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 #include <stdarg.h>
  24
  25 #include "citadel.h"
  26 #include "axdefs.h"
  27 #include "serv_info.h"
  28 #include "routines.h"
  29 #include "routines2.h"
  30 #include "rooms.h"
  31 #include "messages.h"
  32 #include "commands.h"
  33 #include "ipc.h"
  34 #include "client_chat.h"
  35 #include "citadel_decls.h"
  36 #include "tools.h"
  37 #ifndef HAVE_SNPRINTF
  38 #include "snprintf.h"
  39 #endif
  40
  41 struct march {
  42         struct march *next;
  43         char march_name[32];
  44         char march_floor;
  45         char march_order;
  46         };
  47
  48 #define IFEXPERT if (userflags&US_EXPERT)
  49 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  50 #define IFAIDE if (axlevel>=6)
  51 #define IFNAIDE if (axlevel<6)
  52
  53 struct march *march = NULL;
  54
  55 /* globals associated with the client program */
  56 char temp[16];                          /* Name of general temp file */
  57 char temp2[16];                         /* Name of general temp file */
  58 char tempdir[16];                       /* Name of general temp dir */
  59 char editor_path[256];                  /* path to external editor */
  60 char printcmd[256];                     /* print command */
  61 int editor_pid = (-1);
  62 char fullname[32];
  63 jmp_buf nextbuf;
  64 struct CtdlServInfo serv_info;          /* Info on the server connected */
  65 int screenwidth;
  66 int screenheight;
  67 unsigned room_flags;
  68 char room_name[ROOMNAMELEN];
  69 char ugname[ROOMNAMELEN];
  70 long uglsn;                             /* holds <u>ngoto info */
  71 char is_mail = 0;                       /* nonzero when we're in a mail room */
  72 char axlevel = 0;                       /* access level */
  73 char is_room_aide = 0;                  /* boolean flag, 1 if room aide */
  74 int timescalled;
  75 int posted;
  76 unsigned userflags;
  77 long usernum = 0L;                      /* user number */
  78 char newnow;
  79 long highest_msg_read;                  /* used for <A>bandon room cmd */
  80 long maxmsgnum;                         /* used for <G>oto */
  81 char sigcaught = 0;
  82 char have_xterm = 0;                    /* are we running on an xterm? */
  83 char rc_username[32];
  84 char rc_password[32];
  85 char rc_floor_mode;
  86 char floor_mode;
  87 char curr_floor = 0;                    /* number of current floor */
  88 char floorlist[128][256];               /* names of floors */
  89 char express_msgs = 0;                  /* express messages waiting! */
  90
  91 jmp_buf jmp_reconnect;                  /* for server reconnects */
  92 char re_username[32];
  93 char re_password[32];
  94
  95 void sigpipehandler(int nothing) {
  96         longjmp(jmp_reconnect, nothing);
  97         }
  98
  99 /*
 100  * here is our 'clean up gracefully and exit' routine
 101  */
 102 void logoff(int code)
 103 {
 104         if (editor_pid>0) {             /* kill the editor if it's running */
 105                 kill(editor_pid,SIGHUP);
 106                 }
 107
 108 /* shut down the server... but not if the logoff code is 3, because
 109  * that means we're exiting because we already lost the server
 110  */
 111         if (code!=3) serv_puts("QUIT");
 112
 113 /*
 114  * now clean up various things
 115  */
 116
 117         unlink(temp);
 118         unlink(temp2);
 119         nukedir(tempdir);
 120
 121         /* Violently kill off any child processes if Citadel is
 122          * the login shell.
 123          */
 124         if (getppid()==1) {
 125                 kill(0-getpgrp(),SIGTERM);
 126                 sleep(1);
 127                 kill(0-getpgrp(),SIGKILL);
 128                 }
 129
 130         sttybbs(SB_RESTORE);            /* return the old terminal settings */
 131         exit(code);                     /* exit with the proper exit code */
 132         }
 133
 134
 135
 136 /*
 137  * We handle "next" and "stop" much differently than in earlier versions.
 138  * The signal catching routine simply sets a flag and returns.
 139  */
 140 void sighandler(int which_sig)
 141 {
 142         signal(SIGINT,SIG_IGN);
 143         signal(SIGQUIT,SIG_IGN);
 144         sigcaught = which_sig;
 145         return;
 146         }
 147
 148
 149 /*
 150  * signal catching function for hangups...
 151  */
 152 void dropcarr(int signum) {
 153         logoff(SIGHUP);
 154         }
 155
 156
 157
 158 /*
 159  * catch SIGCONT to reset terminal modes when were are put back into the
 160  * foreground.
 161  */
 162 void catch_sigcont(int signum) {
 163         sttybbs(SB_LAST);
 164         signal(SIGCONT,catch_sigcont);
 165         }
 166
 167
 168
 169 /* general purpose routines */
 170
 171 void formout(char *name) /* display a file */
 172
 173         {
 174         char cmd[256];
 175         snprintf(cmd,sizeof cmd,"MESG %s",name);
 176         serv_puts(cmd);
 177         serv_gets(cmd);
 178         if (cmd[0]!='1') {
 179                 printf("%s\n",&cmd[4]);
 180                 return;
 181                 }
 182         fmout(screenwidth,NULL,
 183                 ((userflags & US_PAGINATOR) ? 1 : 0),
 184                 screenheight,1,1);
 185         }
 186
 187
 188 void userlist(void) {
 189         char buf[256];
 190         char fl[256];
 191         struct tm *tmbuf;
 192         time_t lc;
 193         int linecount = 2;
 194
 195         serv_puts("LIST");
 196         serv_gets(buf);
 197         if (buf[0]!='1') {
 198                 printf("%s\n",&buf[4]);
 199                 return;
 200                 }
 201         sigcaught = 0;
 202         sttybbs(SB_YES_INTR);
 203         printf("       User Name           Num  L  LastCall  Calls Posts\n");
 204         printf("------------------------- ----- - ---------- ----- -----\n");
 205         while (serv_gets(buf), strcmp(buf,"000")) {
 206                 if (sigcaught == 0) {
 207                         extract(fl,buf,0);
 208                         printf("%-25s ",fl);
 209                         printf("%5ld %d ",extract_long(buf,2),
 210                                 extract_int(buf,1));
 211                         lc = extract_long(buf,3);
 212                         tmbuf = (struct tm *)localtime(&lc);
 213                         printf("%02d/%02d/%04d ",
 214                                 (tmbuf->tm_mon+1),
 215                                 tmbuf->tm_mday,
 216                                 (tmbuf->tm_year + 1900));
 217                         printf("%5ld %5ld\n",extract_long(buf,4),extract_long(buf,5));
 218
 219                         ++linecount;
 220                         linecount = checkpagin(linecount,
 221                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 222                                 screenheight);
 223
 224                         }
 225                 }
 226         sttybbs(SB_NO_INTR);
 227         printf("\n");
 228         }
 229
 230
 231 /*
 232  * grab assorted info about the user...
 233  */
 234 void load_user_info(char *params)
 235 {
 236         extract(fullname,params,0);
 237         axlevel = extract_int(params,1);
 238         timescalled = extract_int(params,2);
 239         posted = extract_int(params,3);
 240         userflags = extract_int(params,4);
 241         usernum = extract_long(params,5);
 242         }
 243
 244
 245 /*
 246  * Remove a room from the march list.  'floornum' is ignored unless
 247  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 248  * floor will be removed from the march list.
 249  */
 250 void remove_march(char *roomname, int floornum)
 251 {
 252         struct march *mptr,*mptr2;
 253
 254         if (march==NULL) return;
 255
 256         if ( (!strucmp(march->march_name,roomname))
 257          || ((!strucmp(roomname,"_FLOOR_"))&&(march->march_floor==floornum))) {
 258                 mptr = march->next;
 259                 free(march);
 260                 march = mptr;
 261                 return;
 262                 }
 263
 264         mptr2 = march;
 265         for (mptr=march; mptr!=NULL; mptr=mptr->next) {
 266
 267                 if ( (!strucmp(mptr->march_name,roomname))
 268                    || ((!strucmp(roomname,"_FLOOR_"))
 269                         &&(mptr->march_floor==floornum))) {
 270
 271                         mptr2->next = mptr->next;
 272                         free(mptr);
 273                         mptr=mptr2;
 274                         }
 275                 else {
 276                         mptr2=mptr;
 277                         }
 278                 }
 279         }
 280
 281
 282 /*
 283  * Locate the room on the march list which we most want to go to.  Each room
 284  * is measured given a "weight" of preference based on various factors.
 285  */
 286 char *pop_march(int desired_floor) {
 287         static char TheRoom[ROOMNAMELEN];
 288         int TheFloor = 0;
 289         int TheOrder = 32767;
 290         int TheWeight = 0;
 291         int weight;
 292         struct march *mptr = NULL;
 293
 294         strcpy(TheRoom, "_BASEROOM_");
 295         if (march == NULL) return(TheRoom);
 296
 297         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 298                 weight = 0;
 299                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 300                         weight = weight + 10000;
 301                 if (mptr->march_floor == desired_floor)
 302                         weight = weight + 5000;
 303
 304                         weight = weight + ((128-(mptr->march_floor))*128);
 305                         weight = weight + (128-(mptr->march_order));
 306
 307                 if (weight > TheWeight) {
 308                         TheWeight = weight;
 309                         strcpy(TheRoom, mptr->march_name);
 310                         TheFloor = mptr->march_floor;
 311                         TheOrder = mptr->march_order;
 312                         }
 313                 }
 314         return(TheRoom);
 315         }
 316
 317
 318 /*
 319  * jump directly to a room
 320  */
 321 void dotgoto(char *towhere, int display_name)
 322 {
 323         char aaa[256],bbb[256],psearch[256];
 324         static long ls = 0L;
 325         int newmailcount;
 326         static int oldmailcount = (-1);
 327         int partial_match,best_match;
 328         char from_floor;
 329
 330         /* store ungoto information */
 331         strcpy(ugname,room_name);
 332         uglsn = ls;
 333
 334         /* first try an exact match */
 335         snprintf(aaa,sizeof aaa,"GOTO %s",towhere);
 336         serv_puts(aaa);
 337         serv_gets(aaa);
 338         if (aaa[3]=='*') express_msgs = 1;
 339         if (!strncmp(aaa,"54",2)) {
 340                 newprompt("Enter room password: ",bbb,9);
 341                 snprintf(aaa,sizeof aaa,"GOTO %s|%s",towhere,bbb);
 342                 serv_puts(aaa);
 343                 serv_gets(aaa);
 344                 if (aaa[3]=='*') express_msgs = 1;
 345                 }
 346         if (!strncmp(aaa,"54",2)) {
 347                 printf("Wrong password.\n");
 348                 return;
 349                 }
 350
 351
 352         /*
 353          * If a match is not found, try a partial match.
 354          * Partial matches anywhere in the string carry a weight of 1,
 355          * left-aligned matches carry a weight of 2.  Pick the room that
 356          * has the highest-weighted match.
 357          */
 358         if (aaa[0]!='2') {
 359                 best_match = 0;
 360                 strcpy(bbb,"");
 361                 serv_puts("LKRA");
 362                 serv_gets(aaa);
 363                 if (aaa[0]=='1') while (serv_gets(aaa), strcmp(aaa,"000")) {
 364                         extract(psearch,aaa,0);
 365                         partial_match = 0;
 366                         if (pattern(psearch,towhere)>=0) {
 367                                 partial_match = 1;
 368                                 }
 369                         if (!struncmp(towhere,psearch,strlen(towhere))) {
 370                                 partial_match = 2;
 371                                 }
 372                         if (partial_match > best_match) {
 373                                 strcpy(bbb,psearch);
 374                                 best_match = partial_match;
 375                                 }
 376                         }
 377                 if (strlen(bbb)==0) {
 378                         printf("No room '%s'.\n",towhere);
 379                         return;
 380                         }
 381                 snprintf(aaa,sizeof aaa,"GOTO %s",bbb);
 382                 serv_puts(aaa);
 383                 serv_gets(aaa);
 384                 if (aaa[3]=='*') express_msgs = 1;
 385                 }
 386
 387         if (aaa[0]!='2') {
 388                 printf("%s\n",aaa);
 389                 return;
 390                 }
 391
 392         extract(room_name,&aaa[4],0);
 393         room_flags = extract_int(&aaa[4],4);
 394         from_floor = curr_floor;
 395         curr_floor = extract_int(&aaa[4],10);
 396
 397         remove_march(room_name,0);
 398         if (!strucmp(towhere,"_BASEROOM_")) remove_march(towhere,0);
 399         if ((from_floor!=curr_floor) && (display_name>0) && (floor_mode==1)) {
 400                 if (floorlist[(int)curr_floor][0]==0) load_floorlist();
 401                 printf("(Entering floor: %s)\n",&floorlist[(int)curr_floor][0]);
 402                 }
 403         if (display_name == 1) printf("%s - ",room_name);
 404         if (display_name != 2) printf("%d new of %d messages.\n",
 405                 extract_int(&aaa[4],1),
 406                 extract_int(&aaa[4],2));
 407         highest_msg_read = extract_int(&aaa[4],6);
 408         maxmsgnum = extract_int(&aaa[4],5);
 409         is_mail = (char) extract_int(&aaa[4],7);
 410         is_room_aide = (char) extract_int(&aaa[4],8);
 411         ls = extract_long(&aaa[4],6);
 412
 413         /* read info file if necessary */
 414         if (extract_int(&aaa[4],3) > 0) readinfo();
 415
 416         /* check for newly arrived mail if we can */
 417         if (num_parms(&aaa[4])>=10) {
 418                 newmailcount = extract_int(&aaa[4],9);
 419                 if ( (oldmailcount >= 0) && (newmailcount > oldmailcount) )
 420                         printf("*** You have new mail\n");
 421                 oldmailcount = newmailcount;
 422                 }
 423         }
 424
 425 /* Goto next room having unread messages.
 426  * We want to skip over rooms that the user has already been to, and take the
 427  * user back to the lobby when done.  The room we end up in is placed in
 428  * newroom - which is set to 0 (the lobby) initially.
 429  */
 430 void gotonext(void) {
 431         char buf[256];
 432         struct march *mptr,*mptr2;
 433         char next_room[32];
 434
 435         /* Check to see if the march-mode list is already allocated.
 436          * If it is, pop the first room off the list and go there.
 437          */
 438         if (march==NULL) {
 439                 serv_puts("LKRN");
 440                 serv_gets(buf);
 441                 if (buf[0]=='1')
 442                     while (serv_gets(buf), strcmp(buf,"000")) {
 443                         mptr = (struct march *) malloc(sizeof(struct march));
 444                         mptr->next = NULL;
 445                         extract(mptr->march_name,buf,0);
 446                         mptr->march_floor = (char) (extract_int(buf,2) & 0x7F);
 447                         mptr->march_order = (char) (extract_int(buf,3) & 0x7F);
 448                         if (march==NULL) {
 449                                 march = mptr;
 450                                 }
 451                         else {
 452                                 mptr2 = march;
 453                                 while (mptr2->next != NULL)
 454                                         mptr2 = mptr2->next;
 455                                 mptr2->next = mptr;
 456                                 }
 457                         }
 458
 459 /* add _BASEROOM_ to the end of the march list, so the user will end up
 460  * in the system base room (usually the Lobby>) at the end of the loop
 461  */
 462                 mptr = (struct march *) malloc(sizeof(struct march));
 463                 mptr->next = NULL;
 464                 strcpy(mptr->march_name,"_BASEROOM_");
 465                 if (march==NULL) {
 466                         march = mptr;
 467                         }
 468                 else {
 469                         mptr2 = march;
 470                         while (mptr2->next != NULL)
 471                                 mptr2 = mptr2->next;
 472                         mptr2->next = mptr;
 473                         }
 474 /*
 475  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 476  * walk around in circles
 477  */
 478                 remove_march(room_name,0);
 479                 }
 480
 481         if (march!=NULL) {
 482                 strcpy(next_room, pop_march(curr_floor));
 483                 }
 484         else {
 485                 strcpy(next_room,"_BASEROOM_");
 486                 }
 487         remove_march(next_room,0);
 488         dotgoto(next_room,1);
 489    }
 490
 491 /*
 492  * forget all rooms on a given floor
 493  */
 494 void forget_all_rooms_on(int ffloor)
 495 {
 496         char buf[256];
 497         struct march *flist,*fptr;
 498
 499         printf("Forgetting all rooms on %s...\r",&floorlist[ffloor][0]);
 500         fflush(stdout);
 501         snprintf(buf,sizeof buf,"LKRA %d",ffloor);
 502         serv_puts(buf);
 503         serv_gets(buf);
 504         if (buf[0]!='1') {
 505                 printf("%-72s\n",&buf[4]);
 506                 return;
 507                 }
 508         flist = NULL;
 509         while (serv_gets(buf), strcmp(buf,"000")) {
 510                 fptr = (struct march *) malloc(sizeof(struct march));
 511                 fptr->next = flist;
 512                 flist = fptr;
 513                 extract(fptr->march_name,buf,0);
 514                 }
 515         while (flist != NULL) {
 516                 snprintf(buf,sizeof buf,"GOTO %s",flist->march_name);
 517                 serv_puts(buf);
 518                 serv_gets(buf);
 519                 if (buf[0]=='2') {
 520                         serv_puts("FORG");
 521                         serv_gets(buf);
 522                         }
 523                 fptr = flist;
 524                 flist = flist->next;
 525                 free(fptr);
 526                 }
 527         printf("%-72s\r","");
 528         }
 529
 530
 531 /*
 532  * routine called by gotofloor() to move to a new room on a new floor
 533  */
 534 void gf_toroom(char *towhere, int mode)
 535 {
 536         int floor_being_left;
 537
 538         floor_being_left = curr_floor;
 539
 540         if (mode == GF_GOTO) {          /* <;G>oto mode */
 541                 updatels();
 542                 dotgoto(towhere,1);
 543                 }
 544
 545         if (mode == GF_SKIP) {          /* <;S>kip mode */
 546                 dotgoto(towhere,1);
 547                 remove_march("_FLOOR_",floor_being_left);
 548                 }
 549
 550         if (mode == GF_ZAP) {           /* <;Z>ap mode */
 551                 dotgoto(towhere,1);
 552                 remove_march("_FLOOR_",floor_being_left);
 553                 forget_all_rooms_on(floor_being_left);
 554                 }
 555         }
 556
 557
 558 /*
 559  * go to a new floor
 560  */
 561 void gotofloor(char *towhere, int mode)
 562 {
 563         int a,tofloor;
 564         struct march *mptr;
 565         char buf[256],targ[256];
 566
 567         if (floorlist[0][0]==0) load_floorlist();
 568         tofloor = (-1);
 569         for (a=0; a<128; ++a) if (!strucmp(&floorlist[a][0],towhere))
 570                 tofloor = a;
 571
 572         if (tofloor<0) {
 573                 for (a=0; a<128; ++a) {
 574                     if (!struncmp(&floorlist[a][0],towhere,strlen(towhere))) {
 575                         tofloor = a;
 576                         }
 577                     }
 578                 }
 579
 580         if (tofloor<0) {
 581                 for (a=0; a<128; ++a)
 582                     if (pattern(towhere,&floorlist[a][0])>0)
 583                         tofloor = a;
 584                 }
 585
 586         if (tofloor<0) {
 587                 printf("No floor '%s'.\n",towhere);
 588                 return;
 589                 }
 590
 591         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 592                 if ((mptr->march_floor) == tofloor)
 593                         gf_toroom(mptr->march_name,mode);
 594                         return;
 595                 }
 596
 597         strcpy(targ,"");
 598         snprintf(buf,sizeof buf,"LKRA %d",tofloor);
 599         serv_puts(buf);
 600         serv_gets(buf);
 601         if (buf[0]=='1') while (serv_gets(buf), strcmp(buf,"000")) {
 602                 if ((extract_int(buf,2)==tofloor)&&(strlen(targ)==0))
 603                          extract(targ,buf,0);
 604                 }
 605         if (strlen(targ)>0) {
 606                 gf_toroom(targ,mode);
 607                 }
 608         else {
 609                 printf("There are no rooms on '%s'.\n",&floorlist[tofloor][0]);
 610                 }
 611         }
 612
 613
 614 /*
 615  * forget all rooms on current floor
 616  */
 617 void forget_this_floor(void) {
 618
 619         if (curr_floor == 0) {
 620                 printf("Can't forget this floor.\n");
 621                 return;
 622                 }
 623
 624         if (floorlist[0][0]==0) load_floorlist();
 625         printf("Are you sure you want to forget all rooms on %s? ",
 626                 &floorlist[(int)curr_floor][0]);
 627         if (yesno()==0) return;
 628
 629         gf_toroom("_BASEROOM_",GF_ZAP);
 630         }
 631
 632
 633 /*
 634  * Figure out the physical screen dimensions, if we can
 635  */
 636 void check_screen_dims(void) {
 637 #ifdef TIOCGWINSZ
 638         struct {
 639                 unsigned short height;          /* rows */
 640                 unsigned short width;           /* columns */
 641                 unsigned short xpixels;
 642                 unsigned short ypixels;         /* pixels */
 643         } xwinsz;
 644
 645         if (have_xterm) {       /* dynamically size screen if on an xterm */
 646                 if ( ioctl(0, TIOCGWINSZ, &xwinsz) == 0 ) {
 647                         if (xwinsz.height) screenheight = (int) xwinsz.height;
 648                         if (xwinsz.width) screenwidth = (int) xwinsz.width;
 649                         }
 650                 }
 651 #endif
 652         }
 653
 654
 655 /*
 656  * set floor mode depending on client, server, and user settings
 657  */
 658 void set_floor_mode(void) {
 659         if (serv_info.serv_ok_floors == 0) {
 660                 floor_mode = 0;         /* Don't use floors if the server */
 661                 }                       /* doesn't support them!          */
 662         else {
 663                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 664                         floor_mode = 0;
 665                         }
 666                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 667                         floor_mode = 1;
 668                         }
 669                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 670                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 671                         }
 672                 }
 673         }
 674
 675 /*
 676  * Set or change the user's password
 677  */
 678 int set_password(void) {
 679         char pass1[20];
 680         char pass2[20];
 681         char buf[256];
 682
 683         if (strlen(rc_password) > 0) {
 684                 strcpy(pass1,rc_password);
 685                 strcpy(pass2,rc_password);
 686                 }
 687         else {
 688                 IFNEXPERT formout("changepw");
 689                 newprompt("Enter a new password: ", pass1, -19);
 690                 newprompt("Enter it again to confirm: ", pass2, -19);
 691                 }
 692         if (!strucmp(pass1,pass2)) {
 693                 snprintf(buf,sizeof buf,"SETP %s",pass1);
 694                 serv_puts(buf);
 695                 serv_gets(buf);
 696                 printf("%s\n",&buf[4]);
 697                 strcpy(re_password, pass1);
 698                 return(0);
 699                 }
 700         else {
 701                 printf("*** They don't match... try again.\n");
 702                 return(1);
 703                 }
 704         }
 705
 706
 707
 708 /*
 709  * get info about the server we've connected to
 710  */
 711 void get_serv_info(void) {
 712         char buf[512];
 713
 714         CtdlInternalGetServInfo(&serv_info);
 715
 716         /* be nice and identify ourself to the server */
 717         snprintf(buf,sizeof buf,"IDEN %d|%d|%d|%s|",
 718                 SERVER_TYPE,0,REV_LEVEL,
 719                 (server_is_local ? "local" : CITADEL));
 720         locate_host(&buf[strlen(buf)]); /* append to the end */
 721         serv_puts(buf);
 722         serv_gets(buf); /* we don't care about the result code */
 723         }
 724
 725
 726
 727
 728
 729 /*
 730  * Display list of users currently logged on to the server
 731  */
 732 void who_is_online(int longlist)
 733 {
 734         char buf[128], username[128], roomname[128], fromhost[128], flags[128];
 735         char tbuf[128], clientsoft[128];
 736         time_t timenow=0;
 737         time_t idletime, idlehours, idlemins, idlesecs;
 738         int last_session = (-1);
 739
 740         if (longlist)
 741         {
 742            serv_puts("TIME");
 743            serv_gets(tbuf);
 744            if (tbuf[0] == '2') {
 745                 timenow = extract_long(&tbuf[4], 0);
 746                 }
 747            else {
 748                 time(&timenow);
 749                 }
 750         }
 751         else {
 752         color(3);
 753         printf("FLG ###        User Name                 Room                 From host\n");
 754         color(6);
 755         printf("--- --- ------------------------- -------------------- ------------------------\n");
 756                 }
 757         serv_puts("RWHO");
 758         serv_gets(buf);
 759         if (buf[0]=='1')
 760         {
 761                 while(serv_gets(buf), strcmp(buf,"000"))
 762                 {
 763                         extract(username,buf,1);
 764                         extract(roomname,buf,2);
 765                         extract(fromhost,buf,3);
 766                         extract(clientsoft, buf, 4);
 767                         extract(flags,buf,7);
 768
 769                         if (longlist) {
 770                                 idletime = timenow - extract_long(buf, 5);
 771                                 idlehours = idletime / 3600;
 772                                 idlemins = (idletime - (idlehours*3600)) / 60;
 773                                 idlesecs = (idletime - (idlehours*3600) - (idlemins*60) );
 774                                 printf("\nFlags: %-3s  Sess# %-3d  Name: %-25s  Room: %s\n",
 775                                         flags, extract_int(buf,0), username, roomname);
 776                                 printf("from <%s> using <%s>, idle %ld:%02ld:%02ld\n",
 777                                         fromhost, clientsoft,
 778                                         (long)idlehours, (long)idlemins, (long)idlesecs);
 779
 780                                 }
 781                         else {
 782                                 if (extract_int(buf,0)==last_session) {
 783                                         printf("        ");
 784                                         }
 785                                 else {
 786                                         color(1); printf("%-3s ", flags);
 787                                         color(2); printf("%-3d ", extract_int(buf,0));
 788                                         }
 789                                 last_session=extract_int(buf,0);
 790                                 color(3); printf("%-25s ", username);
 791                                 color(4); printf("%-20s ", roomname);
 792                                 color(5); printf("%-24s\n", fromhost);
 793                                 color(7);
 794                                 }
 795                         }
 796                 }
 797         }
 798
 799 void enternew(char *desc, char *buf, int maxlen)
 800 {
 801    char bbb[128];
 802    snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 803    newprompt(bbb, buf, maxlen);
 804 }
 805
 806 /*
 807  * main
 808  */
 809 int main(int argc, char **argv)
 810 {
 811 int a,b,mcmd;
 812 char aaa[100],bbb[100],eee[100];                /* general purpose variables */
 813 char argbuf[32];                                /* command line buf */
 814 volatile int termn8 = 0;
 815
 816
 817 sttybbs(SB_SAVE);               /* Store the old terminal parameters */
 818 load_command_set();             /* parse the citadel.rc file */
 819 sttybbs(SB_NO_INTR);            /* Install the new ones */
 820 signal(SIGINT,SIG_IGN);
 821 signal(SIGQUIT,SIG_IGN);
 822 signal(SIGHUP,dropcarr);        /* Cleanup gracefully if carrier is dropped */
 823 signal(SIGTERM,dropcarr);       /* Cleanup gracefully if terminated */
 824 signal(SIGCONT,catch_sigcont);  /* Catch SIGCONT so we can reset terminal */
 825
 826 printf("Attaching to server...\r");
 827 fflush(stdout);
 828 attach_to_server(argc,argv);
 829
 830 send_ansi_detect();
 831
 832 serv_gets(aaa);
 833 if (aaa[0]!='2') {
 834         printf("%s\n",&aaa[4]);
 835         logoff(atoi(aaa));
 836         }
 837 get_serv_info();
 838
 839 look_for_ansi();
 840 cls(0);
 841 color(7);
 842
 843 printf("%-22s\n%s\n%s\n",serv_info.serv_software,serv_info.serv_humannode,
 844         serv_info.serv_bbs_city);
 845 screenwidth = 80;               /* default screen dimensions */
 846 screenheight = 24;
 847
 848 printf(" pause    next    stop\n");
 849 printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
 850 formout("hello");               /* print the opening greeting */
 851 printf("\n");
 852
 853 GSTA:   termn8=0; newnow=0;
 854         do {
 855                 if (strlen(rc_username) > 0) {
 856                         strcpy(fullname,rc_username);
 857                         }
 858                 else {
 859                         newprompt("Enter your name: ",fullname,29);
 860                         }
 861                 strproc(fullname);
 862                 if (!strucmp(fullname,"new")) {         /* just in case */
 863                    printf("Please enter the name you wish to log in with.\n");
 864                    }
 865                 } while(
 866                         (!strucmp(fullname,"bbs"))
 867                         || (!strucmp(fullname,"new"))
 868                         || (strlen(fullname)==0) );
 869
 870         if (!strucmp(fullname,"off")) {
 871                 mcmd=29;
 872                 goto TERMN8;
 873                 }
 874
 875         /* sign on to the server */
 876         strcpy(re_username, fullname);
 877         snprintf(aaa,sizeof aaa,"USER %s",fullname);
 878         serv_puts(aaa);
 879         serv_gets(aaa);
 880         if (aaa[0]!='3') goto NEWUSR;
 881
 882         /* password authentication */
 883         if (strlen(rc_password)>0) {
 884                 strcpy(eee,rc_password);
 885                 }
 886         else {
 887                 newprompt("\rPlease enter your password: ",eee,-19);
 888                 }
 889         strproc(eee);
 890         snprintf(aaa,sizeof aaa,"PASS %s",eee);
 891         serv_puts(aaa);
 892         serv_gets(aaa);
 893         if (aaa[0]=='2') {
 894                 strcpy(re_password, eee);
 895                 load_user_info(&aaa[4]);
 896                 goto PWOK;
 897                 }
 898
 899         printf("<< wrong password >>\n");
 900         if (strlen(rc_password)>0) logoff(0);
 901         goto GSTA;
 902
 903 NEWUSR: if (strlen(rc_password)==0) {
 904                 printf("No record. Enter as new user? ");
 905                 if (yesno()==0) goto GSTA;
 906                 }
 907
 908         snprintf(aaa,sizeof aaa,"NEWU %s",fullname);
 909         serv_puts(aaa);
 910         serv_gets(aaa);
 911         if (aaa[0]!='2') {
 912                 printf("%s\n",aaa);
 913                 goto GSTA;
 914                 }
 915         load_user_info(&aaa[4]);
 916
 917         while (set_password() != 0) ;;
 918         newnow=1;
 919
 920         enter_config(1);
 921
 922
 923 PWOK:   printf("%s\nAccess level: %d (%s)\nUser #%ld / Call #%d\n",
 924                 fullname,axlevel,axdefs[(int)axlevel],
 925                 usernum,timescalled);
 926
 927         serv_puts("CHEK");
 928         serv_gets(aaa);
 929         if (aaa[0]=='2') {
 930                 b = extract_int(&aaa[4],0);
 931                 if (b==1) printf("*** You have a new private message in Mail>\n");
 932                 if (b>1)  printf("*** You have %d new private messages in Mail>\n",b);
 933
 934                 if ((axlevel>=6) && (extract_int(&aaa[4],2)>0)) {
 935                         printf("*** Users need validation\n");
 936                         }
 937
 938                 if (extract_int(&aaa[4],1)>0) {
 939                         printf("*** Please register.\n");
 940                         formout("register");
 941                         entregis();
 942                         }
 943                 }
 944
 945         /* Make up some temporary filenames for use in various parts of the
 946          * program.  Don't mess with these once they've been set, because we
 947          * will be unlinking them later on in the program and we don't
 948          * want to delete something that we didn't create. */
 949         snprintf(temp,sizeof temp,"/tmp/citA%d",getpid());
 950         snprintf(temp2,sizeof temp2,"/tmp/citB%d",getpid());
 951         snprintf(tempdir,sizeof tempdir,"/tmp/citC%d",getpid());
 952
 953         /* Get screen dimensions.  First we go to a default of 80x24.  Then
 954          * we try to get the user's actual screen dimensions off the server.
 955          * However, if we're running on an xterm, all this stuff is
 956          * irrelevant because we're going to dynamically size the screen
 957          * during the session.
 958          */
 959         screenwidth = 80;
 960         screenheight = 24;
 961         serv_puts("GETU");
 962         serv_gets(aaa);
 963         if (aaa[0]=='2') {
 964                 screenwidth = extract_int(&aaa[4],0);
 965                 screenheight = extract_int(&aaa[4],1);
 966                 }
 967         if (getenv("TERM")!=NULL) if (!strcmp(getenv("TERM"),"xterm")) {
 968                 have_xterm = 1;
 969                 }
 970 #ifdef TIOCGWINSZ
 971         check_screen_dims();
 972 #endif
 973
 974         set_floor_mode();
 975
 976
 977         /* Enter the lobby */
 978         dotgoto("_BASEROOM_",1);
 979
 980 /* Main loop for the system... user is logged in. */
 981         strcpy(ugname,"");
 982         uglsn = 0L;
 983
 984         if (newnow==1)  readmsgs(3,1,5);
 985                 else    readmsgs(1,1,0);
 986
 987 do {    /* MAIN LOOP OF PROGRAM */
 988
 989         /* Reconnect to the server if the connection was broken */
 990         if (setjmp(jmp_reconnect)) {
 991                 printf("\rServer connection broken; reconnecting...\r");
 992                 fflush(stdout);
 993                 attach_to_server(argc,argv);
 994                 printf("                                         \r");
 995                 fflush(stdout);
 996                 serv_gets(aaa);
 997                 if (aaa[0]!='2') { printf("%s\n", &aaa[4]); exit(0); }
 998                 get_serv_info();
 999                 sprintf(aaa, "USER %s", re_username);
1000                 serv_puts(aaa);
1001                 serv_gets(aaa);
1002                 if (aaa[0]!='3') { printf("%s\n", &aaa[4]); exit(0); }
1003                 sprintf(aaa, "PASS %s", re_password);
1004                 serv_puts(aaa);
1005                 serv_gets(aaa);
1006                 if (aaa[0]!='2') { printf("%s\n", &aaa[4]); exit(0); }
1007                 load_user_info(&aaa[4]);
1008                 sprintf(aaa, "GOTO %s", room_name);
1009                 serv_puts(aaa);
1010                 serv_gets(aaa);
1011                 }
1012         signal(SIGPIPE, sigpipehandler);
1013
1014         signal(SIGINT,SIG_IGN);
1015         signal(SIGQUIT,SIG_IGN);
1016         mcmd=getcmd(argbuf);
1017
1018 #ifdef TIOCGWINSZ
1019         check_screen_dims();
1020 #endif
1021
1022         if (termn8==0) switch(mcmd) {
1023            case 1:      formout("help");
1024                         break;
1025            case 4:      entmsg(0,0);
1026                         break;
1027            case 36:     entmsg(0,1);
1028                         break;
1029            case 46:     entmsg(0,2);
1030                         break;
1031            case 78:     newprompt("What do you want your username to be? ", aaa, 32);
1032                         snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1033                         serv_puts(bbb);
1034                         serv_gets(aaa);
1035                         if (strncmp("200", aaa, 3))
1036                            printf("\n%s\n", aaa);
1037                         else
1038                            entmsg(0, 0);
1039                         break;
1040            case 5:      updatels();
1041                         gotonext();
1042                         break;
1043            case 47:     updatelsa();
1044                         gotonext();
1045                         break;
1046            case 58:     updatelsa();
1047                         dotgoto("_MAIL_",1);
1048                         break;
1049            case 20:     updatels();
1050            case 52:     dotgoto(argbuf,0);
1051                         break;
1052            case 10:     readmsgs(0,1,0);
1053                         break;
1054            case 9:      readmsgs(3,1,5);
1055                         break;
1056            case 13:     readmsgs(1,1,0);
1057                         break;
1058            case 11:     readmsgs(0,(-1),0);
1059                         break;
1060            case 12:     readmsgs(2,(-1),0);
1061                         break;
1062            case 71:     readmsgs(3, 1, atoi(argbuf));
1063                         break;
1064            case 7:      forget();       break;
1065            case 18:     subshell();     break;
1066            case 38:     updatels();
1067                         entroom();      break;
1068            case 22:     killroom();     break;
1069            case 32:     userlist();     break;
1070            case 27:     invite();       break;
1071            case 28:     kickout();      break;
1072            case 23:     editthisroom(); break;
1073            case 14:     roomdir();      break;
1074            case 33:     download(0);    break;
1075            case 34:     download(1);    break;
1076            case 31:     download(2);    break;
1077            case 43:     download(3);    break;
1078            case 45:     download(4);    break;
1079            case 55:     download(5);    break;
1080            case 39:     upload(0);      break;
1081            case 40:     upload(1);      break;
1082            case 42:     upload(2);      break;
1083            case 44:     upload(3);      break;
1084            case 57:     cli_upload();   break;
1085            case 16:     ungoto();       break;
1086            case 24:     whoknows();     break;
1087            case 26:     validate();     break;
1088            case 29:     updatels();
1089                         termn8=1;
1090                         break;
1091            case 30:     updatels();
1092                         termn8=1;
1093                         break;
1094            case 48:     enterinfo();
1095                         break;
1096            case 49:     readinfo();
1097                         break;
1098            case 72:     cli_image_upload("_userpic_");
1099                         break;
1100            case 73:     cli_image_upload("_roompic_");
1101                         break;
1102
1103 case 74:
1104         snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1105         cli_image_upload(aaa);
1106         break;
1107
1108 case 75:
1109         enternew("roomname", aaa, 20);
1110         snprintf(bbb, sizeof bbb, "RCHG %s", aaa);
1111         serv_puts(bbb);
1112         serv_gets(aaa);
1113         if (strncmp("200",aaa, 3))
1114            printf("\n%s\n", aaa);
1115         break;
1116 case 76:
1117         enternew("hostname", aaa, 25);
1118         snprintf(bbb, sizeof bbb, "HCHG %s", aaa);
1119         serv_puts(bbb);
1120         serv_gets(aaa);
1121         if (strncmp("200",aaa, 3))
1122            printf("\n%s\n", aaa);
1123         break;
1124 case 77:
1125         enternew("username", aaa, 32);
1126         snprintf(bbb, sizeof bbb, "UCHG %s", aaa);
1127         serv_puts(bbb);
1128         serv_gets(aaa);
1129         if (strncmp("200",aaa, 3))
1130            printf("\n%s\n", aaa);
1131         break;
1132
1133 case 35:
1134         set_password();
1135         break;
1136
1137 case 21:
1138         if (argbuf[0]==0) strcpy(aaa,"?");
1139         display_help(argbuf);
1140         break;
1141
1142 case 41:
1143         formout("register");
1144         entregis();
1145         break;
1146
1147 case 15:
1148         printf("Are you sure (y/n)? ");
1149         if (yesno()==1) {
1150                 updatels();
1151                 a=0;
1152                 termn8=1;
1153                 }
1154         break;
1155
1156 case 6:
1157         gotonext();
1158         break;
1159
1160 case 3: chatmode();
1161         break;
1162
1163 case 2: if (server_is_local) {
1164                 sttybbs(SB_RESTORE);
1165                 snprintf(aaa,sizeof aaa,"USERNAME=\042%s\042; export USERNAME;"
1166                         "exec ./subsystem %ld %d %d", fullname,
1167                         usernum,screenwidth,axlevel);
1168                 ka_system(aaa);
1169                 sttybbs(SB_NO_INTR);
1170                 }
1171         else {
1172                 printf("*** Can't run doors when server is not local.\n");
1173                 }
1174         break;
1175
1176 case 17:
1177         who_is_online(0);
1178         break;
1179
1180 case 79:
1181         who_is_online(1);
1182         break;
1183
1184 case 80:
1185         do_system_configuration();
1186         break;
1187
1188 case 50:
1189         enter_config(2);
1190         break;
1191
1192 case 37:
1193         enter_config(0);
1194         set_floor_mode();
1195         break;
1196
1197 case 59:
1198         enter_config(3);
1199         set_floor_mode();
1200         break;
1201
1202 case 60:
1203         gotofloor(argbuf,GF_GOTO);
1204         break;
1205
1206 case 61:
1207         gotofloor(argbuf,GF_SKIP);
1208         break;
1209
1210 case 62:
1211         forget_this_floor();
1212         break;
1213
1214 case 63:
1215         create_floor();
1216         break;
1217
1218 case 64:
1219         edit_floor();
1220         break;
1221
1222 case 65:
1223         kill_floor();
1224         break;
1225
1226 case 66:
1227         enter_bio();
1228         break;
1229
1230 case 67:
1231         read_bio();
1232         break;
1233
1234 case 25:
1235         edituser();
1236         break;
1237
1238 case 8:
1239         knrooms(floor_mode);
1240         printf("\n");
1241         break;
1242
1243 case 68:
1244         knrooms(2);
1245         printf("\n");
1246         break;
1247
1248 case 69:
1249         misc_server_cmd(argbuf);
1250         break;
1251
1252 case 70:
1253         edit_system_message(argbuf);
1254         break;
1255
1256 case 19:
1257         listzrooms();
1258         printf("\n");
1259         break;
1260
1261 case 51:
1262         deletefile();
1263         break;
1264
1265 case 53:
1266         netsendfile();
1267         break;
1268
1269 case 54:
1270         movefile();
1271         break;
1272
1273 case 56:
1274         page_user();
1275         break;
1276
1277         } /* end switch */
1278     } while(termn8==0);
1279
1280 TERMN8: printf("%s logged out.\n",fullname);
1281         while (march!=NULL) remove_march(march->march_name,0);
1282         if (mcmd==30)
1283                 printf("\n\nType 'off' to hang up, or next user...\n");
1284         snprintf(aaa,sizeof aaa,"LOUT");
1285         serv_puts(aaa);
1286         serv_gets(aaa);
1287         if ((mcmd==29)||(mcmd==15)) {
1288                 formout("goodbye");
1289                 logoff(0);
1290                 }
1291         goto GSTA;
1292
1293 } /* end main() */
1294