citadel/rooms.c

   1 /* Citadel/UX room-oriented routines */
   2 /* $Id$ */
   3
   4 #include <stdlib.h>
   5 #include <unistd.h>
   6 #include <fcntl.h>
   7 #include <stdio.h>
   8 #include <ctype.h>
   9 #include <string.h>
  10 #include <signal.h>
  11 #include <sys/types.h>
  12 #include <sys/stat.h>
  13 #include <sys/wait.h>
  14 #include <errno.h>
  15 #include "citadel.h"
  16 #include "rooms.h"
  17 #include "tools.h"
  18
  19 #define IFEXPERT if (userflags&US_EXPERT)
  20 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  21 #define IFAIDE if (axlevel>=6)
  22 #define IFNAIDE if (axlevel<6)
  23
  24
  25 void sttybbs(int cmd);
  26 void extract(char *dest, char *source, int parmnum);
  27 int extract_int(char *source, int parmnum);
  28 void hit_any_key(void);
  29 int yesno(void);
  30 void strprompt(char *prompt, char *str, int len);
  31 void newprompt(char *prompt, char *str, int len);
  32 int struncmp(char *lstr, char *rstr, int len);
  33 void dotgoto(char *towhere, int display_name);
  34 long extract_long(char *source, int parmnum);
  35 void serv_read(char *buf, int bytes);
  36 void formout(char *name);
  37 int inkey(void);
  38 int fmout(int width, FILE *fp, char pagin, int height, int starting_lp, char subst);
  39 void citedit(FILE *fp, long int base_pos);
  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 void color(int colornum);
  45
  46 extern unsigned room_flags;
  47 extern char room_name[];
  48 extern char temp[];
  49 extern char tempdir[];
  50 extern int editor_pid;
  51 extern char editor_path[];
  52 extern int screenwidth;
  53 extern int screenheight;
  54 extern char fullname[];
  55 extern int userflags;
  56 extern char sigcaught;
  57 extern char floor_mode;
  58 extern char curr_floor;
  59
  60
  61 extern int ugnum;
  62 extern long uglsn;
  63 extern char ugname[];
  64
  65 extern char floorlist[128][256];
  66
  67
  68 void load_floorlist(void) {
  69         int a;
  70         char buf[256];
  71
  72         for (a=0; a<128; ++a) floorlist[a][0] = 0;
  73
  74         serv_puts("LFLR");
  75         serv_gets(buf);
  76         if (buf[0]!='1') {
  77                 strcpy(floorlist[0],"Main Floor");
  78                 return;
  79                 }
  80         while (serv_gets(buf), strcmp(buf,"000")) {
  81                 extract(floorlist[extract_int(buf,0)],buf,1);
  82                 }
  83         }
  84
  85 void listrms(char *variety)
  86 {
  87         char buf[256];
  88         char rmname[32];
  89         int f,c;
  90
  91         serv_puts(variety);
  92         serv_gets(buf);
  93         if (buf[0]!='1') return;
  94         c = 1;
  95         sigcaught = 0;
  96         sttybbs(SB_YES_INTR);
  97         while (serv_gets(buf), strcmp(buf,"000")) if (sigcaught==0) {
  98                 extract(rmname,buf,0);
  99                 if ((c + strlen(rmname) + 4) > screenwidth) {
 100                         printf("\n");
 101                         c = 1;
 102                         }
 103                 f = extract_int(buf,1);
 104                 if (f & QR_MAILBOX) {
 105                         color(6);
 106                         }
 107                 else if (f & QR_PRIVATE) {
 108                         color(1);
 109                         }
 110                 else {
 111                         color(2);
 112                         }
 113                 printf("%s",rmname);
 114                 if ((f & QR_DIRECTORY) && (f & QR_NETWORK)) printf("}  ");
 115                 else if (f & QR_DIRECTORY) printf("]  ");
 116                 else if (f & QR_NETWORK) printf(")  ");
 117                 else printf(">  ");
 118                 c = c + strlen(rmname) + 3;
 119                 }
 120         color(7);
 121         sttybbs(SB_NO_INTR);
 122         }
 123
 124
 125 void list_other_floors(void) {
 126         int a,c;
 127
 128         c = 1;
 129         for (a=0; a<128; ++a) if ((strlen(floorlist[a])>0)&&(a!=curr_floor)) {
 130                 if ((c + strlen(floorlist[a]) + 4) > screenwidth) {
 131                         printf("\n");
 132                         c = 1;
 133                         }
 134                 printf("%s:  ",floorlist[a]);
 135                 c = c + strlen(floorlist[a]) + 3;
 136                 }
 137         }
 138
 139
 140 /*
 141  * List known rooms.  kn_floor_mode should be set to 0 for a 'flat' listing,
 142  * 1 to list rooms on the current floor, or 1 to list rooms on all floors.
 143  */
 144 void knrooms(int kn_floor_mode)
 145 {
 146         char buf[256];
 147         int a;
 148
 149         load_floorlist();
 150
 151         if (kn_floor_mode == 0) {
 152                 color(3);
 153                 printf("\n   Rooms with unread messages:\n");
 154                 listrms("LKRN");
 155                 color(3);
 156                 printf("\n\n   No unseen messages in:\n");
 157                 listrms("LKRO");
 158                 printf("\n");
 159                 }
 160
 161         if (kn_floor_mode == 1) {
 162                 color(3);
 163                 printf("\n   Rooms with unread messages on %s:\n",
 164                         floorlist[(int)curr_floor]);
 165                 sprintf(buf,"LKRN %d",curr_floor);
 166                 listrms(buf);
 167                 color(3);
 168                 printf("\n\n   Rooms with no new messages on %s:\n",
 169                         floorlist[(int)curr_floor]);
 170                 sprintf(buf,"LKRO %d",curr_floor);
 171                 listrms(buf);
 172                 color(3);
 173                 printf("\n\n   Other floors:\n");
 174                 list_other_floors();
 175                 printf("\n");
 176                 }
 177
 178         if (kn_floor_mode == 2) {
 179                 for (a=0; a<128; ++a) if (floorlist[a][0]!=0) {
 180                         color(3);
 181                         printf("\n   Rooms on %s:\n",floorlist[a]);
 182                         sprintf(buf,"LKRA %d",a);
 183                         listrms(buf);
 184                         printf("\n");
 185                         }
 186                 }
 187
 188         color(7);
 189         IFNEXPERT hit_any_key();
 190         }
 191
 192
 193 void listzrooms(void) {         /* list public forgotten rooms */
 194         color(3);
 195         printf("\n   Forgotten public rooms:\n");
 196         listrms("LZRM");
 197         printf("\n");
 198         color(7);
 199         IFNEXPERT hit_any_key();
 200         }
 201
 202
 203 int set_room_attr(int ibuf, char *prompt, unsigned int sbit)
 204 {
 205         int a;
 206
 207         a = boolprompt(prompt, (ibuf&sbit));
 208         ibuf=(ibuf|sbit);
 209         if (!a) ibuf=(ibuf^sbit);
 210         return(ibuf);
 211         }
 212
 213
 214
 215 /*
 216  * Select a floor (used in several commands)
 217  * The supplied argument is the 'default' floor number.
 218  * This function returns the selected floor number.
 219  */
 220 int select_floor(int rfloor)
 221 {
 222         int a, newfloor;
 223         char floorstr[256];
 224
 225         if (floor_mode == 1) {
 226                 if (floorlist[(int)curr_floor][0]==0) load_floorlist();
 227
 228                 do {
 229                         newfloor = (-1);
 230                         safestrncpy(floorstr,floorlist[rfloor],sizeof floorstr);
 231                         strprompt("Which floor",floorstr,256);
 232                         for (a=0; a<128; ++a) {
 233                                 if (!strucmp(floorstr,&floorlist[a][0]))
 234                                         newfloor = a;
 235                                 if ((newfloor<0)&&(!struncmp(floorstr,
 236                                         &floorlist[a][0],strlen(floorstr))))
 237                                                 newfloor = a;
 238                                 if ((newfloor<0)&&(pattern(&floorlist[a][0],
 239                                         floorstr)>=0)) newfloor = a;
 240                                 }
 241                         if (newfloor<0) {
 242                                 printf("\n One of:\n");
 243                                 for (a=0; a<128; ++a)
 244                                         if (floorlist[a][0]!=0)
 245                                                 printf("%s\n",
 246                                                         &floorlist[a][0]);
 247                                 }
 248                         } while(newfloor < 0);
 249                 return(newfloor);
 250                 }
 251         return(rfloor);
 252         }
 253
 254
 255
 256
 257 /*
 258  * .<A>ide <E>dit room
 259  */
 260 void editthisroom(void) {
 261         char rname[ROOMNAMELEN];
 262         char rpass[10];
 263         char rdir[15];
 264         unsigned rflags;
 265         int rbump;
 266         char raide[32];
 267         char buf[256];
 268         int rfloor;
 269         int expire_mode = 0;
 270         int expire_value = 0;
 271
 272         /* Fetch the existing room config */
 273         serv_puts("GETR");
 274         serv_gets(buf);
 275         if (buf[0]!='2') {
 276                 printf("%s\n",&buf[4]);
 277                 return;
 278                 }
 279
 280         extract(rname,&buf[4],0);
 281         extract(rpass,&buf[4],1);
 282         extract(rdir, &buf[4],2);
 283         rflags = extract_int(&buf[4],3);
 284         rfloor = extract_int(&buf[4],4);
 285         rbump = 0;
 286
 287         /* Fetch the name of the current room aide */
 288         serv_puts("GETA");
 289         serv_gets(buf);
 290         if (buf[0]=='2') safestrncpy(raide,&buf[4],sizeof raide);
 291         else strcpy(raide,"");
 292         if (strlen(raide)==0) strcpy(raide,"none");
 293
 294         /* Fetch the expire policy (this will silently fail on old servers,
 295          * resulting in "default" policy)
 296          */
 297         serv_puts("GPEX room");
 298         serv_gets(buf);
 299         if (buf[0]=='2') {
 300                 expire_mode = extract_int(&buf[4], 0);
 301                 expire_value = extract_int(&buf[4], 1);
 302                 }
 303
 304         /* Now interact with the user. */
 305         strprompt("Room name",rname,ROOMNAMELEN-1);
 306
 307         rfloor = select_floor(rfloor);
 308         rflags = set_room_attr(rflags,"Private room",QR_PRIVATE);
 309         if (rflags & QR_PRIVATE)
 310                 rflags = set_room_attr(rflags,
 311                         "Accessible by guessing room name",QR_GUESSNAME);
 312
 313         /* if it's public, clear the privacy classes */
 314         if ((rflags & QR_PRIVATE)==0) {
 315                 if (rflags & QR_GUESSNAME)  rflags = rflags - QR_GUESSNAME;
 316                 if (rflags & QR_PASSWORDED) rflags = rflags - QR_PASSWORDED;
 317                 }
 318
 319         /* if it's private, choose the privacy classes */
 320         if ( (rflags & QR_PRIVATE)
 321            && ( (rflags & QR_GUESSNAME) == 0) ) {
 322                 rflags = set_room_attr(rflags,
 323                         "Accessible by entering a password",QR_PASSWORDED);
 324                 }
 325         if ( (rflags & QR_PRIVATE)
 326            && ((rflags&QR_PASSWORDED)==QR_PASSWORDED) ) {
 327                 strprompt("Room password",rpass,9);
 328                 }
 329
 330         if ((rflags&QR_PRIVATE)==QR_PRIVATE) {
 331                 rbump = boolprompt("Cause current users to forget room", 0);
 332                 }
 333
 334         rflags = set_room_attr(rflags,"Preferred users only",QR_PREFONLY);
 335         rflags = set_room_attr(rflags,"Read-only room",QR_READONLY);
 336         rflags = set_room_attr(rflags,"Directory room",QR_DIRECTORY);
 337         rflags = set_room_attr(rflags,"Permanent room",QR_PERMANENT);
 338         if (rflags & QR_DIRECTORY) {
 339                 strprompt("Directory name",rdir,14);
 340                 rflags = set_room_attr(rflags,"Uploading allowed",QR_UPLOAD);
 341                 rflags = set_room_attr(rflags,"Downloading allowed",
 342                                                                 QR_DOWNLOAD);
 343                 rflags = set_room_attr(rflags,"Visible directory",QR_VISDIR);
 344                 }
 345         rflags = set_room_attr(rflags,"Network shared room",QR_NETWORK);
 346         rflags = set_room_attr(rflags,
 347                 "Automatically make all messages anonymous",QR_ANONONLY);
 348         if ( (rflags & QR_ANONONLY) == 0) {
 349                 rflags = set_room_attr(rflags,
 350                         "Ask users whether to make messages anonymous",
 351                         QR_ANONOPT);
 352                 }
 353
 354
 355         /* Ask about the room aide */
 356         do {
 357                 strprompt("Room aide (or 'none')",raide,29);
 358                 if (!strucmp(raide,"none")) {
 359                         strcpy(raide,"");
 360                         strcpy(buf,"200");
 361                         }
 362                 else {
 363                         snprintf(buf,sizeof buf,"QUSR %s",raide);
 364                         serv_puts(buf);
 365                         serv_gets(buf);
 366                         if (buf[0]!='2') printf("%s\n",&buf[4]);
 367                         }
 368                 } while(buf[0]!='2');
 369
 370         if (!strucmp(raide,"none")) strcpy(raide,"");
 371
 372
 373         /* Angels and demons dancing in my head... */
 374         do {
 375                 sprintf(buf, "%d", expire_mode);
 376                 strprompt("Message expire policy (? for list)", buf, 1);
 377                 if (buf[0] == '?') {
 378                         printf("\n");
 379                         printf("0. Use the default for this floor\n");
 380                         printf("1. Never automatically expire messages\n");
 381                         printf("2. Expire by message count\n");
 382                         printf("3. Expire by message age\n");
 383                         }
 384                 } while((buf[0]<48)||(buf[0]>51));
 385         expire_mode = buf[0] - 48;
 386
 387         /* ...lunatics and monsters underneath my bed */
 388         if (expire_mode == 2) {
 389                 sprintf(buf, "%d", expire_value);
 390                 strprompt("Keep how many messages online?", buf, 10);
 391                 expire_value = atol(buf);
 392                 }
 393
 394         if (expire_mode == 3) {
 395                 sprintf(buf, "%d", expire_value);
 396                 strprompt("Keep messages for how many days?", buf, 10);
 397                 expire_value = atol(buf);
 398                 }
 399
 400         /* Give 'em a chance to change their minds */
 401         printf("Save changes (y/n)? ");
 402
 403         if (yesno()==1) {
 404                 snprintf(buf,sizeof buf,"SETA %s",raide);
 405                 serv_puts(buf);
 406                 serv_gets(buf);
 407                 if (buf[0]!='2') printf("%s\n",&buf[4]);
 408
 409                 snprintf(buf, sizeof buf, "SPEX room|%d|%d",
 410                         expire_mode, expire_value);
 411                 serv_puts(buf);
 412                 serv_gets(buf);
 413
 414                 snprintf(buf,sizeof buf,"SETR %s|%s|%s|%d|%d|%d",
 415                         rname,rpass,rdir,rflags,rbump,rfloor);
 416                 serv_puts(buf);
 417                 serv_gets(buf);
 418                 printf("%s\n",&buf[4]);
 419                 if (buf[0]=='2') dotgoto(rname,2);
 420                 }
 421         }
 422
 423
 424 /*
 425  * un-goto the previous room
 426  */
 427 void ungoto(void) {
 428         char buf[256];
 429
 430         if (!strcmp(ugname,"")) return;
 431         snprintf(buf,sizeof buf,"GOTO %s",ugname);
 432         serv_puts(buf);
 433         serv_gets(buf);
 434         if (buf[0]!='2') {
 435                 printf("%s\n",&buf[4]);
 436                 return;
 437                 }
 438         sprintf(buf,"SLRP %ld",uglsn);
 439         serv_puts(buf);
 440         serv_gets(buf);
 441         if (buf[0]!='2') printf("%s\n",&buf[4]);
 442         safestrncpy(buf,ugname,sizeof buf);
 443         strcpy(ugname,"");
 444         dotgoto(buf,0);
 445         }
 446
 447
 448 /*
 449  * download()  -  download a file or files.  The argument passed to this
 450  *                function determines which protocol to use.
 451  */
 452 void download(int proto)
 453 {
 454
 455 /*
 456   - 0 = paginate, 1 = xmodem, 2 = raw, 3 = ymodem, 4 = zmodem, 5 = save
 457 */
 458
 459
 460         char buf[256];
 461         char dbuf[4096];
 462         char filename[256];
 463         long total_bytes = 0L;
 464         long transmitted_bytes = 0L;
 465         long aa,bb;
 466         int a,b;
 467         int packet;
 468         FILE *tpipe = NULL;
 469         FILE *savefp = NULL;
 470         int proto_pid;
 471         int broken = 0;
 472
 473         if ((room_flags & QR_DOWNLOAD) == 0) {
 474                 printf("*** You cannot download from this room.\n");
 475                 return;
 476                 }
 477
 478         newprompt("Enter filename: ",filename,255);
 479
 480         snprintf(buf,sizeof buf,"OPEN %s",filename);
 481         serv_puts(buf);
 482         serv_gets(buf);
 483         if (buf[0]!='2') {
 484                 printf("%s\n",&buf[4]);
 485                 return;
 486                 }
 487         total_bytes = extract_long(&buf[4],0);
 488
 489
 490         /* Here's the code for simply transferring the file to the client,
 491          * for folks who have their own clientware.  It's a lot simpler than
 492          * the [XYZ]modem code below...
 493          */
 494         if (proto == 5) {
 495                 printf("Enter the name of the directory to save '%s'\n",
 496                         filename);
 497                 printf("to, or press return for the current directory.\n");
 498                 newprompt("Directory: ",dbuf,256);
 499                 if (strlen(dbuf)==0) strcpy(dbuf,".");
 500                 strcat(dbuf,"/");
 501                 strcat(dbuf,filename);
 502
 503                 savefp = fopen(dbuf,"w");
 504                 if (savefp == NULL) {
 505                         printf("Cannot open '%s': %s\n",dbuf,strerror(errno));
 506                         /* close the download file at the server */
 507                         serv_puts("CLOS");
 508                         serv_gets(buf);
 509                         if (buf[0]!='2') {
 510                                 printf("%s\n",&buf[4]);
 511                                 }
 512                         return;
 513                         }
 514                 progress(0,total_bytes);
 515                 while ( (transmitted_bytes < total_bytes) && (broken == 0) ) {
 516                         bb = total_bytes - transmitted_bytes;
 517                         aa = ((bb < 4096) ? bb : 4096);
 518                         sprintf(buf,"READ %ld|%ld",transmitted_bytes,aa);
 519                         serv_puts(buf);
 520                         serv_gets(buf);
 521                         if (buf[0]!='6') {
 522                                 printf("%s\n",&buf[4]);
 523                                 return;
 524                                 }
 525                         packet = extract_int(&buf[4],0);
 526                         serv_read(dbuf,packet);
 527                         if (fwrite(dbuf,packet,1,savefp) < 1) broken = 1;
 528                         transmitted_bytes = transmitted_bytes + (long)packet;
 529                         progress(transmitted_bytes,total_bytes);
 530                         }
 531                 fclose(savefp);
 532                 /* close the download file at the server */
 533                 serv_puts("CLOS");
 534                 serv_gets(buf);
 535                 if (buf[0]!='2') {
 536                         printf("%s\n",&buf[4]);
 537                         }
 538                 return;
 539                 }
 540
 541
 542         mkdir(tempdir,0700);
 543         snprintf(buf,sizeof buf,"%s/%s",tempdir,filename);
 544         mkfifo(buf, 0777);
 545
 546         /* We do the remainder of this function as a separate process in
 547          * order to allow recovery if the transfer is aborted.  If the
 548          * file transfer program aborts, the first child process receives a
 549          * "broken pipe" signal and aborts.  We *should* be able to catch
 550          * this condition with signal(), but it doesn't seem to work on all
 551          * systems.
 552          */
 553         a = fork();
 554         if (a!=0) {
 555                 /* wait for the download to finish */
 556                 while (wait(&b)!=a) ;;
 557                 sttybbs(0);
 558                 /* close the download file at the server */
 559                 serv_puts("CLOS");
 560                 serv_gets(buf);
 561                 if (buf[0]!='2') {
 562                         printf("%s\n",&buf[4]);
 563                         }
 564                 /* clean up the temporary directory */
 565                 nukedir(tempdir);
 566                 return;
 567                 }
 568
 569         snprintf(buf,sizeof buf,"%s/%s",tempdir,filename); /* full pathname */
 570
 571         /* The next fork() creates a second child process that is used for
 572          * the actual file transfer program (usually sz).
 573          */
 574         proto_pid = fork();
 575         if (proto_pid == 0) {
 576                 if (proto==0)  {
 577                         sttybbs(0);
 578                         signal(SIGINT,SIG_DFL);
 579                         signal(SIGQUIT,SIG_DFL);
 580                         snprintf(dbuf,sizeof dbuf,"SHELL=/dev/null; export SHELL; TERM=dumb; export TERM; exec more -d <%s",buf);
 581                         system(dbuf);
 582                         sttybbs(SB_NO_INTR);
 583                         exit(0);
 584                         }
 585                 sttybbs(3);
 586                 signal(SIGINT,SIG_DFL);
 587                 signal(SIGQUIT,SIG_DFL);
 588                 if (proto==1) execlp("sx","sx",buf,NULL);
 589                 if (proto==2) execlp("cat","cat",buf,NULL);
 590                 if (proto==3) execlp("sb","sb",buf,NULL);
 591                 if (proto==4) execlp("sz","sz",buf,NULL);
 592                 execlp("cat","cat",buf,NULL);
 593                 exit(1);
 594                 }
 595
 596         tpipe = fopen(buf,"w");
 597
 598         while ( (transmitted_bytes < total_bytes) && (broken == 0) ) {
 599                 bb = total_bytes - transmitted_bytes;
 600                 aa = ((bb < 4096) ? bb : 4096);
 601                 sprintf(buf,"READ %ld|%ld",transmitted_bytes,aa);
 602                 serv_puts(buf);
 603                 serv_gets(buf);
 604                 if (buf[0]!='6') {
 605                         printf("%s\n",&buf[4]);
 606                         return;
 607                         }
 608                 packet = extract_int(&buf[4],0);
 609                 serv_read(dbuf,packet);
 610                 if (fwrite(dbuf,packet,1,tpipe) < 1) broken = 1;
 611                 transmitted_bytes = transmitted_bytes + (long)packet;
 612                 }
 613         if (tpipe!=NULL) fclose(tpipe);
 614
 615         /* Hang out and wait for the file transfer program to finish */
 616         while (wait(&a) != proto_pid) ;;
 617
 618
 619         putc(7,stdout);
 620         exit(0);        /* transfer control back to the main program */
 621         }
 622
 623
 624 /*
 625  * read directory of this room
 626  */
 627 void roomdir(void) {
 628         char flnm[256];
 629         char flsz[32];
 630         char comment[256];
 631         char buf[256];
 632
 633         serv_puts("RDIR");
 634         serv_gets(buf);
 635         if (buf[0]!='1') {
 636                 printf("%s\n",&buf[4]);
 637                 return;
 638                 }
 639
 640         extract(comment,&buf[4],0);
 641         extract(flnm,&buf[4],1);
 642         printf("\nDirectory of %s on %s\n",flnm,comment);
 643         printf("-----------------------\n");
 644         while (serv_gets(buf), strcmp(buf,"000")) {
 645                 extract(flnm,buf,0);
 646                 extract(flsz,buf,1);
 647                 extract(comment,buf,2);
 648                 if (strlen(flnm)<=14)
 649                         printf("%-14s %8s %s\n",flnm,flsz,comment);
 650                 else
 651                         printf("%s\n%14s %8s %s\n",flnm,"",flsz,comment);
 652                 }
 653         }
 654
 655
 656 /*
 657  * add a user to a private room
 658  */
 659 void invite(void) {
 660         char aaa[31],bbb[256];
 661
 662         if ((room_flags & QR_PRIVATE)==0) {
 663                 printf("This is not a private room.\n");
 664                 return;
 665                 }
 666
 667         newprompt("Name of user? ",aaa,30);
 668         if (aaa[0]==0) return;
 669
 670         snprintf(bbb,sizeof bbb,"INVT %s",aaa);
 671         serv_puts(bbb);
 672         serv_gets(bbb);
 673         printf("%s\n",&bbb[4]);
 674         }
 675
 676
 677 /*
 678  * kick a user out of a room
 679  */
 680 void kickout(void) {
 681         char aaa[31],bbb[256];
 682
 683         newprompt("Name of user? ",aaa,30);
 684         if (aaa[0]==0) return;
 685
 686         snprintf(bbb,sizeof bbb,"KICK %s",aaa);
 687         serv_puts(bbb);
 688         serv_gets(bbb);
 689         printf("%s\n",&bbb[4]);
 690         }
 691
 692
 693 /*
 694  * aide command: kill the current room
 695  */
 696 void killroom(void) {
 697         char aaa[100];
 698
 699         serv_puts("KILL 0");
 700         serv_gets(aaa);
 701         if (aaa[0]!='2') {
 702                 printf("%s\n",&aaa[4]);
 703                 return;
 704                 }
 705
 706         printf("Are you sure you want to kill this room? ");
 707         if (yesno()==0) return;
 708
 709         serv_puts("KILL 1");
 710         serv_gets(aaa);
 711         printf("%s\n",&aaa[4]);
 712         if (aaa[0]!='2') return;
 713         dotgoto("_BASEROOM_",0);
 714         }
 715
 716 void forget(void) {     /* forget the current room */
 717         char cmd[256];
 718
 719         printf("Are you sure you want to forget this room? ");
 720         if (yesno()==0) return;
 721
 722         serv_puts("FORG");
 723         serv_gets(cmd);
 724         if (cmd[0]!='2') {
 725                 printf("%s\n",&cmd[4]);
 726                 return;
 727                 }
 728
 729         /* now return to the lobby */
 730         dotgoto("_BASEROOM_",0);
 731         }
 732
 733
 734 /*
 735  * create a new room
 736  */
 737 void entroom(void) {
 738         char cmd[256];
 739         char new_room_name[ROOMNAMELEN];
 740         int new_room_type;
 741         char new_room_pass[10];
 742         int new_room_floor;
 743         int a,b;
 744
 745         serv_puts("CRE8 0");
 746         serv_gets(cmd);
 747
 748         if (cmd[0]!='2') {
 749                 printf("%s\n",&cmd[4]);
 750                 return;
 751                 }
 752
 753         newprompt("Name for new room? ",new_room_name,ROOMNAMELEN-1);
 754         if (strlen(new_room_name)==0) return;
 755         for (a=0; a<strlen(new_room_name); ++a)
 756                 if (new_room_name[a] == '|') new_room_name[a]='_';
 757
 758         new_room_floor = select_floor((int)curr_floor);
 759
 760         IFNEXPERT formout("roomaccess");
 761         do {
 762                 printf("<?>Help\n<1>Public room\n<2>Guess-name room\n");
 763                 printf("<3>Passworded room\n<4>Invitation-only room\n");
 764                 printf("Enter room type: ");
 765                 do {
 766                         b=inkey();
 767                         } while (((b<'1')||(b>'4')) && (b!='?'));
 768                 if (b=='?') {
 769                         printf("?\n");
 770                         formout("roomaccess");
 771                         }
 772                 } while ((b<'1')||(b>'4'));
 773         b=b-48;
 774         printf("%d\n",b);
 775         new_room_type = b - 1;
 776         if (new_room_type==2) {
 777                 newprompt("Enter a room password: ",new_room_pass,9);
 778                 for (a=0; a<strlen(new_room_pass); ++a)
 779                         if (new_room_pass[a] == '|') new_room_pass[a]='_';
 780                 }
 781         else strcpy(new_room_pass,"");
 782
 783         printf("\042%s\042, a",new_room_name);
 784         if (b==1) printf(" public room.");
 785         if (b==2) printf(" guess-name room.");
 786         if (b==3) printf(" passworded room, password: %s",new_room_pass);
 787         if (b==4) printf("n invitation-only room.");
 788         printf("\nInstall it? (y/n) : ");
 789         a=yesno();
 790         if (a==0) return;
 791
 792         snprintf(cmd, sizeof cmd, "CRE8 1|%s|%d|%s|%d", new_room_name,
 793                 new_room_type, new_room_pass, new_room_floor);
 794         serv_puts(cmd);
 795         serv_gets(cmd);
 796         if (cmd[0]!='2') {
 797                 printf("%s\n",&cmd[4]);
 798                 return;
 799                 }
 800
 801         /* command succeeded... now GO to the new room! */
 802         dotgoto(new_room_name,0);
 803         }
 804
 805
 806
 807 void readinfo(void) {   /* read info file for current room */
 808         char cmd[256];
 809
 810         sprintf(cmd,"RINF");
 811         serv_puts(cmd);
 812         serv_gets(cmd);
 813
 814         if (cmd[0]!='1') return;
 815
 816         fmout(screenwidth,NULL,
 817                 ((userflags & US_PAGINATOR) ? 1 : 0),
 818                 screenheight,0,1);
 819         }
 820
 821
 822 /*
 823  * <W>ho knows room...
 824  */
 825 void whoknows(void) {
 826         char buf[256];
 827         serv_puts("WHOK");
 828         serv_gets(buf);
 829         if (buf[0]!='1') {
 830                 printf("%s\n",&buf[5]);
 831                 return;
 832                 }
 833         sigcaught = 0;
 834         sttybbs(SB_YES_INTR);
 835         while (serv_gets(buf), strncmp(buf,"000",3)) {
 836                 if (sigcaught==0) printf("%s\n",buf);
 837                 }
 838         sttybbs(SB_NO_INTR);
 839         }
 840
 841
 842 void do_edit(char *desc, char *read_cmd, char *check_cmd, char *write_cmd)
 843 {
 844         FILE *fp;
 845         char cmd[256];
 846         int b,cksum,editor_exit;
 847
 848
 849         if (strlen(editor_path)==0) {
 850                 printf("Do you wish to re-enter %s? ",desc);
 851                 if (yesno()==0) return;
 852                 }
 853
 854         fp = fopen(temp,"w");
 855         fclose(fp);
 856
 857         serv_puts(check_cmd);
 858         serv_gets(cmd);
 859         if (cmd[0]!='2') {
 860                 printf("%s\n",&cmd[4]);
 861                 return;
 862                 }
 863
 864         if (strlen(editor_path)>0) {
 865                 serv_puts(read_cmd);
 866                 serv_gets(cmd);
 867                 if (cmd[0]=='1') {
 868                         fp = fopen(temp,"w");
 869                         while (serv_gets(cmd), strcmp(cmd,"000")) {
 870                                 fprintf(fp,"%s\n",cmd);
 871                                 }
 872                         fclose(fp);
 873                         }
 874                 }
 875
 876         cksum = file_checksum(temp);
 877
 878         if (strlen(editor_path)>0) {
 879                 editor_pid=fork();
 880                 if (editor_pid==0) {
 881                         chmod(temp,0600);
 882                         sttybbs(SB_RESTORE);
 883                         execlp(editor_path,editor_path,temp,NULL);
 884                         exit(1);
 885                         }
 886                 if (editor_pid>0) do {
 887                         editor_exit = 0;
 888                         b=wait(&editor_exit);
 889                         } while((b!=editor_pid)&&(b>=0));
 890                 editor_pid = (-1);
 891                 printf("Executed %s\n", editor_path);
 892                 sttybbs(0);
 893                 }
 894         else {
 895                 printf("Entering %s.  ",desc);
 896                 printf("Press return twice when finished.\n");
 897                 fp=fopen(temp,"r+");
 898                 citedit(fp,0);
 899                 fclose(fp);
 900                 }
 901
 902         if (file_checksum(temp) == cksum) {
 903                 printf("*** Aborted.\n");
 904                 }
 905
 906         else {
 907                 serv_puts(write_cmd);
 908                 serv_gets(cmd);
 909                 if (cmd[0]!='4') {
 910                         printf("%s\n",&cmd[4]);
 911                         return;
 912                         }
 913
 914                 fp=fopen(temp,"r");
 915                 while (fgets(cmd,255,fp)!=NULL) {
 916                         cmd[strlen(cmd)-1] = 0;
 917                         serv_puts(cmd);
 918                         }
 919                 fclose(fp);
 920                 serv_puts("000");
 921                 }
 922
 923         unlink(temp);
 924         }
 925
 926
 927 void enterinfo(void) {          /* edit info file for current room */
 928         do_edit("the Info file for this room","RINF","EINF 0","EINF 1");
 929         }
 930
 931 void enter_bio(void) {
 932         char cmd[256];
 933         snprintf(cmd,sizeof cmd,"RBIO %s",fullname);
 934         do_edit("your Bio",cmd,"NOOP","EBIO");
 935         }
 936
 937 /*
 938  * create a new floor
 939  */
 940 void create_floor(void) {
 941         char buf[256];
 942         char newfloorname[256];
 943
 944         serv_puts("CFLR xx|0");
 945         serv_gets(buf);
 946         if (buf[0]!='2') {
 947                 printf("%s\n",&buf[4]);
 948                 return;
 949                 }
 950
 951         newprompt("Name for new floor: ",newfloorname,255);
 952         snprintf(buf,sizeof buf,"CFLR %s|1",newfloorname);
 953         serv_puts(buf);
 954         serv_gets(buf);
 955         if (buf[0]=='2') {
 956                 printf("Floor has been created.\n");
 957                 }
 958         else {
 959                 printf("%s\n",&buf[4]);
 960                 }
 961         }
 962
 963 /*
 964  * edit the current floor
 965  */
 966 void edit_floor(void) {
 967         char buf[256];
 968         int expire_mode = 0;
 969         int expire_value = 0;
 970
 971         if (floorlist[(int)curr_floor][0]==0) load_floorlist();
 972
 973         /* Fetch the expire policy (this will silently fail on old servers,
 974          * resulting in "default" policy)
 975          */
 976         serv_puts("GPEX floor");
 977         serv_gets(buf);
 978         if (buf[0]=='2') {
 979                 expire_mode = extract_int(&buf[4], 0);
 980                 expire_value = extract_int(&buf[4], 1);
 981                 }
 982
 983         /* Interact with the user */
 984         strprompt("Floor name",&floorlist[(int)curr_floor][0],255);
 985
 986         /* Angels and demons dancing in my head... */
 987         do {
 988                 sprintf(buf, "%d", expire_mode);
 989                 strprompt("Floor default essage expire policy (? for list)",
 990                         buf, 1);
 991                 if (buf[0] == '?') {
 992                         printf("\n");
 993                         printf("0. Use the system default\n");
 994                         printf("1. Never automatically expire messages\n");
 995                         printf("2. Expire by message count\n");
 996                         printf("3. Expire by message age\n");
 997                         }
 998                 } while((buf[0]<48)||(buf[0]>51));
 999         expire_mode = buf[0] - 48;
1000
1001         /* ...lunatics and monsters underneath my bed */
1002         if (expire_mode == 2) {
1003                 sprintf(buf, "%d", expire_value);
1004                 strprompt("Keep how many messages online?", buf, 10);
1005                 expire_value = atol(buf);
1006                 }
1007
1008         if (expire_mode == 3) {
1009                 sprintf(buf, "%d", expire_value);
1010                 strprompt("Keep messages for how many days?", buf, 10);
1011                 expire_value = atol(buf);
1012                 }
1013
1014         /* Save it */
1015         snprintf(buf, sizeof buf, "SPEX floor|%d|%d",
1016                 expire_mode, expire_value);
1017         serv_puts(buf);
1018         serv_gets(buf);
1019
1020         snprintf(buf,sizeof buf,"EFLR %d|%s",curr_floor,
1021                  &floorlist[(int)curr_floor][0]);
1022         serv_puts(buf);
1023         serv_gets(buf);
1024         printf("%s\n",&buf[4]);
1025         load_floorlist();
1026         }
1027
1028
1029
1030
1031 /*
1032  * kill the current floor
1033  */
1034 void kill_floor(void) {
1035         int floornum_to_delete,a;
1036         char buf[256];
1037
1038         if (floorlist[(int)curr_floor][0]==0) load_floorlist();
1039         do {
1040                 floornum_to_delete = (-1);
1041                 printf("(Press return to abort)\n");
1042                 newprompt("Delete which floor? ",buf,255);
1043                 if (strlen(buf)==0) return;
1044                 for (a=0; a<128; ++a)
1045                         if (!strucmp(&floorlist[a][0],buf))
1046                                 floornum_to_delete = a;
1047                 if (floornum_to_delete < 0) {
1048                         printf("No such floor.  Select one of:\n");
1049                         for (a=0; a<128; ++a)
1050                                 if (floorlist[a][0]!=0)
1051                                         printf("%s\n",&floorlist[a][0]);
1052                         }
1053                 } while (floornum_to_delete < 0);
1054         sprintf(buf,"KFLR %d|1",floornum_to_delete);
1055         serv_puts(buf);
1056         serv_gets(buf);
1057         printf("%s\n",&buf[4]);
1058         }