citadel/citadel.c

   1 /*
   2  * Citadel/UX
   3  *
   4  * citadel.c - Main source file.
   5  *
   6  */
   7
   8 #include "sysdep.h"
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <fcntl.h>
  12 #include <stdio.h>
  13 #include <ctype.h>
  14 #include <string.h>
  15 #include <time.h>
  16 #include <sys/types.h>
  17 #include <sys/wait.h>
  18 #include <sys/stat.h>
  19 #include <sys/ioctl.h>
  20 #include <signal.h>
  21 #include <pwd.h>
  22 #include <setjmp.h>
  23
  24 #include "citadel.h"
  25 #include "axdefs.h"
  26 #include "serv_info.h"
  27 #include "routines.h"
  28 #include "routines2.h"
  29 #include "commands.h"
  30 #include "rooms.h"
  31 #include "messages.h"
  32 #include "ipc.h"
  33 #include "client_chat.h"
  34 #include "citadel_decls.h"
  35
  36 struct march {
  37         struct march *next;
  38         char march_name[32];
  39         char march_floor;
  40         };
  41
  42 #define IFEXPERT if (userflags&US_EXPERT)
  43 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  44 #define IFAIDE if (axlevel>=6)
  45 #define IFNAIDE if (axlevel<6)
  46
  47 struct march *march = NULL;
  48
  49 /* globals associated with the client program */
  50 char temp[16];                          /* Name of general temp file */
  51 char temp2[16];                         /* Name of general temp file */
  52 char tempdir[16];                       /* Name of general temp dir */
  53 char editor_path[256];                  /* path to external editor */
  54 char printcmd[256];                     /* print command */
  55 int editor_pid = (-1);
  56 char fullname[32];
  57 jmp_buf nextbuf;
  58 struct CtdlServInfo serv_info;          /* Info on the server connected */
  59 int screenwidth;
  60 int screenheight;
  61 unsigned room_flags;
  62 char room_name[32];
  63 char ugname[ROOMNAMELEN];
  64 long uglsn;                             /* holds <u>ngoto info */
  65 char is_mail = 0;                       /* nonzero when we're in a mail room */
  66 char axlevel = 0;                       /* access level */
  67 char is_room_aide = 0;                  /* boolean flag, 1 if room aide */
  68 int timescalled;
  69 int posted;
  70 unsigned userflags;
  71 long usernum = 0L;                      /* user number */
  72 char newnow;
  73 long highest_msg_read;                  /* used for <A>bandon room cmd */
  74 long maxmsgnum;                         /* used for <G>oto */
  75 char sigcaught = 0;
  76 char have_xterm = 0;                    /* are we running on an xterm? */
  77 char rc_username[32];
  78 char rc_password[32];
  79 char rc_floor_mode;
  80 char floor_mode;
  81 char curr_floor = 0;                    /* number of current floor */
  82 char floorlist[128][256];               /* names of floors */
  83 char express_msgs = 0;                  /* express messages waiting! */
  84 char last_paged[32]="";
  85
  86 /*
  87  * here is our 'clean up gracefully and exit' routine
  88  */
  89 void logoff(int code)
  90 {
  91         if (editor_pid>0) {             /* kill the editor if it's running */
  92                 kill(editor_pid,SIGHUP);
  93                 }
  94
  95 /* shut down the server... but not if the logoff code is 3, because
  96  * that means we're exiting because we already lost the server
  97  */
  98         if (code!=3) serv_puts("QUIT");
  99
 100 /*
 101  * now clean up various things
 102  */
 103
 104         unlink(temp);
 105         unlink(temp2);
 106         nukedir(tempdir);
 107
 108         /* Violently kill off any child processes if Citadel is
 109          * the login shell.
 110          */
 111         if (getppid()==1) {
 112                 kill(0-getpgrp(),SIGTERM);
 113                 sleep(1);
 114                 kill(0-getpgrp(),SIGKILL);
 115                 }
 116
 117         sttybbs(SB_RESTORE);            /* return the old terminal settings */
 118         exit(code);                     /* exit with the proper exit code */
 119         }
 120
 121
 122
 123 /*
 124  * We handle "next" and "stop" much differently than in earlier versions.
 125  * The signal catching routine simply sets a flag and returns.
 126  */
 127 void sighandler(int which_sig)
 128 {
 129         signal(SIGINT,SIG_IGN);
 130         signal(SIGQUIT,SIG_IGN);
 131         sigcaught = which_sig;
 132         return;
 133         }
 134
 135
 136 /*
 137  * signal catching function for hangups...
 138  */
 139 void dropcarr(int signum) {
 140         logoff(SIGHUP);
 141         }
 142
 143
 144
 145 /* general purpose routines */
 146
 147 void formout(char *name) /* display a file */
 148
 149         {
 150         char cmd[256];
 151         sprintf(cmd,"MESG %s",name);
 152         serv_puts(cmd);
 153         serv_gets(cmd);
 154         if (cmd[0]!='1') {
 155                 printf("%s\n",&cmd[4]);
 156                 return;
 157                 }
 158         fmout(screenwidth,NULL,
 159                 ((userflags & US_PAGINATOR) ? 1 : 0),
 160                 screenheight,1,1);
 161         }
 162
 163
 164 void userlist(void) {
 165         char buf[256];
 166         char fl[256];
 167         struct tm *tmbuf;
 168         time_t lc;
 169         int linecount = 2;
 170
 171         serv_puts("LIST");
 172         serv_gets(buf);
 173         if (buf[0]!='1') {
 174                 printf("%s\n",&buf[4]);
 175                 return;
 176                 }
 177         sigcaught = 0;
 178         sttybbs(SB_YES_INTR);
 179         printf("       User Name           Num  L  LastCall  Calls Posts\n");
 180         printf("------------------------- ----- - ---------- ----- -----\n");
 181         while (serv_gets(buf), strcmp(buf,"000")) {
 182                 if (sigcaught == 0) {
 183                         extract(fl,buf,0);
 184                         printf("%-25s ",fl);
 185                         printf("%5ld %d ",extract_long(buf,2),
 186                                 extract_int(buf,1));
 187                         lc = extract_long(buf,3);
 188                         tmbuf = (struct tm *)localtime(&lc);
 189                         printf("%02d/%02d/%04d ",
 190                                 (tmbuf->tm_mon+1),
 191                                 tmbuf->tm_mday,
 192                                 (tmbuf->tm_year + 1900));
 193                         printf("%5ld %5ld\n",extract_long(buf,4),extract_long(buf,5));
 194
 195                         ++linecount;
 196                         linecount = checkpagin(linecount,
 197                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 198                                 screenheight);
 199
 200                         }
 201                 }
 202         sttybbs(SB_NO_INTR);
 203         printf("\n");
 204         }
 205
 206
 207 /*
 208  * grab assorted info about the user...
 209  */
 210 void load_user_info(char *params)
 211 {
 212         extract(fullname,params,0);
 213         axlevel = extract_int(params,1);
 214         timescalled = extract_int(params,2);
 215         posted = extract_int(params,3);
 216         userflags = extract_int(params,4);
 217         usernum = extract_long(params,5);
 218         }
 219
 220
 221 /*
 222  * Remove a room from the march list.  'floornum' is ignored unless
 223  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 224  * floor will be removed from the march list.
 225  */
 226 void remove_march(char *roomname, int floornum)
 227 {
 228         struct march *mptr,*mptr2;
 229
 230         if (march==NULL) return;
 231
 232         if ( (!strucmp(march->march_name,roomname))
 233          || ((!strucmp(roomname,"_FLOOR_"))&&(march->march_floor==floornum))) {
 234                 mptr = march->next;
 235                 free(march);
 236                 march = mptr;
 237                 return;
 238                 }
 239
 240         mptr2 = march;
 241         for (mptr=march; mptr!=NULL; mptr=mptr->next) {
 242
 243                 if ( (!strucmp(mptr->march_name,roomname))
 244                    || ((!strucmp(roomname,"_FLOOR_"))
 245                         &&(mptr->march_floor==floornum))) {
 246
 247                         mptr2->next = mptr->next;
 248                         free(mptr);
 249                         mptr=mptr2;
 250                         }
 251                 else {
 252                         mptr2=mptr;
 253                         }
 254                 }
 255         }
 256
 257 /*
 258  * sort the march list by floor
 259  */
 260 void sort_march_list(void) {
 261         struct march *mlist[129];
 262         struct march *mptr = NULL;
 263         int a;
 264
 265         if (march == NULL) return;
 266
 267         for (a=0; a<129; ++a) mlist[a] = NULL;
 268
 269         /* first, create 128 separate lists for each floor. */
 270         while (march != NULL) {
 271
 272                 a = (int)(march->march_floor);
 273
 274                 /* assign an illegal floor number of 128 to _BASEROOM_
 275                  * in order to force it to show up last */
 276                 if (!strucmp(march->march_name,"_BASEROOM_")) a = 128;
 277
 278                 mptr = march;
 279                 march = march->next;
 280                 mptr->next = mlist[a];
 281                 mlist[a] = mptr;
 282                 }
 283
 284         /* now merge the lists, in order, into one big list,
 285          * except the current floor
 286          */
 287         for (a=128; a>=0; --a) if (a != curr_floor) {
 288                 while (mlist[a] != NULL) {
 289                         mptr = mlist[a];
 290                         mlist[a] = mlist[a]->next;
 291                         mptr->next = march;
 292                         march = mptr;
 293                         }
 294                 }
 295
 296         /* now merge in rooms from the current floor */
 297         while (mlist[(int)curr_floor] != NULL) {
 298                 mptr = mlist[(int)curr_floor];
 299                 mlist[(int)curr_floor] = mlist[(int)curr_floor]->next;
 300                 mptr->next = march;
 301                 march = mptr;
 302                 }
 303
 304         }
 305
 306
 307
 308 /*
 309  * jump directly to a room
 310  */
 311 void dotgoto(char *towhere, int display_name)
 312 {
 313         char aaa[256],bbb[256],psearch[256];
 314         static long ls = 0L;
 315         int newmailcount;
 316         static int oldmailcount = (-1);
 317         int partial_match,best_match;
 318         char from_floor;
 319
 320         /* store ungoto information */
 321         strcpy(ugname,room_name);
 322         uglsn = ls;
 323
 324         /* first try an exact match */
 325         sprintf(aaa,"GOTO %s",towhere);
 326         serv_puts(aaa);
 327         serv_gets(aaa);
 328         if (aaa[3]=='*') express_msgs = 1;
 329         if (!strncmp(aaa,"54",2)) {
 330                 newprompt("Enter room password: ",bbb,9);
 331                 sprintf(aaa,"GOTO %s|%s",towhere,bbb);
 332                 serv_puts(aaa);
 333                 serv_gets(aaa);
 334                 if (aaa[3]=='*') express_msgs = 1;
 335                 }
 336         if (!strncmp(aaa,"54",2)) {
 337                 printf("Wrong password.\n");
 338                 return;
 339                 }
 340
 341
 342         /*
 343          * If a match is not found, try a partial match.
 344          * Partial matches anywhere in the string carry a weight of 1,
 345          * left-aligned matches carry a weight of 2.  Pick the room that
 346          * has the highest-weighted match.
 347          */
 348         if (aaa[0]!='2') {
 349                 best_match = 0;
 350                 strcpy(bbb,"");
 351                 serv_puts("LKRA");
 352                 serv_gets(aaa);
 353                 if (aaa[0]=='1') while (serv_gets(aaa), strcmp(aaa,"000")) {
 354                         extract(psearch,aaa,0);
 355                         partial_match = 0;
 356                         if (pattern(psearch,towhere)>=0) {
 357                                 partial_match = 1;
 358                                 }
 359                         if (!struncmp(towhere,psearch,strlen(towhere))) {
 360                                 partial_match = 2;
 361                                 }
 362                         if (partial_match > best_match) {
 363                                 strcpy(bbb,psearch);
 364                                 best_match = partial_match;
 365                                 }
 366                         }
 367                 if (strlen(bbb)==0) {
 368                         printf("No room '%s'.\n",towhere);
 369                         return;
 370                         }
 371                 sprintf(aaa,"GOTO %s",bbb);
 372                 serv_puts(aaa);
 373                 serv_gets(aaa);
 374                 if (aaa[3]=='*') express_msgs = 1;
 375                 }
 376
 377         if (aaa[0]!='2') {
 378                 printf("%s\n",aaa);
 379                 return;
 380                 }
 381
 382         extract(room_name,&aaa[4],0);
 383         room_flags = extract_int(&aaa[4],4);
 384         from_floor = curr_floor;
 385         curr_floor = extract_int(&aaa[4],10);
 386
 387         remove_march(room_name,0);
 388         if (!strucmp(towhere,"_BASEROOM_")) remove_march(towhere,0);
 389         if ((from_floor!=curr_floor) && (display_name>0) && (floor_mode==1)) {
 390                 if (floorlist[(int)curr_floor][0]==0) load_floorlist();
 391                 printf("(Entering floor: %s)\n",&floorlist[(int)curr_floor][0]);
 392                 }
 393         if (display_name == 1) printf("%s - ",room_name);
 394         if (display_name != 2) printf("%d new of %d messages.\n",
 395                 extract_int(&aaa[4],1),
 396                 extract_int(&aaa[4],2));
 397         highest_msg_read = extract_int(&aaa[4],6);
 398         maxmsgnum = extract_int(&aaa[4],5);
 399         is_mail = (char) extract_int(&aaa[4],7);
 400         is_room_aide = (char) extract_int(&aaa[4],8);
 401         ls = extract_long(&aaa[4],6);
 402
 403         /* read info file if necessary */
 404         if (extract_int(&aaa[4],3) > 0) readinfo();
 405
 406         /* check for newly arrived mail if we can */
 407         if (num_parms(&aaa[4])>=10) {
 408                 newmailcount = extract_int(&aaa[4],9);
 409                 if ( (oldmailcount >= 0) && (newmailcount > oldmailcount) )
 410                         printf("*** You have new mail\n");
 411                 oldmailcount = newmailcount;
 412                 }
 413         }
 414
 415 /* Goto next room having unread messages.
 416  * We want to skip over rooms that the user has already been to, and take the
 417  * user back to the lobby when done.  The room we end up in is placed in
 418  * newroom - which is set to 0 (the lobby) initially.
 419  */
 420 void gotonext(void) {
 421         char buf[256];
 422         struct march *mptr,*mptr2;
 423         char next_room[32];
 424
 425         /* Check to see if the march-mode list is already allocated.
 426          * If it is, pop the first room off the list and go there.
 427          */
 428         if (march==NULL) {
 429                 serv_puts("LKRN");
 430                 serv_gets(buf);
 431                 if (buf[0]=='1')
 432                     while (serv_gets(buf), strcmp(buf,"000")) {
 433                         mptr = (struct march *) malloc(sizeof(struct march));
 434                         mptr->next = NULL;
 435                         extract(mptr->march_name,buf,0);
 436                         mptr->march_floor = (char) (extract_int(buf,2) & 0x7F);
 437                         if (march==NULL) {
 438                                 march = mptr;
 439                                 }
 440                         else {
 441                                 mptr2 = march;
 442                                 while (mptr2->next != NULL)
 443                                         mptr2 = mptr2->next;
 444                                 mptr2->next = mptr;
 445                                 }
 446                         }
 447
 448 /* add _BASEROOM_ to the end of the march list, so the user will end up
 449  * in the system base room (usually the Lobby>) at the end of the loop
 450  */
 451                 mptr = (struct march *) malloc(sizeof(struct march));
 452                 mptr->next = NULL;
 453                 strcpy(mptr->march_name,"_BASEROOM_");
 454                 if (march==NULL) {
 455                         march = mptr;
 456                         }
 457                 else {
 458                         mptr2 = march;
 459                         while (mptr2->next != NULL)
 460                                 mptr2 = mptr2->next;
 461                         mptr2->next = mptr;
 462                         }
 463 /*
 464  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 465  * walk around in circles
 466  */
 467                 remove_march(room_name,0);
 468                 }
 469
 470         sort_march_list();
 471
 472         if (march!=NULL) {
 473                 strcpy(next_room,march->march_name);
 474                 }
 475         else {
 476                 strcpy(next_room,"_BASEROOM_");
 477                 }
 478         remove_march(next_room,0);
 479         dotgoto(next_room,1);
 480    }
 481
 482 /*
 483  * forget all rooms on a given floor
 484  */
 485 void forget_all_rooms_on(int ffloor)
 486 {
 487         char buf[256];
 488         struct march *flist,*fptr;
 489
 490         printf("Forgetting all rooms on %s...\r",&floorlist[ffloor][0]);
 491         fflush(stdout);
 492         sprintf(buf,"LKRA %d",ffloor);
 493         serv_puts(buf);
 494         serv_gets(buf);
 495         if (buf[0]!='1') {
 496                 printf("%-72s\n",&buf[4]);
 497                 return;
 498                 }
 499         flist = NULL;
 500         while (serv_gets(buf), strcmp(buf,"000")) {
 501                 fptr = (struct march *) malloc(sizeof(struct march));
 502                 fptr->next = flist;
 503                 flist = fptr;
 504                 extract(fptr->march_name,buf,0);
 505                 }
 506         while (flist != NULL) {
 507                 sprintf(buf,"GOTO %s",flist->march_name);
 508                 serv_puts(buf);
 509                 serv_gets(buf);
 510                 if (buf[0]=='2') {
 511                         serv_puts("FORG");
 512                         serv_gets(buf);
 513                         }
 514                 fptr = flist;
 515                 flist = flist->next;
 516                 free(fptr);
 517                 }
 518         printf("%-72s\r","");
 519         }
 520
 521
 522 /*
 523  * routine called by gotofloor() to move to a new room on a new floor
 524  */
 525 void gf_toroom(char *towhere, int mode)
 526 {
 527         int floor_being_left;
 528
 529         floor_being_left = curr_floor;
 530
 531         if (mode == GF_GOTO) {          /* <;G>oto mode */
 532                 updatels();
 533                 dotgoto(towhere,1);
 534                 }
 535
 536         if (mode == GF_SKIP) {          /* <;S>kip mode */
 537                 dotgoto(towhere,1);
 538                 remove_march("_FLOOR_",floor_being_left);
 539                 }
 540
 541         if (mode == GF_ZAP) {           /* <;Z>ap mode */
 542                 dotgoto(towhere,1);
 543                 remove_march("_FLOOR_",floor_being_left);
 544                 forget_all_rooms_on(floor_being_left);
 545                 }
 546         }
 547
 548
 549 /*
 550  * go to a new floor
 551  */
 552 void gotofloor(char *towhere, int mode)
 553 {
 554         int a,tofloor;
 555         struct march *mptr;
 556         char buf[256],targ[256];
 557
 558         if (floorlist[0][0]==0) load_floorlist();
 559         tofloor = (-1);
 560         for (a=0; a<128; ++a) if (!strucmp(&floorlist[a][0],towhere))
 561                 tofloor = a;
 562
 563         if (tofloor<0) {
 564                 for (a=0; a<128; ++a) {
 565                     if (!struncmp(&floorlist[a][0],towhere,strlen(towhere))) {
 566                         tofloor = a;
 567                         }
 568                     }
 569                 }
 570
 571         if (tofloor<0) {
 572                 for (a=0; a<128; ++a)
 573                     if (pattern(towhere,&floorlist[a][0])>0)
 574                         tofloor = a;
 575                 }
 576
 577         if (tofloor<0) {
 578                 printf("No floor '%s'.\n",towhere);
 579                 return;
 580                 }
 581
 582         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 583                 if ((mptr->march_floor) == tofloor)
 584                         gf_toroom(mptr->march_name,mode);
 585                         return;
 586                 }
 587
 588         strcpy(targ,"");
 589         sprintf(buf,"LKRA %d",tofloor);
 590         serv_puts(buf);
 591         serv_gets(buf);
 592         if (buf[0]=='1') while (serv_gets(buf), strcmp(buf,"000")) {
 593                 if ((extract_int(buf,2)==tofloor)&&(strlen(targ)==0))
 594                          extract(targ,buf,0);
 595                 }
 596         if (strlen(targ)>0) {
 597                 gf_toroom(targ,mode);
 598                 }
 599         else {
 600                 printf("There are no rooms on '%s'.\n",&floorlist[tofloor][0]);
 601                 }
 602         }
 603
 604
 605 /*
 606  * forget all rooms on current floor
 607  */
 608 void forget_this_floor(void) {
 609
 610         if (curr_floor == 0) {
 611                 printf("Can't forget this floor.\n");
 612                 return;
 613                 }
 614
 615         if (floorlist[0][0]==0) load_floorlist();
 616         printf("Are you sure you want to forget all rooms on %s? ",
 617                 &floorlist[(int)curr_floor][0]);
 618         if (yesno()==0) return;
 619
 620         gf_toroom("_BASEROOM_",GF_ZAP);
 621         }
 622
 623
 624 /*
 625  * Figure out the physical screen dimensions, if we can
 626  */
 627 void check_screen_dims(void) {
 628 #ifdef TIOCGWINSZ
 629         struct {
 630                 unsigned short height;          /* rows */
 631                 unsigned short width;           /* columns */
 632                 unsigned short xpixels;
 633                 unsigned short ypixels;         /* pixels */
 634         } xwinsz;
 635
 636         if (have_xterm) {       /* dynamically size screen if on an xterm */
 637                 if ( ioctl(0, TIOCGWINSZ, &xwinsz) == 0 ) {
 638                         if (xwinsz.height) screenheight = (int) xwinsz.height;
 639                         if (xwinsz.width) screenwidth = (int) xwinsz.width;
 640                         }
 641                 }
 642 #endif
 643         }
 644
 645
 646 /*
 647  * set floor mode depending on client, server, and user settings
 648  */
 649 void set_floor_mode(void) {
 650         if (serv_info.serv_ok_floors == 0) {
 651                 floor_mode = 0;         /* Don't use floors if the server */
 652                 }                       /* doesn't support them!          */
 653         else {
 654                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 655                         floor_mode = 0;
 656                         }
 657                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 658                         floor_mode = 1;
 659                         }
 660                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 661                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 662                         }
 663                 }
 664         }
 665
 666 /*
 667  * Set or change the user's password
 668  */
 669 int set_password(void) {
 670         char pass1[20];
 671         char pass2[20];
 672         char buf[256];
 673
 674         if (strlen(rc_password) > 0) {
 675                 strcpy(pass1,rc_password);
 676                 strcpy(pass2,rc_password);
 677                 }
 678         else {
 679                 IFNEXPERT formout("changepw");
 680                 newprompt("Enter a new password: ", pass1, -19);
 681                 newprompt("Enter it again to confirm: ", pass2, -19);
 682                 }
 683         if (!strucmp(pass1,pass2)) {
 684                 sprintf(buf,"SETP %s",pass1);
 685                 serv_puts(buf);
 686                 serv_gets(buf);
 687                 printf("%s\n",&buf[4]);
 688                 return(0);
 689                 }
 690         else {
 691                 printf("*** They don't match... try again.\n");
 692                 return(1);
 693                 }
 694         }
 695
 696
 697
 698 /*
 699  * get info about the server we've connected to
 700  */
 701 void get_serv_info(void) {
 702         char buf[256];
 703
 704         CtdlInternalGetServInfo(&serv_info);
 705
 706         /* be nice and identify ourself to the server */
 707         sprintf(buf,"IDEN %d|%d|%d|%s|",
 708                 SERVER_TYPE,0,REV_LEVEL,
 709                 (server_is_local ? "local" : CITADEL));
 710         locate_host(&buf[strlen(buf)]); /* append to the end */
 711         serv_puts(buf);
 712         serv_gets(buf); /* we don't care about the result code */
 713         }
 714
 715
 716
 717
 718
 719 /*
 720  * Display list of users currently logged on to the server
 721  */
 722 void who_is_online(int longlist)
 723 {
 724         char buf[128], username[128], roomname[128], fromhost[128], flags[128];
 725         char tbuf[128], timestr[128], idlebuf[128], clientsoft[128];
 726         time_t timenow=0;
 727         time_t idletime, idlehours, idlemins, idlesecs;
 728
 729         if (longlist)
 730         {
 731            serv_puts("TIME");
 732            serv_gets(tbuf);
 733            extract(timestr, tbuf, 1);
 734            timenow = atol(timestr);
 735         }
 736         else {
 737         printf("FLG ###        User Name                 Room                 From host\n");
 738         printf("--- --- ------------------------- -------------------- ------------------------\n");
 739                 }
 740         serv_puts("RWHO");
 741         serv_gets(buf);
 742         if (buf[0]=='1')
 743         {
 744                 while(serv_gets(buf), strcmp(buf,"000"))
 745                 {
 746                         extract(username,buf,1);
 747                         extract(roomname,buf,2);
 748                         extract(fromhost,buf,3);
 749                         extract(clientsoft, buf, 4);
 750                         extract(idlebuf, buf,5);
 751                         extract(flags,buf,7);
 752
 753                         if (longlist) {
 754                                 idletime = timenow - atol(idlebuf);
 755                                 idlehours = idletime / 3600;
 756                                 idlemins = (idletime - (idlehours*3600)) / 60;
 757                                 idlesecs = (idletime - (idlehours*3600) - (idlemins*60) );
 758                                 printf("\nFlags: %-3s  Sess# %-3d  Name: %-25s  Room: %s\n",
 759                                         flags, extract_int(buf,0), username, roomname);
 760                                 printf("from <%s> using <%s>, idle %ld:%02ld:%02ld\n",
 761                                         fromhost, clientsoft,
 762                                         (long)idlehours, (long)idlemins, (long)idlesecs);
 763
 764                                 }
 765                         else {
 766                         printf("%-3s %-3d %-25s %-20s %-24s\n",
 767                                 flags, extract_int(buf,0), username,
 768                                 roomname, fromhost);
 769                                 }
 770                         }
 771                 }
 772         }
 773
 774 void enternew(char *desc, char *buf, int maxlen)
 775 {
 776    char bbb[128];
 777    sprintf(bbb, "Enter in your new %s: ", desc);
 778    newprompt(bbb, buf, maxlen);
 779 }
 780
 781 /*
 782  * main
 783  */
 784 int main(int argc, char **argv)
 785 {
 786 int a,b,mcmd;
 787 int termn8 = 0;
 788 char aaa[100],bbb[100],ccc[100],eee[100];       /* general purpose variables */
 789 char argbuf[32];                                /* command line buf */
 790
 791
 792 load_command_set();             /* parse the citadel.rc file */
 793 sttybbs(SB_SAVE);               /* Store the old terminal parameters */
 794 sttybbs(SB_NO_INTR);            /* Install the new ones */
 795 signal(SIGINT,SIG_IGN);
 796 signal(SIGQUIT,SIG_IGN);
 797 signal(SIGHUP,dropcarr);        /* Cleanup gracefully if carrier is dropped */
 798 signal(SIGTERM,dropcarr);       /* Cleanup gracefully if terminated */
 799
 800 send_ansi_detect();
 801 printf("Attaching to server...\r");
 802 fflush(stdout);
 803 attach_to_server(argc,argv);
 804
 805 cls();
 806 color(7);
 807 serv_gets(aaa);
 808 if (aaa[0]!='2') {
 809         printf("%s\n",&aaa[4]);
 810         logoff(atoi(aaa));
 811         }
 812 get_serv_info();
 813
 814 printf("%-22s\n%s\n%s\n",serv_info.serv_software,serv_info.serv_humannode,
 815         serv_info.serv_bbs_city);
 816 screenwidth = 80;               /* default screen dimensions */
 817 screenheight = 24;
 818
 819 printf(" pause    next    stop\n");
 820 printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
 821 formout("hello");               /* print the opening greeting */
 822 printf("\n");
 823
 824         /* if we're not the login shell, try auto-login */
 825 if (getppid()!=1) {
 826         serv_puts("AUTO");
 827         serv_gets(aaa);
 828         if (aaa[0]=='2') {
 829                 load_user_info(&aaa[4]);
 830                 goto PWOK;
 831                 }
 832         }
 833
 834 look_for_ansi();
 835
 836 GSTA:   termn8=0; newnow=0;
 837         do {
 838                 if (strlen(rc_username) > 0) {
 839                         strcpy(fullname,rc_username);
 840                         }
 841                 else {
 842                         newprompt("Enter your name: ",fullname,29);
 843                         }
 844                 strproc(fullname);
 845                 if (!strucmp(fullname,"new")) {         /* just in case */
 846                    printf("Please enter the name you wish to log in with.\n");
 847                    }
 848                 } while(
 849                         (!strucmp(fullname,"bbs"))
 850                         || (!strucmp(fullname,"new"))
 851                         || (strlen(fullname)==0) );
 852
 853         if (!strucmp(fullname,"off")) {
 854                 mcmd=29;
 855                 goto TERMN8;
 856                 }
 857
 858         /* sign on to the server */
 859         sprintf(aaa,"USER %s",fullname);
 860         serv_puts(aaa);
 861         serv_gets(aaa);
 862         if (aaa[0]!='3') goto NEWUSR;
 863
 864         /* password authentication */
 865         if (strlen(rc_password)>0) {
 866                 strcpy(eee,rc_password);
 867                 }
 868         else {
 869                 newprompt("\rPlease enter your password: ",eee,-19);
 870                 }
 871         strproc(eee);
 872         sprintf(aaa,"PASS %s",eee);
 873         serv_puts(aaa);
 874         serv_gets(aaa);
 875         if (aaa[0]=='2') {
 876                 load_user_info(&aaa[4]);
 877                 goto PWOK;
 878                 }
 879
 880         printf("<< wrong password >>\n");
 881         if (strlen(rc_password)>0) logoff(0);
 882         goto GSTA;
 883
 884 NEWUSR: if (strlen(rc_password)==0) {
 885                 printf("No record. Enter as new user? ");
 886                 if (yesno()==0) goto GSTA;
 887                 }
 888
 889         sprintf(aaa,"NEWU %s",fullname);
 890         serv_puts(aaa);
 891         serv_gets(aaa);
 892         if (aaa[0]!='2') {
 893                 printf("%s\n",aaa);
 894                 goto GSTA;
 895                 }
 896         load_user_info(&aaa[4]);
 897
 898         while (set_password() != 0) ;;
 899         newnow=1;
 900
 901         enter_config(1);
 902
 903
 904 PWOK:   printf("%s\nAccess level: %d (%s)\nUser #%ld / Call #%d\n",
 905                 fullname,axlevel,axdefs[(int)axlevel],
 906                 usernum,timescalled);
 907
 908         serv_puts("CHEK");
 909         serv_gets(aaa);
 910         if (aaa[0]=='2') {
 911                 b = extract_int(&aaa[4],0);
 912                 if (b==1) printf("*** You have a new private message in Mail>\n");
 913                 if (b>1)  printf("*** You have %d new private messages in Mail>\n",b);
 914
 915                 if ((axlevel>=6) && (extract_int(&aaa[4],2)>0)) {
 916                         printf("*** Users need validation\n");
 917                         }
 918
 919                 if (extract_int(&aaa[4],1)>0) {
 920                         printf("*** Please register.\n");
 921                         formout("register");
 922                         entregis();
 923                         }
 924                 }
 925
 926         /* Make up some temporary filenames for use in various parts of the
 927          * program.  Don't mess with these once they've been set, because we
 928          * will be unlinking them later on in the program and we don't
 929          * want to delete something that we didn't create. */
 930         sprintf(temp,"/tmp/citA%d",getpid());
 931         sprintf(temp2,"/tmp/citB%d",getpid());
 932         sprintf(tempdir,"/tmp/citC%d",getpid());
 933
 934         /* Get screen dimensions.  First we go to a default of 80x24.  Then
 935          * we try to get the user's actual screen dimensions off the server.
 936          * However, if we're running on an xterm, all this stuff is
 937          * irrelevant because we're going to dynamically size the screen
 938          * during the session.
 939          */
 940         screenwidth = 80;
 941         screenheight = 24;
 942         serv_puts("GETU");
 943         serv_gets(aaa);
 944         if (aaa[0]=='2') {
 945                 screenwidth = extract_int(&aaa[4],0);
 946                 screenheight = extract_int(&aaa[4],1);
 947                 }
 948         if (getenv("TERM")!=NULL) if (!strcmp(getenv("TERM"),"xterm")) {
 949                 have_xterm = 1;
 950                 }
 951 #ifdef TIOCGWINSZ
 952         check_screen_dims();
 953 #endif
 954
 955         set_floor_mode();
 956
 957
 958         /* Enter the lobby */
 959         dotgoto("_BASEROOM_",1);
 960
 961 /* Main loop for the system... user is logged in. */
 962         strcpy(ugname,"");
 963         uglsn = 0L;
 964
 965         if (newnow==1)  readmsgs(3,1,5);
 966                 else    readmsgs(1,1,0);
 967
 968 do {    /* MAIN LOOP OF PROGRAM */
 969         signal(SIGINT,SIG_IGN);
 970         signal(SIGQUIT,SIG_IGN);
 971         mcmd=getcmd(argbuf);
 972
 973 #ifdef TIOCGWINSZ
 974         check_screen_dims();
 975 #endif
 976
 977         if (termn8==0) switch(mcmd) {
 978            case 1:      formout("help");
 979                         break;
 980            case 4:      entmsg(0,0);
 981                         break;
 982            case 36:     entmsg(0,1);
 983                         break;
 984            case 46:     entmsg(0,2);
 985                         break;
 986            case 78:     newprompt("What do you want your username to be? ", aaa, 32);
 987                         sprintf(bbb, "ENT0 2|0|0|0|%s", aaa);
 988                         serv_puts(bbb);
 989                         serv_gets(aaa);
 990                         if (strncmp("200", aaa, 3))
 991                            printf("\n%s\n", aaa);
 992                         else
 993                            entmsg(0, 0);
 994                         break;
 995            case 5:      updatels();
 996                         gotonext();
 997                         break;
 998            case 47:     updatelsa();
 999                         gotonext();
1000                         break;
1001            case 58:     updatelsa();
1002                         dotgoto("_MAIL_",1);
1003                         break;
1004            case 20:     updatels();
1005            case 52:     dotgoto(argbuf,0);
1006                         break;
1007            case 10:     readmsgs(0,1,0);
1008                         break;
1009            case 9:      readmsgs(3,1,5);
1010                         break;
1011            case 13:     readmsgs(1,1,0);
1012                         break;
1013            case 11:     readmsgs(0,(-1),0);
1014                         break;
1015            case 12:     readmsgs(2,(-1),0);
1016                         break;
1017            case 71:     readmsgs(3, 1, atoi(argbuf));
1018                         break;
1019            case 7:      forget();       break;
1020            case 18:     subshell();     break;
1021            case 38:     updatels();
1022                         entroom();      break;
1023            case 22:     killroom();     break;
1024            case 32:     userlist();     break;
1025            case 27:     invite();       break;
1026            case 28:     kickout();      break;
1027            case 23:     editthisroom(); break;
1028            case 14:     roomdir();      break;
1029            case 33:     download(0);    break;
1030            case 34:     download(1);    break;
1031            case 31:     download(2);    break;
1032            case 43:     download(3);    break;
1033            case 45:     download(4);    break;
1034            case 55:     download(5);    break;
1035            case 39:     upload(0);      break;
1036            case 40:     upload(1);      break;
1037            case 42:     upload(2);      break;
1038            case 44:     upload(3);      break;
1039            case 57:     cli_upload();   break;
1040            case 16:     ungoto();       break;
1041            case 24:     whoknows();     break;
1042            case 26:     validate();     break;
1043            case 29:     updatels();
1044                         termn8=1;
1045                         break;
1046            case 30:     updatels();
1047                         termn8=1;
1048                         break;
1049            case 48:     enterinfo();
1050                         break;
1051            case 49:     readinfo();
1052                         break;
1053            case 72:     cli_image_upload("_userpic_");
1054                         break;
1055            case 73:     cli_image_upload("_roompic_");
1056                         break;
1057
1058 case 74:
1059         sprintf(aaa, "_floorpic_|%d", curr_floor);
1060         cli_image_upload(aaa);
1061         break;
1062
1063 case 75:
1064         enternew("roomname", aaa, 20);
1065         sprintf(bbb, "RCHG %s", aaa);
1066         serv_puts(bbb);
1067         serv_gets(aaa);
1068         if (strncmp("200",aaa, 3))
1069            printf("\n%s\n", aaa);
1070         break;
1071 case 76:
1072         enternew("hostname", aaa, 25);
1073         sprintf(bbb, "HCHG %s", aaa);
1074         serv_puts(bbb);
1075         serv_gets(aaa);
1076         if (strncmp("200",aaa, 3))
1077            printf("\n%s\n", aaa);
1078         break;
1079 case 77:
1080         enternew("username", aaa, 32);
1081         sprintf(bbb, "UCHG %s", aaa);
1082         serv_puts(bbb);
1083         serv_gets(aaa);
1084         if (strncmp("200",aaa, 3))
1085            printf("\n%s\n", aaa);
1086         break;
1087
1088 case 35:
1089         set_password();
1090         break;
1091
1092 case 21:
1093         if (argbuf[0]==0) strcpy(aaa,"?");
1094         display_help(argbuf);
1095         break;
1096
1097 case 41:
1098         formout("register");
1099         entregis();
1100         break;
1101
1102 case 15:
1103         printf("Are you sure (y/n)? ");
1104         if (yesno()==1) {
1105                 updatels();
1106                 a=0;
1107                 termn8=1;
1108                 }
1109         break;
1110
1111 case 6:
1112         gotonext();
1113         break;
1114
1115 case 3: chatmode();
1116         break;
1117
1118 case 2: if (server_is_local) {
1119                 sttybbs(SB_RESTORE);
1120 sprintf(aaa,"USERNAME=\042%s\042; export USERNAME; exec ./subsystem %ld %d %d",
1121                         fullname,
1122                         usernum,screenwidth,axlevel);
1123                 ka_system(aaa);
1124                 sttybbs(SB_NO_INTR);
1125                 }
1126         else {
1127                 printf("*** Can't run doors when server is not local.\n");
1128                 }
1129         break;
1130
1131 case 17:
1132         who_is_online(0);
1133         break;
1134
1135 case 79:
1136         who_is_online(1);
1137         break;
1138
1139 case 50:
1140         enter_config(2);
1141         break;
1142
1143 case 37:
1144         enter_config(0);
1145         set_floor_mode();
1146         break;
1147
1148 case 59:
1149         enter_config(3);
1150         set_floor_mode();
1151         break;
1152
1153 case 60:
1154         gotofloor(argbuf,GF_GOTO);
1155         break;
1156
1157 case 61:
1158         gotofloor(argbuf,GF_SKIP);
1159         break;
1160
1161 case 62:
1162         forget_this_floor();
1163         break;
1164
1165 case 63:
1166         create_floor();
1167         break;
1168
1169 case 64:
1170         edit_floor();
1171         break;
1172
1173 case 65:
1174         kill_floor();
1175         break;
1176
1177 case 66:
1178         enter_bio();
1179         break;
1180
1181 case 67:
1182         read_bio();
1183         break;
1184
1185 case 25:
1186         edituser();
1187         break;
1188
1189 case 8:
1190         knrooms(floor_mode);
1191         printf("\n");
1192         break;
1193
1194 case 68:
1195         knrooms(2);
1196         printf("\n");
1197         break;
1198
1199 case 69:
1200         misc_server_cmd(argbuf);
1201         break;
1202
1203 case 70:
1204         edit_system_message(argbuf);
1205         break;
1206
1207 case 19:
1208         listzrooms();
1209         printf("\n");
1210         break;
1211
1212 case 51:
1213         deletefile();
1214         break;
1215
1216 case 53:
1217         netsendfile();
1218         break;
1219
1220 case 54:
1221         movefile();
1222         break;
1223
1224 case 56:
1225         if (last_paged[0])
1226            sprintf(bbb, "Page who [%s]? ", last_paged);
1227         else
1228            sprintf(bbb, "Page who? ");
1229         newprompt(bbb,aaa,30);
1230         if (!aaa[0])
1231            strcpy(aaa, last_paged);
1232         strproc(aaa);
1233         newprompt("Message:  ",bbb,69);
1234         sprintf(ccc,"SEXP %s|%s",aaa,bbb);
1235         serv_puts(ccc);
1236         serv_gets(ccc);
1237         if (!strncmp("200", ccc, 3))
1238            strcpy(last_paged, aaa);
1239         printf("%s\n",&ccc[4]);
1240         break;
1241
1242         } /* end switch */
1243     } while(termn8==0);
1244
1245 TERMN8: printf("%s logged out.\n",fullname);
1246         while (march!=NULL) remove_march(march->march_name,0);
1247         if (mcmd==30)
1248                 printf("\n\nType 'off' to hang up, or next user...\n");
1249         sprintf(aaa,"LOUT");
1250         serv_puts(aaa);
1251         serv_gets(aaa);
1252         if ((mcmd==29)||(mcmd==15)) {
1253                 formout("goodbye");
1254                 logoff(0);
1255                 }
1256         goto GSTA;
1257
1258 } /* end main() */
1259