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(unsigned long curr, unsigned long 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 static void listrms(CtdlIPC *ipc, enum RoomList variety, int floor)
 170 {
 171         char buf[SIZ];
 172         struct march *listing = NULL;
 173         struct march *tmp = NULL;
 174         struct roomlisting *rl = NULL;
 175         struct roomlisting *rp;
 176         struct roomlisting *rs;
 177         int r;          /* IPC response code */
 178
 179         /* Ask the server for a room list */
 180         r = CtdlIPCKnownRooms(ipc, variety, floor, &listing, buf);
 181         if (r / 100 != 1) {
 182                 return;
 183         }
 184         while (listing) {
 185                 rp = malloc(sizeof(struct roomlisting));
 186                 strncpy(rp->rlname, listing->march_name, ROOMNAMELEN);
 187                 rp->rlflags = listing->march_flags;
 188                 rp->rlfloor = listing->march_floor;
 189                 rp->rlorder = listing->march_order;
 190                 rp->lnext = NULL;
 191                 rp->rnext = NULL;
 192
 193                 tmp = listing->next;
 194                 free(listing);
 195                 listing = tmp;
 196
 197                 rs = rl;
 198                 if (rl == NULL) {
 199                         rl = rp;
 200                 } else {
 201                         while (rp != NULL) {
 202                                 if (rordercmp(rp, rs) < 0) {
 203                                         if (rs->lnext == NULL) {
 204                                                 rs->lnext = rp;
 205                                                 rp = NULL;
 206                                         } else {
 207                                                 rs = rs->lnext;
 208                                         }
 209                                 } else {
 210                                         if (rs->rnext == NULL) {
 211                                                 rs->rnext = rp;
 212                                                 rp = NULL;
 213                                         } else {
 214                                                 rs = rs->rnext;
 215                                         }
 216                                 }
 217                         }
 218                 }
 219         }
 220
 221         room_tree_list(NULL);
 222         room_tree_list(rl);
 223         color(DIM_WHITE);
 224 }
 225
 226
 227 void list_other_floors(void)
 228 {
 229         int a, c;
 230
 231         c = 1;
 232         for (a = 0; a < 128; ++a) {
 233                 if ((strlen(floorlist[a]) > 0) && (a != curr_floor)) {
 234                         if ((c + strlen(floorlist[a]) + 4) > screenwidth) {
 235                                 pprintf("\n");
 236                                 c = 1;
 237                         }
 238                         pprintf("%s:  ", floorlist[a]);
 239                         c = c + strlen(floorlist[a]) + 3;
 240                 }
 241         }
 242 }
 243
 244
 245 /*
 246  * List known rooms.  kn_floor_mode should be set to 0 for a 'flat' listing,
 247  * 1 to list rooms on the current floor, or 1 to list rooms on all floors.
 248  */
 249 void knrooms(CtdlIPC *ipc, int kn_floor_mode)
 250 {
 251         int a;
 252
 253         load_floorlist(ipc);
 254
 255         if (kn_floor_mode == 0) {
 256                 color(BRIGHT_CYAN);
 257                 pprintf("\n   Rooms with unread messages:\n");
 258                 listrms(ipc, SubscribedRoomsWithNewMessages, -1);
 259                 color(BRIGHT_CYAN);
 260                 pprintf("\n\n   No unseen messages in:\n");
 261                 listrms(ipc, SubscribedRoomsWithNoNewMessages, -1);
 262                 pprintf("\n");
 263         }
 264
 265         if (kn_floor_mode == 1) {
 266                 color(BRIGHT_CYAN);
 267                 pprintf("\n   Rooms with unread messages on %s:\n",
 268                         floorlist[(int) curr_floor]);
 269                 listrms(ipc, SubscribedRoomsWithNewMessages, curr_floor);
 270                 color(BRIGHT_CYAN);
 271                 pprintf("\n\n   Rooms with no new messages on %s:\n",
 272                         floorlist[(int) curr_floor]);
 273                 listrms(ipc, SubscribedRoomsWithNoNewMessages, curr_floor);
 274                 color(BRIGHT_CYAN);
 275                 pprintf("\n\n   Other floors:\n");
 276                 list_other_floors();
 277                 pprintf("\n");
 278         }
 279
 280         if (kn_floor_mode == 2) {
 281                 for (a = 0; a < 128; ++a) {
 282                         if (floorlist[a][0] != 0) {
 283                                 color(BRIGHT_CYAN);
 284                                 pprintf("\n   Rooms on %s:\n",
 285                                         floorlist[a]);
 286                                 listrms(ipc, AllAccessibleRooms, a);
 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, UnsubscribedRooms, -1);
 302         pprintf("\n");
 303         color(DIM_WHITE);
 304         IFNEXPERT hit_any_key();
 305 }
 306
 307
 308 int set_room_attr(CtdlIPC *ipc, unsigned 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                         strprompt("Which floor", floorstr, 255);
 342                         for (a = 0; a < 128; ++a) {
 343                                 if (!strcasecmp
 344                                     (floorstr, &floorlist[a][0]))
 345                                         newfloor = a;
 346                                 if ((newfloor < 0)
 347                                     &&
 348                                     (!strncasecmp
 349                                      (floorstr, &floorlist[a][0],
 350                                       strlen(floorstr))))
 351                                         newfloor = a;
 352                                 if ((newfloor < 0)
 353                                     && (pattern(&floorlist[a][0], floorstr)
 354                                         >= 0))
 355                                         newfloor = a;
 356                         }
 357                         if (newfloor < 0) {
 358                                 scr_printf("\n One of:\n");
 359                                 for (a = 0; a < 128; ++a) {
 360                                         if (floorlist[a][0] != 0) {
 361                                                 scr_printf("%s\n",
 362                                                        &floorlist[a][0]);
 363                                         }
 364                                 }
 365                         }
 366                 } while (newfloor < 0);
 367                 return (newfloor);
 368         }
 369
 370         else {
 371                 scr_printf("Floor selection bypassed because you have "
 372                         "floor mode disabled.\n");
 373         }
 374
 375         return (rfloor);
 376 }
 377
 378
 379
 380
 381 /*
 382  * .<A>ide <E>dit room
 383  */
 384 void editthisroom(CtdlIPC *ipc)
 385 {
 386         int rbump = 0;
 387         char raide[USERNAME_SIZE];
 388         char buf[SIZ];
 389         struct quickroom *attr = NULL;
 390         struct ExpirePolicy *eptr = NULL;
 391         int r;                          /* IPC response code */
 392
 393         /* Fetch the existing room config */
 394         r = CtdlIPCGetRoomAttributes(ipc, &attr, buf);
 395         if (r / 100 != 2) {
 396                 scr_printf("%s\n", buf);
 397                 return;
 398         }
 399         eptr = &(attr->QRep);
 400
 401         /* Fetch the name of the current room aide */
 402         r = CtdlIPCGetRoomAide(ipc, buf);
 403         if (r / 100 == 2) {
 404                 safestrncpy(raide, buf, sizeof raide);
 405         } else {
 406                 strcpy(raide, "");
 407         }
 408         if (strlen(raide) == 0) {
 409                 strcpy(raide, "none");
 410         }
 411
 412         /* Fetch the expire policy (this will silently fail on old servers,
 413          * resulting in "default" policy)
 414          */
 415         r = CtdlIPCGetMessageExpirationPolicy(ipc, 0, &eptr, buf);
 416
 417         /* Now interact with the user. */
 418
 419         strprompt("Room name", attr->QRname, ROOMNAMELEN-1);
 420         attr->QRfloor = select_floor(ipc, attr->QRfloor);
 421         attr->QRflags = set_room_attr(ipc, attr->QRflags, "Private room", QR_PRIVATE);
 422         if (attr->QRflags & QR_PRIVATE) {
 423                 attr->QRflags = set_room_attr(ipc, attr->QRflags,
 424                                        "Accessible by guessing room name",
 425                                        QR_GUESSNAME);
 426         }
 427
 428         /* if it's public, clear the privacy classes */
 429         if ((attr->QRflags & QR_PRIVATE) == 0) {
 430                 if (attr->QRflags & QR_GUESSNAME) {
 431                         attr->QRflags = attr->QRflags - QR_GUESSNAME;
 432                 }
 433                 if (attr->QRflags & QR_PASSWORDED) {
 434                         attr->QRflags = attr->QRflags - QR_PASSWORDED;
 435                 }
 436         }
 437
 438         /* if it's private, choose the privacy classes */
 439         if ((attr->QRflags & QR_PRIVATE)
 440             && ((attr->QRflags & QR_GUESSNAME) == 0)) {
 441                 attr->QRflags = set_room_attr(ipc, attr->QRflags,
 442                                        "Accessible by entering a password",
 443                                        QR_PASSWORDED);
 444         }
 445         if ((attr->QRflags & QR_PRIVATE)
 446             && ((attr->QRflags & QR_PASSWORDED) == QR_PASSWORDED)) {
 447                 strprompt("Room password", attr->QRpasswd, 9);
 448         }
 449
 450         if ((attr->QRflags & QR_PRIVATE) == QR_PRIVATE) {
 451                 rbump = boolprompt("Cause current users to forget room", 0);
 452         }
 453
 454         attr->QRflags = set_room_attr(ipc, attr->QRflags,
 455                                         "Preferred users only", QR_PREFONLY);
 456         attr->QRflags = set_room_attr(ipc, attr->QRflags,
 457                                         "Read-only room", QR_READONLY);
 458         attr->QRflags = set_room_attr(ipc, attr->QRflags,
 459                                         "Directory room", QR_DIRECTORY);
 460         attr->QRflags = set_room_attr(ipc, attr->QRflags,
 461                                         "Permanent room", QR_PERMANENT);
 462         if (attr->QRflags & QR_DIRECTORY) {
 463                 strprompt("Directory name", attr->QRdirname, 14);
 464                 attr->QRflags =
 465                     set_room_attr(ipc, attr->QRflags,
 466                                                 "Uploading allowed", QR_UPLOAD);
 467                 attr->QRflags =
 468                     set_room_attr(ipc, attr->QRflags, "Downloading allowed",
 469                                   QR_DOWNLOAD);
 470                 attr->QRflags =
 471                     set_room_attr(ipc, attr->QRflags,
 472                                                 "Visible directory", QR_VISDIR);
 473         }
 474         attr->QRflags = set_room_attr(ipc, attr->QRflags,
 475                                         "Network shared room", QR_NETWORK);
 476         attr->QRflags2 = set_room_attr(ipc, attr->QRflags2,
 477                                 "Self-service list subscribe/unsubscribe",
 478                                 QR2_SELFLIST);
 479         attr->QRflags = set_room_attr(ipc, attr->QRflags,
 480                                "Automatically make all messages anonymous",
 481                                QR_ANONONLY);
 482         if ((attr->QRflags & QR_ANONONLY) == 0) {
 483                 attr->QRflags = set_room_attr(ipc, attr->QRflags,
 484                                        "Ask users whether to make messages anonymous",
 485                                        QR_ANONOPT);
 486         }
 487         attr->QRorder = intprompt("Listing order", attr->QRorder, 1, 127);
 488
 489         /* Ask about the room aide */
 490         do {
 491                 strprompt("Room aide (or 'none')", raide, 29);
 492                 if (!strcasecmp(raide, "none")) {
 493                         strcpy(raide, "");
 494                         break;
 495                 } else {
 496                         r = CtdlIPCQueryUsername(ipc, raide, buf);
 497                         if (r / 100 != 2)
 498                                 scr_printf("%s\n", buf);
 499                 }
 500         } while (r / 100 != 2);
 501
 502         /* FIXME: Duplicate code??? */
 503         if (!strcasecmp(raide, "none")) {
 504                 strcpy(raide, "");
 505         }
 506
 507         /* Angels and demons dancing in my head... */
 508         do {
 509                 snprintf(buf, sizeof buf, "%d", attr->QRep.expire_mode);
 510                 strprompt("Message expire policy (? for list)", buf, 1);
 511                 if (buf[0] == '?') {
 512                         scr_printf("\n"
 513                                 "0. Use the default for this floor\n"
 514                                 "1. Never automatically expire messages\n"
 515                                 "2. Expire by message count\n"
 516                                 "3. Expire by message age\n");
 517                 }
 518         } while ((buf[0] < 48) || (buf[0] > 51));
 519         attr->QRep.expire_mode = buf[0] - 48;
 520
 521         /* ...lunatics and monsters underneath my bed */
 522         if (attr->QRep.expire_mode == 2) {
 523                 snprintf(buf, sizeof buf, "%d", attr->QRep.expire_value);
 524                 strprompt("Keep how many messages online?", buf, 10);
 525                 attr->QRep.expire_value = atol(buf);
 526         }
 527
 528         if (attr->QRep.expire_mode == 3) {
 529                 snprintf(buf, sizeof buf, "%d", attr->QRep.expire_value);
 530                 strprompt("Keep messages for how many days?", buf, 10);
 531                 attr->QRep.expire_value = atol(buf);
 532         }
 533
 534         /* Give 'em a chance to change their minds */
 535         scr_printf("Save changes (y/n)? ");
 536
 537         if (yesno() == 1) {
 538                 r = CtdlIPCSetRoomAide(ipc, raide, buf);
 539                 if (r / 100 != 2) {
 540                         scr_printf("%s\n", buf);
 541                 }
 542
 543                 r = CtdlIPCSetMessageExpirationPolicy(ipc, 0, eptr, buf);
 544                 if (r / 100 != 2) {
 545                         scr_printf("%s\n", buf);
 546                 }
 547
 548                 r = CtdlIPCSetRoomAttributes(ipc, rbump, attr, buf);
 549                 scr_printf("%s\n", buf);
 550                 strncpy(buf, attr->QRname, ROOMNAMELEN);
 551                 free(attr);
 552                 if (r / 100 == 2)
 553                         dotgoto(ipc, buf, 2, 0);
 554         }
 555         else free(attr);
 556 }
 557
 558
 559 /*
 560  * un-goto the previous room
 561  */
 562 void ungoto(CtdlIPC *ipc)
 563 {
 564         char buf[SIZ];
 565         struct ctdlipcroom *rret = NULL;        /* ignored */
 566         int r;
 567
 568         if (uglistsize == 0)
 569                 return;
 570
 571         r = CtdlIPCGotoRoom(ipc, uglist[uglistsize-1], "", &rret, buf);
 572         if (rret) free(rret);   /* ignored */
 573         if (r / 100 != 2) {
 574                 scr_printf("%s\n", buf);
 575                 return;
 576         }
 577         r = CtdlIPCSetLastRead(ipc, uglistlsn[uglistsize-1], buf);
 578         if (r / 100 != 2) {
 579                 scr_printf("%s\n", buf);
 580         }
 581         safestrncpy(buf, uglist[uglistsize-1], sizeof(buf));
 582         uglistsize--;
 583         free(uglist[uglistsize]);
 584         /* Don't queue ungoto info or we end up in a loop */
 585         dotgoto(ipc, buf, 0, 1);
 586 }
 587
 588
 589 /*
 590  * saves filelen bytes from file at pathname
 591  */
 592 int save_buffer(void *file, size_t filelen, const char *pathname)
 593 {
 594         size_t block = 0;
 595         size_t bytes_written = 0;
 596         FILE *fp;
 597
 598         fp = fopen(pathname, "w");
 599         if (!fp) {
 600                 err_printf("Cannot open '%s': %s\n", pathname, strerror(errno));
 601                 return 0;
 602         }
 603         do {
 604                 block = fwrite(file + bytes_written, 1,
 605                                 filelen - bytes_written, fp);
 606                 bytes_written += block;
 607         } while (errno == EINTR && bytes_written < filelen);
 608         fclose(fp);
 609
 610         if (bytes_written < filelen) {
 611                 err_printf("Trouble saving '%s': %s\n", pathname,
 612                                 strerror(errno));
 613                 return 0;
 614         }
 615         return 1;
 616 }
 617
 618
 619 /*
 620  * Save supplied_filename in dest directory; gets the name only
 621  */
 622 void destination_directory(char *dest, const char *supplied_filename)
 623 {
 624         scr_printf("Enter the name of the directory to save '%s'\n"
 625                 "to, or press return for the current directory.\n",
 626                 supplied_filename);
 627         newprompt("Directory: ", dest, PATH_MAX);
 628         if (strlen(dest) == 0) {
 629                 dest[0] = '.';
 630                 dest[1] = 0;
 631         }
 632         strcat(dest, "/");
 633         strcat(dest, supplied_filename);
 634 }
 635
 636
 637 /*
 638  * download()  -  download a file or files.  The argument passed to this
 639  *                function determines which protocol to use.
 640  *  proto - 0 = paginate, 1 = xmodem, 2 = raw, 3 = ymodem, 4 = zmodem, 5 = save
 641  */
 642 void download(CtdlIPC *ipc, int proto)
 643 {
 644         char buf[SIZ];
 645         char filename[PATH_MAX];
 646         char tempname[PATH_MAX];
 647         char transmit_cmd[SIZ];
 648         FILE *tpipe = NULL;
 649         int broken = 0;
 650         int r;
 651         void *file = NULL;      /* The downloaded file */
 652         size_t filelen = 0L;    /* The downloaded file length */
 653
 654         if ((room_flags & QR_DOWNLOAD) == 0) {
 655                 scr_printf("*** You cannot download from this room.\n");
 656                 return;
 657         }
 658
 659         newprompt("Enter filename: ", filename, PATH_MAX);
 660
 661         /* Save to local disk, for folks with their own copy of the client */
 662         if (proto == 5) {
 663                 destination_directory(tempname, filename);
 664                 r = CtdlIPCFileDownload(ipc, filename, &file, 0, progress, buf);
 665                 if (r / 100 != 2) {
 666                         scr_printf("%s\n", buf);
 667                         return;
 668                 }
 669                 save_buffer(file, (size_t)extract_long(buf, 0), tempname);
 670                 free(file);
 671                 return;
 672         }
 673
 674         r = CtdlIPCFileDownload(ipc, filename, &file, 0, progress, buf);
 675         if (r / 100 != 2) {
 676                 scr_printf("%s\n", buf);
 677                 return;
 678         }
 679         filelen = extract_unsigned_long(buf, 0);
 680
 681         /* Meta-download for public clients */
 682         /* scr_printf("Fetching file from Citadel server...\n"); */
 683         mkdir(tempdir, 0700);
 684         snprintf(tempname, sizeof tempname, "%s/%s", tempdir, filename);
 685         tpipe = fopen(tempname, "wb");
 686         if (fwrite(file, filelen, 1, tpipe) < filelen) {
 687                 /* FIXME: restart syscall on EINTR */
 688                 broken = 1;
 689         }
 690         fclose(tpipe);
 691         if (file) free(file);
 692
 693         if (proto == 0) {
 694                 /* FIXME: display internally instead */
 695                 snprintf(transmit_cmd, sizeof transmit_cmd,
 696                         "SHELL=/dev/null; export SHELL; TERM=dumb; export TERM; exec more -d <%s",
 697                         tempname);
 698         }
 699         else if (proto == 1)
 700                 snprintf(transmit_cmd, sizeof transmit_cmd, "exec sx %s", tempname);
 701         else if (proto == 3)
 702                 snprintf(transmit_cmd, sizeof transmit_cmd, "exec sb %s", tempname);
 703         else if (proto == 4)
 704                 snprintf(transmit_cmd, sizeof transmit_cmd, "exec sz %s", tempname);
 705         else
 706                 /* FIXME: display internally instead */
 707                 snprintf(transmit_cmd, sizeof transmit_cmd, "exec cat %s", tempname);
 708
 709         screen_reset();
 710         sttybbs(SB_RESTORE);
 711         system(transmit_cmd);
 712         sttybbs(SB_NO_INTR);
 713         screen_set();
 714
 715         /* clean up the temporary directory */
 716         nukedir(tempdir);
 717         ctdl_beep();    /* Beep beep! */
 718 }
 719
 720
 721 /*
 722  * read directory of this room
 723  */
 724 void roomdir(CtdlIPC *ipc)
 725 {
 726         char flnm[SIZ];
 727         char flsz[32];
 728         char comment[SIZ];
 729         char buf[SIZ];
 730
 731         CtdlIPC_putline(ipc, "RDIR");
 732         CtdlIPC_getline(ipc, buf);
 733         if (buf[0] != '1') {
 734                 pprintf("%s\n", &buf[4]);
 735                 return;
 736         }
 737
 738         extract(comment, &buf[4], 0);
 739         extract(flnm, &buf[4], 1);
 740         pprintf("\nDirectory of %s on %s\n", flnm, comment);
 741         pprintf("-----------------------\n");
 742         while (CtdlIPC_getline(ipc, buf), strcmp(buf, "000")) {
 743                 extract(flnm, buf, 0);
 744                 extract(flsz, buf, 1);
 745                 extract(comment, buf, 2);
 746                 if (strlen(flnm) <= 14)
 747                         pprintf("%-14s %8s %s\n", flnm, flsz, comment);
 748                 else
 749                         pprintf("%s\n%14s %8s %s\n", flnm, "", flsz,
 750                                 comment);
 751         }
 752 }
 753
 754
 755 /*
 756  * add a user to a private room
 757  */
 758 void invite(CtdlIPC *ipc)
 759 {
 760         char username[USERNAME_SIZE];
 761         char buf[SIZ];
 762         int r;                          /* IPC response code */
 763
 764         newprompt("Name of user? ", username, USERNAME_SIZE);
 765         if (username[0] == 0)
 766                 return;
 767
 768         r = CtdlIPCInviteUserToRoom(ipc, username, buf);
 769         scr_printf("%s\n", buf);
 770 }
 771
 772
 773 /*
 774  * kick a user out of a room
 775  */
 776 void kickout(CtdlIPC *ipc)
 777 {
 778         char username[USERNAME_SIZE];
 779         char buf[SIZ];
 780         int r;                          /* IPC response code */
 781
 782         newprompt("Name of user? ", username, USERNAME_SIZE);
 783         if (username[0] == 0)
 784                 return;
 785
 786         r = CtdlIPCKickoutUserFromRoom(ipc, username, buf);
 787         scr_printf("%s\n", buf);
 788 }
 789
 790
 791 /*
 792  * aide command: kill the current room
 793  */
 794 void killroom(CtdlIPC *ipc)
 795 {
 796         char aaa[100];
 797         int r;
 798
 799         r = CtdlIPCDeleteRoom(ipc, 0, aaa);
 800         if (r / 100 != 2) {
 801                 scr_printf("%s\n", aaa);
 802                 return;
 803         }
 804
 805         scr_printf("Are you sure you want to kill this room? ");
 806         if (yesno() == 0)
 807                 return;
 808
 809         r = CtdlIPCDeleteRoom(ipc, 1, aaa);
 810         scr_printf("%s\n", aaa);
 811         if (r / 100 != 2)
 812                 return;
 813         dotgoto(ipc, "_BASEROOM_", 0, 0);
 814 }
 815
 816 void forget(CtdlIPC *ipc)
 817 {                               /* forget the current room */
 818         char buf[SIZ];
 819
 820         scr_printf("Are you sure you want to forget this room? ");
 821         if (yesno() == 0)
 822                 return;
 823
 824         if (CtdlIPCForgetRoom(ipc, buf) / 100 != 2) {
 825                 scr_printf("%s\n", buf);
 826                 return;
 827         }
 828
 829         /* now return to the lobby */
 830         dotgoto(ipc, "_BASEROOM_", 0, 0);
 831 }
 832
 833
 834 /*
 835  * create a new room
 836  */
 837 void entroom(CtdlIPC *ipc)
 838 {
 839         char buf[SIZ];
 840         char new_room_name[ROOMNAMELEN];
 841         int new_room_type;
 842         char new_room_pass[10];
 843         int new_room_floor;
 844         int a, b;
 845         int r;                          /* IPC response code */
 846
 847         /* Check permission to create room */
 848         r = CtdlIPCCreateRoom(ipc, 0, "", 1, "", 0, buf);
 849         if (r / 100 != 2) {
 850                 scr_printf("%s\n", buf);
 851                 return;
 852         }
 853
 854         newprompt("Name for new room? ", new_room_name, ROOMNAMELEN - 1);
 855         if (strlen(new_room_name) == 0) {
 856                 return;
 857         }
 858         for (a = 0; a < strlen(new_room_name); ++a) {
 859                 if (new_room_name[a] == '|') {
 860                         new_room_name[a] = '_';
 861                 }
 862         }
 863
 864         new_room_floor = select_floor(ipc, (int) curr_floor);
 865
 866         IFNEXPERT formout(ipc, "roomaccess");
 867         do {
 868                 scr_printf("<?>Help\n<1>Public room\n<2>Guess-name room\n"
 869                        "<3>Passworded room\n<4>Invitation-only room\n"
 870                        "<5>Personal room\n"
 871                         "Enter room type: ");
 872                 do {
 873                         b = inkey();
 874                 } while (((b < '1') || (b > '5')) && (b != '?'));
 875                 if (b == '?') {
 876                         scr_printf("?\n");
 877                         formout(ipc, "roomaccess");
 878                 }
 879         } while ((b < '1') || (b > '5'));
 880         b -= '0';                       /* Portable */
 881         scr_printf("%d\n", b);
 882         new_room_type = b - 1;
 883         if (new_room_type == 2) {
 884                 newprompt("Enter a room password: ", new_room_pass, 9);
 885                 for (a = 0; a < strlen(new_room_pass); ++a)
 886                         if (new_room_pass[a] == '|')
 887                                 new_room_pass[a] = '_';
 888         } else {
 889                 strcpy(new_room_pass, "");
 890         }
 891
 892         scr_printf("\042%s\042, a", new_room_name);
 893         if (b == 1)
 894                 scr_printf(" public room.");
 895         if (b == 2)
 896                 scr_printf(" guess-name room.");
 897         if (b == 3)
 898                 scr_printf(" passworded room, password: %s", new_room_pass);
 899         if (b == 4)
 900                 scr_printf("n invitation-only room.");
 901         if (b == 5)
 902                 scr_printf(" personal room.");
 903         scr_printf("\nInstall it? (y/n) : ");
 904         if (yesno() == 0) {
 905                 return;
 906         }
 907
 908         r = CtdlIPCCreateRoom(ipc, 1, new_room_name, new_room_type,
 909                               new_room_pass, new_room_floor, buf);
 910         if (r / 100 != 2) {
 911                 scr_printf("%s\n", buf);
 912                 return;
 913         }
 914
 915         /* command succeeded... now GO to the new room! */
 916         dotgoto(ipc, new_room_name, 0, 0);
 917 }
 918
 919
 920
 921 void readinfo(CtdlIPC *ipc)
 922 {                               /* read info file for current room */
 923         char buf[SIZ];
 924         char raide[64];
 925         int r;                  /* IPC response code */
 926         char *text = NULL;
 927
 928         /* Name of currernt room aide */
 929         r = CtdlIPCGetRoomAide(ipc, buf);
 930         if (r / 100 == 2)
 931                 safestrncpy(raide, buf, sizeof raide);
 932         else
 933                 strcpy(raide, "");
 934
 935         if (strlen(raide) > 0)
 936                 scr_printf("Room aide is %s.\n\n", raide);
 937
 938         r = CtdlIPCRoomInfo(ipc, &text, buf);
 939         if (r / 100 != 1)
 940                 return;
 941
 942         if (text) {
 943                 fmout(screenwidth, NULL, text, NULL,
 944                       ((userflags & US_PAGINATOR) ? 1 : 0), screenheight,
 945                       (*raide) ? 2 : 0, 1);
 946                 free(text);
 947         }
 948 }
 949
 950
 951 /*
 952  * <W>ho knows room...
 953  */
 954 void whoknows(CtdlIPC *ipc)
 955 {
 956         char buf[SIZ];
 957         char *listing = NULL;
 958         int r;
 959
 960         r = CtdlIPCWhoKnowsRoom(ipc, &listing, buf);
 961         if (r / 100 != 1) {
 962                 pprintf("%s\n", buf);
 963                 return;
 964         }
 965         while (strlen(listing) > 0) {
 966                 extract_token(buf, listing, 0, '\n');
 967                 remove_token(listing, 0, '\n');
 968                 if (sigcaught == 0)
 969                         pprintf("%s\n", buf);
 970         }
 971         free(listing);
 972 }
 973
 974
 975 void do_edit(CtdlIPC *ipc,
 976                 char *desc, char *read_cmd, char *check_cmd, char *write_cmd)
 977 {
 978         FILE *fp;
 979         char cmd[SIZ];
 980         int b, cksum, editor_exit;
 981
 982         if (strlen(editor_path) == 0) {
 983                 scr_printf("Do you wish to re-enter %s? ", desc);
 984                 if (yesno() == 0)
 985                         return;
 986         }
 987
 988         fp = fopen(temp, "w");
 989         fclose(fp);
 990
 991         CtdlIPC_putline(ipc, check_cmd);
 992         CtdlIPC_getline(ipc, cmd);
 993         if (cmd[0] != '2') {
 994                 scr_printf("%s\n", &cmd[4]);
 995                 return;
 996         }
 997
 998         if (strlen(editor_path) > 0) {
 999                 CtdlIPC_putline(ipc, read_cmd);
1000                 CtdlIPC_getline(ipc, cmd);
1001                 if (cmd[0] == '1') {
1002                         fp = fopen(temp, "w");
1003                         while (CtdlIPC_getline(ipc, cmd), strcmp(cmd, "000")) {
1004                                 fprintf(fp, "%s\n", cmd);
1005                         }
1006                         fclose(fp);
1007                 }
1008         }
1009
1010         cksum = file_checksum(temp);
1011
1012         if (strlen(editor_path) > 0) {
1013                 char tmp[SIZ];
1014
1015                 snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", desc);
1016                 putenv(tmp);
1017                 screen_reset();
1018                 sttybbs(SB_RESTORE);
1019                 editor_pid = fork();
1020                 if (editor_pid == 0) {
1021                         chmod(temp, 0600);
1022                         execlp(editor_path, editor_path, temp, NULL);
1023                         exit(1);
1024                 }
1025                 if (editor_pid > 0)
1026                         do {
1027                                 editor_exit = 0;
1028                                 b = ka_wait(&editor_exit);
1029                         } while ((b != editor_pid) && (b >= 0));
1030                 editor_pid = (-1);
1031                 scr_printf("Executed %s\n", editor_path);
1032                 sttybbs(0);
1033                 screen_set();
1034         } else {
1035                 scr_printf("Entering %s.  "
1036                         "Press return twice when finished.\n", desc);
1037                 fp = fopen(temp, "r+");
1038                 citedit(ipc, fp);
1039                 fclose(fp);
1040         }
1041
1042         if (file_checksum(temp) == cksum) {
1043                 scr_printf("*** Aborted.\n");
1044         }
1045
1046         else {
1047                 CtdlIPC_putline(ipc, write_cmd);
1048                 CtdlIPC_getline(ipc, cmd);
1049                 if (cmd[0] != '4') {
1050                         scr_printf("%s\n", &cmd[4]);
1051                         return;
1052                 }
1053
1054                 fp = fopen(temp, "r");
1055                 while (fgets(cmd, SIZ - 1, fp) != NULL) {
1056                         cmd[strlen(cmd) - 1] = 0;
1057                         CtdlIPC_putline(ipc, cmd);
1058                 }
1059                 fclose(fp);
1060                 CtdlIPC_putline(ipc, "000");
1061         }
1062
1063         unlink(temp);
1064 }
1065
1066
1067 void enterinfo(CtdlIPC *ipc)
1068 {                               /* edit info file for current room */
1069         do_edit(ipc, "the Info file for this room", "RINF", "EINF 0", "EINF 1");
1070 }
1071
1072 void enter_bio(CtdlIPC *ipc)
1073 {
1074         char cmd[SIZ];
1075         snprintf(cmd, sizeof cmd, "RBIO %s", fullname);
1076         do_edit(ipc, "your Bio", cmd, "NOOP", "EBIO");
1077 }
1078
1079 /*
1080  * create a new floor
1081  */
1082 void create_floor(CtdlIPC *ipc)
1083 {
1084         char buf[SIZ];
1085         char newfloorname[SIZ];
1086         int r;                  /* IPC response code */
1087
1088         load_floorlist(ipc);
1089
1090         r = CtdlIPCCreateFloor(ipc, 0, "", buf);
1091         if (r / 100 != 2) {
1092                 scr_printf("%s\n", buf);
1093                 return;
1094         }
1095
1096         newprompt("Name for new floor: ", newfloorname, 255);
1097         if (!*newprompt) return;
1098         r = CtdlIPCCreateFloor(ipc, 1, newfloorname, buf);
1099         if (r / 100 == 2) {
1100                 scr_printf("Floor has been created.\n");
1101         } else {
1102                 scr_printf("%s\n", buf);
1103         }
1104
1105         load_floorlist(ipc);
1106 }
1107
1108 /*
1109  * edit the current floor
1110  */
1111 void edit_floor(CtdlIPC *ipc)
1112 {
1113         char buf[SIZ];
1114         struct ExpirePolicy *ep = NULL;
1115         int r;                          /* IPC response code */
1116
1117         load_floorlist(ipc);
1118
1119         /* Fetch the expire policy (this will silently fail on old servers,
1120          * resulting in "default" policy)
1121          */
1122         r = CtdlIPCGetMessageExpirationPolicy(ipc, 1, &ep, buf);
1123
1124         /* Interact with the user */
1125         scr_printf("You are editing the floor called \"%s\"\n",
1126                 &floorlist[(int) curr_floor][0] );
1127         strprompt("Floor name", &floorlist[(int) curr_floor][0], 255);
1128
1129         /* Angels and demons dancing in my head... */
1130         do {
1131                 snprintf(buf, sizeof buf, "%d", ep->expire_mode);
1132                 strprompt
1133                     ("Floor default message expire policy (? for list)",
1134                      buf, 1);
1135                 if (buf[0] == '?') {
1136                         scr_printf("\n"
1137                                 "0. Use the system default\n"
1138                                 "1. Never automatically expire messages\n"
1139                                 "2. Expire by message count\n"
1140                                 "3. Expire by message age\n");
1141                 }
1142         } while ((buf[0] < '0') || (buf[0] > '3'));
1143         ep->expire_mode = buf[0] - '0';
1144
1145         /* ...lunatics and monsters underneath my bed */
1146         if (ep->expire_mode == 2) {
1147                 snprintf(buf, sizeof buf, "%d", ep->expire_value);
1148                 strprompt("Keep how many messages online?", buf, 10);
1149                 ep->expire_value = atol(buf);
1150         }
1151
1152         if (ep->expire_mode == 3) {
1153                 snprintf(buf, sizeof buf, "%d", ep->expire_value);
1154                 strprompt("Keep messages for how many days?", buf, 10);
1155                 ep->expire_value = atol(buf);
1156         }
1157
1158         /* Save it */
1159         r = CtdlIPCSetMessageExpirationPolicy(ipc, 1, ep, buf);
1160         r = CtdlIPCEditFloor(ipc, curr_floor, &floorlist[(int)curr_floor][0], buf);
1161         scr_printf("%s\n", buf);
1162         load_floorlist(ipc);
1163 }
1164
1165
1166
1167
1168 /*
1169  * kill the current floor
1170  */
1171 void kill_floor(CtdlIPC *ipc)
1172 {
1173         int floornum_to_delete, a;
1174         char buf[SIZ];
1175
1176         load_floorlist(ipc);
1177         do {
1178                 floornum_to_delete = (-1);
1179                 scr_printf("(Press return to abort)\n");
1180                 newprompt("Delete which floor? ", buf, 255);
1181                 if (strlen(buf) == 0)
1182                         return;
1183                 for (a = 0; a < 128; ++a)
1184                         if (!strcasecmp(&floorlist[a][0], buf))
1185                                 floornum_to_delete = a;
1186                 if (floornum_to_delete < 0) {
1187                         scr_printf("No such floor.  Select one of:\n");
1188                         for (a = 0; a < 128; ++a)
1189                                 if (floorlist[a][0] != 0)
1190                                         scr_printf("%s\n", &floorlist[a][0]);
1191                 }
1192         } while (floornum_to_delete < 0);
1193         CtdlIPCDeleteFloor(ipc, 1, floornum_to_delete, buf);
1194         scr_printf("%s\n", buf);
1195         load_floorlist(ipc);
1196 }