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"
61 #include "svn_revision.h"
67 #include "ctdl_module.h"
70 struct CitContext *ContextList = NULL;
71 struct CitContext* next_session = NULL;
72 char *unique_session_numbers;
73 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 CtdlLogPrintf(1, "%s\n", strings[i]);
94 CtdlLogPrintf(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 CtdlLogPrintf(1, "%s\n", strings[i]);
117 CtdlLogPrintf(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 CtdlLogPrintf(CTDL_DEBUG, "master_startup() started\n");
134 time(&server_startup_time);
136 CtdlLogPrintf(CTDL_INFO, "Opening databases\n");
139 ctdl_thread_internal_init_tsd();
141 CtdlThreadAllocTSD();
145 CtdlLogPrintf(CTDL_INFO, "Creating base rooms (if necessary)\n");
146 create_room(config.c_baseroom, 0, "", 0, 1, 0, VIEW_BBS);
147 create_room(AIDEROOM, 3, "", 0, 1, 0, VIEW_BBS);
148 create_room(SYSCONFIGROOM, 3, "", 0, 1, 0, VIEW_BBS);
149 create_room(config.c_twitroom, 0, "", 0, 1, 0, VIEW_BBS);
151 /* The "Local System Configuration" room doesn't need to be visible */
152 if (lgetroom(&qrbuf, SYSCONFIGROOM) == 0) {
153 qrbuf.QRflags2 |= QR2_SYSTEM;
157 /* Aide needs to be public postable, else we're not RFC conformant. */
158 if (lgetroom(&qrbuf, AIDEROOM) == 0) {
159 qrbuf.QRflags2 |= QR2_SMTP_PUBLIC;
163 CtdlLogPrintf(CTDL_INFO, "Seeding the pseudo-random number generator...\n");
164 urandom = fopen("/dev/urandom", "r");
165 if (urandom != NULL) {
166 fread(&seed, sizeof seed, 1, urandom);
170 gettimeofday(&tv, NULL);
176 CtdlLogPrintf(CTDL_INFO, "Initializing ipgm secret\n");
178 config.c_ipgm_secret = rand();
181 CtdlLogPrintf(CTDL_DEBUG, "master_startup() finished\n");
186 * Cleanup routine to be called when the server is shutting down.
188 void master_cleanup(int exitcode) {
189 struct CleanupFunctionHook *fcn;
190 static int already_cleaning_up = 0;
192 if (already_cleaning_up) while(1) sleep(1);
193 already_cleaning_up = 1;
195 /* Run any cleanup routines registered by loadable modules */
196 for (fcn = CleanupHookTable; fcn != NULL; fcn = fcn->next) {
197 (*fcn->h_function_pointer)();
200 /* Close the AdjRefCount queue file */
203 /* Do system-dependent stuff */
204 sysdep_master_cleanup();
206 /* Close databases */
207 CtdlLogPrintf(CTDL_INFO, "Closing databases\n");
210 #ifdef DEBUG_MEMORY_LEAKS
214 /* If the operator requested a halt but not an exit, halt here. */
215 if (shutdown_and_halt) {
216 CtdlLogPrintf(CTDL_NOTICE, "citserver: Halting server without exiting.\n");
217 fflush(stdout); fflush(stderr);
226 CtdlLogPrintf(CTDL_NOTICE, "citserver: Exiting with status %d\n", exitcode);
227 fflush(stdout); fflush(stderr);
229 if (restart_server != 0)
231 if ((running_as_daemon != 0) && (exitcode == 0))
232 exitcode = CTDLEXIT_SHUTDOWN;
239 * Terminate a session.
241 void RemoveContext (struct CitContext *con)
244 CtdlLogPrintf(CTDL_ERR,
245 "WARNING: RemoveContext() called with NULL!\n");
248 CtdlLogPrintf(CTDL_DEBUG, "RemoveContext() session %d\n", con->cs_pid);
250 /* Run any cleanup routines registered by loadable modules.
251 * Note: We have to "become_session()" because the cleanup functions
252 * might make references to "CC" assuming it's the right one.
256 PerformSessionHooks(EVT_STOP);
257 become_session(NULL);
259 CtdlLogPrintf(CTDL_NOTICE, "[%3d] Session ended.\n", con->cs_pid);
261 /* If the client is still connected, blow 'em away. */
262 CtdlLogPrintf(CTDL_DEBUG, "Closing socket %d\n", con->client_socket);
263 close(con->client_socket);
265 CtdlLogPrintf(CTDL_DEBUG, "Done with RemoveContext()\n");
273 * cmd_info() - tell the client about this server
275 void cmd_info(void) {
276 cprintf("%d Server info:\n", LISTING_FOLLOWS);
277 cprintf("%d\n", CC->cs_pid);
278 cprintf("%s\n", config.c_nodename);
279 cprintf("%s\n", config.c_humannode);
280 cprintf("%s\n", config.c_fqdn);
281 cprintf("%s\n", CITADEL);
282 cprintf("%d\n", REV_LEVEL);
283 cprintf("%s\n", config.c_site_location);
284 cprintf("%s\n", config.c_sysadm);
285 cprintf("%d\n", SERVER_TYPE);
286 cprintf("%s\n", config.c_moreprompt);
287 cprintf("1\n"); /* 1 = yes, this system supports floors */
288 cprintf("1\n"); /* 1 = we support the extended paging options */
289 cprintf("%s\n", CC->cs_nonce);
290 cprintf("1\n"); /* 1 = yes, this system supports the QNOP command */
293 cprintf("1\n"); /* 1 = yes, this server is LDAP-enabled */
295 cprintf("0\n"); /* 1 = no, this server is not LDAP-enabled */
298 if (config.c_auth_mode == AUTHMODE_NATIVE) {
299 cprintf("%d\n", config.c_disable_newu);
302 cprintf("1\n"); /* "create new user" does not work with non-native auth modes */
305 cprintf("%s\n", config.c_default_cal_zone);
307 /* Output load averages */
308 cprintf("%f\n", CtdlThreadLoadAvg);
309 cprintf("%f\n", CtdlThreadWorkerAvg);
310 cprintf("%d\n", CtdlThreadGetCount());
312 cprintf("1\n"); /* yes, Sieve mail filtering is supported */
313 cprintf("%d\n", config.c_enable_fulltext);
314 cprintf("%s\n", svn_revision());
316 if (config.c_auth_mode == AUTHMODE_NATIVE) {
317 cprintf("1\n"); /* OpenID is enabled when using native auth */
320 cprintf("0\n"); /* OpenID is disabled when using non-native auth */
328 * returns an asterisk if there are any instant messages waiting,
331 char CtdlCheckExpress(void) {
332 if (CC->FirstExpressMessage == NULL) {
346 localtime_r(&tv, &tmp);
348 /* timezone and daylight global variables are not portable. */
349 #ifdef HAVE_STRUCT_TM_TM_GMTOFF
350 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, tmp.tm_gmtoff, tmp.tm_isdst);
352 cprintf("%d %ld|%ld|%d\n", CIT_OK, (long)tv, timezone, tmp.tm_isdst);
358 * Check originating host against the public_clients file. This determines
359 * whether the client is allowed to change the hostname for this session
360 * (for example, to show the location of the user rather than the location
363 int is_public_client(void)
369 char *public_clientspos;
370 char *public_clientsend;
373 static time_t pc_timestamp = 0;
374 static char public_clients[SIZ];
375 static char public_clients_file[SIZ];
377 #define LOCALHOSTSTR "127.0.0.1"
379 snprintf(public_clients_file,
380 sizeof public_clients_file,
385 * Check the time stamp on the public_clients file. If it's been
386 * updated since the last time we were here (or if this is the first
387 * time we've been through the loop), read its contents and learn
388 * the IP addresses of the listed hosts.
390 if (stat(public_clients_file, &statbuf) != 0) {
391 /* No public_clients file exists, so bail out */
392 CtdlLogPrintf(CTDL_WARNING, "Warning: '%s' does not exist\n",
393 public_clients_file);
397 if (statbuf.st_mtime > pc_timestamp) {
398 begin_critical_section(S_PUBLIC_CLIENTS);
399 CtdlLogPrintf(CTDL_INFO, "Loading %s\n", public_clients_file);
401 public_clientspos = &public_clients[0];
402 public_clientsend = public_clientspos + SIZ;
403 safestrncpy(public_clientspos, LOCALHOSTSTR, sizeof public_clients);
404 public_clientspos += sizeof(LOCALHOSTSTR) - 1;
406 if (hostname_to_dotted_quad(addrbuf, config.c_fqdn) == 0) {
407 *(public_clientspos++) = '|';
409 while (!IsEmptyStr (paddr) &&
410 (public_clientspos < public_clientsend))
411 *(public_clientspos++) = *(paddr++);
414 fp = fopen(public_clients_file, "r");
416 while ((fgets(buf, sizeof buf, fp)!=NULL) &&
417 (public_clientspos < public_clientsend)){
420 while (!IsEmptyStr(ptr)) {
428 while (ptr>buf && isspace(*ptr)) {
431 if (hostname_to_dotted_quad(addrbuf, buf) == 0) {
432 *(public_clientspos++) = '|';
434 while (!IsEmptyStr(paddr) &&
435 (public_clientspos < public_clientsend)){
436 *(public_clientspos++) = *(paddr++);
441 pc_timestamp = time(NULL);
442 end_critical_section(S_PUBLIC_CLIENTS);
445 CtdlLogPrintf(CTDL_DEBUG, "Checking whether %s is a local or public client\n",
447 for (i=0; i<num_parms(public_clients); ++i) {
448 extract_token(addrbuf, public_clients, i, '|', sizeof addrbuf);
449 if (!strcasecmp(CC->cs_addr, addrbuf)) {
450 CtdlLogPrintf(CTDL_DEBUG, "... yes it is.\n");
455 /* No hits. This is not a public client. */
456 CtdlLogPrintf(CTDL_DEBUG, "... no it isn't.\n");
462 * the client is identifying itself to the server
464 void cmd_iden(char *argbuf)
474 if (num_parms(argbuf)<4) {
475 cprintf("%d usage error\n", ERROR + ILLEGAL_VALUE);
479 dev_code = extract_int(argbuf,0);
480 cli_code = extract_int(argbuf,1);
481 rev_level = extract_int(argbuf,2);
482 extract_token(desc, argbuf, 3, '|', sizeof desc);
484 safestrncpy(from_host, config.c_fqdn, sizeof from_host);
485 from_host[sizeof from_host - 1] = 0;
486 if (num_parms(argbuf)>=5) extract_token(from_host, argbuf, 4, '|', sizeof from_host);
488 CC->cs_clientdev = dev_code;
489 CC->cs_clienttyp = cli_code;
490 CC->cs_clientver = rev_level;
491 safestrncpy(CC->cs_clientname, desc, sizeof CC->cs_clientname);
492 CC->cs_clientname[31] = 0;
494 if (!IsEmptyStr(from_host)) {
495 if (CC->is_local_socket) do_lookup = 1;
496 else if (is_public_client()) do_lookup = 1;
500 CtdlLogPrintf(CTDL_DEBUG, "Looking up hostname '%s'\n", from_host);
501 if ((addr.s_addr = inet_addr(from_host)) != -1) {
502 locate_host(CC->cs_host, sizeof CC->cs_host,
503 CC->cs_addr, sizeof CC->cs_addr,
507 safestrncpy(CC->cs_host, from_host, sizeof CC->cs_host);
508 CC->cs_host[sizeof CC->cs_host - 1] = 0;
512 CtdlLogPrintf(CTDL_NOTICE, "Client %d/%d/%01d.%02d (%s) from %s\n",
519 cprintf("%d Ok\n",CIT_OK);
524 * display system messages or help
526 void cmd_mesg(char *mname)
536 extract_token(buf, mname, 0, '|', sizeof buf);
538 dirs[0] = strdup(ctdl_message_dir);
539 dirs[1] = strdup(ctdl_hlp_dir);
541 snprintf(buf2, sizeof buf2, "%s.%d.%d",
542 buf, CC->cs_clientdev, CC->cs_clienttyp);
544 /* If the client requested "?" then produce a listing */
545 if (!strcmp(buf, "?")) {
546 cprintf("%d %s\n", LISTING_FOLLOWS, buf);
547 dp = opendir(dirs[1]);
549 while (d = readdir(dp), d != NULL) {
550 if (d->d_name[0] != '.') {
551 cprintf(" %s\n", d->d_name);
562 /* Otherwise, look for the requested file by name. */
564 mesg_locate(targ, sizeof targ, buf2, 2, (const char **)dirs);
565 if (IsEmptyStr(targ)) {
566 snprintf(buf2, sizeof buf2, "%s.%d",
567 buf, CC->cs_clientdev);
568 mesg_locate(targ, sizeof targ, buf2, 2,
569 (const char **)dirs);
570 if (IsEmptyStr(targ)) {
571 mesg_locate(targ, sizeof targ, buf, 2,
572 (const char **)dirs);
580 if (IsEmptyStr(targ)) {
581 cprintf("%d '%s' not found. (Searching in %s and %s)\n",
582 ERROR + FILE_NOT_FOUND,
590 mfp = fopen(targ, "r");
592 cprintf("%d Cannot open '%s': %s\n",
593 ERROR + INTERNAL_ERROR, targ, strerror(errno));
596 cprintf("%d %s\n", LISTING_FOLLOWS,buf);
598 while (fgets(buf, (sizeof buf - 1), mfp) != NULL) {
599 buf[strlen(buf)-1] = 0;
610 * enter system messages or help
612 void cmd_emsg(char *mname)
622 if (CtdlAccessCheck(ac_aide)) return;
624 extract_token(buf, mname, 0, '|', sizeof buf);
625 for (a=0; !IsEmptyStr(&buf[a]); ++a) { /* security measure */
626 if (buf[a] == '/') buf[a] = '.';
629 dirs[0] = strdup(ctdl_message_dir);
630 dirs[1] = strdup(ctdl_hlp_dir);
632 mesg_locate(targ, sizeof targ, buf, 2, (const char**)dirs);
636 if (IsEmptyStr(targ)) {
637 snprintf(targ, sizeof targ,
642 mfp = fopen(targ,"w");
644 cprintf("%d Cannot open '%s': %s\n",
645 ERROR + INTERNAL_ERROR, targ, strerror(errno));
648 cprintf("%d %s\n", SEND_LISTING, targ);
650 while (client_getln(buf, sizeof buf) >=0 && strcmp(buf, "000")) {
651 fprintf(mfp, "%s\n", buf);
658 /* Don't show the names of private rooms unless the viewing
659 * user also knows the rooms.
661 void GenerateRoomDisplay(char *real_room,
662 struct CitContext *viewed,
663 struct CitContext *viewer) {
667 strcpy(real_room, viewed->room.QRname);
668 if (viewed->room.QRflags & QR_MAILBOX) {
669 strcpy(real_room, &real_room[11]);
671 if (viewed->room.QRflags & QR_PRIVATE) {
672 CtdlRoomAccess(&viewed->room, &viewer->user, &ra, NULL);
673 if ( (ra & UA_KNOWN) == 0) {
674 strcpy(real_room, "<private room>");
678 if (viewed->cs_flags & CS_CHAT) {
679 while (strlen(real_room) < 14) {
680 strcat(real_room, " ");
682 strcpy(&real_room[14], "<chat>");
688 * Convenience function.
690 int CtdlAccessCheck(int required_level) {
692 if (CC->internal_pgm) return(0);
693 if (required_level >= ac_internal) {
694 cprintf("%d This is not a user-level command.\n",
695 ERROR + HIGHER_ACCESS_REQUIRED);
699 if ((required_level >= ac_logged_in) && (CC->logged_in == 0)) {
700 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
704 if (CC->user.axlevel >= 6) return(0);
705 if (required_level >= ac_aide) {
706 cprintf("%d This command requires Aide access.\n",
707 ERROR + HIGHER_ACCESS_REQUIRED);
711 if (is_room_aide()) return(0);
712 if (required_level >= ac_room_aide) {
713 cprintf("%d This command requires Aide or Room Aide access.\n",
714 ERROR + HIGHER_ACCESS_REQUIRED);
718 /* shhh ... succeed quietly */
725 * Terminate another running session
727 void cmd_term(char *cmdbuf)
730 struct CitContext *ccptr;
734 session_num = extract_int(cmdbuf, 0);
735 if (session_num == CC->cs_pid) {
736 cprintf("%d You can't kill your own session.\n", ERROR + ILLEGAL_VALUE);
740 CtdlLogPrintf(CTDL_DEBUG, "Locating session to kill\n");
741 begin_critical_section(S_SESSION_TABLE);
742 for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
743 if (session_num == ccptr->cs_pid) {
745 if ((ccptr->user.usernum == CC->user.usernum)
746 || (CC->user.axlevel >= 6)) {
755 end_critical_section(S_SESSION_TABLE);
759 cprintf("%d Session terminated.\n", CIT_OK);
762 cprintf("%d You are not allowed to do that.\n",
763 ERROR + HIGHER_ACCESS_REQUIRED);
767 cprintf("%d No such session.\n", ERROR + ILLEGAL_VALUE);
776 * get the paginator prompt
778 void cmd_more(void) {
779 cprintf("%d %s\n", CIT_OK, config.c_moreprompt);
785 void cmd_echo(char *etext)
787 cprintf("%d %s\n", CIT_OK, etext);
793 * identify as internal program
795 void cmd_ipgm(char *argbuf)
799 secret = extract_int(argbuf, 0);
801 /* For security reasons, we do NOT allow this command to run
802 * over the network. Local sockets only.
804 if (!CC->is_local_socket) {
806 cprintf("%d Authentication failed.\n",
807 ERROR + PASSWORD_REQUIRED);
809 else if (secret == config.c_ipgm_secret) {
810 CC->internal_pgm = 1;
811 strcpy(CC->curr_user, "<internal program>");
812 CC->cs_flags = CC->cs_flags|CS_STEALTH;
813 cprintf("%d Authenticated as an internal program.\n", CIT_OK);
817 cprintf("%d Authentication failed.\n",
818 ERROR + PASSWORD_REQUIRED);
819 CtdlLogPrintf(CTDL_ERR, "Warning: ipgm authentication failed.\n");
826 * Shut down the server
828 void cmd_down(char *argbuf) {
829 char *Reply ="%d Shutting down server. Goodbye.\n";
831 if (CtdlAccessCheck(ac_aide)) return;
833 if (!IsEmptyStr(argbuf))
836 restart_server = extract_int(argbuf, 0);
838 if (restart_server > 0)
840 Reply = "%d citserver will now shut down and automatically restart.\n";
842 if ((restart_server > 0) && !running_as_daemon)
844 CtdlLogPrintf(CTDL_ERR, "The user requested restart, but not running as daemon! Geronimooooooo!\n");
845 Reply = "%d Warning: citserver is not running in daemon mode and is therefore unlikely to restart automatically.\n";
848 cprintf(Reply, state);
852 cprintf(Reply, CIT_OK + SERVER_SHUTTING_DOWN);
858 * Halt the server without exiting the server process.
860 void cmd_halt(void) {
862 if (CtdlAccessCheck(ac_aide)) return;
864 cprintf("%d Halting server. Goodbye.\n", CIT_OK);
866 shutdown_and_halt = 1;
870 * Schedule or cancel a server shutdown
872 void cmd_scdn(char *argbuf)
876 char *Reply = "%d %d\n";
878 if (CtdlAccessCheck(ac_aide)) return;
880 new_state = extract_int(argbuf, 0);
881 if ((new_state == 2) || (new_state == 3))
884 if (!running_as_daemon)
886 CtdlLogPrintf(CTDL_ERR, "The user requested restart, but not running as deamon! Geronimooooooo!\n");
887 Reply = "%d %d Warning, not running in deamon mode. maybe we will come up again, but don't lean on it.\n";
891 restart_server = extract_int(argbuf, 0);
894 if ((new_state == 0) || (new_state == 1)) {
895 ScheduledShutdown = new_state;
897 cprintf(Reply, state, ScheduledShutdown);
902 * Set or unset asynchronous protocol mode
904 void cmd_asyn(char *argbuf)
908 new_state = extract_int(argbuf, 0);
909 if ((new_state == 0) || (new_state == 1)) {
910 CC->is_async = new_state;
912 cprintf("%d %d\n", CIT_OK, CC->is_async);
917 * Generate a "nonce" for APOP-style authentication.
919 * RFC 1725 et al specify a PID to be placed in front of the nonce.
920 * Quoth BTX: That would be stupid.
922 void generate_nonce(struct CitContext *con) {
925 memset(con->cs_nonce, NONCE_SIZE, 0);
926 gettimeofday(&tv, NULL);
927 memset(con->cs_nonce, NONCE_SIZE, 0);
928 snprintf(con->cs_nonce, NONCE_SIZE, "<%d%ld@%s>",
929 rand(), (long)tv.tv_usec, config.c_fqdn);
936 * Back-end function for starting a session
938 void begin_session(struct CitContext *con)
941 struct sockaddr_in sin;
944 * Initialize some variables specific to our context.
947 con->internal_pgm = 0;
948 con->download_fp = NULL;
949 con->upload_fp = NULL;
950 con->FirstExpressMessage = NULL;
952 time(&con->lastidle);
953 strcpy(con->lastcmdname, " ");
954 strcpy(con->cs_clientname, "(unknown)");
955 strcpy(con->curr_user, NLI);
956 *con->net_node = '\0';
957 *con->fake_username = '\0';
958 *con->fake_hostname = '\0';
959 *con->fake_roomname = '\0';
961 safestrncpy(con->cs_host, config.c_fqdn, sizeof con->cs_host);
962 safestrncpy(con->cs_addr, "", sizeof con->cs_addr);
963 con->cs_host[sizeof con->cs_host - 1] = 0;
965 if (!CC->is_local_socket) {
966 if (!getpeername(con->client_socket, (struct sockaddr *) &sin, &len)) {
967 locate_host(con->cs_host, sizeof con->cs_host,
968 con->cs_addr, sizeof con->cs_addr,
974 strcpy(con->cs_host, "");
977 con->upload_type = UPL_FILE;
981 if (((config.c_maxsessions > 0)&&(num_sessions > config.c_maxsessions)) || CtdlWantSingleUser()) {
985 if (!CC->is_local_socket) {
986 CtdlLogPrintf(CTDL_NOTICE, "Session started from %s [%s].\n", con->cs_host, con->cs_addr);
989 CtdlLogPrintf(CTDL_NOTICE, "Session started via local socket.\n");
992 /* Run any session startup routines registered by loadable modules */
993 PerformSessionHooks(EVT_START);
997 void citproto_begin_session() {
998 if (CC->nologin==1) {
999 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
1000 ERROR + MAX_SESSIONS_EXCEEDED,
1001 config.c_nodename, config.c_maxsessions
1006 cprintf("%d %s Citadel server ready.\n",
1007 CIT_OK, config.c_nodename);
1015 * This loop recognizes all server commands.
1017 void do_command_loop(void) {
1019 const char *old_name = NULL;
1021 old_name = CtdlThreadName("do_command_loop");
1024 memset(cmdbuf, 0, sizeof cmdbuf); /* Clear it, just in case */
1025 if (client_getln(cmdbuf, sizeof cmdbuf) < 1) {
1026 CtdlLogPrintf(CTDL_ERR, "Client disconnected: ending session.\n");
1028 CtdlThreadName(old_name);
1032 /* Log the server command, but don't show passwords... */
1033 if ( (strncasecmp(cmdbuf, "PASS", 4))
1034 && (strncasecmp(cmdbuf, "SETP", 4)) ) {
1035 CtdlLogPrintf(CTDL_INFO, "%s\n", cmdbuf);
1038 CtdlLogPrintf(CTDL_INFO, "<password command sent>\n");
1044 * Let other clients see the last command we executed, and
1045 * update the idle time, but not NOOP, QNOP, PEXP, GEXP, RWHO, or TIME.
1047 if ( (strncasecmp(cmdbuf, "NOOP", 4))
1048 && (strncasecmp(cmdbuf, "QNOP", 4))
1049 && (strncasecmp(cmdbuf, "PEXP", 4))
1050 && (strncasecmp(cmdbuf, "GEXP", 4))
1051 && (strncasecmp(cmdbuf, "RWHO", 4))
1052 && (strncasecmp(cmdbuf, "TIME", 4)) ) {
1053 strcpy(CC->lastcmdname, " ");
1054 safestrncpy(CC->lastcmdname, cmdbuf, sizeof(CC->lastcmdname));
1055 time(&CC->lastidle);
1058 CtdlThreadName(cmdbuf);
1060 if ((strncasecmp(cmdbuf, "ENT0", 4))
1061 && (strncasecmp(cmdbuf, "MESG", 4))
1062 && (strncasecmp(cmdbuf, "MSGS", 4)))
1064 CC->cs_flags &= ~CS_POSTING;
1067 if (!strncasecmp(cmdbuf, "NOOP", 4)) {
1068 cprintf("%d%cok\n", CIT_OK, CtdlCheckExpress() );
1071 else if (!strncasecmp(cmdbuf, "XYZZY", 5)) {
1072 cprintf("%d Nothing happens.\n", CIT_OK);
1075 else if (!strncasecmp(cmdbuf, "QNOP", 4)) {
1076 /* do nothing, this command returns no response */
1079 else if (!strncasecmp(cmdbuf,"QUIT",4)) {
1080 cprintf("%d Goodbye.\n", CIT_OK);
1084 else if (!strncasecmp(cmdbuf,"ASYN",4)) {
1085 cmd_asyn(&cmdbuf[5]);
1088 else if (!strncasecmp(cmdbuf,"LOUT",4)) {
1089 if (CC->logged_in) logout();
1090 cprintf("%d logged out.\n", CIT_OK);
1093 else if (!strncasecmp(cmdbuf,"USER",4)) {
1094 cmd_user(&cmdbuf[5]);
1097 else if (!strncasecmp(cmdbuf,"PASS",4)) {
1098 cmd_pass(&cmdbuf[5]);
1101 else if (!strncasecmp(cmdbuf,"NEWU",4)) {
1102 cmd_newu(&cmdbuf[5]);
1105 else if (!strncasecmp(cmdbuf,"CREU",4)) {
1106 cmd_creu(&cmdbuf[5]);
1109 else if (!strncasecmp(cmdbuf,"SETP",4)) {
1110 cmd_setp(&cmdbuf[5]);
1113 else if (!strncasecmp(cmdbuf,"LRMS",4)) {
1114 cmd_lrms(&cmdbuf[5]);
1117 else if (!strncasecmp(cmdbuf,"LKRA",4)) {
1118 cmd_lkra(&cmdbuf[5]);
1121 else if (!strncasecmp(cmdbuf,"LKRN",4)) {
1122 cmd_lkrn(&cmdbuf[5]);
1125 else if (!strncasecmp(cmdbuf,"LKRO",4)) {
1126 cmd_lkro(&cmdbuf[5]);
1129 else if (!strncasecmp(cmdbuf,"LZRM",4)) {
1130 cmd_lzrm(&cmdbuf[5]);
1133 else if (!strncasecmp(cmdbuf,"LPRM",4)) {
1134 cmd_lprm(&cmdbuf[5]);
1137 else if (!strncasecmp(cmdbuf,"GETU",4)) {
1141 else if (!strncasecmp(cmdbuf,"SETU",4)) {
1142 cmd_setu(&cmdbuf[5]);
1145 else if (!strncasecmp(cmdbuf,"GOTO",4)) {
1146 cmd_goto(&cmdbuf[5]);
1149 else if (!strncasecmp(cmdbuf,"MSGS",4)) {
1150 cmd_msgs(&cmdbuf[5]);
1153 else if (!strncasecmp(cmdbuf,"WHOK",4)) {
1157 else if (!strncasecmp(cmdbuf,"RDIR",4)) {
1161 else if (!strncasecmp(cmdbuf,"EUID",4)) {
1162 cmd_euid(&cmdbuf[5]);
1165 else if (!strncasecmp(cmdbuf,"MSG0",4)) {
1166 cmd_msg0(&cmdbuf[5]);
1169 else if (!strncasecmp(cmdbuf,"MSG2",4)) {
1170 cmd_msg2(&cmdbuf[5]);
1173 else if (!strncasecmp(cmdbuf,"MSG3",4)) {
1174 cmd_msg3(&cmdbuf[5]);
1177 else if (!strncasecmp(cmdbuf,"MSG4",4)) {
1178 cmd_msg4(&cmdbuf[5]);
1181 else if (!strncasecmp(cmdbuf,"MSGP",4)) {
1182 cmd_msgp(&cmdbuf[5]);
1185 else if (!strncasecmp(cmdbuf,"OPNA",4)) {
1186 cmd_opna(&cmdbuf[5]);
1189 else if (!strncasecmp(cmdbuf,"DLAT",4)) {
1190 cmd_dlat(&cmdbuf[5]);
1193 else if (!strncasecmp(cmdbuf,"INFO",4)) {
1197 else if (!strncasecmp(cmdbuf,"SLRP",4)) {
1198 cmd_slrp(&cmdbuf[5]);
1201 else if (!strncasecmp(cmdbuf,"INVT",4)) {
1202 cmd_invt_kick(&cmdbuf[5],1);
1205 else if (!strncasecmp(cmdbuf,"KICK",4)) {
1206 cmd_invt_kick(&cmdbuf[5],0);
1209 else if (!strncasecmp(cmdbuf,"GETR",4)) {
1213 else if (!strncasecmp(cmdbuf,"SETR",4)) {
1214 cmd_setr(&cmdbuf[5]);
1217 else if (!strncasecmp(cmdbuf,"GETA",4)) {
1221 else if (!strncasecmp(cmdbuf,"SETA",4)) {
1222 cmd_seta(&cmdbuf[5]);
1225 else if (!strncasecmp(cmdbuf,"ENT0",4)) {
1226 cmd_ent0(&cmdbuf[5]);
1229 else if (!strncasecmp(cmdbuf,"RINF",4)) {
1233 else if (!strncasecmp(cmdbuf,"DELE",4)) {
1234 cmd_dele(&cmdbuf[5]);
1237 else if (!strncasecmp(cmdbuf,"KILL",4)) {
1238 cmd_kill(&cmdbuf[5]);
1241 else if (!strncasecmp(cmdbuf,"CRE8",4)) {
1242 cmd_cre8(&cmdbuf[5]);
1245 else if (!strncasecmp(cmdbuf,"MOVE",4)) {
1246 cmd_move(&cmdbuf[5]);
1249 else if (!strncasecmp(cmdbuf,"FORG",4)) {
1253 else if (!strncasecmp(cmdbuf,"MESG",4)) {
1254 cmd_mesg(&cmdbuf[5]);
1257 else if (!strncasecmp(cmdbuf,"EMSG",4)) {
1258 cmd_emsg(&cmdbuf[5]);
1261 else if (!strncasecmp(cmdbuf,"GNUR",4)) {
1265 else if (!strncasecmp(cmdbuf,"VALI",4)) {
1266 cmd_vali(&cmdbuf[5]);
1269 else if (!strncasecmp(cmdbuf,"EINF",4)) {
1270 cmd_einf(&cmdbuf[5]);
1273 else if (!strncasecmp(cmdbuf,"LIST",4)) {
1274 cmd_list(&cmdbuf[5]);
1277 else if (!strncasecmp(cmdbuf,"CHEK",4)) {
1281 else if (!strncasecmp(cmdbuf,"DELF",4)) {
1282 cmd_delf(&cmdbuf[5]);
1285 else if (!strncasecmp(cmdbuf,"MOVF",4)) {
1286 cmd_movf(&cmdbuf[5]);
1289 else if (!strncasecmp(cmdbuf,"OPEN",4)) {
1290 cmd_open(&cmdbuf[5]);
1293 else if (!strncasecmp(cmdbuf,"CLOS",4)) {
1297 else if (!strncasecmp(cmdbuf,"UOPN",4)) {
1298 cmd_uopn(&cmdbuf[5]);
1301 else if (!strncasecmp(cmdbuf,"UCLS",4)) {
1302 cmd_ucls(&cmdbuf[5]);
1305 else if (!strncasecmp(cmdbuf,"READ",4)) {
1306 cmd_read(&cmdbuf[5]);
1309 else if (!strncasecmp(cmdbuf,"WRIT",4)) {
1310 cmd_writ(&cmdbuf[5]);
1313 else if (!strncasecmp(cmdbuf,"QUSR",4)) {
1314 cmd_qusr(&cmdbuf[5]);
1317 else if (!strncasecmp(cmdbuf,"ECHO",4)) {
1318 cmd_echo(&cmdbuf[5]);
1321 else if (!strncasecmp(cmdbuf,"OIMG",4)) {
1322 cmd_oimg(&cmdbuf[5]);
1325 else if (!strncasecmp(cmdbuf,"MORE",4)) {
1329 else if (!strncasecmp(cmdbuf,"NDOP",4)) {
1330 cmd_ndop(&cmdbuf[5]);
1333 else if (!strncasecmp(cmdbuf,"NUOP",4)) {
1334 cmd_nuop(&cmdbuf[5]);
1337 else if (!strncasecmp(cmdbuf,"LFLR",4)) {
1341 else if (!strncasecmp(cmdbuf,"CFLR",4)) {
1342 cmd_cflr(&cmdbuf[5]);
1345 else if (!strncasecmp(cmdbuf,"KFLR",4)) {
1346 cmd_kflr(&cmdbuf[5]);
1349 else if (!strncasecmp(cmdbuf,"EFLR",4)) {
1350 cmd_eflr(&cmdbuf[5]);
1353 else if (!strncasecmp(cmdbuf,"IDEN",4)) {
1354 cmd_iden(&cmdbuf[5]);
1357 else if (!strncasecmp(cmdbuf,"IPGM",4)) {
1358 cmd_ipgm(&cmdbuf[5]);
1361 else if (!strncasecmp(cmdbuf,"TERM",4)) {
1362 cmd_term(&cmdbuf[5]);
1365 else if (!strncasecmp(cmdbuf,"DOWN",4)) {
1366 cmd_down(&cmdbuf[5]);
1369 else if (!strncasecmp(cmdbuf,"HALT",4)) {
1373 else if (!strncasecmp(cmdbuf,"SCDN",4)) {
1374 cmd_scdn(&cmdbuf[5]);
1377 else if (!strncasecmp(cmdbuf, "UIMG", 4)) {
1378 cmd_uimg(&cmdbuf[5]);
1381 else if (!strncasecmp(cmdbuf, "TIME", 4)) {
1385 else if (!strncasecmp(cmdbuf, "AGUP", 4)) {
1386 cmd_agup(&cmdbuf[5]);
1389 else if (!strncasecmp(cmdbuf, "ASUP", 4)) {
1390 cmd_asup(&cmdbuf[5]);
1393 else if (!strncasecmp(cmdbuf, "GPEX", 4)) {
1394 cmd_gpex(&cmdbuf[5]);
1397 else if (!strncasecmp(cmdbuf, "SPEX", 4)) {
1398 cmd_spex(&cmdbuf[5]);
1401 else if (!strncasecmp(cmdbuf, "CONF", 4)) {
1402 cmd_conf(&cmdbuf[5]);
1405 else if (!strncasecmp(cmdbuf, "SEEN", 4)) {
1406 cmd_seen(&cmdbuf[5]);
1409 else if (!strncasecmp(cmdbuf, "GTSN", 4)) {
1410 cmd_gtsn(&cmdbuf[5]);
1413 else if (!strncasecmp(cmdbuf, "VIEW", 4)) {
1414 cmd_view(&cmdbuf[5]);
1417 else if (!strncasecmp(cmdbuf, "ISME", 4)) {
1418 cmd_isme(&cmdbuf[5]);
1421 else if (!strncasecmp(cmdbuf, "RENU", 4)) {
1422 cmd_renu(&cmdbuf[5]);
1425 else if (!DLoader_Exec_Cmd(cmdbuf)) {
1426 cprintf("%d Unrecognized or unsupported command.\n", ERROR + CMD_NOT_SUPPORTED);
1431 /* Run any after-each-command routines registered by modules */
1432 PerformSessionHooks(EVT_CMD);
1433 CtdlThreadName(old_name);
1438 * This loop performs all asynchronous functions.
1440 void do_async_loop(void) {
1441 PerformSessionHooks(EVT_ASYNC);