citadel/citserver.c

   1 /* $Id$ */
   2 #include <stdlib.h>
   3 #include <unistd.h>
   4 #include <stdio.h>
   5 #include <fcntl.h>
   6 #include <signal.h>
   7 #include <time.h>
   8 #include <ctype.h>
   9 #include <string.h>
  10 #include <errno.h>
  11 #include <limits.h>
  12 #include <pthread.h>
  13 #include <syslog.h>
  14 #include <dlfcn.h>
  15 #include "citadel.h"
  16 #include "server.h"
  17 #include "sysdep_decls.h"
  18 #include "citserver.h"
  19 #include "config.h"
  20 #include "database.h"
  21 #include "housekeeping.h"
  22 #include "user_ops.h"
  23 #include "logging.h"
  24 #include "support.h"
  25 #include "msgbase.h"
  26 #include "locate_host.h"
  27 #include "room_ops.h"
  28 #include "file_ops.h"
  29 #include "dynloader.h"
  30 #include "policy.h"
  31 #include "control.h"
  32
  33 struct CitContext *ContextList = NULL;
  34 int ScheduledShutdown = 0;
  35
  36 /*
  37  * Various things that need to be initialized at startup
  38  */
  39 void master_startup(void) {
  40         lprintf(7, "Opening databases\n");
  41         open_databases();
  42
  43         lprintf(7, "Checking floor reference counts\n");
  44         check_ref_counts();
  45
  46         lprintf(7, "Creating base rooms (if necessary)\n");
  47         create_room(BASEROOM, 0, "", 0);
  48         create_room(AIDEROOM, 4, "", 0);
  49         create_room(config.c_twitroom, 0, "", 0);
  50         }
  51
  52 /*
  53  * Cleanup routine to be called when the server is shutting down.
  54  */
  55 void master_cleanup(void) {
  56         struct CleanupFunctionHook *fcn;
  57
  58         /* Cancel all running sessions */
  59         lprintf(7, "Cancelling running sessions...\n");
  60         while (ContextList != NULL) {
  61                 kill_session(ContextList->cs_pid);
  62                 }
  63
  64         /* Run any cleanup routines registered by loadable modules */
  65         for (fcn = CleanupHookTable; fcn != NULL; fcn = fcn->next) {
  66                 (*fcn->h_function_pointer)();
  67                 }
  68
  69         /* Close databases */
  70         lprintf(7, "Closing databases\n");
  71         close_databases();
  72
  73         /* Do system-dependent stuff */
  74         sysdep_master_cleanup();
  75
  76         /* Now go away. */
  77         lprintf(3, "citserver: exiting.\n");
  78         fflush(stdout); fflush(stderr);
  79         exit(0);
  80         }
  81
  82
  83 /*
  84  * Gracefully terminate the session and thread.
  85  * (This is called as a cleanup handler by the thread library.)
  86  *
  87  * All NON-system-dependent stuff is done in this function.
  88  * System-dependent session/thread cleanup is in cleanup() in sysdep.c
  89  */
  90 void cleanup_stuff(void *arg)
  91 {
  92         struct ExpressMessage *emptr;
  93
  94         lprintf(9, "cleanup_stuff() called\n");
  95
  96         lprintf(7, "Calling logout(%d)\n", CC->cs_pid);
  97         logout(CC);
  98
  99         rec_log(CL_TERMINATE,CC->curr_user);
 100         unlink(CC->temp);
 101         lprintf(3, "citserver[%3d]: ended.\n",CC->cs_pid);
 102
 103         /* Run any cleanup routines registered by loadable modules */
 104         PerformSessionHooks(EVT_STOP);
 105
 106         syslog(LOG_NOTICE,"session %d ended", CC->cs_pid);
 107
 108         /* Deallocate any unsent express messages */
 109         begin_critical_section(S_SESSION_TABLE);
 110         while (CC->FirstExpressMessage != NULL) {
 111                 emptr = CC->FirstExpressMessage;
 112                 CC->FirstExpressMessage = CC->FirstExpressMessage->next;
 113                 free(emptr);
 114                 }
 115         end_critical_section(S_SESSION_TABLE);
 116
 117         /* Deallocate any message list we might have in memory */
 118         if (CC->msglist != NULL) free(CC->msglist);
 119
 120         /* Purge any stale user/room relationships */
 121         PurgeStaleRelationships();
 122
 123         /* Now get rid of the session and context */
 124         lprintf(7, "cleanup_stuff() calling RemoveContext(%d)\n", CC->cs_pid);
 125         RemoveContext(CC);
 126
 127         /* While we still have an extra thread with no user attached to it,
 128          * take the opportunity to do some housekeeping before exiting.
 129          */
 130         do_housekeeping();
 131         }
 132
 133
 134 /*
 135  * set_wtmpsupp()  -  alter the session listing
 136  */
 137 void set_wtmpsupp(char *newtext)
 138 {
 139         strncpy(CC->cs_room,newtext,sizeof CC->cs_room);
 140         CC->cs_room[sizeof CC->cs_room - 1] = 0;
 141         time(&CC->cs_lastupdt);
 142
 143         /* Run any routines registered by loadable modules */
 144         PerformSessionHooks(EVT_NEWROOM);
 145         }
 146
 147
 148 /*
 149  * cmd_info()  -  tell the client about this server
 150  */
 151 void cmd_info(void) {
 152         cprintf("%d Server info:\n",LISTING_FOLLOWS);
 153         cprintf("%d\n",CC->cs_pid);
 154         cprintf("%s\n",config.c_nodename);
 155         cprintf("%s\n",config.c_humannode);
 156         cprintf("%s\n",config.c_fqdn);
 157         cprintf("%s\n",CITADEL);
 158         cprintf("%d\n",REV_LEVEL);
 159         cprintf("%s\n",config.c_bbs_city);
 160         cprintf("%s\n",config.c_sysadm);
 161         cprintf("%d\n",SERVER_TYPE);
 162         cprintf("%s\n",config.c_moreprompt);
 163         cprintf("1\n"); /* 1 = yes, this system supports floors */
 164         cprintf("000\n");
 165         }
 166
 167 void cmd_rchg(char *newroomname)
 168 {
 169    if ((newroomname) && (newroomname[0]))
 170    {
 171       bzero(CC->fake_roomname, ROOMNAMELEN);
 172       strncpy(CC->fake_roomname, newroomname, ROOMNAMELEN-1);
 173    }
 174    else
 175       strcpy(CC->fake_roomname, "");
 176    cprintf("%d OK\n",OK);
 177 }
 178
 179 void cmd_hchg(char *newhostname)
 180 {
 181    if ((newhostname) && (newhostname[0]))
 182    {
 183       bzero(CC->fake_hostname, 25);
 184       strncpy(CC->fake_hostname, newhostname, 24);
 185    }
 186    else
 187       strcpy(CC->fake_hostname, "");
 188    cprintf("%d OK\n",OK);
 189 }
 190
 191 void cmd_uchg(char *newusername)
 192 {
 193    if (CC->usersupp.axlevel < 6)
 194    {
 195       cprintf("%d You must be an Aide to use UCHG.\n",
 196                 ERROR+HIGHER_ACCESS_REQUIRED);
 197       return;
 198    }
 199    if ((newusername) && (newusername[0]))
 200    {
 201       CC->cs_flags &= ~CS_STEALTH;
 202       bzero(CC->fake_username, 32);
 203       if (strncasecmp(newusername, CC->curr_user, strlen(CC->curr_user)))
 204          strncpy(CC->fake_username, newusername, 31);
 205    }
 206    else
 207    {
 208       CC->fake_username[0] = '\0';
 209       CC->cs_flags |= CS_STEALTH;
 210    }
 211    cprintf("%d\n",OK);
 212 }
 213
 214 /*
 215  * returns an asterisk if there are any express messages waiting,
 216  * space otherwise.
 217  */
 218 char check_express(void) {
 219         if (CC->FirstExpressMessage == NULL) {
 220                 return(' ');
 221                 }
 222         else {
 223                 return('*');
 224                 }
 225         }
 226
 227 void cmd_time(void)
 228 {
 229    time_t tv;
 230
 231    tv = time(NULL);
 232
 233    cprintf("%d %ld\n", OK, tv);
 234 }
 235
 236 /*
 237  * check a hostname against the public_clients file
 238  */
 239 int is_public_client(char *where)
 240 {
 241         char buf[256];
 242         FILE *fp;
 243
 244         if (!strcasecmp(where,"localhost")) return(1);
 245         if (!strcasecmp(where,config.c_fqdn)) return(1);
 246
 247         fp = fopen("public_clients","r");
 248         if (fp == NULL) return(0);
 249
 250         while (fgets(buf,256,fp)!=NULL) {
 251                 while (isspace((buf[strlen(buf)-1])))
 252                         buf[strlen(buf)-1] = 0;
 253                 if (!strcasecmp(buf,where)) {
 254                         fclose(fp);
 255                         return(1);
 256                         }
 257                 }
 258
 259         fclose(fp);
 260         return(0);
 261         }
 262
 263
 264 /*
 265  * the client is identifying itself to the server
 266  */
 267 void cmd_iden(char *argbuf)
 268 {
 269         int dev_code;
 270         int cli_code;
 271         int rev_level;
 272         char desc[256];
 273         char from_host[256];
 274
 275         if (num_parms(argbuf)<4) {
 276                 cprintf("%d usage error\n",ERROR);
 277                 return;
 278                 }
 279
 280         dev_code = extract_int(argbuf,0);
 281         cli_code = extract_int(argbuf,1);
 282         rev_level = extract_int(argbuf,2);
 283         extract(desc,argbuf,3);
 284
 285         strncpy(from_host,config.c_fqdn,sizeof from_host);
 286         from_host[sizeof from_host - 1] = 0;
 287         if (num_parms(argbuf)>=5) extract(from_host,argbuf,4);
 288
 289         CC->cs_clientdev = dev_code;
 290         CC->cs_clienttyp = cli_code;
 291         CC->cs_clientver = rev_level;
 292         strncpy(CC->cs_clientname,desc,31);
 293         CC->cs_clientname[31] = 0;
 294
 295         if ((strlen(from_host)>0) &&
 296            (is_public_client(CC->cs_host))) {
 297                 strncpy(CC->cs_host,from_host,24);
 298                 CC->cs_host[24] = 0;
 299                 }
 300         set_wtmpsupp(CC->quickroom.QRname);
 301
 302         syslog(LOG_NOTICE,"client %d/%d/%01d.%02d (%s)\n",
 303                 dev_code,
 304                 cli_code,
 305                 (rev_level / 100),
 306                 (rev_level % 100),
 307                 desc);
 308                 cprintf("%d Ok\n",OK);
 309         }
 310
 311
 312 /*
 313  * enter or exit "stealth mode"
 314  */
 315 void cmd_stel(char *cmdbuf)
 316 {
 317         int requested_mode;
 318
 319         requested_mode = extract_int(cmdbuf,0);
 320         if (requested_mode !=0) requested_mode = 1;
 321
 322         if (!CC->logged_in) {
 323                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 324                 return;
 325                 }
 326
 327         if (CC->usersupp.axlevel < 6) {
 328                 cprintf("%d You must be an Aide to use stealth mode.\n",
 329                         ERROR+HIGHER_ACCESS_REQUIRED);
 330                 return;
 331                 }
 332
 333         if (CC->cs_flags & CS_STEALTH) {
 334                 if (requested_mode == 0)
 335                         CC->cs_flags = CC->cs_flags-CS_STEALTH;
 336                 }
 337         else {
 338                 if (requested_mode == 1)
 339                         CC->cs_flags = CC->cs_flags|CS_STEALTH;
 340                 }
 341
 342         set_wtmpsupp(CC->quickroom.QRname);
 343         cprintf("%d Ok\n",OK);
 344         }
 345
 346
 347
 348
 349 /*
 350  * display system messages or help
 351  */
 352 void cmd_mesg(char *mname)
 353 {
 354         FILE *mfp;
 355         char targ[256];
 356         char buf[256];
 357         char *dirs[2];
 358
 359         extract(buf,mname,0);
 360
 361
 362         dirs[0]=malloc(64);
 363         dirs[1]=malloc(64);
 364         strcpy(dirs[0],"messages");
 365         strcpy(dirs[1],"help");
 366         mesg_locate(targ,buf,2,dirs);
 367         free(dirs[0]);
 368         free(dirs[1]);
 369
 370
 371         if (strlen(targ)==0) {
 372                 cprintf("%d '%s' not found.\n",ERROR,mname);
 373                 return;
 374                 }
 375
 376         mfp = fopen(targ,"r");
 377         if (mfp==NULL) {
 378                 cprintf("%d Cannot open '%s': %s\n",
 379                         ERROR,targ,strerror(errno));
 380                 return;
 381                 }
 382         cprintf("%d %s\n",LISTING_FOLLOWS,buf);
 383
 384         while (fgets(buf,255,mfp)!=NULL) {
 385                 buf[strlen(buf)-1] = 0;
 386                 do_help_subst(buf);
 387                 cprintf("%s\n",buf);
 388                 }
 389
 390         fclose(mfp);
 391         cprintf("000\n");
 392         }
 393
 394
 395 /*
 396  * enter system messages or help
 397  */
 398 void cmd_emsg(char *mname)
 399 {
 400         FILE *mfp;
 401         char targ[256];
 402         char buf[256];
 403         char *dirs[2];
 404         int a;
 405
 406         if (CC->usersupp.axlevel < 6) {
 407                 cprintf("%d You must be an Aide to edit system messages.\n",
 408                         ERROR+HIGHER_ACCESS_REQUIRED);
 409                 return;
 410                 }
 411
 412         extract(buf,mname,0);
 413         for (a=0; a<strlen(buf); ++a) {         /* security measure */
 414                 if (buf[a] == '/') buf[a] = '.';
 415                 }
 416
 417         dirs[0]=malloc(64);
 418         dirs[1]=malloc(64);
 419         strcpy(dirs[0],"messages");
 420         strcpy(dirs[1],"help");
 421         mesg_locate(targ,buf,2,dirs);
 422         free(dirs[0]);
 423         free(dirs[1]);
 424
 425         if (strlen(targ)==0) {
 426                 snprintf(targ, sizeof targ, "./help/%s", buf);
 427                 }
 428
 429         mfp = fopen(targ,"w");
 430         if (mfp==NULL) {
 431                 cprintf("%d Cannot open '%s': %s\n",
 432                         ERROR,targ,strerror(errno));
 433                 return;
 434                 }
 435         cprintf("%d %s\n", SEND_LISTING, targ);
 436
 437         while (client_gets(buf), strcmp(buf, "000")) {
 438                 fprintf(mfp, "%s\n", buf);
 439                 }
 440
 441         fclose(mfp);
 442         }
 443
 444
 445 /*
 446  * who's online
 447  */
 448 void cmd_rwho(void) {
 449         struct CitContext *cptr;
 450         int spoofed = 0;
 451         int aide;
 452         char un[40], room[40], host[40], flags[5];
 453
 454         aide = CC->usersupp.axlevel >= 6;
 455         cprintf("%d\n",LISTING_FOLLOWS);
 456
 457         for (cptr = ContextList; cptr != NULL; cptr = cptr->next)
 458         {
 459                 flags[0] = '\0';
 460                 spoofed = 0;
 461
 462                 if (cptr->cs_flags & CS_POSTING)
 463                    strcat(flags, "*");
 464                 else
 465                    strcat(flags, ".");
 466
 467                 if (cptr->fake_username[0])
 468                 {
 469                    strcpy(un, cptr->fake_username);
 470                    spoofed = 1;
 471                 }
 472                 else
 473                    strcpy(un, cptr->curr_user);
 474
 475                 if (cptr->fake_hostname[0])
 476                 {
 477                    strcpy(host, cptr->fake_hostname);
 478                    spoofed = 1;
 479                 }
 480                 else
 481                    strcpy(host, cptr->cs_host);
 482
 483                 if (cptr->fake_roomname[0])
 484                 {
 485                    strcpy(room, cptr->fake_roomname);
 486                    spoofed = 1;
 487                 }
 488                 else
 489                    strcpy(room, cptr->cs_room);
 490
 491
 492                 if ((aide) && (spoofed))
 493                    strcat(flags, "+");
 494
 495                 if ((cptr->cs_flags & CS_STEALTH) && (aide))
 496                    strcat(flags, "-");
 497
 498                 if (((cptr->cs_flags&CS_STEALTH)==0) || (aide))
 499                 {
 500                         cprintf("%d|%s|%s|%s|%s|%ld|%s|%s\n",
 501                                 cptr->cs_pid, un, room,
 502                                 host, cptr->cs_clientname,
 503                                 (long)(cptr->lastidle),
 504                                 cptr->lastcmdname, flags);
 505                 }
 506                 if ((spoofed) && (aide))
 507                 {
 508                         cprintf("%d|%s|%s|%s|%s|%ld|%s|%s\n",
 509                                 cptr->cs_pid, cptr->curr_user, cptr->cs_room,
 510                                 cptr->cs_host, cptr->cs_clientname,
 511                                 (long)(cptr->lastidle),
 512                                 cptr->lastcmdname, flags);
 513
 514                 }
 515         }
 516         cprintf("000\n");
 517         }
 518
 519
 520 /*
 521  * Terminate another running session
 522  */
 523 void cmd_term(char *cmdbuf)
 524 {
 525         int session_num;
 526         struct CitContext *ccptr;
 527
 528         if (!CC->logged_in) {
 529                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 530                 return;
 531                 }
 532
 533         if (CC->usersupp.axlevel < 6) {
 534                 cprintf("%d You must be an Aide to terminate sessions.\n",
 535                         ERROR+HIGHER_ACCESS_REQUIRED);
 536                 return;
 537                 }
 538
 539         session_num = extract_int(cmdbuf, 0);
 540         if (session_num == CC->cs_pid) {
 541                 cprintf("%d You can't kill your own session.\n", ERROR);
 542                 return;
 543                 }
 544
 545         for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
 546                 if (session_num == ccptr->cs_pid) {
 547                         kill_session(ccptr->cs_pid);
 548                         cprintf("%d Session terminated.\n", OK);
 549                         return;
 550                         }
 551                 }
 552
 553         cprintf("%d No such session.\n", ERROR);
 554         }
 555
 556
 557
 558
 559
 560 /*
 561  * get the paginator prompt
 562  */
 563 void cmd_more(void) {
 564         cprintf("%d %s\n",OK,config.c_moreprompt);
 565         }
 566
 567 /*
 568  * echo
 569  */
 570 void cmd_echo(char *etext)
 571 {
 572         cprintf("%d %s\n",OK,etext);
 573         }
 574
 575
 576
 577 /*
 578  * identify as internal program
 579  */
 580 void cmd_ipgm(char *argbuf)
 581 {
 582         int secret;
 583
 584         secret = extract_int(argbuf, 0);
 585         if (secret == config.c_ipgm_secret) {
 586                 CC->internal_pgm = 1;
 587                 strcpy(CC->curr_user, "<internal program>");
 588                 CC->cs_flags = CC->cs_flags|CS_STEALTH;
 589                 cprintf("%d Authenticated as an internal program.\n",OK);
 590                 }
 591         else {
 592                 cprintf("%d Authentication failed.\n",ERROR);
 593                 }
 594         }
 595
 596
 597 /*
 598  * Shut down the server
 599  */
 600 void cmd_down(void) {
 601         if (!CC->logged_in) {
 602                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 603                 return;
 604                 }
 605
 606         if (CC->usersupp.axlevel < 6) {
 607                 cprintf("%d You must be an Aide to shut down the server.\n",
 608                         ERROR+HIGHER_ACCESS_REQUIRED);
 609                 return;
 610                 }
 611
 612         cprintf("%d Shutting down server.  Goodbye.\n", OK);
 613         master_cleanup();
 614         }
 615
 616 /*
 617  * Schedule or cancel a server shutdown
 618  */
 619 void cmd_scdn(char *argbuf)
 620 {
 621         int new_state;
 622
 623         if (!CC->logged_in) {
 624                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 625                 return;
 626                 }
 627
 628         if (CC->usersupp.axlevel < 6) {
 629                 cprintf("%d You must be an Aide to schedule a shutdown.\n",
 630                         ERROR+HIGHER_ACCESS_REQUIRED);
 631                 return;
 632                 }
 633
 634         new_state = extract_int(argbuf, 0);
 635         if ((new_state == 0) || (new_state == 1)) {
 636                 ScheduledShutdown = new_state;
 637                 }
 638         cprintf("%d %d\n", OK, ScheduledShutdown);
 639         }
 640
 641
 642 /*
 643  * main context loop
 644  */
 645 void *context_loop(struct CitContext *con)
 646 {
 647         char cmdbuf[256];
 648         int session_num;
 649
 650         /*
 651          * Wedge our way into the context table.
 652          */
 653         InitMyContext(con);
 654
 655         /*
 656          * Initialize some variables specific to our context.
 657          */
 658         CC->logged_in = 0;
 659         CC->internal_pgm = 0;
 660         CC->download_fp = NULL;
 661         CC->upload_fp = NULL;
 662         CC->cs_pid = con->client_socket;        /* not necessarily portable */
 663         CC->FirstExpressMessage = NULL;
 664         CC->msglist = NULL;
 665         CC->num_msgs = 0;
 666         time(&CC->lastcmd);
 667         time(&CC->lastidle);
 668         strcpy(CC->lastcmdname, "    ");
 669         strcpy(CC->cs_clientname, "(unknown)");
 670         strcpy(CC->curr_user,"");
 671         strcpy(CC->net_node,"");
 672         snprintf(CC->temp, sizeof CC->temp, "/tmp/CitServer.%d.%d", getpid(), CC->cs_pid);
 673         strcpy(CC->cs_room, "");
 674         strncpy(CC->cs_host, config.c_fqdn, sizeof CC->cs_host);
 675         CC->cs_host[sizeof CC->cs_host - 1] = 0;
 676         locate_host(CC->cs_host);
 677         CC->cs_flags = 0;
 678         CC->upload_type = UPL_FILE;
 679         CC->dl_is_net = 0;
 680
 681         session_num = session_count();
 682         CC->nologin = 0;
 683         if ((config.c_maxsessions > 0)&&(session_num >= config.c_maxsessions))
 684                 CC->nologin = 1;
 685
 686         if (CC->nologin==1) {
 687            cprintf("%d %s: Too many users are already online (maximum is %d)\n",
 688                 ERROR+MAX_SESSIONS_EXCEEDED,
 689                 config.c_nodename,config.c_maxsessions);
 690                 }
 691         else {
 692            cprintf("%d %s Citadel/UX server ready.\n",OK,config.c_nodename);
 693                 }
 694
 695         lprintf(3, "citserver[%3d]: started.\n", CC->cs_pid);
 696
 697         /* Run any session startup routines registered by loadable modules */
 698         PerformSessionHooks(EVT_START);
 699
 700         rec_log(CL_CONNECT, "");
 701
 702         do {
 703                 time(&CC->lastcmd);
 704                 bzero(cmdbuf, sizeof cmdbuf); /* Clear it, just in case */
 705                 if (client_gets(cmdbuf) < 1) cleanup(EXIT_NULL);
 706                 lprintf(5, "citserver[%3d]: %s\n", CC->cs_pid, cmdbuf);
 707
 708                 /*
 709                  * Let other clients see the last command we executed, but
 710                  * exclude NOOP because that would be boring.
 711                  */
 712                 if (strncasecmp(cmdbuf, "NOOP", 4)) {
 713                         strcpy(CC->lastcmdname, "    ");
 714                         strncpy(CC->lastcmdname, cmdbuf, 4);
 715                         time(&CC->lastidle);
 716                         }
 717
 718                 if ((strncasecmp(cmdbuf, "ENT0", 4)) && (strncasecmp(cmdbuf, "MESG", 4)) && (strncasecmp(cmdbuf, "MSGS", 4)))
 719                 {
 720                    CC->cs_flags &= ~CS_POSTING;
 721                 }
 722
 723 /*
 724  * This loop recognizes all server commands.
 725  */
 726
 727                 if (!strncasecmp(cmdbuf,"NOOP",4)) {
 728                         cprintf("%d%cok\n",OK,check_express());
 729                         }
 730
 731                 else if (!strncasecmp(cmdbuf,"QUIT",4)) {
 732                         cprintf("%d Goodbye.\n",OK);
 733                         }
 734
 735                 else if (!strncasecmp(cmdbuf,"LOUT",4)) {
 736                         if (CC->logged_in) logout(CC);
 737                         cprintf("%d logged out.\n",OK);
 738                         }
 739
 740                 else if (!strncasecmp(cmdbuf,"USER",4)) {
 741                         cmd_user(&cmdbuf[5]);
 742                         }
 743
 744                 else if (!strncasecmp(cmdbuf,"PASS",4)) {
 745                         cmd_pass(&cmdbuf[5]);
 746                         }
 747
 748                 else if (!strncasecmp(cmdbuf,"NEWU",4)) {
 749                         cmd_newu(&cmdbuf[5]);
 750                         }
 751
 752                 else if (!strncasecmp(cmdbuf,"SETP",4)) {
 753                         cmd_setp(&cmdbuf[5]);
 754                         }
 755
 756                 else if (!strncasecmp(cmdbuf,"LRMS",4)) {
 757                         cmd_lrms(&cmdbuf[5]);
 758                         }
 759
 760                 else if (!strncasecmp(cmdbuf,"LKRA",4)) {
 761                         cmd_lkra(&cmdbuf[5]);
 762                         }
 763
 764                 else if (!strncasecmp(cmdbuf,"LKRN",4)) {
 765                         cmd_lkrn(&cmdbuf[5]);
 766                         }
 767
 768                 else if (!strncasecmp(cmdbuf,"LKRO",4)) {
 769                         cmd_lkro(&cmdbuf[5]);
 770                         }
 771
 772                 else if (!strncasecmp(cmdbuf,"LZRM",4)) {
 773                         cmd_lzrm(&cmdbuf[5]);
 774                         }
 775
 776                 else if (!strncasecmp(cmdbuf,"GETU",4)) {
 777                         cmd_getu();
 778                         }
 779
 780                 else if (!strncasecmp(cmdbuf,"SETU",4)) {
 781                         cmd_setu(&cmdbuf[5]);
 782                         }
 783
 784                 else if (!strncasecmp(cmdbuf,"GOTO",4)) {
 785                         cmd_goto(&cmdbuf[5]);
 786                         }
 787
 788                 else if (!strncasecmp(cmdbuf,"MSGS",4)) {
 789                         cmd_msgs(&cmdbuf[5]);
 790                         }
 791
 792                 else if (!strncasecmp(cmdbuf,"WHOK",4)) {
 793                         cmd_whok();
 794                         }
 795
 796                 else if (!strncasecmp(cmdbuf,"RDIR",4)) {
 797                         cmd_rdir();
 798                         }
 799
 800                 else if (!strncasecmp(cmdbuf,"MSG0",4)) {
 801                         cmd_msg0(&cmdbuf[5]);
 802                         }
 803
 804                 else if (!strncasecmp(cmdbuf,"MSG2",4)) {
 805                         cmd_msg2(&cmdbuf[5]);
 806                         }
 807
 808                 else if (!strncasecmp(cmdbuf,"MSG3",4)) {
 809                         cmd_msg3(&cmdbuf[5]);
 810                         }
 811
 812                 else if (!strncasecmp(cmdbuf,"INFO",4)) {
 813                         cmd_info();
 814                         }
 815
 816                 else if (!strncasecmp(cmdbuf,"SLRP",4)) {
 817                         cmd_slrp(&cmdbuf[5]);
 818                         }
 819
 820                 else if (!strncasecmp(cmdbuf,"INVT",4)) {
 821                         cmd_invt_kick(&cmdbuf[5],1);
 822                         }
 823
 824                 else if (!strncasecmp(cmdbuf,"KICK",4)) {
 825                         cmd_invt_kick(&cmdbuf[5],0);
 826                         }
 827
 828                 else if (!strncasecmp(cmdbuf,"GETR",4)) {
 829                         cmd_getr();
 830                         }
 831
 832                 else if (!strncasecmp(cmdbuf,"SETR",4)) {
 833                         cmd_setr(&cmdbuf[5]);
 834                         }
 835
 836                 else if (!strncasecmp(cmdbuf,"GETA",4)) {
 837                         cmd_geta();
 838                         }
 839
 840                 else if (!strncasecmp(cmdbuf,"SETA",4)) {
 841                         cmd_seta(&cmdbuf[5]);
 842                         }
 843
 844                 else if (!strncasecmp(cmdbuf,"ENT0",4)) {
 845                         cmd_ent0(&cmdbuf[5]);
 846                         }
 847
 848                 else if (!strncasecmp(cmdbuf,"ENT3",4)) {
 849                         cmd_ent3(&cmdbuf[5]);
 850                         }
 851
 852                 else if (!strncasecmp(cmdbuf,"RINF",4)) {
 853                         cmd_rinf();
 854                         }
 855
 856                 else if (!strncasecmp(cmdbuf,"DELE",4)) {
 857                         cmd_dele(&cmdbuf[5]);
 858                         }
 859
 860                 else if (!strncasecmp(cmdbuf,"KILL",4)) {
 861                         cmd_kill(&cmdbuf[5]);
 862                         }
 863
 864                 else if (!strncasecmp(cmdbuf,"CRE8",4)) {
 865                         cmd_cre8(&cmdbuf[5]);
 866                         }
 867
 868                 else if (!strncasecmp(cmdbuf,"MOVE",4)) {
 869                         cmd_move(&cmdbuf[5]);
 870                         }
 871
 872                 else if (!strncasecmp(cmdbuf,"FORG",4)) {
 873                         cmd_forg();
 874                         }
 875
 876                 else if (!strncasecmp(cmdbuf,"MESG",4)) {
 877                         cmd_mesg(&cmdbuf[5]);
 878                         }
 879
 880                 else if (!strncasecmp(cmdbuf,"EMSG",4)) {
 881                         cmd_emsg(&cmdbuf[5]);
 882                         }
 883
 884                 else if (!strncasecmp(cmdbuf,"GNUR",4)) {
 885                         cmd_gnur();
 886                         }
 887
 888                 else if (!strncasecmp(cmdbuf,"GREG",4)) {
 889                         cmd_greg(&cmdbuf[5]);
 890                         }
 891
 892                 else if (!strncasecmp(cmdbuf,"VALI",4)) {
 893                         cmd_vali(&cmdbuf[5]);
 894                         }
 895
 896                 else if (!strncasecmp(cmdbuf,"EINF",4)) {
 897                         cmd_einf(&cmdbuf[5]);
 898                         }
 899
 900                 else if (!strncasecmp(cmdbuf,"LIST",4)) {
 901                         cmd_list();
 902                         }
 903
 904                 else if (!strncasecmp(cmdbuf,"REGI",4)) {
 905                         cmd_regi();
 906                         }
 907
 908                 else if (!strncasecmp(cmdbuf,"CHEK",4)) {
 909                         cmd_chek();
 910                         }
 911
 912                 else if (!strncasecmp(cmdbuf,"DELF",4)) {
 913                         cmd_delf(&cmdbuf[5]);
 914                         }
 915
 916                 else if (!strncasecmp(cmdbuf,"MOVF",4)) {
 917                         cmd_movf(&cmdbuf[5]);
 918                         }
 919
 920                 else if (!strncasecmp(cmdbuf,"NETF",4)) {
 921                         cmd_netf(&cmdbuf[5]);
 922                         }
 923
 924                 else if (!strncasecmp(cmdbuf,"RWHO",4)) {
 925                         cmd_rwho();
 926                         }
 927
 928                 else if (!strncasecmp(cmdbuf,"OPEN",4)) {
 929                         cmd_open(&cmdbuf[5]);
 930                         }
 931
 932                 else if (!strncasecmp(cmdbuf,"CLOS",4)) {
 933                         cmd_clos();
 934                         }
 935
 936                 else if (!strncasecmp(cmdbuf,"UOPN",4)) {
 937                         cmd_uopn(&cmdbuf[5]);
 938                         }
 939
 940                 else if (!strncasecmp(cmdbuf,"UCLS",4)) {
 941                         cmd_ucls(&cmdbuf[5]);
 942                         }
 943
 944                 else if (!strncasecmp(cmdbuf,"READ",4)) {
 945                         cmd_read(&cmdbuf[5]);
 946                         }
 947
 948                 else if (!strncasecmp(cmdbuf,"WRIT",4)) {
 949                         cmd_writ(&cmdbuf[5]);
 950                         }
 951
 952                 else if (!strncasecmp(cmdbuf,"QUSR",4)) {
 953                         cmd_qusr(&cmdbuf[5]);
 954                         }
 955
 956                 else if (!strncasecmp(cmdbuf,"ECHO",4)) {
 957                         cmd_echo(&cmdbuf[5]);
 958                         }
 959
 960                 else if (!strncasecmp(cmdbuf,"OIMG",4)) {
 961                         cmd_oimg(&cmdbuf[5]);
 962                         }
 963
 964                 else if (!strncasecmp(cmdbuf,"MORE",4)) {
 965                         cmd_more();
 966                         }
 967
 968                 else if (!strncasecmp(cmdbuf,"NETP",4)) {
 969                         cmd_netp(&cmdbuf[5]);
 970                         }
 971
 972                 else if (!strncasecmp(cmdbuf,"NDOP",4)) {
 973                         cmd_ndop(&cmdbuf[5]);
 974                         }
 975
 976                 else if (!strncasecmp(cmdbuf,"NUOP",4)) {
 977                         cmd_nuop(&cmdbuf[5]);
 978                         }
 979
 980                 else if (!strncasecmp(cmdbuf,"LFLR",4)) {
 981                         cmd_lflr();
 982                         }
 983
 984                 else if (!strncasecmp(cmdbuf,"CFLR",4)) {
 985                         cmd_cflr(&cmdbuf[5]);
 986                         }
 987
 988                 else if (!strncasecmp(cmdbuf,"KFLR",4)) {
 989                         cmd_kflr(&cmdbuf[5]);
 990                         }
 991
 992                 else if (!strncasecmp(cmdbuf,"EFLR",4)) {
 993                         cmd_eflr(&cmdbuf[5]);
 994                         }
 995
 996                 else if (!strncasecmp(cmdbuf,"IDEN",4)) {
 997                         cmd_iden(&cmdbuf[5]);
 998                         }
 999
1000                 else if (!strncasecmp(cmdbuf,"IPGM",4)) {
1001                         cmd_ipgm(&cmdbuf[5]);
1002                         }
1003
1004                 else if (!strncasecmp(cmdbuf,"EBIO",4)) {
1005                         cmd_ebio();
1006                         }
1007
1008                 else if (!strncasecmp(cmdbuf,"RBIO",4)) {
1009                         cmd_rbio(&cmdbuf[5]);
1010                         }
1011
1012                 else if (!strncasecmp(cmdbuf,"LBIO",4)) {
1013                         cmd_lbio();
1014                         }
1015
1016                 else if (!strncasecmp(cmdbuf,"STEL",4)) {
1017                         cmd_stel(&cmdbuf[5]);
1018                         }
1019
1020                 else if (!strncasecmp(cmdbuf,"TERM",4)) {
1021                         cmd_term(&cmdbuf[5]);
1022                         }
1023
1024                 else if (!strncasecmp(cmdbuf,"DOWN",4)) {
1025                         cmd_down();
1026                         }
1027
1028                 else if (!strncasecmp(cmdbuf,"SCDN",4)) {
1029                         cmd_scdn(&cmdbuf[5]);
1030                         }
1031
1032                 else if (!strncasecmp(cmdbuf, "NSET", 4)) {
1033                         cmd_nset(&cmdbuf[5]);
1034                         }
1035
1036                 else if (!strncasecmp(cmdbuf, "UIMG", 4)) {
1037                         cmd_uimg(&cmdbuf[5]);
1038                         }
1039
1040                 else if (!strncasecmp(cmdbuf, "UCHG", 4)) {
1041                         cmd_uchg(&cmdbuf[5]);
1042                         }
1043
1044                 else if (!strncasecmp(cmdbuf, "TIME", 4)) {
1045                         cmd_time();
1046                         }
1047
1048                 else if (!strncasecmp(cmdbuf, "HCHG", 4)) {
1049                         cmd_hchg(&cmdbuf[5]);
1050                         }
1051
1052                 else if (!strncasecmp(cmdbuf, "RCHG", 4)) {
1053                         cmd_rchg(&cmdbuf[5]);
1054                         }
1055
1056                 else if (!strncasecmp(cmdbuf, "AGUP", 4)) {
1057                         cmd_agup(&cmdbuf[5]);
1058                         }
1059
1060                 else if (!strncasecmp(cmdbuf, "ASUP", 4)) {
1061                         cmd_asup(&cmdbuf[5]);
1062                         }
1063
1064                 else if (!strncasecmp(cmdbuf, "GPEX", 4)) {
1065                         cmd_gpex(&cmdbuf[5]);
1066                         }
1067
1068                 else if (!strncasecmp(cmdbuf, "SPEX", 4)) {
1069                         cmd_spex(&cmdbuf[5]);
1070                         }
1071
1072                 else if (!strncasecmp(cmdbuf, "CONF", 4)) {
1073                         cmd_conf(&cmdbuf[5]);
1074                         }
1075
1076                 else if (!DLoader_Exec_Cmd(cmdbuf))
1077                         {
1078                            cprintf("%d Unrecognized or unsupported command.\n",
1079                                     ERROR);
1080                         }
1081
1082                 } while(strncasecmp(cmdbuf, "QUIT", 4));
1083
1084         cleanup(EXIT_NORMAL);
1085         return(NULL);
1086         }