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 struct slap_daemon {
85 ldap_pvt_thread_mutex_t sd_mutex;
90 /* In winsock, accept() returns values higher than dtblsize
91 so don't bother with this optimization */
101 * Add a descriptor to daemon control
103 static void slapd_add(ber_socket_t s) {
104 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
106 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
107 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
108 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
111 if (s >= slap_daemon.sd_nfds) {
112 slap_daemon.sd_nfds = s + 1;
116 FD_SET( s, &slap_daemon.sd_actives );
117 FD_SET( s, &slap_daemon.sd_readers );
119 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
121 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
122 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
124 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
128 * Remove the descriptor from daemon control
130 void slapd_remove(ber_socket_t s, int wake) {
131 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
133 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
135 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
136 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
138 FD_CLR( s, &slap_daemon.sd_actives );
139 FD_CLR( s, &slap_daemon.sd_readers );
140 FD_CLR( s, &slap_daemon.sd_writers );
142 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
146 void slapd_clr_write(ber_socket_t s, int wake) {
147 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
149 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
150 FD_CLR( s, &slap_daemon.sd_writers );
152 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
156 void slapd_set_write(ber_socket_t s, int wake) {
157 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
159 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
160 if (!FD_ISSET(s, &slap_daemon.sd_writers))
161 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
163 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
167 void slapd_clr_read(ber_socket_t s, int wake) {
168 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
170 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
171 FD_CLR( s, &slap_daemon.sd_readers );
173 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
177 void slapd_set_read(ber_socket_t s, int wake) {
178 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
180 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
181 if (!FD_ISSET(s, &slap_daemon.sd_readers))
182 FD_SET( s, &slap_daemon.sd_readers );
184 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
188 static void slapd_close(ber_socket_t s) {
189 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
194 static slap_free_listener_addresses(struct sockaddr **sal)
196 struct sockaddr **sap;
202 for (sap = sal; *sap != NULL; sap++) {
209 /* port = 0 indicates AF_LOCAL */
210 static int slap_get_listener_addresses(
213 struct sockaddr ***sal)
215 struct sockaddr **sap;
216 #ifdef HAVE_GETADDRINFO
217 struct addrinfo hints, *res, *sai;
220 memset( &hints, '\0', sizeof(hints) );
221 hints.ai_flags = AI_PASSIVE;
222 hints.ai_socktype = SOCK_STREAM;
223 # ifdef LDAP_PF_LOCAL
225 hints.ai_family = AF_LOCAL;
226 /* host specifies a service in this case */
227 if (err = getaddrinfo(NULL, host, &hints, &res)) {
228 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
229 gai_strerror(err), 0, 0);
237 snprintf(serv, sizeof serv, "%d", port);
238 hints.ai_family = AF_UNSPEC;
239 if (err = getaddrinfo(host, serv, &hints, &res)) {
240 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
241 gai_strerror(err), 0, 0);
247 for (n=2; (sai = sai->ai_next) != NULL; n++) {
250 *sal = ch_malloc(n * sizeof(*sal));
258 switch (sai->ai_family) {
259 # ifdef LDAP_PF_LOCAL
261 *sap = ch_malloc(sizeof(struct sockaddr_un));
266 *(struct sockaddr_un *)*sap =
267 *((struct sockaddr_un *)sai->ai_addr);
270 # ifdef LDAP_PF_INET6
272 *sap = ch_malloc(sizeof(struct sockaddr_in6));
277 *(struct sockaddr_in6 *)*sap =
278 *((struct sockaddr_in6 *)sai->ai_addr);
282 *sap = ch_malloc(sizeof(struct sockaddr_in));
287 *(struct sockaddr_in *)*sap =
288 *((struct sockaddr_in *)sai->ai_addr);
295 } while ((sai = sai->ai_next) != NULL);
300 # ifdef LDAP_PF_LOCAL
302 *sal = ch_malloc(2 * sizeof(*sal));
307 *sap = ch_malloc(sizeof(struct sockaddr_un));
310 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
311 (*sap)->sa_family = AF_LOCAL;
313 (sizeof(((struct sockaddr_un *)*sal)->sun_path) - 1) ) {
314 Debug( LDAP_DEBUG_ANY,
315 "daemon: domain socket path (%s) too long in URL",
319 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
325 if ( host == NULL ) {
326 in.s_addr = htonl(INADDR_ANY);
328 } else if ( !inet_aton( host, &in ) ) {
329 struct hostent *he = gethostbyname( host );
331 Debug( LDAP_DEBUG_ANY,
332 "daemon: invalid host %s", host, 0, 0);
335 AC_MEMCPY( &in, he->h_addr, sizeof( in ) );
338 *sal = ch_malloc(2 * sizeof(*sal));
344 *sap = ch_malloc(sizeof(struct sockaddr_in));
349 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_in) );
350 (*sap)->sa_family = AF_INET;
351 ((struct sockaddr_in *)*sap)->sin_port = htons(port);
352 ((struct sockaddr_in *)*sap)->sin_addr = in;
361 slap_free_listener_addresses(*sal);
365 static Listener * slap_open_listener(
374 struct sockaddr **sal, **psal;
376 rc = ldap_url_parse( url, &lud );
378 if( rc != LDAP_URL_SUCCESS ) {
379 Debug( LDAP_DEBUG_ANY,
380 "daemon: listen URL \"%s\" parse error=%d\n",
386 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
387 Debug( LDAP_DEBUG_ANY,
388 "daemon: TLS not supported (%s)\n",
390 ldap_free_urldesc( lud );
394 if(! lud->lud_port ) {
395 lud->lud_port = LDAP_PORT;
399 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
401 if(! lud->lud_port ) {
402 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
406 port = (unsigned short) lud->lud_port;
408 if ( ldap_pvt_url_scheme2proto(lud->lud_scheme) == LDAP_PROTO_IPC ) {
410 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
411 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
413 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
416 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
418 ldap_free_urldesc( lud );
422 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
423 || strcmp(lud->lud_host, "*") == 0 )
425 err = slap_get_listener_addresses(NULL, port, &sal);
427 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
431 ldap_free_urldesc( lud );
437 while ( *sal != NULL ) {
438 switch( (*sal)->sa_family ) {
451 l.sl_sd = socket( (*sal)->sa_family, SOCK_STREAM, 0);
452 if ( l.sl_sd == AC_SOCKET_INVALID ) {
453 int err = sock_errno();
454 Debug( LDAP_DEBUG_ANY,
455 "daemon: socket() failed errno=%d (%s)\n", err,
456 sock_errstr(err), 0 );
461 if ( l.sl_sd >= dtblsize ) {
462 Debug( LDAP_DEBUG_ANY,
463 "daemon: listener descriptor %ld is too great %ld\n",
464 (long) l.sl_sd, (long) dtblsize, 0 );
465 tcp_close( l.sl_sd );
471 if ( (*sal)->sa_family == AF_LOCAL ) {
472 unlink ( ((struct sockaddr_un *)*sal)->sun_path );
477 /* enable address reuse */
479 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
480 (char *) &tmp, sizeof(tmp) );
481 if ( rc == AC_SOCKET_ERROR ) {
482 int err = sock_errno();
483 Debug( LDAP_DEBUG_ANY,
484 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
485 (long) l.sl_sd, err, sock_errstr(err) );
490 switch( (*sal)->sa_family ) {
492 addrlen = sizeof(struct sockaddr_in);
496 addrlen = sizeof(struct sockaddr_in6);
501 addrlen = sizeof(struct sockaddr_un);
506 if (!bind(l.sl_sd, *sal, addrlen))
509 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
510 (long) l.sl_sd, err, sock_errstr(err) );
511 tcp_close( l.sl_sd );
513 } /* while ( *sal != NULL ) */
515 if ( *sal == NULL ) {
516 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed\n",
517 (long) l.sl_sd, 0, 0 );
518 slap_free_listener_addresses(psal);
522 switch ( (*sal)->sa_family ) {
525 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
526 if ( chmod( addr, S_IRWXU ) < 0 ) {
527 int err = sock_errno();
528 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
529 (long) l.sl_sd, err, sock_errstr(err) );
530 tcp_close( l.sl_sd );
531 slap_free_listener_addresses(psal);
534 l.sl_name = ch_malloc( strlen(addr) + sizeof("PATH=") );
535 sprintf( l.sl_name, "PATH=%s", addr );
537 #endif /* LDAP_PF_LOCAL */
541 #ifdef HAVE_GETADDRINFO
542 char addr[INET_ADDRSTRLEN];
543 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
544 addr, sizeof(addr) );
547 s = inet_ntoa( l.sl_addr.sin_addr );
549 l.sl_name = ch_malloc( sizeof("IP=255.255.255.255:65535") );
550 sprintf( l.sl_name, "IP=%s:%d",
551 s != NULL ? s : "unknown" , port );
556 char addr[INET6_ADDRSTRLEN];
557 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
559 l.sl_name = ch_malloc( strlen(addr) + sizeof("IP= 65535") );
560 sprintf( l.sl_name, "IP=%s %d", addr, port );
562 #endif /* LDAP_PF_INET6 */
565 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
566 (int) (*sal)->sa_family, 0, 0 );
570 slap_free_listener_addresses(psal);
572 l.sl_url = ch_strdup( url );
573 li = ch_malloc( sizeof( Listener ) );
576 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
582 static int sockinit(void);
583 static int sockdestroy(void);
585 int slapd_daemon_init( const char *urls )
590 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
591 urls ? urls : "<null>", 0, 0 );
593 if( (rc = sockinit()) != 0 ) {
598 dtblsize = sysconf( _SC_OPEN_MAX );
599 #elif HAVE_GETDTABLESIZE
600 dtblsize = getdtablesize();
602 dtblsize = FD_SETSIZE;
606 if(dtblsize > FD_SETSIZE) {
607 dtblsize = FD_SETSIZE;
609 #endif /* !FD_SETSIZE */
611 /* open a pipe (or something equivalent connected to itself).
612 * we write a byte on this fd whenever we catch a signal. The main
613 * loop will be select'ing on this socket, and will wake up when
616 if( (rc = lutil_pair( wake_sds )) < 0 ) {
617 Debug( LDAP_DEBUG_ANY,
618 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
622 FD_ZERO( &slap_daemon.sd_readers );
623 FD_ZERO( &slap_daemon.sd_writers );
629 u = str2charray( urls, " " );
631 if( u == NULL || u[0] == NULL ) {
632 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
638 for( i=0; u[i] != NULL; i++ ) {
639 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
644 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
650 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
653 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
655 for(i = 0; u[i] != NULL; i++ ) {
656 slap_listeners[i] = slap_open_listener( u[i] );
658 if( slap_listeners[i] == NULL ) {
663 slap_listeners[i] = NULL;
665 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
669 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
675 slapd_daemon_destroy(void)
677 connections_destroy();
678 tcp_close( wake_sds[1] );
679 tcp_close( wake_sds[0] );
691 time_t last_idle_check = slap_get_time();
694 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
695 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
698 if ( listen( slap_listeners[l]->sl_sd, 5 ) == -1 ) {
699 int err = sock_errno();
700 Debug( LDAP_DEBUG_ANY,
701 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
702 slap_listeners[l]->sl_url, err,
707 slapd_add( slap_listeners[l]->sl_sd );
710 #ifdef HAVE_NT_SERVICE_MANAGER
711 if ( started_event != NULL ) {
712 ldap_pvt_thread_cond_signal( &started_event );
715 /* initialization complete. Here comes the loop. */
717 while ( !slapd_shutdown ) {
722 #define SLAPD_EBADF_LIMIT 16
725 #define SLAPD_IDLE_CHECK_LIMIT 4
726 time_t now = slap_get_time();
733 #if defined(SLAPD_RLOOKUPS)
739 if( global_idletimeout > 0 && difftime(
740 last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT,
743 connections_timeout_idle(now);
746 FD_ZERO( &writefds );
752 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
754 #ifdef FD_SET_MANUAL_COPY
755 for( s = 0; s < nfds; s++ ) {
756 if(FD_ISSET( &slap_sd_readers, s )) {
757 FD_SET( s, &readfds );
759 if(FD_ISSET( &slap_sd_writers, s )) {
760 FD_SET( s, &writefds );
764 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
765 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
767 assert(!FD_ISSET(wake_sds[0], &readfds));
768 FD_SET( wake_sds[0], &readfds );
770 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
771 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
773 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
774 FD_SET( slap_listeners[l]->sl_sd, &readfds );
778 nfds = slap_daemon.sd_nfds;
783 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
785 at = ldap_pvt_thread_pool_backload(&connection_pool);
787 #if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
790 tvp = at ? &zero : NULL;
793 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
794 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
797 Debug( LDAP_DEBUG_CONNS,
798 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
799 slap_listeners[l]->sl_sd, at,
800 tvp == NULL ? "NULL" : "zero" );
803 switch(ns = select( nfds, &readfds,
805 /* don't pass empty fd_set */
806 ( writefds.fd_count > 0 ? &writefds : NULL ),
812 case -1: { /* failure - try again */
813 int err = sock_errno();
817 /* you'd think this would be EBADF */
818 || err == WSAENOTSOCK
821 if (++ebadf < SLAPD_EBADF_LIMIT)
826 Debug( LDAP_DEBUG_CONNS,
827 "daemon: select failed (%d): %s\n",
828 err, sock_errstr(err), 0 );
835 case 0: /* timeout - let threads run */
837 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
839 ldap_pvt_thread_yield();
842 default: /* something happened - deal with it */
843 if( slapd_shutdown ) continue;
846 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
851 if( FD_ISSET( wake_sds[0], &readfds ) ) {
853 tcp_read( wake_sds[0], c, sizeof(c) );
860 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
862 socklen_t len = sizeof(from);
870 char peername[MAXPATHLEN + sizeof("PATH=")];
871 #elif defined(LDAP_PF_INET6)
872 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
874 char peername[sizeof("IP=255.255.255.255:65336")];
875 #endif /* LDAP_PF_LOCAL */
879 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
882 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
885 s = accept( slap_listeners[l]->sl_sd,
886 (struct sockaddr *) &from, &len );
887 if ( s == AC_SOCKET_INVALID ) {
888 int err = sock_errno();
889 Debug( LDAP_DEBUG_ANY,
890 "daemon: accept(%ld) failed errno=%d (%s)\n",
891 (long) slap_listeners[l]->sl_sd, err,
897 /* make sure descriptor number isn't too great */
898 if ( s >= dtblsize ) {
899 Debug( LDAP_DEBUG_ANY,
900 "daemon: %ld beyond descriptor table size %ld\n",
901 (long) s, (long) dtblsize, 0 );
908 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
910 /* newly accepted stream should not be in any of the FD SETS */
911 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
912 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
913 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
915 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
918 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
920 /* for IPv4 and IPv6 sockets only */
921 if ( from.sa_addr.sa_family != AF_LOCAL )
922 #endif /* LDAP_PF_LOCAL */
927 /* enable keep alives */
929 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
930 (char *) &tmp, sizeof(tmp) );
931 if ( rc == AC_SOCKET_ERROR ) {
932 int err = sock_errno();
933 Debug( LDAP_DEBUG_ANY,
934 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
935 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
939 /* enable no delay */
941 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
942 (char *)&tmp, sizeof(tmp) );
943 if ( rc == AC_SOCKET_ERROR ) {
944 int err = sock_errno();
945 Debug( LDAP_DEBUG_ANY,
946 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
947 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
953 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
956 switch ( from.sa_addr.sa_family ) {
957 # ifdef LDAP_PF_LOCAL
959 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
960 ssf = LDAP_PVT_SASL_LOCAL_SSF;
962 #endif /* LDAP_PF_LOCAL */
964 # ifdef LDAP_PF_INET6
966 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
967 peeraddr = inet_ntoa( *((struct in_addr *)
968 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
969 sprintf( peername, "IP=%s:%d",
970 peeraddr != NULL ? peeraddr : "unknown",
971 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
973 char addr[INET6_ADDRSTRLEN];
974 sprintf( peername, "IP=%s %d",
976 &from.sa_in6_addr.sin6_addr,
977 addr, sizeof addr) ? addr : "unknown",
978 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
981 # endif /* LDAP_PF_INET6 */
984 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
985 sprintf( peername, "IP=%s:%d",
986 peeraddr != NULL ? peeraddr : "unknown",
987 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
995 if ( ( from.sa_addr.sa_family == AF_INET )
997 || ( from.sa_addr.sa_family == AF_INET6 )
1000 #ifdef SLAPD_RLOOKUPS
1001 # ifdef LDAP_PF_INET6
1002 if ( from.sa_addr.sa_family == AF_INET6 )
1004 (char *)&(from.sa_in6_addr.sin6_addr),
1005 sizeof(from.sa_in6_addr.sin6_addr),
1008 # endif LDAP_PF_INET6
1010 (char *) &(from.sa_in_addr.sin_addr),
1011 sizeof(from.sa_in_addr.sin_addr),
1013 dnsname = hp ? ldap_pvt_str2lower( hp->h_name ) : NULL;
1016 #endif /* SLAPD_RLOOKUPS */
1019 if ( !hosts_ctl("slapd",
1020 dnsname != NULL ? dnsname : STRING_UNKNOWN,
1021 peeraddr != NULL ? peeraddr : STRING_UNKNOWN,
1025 Statslog( LDAP_DEBUG_ANY,
1026 "fd=%ld host access from %s (%s) denied.\n",
1028 dnsname != NULL ? dnsname : "unknown",
1029 peeraddr != NULL ? peeraddr : "unknown",
1034 #endif /* HAVE_TCPD */
1037 id = connection_init(s,
1038 slap_listeners[l]->sl_url,
1039 dnsname != NULL ? dnsname : "unknown",
1041 slap_listeners[l]->sl_name,
1043 slap_listeners[l]->sl_is_tls,
1050 if( authid ) ch_free(authid);
1053 Debug( LDAP_DEBUG_ANY,
1054 "daemon: connection_init(%ld, %s, %s) failed.\n",
1057 slap_listeners[l]->sl_name );
1062 Statslog( LDAP_DEBUG_STATS,
1063 "daemon: conn=%ld fd=%ld connection from %s (%s) accepted.\n",
1066 slap_listeners[l]->sl_name,
1074 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1076 for ( i = 0; i < readfds.fd_count; i++ ) {
1077 Debug( LDAP_DEBUG_CONNS, " %d%s",
1078 readfds.fd_array[i], "r", 0 );
1080 for ( i = 0; i < writefds.fd_count; i++ ) {
1081 Debug( LDAP_DEBUG_CONNS, " %d%s",
1082 writefds.fd_array[i], "w", 0 );
1085 for ( i = 0; i < nfds; i++ ) {
1087 int is_listener = 0;
1089 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1090 if ( i == slap_listeners[l]->sl_sd ) {
1095 if ( is_listener ) {
1098 r = FD_ISSET( i, &readfds );
1099 w = FD_ISSET( i, &writefds );
1101 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1102 r ? "r" : "", w ? "w" : "" );
1106 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1109 /* loop through the writers */
1111 for ( i = 0; i < writefds.fd_count; i++ )
1113 for ( i = 0; i < nfds; i++ )
1117 int is_listener = 0;
1119 wd = writefds.fd_array[i];
1121 if( ! FD_ISSET( i, &writefds ) ) {
1127 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1128 if ( i == slap_listeners[l]->sl_sd ) {
1133 if ( is_listener ) {
1136 Debug( LDAP_DEBUG_CONNS,
1137 "daemon: write active on %d\n",
1141 * NOTE: it is possible that the connection was closed
1142 * and that the stream is now inactive.
1143 * connection_write() must valid the stream is still
1147 if ( connection_write( wd ) < 0 ) {
1148 FD_CLR( (unsigned) wd, &readfds );
1154 for ( i = 0; i < readfds.fd_count; i++ )
1156 for ( i = 0; i < nfds; i++ )
1160 int is_listener = 0;
1163 rd = readfds.fd_array[i];
1165 if( ! FD_ISSET( i, &readfds ) ) {
1171 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1172 if ( rd == slap_listeners[l]->sl_sd ) {
1177 if ( is_listener ) {
1181 Debug ( LDAP_DEBUG_CONNS,
1182 "daemon: read activity on %d\n", rd, 0, 0 );
1185 * NOTE: it is possible that the connection was closed
1186 * and that the stream is now inactive.
1187 * connection_read() must valid the stream is still
1191 if ( connection_read( rd ) < 0 ) {
1195 ldap_pvt_thread_yield();
1198 if( slapd_shutdown > 0 ) {
1199 Debug( LDAP_DEBUG_TRACE,
1200 "daemon: shutdown requested and initiated.\n",
1203 } else if ( slapd_shutdown < 0 ) {
1204 #ifdef HAVE_NT_SERVICE_MANAGER
1205 if (slapd_shutdown == -1)
1206 Debug( LDAP_DEBUG_TRACE,
1207 "daemon: shutdown initiated by Service Manager.\n",
1211 Debug( LDAP_DEBUG_TRACE,
1212 "daemon: abnormal condition, shutdown initiated.\n",
1215 Debug( LDAP_DEBUG_TRACE,
1216 "daemon: no active streams, shutdown initiated.\n",
1220 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1221 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1222 #ifdef LDAP_PF_LOCAL
1223 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1224 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1226 #endif /* LDAP_PF_LOCAL */
1227 slapd_close( slap_listeners[l]->sl_sd );
1232 Debug( LDAP_DEBUG_ANY,
1233 "slapd shutdown: waiting for %d threads to terminate\n",
1234 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1236 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1242 int slapd_daemon( void )
1248 #define SLAPD_LISTENER_THREAD 1
1249 #if defined( SLAPD_LISTENER_THREAD )
1251 ldap_pvt_thread_t listener_tid;
1253 /* listener as a separate THREAD */
1254 rc = ldap_pvt_thread_create( &listener_tid,
1255 0, slapd_daemon_task, NULL );
1258 Debug( LDAP_DEBUG_ANY,
1259 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
1263 /* wait for the listener thread to complete */
1264 ldap_pvt_thread_join( listener_tid, (void *) NULL );
1267 /* experimental code */
1268 slapd_daemon_task( NULL );
1277 #if defined( HAVE_WINSOCK2 )
1278 WORD wVersionRequested;
1282 wVersionRequested = MAKEWORD( 2, 0 );
1284 err = WSAStartup( wVersionRequested, &wsaData );
1286 /* Tell the user that we couldn't find a usable */
1291 /* Confirm that the WinSock DLL supports 2.0.*/
1292 /* Note that if the DLL supports versions greater */
1293 /* than 2.0 in addition to 2.0, it will still return */
1294 /* 2.0 in wVersion since that is the version we */
1297 if ( LOBYTE( wsaData.wVersion ) != 2 ||
1298 HIBYTE( wsaData.wVersion ) != 0 )
1300 /* Tell the user that we couldn't find a usable */
1306 /* The WinSock DLL is acceptable. Proceed. */
1307 #elif defined( HAVE_WINSOCK )
1309 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
1316 int sockdestroy(void)
1318 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
1325 slap_sig_shutdown( int sig )
1327 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
1330 * If the NT Service Manager is controlling the server, we don't
1331 * want SIGBREAK to kill the server. For some strange reason,
1332 * SIGBREAK is generated when a user logs out.
1335 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
1336 if (is_NT_Service && sig == SIGBREAK)
1337 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
1341 slapd_shutdown = sig;
1345 /* reinstall self */
1346 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
1350 slap_sig_wake( int sig )
1354 /* reinstall self */
1355 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
1359 void slapd_add_internal(ber_socket_t s) {