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 cprintf("1\n"); /* yes, Sieve mail filtering is supported */
312 cprintf("%d\n", config.c_enable_fulltext);
319 * returns an asterisk if there are any instant messages waiting,
322 char CtdlCheckExpress(void) {
323 if (CC->FirstExpressMessage == NULL) {
337 localtime_r(&tv, &tmp);
339 /* timezone and daylight global variables are not portable. */
340 #ifdef HAVE_STRUCT_TM_TM_GMTOFF
341 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, tmp.tm_gmtoff, tmp.tm_isdst);
343 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, timezone, tmp.tm_isdst);
349 * Check originating host against the public_clients file. This determines
350 * whether the client is allowed to change the hostname for this session
351 * (for example, to show the location of the user rather than the location
354 int is_public_client(void)
360 char *public_clientspos;
361 char *public_clientsend;
364 static time_t pc_timestamp = 0;
365 static char public_clients[SIZ];
366 static char public_clients_file[SIZ];
368 #define LOCALHOSTSTR "127.0.0.1"
370 snprintf(public_clients_file,
371 sizeof public_clients_file,
376 * Check the time stamp on the public_clients file. If it's been
377 * updated since the last time we were here (or if this is the first
378 * time we've been through the loop), read its contents and learn
379 * the IP addresses of the listed hosts.
381 if (stat(public_clients_file, &statbuf) != 0) {
382 /* No public_clients file exists, so bail out */
383 lprintf(CTDL_WARNING, "Warning: '%s' does not exist\n",
384 public_clients_file);
388 if (statbuf.st_mtime > pc_timestamp) {
389 begin_critical_section(S_PUBLIC_CLIENTS);
390 lprintf(CTDL_INFO, "Loading %s\n", public_clients_file);
392 public_clientspos = &public_clients[0];
393 public_clientsend = public_clientspos + SIZ;
394 safestrncpy(public_clientspos, LOCALHOSTSTR, sizeof public_clients);
395 public_clientspos += sizeof(LOCALHOSTSTR) - 1;
397 if (hostname_to_dotted_quad(addrbuf, config.c_fqdn) == 0) {
398 *(public_clientspos++) = '|';
400 while (!IsEmptyStr (paddr) &&
401 (public_clientspos < public_clientsend))
402 *(public_clientspos++) = *(paddr++);
405 fp = fopen(public_clients_file, "r");
407 while ((fgets(buf, sizeof buf, fp)!=NULL) &&
408 (public_clientspos < public_clientsend)){
411 while (!IsEmptyStr(ptr)) {
419 while (ptr>buf && isspace(*ptr)) {
422 if (hostname_to_dotted_quad(addrbuf, buf) == 0) {
423 *(public_clientspos++) = '|';
425 while (!IsEmptyStr(paddr) &&
426 (public_clientspos < public_clientsend)){
427 *(public_clientspos++) = *(paddr++);
432 pc_timestamp = time(NULL);
433 end_critical_section(S_PUBLIC_CLIENTS);
436 lprintf(CTDL_DEBUG, "Checking whether %s is a local or public client\n",
438 for (i=0; i<num_parms(public_clients); ++i) {
439 extract_token(addrbuf, public_clients, i, '|', sizeof addrbuf);
440 if (!strcasecmp(CC->cs_addr, addrbuf)) {
441 lprintf(CTDL_DEBUG, "... yes it is.\n");
446 /* No hits. This is not a public client. */
447 lprintf(CTDL_DEBUG, "... no it isn't.\n");
453 * the client is identifying itself to the server
455 void cmd_iden(char *argbuf)
465 if (num_parms(argbuf)<4) {
466 cprintf("%d usage error\n", ERROR + ILLEGAL_VALUE);
470 dev_code = extract_int(argbuf,0);
471 cli_code = extract_int(argbuf,1);
472 rev_level = extract_int(argbuf,2);
473 extract_token(desc, argbuf, 3, '|', sizeof desc);
475 safestrncpy(from_host, config.c_fqdn, sizeof from_host);
476 from_host[sizeof from_host - 1] = 0;
477 if (num_parms(argbuf)>=5) extract_token(from_host, argbuf, 4, '|', sizeof from_host);
479 CC->cs_clientdev = dev_code;
480 CC->cs_clienttyp = cli_code;
481 CC->cs_clientver = rev_level;
482 safestrncpy(CC->cs_clientname, desc, sizeof CC->cs_clientname);
483 CC->cs_clientname[31] = 0;
485 if (!IsEmptyStr(from_host)) {
486 if (CC->is_local_socket) do_lookup = 1;
487 else if (is_public_client()) do_lookup = 1;
491 lprintf(CTDL_DEBUG, "Looking up hostname '%s'\n", from_host);
492 if ((addr.s_addr = inet_addr(from_host)) != -1) {
493 locate_host(CC->cs_host, sizeof CC->cs_host,
494 CC->cs_addr, sizeof CC->cs_addr,
498 safestrncpy(CC->cs_host, from_host, sizeof CC->cs_host);
499 CC->cs_host[sizeof CC->cs_host - 1] = 0;
503 lprintf(CTDL_NOTICE, "Client %d/%d/%01d.%02d (%s) from %s\n",
510 cprintf("%d Ok\n",CIT_OK);
515 * display system messages or help
517 void cmd_mesg(char *mname)
527 extract_token(buf, mname, 0, '|', sizeof buf);
529 dirs[0] = strdup(ctdl_message_dir);
530 dirs[1] = strdup(ctdl_hlp_dir);
532 snprintf(buf2, sizeof buf2, "%s.%d.%d",
533 buf, CC->cs_clientdev, CC->cs_clienttyp);
535 /* If the client requested "?" then produce a listing */
536 if (!strcmp(buf, "?")) {
537 cprintf("%d %s\n", LISTING_FOLLOWS, buf);
538 dp = opendir(dirs[1]);
540 while (d = readdir(dp), d != NULL) {
541 if (d->d_name[0] != '.') {
542 cprintf(" %s\n", d->d_name);
553 /* Otherwise, look for the requested file by name. */
555 mesg_locate(targ, sizeof targ, buf2, 2, (const char **)dirs);
556 if (IsEmptyStr(targ)) {
557 snprintf(buf2, sizeof buf2, "%s.%d",
558 buf, CC->cs_clientdev);
559 mesg_locate(targ, sizeof targ, buf2, 2,
560 (const char **)dirs);
561 if (IsEmptyStr(targ)) {
562 mesg_locate(targ, sizeof targ, buf, 2,
563 (const char **)dirs);
571 if (IsEmptyStr(targ)) {
572 cprintf("%d '%s' not found. (Searching in %s and %s)\n",
573 ERROR + FILE_NOT_FOUND,
581 mfp = fopen(targ, "r");
583 cprintf("%d Cannot open '%s': %s\n",
584 ERROR + INTERNAL_ERROR, targ, strerror(errno));
587 cprintf("%d %s\n", LISTING_FOLLOWS,buf);
589 while (fgets(buf, (sizeof buf - 1), mfp) != NULL) {
590 buf[strlen(buf)-1] = 0;
601 * enter system messages or help
603 void cmd_emsg(char *mname)
613 if (CtdlAccessCheck(ac_aide)) return;
615 extract_token(buf, mname, 0, '|', sizeof buf);
616 for (a=0; !IsEmptyStr(&buf[a]); ++a) { /* security measure */
617 if (buf[a] == '/') buf[a] = '.';
620 dirs[0] = strdup(ctdl_message_dir);
621 dirs[1] = strdup(ctdl_hlp_dir);
623 mesg_locate(targ, sizeof targ, buf, 2, (const char**)dirs);
627 if (IsEmptyStr(targ)) {
628 snprintf(targ, sizeof targ,
633 mfp = fopen(targ,"w");
635 cprintf("%d Cannot open '%s': %s\n",
636 ERROR + INTERNAL_ERROR, targ, strerror(errno));
639 cprintf("%d %s\n", SEND_LISTING, targ);
641 while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
642 fprintf(mfp, "%s\n", buf);
649 /* Don't show the names of private rooms unless the viewing
650 * user also knows the rooms.
652 void GenerateRoomDisplay(char *real_room,
653 struct CitContext *viewed,
654 struct CitContext *viewer) {
658 strcpy(real_room, viewed->room.QRname);
659 if (viewed->room.QRflags & QR_MAILBOX) {
660 strcpy(real_room, &real_room[11]);
662 if (viewed->room.QRflags & QR_PRIVATE) {
663 CtdlRoomAccess(&viewed->room, &viewer->user, &ra, NULL);
664 if ( (ra & UA_KNOWN) == 0) {
665 strcpy(real_room, "<private room>");
669 if (viewed->cs_flags & CS_CHAT) {
670 while (strlen(real_room) < 14) {
671 strcat(real_room, " ");
673 strcpy(&real_room[14], "<chat>");
679 * Convenience function.
681 int CtdlAccessCheck(int required_level) {
683 if (CC->internal_pgm) return(0);
684 if (required_level >= ac_internal) {
685 cprintf("%d This is not a user-level command.\n",
686 ERROR + HIGHER_ACCESS_REQUIRED);
690 if ((required_level >= ac_logged_in) && (CC->logged_in == 0)) {
691 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
695 if (CC->user.axlevel >= 6) return(0);
696 if (required_level >= ac_aide) {
697 cprintf("%d This command requires Aide access.\n",
698 ERROR + HIGHER_ACCESS_REQUIRED);
702 if (is_room_aide()) return(0);
703 if (required_level >= ac_room_aide) {
704 cprintf("%d This command requires Aide or Room Aide access.\n",
705 ERROR + HIGHER_ACCESS_REQUIRED);
709 /* shhh ... succeed quietly */
716 * Terminate another running session
718 void cmd_term(char *cmdbuf)
721 struct CitContext *ccptr;
725 session_num = extract_int(cmdbuf, 0);
726 if (session_num == CC->cs_pid) {
727 cprintf("%d You can't kill your own session.\n", ERROR + ILLEGAL_VALUE);
731 lprintf(CTDL_DEBUG, "Locating session to kill\n");
732 begin_critical_section(S_SESSION_TABLE);
733 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
734 if (session_num == ccptr->cs_pid) {
736 if ((ccptr->user.usernum == CC->user.usernum)
737 || (CC->user.axlevel >= 6)) {
746 end_critical_section(S_SESSION_TABLE);
750 cprintf("%d Session terminated.\n", CIT_OK);
753 cprintf("%d You are not allowed to do that.\n",
754 ERROR + HIGHER_ACCESS_REQUIRED);
758 cprintf("%d No such session.\n", ERROR + ILLEGAL_VALUE);
767 * get the paginator prompt
769 void cmd_more(void) {
770 cprintf("%d %s\n", CIT_OK, config.c_moreprompt);
776 void cmd_echo(char *etext)
778 cprintf("%d %s\n", CIT_OK, etext);
784 * identify as internal program
786 void cmd_ipgm(char *argbuf)
790 secret = extract_int(argbuf, 0);
792 /* For security reasons, we do NOT allow this command to run
793 * over the network. Local sockets only.
795 if (!CC->is_local_socket) {
797 cprintf("%d Authentication failed.\n",
798 ERROR + PASSWORD_REQUIRED);
800 else if (secret == config.c_ipgm_secret) {
801 CC->internal_pgm = 1;
802 strcpy(CC->curr_user, "<internal program>");
803 CC->cs_flags = CC->cs_flags|CS_STEALTH;
804 cprintf("%d Authenticated as an internal program.\n", CIT_OK);
808 cprintf("%d Authentication failed.\n",
809 ERROR + PASSWORD_REQUIRED);
810 lprintf(CTDL_ERR, "Warning: ipgm authentication failed.\n");
814 /* Now change the ipgm secret for the next round.
815 * (Disabled because it breaks concurrent scripts. The fact that
816 * we no longer accept IPGM over the network should be sufficient
817 * to prevent brute-force attacks. If you don't agree, uncomment
820 config.c_ipgm_secret = rand();
827 * Shut down the server
829 void cmd_down(char *argbuf) {
830 char *Reply ="%d Shutting down server. Goodbye.\n";
832 if (CtdlAccessCheck(ac_aide)) return;
834 if (!IsEmptyStr(argbuf))
837 restart_server = extract_int(argbuf, 0);
839 if (restart_server > 0)
840 Reply = "%d Restarting server. See you soon.\n";
841 if ((restart_server > 0) && !running_as_daemon)
843 lprintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
844 Reply = "%d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
847 cprintf(Reply, state);
851 cprintf(Reply, CIT_OK + SERVER_SHUTTING_DOWN);
857 * Halt the server without exiting the server process.
859 void cmd_halt(void) {
861 if (CtdlAccessCheck(ac_aide)) return;
863 cprintf("%d Halting server. Goodbye.\n", CIT_OK);
865 shutdown_and_halt = 1;
869 * Schedule or cancel a server shutdown
871 void cmd_scdn(char *argbuf)
875 char *Reply = "%d %d\n";
877 if (CtdlAccessCheck(ac_aide)) return;
879 new_state = extract_int(argbuf, 0);
880 if ((new_state == 2) || (new_state == 3))
883 if (!running_as_daemon)
885 lprintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
886 Reply = "%d %d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
890 restart_server = extract_int(argbuf, 0);
893 if ((new_state == 0) || (new_state == 1)) {
894 ScheduledShutdown = new_state;
896 cprintf(Reply, state, ScheduledShutdown);
901 * Set or unset asynchronous protocol mode
903 void cmd_asyn(char *argbuf)
907 new_state = extract_int(argbuf, 0);
908 if ((new_state == 0) || (new_state == 1)) {
909 CC->is_async = new_state;
911 cprintf("%d %d\n", CIT_OK, CC->is_async);
916 * Generate a "nonce" for APOP-style authentication.
918 * RFC 1725 et al specify a PID to be placed in front of the nonce.
919 * Quoth BTX: That would be stupid.
921 void generate_nonce(struct CitContext *con) {
924 memset(con->cs_nonce, NONCE_SIZE, 0);
925 gettimeofday(&tv, NULL);
926 memset(con->cs_nonce, NONCE_SIZE, 0);
927 snprintf(con->cs_nonce, NONCE_SIZE, "<%d%ld@%s>",
928 rand(), (long)tv.tv_usec, config.c_fqdn);
935 * Back-end function for starting a session
937 void begin_session(struct CitContext *con)
940 struct sockaddr_in sin;
943 * Initialize some variables specific to our context.
946 con->internal_pgm = 0;
947 con->download_fp = NULL;
948 con->upload_fp = NULL;
949 con->FirstExpressMessage = NULL;
951 time(&con->lastidle);
952 strcpy(con->lastcmdname, " ");
953 strcpy(con->cs_clientname, "(unknown)");
954 strcpy(con->curr_user, NLI);
955 *con->net_node = '\0';
956 *con->fake_username = '\0';
957 *con->fake_hostname = '\0';
958 *con->fake_roomname = '\0';
960 safestrncpy(con->cs_host, config.c_fqdn, sizeof con->cs_host);
961 safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
962 con->cs_host[sizeof con->cs_host - 1] = 0;
964 if (!CC->is_local_socket) {
965 if (!getpeername(con->client_socket, (struct sockaddr *) &sin, &len)) {
966 locate_host(con->cs_host, sizeof con->cs_host,
967 con->cs_addr, sizeof con->cs_addr,
973 strcpy(con->cs_host, "");
976 con->upload_type = UPL_FILE;
980 if ((config.c_maxsessions > 0)&&(num_sessions > config.c_maxsessions)) {
984 if (!CC->is_local_socket) {
985 lprintf(CTDL_NOTICE, "Session started from %s [%s].\n", con->cs_host, con->cs_addr);
988 lprintf(CTDL_NOTICE, "Session started via local socket.\n");
991 /* Run any session startup routines registered by loadable modules */
992 PerformSessionHooks(EVT_START);
996 void citproto_begin_session() {
997 if (CC->nologin==1) {
998 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
999 ERROR + MAX_SESSIONS_EXCEEDED,
1000 config.c_nodename, config.c_maxsessions
1005 cprintf("%d %s Citadel server ready.\n",
1006 CIT_OK, config.c_nodename);
1014 * This loop recognizes all server commands.
1016 void do_command_loop(void) {
1018 const char *old_name = NULL;
1020 old_name = CtdlThreadName("do_command_loop");
1023 memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1024 if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1025 lprintf(CTDL_ERR, "Client disconnected: ending session.\n");
1027 CtdlThreadName(old_name);
1031 /* Log the server command, but don't show passwords... */
1032 if ( (strncasecmp(cmdbuf, "PASS", 4))
1033 && (strncasecmp(cmdbuf, "SETP", 4)) ) {
1034 lprintf(CTDL_INFO, "%s\n", cmdbuf);
1037 lprintf(CTDL_INFO, "<password command sent>\n");
1043 * Let other clients see the last command we executed, and
1044 * update the idle time, but not NOOP, QNOP, PEXP, GEXP, RWHO, or TIME.
1046 if ( (strncasecmp(cmdbuf, "NOOP", 4))
1047 && (strncasecmp(cmdbuf, "QNOP", 4))
1048 && (strncasecmp(cmdbuf, "PEXP", 4))
1049 && (strncasecmp(cmdbuf, "GEXP", 4))
1050 && (strncasecmp(cmdbuf, "RWHO", 4))
1051 && (strncasecmp(cmdbuf, "TIME", 4)) ) {
1052 strcpy(CC->lastcmdname, " ");
1053 safestrncpy(CC->lastcmdname, cmdbuf, sizeof(CC->lastcmdname));
1054 time(&CC->lastidle);
1057 CtdlThreadName(cmdbuf);
1059 if ((strncasecmp(cmdbuf, "ENT0", 4))
1060 && (strncasecmp(cmdbuf, "MESG", 4))
1061 && (strncasecmp(cmdbuf, "MSGS", 4)))
1063 CC->cs_flags &= ~CS_POSTING;
1066 if (!strncasecmp(cmdbuf, "NOOP", 4)) {
1067 cprintf("%d%cok\n", CIT_OK, CtdlCheckExpress() );
1070 else if (!strncasecmp(cmdbuf, "XYZZY", 5)) {
1071 cprintf("%d Nothing happens.\n", CIT_OK);
1074 else if (!strncasecmp(cmdbuf, "QNOP", 4)) {
1075 /* do nothing, this command returns no response */
1078 else if (!strncasecmp(cmdbuf,"QUIT",4)) {
1079 cprintf("%d Goodbye.\n", CIT_OK);
1083 else if (!strncasecmp(cmdbuf,"ASYN",4)) {
1084 cmd_asyn(&cmdbuf[5]);
1087 else if (!strncasecmp(cmdbuf,"LOUT",4)) {
1088 if (CC->logged_in) logout(CC);
1089 cprintf("%d logged out.\n", CIT_OK);
1092 else if (!strncasecmp(cmdbuf,"USER",4)) {
1093 cmd_user(&cmdbuf[5]);
1096 else if (!strncasecmp(cmdbuf,"PASS",4)) {
1097 cmd_pass(&cmdbuf[5]);
1100 else if (!strncasecmp(cmdbuf,"NEWU",4)) {
1101 cmd_newu(&cmdbuf[5]);
1104 else if (!strncasecmp(cmdbuf,"CREU",4)) {
1105 cmd_creu(&cmdbuf[5]);
1108 else if (!strncasecmp(cmdbuf,"SETP",4)) {
1109 cmd_setp(&cmdbuf[5]);
1112 else if (!strncasecmp(cmdbuf,"LRMS",4)) {
1113 cmd_lrms(&cmdbuf[5]);
1116 else if (!strncasecmp(cmdbuf,"LKRA",4)) {
1117 cmd_lkra(&cmdbuf[5]);
1120 else if (!strncasecmp(cmdbuf,"LKRN",4)) {
1121 cmd_lkrn(&cmdbuf[5]);
1124 else if (!strncasecmp(cmdbuf,"LKRO",4)) {
1125 cmd_lkro(&cmdbuf[5]);
1128 else if (!strncasecmp(cmdbuf,"LZRM",4)) {
1129 cmd_lzrm(&cmdbuf[5]);
1132 else if (!strncasecmp(cmdbuf,"LPRM",4)) {
1133 cmd_lprm(&cmdbuf[5]);
1136 else if (!strncasecmp(cmdbuf,"GETU",4)) {
1140 else if (!strncasecmp(cmdbuf,"SETU",4)) {
1141 cmd_setu(&cmdbuf[5]);
1144 else if (!strncasecmp(cmdbuf,"GOTO",4)) {
1145 cmd_goto(&cmdbuf[5]);
1148 else if (!strncasecmp(cmdbuf,"MSGS",4)) {
1149 cmd_msgs(&cmdbuf[5]);
1152 else if (!strncasecmp(cmdbuf,"WHOK",4)) {
1156 else if (!strncasecmp(cmdbuf,"RDIR",4)) {
1160 else if (!strncasecmp(cmdbuf,"EUID",4)) {
1161 cmd_euid(&cmdbuf[5]);
1164 else if (!strncasecmp(cmdbuf,"MSG0",4)) {
1165 cmd_msg0(&cmdbuf[5]);
1168 else if (!strncasecmp(cmdbuf,"MSG2",4)) {
1169 cmd_msg2(&cmdbuf[5]);
1172 else if (!strncasecmp(cmdbuf,"MSG3",4)) {
1173 cmd_msg3(&cmdbuf[5]);
1176 else if (!strncasecmp(cmdbuf,"MSG4",4)) {
1177 cmd_msg4(&cmdbuf[5]);
1180 else if (!strncasecmp(cmdbuf,"MSGP",4)) {
1181 cmd_msgp(&cmdbuf[5]);
1184 else if (!strncasecmp(cmdbuf,"OPNA",4)) {
1185 cmd_opna(&cmdbuf[5]);
1188 else if (!strncasecmp(cmdbuf,"DLAT",4)) {
1189 cmd_dlat(&cmdbuf[5]);
1192 else if (!strncasecmp(cmdbuf,"INFO",4)) {
1196 else if (!strncasecmp(cmdbuf,"SLRP",4)) {
1197 cmd_slrp(&cmdbuf[5]);
1200 else if (!strncasecmp(cmdbuf,"INVT",4)) {
1201 cmd_invt_kick(&cmdbuf[5],1);
1204 else if (!strncasecmp(cmdbuf,"KICK",4)) {
1205 cmd_invt_kick(&cmdbuf[5],0);
1208 else if (!strncasecmp(cmdbuf,"GETR",4)) {
1212 else if (!strncasecmp(cmdbuf,"SETR",4)) {
1213 cmd_setr(&cmdbuf[5]);
1216 else if (!strncasecmp(cmdbuf,"GETA",4)) {
1220 else if (!strncasecmp(cmdbuf,"SETA",4)) {
1221 cmd_seta(&cmdbuf[5]);
1224 else if (!strncasecmp(cmdbuf,"ENT0",4)) {
1225 cmd_ent0(&cmdbuf[5]);
1228 else if (!strncasecmp(cmdbuf,"RINF",4)) {
1232 else if (!strncasecmp(cmdbuf,"DELE",4)) {
1233 cmd_dele(&cmdbuf[5]);
1236 else if (!strncasecmp(cmdbuf,"KILL",4)) {
1237 cmd_kill(&cmdbuf[5]);
1240 else if (!strncasecmp(cmdbuf,"CRE8",4)) {
1241 cmd_cre8(&cmdbuf[5]);
1244 else if (!strncasecmp(cmdbuf,"MOVE",4)) {
1245 cmd_move(&cmdbuf[5]);
1248 else if (!strncasecmp(cmdbuf,"FORG",4)) {
1252 else if (!strncasecmp(cmdbuf,"MESG",4)) {
1253 cmd_mesg(&cmdbuf[5]);
1256 else if (!strncasecmp(cmdbuf,"EMSG",4)) {
1257 cmd_emsg(&cmdbuf[5]);
1260 else if (!strncasecmp(cmdbuf,"GNUR",4)) {
1264 else if (!strncasecmp(cmdbuf,"VALI",4)) {
1265 cmd_vali(&cmdbuf[5]);
1268 else if (!strncasecmp(cmdbuf,"EINF",4)) {
1269 cmd_einf(&cmdbuf[5]);
1272 else if (!strncasecmp(cmdbuf,"LIST",4)) {
1273 cmd_list(&cmdbuf[5]);
1276 else if (!strncasecmp(cmdbuf,"CHEK",4)) {
1280 else if (!strncasecmp(cmdbuf,"DELF",4)) {
1281 cmd_delf(&cmdbuf[5]);
1284 else if (!strncasecmp(cmdbuf,"MOVF",4)) {
1285 cmd_movf(&cmdbuf[5]);
1288 else if (!strncasecmp(cmdbuf,"NETF",4)) {
1289 cmd_netf(&cmdbuf[5]);
1292 else if (!strncasecmp(cmdbuf,"OPEN",4)) {
1293 cmd_open(&cmdbuf[5]);
1296 else if (!strncasecmp(cmdbuf,"CLOS",4)) {
1300 else if (!strncasecmp(cmdbuf,"UOPN",4)) {
1301 cmd_uopn(&cmdbuf[5]);
1304 else if (!strncasecmp(cmdbuf,"UCLS",4)) {
1305 cmd_ucls(&cmdbuf[5]);
1308 else if (!strncasecmp(cmdbuf,"READ",4)) {
1309 cmd_read(&cmdbuf[5]);
1312 else if (!strncasecmp(cmdbuf,"WRIT",4)) {
1313 cmd_writ(&cmdbuf[5]);
1316 else if (!strncasecmp(cmdbuf,"QUSR",4)) {
1317 cmd_qusr(&cmdbuf[5]);
1320 else if (!strncasecmp(cmdbuf,"ECHO",4)) {
1321 cmd_echo(&cmdbuf[5]);
1324 else if (!strncasecmp(cmdbuf,"OIMG",4)) {
1325 cmd_oimg(&cmdbuf[5]);
1328 else if (!strncasecmp(cmdbuf,"MORE",4)) {
1332 else if (!strncasecmp(cmdbuf,"NDOP",4)) {
1333 cmd_ndop(&cmdbuf[5]);
1336 else if (!strncasecmp(cmdbuf,"NUOP",4)) {
1337 cmd_nuop(&cmdbuf[5]);
1340 else if (!strncasecmp(cmdbuf,"LFLR",4)) {
1344 else if (!strncasecmp(cmdbuf,"CFLR",4)) {
1345 cmd_cflr(&cmdbuf[5]);
1348 else if (!strncasecmp(cmdbuf,"KFLR",4)) {
1349 cmd_kflr(&cmdbuf[5]);
1352 else if (!strncasecmp(cmdbuf,"EFLR",4)) {
1353 cmd_eflr(&cmdbuf[5]);
1356 else if (!strncasecmp(cmdbuf,"IDEN",4)) {
1357 cmd_iden(&cmdbuf[5]);
1360 else if (!strncasecmp(cmdbuf,"IPGM",4)) {
1361 cmd_ipgm(&cmdbuf[5]);
1364 else if (!strncasecmp(cmdbuf,"TERM",4)) {
1365 cmd_term(&cmdbuf[5]);
1368 else if (!strncasecmp(cmdbuf,"DOWN",4)) {
1369 cmd_down(&cmdbuf[5]);
1372 else if (!strncasecmp(cmdbuf,"HALT",4)) {
1376 else if (!strncasecmp(cmdbuf,"SCDN",4)) {
1377 cmd_scdn(&cmdbuf[5]);
1380 else if (!strncasecmp(cmdbuf, "UIMG", 4)) {
1381 cmd_uimg(&cmdbuf[5]);
1384 else if (!strncasecmp(cmdbuf, "TIME", 4)) {
1388 else if (!strncasecmp(cmdbuf, "AGUP", 4)) {
1389 cmd_agup(&cmdbuf[5]);
1392 else if (!strncasecmp(cmdbuf, "ASUP", 4)) {
1393 cmd_asup(&cmdbuf[5]);
1396 else if (!strncasecmp(cmdbuf, "GPEX", 4)) {
1397 cmd_gpex(&cmdbuf[5]);
1400 else if (!strncasecmp(cmdbuf, "SPEX", 4)) {
1401 cmd_spex(&cmdbuf[5]);
1404 else if (!strncasecmp(cmdbuf, "CONF", 4)) {
1405 cmd_conf(&cmdbuf[5]);
1408 else if (!strncasecmp(cmdbuf, "SEEN", 4)) {
1409 cmd_seen(&cmdbuf[5]);
1412 else if (!strncasecmp(cmdbuf, "GTSN", 4)) {
1413 cmd_gtsn(&cmdbuf[5]);
1416 else if (!strncasecmp(cmdbuf, "VIEW", 4)) {
1417 cmd_view(&cmdbuf[5]);
1420 else if (!strncasecmp(cmdbuf, "ISME", 4)) {
1421 cmd_isme(&cmdbuf[5]);
1424 else if (!strncasecmp(cmdbuf, "RENU", 4)) {
1425 cmd_renu(&cmdbuf[5]);
1428 else if (!DLoader_Exec_Cmd(cmdbuf)) {
1429 cprintf("%d Unrecognized or unsupported command.\n", ERROR + CMD_NOT_SUPPORTED);
1434 /* Run any after-each-command routines registered by modules */
1435 PerformSessionHooks(EVT_CMD);
1436 CtdlThreadName(old_name);
1441 * This loop performs all asynchronous functions.
1443 void do_async_loop(void) {
1444 PerformSessionHooks(EVT_ASYNC);