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