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         };
  42
  43 #define IFEXPERT if (userflags&US_EXPERT)
  44 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  45 #define IFAIDE if (axlevel>=6)
  46 #define IFNAIDE if (axlevel<6)
  47
  48 struct march *march = NULL;
  49
  50 /* globals associated with the client program */
  51 char temp[16];                          /* Name of general temp file */
  52 char temp2[16];                         /* Name of general temp file */
  53 char tempdir[16];                       /* Name of general temp dir */
  54 char editor_path[256];                  /* path to external editor */
  55 char printcmd[256];                     /* print command */
  56 int editor_pid = (-1);
  57 char fullname[32];
  58 jmp_buf nextbuf;
  59 struct CtdlServInfo serv_info;          /* Info on the server connected */
  60 int screenwidth;
  61 int screenheight;
  62 unsigned room_flags;
  63 char room_name[32];
  64 char ugname[ROOMNAMELEN];
  65 long uglsn;                             /* holds <u>ngoto info */
  66 char is_mail = 0;                       /* nonzero when we're in a mail room */
  67 char axlevel = 0;                       /* access level */
  68 char is_room_aide = 0;                  /* boolean flag, 1 if room aide */
  69 int timescalled;
  70 int posted;
  71 unsigned userflags;
  72 long usernum = 0L;                      /* user number */
  73 char newnow;
  74 long highest_msg_read;                  /* used for <A>bandon room cmd */
  75 long maxmsgnum;                         /* used for <G>oto */
  76 char sigcaught = 0;
  77 char have_xterm = 0;                    /* are we running on an xterm? */
  78 char rc_username[32];
  79 char rc_password[32];
  80 char rc_floor_mode;
  81 char floor_mode;
  82 char curr_floor = 0;                    /* number of current floor */
  83 char floorlist[128][256];               /* names of floors */
  84 char express_msgs = 0;                  /* express messages waiting! */
  85
  86 jmp_buf jmp_reconnect;                  /* for server reconnects */
  87 char re_username[32];
  88 char re_password[32];
  89
  90 void sigpipehandler(int nothing) {
  91         longjmp(jmp_reconnect, nothing);
  92         }
  93
  94 /*
  95  * here is our 'clean up gracefully and exit' routine
  96  */
  97 void logoff(int code)
  98 {
  99         if (editor_pid>0) {             /* kill the editor if it's running */
 100                 kill(editor_pid,SIGHUP);
 101                 }
 102
 103 /* shut down the server... but not if the logoff code is 3, because
 104  * that means we're exiting because we already lost the server
 105  */
 106         if (code!=3) serv_puts("QUIT");
 107
 108 /*
 109  * now clean up various things
 110  */
 111
 112         unlink(temp);
 113         unlink(temp2);
 114         nukedir(tempdir);
 115
 116         /* Violently kill off any child processes if Citadel is
 117          * the login shell.
 118          */
 119         if (getppid()==1) {
 120                 kill(0-getpgrp(),SIGTERM);
 121                 sleep(1);
 122                 kill(0-getpgrp(),SIGKILL);
 123                 }
 124
 125         sttybbs(SB_RESTORE);            /* return the old terminal settings */
 126         exit(code);                     /* exit with the proper exit code */
 127         }
 128
 129
 130
 131 /*
 132  * We handle "next" and "stop" much differently than in earlier versions.
 133  * The signal catching routine simply sets a flag and returns.
 134  */
 135 void sighandler(int which_sig)
 136 {
 137         signal(SIGINT,SIG_IGN);
 138         signal(SIGQUIT,SIG_IGN);
 139         sigcaught = which_sig;
 140         return;
 141         }
 142
 143
 144 /*
 145  * signal catching function for hangups...
 146  */
 147 void dropcarr(int signum) {
 148         logoff(SIGHUP);
 149         }
 150
 151
 152
 153 /*
 154  * catch SIGCONT to reset terminal modes when were are put back into the
 155  * foreground.
 156  */
 157 void catch_sigcont(int signum) {
 158         sttybbs(SB_LAST);
 159         }
 160
 161
 162
 163 /* general purpose routines */
 164
 165 void formout(char *name) /* display a file */
 166
 167         {
 168         char cmd[256];
 169         snprintf(cmd,sizeof cmd,"MESG %s",name);
 170         serv_puts(cmd);
 171         serv_gets(cmd);
 172         if (cmd[0]!='1') {
 173                 printf("%s\n",&cmd[4]);
 174                 return;
 175                 }
 176         fmout(screenwidth,NULL,
 177                 ((userflags & US_PAGINATOR) ? 1 : 0),
 178                 screenheight,1,1);
 179         }
 180
 181
 182 void userlist(void) {
 183         char buf[256];
 184         char fl[256];
 185         struct tm *tmbuf;
 186         time_t lc;
 187         int linecount = 2;
 188
 189         serv_puts("LIST");
 190         serv_gets(buf);
 191         if (buf[0]!='1') {
 192                 printf("%s\n",&buf[4]);
 193                 return;
 194                 }
 195         sigcaught = 0;
 196         sttybbs(SB_YES_INTR);
 197         printf("       User Name           Num  L  LastCall  Calls Posts\n");
 198         printf("------------------------- ----- - ---------- ----- -----\n");
 199         while (serv_gets(buf), strcmp(buf,"000")) {
 200                 if (sigcaught == 0) {
 201                         extract(fl,buf,0);
 202                         printf("%-25s ",fl);
 203                         printf("%5ld %d ",extract_long(buf,2),
 204                                 extract_int(buf,1));
 205                         lc = extract_long(buf,3);
 206                         tmbuf = (struct tm *)localtime(&lc);
 207                         printf("%02d/%02d/%04d ",
 208                                 (tmbuf->tm_mon+1),
 209                                 tmbuf->tm_mday,
 210                                 (tmbuf->tm_year + 1900));
 211                         printf("%5ld %5ld\n",extract_long(buf,4),extract_long(buf,5));
 212
 213                         ++linecount;
 214                         linecount = checkpagin(linecount,
 215                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 216                                 screenheight);
 217
 218                         }
 219                 }
 220         sttybbs(SB_NO_INTR);
 221         printf("\n");
 222         }
 223
 224
 225 /*
 226  * grab assorted info about the user...
 227  */
 228 void load_user_info(char *params)
 229 {
 230         extract(fullname,params,0);
 231         axlevel = extract_int(params,1);
 232         timescalled = extract_int(params,2);
 233         posted = extract_int(params,3);
 234         userflags = extract_int(params,4);
 235         usernum = extract_long(params,5);
 236         }
 237
 238
 239 /*
 240  * Remove a room from the march list.  'floornum' is ignored unless
 241  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 242  * floor will be removed from the march list.
 243  */
 244 void remove_march(char *roomname, int floornum)
 245 {
 246         struct march *mptr,*mptr2;
 247
 248         if (march==NULL) return;
 249
 250         if ( (!strucmp(march->march_name,roomname))
 251          || ((!strucmp(roomname,"_FLOOR_"))&&(march->march_floor==floornum))) {
 252                 mptr = march->next;
 253                 free(march);
 254                 march = mptr;
 255                 return;
 256                 }
 257
 258         mptr2 = march;
 259         for (mptr=march; mptr!=NULL; mptr=mptr->next) {
 260
 261                 if ( (!strucmp(mptr->march_name,roomname))
 262                    || ((!strucmp(roomname,"_FLOOR_"))
 263                         &&(mptr->march_floor==floornum))) {
 264
 265                         mptr2->next = mptr->next;
 266                         free(mptr);
 267                         mptr=mptr2;
 268                         }
 269                 else {
 270                         mptr2=mptr;
 271                         }
 272                 }
 273         }
 274
 275 /*
 276  * sort the march list by floor
 277  */
 278 void sort_march_list(void) {
 279         struct march *mlist[129];
 280         struct march *mptr = NULL;
 281         int a;
 282
 283         if (march == NULL) return;
 284
 285         for (a=0; a<129; ++a) mlist[a] = NULL;
 286
 287         /* first, create 128 separate lists for each floor. */
 288         while (march != NULL) {
 289
 290                 a = (int)(march->march_floor);
 291
 292                 /* assign an illegal floor number of 128 to _BASEROOM_
 293                  * in order to force it to show up last */
 294                 if (!strucmp(march->march_name,"_BASEROOM_")) a = 128;
 295
 296                 mptr = march;
 297                 march = march->next;
 298                 mptr->next = mlist[a];
 299                 mlist[a] = mptr;
 300                 }
 301
 302         /* now merge the lists, in order, into one big list,
 303          * except the current floor
 304          */
 305         for (a=128; a>=0; --a) if (a != curr_floor) {
 306                 while (mlist[a] != NULL) {
 307                         mptr = mlist[a];
 308                         mlist[a] = mlist[a]->next;
 309                         mptr->next = march;
 310                         march = mptr;
 311                         }
 312                 }
 313
 314         /* now merge in rooms from the current floor */
 315         while (mlist[(int)curr_floor] != NULL) {
 316                 mptr = mlist[(int)curr_floor];
 317                 mlist[(int)curr_floor] = mlist[(int)curr_floor]->next;
 318                 mptr->next = march;
 319                 march = mptr;
 320                 }
 321
 322         }
 323
 324
 325
 326 /*
 327  * jump directly to a room
 328  */
 329 void dotgoto(char *towhere, int display_name)
 330 {
 331         char aaa[256],bbb[256],psearch[256];
 332         static long ls = 0L;
 333         int newmailcount;
 334         static int oldmailcount = (-1);
 335         int partial_match,best_match;
 336         char from_floor;
 337
 338         /* store ungoto information */
 339         strcpy(ugname,room_name);
 340         uglsn = ls;
 341
 342         /* first try an exact match */
 343         snprintf(aaa,sizeof aaa,"GOTO %s",towhere);
 344         serv_puts(aaa);
 345         serv_gets(aaa);
 346         if (aaa[3]=='*') express_msgs = 1;
 347         if (!strncmp(aaa,"54",2)) {
 348                 newprompt("Enter room password: ",bbb,9);
 349                 snprintf(aaa,sizeof aaa,"GOTO %s|%s",towhere,bbb);
 350                 serv_puts(aaa);
 351                 serv_gets(aaa);
 352                 if (aaa[3]=='*') express_msgs = 1;
 353                 }
 354         if (!strncmp(aaa,"54",2)) {
 355                 printf("Wrong password.\n");
 356                 return;
 357                 }
 358
 359
 360         /*
 361          * If a match is not found, try a partial match.
 362          * Partial matches anywhere in the string carry a weight of 1,
 363          * left-aligned matches carry a weight of 2.  Pick the room that
 364          * has the highest-weighted match.
 365          */
 366         if (aaa[0]!='2') {
 367                 best_match = 0;
 368                 strcpy(bbb,"");
 369                 serv_puts("LKRA");
 370                 serv_gets(aaa);
 371                 if (aaa[0]=='1') while (serv_gets(aaa), strcmp(aaa,"000")) {
 372                         extract(psearch,aaa,0);
 373                         partial_match = 0;
 374                         if (pattern(psearch,towhere)>=0) {
 375                                 partial_match = 1;
 376                                 }
 377                         if (!struncmp(towhere,psearch,strlen(towhere))) {
 378                                 partial_match = 2;
 379                                 }
 380                         if (partial_match > best_match) {
 381                                 strcpy(bbb,psearch);
 382                                 best_match = partial_match;
 383                                 }
 384                         }
 385                 if (strlen(bbb)==0) {
 386                         printf("No room '%s'.\n",towhere);
 387                         return;
 388                         }
 389                 snprintf(aaa,sizeof aaa,"GOTO %s",bbb);
 390                 serv_puts(aaa);
 391                 serv_gets(aaa);
 392                 if (aaa[3]=='*') express_msgs = 1;
 393                 }
 394
 395         if (aaa[0]!='2') {
 396                 printf("%s\n",aaa);
 397                 return;
 398                 }
 399
 400         extract(room_name,&aaa[4],0);
 401         room_flags = extract_int(&aaa[4],4);
 402         from_floor = curr_floor;
 403         curr_floor = extract_int(&aaa[4],10);
 404
 405         remove_march(room_name,0);
 406         if (!strucmp(towhere,"_BASEROOM_")) remove_march(towhere,0);
 407         if ((from_floor!=curr_floor) && (display_name>0) && (floor_mode==1)) {
 408                 if (floorlist[(int)curr_floor][0]==0) load_floorlist();
 409                 printf("(Entering floor: %s)\n",&floorlist[(int)curr_floor][0]);
 410                 }
 411         if (display_name == 1) printf("%s - ",room_name);
 412         if (display_name != 2) printf("%d new of %d messages.\n",
 413                 extract_int(&aaa[4],1),
 414                 extract_int(&aaa[4],2));
 415         highest_msg_read = extract_int(&aaa[4],6);
 416         maxmsgnum = extract_int(&aaa[4],5);
 417         is_mail = (char) extract_int(&aaa[4],7);
 418         is_room_aide = (char) extract_int(&aaa[4],8);
 419         ls = extract_long(&aaa[4],6);
 420
 421         /* read info file if necessary */
 422         if (extract_int(&aaa[4],3) > 0) readinfo();
 423
 424         /* check for newly arrived mail if we can */
 425         if (num_parms(&aaa[4])>=10) {
 426                 newmailcount = extract_int(&aaa[4],9);
 427                 if ( (oldmailcount >= 0) && (newmailcount > oldmailcount) )
 428                         printf("*** You have new mail\n");
 429                 oldmailcount = newmailcount;
 430                 }
 431         }
 432
 433 /* Goto next room having unread messages.
 434  * We want to skip over rooms that the user has already been to, and take the
 435  * user back to the lobby when done.  The room we end up in is placed in
 436  * newroom - which is set to 0 (the lobby) initially.
 437  */
 438 void gotonext(void) {
 439         char buf[256];
 440         struct march *mptr,*mptr2;
 441         char next_room[32];
 442
 443         /* Check to see if the march-mode list is already allocated.
 444          * If it is, pop the first room off the list and go there.
 445          */
 446         if (march==NULL) {
 447                 serv_puts("LKRN");
 448                 serv_gets(buf);
 449                 if (buf[0]=='1')
 450                     while (serv_gets(buf), strcmp(buf,"000")) {
 451                         mptr = (struct march *) malloc(sizeof(struct march));
 452                         mptr->next = NULL;
 453                         extract(mptr->march_name,buf,0);
 454                         mptr->march_floor = (char) (extract_int(buf,2) & 0x7F);
 455                         if (march==NULL) {
 456                                 march = mptr;
 457                                 }
 458                         else {
 459                                 mptr2 = march;
 460                                 while (mptr2->next != NULL)
 461                                         mptr2 = mptr2->next;
 462                                 mptr2->next = mptr;
 463                                 }
 464                         }
 465
 466 /* add _BASEROOM_ to the end of the march list, so the user will end up
 467  * in the system base room (usually the Lobby>) at the end of the loop
 468  */
 469                 mptr = (struct march *) malloc(sizeof(struct march));
 470                 mptr->next = NULL;
 471                 strcpy(mptr->march_name,"_BASEROOM_");
 472                 if (march==NULL) {
 473                         march = mptr;
 474                         }
 475                 else {
 476                         mptr2 = march;
 477                         while (mptr2->next != NULL)
 478                                 mptr2 = mptr2->next;
 479                         mptr2->next = mptr;
 480                         }
 481 /*
 482  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 483  * walk around in circles
 484  */
 485                 remove_march(room_name,0);
 486                 }
 487
 488         sort_march_list();
 489
 490         if (march!=NULL) {
 491                 strcpy(next_room,march->march_name);
 492                 }
 493         else {
 494                 strcpy(next_room,"_BASEROOM_");
 495                 }
 496         remove_march(next_room,0);
 497         dotgoto(next_room,1);
 498    }
 499
 500 /*
 501  * forget all rooms on a given floor
 502  */
 503 void forget_all_rooms_on(int ffloor)
 504 {
 505         char buf[256];
 506         struct march *flist,*fptr;
 507
 508         printf("Forgetting all rooms on %s...\r",&floorlist[ffloor][0]);
 509         fflush(stdout);
 510         snprintf(buf,sizeof buf,"LKRA %d",ffloor);
 511         serv_puts(buf);
 512         serv_gets(buf);
 513         if (buf[0]!='1') {
 514                 printf("%-72s\n",&buf[4]);
 515                 return;
 516                 }
 517         flist = NULL;
 518         while (serv_gets(buf), strcmp(buf,"000")) {
 519                 fptr = (struct march *) malloc(sizeof(struct march));
 520                 fptr->next = flist;
 521                 flist = fptr;
 522                 extract(fptr->march_name,buf,0);
 523                 }
 524         while (flist != NULL) {
 525                 snprintf(buf,sizeof buf,"GOTO %s",flist->march_name);
 526                 serv_puts(buf);
 527                 serv_gets(buf);
 528                 if (buf[0]=='2') {
 529                         serv_puts("FORG");
 530                         serv_gets(buf);
 531                         }
 532                 fptr = flist;
 533                 flist = flist->next;
 534                 free(fptr);
 535                 }
 536         printf("%-72s\r","");
 537         }
 538
 539
 540 /*
 541  * routine called by gotofloor() to move to a new room on a new floor
 542  */
 543 void gf_toroom(char *towhere, int mode)
 544 {
 545         int floor_being_left;
 546
 547         floor_being_left = curr_floor;
 548
 549         if (mode == GF_GOTO) {          /* <;G>oto mode */
 550                 updatels();
 551                 dotgoto(towhere,1);
 552                 }
 553
 554         if (mode == GF_SKIP) {          /* <;S>kip mode */
 555                 dotgoto(towhere,1);
 556                 remove_march("_FLOOR_",floor_being_left);
 557                 }
 558
 559         if (mode == GF_ZAP) {           /* <;Z>ap mode */
 560                 dotgoto(towhere,1);
 561                 remove_march("_FLOOR_",floor_being_left);
 562                 forget_all_rooms_on(floor_being_left);
 563                 }
 564         }
 565
 566
 567 /*
 568  * go to a new floor
 569  */
 570 void gotofloor(char *towhere, int mode)
 571 {
 572         int a,tofloor;
 573         struct march *mptr;
 574         char buf[256],targ[256];
 575
 576         if (floorlist[0][0]==0) load_floorlist();
 577         tofloor = (-1);
 578         for (a=0; a<128; ++a) if (!strucmp(&floorlist[a][0],towhere))
 579                 tofloor = a;
 580
 581         if (tofloor<0) {
 582                 for (a=0; a<128; ++a) {
 583                     if (!struncmp(&floorlist[a][0],towhere,strlen(towhere))) {
 584                         tofloor = a;
 585                         }
 586                     }
 587                 }
 588
 589         if (tofloor<0) {
 590                 for (a=0; a<128; ++a)
 591                     if (pattern(towhere,&floorlist[a][0])>0)
 592                         tofloor = a;
 593                 }
 594
 595         if (tofloor<0) {
 596                 printf("No floor '%s'.\n",towhere);
 597                 return;
 598                 }
 599
 600         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 601                 if ((mptr->march_floor) == tofloor)
 602                         gf_toroom(mptr->march_name,mode);
 603                         return;
 604                 }
 605
 606         strcpy(targ,"");
 607         snprintf(buf,sizeof buf,"LKRA %d",tofloor);
 608         serv_puts(buf);
 609         serv_gets(buf);
 610         if (buf[0]=='1') while (serv_gets(buf), strcmp(buf,"000")) {
 611                 if ((extract_int(buf,2)==tofloor)&&(strlen(targ)==0))
 612                          extract(targ,buf,0);
 613                 }
 614         if (strlen(targ)>0) {
 615                 gf_toroom(targ,mode);
 616                 }
 617         else {
 618                 printf("There are no rooms on '%s'.\n",&floorlist[tofloor][0]);
 619                 }
 620         }
 621
 622
 623 /*
 624  * forget all rooms on current floor
 625  */
 626 void forget_this_floor(void) {
 627
 628         if (curr_floor == 0) {
 629                 printf("Can't forget this floor.\n");
 630                 return;
 631                 }
 632
 633         if (floorlist[0][0]==0) load_floorlist();
 634         printf("Are you sure you want to forget all rooms on %s? ",
 635                 &floorlist[(int)curr_floor][0]);
 636         if (yesno()==0) return;
 637
 638         gf_toroom("_BASEROOM_",GF_ZAP);
 639         }
 640
 641
 642 /*
 643  * Figure out the physical screen dimensions, if we can
 644  */
 645 void check_screen_dims(void) {
 646 #ifdef TIOCGWINSZ
 647         struct {
 648                 unsigned short height;          /* rows */
 649                 unsigned short width;           /* columns */
 650                 unsigned short xpixels;
 651                 unsigned short ypixels;         /* pixels */
 652         } xwinsz;
 653
 654         if (have_xterm) {       /* dynamically size screen if on an xterm */
 655                 if ( ioctl(0, TIOCGWINSZ, &xwinsz) == 0 ) {
 656                         if (xwinsz.height) screenheight = (int) xwinsz.height;
 657                         if (xwinsz.width) screenwidth = (int) xwinsz.width;
 658                         }
 659                 }
 660 #endif
 661         }
 662
 663
 664 /*
 665  * set floor mode depending on client, server, and user settings
 666  */
 667 void set_floor_mode(void) {
 668         if (serv_info.serv_ok_floors == 0) {
 669                 floor_mode = 0;         /* Don't use floors if the server */
 670                 }                       /* doesn't support them!          */
 671         else {
 672                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 673                         floor_mode = 0;
 674                         }
 675                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 676                         floor_mode = 1;
 677                         }
 678                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 679                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 680                         }
 681                 }
 682         }
 683
 684 /*
 685  * Set or change the user's password
 686  */
 687 int set_password(void) {
 688         char pass1[20];
 689         char pass2[20];
 690         char buf[256];
 691
 692         if (strlen(rc_password) > 0) {
 693                 strcpy(pass1,rc_password);
 694                 strcpy(pass2,rc_password);
 695                 }
 696         else {
 697                 IFNEXPERT formout("changepw");
 698                 newprompt("Enter a new password: ", pass1, -19);
 699                 newprompt("Enter it again to confirm: ", pass2, -19);
 700                 }
 701         if (!strucmp(pass1,pass2)) {
 702                 snprintf(buf,sizeof buf,"SETP %s",pass1);
 703                 serv_puts(buf);
 704                 serv_gets(buf);
 705                 printf("%s\n",&buf[4]);
 706                 strcpy(re_password, pass1);
 707                 return(0);
 708                 }
 709         else {
 710                 printf("*** They don't match... try again.\n");
 711                 return(1);
 712                 }
 713         }
 714
 715
 716
 717 /*
 718  * get info about the server we've connected to
 719  */
 720 void get_serv_info(void) {
 721         char buf[256];
 722
 723         CtdlInternalGetServInfo(&serv_info);
 724
 725         /* be nice and identify ourself to the server */
 726         snprintf(buf,sizeof buf,"IDEN %d|%d|%d|%s|",
 727                 SERVER_TYPE,0,REV_LEVEL,
 728                 (server_is_local ? "local" : CITADEL));
 729         locate_host(&buf[strlen(buf)]); /* append to the end */
 730         serv_puts(buf);
 731         serv_gets(buf); /* we don't care about the result code */
 732         }
 733
 734
 735
 736
 737
 738 /*
 739  * Display list of users currently logged on to the server
 740  */
 741 void who_is_online(int longlist)
 742 {
 743         char buf[128], username[128], roomname[128], fromhost[128], flags[128];
 744         char tbuf[128], clientsoft[128];
 745         time_t timenow=0;
 746         time_t idletime, idlehours, idlemins, idlesecs;
 747         int last_session = (-1);
 748
 749         if (longlist)
 750         {
 751            serv_puts("TIME");
 752            serv_gets(tbuf);
 753            if (tbuf[0] == '2') {
 754                 timenow = extract_long(&tbuf[4], 0);
 755                 }
 756            else {
 757                 time(&timenow);
 758                 }
 759         }
 760         else {
 761         color(3);
 762         printf("FLG ###        User Name                 Room                 From host\n");
 763         color(6);
 764         printf("--- --- ------------------------- -------------------- ------------------------\n");
 765                 }
 766         serv_puts("RWHO");
 767         serv_gets(buf);
 768         if (buf[0]=='1')
 769         {
 770                 while(serv_gets(buf), strcmp(buf,"000"))
 771                 {
 772                         extract(username,buf,1);
 773                         extract(roomname,buf,2);
 774                         extract(fromhost,buf,3);
 775                         extract(clientsoft, buf, 4);
 776                         extract(flags,buf,7);
 777
 778                         if (longlist) {
 779                                 idletime = timenow - extract_long(buf, 5);
 780                                 idlehours = idletime / 3600;
 781                                 idlemins = (idletime - (idlehours*3600)) / 60;
 782                                 idlesecs = (idletime - (idlehours*3600) - (idlemins*60) );
 783                                 printf("\nFlags: %-3s  Sess# %-3d  Name: %-25s  Room: %s\n",
 784                                         flags, extract_int(buf,0), username, roomname);
 785                                 printf("from <%s> using <%s>, idle %ld:%02ld:%02ld\n",
 786                                         fromhost, clientsoft,
 787                                         (long)idlehours, (long)idlemins, (long)idlesecs);
 788
 789                                 }
 790                         else {
 791                                 if (extract_int(buf,0)==last_session) {
 792                                         printf("        ");
 793                                         }
 794                                 else {
 795                                         color(1); printf("%-3s ", flags);
 796                                         color(2); printf("%-3d ", extract_int(buf,0));
 797                                         }
 798                                 last_session=extract_int(buf,0);
 799                                 color(3); printf("%-25s ", username);
 800                                 color(4); printf("%-20s ", roomname);
 801                                 color(5); printf("%-24s\n", fromhost);
 802                                 color(7);
 803                                 }
 804                         }
 805                 }
 806         }
 807
 808 void enternew(char *desc, char *buf, int maxlen)
 809 {
 810    char bbb[128];
 811    snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 812    newprompt(bbb, buf, maxlen);
 813 }
 814
 815 /*
 816  * main
 817  */
 818 int main(int argc, char **argv)
 819 {
 820 int a,b,mcmd;
 821 char aaa[100],bbb[100],eee[100];                /* general purpose variables */
 822 char argbuf[32];                                /* command line buf */
 823 int termn8 = 0;
 824
 825
 826 sttybbs(SB_SAVE);               /* Store the old terminal parameters */
 827 load_command_set();             /* parse the citadel.rc file */
 828 sttybbs(SB_NO_INTR);            /* Install the new ones */
 829 signal(SIGINT,SIG_IGN);
 830 signal(SIGQUIT,SIG_IGN);
 831 signal(SIGHUP,dropcarr);        /* Cleanup gracefully if carrier is dropped */
 832 signal(SIGTERM,dropcarr);       /* Cleanup gracefully if terminated */
 833 signal(SIGCONT,catch_sigcont);  /* Catch SIGCONT so we can reset terminal */
 834
 835 printf("Attaching to server...\r");
 836 fflush(stdout);
 837 attach_to_server(argc,argv);
 838
 839 send_ansi_detect();
 840
 841 serv_gets(aaa);
 842 if (aaa[0]!='2') {
 843         printf("%s\n",&aaa[4]);
 844         logoff(atoi(aaa));
 845         }
 846 get_serv_info();
 847
 848 look_for_ansi();
 849 cls(0);
 850 color(7);
 851
 852 printf("%-22s\n%s\n%s\n",serv_info.serv_software,serv_info.serv_humannode,
 853         serv_info.serv_bbs_city);
 854 screenwidth = 80;               /* default screen dimensions */
 855 screenheight = 24;
 856
 857 printf(" pause    next    stop\n");
 858 printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
 859 formout("hello");               /* print the opening greeting */
 860 printf("\n");
 861
 862 GSTA:   termn8=0; newnow=0;
 863         do {
 864                 if (strlen(rc_username) > 0) {
 865                         strcpy(fullname,rc_username);
 866                         }
 867                 else {
 868                         newprompt("Enter your name: ",fullname,29);
 869                         }
 870                 strproc(fullname);
 871                 if (!strucmp(fullname,"new")) {         /* just in case */
 872                    printf("Please enter the name you wish to log in with.\n");
 873                    }
 874                 } while(
 875                         (!strucmp(fullname,"bbs"))
 876                         || (!strucmp(fullname,"new"))
 877                         || (strlen(fullname)==0) );
 878
 879         if (!strucmp(fullname,"off")) {
 880                 mcmd=29;
 881                 goto TERMN8;
 882                 }
 883
 884         /* sign on to the server */
 885         strcpy(re_username, fullname);
 886         snprintf(aaa,sizeof aaa,"USER %s",fullname);
 887         serv_puts(aaa);
 888         serv_gets(aaa);
 889         if (aaa[0]!='3') goto NEWUSR;
 890
 891         /* password authentication */
 892         if (strlen(rc_password)>0) {
 893                 strcpy(eee,rc_password);
 894                 }
 895         else {
 896                 newprompt("\rPlease enter your password: ",eee,-19);
 897                 }
 898         strproc(eee);
 899         snprintf(aaa,sizeof aaa,"PASS %s",eee);
 900         serv_puts(aaa);
 901         serv_gets(aaa);
 902         if (aaa[0]=='2') {
 903                 strcpy(re_password, eee);
 904                 load_user_info(&aaa[4]);
 905                 goto PWOK;
 906                 }
 907
 908         printf("<< wrong password >>\n");
 909         if (strlen(rc_password)>0) logoff(0);
 910         goto GSTA;
 911
 912 NEWUSR: if (strlen(rc_password)==0) {
 913                 printf("No record. Enter as new user? ");
 914                 if (yesno()==0) goto GSTA;
 915                 }
 916
 917         snprintf(aaa,sizeof aaa,"NEWU %s",fullname);
 918         serv_puts(aaa);
 919         serv_gets(aaa);
 920         if (aaa[0]!='2') {
 921                 printf("%s\n",aaa);
 922                 goto GSTA;
 923                 }
 924         load_user_info(&aaa[4]);
 925
 926         while (set_password() != 0) ;;
 927         newnow=1;
 928
 929         enter_config(1);
 930
 931
 932 PWOK:   printf("%s\nAccess level: %d (%s)\nUser #%ld / Call #%d\n",
 933                 fullname,axlevel,axdefs[(int)axlevel],
 934                 usernum,timescalled);
 935
 936         serv_puts("CHEK");
 937         serv_gets(aaa);
 938         if (aaa[0]=='2') {
 939                 b = extract_int(&aaa[4],0);
 940                 if (b==1) printf("*** You have a new private message in Mail>\n");
 941                 if (b>1)  printf("*** You have %d new private messages in Mail>\n",b);
 942
 943                 if ((axlevel>=6) && (extract_int(&aaa[4],2)>0)) {
 944                         printf("*** Users need validation\n");
 945                         }
 946
 947                 if (extract_int(&aaa[4],1)>0) {
 948                         printf("*** Please register.\n");
 949                         formout("register");
 950                         entregis();
 951                         }
 952                 }
 953
 954         /* Make up some temporary filenames for use in various parts of the
 955          * program.  Don't mess with these once they've been set, because we
 956          * will be unlinking them later on in the program and we don't
 957          * want to delete something that we didn't create. */
 958         snprintf(temp,sizeof temp,"/tmp/citA%d",getpid());
 959         snprintf(temp2,sizeof temp2,"/tmp/citB%d",getpid());
 960         snprintf(tempdir,sizeof tempdir,"/tmp/citC%d",getpid());
 961
 962         /* Get screen dimensions.  First we go to a default of 80x24.  Then
 963          * we try to get the user's actual screen dimensions off the server.
 964          * However, if we're running on an xterm, all this stuff is
 965          * irrelevant because we're going to dynamically size the screen
 966          * during the session.
 967          */
 968         screenwidth = 80;
 969         screenheight = 24;
 970         serv_puts("GETU");
 971         serv_gets(aaa);
 972         if (aaa[0]=='2') {
 973                 screenwidth = extract_int(&aaa[4],0);
 974                 screenheight = extract_int(&aaa[4],1);
 975                 }
 976         if (getenv("TERM")!=NULL) if (!strcmp(getenv("TERM"),"xterm")) {
 977                 have_xterm = 1;
 978                 }
 979 #ifdef TIOCGWINSZ
 980         check_screen_dims();
 981 #endif
 982
 983         set_floor_mode();
 984
 985
 986         /* Enter the lobby */
 987         dotgoto("_BASEROOM_",1);
 988
 989 /* Main loop for the system... user is logged in. */
 990         strcpy(ugname,"");
 991         uglsn = 0L;
 992
 993         if (newnow==1)  readmsgs(3,1,5);
 994                 else    readmsgs(1,1,0);
 995
 996 do {    /* MAIN LOOP OF PROGRAM */
 997
 998         /* Reconnect to the server if the connection was broken */
 999         if (setjmp(jmp_reconnect)) {
1000                 printf("\rServer connection broken; reconnecting...\r");
1001                 fflush(stdout);
1002                 attach_to_server(argc,argv);
1003                 printf("                                         \r");
1004                 fflush(stdout);
1005                 serv_gets(aaa);
1006                 if (aaa[0]!='2') { printf("%s\n", &aaa[4]); exit(0); }
1007                 sprintf(aaa, "USER %s", re_username);
1008                 serv_puts(aaa);
1009                 serv_gets(aaa);
1010                 if (aaa[0]!='3') { printf("%s\n", &aaa[4]); exit(0); }
1011                 sprintf(aaa, "PASS %s", re_password);
1012                 serv_puts(aaa);
1013                 serv_gets(aaa);
1014                 if (aaa[0]!='2') { printf("%s\n", &aaa[4]); exit(0); }
1015                 load_user_info(&aaa[4]);
1016                 }
1017         signal(SIGPIPE, sigpipehandler);
1018
1019         signal(SIGINT,SIG_IGN);
1020         signal(SIGQUIT,SIG_IGN);
1021         mcmd=getcmd(argbuf);
1022
1023 #ifdef TIOCGWINSZ
1024         check_screen_dims();
1025 #endif
1026
1027         if (termn8==0) switch(mcmd) {
1028            case 1:      formout("help");
1029                         break;
1030            case 4:      entmsg(0,0);
1031                         break;
1032            case 36:     entmsg(0,1);
1033                         break;
1034            case 46:     entmsg(0,2);
1035                         break;
1036            case 78:     newprompt("What do you want your username to be? ", aaa, 32);
1037                         snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1038                         serv_puts(bbb);
1039                         serv_gets(aaa);
1040                         if (strncmp("200", aaa, 3))
1041                            printf("\n%s\n", aaa);
1042                         else
1043                            entmsg(0, 0);
1044                         break;
1045            case 5:      updatels();
1046                         gotonext();
1047                         break;
1048            case 47:     updatelsa();
1049                         gotonext();
1050                         break;
1051            case 58:     updatelsa();
1052                         dotgoto("_MAIL_",1);
1053                         break;
1054            case 20:     updatels();
1055            case 52:     dotgoto(argbuf,0);
1056                         break;
1057            case 10:     readmsgs(0,1,0);
1058                         break;
1059            case 9:      readmsgs(3,1,5);
1060                         break;
1061            case 13:     readmsgs(1,1,0);
1062                         break;
1063            case 11:     readmsgs(0,(-1),0);
1064                         break;
1065            case 12:     readmsgs(2,(-1),0);
1066                         break;
1067            case 71:     readmsgs(3, 1, atoi(argbuf));
1068                         break;
1069            case 7:      forget();       break;
1070            case 18:     subshell();     break;
1071            case 38:     updatels();
1072                         entroom();      break;
1073            case 22:     killroom();     break;
1074            case 32:     userlist();     break;
1075            case 27:     invite();       break;
1076            case 28:     kickout();      break;
1077            case 23:     editthisroom(); break;
1078            case 14:     roomdir();      break;
1079            case 33:     download(0);    break;
1080            case 34:     download(1);    break;
1081            case 31:     download(2);    break;
1082            case 43:     download(3);    break;
1083            case 45:     download(4);    break;
1084            case 55:     download(5);    break;
1085            case 39:     upload(0);      break;
1086            case 40:     upload(1);      break;
1087            case 42:     upload(2);      break;
1088            case 44:     upload(3);      break;
1089            case 57:     cli_upload();   break;
1090            case 16:     ungoto();       break;
1091            case 24:     whoknows();     break;
1092            case 26:     validate();     break;
1093            case 29:     updatels();
1094                         termn8=1;
1095                         break;
1096            case 30:     updatels();
1097                         termn8=1;
1098                         break;
1099            case 48:     enterinfo();
1100                         break;
1101            case 49:     readinfo();
1102                         break;
1103            case 72:     cli_image_upload("_userpic_");
1104                         break;
1105            case 73:     cli_image_upload("_roompic_");
1106                         break;
1107
1108 case 74:
1109         snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1110         cli_image_upload(aaa);
1111         break;
1112
1113 case 75:
1114         enternew("roomname", aaa, 20);
1115         snprintf(bbb, sizeof bbb, "RCHG %s", aaa);
1116         serv_puts(bbb);
1117         serv_gets(aaa);
1118         if (strncmp("200",aaa, 3))
1119            printf("\n%s\n", aaa);
1120         break;
1121 case 76:
1122         enternew("hostname", aaa, 25);
1123         snprintf(bbb, sizeof bbb, "HCHG %s", aaa);
1124         serv_puts(bbb);
1125         serv_gets(aaa);
1126         if (strncmp("200",aaa, 3))
1127            printf("\n%s\n", aaa);
1128         break;
1129 case 77:
1130         enternew("username", aaa, 32);
1131         snprintf(bbb, sizeof bbb, "UCHG %s", aaa);
1132         serv_puts(bbb);
1133         serv_gets(aaa);
1134         if (strncmp("200",aaa, 3))
1135            printf("\n%s\n", aaa);
1136         break;
1137
1138 case 35:
1139         set_password();
1140         break;
1141
1142 case 21:
1143         if (argbuf[0]==0) strcpy(aaa,"?");
1144         display_help(argbuf);
1145         break;
1146
1147 case 41:
1148         formout("register");
1149         entregis();
1150         break;
1151
1152 case 15:
1153         printf("Are you sure (y/n)? ");
1154         if (yesno()==1) {
1155                 updatels();
1156                 a=0;
1157                 termn8=1;
1158                 }
1159         break;
1160
1161 case 6:
1162         gotonext();
1163         break;
1164
1165 case 3: chatmode();
1166         break;
1167
1168 case 2: if (server_is_local) {
1169                 sttybbs(SB_RESTORE);
1170                 snprintf(aaa,sizeof aaa,"USERNAME=\042%s\042; export USERNAME;"
1171                         "exec ./subsystem %ld %d %d", fullname,
1172                         usernum,screenwidth,axlevel);
1173                 ka_system(aaa);
1174                 sttybbs(SB_NO_INTR);
1175                 }
1176         else {
1177                 printf("*** Can't run doors when server is not local.\n");
1178                 }
1179         break;
1180
1181 case 17:
1182         who_is_online(0);
1183         break;
1184
1185 case 79:
1186         who_is_online(1);
1187         break;
1188
1189 case 80:
1190         do_system_configuration();
1191         break;
1192
1193 case 50:
1194         enter_config(2);
1195         break;
1196
1197 case 37:
1198         enter_config(0);
1199         set_floor_mode();
1200         break;
1201
1202 case 59:
1203         enter_config(3);
1204         set_floor_mode();
1205         break;
1206
1207 case 60:
1208         gotofloor(argbuf,GF_GOTO);
1209         break;
1210
1211 case 61:
1212         gotofloor(argbuf,GF_SKIP);
1213         break;
1214
1215 case 62:
1216         forget_this_floor();
1217         break;
1218
1219 case 63:
1220         create_floor();
1221         break;
1222
1223 case 64:
1224         edit_floor();
1225         break;
1226
1227 case 65:
1228         kill_floor();
1229         break;
1230
1231 case 66:
1232         enter_bio();
1233         break;
1234
1235 case 67:
1236         read_bio();
1237         break;
1238
1239 case 25:
1240         edituser();
1241         break;
1242
1243 case 8:
1244         knrooms(floor_mode);
1245         printf("\n");
1246         break;
1247
1248 case 68:
1249         knrooms(2);
1250         printf("\n");
1251         break;
1252
1253 case 69:
1254         misc_server_cmd(argbuf);
1255         break;
1256
1257 case 70:
1258         edit_system_message(argbuf);
1259         break;
1260
1261 case 19:
1262         listzrooms();
1263         printf("\n");
1264         break;
1265
1266 case 51:
1267         deletefile();
1268         break;
1269
1270 case 53:
1271         netsendfile();
1272         break;
1273
1274 case 54:
1275         movefile();
1276         break;
1277
1278 case 56:
1279         page_user();
1280         break;
1281
1282         } /* end switch */
1283     } while(termn8==0);
1284
1285 TERMN8: printf("%s logged out.\n",fullname);
1286         while (march!=NULL) remove_march(march->march_name,0);
1287         if (mcmd==30)
1288                 printf("\n\nType 'off' to hang up, or next user...\n");
1289         snprintf(aaa,sizeof aaa,"LOUT");
1290         serv_puts(aaa);
1291         serv_gets(aaa);
1292         if ((mcmd==29)||(mcmd==15)) {
1293                 formout("goodbye");
1294                 logoff(0);
1295                 }
1296         goto GSTA;
1297
1298 } /* end main() */
1299