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);
95 create_room(AIDEROOM, 3, "", 0, 1, 0);
96 create_room(SYSCONFIGROOM, 3, "", 0, 1, 0);
97 create_room(config.c_twitroom, 0, "", 0, 1, 0);
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, "Session %d: 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 tmp = localtime(&tv);
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)
596 if (CtdlAccessCheck(ac_aide)) return;
598 extract(buf,mname,0);
599 for (a=0; a<strlen(buf); ++a) { /* security measure */
600 if (buf[a] == '/') buf[a] = '.';
605 strcpy(dirs[0],"messages");
606 strcpy(dirs[1],"help");
607 mesg_locate(targ,sizeof targ,buf,2,(const char**)dirs);
611 if (strlen(targ)==0) {
612 snprintf(targ, sizeof targ, "./help/%s", buf);
615 mfp = fopen(targ,"w");
617 cprintf("%d Cannot open '%s': %s\n",
618 ERROR + INTERNAL_ERROR, targ, strerror(errno));
621 cprintf("%d %s\n", SEND_LISTING, targ);
623 while (client_gets(buf), strcmp(buf, "000")) {
624 fprintf(mfp, "%s\n", buf);
631 /* Don't show the names of private rooms unless the viewing
632 * user also knows the rooms.
634 void GenerateRoomDisplay(char *real_room,
635 struct CitContext *viewed,
636 struct CitContext *viewer) {
638 strcpy(real_room, viewed->room.QRname);
639 if (viewed->room.QRflags & QR_MAILBOX) {
640 strcpy(real_room, &real_room[11]);
642 if (viewed->room.QRflags & QR_PRIVATE) {
643 if ( (CtdlRoomAccess(&viewed->room, &viewer->user)
645 strcpy(real_room, "<private room>");
649 if (viewed->cs_flags & CS_CHAT) {
650 while (strlen(real_room) < 14)
651 strcat(real_room, " ");
653 strcpy(&real_room[14], "<chat>");
659 * Convenience function.
661 int CtdlAccessCheck(int required_level) {
663 if (CC->internal_pgm) return(0);
664 if (required_level >= ac_internal) {
665 cprintf("%d This is not a user-level command.\n",
666 ERROR + HIGHER_ACCESS_REQUIRED);
670 if (CC->user.axlevel >= 6) return(0);
671 if (required_level >= ac_aide) {
672 cprintf("%d This command requires Aide access.\n",
673 ERROR + HIGHER_ACCESS_REQUIRED);
677 if (is_room_aide()) return(0);
678 if (required_level >= ac_room_aide) {
679 cprintf("%d This command requires Aide or Room Aide access.\n",
680 ERROR + HIGHER_ACCESS_REQUIRED);
684 if (CC->logged_in) return(0);
685 if (required_level >= ac_logged_in) {
686 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
690 /* shhh ... succeed quietly */
697 * Terminate another running session
699 void cmd_term(char *cmdbuf)
702 struct CitContext *ccptr;
706 session_num = extract_int(cmdbuf, 0);
707 if (session_num == CC->cs_pid) {
708 cprintf("%d You can't kill your own session.\n", ERROR + ILLEGAL_VALUE);
712 lprintf(CTDL_DEBUG, "Locating session to kill\n");
713 begin_critical_section(S_SESSION_TABLE);
714 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
715 if (session_num == ccptr->cs_pid) {
717 if ((ccptr->user.usernum == CC->user.usernum)
718 || (CC->user.axlevel >= 6)) {
727 end_critical_section(S_SESSION_TABLE);
731 cprintf("%d Session terminated.\n", CIT_OK);
734 cprintf("%d You are not allowed to do that.\n",
735 ERROR + HIGHER_ACCESS_REQUIRED);
739 cprintf("%d No such session.\n", ERROR + ILLEGAL_VALUE);
748 * get the paginator prompt
750 void cmd_more(void) {
751 cprintf("%d %s\n", CIT_OK, config.c_moreprompt);
757 void cmd_echo(char *etext)
759 cprintf("%d %s\n", CIT_OK, etext);
765 * identify as internal program
767 void cmd_ipgm(char *argbuf)
771 secret = extract_int(argbuf, 0);
773 /* For security reasons, we do NOT allow this command to run
774 * over the network. Local sockets only.
776 if (!CC->is_local_socket) {
778 cprintf("%d Authentication failed.\n", ERROR + PASSWORD_REQUIRED);
780 else if (secret == config.c_ipgm_secret) {
781 CC->internal_pgm = 1;
782 strcpy(CC->curr_user, "<internal program>");
783 CC->cs_flags = CC->cs_flags|CS_STEALTH;
784 cprintf("%d Authenticated as an internal program.\n", CIT_OK);
788 cprintf("%d Authentication failed.\n", ERROR + PASSWORD_REQUIRED);
789 lprintf(CTDL_ERR, "Warning: ipgm authentication failed.\n");
793 /* Now change the ipgm secret for the next round. */
795 config.c_ipgm_secret = rand();
801 * Shut down the server
803 void cmd_down(void) {
805 if (CtdlAccessCheck(ac_aide)) return;
807 cprintf("%d Shutting down server. Goodbye.\n", CIT_OK);
812 * Schedule or cancel a server shutdown
814 void cmd_scdn(char *argbuf)
818 if (CtdlAccessCheck(ac_aide)) return;
820 new_state = extract_int(argbuf, 0);
821 if ((new_state == 0) || (new_state == 1)) {
822 ScheduledShutdown = new_state;
824 cprintf("%d %d\n", CIT_OK, ScheduledShutdown);
829 * Set or unset asynchronous protocol mode
831 void cmd_asyn(char *argbuf)
835 new_state = extract_int(argbuf, 0);
836 if ((new_state == 0) || (new_state == 1)) {
837 CC->is_async = new_state;
839 cprintf("%d %d\n", CIT_OK, CC->is_async);
844 * Generate a "nonce" for APOP-style authentication.
846 * RFC 1725 et al specify a PID to be placed in front of the nonce.
847 * Quoth BTX: That would be stupid.
849 void generate_nonce(struct CitContext *con) {
852 memset(con->cs_nonce, NONCE_SIZE, 0);
853 gettimeofday(&tv, NULL);
854 memset(con->cs_nonce, NONCE_SIZE, 0);
855 snprintf(con->cs_nonce, NONCE_SIZE, "<%d%ld@%s>",
856 rand(), (long)tv.tv_usec, config.c_fqdn);
863 * Back-end function for starting a session
865 void begin_session(struct CitContext *con)
867 int len; /* should be socklen_t but doesn't work on Macintosh */
868 struct sockaddr_in sin;
871 * Initialize some variables specific to our context.
874 con->internal_pgm = 0;
875 con->download_fp = NULL;
876 con->upload_fp = NULL;
877 con->FirstExpressMessage = NULL;
879 time(&con->lastidle);
880 strcpy(con->lastcmdname, " ");
881 strcpy(con->cs_clientname, "(unknown)");
882 strcpy(con->curr_user, NLI);
883 strcpy(con->net_node,"");
884 strcpy(con->fake_username, "");
885 strcpy(con->fake_postname, "");
886 strcpy(con->fake_hostname, "");
887 strcpy(con->fake_roomname, "");
889 snprintf(con->temp, sizeof con->temp, tmpnam(NULL));
890 safestrncpy(con->cs_host, config.c_fqdn, sizeof con->cs_host);
891 safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
892 con->cs_host[sizeof con->cs_host - 1] = 0;
894 if (!CC->is_local_socket) {
895 if (!getpeername(con->client_socket,
896 (struct sockaddr *) &sin, &len))
897 locate_host(con->cs_host, sizeof con->cs_host,
898 con->cs_addr, sizeof con->cs_addr,
902 strcpy(con->cs_host, "");
905 con->upload_type = UPL_FILE;
907 con->FirstSessData = NULL;
910 if ((config.c_maxsessions > 0)&&(num_sessions > config.c_maxsessions))
913 lprintf(CTDL_NOTICE, "Session started.\n");
915 /* Run any session startup routines registered by loadable modules */
916 PerformSessionHooks(EVT_START);
920 void citproto_begin_session() {
921 if (CC->nologin==1) {
922 cprintf("%d %s: Too many users are already online "
924 ERROR + MAX_SESSIONS_EXCEEDED,
925 config.c_nodename, config.c_maxsessions);
928 cprintf("%d %s Citadel/UX server ready.\n",
929 CIT_OK, config.c_nodename);
937 * This loop recognizes all server commands.
939 void do_command_loop(void) {
943 memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
944 if (client_gets(cmdbuf) < 1) {
945 lprintf(CTDL_ERR, "Client socket is broken; ending session\n");
949 lprintf(CTDL_INFO, "Citadel: %s\n", cmdbuf);
952 * Let other clients see the last command we executed, and
953 * update the idle time, but not NOOP, QNOP, PEXP, or GEXP.
955 if ( (strncasecmp(cmdbuf, "NOOP", 4))
956 && (strncasecmp(cmdbuf, "QNOP", 4))
957 && (strncasecmp(cmdbuf, "PEXP", 4))
958 && (strncasecmp(cmdbuf, "GEXP", 4)) ) {
959 strcpy(CC->lastcmdname, " ");
960 safestrncpy(CC->lastcmdname, cmdbuf,
961 sizeof(CC->lastcmdname) );
965 if ((strncasecmp(cmdbuf, "ENT0", 4))
966 && (strncasecmp(cmdbuf, "MESG", 4))
967 && (strncasecmp(cmdbuf, "MSGS", 4)))
969 CC->cs_flags &= ~CS_POSTING;
972 if (!strncasecmp(cmdbuf,"NOOP",4)) {
973 cprintf("%d%cok\n", CIT_OK, CtdlCheckExpress() );
976 else if (!strncasecmp(cmdbuf,"QNOP",4)) {
977 /* do nothing, this command returns no response */
980 else if (!strncasecmp(cmdbuf,"QUIT",4)) {
981 cprintf("%d Goodbye.\n", CIT_OK);
985 else if (!strncasecmp(cmdbuf,"ASYN",4)) {
986 cmd_asyn(&cmdbuf[5]);
989 else if (!strncasecmp(cmdbuf,"LOUT",4)) {
990 if (CC->logged_in) logout(CC);
991 cprintf("%d logged out.\n", CIT_OK);
994 else if (!strncasecmp(cmdbuf,"USER",4)) {
995 cmd_user(&cmdbuf[5]);
998 else if (!strncasecmp(cmdbuf,"PASS",4)) {
999 cmd_pass(&cmdbuf[5]);
1002 else if (!strncasecmp(cmdbuf,"NEWU",4)) {
1003 cmd_newu(&cmdbuf[5]);
1006 else if (!strncasecmp(cmdbuf,"CREU",4)) {
1007 cmd_creu(&cmdbuf[5]);
1010 else if (!strncasecmp(cmdbuf,"SETP",4)) {
1011 cmd_setp(&cmdbuf[5]);
1014 else if (!strncasecmp(cmdbuf,"LRMS",4)) {
1015 cmd_lrms(&cmdbuf[5]);
1018 else if (!strncasecmp(cmdbuf,"LKRA",4)) {
1019 cmd_lkra(&cmdbuf[5]);
1022 else if (!strncasecmp(cmdbuf,"LKRN",4)) {
1023 cmd_lkrn(&cmdbuf[5]);
1026 else if (!strncasecmp(cmdbuf,"LKRO",4)) {
1027 cmd_lkro(&cmdbuf[5]);
1030 else if (!strncasecmp(cmdbuf,"LZRM",4)) {
1031 cmd_lzrm(&cmdbuf[5]);
1034 else if (!strncasecmp(cmdbuf,"LPRM",4)) {
1035 cmd_lprm(&cmdbuf[5]);
1038 else if (!strncasecmp(cmdbuf,"GETU",4)) {
1042 else if (!strncasecmp(cmdbuf,"SETU",4)) {
1043 cmd_setu(&cmdbuf[5]);
1046 else if (!strncasecmp(cmdbuf,"GOTO",4)) {
1047 cmd_goto(&cmdbuf[5]);
1050 else if (!strncasecmp(cmdbuf,"MSGS",4)) {
1051 cmd_msgs(&cmdbuf[5]);
1054 else if (!strncasecmp(cmdbuf,"WHOK",4)) {
1058 else if (!strncasecmp(cmdbuf,"RDIR",4)) {
1062 else if (!strncasecmp(cmdbuf,"MSG0",4)) {
1063 cmd_msg0(&cmdbuf[5]);
1066 else if (!strncasecmp(cmdbuf,"MSG2",4)) {
1067 cmd_msg2(&cmdbuf[5]);
1070 else if (!strncasecmp(cmdbuf,"MSG3",4)) {
1071 cmd_msg3(&cmdbuf[5]);
1074 else if (!strncasecmp(cmdbuf,"MSG4",4)) {
1075 cmd_msg4(&cmdbuf[5]);
1078 else if (!strncasecmp(cmdbuf,"MSGP",4)) {
1079 cmd_msgp(&cmdbuf[5]);
1082 else if (!strncasecmp(cmdbuf,"OPNA",4)) {
1083 cmd_opna(&cmdbuf[5]);
1086 else if (!strncasecmp(cmdbuf,"INFO",4)) {
1090 else if (!strncasecmp(cmdbuf,"SLRP",4)) {
1091 cmd_slrp(&cmdbuf[5]);
1094 else if (!strncasecmp(cmdbuf,"INVT",4)) {
1095 cmd_invt_kick(&cmdbuf[5],1);
1098 else if (!strncasecmp(cmdbuf,"KICK",4)) {
1099 cmd_invt_kick(&cmdbuf[5],0);
1102 else if (!strncasecmp(cmdbuf,"GETR",4)) {
1106 else if (!strncasecmp(cmdbuf,"SETR",4)) {
1107 cmd_setr(&cmdbuf[5]);
1110 else if (!strncasecmp(cmdbuf,"GETA",4)) {
1114 else if (!strncasecmp(cmdbuf,"SETA",4)) {
1115 cmd_seta(&cmdbuf[5]);
1118 else if (!strncasecmp(cmdbuf,"ENT0",4)) {
1119 cmd_ent0(&cmdbuf[5]);
1122 else if (!strncasecmp(cmdbuf,"RINF",4)) {
1126 else if (!strncasecmp(cmdbuf,"DELE",4)) {
1127 cmd_dele(&cmdbuf[5]);
1130 else if (!strncasecmp(cmdbuf,"KILL",4)) {
1131 cmd_kill(&cmdbuf[5]);
1134 else if (!strncasecmp(cmdbuf,"CRE8",4)) {
1135 cmd_cre8(&cmdbuf[5]);
1138 else if (!strncasecmp(cmdbuf,"MOVE",4)) {
1139 cmd_move(&cmdbuf[5]);
1142 else if (!strncasecmp(cmdbuf,"FORG",4)) {
1146 else if (!strncasecmp(cmdbuf,"MESG",4)) {
1147 cmd_mesg(&cmdbuf[5]);
1150 else if (!strncasecmp(cmdbuf,"EMSG",4)) {
1151 cmd_emsg(&cmdbuf[5]);
1154 else if (!strncasecmp(cmdbuf,"GNUR",4)) {
1158 else if (!strncasecmp(cmdbuf,"VALI",4)) {
1159 cmd_vali(&cmdbuf[5]);
1162 else if (!strncasecmp(cmdbuf,"EINF",4)) {
1163 cmd_einf(&cmdbuf[5]);
1166 else if (!strncasecmp(cmdbuf,"LIST",4)) {
1170 else if (!strncasecmp(cmdbuf,"CHEK",4)) {
1174 else if (!strncasecmp(cmdbuf,"DELF",4)) {
1175 cmd_delf(&cmdbuf[5]);
1178 else if (!strncasecmp(cmdbuf,"MOVF",4)) {
1179 cmd_movf(&cmdbuf[5]);
1182 else if (!strncasecmp(cmdbuf,"NETF",4)) {
1183 cmd_netf(&cmdbuf[5]);
1186 else if (!strncasecmp(cmdbuf,"OPEN",4)) {
1187 cmd_open(&cmdbuf[5]);
1190 else if (!strncasecmp(cmdbuf,"CLOS",4)) {
1194 else if (!strncasecmp(cmdbuf,"UOPN",4)) {
1195 cmd_uopn(&cmdbuf[5]);
1198 else if (!strncasecmp(cmdbuf,"UCLS",4)) {
1199 cmd_ucls(&cmdbuf[5]);
1202 else if (!strncasecmp(cmdbuf,"READ",4)) {
1203 cmd_read(&cmdbuf[5]);
1206 else if (!strncasecmp(cmdbuf,"WRIT",4)) {
1207 cmd_writ(&cmdbuf[5]);
1210 else if (!strncasecmp(cmdbuf,"QUSR",4)) {
1211 cmd_qusr(&cmdbuf[5]);
1214 else if (!strncasecmp(cmdbuf,"ECHO",4)) {
1215 cmd_echo(&cmdbuf[5]);
1218 else if (!strncasecmp(cmdbuf,"OIMG",4)) {
1219 cmd_oimg(&cmdbuf[5]);
1222 else if (!strncasecmp(cmdbuf,"MORE",4)) {
1226 else if (!strncasecmp(cmdbuf,"NDOP",4)) {
1227 cmd_ndop(&cmdbuf[5]);
1230 else if (!strncasecmp(cmdbuf,"NUOP",4)) {
1231 cmd_nuop(&cmdbuf[5]);
1234 else if (!strncasecmp(cmdbuf,"LFLR",4)) {
1238 else if (!strncasecmp(cmdbuf,"CFLR",4)) {
1239 cmd_cflr(&cmdbuf[5]);
1242 else if (!strncasecmp(cmdbuf,"KFLR",4)) {
1243 cmd_kflr(&cmdbuf[5]);
1246 else if (!strncasecmp(cmdbuf,"EFLR",4)) {
1247 cmd_eflr(&cmdbuf[5]);
1250 else if (!strncasecmp(cmdbuf,"IDEN",4)) {
1251 cmd_iden(&cmdbuf[5]);
1254 else if (!strncasecmp(cmdbuf,"IPGM",4)) {
1255 cmd_ipgm(&cmdbuf[5]);
1258 else if (!strncasecmp(cmdbuf,"TERM",4)) {
1259 cmd_term(&cmdbuf[5]);
1262 else if (!strncasecmp(cmdbuf,"DOWN",4)) {
1266 else if (!strncasecmp(cmdbuf,"SCDN",4)) {
1267 cmd_scdn(&cmdbuf[5]);
1270 else if (!strncasecmp(cmdbuf, "UIMG", 4)) {
1271 cmd_uimg(&cmdbuf[5]);
1274 else if (!strncasecmp(cmdbuf, "TIME", 4)) {
1278 else if (!strncasecmp(cmdbuf, "AGUP", 4)) {
1279 cmd_agup(&cmdbuf[5]);
1282 else if (!strncasecmp(cmdbuf, "ASUP", 4)) {
1283 cmd_asup(&cmdbuf[5]);
1286 else if (!strncasecmp(cmdbuf, "GPEX", 4)) {
1287 cmd_gpex(&cmdbuf[5]);
1290 else if (!strncasecmp(cmdbuf, "SPEX", 4)) {
1291 cmd_spex(&cmdbuf[5]);
1294 else if (!strncasecmp(cmdbuf, "CONF", 4)) {
1295 cmd_conf(&cmdbuf[5]);
1298 else if (!strncasecmp(cmdbuf, "SEEN", 4)) {
1299 cmd_seen(&cmdbuf[5]);
1302 else if (!strncasecmp(cmdbuf, "GTSN", 4)) {
1303 cmd_gtsn(&cmdbuf[5]);
1306 else if (!strncasecmp(cmdbuf, "VIEW", 4)) {
1307 cmd_view(&cmdbuf[5]);
1310 else if (!strncasecmp(cmdbuf, "ISME", 4)) {
1311 cmd_isme(&cmdbuf[5]);
1314 else if (!DLoader_Exec_Cmd(cmdbuf)) {
1315 cprintf("%d Unrecognized or unsupported command.\n",
1316 ERROR + CMD_NOT_SUPPORTED);
1319 /* Run any after-each-command routines registered by modules */
1320 PerformSessionHooks(EVT_CMD);
1325 * This loop performs all asynchronous functions.
1327 void do_async_loop(void) {
1328 PerformSessionHooks(EVT_ASYNC);