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);
305 /* Output load averages */
306 cprintf("%f\n", CtdlThreadLoadAvg);
307 cprintf("%f\n", CtdlThreadWorkerAvg);
308 cprintf("%d\n", CtdlThreadGetCount());
310 /* Does this server support Sieve mail filtering? */
312 cprintf("1\n"); /* yes */
314 cprintf("0\n"); /* no */
322 * returns an asterisk if there are any instant messages waiting,
325 char CtdlCheckExpress(void) {
326 if (CC->FirstExpressMessage == NULL) {
340 localtime_r(&tv, &tmp);
342 /* timezone and daylight global variables are not portable. */
343 #ifdef HAVE_STRUCT_TM_TM_GMTOFF
344 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, tmp.tm_gmtoff, tmp.tm_isdst);
346 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, timezone, tmp.tm_isdst);
352 * Check originating host against the public_clients file. This determines
353 * whether the client is allowed to change the hostname for this session
354 * (for example, to show the location of the user rather than the location
357 int is_public_client(void)
364 static time_t pc_timestamp = 0;
365 static char public_clients[SIZ];
366 static char public_clients_file[SIZ];
368 snprintf(public_clients_file,
369 sizeof public_clients_file,
374 * Check the time stamp on the public_clients file. If it's been
375 * updated since the last time we were here (or if this is the first
376 * time we've been through the loop), read its contents and learn
377 * the IP addresses of the listed hosts.
379 if (stat(public_clients_file, &statbuf) != 0) {
380 /* No public_clients file exists, so bail out */
381 lprintf(CTDL_WARNING, "Warning: '%s' does not exist\n",
382 public_clients_file);
386 if (statbuf.st_mtime > pc_timestamp) {
387 begin_critical_section(S_PUBLIC_CLIENTS);
388 lprintf(CTDL_INFO, "Loading %s\n", public_clients_file);
390 safestrncpy(public_clients, "127.0.0.1", sizeof public_clients);
391 if (hostname_to_dotted_quad(addrbuf, config.c_fqdn) == 0) {
392 strcat(public_clients, "|");
393 strcat(public_clients, addrbuf);
396 fp = fopen(public_clients_file, "r");
397 if (fp != NULL) while (fgets(buf, sizeof buf, fp)!=NULL) {
400 while (!IsEmptyStr(ptr)) {
408 while (ptr>buf && isspace(*ptr)) {
411 if (hostname_to_dotted_quad(addrbuf, buf) == 0) {
412 if ((strlen(public_clients) +
414 < sizeof(public_clients)) {
415 strcat(public_clients, "|");
416 strcat(public_clients, addrbuf);
421 pc_timestamp = time(NULL);
422 end_critical_section(S_PUBLIC_CLIENTS);
425 lprintf(CTDL_DEBUG, "Checking whether %s is a local or public client\n",
427 for (i=0; i<num_parms(public_clients); ++i) {
428 extract_token(addrbuf, public_clients, i, '|', sizeof addrbuf);
429 if (!strcasecmp(CC->cs_addr, addrbuf)) {
430 lprintf(CTDL_DEBUG, "... yes it is.\n");
435 /* No hits. This is not a public client. */
436 lprintf(CTDL_DEBUG, "... no it isn't.\n");
442 * the client is identifying itself to the server
444 void cmd_iden(char *argbuf)
454 if (num_parms(argbuf)<4) {
455 cprintf("%d usage error\n", ERROR + ILLEGAL_VALUE);
459 dev_code = extract_int(argbuf,0);
460 cli_code = extract_int(argbuf,1);
461 rev_level = extract_int(argbuf,2);
462 extract_token(desc, argbuf, 3, '|', sizeof desc);
464 safestrncpy(from_host, config.c_fqdn, sizeof from_host);
465 from_host[sizeof from_host - 1] = 0;
466 if (num_parms(argbuf)>=5) extract_token(from_host, argbuf, 4, '|', sizeof from_host);
468 CC->cs_clientdev = dev_code;
469 CC->cs_clienttyp = cli_code;
470 CC->cs_clientver = rev_level;
471 safestrncpy(CC->cs_clientname, desc, sizeof CC->cs_clientname);
472 CC->cs_clientname[31] = 0;
474 if (!IsEmptyStr(from_host)) {
475 if (CC->is_local_socket) do_lookup = 1;
476 else if (is_public_client()) do_lookup = 1;
480 lprintf(CTDL_DEBUG, "Looking up hostname '%s'\n", from_host);
481 if ((addr.s_addr = inet_addr(from_host)) != -1) {
482 locate_host(CC->cs_host, sizeof CC->cs_host,
483 CC->cs_addr, sizeof CC->cs_addr,
487 safestrncpy(CC->cs_host, from_host, sizeof CC->cs_host);
488 CC->cs_host[sizeof CC->cs_host - 1] = 0;
492 lprintf(CTDL_NOTICE, "Client %d/%d/%01d.%02d (%s) from %s\n",
499 cprintf("%d Ok\n",CIT_OK);
504 * display system messages or help
506 void cmd_mesg(char *mname)
516 extract_token(buf, mname, 0, '|', sizeof buf);
518 dirs[0] = strdup(ctdl_message_dir);
519 dirs[1] = strdup(ctdl_hlp_dir);
521 snprintf(buf2, sizeof buf2, "%s.%d.%d",
522 buf, CC->cs_clientdev, CC->cs_clienttyp);
524 /* If the client requested "?" then produce a listing */
525 if (!strcmp(buf, "?")) {
526 cprintf("%d %s\n", LISTING_FOLLOWS, buf);
527 dp = opendir(dirs[1]);
529 while (d = readdir(dp), d != NULL) {
530 if (d->d_name[0] != '.') {
531 cprintf(" %s\n", d->d_name);
542 /* Otherwise, look for the requested file by name. */
544 mesg_locate(targ, sizeof targ, buf2, 2, (const char **)dirs);
545 if (IsEmptyStr(targ)) {
546 snprintf(buf2, sizeof buf2, "%s.%d",
547 buf, CC->cs_clientdev);
548 mesg_locate(targ, sizeof targ, buf2, 2,
549 (const char **)dirs);
550 if (IsEmptyStr(targ)) {
551 mesg_locate(targ, sizeof targ, buf, 2,
552 (const char **)dirs);
560 if (IsEmptyStr(targ)) {
561 cprintf("%d '%s' not found. (Searching in %s and %s)\n",
562 ERROR + FILE_NOT_FOUND,
570 mfp = fopen(targ, "r");
572 cprintf("%d Cannot open '%s': %s\n",
573 ERROR + INTERNAL_ERROR, targ, strerror(errno));
576 cprintf("%d %s\n", LISTING_FOLLOWS,buf);
578 while (fgets(buf, (sizeof buf - 1), mfp) != NULL) {
579 buf[strlen(buf)-1] = 0;
590 * enter system messages or help
592 void cmd_emsg(char *mname)
602 if (CtdlAccessCheck(ac_aide)) return;
604 extract_token(buf, mname, 0, '|', sizeof buf);
605 for (a=0; !IsEmptyStr(&buf[a]); ++a) { /* security measure */
606 if (buf[a] == '/') buf[a] = '.';
609 dirs[0] = strdup(ctdl_message_dir);
610 dirs[1] = strdup(ctdl_hlp_dir);
612 mesg_locate(targ, sizeof targ, buf, 2, (const char**)dirs);
616 if (IsEmptyStr(targ)) {
617 snprintf(targ, sizeof targ,
622 mfp = fopen(targ,"w");
624 cprintf("%d Cannot open '%s': %s\n",
625 ERROR + INTERNAL_ERROR, targ, strerror(errno));
628 cprintf("%d %s\n", SEND_LISTING, targ);
630 while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
631 fprintf(mfp, "%s\n", buf);
638 /* Don't show the names of private rooms unless the viewing
639 * user also knows the rooms.
641 void GenerateRoomDisplay(char *real_room,
642 struct CitContext *viewed,
643 struct CitContext *viewer) {
647 strcpy(real_room, viewed->room.QRname);
648 if (viewed->room.QRflags & QR_MAILBOX) {
649 strcpy(real_room, &real_room[11]);
651 if (viewed->room.QRflags & QR_PRIVATE) {
652 CtdlRoomAccess(&viewed->room, &viewer->user, &ra, NULL);
653 if ( (ra & UA_KNOWN) == 0) {
654 strcpy(real_room, "<private room>");
658 if (viewed->cs_flags & CS_CHAT) {
659 while (strlen(real_room) < 14)
660 strcat(real_room, " ");
662 strcpy(&real_room[14], "<chat>");
668 * Convenience function.
670 int CtdlAccessCheck(int required_level) {
672 if (CC->internal_pgm) return(0);
673 if (required_level >= ac_internal) {
674 cprintf("%d This is not a user-level command.\n",
675 ERROR + HIGHER_ACCESS_REQUIRED);
679 if ((required_level >= ac_logged_in) && (CC->logged_in == 0)) {
680 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
684 if (CC->user.axlevel >= 6) return(0);
685 if (required_level >= ac_aide) {
686 cprintf("%d This command requires Aide access.\n",
687 ERROR + HIGHER_ACCESS_REQUIRED);
691 if (is_room_aide()) return(0);
692 if (required_level >= ac_room_aide) {
693 cprintf("%d This command requires Aide or Room Aide access.\n",
694 ERROR + HIGHER_ACCESS_REQUIRED);
698 /* shhh ... succeed quietly */
705 * Terminate another running session
707 void cmd_term(char *cmdbuf)
710 struct CitContext *ccptr;
714 session_num = extract_int(cmdbuf, 0);
715 if (session_num == CC->cs_pid) {
716 cprintf("%d You can't kill your own session.\n", ERROR + ILLEGAL_VALUE);
720 lprintf(CTDL_DEBUG, "Locating session to kill\n");
721 begin_critical_section(S_SESSION_TABLE);
722 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
723 if (session_num == ccptr->cs_pid) {
725 if ((ccptr->user.usernum == CC->user.usernum)
726 || (CC->user.axlevel >= 6)) {
735 end_critical_section(S_SESSION_TABLE);
739 cprintf("%d Session terminated.\n", CIT_OK);
742 cprintf("%d You are not allowed to do that.\n",
743 ERROR + HIGHER_ACCESS_REQUIRED);
747 cprintf("%d No such session.\n", ERROR + ILLEGAL_VALUE);
756 * get the paginator prompt
758 void cmd_more(void) {
759 cprintf("%d %s\n", CIT_OK, config.c_moreprompt);
765 void cmd_echo(char *etext)
767 cprintf("%d %s\n", CIT_OK, etext);
773 * identify as internal program
775 void cmd_ipgm(char *argbuf)
779 secret = extract_int(argbuf, 0);
781 /* For security reasons, we do NOT allow this command to run
782 * over the network. Local sockets only.
784 if (!CC->is_local_socket) {
786 cprintf("%d Authentication failed.\n",
787 ERROR + PASSWORD_REQUIRED);
789 else if (secret == config.c_ipgm_secret) {
790 CC->internal_pgm = 1;
791 strcpy(CC->curr_user, "<internal program>");
792 CC->cs_flags = CC->cs_flags|CS_STEALTH;
793 cprintf("%d Authenticated as an internal program.\n", CIT_OK);
797 cprintf("%d Authentication failed.\n",
798 ERROR + PASSWORD_REQUIRED);
799 lprintf(CTDL_ERR, "Warning: ipgm authentication failed.\n");
803 /* Now change the ipgm secret for the next round.
804 * (Disabled because it breaks concurrent scripts. The fact that
805 * we no longer accept IPGM over the network should be sufficient
806 * to prevent brute-force attacks. If you don't agree, uncomment
809 config.c_ipgm_secret = rand();
816 * Shut down the server
818 void cmd_down(char *argbuf) {
819 char *Reply ="%d Shutting down server. Goodbye.\n";
821 if (CtdlAccessCheck(ac_aide)) return;
823 if (!IsEmptyStr(argbuf))
826 restart_server = extract_int(argbuf, 0);
828 if (restart_server > 0)
829 Reply = "%d Restarting server. See you soon.\n";
830 if ((restart_server > 0) && !running_as_daemon)
832 lprintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
833 Reply = "%d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
836 cprintf(Reply, state);
840 cprintf(Reply, CIT_OK + SERVER_SHUTTING_DOWN);
846 * Halt the server without exiting the server process.
848 void cmd_halt(void) {
850 if (CtdlAccessCheck(ac_aide)) return;
852 cprintf("%d Halting server. Goodbye.\n", CIT_OK);
854 shutdown_and_halt = 1;
858 * Schedule or cancel a server shutdown
860 void cmd_scdn(char *argbuf)
864 char *Reply = "%d %d\n";
866 if (CtdlAccessCheck(ac_aide)) return;
868 new_state = extract_int(argbuf, 0);
869 if ((new_state == 2) || (new_state == 3))
872 if (!running_as_daemon)
874 lprintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
875 Reply = "%d %d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
879 restart_server = extract_int(argbuf, 0);
882 if ((new_state == 0) || (new_state == 1)) {
883 ScheduledShutdown = new_state;
885 cprintf(Reply, state, ScheduledShutdown);
890 * Set or unset asynchronous protocol mode
892 void cmd_asyn(char *argbuf)
896 new_state = extract_int(argbuf, 0);
897 if ((new_state == 0) || (new_state == 1)) {
898 CC->is_async = new_state;
900 cprintf("%d %d\n", CIT_OK, CC->is_async);
905 * Generate a "nonce" for APOP-style authentication.
907 * RFC 1725 et al specify a PID to be placed in front of the nonce.
908 * Quoth BTX: That would be stupid.
910 void generate_nonce(struct CitContext *con) {
913 memset(con->cs_nonce, NONCE_SIZE, 0);
914 gettimeofday(&tv, NULL);
915 memset(con->cs_nonce, NONCE_SIZE, 0);
916 snprintf(con->cs_nonce, NONCE_SIZE, "<%d%ld@%s>",
917 rand(), (long)tv.tv_usec, config.c_fqdn);
924 * Back-end function for starting a session
926 void begin_session(struct CitContext *con)
929 struct sockaddr_in sin;
932 * Initialize some variables specific to our context.
935 con->internal_pgm = 0;
936 con->download_fp = NULL;
937 con->upload_fp = NULL;
938 con->FirstExpressMessage = NULL;
940 time(&con->lastidle);
941 strcpy(con->lastcmdname, " ");
942 strcpy(con->cs_clientname, "(unknown)");
943 strcpy(con->curr_user, NLI);
944 *con->net_node = '\0';
945 *con->fake_username = '\0';
946 *con->fake_hostname = '\0';
947 *con->fake_roomname = '\0';
949 safestrncpy(con->cs_host, config.c_fqdn, sizeof con->cs_host);
950 safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
951 con->cs_host[sizeof con->cs_host - 1] = 0;
953 if (!CC->is_local_socket) {
954 if (!getpeername(con->client_socket, (struct sockaddr *) &sin, &len)) {
955 locate_host(con->cs_host, sizeof con->cs_host,
956 con->cs_addr, sizeof con->cs_addr,
962 strcpy(con->cs_host, "");
965 con->upload_type = UPL_FILE;
969 if ((config.c_maxsessions > 0)&&(num_sessions > config.c_maxsessions)) {
973 lprintf(CTDL_NOTICE, "Session started.\n");
975 /* Run any session startup routines registered by loadable modules */
976 PerformSessionHooks(EVT_START);
980 void citproto_begin_session() {
981 if (CC->nologin==1) {
982 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
983 ERROR + MAX_SESSIONS_EXCEEDED,
984 config.c_nodename, config.c_maxsessions
989 cprintf("%d %s Citadel server ready.\n",
990 CIT_OK, config.c_nodename);
998 * This loop recognizes all server commands.
1000 void do_command_loop(void) {
1002 const char *old_name = NULL;
1004 old_name = CtdlThreadName("do_command_loop");
1007 memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1008 if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1009 lprintf(CTDL_ERR, "Client disconnected: ending session.\n");
1011 CtdlThreadName(old_name);
1015 /* Log the server command, but don't show passwords... */
1016 if ( (strncasecmp(cmdbuf, "PASS", 4))
1017 && (strncasecmp(cmdbuf, "SETP", 4)) ) {
1018 lprintf(CTDL_INFO, "%s\n", cmdbuf);
1021 lprintf(CTDL_INFO, "<password command sent>\n");
1027 * Let other clients see the last command we executed, and
1028 * update the idle time, but not NOOP, QNOP, PEXP, GEXP, RWHO, or TIME.
1030 if ( (strncasecmp(cmdbuf, "NOOP", 4))
1031 && (strncasecmp(cmdbuf, "QNOP", 4))
1032 && (strncasecmp(cmdbuf, "PEXP", 4))
1033 && (strncasecmp(cmdbuf, "GEXP", 4))
1034 && (strncasecmp(cmdbuf, "RWHO", 4))
1035 && (strncasecmp(cmdbuf, "TIME", 4)) ) {
1036 strcpy(CC->lastcmdname, " ");
1037 safestrncpy(CC->lastcmdname, cmdbuf, sizeof(CC->lastcmdname));
1038 time(&CC->lastidle);
1041 CtdlThreadName(cmdbuf);
1043 if ((strncasecmp(cmdbuf, "ENT0", 4))
1044 && (strncasecmp(cmdbuf, "MESG", 4))
1045 && (strncasecmp(cmdbuf, "MSGS", 4)))
1047 CC->cs_flags &= ~CS_POSTING;
1050 if (!strncasecmp(cmdbuf, "NOOP", 4)) {
1051 cprintf("%d%cok\n", CIT_OK, CtdlCheckExpress() );
1054 else if (!strncasecmp(cmdbuf, "QNOP", 4)) {
1055 /* do nothing, this command returns no response */
1058 else if (!strncasecmp(cmdbuf,"QUIT",4)) {
1059 cprintf("%d Goodbye.\n", CIT_OK);
1063 else if (!strncasecmp(cmdbuf,"ASYN",4)) {
1064 cmd_asyn(&cmdbuf[5]);
1067 else if (!strncasecmp(cmdbuf,"LOUT",4)) {
1068 if (CC->logged_in) logout(CC);
1069 cprintf("%d logged out.\n", CIT_OK);
1072 else if (!strncasecmp(cmdbuf,"USER",4)) {
1073 cmd_user(&cmdbuf[5]);
1076 else if (!strncasecmp(cmdbuf,"PASS",4)) {
1077 cmd_pass(&cmdbuf[5]);
1080 else if (!strncasecmp(cmdbuf,"NEWU",4)) {
1081 cmd_newu(&cmdbuf[5]);
1084 else if (!strncasecmp(cmdbuf,"CREU",4)) {
1085 cmd_creu(&cmdbuf[5]);
1088 else if (!strncasecmp(cmdbuf,"SETP",4)) {
1089 cmd_setp(&cmdbuf[5]);
1092 else if (!strncasecmp(cmdbuf,"LRMS",4)) {
1093 cmd_lrms(&cmdbuf[5]);
1096 else if (!strncasecmp(cmdbuf,"LKRA",4)) {
1097 cmd_lkra(&cmdbuf[5]);
1100 else if (!strncasecmp(cmdbuf,"LKRN",4)) {
1101 cmd_lkrn(&cmdbuf[5]);
1104 else if (!strncasecmp(cmdbuf,"LKRO",4)) {
1105 cmd_lkro(&cmdbuf[5]);
1108 else if (!strncasecmp(cmdbuf,"LZRM",4)) {
1109 cmd_lzrm(&cmdbuf[5]);
1112 else if (!strncasecmp(cmdbuf,"LPRM",4)) {
1113 cmd_lprm(&cmdbuf[5]);
1116 else if (!strncasecmp(cmdbuf,"GETU",4)) {
1120 else if (!strncasecmp(cmdbuf,"SETU",4)) {
1121 cmd_setu(&cmdbuf[5]);
1124 else if (!strncasecmp(cmdbuf,"GOTO",4)) {
1125 cmd_goto(&cmdbuf[5]);
1128 else if (!strncasecmp(cmdbuf,"MSGS",4)) {
1129 cmd_msgs(&cmdbuf[5]);
1132 else if (!strncasecmp(cmdbuf,"WHOK",4)) {
1136 else if (!strncasecmp(cmdbuf,"RDIR",4)) {
1140 else if (!strncasecmp(cmdbuf,"EUID",4)) {
1141 cmd_euid(&cmdbuf[5]);
1144 else if (!strncasecmp(cmdbuf,"MSG0",4)) {
1145 cmd_msg0(&cmdbuf[5]);
1148 else if (!strncasecmp(cmdbuf,"MSG2",4)) {
1149 cmd_msg2(&cmdbuf[5]);
1152 else if (!strncasecmp(cmdbuf,"MSG3",4)) {
1153 cmd_msg3(&cmdbuf[5]);
1156 else if (!strncasecmp(cmdbuf,"MSG4",4)) {
1157 cmd_msg4(&cmdbuf[5]);
1160 else if (!strncasecmp(cmdbuf,"MSGP",4)) {
1161 cmd_msgp(&cmdbuf[5]);
1164 else if (!strncasecmp(cmdbuf,"OPNA",4)) {
1165 cmd_opna(&cmdbuf[5]);
1168 else if (!strncasecmp(cmdbuf,"DLAT",4)) {
1169 cmd_dlat(&cmdbuf[5]);
1172 else if (!strncasecmp(cmdbuf,"INFO",4)) {
1176 else if (!strncasecmp(cmdbuf,"SLRP",4)) {
1177 cmd_slrp(&cmdbuf[5]);
1180 else if (!strncasecmp(cmdbuf,"INVT",4)) {
1181 cmd_invt_kick(&cmdbuf[5],1);
1184 else if (!strncasecmp(cmdbuf,"KICK",4)) {
1185 cmd_invt_kick(&cmdbuf[5],0);
1188 else if (!strncasecmp(cmdbuf,"GETR",4)) {
1192 else if (!strncasecmp(cmdbuf,"SETR",4)) {
1193 cmd_setr(&cmdbuf[5]);
1196 else if (!strncasecmp(cmdbuf,"GETA",4)) {
1200 else if (!strncasecmp(cmdbuf,"SETA",4)) {
1201 cmd_seta(&cmdbuf[5]);
1204 else if (!strncasecmp(cmdbuf,"ENT0",4)) {
1205 cmd_ent0(&cmdbuf[5]);
1208 else if (!strncasecmp(cmdbuf,"RINF",4)) {
1212 else if (!strncasecmp(cmdbuf,"DELE",4)) {
1213 cmd_dele(&cmdbuf[5]);
1216 else if (!strncasecmp(cmdbuf,"KILL",4)) {
1217 cmd_kill(&cmdbuf[5]);
1220 else if (!strncasecmp(cmdbuf,"CRE8",4)) {
1221 cmd_cre8(&cmdbuf[5]);
1224 else if (!strncasecmp(cmdbuf,"MOVE",4)) {
1225 cmd_move(&cmdbuf[5]);
1228 else if (!strncasecmp(cmdbuf,"FORG",4)) {
1232 else if (!strncasecmp(cmdbuf,"MESG",4)) {
1233 cmd_mesg(&cmdbuf[5]);
1236 else if (!strncasecmp(cmdbuf,"EMSG",4)) {
1237 cmd_emsg(&cmdbuf[5]);
1240 else if (!strncasecmp(cmdbuf,"GNUR",4)) {
1244 else if (!strncasecmp(cmdbuf,"VALI",4)) {
1245 cmd_vali(&cmdbuf[5]);
1248 else if (!strncasecmp(cmdbuf,"EINF",4)) {
1249 cmd_einf(&cmdbuf[5]);
1252 else if (!strncasecmp(cmdbuf,"LIST",4)) {
1253 cmd_list(&cmdbuf[5]);
1256 else if (!strncasecmp(cmdbuf,"CHEK",4)) {
1260 else if (!strncasecmp(cmdbuf,"DELF",4)) {
1261 cmd_delf(&cmdbuf[5]);
1264 else if (!strncasecmp(cmdbuf,"MOVF",4)) {
1265 cmd_movf(&cmdbuf[5]);
1268 else if (!strncasecmp(cmdbuf,"NETF",4)) {
1269 cmd_netf(&cmdbuf[5]);
1272 else if (!strncasecmp(cmdbuf,"OPEN",4)) {
1273 cmd_open(&cmdbuf[5]);
1276 else if (!strncasecmp(cmdbuf,"CLOS",4)) {
1280 else if (!strncasecmp(cmdbuf,"UOPN",4)) {
1281 cmd_uopn(&cmdbuf[5]);
1284 else if (!strncasecmp(cmdbuf,"UCLS",4)) {
1285 cmd_ucls(&cmdbuf[5]);
1288 else if (!strncasecmp(cmdbuf,"READ",4)) {
1289 cmd_read(&cmdbuf[5]);
1292 else if (!strncasecmp(cmdbuf,"WRIT",4)) {
1293 cmd_writ(&cmdbuf[5]);
1296 else if (!strncasecmp(cmdbuf,"QUSR",4)) {
1297 cmd_qusr(&cmdbuf[5]);
1300 else if (!strncasecmp(cmdbuf,"ECHO",4)) {
1301 cmd_echo(&cmdbuf[5]);
1304 else if (!strncasecmp(cmdbuf,"OIMG",4)) {
1305 cmd_oimg(&cmdbuf[5]);
1308 else if (!strncasecmp(cmdbuf,"MORE",4)) {
1312 else if (!strncasecmp(cmdbuf,"NDOP",4)) {
1313 cmd_ndop(&cmdbuf[5]);
1316 else if (!strncasecmp(cmdbuf,"NUOP",4)) {
1317 cmd_nuop(&cmdbuf[5]);
1320 else if (!strncasecmp(cmdbuf,"LFLR",4)) {
1324 else if (!strncasecmp(cmdbuf,"CFLR",4)) {
1325 cmd_cflr(&cmdbuf[5]);
1328 else if (!strncasecmp(cmdbuf,"KFLR",4)) {
1329 cmd_kflr(&cmdbuf[5]);
1332 else if (!strncasecmp(cmdbuf,"EFLR",4)) {
1333 cmd_eflr(&cmdbuf[5]);
1336 else if (!strncasecmp(cmdbuf,"IDEN",4)) {
1337 cmd_iden(&cmdbuf[5]);
1340 else if (!strncasecmp(cmdbuf,"IPGM",4)) {
1341 cmd_ipgm(&cmdbuf[5]);
1344 else if (!strncasecmp(cmdbuf,"TERM",4)) {
1345 cmd_term(&cmdbuf[5]);
1348 else if (!strncasecmp(cmdbuf,"DOWN",4)) {
1349 cmd_down(&cmdbuf[5]);
1352 else if (!strncasecmp(cmdbuf,"HALT",4)) {
1356 else if (!strncasecmp(cmdbuf,"SCDN",4)) {
1357 cmd_scdn(&cmdbuf[5]);
1360 else if (!strncasecmp(cmdbuf, "UIMG", 4)) {
1361 cmd_uimg(&cmdbuf[5]);
1364 else if (!strncasecmp(cmdbuf, "TIME", 4)) {
1368 else if (!strncasecmp(cmdbuf, "AGUP", 4)) {
1369 cmd_agup(&cmdbuf[5]);
1372 else if (!strncasecmp(cmdbuf, "ASUP", 4)) {
1373 cmd_asup(&cmdbuf[5]);
1376 else if (!strncasecmp(cmdbuf, "GPEX", 4)) {
1377 cmd_gpex(&cmdbuf[5]);
1380 else if (!strncasecmp(cmdbuf, "SPEX", 4)) {
1381 cmd_spex(&cmdbuf[5]);
1384 else if (!strncasecmp(cmdbuf, "CONF", 4)) {
1385 cmd_conf(&cmdbuf[5]);
1388 else if (!strncasecmp(cmdbuf, "SEEN", 4)) {
1389 cmd_seen(&cmdbuf[5]);
1392 else if (!strncasecmp(cmdbuf, "GTSN", 4)) {
1393 cmd_gtsn(&cmdbuf[5]);
1396 else if (!strncasecmp(cmdbuf, "VIEW", 4)) {
1397 cmd_view(&cmdbuf[5]);
1400 else if (!strncasecmp(cmdbuf, "ISME", 4)) {
1401 cmd_isme(&cmdbuf[5]);
1404 else if (!DLoader_Exec_Cmd(cmdbuf)) {
1405 cprintf("%d Unrecognized or unsupported command.\n",
1406 ERROR + CMD_NOT_SUPPORTED);
1411 /* Run any after-each-command routines registered by modules */
1412 PerformSessionHooks(EVT_CMD);
1413 CtdlThreadName(old_name);
1418 * This loop performs all asynchronous functions.
1420 void do_async_loop(void) {
1421 PerformSessionHooks(EVT_ASYNC);