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 #include "tools.h"
  33
  34 struct CitContext *ContextList = NULL;
  35 int ScheduledShutdown = 0;
  36
  37 /*
  38  * Various things that need to be initialized at startup
  39  */
  40 void master_startup(void) {
  41         lprintf(7, "Opening databases\n");
  42         open_databases();
  43
  44         lprintf(7, "Checking floor reference counts\n");
  45         check_ref_counts();
  46
  47         lprintf(7, "Creating base rooms (if necessary)\n");
  48         create_room(BASEROOM, 0, "", 0);
  49         create_room(AIDEROOM, 4, "", 0);
  50         create_room(config.c_twitroom, 0, "", 0);
  51         }
  52
  53 /*
  54  * Cleanup routine to be called when the server is shutting down.
  55  */
  56 void master_cleanup(void) {
  57         struct CleanupFunctionHook *fcn;
  58
  59         /* Cancel all running sessions */
  60         lprintf(7, "Cancelling running sessions...\n");
  61         while (ContextList != NULL) {
  62                 kill_session(ContextList->cs_pid);
  63                 }
  64
  65         /* Run any cleanup routines registered by loadable modules */
  66         for (fcn = CleanupHookTable; fcn != NULL; fcn = fcn->next) {
  67                 (*fcn->h_function_pointer)();
  68                 }
  69
  70         /* Close databases */
  71         lprintf(7, "Closing databases\n");
  72         close_databases();
  73
  74         /* Do system-dependent stuff */
  75         sysdep_master_cleanup();
  76
  77         /* Now go away. */
  78         lprintf(3, "citserver: exiting.\n");
  79         fflush(stdout); fflush(stderr);
  80         exit(0);
  81         }
  82
  83
  84 /*
  85  * Gracefully terminate the session and thread.
  86  * (This is called as a cleanup handler by the thread library.)
  87  *
  88  * All NON-system-dependent stuff is done in this function.
  89  * System-dependent session/thread cleanup is in cleanup() in sysdep.c
  90  */
  91 void cleanup_stuff(void *arg)
  92 {
  93         struct ExpressMessage *emptr;
  94
  95         lprintf(9, "cleanup_stuff() called\n");
  96
  97         lprintf(7, "Calling logout(%d)\n", CC->cs_pid);
  98         logout(CC);
  99
 100         rec_log(CL_TERMINATE,CC->curr_user);
 101         unlink(CC->temp);
 102         lprintf(3, "citserver[%3d]: ended.\n",CC->cs_pid);
 103
 104         /* Run any cleanup routines registered by loadable modules */
 105         PerformSessionHooks(EVT_STOP);
 106
 107         syslog(LOG_NOTICE,"session %d ended", CC->cs_pid);
 108
 109         /* Deallocate any unsent express messages */
 110         begin_critical_section(S_SESSION_TABLE);
 111         while (CC->FirstExpressMessage != NULL) {
 112                 emptr = CC->FirstExpressMessage;
 113                 CC->FirstExpressMessage = CC->FirstExpressMessage->next;
 114                 free(emptr);
 115                 }
 116         end_critical_section(S_SESSION_TABLE);
 117
 118         /* Deallocate any message list we might have in memory */
 119         if (CC->msglist != NULL) free(CC->msglist);
 120
 121         /* Now get rid of the session and context */
 122         lprintf(7, "cleanup_stuff() calling RemoveContext(%d)\n", CC->cs_pid);
 123         RemoveContext(CC);
 124
 125         /* While we still have an extra thread with no user attached to it,
 126          * take the opportunity to do some housekeeping before exiting.
 127          */
 128         do_housekeeping();
 129         }
 130
 131
 132 /*
 133  * set_wtmpsupp()  -  alter the session listing
 134  */
 135 void set_wtmpsupp(char *newtext)
 136 {
 137         strncpy(CC->cs_room,newtext,sizeof CC->cs_room);
 138         CC->cs_room[sizeof CC->cs_room - 1] = 0;
 139         time(&CC->cs_lastupdt);
 140
 141         /* Run any routines registered by loadable modules */
 142         PerformSessionHooks(EVT_NEWROOM);
 143         }
 144
 145
 146 /*
 147  * call set_wtmpsupp() with the name of the current room, modified a bit...
 148  */
 149 void set_wtmpsupp_to_current_room() {
 150         if (CC->quickroom.QRflags & QR_PRIVATE) {
 151                 set_wtmpsupp("<private room>");
 152                 }
 153         else if (CC->quickroom.QRflags & QR_MAILBOX) {
 154                 set_wtmpsupp(&CC->quickroom.QRname[11]);
 155                 }
 156         else {
 157                 set_wtmpsupp(CC->quickroom.QRname);
 158                 }
 159         }
 160
 161
 162
 163 /*
 164  * cmd_info()  -  tell the client about this server
 165  */
 166 void cmd_info(void) {
 167         cprintf("%d Server info:\n",LISTING_FOLLOWS);
 168         cprintf("%d\n",CC->cs_pid);
 169         cprintf("%s\n",config.c_nodename);
 170         cprintf("%s\n",config.c_humannode);
 171         cprintf("%s\n",config.c_fqdn);
 172         cprintf("%s\n",CITADEL);
 173         cprintf("%d\n",REV_LEVEL);
 174         cprintf("%s\n",config.c_bbs_city);
 175         cprintf("%s\n",config.c_sysadm);
 176         cprintf("%d\n",SERVER_TYPE);
 177         cprintf("%s\n",config.c_moreprompt);
 178         cprintf("1\n"); /* 1 = yes, this system supports floors */
 179         cprintf("000\n");
 180         }
 181
 182 void cmd_rchg(char *argbuf)
 183 {
 184         char newroomname[ROOMNAMELEN];
 185
 186         extract(newroomname, argbuf, 0);
 187         if (strlen(newroomname) > 0) {
 188                 strncpy(CC->fake_roomname, newroomname, ROOMNAMELEN);
 189                 CC->fake_roomname[ROOMNAMELEN - 1] = 0;
 190                 }
 191         else {
 192                 strcpy(CC->fake_roomname, "");
 193                 }
 194         cprintf("%d OK\n", OK);
 195 }
 196
 197 void cmd_hchg(char *newhostname)
 198 {
 199    if ((newhostname) && (newhostname[0]))
 200    {
 201       bzero(CC->fake_hostname, 25);
 202       strncpy(CC->fake_hostname, newhostname, 24);
 203    }
 204    else
 205       strcpy(CC->fake_hostname, "");
 206    cprintf("%d OK\n",OK);
 207 }
 208
 209 void cmd_uchg(char *newusername)
 210 {
 211    if (CC->usersupp.axlevel < 6)
 212    {
 213       cprintf("%d You must be an Aide to use UCHG.\n",
 214                 ERROR+HIGHER_ACCESS_REQUIRED);
 215       return;
 216    }
 217    if ((newusername) && (newusername[0]))
 218    {
 219       CC->cs_flags &= ~CS_STEALTH;
 220       bzero(CC->fake_username, 32);
 221       if (strncasecmp(newusername, CC->curr_user, strlen(CC->curr_user)))
 222          strncpy(CC->fake_username, newusername, 31);
 223    }
 224    else
 225    {
 226       CC->fake_username[0] = '\0';
 227       CC->cs_flags |= CS_STEALTH;
 228    }
 229    cprintf("%d\n",OK);
 230 }
 231
 232 /*
 233  * returns an asterisk if there are any express messages waiting,
 234  * space otherwise.
 235  */
 236 char check_express(void) {
 237         if (CC->FirstExpressMessage == NULL) {
 238                 return(' ');
 239                 }
 240         else {
 241                 return('*');
 242                 }
 243         }
 244
 245 void cmd_time(void)
 246 {
 247    time_t tv;
 248
 249    tv = time(NULL);
 250
 251    cprintf("%d %ld\n", OK, tv);
 252 }
 253
 254 /*
 255  * check a hostname against the public_clients file
 256  */
 257 int is_public_client(char *where)
 258 {
 259         char buf[256];
 260         FILE *fp;
 261
 262         if (!strcasecmp(where,"localhost")) return(1);
 263         if (!strcasecmp(where,config.c_fqdn)) return(1);
 264
 265         fp = fopen("public_clients","r");
 266         if (fp == NULL) return(0);
 267
 268         while (fgets(buf,256,fp)!=NULL) {
 269                 while (isspace((buf[strlen(buf)-1])))
 270                         buf[strlen(buf)-1] = 0;
 271                 if (!strcasecmp(buf,where)) {
 272                         fclose(fp);
 273                         return(1);
 274                         }
 275                 }
 276
 277         fclose(fp);
 278         return(0);
 279         }
 280
 281
 282 /*
 283  * the client is identifying itself to the server
 284  */
 285 void cmd_iden(char *argbuf)
 286 {
 287         int dev_code;
 288         int cli_code;
 289         int rev_level;
 290         char desc[256];
 291         char from_host[256];
 292
 293         if (num_parms(argbuf)<4) {
 294                 cprintf("%d usage error\n",ERROR);
 295                 return;
 296                 }
 297
 298         dev_code = extract_int(argbuf,0);
 299         cli_code = extract_int(argbuf,1);
 300         rev_level = extract_int(argbuf,2);
 301         extract(desc,argbuf,3);
 302
 303         strncpy(from_host,config.c_fqdn,sizeof from_host);
 304         from_host[sizeof from_host - 1] = 0;
 305         if (num_parms(argbuf)>=5) extract(from_host,argbuf,4);
 306
 307         CC->cs_clientdev = dev_code;
 308         CC->cs_clienttyp = cli_code;
 309         CC->cs_clientver = rev_level;
 310         strncpy(CC->cs_clientname,desc,31);
 311         CC->cs_clientname[31] = 0;
 312
 313         if ((strlen(from_host)>0) &&
 314            (is_public_client(CC->cs_host))) {
 315                 strncpy(CC->cs_host,from_host,24);
 316                 CC->cs_host[24] = 0;
 317                 }
 318         set_wtmpsupp_to_current_room();
 319
 320         syslog(LOG_NOTICE,"client %d/%d/%01d.%02d (%s)\n",
 321                 dev_code,
 322                 cli_code,
 323                 (rev_level / 100),
 324                 (rev_level % 100),
 325                 desc);
 326                 cprintf("%d Ok\n",OK);
 327         }
 328
 329
 330 /*
 331  * enter or exit "stealth mode"
 332  */
 333 void cmd_stel(char *cmdbuf)
 334 {
 335         int requested_mode;
 336
 337         requested_mode = extract_int(cmdbuf,0);
 338         if (requested_mode !=0) requested_mode = 1;
 339
 340         if (!CC->logged_in) {
 341                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 342                 return;
 343                 }
 344
 345         if (CC->usersupp.axlevel < 6) {
 346                 cprintf("%d You must be an Aide to use stealth mode.\n",
 347                         ERROR+HIGHER_ACCESS_REQUIRED);
 348                 return;
 349                 }
 350
 351         if (CC->cs_flags & CS_STEALTH) {
 352                 if (requested_mode == 0)
 353                         CC->cs_flags = CC->cs_flags-CS_STEALTH;
 354                 }
 355         else {
 356                 if (requested_mode == 1)
 357                         CC->cs_flags = CC->cs_flags|CS_STEALTH;
 358                 }
 359
 360         set_wtmpsupp_to_current_room();
 361         cprintf("%d Ok\n",OK);
 362         }
 363
 364
 365
 366
 367 /*
 368  * display system messages or help
 369  */
 370 void cmd_mesg(char *mname)
 371 {
 372         FILE *mfp;
 373         char targ[256];
 374         char buf[256];
 375         char *dirs[2];
 376
 377         extract(buf,mname,0);
 378
 379
 380         dirs[0]=malloc(64);
 381         dirs[1]=malloc(64);
 382         strcpy(dirs[0],"messages");
 383         strcpy(dirs[1],"help");
 384         mesg_locate(targ,buf,2,dirs);
 385         free(dirs[0]);
 386         free(dirs[1]);
 387
 388
 389         if (strlen(targ)==0) {
 390                 cprintf("%d '%s' not found.\n",ERROR,mname);
 391                 return;
 392                 }
 393
 394         mfp = fopen(targ,"r");
 395         if (mfp==NULL) {
 396                 cprintf("%d Cannot open '%s': %s\n",
 397                         ERROR,targ,strerror(errno));
 398                 return;
 399                 }
 400         cprintf("%d %s\n",LISTING_FOLLOWS,buf);
 401
 402         while (fgets(buf,255,mfp)!=NULL) {
 403                 buf[strlen(buf)-1] = 0;
 404                 do_help_subst(buf);
 405                 cprintf("%s\n",buf);
 406                 }
 407
 408         fclose(mfp);
 409         cprintf("000\n");
 410         }
 411
 412
 413 /*
 414  * enter system messages or help
 415  */
 416 void cmd_emsg(char *mname)
 417 {
 418         FILE *mfp;
 419         char targ[256];
 420         char buf[256];
 421         char *dirs[2];
 422         int a;
 423
 424         if (CC->usersupp.axlevel < 6) {
 425                 cprintf("%d You must be an Aide to edit system messages.\n",
 426                         ERROR+HIGHER_ACCESS_REQUIRED);
 427                 return;
 428                 }
 429
 430         extract(buf,mname,0);
 431         for (a=0; a<strlen(buf); ++a) {         /* security measure */
 432                 if (buf[a] == '/') buf[a] = '.';
 433                 }
 434
 435         dirs[0]=malloc(64);
 436         dirs[1]=malloc(64);
 437         strcpy(dirs[0],"messages");
 438         strcpy(dirs[1],"help");
 439         mesg_locate(targ,buf,2,dirs);
 440         free(dirs[0]);
 441         free(dirs[1]);
 442
 443         if (strlen(targ)==0) {
 444                 snprintf(targ, sizeof targ, "./help/%s", buf);
 445                 }
 446
 447         mfp = fopen(targ,"w");
 448         if (mfp==NULL) {
 449                 cprintf("%d Cannot open '%s': %s\n",
 450                         ERROR,targ,strerror(errno));
 451                 return;
 452                 }
 453         cprintf("%d %s\n", SEND_LISTING, targ);
 454
 455         while (client_gets(buf), strcmp(buf, "000")) {
 456                 fprintf(mfp, "%s\n", buf);
 457                 }
 458
 459         fclose(mfp);
 460         }
 461
 462
 463 /*
 464  * who's online
 465  */
 466 void cmd_rwho(void) {
 467         struct CitContext *cptr;
 468         int spoofed = 0;
 469         int aide;
 470         char un[40], room[40], host[40], flags[5];
 471
 472         aide = CC->usersupp.axlevel >= 6;
 473         cprintf("%d\n",LISTING_FOLLOWS);
 474
 475         for (cptr = ContextList; cptr != NULL; cptr = cptr->next)
 476         {
 477                 flags[0] = '\0';
 478                 spoofed = 0;
 479
 480                 if (cptr->cs_flags & CS_POSTING)
 481                    strcat(flags, "*");
 482                 else
 483                    strcat(flags, ".");
 484
 485                 if (cptr->fake_username[0])
 486                 {
 487                    strcpy(un, cptr->fake_username);
 488                    spoofed = 1;
 489                 }
 490                 else
 491                    strcpy(un, cptr->curr_user);
 492
 493                 if (cptr->fake_hostname[0])
 494                 {
 495                    strcpy(host, cptr->fake_hostname);
 496                    spoofed = 1;
 497                 }
 498                 else
 499                    strcpy(host, cptr->cs_host);
 500
 501                 if (cptr->fake_roomname[0])
 502                 {
 503                    strcpy(room, cptr->fake_roomname);
 504                    spoofed = 1;
 505                 }
 506                 else
 507                    strcpy(room, cptr->cs_room);
 508
 509
 510                 if ((aide) && (spoofed))
 511                    strcat(flags, "+");
 512
 513                 if ((cptr->cs_flags & CS_STEALTH) && (aide))
 514                    strcat(flags, "-");
 515
 516                 if (((cptr->cs_flags&CS_STEALTH)==0) || (aide))
 517                 {
 518                         cprintf("%d|%s|%s|%s|%s|%ld|%s|%s\n",
 519                                 cptr->cs_pid, un, room,
 520                                 host, cptr->cs_clientname,
 521                                 (long)(cptr->lastidle),
 522                                 cptr->lastcmdname, flags);
 523                 }
 524                 if ((spoofed) && (aide))
 525                 {
 526                         cprintf("%d|%s|%s|%s|%s|%ld|%s|%s\n",
 527                                 cptr->cs_pid, cptr->curr_user, cptr->cs_room,
 528                                 cptr->cs_host, cptr->cs_clientname,
 529                                 (long)(cptr->lastidle),
 530                                 cptr->lastcmdname, flags);
 531
 532                 }
 533         }
 534         cprintf("000\n");
 535         }
 536
 537
 538 /*
 539  * Terminate another running session
 540  */
 541 void cmd_term(char *cmdbuf)
 542 {
 543         int session_num;
 544         struct CitContext *ccptr;
 545
 546         if (!CC->logged_in) {
 547                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 548                 return;
 549                 }
 550
 551         if (CC->usersupp.axlevel < 6) {
 552                 cprintf("%d You must be an Aide to terminate sessions.\n",
 553                         ERROR+HIGHER_ACCESS_REQUIRED);
 554                 return;
 555                 }
 556
 557         session_num = extract_int(cmdbuf, 0);
 558         if (session_num == CC->cs_pid) {
 559                 cprintf("%d You can't kill your own session.\n", ERROR);
 560                 return;
 561                 }
 562
 563         for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
 564                 if (session_num == ccptr->cs_pid) {
 565                         kill_session(ccptr->cs_pid);
 566                         cprintf("%d Session terminated.\n", OK);
 567                         return;
 568                         }
 569                 }
 570
 571         cprintf("%d No such session.\n", ERROR);
 572         }
 573
 574
 575
 576
 577
 578 /*
 579  * get the paginator prompt
 580  */
 581 void cmd_more(void) {
 582         cprintf("%d %s\n",OK,config.c_moreprompt);
 583         }
 584
 585 /*
 586  * echo
 587  */
 588 void cmd_echo(char *etext)
 589 {
 590         cprintf("%d %s\n",OK,etext);
 591         }
 592
 593
 594
 595 /*
 596  * identify as internal program
 597  */
 598 void cmd_ipgm(char *argbuf)
 599 {
 600         int secret;
 601
 602         secret = extract_int(argbuf, 0);
 603         if (secret == config.c_ipgm_secret) {
 604                 CC->internal_pgm = 1;
 605                 strcpy(CC->curr_user, "<internal program>");
 606                 CC->cs_flags = CC->cs_flags|CS_STEALTH;
 607                 cprintf("%d Authenticated as an internal program.\n",OK);
 608                 }
 609         else {
 610                 cprintf("%d Authentication failed.\n",ERROR);
 611                 }
 612         }
 613
 614
 615 /*
 616  * Shut down the server
 617  */
 618 void cmd_down(void) {
 619         if (!CC->logged_in) {
 620                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 621                 return;
 622                 }
 623
 624         if (CC->usersupp.axlevel < 6) {
 625                 cprintf("%d You must be an Aide to shut down the server.\n",
 626                         ERROR+HIGHER_ACCESS_REQUIRED);
 627                 return;
 628                 }
 629
 630         cprintf("%d Shutting down server.  Goodbye.\n", OK);
 631         master_cleanup();
 632         }
 633
 634 /*
 635  * Schedule or cancel a server shutdown
 636  */
 637 void cmd_scdn(char *argbuf)
 638 {
 639         int new_state;
 640
 641         if (!CC->logged_in) {
 642                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 643                 return;
 644                 }
 645
 646         if (CC->usersupp.axlevel < 6) {
 647                 cprintf("%d You must be an Aide to schedule a shutdown.\n",
 648                         ERROR+HIGHER_ACCESS_REQUIRED);
 649                 return;
 650                 }
 651
 652         new_state = extract_int(argbuf, 0);
 653         if ((new_state == 0) || (new_state == 1)) {
 654                 ScheduledShutdown = new_state;
 655                 }
 656         cprintf("%d %d\n", OK, ScheduledShutdown);
 657         }
 658
 659
 660 /*
 661  * main context loop
 662  */
 663 void *context_loop(struct CitContext *con)
 664 {
 665         char cmdbuf[256];
 666         int session_num;
 667
 668         /*
 669          * Wedge our way into the context table.
 670          */
 671         InitMyContext(con);
 672
 673         /*
 674          * Initialize some variables specific to our context.
 675          */
 676         CC->logged_in = 0;
 677         CC->internal_pgm = 0;
 678         CC->download_fp = NULL;
 679         CC->upload_fp = NULL;
 680         CC->cs_pid = con->client_socket;        /* not necessarily portable */
 681         CC->FirstExpressMessage = NULL;
 682         CC->msglist = NULL;
 683         CC->num_msgs = 0;
 684         time(&CC->lastcmd);
 685         time(&CC->lastidle);
 686         strcpy(CC->lastcmdname, "    ");
 687         strcpy(CC->cs_clientname, "(unknown)");
 688         strcpy(CC->curr_user,"");
 689         strcpy(CC->net_node,"");
 690         snprintf(CC->temp, sizeof CC->temp, "/tmp/CitServer.%d.%d", getpid(), CC->cs_pid);
 691         strcpy(CC->cs_room, "");
 692         strncpy(CC->cs_host, config.c_fqdn, sizeof CC->cs_host);
 693         CC->cs_host[sizeof CC->cs_host - 1] = 0;
 694         locate_host(CC->cs_host);
 695         CC->cs_flags = 0;
 696         CC->upload_type = UPL_FILE;
 697         CC->dl_is_net = 0;
 698
 699         session_num = session_count();
 700         CC->nologin = 0;
 701         if ((config.c_maxsessions > 0)&&(session_num > config.c_maxsessions))
 702                 CC->nologin = 1;
 703
 704         if (CC->nologin==1) {
 705            cprintf("%d %s: Too many users are already online (maximum is %d)\n",
 706                 ERROR+MAX_SESSIONS_EXCEEDED,
 707                 config.c_nodename,config.c_maxsessions);
 708                 }
 709         else {
 710            cprintf("%d %s Citadel/UX server ready.\n",OK,config.c_nodename);
 711                 }
 712
 713         lprintf(3, "citserver[%3d]: started.\n", CC->cs_pid);
 714
 715         /* Run any session startup routines registered by loadable modules */
 716         PerformSessionHooks(EVT_START);
 717
 718         rec_log(CL_CONNECT, "");
 719
 720         do {
 721                 time(&CC->lastcmd);
 722                 bzero(cmdbuf, sizeof cmdbuf); /* Clear it, just in case */
 723                 if (client_gets(cmdbuf) < 1) cleanup(EXIT_NULL);
 724                 lprintf(5, "citserver[%3d]: %s\n", CC->cs_pid, cmdbuf);
 725
 726                 /*
 727                  * Let other clients see the last command we executed, but
 728                  * exclude NOOP because that would be boring.
 729                  */
 730                 if (strncasecmp(cmdbuf, "NOOP", 4)) {
 731                         strcpy(CC->lastcmdname, "    ");
 732                         strncpy(CC->lastcmdname, cmdbuf, 4);
 733                         time(&CC->lastidle);
 734                         }
 735
 736                 if ((strncasecmp(cmdbuf, "ENT0", 4)) && (strncasecmp(cmdbuf, "MESG", 4)) && (strncasecmp(cmdbuf, "MSGS", 4)))
 737                 {
 738                    CC->cs_flags &= ~CS_POSTING;
 739                 }
 740
 741 /*
 742  * This loop recognizes all server commands.
 743  */
 744
 745                 if (!strncasecmp(cmdbuf,"NOOP",4)) {
 746                         cprintf("%d%cok\n",OK,check_express());
 747                         }
 748
 749                 else if (!strncasecmp(cmdbuf,"QUIT",4)) {
 750                         cprintf("%d Goodbye.\n",OK);
 751                         }
 752
 753                 else if (!strncasecmp(cmdbuf,"LOUT",4)) {
 754                         if (CC->logged_in) logout(CC);
 755                         cprintf("%d logged out.\n",OK);
 756                         }
 757
 758                 else if (!strncasecmp(cmdbuf,"USER",4)) {
 759                         cmd_user(&cmdbuf[5]);
 760                         }
 761
 762                 else if (!strncasecmp(cmdbuf,"PASS",4)) {
 763                         cmd_pass(&cmdbuf[5]);
 764                         }
 765
 766                 else if (!strncasecmp(cmdbuf,"NEWU",4)) {
 767                         cmd_newu(&cmdbuf[5]);
 768                         }
 769
 770                 else if (!strncasecmp(cmdbuf,"SETP",4)) {
 771                         cmd_setp(&cmdbuf[5]);
 772                         }
 773
 774                 else if (!strncasecmp(cmdbuf,"LRMS",4)) {
 775                         cmd_lrms(&cmdbuf[5]);
 776                         }
 777
 778                 else if (!strncasecmp(cmdbuf,"LKRA",4)) {
 779                         cmd_lkra(&cmdbuf[5]);
 780                         }
 781
 782                 else if (!strncasecmp(cmdbuf,"LKRN",4)) {
 783                         cmd_lkrn(&cmdbuf[5]);
 784                         }
 785
 786                 else if (!strncasecmp(cmdbuf,"LKRO",4)) {
 787                         cmd_lkro(&cmdbuf[5]);
 788                         }
 789
 790                 else if (!strncasecmp(cmdbuf,"LZRM",4)) {
 791                         cmd_lzrm(&cmdbuf[5]);
 792                         }
 793
 794                 else if (!strncasecmp(cmdbuf,"GETU",4)) {
 795                         cmd_getu();
 796                         }
 797
 798                 else if (!strncasecmp(cmdbuf,"SETU",4)) {
 799                         cmd_setu(&cmdbuf[5]);
 800                         }
 801
 802                 else if (!strncasecmp(cmdbuf,"GOTO",4)) {
 803                         cmd_goto(&cmdbuf[5]);
 804                         }
 805
 806                 else if (!strncasecmp(cmdbuf,"MSGS",4)) {
 807                         cmd_msgs(&cmdbuf[5]);
 808                         }
 809
 810                 else if (!strncasecmp(cmdbuf,"WHOK",4)) {
 811                         cmd_whok();
 812                         }
 813
 814                 else if (!strncasecmp(cmdbuf,"RDIR",4)) {
 815                         cmd_rdir();
 816                         }
 817
 818                 else if (!strncasecmp(cmdbuf,"MSG0",4)) {
 819                         cmd_msg0(&cmdbuf[5]);
 820                         }
 821
 822                 else if (!strncasecmp(cmdbuf,"MSG2",4)) {
 823                         cmd_msg2(&cmdbuf[5]);
 824                         }
 825
 826                 else if (!strncasecmp(cmdbuf,"MSG3",4)) {
 827                         cmd_msg3(&cmdbuf[5]);
 828                         }
 829
 830                 else if (!strncasecmp(cmdbuf,"INFO",4)) {
 831                         cmd_info();
 832                         }
 833
 834                 else if (!strncasecmp(cmdbuf,"SLRP",4)) {
 835                         cmd_slrp(&cmdbuf[5]);
 836                         }
 837
 838                 else if (!strncasecmp(cmdbuf,"INVT",4)) {
 839                         cmd_invt_kick(&cmdbuf[5],1);
 840                         }
 841
 842                 else if (!strncasecmp(cmdbuf,"KICK",4)) {
 843                         cmd_invt_kick(&cmdbuf[5],0);
 844                         }
 845
 846                 else if (!strncasecmp(cmdbuf,"GETR",4)) {
 847                         cmd_getr();
 848                         }
 849
 850                 else if (!strncasecmp(cmdbuf,"SETR",4)) {
 851                         cmd_setr(&cmdbuf[5]);
 852                         }
 853
 854                 else if (!strncasecmp(cmdbuf,"GETA",4)) {
 855                         cmd_geta();
 856                         }
 857
 858                 else if (!strncasecmp(cmdbuf,"SETA",4)) {
 859                         cmd_seta(&cmdbuf[5]);
 860                         }
 861
 862                 else if (!strncasecmp(cmdbuf,"ENT0",4)) {
 863                         cmd_ent0(&cmdbuf[5]);
 864                         }
 865
 866                 else if (!strncasecmp(cmdbuf,"ENT3",4)) {
 867                         cmd_ent3(&cmdbuf[5]);
 868                         }
 869
 870                 else if (!strncasecmp(cmdbuf,"RINF",4)) {
 871                         cmd_rinf();
 872                         }
 873
 874                 else if (!strncasecmp(cmdbuf,"DELE",4)) {
 875                         cmd_dele(&cmdbuf[5]);
 876                         }
 877
 878                 else if (!strncasecmp(cmdbuf,"KILL",4)) {
 879                         cmd_kill(&cmdbuf[5]);
 880                         }
 881
 882                 else if (!strncasecmp(cmdbuf,"CRE8",4)) {
 883                         cmd_cre8(&cmdbuf[5]);
 884                         }
 885
 886                 else if (!strncasecmp(cmdbuf,"MOVE",4)) {
 887                         cmd_move(&cmdbuf[5]);
 888                         }
 889
 890                 else if (!strncasecmp(cmdbuf,"FORG",4)) {
 891                         cmd_forg();
 892                         }
 893
 894                 else if (!strncasecmp(cmdbuf,"MESG",4)) {
 895                         cmd_mesg(&cmdbuf[5]);
 896                         }
 897
 898                 else if (!strncasecmp(cmdbuf,"EMSG",4)) {
 899                         cmd_emsg(&cmdbuf[5]);
 900                         }
 901
 902                 else if (!strncasecmp(cmdbuf,"GNUR",4)) {
 903                         cmd_gnur();
 904                         }
 905
 906                 else if (!strncasecmp(cmdbuf,"GREG",4)) {
 907                         cmd_greg(&cmdbuf[5]);
 908                         }
 909
 910                 else if (!strncasecmp(cmdbuf,"VALI",4)) {
 911                         cmd_vali(&cmdbuf[5]);
 912                         }
 913
 914                 else if (!strncasecmp(cmdbuf,"EINF",4)) {
 915                         cmd_einf(&cmdbuf[5]);
 916                         }
 917
 918                 else if (!strncasecmp(cmdbuf,"LIST",4)) {
 919                         cmd_list();
 920                         }
 921
 922                 else if (!strncasecmp(cmdbuf,"REGI",4)) {
 923                         cmd_regi();
 924                         }
 925
 926                 else if (!strncasecmp(cmdbuf,"CHEK",4)) {
 927                         cmd_chek();
 928                         }
 929
 930                 else if (!strncasecmp(cmdbuf,"DELF",4)) {
 931                         cmd_delf(&cmdbuf[5]);
 932                         }
 933
 934                 else if (!strncasecmp(cmdbuf,"MOVF",4)) {
 935                         cmd_movf(&cmdbuf[5]);
 936                         }
 937
 938                 else if (!strncasecmp(cmdbuf,"NETF",4)) {
 939                         cmd_netf(&cmdbuf[5]);
 940                         }
 941
 942                 else if (!strncasecmp(cmdbuf,"RWHO",4)) {
 943                         cmd_rwho();
 944                         }
 945
 946                 else if (!strncasecmp(cmdbuf,"OPEN",4)) {
 947                         cmd_open(&cmdbuf[5]);
 948                         }
 949
 950                 else if (!strncasecmp(cmdbuf,"CLOS",4)) {
 951                         cmd_clos();
 952                         }
 953
 954                 else if (!strncasecmp(cmdbuf,"UOPN",4)) {
 955                         cmd_uopn(&cmdbuf[5]);
 956                         }
 957
 958                 else if (!strncasecmp(cmdbuf,"UCLS",4)) {
 959                         cmd_ucls(&cmdbuf[5]);
 960                         }
 961
 962                 else if (!strncasecmp(cmdbuf,"READ",4)) {
 963                         cmd_read(&cmdbuf[5]);
 964                         }
 965
 966                 else if (!strncasecmp(cmdbuf,"WRIT",4)) {
 967                         cmd_writ(&cmdbuf[5]);
 968                         }
 969
 970                 else if (!strncasecmp(cmdbuf,"QUSR",4)) {
 971                         cmd_qusr(&cmdbuf[5]);
 972                         }
 973
 974                 else if (!strncasecmp(cmdbuf,"ECHO",4)) {
 975                         cmd_echo(&cmdbuf[5]);
 976                         }
 977
 978                 else if (!strncasecmp(cmdbuf,"OIMG",4)) {
 979                         cmd_oimg(&cmdbuf[5]);
 980                         }
 981
 982                 else if (!strncasecmp(cmdbuf,"MORE",4)) {
 983                         cmd_more();
 984                         }
 985
 986                 else if (!strncasecmp(cmdbuf,"NETP",4)) {
 987                         cmd_netp(&cmdbuf[5]);
 988                         }
 989
 990                 else if (!strncasecmp(cmdbuf,"NDOP",4)) {
 991                         cmd_ndop(&cmdbuf[5]);
 992                         }
 993
 994                 else if (!strncasecmp(cmdbuf,"NUOP",4)) {
 995                         cmd_nuop(&cmdbuf[5]);
 996                         }
 997
 998                 else if (!strncasecmp(cmdbuf,"LFLR",4)) {
 999                         cmd_lflr();
1000                         }
1001
1002                 else if (!strncasecmp(cmdbuf,"CFLR",4)) {
1003                         cmd_cflr(&cmdbuf[5]);
1004                         }
1005
1006                 else if (!strncasecmp(cmdbuf,"KFLR",4)) {
1007                         cmd_kflr(&cmdbuf[5]);
1008                         }
1009
1010                 else if (!strncasecmp(cmdbuf,"EFLR",4)) {
1011                         cmd_eflr(&cmdbuf[5]);
1012                         }
1013
1014                 else if (!strncasecmp(cmdbuf,"IDEN",4)) {
1015                         cmd_iden(&cmdbuf[5]);
1016                         }
1017
1018                 else if (!strncasecmp(cmdbuf,"IPGM",4)) {
1019                         cmd_ipgm(&cmdbuf[5]);
1020                         }
1021
1022                 else if (!strncasecmp(cmdbuf,"EBIO",4)) {
1023                         cmd_ebio();
1024                         }
1025
1026                 else if (!strncasecmp(cmdbuf,"RBIO",4)) {
1027                         cmd_rbio(&cmdbuf[5]);
1028                         }
1029
1030                 else if (!strncasecmp(cmdbuf,"LBIO",4)) {
1031                         cmd_lbio();
1032                         }
1033
1034                 else if (!strncasecmp(cmdbuf,"STEL",4)) {
1035                         cmd_stel(&cmdbuf[5]);
1036                         }
1037
1038                 else if (!strncasecmp(cmdbuf,"TERM",4)) {
1039                         cmd_term(&cmdbuf[5]);
1040                         }
1041
1042                 else if (!strncasecmp(cmdbuf,"DOWN",4)) {
1043                         cmd_down();
1044                         }
1045
1046                 else if (!strncasecmp(cmdbuf,"SCDN",4)) {
1047                         cmd_scdn(&cmdbuf[5]);
1048                         }
1049
1050                 else if (!strncasecmp(cmdbuf, "NSET", 4)) {
1051                         cmd_nset(&cmdbuf[5]);
1052                         }
1053
1054                 else if (!strncasecmp(cmdbuf, "UIMG", 4)) {
1055                         cmd_uimg(&cmdbuf[5]);
1056                         }
1057
1058                 else if (!strncasecmp(cmdbuf, "UCHG", 4)) {
1059                         cmd_uchg(&cmdbuf[5]);
1060                         }
1061
1062                 else if (!strncasecmp(cmdbuf, "TIME", 4)) {
1063                         cmd_time();
1064                         }
1065
1066                 else if (!strncasecmp(cmdbuf, "HCHG", 4)) {
1067                         cmd_hchg(&cmdbuf[5]);
1068                         }
1069
1070                 else if (!strncasecmp(cmdbuf, "RCHG", 4)) {
1071                         cmd_rchg(&cmdbuf[5]);
1072                         }
1073
1074                 else if (!strncasecmp(cmdbuf, "AGUP", 4)) {
1075                         cmd_agup(&cmdbuf[5]);
1076                         }
1077
1078                 else if (!strncasecmp(cmdbuf, "ASUP", 4)) {
1079                         cmd_asup(&cmdbuf[5]);
1080                         }
1081
1082                 else if (!strncasecmp(cmdbuf, "GPEX", 4)) {
1083                         cmd_gpex(&cmdbuf[5]);
1084                         }
1085
1086                 else if (!strncasecmp(cmdbuf, "SPEX", 4)) {
1087                         cmd_spex(&cmdbuf[5]);
1088                         }
1089
1090                 else if (!strncasecmp(cmdbuf, "CONF", 4)) {
1091                         cmd_conf(&cmdbuf[5]);
1092                         }
1093
1094                 else if (!DLoader_Exec_Cmd(cmdbuf))
1095                         {
1096                            cprintf("%d Unrecognized or unsupported command.\n",
1097                                     ERROR);
1098                         }
1099
1100                 } while(strncasecmp(cmdbuf, "QUIT", 4));
1101
1102         cleanup(EXIT_NORMAL);
1103         return(NULL);
1104         }