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 serv_info 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  * get info about the server we've connected to
 268  */
 269 void get_serv_info() {
 270         char buf[256];
 271         int a;
 272
 273         /* fetch info */
 274         serv_puts("INFO");
 275         serv_gets(buf);
 276         if (buf[0]!='1') return;
 277
 278         a = 0;
 279         while(serv_gets(buf), strcmp(buf,"000")) {
 280             switch(a) {
 281                 case 0:         serv_info.serv_pid = atoi(buf);
 282                                 break;
 283                 case 1:         strcpy(serv_info.serv_nodename,buf);
 284                                 break;
 285                 case 2:         strcpy(serv_info.serv_humannode,buf);
 286                                 break;
 287                 case 3:         strcpy(serv_info.serv_fqdn,buf);
 288                                 break;
 289                 case 4:         strcpy(serv_info.serv_software,buf);
 290                                 break;
 291                 case 5:         serv_info.serv_rev_level = atoi(buf);
 292                                 break;
 293                 case 6:         strcpy(serv_info.serv_bbs_city,buf);
 294                                 break;
 295                 case 7:         strcpy(serv_info.serv_sysadm,buf);
 296                                 break;
 297                 case 9:         strcpy(serv_info.serv_moreprompt,buf);
 298                                 break;
 299                 case 10:        serv_info.serv_ok_floors = atoi(buf);
 300                                 break;
 301                 }
 302             ++a;
 303             }
 304
 305         /* be nice and identify ourself to the server */
 306         sprintf(buf,"IDEN %d|%d|%d|%s%s|",
 307                 SERVER_TYPE,0,REV_LEVEL,CITADEL,
 308                 (server_is_local ? "(local)" : ""));
 309         locate_host(&buf[strlen(buf)]); /* append to the end */
 310         serv_puts(buf);
 311         serv_gets(buf); /* we don't care about the result code */
 312
 313         }
 314
 315 /*
 316  * grab assorted info about the user...
 317  */
 318 void load_user_info(params)
 319 char *params; {
 320         extract(fullname,params,0);
 321         axlevel = extract_int(params,1);
 322         timescalled = extract_int(params,2);
 323         posted = extract_int(params,3);
 324         userflags = extract_int(params,4);
 325         usernum = extract_long(params,5);
 326         }
 327
 328
 329 /*
 330  * Remove a room from the march list.  'floornum' is ignored unless
 331  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 332  * floor will be removed from the march list.
 333  */
 334 void remove_march(roomname,floornum)
 335 char *roomname;
 336 int floornum; {
 337         struct march *mptr,*mptr2;
 338
 339         if (march==NULL) return;
 340
 341         if ( (!strucmp(march->march_name,roomname))
 342          || ((!strucmp(roomname,"_FLOOR_"))&&(march->march_floor==floornum))) {
 343                 mptr = march->next;
 344                 free(march);
 345                 march = mptr;
 346                 return;
 347                 }
 348
 349         mptr2 = march;
 350         for (mptr=march; mptr!=NULL; mptr=mptr->next) {
 351
 352                 if ( (!strucmp(mptr->march_name,roomname))
 353                    || ((!strucmp(roomname,"_FLOOR_"))
 354                         &&(mptr->march_floor==floornum))) {
 355
 356                         mptr2->next = mptr->next;
 357                         free(mptr);
 358                         mptr=mptr2;
 359                         }
 360                 else {
 361                         mptr2=mptr;
 362                         }
 363                 }
 364         }
 365
 366 /*
 367  * sort the march list by floor
 368  */
 369 void sort_march_list() {
 370         struct march *mlist[129];
 371         struct march *mptr = NULL;
 372         int a;
 373
 374         if (march == NULL) return;
 375
 376         for (a=0; a<129; ++a) mlist[a] = NULL;
 377
 378         /* first, create 128 separate lists for each floor. */
 379         while (march != NULL) {
 380
 381                 a = (int)(march->march_floor);
 382
 383                 /* assign an illegal floor number of 128 to _BASEROOM_
 384                  * in order to force it to show up last */
 385                 if (!strucmp(march->march_name,"_BASEROOM_")) a = 128;
 386
 387                 mptr = march;
 388                 march = march->next;
 389                 mptr->next = mlist[a];
 390                 mlist[a] = mptr;
 391                 }
 392
 393         /* now merge the lists, in order, into one big list,
 394          * except the current floor
 395          */
 396         for (a=128; a>=0; --a) if (a != curr_floor) {
 397                 while (mlist[a] != NULL) {
 398                         mptr = mlist[a];
 399                         mlist[a] = mlist[a]->next;
 400                         mptr->next = march;
 401                         march = mptr;
 402                         }
 403                 }
 404
 405         /* now merge in rooms from the current floor */
 406         while (mlist[(int)curr_floor] != NULL) {
 407                 mptr = mlist[(int)curr_floor];
 408                 mlist[(int)curr_floor] = mlist[(int)curr_floor]->next;
 409                 mptr->next = march;
 410                 march = mptr;
 411                 }
 412
 413         }
 414
 415
 416
 417 /*
 418  * jump directly to a room
 419  */
 420 void dotgoto(towhere,display_name)
 421 char *towhere;
 422 int display_name; {
 423         char aaa[256],bbb[256],psearch[256];
 424         static long ls = 0L;
 425         int newmailcount;
 426         static int oldmailcount = (-1);
 427         int partial_match,best_match;
 428         char from_floor;
 429
 430         /* store ungoto information */
 431         strcpy(ugname,room_name);
 432         uglsn = ls;
 433
 434         /* first try an exact match */
 435         sprintf(aaa,"GOTO %s",towhere);
 436         serv_puts(aaa);
 437         serv_gets(aaa);
 438         if (aaa[3]=='*') express_msgs = 1;
 439         if (!strncmp(aaa,"54",2)) {
 440                 newprompt("Enter room password: ",bbb,9);
 441                 sprintf(aaa,"GOTO %s|%s",towhere,bbb);
 442                 serv_puts(aaa);
 443                 serv_gets(aaa);
 444                 if (aaa[3]=='*') express_msgs = 1;
 445                 }
 446         if (!strncmp(aaa,"54",2)) {
 447                 printf("Wrong password.\n");
 448                 return;
 449                 }
 450
 451
 452         /*
 453          * If a match is not found, try a partial match.
 454          * Partial matches anywhere in the string carry a weight of 1,
 455          * left-aligned matches carry a weight of 2.  Pick the room that
 456          * has the highest-weighted match.
 457          */
 458         if (aaa[0]!='2') {
 459                 best_match = 0;
 460                 strcpy(bbb,"");
 461                 serv_puts("LKRA");
 462                 serv_gets(aaa);
 463                 if (aaa[0]=='1') while (serv_gets(aaa), strcmp(aaa,"000")) {
 464                         extract(psearch,aaa,0);
 465                         partial_match = 0;
 466                         if (pattern(psearch,towhere)>=0) {
 467                                 partial_match = 1;
 468                                 }
 469                         if (!struncmp(towhere,psearch,strlen(towhere))) {
 470                                 partial_match = 2;
 471                                 }
 472                         if (partial_match > best_match) {
 473                                 strcpy(bbb,psearch);
 474                                 best_match = partial_match;
 475                                 }
 476                         }
 477                 if (strlen(bbb)==0) {
 478                         printf("No room '%s'.\n",towhere);
 479                         return;
 480                         }
 481                 sprintf(aaa,"GOTO %s",bbb);
 482                 serv_puts(aaa);
 483                 serv_gets(aaa);
 484                 if (aaa[3]=='*') express_msgs = 1;
 485                 }
 486
 487         if (aaa[0]!='2') {
 488                 printf("%s\n",aaa);
 489                 return;
 490                 }
 491
 492         extract(room_name,&aaa[4],0);
 493         room_flags = extract_int(&aaa[4],4);
 494         from_floor = curr_floor;
 495         curr_floor = extract_int(&aaa[4],10);
 496
 497         remove_march(room_name,0);
 498         if (!strucmp(towhere,"_BASEROOM_")) remove_march(towhere,0);
 499         if ((from_floor!=curr_floor) && (display_name>0) && (floor_mode==1)) {
 500                 if (floorlist[(int)curr_floor][0]==0) load_floorlist();
 501                 printf("(Entering floor: %s)\n",&floorlist[(int)curr_floor][0]);
 502                 }
 503         if (display_name == 1) printf("%s - ",room_name);
 504         if (display_name != 2) printf("%d new of %d messages.\n",
 505                 extract_int(&aaa[4],1),
 506                 extract_int(&aaa[4],2));
 507         highest_msg_read = extract_int(&aaa[4],6);
 508         maxmsgnum = extract_int(&aaa[4],5);
 509         is_mail = (char) extract_int(&aaa[4],7);
 510         is_room_aide = (char) extract_int(&aaa[4],8);
 511         ls = extract_long(&aaa[4],6);
 512
 513         /* read info file if necessary */
 514         if (extract_int(&aaa[4],3) > 0) readinfo();
 515
 516         /* check for newly arrived mail if we can */
 517         if (num_parms(&aaa[4])>=10) {
 518                 newmailcount = extract_int(&aaa[4],9);
 519                 if ( (oldmailcount >= 0) && (newmailcount > oldmailcount) )
 520                         printf("*** You have new mail\n");
 521                 oldmailcount = newmailcount;
 522                 }
 523         }
 524
 525 /* Goto next room having unread messages.
 526  * We want to skip over rooms that the user has already been to, and take the
 527  * user back to the lobby when done.  The room we end up in is placed in
 528  * newroom - which is set to 0 (the lobby) initially.
 529  * We start the search in the current room rather than the beginning to prevent
 530  * two or more concurrent users from dragging each other back to the same room.
 531  */
 532 void gotonext() {
 533         char buf[256];
 534         struct march *mptr,*mptr2;
 535         char next_room[32];
 536
 537         /* First check to see if the march-mode list is already allocated.
 538          * If it is, pop the first room off the list and go there.
 539          */
 540
 541         if (march==NULL) {
 542                 serv_puts("LKRN");
 543                 serv_gets(buf);
 544                 if (buf[0]=='1')
 545                     while (serv_gets(buf), strcmp(buf,"000")) {
 546                         mptr = (struct march *) malloc(sizeof(struct march));
 547                         mptr->next = NULL;
 548                         extract(mptr->march_name,buf,0);
 549                         mptr->march_floor = (char) (extract_int(buf,2) & 0x7F);
 550                         if (march==NULL) {
 551                                 march = mptr;
 552                                 }
 553                         else {
 554                                 mptr2 = march;
 555                                 while (mptr2->next != NULL)
 556                                         mptr2 = mptr2->next;
 557                                 mptr2->next = mptr;
 558                                 }
 559                         }
 560
 561 /* add _BASEROOM_ to the end of the march list, so the user will end up
 562  * in the system base room (usually the Lobby>) at the end of the loop
 563  */
 564                 mptr = (struct march *) malloc(sizeof(struct march));
 565                 mptr->next = NULL;
 566                 strcpy(mptr->march_name,"_BASEROOM_");
 567                 if (march==NULL) {
 568                         march = mptr;
 569                         }
 570                 else {
 571                         mptr2 = march;
 572                         while (mptr2->next != NULL)
 573                                 mptr2 = mptr2->next;
 574                         mptr2->next = mptr;
 575                         }
 576 /*
 577  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 578  * walk around in circles
 579  */
 580                 remove_march(room_name,0);
 581                 }
 582
 583         sort_march_list();
 584
 585         if (march!=NULL) {
 586                 strcpy(next_room,march->march_name);
 587                 }
 588         else {
 589                 strcpy(next_room,"_BASEROOM_");
 590                 }
 591         remove_march(next_room,0);
 592         dotgoto(next_room,1);
 593    }
 594
 595 /*
 596  * forget all rooms on a given floor
 597  */
 598 void forget_all_rooms_on(ffloor)
 599 int ffloor; {
 600         char buf[256];
 601         struct march *flist,*fptr;
 602
 603         printf("Forgetting all rooms on %s...\r",&floorlist[ffloor][0]);
 604         fflush(stdout);
 605         sprintf(buf,"LKRA %d",ffloor);
 606         serv_puts(buf);
 607         serv_gets(buf);
 608         if (buf[0]!='1') {
 609                 printf("%-72s\n",&buf[4]);
 610                 return;
 611                 }
 612         flist = NULL;
 613         while (serv_gets(buf), strcmp(buf,"000")) {
 614                 fptr = (struct march *) malloc(sizeof(struct march));
 615                 fptr->next = flist;
 616                 flist = fptr;
 617                 extract(fptr->march_name,buf,0);
 618                 }
 619         while (flist != NULL) {
 620                 sprintf(buf,"GOTO %s",flist->march_name);
 621                 serv_puts(buf);
 622                 serv_gets(buf);
 623                 if (buf[0]=='2') {
 624                         serv_puts("FORG");
 625                         serv_gets(buf);
 626                         }
 627                 fptr = flist;
 628                 flist = flist->next;
 629                 free(fptr);
 630                 }
 631         printf("%-72s\r","");
 632         }
 633
 634
 635 /*
 636  * routine called by gotofloor() to move to a new room on a new floor
 637  */
 638 void gf_toroom(towhere,mode)
 639 char *towhere;
 640 int mode; {
 641         int floor_being_left;
 642
 643         floor_being_left = curr_floor;
 644
 645         if (mode == GF_GOTO) {          /* <;G>oto mode */
 646                 updatels();
 647                 dotgoto(towhere,1);
 648                 }
 649
 650         if (mode == GF_SKIP) {          /* <;S>kip mode */
 651                 dotgoto(towhere,1);
 652                 remove_march("_FLOOR_",floor_being_left);
 653                 }
 654
 655         if (mode == GF_ZAP) {           /* <;Z>ap mode */
 656                 dotgoto(towhere,1);
 657                 remove_march("_FLOOR_",floor_being_left);
 658                 forget_all_rooms_on(floor_being_left);
 659                 }
 660         }
 661
 662
 663 /*
 664  * go to a new floor
 665  */
 666 void gotofloor(towhere,mode)
 667 char *towhere;
 668 int mode; {
 669         int a,tofloor;
 670         struct march *mptr;
 671         char buf[256],targ[256];
 672
 673         if (floorlist[0][0]==0) load_floorlist();
 674         tofloor = (-1);
 675         for (a=0; a<128; ++a) if (!strucmp(&floorlist[a][0],towhere))
 676                 tofloor = a;
 677
 678         if (tofloor<0) {
 679                 for (a=0; a<128; ++a) {
 680                     if (!struncmp(&floorlist[a][0],towhere,strlen(towhere))) {
 681                         tofloor = a;
 682                         }
 683                     }
 684                 }
 685
 686         if (tofloor<0) {
 687                 for (a=0; a<128; ++a)
 688                     if (pattern(towhere,&floorlist[a][0])>0)
 689                         tofloor = a;
 690                 }
 691
 692         if (tofloor<0) {
 693                 printf("No floor '%s'.\n",towhere);
 694                 return;
 695                 }
 696
 697         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 698                 if ((mptr->march_floor) == tofloor)
 699                         gf_toroom(mptr->march_name,mode);
 700                         return;
 701                 }
 702
 703         strcpy(targ,"");
 704         sprintf(buf,"LKRA %d",tofloor);
 705         serv_puts(buf);
 706         serv_gets(buf);
 707         if (buf[0]=='1') while (serv_gets(buf), strcmp(buf,"000")) {
 708                 if ((extract_int(buf,2)==tofloor)&&(strlen(targ)==0))
 709                          extract(targ,buf,0);
 710                 }
 711         if (strlen(targ)>0) {
 712                 gf_toroom(targ,mode);
 713                 }
 714         else {
 715                 printf("There are no rooms on '%s'.\n",&floorlist[tofloor][0]);
 716                 }
 717         }
 718
 719
 720 /*
 721  * forget all rooms on current floor
 722  */
 723 void forget_this_floor() {
 724
 725         if (curr_floor == 0) {
 726                 printf("Can't forget this floor.\n");
 727                 return;
 728                 }
 729
 730         if (floorlist[0][0]==0) load_floorlist();
 731         printf("Are you sure you want to forget all rooms on %s? ",
 732                 &floorlist[(int)curr_floor][0]);
 733         if (yesno()==0) return;
 734
 735         gf_toroom("_BASEROOM_",GF_ZAP);
 736         }
 737
 738
 739 /*
 740  * Figure out the physical screen dimensions, if we can
 741  */
 742 void check_screen_dims() {
 743 #ifdef TIOCGWINSZ
 744         struct {
 745                 unsigned short height;          /* rows */
 746                 unsigned short width;           /* columns */
 747                 unsigned short xpixels;
 748                 unsigned short ypixels;         /* pixels */
 749         } xwinsz;
 750
 751         if (have_xterm) {       /* dynamically size screen if on an xterm */
 752                 if ( ioctl(0, TIOCGWINSZ, &xwinsz) == 0 ) {
 753                         if (xwinsz.height) screenheight = (int) xwinsz.height;
 754                         if (xwinsz.width) screenwidth = (int) xwinsz.width;
 755                         }
 756                 }
 757 #endif
 758         }
 759
 760
 761 /*
 762  * set floor mode depending on client, server, and user settings
 763  */
 764 void set_floor_mode() {
 765         if (serv_info.serv_ok_floors == 0) {
 766                 floor_mode = 0;         /* Don't use floors if the server */
 767                 }                       /* doesn't support them!          */
 768         else {
 769                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 770                         floor_mode = 0;
 771                         }
 772                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 773                         floor_mode = 1;
 774                         }
 775                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 776                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 777                         }
 778                 }
 779         }
 780
 781 /*
 782  * Set or change the user's password
 783  */
 784 int set_password() {
 785         char pass1[20];
 786         char pass2[20];
 787         char buf[256];
 788
 789         if (strlen(rc_password) > 0) {
 790                 strcpy(pass1,rc_password);
 791                 strcpy(pass2,rc_password);
 792                 }
 793         else {
 794                 IFNEXPERT formout("changepw");
 795                 newprompt("Enter a new password: ", pass1, -19);
 796                 newprompt("Enter it again to confirm: ", pass2, -19);
 797                 }
 798         if (!strucmp(pass1,pass2)) {
 799                 sprintf(buf,"SETP %s",pass1);
 800                 serv_puts(buf);
 801                 serv_gets(buf);
 802                 printf("%s\n",&buf[4]);
 803                 return(0);
 804                 }
 805         else {
 806                 printf("*** They don't match... try again.\n");
 807                 return(1);
 808                 }
 809         }
 810
 811
 812 /*
 813  * Display list of users currently logged on to the server
 814  */
 815 void who_is_online(int longlist)
 816 {
 817         char buf[128], username[128], roomname[128], fromhost[128], flags[128];
 818         char tbuf[128], timestr[128], idlebuf[128];
 819         long timenow=0;
 820         long idletime;
 821
 822         printf("FLG ###        User Name                 Room                 From host\n");
 823         printf("--- --- ------------------------- -------------------- ------------------------\n");
 824         if (longlist)
 825         {
 826            serv_puts("TIME");
 827            serv_gets(tbuf);
 828            extract(timestr, tbuf, 1);
 829            timenow = atol(timestr);
 830         }
 831         serv_puts("RWHO");
 832         serv_gets(buf);
 833         if (buf[0]=='1')
 834         {
 835                 while(serv_gets(buf), strcmp(buf,"000"))
 836                 {
 837                         extract(username,buf,1);
 838                         extract(roomname,buf,2);
 839                         extract(fromhost,buf,3);
 840                         extract(idlebuf, buf,5);
 841                         extract(flags,buf,7);
 842                         printf("%-3s %-3d %-25s %-20s %-24s\n",
 843                                 flags, extract_int(buf,0), username,
 844                                 roomname, fromhost);
 845                         if (longlist)
 846                         {
 847                            idletime = atol(idlebuf);
 848                            printf("Idle time: %ld seconds\n", timenow-idletime);
 849                         }
 850                 }
 851         }
 852 }
 853
 854 void enternew(char *desc, char *buf, int maxlen)
 855 {
 856    char bbb[128];
 857    sprintf(bbb, "Enter in your new %s: ", desc);
 858    newprompt(bbb, buf, maxlen);
 859 }
 860
 861 /*
 862  * main
 863  */
 864 void main(argc,argv)
 865 int argc;
 866 char *argv[]; {
 867 int a,b,mcmd;
 868 int termn8 = 0;
 869 char aaa[100],bbb[100],ccc[100],eee[100];       /* general purpose variables */
 870 char argbuf[32];                                /* command line buf */
 871
 872
 873 load_command_set();             /* parse the citadel.rc file */
 874 sttybbs(SB_SAVE);               /* Store the old terminal parameters */
 875 sttybbs(SB_NO_INTR);            /* Install the new ones */
 876 signal(SIGINT,SIG_IGN);
 877 signal(SIGQUIT,SIG_IGN);
 878 signal(SIGHUP,dropcarr);        /* Cleanup gracefully if carrier is dropped */
 879 signal(SIGTERM,dropcarr);       /* Cleanup gracefully if terminated */
 880
 881 send_ansi_detect();
 882 printf("Attaching to server...\r");
 883 fflush(stdout);
 884 attach_to_server(argc,argv);
 885
 886 cls();
 887 color(7);
 888 serv_gets(aaa);
 889 if (aaa[0]!='2') {
 890         printf("%s\n",&aaa[4]);
 891         logoff(atoi(aaa));
 892         }
 893 get_serv_info();
 894
 895 printf("%-22s\n%s\n%s\n",serv_info.serv_software,serv_info.serv_humannode,
 896         serv_info.serv_bbs_city);
 897 screenwidth = 80;               /* default screen dimensions */
 898 screenheight = 24;
 899
 900 printf(" pause    next    stop\n");
 901 printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
 902 formout("hello");               /* print the opening greeting */
 903 printf("\n");
 904
 905         /* if we're not the login shell, try auto-login */
 906 if (getppid()!=1) {
 907         serv_puts("AUTO");
 908         serv_gets(aaa);
 909         if (aaa[0]=='2') {
 910                 load_user_info(&aaa[4]);
 911                 goto PWOK;
 912                 }
 913         }
 914
 915 look_for_ansi();
 916
 917 GSTA:   termn8=0; newnow=0;
 918         do {
 919                 if (strlen(rc_username) > 0) {
 920                         strcpy(fullname,rc_username);
 921                         }
 922                 else {
 923                         newprompt("Enter your name: ",fullname,29);
 924                         }
 925                 strproc(fullname);
 926                 if (!strucmp(fullname,"new")) {         /* just in case */
 927                    printf("Please enter the name you wish to log in with.\n");
 928                    }
 929                 } while(
 930                         (!strucmp(fullname,"bbs"))
 931                         || (!strucmp(fullname,"new"))
 932                         || (strlen(fullname)==0) );
 933
 934         if (!strucmp(fullname,"off")) {
 935                 mcmd=29;
 936                 goto TERMN8;
 937                 }
 938
 939         /* sign on to the server */
 940         sprintf(aaa,"USER %s",fullname);
 941         serv_puts(aaa);
 942         serv_gets(aaa);
 943         if (aaa[0]!='3') goto NEWUSR;
 944
 945         /* password authentication */
 946         if (strlen(rc_password)>0) {
 947                 strcpy(eee,rc_password);
 948                 }
 949         else {
 950                 newprompt("\rPlease enter your password: ",eee,-19);
 951                 }
 952         strproc(eee);
 953         sprintf(aaa,"PASS %s",eee);
 954         serv_puts(aaa);
 955         serv_gets(aaa);
 956         if (aaa[0]=='2') {
 957                 load_user_info(&aaa[4]);
 958                 goto PWOK;
 959                 }
 960
 961         printf("<< wrong password >>\n");
 962         if (strlen(rc_password)>0) logoff(0);
 963         goto GSTA;
 964
 965 NEWUSR: if (strlen(rc_password)==0) {
 966                 printf("No record. Enter as new user? ");
 967                 if (yesno()==0) goto GSTA;
 968                 }
 969
 970         sprintf(aaa,"NEWU %s",fullname);
 971         serv_puts(aaa);
 972         serv_gets(aaa);
 973         if (aaa[0]!='2') {
 974                 printf("%s\n",aaa);
 975                 goto GSTA;
 976                 }
 977         load_user_info(&aaa[4]);
 978
 979         while (set_password() != 0) ;;
 980         newnow=1;
 981
 982         enter_config(1);
 983
 984
 985 PWOK:   printf("%s\nAccess level: %d (%s)\nUser #%ld / Call #%d\n",
 986                 fullname,axlevel,axdefs[(int)axlevel],
 987                 usernum,timescalled);
 988
 989         serv_puts("CHEK");
 990         serv_gets(aaa);
 991         if (aaa[0]=='2') {
 992                 b = extract_int(&aaa[4],0);
 993                 if (b==1) printf("*** You have a new private message in Mail>\n");
 994                 if (b>1)  printf("*** You have %d new private messages in Mail>\n",b);
 995
 996                 if ((axlevel>=6) && (extract_int(&aaa[4],2)>0)) {
 997                         printf("*** Users need validation\n");
 998                         }
 999
1000                 if (extract_int(&aaa[4],1)>0) {
1001                         printf("*** Please register.\n");
1002                         formout("register");
1003                         entregis();
1004                         }
1005                 }
1006
1007         /* Make up some temporary filenames for use in various parts of the
1008          * program.  Don't mess with these once they've been set, because we
1009          * will be unlinking them later on in the program and we don't
1010          * want to delete something that we didn't create. */
1011         sprintf(temp,"/tmp/citA%d",getpid());
1012         sprintf(temp2,"/tmp/citB%d",getpid());
1013         sprintf(tempdir,"/tmp/citC%d",getpid());
1014
1015         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1016          * we try to get the user's actual screen dimensions off the server.
1017          * However, if we're running on an xterm, all this stuff is
1018          * irrelevant because we're going to dynamically size the screen
1019          * during the session.
1020          */
1021         screenwidth = 80;
1022         screenheight = 24;
1023         serv_puts("GETU");
1024         serv_gets(aaa);
1025         if (aaa[0]=='2') {
1026                 screenwidth = extract_int(&aaa[4],0);
1027                 screenheight = extract_int(&aaa[4],1);
1028                 }
1029         if (getenv("TERM")!=NULL) if (!strcmp(getenv("TERM"),"xterm")) {
1030                 have_xterm = 1;
1031                 }
1032 #ifdef TIOCGWINSZ
1033         check_screen_dims();
1034 #endif
1035
1036         set_floor_mode();
1037
1038
1039         /* Enter the lobby */
1040         dotgoto("_BASEROOM_",1);
1041
1042 /* Main loop for the system... user is logged in. */
1043         strcpy(ugname,"");
1044         uglsn = 0L;
1045
1046         if (newnow==1)  readmsgs(3,1,5);
1047                 else    readmsgs(1,1,0);
1048
1049 do {    /* MAIN LOOP OF PROGRAM */
1050         signal(SIGINT,SIG_IGN);
1051         signal(SIGQUIT,SIG_IGN);
1052         mcmd=getcmd(argbuf);
1053
1054 #ifdef TIOCGWINSZ
1055         check_screen_dims();
1056 #endif
1057
1058         if (termn8==0) switch(mcmd) {
1059            case 1:      formout("help");
1060                         break;
1061            case 4:      entmsg(0,0);
1062                         break;
1063            case 36:     entmsg(0,1);
1064                         break;
1065            case 46:     entmsg(0,2);
1066                         break;
1067            case 78:     newprompt("What do you want your username to be? ", aaa, 32);
1068                         sprintf(bbb, "ENT0 2|0|0|0|%s", aaa);
1069                         serv_puts(bbb);
1070                         serv_gets(aaa);
1071                         if (strncmp("200", aaa, 3))
1072                            printf("\n%s\n", aaa);
1073                         else
1074                            entmsg(0, 0);
1075                         break;
1076            case 5:      updatels();
1077                         gotonext();
1078                         break;
1079            case 47:     updatelsa();
1080                         gotonext();
1081                         break;
1082            case 58:     updatelsa();
1083                         dotgoto("_MAIL_",1);
1084                         break;
1085            case 20:     updatels();
1086            case 52:     dotgoto(argbuf,0);
1087                         break;
1088            case 10:     readmsgs(0,1,0);
1089                         break;
1090            case 9:      readmsgs(3,1,5);
1091                         break;
1092            case 13:     readmsgs(1,1,0);
1093                         break;
1094            case 11:     readmsgs(0,(-1),0);
1095                         break;
1096            case 12:     readmsgs(2,(-1),0);
1097                         break;
1098            case 71:     readmsgs(3, 1, atoi(argbuf));
1099                         break;
1100            case 7:      forget();       break;
1101            case 18:     subshell();     break;
1102            case 38:     updatels();
1103                         entroom();      break;
1104            case 22:     killroom();     break;
1105            case 32:     userlist();     break;
1106            case 27:     invite();       break;
1107            case 28:     kickout();      break;
1108            case 23:     editthisroom(); break;
1109            case 14:     roomdir();      break;
1110            case 33:     download(0);    break;
1111            case 34:     download(1);    break;
1112            case 31:     download(2);    break;
1113            case 43:     download(3);    break;
1114            case 45:     download(4);    break;
1115            case 55:     download(5);    break;
1116            case 39:     upload(0);      break;
1117            case 40:     upload(1);      break;
1118            case 42:     upload(2);      break;
1119            case 44:     upload(3);      break;
1120            case 57:     cli_upload();   break;
1121            case 16:     ungoto();       break;
1122            case 24:     whoknows();     break;
1123            case 26:     validate();     break;
1124            case 29:     updatels();
1125                         termn8=1;
1126                         break;
1127            case 30:     updatels();
1128                         termn8=1;
1129                         break;
1130            case 48:     enterinfo();
1131                         break;
1132            case 49:     readinfo();
1133                         break;
1134            case 72:     cli_image_upload("_userpic_");
1135                         break;
1136            case 73:     cli_image_upload("_roompic_");
1137                         break;
1138
1139 case 74:
1140         sprintf(aaa, "_floorpic_|%d", curr_floor);
1141         cli_image_upload(aaa);
1142         break;
1143
1144 case 75:
1145         enternew("roomname", aaa, 20);
1146         sprintf(bbb, "RCHG %s", aaa);
1147         serv_puts(bbb);
1148         serv_gets(aaa);
1149         if (strncmp("200",aaa, 3))
1150            printf("\n%s\n", aaa);
1151         break;
1152 case 76:
1153         enternew("hostname", aaa, 25);
1154         sprintf(bbb, "HCHG %s", aaa);
1155         serv_puts(bbb);
1156         serv_gets(aaa);
1157         if (strncmp("200",aaa, 3))
1158            printf("\n%s\n", aaa);
1159         break;
1160 case 77:
1161         enternew("username", aaa, 32);
1162         sprintf(bbb, "UCHG %s", aaa);
1163         serv_puts(bbb);
1164         serv_gets(aaa);
1165         if (strncmp("200",aaa, 3))
1166            printf("\n%s\n", aaa);
1167         break;
1168
1169 case 35:
1170         set_password();
1171         break;
1172
1173 case 21:
1174         if (argbuf[0]==0) strcpy(aaa,"?");
1175         display_help(argbuf);
1176         break;
1177
1178 case 41:
1179         formout("register");
1180         entregis();
1181         break;
1182
1183 case 15:
1184         printf("Are you sure (y/n)? ");
1185         if (yesno()==1) {
1186                 updatels();
1187                 a=0;
1188                 termn8=1;
1189                 }
1190         break;
1191
1192 case 6:
1193         gotonext();
1194         break;
1195
1196 case 3: chatmode();
1197         break;
1198
1199 case 2: if (server_is_local) {
1200                 sttybbs(SB_RESTORE);
1201 sprintf(aaa,"USERNAME=\042%s\042; export USERNAME; exec ./subsystem %ld %d %d",
1202                         fullname,
1203                         usernum,screenwidth,axlevel);
1204                 ka_system(aaa);
1205                 sttybbs(SB_NO_INTR);
1206                 }
1207         else {
1208                 printf("*** Can't run doors when server is not local.\n");
1209                 }
1210         break;
1211
1212 case 17:
1213         who_is_online(0);
1214         break;
1215
1216 case 79:
1217         who_is_online(1);
1218         break;
1219
1220 case 50:
1221         enter_config(2);
1222         break;
1223
1224 case 37:
1225         enter_config(0);
1226         set_floor_mode();
1227         break;
1228
1229 case 59:
1230         enter_config(3);
1231         set_floor_mode();
1232         break;
1233
1234 case 60:
1235         gotofloor(argbuf,GF_GOTO);
1236         break;
1237
1238 case 61:
1239         gotofloor(argbuf,GF_SKIP);
1240         break;
1241
1242 case 62:
1243         forget_this_floor();
1244         break;
1245
1246 case 63:
1247         create_floor();
1248         break;
1249
1250 case 64:
1251         edit_floor();
1252         break;
1253
1254 case 65:
1255         kill_floor();
1256         break;
1257
1258 case 66:
1259         enter_bio();
1260         break;
1261
1262 case 67:
1263         read_bio();
1264         break;
1265
1266 case 25:
1267         edituser();
1268         break;
1269
1270 case 8:
1271         knrooms(floor_mode);
1272         printf("\n");
1273         break;
1274
1275 case 68:
1276         knrooms(2);
1277         printf("\n");
1278         break;
1279
1280 case 69:
1281         misc_server_cmd(argbuf);
1282         break;
1283
1284 case 70:
1285         edit_system_message(argbuf);
1286         break;
1287
1288 case 19:
1289         listzrooms();
1290         printf("\n");
1291         break;
1292
1293 case 51:
1294         deletefile();
1295         break;
1296
1297 case 53:
1298         netsendfile();
1299         break;
1300
1301 case 54:
1302         movefile();
1303         break;
1304
1305 case 56:
1306         if (last_paged[0])
1307            sprintf(bbb, "Page who [%s]? ", last_paged);
1308         else
1309            sprintf(bbb, "Page who? ");
1310         newprompt(bbb,aaa,30);
1311         if (!aaa[0])
1312            strcpy(aaa, last_paged);
1313         strproc(aaa);
1314         newprompt("Message:  ",bbb,69);
1315         sprintf(ccc,"SEXP %s|%s",aaa,bbb);
1316         serv_puts(ccc);
1317         serv_gets(ccc);
1318         if (!strncmp("200", ccc, 3))
1319            strcpy(last_paged, aaa);
1320         printf("%s\n",&ccc[4]);
1321         break;
1322
1323         } /* end switch */
1324     } while(termn8==0);
1325
1326 TERMN8: printf("%s logged out.\n",fullname);
1327         while (march!=NULL) remove_march(march->march_name,0);
1328         if (mcmd==30)
1329                 printf("\n\nType 'off' to hang up, or next user...\n");
1330         sprintf(aaa,"LOUT");
1331         serv_puts(aaa);
1332         serv_gets(aaa);
1333         if ((mcmd==29)||(mcmd==15)) {
1334                 formout("goodbye");
1335                 logoff(0);
1336                 }
1337         goto GSTA;
1338
1339 } /* end main() */
1340