citadel/citadel.c

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