citadel/citadel.c

   1 /*
   2  * Citadel/UX
   3  *
   4  * citadel.c - Main source file.
   5  * $Id$
   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 "rooms.h"
  30 #include "messages.h"
  31 #include "commands.h"
  32 #include "ipc.h"
  33 #include "client_chat.h"
  34 #include "citadel_decls.h"
  35 #include "tools.h"
  36
  37 struct march {
  38         struct march *next;
  39         char march_name[32];
  40         char march_floor;
  41         char march_order;
  42         };
  43
  44 #define IFEXPERT if (userflags&US_EXPERT)
  45 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  46 #define IFAIDE if (axlevel>=6)
  47 #define IFNAIDE if (axlevel<6)
  48
  49 struct march *march = NULL;
  50
  51 /* globals associated with the client program */
  52 char temp[16];                          /* Name of general temp file */
  53 char temp2[16];                         /* Name of general temp file */
  54 char tempdir[16];                       /* Name of general temp dir */
  55 char editor_path[256];                  /* path to external editor */
  56 char printcmd[256];                     /* print command */
  57 int editor_pid = (-1);
  58 char fullname[32];
  59 jmp_buf nextbuf;
  60 struct CtdlServInfo serv_info;          /* Info on the server connected */
  61 int screenwidth;
  62 int screenheight;
  63 unsigned room_flags;
  64 char room_name[ROOMNAMELEN];
  65 char ugname[ROOMNAMELEN];
  66 long uglsn;                             /* holds <u>ngoto info */
  67 char is_mail = 0;                       /* nonzero when we're in a mail room */
  68 char axlevel = 0;                       /* access level */
  69 char is_room_aide = 0;                  /* boolean flag, 1 if room aide */
  70 int timescalled;
  71 int posted;
  72 unsigned userflags;
  73 long usernum = 0L;                      /* user number */
  74 char newnow;
  75 long highest_msg_read;                  /* used for <A>bandon room cmd */
  76 long maxmsgnum;                         /* used for <G>oto */
  77 char sigcaught = 0;
  78 char have_xterm = 0;                    /* are we running on an xterm? */
  79 char rc_username[32];
  80 char rc_password[32];
  81 char rc_floor_mode;
  82 char floor_mode;
  83 char curr_floor = 0;                    /* number of current floor */
  84 char floorlist[128][256];               /* names of floors */
  85 char express_msgs = 0;                  /* express messages waiting! */
  86
  87 jmp_buf jmp_reconnect;                  /* for server reconnects */
  88 char re_username[32];
  89 char re_password[32];
  90
  91 void sigpipehandler(int nothing) {
  92         longjmp(jmp_reconnect, nothing);
  93         }
  94
  95 /*
  96  * here is our 'clean up gracefully and exit' routine
  97  */
  98 void logoff(int code)
  99 {
 100         if (editor_pid>0) {             /* kill the editor if it's running */
 101                 kill(editor_pid,SIGHUP);
 102                 }
 103
 104 /* shut down the server... but not if the logoff code is 3, because
 105  * that means we're exiting because we already lost the server
 106  */
 107         if (code!=3) serv_puts("QUIT");
 108
 109 /*
 110  * now clean up various things
 111  */
 112
 113         unlink(temp);
 114         unlink(temp2);
 115         nukedir(tempdir);
 116
 117         /* Violently kill off any child processes if Citadel is
 118          * the login shell.
 119          */
 120         if (getppid()==1) {
 121                 kill(0-getpgrp(),SIGTERM);
 122                 sleep(1);
 123                 kill(0-getpgrp(),SIGKILL);
 124                 }
 125
 126         sttybbs(SB_RESTORE);            /* return the old terminal settings */
 127         exit(code);                     /* exit with the proper exit code */
 128         }
 129
 130
 131
 132 /*
 133  * We handle "next" and "stop" much differently than in earlier versions.
 134  * The signal catching routine simply sets a flag and returns.
 135  */
 136 void sighandler(int which_sig)
 137 {
 138         signal(SIGINT,SIG_IGN);
 139         signal(SIGQUIT,SIG_IGN);
 140         sigcaught = which_sig;
 141         return;
 142         }
 143
 144
 145 /*
 146  * signal catching function for hangups...
 147  */
 148 void dropcarr(int signum) {
 149         logoff(SIGHUP);
 150         }
 151
 152
 153
 154 /*
 155  * catch SIGCONT to reset terminal modes when were are put back into the
 156  * foreground.
 157  */
 158 void catch_sigcont(int signum) {
 159         sttybbs(SB_LAST);
 160         }
 161
 162
 163
 164 /* general purpose routines */
 165
 166 void formout(char *name) /* display a file */
 167
 168         {
 169         char cmd[256];
 170         snprintf(cmd,sizeof cmd,"MESG %s",name);
 171         serv_puts(cmd);
 172         serv_gets(cmd);
 173         if (cmd[0]!='1') {
 174                 printf("%s\n",&cmd[4]);
 175                 return;
 176                 }
 177         fmout(screenwidth,NULL,
 178                 ((userflags & US_PAGINATOR) ? 1 : 0),
 179                 screenheight,1,1);
 180         }
 181
 182
 183 void userlist(void) {
 184         char buf[256];
 185         char fl[256];
 186         struct tm *tmbuf;
 187         time_t lc;
 188         int linecount = 2;
 189
 190         serv_puts("LIST");
 191         serv_gets(buf);
 192         if (buf[0]!='1') {
 193                 printf("%s\n",&buf[4]);
 194                 return;
 195                 }
 196         sigcaught = 0;
 197         sttybbs(SB_YES_INTR);
 198         printf("       User Name           Num  L  LastCall  Calls Posts\n");
 199         printf("------------------------- ----- - ---------- ----- -----\n");
 200         while (serv_gets(buf), strcmp(buf,"000")) {
 201                 if (sigcaught == 0) {
 202                         extract(fl,buf,0);
 203                         printf("%-25s ",fl);
 204                         printf("%5ld %d ",extract_long(buf,2),
 205                                 extract_int(buf,1));
 206                         lc = extract_long(buf,3);
 207                         tmbuf = (struct tm *)localtime(&lc);
 208                         printf("%02d/%02d/%04d ",
 209                                 (tmbuf->tm_mon+1),
 210                                 tmbuf->tm_mday,
 211                                 (tmbuf->tm_year + 1900));
 212                         printf("%5ld %5ld\n",extract_long(buf,4),extract_long(buf,5));
 213
 214                         ++linecount;
 215                         linecount = checkpagin(linecount,
 216                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 217                                 screenheight);
 218
 219                         }
 220                 }
 221         sttybbs(SB_NO_INTR);
 222         printf("\n");
 223         }
 224
 225
 226 /*
 227  * grab assorted info about the user...
 228  */
 229 void load_user_info(char *params)
 230 {
 231         extract(fullname,params,0);
 232         axlevel = extract_int(params,1);
 233         timescalled = extract_int(params,2);
 234         posted = extract_int(params,3);
 235         userflags = extract_int(params,4);
 236         usernum = extract_long(params,5);
 237         }
 238
 239
 240 /*
 241  * Remove a room from the march list.  'floornum' is ignored unless
 242  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 243  * floor will be removed from the march list.
 244  */
 245 void remove_march(char *roomname, int floornum)
 246 {
 247         struct march *mptr,*mptr2;
 248
 249         if (march==NULL) return;
 250
 251         if ( (!strucmp(march->march_name,roomname))
 252          || ((!strucmp(roomname,"_FLOOR_"))&&(march->march_floor==floornum))) {
 253                 mptr = march->next;
 254                 free(march);
 255                 march = mptr;
 256                 return;
 257                 }
 258
 259         mptr2 = march;
 260         for (mptr=march; mptr!=NULL; mptr=mptr->next) {
 261
 262                 if ( (!strucmp(mptr->march_name,roomname))
 263                    || ((!strucmp(roomname,"_FLOOR_"))
 264                         &&(mptr->march_floor==floornum))) {
 265
 266                         mptr2->next = mptr->next;
 267                         free(mptr);
 268                         mptr=mptr2;
 269                         }
 270                 else {
 271                         mptr2=mptr;
 272                         }
 273                 }
 274         }
 275
 276
 277 /*
 278  * Locate the room on the march list which we most want to go to.  Each room
 279  * is measured given a "weight" of preference based on various factors.
 280  */
 281 char *pop_march(int desired_floor) {
 282         static char TheRoom[ROOMNAMELEN];
 283         int TheFloor = 0;
 284         int TheOrder = 32767;
 285         int TheWeight = 0;
 286         int weight;
 287         struct march *mptr = NULL;
 288
 289         strcpy(TheRoom, "_BASEROOM_");
 290         if (march == NULL) return(TheRoom);
 291
 292         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 293                 weight = 0;
 294                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 295                         weight = weight + 10000;
 296                 if (mptr->march_floor == desired_floor)
 297                         weight = weight + 5000;
 298
 299                         weight = weight + ((128-(mptr->march_floor))*128);
 300                         weight = weight + (128-(mptr->march_order));
 301
 302                 if (weight > TheWeight) {
 303                         TheWeight = weight;
 304                         strcpy(TheRoom, mptr->march_name);
 305                         TheFloor = mptr->march_floor;
 306                         TheOrder = mptr->march_order;
 307                         }
 308                 }
 309         return(TheRoom);
 310         }
 311
 312
 313 /*
 314  * jump directly to a room
 315  */
 316 void dotgoto(char *towhere, int display_name)
 317 {
 318         char aaa[256],bbb[256],psearch[256];
 319         static long ls = 0L;
 320         int newmailcount;
 321         static int oldmailcount = (-1);
 322         int partial_match,best_match;
 323         char from_floor;
 324
 325         /* store ungoto information */
 326         strcpy(ugname,room_name);
 327         uglsn = ls;
 328
 329         /* first try an exact match */
 330         snprintf(aaa,sizeof aaa,"GOTO %s",towhere);
 331         serv_puts(aaa);
 332         serv_gets(aaa);
 333         if (aaa[3]=='*') express_msgs = 1;
 334         if (!strncmp(aaa,"54",2)) {
 335                 newprompt("Enter room password: ",bbb,9);
 336                 snprintf(aaa,sizeof aaa,"GOTO %s|%s",towhere,bbb);
 337                 serv_puts(aaa);
 338                 serv_gets(aaa);
 339                 if (aaa[3]=='*') express_msgs = 1;
 340                 }
 341         if (!strncmp(aaa,"54",2)) {
 342                 printf("Wrong password.\n");
 343                 return;
 344                 }
 345
 346
 347         /*
 348          * If a match is not found, try a partial match.
 349          * Partial matches anywhere in the string carry a weight of 1,
 350          * left-aligned matches carry a weight of 2.  Pick the room that
 351          * has the highest-weighted match.
 352          */
 353         if (aaa[0]!='2') {
 354                 best_match = 0;
 355                 strcpy(bbb,"");
 356                 serv_puts("LKRA");
 357                 serv_gets(aaa);
 358                 if (aaa[0]=='1') while (serv_gets(aaa), strcmp(aaa,"000")) {
 359                         extract(psearch,aaa,0);
 360                         partial_match = 0;
 361                         if (pattern(psearch,towhere)>=0) {
 362                                 partial_match = 1;
 363                                 }
 364                         if (!struncmp(towhere,psearch,strlen(towhere))) {
 365                                 partial_match = 2;
 366                                 }
 367                         if (partial_match > best_match) {
 368                                 strcpy(bbb,psearch);
 369                                 best_match = partial_match;
 370                                 }
 371                         }
 372                 if (strlen(bbb)==0) {
 373                         printf("No room '%s'.\n",towhere);
 374                         return;
 375                         }
 376                 snprintf(aaa,sizeof aaa,"GOTO %s",bbb);
 377                 serv_puts(aaa);
 378                 serv_gets(aaa);
 379                 if (aaa[3]=='*') express_msgs = 1;
 380                 }
 381
 382         if (aaa[0]!='2') {
 383                 printf("%s\n",aaa);
 384                 return;
 385                 }
 386
 387         extract(room_name,&aaa[4],0);
 388         room_flags = extract_int(&aaa[4],4);
 389         from_floor = curr_floor;
 390         curr_floor = extract_int(&aaa[4],10);
 391
 392         remove_march(room_name,0);
 393         if (!strucmp(towhere,"_BASEROOM_")) remove_march(towhere,0);
 394         if ((from_floor!=curr_floor) && (display_name>0) && (floor_mode==1)) {
 395                 if (floorlist[(int)curr_floor][0]==0) load_floorlist();
 396                 printf("(Entering floor: %s)\n",&floorlist[(int)curr_floor][0]);
 397                 }
 398         if (display_name == 1) printf("%s - ",room_name);
 399         if (display_name != 2) printf("%d new of %d messages.\n",
 400                 extract_int(&aaa[4],1),
 401                 extract_int(&aaa[4],2));
 402         highest_msg_read = extract_int(&aaa[4],6);
 403         maxmsgnum = extract_int(&aaa[4],5);
 404         is_mail = (char) extract_int(&aaa[4],7);
 405         is_room_aide = (char) extract_int(&aaa[4],8);
 406         ls = extract_long(&aaa[4],6);
 407
 408         /* read info file if necessary */
 409         if (extract_int(&aaa[4],3) > 0) readinfo();
 410
 411         /* check for newly arrived mail if we can */
 412         if (num_parms(&aaa[4])>=10) {
 413                 newmailcount = extract_int(&aaa[4],9);
 414                 if ( (oldmailcount >= 0) && (newmailcount > oldmailcount) )
 415                         printf("*** You have new mail\n");
 416                 oldmailcount = newmailcount;
 417                 }
 418         }
 419
 420 /* Goto next room having unread messages.
 421  * We want to skip over rooms that the user has already been to, and take the
 422  * user back to the lobby when done.  The room we end up in is placed in
 423  * newroom - which is set to 0 (the lobby) initially.
 424  */
 425 void gotonext(void) {
 426         char buf[256];
 427         struct march *mptr,*mptr2;
 428         char next_room[32];
 429
 430         /* Check to see if the march-mode list is already allocated.
 431          * If it is, pop the first room off the list and go there.
 432          */
 433         if (march==NULL) {
 434                 serv_puts("LKRN");
 435                 serv_gets(buf);
 436                 if (buf[0]=='1')
 437                     while (serv_gets(buf), strcmp(buf,"000")) {
 438                         mptr = (struct march *) malloc(sizeof(struct march));
 439                         mptr->next = NULL;
 440                         extract(mptr->march_name,buf,0);
 441                         mptr->march_floor = (char) (extract_int(buf,2) & 0x7F);
 442                         mptr->march_order = (char) (extract_int(buf,3) & 0x7F);
 443                         if (march==NULL) {
 444                                 march = mptr;
 445                                 }
 446                         else {
 447                                 mptr2 = march;
 448                                 while (mptr2->next != NULL)
 449                                         mptr2 = mptr2->next;
 450                                 mptr2->next = mptr;
 451                                 }
 452                         }
 453
 454 /* add _BASEROOM_ to the end of the march list, so the user will end up
 455  * in the system base room (usually the Lobby>) at the end of the loop
 456  */
 457                 mptr = (struct march *) malloc(sizeof(struct march));
 458                 mptr->next = NULL;
 459                 strcpy(mptr->march_name,"_BASEROOM_");
 460                 if (march==NULL) {
 461                         march = mptr;
 462                         }
 463                 else {
 464                         mptr2 = march;
 465                         while (mptr2->next != NULL)
 466                                 mptr2 = mptr2->next;
 467                         mptr2->next = mptr;
 468                         }
 469 /*
 470  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 471  * walk around in circles
 472  */
 473                 remove_march(room_name,0);
 474                 }
 475
 476         if (march!=NULL) {
 477                 strcpy(next_room, pop_march(curr_floor));
 478                 }
 479         else {
 480                 strcpy(next_room,"_BASEROOM_");
 481                 }
 482         remove_march(next_room,0);
 483         dotgoto(next_room,1);
 484    }
 485
 486 /*
 487  * forget all rooms on a given floor
 488  */
 489 void forget_all_rooms_on(int ffloor)
 490 {
 491         char buf[256];
 492         struct march *flist,*fptr;
 493
 494         printf("Forgetting all rooms on %s...\r",&floorlist[ffloor][0]);
 495         fflush(stdout);
 496         snprintf(buf,sizeof buf,"LKRA %d",ffloor);
 497         serv_puts(buf);
 498         serv_gets(buf);
 499         if (buf[0]!='1') {
 500                 printf("%-72s\n",&buf[4]);
 501                 return;
 502                 }
 503         flist = NULL;
 504         while (serv_gets(buf), strcmp(buf,"000")) {
 505                 fptr = (struct march *) malloc(sizeof(struct march));
 506                 fptr->next = flist;
 507                 flist = fptr;
 508                 extract(fptr->march_name,buf,0);
 509                 }
 510         while (flist != NULL) {
 511                 snprintf(buf,sizeof buf,"GOTO %s",flist->march_name);
 512                 serv_puts(buf);
 513                 serv_gets(buf);
 514                 if (buf[0]=='2') {
 515                         serv_puts("FORG");
 516                         serv_gets(buf);
 517                         }
 518                 fptr = flist;
 519                 flist = flist->next;
 520                 free(fptr);
 521                 }
 522         printf("%-72s\r","");
 523         }
 524
 525
 526 /*
 527  * routine called by gotofloor() to move to a new room on a new floor
 528  */
 529 void gf_toroom(char *towhere, int mode)
 530 {
 531         int floor_being_left;
 532
 533         floor_being_left = curr_floor;
 534
 535         if (mode == GF_GOTO) {          /* <;G>oto mode */
 536                 updatels();
 537                 dotgoto(towhere,1);
 538                 }
 539
 540         if (mode == GF_SKIP) {          /* <;S>kip mode */
 541                 dotgoto(towhere,1);
 542                 remove_march("_FLOOR_",floor_being_left);
 543                 }
 544
 545         if (mode == GF_ZAP) {           /* <;Z>ap mode */
 546                 dotgoto(towhere,1);
 547                 remove_march("_FLOOR_",floor_being_left);
 548                 forget_all_rooms_on(floor_being_left);
 549                 }
 550         }
 551
 552
 553 /*
 554  * go to a new floor
 555  */
 556 void gotofloor(char *towhere, int mode)
 557 {
 558         int a,tofloor;
 559         struct march *mptr;
 560         char buf[256],targ[256];
 561
 562         if (floorlist[0][0]==0) load_floorlist();
 563         tofloor = (-1);
 564         for (a=0; a<128; ++a) if (!strucmp(&floorlist[a][0],towhere))
 565                 tofloor = a;
 566
 567         if (tofloor<0) {
 568                 for (a=0; a<128; ++a) {
 569                     if (!struncmp(&floorlist[a][0],towhere,strlen(towhere))) {
 570                         tofloor = a;
 571                         }
 572                     }
 573                 }
 574
 575         if (tofloor<0) {
 576                 for (a=0; a<128; ++a)
 577                     if (pattern(towhere,&floorlist[a][0])>0)
 578                         tofloor = a;
 579                 }
 580
 581         if (tofloor<0) {
 582                 printf("No floor '%s'.\n",towhere);
 583                 return;
 584                 }
 585
 586         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 587                 if ((mptr->march_floor) == tofloor)
 588                         gf_toroom(mptr->march_name,mode);
 589                         return;
 590                 }
 591
 592         strcpy(targ,"");
 593         snprintf(buf,sizeof buf,"LKRA %d",tofloor);
 594         serv_puts(buf);
 595         serv_gets(buf);
 596         if (buf[0]=='1') while (serv_gets(buf), strcmp(buf,"000")) {
 597                 if ((extract_int(buf,2)==tofloor)&&(strlen(targ)==0))
 598                          extract(targ,buf,0);
 599                 }
 600         if (strlen(targ)>0) {
 601                 gf_toroom(targ,mode);
 602                 }
 603         else {
 604                 printf("There are no rooms on '%s'.\n",&floorlist[tofloor][0]);
 605                 }
 606         }
 607
 608
 609 /*
 610  * forget all rooms on current floor
 611  */
 612 void forget_this_floor(void) {
 613
 614         if (curr_floor == 0) {
 615                 printf("Can't forget this floor.\n");
 616                 return;
 617                 }
 618
 619         if (floorlist[0][0]==0) load_floorlist();
 620         printf("Are you sure you want to forget all rooms on %s? ",
 621                 &floorlist[(int)curr_floor][0]);
 622         if (yesno()==0) return;
 623
 624         gf_toroom("_BASEROOM_",GF_ZAP);
 625         }
 626
 627
 628 /*
 629  * Figure out the physical screen dimensions, if we can
 630  */
 631 void check_screen_dims(void) {
 632 #ifdef TIOCGWINSZ
 633         struct {
 634                 unsigned short height;          /* rows */
 635                 unsigned short width;           /* columns */
 636                 unsigned short xpixels;
 637                 unsigned short ypixels;         /* pixels */
 638         } xwinsz;
 639
 640         if (have_xterm) {       /* dynamically size screen if on an xterm */
 641                 if ( ioctl(0, TIOCGWINSZ, &xwinsz) == 0 ) {
 642                         if (xwinsz.height) screenheight = (int) xwinsz.height;
 643                         if (xwinsz.width) screenwidth = (int) xwinsz.width;
 644                         }
 645                 }
 646 #endif
 647         }
 648
 649
 650 /*
 651  * set floor mode depending on client, server, and user settings
 652  */
 653 void set_floor_mode(void) {
 654         if (serv_info.serv_ok_floors == 0) {
 655                 floor_mode = 0;         /* Don't use floors if the server */
 656                 }                       /* doesn't support them!          */
 657         else {
 658                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 659                         floor_mode = 0;
 660                         }
 661                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 662                         floor_mode = 1;
 663                         }
 664                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 665                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 666                         }
 667                 }
 668         }
 669
 670 /*
 671  * Set or change the user's password
 672  */
 673 int set_password(void) {
 674         char pass1[20];
 675         char pass2[20];
 676         char buf[256];
 677
 678         if (strlen(rc_password) > 0) {
 679                 strcpy(pass1,rc_password);
 680                 strcpy(pass2,rc_password);
 681                 }
 682         else {
 683                 IFNEXPERT formout("changepw");
 684                 newprompt("Enter a new password: ", pass1, -19);
 685                 newprompt("Enter it again to confirm: ", pass2, -19);
 686                 }
 687         if (!strucmp(pass1,pass2)) {
 688                 snprintf(buf,sizeof buf,"SETP %s",pass1);
 689                 serv_puts(buf);
 690                 serv_gets(buf);
 691                 printf("%s\n",&buf[4]);
 692                 strcpy(re_password, pass1);
 693                 return(0);
 694                 }
 695         else {
 696                 printf("*** They don't match... try again.\n");
 697                 return(1);
 698                 }
 699         }
 700
 701
 702
 703 /*
 704  * get info about the server we've connected to
 705  */
 706 void get_serv_info(void) {
 707         char buf[256];
 708
 709         CtdlInternalGetServInfo(&serv_info);
 710
 711         /* be nice and identify ourself to the server */
 712         snprintf(buf,sizeof buf,"IDEN %d|%d|%d|%s|",
 713                 SERVER_TYPE,0,REV_LEVEL,
 714                 (server_is_local ? "local" : CITADEL));
 715         locate_host(&buf[strlen(buf)]); /* append to the end */
 716         serv_puts(buf);
 717         serv_gets(buf); /* we don't care about the result code */
 718         }
 719
 720
 721
 722
 723
 724 /*
 725  * Display list of users currently logged on to the server
 726  */
 727 void who_is_online(int longlist)
 728 {
 729         char buf[128], username[128], roomname[128], fromhost[128], flags[128];
 730         char tbuf[128], clientsoft[128];
 731         time_t timenow=0;
 732         time_t idletime, idlehours, idlemins, idlesecs;
 733         int last_session = (-1);
 734
 735         if (longlist)
 736         {
 737            serv_puts("TIME");
 738            serv_gets(tbuf);
 739            if (tbuf[0] == '2') {
 740                 timenow = extract_long(&tbuf[4], 0);
 741                 }
 742            else {
 743                 time(&timenow);
 744                 }
 745         }
 746         else {
 747         color(3);
 748         printf("FLG ###        User Name                 Room                 From host\n");
 749         color(6);
 750         printf("--- --- ------------------------- -------------------- ------------------------\n");
 751                 }
 752         serv_puts("RWHO");
 753         serv_gets(buf);
 754         if (buf[0]=='1')
 755         {
 756                 while(serv_gets(buf), strcmp(buf,"000"))
 757                 {
 758                         extract(username,buf,1);
 759                         extract(roomname,buf,2);
 760                         extract(fromhost,buf,3);
 761                         extract(clientsoft, buf, 4);
 762                         extract(flags,buf,7);
 763
 764                         if (longlist) {
 765                                 idletime = timenow - extract_long(buf, 5);
 766                                 idlehours = idletime / 3600;
 767                                 idlemins = (idletime - (idlehours*3600)) / 60;
 768                                 idlesecs = (idletime - (idlehours*3600) - (idlemins*60) );
 769                                 printf("\nFlags: %-3s  Sess# %-3d  Name: %-25s  Room: %s\n",
 770                                         flags, extract_int(buf,0), username, roomname);
 771                                 printf("from <%s> using <%s>, idle %ld:%02ld:%02ld\n",
 772                                         fromhost, clientsoft,
 773                                         (long)idlehours, (long)idlemins, (long)idlesecs);
 774
 775                                 }
 776                         else {
 777                                 if (extract_int(buf,0)==last_session) {
 778                                         printf("        ");
 779                                         }
 780                                 else {
 781                                         color(1); printf("%-3s ", flags);
 782                                         color(2); printf("%-3d ", extract_int(buf,0));
 783                                         }
 784                                 last_session=extract_int(buf,0);
 785                                 color(3); printf("%-25s ", username);
 786                                 color(4); printf("%-20s ", roomname);
 787                                 color(5); printf("%-24s\n", fromhost);
 788                                 color(7);
 789                                 }
 790                         }
 791                 }
 792         }
 793
 794 void enternew(char *desc, char *buf, int maxlen)
 795 {
 796    char bbb[128];
 797    snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 798    newprompt(bbb, buf, maxlen);
 799 }
 800
 801 /*
 802  * main
 803  */
 804 int main(int argc, char **argv)
 805 {
 806 int a,b,mcmd;
 807 char aaa[100],bbb[100],eee[100];                /* general purpose variables */
 808 char argbuf[32];                                /* command line buf */
 809 volatile int termn8 = 0;
 810
 811
 812 sttybbs(SB_SAVE);               /* Store the old terminal parameters */
 813 load_command_set();             /* parse the citadel.rc file */
 814 sttybbs(SB_NO_INTR);            /* Install the new ones */
 815 signal(SIGINT,SIG_IGN);
 816 signal(SIGQUIT,SIG_IGN);
 817 signal(SIGHUP,dropcarr);        /* Cleanup gracefully if carrier is dropped */
 818 signal(SIGTERM,dropcarr);       /* Cleanup gracefully if terminated */
 819 signal(SIGCONT,catch_sigcont);  /* Catch SIGCONT so we can reset terminal */
 820
 821 printf("Attaching to server...\r");
 822 fflush(stdout);
 823 attach_to_server(argc,argv);
 824
 825 send_ansi_detect();
 826
 827 serv_gets(aaa);
 828 if (aaa[0]!='2') {
 829         printf("%s\n",&aaa[4]);
 830         logoff(atoi(aaa));
 831         }
 832 get_serv_info();
 833
 834 look_for_ansi();
 835 cls(0);
 836 color(7);
 837
 838 printf("%-22s\n%s\n%s\n",serv_info.serv_software,serv_info.serv_humannode,
 839         serv_info.serv_bbs_city);
 840 screenwidth = 80;               /* default screen dimensions */
 841 screenheight = 24;
 842
 843 printf(" pause    next    stop\n");
 844 printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
 845 formout("hello");               /* print the opening greeting */
 846 printf("\n");
 847
 848 GSTA:   termn8=0; newnow=0;
 849         do {
 850                 if (strlen(rc_username) > 0) {
 851                         strcpy(fullname,rc_username);
 852                         }
 853                 else {
 854                         newprompt("Enter your name: ",fullname,29);
 855                         }
 856                 strproc(fullname);
 857                 if (!strucmp(fullname,"new")) {         /* just in case */
 858                    printf("Please enter the name you wish to log in with.\n");
 859                    }
 860                 } while(
 861                         (!strucmp(fullname,"bbs"))
 862                         || (!strucmp(fullname,"new"))
 863                         || (strlen(fullname)==0) );
 864
 865         if (!strucmp(fullname,"off")) {
 866                 mcmd=29;
 867                 goto TERMN8;
 868                 }
 869
 870         /* sign on to the server */
 871         strcpy(re_username, fullname);
 872         snprintf(aaa,sizeof aaa,"USER %s",fullname);
 873         serv_puts(aaa);
 874         serv_gets(aaa);
 875         if (aaa[0]!='3') goto NEWUSR;
 876
 877         /* password authentication */
 878         if (strlen(rc_password)>0) {
 879                 strcpy(eee,rc_password);
 880                 }
 881         else {
 882                 newprompt("\rPlease enter your password: ",eee,-19);
 883                 }
 884         strproc(eee);
 885         snprintf(aaa,sizeof aaa,"PASS %s",eee);
 886         serv_puts(aaa);
 887         serv_gets(aaa);
 888         if (aaa[0]=='2') {
 889                 strcpy(re_password, eee);
 890                 load_user_info(&aaa[4]);
 891                 goto PWOK;
 892                 }
 893
 894         printf("<< wrong password >>\n");
 895         if (strlen(rc_password)>0) logoff(0);
 896         goto GSTA;
 897
 898 NEWUSR: if (strlen(rc_password)==0) {
 899                 printf("No record. Enter as new user? ");
 900                 if (yesno()==0) goto GSTA;
 901                 }
 902
 903         snprintf(aaa,sizeof aaa,"NEWU %s",fullname);
 904         serv_puts(aaa);
 905         serv_gets(aaa);
 906         if (aaa[0]!='2') {
 907                 printf("%s\n",aaa);
 908                 goto GSTA;
 909                 }
 910         load_user_info(&aaa[4]);
 911
 912         while (set_password() != 0) ;;
 913         newnow=1;
 914
 915         enter_config(1);
 916
 917
 918 PWOK:   printf("%s\nAccess level: %d (%s)\nUser #%ld / Call #%d\n",
 919                 fullname,axlevel,axdefs[(int)axlevel],
 920                 usernum,timescalled);
 921
 922         serv_puts("CHEK");
 923         serv_gets(aaa);
 924         if (aaa[0]=='2') {
 925                 b = extract_int(&aaa[4],0);
 926                 if (b==1) printf("*** You have a new private message in Mail>\n");
 927                 if (b>1)  printf("*** You have %d new private messages in Mail>\n",b);
 928
 929                 if ((axlevel>=6) && (extract_int(&aaa[4],2)>0)) {
 930                         printf("*** Users need validation\n");
 931                         }
 932
 933                 if (extract_int(&aaa[4],1)>0) {
 934                         printf("*** Please register.\n");
 935                         formout("register");
 936                         entregis();
 937                         }
 938                 }
 939
 940         /* Make up some temporary filenames for use in various parts of the
 941          * program.  Don't mess with these once they've been set, because we
 942          * will be unlinking them later on in the program and we don't
 943          * want to delete something that we didn't create. */
 944         snprintf(temp,sizeof temp,"/tmp/citA%d",getpid());
 945         snprintf(temp2,sizeof temp2,"/tmp/citB%d",getpid());
 946         snprintf(tempdir,sizeof tempdir,"/tmp/citC%d",getpid());
 947
 948         /* Get screen dimensions.  First we go to a default of 80x24.  Then
 949          * we try to get the user's actual screen dimensions off the server.
 950          * However, if we're running on an xterm, all this stuff is
 951          * irrelevant because we're going to dynamically size the screen
 952          * during the session.
 953          */
 954         screenwidth = 80;
 955         screenheight = 24;
 956         serv_puts("GETU");
 957         serv_gets(aaa);
 958         if (aaa[0]=='2') {
 959                 screenwidth = extract_int(&aaa[4],0);
 960                 screenheight = extract_int(&aaa[4],1);
 961                 }
 962         if (getenv("TERM")!=NULL) if (!strcmp(getenv("TERM"),"xterm")) {
 963                 have_xterm = 1;
 964                 }
 965 #ifdef TIOCGWINSZ
 966         check_screen_dims();
 967 #endif
 968
 969         set_floor_mode();
 970
 971
 972         /* Enter the lobby */
 973         dotgoto("_BASEROOM_",1);
 974
 975 /* Main loop for the system... user is logged in. */
 976         strcpy(ugname,"");
 977         uglsn = 0L;
 978
 979         if (newnow==1)  readmsgs(3,1,5);
 980                 else    readmsgs(1,1,0);
 981
 982 do {    /* MAIN LOOP OF PROGRAM */
 983
 984         /* Reconnect to the server if the connection was broken */
 985         if (setjmp(jmp_reconnect)) {
 986                 printf("\rServer connection broken; reconnecting...\r");
 987                 fflush(stdout);
 988                 attach_to_server(argc,argv);
 989                 printf("                                         \r");
 990                 fflush(stdout);
 991                 serv_gets(aaa);
 992                 if (aaa[0]!='2') { printf("%s\n", &aaa[4]); exit(0); }
 993                 get_serv_info();
 994                 sprintf(aaa, "USER %s", re_username);
 995                 serv_puts(aaa);
 996                 serv_gets(aaa);
 997                 if (aaa[0]!='3') { printf("%s\n", &aaa[4]); exit(0); }
 998                 sprintf(aaa, "PASS %s", re_password);
 999                 serv_puts(aaa);
1000                 serv_gets(aaa);
1001                 if (aaa[0]!='2') { printf("%s\n", &aaa[4]); exit(0); }
1002                 load_user_info(&aaa[4]);
1003                 sprintf(aaa, "GOTO %s", room_name);
1004                 serv_puts(aaa);
1005                 serv_gets(aaa);
1006                 }
1007         signal(SIGPIPE, sigpipehandler);
1008
1009         signal(SIGINT,SIG_IGN);
1010         signal(SIGQUIT,SIG_IGN);
1011         mcmd=getcmd(argbuf);
1012
1013 #ifdef TIOCGWINSZ
1014         check_screen_dims();
1015 #endif
1016
1017         if (termn8==0) switch(mcmd) {
1018            case 1:      formout("help");
1019                         break;
1020            case 4:      entmsg(0,0);
1021                         break;
1022            case 36:     entmsg(0,1);
1023                         break;
1024            case 46:     entmsg(0,2);
1025                         break;
1026            case 78:     newprompt("What do you want your username to be? ", aaa, 32);
1027                         snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1028                         serv_puts(bbb);
1029                         serv_gets(aaa);
1030                         if (strncmp("200", aaa, 3))
1031                            printf("\n%s\n", aaa);
1032                         else
1033                            entmsg(0, 0);
1034                         break;
1035            case 5:      updatels();
1036                         gotonext();
1037                         break;
1038            case 47:     updatelsa();
1039                         gotonext();
1040                         break;
1041            case 58:     updatelsa();
1042                         dotgoto("_MAIL_",1);
1043                         break;
1044            case 20:     updatels();
1045            case 52:     dotgoto(argbuf,0);
1046                         break;
1047            case 10:     readmsgs(0,1,0);
1048                         break;
1049            case 9:      readmsgs(3,1,5);
1050                         break;
1051            case 13:     readmsgs(1,1,0);
1052                         break;
1053            case 11:     readmsgs(0,(-1),0);
1054                         break;
1055            case 12:     readmsgs(2,(-1),0);
1056                         break;
1057            case 71:     readmsgs(3, 1, atoi(argbuf));
1058                         break;
1059            case 7:      forget();       break;
1060            case 18:     subshell();     break;
1061            case 38:     updatels();
1062                         entroom();      break;
1063            case 22:     killroom();     break;
1064            case 32:     userlist();     break;
1065            case 27:     invite();       break;
1066            case 28:     kickout();      break;
1067            case 23:     editthisroom(); break;
1068            case 14:     roomdir();      break;
1069            case 33:     download(0);    break;
1070            case 34:     download(1);    break;
1071            case 31:     download(2);    break;
1072            case 43:     download(3);    break;
1073            case 45:     download(4);    break;
1074            case 55:     download(5);    break;
1075            case 39:     upload(0);      break;
1076            case 40:     upload(1);      break;
1077            case 42:     upload(2);      break;
1078            case 44:     upload(3);      break;
1079            case 57:     cli_upload();   break;
1080            case 16:     ungoto();       break;
1081            case 24:     whoknows();     break;
1082            case 26:     validate();     break;
1083            case 29:     updatels();
1084                         termn8=1;
1085                         break;
1086            case 30:     updatels();
1087                         termn8=1;
1088                         break;
1089            case 48:     enterinfo();
1090                         break;
1091            case 49:     readinfo();
1092                         break;
1093            case 72:     cli_image_upload("_userpic_");
1094                         break;
1095            case 73:     cli_image_upload("_roompic_");
1096                         break;
1097
1098 case 74:
1099         snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1100         cli_image_upload(aaa);
1101         break;
1102
1103 case 75:
1104         enternew("roomname", aaa, 20);
1105         snprintf(bbb, sizeof bbb, "RCHG %s", aaa);
1106         serv_puts(bbb);
1107         serv_gets(aaa);
1108         if (strncmp("200",aaa, 3))
1109            printf("\n%s\n", aaa);
1110         break;
1111 case 76:
1112         enternew("hostname", aaa, 25);
1113         snprintf(bbb, sizeof bbb, "HCHG %s", aaa);
1114         serv_puts(bbb);
1115         serv_gets(aaa);
1116         if (strncmp("200",aaa, 3))
1117            printf("\n%s\n", aaa);
1118         break;
1119 case 77:
1120         enternew("username", aaa, 32);
1121         snprintf(bbb, sizeof bbb, "UCHG %s", aaa);
1122         serv_puts(bbb);
1123         serv_gets(aaa);
1124         if (strncmp("200",aaa, 3))
1125            printf("\n%s\n", aaa);
1126         break;
1127
1128 case 35:
1129         set_password();
1130         break;
1131
1132 case 21:
1133         if (argbuf[0]==0) strcpy(aaa,"?");
1134         display_help(argbuf);
1135         break;
1136
1137 case 41:
1138         formout("register");
1139         entregis();
1140         break;
1141
1142 case 15:
1143         printf("Are you sure (y/n)? ");
1144         if (yesno()==1) {
1145                 updatels();
1146                 a=0;
1147                 termn8=1;
1148                 }
1149         break;
1150
1151 case 6:
1152         gotonext();
1153         break;
1154
1155 case 3: chatmode();
1156         break;
1157
1158 case 2: if (server_is_local) {
1159                 sttybbs(SB_RESTORE);
1160                 snprintf(aaa,sizeof aaa,"USERNAME=\042%s\042; export USERNAME;"
1161                         "exec ./subsystem %ld %d %d", fullname,
1162                         usernum,screenwidth,axlevel);
1163                 ka_system(aaa);
1164                 sttybbs(SB_NO_INTR);
1165                 }
1166         else {
1167                 printf("*** Can't run doors when server is not local.\n");
1168                 }
1169         break;
1170
1171 case 17:
1172         who_is_online(0);
1173         break;
1174
1175 case 79:
1176         who_is_online(1);
1177         break;
1178
1179 case 80:
1180         do_system_configuration();
1181         break;
1182
1183 case 50:
1184         enter_config(2);
1185         break;
1186
1187 case 37:
1188         enter_config(0);
1189         set_floor_mode();
1190         break;
1191
1192 case 59:
1193         enter_config(3);
1194         set_floor_mode();
1195         break;
1196
1197 case 60:
1198         gotofloor(argbuf,GF_GOTO);
1199         break;
1200
1201 case 61:
1202         gotofloor(argbuf,GF_SKIP);
1203         break;
1204
1205 case 62:
1206         forget_this_floor();
1207         break;
1208
1209 case 63:
1210         create_floor();
1211         break;
1212
1213 case 64:
1214         edit_floor();
1215         break;
1216
1217 case 65:
1218         kill_floor();
1219         break;
1220
1221 case 66:
1222         enter_bio();
1223         break;
1224
1225 case 67:
1226         read_bio();
1227         break;
1228
1229 case 25:
1230         edituser();
1231         break;
1232
1233 case 8:
1234         knrooms(floor_mode);
1235         printf("\n");
1236         break;
1237
1238 case 68:
1239         knrooms(2);
1240         printf("\n");
1241         break;
1242
1243 case 69:
1244         misc_server_cmd(argbuf);
1245         break;
1246
1247 case 70:
1248         edit_system_message(argbuf);
1249         break;
1250
1251 case 19:
1252         listzrooms();
1253         printf("\n");
1254         break;
1255
1256 case 51:
1257         deletefile();
1258         break;
1259
1260 case 53:
1261         netsendfile();
1262         break;
1263
1264 case 54:
1265         movefile();
1266         break;
1267
1268 case 56:
1269         page_user();
1270         break;
1271
1272         } /* end switch */
1273     } while(termn8==0);
1274
1275 TERMN8: printf("%s logged out.\n",fullname);
1276         while (march!=NULL) remove_march(march->march_name,0);
1277         if (mcmd==30)
1278                 printf("\n\nType 'off' to hang up, or next user...\n");
1279         snprintf(aaa,sizeof aaa,"LOUT");
1280         serv_puts(aaa);
1281         serv_gets(aaa);
1282         if ((mcmd==29)||(mcmd==15)) {
1283                 formout("goodbye");
1284                 logoff(0);
1285                 }
1286         goto GSTA;
1287
1288 } /* end main() */
1289