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         char march_order;
  42         };
  43
  44 #define IFEXPERT if (userflags&US_EXPERT)
  45 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  46 #define IFAIDE if (axlevel>=6)
  47 #define IFNAIDE if (axlevel<6)
  48
  49 struct march *march = NULL;
  50
  51 /* globals associated with the client program */
  52 char temp[16];                          /* Name of general temp file */
  53 char temp2[16];                         /* Name of general temp file */
  54 char tempdir[16];                       /* Name of general temp dir */
  55 char editor_path[256];                  /* path to external editor */
  56 char printcmd[256];                     /* print command */
  57 int editor_pid = (-1);
  58 char fullname[32];
  59 jmp_buf nextbuf;
  60 struct CtdlServInfo serv_info;          /* Info on the server connected */
  61 int screenwidth;
  62 int screenheight;
  63 unsigned room_flags;
  64 char room_name[ROOMNAMELEN];
  65 char ugname[ROOMNAMELEN];
  66 long uglsn;                             /* holds <u>ngoto info */
  67 char is_mail = 0;                       /* nonzero when we're in a mail room */
  68 char axlevel = 0;                       /* access level */
  69 char is_room_aide = 0;                  /* boolean flag, 1 if room aide */
  70 int timescalled;
  71 int posted;
  72 unsigned userflags;
  73 long usernum = 0L;                      /* user number */
  74 char newnow;
  75 long highest_msg_read;                  /* used for <A>bandon room cmd */
  76 long maxmsgnum;                         /* used for <G>oto */
  77 char sigcaught = 0;
  78 char have_xterm = 0;                    /* are we running on an xterm? */
  79 char rc_username[32];
  80 char rc_password[32];
  81 char rc_floor_mode;
  82 char floor_mode;
  83 char curr_floor = 0;                    /* number of current floor */
  84 char floorlist[128][256];               /* names of floors */
  85 char express_msgs = 0;                  /* express messages waiting! */
  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         longjmp(jmp_reconnect, nothing);
  93         }
  94
  95 /*
  96  * here is our 'clean up gracefully and exit' routine
  97  */
  98 void logoff(int code)
  99 {
 100         if (editor_pid>0) {             /* kill the editor if it's running */
 101                 kill(editor_pid,SIGHUP);
 102                 }
 103
 104 /* shut down the server... but not if the logoff code is 3, because
 105  * that means we're exiting because we already lost the server
 106  */
 107         if (code!=3) serv_puts("QUIT");
 108
 109 /*
 110  * now clean up various things
 111  */
 112
 113         unlink(temp);
 114         unlink(temp2);
 115         nukedir(tempdir);
 116
 117         /* Violently kill off any child processes if Citadel is
 118          * the login shell.
 119          */
 120         if (getppid()==1) {
 121                 kill(0-getpgrp(),SIGTERM);
 122                 sleep(1);
 123                 kill(0-getpgrp(),SIGKILL);
 124                 }
 125
 126         sttybbs(SB_RESTORE);            /* return the old terminal settings */
 127         exit(code);                     /* exit with the proper exit code */
 128         }
 129
 130
 131
 132 /*
 133  * We handle "next" and "stop" much differently than in earlier versions.
 134  * The signal catching routine simply sets a flag and returns.
 135  */
 136 void sighandler(int which_sig)
 137 {
 138         signal(SIGINT,SIG_IGN);
 139         signal(SIGQUIT,SIG_IGN);
 140         sigcaught = which_sig;
 141         return;
 142         }
 143
 144
 145 /*
 146  * signal catching function for hangups...
 147  */
 148 void dropcarr(int signum) {
 149         logoff(SIGHUP);
 150         }
 151
 152
 153
 154 /*
 155  * catch SIGCONT to reset terminal modes when were are put back into the
 156  * foreground.
 157  */
 158 void catch_sigcont(int signum) {
 159         sttybbs(SB_LAST);
 160         }
 161
 162
 163
 164 /* general purpose routines */
 165
 166 void formout(char *name) /* display a file */
 167
 168         {
 169         char cmd[256];
 170         snprintf(cmd,sizeof cmd,"MESG %s",name);
 171         serv_puts(cmd);
 172         serv_gets(cmd);
 173         if (cmd[0]!='1') {
 174                 printf("%s\n",&cmd[4]);
 175                 return;
 176                 }
 177         fmout(screenwidth,NULL,
 178                 ((userflags & US_PAGINATOR) ? 1 : 0),
 179                 screenheight,1,1);
 180         }
 181
 182
 183 void userlist(void) {
 184         char buf[256];
 185         char fl[256];
 186         struct tm *tmbuf;
 187         time_t lc;
 188         int linecount = 2;
 189
 190         serv_puts("LIST");
 191         serv_gets(buf);
 192         if (buf[0]!='1') {
 193                 printf("%s\n",&buf[4]);
 194                 return;
 195                 }
 196         sigcaught = 0;
 197         sttybbs(SB_YES_INTR);
 198         printf("       User Name           Num  L  LastCall  Calls Posts\n");
 199         printf("------------------------- ----- - ---------- ----- -----\n");
 200         while (serv_gets(buf), strcmp(buf,"000")) {
 201                 if (sigcaught == 0) {
 202                         extract(fl,buf,0);
 203                         printf("%-25s ",fl);
 204                         printf("%5ld %d ",extract_long(buf,2),
 205                                 extract_int(buf,1));
 206                         lc = extract_long(buf,3);
 207                         tmbuf = (struct tm *)localtime(&lc);
 208                         printf("%02d/%02d/%04d ",
 209                                 (tmbuf->tm_mon+1),
 210                                 tmbuf->tm_mday,
 211                                 (tmbuf->tm_year + 1900));
 212                         printf("%5ld %5ld\n",extract_long(buf,4),extract_long(buf,5));
 213
 214                         ++linecount;
 215                         linecount = checkpagin(linecount,
 216                                 ((userflags & US_PAGINATOR) ? 1 : 0),
 217                                 screenheight);
 218
 219                         }
 220                 }
 221         sttybbs(SB_NO_INTR);
 222         printf("\n");
 223         }
 224
 225
 226 /*
 227  * grab assorted info about the user...
 228  */
 229 void load_user_info(char *params)
 230 {
 231         extract(fullname,params,0);
 232         axlevel = extract_int(params,1);
 233         timescalled = extract_int(params,2);
 234         posted = extract_int(params,3);
 235         userflags = extract_int(params,4);
 236         usernum = extract_long(params,5);
 237         }
 238
 239
 240 /*
 241  * Remove a room from the march list.  'floornum' is ignored unless
 242  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 243  * floor will be removed from the march list.
 244  */
 245 void remove_march(char *roomname, int floornum)
 246 {
 247         struct march *mptr,*mptr2;
 248
 249         if (march==NULL) return;
 250
 251         if ( (!strucmp(march->march_name,roomname))
 252          || ((!strucmp(roomname,"_FLOOR_"))&&(march->march_floor==floornum))) {
 253                 mptr = march->next;
 254                 free(march);
 255                 march = mptr;
 256                 return;
 257                 }
 258
 259         mptr2 = march;
 260         for (mptr=march; mptr!=NULL; mptr=mptr->next) {
 261
 262                 if ( (!strucmp(mptr->march_name,roomname))
 263                    || ((!strucmp(roomname,"_FLOOR_"))
 264                         &&(mptr->march_floor==floornum))) {
 265
 266                         mptr2->next = mptr->next;
 267                         free(mptr);
 268                         mptr=mptr2;
 269                         }
 270                 else {
 271                         mptr2=mptr;
 272                         }
 273                 }
 274         }
 275
 276
 277 /*
 278  * Locate the room on the march list which we most want to go to
 279  */
 280 char *pop_march(int desired_floor) {
 281         static char TheRoom[ROOMNAMELEN];
 282         int TheFloor = 0;
 283         int TheOrder = 32767;
 284         struct march *mptr = NULL;
 285
 286         strcpy(TheRoom, "_BASEROOM_");
 287         if (march == NULL) return(TheRoom);
 288
 289         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 290                 if ((strcasecmp(mptr->march_name, "_BASEROOM_"))
 291                    &&(!strcasecmp(TheRoom, "_BASEROOM_"))) {
 292                         strcpy(TheRoom, mptr->march_name);
 293                         TheFloor = mptr->march_floor;
 294                         TheOrder = mptr->march_order;
 295                         }
 296                 else if ( (mptr->march_floor == desired_floor)
 297                    && (TheFloor != desired_floor)
 298                    && (strcasecmp(mptr->march_name, "_BASEROOM_")) ) {
 299                         strcpy(TheRoom, mptr->march_name);
 300                         TheFloor = mptr->march_floor;
 301                         TheOrder = mptr->march_order;
 302                         }
 303                 else if ((mptr->march_floor < TheFloor)
 304                      && (strcasecmp(mptr->march_name, "_BASEROOM_")) ) {
 305                         strcpy(TheRoom, mptr->march_name);
 306                         TheFloor = mptr->march_floor;
 307                         TheOrder = mptr->march_order;
 308                         }
 309                 else if ((mptr->march_order < TheOrder)
 310                      && (strcasecmp(mptr->march_name, "_BASEROOM_")) ) {
 311                         strcpy(TheRoom, mptr->march_name);
 312                         TheFloor = mptr->march_floor;
 313                         TheOrder = mptr->march_order;
 314                         }
 315                 }
 316         return(TheRoom);
 317         }
 318
 319
 320 /*
 321  * jump directly to a room
 322  */
 323 void dotgoto(char *towhere, int display_name)
 324 {
 325         char aaa[256],bbb[256],psearch[256];
 326         static long ls = 0L;
 327         int newmailcount;
 328         static int oldmailcount = (-1);
 329         int partial_match,best_match;
 330         char from_floor;
 331
 332         /* store ungoto information */
 333         strcpy(ugname,room_name);
 334         uglsn = ls;
 335
 336         /* first try an exact match */
 337         snprintf(aaa,sizeof aaa,"GOTO %s",towhere);
 338         serv_puts(aaa);
 339         serv_gets(aaa);
 340         if (aaa[3]=='*') express_msgs = 1;
 341         if (!strncmp(aaa,"54",2)) {
 342                 newprompt("Enter room password: ",bbb,9);
 343                 snprintf(aaa,sizeof aaa,"GOTO %s|%s",towhere,bbb);
 344                 serv_puts(aaa);
 345                 serv_gets(aaa);
 346                 if (aaa[3]=='*') express_msgs = 1;
 347                 }
 348         if (!strncmp(aaa,"54",2)) {
 349                 printf("Wrong password.\n");
 350                 return;
 351                 }
 352
 353
 354         /*
 355          * If a match is not found, try a partial match.
 356          * Partial matches anywhere in the string carry a weight of 1,
 357          * left-aligned matches carry a weight of 2.  Pick the room that
 358          * has the highest-weighted match.
 359          */
 360         if (aaa[0]!='2') {
 361                 best_match = 0;
 362                 strcpy(bbb,"");
 363                 serv_puts("LKRA");
 364                 serv_gets(aaa);
 365                 if (aaa[0]=='1') while (serv_gets(aaa), strcmp(aaa,"000")) {
 366                         extract(psearch,aaa,0);
 367                         partial_match = 0;
 368                         if (pattern(psearch,towhere)>=0) {
 369                                 partial_match = 1;
 370                                 }
 371                         if (!struncmp(towhere,psearch,strlen(towhere))) {
 372                                 partial_match = 2;
 373                                 }
 374                         if (partial_match > best_match) {
 375                                 strcpy(bbb,psearch);
 376                                 best_match = partial_match;
 377                                 }
 378                         }
 379                 if (strlen(bbb)==0) {
 380                         printf("No room '%s'.\n",towhere);
 381                         return;
 382                         }
 383                 snprintf(aaa,sizeof aaa,"GOTO %s",bbb);
 384                 serv_puts(aaa);
 385                 serv_gets(aaa);
 386                 if (aaa[3]=='*') express_msgs = 1;
 387                 }
 388
 389         if (aaa[0]!='2') {
 390                 printf("%s\n",aaa);
 391                 return;
 392                 }
 393
 394         extract(room_name,&aaa[4],0);
 395         room_flags = extract_int(&aaa[4],4);
 396         from_floor = curr_floor;
 397         curr_floor = extract_int(&aaa[4],10);
 398
 399         remove_march(room_name,0);
 400         if (!strucmp(towhere,"_BASEROOM_")) remove_march(towhere,0);
 401         if ((from_floor!=curr_floor) && (display_name>0) && (floor_mode==1)) {
 402                 if (floorlist[(int)curr_floor][0]==0) load_floorlist();
 403                 printf("(Entering floor: %s)\n",&floorlist[(int)curr_floor][0]);
 404                 }
 405         if (display_name == 1) printf("%s - ",room_name);
 406         if (display_name != 2) printf("%d new of %d messages.\n",
 407                 extract_int(&aaa[4],1),
 408                 extract_int(&aaa[4],2));
 409         highest_msg_read = extract_int(&aaa[4],6);
 410         maxmsgnum = extract_int(&aaa[4],5);
 411         is_mail = (char) extract_int(&aaa[4],7);
 412         is_room_aide = (char) extract_int(&aaa[4],8);
 413         ls = extract_long(&aaa[4],6);
 414
 415         /* read info file if necessary */
 416         if (extract_int(&aaa[4],3) > 0) readinfo();
 417
 418         /* check for newly arrived mail if we can */
 419         if (num_parms(&aaa[4])>=10) {
 420                 newmailcount = extract_int(&aaa[4],9);
 421                 if ( (oldmailcount >= 0) && (newmailcount > oldmailcount) )
 422                         printf("*** You have new mail\n");
 423                 oldmailcount = newmailcount;
 424                 }
 425         }
 426
 427 /* Goto next room having unread messages.
 428  * We want to skip over rooms that the user has already been to, and take the
 429  * user back to the lobby when done.  The room we end up in is placed in
 430  * newroom - which is set to 0 (the lobby) initially.
 431  */
 432 void gotonext(void) {
 433         char buf[256];
 434         struct march *mptr,*mptr2;
 435         char next_room[32];
 436
 437         /* Check to see if the march-mode list is already allocated.
 438          * If it is, pop the first room off the list and go there.
 439          */
 440         if (march==NULL) {
 441                 serv_puts("LKRN");
 442                 serv_gets(buf);
 443                 if (buf[0]=='1')
 444                     while (serv_gets(buf), strcmp(buf,"000")) {
 445                         mptr = (struct march *) malloc(sizeof(struct march));
 446                         mptr->next = NULL;
 447                         extract(mptr->march_name,buf,0);
 448                         mptr->march_floor = (char) (extract_int(buf,2) & 0x7F);
 449                         mptr->march_order = (char) (extract_int(buf,3) & 0x7F);
 450                         if (march==NULL) {
 451                                 march = mptr;
 452                                 }
 453                         else {
 454                                 mptr2 = march;
 455                                 while (mptr2->next != NULL)
 456                                         mptr2 = mptr2->next;
 457                                 mptr2->next = mptr;
 458                                 }
 459                         }
 460
 461 /* add _BASEROOM_ to the end of the march list, so the user will end up
 462  * in the system base room (usually the Lobby>) at the end of the loop
 463  */
 464                 mptr = (struct march *) malloc(sizeof(struct march));
 465                 mptr->next = NULL;
 466                 strcpy(mptr->march_name,"_BASEROOM_");
 467                 if (march==NULL) {
 468                         march = mptr;
 469                         }
 470                 else {
 471                         mptr2 = march;
 472                         while (mptr2->next != NULL)
 473                                 mptr2 = mptr2->next;
 474                         mptr2->next = mptr;
 475                         }
 476 /*
 477  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 478  * walk around in circles
 479  */
 480                 remove_march(room_name,0);
 481                 }
 482
 483         if (march!=NULL) {
 484                 strcpy(next_room, pop_march(curr_floor));
 485                 }
 486         else {
 487                 strcpy(next_room,"_BASEROOM_");
 488                 }
 489         remove_march(next_room,0);
 490         dotgoto(next_room,1);
 491    }
 492
 493 /*
 494  * forget all rooms on a given floor
 495  */
 496 void forget_all_rooms_on(int ffloor)
 497 {
 498         char buf[256];
 499         struct march *flist,*fptr;
 500
 501         printf("Forgetting all rooms on %s...\r",&floorlist[ffloor][0]);
 502         fflush(stdout);
 503         snprintf(buf,sizeof buf,"LKRA %d",ffloor);
 504         serv_puts(buf);
 505         serv_gets(buf);
 506         if (buf[0]!='1') {
 507                 printf("%-72s\n",&buf[4]);
 508                 return;
 509                 }
 510         flist = NULL;
 511         while (serv_gets(buf), strcmp(buf,"000")) {
 512                 fptr = (struct march *) malloc(sizeof(struct march));
 513                 fptr->next = flist;
 514                 flist = fptr;
 515                 extract(fptr->march_name,buf,0);
 516                 }
 517         while (flist != NULL) {
 518                 snprintf(buf,sizeof buf,"GOTO %s",flist->march_name);
 519                 serv_puts(buf);
 520                 serv_gets(buf);
 521                 if (buf[0]=='2') {
 522                         serv_puts("FORG");
 523                         serv_gets(buf);
 524                         }
 525                 fptr = flist;
 526                 flist = flist->next;
 527                 free(fptr);
 528                 }
 529         printf("%-72s\r","");
 530         }
 531
 532
 533 /*
 534  * routine called by gotofloor() to move to a new room on a new floor
 535  */
 536 void gf_toroom(char *towhere, int mode)
 537 {
 538         int floor_being_left;
 539
 540         floor_being_left = curr_floor;
 541
 542         if (mode == GF_GOTO) {          /* <;G>oto mode */
 543                 updatels();
 544                 dotgoto(towhere,1);
 545                 }
 546
 547         if (mode == GF_SKIP) {          /* <;S>kip mode */
 548                 dotgoto(towhere,1);
 549                 remove_march("_FLOOR_",floor_being_left);
 550                 }
 551
 552         if (mode == GF_ZAP) {           /* <;Z>ap mode */
 553                 dotgoto(towhere,1);
 554                 remove_march("_FLOOR_",floor_being_left);
 555                 forget_all_rooms_on(floor_being_left);
 556                 }
 557         }
 558
 559
 560 /*
 561  * go to a new floor
 562  */
 563 void gotofloor(char *towhere, int mode)
 564 {
 565         int a,tofloor;
 566         struct march *mptr;
 567         char buf[256],targ[256];
 568
 569         if (floorlist[0][0]==0) load_floorlist();
 570         tofloor = (-1);
 571         for (a=0; a<128; ++a) if (!strucmp(&floorlist[a][0],towhere))
 572                 tofloor = a;
 573
 574         if (tofloor<0) {
 575                 for (a=0; a<128; ++a) {
 576                     if (!struncmp(&floorlist[a][0],towhere,strlen(towhere))) {
 577                         tofloor = a;
 578                         }
 579                     }
 580                 }
 581
 582         if (tofloor<0) {
 583                 for (a=0; a<128; ++a)
 584                     if (pattern(towhere,&floorlist[a][0])>0)
 585                         tofloor = a;
 586                 }
 587
 588         if (tofloor<0) {
 589                 printf("No floor '%s'.\n",towhere);
 590                 return;
 591                 }
 592
 593         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 594                 if ((mptr->march_floor) == tofloor)
 595                         gf_toroom(mptr->march_name,mode);
 596                         return;
 597                 }
 598
 599         strcpy(targ,"");
 600         snprintf(buf,sizeof buf,"LKRA %d",tofloor);
 601         serv_puts(buf);
 602         serv_gets(buf);
 603         if (buf[0]=='1') while (serv_gets(buf), strcmp(buf,"000")) {
 604                 if ((extract_int(buf,2)==tofloor)&&(strlen(targ)==0))
 605                          extract(targ,buf,0);
 606                 }
 607         if (strlen(targ)>0) {
 608                 gf_toroom(targ,mode);
 609                 }
 610         else {
 611                 printf("There are no rooms on '%s'.\n",&floorlist[tofloor][0]);
 612                 }
 613         }
 614
 615
 616 /*
 617  * forget all rooms on current floor
 618  */
 619 void forget_this_floor(void) {
 620
 621         if (curr_floor == 0) {
 622                 printf("Can't forget this floor.\n");
 623                 return;
 624                 }
 625
 626         if (floorlist[0][0]==0) load_floorlist();
 627         printf("Are you sure you want to forget all rooms on %s? ",
 628                 &floorlist[(int)curr_floor][0]);
 629         if (yesno()==0) return;
 630
 631         gf_toroom("_BASEROOM_",GF_ZAP);
 632         }
 633
 634
 635 /*
 636  * Figure out the physical screen dimensions, if we can
 637  */
 638 void check_screen_dims(void) {
 639 #ifdef TIOCGWINSZ
 640         struct {
 641                 unsigned short height;          /* rows */
 642                 unsigned short width;           /* columns */
 643                 unsigned short xpixels;
 644                 unsigned short ypixels;         /* pixels */
 645         } xwinsz;
 646
 647         if (have_xterm) {       /* dynamically size screen if on an xterm */
 648                 if ( ioctl(0, TIOCGWINSZ, &xwinsz) == 0 ) {
 649                         if (xwinsz.height) screenheight = (int) xwinsz.height;
 650                         if (xwinsz.width) screenwidth = (int) xwinsz.width;
 651                         }
 652                 }
 653 #endif
 654         }
 655
 656
 657 /*
 658  * set floor mode depending on client, server, and user settings
 659  */
 660 void set_floor_mode(void) {
 661         if (serv_info.serv_ok_floors == 0) {
 662                 floor_mode = 0;         /* Don't use floors if the server */
 663                 }                       /* doesn't support them!          */
 664         else {
 665                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 666                         floor_mode = 0;
 667                         }
 668                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 669                         floor_mode = 1;
 670                         }
 671                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 672                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 673                         }
 674                 }
 675         }
 676
 677 /*
 678  * Set or change the user's password
 679  */
 680 int set_password(void) {
 681         char pass1[20];
 682         char pass2[20];
 683         char buf[256];
 684
 685         if (strlen(rc_password) > 0) {
 686                 strcpy(pass1,rc_password);
 687                 strcpy(pass2,rc_password);
 688                 }
 689         else {
 690                 IFNEXPERT formout("changepw");
 691                 newprompt("Enter a new password: ", pass1, -19);
 692                 newprompt("Enter it again to confirm: ", pass2, -19);
 693                 }
 694         if (!strucmp(pass1,pass2)) {
 695                 snprintf(buf,sizeof buf,"SETP %s",pass1);
 696                 serv_puts(buf);
 697                 serv_gets(buf);
 698                 printf("%s\n",&buf[4]);
 699                 strcpy(re_password, pass1);
 700                 return(0);
 701                 }
 702         else {
 703                 printf("*** They don't match... try again.\n");
 704                 return(1);
 705                 }
 706         }
 707
 708
 709
 710 /*
 711  * get info about the server we've connected to
 712  */
 713 void get_serv_info(void) {
 714         char buf[256];
 715
 716         CtdlInternalGetServInfo(&serv_info);
 717
 718         /* be nice and identify ourself to the server */
 719         snprintf(buf,sizeof buf,"IDEN %d|%d|%d|%s|",
 720                 SERVER_TYPE,0,REV_LEVEL,
 721                 (server_is_local ? "local" : CITADEL));
 722         locate_host(&buf[strlen(buf)]); /* append to the end */
 723         serv_puts(buf);
 724         serv_gets(buf); /* we don't care about the result code */
 725         }
 726
 727
 728
 729
 730
 731 /*
 732  * Display list of users currently logged on to the server
 733  */
 734 void who_is_online(int longlist)
 735 {
 736         char buf[128], username[128], roomname[128], fromhost[128], flags[128];
 737         char tbuf[128], clientsoft[128];
 738         time_t timenow=0;
 739         time_t idletime, idlehours, idlemins, idlesecs;
 740         int last_session = (-1);
 741
 742         if (longlist)
 743         {
 744            serv_puts("TIME");
 745            serv_gets(tbuf);
 746            if (tbuf[0] == '2') {
 747                 timenow = extract_long(&tbuf[4], 0);
 748                 }
 749            else {
 750                 time(&timenow);
 751                 }
 752         }
 753         else {
 754         color(3);
 755         printf("FLG ###        User Name                 Room                 From host\n");
 756         color(6);
 757         printf("--- --- ------------------------- -------------------- ------------------------\n");
 758                 }
 759         serv_puts("RWHO");
 760         serv_gets(buf);
 761         if (buf[0]=='1')
 762         {
 763                 while(serv_gets(buf), strcmp(buf,"000"))
 764                 {
 765                         extract(username,buf,1);
 766                         extract(roomname,buf,2);
 767                         extract(fromhost,buf,3);
 768                         extract(clientsoft, buf, 4);
 769                         extract(flags,buf,7);
 770
 771                         if (longlist) {
 772                                 idletime = timenow - extract_long(buf, 5);
 773                                 idlehours = idletime / 3600;
 774                                 idlemins = (idletime - (idlehours*3600)) / 60;
 775                                 idlesecs = (idletime - (idlehours*3600) - (idlemins*60) );
 776                                 printf("\nFlags: %-3s  Sess# %-3d  Name: %-25s  Room: %s\n",
 777                                         flags, extract_int(buf,0), username, roomname);
 778                                 printf("from <%s> using <%s>, idle %ld:%02ld:%02ld\n",
 779                                         fromhost, clientsoft,
 780                                         (long)idlehours, (long)idlemins, (long)idlesecs);
 781
 782                                 }
 783                         else {
 784                                 if (extract_int(buf,0)==last_session) {
 785                                         printf("        ");
 786                                         }
 787                                 else {
 788                                         color(1); printf("%-3s ", flags);
 789                                         color(2); printf("%-3d ", extract_int(buf,0));
 790                                         }
 791                                 last_session=extract_int(buf,0);
 792                                 color(3); printf("%-25s ", username);
 793                                 color(4); printf("%-20s ", roomname);
 794                                 color(5); printf("%-24s\n", fromhost);
 795                                 color(7);
 796                                 }
 797                         }
 798                 }
 799         }
 800
 801 void enternew(char *desc, char *buf, int maxlen)
 802 {
 803    char bbb[128];
 804    snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 805    newprompt(bbb, buf, maxlen);
 806 }
 807
 808 /*
 809  * main
 810  */
 811 int main(int argc, char **argv)
 812 {
 813 int a,b,mcmd;
 814 char aaa[100],bbb[100],eee[100];                /* general purpose variables */
 815 char argbuf[32];                                /* command line buf */
 816 int termn8 = 0;
 817
 818
 819 sttybbs(SB_SAVE);               /* Store the old terminal parameters */
 820 load_command_set();             /* parse the citadel.rc file */
 821 sttybbs(SB_NO_INTR);            /* Install the new ones */
 822 signal(SIGINT,SIG_IGN);
 823 signal(SIGQUIT,SIG_IGN);
 824 signal(SIGHUP,dropcarr);        /* Cleanup gracefully if carrier is dropped */
 825 signal(SIGTERM,dropcarr);       /* Cleanup gracefully if terminated */
 826 signal(SIGCONT,catch_sigcont);  /* Catch SIGCONT so we can reset terminal */
 827
 828 printf("Attaching to server...\r");
 829 fflush(stdout);
 830 attach_to_server(argc,argv);
 831
 832 send_ansi_detect();
 833
 834 serv_gets(aaa);
 835 if (aaa[0]!='2') {
 836         printf("%s\n",&aaa[4]);
 837         logoff(atoi(aaa));
 838         }
 839 get_serv_info();
 840
 841 look_for_ansi();
 842 cls(0);
 843 color(7);
 844
 845 printf("%-22s\n%s\n%s\n",serv_info.serv_software,serv_info.serv_humannode,
 846         serv_info.serv_bbs_city);
 847 screenwidth = 80;               /* default screen dimensions */
 848 screenheight = 24;
 849
 850 printf(" pause    next    stop\n");
 851 printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
 852 formout("hello");               /* print the opening greeting */
 853 printf("\n");
 854
 855 GSTA:   termn8=0; newnow=0;
 856         do {
 857                 if (strlen(rc_username) > 0) {
 858                         strcpy(fullname,rc_username);
 859                         }
 860                 else {
 861                         newprompt("Enter your name: ",fullname,29);
 862                         }
 863                 strproc(fullname);
 864                 if (!strucmp(fullname,"new")) {         /* just in case */
 865                    printf("Please enter the name you wish to log in with.\n");
 866                    }
 867                 } while(
 868                         (!strucmp(fullname,"bbs"))
 869                         || (!strucmp(fullname,"new"))
 870                         || (strlen(fullname)==0) );
 871
 872         if (!strucmp(fullname,"off")) {
 873                 mcmd=29;
 874                 goto TERMN8;
 875                 }
 876
 877         /* sign on to the server */
 878         strcpy(re_username, fullname);
 879         snprintf(aaa,sizeof aaa,"USER %s",fullname);
 880         serv_puts(aaa);
 881         serv_gets(aaa);
 882         if (aaa[0]!='3') goto NEWUSR;
 883
 884         /* password authentication */
 885         if (strlen(rc_password)>0) {
 886                 strcpy(eee,rc_password);
 887                 }
 888         else {
 889                 newprompt("\rPlease enter your password: ",eee,-19);
 890                 }
 891         strproc(eee);
 892         snprintf(aaa,sizeof aaa,"PASS %s",eee);
 893         serv_puts(aaa);
 894         serv_gets(aaa);
 895         if (aaa[0]=='2') {
 896                 strcpy(re_password, eee);
 897                 load_user_info(&aaa[4]);
 898                 goto PWOK;
 899                 }
 900
 901         printf("<< wrong password >>\n");
 902         if (strlen(rc_password)>0) logoff(0);
 903         goto GSTA;
 904
 905 NEWUSR: if (strlen(rc_password)==0) {
 906                 printf("No record. Enter as new user? ");
 907                 if (yesno()==0) goto GSTA;
 908                 }
 909
 910         snprintf(aaa,sizeof aaa,"NEWU %s",fullname);
 911         serv_puts(aaa);
 912         serv_gets(aaa);
 913         if (aaa[0]!='2') {
 914                 printf("%s\n",aaa);
 915                 goto GSTA;
 916                 }
 917         load_user_info(&aaa[4]);
 918
 919         while (set_password() != 0) ;;
 920         newnow=1;
 921
 922         enter_config(1);
 923
 924
 925 PWOK:   printf("%s\nAccess level: %d (%s)\nUser #%ld / Call #%d\n",
 926                 fullname,axlevel,axdefs[(int)axlevel],
 927                 usernum,timescalled);
 928
 929         serv_puts("CHEK");
 930         serv_gets(aaa);
 931         if (aaa[0]=='2') {
 932                 b = extract_int(&aaa[4],0);
 933                 if (b==1) printf("*** You have a new private message in Mail>\n");
 934                 if (b>1)  printf("*** You have %d new private messages in Mail>\n",b);
 935
 936                 if ((axlevel>=6) && (extract_int(&aaa[4],2)>0)) {
 937                         printf("*** Users need validation\n");
 938                         }
 939
 940                 if (extract_int(&aaa[4],1)>0) {
 941                         printf("*** Please register.\n");
 942                         formout("register");
 943                         entregis();
 944                         }
 945                 }
 946
 947         /* Make up some temporary filenames for use in various parts of the
 948          * program.  Don't mess with these once they've been set, because we
 949          * will be unlinking them later on in the program and we don't
 950          * want to delete something that we didn't create. */
 951         snprintf(temp,sizeof temp,"/tmp/citA%d",getpid());
 952         snprintf(temp2,sizeof temp2,"/tmp/citB%d",getpid());
 953         snprintf(tempdir,sizeof tempdir,"/tmp/citC%d",getpid());
 954
 955         /* Get screen dimensions.  First we go to a default of 80x24.  Then
 956          * we try to get the user's actual screen dimensions off the server.
 957          * However, if we're running on an xterm, all this stuff is
 958          * irrelevant because we're going to dynamically size the screen
 959          * during the session.
 960          */
 961         screenwidth = 80;
 962         screenheight = 24;
 963         serv_puts("GETU");
 964         serv_gets(aaa);
 965         if (aaa[0]=='2') {
 966                 screenwidth = extract_int(&aaa[4],0);
 967                 screenheight = extract_int(&aaa[4],1);
 968                 }
 969         if (getenv("TERM")!=NULL) if (!strcmp(getenv("TERM"),"xterm")) {
 970                 have_xterm = 1;
 971                 }
 972 #ifdef TIOCGWINSZ
 973         check_screen_dims();
 974 #endif
 975
 976         set_floor_mode();
 977
 978
 979         /* Enter the lobby */
 980         dotgoto("_BASEROOM_",1);
 981
 982 /* Main loop for the system... user is logged in. */
 983         strcpy(ugname,"");
 984         uglsn = 0L;
 985
 986         if (newnow==1)  readmsgs(3,1,5);
 987                 else    readmsgs(1,1,0);
 988
 989 do {    /* MAIN LOOP OF PROGRAM */
 990
 991         /* Reconnect to the server if the connection was broken */
 992         if (setjmp(jmp_reconnect)) {
 993                 printf("\rServer connection broken; reconnecting...\r");
 994                 fflush(stdout);
 995                 attach_to_server(argc,argv);
 996                 printf("                                         \r");
 997                 fflush(stdout);
 998                 serv_gets(aaa);
 999                 if (aaa[0]!='2') { printf("%s\n", &aaa[4]); exit(0); }
1000                 get_serv_info();
1001                 sprintf(aaa, "USER %s", re_username);
1002                 serv_puts(aaa);
1003                 serv_gets(aaa);
1004                 if (aaa[0]!='3') { printf("%s\n", &aaa[4]); exit(0); }
1005                 sprintf(aaa, "PASS %s", re_password);
1006                 serv_puts(aaa);
1007                 serv_gets(aaa);
1008                 if (aaa[0]!='2') { printf("%s\n", &aaa[4]); exit(0); }
1009                 load_user_info(&aaa[4]);
1010                 sprintf(aaa, "GOTO %s", room_name);
1011                 serv_puts(aaa);
1012                 serv_gets(aaa);
1013                 }
1014         signal(SIGPIPE, sigpipehandler);
1015
1016         signal(SIGINT,SIG_IGN);
1017         signal(SIGQUIT,SIG_IGN);
1018         mcmd=getcmd(argbuf);
1019
1020 #ifdef TIOCGWINSZ
1021         check_screen_dims();
1022 #endif
1023
1024         if (termn8==0) switch(mcmd) {
1025            case 1:      formout("help");
1026                         break;
1027            case 4:      entmsg(0,0);
1028                         break;
1029            case 36:     entmsg(0,1);
1030                         break;
1031            case 46:     entmsg(0,2);
1032                         break;
1033            case 78:     newprompt("What do you want your username to be? ", aaa, 32);
1034                         snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1035                         serv_puts(bbb);
1036                         serv_gets(aaa);
1037                         if (strncmp("200", aaa, 3))
1038                            printf("\n%s\n", aaa);
1039                         else
1040                            entmsg(0, 0);
1041                         break;
1042            case 5:      updatels();
1043                         gotonext();
1044                         break;
1045            case 47:     updatelsa();
1046                         gotonext();
1047                         break;
1048            case 58:     updatelsa();
1049                         dotgoto("_MAIL_",1);
1050                         break;
1051            case 20:     updatels();
1052            case 52:     dotgoto(argbuf,0);
1053                         break;
1054            case 10:     readmsgs(0,1,0);
1055                         break;
1056            case 9:      readmsgs(3,1,5);
1057                         break;
1058            case 13:     readmsgs(1,1,0);
1059                         break;
1060            case 11:     readmsgs(0,(-1),0);
1061                         break;
1062            case 12:     readmsgs(2,(-1),0);
1063                         break;
1064            case 71:     readmsgs(3, 1, atoi(argbuf));
1065                         break;
1066            case 7:      forget();       break;
1067            case 18:     subshell();     break;
1068            case 38:     updatels();
1069                         entroom();      break;
1070            case 22:     killroom();     break;
1071            case 32:     userlist();     break;
1072            case 27:     invite();       break;
1073            case 28:     kickout();      break;
1074            case 23:     editthisroom(); break;
1075            case 14:     roomdir();      break;
1076            case 33:     download(0);    break;
1077            case 34:     download(1);    break;
1078            case 31:     download(2);    break;
1079            case 43:     download(3);    break;
1080            case 45:     download(4);    break;
1081            case 55:     download(5);    break;
1082            case 39:     upload(0);      break;
1083            case 40:     upload(1);      break;
1084            case 42:     upload(2);      break;
1085            case 44:     upload(3);      break;
1086            case 57:     cli_upload();   break;
1087            case 16:     ungoto();       break;
1088            case 24:     whoknows();     break;
1089            case 26:     validate();     break;
1090            case 29:     updatels();
1091                         termn8=1;
1092                         break;
1093            case 30:     updatels();
1094                         termn8=1;
1095                         break;
1096            case 48:     enterinfo();
1097                         break;
1098            case 49:     readinfo();
1099                         break;
1100            case 72:     cli_image_upload("_userpic_");
1101                         break;
1102            case 73:     cli_image_upload("_roompic_");
1103                         break;
1104
1105 case 74:
1106         snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1107         cli_image_upload(aaa);
1108         break;
1109
1110 case 75:
1111         enternew("roomname", aaa, 20);
1112         snprintf(bbb, sizeof bbb, "RCHG %s", aaa);
1113         serv_puts(bbb);
1114         serv_gets(aaa);
1115         if (strncmp("200",aaa, 3))
1116            printf("\n%s\n", aaa);
1117         break;
1118 case 76:
1119         enternew("hostname", aaa, 25);
1120         snprintf(bbb, sizeof bbb, "HCHG %s", aaa);
1121         serv_puts(bbb);
1122         serv_gets(aaa);
1123         if (strncmp("200",aaa, 3))
1124            printf("\n%s\n", aaa);
1125         break;
1126 case 77:
1127         enternew("username", aaa, 32);
1128         snprintf(bbb, sizeof bbb, "UCHG %s", aaa);
1129         serv_puts(bbb);
1130         serv_gets(aaa);
1131         if (strncmp("200",aaa, 3))
1132            printf("\n%s\n", aaa);
1133         break;
1134
1135 case 35:
1136         set_password();
1137         break;
1138
1139 case 21:
1140         if (argbuf[0]==0) strcpy(aaa,"?");
1141         display_help(argbuf);
1142         break;
1143
1144 case 41:
1145         formout("register");
1146         entregis();
1147         break;
1148
1149 case 15:
1150         printf("Are you sure (y/n)? ");
1151         if (yesno()==1) {
1152                 updatels();
1153                 a=0;
1154                 termn8=1;
1155                 }
1156         break;
1157
1158 case 6:
1159         gotonext();
1160         break;
1161
1162 case 3: chatmode();
1163         break;
1164
1165 case 2: if (server_is_local) {
1166                 sttybbs(SB_RESTORE);
1167                 snprintf(aaa,sizeof aaa,"USERNAME=\042%s\042; export USERNAME;"
1168                         "exec ./subsystem %ld %d %d", fullname,
1169                         usernum,screenwidth,axlevel);
1170                 ka_system(aaa);
1171                 sttybbs(SB_NO_INTR);
1172                 }
1173         else {
1174                 printf("*** Can't run doors when server is not local.\n");
1175                 }
1176         break;
1177
1178 case 17:
1179         who_is_online(0);
1180         break;
1181
1182 case 79:
1183         who_is_online(1);
1184         break;
1185
1186 case 80:
1187         do_system_configuration();
1188         break;
1189
1190 case 50:
1191         enter_config(2);
1192         break;
1193
1194 case 37:
1195         enter_config(0);
1196         set_floor_mode();
1197         break;
1198
1199 case 59:
1200         enter_config(3);
1201         set_floor_mode();
1202         break;
1203
1204 case 60:
1205         gotofloor(argbuf,GF_GOTO);
1206         break;
1207
1208 case 61:
1209         gotofloor(argbuf,GF_SKIP);
1210         break;
1211
1212 case 62:
1213         forget_this_floor();
1214         break;
1215
1216 case 63:
1217         create_floor();
1218         break;
1219
1220 case 64:
1221         edit_floor();
1222         break;
1223
1224 case 65:
1225         kill_floor();
1226         break;
1227
1228 case 66:
1229         enter_bio();
1230         break;
1231
1232 case 67:
1233         read_bio();
1234         break;
1235
1236 case 25:
1237         edituser();
1238         break;
1239
1240 case 8:
1241         knrooms(floor_mode);
1242         printf("\n");
1243         break;
1244
1245 case 68:
1246         knrooms(2);
1247         printf("\n");
1248         break;
1249
1250 case 69:
1251         misc_server_cmd(argbuf);
1252         break;
1253
1254 case 70:
1255         edit_system_message(argbuf);
1256         break;
1257
1258 case 19:
1259         listzrooms();
1260         printf("\n");
1261         break;
1262
1263 case 51:
1264         deletefile();
1265         break;
1266
1267 case 53:
1268         netsendfile();
1269         break;
1270
1271 case 54:
1272         movefile();
1273         break;
1274
1275 case 56:
1276         page_user();
1277         break;
1278
1279         } /* end switch */
1280     } while(termn8==0);
1281
1282 TERMN8: printf("%s logged out.\n",fullname);
1283         while (march!=NULL) remove_march(march->march_name,0);
1284         if (mcmd==30)
1285                 printf("\n\nType 'off' to hang up, or next user...\n");
1286         snprintf(aaa,sizeof aaa,"LOUT");
1287         serv_puts(aaa);
1288         serv_gets(aaa);
1289         if ((mcmd==29)||(mcmd==15)) {
1290                 formout("goodbye");
1291                 logoff(0);
1292                 }
1293         goto GSTA;
1294
1295 } /* end main() */
1296