4 * Main source module for the Citadel server
14 #include <sys/types.h>
18 #if TIME_WITH_SYS_TIME
19 # include <sys/time.h>
23 # include <sys/time.h>
39 #include <sys/types.h>
40 #include <sys/socket.h>
41 #include <netinet/in.h>
42 #include <arpa/inet.h>
43 #include <libcitadel.h>
46 #include "sysdep_decls.h"
48 #include "citserver.h"
51 #include "housekeeping.h"
55 #include "locate_host.h"
60 #include "euidindex.h"
66 #include "ctdl_module.h"
69 struct CitContext *ContextList = NULL;
70 struct CitContext* next_session = NULL;
71 char *unique_session_numbers;
72 int ScheduledShutdown = 0;
74 time_t server_startup_time;
78 * \brief print the actual stack frame.
80 void cit_backtrace(void)
83 void *stack_frames[50];
88 size = backtrace(stack_frames, sizeof(stack_frames) / sizeof(void*));
89 strings = backtrace_symbols(stack_frames, size);
90 for (i = 0; i < size; i++) {
92 lprintf(1, "%s\n", strings[i]);
94 lprintf(1, "%p\n", stack_frames[i]);
101 * \brief print the actual stack frame.
103 void cit_panic_backtrace(int SigNum)
105 #ifdef HAVE_BACKTRACE
106 void *stack_frames[10];
110 printf("caught signal 11\n");
111 size = backtrace(stack_frames, sizeof(stack_frames) / sizeof(void*));
112 strings = backtrace_symbols(stack_frames, size);
113 for (i = 0; i < size; i++) {
115 lprintf(1, "%s\n", strings[i]);
117 lprintf(1, "%p\n", stack_frames[i]);
125 * Various things that need to be initialized at startup
127 void master_startup(void) {
131 struct ctdlroom qrbuf;
133 lprintf(CTDL_DEBUG, "master_startup() started\n");
134 time(&server_startup_time);
136 lprintf(CTDL_INFO, "Opening databases\n");
139 ctdl_thread_internal_init_tsd();
141 CtdlThreadAllocTSD();
149 lprintf(CTDL_INFO, "Creating base rooms (if necessary)\n");
150 create_room(config.c_baseroom, 0, "", 0, 1, 0, VIEW_BBS);
151 create_room(AIDEROOM, 3, "", 0, 1, 0, VIEW_BBS);
152 create_room(SYSCONFIGROOM, 3, "", 0, 1, 0, VIEW_BBS);
153 create_room(config.c_twitroom, 0, "", 0, 1, 0, VIEW_BBS);
155 /* The "Local System Configuration" room doesn't need to be visible */
156 if (lgetroom(&qrbuf, SYSCONFIGROOM) == 0) {
157 qrbuf.QRflags2 |= QR2_SYSTEM;
161 lprintf(CTDL_INFO, "Seeding the pseudo-random number generator...\n");
162 urandom = fopen("/dev/urandom", "r");
163 if (urandom != NULL) {
164 fread(&seed, sizeof seed, 1, urandom);
168 gettimeofday(&tv, NULL);
173 lprintf(CTDL_INFO, "Initializing ipgm secret\n");
175 config.c_ipgm_secret = rand();
178 lprintf(CTDL_DEBUG, "master_startup() finished\n");
183 * Cleanup routine to be called when the server is shutting down.
185 void master_cleanup(int exitcode) {
186 struct CleanupFunctionHook *fcn;
187 static int already_cleaning_up = 0;
189 if (already_cleaning_up) while(1) sleep(1);
190 already_cleaning_up = 1;
192 /* Run any cleanup routines registered by loadable modules */
193 for (fcn = CleanupHookTable; fcn != NULL; fcn = fcn->next) {
194 (*fcn->h_function_pointer)();
197 /* Close the AdjRefCount queue file */
200 /* Do system-dependent stuff */
201 sysdep_master_cleanup();
203 /* Close databases */
204 lprintf(CTDL_INFO, "Closing databases\n");
207 #ifdef DEBUG_MEMORY_LEAKS
211 /* If the operator requested a halt but not an exit, halt here. */
212 if (shutdown_and_halt) {
213 lprintf(CTDL_NOTICE, "citserver: Halting server without exiting.\n");
214 fflush(stdout); fflush(stderr);
223 lprintf(CTDL_NOTICE, "citserver: Exiting with status %d\n", exitcode);
224 fflush(stdout); fflush(stderr);
226 if (restart_server != 0)
234 * Terminate a session.
236 void RemoveContext (struct CitContext *con)
240 "WARNING: RemoveContext() called with NULL!\n");
243 lprintf(CTDL_DEBUG, "RemoveContext() session %d\n", con->cs_pid);
245 /* Run any cleanup routines registered by loadable modules.
246 * Note: We have to "become_session()" because the cleanup functions
247 * might make references to "CC" assuming it's the right one.
250 PerformSessionHooks(EVT_STOP);
251 become_session(NULL);
253 /* Now handle all of the administrivia. */
254 lprintf(CTDL_DEBUG, "Calling logout(%d)\n", con->cs_pid);
257 lprintf(CTDL_NOTICE, "[%3d] Session ended.\n", con->cs_pid);
259 /* If the client is still connected, blow 'em away. */
260 lprintf(CTDL_DEBUG, "Closing socket %d\n", con->client_socket);
261 close(con->client_socket);
263 lprintf(CTDL_DEBUG, "Done with RemoveContext()\n");
271 * cmd_info() - tell the client about this server
273 void cmd_info(void) {
274 cprintf("%d Server info:\n", LISTING_FOLLOWS);
275 cprintf("%d\n", CC->cs_pid);
276 cprintf("%s\n", config.c_nodename);
277 cprintf("%s\n", config.c_humannode);
278 cprintf("%s\n", config.c_fqdn);
279 cprintf("%s\n", CITADEL);
280 cprintf("%d\n", REV_LEVEL);
281 cprintf("%s\n", config.c_site_location);
282 cprintf("%s\n", config.c_sysadm);
283 cprintf("%d\n", SERVER_TYPE);
284 cprintf("%s\n", config.c_moreprompt);
285 cprintf("1\n"); /* 1 = yes, this system supports floors */
286 cprintf("1\n"); /* 1 = we support the extended paging options */
287 cprintf("%s\n", CC->cs_nonce);
288 cprintf("1\n"); /* 1 = yes, this system supports the QNOP command */
291 cprintf("1\n"); /* 1 = yes, this server is LDAP-enabled */
293 cprintf("0\n"); /* 1 = no, this server is not LDAP-enabled */
296 if (config.c_auth_mode == AUTHMODE_NATIVE) {
297 cprintf("%d\n", config.c_disable_newu);
300 cprintf("1\n"); /* "create new user" does not work with non-native auth modes */
303 cprintf("%s\n", config.c_default_cal_zone);
304 /* Output load averages */
305 cprintf("%f\n", CtdlThreadLoadAvg);
306 cprintf("%f\n", CtdlThreadWorkerAvg);
307 cprintf("%d\n", CtdlThreadGetCount());
314 * returns an asterisk if there are any instant messages waiting,
317 char CtdlCheckExpress(void) {
318 if (CC->FirstExpressMessage == NULL) {
332 localtime_r(&tv, &tmp);
334 /* timezone and daylight global variables are not portable. */
335 #ifdef HAVE_STRUCT_TM_TM_GMTOFF
336 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, tmp.tm_gmtoff, tmp.tm_isdst);
338 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, timezone, tmp.tm_isdst);
344 * Check originating host against the public_clients file. This determines
345 * whether the client is allowed to change the hostname for this session
346 * (for example, to show the location of the user rather than the location
349 int is_public_client(void)
356 static time_t pc_timestamp = 0;
357 static char public_clients[SIZ];
358 static char public_clients_file[SIZ];
360 snprintf(public_clients_file,
361 sizeof public_clients_file,
366 * Check the time stamp on the public_clients file. If it's been
367 * updated since the last time we were here (or if this is the first
368 * time we've been through the loop), read its contents and learn
369 * the IP addresses of the listed hosts.
371 if (stat(public_clients_file, &statbuf) != 0) {
372 /* No public_clients file exists, so bail out */
373 lprintf(CTDL_WARNING, "Warning: '%s' does not exist\n",
374 public_clients_file);
378 if (statbuf.st_mtime > pc_timestamp) {
379 begin_critical_section(S_PUBLIC_CLIENTS);
380 lprintf(CTDL_INFO, "Loading %s\n", public_clients_file);
382 safestrncpy(public_clients, "127.0.0.1", sizeof public_clients);
383 if (hostname_to_dotted_quad(addrbuf, config.c_fqdn) == 0) {
384 strcat(public_clients, "|");
385 strcat(public_clients, addrbuf);
388 fp = fopen(public_clients_file, "r");
389 if (fp != NULL) while (fgets(buf, sizeof buf, fp)!=NULL) {
392 while (!IsEmptyStr(ptr)) {
400 while (ptr>buf && isspace(*ptr)) {
403 if (hostname_to_dotted_quad(addrbuf, buf) == 0) {
404 if ((strlen(public_clients) +
406 < sizeof(public_clients)) {
407 strcat(public_clients, "|");
408 strcat(public_clients, addrbuf);
413 pc_timestamp = time(NULL);
414 end_critical_section(S_PUBLIC_CLIENTS);
417 lprintf(CTDL_DEBUG, "Checking whether %s is a local or public client\n",
419 for (i=0; i<num_parms(public_clients); ++i) {
420 extract_token(addrbuf, public_clients, i, '|', sizeof addrbuf);
421 if (!strcasecmp(CC->cs_addr, addrbuf)) {
422 lprintf(CTDL_DEBUG, "... yes it is.\n");
427 /* No hits. This is not a public client. */
428 lprintf(CTDL_DEBUG, "... no it isn't.\n");
434 * the client is identifying itself to the server
436 void cmd_iden(char *argbuf)
446 if (num_parms(argbuf)<4) {
447 cprintf("%d usage error\n", ERROR + ILLEGAL_VALUE);
451 dev_code = extract_int(argbuf,0);
452 cli_code = extract_int(argbuf,1);
453 rev_level = extract_int(argbuf,2);
454 extract_token(desc, argbuf, 3, '|', sizeof desc);
456 safestrncpy(from_host, config.c_fqdn, sizeof from_host);
457 from_host[sizeof from_host - 1] = 0;
458 if (num_parms(argbuf)>=5) extract_token(from_host, argbuf, 4, '|', sizeof from_host);
460 CC->cs_clientdev = dev_code;
461 CC->cs_clienttyp = cli_code;
462 CC->cs_clientver = rev_level;
463 safestrncpy(CC->cs_clientname, desc, sizeof CC->cs_clientname);
464 CC->cs_clientname[31] = 0;
466 if (!IsEmptyStr(from_host)) {
467 if (CC->is_local_socket) do_lookup = 1;
468 else if (is_public_client()) do_lookup = 1;
472 lprintf(CTDL_DEBUG, "Looking up hostname '%s'\n", from_host);
473 if ((addr.s_addr = inet_addr(from_host)) != -1) {
474 locate_host(CC->cs_host, sizeof CC->cs_host,
475 CC->cs_addr, sizeof CC->cs_addr,
479 safestrncpy(CC->cs_host, from_host, sizeof CC->cs_host);
480 CC->cs_host[sizeof CC->cs_host - 1] = 0;
484 lprintf(CTDL_NOTICE, "Client %d/%d/%01d.%02d (%s) from %s\n",
491 cprintf("%d Ok\n",CIT_OK);
496 * display system messages or help
498 void cmd_mesg(char *mname)
508 extract_token(buf, mname, 0, '|', sizeof buf);
510 dirs[0] = strdup(ctdl_message_dir);
511 dirs[1] = strdup(ctdl_hlp_dir);
513 snprintf(buf2, sizeof buf2, "%s.%d.%d",
514 buf, CC->cs_clientdev, CC->cs_clienttyp);
516 /* If the client requested "?" then produce a listing */
517 if (!strcmp(buf, "?")) {
518 cprintf("%d %s\n", LISTING_FOLLOWS, buf);
519 dp = opendir(dirs[1]);
521 while (d = readdir(dp), d != NULL) {
522 if (d->d_name[0] != '.') {
523 cprintf(" %s\n", d->d_name);
534 /* Otherwise, look for the requested file by name. */
536 mesg_locate(targ, sizeof targ, buf2, 2, (const char **)dirs);
537 if (IsEmptyStr(targ)) {
538 snprintf(buf2, sizeof buf2, "%s.%d",
539 buf, CC->cs_clientdev);
540 mesg_locate(targ, sizeof targ, buf2, 2,
541 (const char **)dirs);
542 if (IsEmptyStr(targ)) {
543 mesg_locate(targ, sizeof targ, buf, 2,
544 (const char **)dirs);
552 if (IsEmptyStr(targ)) {
553 cprintf("%d '%s' not found. (Searching in %s and %s)\n",
554 ERROR + FILE_NOT_FOUND,
562 mfp = fopen(targ, "r");
564 cprintf("%d Cannot open '%s': %s\n",
565 ERROR + INTERNAL_ERROR, targ, strerror(errno));
568 cprintf("%d %s\n", LISTING_FOLLOWS,buf);
570 while (fgets(buf, (sizeof buf - 1), mfp) != NULL) {
571 buf[strlen(buf)-1] = 0;
582 * enter system messages or help
584 void cmd_emsg(char *mname)
594 if (CtdlAccessCheck(ac_aide)) return;
596 extract_token(buf, mname, 0, '|', sizeof buf);
597 for (a=0; !IsEmptyStr(&buf[a]); ++a) { /* security measure */
598 if (buf[a] == '/') buf[a] = '.';
601 dirs[0] = strdup(ctdl_message_dir);
602 dirs[1] = strdup(ctdl_hlp_dir);
604 mesg_locate(targ, sizeof targ, buf, 2, (const char**)dirs);
608 if (IsEmptyStr(targ)) {
609 snprintf(targ, sizeof targ,
614 mfp = fopen(targ,"w");
616 cprintf("%d Cannot open '%s': %s\n",
617 ERROR + INTERNAL_ERROR, targ, strerror(errno));
620 cprintf("%d %s\n", SEND_LISTING, targ);
622 while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
623 fprintf(mfp, "%s\n", buf);
630 /* Don't show the names of private rooms unless the viewing
631 * user also knows the rooms.
633 void GenerateRoomDisplay(char *real_room,
634 struct CitContext *viewed,
635 struct CitContext *viewer) {
639 strcpy(real_room, viewed->room.QRname);
640 if (viewed->room.QRflags & QR_MAILBOX) {
641 strcpy(real_room, &real_room[11]);
643 if (viewed->room.QRflags & QR_PRIVATE) {
644 CtdlRoomAccess(&viewed->room, &viewer->user, &ra, NULL);
645 if ( (ra & UA_KNOWN) == 0) {
646 strcpy(real_room, "<private room>");
650 if (viewed->cs_flags & CS_CHAT) {
651 while (strlen(real_room) < 14)
652 strcat(real_room, " ");
654 strcpy(&real_room[14], "<chat>");
660 * Convenience function.
662 int CtdlAccessCheck(int required_level) {
664 if (CC->internal_pgm) return(0);
665 if (required_level >= ac_internal) {
666 cprintf("%d This is not a user-level command.\n",
667 ERROR + HIGHER_ACCESS_REQUIRED);
671 if ((required_level >= ac_logged_in) && (CC->logged_in == 0)) {
672 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
676 if (CC->user.axlevel >= 6) return(0);
677 if (required_level >= ac_aide) {
678 cprintf("%d This command requires Aide access.\n",
679 ERROR + HIGHER_ACCESS_REQUIRED);
683 if (is_room_aide()) return(0);
684 if (required_level >= ac_room_aide) {
685 cprintf("%d This command requires Aide or Room Aide access.\n",
686 ERROR + HIGHER_ACCESS_REQUIRED);
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",
779 ERROR + PASSWORD_REQUIRED);
781 else if (secret == config.c_ipgm_secret) {
782 CC->internal_pgm = 1;
783 strcpy(CC->curr_user, "<internal program>");
784 CC->cs_flags = CC->cs_flags|CS_STEALTH;
785 cprintf("%d Authenticated as an internal program.\n", CIT_OK);
789 cprintf("%d Authentication failed.\n",
790 ERROR + PASSWORD_REQUIRED);
791 lprintf(CTDL_ERR, "Warning: ipgm authentication failed.\n");
795 /* Now change the ipgm secret for the next round.
796 * (Disabled because it breaks concurrent scripts. The fact that
797 * we no longer accept IPGM over the network should be sufficient
798 * to prevent brute-force attacks. If you don't agree, uncomment
801 config.c_ipgm_secret = rand();
808 * Shut down the server
810 void cmd_down(char *argbuf) {
811 char *Reply ="%d Shutting down server. Goodbye.\n";
813 if (CtdlAccessCheck(ac_aide)) return;
815 if (!IsEmptyStr(argbuf))
818 restart_server = extract_int(argbuf, 0);
820 if (restart_server > 0)
821 Reply = "%d Restarting server. See you soon.\n";
822 if ((restart_server > 0) && !running_as_daemon)
824 lprintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
825 Reply = "%d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
828 cprintf(Reply, state);
832 cprintf(Reply, CIT_OK + SERVER_SHUTTING_DOWN);
838 * Halt the server without exiting the server process.
840 void cmd_halt(void) {
842 if (CtdlAccessCheck(ac_aide)) return;
844 cprintf("%d Halting server. Goodbye.\n", CIT_OK);
846 shutdown_and_halt = 1;
850 * Schedule or cancel a server shutdown
852 void cmd_scdn(char *argbuf)
856 char *Reply = "%d %d\n";
858 if (CtdlAccessCheck(ac_aide)) return;
860 new_state = extract_int(argbuf, 0);
861 if ((new_state == 2) || (new_state == 3))
864 if (!running_as_daemon)
866 lprintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
867 Reply = "%d %d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
871 restart_server = extract_int(argbuf, 0);
874 if ((new_state == 0) || (new_state == 1)) {
875 ScheduledShutdown = new_state;
877 cprintf(Reply, state, ScheduledShutdown);
882 * Set or unset asynchronous protocol mode
884 void cmd_asyn(char *argbuf)
888 new_state = extract_int(argbuf, 0);
889 if ((new_state == 0) || (new_state == 1)) {
890 CC->is_async = new_state;
892 cprintf("%d %d\n", CIT_OK, CC->is_async);
897 * Generate a "nonce" for APOP-style authentication.
899 * RFC 1725 et al specify a PID to be placed in front of the nonce.
900 * Quoth BTX: That would be stupid.
902 void generate_nonce(struct CitContext *con) {
905 memset(con->cs_nonce, NONCE_SIZE, 0);
906 gettimeofday(&tv, NULL);
907 memset(con->cs_nonce, NONCE_SIZE, 0);
908 snprintf(con->cs_nonce, NONCE_SIZE, "<%d%ld@%s>",
909 rand(), (long)tv.tv_usec, config.c_fqdn);
916 * Back-end function for starting a session
918 void begin_session(struct CitContext *con)
921 struct sockaddr_in sin;
924 * Initialize some variables specific to our context.
927 con->internal_pgm = 0;
928 con->download_fp = NULL;
929 con->upload_fp = NULL;
930 con->FirstExpressMessage = NULL;
932 time(&con->lastidle);
933 strcpy(con->lastcmdname, " ");
934 strcpy(con->cs_clientname, "(unknown)");
935 strcpy(con->curr_user, NLI);
936 *con->net_node = '\0';
937 *con->fake_username = '\0';
938 *con->fake_hostname = '\0';
939 *con->fake_roomname = '\0';
941 safestrncpy(con->cs_host, config.c_fqdn, sizeof con->cs_host);
942 safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
943 con->cs_host[sizeof con->cs_host - 1] = 0;
945 if (!CC->is_local_socket) {
946 if (!getpeername(con->client_socket, (struct sockaddr *) &sin, &len)) {
947 locate_host(con->cs_host, sizeof con->cs_host,
948 con->cs_addr, sizeof con->cs_addr,
954 strcpy(con->cs_host, "");
957 con->upload_type = UPL_FILE;
961 if ((config.c_maxsessions > 0)&&(num_sessions > config.c_maxsessions)) {
965 lprintf(CTDL_NOTICE, "Session started.\n");
967 /* Run any session startup routines registered by loadable modules */
968 PerformSessionHooks(EVT_START);
972 void citproto_begin_session() {
973 if (CC->nologin==1) {
974 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
975 ERROR + MAX_SESSIONS_EXCEEDED,
976 config.c_nodename, config.c_maxsessions
981 cprintf("%d %s Citadel server ready.\n",
982 CIT_OK, config.c_nodename);
990 * This loop recognizes all server commands.
992 void do_command_loop(void) {
994 const char *old_name = NULL;
996 old_name = CtdlThreadName("do_command_loop");
999 memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1000 if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1001 lprintf(CTDL_ERR, "Client disconnected: ending session.\n");
1003 CtdlThreadName(old_name);
1007 /* Log the server command, but don't show passwords... */
1008 if ( (strncasecmp(cmdbuf, "PASS", 4))
1009 && (strncasecmp(cmdbuf, "SETP", 4)) ) {
1010 lprintf(CTDL_INFO, "%s\n", cmdbuf);
1013 lprintf(CTDL_INFO, "<password command sent>\n");
1019 * Let other clients see the last command we executed, and
1020 * update the idle time, but not NOOP, QNOP, PEXP, GEXP, RWHO, or TIME.
1022 if ( (strncasecmp(cmdbuf, "NOOP", 4))
1023 && (strncasecmp(cmdbuf, "QNOP", 4))
1024 && (strncasecmp(cmdbuf, "PEXP", 4))
1025 && (strncasecmp(cmdbuf, "GEXP", 4))
1026 && (strncasecmp(cmdbuf, "RWHO", 4))
1027 && (strncasecmp(cmdbuf, "TIME", 4)) ) {
1028 strcpy(CC->lastcmdname, " ");
1029 safestrncpy(CC->lastcmdname, cmdbuf, sizeof(CC->lastcmdname));
1030 time(&CC->lastidle);
1033 CtdlThreadName(cmdbuf);
1035 if ((strncasecmp(cmdbuf, "ENT0", 4))
1036 && (strncasecmp(cmdbuf, "MESG", 4))
1037 && (strncasecmp(cmdbuf, "MSGS", 4)))
1039 CC->cs_flags &= ~CS_POSTING;
1042 if (!strncasecmp(cmdbuf, "NOOP", 4)) {
1043 cprintf("%d%cok\n", CIT_OK, CtdlCheckExpress() );
1046 else if (!strncasecmp(cmdbuf, "QNOP", 4)) {
1047 /* do nothing, this command returns no response */
1050 else if (!strncasecmp(cmdbuf,"QUIT",4)) {
1051 cprintf("%d Goodbye.\n", CIT_OK);
1055 else if (!strncasecmp(cmdbuf,"ASYN",4)) {
1056 cmd_asyn(&cmdbuf[5]);
1059 else if (!strncasecmp(cmdbuf,"LOUT",4)) {
1060 if (CC->logged_in) logout(CC);
1061 cprintf("%d logged out.\n", CIT_OK);
1064 else if (!strncasecmp(cmdbuf,"USER",4)) {
1065 cmd_user(&cmdbuf[5]);
1068 else if (!strncasecmp(cmdbuf,"PASS",4)) {
1069 cmd_pass(&cmdbuf[5]);
1072 else if (!strncasecmp(cmdbuf,"NEWU",4)) {
1073 cmd_newu(&cmdbuf[5]);
1076 else if (!strncasecmp(cmdbuf,"CREU",4)) {
1077 cmd_creu(&cmdbuf[5]);
1080 else if (!strncasecmp(cmdbuf,"SETP",4)) {
1081 cmd_setp(&cmdbuf[5]);
1084 else if (!strncasecmp(cmdbuf,"LRMS",4)) {
1085 cmd_lrms(&cmdbuf[5]);
1088 else if (!strncasecmp(cmdbuf,"LKRA",4)) {
1089 cmd_lkra(&cmdbuf[5]);
1092 else if (!strncasecmp(cmdbuf,"LKRN",4)) {
1093 cmd_lkrn(&cmdbuf[5]);
1096 else if (!strncasecmp(cmdbuf,"LKRO",4)) {
1097 cmd_lkro(&cmdbuf[5]);
1100 else if (!strncasecmp(cmdbuf,"LZRM",4)) {
1101 cmd_lzrm(&cmdbuf[5]);
1104 else if (!strncasecmp(cmdbuf,"LPRM",4)) {
1105 cmd_lprm(&cmdbuf[5]);
1108 else if (!strncasecmp(cmdbuf,"GETU",4)) {
1112 else if (!strncasecmp(cmdbuf,"SETU",4)) {
1113 cmd_setu(&cmdbuf[5]);
1116 else if (!strncasecmp(cmdbuf,"GOTO",4)) {
1117 cmd_goto(&cmdbuf[5]);
1120 else if (!strncasecmp(cmdbuf,"MSGS",4)) {
1121 cmd_msgs(&cmdbuf[5]);
1124 else if (!strncasecmp(cmdbuf,"WHOK",4)) {
1128 else if (!strncasecmp(cmdbuf,"RDIR",4)) {
1132 else if (!strncasecmp(cmdbuf,"EUID",4)) {
1133 cmd_euid(&cmdbuf[5]);
1136 else if (!strncasecmp(cmdbuf,"MSG0",4)) {
1137 cmd_msg0(&cmdbuf[5]);
1140 else if (!strncasecmp(cmdbuf,"MSG2",4)) {
1141 cmd_msg2(&cmdbuf[5]);
1144 else if (!strncasecmp(cmdbuf,"MSG3",4)) {
1145 cmd_msg3(&cmdbuf[5]);
1148 else if (!strncasecmp(cmdbuf,"MSG4",4)) {
1149 cmd_msg4(&cmdbuf[5]);
1152 else if (!strncasecmp(cmdbuf,"MSGP",4)) {
1153 cmd_msgp(&cmdbuf[5]);
1156 else if (!strncasecmp(cmdbuf,"OPNA",4)) {
1157 cmd_opna(&cmdbuf[5]);
1160 else if (!strncasecmp(cmdbuf,"DLAT",4)) {
1161 cmd_dlat(&cmdbuf[5]);
1164 else if (!strncasecmp(cmdbuf,"INFO",4)) {
1168 else if (!strncasecmp(cmdbuf,"SLRP",4)) {
1169 cmd_slrp(&cmdbuf[5]);
1172 else if (!strncasecmp(cmdbuf,"INVT",4)) {
1173 cmd_invt_kick(&cmdbuf[5],1);
1176 else if (!strncasecmp(cmdbuf,"KICK",4)) {
1177 cmd_invt_kick(&cmdbuf[5],0);
1180 else if (!strncasecmp(cmdbuf,"GETR",4)) {
1184 else if (!strncasecmp(cmdbuf,"SETR",4)) {
1185 cmd_setr(&cmdbuf[5]);
1188 else if (!strncasecmp(cmdbuf,"GETA",4)) {
1192 else if (!strncasecmp(cmdbuf,"SETA",4)) {
1193 cmd_seta(&cmdbuf[5]);
1196 else if (!strncasecmp(cmdbuf,"ENT0",4)) {
1197 cmd_ent0(&cmdbuf[5]);
1200 else if (!strncasecmp(cmdbuf,"RINF",4)) {
1204 else if (!strncasecmp(cmdbuf,"DELE",4)) {
1205 cmd_dele(&cmdbuf[5]);
1208 else if (!strncasecmp(cmdbuf,"KILL",4)) {
1209 cmd_kill(&cmdbuf[5]);
1212 else if (!strncasecmp(cmdbuf,"CRE8",4)) {
1213 cmd_cre8(&cmdbuf[5]);
1216 else if (!strncasecmp(cmdbuf,"MOVE",4)) {
1217 cmd_move(&cmdbuf[5]);
1220 else if (!strncasecmp(cmdbuf,"FORG",4)) {
1224 else if (!strncasecmp(cmdbuf,"MESG",4)) {
1225 cmd_mesg(&cmdbuf[5]);
1228 else if (!strncasecmp(cmdbuf,"EMSG",4)) {
1229 cmd_emsg(&cmdbuf[5]);
1232 else if (!strncasecmp(cmdbuf,"GNUR",4)) {
1236 else if (!strncasecmp(cmdbuf,"VALI",4)) {
1237 cmd_vali(&cmdbuf[5]);
1240 else if (!strncasecmp(cmdbuf,"EINF",4)) {
1241 cmd_einf(&cmdbuf[5]);
1244 else if (!strncasecmp(cmdbuf,"LIST",4)) {
1245 cmd_list(&cmdbuf[5]);
1248 else if (!strncasecmp(cmdbuf,"CHEK",4)) {
1252 else if (!strncasecmp(cmdbuf,"DELF",4)) {
1253 cmd_delf(&cmdbuf[5]);
1256 else if (!strncasecmp(cmdbuf,"MOVF",4)) {
1257 cmd_movf(&cmdbuf[5]);
1260 else if (!strncasecmp(cmdbuf,"NETF",4)) {
1261 cmd_netf(&cmdbuf[5]);
1264 else if (!strncasecmp(cmdbuf,"OPEN",4)) {
1265 cmd_open(&cmdbuf[5]);
1268 else if (!strncasecmp(cmdbuf,"CLOS",4)) {
1272 else if (!strncasecmp(cmdbuf,"UOPN",4)) {
1273 cmd_uopn(&cmdbuf[5]);
1276 else if (!strncasecmp(cmdbuf,"UCLS",4)) {
1277 cmd_ucls(&cmdbuf[5]);
1280 else if (!strncasecmp(cmdbuf,"READ",4)) {
1281 cmd_read(&cmdbuf[5]);
1284 else if (!strncasecmp(cmdbuf,"WRIT",4)) {
1285 cmd_writ(&cmdbuf[5]);
1288 else if (!strncasecmp(cmdbuf,"QUSR",4)) {
1289 cmd_qusr(&cmdbuf[5]);
1292 else if (!strncasecmp(cmdbuf,"ECHO",4)) {
1293 cmd_echo(&cmdbuf[5]);
1296 else if (!strncasecmp(cmdbuf,"OIMG",4)) {
1297 cmd_oimg(&cmdbuf[5]);
1300 else if (!strncasecmp(cmdbuf,"MORE",4)) {
1304 else if (!strncasecmp(cmdbuf,"NDOP",4)) {
1305 cmd_ndop(&cmdbuf[5]);
1308 else if (!strncasecmp(cmdbuf,"NUOP",4)) {
1309 cmd_nuop(&cmdbuf[5]);
1312 else if (!strncasecmp(cmdbuf,"LFLR",4)) {
1316 else if (!strncasecmp(cmdbuf,"CFLR",4)) {
1317 cmd_cflr(&cmdbuf[5]);
1320 else if (!strncasecmp(cmdbuf,"KFLR",4)) {
1321 cmd_kflr(&cmdbuf[5]);
1324 else if (!strncasecmp(cmdbuf,"EFLR",4)) {
1325 cmd_eflr(&cmdbuf[5]);
1328 else if (!strncasecmp(cmdbuf,"IDEN",4)) {
1329 cmd_iden(&cmdbuf[5]);
1332 else if (!strncasecmp(cmdbuf,"IPGM",4)) {
1333 cmd_ipgm(&cmdbuf[5]);
1336 else if (!strncasecmp(cmdbuf,"TERM",4)) {
1337 cmd_term(&cmdbuf[5]);
1340 else if (!strncasecmp(cmdbuf,"DOWN",4)) {
1341 cmd_down(&cmdbuf[5]);
1344 else if (!strncasecmp(cmdbuf,"HALT",4)) {
1348 else if (!strncasecmp(cmdbuf,"SCDN",4)) {
1349 cmd_scdn(&cmdbuf[5]);
1352 else if (!strncasecmp(cmdbuf, "UIMG", 4)) {
1353 cmd_uimg(&cmdbuf[5]);
1356 else if (!strncasecmp(cmdbuf, "TIME", 4)) {
1360 else if (!strncasecmp(cmdbuf, "AGUP", 4)) {
1361 cmd_agup(&cmdbuf[5]);
1364 else if (!strncasecmp(cmdbuf, "ASUP", 4)) {
1365 cmd_asup(&cmdbuf[5]);
1368 else if (!strncasecmp(cmdbuf, "GPEX", 4)) {
1369 cmd_gpex(&cmdbuf[5]);
1372 else if (!strncasecmp(cmdbuf, "SPEX", 4)) {
1373 cmd_spex(&cmdbuf[5]);
1376 else if (!strncasecmp(cmdbuf, "CONF", 4)) {
1377 cmd_conf(&cmdbuf[5]);
1380 else if (!strncasecmp(cmdbuf, "SEEN", 4)) {
1381 cmd_seen(&cmdbuf[5]);
1384 else if (!strncasecmp(cmdbuf, "GTSN", 4)) {
1385 cmd_gtsn(&cmdbuf[5]);
1388 else if (!strncasecmp(cmdbuf, "VIEW", 4)) {
1389 cmd_view(&cmdbuf[5]);
1392 else if (!strncasecmp(cmdbuf, "ISME", 4)) {
1393 cmd_isme(&cmdbuf[5]);
1396 else if (!DLoader_Exec_Cmd(cmdbuf)) {
1397 cprintf("%d Unrecognized or unsupported command.\n",
1398 ERROR + CMD_NOT_SUPPORTED);
1403 /* Run any after-each-command routines registered by modules */
1404 PerformSessionHooks(EVT_CMD);
1405 CtdlThreadName(old_name);
1410 * This loop performs all asynchronous functions.
1412 void do_async_loop(void) {
1413 PerformSessionHooks(EVT_ASYNC);