4 * Main source module for the Citadel server
18 #include <sys/types.h>
22 #if TIME_WITH_SYS_TIME
23 # include <sys/time.h>
27 # include <sys/time.h>
37 /* #include <dlfcn.h> */
39 #include <sys/types.h>
40 #include <sys/socket.h>
41 #include <netinet/in.h>
42 #include <arpa/inet.h>
45 #include "serv_extensions.h"
46 #include "sysdep_decls.h"
47 #include "citserver.h"
50 #include "housekeeping.h"
54 #include "locate_host.h"
65 struct CitContext *ContextList = NULL;
66 struct CitContext* next_session = NULL;
67 char *unique_session_numbers;
68 int ScheduledShutdown = 0;
70 time_t server_startup_time;
73 * Various things that need to be initialized at startup
75 void master_startup(void) {
79 struct ctdlroom qrbuf;
81 lprintf(CTDL_DEBUG, "master_startup() started\n");
82 time(&server_startup_time);
84 lprintf(CTDL_INFO, "Opening databases\n");
93 lprintf(CTDL_INFO, "Creating base rooms (if necessary)\n");
94 create_room(BASEROOM, 0, "", 0, 1, 0, VIEW_BBS);
95 create_room(AIDEROOM, 3, "", 0, 1, 0, VIEW_BBS);
96 create_room(SYSCONFIGROOM, 3, "", 0, 1, 0, VIEW_BBS);
97 create_room(config.c_twitroom, 0, "", 0, 1, 0, VIEW_BBS);
99 /* The "Local System Configuration" room doesn't need to be visible */
100 if (lgetroom(&qrbuf, SYSCONFIGROOM) == 0) {
101 qrbuf.QRflags2 |= QR2_SYSTEM;
105 lprintf(CTDL_INFO, "Seeding the pseudo-random number generator...\n");
106 urandom = fopen("/dev/urandom", "r");
107 if (urandom != NULL) {
108 fread(&seed, sizeof seed, 1, urandom);
112 gettimeofday(&tv, NULL);
117 lprintf(CTDL_INFO, "Initializing ipgm secret\n");
119 config.c_ipgm_secret = rand();
122 lprintf(CTDL_DEBUG, "master_startup() finished\n");
127 * Cleanup routine to be called when the server is shutting down.
128 * WARNING: It's no longer safe to call this function to force a shutdown.
129 * Instead, set time_to_die = 1.
131 void master_cleanup(void) {
132 struct CleanupFunctionHook *fcn;
134 /* Run any cleanup routines registered by loadable modules */
135 for (fcn = CleanupHookTable; fcn != NULL; fcn = fcn->next) {
136 (*fcn->h_function_pointer)();
139 /* Close databases */
140 lprintf(CTDL_INFO, "Closing databases\n");
143 /* Do system-dependent stuff */
144 sysdep_master_cleanup();
146 #ifdef DEBUG_MEMORY_LEAKS
151 lprintf(CTDL_NOTICE, "citserver: exiting.\n");
152 fflush(stdout); fflush(stderr);
158 * Free any per-session data allocated by modules or whatever
160 void deallocate_user_data(struct CitContext *con)
162 struct CtdlSessData *ptr;
164 begin_critical_section(S_SESSION_TABLE);
165 while (con->FirstSessData != NULL) {
166 lprintf(CTDL_DEBUG, "Deallocating user data symbol %ld\n",
167 con->FirstSessData->sym_id);
168 if (con->FirstSessData->sym_data != NULL)
169 free(con->FirstSessData->sym_data);
170 ptr = con->FirstSessData->next;
171 free(con->FirstSessData);
172 con->FirstSessData = ptr;
174 end_critical_section(S_SESSION_TABLE);
181 * Terminate a session and remove its context data structure.
183 void RemoveContext (struct CitContext *con)
185 struct CitContext *ptr = NULL;
186 struct CitContext *ToFree = NULL;
189 lprintf(CTDL_ERR, "WARNING: RemoveContext() called with NULL!\n");
192 lprintf(CTDL_DEBUG, "RemoveContext() called\n");
194 /* Remove the context from the global context list. This needs
195 * to get done FIRST to avoid concurrency problems. It is *vitally*
196 * important to keep num_sessions accurate!!
198 lprintf(CTDL_DEBUG, "Removing context for session %d\n", con->cs_pid);
199 begin_critical_section(S_SESSION_TABLE);
200 if (ContextList == con) {
201 ToFree = ContextList;
202 ContextList = ContextList->next;
206 for (ptr = ContextList; ptr != NULL; ptr = ptr->next) {
207 if (ptr->next == con) {
208 /* See fair scheduling in sysdep.c */
209 if (next_session == ptr->next)
210 next_session = ptr->next->next;
212 ptr->next = ptr->next->next;
217 end_critical_section(S_SESSION_TABLE);
219 if (ToFree == NULL) {
220 lprintf(CTDL_DEBUG, "RemoveContext() found nothing to remove\n");
224 /* Run any cleanup routines registered by loadable modules.
225 * Note 1: This must occur *before* deallocate_user_data() because the
226 * cleanup functions might touch dynamic session data.
227 * Note 2: We have to "become_session()" because the cleanup functions
228 * might make references to "CC" assuming it's the right one.
231 PerformSessionHooks(EVT_STOP);
232 become_session(NULL);
234 /* Now handle all of the administrivia. */
235 lprintf(CTDL_DEBUG, "Calling logout(%d)\n", con->cs_pid);
239 lprintf(CTDL_NOTICE, "[%3d] Session ended.\n", con->cs_pid);
241 /* Deallocate any user-data attached to this session */
242 deallocate_user_data(con);
244 /* If the client is still connected, blow 'em away. */
245 lprintf(CTDL_DEBUG, "Closing socket %d\n", con->client_socket);
246 close(con->client_socket);
248 /* This is where we used to check for scheduled shutdowns. */
250 /* Free up the memory used by this context */
253 lprintf(CTDL_DEBUG, "Done with RemoveContext()\n");
261 * Return a pointer to some generic per-session user data.
262 * (This function returns NULL if the requested symbol is not allocated.)
264 * NOTE: we use critical sections for allocating and de-allocating these,
265 * but not for locating one.
267 void *CtdlGetUserData(unsigned long requested_sym)
269 struct CtdlSessData *ptr;
271 for (ptr = CC->FirstSessData; ptr != NULL; ptr = ptr->next)
272 if (ptr->sym_id == requested_sym)
273 return(ptr->sym_data);
275 lprintf(CTDL_ERR, "ERROR! CtdlGetUserData(%ld) symbol not allocated\n",
282 * Allocate some generic per-session user data.
284 void CtdlAllocUserData(unsigned long requested_sym, size_t num_bytes)
286 struct CtdlSessData *ptr;
288 lprintf(CTDL_DEBUG, "CtdlAllocUserData(%ld) called\n", requested_sym);
290 /* Fail silently if the symbol is already registered. */
291 for (ptr = CC->FirstSessData; ptr != NULL; ptr = ptr->next) {
292 if (ptr->sym_id == requested_sym) {
297 /* Grab us some memory! Dem's good eatin' !! */
298 ptr = malloc(sizeof(struct CtdlSessData));
299 ptr->sym_id = requested_sym;
300 ptr->sym_data = malloc(num_bytes);
301 memset(ptr->sym_data, 0, num_bytes);
303 begin_critical_section(S_SESSION_TABLE);
304 ptr->next = CC->FirstSessData;
305 CC->FirstSessData = ptr;
306 end_critical_section(S_SESSION_TABLE);
308 lprintf(CTDL_DEBUG, "CtdlAllocUserData(%ld) finished\n", requested_sym);
313 * Change the size of a buffer allocated with CtdlAllocUserData()
315 void CtdlReallocUserData(unsigned long requested_sym, size_t num_bytes)
317 struct CtdlSessData *ptr;
319 for (ptr = CC->FirstSessData; ptr != NULL; ptr = ptr->next) {
320 if (ptr->sym_id == requested_sym) {
321 ptr->sym_data = realloc(ptr->sym_data, num_bytes);
326 lprintf(CTDL_ERR, "CtdlReallocUserData() ERROR: symbol %ld not found!\n",
336 * cmd_info() - tell the client about this server
338 void cmd_info(void) {
339 cprintf("%d Server info:\n", LISTING_FOLLOWS);
340 cprintf("%d\n", CC->cs_pid);
341 cprintf("%s\n", config.c_nodename);
342 cprintf("%s\n", config.c_humannode);
343 cprintf("%s\n", config.c_fqdn);
344 cprintf("%s\n", CITADEL);
345 cprintf("%d\n", REV_LEVEL);
346 cprintf("%s\n", config.c_bbs_city);
347 cprintf("%s\n", config.c_sysadm);
348 cprintf("%d\n", SERVER_TYPE);
349 cprintf("%s\n", config.c_moreprompt);
350 cprintf("1\n"); /* 1 = yes, this system supports floors */
351 cprintf("1\n"); /* 1 = we support the extended paging options */
352 cprintf("%s\n", CC->cs_nonce);
353 cprintf("1\n"); /* 1 = yes, this system supports the QNOP command */
355 cprintf("1\n"); /* 1 = yes, this server is LDAP-enabled */
357 cprintf("0\n"); /* 1 = no, this server is not LDAP-enabled */
364 * returns an asterisk if there are any instant messages waiting,
367 char CtdlCheckExpress(void) {
368 if (CC->FirstExpressMessage == NULL) {
382 localtime_r(&tv, &tmp);
384 /* timezone and daylight global variables are not portable. */
385 #ifdef HAVE_STRUCT_TM_TM_GMTOFF
386 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, tmp.tm_gmtoff, tmp.tm_isdst);
388 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, timezone, tmp.tm_isdst);
394 * Check originating host against the public_clients file. This determines
395 * whether the client is allowed to change the hostname for this session
396 * (for example, to show the location of the user rather than the location
399 int is_public_client(void)
406 static time_t pc_timestamp = 0;
407 static char public_clients[SIZ];
409 #define PUBLIC_CLIENTS "./public_clients"
412 * Check the time stamp on the public_clients file. If it's been
413 * updated since the last time we were here (or if this is the first
414 * time we've been through the loop), read its contents and learn
415 * the IP addresses of the listed hosts.
417 if (stat(PUBLIC_CLIENTS, &statbuf) != 0) {
418 /* No public_clients file exists, so bail out */
419 lprintf(CTDL_WARNING, "Warning: '%s' does not exist\n", PUBLIC_CLIENTS);
423 if (statbuf.st_mtime > pc_timestamp) {
424 begin_critical_section(S_PUBLIC_CLIENTS);
425 lprintf(CTDL_INFO, "Loading %s\n", PUBLIC_CLIENTS);
427 strcpy(public_clients, "127.0.0.1");
428 if (hostname_to_dotted_quad(addrbuf, config.c_fqdn) == 0) {
429 strcat(public_clients, "|");
430 strcat(public_clients, addrbuf);
433 fp = fopen("public_clients", "r");
434 if (fp != NULL) while (fgets(buf, sizeof buf, fp)!=NULL) {
435 for (i=0; i<strlen(buf); ++i) {
436 if (buf[i] == '#') buf[i] = 0;
438 while (isspace((buf[strlen(buf)-1]))) {
439 buf[strlen(buf)-1] = 0;
441 if (hostname_to_dotted_quad(addrbuf, buf) == 0) {
442 if ((strlen(public_clients) +
444 < sizeof(public_clients)) {
445 strcat(public_clients, addrbuf);
450 pc_timestamp = time(NULL);
451 end_critical_section(S_PUBLIC_CLIENTS);
454 lprintf(CTDL_DEBUG, "Checking whether %s is a local or public client\n",
456 for (i=0; i<num_parms(public_clients); ++i) {
457 extract(addrbuf, public_clients, i);
458 if (!strcasecmp(CC->cs_addr, addrbuf)) {
459 lprintf(CTDL_DEBUG, "... yes it is.\n");
464 /* No hits. This is not a public client. */
465 lprintf(CTDL_DEBUG, "... no it isn't.\n");
471 * the client is identifying itself to the server
473 void cmd_iden(char *argbuf)
483 if (num_parms(argbuf)<4) {
484 cprintf("%d usage error\n", ERROR + ILLEGAL_VALUE);
488 dev_code = extract_int(argbuf,0);
489 cli_code = extract_int(argbuf,1);
490 rev_level = extract_int(argbuf,2);
491 extract(desc,argbuf,3);
493 safestrncpy(from_host, config.c_fqdn, sizeof from_host);
494 from_host[sizeof from_host - 1] = 0;
495 if (num_parms(argbuf)>=5) extract(from_host,argbuf,4);
497 CC->cs_clientdev = dev_code;
498 CC->cs_clienttyp = cli_code;
499 CC->cs_clientver = rev_level;
500 safestrncpy(CC->cs_clientname, desc, sizeof CC->cs_clientname);
501 CC->cs_clientname[31] = 0;
503 if (strlen(from_host) > 0) {
504 if (CC->is_local_socket) do_lookup = 1;
505 else if (is_public_client()) do_lookup = 1;
509 lprintf(CTDL_DEBUG, "Looking up hostname '%s'\n", from_host);
510 if ((addr.s_addr = inet_addr(from_host)) != -1) {
511 locate_host(CC->cs_host, sizeof CC->cs_host,
516 safestrncpy(CC->cs_host, from_host, sizeof CC->cs_host);
517 CC->cs_host[sizeof CC->cs_host - 1] = 0;
521 lprintf(CTDL_NOTICE, "Client %d/%d/%01d.%02d (%s) from %s\n",
528 cprintf("%d Ok\n",CIT_OK);
533 * display system messages or help
535 void cmd_mesg(char *mname)
543 extract(buf,mname,0);
547 strcpy(dirs[0],"messages");
548 strcpy(dirs[1],"help");
549 snprintf(buf2, sizeof buf2, "%s.%d.%d", buf, CC->cs_clientdev, CC->cs_clienttyp);
550 mesg_locate(targ,sizeof targ,buf2,2,(const char **)dirs);
551 if (strlen(targ) == 0) {
552 snprintf(buf2, sizeof buf2, "%s.%d", buf, CC->cs_clientdev);
553 mesg_locate(targ,sizeof targ,buf2,2,(const char **)dirs);
554 if (strlen(targ) == 0) {
555 mesg_locate(targ,sizeof targ,buf,2,(const char **)dirs);
561 if (strlen(targ)==0) {
562 cprintf("%d '%s' not found.\n",ERROR + FILE_NOT_FOUND, mname);
566 mfp = fopen(targ,"r");
568 cprintf("%d Cannot open '%s': %s\n",
569 ERROR + INTERNAL_ERROR, targ, strerror(errno));
572 cprintf("%d %s\n",LISTING_FOLLOWS,buf);
574 while (fgets(buf, (SIZ-1), mfp)!=NULL) {
575 buf[strlen(buf)-1] = 0;
586 * enter system messages or help
588 void cmd_emsg(char *mname)
598 if (CtdlAccessCheck(ac_aide)) return;
600 extract(buf,mname,0);
601 for (a=0; a<strlen(buf); ++a) { /* security measure */
602 if (buf[a] == '/') buf[a] = '.';
607 strcpy(dirs[0],"messages");
608 strcpy(dirs[1],"help");
609 mesg_locate(targ,sizeof targ,buf,2,(const char**)dirs);
613 if (strlen(targ)==0) {
614 snprintf(targ, sizeof targ, "./help/%s", buf);
617 mfp = fopen(targ,"w");
619 cprintf("%d Cannot open '%s': %s\n",
620 ERROR + INTERNAL_ERROR, targ, strerror(errno));
623 cprintf("%d %s\n", SEND_LISTING, targ);
625 while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
626 fprintf(mfp, "%s\n", buf);
633 /* Don't show the names of private rooms unless the viewing
634 * user also knows the rooms.
636 void GenerateRoomDisplay(char *real_room,
637 struct CitContext *viewed,
638 struct CitContext *viewer) {
642 strcpy(real_room, viewed->room.QRname);
643 if (viewed->room.QRflags & QR_MAILBOX) {
644 strcpy(real_room, &real_room[11]);
646 if (viewed->room.QRflags & QR_PRIVATE) {
647 CtdlRoomAccess(&viewed->room, &viewer->user, &ra, NULL);
648 if ( (ra & UA_KNOWN) == 0) {
649 strcpy(real_room, "<private room>");
653 if (viewed->cs_flags & CS_CHAT) {
654 while (strlen(real_room) < 14)
655 strcat(real_room, " ");
657 strcpy(&real_room[14], "<chat>");
663 * Convenience function.
665 int CtdlAccessCheck(int required_level) {
667 if (CC->internal_pgm) return(0);
668 if (required_level >= ac_internal) {
669 cprintf("%d This is not a user-level command.\n",
670 ERROR + HIGHER_ACCESS_REQUIRED);
674 if ((required_level >= ac_logged_in) && (CC->logged_in == 0)) {
675 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
679 if (CC->user.axlevel >= 6) return(0);
680 if (required_level >= ac_aide) {
681 cprintf("%d This command requires Aide access.\n",
682 ERROR + HIGHER_ACCESS_REQUIRED);
686 if (is_room_aide()) return(0);
687 if (required_level >= ac_room_aide) {
688 cprintf("%d This command requires Aide or Room Aide access.\n",
689 ERROR + HIGHER_ACCESS_REQUIRED);
693 /* shhh ... succeed quietly */
700 * Terminate another running session
702 void cmd_term(char *cmdbuf)
705 struct CitContext *ccptr;
709 session_num = extract_int(cmdbuf, 0);
710 if (session_num == CC->cs_pid) {
711 cprintf("%d You can't kill your own session.\n", ERROR + ILLEGAL_VALUE);
715 lprintf(CTDL_DEBUG, "Locating session to kill\n");
716 begin_critical_section(S_SESSION_TABLE);
717 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
718 if (session_num == ccptr->cs_pid) {
720 if ((ccptr->user.usernum == CC->user.usernum)
721 || (CC->user.axlevel >= 6)) {
730 end_critical_section(S_SESSION_TABLE);
734 cprintf("%d Session terminated.\n", CIT_OK);
737 cprintf("%d You are not allowed to do that.\n",
738 ERROR + HIGHER_ACCESS_REQUIRED);
742 cprintf("%d No such session.\n", ERROR + ILLEGAL_VALUE);
751 * get the paginator prompt
753 void cmd_more(void) {
754 cprintf("%d %s\n", CIT_OK, config.c_moreprompt);
760 void cmd_echo(char *etext)
762 cprintf("%d %s\n", CIT_OK, etext);
768 * identify as internal program
770 void cmd_ipgm(char *argbuf)
774 secret = extract_int(argbuf, 0);
776 /* For security reasons, we do NOT allow this command to run
777 * over the network. Local sockets only.
779 if (!CC->is_local_socket) {
781 cprintf("%d Authentication failed.\n", ERROR + PASSWORD_REQUIRED);
783 else if (secret == config.c_ipgm_secret) {
784 CC->internal_pgm = 1;
785 strcpy(CC->curr_user, "<internal program>");
786 CC->cs_flags = CC->cs_flags|CS_STEALTH;
787 cprintf("%d Authenticated as an internal program.\n", CIT_OK);
791 cprintf("%d Authentication failed.\n", ERROR + PASSWORD_REQUIRED);
792 lprintf(CTDL_ERR, "Warning: ipgm authentication failed.\n");
796 /* Now change the ipgm secret for the next round. */
798 config.c_ipgm_secret = rand();
804 * Shut down the server
806 void cmd_down(void) {
808 if (CtdlAccessCheck(ac_aide)) return;
810 cprintf("%d Shutting down server. Goodbye.\n", CIT_OK);
815 * Schedule or cancel a server shutdown
817 void cmd_scdn(char *argbuf)
821 if (CtdlAccessCheck(ac_aide)) return;
823 new_state = extract_int(argbuf, 0);
824 if ((new_state == 0) || (new_state == 1)) {
825 ScheduledShutdown = new_state;
827 cprintf("%d %d\n", CIT_OK, ScheduledShutdown);
832 * Set or unset asynchronous protocol mode
834 void cmd_asyn(char *argbuf)
838 new_state = extract_int(argbuf, 0);
839 if ((new_state == 0) || (new_state == 1)) {
840 CC->is_async = new_state;
842 cprintf("%d %d\n", CIT_OK, CC->is_async);
847 * Generate a "nonce" for APOP-style authentication.
849 * RFC 1725 et al specify a PID to be placed in front of the nonce.
850 * Quoth BTX: That would be stupid.
852 void generate_nonce(struct CitContext *con) {
855 memset(con->cs_nonce, NONCE_SIZE, 0);
856 gettimeofday(&tv, NULL);
857 memset(con->cs_nonce, NONCE_SIZE, 0);
858 snprintf(con->cs_nonce, NONCE_SIZE, "<%d%ld@%s>",
859 rand(), (long)tv.tv_usec, config.c_fqdn);
866 * Back-end function for starting a session
868 void begin_session(struct CitContext *con)
871 struct sockaddr_in sin;
874 * Initialize some variables specific to our context.
877 con->internal_pgm = 0;
878 con->download_fp = NULL;
879 con->upload_fp = NULL;
880 con->FirstExpressMessage = NULL;
882 time(&con->lastidle);
883 strcpy(con->lastcmdname, " ");
884 strcpy(con->cs_clientname, "(unknown)");
885 strcpy(con->curr_user, NLI);
886 strcpy(con->net_node,"");
887 strcpy(con->fake_username, "");
888 strcpy(con->fake_postname, "");
889 strcpy(con->fake_hostname, "");
890 strcpy(con->fake_roomname, "");
892 safestrncpy(con->temp, tmpnam(NULL), sizeof con->temp);
893 safestrncpy(con->cs_host, config.c_fqdn, sizeof con->cs_host);
894 safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
895 con->cs_host[sizeof con->cs_host - 1] = 0;
897 if (!CC->is_local_socket) {
898 if (!getpeername(con->client_socket,
899 (struct sockaddr *) &sin, &len)) /* should be socklen_t but doesn't work on Macintosh */
900 locate_host(con->cs_host, sizeof con->cs_host,
901 con->cs_addr, sizeof con->cs_addr,
905 strcpy(con->cs_host, "");
908 con->upload_type = UPL_FILE;
910 con->FirstSessData = NULL;
913 if ((config.c_maxsessions > 0)&&(num_sessions > config.c_maxsessions))
916 lprintf(CTDL_NOTICE, "Session started.\n");
918 /* Run any session startup routines registered by loadable modules */
919 PerformSessionHooks(EVT_START);
923 void citproto_begin_session() {
924 if (CC->nologin==1) {
925 cprintf("%d %s: Too many users are already online "
927 ERROR + MAX_SESSIONS_EXCEEDED,
928 config.c_nodename, config.c_maxsessions);
931 cprintf("%d %s Citadel server ready.\n",
932 CIT_OK, config.c_nodename);
940 * This loop recognizes all server commands.
942 void do_command_loop(void) {
946 memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
947 if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
948 lprintf(CTDL_ERR, "Client socket is broken; ending session\n");
952 lprintf(CTDL_INFO, "Citadel: %s\n", cmdbuf);
957 * Let other clients see the last command we executed, and
958 * update the idle time, but not NOOP, QNOP, PEXP, or GEXP.
960 if ( (strncasecmp(cmdbuf, "NOOP", 4))
961 && (strncasecmp(cmdbuf, "QNOP", 4))
962 && (strncasecmp(cmdbuf, "PEXP", 4))
963 && (strncasecmp(cmdbuf, "GEXP", 4)) ) {
964 strcpy(CC->lastcmdname, " ");
965 safestrncpy(CC->lastcmdname, cmdbuf,
966 sizeof(CC->lastcmdname) );
970 if ((strncasecmp(cmdbuf, "ENT0", 4))
971 && (strncasecmp(cmdbuf, "MESG", 4))
972 && (strncasecmp(cmdbuf, "MSGS", 4)))
974 CC->cs_flags &= ~CS_POSTING;
977 if (!strncasecmp(cmdbuf,"NOOP",4)) {
978 cprintf("%d%cok\n", CIT_OK, CtdlCheckExpress() );
981 else if (!strncasecmp(cmdbuf,"QNOP",4)) {
982 /* do nothing, this command returns no response */
985 else if (!strncasecmp(cmdbuf,"QUIT",4)) {
986 cprintf("%d Goodbye.\n", CIT_OK);
990 else if (!strncasecmp(cmdbuf,"ASYN",4)) {
991 cmd_asyn(&cmdbuf[5]);
994 else if (!strncasecmp(cmdbuf,"LOUT",4)) {
995 if (CC->logged_in) logout(CC);
996 cprintf("%d logged out.\n", CIT_OK);
999 else if (!strncasecmp(cmdbuf,"USER",4)) {
1000 cmd_user(&cmdbuf[5]);
1003 else if (!strncasecmp(cmdbuf,"PASS",4)) {
1004 cmd_pass(&cmdbuf[5]);
1007 else if (!strncasecmp(cmdbuf,"NEWU",4)) {
1008 cmd_newu(&cmdbuf[5]);
1011 else if (!strncasecmp(cmdbuf,"CREU",4)) {
1012 cmd_creu(&cmdbuf[5]);
1015 else if (!strncasecmp(cmdbuf,"SETP",4)) {
1016 cmd_setp(&cmdbuf[5]);
1019 else if (!strncasecmp(cmdbuf,"LRMS",4)) {
1020 cmd_lrms(&cmdbuf[5]);
1023 else if (!strncasecmp(cmdbuf,"LKRA",4)) {
1024 cmd_lkra(&cmdbuf[5]);
1027 else if (!strncasecmp(cmdbuf,"LKRN",4)) {
1028 cmd_lkrn(&cmdbuf[5]);
1031 else if (!strncasecmp(cmdbuf,"LKRO",4)) {
1032 cmd_lkro(&cmdbuf[5]);
1035 else if (!strncasecmp(cmdbuf,"LZRM",4)) {
1036 cmd_lzrm(&cmdbuf[5]);
1039 else if (!strncasecmp(cmdbuf,"LPRM",4)) {
1040 cmd_lprm(&cmdbuf[5]);
1043 else if (!strncasecmp(cmdbuf,"GETU",4)) {
1047 else if (!strncasecmp(cmdbuf,"SETU",4)) {
1048 cmd_setu(&cmdbuf[5]);
1051 else if (!strncasecmp(cmdbuf,"GOTO",4)) {
1052 cmd_goto(&cmdbuf[5]);
1055 else if (!strncasecmp(cmdbuf,"MSGS",4)) {
1056 cmd_msgs(&cmdbuf[5]);
1059 else if (!strncasecmp(cmdbuf,"WHOK",4)) {
1063 else if (!strncasecmp(cmdbuf,"RDIR",4)) {
1067 else if (!strncasecmp(cmdbuf,"MSG0",4)) {
1068 cmd_msg0(&cmdbuf[5]);
1071 else if (!strncasecmp(cmdbuf,"MSG2",4)) {
1072 cmd_msg2(&cmdbuf[5]);
1075 else if (!strncasecmp(cmdbuf,"MSG3",4)) {
1076 cmd_msg3(&cmdbuf[5]);
1079 else if (!strncasecmp(cmdbuf,"MSG4",4)) {
1080 cmd_msg4(&cmdbuf[5]);
1083 else if (!strncasecmp(cmdbuf,"MSGP",4)) {
1084 cmd_msgp(&cmdbuf[5]);
1087 else if (!strncasecmp(cmdbuf,"OPNA",4)) {
1088 cmd_opna(&cmdbuf[5]);
1091 else if (!strncasecmp(cmdbuf,"INFO",4)) {
1095 else if (!strncasecmp(cmdbuf,"SLRP",4)) {
1096 cmd_slrp(&cmdbuf[5]);
1099 else if (!strncasecmp(cmdbuf,"INVT",4)) {
1100 cmd_invt_kick(&cmdbuf[5],1);
1103 else if (!strncasecmp(cmdbuf,"KICK",4)) {
1104 cmd_invt_kick(&cmdbuf[5],0);
1107 else if (!strncasecmp(cmdbuf,"GETR",4)) {
1111 else if (!strncasecmp(cmdbuf,"SETR",4)) {
1112 cmd_setr(&cmdbuf[5]);
1115 else if (!strncasecmp(cmdbuf,"GETA",4)) {
1119 else if (!strncasecmp(cmdbuf,"SETA",4)) {
1120 cmd_seta(&cmdbuf[5]);
1123 else if (!strncasecmp(cmdbuf,"ENT0",4)) {
1124 cmd_ent0(&cmdbuf[5]);
1127 else if (!strncasecmp(cmdbuf,"RINF",4)) {
1131 else if (!strncasecmp(cmdbuf,"DELE",4)) {
1132 cmd_dele(&cmdbuf[5]);
1135 else if (!strncasecmp(cmdbuf,"KILL",4)) {
1136 cmd_kill(&cmdbuf[5]);
1139 else if (!strncasecmp(cmdbuf,"CRE8",4)) {
1140 cmd_cre8(&cmdbuf[5]);
1143 else if (!strncasecmp(cmdbuf,"MOVE",4)) {
1144 cmd_move(&cmdbuf[5]);
1147 else if (!strncasecmp(cmdbuf,"FORG",4)) {
1151 else if (!strncasecmp(cmdbuf,"MESG",4)) {
1152 cmd_mesg(&cmdbuf[5]);
1155 else if (!strncasecmp(cmdbuf,"EMSG",4)) {
1156 cmd_emsg(&cmdbuf[5]);
1159 else if (!strncasecmp(cmdbuf,"GNUR",4)) {
1163 else if (!strncasecmp(cmdbuf,"VALI",4)) {
1164 cmd_vali(&cmdbuf[5]);
1167 else if (!strncasecmp(cmdbuf,"EINF",4)) {
1168 cmd_einf(&cmdbuf[5]);
1171 else if (!strncasecmp(cmdbuf,"LIST",4)) {
1175 else if (!strncasecmp(cmdbuf,"CHEK",4)) {
1179 else if (!strncasecmp(cmdbuf,"DELF",4)) {
1180 cmd_delf(&cmdbuf[5]);
1183 else if (!strncasecmp(cmdbuf,"MOVF",4)) {
1184 cmd_movf(&cmdbuf[5]);
1187 else if (!strncasecmp(cmdbuf,"NETF",4)) {
1188 cmd_netf(&cmdbuf[5]);
1191 else if (!strncasecmp(cmdbuf,"OPEN",4)) {
1192 cmd_open(&cmdbuf[5]);
1195 else if (!strncasecmp(cmdbuf,"CLOS",4)) {
1199 else if (!strncasecmp(cmdbuf,"UOPN",4)) {
1200 cmd_uopn(&cmdbuf[5]);
1203 else if (!strncasecmp(cmdbuf,"UCLS",4)) {
1204 cmd_ucls(&cmdbuf[5]);
1207 else if (!strncasecmp(cmdbuf,"READ",4)) {
1208 cmd_read(&cmdbuf[5]);
1211 else if (!strncasecmp(cmdbuf,"WRIT",4)) {
1212 cmd_writ(&cmdbuf[5]);
1215 else if (!strncasecmp(cmdbuf,"QUSR",4)) {
1216 cmd_qusr(&cmdbuf[5]);
1219 else if (!strncasecmp(cmdbuf,"ECHO",4)) {
1220 cmd_echo(&cmdbuf[5]);
1223 else if (!strncasecmp(cmdbuf,"OIMG",4)) {
1224 cmd_oimg(&cmdbuf[5]);
1227 else if (!strncasecmp(cmdbuf,"MORE",4)) {
1231 else if (!strncasecmp(cmdbuf,"NDOP",4)) {
1232 cmd_ndop(&cmdbuf[5]);
1235 else if (!strncasecmp(cmdbuf,"NUOP",4)) {
1236 cmd_nuop(&cmdbuf[5]);
1239 else if (!strncasecmp(cmdbuf,"LFLR",4)) {
1243 else if (!strncasecmp(cmdbuf,"CFLR",4)) {
1244 cmd_cflr(&cmdbuf[5]);
1247 else if (!strncasecmp(cmdbuf,"KFLR",4)) {
1248 cmd_kflr(&cmdbuf[5]);
1251 else if (!strncasecmp(cmdbuf,"EFLR",4)) {
1252 cmd_eflr(&cmdbuf[5]);
1255 else if (!strncasecmp(cmdbuf,"IDEN",4)) {
1256 cmd_iden(&cmdbuf[5]);
1259 else if (!strncasecmp(cmdbuf,"IPGM",4)) {
1260 cmd_ipgm(&cmdbuf[5]);
1263 else if (!strncasecmp(cmdbuf,"TERM",4)) {
1264 cmd_term(&cmdbuf[5]);
1267 else if (!strncasecmp(cmdbuf,"DOWN",4)) {
1271 else if (!strncasecmp(cmdbuf,"SCDN",4)) {
1272 cmd_scdn(&cmdbuf[5]);
1275 else if (!strncasecmp(cmdbuf, "UIMG", 4)) {
1276 cmd_uimg(&cmdbuf[5]);
1279 else if (!strncasecmp(cmdbuf, "TIME", 4)) {
1283 else if (!strncasecmp(cmdbuf, "AGUP", 4)) {
1284 cmd_agup(&cmdbuf[5]);
1287 else if (!strncasecmp(cmdbuf, "ASUP", 4)) {
1288 cmd_asup(&cmdbuf[5]);
1291 else if (!strncasecmp(cmdbuf, "GPEX", 4)) {
1292 cmd_gpex(&cmdbuf[5]);
1295 else if (!strncasecmp(cmdbuf, "SPEX", 4)) {
1296 cmd_spex(&cmdbuf[5]);
1299 else if (!strncasecmp(cmdbuf, "CONF", 4)) {
1300 cmd_conf(&cmdbuf[5]);
1303 else if (!strncasecmp(cmdbuf, "SEEN", 4)) {
1304 cmd_seen(&cmdbuf[5]);
1307 else if (!strncasecmp(cmdbuf, "GTSN", 4)) {
1308 cmd_gtsn(&cmdbuf[5]);
1311 else if (!strncasecmp(cmdbuf, "VIEW", 4)) {
1312 cmd_view(&cmdbuf[5]);
1315 else if (!strncasecmp(cmdbuf, "ISME", 4)) {
1316 cmd_isme(&cmdbuf[5]);
1319 else if (!DLoader_Exec_Cmd(cmdbuf)) {
1320 cprintf("%d Unrecognized or unsupported command.\n",
1321 ERROR + CMD_NOT_SUPPORTED);
1326 /* Run any after-each-command routines registered by modules */
1327 PerformSessionHooks(EVT_CMD);
1332 * This loop performs all asynchronous functions.
1334 void do_async_loop(void) {
1335 PerformSessionHooks(EVT_ASYNC);