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;
73 time_t server_startup_time;
77 * \brief print the actual stack frame.
79 void cit_backtrace(void)
82 void *stack_frames[50];
87 size = backtrace(stack_frames, sizeof(stack_frames) / sizeof(void*));
88 strings = backtrace_symbols(stack_frames, size);
89 for (i = 0; i < size; i++) {
91 lprintf(1, "%s\n", strings[i]);
93 lprintf(1, "%p\n", stack_frames[i]);
100 * \brief print the actual stack frame.
102 void cit_panic_backtrace(int SigNum)
104 #ifdef HAVE_BACKTRACE
105 void *stack_frames[10];
109 printf("caught signal 11\n");
110 size = backtrace(stack_frames, sizeof(stack_frames) / sizeof(void*));
111 strings = backtrace_symbols(stack_frames, size);
112 for (i = 0; i < size; i++) {
114 lprintf(1, "%s\n", strings[i]);
116 lprintf(1, "%p\n", stack_frames[i]);
124 * Various things that need to be initialized at startup
126 void master_startup(void) {
130 struct ctdlroom qrbuf;
132 lprintf(CTDL_DEBUG, "master_startup() started\n");
133 time(&server_startup_time);
135 lprintf(CTDL_INFO, "Opening databases\n");
138 ctdl_thread_internal_init_tsd();
140 CtdlThreadAllocTSD();
144 lprintf(CTDL_INFO, "Creating base rooms (if necessary)\n");
145 create_room(config.c_baseroom, 0, "", 0, 1, 0, VIEW_BBS);
146 create_room(AIDEROOM, 3, "", 0, 1, 0, VIEW_BBS);
147 create_room(SYSCONFIGROOM, 3, "", 0, 1, 0, VIEW_BBS);
148 create_room(config.c_twitroom, 0, "", 0, 1, 0, VIEW_BBS);
150 /* The "Local System Configuration" room doesn't need to be visible */
151 if (lgetroom(&qrbuf, SYSCONFIGROOM) == 0) {
152 qrbuf.QRflags2 |= QR2_SYSTEM;
156 /* Aide needs to be public postable, else we're not RFC conformant. */
157 if (lgetroom(&qrbuf, AIDEROOM) == 0) {
158 qrbuf.QRflags2 |= QR2_SMTP_PUBLIC;
162 lprintf(CTDL_INFO, "Seeding the pseudo-random number generator...\n");
163 urandom = fopen("/dev/urandom", "r");
164 if (urandom != NULL) {
165 fread(&seed, sizeof seed, 1, urandom);
169 gettimeofday(&tv, NULL);
174 lprintf(CTDL_INFO, "Initializing ipgm secret\n");
176 config.c_ipgm_secret = rand();
179 lprintf(CTDL_DEBUG, "master_startup() finished\n");
184 * Cleanup routine to be called when the server is shutting down.
186 void master_cleanup(int exitcode) {
187 struct CleanupFunctionHook *fcn;
188 static int already_cleaning_up = 0;
190 if (already_cleaning_up) while(1) sleep(1);
191 already_cleaning_up = 1;
193 /* Run any cleanup routines registered by loadable modules */
194 for (fcn = CleanupHookTable; fcn != NULL; fcn = fcn->next) {
195 (*fcn->h_function_pointer)();
198 /* Close the AdjRefCount queue file */
201 /* Do system-dependent stuff */
202 sysdep_master_cleanup();
204 /* Close databases */
205 lprintf(CTDL_INFO, "Closing databases\n");
208 #ifdef DEBUG_MEMORY_LEAKS
212 /* If the operator requested a halt but not an exit, halt here. */
213 if (shutdown_and_halt) {
214 lprintf(CTDL_NOTICE, "citserver: Halting server without exiting.\n");
215 fflush(stdout); fflush(stderr);
224 lprintf(CTDL_NOTICE, "citserver: Exiting with status %d\n", exitcode);
225 fflush(stdout); fflush(stderr);
227 if (restart_server != 0)
235 * Terminate a session.
237 void RemoveContext (struct CitContext *con)
241 "WARNING: RemoveContext() called with NULL!\n");
244 lprintf(CTDL_DEBUG, "RemoveContext() session %d\n", con->cs_pid);
246 /* Run any cleanup routines registered by loadable modules.
247 * Note: We have to "become_session()" because the cleanup functions
248 * might make references to "CC" assuming it's the right one.
251 PerformSessionHooks(EVT_STOP);
252 become_session(NULL);
254 /* Now handle all of the administrivia. */
255 lprintf(CTDL_DEBUG, "Calling logout(%d)\n", con->cs_pid);
258 lprintf(CTDL_NOTICE, "[%3d] Session ended.\n", con->cs_pid);
260 /* If the client is still connected, blow 'em away. */
261 lprintf(CTDL_DEBUG, "Closing socket %d\n", con->client_socket);
262 close(con->client_socket);
264 lprintf(CTDL_DEBUG, "Done with RemoveContext()\n");
272 * cmd_info() - tell the client about this server
274 void cmd_info(void) {
275 cprintf("%d Server info:\n", LISTING_FOLLOWS);
276 cprintf("%d\n", CC->cs_pid);
277 cprintf("%s\n", config.c_nodename);
278 cprintf("%s\n", config.c_humannode);
279 cprintf("%s\n", config.c_fqdn);
280 cprintf("%s\n", CITADEL);
281 cprintf("%d\n", REV_LEVEL);
282 cprintf("%s\n", config.c_site_location);
283 cprintf("%s\n", config.c_sysadm);
284 cprintf("%d\n", SERVER_TYPE);
285 cprintf("%s\n", config.c_moreprompt);
286 cprintf("1\n"); /* 1 = yes, this system supports floors */
287 cprintf("1\n"); /* 1 = we support the extended paging options */
288 cprintf("%s\n", CC->cs_nonce);
289 cprintf("1\n"); /* 1 = yes, this system supports the QNOP command */
292 cprintf("1\n"); /* 1 = yes, this server is LDAP-enabled */
294 cprintf("0\n"); /* 1 = no, this server is not LDAP-enabled */
297 if (config.c_auth_mode == AUTHMODE_NATIVE) {
298 cprintf("%d\n", config.c_disable_newu);
301 cprintf("1\n"); /* "create new user" does not work with non-native auth modes */
304 cprintf("%s\n", config.c_default_cal_zone);
306 /* Output load averages */
307 cprintf("%f\n", CtdlThreadLoadAvg);
308 cprintf("%f\n", CtdlThreadWorkerAvg);
309 cprintf("%d\n", CtdlThreadGetCount());
311 /* Does this server support Sieve mail filtering? */
313 cprintf("1\n"); /* yes */
315 cprintf("0\n"); /* no */
318 cprintf("%d\n", config.c_enable_fulltext);
325 * returns an asterisk if there are any instant messages waiting,
328 char CtdlCheckExpress(void) {
329 if (CC->FirstExpressMessage == NULL) {
343 localtime_r(&tv, &tmp);
345 /* timezone and daylight global variables are not portable. */
346 #ifdef HAVE_STRUCT_TM_TM_GMTOFF
347 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, tmp.tm_gmtoff, tmp.tm_isdst);
349 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, timezone, tmp.tm_isdst);
355 * Check originating host against the public_clients file. This determines
356 * whether the client is allowed to change the hostname for this session
357 * (for example, to show the location of the user rather than the location
360 int is_public_client(void)
366 char *public_clientspos;
367 char *public_clientsend;
370 static time_t pc_timestamp = 0;
371 static char public_clients[SIZ];
372 static char public_clients_file[SIZ];
374 #define LOCALHOSTSTR "127.0.0.1"
376 snprintf(public_clients_file,
377 sizeof public_clients_file,
382 * Check the time stamp on the public_clients file. If it's been
383 * updated since the last time we were here (or if this is the first
384 * time we've been through the loop), read its contents and learn
385 * the IP addresses of the listed hosts.
387 if (stat(public_clients_file, &statbuf) != 0) {
388 /* No public_clients file exists, so bail out */
389 lprintf(CTDL_WARNING, "Warning: '%s' does not exist\n",
390 public_clients_file);
394 if (statbuf.st_mtime > pc_timestamp) {
395 begin_critical_section(S_PUBLIC_CLIENTS);
396 lprintf(CTDL_INFO, "Loading %s\n", public_clients_file);
398 public_clientspos = &public_clients[0];
399 public_clientsend = public_clientspos + SIZ;
400 safestrncpy(public_clientspos, LOCALHOSTSTR, sizeof public_clients);
401 public_clientspos += sizeof(LOCALHOSTSTR) - 1;
403 if (hostname_to_dotted_quad(addrbuf, config.c_fqdn) == 0) {
404 *(public_clientspos++) = '|';
406 while (!IsEmptyStr (paddr) &&
407 (public_clientspos < public_clientsend))
408 *(public_clientspos++) = *(paddr++);
411 fp = fopen(public_clients_file, "r");
413 while ((fgets(buf, sizeof buf, fp)!=NULL) &&
414 (public_clientspos < public_clientsend)){
417 while (!IsEmptyStr(ptr)) {
425 while (ptr>buf && isspace(*ptr)) {
428 if (hostname_to_dotted_quad(addrbuf, buf) == 0) {
429 *(public_clientspos++) = '|';
431 while (!IsEmptyStr(paddr) &&
432 (public_clientspos < public_clientsend)){
433 *(public_clientspos++) = *(paddr++);
438 pc_timestamp = time(NULL);
439 end_critical_section(S_PUBLIC_CLIENTS);
442 lprintf(CTDL_DEBUG, "Checking whether %s is a local or public client\n",
444 for (i=0; i<num_parms(public_clients); ++i) {
445 extract_token(addrbuf, public_clients, i, '|', sizeof addrbuf);
446 if (!strcasecmp(CC->cs_addr, addrbuf)) {
447 lprintf(CTDL_DEBUG, "... yes it is.\n");
452 /* No hits. This is not a public client. */
453 lprintf(CTDL_DEBUG, "... no it isn't.\n");
459 * the client is identifying itself to the server
461 void cmd_iden(char *argbuf)
471 if (num_parms(argbuf)<4) {
472 cprintf("%d usage error\n", ERROR + ILLEGAL_VALUE);
476 dev_code = extract_int(argbuf,0);
477 cli_code = extract_int(argbuf,1);
478 rev_level = extract_int(argbuf,2);
479 extract_token(desc, argbuf, 3, '|', sizeof desc);
481 safestrncpy(from_host, config.c_fqdn, sizeof from_host);
482 from_host[sizeof from_host - 1] = 0;
483 if (num_parms(argbuf)>=5) extract_token(from_host, argbuf, 4, '|', sizeof from_host);
485 CC->cs_clientdev = dev_code;
486 CC->cs_clienttyp = cli_code;
487 CC->cs_clientver = rev_level;
488 safestrncpy(CC->cs_clientname, desc, sizeof CC->cs_clientname);
489 CC->cs_clientname[31] = 0;
491 if (!IsEmptyStr(from_host)) {
492 if (CC->is_local_socket) do_lookup = 1;
493 else if (is_public_client()) do_lookup = 1;
497 lprintf(CTDL_DEBUG, "Looking up hostname '%s'\n", from_host);
498 if ((addr.s_addr = inet_addr(from_host)) != -1) {
499 locate_host(CC->cs_host, sizeof CC->cs_host,
500 CC->cs_addr, sizeof CC->cs_addr,
504 safestrncpy(CC->cs_host, from_host, sizeof CC->cs_host);
505 CC->cs_host[sizeof CC->cs_host - 1] = 0;
509 lprintf(CTDL_NOTICE, "Client %d/%d/%01d.%02d (%s) from %s\n",
516 cprintf("%d Ok\n",CIT_OK);
521 * display system messages or help
523 void cmd_mesg(char *mname)
533 extract_token(buf, mname, 0, '|', sizeof buf);
535 dirs[0] = strdup(ctdl_message_dir);
536 dirs[1] = strdup(ctdl_hlp_dir);
538 snprintf(buf2, sizeof buf2, "%s.%d.%d",
539 buf, CC->cs_clientdev, CC->cs_clienttyp);
541 /* If the client requested "?" then produce a listing */
542 if (!strcmp(buf, "?")) {
543 cprintf("%d %s\n", LISTING_FOLLOWS, buf);
544 dp = opendir(dirs[1]);
546 while (d = readdir(dp), d != NULL) {
547 if (d->d_name[0] != '.') {
548 cprintf(" %s\n", d->d_name);
559 /* Otherwise, look for the requested file by name. */
561 mesg_locate(targ, sizeof targ, buf2, 2, (const char **)dirs);
562 if (IsEmptyStr(targ)) {
563 snprintf(buf2, sizeof buf2, "%s.%d",
564 buf, CC->cs_clientdev);
565 mesg_locate(targ, sizeof targ, buf2, 2,
566 (const char **)dirs);
567 if (IsEmptyStr(targ)) {
568 mesg_locate(targ, sizeof targ, buf, 2,
569 (const char **)dirs);
577 if (IsEmptyStr(targ)) {
578 cprintf("%d '%s' not found. (Searching in %s and %s)\n",
579 ERROR + FILE_NOT_FOUND,
587 mfp = fopen(targ, "r");
589 cprintf("%d Cannot open '%s': %s\n",
590 ERROR + INTERNAL_ERROR, targ, strerror(errno));
593 cprintf("%d %s\n", LISTING_FOLLOWS,buf);
595 while (fgets(buf, (sizeof buf - 1), mfp) != NULL) {
596 buf[strlen(buf)-1] = 0;
607 * enter system messages or help
609 void cmd_emsg(char *mname)
619 if (CtdlAccessCheck(ac_aide)) return;
621 extract_token(buf, mname, 0, '|', sizeof buf);
622 for (a=0; !IsEmptyStr(&buf[a]); ++a) { /* security measure */
623 if (buf[a] == '/') buf[a] = '.';
626 dirs[0] = strdup(ctdl_message_dir);
627 dirs[1] = strdup(ctdl_hlp_dir);
629 mesg_locate(targ, sizeof targ, buf, 2, (const char**)dirs);
633 if (IsEmptyStr(targ)) {
634 snprintf(targ, sizeof targ,
639 mfp = fopen(targ,"w");
641 cprintf("%d Cannot open '%s': %s\n",
642 ERROR + INTERNAL_ERROR, targ, strerror(errno));
645 cprintf("%d %s\n", SEND_LISTING, targ);
647 while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
648 fprintf(mfp, "%s\n", buf);
655 /* Don't show the names of private rooms unless the viewing
656 * user also knows the rooms.
658 void GenerateRoomDisplay(char *real_room,
659 struct CitContext *viewed,
660 struct CitContext *viewer) {
664 strcpy(real_room, viewed->room.QRname);
665 if (viewed->room.QRflags & QR_MAILBOX) {
666 strcpy(real_room, &real_room[11]);
668 if (viewed->room.QRflags & QR_PRIVATE) {
669 CtdlRoomAccess(&viewed->room, &viewer->user, &ra, NULL);
670 if ( (ra & UA_KNOWN) == 0) {
671 strcpy(real_room, "<private room>");
675 if (viewed->cs_flags & CS_CHAT) {
676 while (strlen(real_room) < 14) {
677 strcat(real_room, " ");
679 strcpy(&real_room[14], "<chat>");
685 * Convenience function.
687 int CtdlAccessCheck(int required_level) {
689 if (CC->internal_pgm) return(0);
690 if (required_level >= ac_internal) {
691 cprintf("%d This is not a user-level command.\n",
692 ERROR + HIGHER_ACCESS_REQUIRED);
696 if ((required_level >= ac_logged_in) && (CC->logged_in == 0)) {
697 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
701 if (CC->user.axlevel >= 6) return(0);
702 if (required_level >= ac_aide) {
703 cprintf("%d This command requires Aide access.\n",
704 ERROR + HIGHER_ACCESS_REQUIRED);
708 if (is_room_aide()) return(0);
709 if (required_level >= ac_room_aide) {
710 cprintf("%d This command requires Aide or Room Aide access.\n",
711 ERROR + HIGHER_ACCESS_REQUIRED);
715 /* shhh ... succeed quietly */
722 * Terminate another running session
724 void cmd_term(char *cmdbuf)
727 struct CitContext *ccptr;
731 session_num = extract_int(cmdbuf, 0);
732 if (session_num == CC->cs_pid) {
733 cprintf("%d You can't kill your own session.\n", ERROR + ILLEGAL_VALUE);
737 lprintf(CTDL_DEBUG, "Locating session to kill\n");
738 begin_critical_section(S_SESSION_TABLE);
739 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
740 if (session_num == ccptr->cs_pid) {
742 if ((ccptr->user.usernum == CC->user.usernum)
743 || (CC->user.axlevel >= 6)) {
752 end_critical_section(S_SESSION_TABLE);
756 cprintf("%d Session terminated.\n", CIT_OK);
759 cprintf("%d You are not allowed to do that.\n",
760 ERROR + HIGHER_ACCESS_REQUIRED);
764 cprintf("%d No such session.\n", ERROR + ILLEGAL_VALUE);
773 * get the paginator prompt
775 void cmd_more(void) {
776 cprintf("%d %s\n", CIT_OK, config.c_moreprompt);
782 void cmd_echo(char *etext)
784 cprintf("%d %s\n", CIT_OK, etext);
790 * identify as internal program
792 void cmd_ipgm(char *argbuf)
796 secret = extract_int(argbuf, 0);
798 /* For security reasons, we do NOT allow this command to run
799 * over the network. Local sockets only.
801 if (!CC->is_local_socket) {
803 cprintf("%d Authentication failed.\n",
804 ERROR + PASSWORD_REQUIRED);
806 else if (secret == config.c_ipgm_secret) {
807 CC->internal_pgm = 1;
808 strcpy(CC->curr_user, "<internal program>");
809 CC->cs_flags = CC->cs_flags|CS_STEALTH;
810 cprintf("%d Authenticated as an internal program.\n", CIT_OK);
814 cprintf("%d Authentication failed.\n",
815 ERROR + PASSWORD_REQUIRED);
816 lprintf(CTDL_ERR, "Warning: ipgm authentication failed.\n");
820 /* Now change the ipgm secret for the next round.
821 * (Disabled because it breaks concurrent scripts. The fact that
822 * we no longer accept IPGM over the network should be sufficient
823 * to prevent brute-force attacks. If you don't agree, uncomment
826 config.c_ipgm_secret = rand();
833 * Shut down the server
835 void cmd_down(char *argbuf) {
836 char *Reply ="%d Shutting down server. Goodbye.\n";
838 if (CtdlAccessCheck(ac_aide)) return;
840 if (!IsEmptyStr(argbuf))
843 restart_server = extract_int(argbuf, 0);
845 if (restart_server > 0)
846 Reply = "%d Restarting server. See you soon.\n";
847 if ((restart_server > 0) && !running_as_daemon)
849 lprintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
850 Reply = "%d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
853 cprintf(Reply, state);
857 cprintf(Reply, CIT_OK + SERVER_SHUTTING_DOWN);
863 * Halt the server without exiting the server process.
865 void cmd_halt(void) {
867 if (CtdlAccessCheck(ac_aide)) return;
869 cprintf("%d Halting server. Goodbye.\n", CIT_OK);
871 shutdown_and_halt = 1;
875 * Schedule or cancel a server shutdown
877 void cmd_scdn(char *argbuf)
881 char *Reply = "%d %d\n";
883 if (CtdlAccessCheck(ac_aide)) return;
885 new_state = extract_int(argbuf, 0);
886 if ((new_state == 2) || (new_state == 3))
889 if (!running_as_daemon)
891 lprintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
892 Reply = "%d %d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
896 restart_server = extract_int(argbuf, 0);
899 if ((new_state == 0) || (new_state == 1)) {
900 ScheduledShutdown = new_state;
902 cprintf(Reply, state, ScheduledShutdown);
907 * Set or unset asynchronous protocol mode
909 void cmd_asyn(char *argbuf)
913 new_state = extract_int(argbuf, 0);
914 if ((new_state == 0) || (new_state == 1)) {
915 CC->is_async = new_state;
917 cprintf("%d %d\n", CIT_OK, CC->is_async);
922 * Generate a "nonce" for APOP-style authentication.
924 * RFC 1725 et al specify a PID to be placed in front of the nonce.
925 * Quoth BTX: That would be stupid.
927 void generate_nonce(struct CitContext *con) {
930 memset(con->cs_nonce, NONCE_SIZE, 0);
931 gettimeofday(&tv, NULL);
932 memset(con->cs_nonce, NONCE_SIZE, 0);
933 snprintf(con->cs_nonce, NONCE_SIZE, "<%d%ld@%s>",
934 rand(), (long)tv.tv_usec, config.c_fqdn);
941 * Back-end function for starting a session
943 void begin_session(struct CitContext *con)
946 struct sockaddr_in sin;
949 * Initialize some variables specific to our context.
952 con->internal_pgm = 0;
953 con->download_fp = NULL;
954 con->upload_fp = NULL;
955 con->FirstExpressMessage = NULL;
957 time(&con->lastidle);
958 strcpy(con->lastcmdname, " ");
959 strcpy(con->cs_clientname, "(unknown)");
960 strcpy(con->curr_user, NLI);
961 *con->net_node = '\0';
962 *con->fake_username = '\0';
963 *con->fake_hostname = '\0';
964 *con->fake_roomname = '\0';
966 safestrncpy(con->cs_host, config.c_fqdn, sizeof con->cs_host);
967 safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
968 con->cs_host[sizeof con->cs_host - 1] = 0;
970 if (!CC->is_local_socket) {
971 if (!getpeername(con->client_socket, (struct sockaddr *) &sin, &len)) {
972 locate_host(con->cs_host, sizeof con->cs_host,
973 con->cs_addr, sizeof con->cs_addr,
979 strcpy(con->cs_host, "");
982 con->upload_type = UPL_FILE;
986 if ((config.c_maxsessions > 0)&&(num_sessions > config.c_maxsessions)) {
990 if (!CC->is_local_socket) {
991 lprintf(CTDL_NOTICE, "Session started from %s [%s].\n", con->cs_host, con->cs_addr);
994 lprintf(CTDL_NOTICE, "Session started via local socket.\n");
997 /* Run any session startup routines registered by loadable modules */
998 PerformSessionHooks(EVT_START);
1002 void citproto_begin_session() {
1003 if (CC->nologin==1) {
1004 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
1005 ERROR + MAX_SESSIONS_EXCEEDED,
1006 config.c_nodename, config.c_maxsessions
1011 cprintf("%d %s Citadel server ready.\n",
1012 CIT_OK, config.c_nodename);
1020 * This loop recognizes all server commands.
1022 void do_command_loop(void) {
1024 const char *old_name = NULL;
1026 old_name = CtdlThreadName("do_command_loop");
1029 memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1030 if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1031 lprintf(CTDL_ERR, "Client disconnected: ending session.\n");
1033 CtdlThreadName(old_name);
1037 /* Log the server command, but don't show passwords... */
1038 if ( (strncasecmp(cmdbuf, "PASS", 4))
1039 && (strncasecmp(cmdbuf, "SETP", 4)) ) {
1040 lprintf(CTDL_INFO, "%s\n", cmdbuf);
1043 lprintf(CTDL_INFO, "<password command sent>\n");
1049 * Let other clients see the last command we executed, and
1050 * update the idle time, but not NOOP, QNOP, PEXP, GEXP, RWHO, or TIME.
1052 if ( (strncasecmp(cmdbuf, "NOOP", 4))
1053 && (strncasecmp(cmdbuf, "QNOP", 4))
1054 && (strncasecmp(cmdbuf, "PEXP", 4))
1055 && (strncasecmp(cmdbuf, "GEXP", 4))
1056 && (strncasecmp(cmdbuf, "RWHO", 4))
1057 && (strncasecmp(cmdbuf, "TIME", 4)) ) {
1058 strcpy(CC->lastcmdname, " ");
1059 safestrncpy(CC->lastcmdname, cmdbuf, sizeof(CC->lastcmdname));
1060 time(&CC->lastidle);
1063 CtdlThreadName(cmdbuf);
1065 if ((strncasecmp(cmdbuf, "ENT0", 4))
1066 && (strncasecmp(cmdbuf, "MESG", 4))
1067 && (strncasecmp(cmdbuf, "MSGS", 4)))
1069 CC->cs_flags &= ~CS_POSTING;
1072 if (!strncasecmp(cmdbuf, "NOOP", 4)) {
1073 cprintf("%d%cok\n", CIT_OK, CtdlCheckExpress() );
1076 else if (!strncasecmp(cmdbuf, "XYZZY", 5)) {
1077 cprintf("%d Nothing happens.\n", CIT_OK);
1080 else if (!strncasecmp(cmdbuf, "QNOP", 4)) {
1081 /* do nothing, this command returns no response */
1084 else if (!strncasecmp(cmdbuf,"QUIT",4)) {
1085 cprintf("%d Goodbye.\n", CIT_OK);
1089 else if (!strncasecmp(cmdbuf,"ASYN",4)) {
1090 cmd_asyn(&cmdbuf[5]);
1093 else if (!strncasecmp(cmdbuf,"LOUT",4)) {
1094 if (CC->logged_in) logout(CC);
1095 cprintf("%d logged out.\n", CIT_OK);
1098 else if (!strncasecmp(cmdbuf,"USER",4)) {
1099 cmd_user(&cmdbuf[5]);
1102 else if (!strncasecmp(cmdbuf,"PASS",4)) {
1103 cmd_pass(&cmdbuf[5]);
1106 else if (!strncasecmp(cmdbuf,"NEWU",4)) {
1107 cmd_newu(&cmdbuf[5]);
1110 else if (!strncasecmp(cmdbuf,"CREU",4)) {
1111 cmd_creu(&cmdbuf[5]);
1114 else if (!strncasecmp(cmdbuf,"SETP",4)) {
1115 cmd_setp(&cmdbuf[5]);
1118 else if (!strncasecmp(cmdbuf,"LRMS",4)) {
1119 cmd_lrms(&cmdbuf[5]);
1122 else if (!strncasecmp(cmdbuf,"LKRA",4)) {
1123 cmd_lkra(&cmdbuf[5]);
1126 else if (!strncasecmp(cmdbuf,"LKRN",4)) {
1127 cmd_lkrn(&cmdbuf[5]);
1130 else if (!strncasecmp(cmdbuf,"LKRO",4)) {
1131 cmd_lkro(&cmdbuf[5]);
1134 else if (!strncasecmp(cmdbuf,"LZRM",4)) {
1135 cmd_lzrm(&cmdbuf[5]);
1138 else if (!strncasecmp(cmdbuf,"LPRM",4)) {
1139 cmd_lprm(&cmdbuf[5]);
1142 else if (!strncasecmp(cmdbuf,"GETU",4)) {
1146 else if (!strncasecmp(cmdbuf,"SETU",4)) {
1147 cmd_setu(&cmdbuf[5]);
1150 else if (!strncasecmp(cmdbuf,"GOTO",4)) {
1151 cmd_goto(&cmdbuf[5]);
1154 else if (!strncasecmp(cmdbuf,"MSGS",4)) {
1155 cmd_msgs(&cmdbuf[5]);
1158 else if (!strncasecmp(cmdbuf,"WHOK",4)) {
1162 else if (!strncasecmp(cmdbuf,"RDIR",4)) {
1166 else if (!strncasecmp(cmdbuf,"EUID",4)) {
1167 cmd_euid(&cmdbuf[5]);
1170 else if (!strncasecmp(cmdbuf,"MSG0",4)) {
1171 cmd_msg0(&cmdbuf[5]);
1174 else if (!strncasecmp(cmdbuf,"MSG2",4)) {
1175 cmd_msg2(&cmdbuf[5]);
1178 else if (!strncasecmp(cmdbuf,"MSG3",4)) {
1179 cmd_msg3(&cmdbuf[5]);
1182 else if (!strncasecmp(cmdbuf,"MSG4",4)) {
1183 cmd_msg4(&cmdbuf[5]);
1186 else if (!strncasecmp(cmdbuf,"MSGP",4)) {
1187 cmd_msgp(&cmdbuf[5]);
1190 else if (!strncasecmp(cmdbuf,"OPNA",4)) {
1191 cmd_opna(&cmdbuf[5]);
1194 else if (!strncasecmp(cmdbuf,"DLAT",4)) {
1195 cmd_dlat(&cmdbuf[5]);
1198 else if (!strncasecmp(cmdbuf,"INFO",4)) {
1202 else if (!strncasecmp(cmdbuf,"SLRP",4)) {
1203 cmd_slrp(&cmdbuf[5]);
1206 else if (!strncasecmp(cmdbuf,"INVT",4)) {
1207 cmd_invt_kick(&cmdbuf[5],1);
1210 else if (!strncasecmp(cmdbuf,"KICK",4)) {
1211 cmd_invt_kick(&cmdbuf[5],0);
1214 else if (!strncasecmp(cmdbuf,"GETR",4)) {
1218 else if (!strncasecmp(cmdbuf,"SETR",4)) {
1219 cmd_setr(&cmdbuf[5]);
1222 else if (!strncasecmp(cmdbuf,"GETA",4)) {
1226 else if (!strncasecmp(cmdbuf,"SETA",4)) {
1227 cmd_seta(&cmdbuf[5]);
1230 else if (!strncasecmp(cmdbuf,"ENT0",4)) {
1231 cmd_ent0(&cmdbuf[5]);
1234 else if (!strncasecmp(cmdbuf,"RINF",4)) {
1238 else if (!strncasecmp(cmdbuf,"DELE",4)) {
1239 cmd_dele(&cmdbuf[5]);
1242 else if (!strncasecmp(cmdbuf,"KILL",4)) {
1243 cmd_kill(&cmdbuf[5]);
1246 else if (!strncasecmp(cmdbuf,"CRE8",4)) {
1247 cmd_cre8(&cmdbuf[5]);
1250 else if (!strncasecmp(cmdbuf,"MOVE",4)) {
1251 cmd_move(&cmdbuf[5]);
1254 else if (!strncasecmp(cmdbuf,"FORG",4)) {
1258 else if (!strncasecmp(cmdbuf,"MESG",4)) {
1259 cmd_mesg(&cmdbuf[5]);
1262 else if (!strncasecmp(cmdbuf,"EMSG",4)) {
1263 cmd_emsg(&cmdbuf[5]);
1266 else if (!strncasecmp(cmdbuf,"GNUR",4)) {
1270 else if (!strncasecmp(cmdbuf,"VALI",4)) {
1271 cmd_vali(&cmdbuf[5]);
1274 else if (!strncasecmp(cmdbuf,"EINF",4)) {
1275 cmd_einf(&cmdbuf[5]);
1278 else if (!strncasecmp(cmdbuf,"LIST",4)) {
1279 cmd_list(&cmdbuf[5]);
1282 else if (!strncasecmp(cmdbuf,"CHEK",4)) {
1286 else if (!strncasecmp(cmdbuf,"DELF",4)) {
1287 cmd_delf(&cmdbuf[5]);
1290 else if (!strncasecmp(cmdbuf,"MOVF",4)) {
1291 cmd_movf(&cmdbuf[5]);
1294 else if (!strncasecmp(cmdbuf,"NETF",4)) {
1295 cmd_netf(&cmdbuf[5]);
1298 else if (!strncasecmp(cmdbuf,"OPEN",4)) {
1299 cmd_open(&cmdbuf[5]);
1302 else if (!strncasecmp(cmdbuf,"CLOS",4)) {
1306 else if (!strncasecmp(cmdbuf,"UOPN",4)) {
1307 cmd_uopn(&cmdbuf[5]);
1310 else if (!strncasecmp(cmdbuf,"UCLS",4)) {
1311 cmd_ucls(&cmdbuf[5]);
1314 else if (!strncasecmp(cmdbuf,"READ",4)) {
1315 cmd_read(&cmdbuf[5]);
1318 else if (!strncasecmp(cmdbuf,"WRIT",4)) {
1319 cmd_writ(&cmdbuf[5]);
1322 else if (!strncasecmp(cmdbuf,"QUSR",4)) {
1323 cmd_qusr(&cmdbuf[5]);
1326 else if (!strncasecmp(cmdbuf,"ECHO",4)) {
1327 cmd_echo(&cmdbuf[5]);
1330 else if (!strncasecmp(cmdbuf,"OIMG",4)) {
1331 cmd_oimg(&cmdbuf[5]);
1334 else if (!strncasecmp(cmdbuf,"MORE",4)) {
1338 else if (!strncasecmp(cmdbuf,"NDOP",4)) {
1339 cmd_ndop(&cmdbuf[5]);
1342 else if (!strncasecmp(cmdbuf,"NUOP",4)) {
1343 cmd_nuop(&cmdbuf[5]);
1346 else if (!strncasecmp(cmdbuf,"LFLR",4)) {
1350 else if (!strncasecmp(cmdbuf,"CFLR",4)) {
1351 cmd_cflr(&cmdbuf[5]);
1354 else if (!strncasecmp(cmdbuf,"KFLR",4)) {
1355 cmd_kflr(&cmdbuf[5]);
1358 else if (!strncasecmp(cmdbuf,"EFLR",4)) {
1359 cmd_eflr(&cmdbuf[5]);
1362 else if (!strncasecmp(cmdbuf,"IDEN",4)) {
1363 cmd_iden(&cmdbuf[5]);
1366 else if (!strncasecmp(cmdbuf,"IPGM",4)) {
1367 cmd_ipgm(&cmdbuf[5]);
1370 else if (!strncasecmp(cmdbuf,"TERM",4)) {
1371 cmd_term(&cmdbuf[5]);
1374 else if (!strncasecmp(cmdbuf,"DOWN",4)) {
1375 cmd_down(&cmdbuf[5]);
1378 else if (!strncasecmp(cmdbuf,"HALT",4)) {
1382 else if (!strncasecmp(cmdbuf,"SCDN",4)) {
1383 cmd_scdn(&cmdbuf[5]);
1386 else if (!strncasecmp(cmdbuf, "UIMG", 4)) {
1387 cmd_uimg(&cmdbuf[5]);
1390 else if (!strncasecmp(cmdbuf, "TIME", 4)) {
1394 else if (!strncasecmp(cmdbuf, "AGUP", 4)) {
1395 cmd_agup(&cmdbuf[5]);
1398 else if (!strncasecmp(cmdbuf, "ASUP", 4)) {
1399 cmd_asup(&cmdbuf[5]);
1402 else if (!strncasecmp(cmdbuf, "GPEX", 4)) {
1403 cmd_gpex(&cmdbuf[5]);
1406 else if (!strncasecmp(cmdbuf, "SPEX", 4)) {
1407 cmd_spex(&cmdbuf[5]);
1410 else if (!strncasecmp(cmdbuf, "CONF", 4)) {
1411 cmd_conf(&cmdbuf[5]);
1414 else if (!strncasecmp(cmdbuf, "SEEN", 4)) {
1415 cmd_seen(&cmdbuf[5]);
1418 else if (!strncasecmp(cmdbuf, "GTSN", 4)) {
1419 cmd_gtsn(&cmdbuf[5]);
1422 else if (!strncasecmp(cmdbuf, "VIEW", 4)) {
1423 cmd_view(&cmdbuf[5]);
1426 else if (!strncasecmp(cmdbuf, "ISME", 4)) {
1427 cmd_isme(&cmdbuf[5]);
1430 else if (!DLoader_Exec_Cmd(cmdbuf)) {
1431 cprintf("%d Unrecognized or unsupported command.\n", ERROR + CMD_NOT_SUPPORTED);
1436 /* Run any after-each-command routines registered by modules */
1437 PerformSessionHooks(EVT_CMD);
1438 CtdlThreadName(old_name);
1443 * This loop performs all asynchronous functions.
1445 void do_async_loop(void) {
1446 PerformSessionHooks(EVT_ASYNC);