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;
71 char pid_file_name[PATH_MAX];
74 * Various things that need to be initialized at startup
76 void master_startup(void) {
80 struct ctdlroom qrbuf;
83 lprintf(CTDL_DEBUG, "master_startup() started\n");
84 time(&server_startup_time);
86 /* pid file. If we go FSSTND this should end up in 'localstatedir' */
87 snprintf(pid_file_name, sizeof pid_file_name, "./citadel.pid");
88 pidfile_fp = fopen(pid_file_name, "w");
89 if (pidfile_fp != NULL) {
90 fprintf(pidfile_fp, "%d\n", (int)getpid());
94 lprintf(CTDL_INFO, "Opening databases\n");
103 lprintf(CTDL_INFO, "Creating base rooms (if necessary)\n");
104 create_room(BASEROOM, 0, "", 0, 1, 0, VIEW_BBS);
105 create_room(AIDEROOM, 3, "", 0, 1, 0, VIEW_BBS);
106 create_room(SYSCONFIGROOM, 3, "", 0, 1, 0, VIEW_BBS);
107 create_room(config.c_twitroom, 0, "", 0, 1, 0, VIEW_BBS);
109 /* The "Local System Configuration" room doesn't need to be visible */
110 if (lgetroom(&qrbuf, SYSCONFIGROOM) == 0) {
111 qrbuf.QRflags2 |= QR2_SYSTEM;
115 lprintf(CTDL_INFO, "Seeding the pseudo-random number generator...\n");
116 urandom = fopen("/dev/urandom", "r");
117 if (urandom != NULL) {
118 fread(&seed, sizeof seed, 1, urandom);
122 gettimeofday(&tv, NULL);
127 lprintf(CTDL_INFO, "Initializing ipgm secret\n");
129 config.c_ipgm_secret = rand();
132 lprintf(CTDL_DEBUG, "master_startup() finished\n");
137 * Cleanup routine to be called when the server is shutting down.
139 void master_cleanup(int exitcode) {
140 struct CleanupFunctionHook *fcn;
141 static int already_cleaning_up = 0;
143 if (already_cleaning_up) while(1) sleep(1);
144 already_cleaning_up = 1;
146 /* Run any cleanup routines registered by loadable modules */
147 for (fcn = CleanupHookTable; fcn != NULL; fcn = fcn->next) {
148 (*fcn->h_function_pointer)();
151 /* Close databases */
152 lprintf(CTDL_INFO, "Closing databases\n");
155 /* Do system-dependent stuff */
156 sysdep_master_cleanup();
158 #ifdef DEBUG_MEMORY_LEAKS
163 lprintf(CTDL_NOTICE, "citserver: Exiting with status %d\n", exitcode);
164 fflush(stdout); fflush(stderr);
166 unlink(pid_file_name);
172 * Free any per-session data allocated by modules or whatever
174 void deallocate_user_data(struct CitContext *con)
176 struct CtdlSessData *ptr;
178 begin_critical_section(S_SESSION_TABLE);
179 while (con->FirstSessData != NULL) {
180 lprintf(CTDL_DEBUG, "Deallocating user data symbol %ld\n",
181 con->FirstSessData->sym_id);
182 if (con->FirstSessData->sym_data != NULL)
183 free(con->FirstSessData->sym_data);
184 ptr = con->FirstSessData->next;
185 free(con->FirstSessData);
186 con->FirstSessData = ptr;
188 end_critical_section(S_SESSION_TABLE);
195 * Terminate a session and remove its context data structure.
197 void RemoveContext (struct CitContext *con)
200 lprintf(CTDL_ERR, "WARNING: RemoveContext() called with NULL!\n");
203 lprintf(CTDL_DEBUG, "RemoveContext() called\n");
205 /* Remove the context from the global context list. This needs
206 * to get done FIRST to avoid concurrency problems. It is *vitally*
207 * important to keep num_sessions accurate!!
209 lprintf(CTDL_DEBUG, "Removing context for session %d\n", con->cs_pid);
210 begin_critical_section(S_SESSION_TABLE);
211 if (con->prev) con->prev->next = con->next; else ContextList = con->next;
212 if (con->next) con->next->prev = con->prev;
214 end_critical_section(S_SESSION_TABLE);
216 /* Run any cleanup routines registered by loadable modules.
217 * Note 1: This must occur *before* deallocate_user_data() because the
218 * cleanup functions might touch dynamic session data.
219 * Note 2: We have to "become_session()" because the cleanup functions
220 * might make references to "CC" assuming it's the right one.
223 PerformSessionHooks(EVT_STOP);
224 become_session(NULL);
226 /* Now handle all of the administrivia. */
227 lprintf(CTDL_DEBUG, "Calling logout(%d)\n", con->cs_pid);
231 lprintf(CTDL_NOTICE, "[%3d] Session ended.\n", con->cs_pid);
233 /* Deallocate any user-data attached to this session */
234 deallocate_user_data(con);
236 /* If the client is still connected, blow 'em away. */
237 lprintf(CTDL_DEBUG, "Closing socket %d\n", con->client_socket);
238 close(con->client_socket);
240 /* This is where we used to check for scheduled shutdowns. */
242 /* Free up the memory used by this context */
245 lprintf(CTDL_DEBUG, "Done with RemoveContext()\n");
253 * Return a pointer to some generic per-session user data.
254 * (This function returns NULL if the requested symbol is not allocated.)
256 * NOTE: we use critical sections for allocating and de-allocating these,
257 * but not for locating one.
259 void *CtdlGetUserData(unsigned long requested_sym)
261 struct CtdlSessData *ptr;
263 for (ptr = CC->FirstSessData; ptr != NULL; ptr = ptr->next)
264 if (ptr->sym_id == requested_sym)
265 return(ptr->sym_data);
267 lprintf(CTDL_ERR, "ERROR! CtdlGetUserData(%ld) symbol not allocated\n",
274 * Allocate some generic per-session user data.
276 void CtdlAllocUserData(unsigned long requested_sym, size_t num_bytes)
278 struct CtdlSessData *ptr;
280 lprintf(CTDL_DEBUG, "CtdlAllocUserData(%ld) called\n", requested_sym);
282 /* Fail silently if the symbol is already registered. */
283 for (ptr = CC->FirstSessData; ptr != NULL; ptr = ptr->next) {
284 if (ptr->sym_id == requested_sym) {
289 /* Grab us some memory! Dem's good eatin' !! */
290 ptr = malloc(sizeof(struct CtdlSessData));
291 ptr->sym_id = requested_sym;
292 ptr->sym_data = malloc(num_bytes);
293 memset(ptr->sym_data, 0, num_bytes);
295 begin_critical_section(S_SESSION_TABLE);
296 ptr->next = CC->FirstSessData;
297 CC->FirstSessData = ptr;
298 end_critical_section(S_SESSION_TABLE);
300 lprintf(CTDL_DEBUG, "CtdlAllocUserData(%ld) finished\n", requested_sym);
305 * Change the size of a buffer allocated with CtdlAllocUserData()
307 void CtdlReallocUserData(unsigned long requested_sym, size_t num_bytes)
309 struct CtdlSessData *ptr;
311 for (ptr = CC->FirstSessData; ptr != NULL; ptr = ptr->next) {
312 if (ptr->sym_id == requested_sym) {
313 ptr->sym_data = realloc(ptr->sym_data, num_bytes);
318 lprintf(CTDL_ERR, "CtdlReallocUserData() ERROR: symbol %ld not found!\n",
328 * cmd_info() - tell the client about this server
330 void cmd_info(void) {
331 cprintf("%d Server info:\n", LISTING_FOLLOWS);
332 cprintf("%d\n", CC->cs_pid);
333 cprintf("%s\n", config.c_nodename);
334 cprintf("%s\n", config.c_humannode);
335 cprintf("%s\n", config.c_fqdn);
336 cprintf("%s\n", CITADEL);
337 cprintf("%d\n", REV_LEVEL);
338 cprintf("%s\n", config.c_bbs_city);
339 cprintf("%s\n", config.c_sysadm);
340 cprintf("%d\n", SERVER_TYPE);
341 cprintf("%s\n", config.c_moreprompt);
342 cprintf("1\n"); /* 1 = yes, this system supports floors */
343 cprintf("1\n"); /* 1 = we support the extended paging options */
344 cprintf("%s\n", CC->cs_nonce);
345 cprintf("1\n"); /* 1 = yes, this system supports the QNOP command */
347 cprintf("1\n"); /* 1 = yes, this server is LDAP-enabled */
349 cprintf("0\n"); /* 1 = no, this server is not LDAP-enabled */
356 * returns an asterisk if there are any instant messages waiting,
359 char CtdlCheckExpress(void) {
360 if (CC->FirstExpressMessage == NULL) {
374 localtime_r(&tv, &tmp);
376 /* timezone and daylight global variables are not portable. */
377 #ifdef HAVE_STRUCT_TM_TM_GMTOFF
378 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, tmp.tm_gmtoff, tmp.tm_isdst);
380 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, timezone, tmp.tm_isdst);
386 * Check originating host against the public_clients file. This determines
387 * whether the client is allowed to change the hostname for this session
388 * (for example, to show the location of the user rather than the location
391 int is_public_client(void)
398 static time_t pc_timestamp = 0;
399 static char public_clients[SIZ];
401 #define PUBLIC_CLIENTS "./public_clients"
404 * Check the time stamp on the public_clients file. If it's been
405 * updated since the last time we were here (or if this is the first
406 * time we've been through the loop), read its contents and learn
407 * the IP addresses of the listed hosts.
409 if (stat(PUBLIC_CLIENTS, &statbuf) != 0) {
410 /* No public_clients file exists, so bail out */
411 lprintf(CTDL_WARNING, "Warning: '%s' does not exist\n", PUBLIC_CLIENTS);
415 if (statbuf.st_mtime > pc_timestamp) {
416 begin_critical_section(S_PUBLIC_CLIENTS);
417 lprintf(CTDL_INFO, "Loading %s\n", PUBLIC_CLIENTS);
419 strcpy(public_clients, "127.0.0.1");
420 if (hostname_to_dotted_quad(addrbuf, config.c_fqdn) == 0) {
421 strcat(public_clients, "|");
422 strcat(public_clients, addrbuf);
425 fp = fopen("public_clients", "r");
426 if (fp != NULL) while (fgets(buf, sizeof buf, fp)!=NULL) {
427 for (i=0; i<strlen(buf); ++i) {
428 if (buf[i] == '#') buf[i] = 0;
430 while (isspace((buf[strlen(buf)-1]))) {
431 buf[strlen(buf)-1] = 0;
433 if (hostname_to_dotted_quad(addrbuf, buf) == 0) {
434 if ((strlen(public_clients) +
436 < sizeof(public_clients)) {
437 strcat(public_clients, addrbuf);
442 pc_timestamp = time(NULL);
443 end_critical_section(S_PUBLIC_CLIENTS);
446 lprintf(CTDL_DEBUG, "Checking whether %s is a local or public client\n",
448 for (i=0; i<num_parms(public_clients); ++i) {
449 extract(addrbuf, public_clients, i);
450 if (!strcasecmp(CC->cs_addr, addrbuf)) {
451 lprintf(CTDL_DEBUG, "... yes it is.\n");
456 /* No hits. This is not a public client. */
457 lprintf(CTDL_DEBUG, "... no it isn't.\n");
463 * the client is identifying itself to the server
465 void cmd_iden(char *argbuf)
475 if (num_parms(argbuf)<4) {
476 cprintf("%d usage error\n", ERROR + ILLEGAL_VALUE);
480 dev_code = extract_int(argbuf,0);
481 cli_code = extract_int(argbuf,1);
482 rev_level = extract_int(argbuf,2);
483 extract(desc,argbuf,3);
485 safestrncpy(from_host, config.c_fqdn, sizeof from_host);
486 from_host[sizeof from_host - 1] = 0;
487 if (num_parms(argbuf)>=5) extract(from_host,argbuf,4);
489 CC->cs_clientdev = dev_code;
490 CC->cs_clienttyp = cli_code;
491 CC->cs_clientver = rev_level;
492 safestrncpy(CC->cs_clientname, desc, sizeof CC->cs_clientname);
493 CC->cs_clientname[31] = 0;
495 if (strlen(from_host) > 0) {
496 if (CC->is_local_socket) do_lookup = 1;
497 else if (is_public_client()) do_lookup = 1;
501 lprintf(CTDL_DEBUG, "Looking up hostname '%s'\n", from_host);
502 if ((addr.s_addr = inet_addr(from_host)) != -1) {
503 locate_host(CC->cs_host, sizeof CC->cs_host,
508 safestrncpy(CC->cs_host, from_host, sizeof CC->cs_host);
509 CC->cs_host[sizeof CC->cs_host - 1] = 0;
513 lprintf(CTDL_NOTICE, "Client %d/%d/%01d.%02d (%s) from %s\n",
520 cprintf("%d Ok\n",CIT_OK);
525 * display system messages or help
527 void cmd_mesg(char *mname)
535 extract(buf,mname,0);
539 strcpy(dirs[0],"messages");
540 strcpy(dirs[1],"help");
541 snprintf(buf2, sizeof buf2, "%s.%d.%d", buf, CC->cs_clientdev, CC->cs_clienttyp);
542 mesg_locate(targ,sizeof targ,buf2,2,(const char **)dirs);
543 if (strlen(targ) == 0) {
544 snprintf(buf2, sizeof buf2, "%s.%d", buf, CC->cs_clientdev);
545 mesg_locate(targ,sizeof targ,buf2,2,(const char **)dirs);
546 if (strlen(targ) == 0) {
547 mesg_locate(targ,sizeof targ,buf,2,(const char **)dirs);
553 if (strlen(targ)==0) {
554 cprintf("%d '%s' not found.\n",ERROR + FILE_NOT_FOUND, mname);
558 mfp = fopen(targ,"r");
560 cprintf("%d Cannot open '%s': %s\n",
561 ERROR + INTERNAL_ERROR, targ, strerror(errno));
564 cprintf("%d %s\n",LISTING_FOLLOWS,buf);
566 while (fgets(buf, (SIZ-1), mfp)!=NULL) {
567 buf[strlen(buf)-1] = 0;
578 * enter system messages or help
580 void cmd_emsg(char *mname)
590 if (CtdlAccessCheck(ac_aide)) return;
592 extract(buf,mname,0);
593 for (a=0; a<strlen(buf); ++a) { /* security measure */
594 if (buf[a] == '/') buf[a] = '.';
599 strcpy(dirs[0],"messages");
600 strcpy(dirs[1],"help");
601 mesg_locate(targ,sizeof targ,buf,2,(const char**)dirs);
605 if (strlen(targ)==0) {
606 snprintf(targ, sizeof targ, "./help/%s", buf);
609 mfp = fopen(targ,"w");
611 cprintf("%d Cannot open '%s': %s\n",
612 ERROR + INTERNAL_ERROR, targ, strerror(errno));
615 cprintf("%d %s\n", SEND_LISTING, targ);
617 while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
618 fprintf(mfp, "%s\n", buf);
625 /* Don't show the names of private rooms unless the viewing
626 * user also knows the rooms.
628 void GenerateRoomDisplay(char *real_room,
629 struct CitContext *viewed,
630 struct CitContext *viewer) {
634 strcpy(real_room, viewed->room.QRname);
635 if (viewed->room.QRflags & QR_MAILBOX) {
636 strcpy(real_room, &real_room[11]);
638 if (viewed->room.QRflags & QR_PRIVATE) {
639 CtdlRoomAccess(&viewed->room, &viewer->user, &ra, NULL);
640 if ( (ra & UA_KNOWN) == 0) {
641 strcpy(real_room, "<private room>");
645 if (viewed->cs_flags & CS_CHAT) {
646 while (strlen(real_room) < 14)
647 strcat(real_room, " ");
649 strcpy(&real_room[14], "<chat>");
655 * Convenience function.
657 int CtdlAccessCheck(int required_level) {
659 if (CC->internal_pgm) return(0);
660 if (required_level >= ac_internal) {
661 cprintf("%d This is not a user-level command.\n",
662 ERROR + HIGHER_ACCESS_REQUIRED);
666 if ((required_level >= ac_logged_in) && (CC->logged_in == 0)) {
667 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
671 if (CC->user.axlevel >= 6) return(0);
672 if (required_level >= ac_aide) {
673 cprintf("%d This command requires Aide access.\n",
674 ERROR + HIGHER_ACCESS_REQUIRED);
678 if (is_room_aide()) return(0);
679 if (required_level >= ac_room_aide) {
680 cprintf("%d This command requires Aide or Room Aide access.\n",
681 ERROR + HIGHER_ACCESS_REQUIRED);
685 /* shhh ... succeed quietly */
692 * Terminate another running session
694 void cmd_term(char *cmdbuf)
697 struct CitContext *ccptr;
701 session_num = extract_int(cmdbuf, 0);
702 if (session_num == CC->cs_pid) {
703 cprintf("%d You can't kill your own session.\n", ERROR + ILLEGAL_VALUE);
707 lprintf(CTDL_DEBUG, "Locating session to kill\n");
708 begin_critical_section(S_SESSION_TABLE);
709 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
710 if (session_num == ccptr->cs_pid) {
712 if ((ccptr->user.usernum == CC->user.usernum)
713 || (CC->user.axlevel >= 6)) {
722 end_critical_section(S_SESSION_TABLE);
726 cprintf("%d Session terminated.\n", CIT_OK);
729 cprintf("%d You are not allowed to do that.\n",
730 ERROR + HIGHER_ACCESS_REQUIRED);
734 cprintf("%d No such session.\n", ERROR + ILLEGAL_VALUE);
743 * get the paginator prompt
745 void cmd_more(void) {
746 cprintf("%d %s\n", CIT_OK, config.c_moreprompt);
752 void cmd_echo(char *etext)
754 cprintf("%d %s\n", CIT_OK, etext);
760 * identify as internal program
762 void cmd_ipgm(char *argbuf)
766 secret = extract_int(argbuf, 0);
768 /* For security reasons, we do NOT allow this command to run
769 * over the network. Local sockets only.
771 if (!CC->is_local_socket) {
773 cprintf("%d Authentication failed.\n", ERROR + PASSWORD_REQUIRED);
775 else if (secret == config.c_ipgm_secret) {
776 CC->internal_pgm = 1;
777 strcpy(CC->curr_user, "<internal program>");
778 CC->cs_flags = CC->cs_flags|CS_STEALTH;
779 cprintf("%d Authenticated as an internal program.\n", CIT_OK);
783 cprintf("%d Authentication failed.\n", ERROR + PASSWORD_REQUIRED);
784 lprintf(CTDL_ERR, "Warning: ipgm authentication failed.\n");
788 /* Now change the ipgm secret for the next round. */
790 config.c_ipgm_secret = rand();
796 * Shut down the server
798 void cmd_down(void) {
800 if (CtdlAccessCheck(ac_aide)) return;
802 cprintf("%d Shutting down server. Goodbye.\n", CIT_OK);
807 * Schedule or cancel a server shutdown
809 void cmd_scdn(char *argbuf)
813 if (CtdlAccessCheck(ac_aide)) return;
815 new_state = extract_int(argbuf, 0);
816 if ((new_state == 0) || (new_state == 1)) {
817 ScheduledShutdown = new_state;
819 cprintf("%d %d\n", CIT_OK, ScheduledShutdown);
824 * Set or unset asynchronous protocol mode
826 void cmd_asyn(char *argbuf)
830 new_state = extract_int(argbuf, 0);
831 if ((new_state == 0) || (new_state == 1)) {
832 CC->is_async = new_state;
834 cprintf("%d %d\n", CIT_OK, CC->is_async);
839 * Generate a "nonce" for APOP-style authentication.
841 * RFC 1725 et al specify a PID to be placed in front of the nonce.
842 * Quoth BTX: That would be stupid.
844 void generate_nonce(struct CitContext *con) {
847 memset(con->cs_nonce, NONCE_SIZE, 0);
848 gettimeofday(&tv, NULL);
849 memset(con->cs_nonce, NONCE_SIZE, 0);
850 snprintf(con->cs_nonce, NONCE_SIZE, "<%d%ld@%s>",
851 rand(), (long)tv.tv_usec, config.c_fqdn);
858 * Back-end function for starting a session
860 void begin_session(struct CitContext *con)
863 struct sockaddr_in sin;
866 * Initialize some variables specific to our context.
869 con->internal_pgm = 0;
870 con->download_fp = NULL;
871 con->upload_fp = NULL;
872 con->FirstExpressMessage = NULL;
874 time(&con->lastidle);
875 strcpy(con->lastcmdname, " ");
876 strcpy(con->cs_clientname, "(unknown)");
877 strcpy(con->curr_user, NLI);
878 strcpy(con->net_node,"");
879 strcpy(con->fake_username, "");
880 strcpy(con->fake_postname, "");
881 strcpy(con->fake_hostname, "");
882 strcpy(con->fake_roomname, "");
884 safestrncpy(con->temp, tmpnam(NULL), sizeof con->temp);
885 safestrncpy(con->cs_host, config.c_fqdn, sizeof con->cs_host);
886 safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
887 con->cs_host[sizeof con->cs_host - 1] = 0;
889 if (!CC->is_local_socket) {
890 if (!getpeername(con->client_socket,
891 (struct sockaddr *) &sin, &len)) /* should be socklen_t but doesn't work on Macintosh */
892 locate_host(con->cs_host, sizeof con->cs_host,
893 con->cs_addr, sizeof con->cs_addr,
897 strcpy(con->cs_host, "");
900 con->upload_type = UPL_FILE;
902 con->FirstSessData = NULL;
905 if ((config.c_maxsessions > 0)&&(num_sessions > config.c_maxsessions))
908 lprintf(CTDL_NOTICE, "Session started.\n");
910 /* Run any session startup routines registered by loadable modules */
911 PerformSessionHooks(EVT_START);
915 void citproto_begin_session() {
916 if (CC->nologin==1) {
917 cprintf("%d %s: Too many users are already online "
919 ERROR + MAX_SESSIONS_EXCEEDED,
920 config.c_nodename, config.c_maxsessions);
923 cprintf("%d %s Citadel server ready.\n",
924 CIT_OK, config.c_nodename);
932 * This loop recognizes all server commands.
934 void do_command_loop(void) {
938 memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
939 if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
940 lprintf(CTDL_ERR, "Client socket is broken; ending session\n");
945 /* Log the server command, but don't show passwords... */
946 if ( (strncasecmp(cmdbuf, "PASS", 4))
947 && (strncasecmp(cmdbuf, "SETP", 4)) ) {
948 lprintf(CTDL_INFO, "%s\n", cmdbuf);
951 lprintf(CTDL_INFO, "<password command sent>\n");
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);