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.
252 PerformSessionHooks(EVT_STOP);
253 become_session(NULL);
255 lprintf(CTDL_NOTICE, "[%3d] Session ended.\n", con->cs_pid);
257 /* If the client is still connected, blow 'em away. */
258 lprintf(CTDL_DEBUG, "Closing socket %d\n", con->client_socket);
259 close(con->client_socket);
261 lprintf(CTDL_DEBUG, "Done with RemoveContext()\n");
269 * cmd_info() - tell the client about this server
271 void cmd_info(void) {
272 cprintf("%d Server info:\n", LISTING_FOLLOWS);
273 cprintf("%d\n", CC->cs_pid);
274 cprintf("%s\n", config.c_nodename);
275 cprintf("%s\n", config.c_humannode);
276 cprintf("%s\n", config.c_fqdn);
277 cprintf("%s\n", CITADEL);
278 cprintf("%d\n", REV_LEVEL);
279 cprintf("%s\n", config.c_site_location);
280 cprintf("%s\n", config.c_sysadm);
281 cprintf("%d\n", SERVER_TYPE);
282 cprintf("%s\n", config.c_moreprompt);
283 cprintf("1\n"); /* 1 = yes, this system supports floors */
284 cprintf("1\n"); /* 1 = we support the extended paging options */
285 cprintf("%s\n", CC->cs_nonce);
286 cprintf("1\n"); /* 1 = yes, this system supports the QNOP command */
289 cprintf("1\n"); /* 1 = yes, this server is LDAP-enabled */
291 cprintf("0\n"); /* 1 = no, this server is not LDAP-enabled */
294 if (config.c_auth_mode == AUTHMODE_NATIVE) {
295 cprintf("%d\n", config.c_disable_newu);
298 cprintf("1\n"); /* "create new user" does not work with non-native auth modes */
301 cprintf("%s\n", config.c_default_cal_zone);
303 /* Output load averages */
304 cprintf("%f\n", CtdlThreadLoadAvg);
305 cprintf("%f\n", CtdlThreadWorkerAvg);
306 cprintf("%d\n", CtdlThreadGetCount());
308 cprintf("1\n"); /* yes, Sieve mail filtering is supported */
309 cprintf("%d\n", config.c_enable_fulltext);
310 cprintf("%s\n", svn_revision());
317 * returns an asterisk if there are any instant messages waiting,
320 char CtdlCheckExpress(void) {
321 if (CC->FirstExpressMessage == NULL) {
335 localtime_r(&tv, &tmp);
337 /* timezone and daylight global variables are not portable. */
338 #ifdef HAVE_STRUCT_TM_TM_GMTOFF
339 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, tmp.tm_gmtoff, tmp.tm_isdst);
341 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, timezone, tmp.tm_isdst);
347 * Check originating host against the public_clients file. This determines
348 * whether the client is allowed to change the hostname for this session
349 * (for example, to show the location of the user rather than the location
352 int is_public_client(void)
358 char *public_clientspos;
359 char *public_clientsend;
362 static time_t pc_timestamp = 0;
363 static char public_clients[SIZ];
364 static char public_clients_file[SIZ];
366 #define LOCALHOSTSTR "127.0.0.1"
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 public_clientspos = &public_clients[0];
391 public_clientsend = public_clientspos + SIZ;
392 safestrncpy(public_clientspos, LOCALHOSTSTR, sizeof public_clients);
393 public_clientspos += sizeof(LOCALHOSTSTR) - 1;
395 if (hostname_to_dotted_quad(addrbuf, config.c_fqdn) == 0) {
396 *(public_clientspos++) = '|';
398 while (!IsEmptyStr (paddr) &&
399 (public_clientspos < public_clientsend))
400 *(public_clientspos++) = *(paddr++);
403 fp = fopen(public_clients_file, "r");
405 while ((fgets(buf, sizeof buf, fp)!=NULL) &&
406 (public_clientspos < public_clientsend)){
409 while (!IsEmptyStr(ptr)) {
417 while (ptr>buf && isspace(*ptr)) {
420 if (hostname_to_dotted_quad(addrbuf, buf) == 0) {
421 *(public_clientspos++) = '|';
423 while (!IsEmptyStr(paddr) &&
424 (public_clientspos < public_clientsend)){
425 *(public_clientspos++) = *(paddr++);
430 pc_timestamp = time(NULL);
431 end_critical_section(S_PUBLIC_CLIENTS);
434 lprintf(CTDL_DEBUG, "Checking whether %s is a local or public client\n",
436 for (i=0; i<num_parms(public_clients); ++i) {
437 extract_token(addrbuf, public_clients, i, '|', sizeof addrbuf);
438 if (!strcasecmp(CC->cs_addr, addrbuf)) {
439 lprintf(CTDL_DEBUG, "... yes it is.\n");
444 /* No hits. This is not a public client. */
445 lprintf(CTDL_DEBUG, "... no it isn't.\n");
451 * the client is identifying itself to the server
453 void cmd_iden(char *argbuf)
463 if (num_parms(argbuf)<4) {
464 cprintf("%d usage error\n", ERROR + ILLEGAL_VALUE);
468 dev_code = extract_int(argbuf,0);
469 cli_code = extract_int(argbuf,1);
470 rev_level = extract_int(argbuf,2);
471 extract_token(desc, argbuf, 3, '|', sizeof desc);
473 safestrncpy(from_host, config.c_fqdn, sizeof from_host);
474 from_host[sizeof from_host - 1] = 0;
475 if (num_parms(argbuf)>=5) extract_token(from_host, argbuf, 4, '|', sizeof from_host);
477 CC->cs_clientdev = dev_code;
478 CC->cs_clienttyp = cli_code;
479 CC->cs_clientver = rev_level;
480 safestrncpy(CC->cs_clientname, desc, sizeof CC->cs_clientname);
481 CC->cs_clientname[31] = 0;
483 if (!IsEmptyStr(from_host)) {
484 if (CC->is_local_socket) do_lookup = 1;
485 else if (is_public_client()) do_lookup = 1;
489 lprintf(CTDL_DEBUG, "Looking up hostname '%s'\n", from_host);
490 if ((addr.s_addr = inet_addr(from_host)) != -1) {
491 locate_host(CC->cs_host, sizeof CC->cs_host,
492 CC->cs_addr, sizeof CC->cs_addr,
496 safestrncpy(CC->cs_host, from_host, sizeof CC->cs_host);
497 CC->cs_host[sizeof CC->cs_host - 1] = 0;
501 lprintf(CTDL_NOTICE, "Client %d/%d/%01d.%02d (%s) from %s\n",
508 cprintf("%d Ok\n",CIT_OK);
513 * display system messages or help
515 void cmd_mesg(char *mname)
525 extract_token(buf, mname, 0, '|', sizeof buf);
527 dirs[0] = strdup(ctdl_message_dir);
528 dirs[1] = strdup(ctdl_hlp_dir);
530 snprintf(buf2, sizeof buf2, "%s.%d.%d",
531 buf, CC->cs_clientdev, CC->cs_clienttyp);
533 /* If the client requested "?" then produce a listing */
534 if (!strcmp(buf, "?")) {
535 cprintf("%d %s\n", LISTING_FOLLOWS, buf);
536 dp = opendir(dirs[1]);
538 while (d = readdir(dp), d != NULL) {
539 if (d->d_name[0] != '.') {
540 cprintf(" %s\n", d->d_name);
551 /* Otherwise, look for the requested file by name. */
553 mesg_locate(targ, sizeof targ, buf2, 2, (const char **)dirs);
554 if (IsEmptyStr(targ)) {
555 snprintf(buf2, sizeof buf2, "%s.%d",
556 buf, CC->cs_clientdev);
557 mesg_locate(targ, sizeof targ, buf2, 2,
558 (const char **)dirs);
559 if (IsEmptyStr(targ)) {
560 mesg_locate(targ, sizeof targ, buf, 2,
561 (const char **)dirs);
569 if (IsEmptyStr(targ)) {
570 cprintf("%d '%s' not found. (Searching in %s and %s)\n",
571 ERROR + FILE_NOT_FOUND,
579 mfp = fopen(targ, "r");
581 cprintf("%d Cannot open '%s': %s\n",
582 ERROR + INTERNAL_ERROR, targ, strerror(errno));
585 cprintf("%d %s\n", LISTING_FOLLOWS,buf);
587 while (fgets(buf, (sizeof buf - 1), mfp) != NULL) {
588 buf[strlen(buf)-1] = 0;
599 * enter system messages or help
601 void cmd_emsg(char *mname)
611 if (CtdlAccessCheck(ac_aide)) return;
613 extract_token(buf, mname, 0, '|', sizeof buf);
614 for (a=0; !IsEmptyStr(&buf[a]); ++a) { /* security measure */
615 if (buf[a] == '/') buf[a] = '.';
618 dirs[0] = strdup(ctdl_message_dir);
619 dirs[1] = strdup(ctdl_hlp_dir);
621 mesg_locate(targ, sizeof targ, buf, 2, (const char**)dirs);
625 if (IsEmptyStr(targ)) {
626 snprintf(targ, sizeof targ,
631 mfp = fopen(targ,"w");
633 cprintf("%d Cannot open '%s': %s\n",
634 ERROR + INTERNAL_ERROR, targ, strerror(errno));
637 cprintf("%d %s\n", SEND_LISTING, targ);
639 while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
640 fprintf(mfp, "%s\n", buf);
647 /* Don't show the names of private rooms unless the viewing
648 * user also knows the rooms.
650 void GenerateRoomDisplay(char *real_room,
651 struct CitContext *viewed,
652 struct CitContext *viewer) {
656 strcpy(real_room, viewed->room.QRname);
657 if (viewed->room.QRflags & QR_MAILBOX) {
658 strcpy(real_room, &real_room[11]);
660 if (viewed->room.QRflags & QR_PRIVATE) {
661 CtdlRoomAccess(&viewed->room, &viewer->user, &ra, NULL);
662 if ( (ra & UA_KNOWN) == 0) {
663 strcpy(real_room, "<private room>");
667 if (viewed->cs_flags & CS_CHAT) {
668 while (strlen(real_room) < 14) {
669 strcat(real_room, " ");
671 strcpy(&real_room[14], "<chat>");
677 * Convenience function.
679 int CtdlAccessCheck(int required_level) {
681 if (CC->internal_pgm) return(0);
682 if (required_level >= ac_internal) {
683 cprintf("%d This is not a user-level command.\n",
684 ERROR + HIGHER_ACCESS_REQUIRED);
688 if ((required_level >= ac_logged_in) && (CC->logged_in == 0)) {
689 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
693 if (CC->user.axlevel >= 6) return(0);
694 if (required_level >= ac_aide) {
695 cprintf("%d This command requires Aide access.\n",
696 ERROR + HIGHER_ACCESS_REQUIRED);
700 if (is_room_aide()) return(0);
701 if (required_level >= ac_room_aide) {
702 cprintf("%d This command requires Aide or Room Aide access.\n",
703 ERROR + HIGHER_ACCESS_REQUIRED);
707 /* shhh ... succeed quietly */
714 * Terminate another running session
716 void cmd_term(char *cmdbuf)
719 struct CitContext *ccptr;
723 session_num = extract_int(cmdbuf, 0);
724 if (session_num == CC->cs_pid) {
725 cprintf("%d You can't kill your own session.\n", ERROR + ILLEGAL_VALUE);
729 lprintf(CTDL_DEBUG, "Locating session to kill\n");
730 begin_critical_section(S_SESSION_TABLE);
731 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
732 if (session_num == ccptr->cs_pid) {
734 if ((ccptr->user.usernum == CC->user.usernum)
735 || (CC->user.axlevel >= 6)) {
744 end_critical_section(S_SESSION_TABLE);
748 cprintf("%d Session terminated.\n", CIT_OK);
751 cprintf("%d You are not allowed to do that.\n",
752 ERROR + HIGHER_ACCESS_REQUIRED);
756 cprintf("%d No such session.\n", ERROR + ILLEGAL_VALUE);
765 * get the paginator prompt
767 void cmd_more(void) {
768 cprintf("%d %s\n", CIT_OK, config.c_moreprompt);
774 void cmd_echo(char *etext)
776 cprintf("%d %s\n", CIT_OK, etext);
782 * identify as internal program
784 void cmd_ipgm(char *argbuf)
788 secret = extract_int(argbuf, 0);
790 /* For security reasons, we do NOT allow this command to run
791 * over the network. Local sockets only.
793 if (!CC->is_local_socket) {
795 cprintf("%d Authentication failed.\n",
796 ERROR + PASSWORD_REQUIRED);
798 else if (secret == config.c_ipgm_secret) {
799 CC->internal_pgm = 1;
800 strcpy(CC->curr_user, "<internal program>");
801 CC->cs_flags = CC->cs_flags|CS_STEALTH;
802 cprintf("%d Authenticated as an internal program.\n", CIT_OK);
806 cprintf("%d Authentication failed.\n",
807 ERROR + PASSWORD_REQUIRED);
808 lprintf(CTDL_ERR, "Warning: ipgm authentication failed.\n");
812 /* Now change the ipgm secret for the next round.
813 * (Disabled because it breaks concurrent scripts. The fact that
814 * we no longer accept IPGM over the network should be sufficient
815 * to prevent brute-force attacks. If you don't agree, uncomment
818 config.c_ipgm_secret = rand();
825 * Shut down the server
827 void cmd_down(char *argbuf) {
828 char *Reply ="%d Shutting down server. Goodbye.\n";
830 if (CtdlAccessCheck(ac_aide)) return;
832 if (!IsEmptyStr(argbuf))
835 restart_server = extract_int(argbuf, 0);
837 if (restart_server > 0)
838 Reply = "%d Restarting server. See you soon.\n";
839 if ((restart_server > 0) && !running_as_daemon)
841 lprintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
842 Reply = "%d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
845 cprintf(Reply, state);
849 cprintf(Reply, CIT_OK + SERVER_SHUTTING_DOWN);
855 * Halt the server without exiting the server process.
857 void cmd_halt(void) {
859 if (CtdlAccessCheck(ac_aide)) return;
861 cprintf("%d Halting server. Goodbye.\n", CIT_OK);
863 shutdown_and_halt = 1;
867 * Schedule or cancel a server shutdown
869 void cmd_scdn(char *argbuf)
873 char *Reply = "%d %d\n";
875 if (CtdlAccessCheck(ac_aide)) return;
877 new_state = extract_int(argbuf, 0);
878 if ((new_state == 2) || (new_state == 3))
881 if (!running_as_daemon)
883 lprintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
884 Reply = "%d %d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
888 restart_server = extract_int(argbuf, 0);
891 if ((new_state == 0) || (new_state == 1)) {
892 ScheduledShutdown = new_state;
894 cprintf(Reply, state, ScheduledShutdown);
899 * Set or unset asynchronous protocol mode
901 void cmd_asyn(char *argbuf)
905 new_state = extract_int(argbuf, 0);
906 if ((new_state == 0) || (new_state == 1)) {
907 CC->is_async = new_state;
909 cprintf("%d %d\n", CIT_OK, CC->is_async);
914 * Generate a "nonce" for APOP-style authentication.
916 * RFC 1725 et al specify a PID to be placed in front of the nonce.
917 * Quoth BTX: That would be stupid.
919 void generate_nonce(struct CitContext *con) {
922 memset(con->cs_nonce, NONCE_SIZE, 0);
923 gettimeofday(&tv, NULL);
924 memset(con->cs_nonce, NONCE_SIZE, 0);
925 snprintf(con->cs_nonce, NONCE_SIZE, "<%d%ld@%s>",
926 rand(), (long)tv.tv_usec, config.c_fqdn);
933 * Back-end function for starting a session
935 void begin_session(struct CitContext *con)
938 struct sockaddr_in sin;
941 * Initialize some variables specific to our context.
944 con->internal_pgm = 0;
945 con->download_fp = NULL;
946 con->upload_fp = NULL;
947 con->FirstExpressMessage = NULL;
949 time(&con->lastidle);
950 strcpy(con->lastcmdname, " ");
951 strcpy(con->cs_clientname, "(unknown)");
952 strcpy(con->curr_user, NLI);
953 *con->net_node = '\0';
954 *con->fake_username = '\0';
955 *con->fake_hostname = '\0';
956 *con->fake_roomname = '\0';
958 safestrncpy(con->cs_host, config.c_fqdn, sizeof con->cs_host);
959 safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
960 con->cs_host[sizeof con->cs_host - 1] = 0;
962 if (!CC->is_local_socket) {
963 if (!getpeername(con->client_socket, (struct sockaddr *) &sin, &len)) {
964 locate_host(con->cs_host, sizeof con->cs_host,
965 con->cs_addr, sizeof con->cs_addr,
971 strcpy(con->cs_host, "");
974 con->upload_type = UPL_FILE;
978 if ((config.c_maxsessions > 0)&&(num_sessions > config.c_maxsessions)) {
982 if (!CC->is_local_socket) {
983 lprintf(CTDL_NOTICE, "Session started from %s [%s].\n", con->cs_host, con->cs_addr);
986 lprintf(CTDL_NOTICE, "Session started via local socket.\n");
989 /* Run any session startup routines registered by loadable modules */
990 PerformSessionHooks(EVT_START);
994 void citproto_begin_session() {
995 if (CC->nologin==1) {
996 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
997 ERROR + MAX_SESSIONS_EXCEEDED,
998 config.c_nodename, config.c_maxsessions
1003 cprintf("%d %s Citadel server ready.\n",
1004 CIT_OK, config.c_nodename);
1012 * This loop recognizes all server commands.
1014 void do_command_loop(void) {
1016 const char *old_name = NULL;
1018 old_name = CtdlThreadName("do_command_loop");
1021 memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1022 if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1023 lprintf(CTDL_ERR, "Client disconnected: ending session.\n");
1025 CtdlThreadName(old_name);
1029 /* Log the server command, but don't show passwords... */
1030 if ( (strncasecmp(cmdbuf, "PASS", 4))
1031 && (strncasecmp(cmdbuf, "SETP", 4)) ) {
1032 lprintf(CTDL_INFO, "%s\n", cmdbuf);
1035 lprintf(CTDL_INFO, "<password command sent>\n");
1041 * Let other clients see the last command we executed, and
1042 * update the idle time, but not NOOP, QNOP, PEXP, GEXP, RWHO, or TIME.
1044 if ( (strncasecmp(cmdbuf, "NOOP", 4))
1045 && (strncasecmp(cmdbuf, "QNOP", 4))
1046 && (strncasecmp(cmdbuf, "PEXP", 4))
1047 && (strncasecmp(cmdbuf, "GEXP", 4))
1048 && (strncasecmp(cmdbuf, "RWHO", 4))
1049 && (strncasecmp(cmdbuf, "TIME", 4)) ) {
1050 strcpy(CC->lastcmdname, " ");
1051 safestrncpy(CC->lastcmdname, cmdbuf, sizeof(CC->lastcmdname));
1052 time(&CC->lastidle);
1055 CtdlThreadName(cmdbuf);
1057 if ((strncasecmp(cmdbuf, "ENT0", 4))
1058 && (strncasecmp(cmdbuf, "MESG", 4))
1059 && (strncasecmp(cmdbuf, "MSGS", 4)))
1061 CC->cs_flags &= ~CS_POSTING;
1064 if (!strncasecmp(cmdbuf, "NOOP", 4)) {
1065 cprintf("%d%cok\n", CIT_OK, CtdlCheckExpress() );
1068 else if (!strncasecmp(cmdbuf, "XYZZY", 5)) {
1069 cprintf("%d Nothing happens.\n", CIT_OK);
1072 else if (!strncasecmp(cmdbuf, "QNOP", 4)) {
1073 /* do nothing, this command returns no response */
1076 else if (!strncasecmp(cmdbuf,"QUIT",4)) {
1077 cprintf("%d Goodbye.\n", CIT_OK);
1081 else if (!strncasecmp(cmdbuf,"ASYN",4)) {
1082 cmd_asyn(&cmdbuf[5]);
1085 else if (!strncasecmp(cmdbuf,"LOUT",4)) {
1086 if (CC->logged_in) logout();
1087 cprintf("%d logged out.\n", CIT_OK);
1090 else if (!strncasecmp(cmdbuf,"USER",4)) {
1091 cmd_user(&cmdbuf[5]);
1094 else if (!strncasecmp(cmdbuf,"PASS",4)) {
1095 cmd_pass(&cmdbuf[5]);
1098 else if (!strncasecmp(cmdbuf,"NEWU",4)) {
1099 cmd_newu(&cmdbuf[5]);
1102 else if (!strncasecmp(cmdbuf,"CREU",4)) {
1103 cmd_creu(&cmdbuf[5]);
1106 else if (!strncasecmp(cmdbuf,"SETP",4)) {
1107 cmd_setp(&cmdbuf[5]);
1110 else if (!strncasecmp(cmdbuf,"LRMS",4)) {
1111 cmd_lrms(&cmdbuf[5]);
1114 else if (!strncasecmp(cmdbuf,"LKRA",4)) {
1115 cmd_lkra(&cmdbuf[5]);
1118 else if (!strncasecmp(cmdbuf,"LKRN",4)) {
1119 cmd_lkrn(&cmdbuf[5]);
1122 else if (!strncasecmp(cmdbuf,"LKRO",4)) {
1123 cmd_lkro(&cmdbuf[5]);
1126 else if (!strncasecmp(cmdbuf,"LZRM",4)) {
1127 cmd_lzrm(&cmdbuf[5]);
1130 else if (!strncasecmp(cmdbuf,"LPRM",4)) {
1131 cmd_lprm(&cmdbuf[5]);
1134 else if (!strncasecmp(cmdbuf,"GETU",4)) {
1138 else if (!strncasecmp(cmdbuf,"SETU",4)) {
1139 cmd_setu(&cmdbuf[5]);
1142 else if (!strncasecmp(cmdbuf,"GOTO",4)) {
1143 cmd_goto(&cmdbuf[5]);
1146 else if (!strncasecmp(cmdbuf,"MSGS",4)) {
1147 cmd_msgs(&cmdbuf[5]);
1150 else if (!strncasecmp(cmdbuf,"WHOK",4)) {
1154 else if (!strncasecmp(cmdbuf,"RDIR",4)) {
1158 else if (!strncasecmp(cmdbuf,"EUID",4)) {
1159 cmd_euid(&cmdbuf[5]);
1162 else if (!strncasecmp(cmdbuf,"MSG0",4)) {
1163 cmd_msg0(&cmdbuf[5]);
1166 else if (!strncasecmp(cmdbuf,"MSG2",4)) {
1167 cmd_msg2(&cmdbuf[5]);
1170 else if (!strncasecmp(cmdbuf,"MSG3",4)) {
1171 cmd_msg3(&cmdbuf[5]);
1174 else if (!strncasecmp(cmdbuf,"MSG4",4)) {
1175 cmd_msg4(&cmdbuf[5]);
1178 else if (!strncasecmp(cmdbuf,"MSGP",4)) {
1179 cmd_msgp(&cmdbuf[5]);
1182 else if (!strncasecmp(cmdbuf,"OPNA",4)) {
1183 cmd_opna(&cmdbuf[5]);
1186 else if (!strncasecmp(cmdbuf,"DLAT",4)) {
1187 cmd_dlat(&cmdbuf[5]);
1190 else if (!strncasecmp(cmdbuf,"INFO",4)) {
1194 else if (!strncasecmp(cmdbuf,"SLRP",4)) {
1195 cmd_slrp(&cmdbuf[5]);
1198 else if (!strncasecmp(cmdbuf,"INVT",4)) {
1199 cmd_invt_kick(&cmdbuf[5],1);
1202 else if (!strncasecmp(cmdbuf,"KICK",4)) {
1203 cmd_invt_kick(&cmdbuf[5],0);
1206 else if (!strncasecmp(cmdbuf,"GETR",4)) {
1210 else if (!strncasecmp(cmdbuf,"SETR",4)) {
1211 cmd_setr(&cmdbuf[5]);
1214 else if (!strncasecmp(cmdbuf,"GETA",4)) {
1218 else if (!strncasecmp(cmdbuf,"SETA",4)) {
1219 cmd_seta(&cmdbuf[5]);
1222 else if (!strncasecmp(cmdbuf,"ENT0",4)) {
1223 cmd_ent0(&cmdbuf[5]);
1226 else if (!strncasecmp(cmdbuf,"RINF",4)) {
1230 else if (!strncasecmp(cmdbuf,"DELE",4)) {
1231 cmd_dele(&cmdbuf[5]);
1234 else if (!strncasecmp(cmdbuf,"KILL",4)) {
1235 cmd_kill(&cmdbuf[5]);
1238 else if (!strncasecmp(cmdbuf,"CRE8",4)) {
1239 cmd_cre8(&cmdbuf[5]);
1242 else if (!strncasecmp(cmdbuf,"MOVE",4)) {
1243 cmd_move(&cmdbuf[5]);
1246 else if (!strncasecmp(cmdbuf,"FORG",4)) {
1250 else if (!strncasecmp(cmdbuf,"MESG",4)) {
1251 cmd_mesg(&cmdbuf[5]);
1254 else if (!strncasecmp(cmdbuf,"EMSG",4)) {
1255 cmd_emsg(&cmdbuf[5]);
1258 else if (!strncasecmp(cmdbuf,"GNUR",4)) {
1262 else if (!strncasecmp(cmdbuf,"VALI",4)) {
1263 cmd_vali(&cmdbuf[5]);
1266 else if (!strncasecmp(cmdbuf,"EINF",4)) {
1267 cmd_einf(&cmdbuf[5]);
1270 else if (!strncasecmp(cmdbuf,"LIST",4)) {
1271 cmd_list(&cmdbuf[5]);
1274 else if (!strncasecmp(cmdbuf,"CHEK",4)) {
1278 else if (!strncasecmp(cmdbuf,"DELF",4)) {
1279 cmd_delf(&cmdbuf[5]);
1282 else if (!strncasecmp(cmdbuf,"MOVF",4)) {
1283 cmd_movf(&cmdbuf[5]);
1286 else if (!strncasecmp(cmdbuf,"NETF",4)) {
1287 cmd_netf(&cmdbuf[5]);
1290 else if (!strncasecmp(cmdbuf,"OPEN",4)) {
1291 cmd_open(&cmdbuf[5]);
1294 else if (!strncasecmp(cmdbuf,"CLOS",4)) {
1298 else if (!strncasecmp(cmdbuf,"UOPN",4)) {
1299 cmd_uopn(&cmdbuf[5]);
1302 else if (!strncasecmp(cmdbuf,"UCLS",4)) {
1303 cmd_ucls(&cmdbuf[5]);
1306 else if (!strncasecmp(cmdbuf,"READ",4)) {
1307 cmd_read(&cmdbuf[5]);
1310 else if (!strncasecmp(cmdbuf,"WRIT",4)) {
1311 cmd_writ(&cmdbuf[5]);
1314 else if (!strncasecmp(cmdbuf,"QUSR",4)) {
1315 cmd_qusr(&cmdbuf[5]);
1318 else if (!strncasecmp(cmdbuf,"ECHO",4)) {
1319 cmd_echo(&cmdbuf[5]);
1322 else if (!strncasecmp(cmdbuf,"OIMG",4)) {
1323 cmd_oimg(&cmdbuf[5]);
1326 else if (!strncasecmp(cmdbuf,"MORE",4)) {
1330 else if (!strncasecmp(cmdbuf,"NDOP",4)) {
1331 cmd_ndop(&cmdbuf[5]);
1334 else if (!strncasecmp(cmdbuf,"NUOP",4)) {
1335 cmd_nuop(&cmdbuf[5]);
1338 else if (!strncasecmp(cmdbuf,"LFLR",4)) {
1342 else if (!strncasecmp(cmdbuf,"CFLR",4)) {
1343 cmd_cflr(&cmdbuf[5]);
1346 else if (!strncasecmp(cmdbuf,"KFLR",4)) {
1347 cmd_kflr(&cmdbuf[5]);
1350 else if (!strncasecmp(cmdbuf,"EFLR",4)) {
1351 cmd_eflr(&cmdbuf[5]);
1354 else if (!strncasecmp(cmdbuf,"IDEN",4)) {
1355 cmd_iden(&cmdbuf[5]);
1358 else if (!strncasecmp(cmdbuf,"IPGM",4)) {
1359 cmd_ipgm(&cmdbuf[5]);
1362 else if (!strncasecmp(cmdbuf,"TERM",4)) {
1363 cmd_term(&cmdbuf[5]);
1366 else if (!strncasecmp(cmdbuf,"DOWN",4)) {
1367 cmd_down(&cmdbuf[5]);
1370 else if (!strncasecmp(cmdbuf,"HALT",4)) {
1374 else if (!strncasecmp(cmdbuf,"SCDN",4)) {
1375 cmd_scdn(&cmdbuf[5]);
1378 else if (!strncasecmp(cmdbuf, "UIMG", 4)) {
1379 cmd_uimg(&cmdbuf[5]);
1382 else if (!strncasecmp(cmdbuf, "TIME", 4)) {
1386 else if (!strncasecmp(cmdbuf, "AGUP", 4)) {
1387 cmd_agup(&cmdbuf[5]);
1390 else if (!strncasecmp(cmdbuf, "ASUP", 4)) {
1391 cmd_asup(&cmdbuf[5]);
1394 else if (!strncasecmp(cmdbuf, "GPEX", 4)) {
1395 cmd_gpex(&cmdbuf[5]);
1398 else if (!strncasecmp(cmdbuf, "SPEX", 4)) {
1399 cmd_spex(&cmdbuf[5]);
1402 else if (!strncasecmp(cmdbuf, "CONF", 4)) {
1403 cmd_conf(&cmdbuf[5]);
1406 else if (!strncasecmp(cmdbuf, "SEEN", 4)) {
1407 cmd_seen(&cmdbuf[5]);
1410 else if (!strncasecmp(cmdbuf, "GTSN", 4)) {
1411 cmd_gtsn(&cmdbuf[5]);
1414 else if (!strncasecmp(cmdbuf, "VIEW", 4)) {
1415 cmd_view(&cmdbuf[5]);
1418 else if (!strncasecmp(cmdbuf, "ISME", 4)) {
1419 cmd_isme(&cmdbuf[5]);
1422 else if (!strncasecmp(cmdbuf, "RENU", 4)) {
1423 cmd_renu(&cmdbuf[5]);
1426 else if (!DLoader_Exec_Cmd(cmdbuf)) {
1427 cprintf("%d Unrecognized or unsupported command.\n", ERROR + CMD_NOT_SUPPORTED);
1432 /* Run any after-each-command routines registered by modules */
1433 PerformSessionHooks(EVT_CMD);
1434 CtdlThreadName(old_name);
1439 * This loop performs all asynchronous functions.
1441 void do_async_loop(void) {
1442 PerformSessionHooks(EVT_ASYNC);