citadel/citadel.c

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