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