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
  27 struct march {
  28         struct march *next;
  29         char march_name[32];
  30         char march_floor;
  31         };
  32
  33 #define IFEXPERT if (userflags&US_EXPERT)
  34 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  35 #define IFAIDE if (axlevel>=6)
  36 #define IFNAIDE if (axlevel<6)
  37
  38 struct march *march = NULL;
  39 long finduser();
  40 void extract();
  41 long extract_long();
  42 int extract_int();
  43 void load_command_set();
  44 void updatelsa();
  45 void movefile();
  46 void deletefile();
  47 void netsendfile();
  48 void listzrooms();
  49 int ka_system();
  50 void interr();
  51 int struncmp();
  52 int yesno();
  53 void sttybbs();
  54 void newprompt();
  55 void strprompt();
  56 int fmout();
  57 int checkpagin();
  58 int pattern();
  59 int pattern2();
  60 void readinfo();
  61 int num_parms();
  62 void attach_to_server();
  63 void strproc();
  64 void enter_config();
  65 void entregis();
  66 int entmsg();
  67 void updatels();
  68 void forget();
  69 void readmsgs();
  70 int getcmd();
  71 void subshell();
  72 void entroom();
  73 void killroom();
  74 void invite();
  75 void kickout();
  76 void editthisroom();
  77 void roomdir();
  78 void download();
  79 void upload();
  80 void cli_upload();
  81 void ungoto();
  82 void whoknows();
  83 void validate();
  84 void enterinfo();
  85 void display_help();
  86 void edituser();
  87 void knrooms();
  88 void locate_host();
  89 void chatmode();
  90 void load_floorlist();
  91 void create_floor();
  92 void edit_floor();
  93 void kill_floor();
  94 void enter_bio();
  95 void read_bio();
  96 void misc_server_cmd();
  97 int nukedir();
  98 void color();
  99 void cls();
 100 void edit_system_message();
 101 void send_ansi_detect();
 102 void look_for_ansi();
 103 void cli_image_upload();
 104
 105
 106 /* globals associated with the client program */
 107 char temp[16];                          /* Name of general temp file */
 108 char temp2[16];                         /* Name of general temp file */
 109 char tempdir[16];                       /* Name of general temp dir */
 110 char editor_path[256];                  /* path to external editor */
 111 char printcmd[256];                     /* print command */
 112 int editor_pid = (-1);
 113 char fullname[32];
 114 jmp_buf nextbuf;
 115 struct CtdlServInfo serv_info;          /* Info on the server connected */
 116 int screenwidth;
 117 int screenheight;
 118 unsigned room_flags;
 119 char room_name[32];
 120 char ugname[20];
 121 long uglsn;                             /* holds <u>ngoto info */
 122 char is_mail = 0;                       /* nonzero when we're in a mail room */
 123 char axlevel = 0;                       /* access level */
 124 char is_room_aide = 0;                  /* boolean flag, 1 if room aide */
 125 int timescalled;
 126 int posted;
 127 unsigned userflags;
 128 long usernum = 0L;                      /* user number */
 129 char newnow;
 130 long highest_msg_read;                  /* used for <A>bandon room cmd */
 131 long maxmsgnum;                         /* used for <G>oto */
 132 char sigcaught = 0;
 133 char have_xterm = 0;                    /* are we running on an xterm? */
 134 char rc_username[32];
 135 char rc_password[32];
 136 char rc_floor_mode;
 137 char floor_mode;
 138 char curr_floor = 0;                    /* number of current floor */
 139 char floorlist[128][256];               /* names of floors */
 140 char express_msgs = 0;                  /* express messages waiting! */
 141 char last_paged[32]="";
 142
 143 extern char server_is_local;            /* defined in ipc module */
 144
 145 /*
 146  * here is our 'clean up gracefully and exit' routine
 147  */
 148 void logoff(code)
 149 int code; {
 150         if (editor_pid>0) {             /* kill the editor if it's running */
 151                 kill(editor_pid,SIGHUP);
 152                 }
 153
 154 /* shut down the server... but not if the logoff code is 3, because
 155  * that means we're exiting because we already lost the server
 156  */
 157         if (code!=3) serv_puts("QUIT");
 158
 159 /*
 160  * now clean up various things
 161  */
 162
 163         unlink(temp);
 164         unlink(temp2);
 165         nukedir(tempdir);
 166
 167         /* Violently kill off any child processes if Citadel is
 168          * the login shell.
 169          */
 170         if (getppid()==1) {
 171                 kill(0-getpgrp(),SIGTERM);
 172                 sleep(1);
 173                 kill(0-getpgrp(),SIGKILL);
 174                 }
 175
 176         sttybbs(SB_RESTORE);            /* return the old terminal settings */
 177         exit(code);                     /* exit with the proper exit code */
 178         }
 179
 180
 181
 182 /*
 183  * We handle "next" and "stop" much differently than in earlier versions.
 184  * The signal catching routine simply sets a flag and returns.
 185  */
 186 void sighandler(which_sig)
 187 int which_sig; {
 188         signal(SIGINT,SIG_IGN);
 189         signal(SIGQUIT,SIG_IGN);
 190         sigcaught = which_sig;
 191         return;
 192         }
 193
 194
 195 /*
 196  * signal catching function for hangups...
 197  */
 198 void dropcarr() {
 199         logoff(SIGHUP);
 200         }
 201
 202
 203
 204 /* general purpose routines */
 205
 206 void formout(name) /* display a file */
 207 char name[];
 208         {
 209         char cmd[256];
 210         sprintf(cmd,"MESG %s",name);
 211         serv_puts(cmd);
 212         serv_gets(cmd);
 213         if (cmd[0]!='1') {
 214                 printf("%s\n",&cmd[4]);
 215                 return;
 216                 }
 217         fmout(screenwidth,NULL,
 218                 ((userflags & US_PAGINATOR) ? 1 : 0),
 219                 screenheight,1,1);
 220         }
 221
 222
 223 void userlist() {
 224         char buf[256];
 225         char fl[256];
 226         struct tm *tmbuf;
 227         long lc;
 228         int linecount = 2;
 229
 230         serv_puts("LIST");
 231         serv_gets(buf);
 232         if (buf[0]!='1') {
 233                 printf("%s\n",&buf[4]);
 234                 return;
 235                 }
 236         sigcaught = 0;
 237         sttybbs(SB_YES_INTR);
 238         printf("       User Name           Num  L  LastCall  Calls Posts\n");
 239         printf("------------------------- ----- - ---------- ----- -----\n");
 240         while (serv_gets(buf), strcmp(buf,"000")) {
 241                 if (sigcaught == 0) {
 242                         extract(fl,buf,0);
 243                         printf("%-25s ",fl);
 244                         printf("%5ld %d ",extract_long(buf,2),
 245                                 extract_int(buf,1));
 246                         lc = extract_long(buf,3);
 247                         tmbuf = (struct tm *)localtime(&lc);
 248                         printf("%02d/%02d/%04d ",
 249                                 (tmbuf->tm_mon+1),
 250                                 tmbuf->tm_mday,
 251                                 (tmbuf->tm_year + 1900));
 252                         printf("%5ld %5ld\n",extract_long(buf,4),extract_long(buf,5));
 253
 254                         ++linecount;
 255                         linecount = checkpagin(linecount,
 256                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 257                                 screenheight);
 258
 259                         }
 260                 }
 261         sttybbs(SB_NO_INTR);
 262         printf("\n");
 263         }
 264
 265
 266 /*
 267  * grab assorted info about the user...
 268  */
 269 void load_user_info(params)
 270 char *params; {
 271         extract(fullname,params,0);
 272         axlevel = extract_int(params,1);
 273         timescalled = extract_int(params,2);
 274         posted = extract_int(params,3);
 275         userflags = extract_int(params,4);
 276         usernum = extract_long(params,5);
 277         }
 278
 279
 280 /*
 281  * Remove a room from the march list.  'floornum' is ignored unless
 282  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 283  * floor will be removed from the march list.
 284  */
 285 void remove_march(roomname,floornum)
 286 char *roomname;
 287 int floornum; {
 288         struct march *mptr,*mptr2;
 289
 290         if (march==NULL) return;
 291
 292         if ( (!strucmp(march->march_name,roomname))
 293          || ((!strucmp(roomname,"_FLOOR_"))&&(march->march_floor==floornum))) {
 294                 mptr = march->next;
 295                 free(march);
 296                 march = mptr;
 297                 return;
 298                 }
 299
 300         mptr2 = march;
 301         for (mptr=march; mptr!=NULL; mptr=mptr->next) {
 302
 303                 if ( (!strucmp(mptr->march_name,roomname))
 304                    || ((!strucmp(roomname,"_FLOOR_"))
 305                         &&(mptr->march_floor==floornum))) {
 306
 307                         mptr2->next = mptr->next;
 308                         free(mptr);
 309                         mptr=mptr2;
 310                         }
 311                 else {
 312                         mptr2=mptr;
 313                         }
 314                 }
 315         }
 316
 317 /*
 318  * sort the march list by floor
 319  */
 320 void sort_march_list() {
 321         struct march *mlist[129];
 322         struct march *mptr = NULL;
 323         int a;
 324
 325         if (march == NULL) return;
 326
 327         for (a=0; a<129; ++a) mlist[a] = NULL;
 328
 329         /* first, create 128 separate lists for each floor. */
 330         while (march != NULL) {
 331
 332                 a = (int)(march->march_floor);
 333
 334                 /* assign an illegal floor number of 128 to _BASEROOM_
 335                  * in order to force it to show up last */
 336                 if (!strucmp(march->march_name,"_BASEROOM_")) a = 128;
 337
 338                 mptr = march;
 339                 march = march->next;
 340                 mptr->next = mlist[a];
 341                 mlist[a] = mptr;
 342                 }
 343
 344         /* now merge the lists, in order, into one big list,
 345          * except the current floor
 346          */
 347         for (a=128; a>=0; --a) if (a != curr_floor) {
 348                 while (mlist[a] != NULL) {
 349                         mptr = mlist[a];
 350                         mlist[a] = mlist[a]->next;
 351                         mptr->next = march;
 352                         march = mptr;
 353                         }
 354                 }
 355
 356         /* now merge in rooms from the current floor */
 357         while (mlist[(int)curr_floor] != NULL) {
 358                 mptr = mlist[(int)curr_floor];
 359                 mlist[(int)curr_floor] = mlist[(int)curr_floor]->next;
 360                 mptr->next = march;
 361                 march = mptr;
 362                 }
 363
 364         }
 365
 366
 367
 368 /*
 369  * jump directly to a room
 370  */
 371 void dotgoto(towhere,display_name)
 372 char *towhere;
 373 int display_name; {
 374         char aaa[256],bbb[256],psearch[256];
 375         static long ls = 0L;
 376         int newmailcount;
 377         static int oldmailcount = (-1);
 378         int partial_match,best_match;
 379         char from_floor;
 380
 381         /* store ungoto information */
 382         strcpy(ugname,room_name);
 383         uglsn = ls;
 384
 385         /* first try an exact match */
 386         sprintf(aaa,"GOTO %s",towhere);
 387         serv_puts(aaa);
 388         serv_gets(aaa);
 389         if (aaa[3]=='*') express_msgs = 1;
 390         if (!strncmp(aaa,"54",2)) {
 391                 newprompt("Enter room password: ",bbb,9);
 392                 sprintf(aaa,"GOTO %s|%s",towhere,bbb);
 393                 serv_puts(aaa);
 394                 serv_gets(aaa);
 395                 if (aaa[3]=='*') express_msgs = 1;
 396                 }
 397         if (!strncmp(aaa,"54",2)) {
 398                 printf("Wrong password.\n");
 399                 return;
 400                 }
 401
 402
 403         /*
 404          * If a match is not found, try a partial match.
 405          * Partial matches anywhere in the string carry a weight of 1,
 406          * left-aligned matches carry a weight of 2.  Pick the room that
 407          * has the highest-weighted match.
 408          */
 409         if (aaa[0]!='2') {
 410                 best_match = 0;
 411                 strcpy(bbb,"");
 412                 serv_puts("LKRA");
 413                 serv_gets(aaa);
 414                 if (aaa[0]=='1') while (serv_gets(aaa), strcmp(aaa,"000")) {
 415                         extract(psearch,aaa,0);
 416                         partial_match = 0;
 417                         if (pattern(psearch,towhere)>=0) {
 418                                 partial_match = 1;
 419                                 }
 420                         if (!struncmp(towhere,psearch,strlen(towhere))) {
 421                                 partial_match = 2;
 422                                 }
 423                         if (partial_match > best_match) {
 424                                 strcpy(bbb,psearch);
 425                                 best_match = partial_match;
 426                                 }
 427                         }
 428                 if (strlen(bbb)==0) {
 429                         printf("No room '%s'.\n",towhere);
 430                         return;
 431                         }
 432                 sprintf(aaa,"GOTO %s",bbb);
 433                 serv_puts(aaa);
 434                 serv_gets(aaa);
 435                 if (aaa[3]=='*') express_msgs = 1;
 436                 }
 437
 438         if (aaa[0]!='2') {
 439                 printf("%s\n",aaa);
 440                 return;
 441                 }
 442
 443         extract(room_name,&aaa[4],0);
 444         room_flags = extract_int(&aaa[4],4);
 445         from_floor = curr_floor;
 446         curr_floor = extract_int(&aaa[4],10);
 447
 448         remove_march(room_name,0);
 449         if (!strucmp(towhere,"_BASEROOM_")) remove_march(towhere,0);
 450         if ((from_floor!=curr_floor) && (display_name>0) && (floor_mode==1)) {
 451                 if (floorlist[(int)curr_floor][0]==0) load_floorlist();
 452                 printf("(Entering floor: %s)\n",&floorlist[(int)curr_floor][0]);
 453                 }
 454         if (display_name == 1) printf("%s - ",room_name);
 455         if (display_name != 2) printf("%d new of %d messages.\n",
 456                 extract_int(&aaa[4],1),
 457                 extract_int(&aaa[4],2));
 458         highest_msg_read = extract_int(&aaa[4],6);
 459         maxmsgnum = extract_int(&aaa[4],5);
 460         is_mail = (char) extract_int(&aaa[4],7);
 461         is_room_aide = (char) extract_int(&aaa[4],8);
 462         ls = extract_long(&aaa[4],6);
 463
 464         /* read info file if necessary */
 465         if (extract_int(&aaa[4],3) > 0) readinfo();
 466
 467         /* check for newly arrived mail if we can */
 468         if (num_parms(&aaa[4])>=10) {
 469                 newmailcount = extract_int(&aaa[4],9);
 470                 if ( (oldmailcount >= 0) && (newmailcount > oldmailcount) )
 471                         printf("*** You have new mail\n");
 472                 oldmailcount = newmailcount;
 473                 }
 474         }
 475
 476 /* Goto next room having unread messages.
 477  * We want to skip over rooms that the user has already been to, and take the
 478  * user back to the lobby when done.  The room we end up in is placed in
 479  * newroom - which is set to 0 (the lobby) initially.
 480  * We start the search in the current room rather than the beginning to prevent
 481  * two or more concurrent users from dragging each other back to the same room.
 482  */
 483 void gotonext() {
 484         char buf[256];
 485         struct march *mptr,*mptr2;
 486         char next_room[32];
 487
 488         /* First check to see if the march-mode list is already allocated.
 489          * If it is, pop the first room off the list and go there.
 490          */
 491
 492         if (march==NULL) {
 493                 serv_puts("LKRN");
 494                 serv_gets(buf);
 495                 if (buf[0]=='1')
 496                     while (serv_gets(buf), strcmp(buf,"000")) {
 497                         mptr = (struct march *) malloc(sizeof(struct march));
 498                         mptr->next = NULL;
 499                         extract(mptr->march_name,buf,0);
 500                         mptr->march_floor = (char) (extract_int(buf,2) & 0x7F);
 501                         if (march==NULL) {
 502                                 march = mptr;
 503                                 }
 504                         else {
 505                                 mptr2 = march;
 506                                 while (mptr2->next != NULL)
 507                                         mptr2 = mptr2->next;
 508                                 mptr2->next = mptr;
 509                                 }
 510                         }
 511
 512 /* add _BASEROOM_ to the end of the march list, so the user will end up
 513  * in the system base room (usually the Lobby>) at the end of the loop
 514  */
 515                 mptr = (struct march *) malloc(sizeof(struct march));
 516                 mptr->next = NULL;
 517                 strcpy(mptr->march_name,"_BASEROOM_");
 518                 if (march==NULL) {
 519                         march = mptr;
 520                         }
 521                 else {
 522                         mptr2 = march;
 523                         while (mptr2->next != NULL)
 524                                 mptr2 = mptr2->next;
 525                         mptr2->next = mptr;
 526                         }
 527 /*
 528  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 529  * walk around in circles
 530  */
 531                 remove_march(room_name,0);
 532                 }
 533
 534         sort_march_list();
 535
 536         if (march!=NULL) {
 537                 strcpy(next_room,march->march_name);
 538                 }
 539         else {
 540                 strcpy(next_room,"_BASEROOM_");
 541                 }
 542         remove_march(next_room,0);
 543         dotgoto(next_room,1);
 544    }
 545
 546 /*
 547  * forget all rooms on a given floor
 548  */
 549 void forget_all_rooms_on(ffloor)
 550 int ffloor; {
 551         char buf[256];
 552         struct march *flist,*fptr;
 553
 554         printf("Forgetting all rooms on %s...\r",&floorlist[ffloor][0]);
 555         fflush(stdout);
 556         sprintf(buf,"LKRA %d",ffloor);
 557         serv_puts(buf);
 558         serv_gets(buf);
 559         if (buf[0]!='1') {
 560                 printf("%-72s\n",&buf[4]);
 561                 return;
 562                 }
 563         flist = NULL;
 564         while (serv_gets(buf), strcmp(buf,"000")) {
 565                 fptr = (struct march *) malloc(sizeof(struct march));
 566                 fptr->next = flist;
 567                 flist = fptr;
 568                 extract(fptr->march_name,buf,0);
 569                 }
 570         while (flist != NULL) {
 571                 sprintf(buf,"GOTO %s",flist->march_name);
 572                 serv_puts(buf);
 573                 serv_gets(buf);
 574                 if (buf[0]=='2') {
 575                         serv_puts("FORG");
 576                         serv_gets(buf);
 577                         }
 578                 fptr = flist;
 579                 flist = flist->next;
 580                 free(fptr);
 581                 }
 582         printf("%-72s\r","");
 583         }
 584
 585
 586 /*
 587  * routine called by gotofloor() to move to a new room on a new floor
 588  */
 589 void gf_toroom(towhere,mode)
 590 char *towhere;
 591 int mode; {
 592         int floor_being_left;
 593
 594         floor_being_left = curr_floor;
 595
 596         if (mode == GF_GOTO) {          /* <;G>oto mode */
 597                 updatels();
 598                 dotgoto(towhere,1);
 599                 }
 600
 601         if (mode == GF_SKIP) {          /* <;S>kip mode */
 602                 dotgoto(towhere,1);
 603                 remove_march("_FLOOR_",floor_being_left);
 604                 }
 605
 606         if (mode == GF_ZAP) {           /* <;Z>ap mode */
 607                 dotgoto(towhere,1);
 608                 remove_march("_FLOOR_",floor_being_left);
 609                 forget_all_rooms_on(floor_being_left);
 610                 }
 611         }
 612
 613
 614 /*
 615  * go to a new floor
 616  */
 617 void gotofloor(towhere,mode)
 618 char *towhere;
 619 int mode; {
 620         int a,tofloor;
 621         struct march *mptr;
 622         char buf[256],targ[256];
 623
 624         if (floorlist[0][0]==0) load_floorlist();
 625         tofloor = (-1);
 626         for (a=0; a<128; ++a) if (!strucmp(&floorlist[a][0],towhere))
 627                 tofloor = a;
 628
 629         if (tofloor<0) {
 630                 for (a=0; a<128; ++a) {
 631                     if (!struncmp(&floorlist[a][0],towhere,strlen(towhere))) {
 632                         tofloor = a;
 633                         }
 634                     }
 635                 }
 636
 637         if (tofloor<0) {
 638                 for (a=0; a<128; ++a)
 639                     if (pattern(towhere,&floorlist[a][0])>0)
 640                         tofloor = a;
 641                 }
 642
 643         if (tofloor<0) {
 644                 printf("No floor '%s'.\n",towhere);
 645                 return;
 646                 }
 647
 648         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 649                 if ((mptr->march_floor) == tofloor)
 650                         gf_toroom(mptr->march_name,mode);
 651                         return;
 652                 }
 653
 654         strcpy(targ,"");
 655         sprintf(buf,"LKRA %d",tofloor);
 656         serv_puts(buf);
 657         serv_gets(buf);
 658         if (buf[0]=='1') while (serv_gets(buf), strcmp(buf,"000")) {
 659                 if ((extract_int(buf,2)==tofloor)&&(strlen(targ)==0))
 660                          extract(targ,buf,0);
 661                 }
 662         if (strlen(targ)>0) {
 663                 gf_toroom(targ,mode);
 664                 }
 665         else {
 666                 printf("There are no rooms on '%s'.\n",&floorlist[tofloor][0]);
 667                 }
 668         }
 669
 670
 671 /*
 672  * forget all rooms on current floor
 673  */
 674 void forget_this_floor() {
 675
 676         if (curr_floor == 0) {
 677                 printf("Can't forget this floor.\n");
 678                 return;
 679                 }
 680
 681         if (floorlist[0][0]==0) load_floorlist();
 682         printf("Are you sure you want to forget all rooms on %s? ",
 683                 &floorlist[(int)curr_floor][0]);
 684         if (yesno()==0) return;
 685
 686         gf_toroom("_BASEROOM_",GF_ZAP);
 687         }
 688
 689
 690 /*
 691  * Figure out the physical screen dimensions, if we can
 692  */
 693 void check_screen_dims() {
 694 #ifdef TIOCGWINSZ
 695         struct {
 696                 unsigned short height;          /* rows */
 697                 unsigned short width;           /* columns */
 698                 unsigned short xpixels;
 699                 unsigned short ypixels;         /* pixels */
 700         } xwinsz;
 701
 702         if (have_xterm) {       /* dynamically size screen if on an xterm */
 703                 if ( ioctl(0, TIOCGWINSZ, &xwinsz) == 0 ) {
 704                         if (xwinsz.height) screenheight = (int) xwinsz.height;
 705                         if (xwinsz.width) screenwidth = (int) xwinsz.width;
 706                         }
 707                 }
 708 #endif
 709         }
 710
 711
 712 /*
 713  * set floor mode depending on client, server, and user settings
 714  */
 715 void set_floor_mode() {
 716         if (serv_info.serv_ok_floors == 0) {
 717                 floor_mode = 0;         /* Don't use floors if the server */
 718                 }                       /* doesn't support them!          */
 719         else {
 720                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 721                         floor_mode = 0;
 722                         }
 723                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 724                         floor_mode = 1;
 725                         }
 726                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 727                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 728                         }
 729                 }
 730         }
 731
 732 /*
 733  * Set or change the user's password
 734  */
 735 int set_password() {
 736         char pass1[20];
 737         char pass2[20];
 738         char buf[256];
 739
 740         if (strlen(rc_password) > 0) {
 741                 strcpy(pass1,rc_password);
 742                 strcpy(pass2,rc_password);
 743                 }
 744         else {
 745                 IFNEXPERT formout("changepw");
 746                 newprompt("Enter a new password: ", pass1, -19);
 747                 newprompt("Enter it again to confirm: ", pass2, -19);
 748                 }
 749         if (!strucmp(pass1,pass2)) {
 750                 sprintf(buf,"SETP %s",pass1);
 751                 serv_puts(buf);
 752                 serv_gets(buf);
 753                 printf("%s\n",&buf[4]);
 754                 return(0);
 755                 }
 756         else {
 757                 printf("*** They don't match... try again.\n");
 758                 return(1);
 759                 }
 760         }
 761
 762
 763
 764 /*
 765  * get info about the server we've connected to
 766  */
 767 void get_serv_info() {
 768         char buf[256];
 769
 770         CtdlInternalGetServInfo(&serv_info);
 771
 772         /* be nice and identify ourself to the server */
 773         sprintf(buf,"IDEN %d|%d|%d|%s|",
 774                 SERVER_TYPE,0,REV_LEVEL,
 775                 (server_is_local ? "local" : CITADEL));
 776         locate_host(&buf[strlen(buf)]); /* append to the end */
 777         serv_puts(buf);
 778         serv_gets(buf); /* we don't care about the result code */
 779         }
 780
 781
 782
 783
 784
 785 /*
 786  * Display list of users currently logged on to the server
 787  */
 788 void who_is_online(int longlist)
 789 {
 790         char buf[128], username[128], roomname[128], fromhost[128], flags[128];
 791         char tbuf[128], timestr[128], idlebuf[128], clientsoft[128];
 792         time_t timenow=0;
 793         time_t idletime, idlehours, idlemins, idlesecs;
 794
 795         if (longlist)
 796         {
 797            serv_puts("TIME");
 798            serv_gets(tbuf);
 799            extract(timestr, tbuf, 1);
 800            timenow = atol(timestr);
 801         }
 802         else {
 803         printf("FLG ###        User Name                 Room                 From host\n");
 804         printf("--- --- ------------------------- -------------------- ------------------------\n");
 805                 }
 806         serv_puts("RWHO");
 807         serv_gets(buf);
 808         if (buf[0]=='1')
 809         {
 810                 while(serv_gets(buf), strcmp(buf,"000"))
 811                 {
 812                         extract(username,buf,1);
 813                         extract(roomname,buf,2);
 814                         extract(fromhost,buf,3);
 815                         extract(clientsoft, buf, 4);
 816                         extract(idlebuf, buf,5);
 817                         extract(flags,buf,7);
 818
 819                         if (longlist) {
 820                                 idletime = timenow - atol(idlebuf);
 821                                 idlehours = idletime / 3600;
 822                                 idlemins = (idletime - (idlehours*3600)) / 60;
 823                                 idlesecs = (idletime - (idlehours*3600) - (idlemins*60) );
 824                                 printf("\nFlags: %-3s  Session: %-3d  Name: %-25s  Room: %s\n",
 825                                         flags, extract_int(buf,0), username, roomname);
 826                                 printf("from <%s> using <%s>, idle %ld:%02ld:%02ld\n",
 827                                         fromhost, clientsoft,
 828                                         idlehours, idlemins, idlesecs);
 829
 830                                 }
 831                         else {
 832                         printf("%-3s %-3d %-25s %-20s %-24s\n",
 833                                 flags, extract_int(buf,0), username,
 834                                 roomname, fromhost);
 835                                 }
 836                         }
 837                 }
 838         }
 839
 840 void enternew(char *desc, char *buf, int maxlen)
 841 {
 842    char bbb[128];
 843    sprintf(bbb, "Enter in your new %s: ", desc);
 844    newprompt(bbb, buf, maxlen);
 845 }
 846
 847 /*
 848  * main
 849  */
 850 void main(argc,argv)
 851 int argc;
 852 char *argv[]; {
 853 int a,b,mcmd;
 854 int termn8 = 0;
 855 char aaa[100],bbb[100],ccc[100],eee[100];       /* general purpose variables */
 856 char argbuf[32];                                /* command line buf */
 857
 858
 859 load_command_set();             /* parse the citadel.rc file */
 860 sttybbs(SB_SAVE);               /* Store the old terminal parameters */
 861 sttybbs(SB_NO_INTR);            /* Install the new ones */
 862 signal(SIGINT,SIG_IGN);
 863 signal(SIGQUIT,SIG_IGN);
 864 signal(SIGHUP,dropcarr);        /* Cleanup gracefully if carrier is dropped */
 865 signal(SIGTERM,dropcarr);       /* Cleanup gracefully if terminated */
 866
 867 send_ansi_detect();
 868 printf("Attaching to server...\r");
 869 fflush(stdout);
 870 attach_to_server(argc,argv);
 871
 872 cls();
 873 color(7);
 874 serv_gets(aaa);
 875 if (aaa[0]!='2') {
 876         printf("%s\n",&aaa[4]);
 877         logoff(atoi(aaa));
 878         }
 879 get_serv_info();
 880
 881 printf("%-22s\n%s\n%s\n",serv_info.serv_software,serv_info.serv_humannode,
 882         serv_info.serv_bbs_city);
 883 screenwidth = 80;               /* default screen dimensions */
 884 screenheight = 24;
 885
 886 printf(" pause    next    stop\n");
 887 printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
 888 formout("hello");               /* print the opening greeting */
 889 printf("\n");
 890
 891         /* if we're not the login shell, try auto-login */
 892 if (getppid()!=1) {
 893         serv_puts("AUTO");
 894         serv_gets(aaa);
 895         if (aaa[0]=='2') {
 896                 load_user_info(&aaa[4]);
 897                 goto PWOK;
 898                 }
 899         }
 900
 901 look_for_ansi();
 902
 903 GSTA:   termn8=0; newnow=0;
 904         do {
 905                 if (strlen(rc_username) > 0) {
 906                         strcpy(fullname,rc_username);
 907                         }
 908                 else {
 909                         newprompt("Enter your name: ",fullname,29);
 910                         }
 911                 strproc(fullname);
 912                 if (!strucmp(fullname,"new")) {         /* just in case */
 913                    printf("Please enter the name you wish to log in with.\n");
 914                    }
 915                 } while(
 916                         (!strucmp(fullname,"bbs"))
 917                         || (!strucmp(fullname,"new"))
 918                         || (strlen(fullname)==0) );
 919
 920         if (!strucmp(fullname,"off")) {
 921                 mcmd=29;
 922                 goto TERMN8;
 923                 }
 924
 925         /* sign on to the server */
 926         sprintf(aaa,"USER %s",fullname);
 927         serv_puts(aaa);
 928         serv_gets(aaa);
 929         if (aaa[0]!='3') goto NEWUSR;
 930
 931         /* password authentication */
 932         if (strlen(rc_password)>0) {
 933                 strcpy(eee,rc_password);
 934                 }
 935         else {
 936                 newprompt("\rPlease enter your password: ",eee,-19);
 937                 }
 938         strproc(eee);
 939         sprintf(aaa,"PASS %s",eee);
 940         serv_puts(aaa);
 941         serv_gets(aaa);
 942         if (aaa[0]=='2') {
 943                 load_user_info(&aaa[4]);
 944                 goto PWOK;
 945                 }
 946
 947         printf("<< wrong password >>\n");
 948         if (strlen(rc_password)>0) logoff(0);
 949         goto GSTA;
 950
 951 NEWUSR: if (strlen(rc_password)==0) {
 952                 printf("No record. Enter as new user? ");
 953                 if (yesno()==0) goto GSTA;
 954                 }
 955
 956         sprintf(aaa,"NEWU %s",fullname);
 957         serv_puts(aaa);
 958         serv_gets(aaa);
 959         if (aaa[0]!='2') {
 960                 printf("%s\n",aaa);
 961                 goto GSTA;
 962                 }
 963         load_user_info(&aaa[4]);
 964
 965         while (set_password() != 0) ;;
 966         newnow=1;
 967
 968         enter_config(1);
 969
 970
 971 PWOK:   printf("%s\nAccess level: %d (%s)\nUser #%ld / Call #%d\n",
 972                 fullname,axlevel,axdefs[(int)axlevel],
 973                 usernum,timescalled);
 974
 975         serv_puts("CHEK");
 976         serv_gets(aaa);
 977         if (aaa[0]=='2') {
 978                 b = extract_int(&aaa[4],0);
 979                 if (b==1) printf("*** You have a new private message in Mail>\n");
 980                 if (b>1)  printf("*** You have %d new private messages in Mail>\n",b);
 981
 982                 if ((axlevel>=6) && (extract_int(&aaa[4],2)>0)) {
 983                         printf("*** Users need validation\n");
 984                         }
 985
 986                 if (extract_int(&aaa[4],1)>0) {
 987                         printf("*** Please register.\n");
 988                         formout("register");
 989                         entregis();
 990                         }
 991                 }
 992
 993         /* Make up some temporary filenames for use in various parts of the
 994          * program.  Don't mess with these once they've been set, because we
 995          * will be unlinking them later on in the program and we don't
 996          * want to delete something that we didn't create. */
 997         sprintf(temp,"/tmp/citA%d",getpid());
 998         sprintf(temp2,"/tmp/citB%d",getpid());
 999         sprintf(tempdir,"/tmp/citC%d",getpid());
1000
1001         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1002          * we try to get the user's actual screen dimensions off the server.
1003          * However, if we're running on an xterm, all this stuff is
1004          * irrelevant because we're going to dynamically size the screen
1005          * during the session.
1006          */
1007         screenwidth = 80;
1008         screenheight = 24;
1009         serv_puts("GETU");
1010         serv_gets(aaa);
1011         if (aaa[0]=='2') {
1012                 screenwidth = extract_int(&aaa[4],0);
1013                 screenheight = extract_int(&aaa[4],1);
1014                 }
1015         if (getenv("TERM")!=NULL) if (!strcmp(getenv("TERM"),"xterm")) {
1016                 have_xterm = 1;
1017                 }
1018 #ifdef TIOCGWINSZ
1019         check_screen_dims();
1020 #endif
1021
1022         set_floor_mode();
1023
1024
1025         /* Enter the lobby */
1026         dotgoto("_BASEROOM_",1);
1027
1028 /* Main loop for the system... user is logged in. */
1029         strcpy(ugname,"");
1030         uglsn = 0L;
1031
1032         if (newnow==1)  readmsgs(3,1,5);
1033                 else    readmsgs(1,1,0);
1034
1035 do {    /* MAIN LOOP OF PROGRAM */
1036         signal(SIGINT,SIG_IGN);
1037         signal(SIGQUIT,SIG_IGN);
1038         mcmd=getcmd(argbuf);
1039
1040 #ifdef TIOCGWINSZ
1041         check_screen_dims();
1042 #endif
1043
1044         if (termn8==0) switch(mcmd) {
1045            case 1:      formout("help");
1046                         break;
1047            case 4:      entmsg(0,0);
1048                         break;
1049            case 36:     entmsg(0,1);
1050                         break;
1051            case 46:     entmsg(0,2);
1052                         break;
1053            case 78:     newprompt("What do you want your username to be? ", aaa, 32);
1054                         sprintf(bbb, "ENT0 2|0|0|0|%s", aaa);
1055                         serv_puts(bbb);
1056                         serv_gets(aaa);
1057                         if (strncmp("200", aaa, 3))
1058                            printf("\n%s\n", aaa);
1059                         else
1060                            entmsg(0, 0);
1061                         break;
1062            case 5:      updatels();
1063                         gotonext();
1064                         break;
1065            case 47:     updatelsa();
1066                         gotonext();
1067                         break;
1068            case 58:     updatelsa();
1069                         dotgoto("_MAIL_",1);
1070                         break;
1071            case 20:     updatels();
1072            case 52:     dotgoto(argbuf,0);
1073                         break;
1074            case 10:     readmsgs(0,1,0);
1075                         break;
1076            case 9:      readmsgs(3,1,5);
1077                         break;
1078            case 13:     readmsgs(1,1,0);
1079                         break;
1080            case 11:     readmsgs(0,(-1),0);
1081                         break;
1082            case 12:     readmsgs(2,(-1),0);
1083                         break;
1084            case 71:     readmsgs(3, 1, atoi(argbuf));
1085                         break;
1086            case 7:      forget();       break;
1087            case 18:     subshell();     break;
1088            case 38:     updatels();
1089                         entroom();      break;
1090            case 22:     killroom();     break;
1091            case 32:     userlist();     break;
1092            case 27:     invite();       break;
1093            case 28:     kickout();      break;
1094            case 23:     editthisroom(); break;
1095            case 14:     roomdir();      break;
1096            case 33:     download(0);    break;
1097            case 34:     download(1);    break;
1098            case 31:     download(2);    break;
1099            case 43:     download(3);    break;
1100            case 45:     download(4);    break;
1101            case 55:     download(5);    break;
1102            case 39:     upload(0);      break;
1103            case 40:     upload(1);      break;
1104            case 42:     upload(2);      break;
1105            case 44:     upload(3);      break;
1106            case 57:     cli_upload();   break;
1107            case 16:     ungoto();       break;
1108            case 24:     whoknows();     break;
1109            case 26:     validate();     break;
1110            case 29:     updatels();
1111                         termn8=1;
1112                         break;
1113            case 30:     updatels();
1114                         termn8=1;
1115                         break;
1116            case 48:     enterinfo();
1117                         break;
1118            case 49:     readinfo();
1119                         break;
1120            case 72:     cli_image_upload("_userpic_");
1121                         break;
1122            case 73:     cli_image_upload("_roompic_");
1123                         break;
1124
1125 case 74:
1126         sprintf(aaa, "_floorpic_|%d", curr_floor);
1127         cli_image_upload(aaa);
1128         break;
1129
1130 case 75:
1131         enternew("roomname", aaa, 20);
1132         sprintf(bbb, "RCHG %s", aaa);
1133         serv_puts(bbb);
1134         serv_gets(aaa);
1135         if (strncmp("200",aaa, 3))
1136            printf("\n%s\n", aaa);
1137         break;
1138 case 76:
1139         enternew("hostname", aaa, 25);
1140         sprintf(bbb, "HCHG %s", aaa);
1141         serv_puts(bbb);
1142         serv_gets(aaa);
1143         if (strncmp("200",aaa, 3))
1144            printf("\n%s\n", aaa);
1145         break;
1146 case 77:
1147         enternew("username", aaa, 32);
1148         sprintf(bbb, "UCHG %s", aaa);
1149         serv_puts(bbb);
1150         serv_gets(aaa);
1151         if (strncmp("200",aaa, 3))
1152            printf("\n%s\n", aaa);
1153         break;
1154
1155 case 35:
1156         set_password();
1157         break;
1158
1159 case 21:
1160         if (argbuf[0]==0) strcpy(aaa,"?");
1161         display_help(argbuf);
1162         break;
1163
1164 case 41:
1165         formout("register");
1166         entregis();
1167         break;
1168
1169 case 15:
1170         printf("Are you sure (y/n)? ");
1171         if (yesno()==1) {
1172                 updatels();
1173                 a=0;
1174                 termn8=1;
1175                 }
1176         break;
1177
1178 case 6:
1179         gotonext();
1180         break;
1181
1182 case 3: chatmode();
1183         break;
1184
1185 case 2: if (server_is_local) {
1186                 sttybbs(SB_RESTORE);
1187 sprintf(aaa,"USERNAME=\042%s\042; export USERNAME; exec ./subsystem %ld %d %d",
1188                         fullname,
1189                         usernum,screenwidth,axlevel);
1190                 ka_system(aaa);
1191                 sttybbs(SB_NO_INTR);
1192                 }
1193         else {
1194                 printf("*** Can't run doors when server is not local.\n");
1195                 }
1196         break;
1197
1198 case 17:
1199         who_is_online(0);
1200         break;
1201
1202 case 79:
1203         who_is_online(1);
1204         break;
1205
1206 case 50:
1207         enter_config(2);
1208         break;
1209
1210 case 37:
1211         enter_config(0);
1212         set_floor_mode();
1213         break;
1214
1215 case 59:
1216         enter_config(3);
1217         set_floor_mode();
1218         break;
1219
1220 case 60:
1221         gotofloor(argbuf,GF_GOTO);
1222         break;
1223
1224 case 61:
1225         gotofloor(argbuf,GF_SKIP);
1226         break;
1227
1228 case 62:
1229         forget_this_floor();
1230         break;
1231
1232 case 63:
1233         create_floor();
1234         break;
1235
1236 case 64:
1237         edit_floor();
1238         break;
1239
1240 case 65:
1241         kill_floor();
1242         break;
1243
1244 case 66:
1245         enter_bio();
1246         break;
1247
1248 case 67:
1249         read_bio();
1250         break;
1251
1252 case 25:
1253         edituser();
1254         break;
1255
1256 case 8:
1257         knrooms(floor_mode);
1258         printf("\n");
1259         break;
1260
1261 case 68:
1262         knrooms(2);
1263         printf("\n");
1264         break;
1265
1266 case 69:
1267         misc_server_cmd(argbuf);
1268         break;
1269
1270 case 70:
1271         edit_system_message(argbuf);
1272         break;
1273
1274 case 19:
1275         listzrooms();
1276         printf("\n");
1277         break;
1278
1279 case 51:
1280         deletefile();
1281         break;
1282
1283 case 53:
1284         netsendfile();
1285         break;
1286
1287 case 54:
1288         movefile();
1289         break;
1290
1291 case 56:
1292         if (last_paged[0])
1293            sprintf(bbb, "Page who [%s]? ", last_paged);
1294         else
1295            sprintf(bbb, "Page who? ");
1296         newprompt(bbb,aaa,30);
1297         if (!aaa[0])
1298            strcpy(aaa, last_paged);
1299         strproc(aaa);
1300         newprompt("Message:  ",bbb,69);
1301         sprintf(ccc,"SEXP %s|%s",aaa,bbb);
1302         serv_puts(ccc);
1303         serv_gets(ccc);
1304         if (!strncmp("200", ccc, 3))
1305            strcpy(last_paged, aaa);
1306         printf("%s\n",&ccc[4]);
1307         break;
1308
1309         } /* end switch */
1310     } while(termn8==0);
1311
1312 TERMN8: printf("%s logged out.\n",fullname);
1313         while (march!=NULL) remove_march(march->march_name,0);
1314         if (mcmd==30)
1315                 printf("\n\nType 'off' to hang up, or next user...\n");
1316         sprintf(aaa,"LOUT");
1317         serv_puts(aaa);
1318         serv_gets(aaa);
1319         if ((mcmd==29)||(mcmd==15)) {
1320                 formout("goodbye");
1321                 logoff(0);
1322                 }
1323         goto GSTA;
1324
1325 } /* end main() */
1326