3 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
13 #include <ac/socket.h>
14 #include <ac/string.h>
16 #include <ac/unistd.h>
19 #include "ldap_pvt_thread.h"
26 int allow_severity = LOG_INFO;
27 int deny_severity = LOG_NOTICE;
28 #endif /* TCP Wrappers */
32 /* this should go in <ldap.h> as soon as it is accepted */
33 #define LDAPI_MOD_URLEXT "x-mod"
34 #endif /* LDAP_PF_LOCAL */
37 int slap_inet4or6 = AF_UNSPEC;
39 int slap_inet4or6 = AF_INET;
44 ber_socket_t dtblsize;
46 Listener **slap_listeners = NULL;
48 #define SLAPD_LISTEN 10
50 static ber_socket_t wake_sds[2];
52 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
54 #define WAKE_LISTENER(w) \
55 ((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
57 #define WAKE_LISTENER(w) \
58 do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
64 volatile sig_atomic_t slapd_shutdown = 0, slapd_gentle_shutdown = 0;
66 static struct slap_daemon {
67 ldap_pvt_thread_mutex_t sd_mutex;
69 ber_socket_t sd_nactives;
72 /* In winsock, accept() returns values higher than dtblsize
73 so don't bother with this optimization */
86 * SLP related functions
90 #define LDAP_SRVTYPE_PREFIX "service:ldap://"
91 #define LDAPS_SRVTYPE_PREFIX "service:ldaps://"
92 static char** slapd_srvurls = NULL;
93 static SLPHandle slapd_hslp = 0;
95 void slapd_slp_init( const char* urls ) {
98 slapd_srvurls = ldap_str2charray( urls, " " );
100 if( slapd_srvurls == NULL ) return;
102 /* find and expand INADDR_ANY URLs */
103 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
104 if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) {
105 char *host = ldap_pvt_get_fqdn( NULL );
106 if ( host != NULL ) {
107 slapd_srvurls[i] = (char *) realloc( slapd_srvurls[i],
109 sizeof( LDAP_SRVTYPE_PREFIX ) );
110 strcpy( lutil_strcopy(slapd_srvurls[i],
111 LDAP_SRVTYPE_PREFIX ), host );
116 } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) {
117 char *host = ldap_pvt_get_fqdn( NULL );
118 if ( host != NULL ) {
119 slapd_srvurls[i] = (char *) realloc( slapd_srvurls[i],
121 sizeof( LDAPS_SRVTYPE_PREFIX ) );
122 strcpy( lutil_strcopy(slapd_srvurls[i],
123 LDAPS_SRVTYPE_PREFIX ), host );
130 /* open the SLP handle */
131 SLPOpen( "en", 0, &slapd_hslp );
134 void slapd_slp_deinit() {
135 if( slapd_srvurls == NULL ) return;
137 ldap_charray_free( slapd_srvurls );
138 slapd_srvurls = NULL;
140 /* close the SLP handle */
141 SLPClose( slapd_hslp );
144 void slapd_slp_regreport(
152 void slapd_slp_reg() {
155 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
156 if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
157 sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
158 strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
159 sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
163 SLP_LIFETIME_MAXIMUM,
173 void slapd_slp_dereg() {
176 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
177 SLPDereg( slapd_hslp,
183 #endif /* HAVE_SLP */
186 * Add a descriptor to daemon control
188 static void slapd_add(ber_socket_t s) {
189 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
191 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
192 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
193 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
196 if (s >= slap_daemon.sd_nfds) {
197 slap_daemon.sd_nfds = s + 1;
201 slap_daemon.sd_nactives++;
203 FD_SET( s, &slap_daemon.sd_actives );
204 FD_SET( s, &slap_daemon.sd_readers );
207 LDAP_LOG( CONNECTION, DETAIL1,
208 "slapd_add: added %ld%s%s\n", (long)s,
209 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
210 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
212 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
214 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
215 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
217 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
221 * Remove the descriptor from daemon control
223 void slapd_remove(ber_socket_t s, int wake) {
224 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
226 slap_daemon.sd_nactives--;
229 LDAP_LOG( CONNECTION, DETAIL1,
230 "slapd_remove: removing %ld%s%s\n", (long) s,
231 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
232 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
234 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
236 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
237 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
239 FD_CLR( s, &slap_daemon.sd_actives );
240 FD_CLR( s, &slap_daemon.sd_readers );
241 FD_CLR( s, &slap_daemon.sd_writers );
243 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
244 WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
247 void slapd_clr_write(ber_socket_t s, int wake) {
248 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
250 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
251 FD_CLR( s, &slap_daemon.sd_writers );
253 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
257 void slapd_set_write(ber_socket_t s, int wake) {
258 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
260 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
261 if (!FD_ISSET(s, &slap_daemon.sd_writers))
262 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
264 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
268 void slapd_clr_read(ber_socket_t s, int wake) {
269 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
271 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
272 FD_CLR( s, &slap_daemon.sd_readers );
274 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
278 void slapd_set_read(ber_socket_t s, int wake) {
279 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
281 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
282 if (!FD_ISSET(s, &slap_daemon.sd_readers))
283 FD_SET( s, &slap_daemon.sd_readers );
285 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
289 static void slapd_close(ber_socket_t s) {
291 LDAP_LOG( CONNECTION, DETAIL1, "slapd_close: closing %ld\n", (long)s, 0, 0);
293 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
299 static void slap_free_listener_addresses(struct sockaddr **sal)
301 struct sockaddr **sap;
307 for (sap = sal; *sap != NULL; sap++) {
315 static int get_url_perms(
327 for ( i = 0; exts[ i ]; i++ ) {
328 char *type = exts[ i ];
331 if ( type[ 0 ] == '!' ) {
336 if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
337 char *value = type + sizeof(LDAPI_MOD_URLEXT "=") - 1;
341 if ( strlen(value) != 3 ) {
345 for ( j = 0; j < 3; j++ ) {
347 = { S_IRWXU, S_IRWXG, S_IRWXO };
349 switch ( value[ j ] ) {
369 #endif /* LDAP_PF_LOCAL */
371 /* port = 0 indicates AF_LOCAL */
372 static int slap_get_listener_addresses(
375 struct sockaddr ***sal)
377 struct sockaddr **sap;
381 *sal = ch_malloc(2 * sizeof(void *));
387 *sap = ch_malloc(sizeof(struct sockaddr_un));
393 (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
395 LDAP_LOG( CONNECTION, INFO,
396 "slap_get_listener_addresses: domain socket path (%s) "
397 "too long in URL\n", host, 0, 0 );
399 Debug( LDAP_DEBUG_ANY,
400 "daemon: domain socket path (%s) too long in URL",
406 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
407 (*sap)->sa_family = AF_LOCAL;
408 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
412 #ifdef HAVE_GETADDRINFO
413 struct addrinfo hints, *res, *sai;
417 memset( &hints, '\0', sizeof(hints) );
418 hints.ai_flags = AI_PASSIVE;
419 hints.ai_socktype = SOCK_STREAM;
420 hints.ai_family = slap_inet4or6;
421 snprintf(serv, sizeof serv, "%d", port);
423 if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
425 LDAP_LOG( CONNECTION, INFO,
426 "slap_get_listener_addresses: getaddrinfo failed: %s\n",
427 AC_GAI_STRERROR(err), 0, 0 );
429 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
430 AC_GAI_STRERROR(err), 0, 0);
436 for (n=2; (sai = sai->ai_next) != NULL; n++) {
439 *sal = ch_calloc(n, sizeof(void *));
447 for ( sai=res; sai; sai=sai->ai_next ) {
448 if( sai->ai_addr == NULL ) {
450 LDAP_LOG( CONNECTION, INFO,
451 "slap_get_listener_addresses: "
452 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
454 Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
455 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
461 switch (sai->ai_family) {
462 # ifdef LDAP_PF_INET6
464 *sap = ch_malloc(sizeof(struct sockaddr_in6));
469 *(struct sockaddr_in6 *)*sap =
470 *((struct sockaddr_in6 *)sai->ai_addr);
474 *sap = ch_malloc(sizeof(struct sockaddr_in));
479 *(struct sockaddr_in *)*sap =
480 *((struct sockaddr_in *)sai->ai_addr);
488 (*sap)->sa_family = sai->ai_family;
498 struct hostent *he = NULL;
500 if ( host == NULL ) {
501 in.s_addr = htonl(INADDR_ANY);
503 } else if ( !inet_aton( host, &in ) ) {
504 he = gethostbyname( host );
507 LDAP_LOG( CONNECTION, INFO,
508 "slap_get_listener_addresses: invalid host %s\n", host, 0, 0 );
510 Debug( LDAP_DEBUG_ANY,
511 "daemon: invalid host %s", host, 0, 0);
515 for (n = 0; he->h_addr_list[n]; n++) ;
518 *sal = ch_malloc((n+1) * sizeof(void *));
524 for ( i = 0; i<n; i++ ) {
525 sap[i] = ch_malloc(sizeof(struct sockaddr_in));
529 (void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
530 sap[i]->sa_family = AF_INET;
531 ((struct sockaddr_in *)sap[i])->sin_port = htons(port);
533 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
535 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
545 slap_free_listener_addresses(*sal);
549 static int slap_open_listener(
560 int err, addrlen = 0;
561 struct sockaddr **sal, **psal;
562 int socktype = SOCK_STREAM; /* default to COTS */
565 mode_t perms = S_IRWXU;
569 rc = ldap_url_parse( url, &lud );
571 if( rc != LDAP_URL_SUCCESS ) {
573 LDAP_LOG( CONNECTION, ERR,
574 "slap_open_listener: listen URL \"%s\" parse error %d\n",
577 Debug( LDAP_DEBUG_ANY,
578 "daemon: listen URL \"%s\" parse error=%d\n",
585 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
587 LDAP_LOG( CONNECTION, INFO,
588 "slap_open_listener: TLS is not supported (%s)\n", url, 0, 0 );
590 Debug( LDAP_DEBUG_ANY,
591 "daemon: TLS not supported (%s)\n",
594 ldap_free_urldesc( lud );
598 if(! lud->lud_port ) {
599 lud->lud_port = LDAP_PORT;
603 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
605 if(! lud->lud_port ) {
606 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
610 port = (unsigned short) lud->lud_port;
612 tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
613 if ( tmp == LDAP_PROTO_IPC ) {
615 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
616 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
618 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
621 if ( lud->lud_exts ) {
622 err = get_url_perms( lud->lud_exts, &perms, &crit );
627 LDAP_LOG( CONNECTION, INFO,
628 "slap_open_listener: URL scheme is not supported: %s\n", url, 0, 0 );
630 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
633 ldap_free_urldesc( lud );
637 #ifdef LDAP_CONNECTIONLESS
638 l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
640 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
641 || strcmp(lud->lud_host, "*") == 0 )
643 err = slap_get_listener_addresses(NULL, port, &sal);
645 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
649 ldap_free_urldesc( lud );
654 /* If we got more than one address returned, we need to make space
655 * for it in the slap_listeners array.
657 for ( num=0; sal[num]; num++ );
660 slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
664 while ( *sal != NULL ) {
665 switch( (*sal)->sa_family ) {
678 #ifdef LDAP_CONNECTIONLESS
679 if( l.sl_is_udp ) socktype = SOCK_DGRAM;
681 l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
682 if ( l.sl_sd == AC_SOCKET_INVALID ) {
683 int err = sock_errno();
685 LDAP_LOG( CONNECTION, ERR,
686 "slap_open_listener: socket() failed errno=%d (%s)\n",
687 err, sock_errstr(err), 0 );
689 Debug( LDAP_DEBUG_ANY,
690 "daemon: socket() failed errno=%d (%s)\n", err,
691 sock_errstr(err), 0 );
697 if ( l.sl_sd >= dtblsize ) {
699 LDAP_LOG( CONNECTION, ERR,
700 "slap_open_listener: listener descriptor %ld is too "
701 "great %ld\n", (long)l.sl_sd, (long)dtblsize, 0 );
703 Debug( LDAP_DEBUG_ANY,
704 "daemon: listener descriptor %ld is too great %ld\n",
705 (long) l.sl_sd, (long) dtblsize, 0 );
707 tcp_close( l.sl_sd );
713 if ( (*sal)->sa_family == AF_LOCAL ) {
714 unlink ( ((struct sockaddr_un *)*sal)->sun_path );
719 /* enable address reuse */
721 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
722 (char *) &tmp, sizeof(tmp) );
723 if ( rc == AC_SOCKET_ERROR ) {
724 int err = sock_errno();
726 LDAP_LOG( CONNECTION, INFO,
727 "slap_open_listener: setsockopt( %ld, SO_REUSEADDR ) "
728 "failed errno %d (%s)\n", (long)l.sl_sd, err,
731 Debug( LDAP_DEBUG_ANY,
732 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
733 (long) l.sl_sd, err, sock_errstr(err) );
739 switch( (*sal)->sa_family ) {
741 addrlen = sizeof(struct sockaddr_in);
746 /* Try to use IPv6 sockets for IPv6 only */
748 rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
749 (char *) &tmp, sizeof(tmp) );
750 if ( rc == AC_SOCKET_ERROR ) {
751 int err = sock_errno();
753 LDAP_LOG( CONNECTION, INFO,
754 "slap_open_listener: setsockopt( %ld, IPV6_V6ONLY ) failed errno %d (%s)\n",
755 (long)l.sl_sd, err, sock_errstr(err) );
757 Debug( LDAP_DEBUG_ANY,
758 "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
759 (long) l.sl_sd, err, sock_errstr(err) );
763 addrlen = sizeof(struct sockaddr_in6);
768 addrlen = sizeof(struct sockaddr_un);
773 if (bind(l.sl_sd, *sal, addrlen)) {
776 LDAP_LOG( CONNECTION, INFO,
777 "slap_open_listener: bind(%ld) failed errno=%d (%s)\n",
778 (long)l.sl_sd, err, sock_errstr(err) );
780 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
781 (long) l.sl_sd, err, sock_errstr(err) );
783 tcp_close( l.sl_sd );
788 switch ( (*sal)->sa_family ) {
791 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
792 if ( chmod( addr, perms ) < 0 && crit ) {
793 int err = sock_errno();
795 LDAP_LOG( CONNECTION, INFO,
796 "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n",
797 (long)l.sl_sd, err, sock_errstr(err) );
799 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
800 (long) l.sl_sd, err, sock_errstr(err) );
802 tcp_close( l.sl_sd );
803 slap_free_listener_addresses(psal);
806 l.sl_name = ch_malloc( strlen(addr) + sizeof("PATH=") );
807 sprintf( l.sl_name, "PATH=%s", addr );
809 #endif /* LDAP_PF_LOCAL */
813 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
814 char addr[INET_ADDRSTRLEN];
815 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
816 addr, sizeof(addr) );
819 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
821 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
822 l.sl_name = ch_malloc( sizeof("IP=255.255.255.255:65535") );
823 sprintf( l.sl_name, "IP=%s:%d",
824 s != NULL ? s : "unknown" , port );
829 char addr[INET6_ADDRSTRLEN];
830 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
832 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
833 l.sl_name = ch_malloc( strlen(addr) + sizeof("IP= 65535") );
834 sprintf( l.sl_name, "IP=%s %d", addr, port );
836 #endif /* LDAP_PF_INET6 */
840 LDAP_LOG( CONNECTION, INFO,
841 "slap_open_listener: unsupported address family (%d)\n",
842 (int)(*sal)->sa_family, 0, 0 );
844 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
845 (int) (*sal)->sa_family, 0, 0 );
850 AC_MEMCPY(&l.sl_sa, *sal, addrlen);
851 l.sl_url = ch_strdup( url );
852 li = ch_malloc( sizeof( Listener ) );
854 slap_listeners[*cur] = li;
858 } /* while ( *sal != NULL ) */
860 slap_free_listener_addresses(psal);
864 LDAP_LOG( CONNECTION, RESULTS,
865 "slap_open_listener: daemon initialzed %s\n", l.sl_url, 0, 0 );
867 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
873 static int sockinit(void);
874 static int sockdestroy(void);
876 int slapd_daemon_init( const char *urls )
882 LDAP_LOG( CONNECTION, ARGS,
883 "slapd_daemon_init: %s\n", urls ? urls : "<null>", 0, 0 );
885 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
886 urls ? urls : "<null>", 0, 0 );
888 if( (rc = sockinit()) != 0 ) {
893 dtblsize = sysconf( _SC_OPEN_MAX );
894 #elif HAVE_GETDTABLESIZE
895 dtblsize = getdtablesize();
897 dtblsize = FD_SETSIZE;
901 if(dtblsize > FD_SETSIZE) {
902 dtblsize = FD_SETSIZE;
904 #endif /* !FD_SETSIZE */
906 /* open a pipe (or something equivalent connected to itself).
907 * we write a byte on this fd whenever we catch a signal. The main
908 * loop will be select'ing on this socket, and will wake up when
911 if( (rc = lutil_pair( wake_sds )) < 0 ) {
913 LDAP_LOG( CONNECTION, ERR,
914 "slap_daemon_init: lutil_pair() failed rc=%d\n", rc, 0, 0);
916 Debug( LDAP_DEBUG_ANY,
917 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
922 FD_ZERO( &slap_daemon.sd_readers );
923 FD_ZERO( &slap_daemon.sd_writers );
929 u = ldap_str2charray( urls, " " );
931 if( u == NULL || u[0] == NULL ) {
933 LDAP_LOG( CONNECTION, ERR,
934 "slap_daemon_init: no urls (%s) provided.\n", urls, 0, 0 );
936 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
942 for( i=0; u[i] != NULL; i++ ) {
944 LDAP_LOG( CONNECTION, DETAIL1,
945 "slap_daemon_init: listen on %s\n.", u[i], 0, 0 );
947 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
954 LDAP_LOG( CONNECTION, INFO,
955 "slap_daemon_init: no listeners to open (%s)\n", urls, 0, 0 );
957 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
960 ldap_charray_free( u );
965 LDAP_LOG( CONNECTION, INFO,
966 "slap_daemon_init: %d listeners to open...\n", i, 0, 0 );
968 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
971 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
973 for(n = 0, j = 0; u[n]; n++ ) {
974 if ( slap_open_listener( u[n], &i, &j ) ) {
975 ldap_charray_free( u );
979 slap_listeners[j] = NULL;
982 LDAP_LOG( CONNECTION, DETAIL1,
983 "slap_daemon_init: %d listeners opened\n", i, 0, 0 );
985 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
990 slapd_slp_init( urls );
994 ldap_charray_free( u );
995 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
1001 slapd_daemon_destroy(void)
1003 connections_destroy();
1004 tcp_close( wake_sds[1] );
1005 tcp_close( wake_sds[0] );
1024 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1025 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1027 slapd_remove( slap_listeners[l]->sl_sd, 0 );
1028 #ifdef LDAP_PF_LOCAL
1029 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1030 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1032 #endif /* LDAP_PF_LOCAL */
1033 slapd_close( slap_listeners[l]->sl_sd );
1035 if ( slap_listeners[l]->sl_url )
1036 free ( slap_listeners[l]->sl_url );
1037 if ( slap_listeners[l]->sl_name )
1038 free ( slap_listeners[l]->sl_name );
1039 free ( slap_listeners[l] );
1040 slap_listeners[l] = NULL;
1051 time_t last_idle_check = 0;
1054 if ( global_idletimeout > 0 ) {
1055 last_idle_check = slap_get_time();
1057 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1058 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1060 #ifdef LDAP_CONNECTIONLESS
1061 /* Since this is connectionless, the data port is the
1062 * listening port. The listen() and accept() calls
1065 if ( slap_listeners[l]->sl_is_udp ) {
1066 slapd_add( slap_listeners[l]->sl_sd );
1071 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1072 int err = sock_errno();
1074 #ifdef LDAP_PF_INET6
1075 /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
1076 * we are already listening to in6addr_any, then we want to ignore
1077 * this and continue.
1079 if ( err == EADDRINUSE ) {
1081 struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
1082 struct sockaddr_in6 sa6;
1084 if ( sa.sin_family == AF_INET &&
1085 sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
1086 for ( i = 0 ; i < l; i++ ) {
1087 sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
1088 if ( sa6.sin6_family == AF_INET6 &&
1089 !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
1094 /* We are already listening to in6addr_any */
1096 LDAP_LOG(CONNECTION, WARNING,
1097 "slapd_daemon_task: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n", 0, 0, 0 );
1099 Debug( LDAP_DEBUG_CONNS,
1100 "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
1103 slapd_close( slap_listeners[l]->sl_sd );
1104 slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
1111 LDAP_LOG( CONNECTION, ERR,
1112 "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n",
1113 slap_listeners[l]->sl_url, err, sock_errstr(err) );
1115 Debug( LDAP_DEBUG_ANY,
1116 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1117 slap_listeners[l]->sl_url, err,
1120 return( (void*)-1 );
1123 slapd_add( slap_listeners[l]->sl_sd );
1126 #ifdef HAVE_NT_SERVICE_MANAGER
1127 if ( started_event != NULL ) {
1128 ldap_pvt_thread_cond_signal( &started_event );
1131 /* initialization complete. Here comes the loop. */
1133 while ( !slapd_shutdown ) {
1138 #define SLAPD_EBADF_LIMIT 16
1142 #define SLAPD_IDLE_CHECK_LIMIT 4
1150 #if defined(SLAPD_RLOOKUPS)
1153 struct timeval zero;
1154 struct timeval *tvp;
1157 now = slap_get_time();
1158 connections_timeout_idle( now );
1160 else if ( global_idletimeout > 0 ) {
1161 now = slap_get_time();
1162 if ( difftime( last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1163 connections_timeout_idle( now );
1168 if( slapd_gentle_shutdown ) {
1169 ber_socket_t active;
1171 if( slapd_gentle_shutdown == 1 ) {
1172 Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
1173 close_listeners( 1 );
1174 global_restrictops |= SLAP_RESTRICT_OP_WRITES;
1175 slapd_gentle_shutdown = 2;
1178 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1179 active = slap_daemon.sd_nactives;
1180 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1188 FD_ZERO( &writefds );
1189 FD_ZERO( &readfds );
1194 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1196 #ifdef FD_SET_MANUAL_COPY
1197 for( s = 0; s < nfds; s++ ) {
1198 if(FD_ISSET( &slap_sd_readers, s )) {
1199 FD_SET( s, &readfds );
1201 if(FD_ISSET( &slap_sd_writers, s )) {
1202 FD_SET( s, &writefds );
1206 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1207 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1209 assert(!FD_ISSET(wake_sds[0], &readfds));
1210 FD_SET( wake_sds[0], &readfds );
1212 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1213 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1215 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1216 FD_SET( slap_listeners[l]->sl_sd, &readfds );
1219 #ifndef HAVE_WINSOCK
1220 nfds = slap_daemon.sd_nfds;
1225 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1227 at = ldap_pvt_thread_pool_backload(&connection_pool);
1229 #if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
1232 tvp = at ? &zero : NULL;
1235 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1236 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1240 LDAP_LOG( CONNECTION, DETAIL1,
1241 "slapd_daemon_task: select: listen=%d "
1242 "active_threads=%d tvp=%s\n",
1243 slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" );
1245 Debug( LDAP_DEBUG_CONNS,
1246 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1247 slap_listeners[l]->sl_sd, at,
1248 tvp == NULL ? "NULL" : "zero" );
1252 switch(ns = select( nfds, &readfds,
1254 /* don't pass empty fd_set */
1255 ( writefds.fd_count > 0 ? &writefds : NULL ),
1261 case -1: { /* failure - try again */
1262 int err = sock_errno();
1266 /* you'd think this would be EBADF */
1267 || err == WSAENOTSOCK
1270 if (++ebadf < SLAPD_EBADF_LIMIT)
1274 if( err != EINTR ) {
1276 LDAP_LOG( CONNECTION, INFO,
1277 "slapd_daemon_task: select failed (%d): %s\n",
1278 err, sock_errstr(err), 0 );
1280 Debug( LDAP_DEBUG_CONNS,
1281 "daemon: select failed (%d): %s\n",
1282 err, sock_errstr(err), 0 );
1289 case 0: /* timeout - let threads run */
1292 LDAP_LOG( CONNECTION, DETAIL2,
1293 "slapd_daemon_task: select timeout - yielding\n", 0, 0, 0 );
1295 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1298 ldap_pvt_thread_yield();
1301 default: /* something happened - deal with it */
1302 if( slapd_shutdown ) continue;
1306 LDAP_LOG( CONNECTION, DETAIL2,
1307 "slapd_daemon_task: activity on %d descriptors\n", ns, 0, 0 );
1309 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1315 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1317 tcp_read( wake_sds[0], c, sizeof(c) );
1318 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
1324 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1326 socklen_t len = sizeof(from);
1329 char *authid = NULL;
1331 char *dnsname = NULL;
1333 #ifdef LDAP_PF_LOCAL
1334 char peername[MAXPATHLEN + sizeof("PATH=")];
1335 #elif defined(LDAP_PF_INET6)
1336 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1338 char peername[sizeof("IP=255.255.255.255:65336")];
1339 #endif /* LDAP_PF_LOCAL */
1343 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1346 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1349 #ifdef LDAP_CONNECTIONLESS
1350 if ( slap_listeners[l]->sl_is_udp ) {
1351 /* The first time we receive a query, we set this
1352 * up as a "connection". It remains open for the life
1355 if ( slap_listeners[l]->sl_is_udp < 2 ) {
1356 id = connection_init(
1357 slap_listeners[l]->sl_sd,
1358 slap_listeners[l]->sl_url, "", "",
1359 slap_listeners[l]->sl_name,
1361 slap_listeners[l]->sl_is_udp++;
1367 s = accept( slap_listeners[l]->sl_sd,
1368 (struct sockaddr *) &from, &len );
1369 if ( s == AC_SOCKET_INVALID ) {
1370 int err = sock_errno();
1373 if( err == EMFILE ) {
1378 if( err == ENFILE ) {
1388 LDAP_LOG( CONNECTION, ERR,
1389 "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n",
1390 (long)slap_listeners[l]->sl_sd,
1391 err, sock_errstr(err) );
1393 Debug( LDAP_DEBUG_ANY,
1394 "daemon: accept(%ld) failed errno=%d (%s)\n",
1395 (long) slap_listeners[l]->sl_sd, err,
1399 /* prevent busy loop */
1401 if( emfile % 4 == 3 ) usleep( 250 );
1403 if( emfile % 8 == 7 ) sleep( 1 );
1407 ldap_pvt_thread_yield();
1412 #ifndef HAVE_WINSOCK
1413 /* make sure descriptor number isn't too great */
1414 if ( s >= dtblsize ) {
1416 LDAP_LOG( CONNECTION, ERR,
1417 "slapd_daemon_task: %ld beyond descriptor table size %ld\n",
1418 (long)s, (long)dtblsize, 0 );
1420 Debug( LDAP_DEBUG_ANY,
1421 "daemon: %ld beyond descriptor table size %ld\n",
1422 (long) s, (long) dtblsize, 0 );
1426 ldap_pvt_thread_yield();
1432 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1434 /* newly accepted stream should not be in any of the FD SETS */
1435 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1436 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1437 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1439 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1442 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1443 #ifdef LDAP_PF_LOCAL
1444 /* for IPv4 and IPv6 sockets only */
1445 if ( from.sa_addr.sa_family != AF_LOCAL )
1446 #endif /* LDAP_PF_LOCAL */
1451 /* enable keep alives */
1453 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
1454 (char *) &tmp, sizeof(tmp) );
1455 if ( rc == AC_SOCKET_ERROR ) {
1456 int err = sock_errno();
1458 LDAP_LOG( CONNECTION, ERR,
1459 "slapd_daemon_task: setsockopt( %ld, SO_KEEPALIVE)"
1460 " failed errno=%d (%s)\n",
1461 (long)s, err, sock_errstr(err) );
1463 Debug( LDAP_DEBUG_ANY,
1464 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1465 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1470 /* enable no delay */
1472 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1473 (char *)&tmp, sizeof(tmp) );
1474 if ( rc == AC_SOCKET_ERROR ) {
1475 int err = sock_errno();
1477 LDAP_LOG( CONNECTION, ERR,
1478 "slapd_daemon_task: setsockopt( %ld, "
1479 "TCP_NODELAY) failed errno=%d (%s)\n",
1480 (long)s, err, sock_errstr(err) );
1482 Debug( LDAP_DEBUG_ANY,
1483 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1484 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1492 LDAP_LOG( CONNECTION, DETAIL1,
1493 "slapd_daemon_task: new connection on %ld\n", (long)s, 0, 0 );
1495 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1498 switch ( from.sa_addr.sa_family ) {
1499 # ifdef LDAP_PF_LOCAL
1501 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1502 ssf = LDAP_PVT_SASL_LOCAL_SSF;
1505 #endif /* LDAP_PF_LOCAL */
1507 # ifdef LDAP_PF_INET6
1509 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1510 peeraddr = inet_ntoa( *((struct in_addr *)
1511 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1512 sprintf( peername, "IP=%s:%d",
1513 peeraddr != NULL ? peeraddr : "unknown",
1514 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1516 char addr[INET6_ADDRSTRLEN];
1518 peeraddr = (char *) inet_ntop( AF_INET6,
1519 &from.sa_in6_addr.sin6_addr,
1520 addr, sizeof addr );
1521 sprintf( peername, "IP=%s %d",
1522 peeraddr != NULL ? peeraddr : "unknown",
1523 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1526 # endif /* LDAP_PF_INET6 */
1529 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1530 sprintf( peername, "IP=%s:%d",
1531 peeraddr != NULL ? peeraddr : "unknown",
1532 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1540 if ( ( from.sa_addr.sa_family == AF_INET )
1541 #ifdef LDAP_PF_INET6
1542 || ( from.sa_addr.sa_family == AF_INET6 )
1545 #ifdef SLAPD_RLOOKUPS
1546 if ( use_reverse_lookup ) {
1547 # ifdef LDAP_PF_INET6
1548 if ( from.sa_addr.sa_family == AF_INET6 )
1550 (char *)&(from.sa_in6_addr.sin6_addr),
1551 sizeof(from.sa_in6_addr.sin6_addr),
1554 # endif /* LDAP_PF_INET6 */
1556 (char *) &(from.sa_in_addr.sin_addr),
1557 sizeof(from.sa_in_addr.sin_addr),
1559 dnsname = hp ? ldap_pvt_str2lower( hp->h_name ) : NULL;
1563 #endif /* SLAPD_RLOOKUPS */
1566 if ( !hosts_ctl("slapd",
1567 dnsname != NULL ? dnsname : STRING_UNKNOWN,
1568 peeraddr != NULL ? peeraddr : STRING_UNKNOWN,
1572 Statslog( LDAP_DEBUG_ANY,
1573 "fd=%ld host access from %s (%s) denied.\n",
1575 dnsname != NULL ? dnsname : "unknown",
1576 peeraddr != NULL ? peeraddr : "unknown",
1581 #endif /* HAVE_TCPD */
1584 id = connection_init(s,
1585 slap_listeners[l]->sl_url,
1586 dnsname != NULL ? dnsname : "unknown",
1588 slap_listeners[l]->sl_name,
1590 slap_listeners[l]->sl_is_tls,
1597 if( authid ) ch_free(authid);
1601 LDAP_LOG( CONNECTION, INFO,
1602 "slapd_daemon_task: connection_init(%ld, %s, %s) failed.\n",
1603 (long)s, peername, slap_listeners[l]->sl_name );
1605 Debug( LDAP_DEBUG_ANY,
1606 "daemon: connection_init(%ld, %s, %s) failed.\n",
1609 slap_listeners[l]->sl_name );
1615 Statslog( LDAP_DEBUG_STATS,
1616 "daemon: conn=%ld fd=%ld connection from %s (%s) accepted.\n",
1619 slap_listeners[l]->sl_name,
1628 LDAP_LOG( CONNECTION, DETAIL2,
1629 "slapd_daemon_task: activity on ", 0, 0, 0 );
1631 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1634 for ( i = 0; i < readfds.fd_count; i++ ) {
1636 LDAP_LOG( CONNECTION, DETAIL2,
1637 " %d%s", readfds.fd_array[i], "r", 0, 0 );
1639 Debug( LDAP_DEBUG_CONNS, " %d%s",
1640 readfds.fd_array[i], "r", 0 );
1643 for ( i = 0; i < writefds.fd_count; i++ ) {
1645 LDAP_LOG( CONNECTION, DETAIL2,
1646 " %d%s", writefds.fd_array[i], "w" , 0 );
1648 Debug( LDAP_DEBUG_CONNS, " %d%s",
1649 writefds.fd_array[i], "w", 0 );
1654 for ( i = 0; i < nfds; i++ ) {
1656 int is_listener = 0;
1658 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1659 if ( i == slap_listeners[l]->sl_sd ) {
1660 #ifdef LDAP_CONNECTIONLESS
1661 /* The listener is the data port. Don't
1664 if (slap_listeners[l]->sl_is_udp) continue;
1670 if ( is_listener ) {
1673 r = FD_ISSET( i, &readfds );
1674 w = FD_ISSET( i, &writefds );
1677 LDAP_LOG( CONNECTION, DETAIL2,
1678 " %d%s%s", i, r ? "r" : "", w ? "w" : "" );
1680 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1681 r ? "r" : "", w ? "w" : "" );
1687 LDAP_LOG( CONNECTION, DETAIL2, "\n", 0, 0, 0 );
1689 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1694 /* loop through the writers */
1696 for ( i = 0; i < writefds.fd_count; i++ )
1698 for ( i = 0; i < nfds; i++ )
1702 int is_listener = 0;
1704 wd = writefds.fd_array[i];
1706 if( ! FD_ISSET( i, &writefds ) ) {
1712 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1713 if ( i == slap_listeners[l]->sl_sd ) {
1714 #ifdef LDAP_CONNECTIONLESS
1715 if (slap_listeners[l]->sl_is_udp) continue;
1721 if ( is_listener ) {
1725 LDAP_LOG( CONNECTION, DETAIL2,
1726 "slapd_daemon_task: write active on %d\n", wd, 0, 0 );
1728 Debug( LDAP_DEBUG_CONNS,
1729 "daemon: write active on %d\n",
1733 * NOTE: it is possible that the connection was closed
1734 * and that the stream is now inactive.
1735 * connection_write() must valid the stream is still
1739 if ( connection_write( wd ) < 0 ) {
1740 FD_CLR( (unsigned) wd, &readfds );
1746 for ( i = 0; i < readfds.fd_count; i++ )
1748 for ( i = 0; i < nfds; i++ )
1752 int is_listener = 0;
1755 rd = readfds.fd_array[i];
1757 if( ! FD_ISSET( i, &readfds ) ) {
1763 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1764 if ( rd == slap_listeners[l]->sl_sd ) {
1765 #ifdef LDAP_CONNECTIONLESS
1766 if (slap_listeners[l]->sl_is_udp) continue;
1772 if ( is_listener ) {
1777 LDAP_LOG( CONNECTION, DETAIL2,
1778 "slapd_daemon_task: read activity on %d\n", rd, 0, 0 );
1780 Debug ( LDAP_DEBUG_CONNS,
1781 "daemon: read activity on %d\n", rd, 0, 0 );
1784 * NOTE: it is possible that the connection was closed
1785 * and that the stream is now inactive.
1786 * connection_read() must valid the stream is still
1790 if ( connection_read( rd ) < 0 ) {
1794 ldap_pvt_thread_yield();
1797 if( slapd_shutdown == 1 ) {
1799 LDAP_LOG( CONNECTION, CRIT,
1800 "slapd_daemon_task: shutdown requested and initiated.\n", 0, 0, 0 );
1802 Debug( LDAP_DEBUG_TRACE,
1803 "daemon: shutdown requested and initiated.\n",
1807 } else if ( slapd_shutdown == 2 ) {
1808 #ifdef HAVE_NT_SERVICE_MANAGER
1810 LDAP_LOG( CONNECTION, CRIT,
1811 "slapd_daemon_task: shutdown initiated by Service Manager.\n",
1814 Debug( LDAP_DEBUG_TRACE,
1815 "daemon: shutdown initiated by Service Manager.\n",
1818 #else /* !HAVE_NT_SERVICE_MANAGER */
1820 LDAP_LOG( CONNECTION, CRIT,
1821 "slapd_daemon_task: abnormal condition, "
1822 "shutdown initiated.\n", 0, 0, 0 );
1824 Debug( LDAP_DEBUG_TRACE,
1825 "daemon: abnormal condition, shutdown initiated.\n",
1828 #endif /* !HAVE_NT_SERVICE_MANAGER */
1831 LDAP_LOG( CONNECTION, CRIT,
1832 "slapd_daemon_task: no active streams, shutdown initiated.\n",
1835 Debug( LDAP_DEBUG_TRACE,
1836 "daemon: no active streams, shutdown initiated.\n",
1841 if( slapd_gentle_shutdown != 2 )
1842 close_listeners ( 0 );
1843 free ( slap_listeners );
1844 slap_listeners = NULL;
1847 LDAP_LOG( CONNECTION, CRIT,
1848 "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n",
1849 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1851 Debug( LDAP_DEBUG_ANY,
1852 "slapd shutdown: waiting for %d threads to terminate\n",
1853 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1855 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1861 int slapd_daemon( void )
1867 #define SLAPD_LISTENER_THREAD 1
1868 #if defined( SLAPD_LISTENER_THREAD )
1870 ldap_pvt_thread_t listener_tid;
1872 /* listener as a separate THREAD */
1873 rc = ldap_pvt_thread_create( &listener_tid,
1874 0, slapd_daemon_task, NULL );
1878 LDAP_LOG( CONNECTION, ERR,
1879 "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n",
1882 Debug( LDAP_DEBUG_ANY,
1883 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
1888 /* wait for the listener thread to complete */
1889 ldap_pvt_thread_join( listener_tid, (void *) NULL );
1892 /* experimental code */
1893 slapd_daemon_task( NULL );
1902 #if defined( HAVE_WINSOCK2 )
1903 WORD wVersionRequested;
1907 wVersionRequested = MAKEWORD( 2, 0 );
1909 err = WSAStartup( wVersionRequested, &wsaData );
1911 /* Tell the user that we couldn't find a usable */
1916 /* Confirm that the WinSock DLL supports 2.0.*/
1917 /* Note that if the DLL supports versions greater */
1918 /* than 2.0 in addition to 2.0, it will still return */
1919 /* 2.0 in wVersion since that is the version we */
1922 if ( LOBYTE( wsaData.wVersion ) != 2 ||
1923 HIBYTE( wsaData.wVersion ) != 0 )
1925 /* Tell the user that we couldn't find a usable */
1931 /* The WinSock DLL is acceptable. Proceed. */
1932 #elif defined( HAVE_WINSOCK )
1934 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
1941 int sockdestroy(void)
1943 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
1950 slap_sig_shutdown( int sig )
1953 LDAP_LOG( CONNECTION, CRIT,
1954 "slap_sig_shutdown: signal %d\n", sig, 0, 0 );
1956 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
1960 * If the NT Service Manager is controlling the server, we don't
1961 * want SIGBREAK to kill the server. For some strange reason,
1962 * SIGBREAK is generated when a user logs out.
1965 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
1966 if (is_NT_Service && sig == SIGBREAK)
1968 LDAP_LOG( CONNECTION, CRIT,
1969 "slap_sig_shutdown: SIGBREAK ignored.\n", 0, 0, 0 );
1971 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
1977 if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
1978 slapd_gentle_shutdown = 1;
1985 /* reinstall self */
1986 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
1990 slap_sig_wake( int sig )
1994 /* reinstall self */
1995 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
1999 void slapd_add_internal(ber_socket_t s) {
2003 Listener ** slapd_get_listeners(void) {
2004 return slap_listeners;