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