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 #define SLAPD_LISTEN 10
64 static ber_socket_t wake_sds[2];
68 #define WAKE_LISTENER(w) \
69 ((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
71 #define WAKE_LISTENER(w) \
72 do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
75 #ifdef HAVE_NT_SERVICE_MANAGER
77 extern ldap_pvt_thread_cond_t started_event;
78 extern int is_NT_Service;
84 volatile sig_atomic_t slapd_shutdown = 0;
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",
196 static void slap_free_listener_addresses(struct sockaddr **sal)
198 struct sockaddr **sap;
204 for (sap = sal; *sap != NULL; sap++) {
211 /* port = 0 indicates AF_LOCAL */
212 static int slap_get_listener_addresses(
215 struct sockaddr ***sal)
217 struct sockaddr **sap;
218 #ifdef HAVE_GETADDRINFO
219 struct addrinfo hints, *res, *sai;
222 memset( &hints, '\0', sizeof(hints) );
223 hints.ai_flags = AI_PASSIVE;
224 hints.ai_socktype = SOCK_STREAM;
225 # ifdef LDAP_PF_LOCAL
227 hints.ai_family = AF_LOCAL;
228 /* host specifies a service in this case */
229 if (err = getaddrinfo(NULL, host, &hints, &res)) {
230 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
231 AC_GAI_STRERROR(err), 0, 0);
239 snprintf(serv, sizeof serv, "%d", port);
240 hints.ai_family = AF_UNSPEC;
241 if (err = getaddrinfo(host, serv, &hints, &res)) {
242 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
243 gai_strerror(err), 0, 0);
249 for (n=2; (sai = sai->ai_next) != NULL; n++) {
252 *sal = ch_malloc(n * sizeof(*sal));
260 switch (sai->ai_family) {
261 # ifdef LDAP_PF_LOCAL
263 *sap = ch_malloc(sizeof(struct sockaddr_un));
268 *(struct sockaddr_un *)*sap =
269 *((struct sockaddr_un *)sai->ai_addr);
272 # ifdef LDAP_PF_INET6
274 *sap = ch_malloc(sizeof(struct sockaddr_in6));
279 *(struct sockaddr_in6 *)*sap =
280 *((struct sockaddr_in6 *)sai->ai_addr);
284 *sap = ch_malloc(sizeof(struct sockaddr_in));
289 *(struct sockaddr_in *)*sap =
290 *((struct sockaddr_in *)sai->ai_addr);
297 (*sap)->sa_family = sai->ai_family;
300 } while ((sai = sai->ai_next) != NULL);
305 # ifdef LDAP_PF_LOCAL
307 *sal = ch_malloc(2 * sizeof(*sal));
312 *sap = ch_malloc(sizeof(struct sockaddr_un));
315 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
316 (*sap)->sa_family = AF_LOCAL;
318 (sizeof(((struct sockaddr_un *)*sal)->sun_path) - 1) ) {
319 Debug( LDAP_DEBUG_ANY,
320 "daemon: domain socket path (%s) too long in URL",
324 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
330 if ( host == NULL ) {
331 in.s_addr = htonl(INADDR_ANY);
333 } else if ( !inet_aton( host, &in ) ) {
334 struct hostent *he = gethostbyname( host );
336 Debug( LDAP_DEBUG_ANY,
337 "daemon: invalid host %s", host, 0, 0);
340 AC_MEMCPY( &in, he->h_addr, sizeof( in ) );
343 *sal = ch_malloc(2 * sizeof(*sal));
349 *sap = ch_malloc(sizeof(struct sockaddr_in));
354 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_in) );
355 (*sap)->sa_family = AF_INET;
356 ((struct sockaddr_in *)*sap)->sin_port = htons(port);
357 ((struct sockaddr_in *)*sap)->sin_addr = in;
366 slap_free_listener_addresses(*sal);
370 static Listener * slap_open_listener(
379 struct sockaddr **sal, **psal;
381 rc = ldap_url_parse( url, &lud );
383 if( rc != LDAP_URL_SUCCESS ) {
384 Debug( LDAP_DEBUG_ANY,
385 "daemon: listen URL \"%s\" parse error=%d\n",
391 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
392 Debug( LDAP_DEBUG_ANY,
393 "daemon: TLS not supported (%s)\n",
395 ldap_free_urldesc( lud );
399 if(! lud->lud_port ) {
400 lud->lud_port = LDAP_PORT;
404 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
406 if(! lud->lud_port ) {
407 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
411 port = (unsigned short) lud->lud_port;
413 if ( ldap_pvt_url_scheme2proto(lud->lud_scheme) == LDAP_PROTO_IPC ) {
415 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
416 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
418 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
421 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
423 ldap_free_urldesc( lud );
427 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
428 || strcmp(lud->lud_host, "*") == 0 )
430 err = slap_get_listener_addresses(NULL, port, &sal);
432 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
436 ldap_free_urldesc( lud );
442 while ( *sal != NULL ) {
443 switch( (*sal)->sa_family ) {
456 l.sl_sd = socket( (*sal)->sa_family, SOCK_STREAM, 0);
457 if ( l.sl_sd == AC_SOCKET_INVALID ) {
458 int err = sock_errno();
459 Debug( LDAP_DEBUG_ANY,
460 "daemon: socket() failed errno=%d (%s)\n", err,
461 sock_errstr(err), 0 );
466 if ( l.sl_sd >= dtblsize ) {
467 Debug( LDAP_DEBUG_ANY,
468 "daemon: listener descriptor %ld is too great %ld\n",
469 (long) l.sl_sd, (long) dtblsize, 0 );
470 tcp_close( l.sl_sd );
476 if ( (*sal)->sa_family == AF_LOCAL ) {
477 unlink ( ((struct sockaddr_un *)*sal)->sun_path );
482 /* enable address reuse */
484 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
485 (char *) &tmp, sizeof(tmp) );
486 if ( rc == AC_SOCKET_ERROR ) {
487 int err = sock_errno();
488 Debug( LDAP_DEBUG_ANY,
489 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
490 (long) l.sl_sd, err, sock_errstr(err) );
495 switch( (*sal)->sa_family ) {
497 addrlen = sizeof(struct sockaddr_in);
501 addrlen = sizeof(struct sockaddr_in6);
506 addrlen = sizeof(struct sockaddr_un);
511 if (!bind(l.sl_sd, *sal, addrlen))
514 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
515 (long) l.sl_sd, err, sock_errstr(err) );
516 tcp_close( l.sl_sd );
518 } /* while ( *sal != NULL ) */
520 if ( *sal == NULL ) {
521 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed\n",
522 (long) l.sl_sd, 0, 0 );
523 slap_free_listener_addresses(psal);
527 switch ( (*sal)->sa_family ) {
530 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
531 if ( chmod( addr, S_IRWXU ) < 0 ) {
532 int err = sock_errno();
533 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
534 (long) l.sl_sd, err, sock_errstr(err) );
535 tcp_close( l.sl_sd );
536 slap_free_listener_addresses(psal);
539 l.sl_name = ch_malloc( strlen(addr) + sizeof("PATH=") );
540 sprintf( l.sl_name, "PATH=%s", addr );
542 #endif /* LDAP_PF_LOCAL */
546 #ifdef HAVE_GETADDRINFO
547 char addr[INET_ADDRSTRLEN];
548 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
549 addr, sizeof(addr) );
552 s = inet_ntoa( l.sl_addr.sin_addr );
554 l.sl_name = ch_malloc( sizeof("IP=255.255.255.255:65535") );
555 sprintf( l.sl_name, "IP=%s:%d",
556 s != NULL ? s : "unknown" , port );
561 char addr[INET6_ADDRSTRLEN];
562 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
564 l.sl_name = ch_malloc( strlen(addr) + sizeof("IP= 65535") );
565 sprintf( l.sl_name, "IP=%s %d", addr, port );
567 #endif /* LDAP_PF_INET6 */
570 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
571 (int) (*sal)->sa_family, 0, 0 );
575 slap_free_listener_addresses(psal);
577 l.sl_url = ch_strdup( url );
578 li = ch_malloc( sizeof( Listener ) );
581 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
587 static int sockinit(void);
588 static int sockdestroy(void);
590 int slapd_daemon_init( const char *urls )
595 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
596 urls ? urls : "<null>", 0, 0 );
598 if( (rc = sockinit()) != 0 ) {
603 dtblsize = sysconf( _SC_OPEN_MAX );
604 #elif HAVE_GETDTABLESIZE
605 dtblsize = getdtablesize();
607 dtblsize = FD_SETSIZE;
611 if(dtblsize > FD_SETSIZE) {
612 dtblsize = FD_SETSIZE;
614 #endif /* !FD_SETSIZE */
616 /* open a pipe (or something equivalent connected to itself).
617 * we write a byte on this fd whenever we catch a signal. The main
618 * loop will be select'ing on this socket, and will wake up when
621 if( (rc = lutil_pair( wake_sds )) < 0 ) {
622 Debug( LDAP_DEBUG_ANY,
623 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
627 FD_ZERO( &slap_daemon.sd_readers );
628 FD_ZERO( &slap_daemon.sd_writers );
634 u = str2charray( urls, " " );
636 if( u == NULL || u[0] == NULL ) {
637 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
643 for( i=0; u[i] != NULL; i++ ) {
644 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
649 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
655 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
658 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
660 for(i = 0; u[i] != NULL; i++ ) {
661 slap_listeners[i] = slap_open_listener( u[i] );
663 if( slap_listeners[i] == NULL ) {
668 slap_listeners[i] = NULL;
670 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
674 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
680 slapd_daemon_destroy(void)
682 connections_destroy();
683 tcp_close( wake_sds[1] );
684 tcp_close( wake_sds[0] );
696 time_t last_idle_check = slap_get_time();
699 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
700 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
703 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
704 int err = sock_errno();
705 Debug( LDAP_DEBUG_ANY,
706 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
707 slap_listeners[l]->sl_url, err,
712 slapd_add( slap_listeners[l]->sl_sd );
715 #ifdef HAVE_NT_SERVICE_MANAGER
716 if ( started_event != NULL ) {
717 ldap_pvt_thread_cond_signal( &started_event );
720 /* initialization complete. Here comes the loop. */
722 while ( !slapd_shutdown ) {
727 #define SLAPD_EBADF_LIMIT 16
730 #define SLAPD_IDLE_CHECK_LIMIT 4
731 time_t now = slap_get_time();
738 #if defined(SLAPD_RLOOKUPS)
744 if( global_idletimeout > 0 && difftime(
745 last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT,
748 connections_timeout_idle(now);
751 FD_ZERO( &writefds );
757 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
759 #ifdef FD_SET_MANUAL_COPY
760 for( s = 0; s < nfds; s++ ) {
761 if(FD_ISSET( &slap_sd_readers, s )) {
762 FD_SET( s, &readfds );
764 if(FD_ISSET( &slap_sd_writers, s )) {
765 FD_SET( s, &writefds );
769 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
770 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
772 assert(!FD_ISSET(wake_sds[0], &readfds));
773 FD_SET( wake_sds[0], &readfds );
775 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
776 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
778 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
779 FD_SET( slap_listeners[l]->sl_sd, &readfds );
783 nfds = slap_daemon.sd_nfds;
788 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
790 at = ldap_pvt_thread_pool_backload(&connection_pool);
792 #if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
795 tvp = at ? &zero : NULL;
798 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
799 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
802 Debug( LDAP_DEBUG_CONNS,
803 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
804 slap_listeners[l]->sl_sd, at,
805 tvp == NULL ? "NULL" : "zero" );
808 switch(ns = select( nfds, &readfds,
810 /* don't pass empty fd_set */
811 ( writefds.fd_count > 0 ? &writefds : NULL ),
817 case -1: { /* failure - try again */
818 int err = sock_errno();
822 /* you'd think this would be EBADF */
823 || err == WSAENOTSOCK
826 if (++ebadf < SLAPD_EBADF_LIMIT)
831 Debug( LDAP_DEBUG_CONNS,
832 "daemon: select failed (%d): %s\n",
833 err, sock_errstr(err), 0 );
840 case 0: /* timeout - let threads run */
842 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
844 ldap_pvt_thread_yield();
847 default: /* something happened - deal with it */
848 if( slapd_shutdown ) continue;
851 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
856 if( FD_ISSET( wake_sds[0], &readfds ) ) {
858 tcp_read( wake_sds[0], c, sizeof(c) );
865 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
867 socklen_t len = sizeof(from);
875 char peername[MAXPATHLEN + sizeof("PATH=")];
876 #elif defined(LDAP_PF_INET6)
877 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
879 char peername[sizeof("IP=255.255.255.255:65336")];
880 #endif /* LDAP_PF_LOCAL */
884 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
887 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
890 s = accept( slap_listeners[l]->sl_sd,
891 (struct sockaddr *) &from, &len );
892 if ( s == AC_SOCKET_INVALID ) {
893 int err = sock_errno();
894 Debug( LDAP_DEBUG_ANY,
895 "daemon: accept(%ld) failed errno=%d (%s)\n",
896 (long) slap_listeners[l]->sl_sd, err,
902 /* make sure descriptor number isn't too great */
903 if ( s >= dtblsize ) {
904 Debug( LDAP_DEBUG_ANY,
905 "daemon: %ld beyond descriptor table size %ld\n",
906 (long) s, (long) dtblsize, 0 );
913 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
915 /* newly accepted stream should not be in any of the FD SETS */
916 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
917 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
918 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
920 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
923 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
925 /* for IPv4 and IPv6 sockets only */
926 if ( from.sa_addr.sa_family != AF_LOCAL )
927 #endif /* LDAP_PF_LOCAL */
932 /* enable keep alives */
934 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
935 (char *) &tmp, sizeof(tmp) );
936 if ( rc == AC_SOCKET_ERROR ) {
937 int err = sock_errno();
938 Debug( LDAP_DEBUG_ANY,
939 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
940 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
944 /* enable no delay */
946 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
947 (char *)&tmp, sizeof(tmp) );
948 if ( rc == AC_SOCKET_ERROR ) {
949 int err = sock_errno();
950 Debug( LDAP_DEBUG_ANY,
951 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
952 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
958 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
961 switch ( from.sa_addr.sa_family ) {
962 # ifdef LDAP_PF_LOCAL
964 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
965 ssf = LDAP_PVT_SASL_LOCAL_SSF;
967 #endif /* LDAP_PF_LOCAL */
969 # ifdef LDAP_PF_INET6
971 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
972 peeraddr = inet_ntoa( *((struct in_addr *)
973 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
974 sprintf( peername, "IP=%s:%d",
975 peeraddr != NULL ? peeraddr : "unknown",
976 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
978 char addr[INET6_ADDRSTRLEN];
979 sprintf( peername, "IP=%s %d",
981 &from.sa_in6_addr.sin6_addr,
982 addr, sizeof addr) ? addr : "unknown",
983 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
986 # endif /* LDAP_PF_INET6 */
989 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
990 sprintf( peername, "IP=%s:%d",
991 peeraddr != NULL ? peeraddr : "unknown",
992 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1000 if ( ( from.sa_addr.sa_family == AF_INET )
1001 #ifdef LDAP_PF_INET6
1002 || ( from.sa_addr.sa_family == AF_INET6 )
1005 #ifdef SLAPD_RLOOKUPS
1006 # ifdef LDAP_PF_INET6
1007 if ( from.sa_addr.sa_family == AF_INET6 )
1009 (char *)&(from.sa_in6_addr.sin6_addr),
1010 sizeof(from.sa_in6_addr.sin6_addr),
1013 # endif /* LDAP_PF_INET6 */
1015 (char *) &(from.sa_in_addr.sin_addr),
1016 sizeof(from.sa_in_addr.sin_addr),
1018 dnsname = hp ? ldap_pvt_str2lower( hp->h_name ) : NULL;
1021 #endif /* SLAPD_RLOOKUPS */
1024 if ( !hosts_ctl("slapd",
1025 dnsname != NULL ? dnsname : STRING_UNKNOWN,
1026 peeraddr != NULL ? peeraddr : STRING_UNKNOWN,
1030 Statslog( LDAP_DEBUG_ANY,
1031 "fd=%ld host access from %s (%s) denied.\n",
1033 dnsname != NULL ? dnsname : "unknown",
1034 peeraddr != NULL ? peeraddr : "unknown",
1039 #endif /* HAVE_TCPD */
1042 id = connection_init(s,
1043 slap_listeners[l]->sl_url,
1044 dnsname != NULL ? dnsname : "unknown",
1046 slap_listeners[l]->sl_name,
1048 slap_listeners[l]->sl_is_tls,
1055 if( authid ) ch_free(authid);
1058 Debug( LDAP_DEBUG_ANY,
1059 "daemon: connection_init(%ld, %s, %s) failed.\n",
1062 slap_listeners[l]->sl_name );
1067 Statslog( LDAP_DEBUG_STATS,
1068 "daemon: conn=%ld fd=%ld connection from %s (%s) accepted.\n",
1071 slap_listeners[l]->sl_name,
1079 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1081 for ( i = 0; i < readfds.fd_count; i++ ) {
1082 Debug( LDAP_DEBUG_CONNS, " %d%s",
1083 readfds.fd_array[i], "r", 0 );
1085 for ( i = 0; i < writefds.fd_count; i++ ) {
1086 Debug( LDAP_DEBUG_CONNS, " %d%s",
1087 writefds.fd_array[i], "w", 0 );
1090 for ( i = 0; i < nfds; i++ ) {
1092 int is_listener = 0;
1094 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1095 if ( i == slap_listeners[l]->sl_sd ) {
1100 if ( is_listener ) {
1103 r = FD_ISSET( i, &readfds );
1104 w = FD_ISSET( i, &writefds );
1106 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1107 r ? "r" : "", w ? "w" : "" );
1111 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1114 /* loop through the writers */
1116 for ( i = 0; i < writefds.fd_count; i++ )
1118 for ( i = 0; i < nfds; i++ )
1122 int is_listener = 0;
1124 wd = writefds.fd_array[i];
1126 if( ! FD_ISSET( i, &writefds ) ) {
1132 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1133 if ( i == slap_listeners[l]->sl_sd ) {
1138 if ( is_listener ) {
1141 Debug( LDAP_DEBUG_CONNS,
1142 "daemon: write active on %d\n",
1146 * NOTE: it is possible that the connection was closed
1147 * and that the stream is now inactive.
1148 * connection_write() must valid the stream is still
1152 if ( connection_write( wd ) < 0 ) {
1153 FD_CLR( (unsigned) wd, &readfds );
1159 for ( i = 0; i < readfds.fd_count; i++ )
1161 for ( i = 0; i < nfds; i++ )
1165 int is_listener = 0;
1168 rd = readfds.fd_array[i];
1170 if( ! FD_ISSET( i, &readfds ) ) {
1176 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1177 if ( rd == slap_listeners[l]->sl_sd ) {
1182 if ( is_listener ) {
1186 Debug ( LDAP_DEBUG_CONNS,
1187 "daemon: read activity on %d\n", rd, 0, 0 );
1190 * NOTE: it is possible that the connection was closed
1191 * and that the stream is now inactive.
1192 * connection_read() must valid the stream is still
1196 if ( connection_read( rd ) < 0 ) {
1200 ldap_pvt_thread_yield();
1203 if( slapd_shutdown > 0 ) {
1204 Debug( LDAP_DEBUG_TRACE,
1205 "daemon: shutdown requested and initiated.\n",
1208 } else if ( slapd_shutdown < 0 ) {
1209 #ifdef HAVE_NT_SERVICE_MANAGER
1210 if (slapd_shutdown == -1)
1211 Debug( LDAP_DEBUG_TRACE,
1212 "daemon: shutdown initiated by Service Manager.\n",
1216 Debug( LDAP_DEBUG_TRACE,
1217 "daemon: abnormal condition, shutdown initiated.\n",
1220 Debug( LDAP_DEBUG_TRACE,
1221 "daemon: no active streams, shutdown initiated.\n",
1225 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1226 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1227 #ifdef LDAP_PF_LOCAL
1228 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1229 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1231 #endif /* LDAP_PF_LOCAL */
1232 slapd_close( slap_listeners[l]->sl_sd );
1237 Debug( LDAP_DEBUG_ANY,
1238 "slapd shutdown: waiting for %d threads to terminate\n",
1239 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1241 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1247 int slapd_daemon( void )
1253 #define SLAPD_LISTENER_THREAD 1
1254 #if defined( SLAPD_LISTENER_THREAD )
1256 ldap_pvt_thread_t listener_tid;
1258 /* listener as a separate THREAD */
1259 rc = ldap_pvt_thread_create( &listener_tid,
1260 0, slapd_daemon_task, NULL );
1263 Debug( LDAP_DEBUG_ANY,
1264 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
1268 /* wait for the listener thread to complete */
1269 ldap_pvt_thread_join( listener_tid, (void *) NULL );
1272 /* experimental code */
1273 slapd_daemon_task( NULL );
1282 #if defined( HAVE_WINSOCK2 )
1283 WORD wVersionRequested;
1287 wVersionRequested = MAKEWORD( 2, 0 );
1289 err = WSAStartup( wVersionRequested, &wsaData );
1291 /* Tell the user that we couldn't find a usable */
1296 /* Confirm that the WinSock DLL supports 2.0.*/
1297 /* Note that if the DLL supports versions greater */
1298 /* than 2.0 in addition to 2.0, it will still return */
1299 /* 2.0 in wVersion since that is the version we */
1302 if ( LOBYTE( wsaData.wVersion ) != 2 ||
1303 HIBYTE( wsaData.wVersion ) != 0 )
1305 /* Tell the user that we couldn't find a usable */
1311 /* The WinSock DLL is acceptable. Proceed. */
1312 #elif defined( HAVE_WINSOCK )
1314 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
1321 int sockdestroy(void)
1323 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
1330 slap_sig_shutdown( int sig )
1332 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
1335 * If the NT Service Manager is controlling the server, we don't
1336 * want SIGBREAK to kill the server. For some strange reason,
1337 * SIGBREAK is generated when a user logs out.
1340 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
1341 if (is_NT_Service && sig == SIGBREAK)
1342 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
1346 slapd_shutdown = sig;
1350 /* reinstall self */
1351 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
1355 slap_sig_wake( int sig )
1359 /* reinstall self */
1360 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
1364 void slapd_add_internal(ber_socket_t s) {