3 * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
13 #include <ac/signal.h>
14 #include <ac/socket.h>
15 #include <ac/string.h>
17 #include <ac/unistd.h>
26 int allow_severity = LOG_INFO;
27 int deny_severity = LOG_NOTICE;
28 #endif /* TCP Wrappers */
32 #endif /* LDAP_PF_LOCAL */
36 ber_socket_t dtblsize;
38 typedef union slap_sockaddr {
39 struct sockaddr sa_addr;
40 struct sockaddr_in sa_in_addr;
42 struct sockaddr_in6 sa_in6_addr;
45 struct sockaddr_un sa_un_addr;
49 typedef struct slap_listener {
57 #define sl_addr sl_sa.sa_in_addr
60 Listener **slap_listeners = NULL;
62 static ber_socket_t wake_sds[2];
66 #define WAKE_LISTENER(w) \
67 ((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
69 #define WAKE_LISTENER(w) \
70 do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
73 #ifdef HAVE_NT_SERVICE_MANAGER
75 extern ldap_pvt_thread_cond_t started_event;
76 extern int is_NT_Service;
82 volatile sig_atomic_t slapd_shutdown = 0;
84 static ldap_pvt_thread_t listener_tid;
86 static struct slap_daemon {
87 ldap_pvt_thread_mutex_t sd_mutex;
92 /* In winsock, accept() returns values higher than dtblsize
93 so don't bother with this optimization */
103 * Add a descriptor to daemon control
105 static void slapd_add(ber_socket_t s) {
106 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
108 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
109 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
110 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
113 if (s >= slap_daemon.sd_nfds) {
114 slap_daemon.sd_nfds = s + 1;
118 FD_SET( s, &slap_daemon.sd_actives );
119 FD_SET( s, &slap_daemon.sd_readers );
121 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
123 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
124 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
126 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
130 * Remove the descriptor from daemon control
132 void slapd_remove(ber_socket_t s, int wake) {
133 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
135 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
137 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
138 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
140 FD_CLR( s, &slap_daemon.sd_actives );
141 FD_CLR( s, &slap_daemon.sd_readers );
142 FD_CLR( s, &slap_daemon.sd_writers );
144 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
148 void slapd_clr_write(ber_socket_t s, int wake) {
149 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
151 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
152 FD_CLR( s, &slap_daemon.sd_writers );
154 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
158 void slapd_set_write(ber_socket_t s, int wake) {
159 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
161 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
162 if (!FD_ISSET(s, &slap_daemon.sd_writers))
163 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
165 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
169 void slapd_clr_read(ber_socket_t s, int wake) {
170 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
172 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
173 FD_CLR( s, &slap_daemon.sd_readers );
175 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
179 void slapd_set_read(ber_socket_t s, int wake) {
180 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
182 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
183 if (!FD_ISSET(s, &slap_daemon.sd_readers))
184 FD_SET( s, &slap_daemon.sd_readers );
186 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
190 static void slapd_close(ber_socket_t s) {
191 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
197 static Listener * open_listener( const char* url )
205 #ifdef HAVE_GETADDRINFO
207 struct addrinfo hints, *res, *sai;
211 rc = ldap_url_parse( url, &lud );
213 if( rc != LDAP_URL_SUCCESS ) {
214 Debug( LDAP_DEBUG_ANY,
215 "daemon: listen URL \"%s\" parse error=%d\n",
221 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
222 Debug( LDAP_DEBUG_ANY,
223 "daemon: TLS not supported (%s)\n",
225 ldap_free_urldesc( lud );
229 if(! lud->lud_port ) {
230 lud->lud_port = LDAP_PORT;
234 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
236 if(! lud->lud_port ) {
237 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
241 #ifdef HAVE_GETADDRINFO
242 memset( &hints, '\0', sizeof(hints) );
243 hints.ai_flags = AI_PASSIVE;
244 hints.ai_family = AF_UNSPEC;
245 hints.ai_socktype = SOCK_STREAM;
247 # ifdef LDAP_PF_LOCAL
248 if ( ldap_pvt_url_scheme2proto(lud->lud_scheme) == LDAP_PROTO_IPC ) {
249 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
250 err = getaddrinfo(NULL, LDAPI_SOCK, &hints, &res);
252 unlink( LDAPI_SOCK );
254 err = getaddrinfo(NULL, lud->lud_host, &hints, &res);
256 unlink( lud->lud_host );
259 # endif /* LDAP_PF_LOCAL */
261 snprintf(serv, sizeof serv, "%d", lud->lud_port);
262 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
263 || strcmp(lud->lud_host, "*") == 0 )
265 err = getaddrinfo(NULL, serv, &hints, &res);
267 err = getaddrinfo(lud->lud_host, serv, &hints, &res);
272 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed\n", 0, 0, 0);
273 ldap_free_urldesc( lud );
277 ldap_free_urldesc( lud );
280 if ( (sai->ai_family != AF_INET)
281 # ifdef LDAP_PF_INET6
282 && (sai->ai_family != AF_INET6)
284 # ifdef LDAP_PF_LOCAL
285 && (sai->ai_family != AF_LOCAL)
289 l.sl_sd = socket( sai->ai_family, sai->ai_socktype, sai->ai_protocol);
290 if ( l.sl_sd == AC_SOCKET_INVALID ) {
291 int err = sock_errno();
292 Debug( LDAP_DEBUG_ANY,
293 "daemon: socket() failed errno=%d (%s)\n", err,
294 sock_errstr(err), 0 );
298 if ( sai->ai_family != AF_LOCAL ) {
301 if ( ldap_pvt_url_scheme2proto(lud->lud_scheme) == LDAP_PROTO_IPC ) {
304 (void) memset( (void *)&l.sl_sa.sa_un_addr, '\0', sizeof(l.sl_sa.sa_un_addr) );
306 l.sl_sa.sa_un_addr.sun_family = AF_LOCAL;
308 /* hack: overload the host to be the path */
309 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
310 strcpy( l.sl_sa.sa_un_addr.sun_path, LDAPI_SOCK );
312 if ( strlen(lud->lud_host) > (sizeof(l.sl_sa.sa_un_addr.sun_path) - 1) ) {
313 Debug( LDAP_DEBUG_ANY,
314 "daemon: domain socket path (%s) too long in URL: %s",
315 lud->lud_host, url, 0);
316 ldap_free_urldesc( lud );
319 strcpy( l.sl_sa.sa_un_addr.sun_path, lud->lud_host );
321 unlink( l.sl_sa.sa_un_addr.sun_path );
323 /* I don't think we need to set this. */
324 l.sl_sa.sa_un_addr.sun_len = sizeof( l.sl_sa.sa_un_addr.sun_len ) +
325 sizeof( l.sl_sa.sa_un_addr.sun_family ) +
326 strlen( l.sl_sa.sa_un_addr.sun_path ) + 1;
329 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
331 ldap_free_urldesc( lud );
333 #endif /* LDAP_PF_LOCAL */
336 port = lud->lud_port;
338 (void) memset( (void*) &l.sl_addr, '\0', sizeof(l.sl_addr) );
340 l.sl_addr.sin_family = AF_INET;
341 l.sl_addr.sin_port = htons( (unsigned short) lud->lud_port );
343 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
344 || strcmp(lud->lud_host, "*") == 0 )
346 l.sl_addr.sin_addr.s_addr = htonl(INADDR_ANY);
349 /* host or address was specified */
350 if( !inet_aton( lud->lud_host, &l.sl_addr.sin_addr ) ) {
351 struct hostent *he = gethostbyname( lud->lud_host );
353 Debug( LDAP_DEBUG_ANY,
354 "daemon: invalid host (%s) in URL: %s",
355 lud->lud_host, url, 0);
356 ldap_free_urldesc( lud );
360 AC_MEMCPY( &l.sl_addr.sin_addr, he->h_addr,
361 sizeof( l.sl_addr.sin_addr ) );
366 ldap_free_urldesc( lud );
368 l.sl_sd = socket( l.sl_sa.sa_addr.sa_family, SOCK_STREAM, 0 );
369 if ( l.sl_sd == AC_SOCKET_INVALID ) {
370 int err = sock_errno();
371 Debug( LDAP_DEBUG_ANY,
372 "daemon: socket() failed errno=%d (%s)\n", err,
373 sock_errstr(err), 0 );
378 if ( l.sl_sd >= dtblsize ) {
379 Debug( LDAP_DEBUG_ANY,
380 "daemon: listener descriptor %ld is too great %ld\n",
381 (long) l.sl_sd, (long) dtblsize, 0 );
382 tcp_close( l.sl_sd );
388 /* for IPv4 and IPv6 sockets only */
389 if ( l.sl_sa.sa_addr.sa_family != AF_LOCAL ) {
390 #endif /* LDAP_PF_LOCAL */
391 #endif /* HAVE_GETADDRINFO */
394 /* enable address reuse */
396 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
397 (char *) &tmp, sizeof(tmp) );
398 if ( rc == AC_SOCKET_ERROR ) {
399 int err = sock_errno();
400 Debug( LDAP_DEBUG_ANY,
401 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
402 (long) l.sl_sd, err, sock_errstr(err) );
406 /* enable keep alives */
408 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_KEEPALIVE,
409 (char *) &tmp, sizeof(tmp) );
410 if ( rc == AC_SOCKET_ERROR ) {
411 int err = sock_errno();
412 Debug( LDAP_DEBUG_ANY,
413 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed errno=%d (%s)\n",
414 (long) l.sl_sd, err, sock_errstr(err) );
418 /* enable no delay */
420 rc = setsockopt( l.sl_sd, IPPROTO_TCP, TCP_NODELAY,
421 (char *)&tmp, sizeof(tmp) );
422 if ( rc == AC_SOCKET_ERROR ) {
423 int err = sock_errno();
424 Debug( LDAP_DEBUG_ANY,
425 "slapd(%ld): setsockopt(TCP_NODELAY) failed errno=%d (%s)\n",
426 (long) l.sl_sd, err, sock_errstr(err) );
430 #ifdef HAVE_GETADDRINFO
431 } /* sai->ai_family != AF_LOCAL */
432 if (!bind(l.sl_sd, sai->ai_addr, sai->ai_addrlen))
435 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
436 (long) l.sl_sd, err, sock_errstr(err) );
437 tcp_close( l.sl_sd );
438 } while ((sai = sai->ai_next) != NULL);
441 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed\n",
442 (long) l.sl_sd, 0, 0 );
446 switch ( sai->ai_family ) {
447 # ifdef LDAP_PF_LOCAL
449 if ( chmod( (char *)sai->ai_addr, S_IRWXU ) < 0 ) {
450 int err = sock_errno();
451 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
452 (long) l.sl_sd, err, sock_errstr(err) );
453 tcp_close( l.sl_sd );
456 l.sl_name = ch_malloc( strlen((char *)sai->ai_addr) + sizeof("PATH=") );
457 sprintf( l.sl_name, "PATH=%s", sai->ai_addr );
459 # endif /* LDAP_PF_LOCAL */
462 char addr[INET_ADDRSTRLEN];
464 &((struct sockaddr_in *)sai->ai_addr)->sin_addr,
465 addr, sizeof(addr) );
466 l.sl_name = ch_malloc( strlen(addr) + strlen(serv) + sizeof("IP=:") );
467 sprintf( l.sl_name, "IP=%s:%s", addr, serv );
470 # ifdef LDAP_PF_INET6
472 char addr[INET6_ADDRSTRLEN];
474 &((struct sockaddr_in6 *)sai->ai_addr)->sin6_addr,
476 l.sl_name = ch_malloc( strlen(addr) + strlen(serv) + sizeof("IP= ") );
477 sprintf( l.sl_name, "IP=%s %s", addr, serv );
479 # endif /* LDAP_PF_INET6 */
482 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
483 (int) sai->ai_family, 0, 0 );
488 /* close conditional */
490 #endif /* LDAP_PF_LOCAL */
492 switch ( l.sl_sa.sa_addr.sa_family ) {
495 rc = bind( l.sl_sd, (struct sockaddr *)&l.sl_sa,
496 sizeof(l.sl_sa.sa_un_addr) );
501 rc = bind( l.sl_sd, (struct sockaddr *)&l.sl_sa,
502 sizeof(l.sl_sa.sa_in_addr) );
506 rc = AC_SOCKET_ERROR;
511 if ( rc == AC_SOCKET_ERROR ) {
512 int err = sock_errno();
513 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
514 (long) l.sl_sd, err, sock_errstr(err) );
515 tcp_close( l.sl_sd );
519 switch ( l.sl_sa.sa_addr.sa_family ) {
522 if ( chmod( l.sl_sa.sa_un_addr.sun_path, S_IRWXU ) < 0 ) {
523 int err = sock_errno();
524 Debug( LDAP_DEBUG_ANY,
525 "daemon: chmod(%ld) failed errno=%d (%s)",
526 (long) l.sl_sd, err, sock_errstr(err) );
527 tcp_close( l.sl_sd );
531 l.sl_name = ch_malloc( strlen(l.sl_sa.sa_un_addr.sun_path)
533 sprintf( l.sl_name, "PATH=%s", l.sl_sa.sa_un_addr.sun_path );
535 #endif /* LDAP_PF_LOCAL */
538 l.sl_name = ch_malloc( sizeof("IP=255.255.255.255:65336") );
539 s = inet_ntoa( l.sl_addr.sin_addr );
540 sprintf( l.sl_name, "IP=%s:%d",
541 s != NULL ? s : "unknown" , port );
545 l.sl_name = ch_strdup( "UNKNOWN" );
549 #endif /* HAVE_GETADDRINFO */
551 l.sl_url = ch_strdup( url );
552 li = ch_malloc( sizeof( Listener ) );
555 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
561 static int sockinit(void);
562 static int sockdestroy(void);
564 int slapd_daemon_init( const char *urls )
569 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
570 urls ? urls : "<null>", 0, 0 );
572 if( (rc = sockinit()) != 0 ) {
577 dtblsize = sysconf( _SC_OPEN_MAX );
578 #elif HAVE_GETDTABLESIZE
579 dtblsize = getdtablesize();
581 dtblsize = FD_SETSIZE;
585 if(dtblsize > FD_SETSIZE) {
586 dtblsize = FD_SETSIZE;
588 #endif /* !FD_SETSIZE */
590 /* open a pipe (or something equivalent connected to itself).
591 * we write a byte on this fd whenever we catch a signal. The main
592 * loop will be select'ing on this socket, and will wake up when
595 if( (rc = lutil_pair( wake_sds )) < 0 ) {
596 Debug( LDAP_DEBUG_ANY,
597 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
601 FD_ZERO( &slap_daemon.sd_readers );
602 FD_ZERO( &slap_daemon.sd_writers );
608 u = str2charray( urls, " " );
610 if( u == NULL || u[0] == NULL ) {
611 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
617 for( i=0; u[i] != NULL; i++ ) {
618 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
623 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
629 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
632 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
634 for(i = 0; u[i] != NULL; i++ ) {
635 slap_listeners[i] = open_listener( u[i] );
637 if( slap_listeners[i] == NULL ) {
642 slap_listeners[i] = NULL;
644 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
648 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
654 slapd_daemon_destroy(void)
656 connections_destroy();
657 tcp_close( wake_sds[1] );
658 tcp_close( wake_sds[0] );
670 time_t last_idle_check = slap_get_time();
673 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
674 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
677 if ( listen( slap_listeners[l]->sl_sd, 5 ) == -1 ) {
678 int err = sock_errno();
679 Debug( LDAP_DEBUG_ANY,
680 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
681 slap_listeners[l]->sl_url, err,
686 slapd_add( slap_listeners[l]->sl_sd );
689 #ifdef HAVE_NT_SERVICE_MANAGER
690 if ( started_event != NULL ) {
691 ldap_pvt_thread_cond_signal( &started_event );
694 /* initialization complete. Here comes the loop. */
696 while ( !slapd_shutdown ) {
701 #define SLAPD_EBADF_LIMIT 16
704 #define SLAPD_IDLE_CHECK_LIMIT 4
705 time_t now = slap_get_time();
712 #if defined(SLAPD_RLOOKUPS)
718 if( global_idletimeout > 0 && difftime(
719 last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT,
722 connections_timeout_idle(now);
725 FD_ZERO( &writefds );
731 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
733 #ifdef FD_SET_MANUAL_COPY
734 for( s = 0; s < nfds; s++ ) {
735 if(FD_ISSET( &slap_sd_readers, s )) {
736 FD_SET( s, &readfds );
738 if(FD_ISSET( &slap_sd_writers, s )) {
739 FD_SET( s, &writefds );
743 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
744 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
746 assert(!FD_ISSET(wake_sds[0], &readfds));
747 FD_SET( wake_sds[0], &readfds );
749 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
750 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
752 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
753 FD_SET( slap_listeners[l]->sl_sd, &readfds );
757 nfds = slap_daemon.sd_nfds;
762 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
764 at = ldap_pvt_thread_pool_backload(&connection_pool);
766 #if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
769 tvp = at ? &zero : NULL;
772 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
773 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
776 Debug( LDAP_DEBUG_CONNS,
777 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
778 slap_listeners[l]->sl_sd, at,
779 tvp == NULL ? "NULL" : "zero" );
782 switch(ns = select( nfds, &readfds,
784 /* don't pass empty fd_set */
785 ( writefds.fd_count > 0 ? &writefds : NULL ),
791 case -1: { /* failure - try again */
792 int err = sock_errno();
796 /* you'd think this would be EBADF */
797 || err == WSAENOTSOCK
800 if (++ebadf < SLAPD_EBADF_LIMIT)
805 Debug( LDAP_DEBUG_CONNS,
806 "daemon: select failed (%d): %s\n",
807 err, sock_errstr(err), 0 );
814 case 0: /* timeout - let threads run */
816 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
818 ldap_pvt_thread_yield();
821 default: /* something happened - deal with it */
823 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
828 if( FD_ISSET( wake_sds[0], &readfds ) ) {
830 tcp_read( wake_sds[0], c, sizeof(c) );
837 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
839 socklen_t len = sizeof(from);
847 char peername[MAXPATHLEN + sizeof("PATH=")];
848 #elif defined(LDAP_PF_INET6)
849 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
851 char peername[sizeof("IP=255.255.255.255:65336")];
852 #endif /* LDAP_PF_LOCAL */
856 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
859 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
862 if ( (s = accept( slap_listeners[l]->sl_sd,
863 (struct sockaddr *) &from, &len )) == AC_SOCKET_INVALID )
865 int err = sock_errno();
866 Debug( LDAP_DEBUG_ANY,
867 "daemon: accept(%ld) failed errno=%d (%s)\n",
868 (long) slap_listeners[l]->sl_sd, err,
874 /* make sure descriptor number isn't too great */
875 if ( s >= dtblsize ) {
876 Debug( LDAP_DEBUG_ANY,
877 "daemon: %ld beyond descriptor table size %ld\n",
878 (long) s, (long) dtblsize, 0 );
885 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
887 /* newly accepted stream should not be in any of the FD SETS */
888 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
889 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
890 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
892 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
895 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
900 if ( getpeername( s, (struct sockaddr *) &from, &len ) != 0 ) {
901 int err = sock_errno();
902 Debug( LDAP_DEBUG_ANY,
903 "daemon: getpeername( %ld ) failed: errno=%d (%s)\n",
904 (long) s, err, sock_errstr(err) );
909 switch ( from.sa_addr.sa_family ) {
910 # ifdef LDAP_PF_LOCAL
912 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
913 ssf = LDAP_PVT_SASL_LOCAL_SSF;
915 #endif /* LDAP_PF_LOCAL */
917 # ifdef LDAP_PF_INET6
919 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
920 peeraddr = inet_ntoa( *((struct in_addr *)
921 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
922 sprintf( peername, "IP=%s:%d",
923 peeraddr != NULL ? peeraddr : "unknown",
924 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
926 char addr[INET6_ADDRSTRLEN];
927 sprintf( peername, "IP=%s %d",
929 &from.sa_in6_addr.sin6_addr,
930 addr, sizeof addr) ? addr : "unknown",
931 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
934 # endif /* LDAP_PF_INET6 */
937 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
938 sprintf( peername, "IP=%s:%d",
939 peeraddr != NULL ? peeraddr : "unknown",
940 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
947 if ( ( from.sa_addr.sa_family == AF_INET )
949 || ( from.sa_addr.sa_family == AF_INET6 )
952 #ifdef SLAPD_RLOOKUPS
953 # ifdef LDAP_PF_INET6
954 if ( from.sa_addr.sa_family == AF_INET6 )
956 (char *)&(from.sa_in6_addr.sin6_addr),
957 sizeof(from.sa_in6_addr.sin6_addr),
960 # endif LDAP_PF_INET6
962 (char *) &(from.sa_in_addr.sin_addr),
963 sizeof(from.sa_in_addr.sin_addr),
965 dnsname = hp ? ldap_pvt_str2lower( hp->h_name ) : NULL;
968 #endif /* SLAPD_RLOOKUPS */
971 if ( !hosts_ctl("slapd",
972 dnsname != NULL ? dnsname : STRING_UNKNOWN,
973 peeraddr != NULL ? peeraddr : STRING_UNKNOWN,
977 Statslog( LDAP_DEBUG_ANY,
978 "fd=%ld host access from %s (%s) denied.\n",
980 dnsname != NULL ? dnsname : "unknown",
981 peeraddr != NULL ? peeraddr : "unknown",
986 #endif /* HAVE_TCPD */
989 id = connection_init(s,
990 slap_listeners[l]->sl_url,
991 dnsname != NULL ? dnsname : "unknown",
993 slap_listeners[l]->sl_name,
995 slap_listeners[l]->sl_is_tls,
1002 if( authid ) ch_free(authid);
1005 Debug( LDAP_DEBUG_ANY,
1006 "daemon: connection_init(%ld, %s, %s) failed.\n",
1009 slap_listeners[l]->sl_name );
1014 Statslog( LDAP_DEBUG_STATS,
1015 "daemon: conn=%ld fd=%ld connection from %s (%s) accepted.\n",
1018 slap_listeners[l]->sl_name,
1026 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1028 for ( i = 0; i < readfds.fd_count; i++ ) {
1029 Debug( LDAP_DEBUG_CONNS, " %d%s",
1030 readfds.fd_array[i], "r", 0 );
1032 for ( i = 0; i < writefds.fd_count; i++ ) {
1033 Debug( LDAP_DEBUG_CONNS, " %d%s",
1034 writefds.fd_array[i], "w", 0 );
1037 for ( i = 0; i < nfds; i++ ) {
1039 int is_listener = 0;
1041 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1042 if ( i == slap_listeners[l]->sl_sd ) {
1047 if ( is_listener ) {
1050 r = FD_ISSET( i, &readfds );
1051 w = FD_ISSET( i, &writefds );
1053 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1054 r ? "r" : "", w ? "w" : "" );
1058 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1061 /* loop through the writers */
1063 for ( i = 0; i < writefds.fd_count; i++ )
1065 for ( i = 0; i < nfds; i++ )
1069 int is_listener = 0;
1071 wd = writefds.fd_array[i];
1073 if( ! FD_ISSET( i, &writefds ) ) {
1079 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1080 if ( i == slap_listeners[l]->sl_sd ) {
1085 if ( is_listener ) {
1088 Debug( LDAP_DEBUG_CONNS,
1089 "daemon: write active on %d\n",
1093 * NOTE: it is possible that the connection was closed
1094 * and that the stream is now inactive.
1095 * connection_write() must valid the stream is still
1099 if ( connection_write( wd ) < 0 ) {
1100 FD_CLR( (unsigned) wd, &readfds );
1106 for ( i = 0; i < readfds.fd_count; i++ )
1108 for ( i = 0; i < nfds; i++ )
1112 int is_listener = 0;
1115 rd = readfds.fd_array[i];
1117 if( ! FD_ISSET( i, &readfds ) ) {
1123 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1124 if ( rd == slap_listeners[l]->sl_sd ) {
1129 if ( is_listener ) {
1133 Debug ( LDAP_DEBUG_CONNS,
1134 "daemon: read activity on %d\n", rd, 0, 0 );
1137 * NOTE: it is possible that the connection was closed
1138 * and that the stream is now inactive.
1139 * connection_read() must valid the stream is still
1143 if ( connection_read( rd ) < 0 ) {
1147 ldap_pvt_thread_yield();
1150 if( slapd_shutdown > 0 ) {
1151 Debug( LDAP_DEBUG_TRACE,
1152 "daemon: shutdown requested and initiated.\n",
1155 } else if ( slapd_shutdown < 0 ) {
1156 #ifdef HAVE_NT_SERVICE_MANAGER
1157 if (slapd_shutdown == -1)
1158 Debug( LDAP_DEBUG_TRACE,
1159 "daemon: shutdown initiated by Service Manager.\n",
1163 Debug( LDAP_DEBUG_TRACE,
1164 "daemon: abnormal condition, shutdown initiated.\n",
1167 Debug( LDAP_DEBUG_TRACE,
1168 "daemon: no active streams, shutdown initiated.\n",
1172 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1173 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1174 #ifdef LDAP_PF_LOCAL
1175 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1176 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1178 #endif /* LDAP_PF_LOCAL */
1179 slapd_close( slap_listeners[l]->sl_sd );
1184 Debug( LDAP_DEBUG_ANY,
1185 "slapd shutdown: waiting for %d threads to terminate\n",
1186 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1188 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1194 int slapd_daemon( void )
1200 #define SLAPD_LISTENER_THREAD 1
1201 #if defined( SLAPD_LISTENER_THREAD ) || !defined(HAVE_PTHREADS)
1203 /* listener as a separate THREAD */
1204 rc = ldap_pvt_thread_create( &listener_tid,
1205 0, slapd_daemon_task, NULL );
1208 Debug( LDAP_DEBUG_ANY,
1209 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
1213 /* wait for the listener thread to complete */
1214 ldap_pvt_thread_join( listener_tid, (void *) NULL );
1216 /* expermimental code */
1217 listener_tid = pthread_self();
1218 slapd_daemon_task( NULL );
1227 #if defined( HAVE_WINSOCK2 )
1228 WORD wVersionRequested;
1232 wVersionRequested = MAKEWORD( 2, 0 );
1234 err = WSAStartup( wVersionRequested, &wsaData );
1236 /* Tell the user that we couldn't find a usable */
1241 /* Confirm that the WinSock DLL supports 2.0.*/
1242 /* Note that if the DLL supports versions greater */
1243 /* than 2.0 in addition to 2.0, it will still return */
1244 /* 2.0 in wVersion since that is the version we */
1247 if ( LOBYTE( wsaData.wVersion ) != 2 ||
1248 HIBYTE( wsaData.wVersion ) != 0 )
1250 /* Tell the user that we couldn't find a usable */
1256 /* The WinSock DLL is acceptable. Proceed. */
1257 #elif defined( HAVE_WINSOCK )
1259 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
1266 int sockdestroy(void)
1268 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
1275 slap_sig_shutdown( int sig )
1277 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
1280 * If the NT Service Manager is controlling the server, we don't
1281 * want SIGBREAK to kill the server. For some strange reason,
1282 * SIGBREAK is generated when a user logs out.
1285 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
1286 if (is_NT_Service && sig == SIGBREAK)
1287 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
1291 slapd_shutdown = sig;
1295 /* reinstall self */
1296 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
1300 slap_sig_wake( int sig )
1304 /* reinstall self */
1305 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
1309 void slapd_add_internal(ber_socket_t s) {