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 #include <stdarg.h>
  24
  25 #include "citadel.h"
  26 #include "axdefs.h"
  27 #include "serv_info.h"
  28 #include "routines.h"
  29 #include "routines2.h"
  30 #include "rooms.h"
  31 #include "messages.h"
  32 #include "commands.h"
  33 #include "ipc.h"
  34 #include "client_chat.h"
  35 #include "citadel_decls.h"
  36 #include "tools.h"
  37 #ifndef HAVE_SNPRINTF
  38 #include "snprintf.h"
  39 #endif
  40
  41 struct march {
  42         struct march *next;
  43         char march_name[32];
  44         char march_floor;
  45         char march_order;
  46         };
  47
  48 #define IFEXPERT if (userflags&US_EXPERT)
  49 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  50 #define IFAIDE if (axlevel>=6)
  51 #define IFNAIDE if (axlevel<6)
  52
  53 struct march *march = NULL;
  54
  55 /* globals associated with the client program */
  56 char temp[16];                          /* Name of general temp file */
  57 char temp2[16];                         /* Name of general temp file */
  58 char tempdir[16];                       /* Name of general temp dir */
  59 char editor_path[256];                  /* path to external editor */
  60 char printcmd[256];                     /* print command */
  61 int editor_pid = (-1);
  62 char fullname[32];
  63 jmp_buf nextbuf;
  64 struct CtdlServInfo serv_info;          /* Info on the server connected */
  65 int screenwidth;
  66 int screenheight;
  67 unsigned room_flags;
  68 char room_name[ROOMNAMELEN];
  69 char ugname[ROOMNAMELEN];
  70 long uglsn;                             /* holds <u>ngoto info */
  71 char is_mail = 0;                       /* nonzero when we're in a mail room */
  72 char axlevel = 0;                       /* access level */
  73 char is_room_aide = 0;                  /* boolean flag, 1 if room aide */
  74 int timescalled;
  75 int posted;
  76 unsigned userflags;
  77 long usernum = 0L;                      /* user number */
  78 char newnow;
  79 long highest_msg_read;                  /* used for <A>bandon room cmd */
  80 long maxmsgnum;                         /* used for <G>oto */
  81 char sigcaught = 0;
  82 char have_xterm = 0;                    /* are we running on an xterm? */
  83 char rc_username[32];
  84 char rc_password[32];
  85 char rc_floor_mode;
  86 char floor_mode;
  87 char curr_floor = 0;                    /* number of current floor */
  88 char floorlist[128][256];               /* names of floors */
  89 char express_msgs = 0;                  /* express messages waiting! */
  90
  91 jmp_buf jmp_reconnect;                  /* for server reconnects */
  92 char re_username[32];
  93 char re_password[32];
  94
  95 void sigpipehandler(int nothing) {
  96         longjmp(jmp_reconnect, nothing);
  97         }
  98
  99 /*
 100  * here is our 'clean up gracefully and exit' routine
 101  */
 102 void logoff(int code)
 103 {
 104         if (editor_pid>0) {             /* kill the editor if it's running */
 105                 kill(editor_pid,SIGHUP);
 106                 }
 107
 108 /* shut down the server... but not if the logoff code is 3, because
 109  * that means we're exiting because we already lost the server
 110  */
 111         if (code!=3) serv_puts("QUIT");
 112
 113 /*
 114  * now clean up various things
 115  */
 116
 117         unlink(temp);
 118         unlink(temp2);
 119         nukedir(tempdir);
 120
 121         /* Violently kill off any child processes if Citadel is
 122          * the login shell.
 123          */
 124         if (getppid()==1) {
 125                 kill(0-getpgrp(),SIGTERM);
 126                 sleep(1);
 127                 kill(0-getpgrp(),SIGKILL);
 128                 }
 129
 130         sttybbs(SB_RESTORE);            /* return the old terminal settings */
 131         exit(code);                     /* exit with the proper exit code */
 132         }
 133
 134
 135
 136 /*
 137  * We handle "next" and "stop" much differently than in earlier versions.
 138  * The signal catching routine simply sets a flag and returns.
 139  */
 140 void sighandler(int which_sig)
 141 {
 142         signal(SIGINT,SIG_IGN);
 143         signal(SIGQUIT,SIG_IGN);
 144         sigcaught = which_sig;
 145         return;
 146         }
 147
 148
 149 /*
 150  * signal catching function for hangups...
 151  */
 152 void dropcarr(int signum) {
 153         logoff(SIGHUP);
 154         }
 155
 156
 157
 158 /*
 159  * catch SIGCONT to reset terminal modes when were are put back into the
 160  * foreground.
 161  */
 162 void catch_sigcont(int signum) {
 163         sttybbs(SB_LAST);
 164         }
 165
 166
 167
 168 /* general purpose routines */
 169
 170 void formout(char *name) /* display a file */
 171
 172         {
 173         char cmd[256];
 174         snprintf(cmd,sizeof cmd,"MESG %s",name);
 175         serv_puts(cmd);
 176         serv_gets(cmd);
 177         if (cmd[0]!='1') {
 178                 printf("%s\n",&cmd[4]);
 179                 return;
 180                 }
 181         fmout(screenwidth,NULL,
 182                 ((userflags & US_PAGINATOR) ? 1 : 0),
 183                 screenheight,1,1);
 184         }
 185
 186
 187 void userlist(void) {
 188         char buf[256];
 189         char fl[256];
 190         struct tm *tmbuf;
 191         time_t lc;
 192         int linecount = 2;
 193
 194         serv_puts("LIST");
 195         serv_gets(buf);
 196         if (buf[0]!='1') {
 197                 printf("%s\n",&buf[4]);
 198                 return;
 199                 }
 200         sigcaught = 0;
 201         sttybbs(SB_YES_INTR);
 202         printf("       User Name           Num  L  LastCall  Calls Posts\n");
 203         printf("------------------------- ----- - ---------- ----- -----\n");
 204         while (serv_gets(buf), strcmp(buf,"000")) {
 205                 if (sigcaught == 0) {
 206                         extract(fl,buf,0);
 207                         printf("%-25s ",fl);
 208                         printf("%5ld %d ",extract_long(buf,2),
 209                                 extract_int(buf,1));
 210                         lc = extract_long(buf,3);
 211                         tmbuf = (struct tm *)localtime(&lc);
 212                         printf("%02d/%02d/%04d ",
 213                                 (tmbuf->tm_mon+1),
 214                                 tmbuf->tm_mday,
 215                                 (tmbuf->tm_year + 1900));
 216                         printf("%5ld %5ld\n",extract_long(buf,4),extract_long(buf,5));
 217
 218                         ++linecount;
 219                         linecount = checkpagin(linecount,
 220                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 221                                 screenheight);
 222
 223                         }
 224                 }
 225         sttybbs(SB_NO_INTR);
 226         printf("\n");
 227         }
 228
 229
 230 /*
 231  * grab assorted info about the user...
 232  */
 233 void load_user_info(char *params)
 234 {
 235         extract(fullname,params,0);
 236         axlevel = extract_int(params,1);
 237         timescalled = extract_int(params,2);
 238         posted = extract_int(params,3);
 239         userflags = extract_int(params,4);
 240         usernum = extract_long(params,5);
 241         }
 242
 243
 244 /*
 245  * Remove a room from the march list.  'floornum' is ignored unless
 246  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 247  * floor will be removed from the march list.
 248  */
 249 void remove_march(char *roomname, int floornum)
 250 {
 251         struct march *mptr,*mptr2;
 252
 253         if (march==NULL) return;
 254
 255         if ( (!strucmp(march->march_name,roomname))
 256          || ((!strucmp(roomname,"_FLOOR_"))&&(march->march_floor==floornum))) {
 257                 mptr = march->next;
 258                 free(march);
 259                 march = mptr;
 260                 return;
 261                 }
 262
 263         mptr2 = march;
 264         for (mptr=march; mptr!=NULL; mptr=mptr->next) {
 265
 266                 if ( (!strucmp(mptr->march_name,roomname))
 267                    || ((!strucmp(roomname,"_FLOOR_"))
 268                         &&(mptr->march_floor==floornum))) {
 269
 270                         mptr2->next = mptr->next;
 271                         free(mptr);
 272                         mptr=mptr2;
 273                         }
 274                 else {
 275                         mptr2=mptr;
 276                         }
 277                 }
 278         }
 279
 280
 281 /*
 282  * Locate the room on the march list which we most want to go to.  Each room
 283  * is measured given a "weight" of preference based on various factors.
 284  */
 285 char *pop_march(int desired_floor) {
 286         static char TheRoom[ROOMNAMELEN];
 287         int TheFloor = 0;
 288         int TheOrder = 32767;
 289         int TheWeight = 0;
 290         int weight;
 291         struct march *mptr = NULL;
 292
 293         strcpy(TheRoom, "_BASEROOM_");
 294         if (march == NULL) return(TheRoom);
 295
 296         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 297                 weight = 0;
 298                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 299                         weight = weight + 10000;
 300                 if (mptr->march_floor == desired_floor)
 301                         weight = weight + 5000;
 302
 303                         weight = weight + ((128-(mptr->march_floor))*128);
 304                         weight = weight + (128-(mptr->march_order));
 305
 306                 if (weight > TheWeight) {
 307                         TheWeight = weight;
 308                         strcpy(TheRoom, mptr->march_name);
 309                         TheFloor = mptr->march_floor;
 310                         TheOrder = mptr->march_order;
 311                         }
 312                 }
 313         return(TheRoom);
 314         }
 315
 316
 317 /*
 318  * jump directly to a room
 319  */
 320 void dotgoto(char *towhere, int display_name)
 321 {
 322         char aaa[256],bbb[256],psearch[256];
 323         static long ls = 0L;
 324         int newmailcount;
 325         static int oldmailcount = (-1);
 326         int partial_match,best_match;
 327         char from_floor;
 328
 329         /* store ungoto information */
 330         strcpy(ugname,room_name);
 331         uglsn = ls;
 332
 333         /* first try an exact match */
 334         snprintf(aaa,sizeof aaa,"GOTO %s",towhere);
 335         serv_puts(aaa);
 336         serv_gets(aaa);
 337         if (aaa[3]=='*') express_msgs = 1;
 338         if (!strncmp(aaa,"54",2)) {
 339                 newprompt("Enter room password: ",bbb,9);
 340                 snprintf(aaa,sizeof aaa,"GOTO %s|%s",towhere,bbb);
 341                 serv_puts(aaa);
 342                 serv_gets(aaa);
 343                 if (aaa[3]=='*') express_msgs = 1;
 344                 }
 345         if (!strncmp(aaa,"54",2)) {
 346                 printf("Wrong password.\n");
 347                 return;
 348                 }
 349
 350
 351         /*
 352          * If a match is not found, try a partial match.
 353          * Partial matches anywhere in the string carry a weight of 1,
 354          * left-aligned matches carry a weight of 2.  Pick the room that
 355          * has the highest-weighted match.
 356          */
 357         if (aaa[0]!='2') {
 358                 best_match = 0;
 359                 strcpy(bbb,"");
 360                 serv_puts("LKRA");
 361                 serv_gets(aaa);
 362                 if (aaa[0]=='1') while (serv_gets(aaa), strcmp(aaa,"000")) {
 363                         extract(psearch,aaa,0);
 364                         partial_match = 0;
 365                         if (pattern(psearch,towhere)>=0) {
 366                                 partial_match = 1;
 367                                 }
 368                         if (!struncmp(towhere,psearch,strlen(towhere))) {
 369                                 partial_match = 2;
 370                                 }
 371                         if (partial_match > best_match) {
 372                                 strcpy(bbb,psearch);
 373                                 best_match = partial_match;
 374                                 }
 375                         }
 376                 if (strlen(bbb)==0) {
 377                         printf("No room '%s'.\n",towhere);
 378                         return;
 379                         }
 380                 snprintf(aaa,sizeof aaa,"GOTO %s",bbb);
 381                 serv_puts(aaa);
 382                 serv_gets(aaa);
 383                 if (aaa[3]=='*') express_msgs = 1;
 384                 }
 385
 386         if (aaa[0]!='2') {
 387                 printf("%s\n",aaa);
 388                 return;
 389                 }
 390
 391         extract(room_name,&aaa[4],0);
 392         room_flags = extract_int(&aaa[4],4);
 393         from_floor = curr_floor;
 394         curr_floor = extract_int(&aaa[4],10);
 395
 396         remove_march(room_name,0);
 397         if (!strucmp(towhere,"_BASEROOM_")) remove_march(towhere,0);
 398         if ((from_floor!=curr_floor) && (display_name>0) && (floor_mode==1)) {
 399                 if (floorlist[(int)curr_floor][0]==0) load_floorlist();
 400                 printf("(Entering floor: %s)\n",&floorlist[(int)curr_floor][0]);
 401                 }
 402         if (display_name == 1) printf("%s - ",room_name);
 403         if (display_name != 2) printf("%d new of %d messages.\n",
 404                 extract_int(&aaa[4],1),
 405                 extract_int(&aaa[4],2));
 406         highest_msg_read = extract_int(&aaa[4],6);
 407         maxmsgnum = extract_int(&aaa[4],5);
 408         is_mail = (char) extract_int(&aaa[4],7);
 409         is_room_aide = (char) extract_int(&aaa[4],8);
 410         ls = extract_long(&aaa[4],6);
 411
 412         /* read info file if necessary */
 413         if (extract_int(&aaa[4],3) > 0) readinfo();
 414
 415         /* check for newly arrived mail if we can */
 416         if (num_parms(&aaa[4])>=10) {
 417                 newmailcount = extract_int(&aaa[4],9);
 418                 if ( (oldmailcount >= 0) && (newmailcount > oldmailcount) )
 419                         printf("*** You have new mail\n");
 420                 oldmailcount = newmailcount;
 421                 }
 422         }
 423
 424 /* Goto next room having unread messages.
 425  * We want to skip over rooms that the user has already been to, and take the
 426  * user back to the lobby when done.  The room we end up in is placed in
 427  * newroom - which is set to 0 (the lobby) initially.
 428  */
 429 void gotonext(void) {
 430         char buf[256];
 431         struct march *mptr,*mptr2;
 432         char next_room[32];
 433
 434         /* Check to see if the march-mode list is already allocated.
 435          * If it is, pop the first room off the list and go there.
 436          */
 437         if (march==NULL) {
 438                 serv_puts("LKRN");
 439                 serv_gets(buf);
 440                 if (buf[0]=='1')
 441                     while (serv_gets(buf), strcmp(buf,"000")) {
 442                         mptr = (struct march *) malloc(sizeof(struct march));
 443                         mptr->next = NULL;
 444                         extract(mptr->march_name,buf,0);
 445                         mptr->march_floor = (char) (extract_int(buf,2) & 0x7F);
 446                         mptr->march_order = (char) (extract_int(buf,3) & 0x7F);
 447                         if (march==NULL) {
 448                                 march = mptr;
 449                                 }
 450                         else {
 451                                 mptr2 = march;
 452                                 while (mptr2->next != NULL)
 453                                         mptr2 = mptr2->next;
 454                                 mptr2->next = mptr;
 455                                 }
 456                         }
 457
 458 /* add _BASEROOM_ to the end of the march list, so the user will end up
 459  * in the system base room (usually the Lobby>) at the end of the loop
 460  */
 461                 mptr = (struct march *) malloc(sizeof(struct march));
 462                 mptr->next = NULL;
 463                 strcpy(mptr->march_name,"_BASEROOM_");
 464                 if (march==NULL) {
 465                         march = mptr;
 466                         }
 467                 else {
 468                         mptr2 = march;
 469                         while (mptr2->next != NULL)
 470                                 mptr2 = mptr2->next;
 471                         mptr2->next = mptr;
 472                         }
 473 /*
 474  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 475  * walk around in circles
 476  */
 477                 remove_march(room_name,0);
 478                 }
 479
 480         if (march!=NULL) {
 481                 strcpy(next_room, pop_march(curr_floor));
 482                 }
 483         else {
 484                 strcpy(next_room,"_BASEROOM_");
 485                 }
 486         remove_march(next_room,0);
 487         dotgoto(next_room,1);
 488    }
 489
 490 /*
 491  * forget all rooms on a given floor
 492  */
 493 void forget_all_rooms_on(int ffloor)
 494 {
 495         char buf[256];
 496         struct march *flist,*fptr;
 497
 498         printf("Forgetting all rooms on %s...\r",&floorlist[ffloor][0]);
 499         fflush(stdout);
 500         snprintf(buf,sizeof buf,"LKRA %d",ffloor);
 501         serv_puts(buf);
 502         serv_gets(buf);
 503         if (buf[0]!='1') {
 504                 printf("%-72s\n",&buf[4]);
 505                 return;
 506                 }
 507         flist = NULL;
 508         while (serv_gets(buf), strcmp(buf,"000")) {
 509                 fptr = (struct march *) malloc(sizeof(struct march));
 510                 fptr->next = flist;
 511                 flist = fptr;
 512                 extract(fptr->march_name,buf,0);
 513                 }
 514         while (flist != NULL) {
 515                 snprintf(buf,sizeof buf,"GOTO %s",flist->march_name);
 516                 serv_puts(buf);
 517                 serv_gets(buf);
 518                 if (buf[0]=='2') {
 519                         serv_puts("FORG");
 520                         serv_gets(buf);
 521                         }
 522                 fptr = flist;
 523                 flist = flist->next;
 524                 free(fptr);
 525                 }
 526         printf("%-72s\r","");
 527         }
 528
 529
 530 /*
 531  * routine called by gotofloor() to move to a new room on a new floor
 532  */
 533 void gf_toroom(char *towhere, int mode)
 534 {
 535         int floor_being_left;
 536
 537         floor_being_left = curr_floor;
 538
 539         if (mode == GF_GOTO) {          /* <;G>oto mode */
 540                 updatels();
 541                 dotgoto(towhere,1);
 542                 }
 543
 544         if (mode == GF_SKIP) {          /* <;S>kip mode */
 545                 dotgoto(towhere,1);
 546                 remove_march("_FLOOR_",floor_being_left);
 547                 }
 548
 549         if (mode == GF_ZAP) {           /* <;Z>ap mode */
 550                 dotgoto(towhere,1);
 551                 remove_march("_FLOOR_",floor_being_left);
 552                 forget_all_rooms_on(floor_being_left);
 553                 }
 554         }
 555
 556
 557 /*
 558  * go to a new floor
 559  */
 560 void gotofloor(char *towhere, int mode)
 561 {
 562         int a,tofloor;
 563         struct march *mptr;
 564         char buf[256],targ[256];
 565
 566         if (floorlist[0][0]==0) load_floorlist();
 567         tofloor = (-1);
 568         for (a=0; a<128; ++a) if (!strucmp(&floorlist[a][0],towhere))
 569                 tofloor = a;
 570
 571         if (tofloor<0) {
 572                 for (a=0; a<128; ++a) {
 573                     if (!struncmp(&floorlist[a][0],towhere,strlen(towhere))) {
 574                         tofloor = a;
 575                         }
 576                     }
 577                 }
 578
 579         if (tofloor<0) {
 580                 for (a=0; a<128; ++a)
 581                     if (pattern(towhere,&floorlist[a][0])>0)
 582                         tofloor = a;
 583                 }
 584
 585         if (tofloor<0) {
 586                 printf("No floor '%s'.\n",towhere);
 587                 return;
 588                 }
 589
 590         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 591                 if ((mptr->march_floor) == tofloor)
 592                         gf_toroom(mptr->march_name,mode);
 593                         return;
 594                 }
 595
 596         strcpy(targ,"");
 597         snprintf(buf,sizeof buf,"LKRA %d",tofloor);
 598         serv_puts(buf);
 599         serv_gets(buf);
 600         if (buf[0]=='1') while (serv_gets(buf), strcmp(buf,"000")) {
 601                 if ((extract_int(buf,2)==tofloor)&&(strlen(targ)==0))
 602                          extract(targ,buf,0);
 603                 }
 604         if (strlen(targ)>0) {
 605                 gf_toroom(targ,mode);
 606                 }
 607         else {
 608                 printf("There are no rooms on '%s'.\n",&floorlist[tofloor][0]);
 609                 }
 610         }
 611
 612
 613 /*
 614  * forget all rooms on current floor
 615  */
 616 void forget_this_floor(void) {
 617
 618         if (curr_floor == 0) {
 619                 printf("Can't forget this floor.\n");
 620                 return;
 621                 }
 622
 623         if (floorlist[0][0]==0) load_floorlist();
 624         printf("Are you sure you want to forget all rooms on %s? ",
 625                 &floorlist[(int)curr_floor][0]);
 626         if (yesno()==0) return;
 627
 628         gf_toroom("_BASEROOM_",GF_ZAP);
 629         }
 630
 631
 632 /*
 633  * Figure out the physical screen dimensions, if we can
 634  */
 635 void check_screen_dims(void) {
 636 #ifdef TIOCGWINSZ
 637         struct {
 638                 unsigned short height;          /* rows */
 639                 unsigned short width;           /* columns */
 640                 unsigned short xpixels;
 641                 unsigned short ypixels;         /* pixels */
 642         } xwinsz;
 643
 644         if (have_xterm) {       /* dynamically size screen if on an xterm */
 645                 if ( ioctl(0, TIOCGWINSZ, &xwinsz) == 0 ) {
 646                         if (xwinsz.height) screenheight = (int) xwinsz.height;
 647                         if (xwinsz.width) screenwidth = (int) xwinsz.width;
 648                         }
 649                 }
 650 #endif
 651         }
 652
 653
 654 /*
 655  * set floor mode depending on client, server, and user settings
 656  */
 657 void set_floor_mode(void) {
 658         if (serv_info.serv_ok_floors == 0) {
 659                 floor_mode = 0;         /* Don't use floors if the server */
 660                 }                       /* doesn't support them!          */
 661         else {
 662                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 663                         floor_mode = 0;
 664                         }
 665                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 666                         floor_mode = 1;
 667                         }
 668                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 669                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 670                         }
 671                 }
 672         }
 673
 674 /*
 675  * Set or change the user's password
 676  */
 677 int set_password(void) {
 678         char pass1[20];
 679         char pass2[20];
 680         char buf[256];
 681
 682         if (strlen(rc_password) > 0) {
 683                 strcpy(pass1,rc_password);
 684                 strcpy(pass2,rc_password);
 685                 }
 686         else {
 687                 IFNEXPERT formout("changepw");
 688                 newprompt("Enter a new password: ", pass1, -19);
 689                 newprompt("Enter it again to confirm: ", pass2, -19);
 690                 }
 691         if (!strucmp(pass1,pass2)) {
 692                 snprintf(buf,sizeof buf,"SETP %s",pass1);
 693                 serv_puts(buf);
 694                 serv_gets(buf);
 695                 printf("%s\n",&buf[4]);
 696                 strcpy(re_password, pass1);
 697                 return(0);
 698                 }
 699         else {
 700                 printf("*** They don't match... try again.\n");
 701                 return(1);
 702                 }
 703         }
 704
 705
 706
 707 /*
 708  * get info about the server we've connected to
 709  */
 710 void get_serv_info(void) {
 711         char buf[256];
 712
 713         CtdlInternalGetServInfo(&serv_info);
 714
 715         /* be nice and identify ourself to the server */
 716         snprintf(buf,sizeof buf,"IDEN %d|%d|%d|%s|",
 717                 SERVER_TYPE,0,REV_LEVEL,
 718                 (server_is_local ? "local" : CITADEL));
 719         locate_host(&buf[strlen(buf)]); /* append to the end */
 720         serv_puts(buf);
 721         serv_gets(buf); /* we don't care about the result code */
 722         }
 723
 724
 725
 726
 727
 728 /*
 729  * Display list of users currently logged on to the server
 730  */
 731 void who_is_online(int longlist)
 732 {
 733         char buf[128], username[128], roomname[128], fromhost[128], flags[128];
 734         char tbuf[128], clientsoft[128];
 735         time_t timenow=0;
 736         time_t idletime, idlehours, idlemins, idlesecs;
 737         int last_session = (-1);
 738
 739         if (longlist)
 740         {
 741            serv_puts("TIME");
 742            serv_gets(tbuf);
 743            if (tbuf[0] == '2') {
 744                 timenow = extract_long(&tbuf[4], 0);
 745                 }
 746            else {
 747                 time(&timenow);
 748                 }
 749         }
 750         else {
 751         color(3);
 752         printf("FLG ###        User Name                 Room                 From host\n");
 753         color(6);
 754         printf("--- --- ------------------------- -------------------- ------------------------\n");
 755                 }
 756         serv_puts("RWHO");
 757         serv_gets(buf);
 758         if (buf[0]=='1')
 759         {
 760                 while(serv_gets(buf), strcmp(buf,"000"))
 761                 {
 762                         extract(username,buf,1);
 763                         extract(roomname,buf,2);
 764                         extract(fromhost,buf,3);
 765                         extract(clientsoft, buf, 4);
 766                         extract(flags,buf,7);
 767
 768                         if (longlist) {
 769                                 idletime = timenow - extract_long(buf, 5);
 770                                 idlehours = idletime / 3600;
 771                                 idlemins = (idletime - (idlehours*3600)) / 60;
 772                                 idlesecs = (idletime - (idlehours*3600) - (idlemins*60) );
 773                                 printf("\nFlags: %-3s  Sess# %-3d  Name: %-25s  Room: %s\n",
 774                                         flags, extract_int(buf,0), username, roomname);
 775                                 printf("from <%s> using <%s>, idle %ld:%02ld:%02ld\n",
 776                                         fromhost, clientsoft,
 777                                         (long)idlehours, (long)idlemins, (long)idlesecs);
 778
 779                                 }
 780                         else {
 781                                 if (extract_int(buf,0)==last_session) {
 782                                         printf("        ");
 783                                         }
 784                                 else {
 785                                         color(1); printf("%-3s ", flags);
 786                                         color(2); printf("%-3d ", extract_int(buf,0));
 787                                         }
 788                                 last_session=extract_int(buf,0);
 789                                 color(3); printf("%-25s ", username);
 790                                 color(4); printf("%-20s ", roomname);
 791                                 color(5); printf("%-24s\n", fromhost);
 792                                 color(7);
 793                                 }
 794                         }
 795                 }
 796         }
 797
 798 void enternew(char *desc, char *buf, int maxlen)
 799 {
 800    char bbb[128];
 801    snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 802    newprompt(bbb, buf, maxlen);
 803 }
 804
 805 /*
 806  * main
 807  */
 808 int main(int argc, char **argv)
 809 {
 810 int a,b,mcmd;
 811 char aaa[100],bbb[100],eee[100];                /* general purpose variables */
 812 char argbuf[32];                                /* command line buf */
 813 volatile int termn8 = 0;
 814
 815
 816 sttybbs(SB_SAVE);               /* Store the old terminal parameters */
 817 load_command_set();             /* parse the citadel.rc file */
 818 sttybbs(SB_NO_INTR);            /* Install the new ones */
 819 signal(SIGINT,SIG_IGN);
 820 signal(SIGQUIT,SIG_IGN);
 821 signal(SIGHUP,dropcarr);        /* Cleanup gracefully if carrier is dropped */
 822 signal(SIGTERM,dropcarr);       /* Cleanup gracefully if terminated */
 823 signal(SIGCONT,catch_sigcont);  /* Catch SIGCONT so we can reset terminal */
 824
 825 printf("Attaching to server...\r");
 826 fflush(stdout);
 827 attach_to_server(argc,argv);
 828
 829 send_ansi_detect();
 830
 831 serv_gets(aaa);
 832 if (aaa[0]!='2') {
 833         printf("%s\n",&aaa[4]);
 834         logoff(atoi(aaa));
 835         }
 836 get_serv_info();
 837
 838 look_for_ansi();
 839 cls(0);
 840 color(7);
 841
 842 printf("%-22s\n%s\n%s\n",serv_info.serv_software,serv_info.serv_humannode,
 843         serv_info.serv_bbs_city);
 844 screenwidth = 80;               /* default screen dimensions */
 845 screenheight = 24;
 846
 847 printf(" pause    next    stop\n");
 848 printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
 849 formout("hello");               /* print the opening greeting */
 850 printf("\n");
 851
 852 GSTA:   termn8=0; newnow=0;
 853         do {
 854                 if (strlen(rc_username) > 0) {
 855                         strcpy(fullname,rc_username);
 856                         }
 857                 else {
 858                         newprompt("Enter your name: ",fullname,29);
 859                         }
 860                 strproc(fullname);
 861                 if (!strucmp(fullname,"new")) {         /* just in case */
 862                    printf("Please enter the name you wish to log in with.\n");
 863                    }
 864                 } while(
 865                         (!strucmp(fullname,"bbs"))
 866                         || (!strucmp(fullname,"new"))
 867                         || (strlen(fullname)==0) );
 868
 869         if (!strucmp(fullname,"off")) {
 870                 mcmd=29;
 871                 goto TERMN8;
 872                 }
 873
 874         /* sign on to the server */
 875         strcpy(re_username, fullname);
 876         snprintf(aaa,sizeof aaa,"USER %s",fullname);
 877         serv_puts(aaa);
 878         serv_gets(aaa);
 879         if (aaa[0]!='3') goto NEWUSR;
 880
 881         /* password authentication */
 882         if (strlen(rc_password)>0) {
 883                 strcpy(eee,rc_password);
 884                 }
 885         else {
 886                 newprompt("\rPlease enter your password: ",eee,-19);
 887                 }
 888         strproc(eee);
 889         snprintf(aaa,sizeof aaa,"PASS %s",eee);
 890         serv_puts(aaa);
 891         serv_gets(aaa);
 892         if (aaa[0]=='2') {
 893                 strcpy(re_password, eee);
 894                 load_user_info(&aaa[4]);
 895                 goto PWOK;
 896                 }
 897
 898         printf("<< wrong password >>\n");
 899         if (strlen(rc_password)>0) logoff(0);
 900         goto GSTA;
 901
 902 NEWUSR: if (strlen(rc_password)==0) {
 903                 printf("No record. Enter as new user? ");
 904                 if (yesno()==0) goto GSTA;
 905                 }
 906
 907         snprintf(aaa,sizeof aaa,"NEWU %s",fullname);
 908         serv_puts(aaa);
 909         serv_gets(aaa);
 910         if (aaa[0]!='2') {
 911                 printf("%s\n",aaa);
 912                 goto GSTA;
 913                 }
 914         load_user_info(&aaa[4]);
 915
 916         while (set_password() != 0) ;;
 917         newnow=1;
 918
 919         enter_config(1);
 920
 921
 922 PWOK:   printf("%s\nAccess level: %d (%s)\nUser #%ld / Call #%d\n",
 923                 fullname,axlevel,axdefs[(int)axlevel],
 924                 usernum,timescalled);
 925
 926         serv_puts("CHEK");
 927         serv_gets(aaa);
 928         if (aaa[0]=='2') {
 929                 b = extract_int(&aaa[4],0);
 930                 if (b==1) printf("*** You have a new private message in Mail>\n");
 931                 if (b>1)  printf("*** You have %d new private messages in Mail>\n",b);
 932
 933                 if ((axlevel>=6) && (extract_int(&aaa[4],2)>0)) {
 934                         printf("*** Users need validation\n");
 935                         }
 936
 937                 if (extract_int(&aaa[4],1)>0) {
 938                         printf("*** Please register.\n");
 939                         formout("register");
 940                         entregis();
 941                         }
 942                 }
 943
 944         /* Make up some temporary filenames for use in various parts of the
 945          * program.  Don't mess with these once they've been set, because we
 946          * will be unlinking them later on in the program and we don't
 947          * want to delete something that we didn't create. */
 948         snprintf(temp,sizeof temp,"/tmp/citA%d",getpid());
 949         snprintf(temp2,sizeof temp2,"/tmp/citB%d",getpid());
 950         snprintf(tempdir,sizeof tempdir,"/tmp/citC%d",getpid());
 951
 952         /* Get screen dimensions.  First we go to a default of 80x24.  Then
 953          * we try to get the user's actual screen dimensions off the server.
 954          * However, if we're running on an xterm, all this stuff is
 955          * irrelevant because we're going to dynamically size the screen
 956          * during the session.
 957          */
 958         screenwidth = 80;
 959         screenheight = 24;
 960         serv_puts("GETU");
 961         serv_gets(aaa);
 962         if (aaa[0]=='2') {
 963                 screenwidth = extract_int(&aaa[4],0);
 964                 screenheight = extract_int(&aaa[4],1);
 965                 }
 966         if (getenv("TERM")!=NULL) if (!strcmp(getenv("TERM"),"xterm")) {
 967                 have_xterm = 1;
 968                 }
 969 #ifdef TIOCGWINSZ
 970         check_screen_dims();
 971 #endif
 972
 973         set_floor_mode();
 974
 975
 976         /* Enter the lobby */
 977         dotgoto("_BASEROOM_",1);
 978
 979 /* Main loop for the system... user is logged in. */
 980         strcpy(ugname,"");
 981         uglsn = 0L;
 982
 983         if (newnow==1)  readmsgs(3,1,5);
 984                 else    readmsgs(1,1,0);
 985
 986 do {    /* MAIN LOOP OF PROGRAM */
 987
 988         /* Reconnect to the server if the connection was broken */
 989         if (setjmp(jmp_reconnect)) {
 990                 printf("\rServer connection broken; reconnecting...\r");
 991                 fflush(stdout);
 992                 attach_to_server(argc,argv);
 993                 printf("                                         \r");
 994                 fflush(stdout);
 995                 serv_gets(aaa);
 996                 if (aaa[0]!='2') { printf("%s\n", &aaa[4]); exit(0); }
 997                 get_serv_info();
 998                 sprintf(aaa, "USER %s", re_username);
 999                 serv_puts(aaa);
1000                 serv_gets(aaa);
1001                 if (aaa[0]!='3') { printf("%s\n", &aaa[4]); exit(0); }
1002                 sprintf(aaa, "PASS %s", re_password);
1003                 serv_puts(aaa);
1004                 serv_gets(aaa);
1005                 if (aaa[0]!='2') { printf("%s\n", &aaa[4]); exit(0); }
1006                 load_user_info(&aaa[4]);
1007                 sprintf(aaa, "GOTO %s", room_name);
1008                 serv_puts(aaa);
1009                 serv_gets(aaa);
1010                 }
1011         signal(SIGPIPE, sigpipehandler);
1012
1013         signal(SIGINT,SIG_IGN);
1014         signal(SIGQUIT,SIG_IGN);
1015         mcmd=getcmd(argbuf);
1016
1017 #ifdef TIOCGWINSZ
1018         check_screen_dims();
1019 #endif
1020
1021         if (termn8==0) switch(mcmd) {
1022            case 1:      formout("help");
1023                         break;
1024            case 4:      entmsg(0,0);
1025                         break;
1026            case 36:     entmsg(0,1);
1027                         break;
1028            case 46:     entmsg(0,2);
1029                         break;
1030            case 78:     newprompt("What do you want your username to be? ", aaa, 32);
1031                         snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1032                         serv_puts(bbb);
1033                         serv_gets(aaa);
1034                         if (strncmp("200", aaa, 3))
1035                            printf("\n%s\n", aaa);
1036                         else
1037                            entmsg(0, 0);
1038                         break;
1039            case 5:      updatels();
1040                         gotonext();
1041                         break;
1042            case 47:     updatelsa();
1043                         gotonext();
1044                         break;
1045            case 58:     updatelsa();
1046                         dotgoto("_MAIL_",1);
1047                         break;
1048            case 20:     updatels();
1049            case 52:     dotgoto(argbuf,0);
1050                         break;
1051            case 10:     readmsgs(0,1,0);
1052                         break;
1053            case 9:      readmsgs(3,1,5);
1054                         break;
1055            case 13:     readmsgs(1,1,0);
1056                         break;
1057            case 11:     readmsgs(0,(-1),0);
1058                         break;
1059            case 12:     readmsgs(2,(-1),0);
1060                         break;
1061            case 71:     readmsgs(3, 1, atoi(argbuf));
1062                         break;
1063            case 7:      forget();       break;
1064            case 18:     subshell();     break;
1065            case 38:     updatels();
1066                         entroom();      break;
1067            case 22:     killroom();     break;
1068            case 32:     userlist();     break;
1069            case 27:     invite();       break;
1070            case 28:     kickout();      break;
1071            case 23:     editthisroom(); break;
1072            case 14:     roomdir();      break;
1073            case 33:     download(0);    break;
1074            case 34:     download(1);    break;
1075            case 31:     download(2);    break;
1076            case 43:     download(3);    break;
1077            case 45:     download(4);    break;
1078            case 55:     download(5);    break;
1079            case 39:     upload(0);      break;
1080            case 40:     upload(1);      break;
1081            case 42:     upload(2);      break;
1082            case 44:     upload(3);      break;
1083            case 57:     cli_upload();   break;
1084            case 16:     ungoto();       break;
1085            case 24:     whoknows();     break;
1086            case 26:     validate();     break;
1087            case 29:     updatels();
1088                         termn8=1;
1089                         break;
1090            case 30:     updatels();
1091                         termn8=1;
1092                         break;
1093            case 48:     enterinfo();
1094                         break;
1095            case 49:     readinfo();
1096                         break;
1097            case 72:     cli_image_upload("_userpic_");
1098                         break;
1099            case 73:     cli_image_upload("_roompic_");
1100                         break;
1101
1102 case 74:
1103         snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1104         cli_image_upload(aaa);
1105         break;
1106
1107 case 75:
1108         enternew("roomname", aaa, 20);
1109         snprintf(bbb, sizeof bbb, "RCHG %s", aaa);
1110         serv_puts(bbb);
1111         serv_gets(aaa);
1112         if (strncmp("200",aaa, 3))
1113            printf("\n%s\n", aaa);
1114         break;
1115 case 76:
1116         enternew("hostname", aaa, 25);
1117         snprintf(bbb, sizeof bbb, "HCHG %s", aaa);
1118         serv_puts(bbb);
1119         serv_gets(aaa);
1120         if (strncmp("200",aaa, 3))
1121            printf("\n%s\n", aaa);
1122         break;
1123 case 77:
1124         enternew("username", aaa, 32);
1125         snprintf(bbb, sizeof bbb, "UCHG %s", aaa);
1126         serv_puts(bbb);
1127         serv_gets(aaa);
1128         if (strncmp("200",aaa, 3))
1129            printf("\n%s\n", aaa);
1130         break;
1131
1132 case 35:
1133         set_password();
1134         break;
1135
1136 case 21:
1137         if (argbuf[0]==0) strcpy(aaa,"?");
1138         display_help(argbuf);
1139         break;
1140
1141 case 41:
1142         formout("register");
1143         entregis();
1144         break;
1145
1146 case 15:
1147         printf("Are you sure (y/n)? ");
1148         if (yesno()==1) {
1149                 updatels();
1150                 a=0;
1151                 termn8=1;
1152                 }
1153         break;
1154
1155 case 6:
1156         gotonext();
1157         break;
1158
1159 case 3: chatmode();
1160         break;
1161
1162 case 2: if (server_is_local) {
1163                 sttybbs(SB_RESTORE);
1164                 snprintf(aaa,sizeof aaa,"USERNAME=\042%s\042; export USERNAME;"
1165                         "exec ./subsystem %ld %d %d", fullname,
1166                         usernum,screenwidth,axlevel);
1167                 ka_system(aaa);
1168                 sttybbs(SB_NO_INTR);
1169                 }
1170         else {
1171                 printf("*** Can't run doors when server is not local.\n");
1172                 }
1173         break;
1174
1175 case 17:
1176         who_is_online(0);
1177         break;
1178
1179 case 79:
1180         who_is_online(1);
1181         break;
1182
1183 case 80:
1184         do_system_configuration();
1185         break;
1186
1187 case 50:
1188         enter_config(2);
1189         break;
1190
1191 case 37:
1192         enter_config(0);
1193         set_floor_mode();
1194         break;
1195
1196 case 59:
1197         enter_config(3);
1198         set_floor_mode();
1199         break;
1200
1201 case 60:
1202         gotofloor(argbuf,GF_GOTO);
1203         break;
1204
1205 case 61:
1206         gotofloor(argbuf,GF_SKIP);
1207         break;
1208
1209 case 62:
1210         forget_this_floor();
1211         break;
1212
1213 case 63:
1214         create_floor();
1215         break;
1216
1217 case 64:
1218         edit_floor();
1219         break;
1220
1221 case 65:
1222         kill_floor();
1223         break;
1224
1225 case 66:
1226         enter_bio();
1227         break;
1228
1229 case 67:
1230         read_bio();
1231         break;
1232
1233 case 25:
1234         edituser();
1235         break;
1236
1237 case 8:
1238         knrooms(floor_mode);
1239         printf("\n");
1240         break;
1241
1242 case 68:
1243         knrooms(2);
1244         printf("\n");
1245         break;
1246
1247 case 69:
1248         misc_server_cmd(argbuf);
1249         break;
1250
1251 case 70:
1252         edit_system_message(argbuf);
1253         break;
1254
1255 case 19:
1256         listzrooms();
1257         printf("\n");
1258         break;
1259
1260 case 51:
1261         deletefile();
1262         break;
1263
1264 case 53:
1265         netsendfile();
1266         break;
1267
1268 case 54:
1269         movefile();
1270         break;
1271
1272 case 56:
1273         page_user();
1274         break;
1275
1276         } /* end switch */
1277     } while(termn8==0);
1278
1279 TERMN8: printf("%s logged out.\n",fullname);
1280         while (march!=NULL) remove_march(march->march_name,0);
1281         if (mcmd==30)
1282                 printf("\n\nType 'off' to hang up, or next user...\n");
1283         snprintf(aaa,sizeof aaa,"LOUT");
1284         serv_puts(aaa);
1285         serv_gets(aaa);
1286         if ((mcmd==29)||(mcmd==15)) {
1287                 formout("goodbye");
1288                 logoff(0);
1289                 }
1290         goto GSTA;
1291
1292 } /* end main() */
1293