor(ipc, 1, newfloorname, buf);
1143         if (r / 100 == 2) {
1144                 scr_printf("Floor has been created.\n");
1145         } else {
1146                 scr_printf("%s\n", buf);
1147         }
1148
1149         load_floorlist(ipc);
1150 }
1151
1152 /*
1153  * edit the current floor
1154  */
1155 void edit_floor(CtdlIPC *ipc)
1156 {
1157         char buf[SIZ];
1158         int expire_mode = 0;
1159         int expire_value = 0;
1160         int r;                          /* IPC response code */
1161
1162         load_floorlist(ipc);
1163
1164         /* Fetch the expire policy (this will silently fail on old servers,
1165          * resulting in "default" policy)
1166          */
1167         r = CtdlIPCGetMessageExpirationPolicy(ipc, 1, buf);
1168         if (r / 100 == 2) {
1169                 expire_mode = extract_int(buf, 0);
1170                 expire_value = extract_int(buf, 1);
1171         }
1172
1173         /* Interact with the user */
1174         scr_printf("You are editing the floor called \"%s\"\n",
1175                 &floorlist[(int) curr_floor][0] );
1176         strprompt("Floor name", &floorlist[(int) curr_floor][0], 255);
1177
1178         /* Angels and demons dancing in my head... */
1179         do {
1180                 snprintf(buf, sizeof buf, "%d", expire_mode);
1181                 strprompt
1182                     ("Floor default message expire policy (? for list)",
1183                      buf, 1);
1184                 if (buf[0] == '?') {
1185                         scr_printf("\n"
1186                                 "0. Use the system default\n"
1187                                 "1. Never automatically expire messages\n"
1188                                 "2. Expire by message count\n"
1189                                 "3. Expire by message age\n");
1190                 }
1191         } while ((buf[0] < '0') || (buf[0] > '3'));
1192         expire_mode = buf[0] - '0';
1193
1194         /* ...lunatics and monsters underneath my bed */
1195         if (expire_mode == 2) {
1196                 snprintf(buf, sizeof buf, "%d", expire_value);
1197                 strprompt("Keep how many messages online?", buf, 10);
1198                 expire_value = atol(buf);
1199         }
1200
1201         if (expire_mode == 3) {
1202                 snprintf(buf, sizeof buf, "%d", expire_value);
1203                 strprompt("Keep messages for how many days?", buf, 10);
1204                 expire_value = atol(buf);
1205         }
1206
1207         /* Save it */
1208         r = CtdlIPCSetMessageExpirationPolicy(ipc, 1, expire_mode,
1209                                               expire_value, buf);
1210         r = CtdlIPCEditFloor(ipc, curr_floor, &floorlist[(int)curr_floor][0], buf);
1211         scr_printf("%s\n", buf);
1212         load_floorlist(ipc);
1213 }
1214
1215
1216
1217
1218 /*
1219  * kill the current floor
1220  */
1221 void kill_floor(CtdlIPC *ipc)
1222 {
1223         int floornum_to_delete, a;
1224         char buf[SIZ];
1225
1226         load_floorlist(ipc);
1227         do {
1228                 floornum_to_delete = (-1);
1229                 scr_printf("(Press return to abort)\n");
1230                 newprompt("Delete which floor? ", buf, 255);
1231                 if (strlen(buf) == 0)
1232                         return;
1233                 for (a = 0; a < 128; ++a)
1234                         if (!strcasecmp(&floorlist[a][0], buf))
1235                                 floornum_to_delete = a;
1236                 if (floornum_to_delete < 0) {
1237                         scr_printf("No such floor.  Select one of:\n");
1238                         for (a = 0; a < 128; ++a)
1239                                 if (floorlist[a][0] != 0)
1240                                         scr_printf("%s\n", &floorlist[a][0]);
1241                 }
1242         } while (floornum_to_delete < 0);
1243         CtdlIPCDeleteFloor(ipc, 1, floornum_to_delete, buf);
1244         scr_printf("%s\n", buf);
1245         load_floorlist(ipc);
1246 }