2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1998-2004 The OpenLDAP Foundation.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted only as authorized by the OpenLDAP
11 * A copy of this license is available in the file LICENSE in the
12 * top-level directory of the distribution or, alternatively, at
13 * <http://www.OpenLDAP.org/license.html>.
15 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
16 * All rights reserved.
18 * Redistribution and use in source and binary forms are permitted
19 * provided that this notice is preserved and that due credit is given
20 * to the University of Michigan at Ann Arbor. The name of the University
21 * may not be used to endorse or promote products derived from this
22 * software without specific prior written permission. This software
23 * is provided ``as is'' without express or implied warranty.
32 #include <ac/socket.h>
33 #include <ac/string.h>
35 #include <ac/unistd.h>
38 #include "ldap_pvt_thread.h"
45 #define SLAP_STRING_UNKNOWN STRING_UNKNOWN
47 int allow_severity = LOG_INFO;
48 int deny_severity = LOG_NOTICE;
49 #else /* ! TCP Wrappers */
50 #define SLAP_STRING_UNKNOWN "unknown"
51 #endif /* ! TCP Wrappers */
55 /* this should go in <ldap.h> as soon as it is accepted */
56 #define LDAPI_MOD_URLEXT "x-mod"
57 #endif /* LDAP_PF_LOCAL */
60 int slap_inet4or6 = AF_UNSPEC;
62 int slap_inet4or6 = AF_INET;
66 Listener **slap_listeners = NULL;
68 #define SLAPD_LISTEN 10
70 static ber_socket_t wake_sds[2];
73 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
75 #define WAKE_LISTENER(w) \
76 ((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
78 #define WAKE_LISTENER(w) \
79 do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
82 static struct slap_daemon {
83 ldap_pvt_thread_mutex_t sd_mutex;
85 ber_socket_t sd_nactives;
88 /* In winsock, accept() returns values higher than dtblsize
89 so don't bother with this optimization */
102 * SLP related functions
106 #define LDAP_SRVTYPE_PREFIX "service:ldap://"
107 #define LDAPS_SRVTYPE_PREFIX "service:ldaps://"
108 static char** slapd_srvurls = NULL;
109 static SLPHandle slapd_hslp = 0;
111 void slapd_slp_init( const char* urls ) {
114 slapd_srvurls = ldap_str2charray( urls, " " );
116 if( slapd_srvurls == NULL ) return;
118 /* find and expand INADDR_ANY URLs */
119 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
120 if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) {
121 char *host = ldap_pvt_get_fqdn( NULL );
122 if ( host != NULL ) {
123 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
125 sizeof( LDAP_SRVTYPE_PREFIX ) );
126 strcpy( lutil_strcopy(slapd_srvurls[i],
127 LDAP_SRVTYPE_PREFIX ), host );
132 } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) {
133 char *host = ldap_pvt_get_fqdn( NULL );
134 if ( host != NULL ) {
135 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
137 sizeof( LDAPS_SRVTYPE_PREFIX ) );
138 strcpy( lutil_strcopy(slapd_srvurls[i],
139 LDAPS_SRVTYPE_PREFIX ), host );
146 /* open the SLP handle */
147 SLPOpen( "en", 0, &slapd_hslp );
150 void slapd_slp_deinit() {
151 if( slapd_srvurls == NULL ) return;
153 ldap_charray_free( slapd_srvurls );
154 slapd_srvurls = NULL;
156 /* close the SLP handle */
157 SLPClose( slapd_hslp );
160 void slapd_slp_regreport(
168 void slapd_slp_reg() {
171 if( slapd_srvurls == NULL ) return;
173 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
174 if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
175 sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
176 strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
177 sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
181 SLP_LIFETIME_MAXIMUM,
191 void slapd_slp_dereg() {
194 if( slapd_srvurls == NULL ) return;
196 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
197 SLPDereg( slapd_hslp,
203 #endif /* HAVE_SLP */
206 * Add a descriptor to daemon control
208 * If isactive, the descriptor is a live server session and is subject
209 * to idletimeout control. Otherwise, the descriptor is a passive
210 * listener or an outbound client session, and not subject to
213 static void slapd_add(ber_socket_t s, int isactive) {
214 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
216 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
217 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
218 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
221 if (s >= slap_daemon.sd_nfds) {
222 slap_daemon.sd_nfds = s + 1;
227 slap_daemon.sd_nactives++;
230 FD_SET( s, &slap_daemon.sd_actives );
231 FD_SET( s, &slap_daemon.sd_readers );
233 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
235 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
236 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
237 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
241 * Remove the descriptor from daemon control
243 void slapd_remove(ber_socket_t s, int wasactive, int wake) {
244 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
247 slap_daemon.sd_nactives--;
250 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
252 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
253 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
254 FD_CLR( s, &slap_daemon.sd_actives );
255 FD_CLR( s, &slap_daemon.sd_readers );
256 FD_CLR( s, &slap_daemon.sd_writers );
258 /* If we ran out of file descriptors, we dropped a listener from
259 * the select() loop. Now that we're removing a session from our
260 * control, we can try to resume a dropped listener to use.
264 for ( i = 0; slap_listeners[i] != NULL; i++ ) {
265 if ( slap_listeners[i]->sl_sd != AC_SOCKET_INVALID ) {
266 if ( slap_listeners[i]->sl_sd == s ) continue;
267 if ( slap_listeners[i]->sl_is_mute ) {
268 slap_listeners[i]->sl_is_mute = 0;
274 /* Walked the entire list without enabling anything; emfile
275 * counter is stale. Reset it.
277 if ( slap_listeners[i] == NULL )
280 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
281 WAKE_LISTENER(wake || SLAPD_GLOBAL(gentle_shutdown) == 2);
284 void slapd_clr_write(ber_socket_t s, int wake) {
285 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
287 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
288 FD_CLR( s, &slap_daemon.sd_writers );
290 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
294 void slapd_set_write(ber_socket_t s, int wake) {
295 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
297 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
298 if (!FD_ISSET(s, &slap_daemon.sd_writers))
299 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
301 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
305 void slapd_clr_read(ber_socket_t s, int wake) {
306 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
308 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
309 FD_CLR( s, &slap_daemon.sd_readers );
311 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
315 void slapd_set_read(ber_socket_t s, int wake) {
316 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
318 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
319 if (!FD_ISSET(s, &slap_daemon.sd_readers))
320 FD_SET( s, &slap_daemon.sd_readers );
322 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
326 static void slapd_close(ber_socket_t s) {
327 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
332 static void slap_free_listener_addresses(struct sockaddr **sal)
334 struct sockaddr **sap;
340 for (sap = sal; *sap != NULL; sap++) {
347 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
348 static int get_url_perms(
360 for ( i = 0; exts[ i ]; i++ ) {
361 char *type = exts[ i ];
364 if ( type[ 0 ] == '!' ) {
369 if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
371 + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
375 switch (strlen(value)) {
377 /* skip leading '0' */
378 if ( value[ 0 ] != '0' ) {
384 for ( j = 0; j < 3; j++) {
387 v = value[ j ] - '0';
389 if ( v < 0 || v > 7 ) {
398 for ( j = 1; j < 10; j++ ) {
399 static mode_t m[] = { 0,
400 S_IRUSR, S_IWUSR, S_IXUSR,
401 S_IRGRP, S_IWGRP, S_IXGRP,
402 S_IROTH, S_IWOTH, S_IXOTH
404 static char c[] = "-rwxrwxrwx";
406 if ( value[ j ] == c[ j ] ) {
409 } else if ( value[ j ] != '-' ) {
428 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
430 /* port = 0 indicates AF_LOCAL */
431 static int slap_get_listener_addresses(
434 struct sockaddr ***sal)
436 struct sockaddr **sap;
440 *sal = ch_malloc(2 * sizeof(void *));
446 *sap = ch_malloc(sizeof(struct sockaddr_un));
452 (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
453 Debug( LDAP_DEBUG_ANY,
454 "daemon: domain socket path (%s) too long in URL",
459 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
460 (*sap)->sa_family = AF_LOCAL;
461 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
465 #ifdef HAVE_GETADDRINFO
466 struct addrinfo hints, *res, *sai;
470 memset( &hints, '\0', sizeof(hints) );
471 hints.ai_flags = AI_PASSIVE;
472 hints.ai_socktype = SOCK_STREAM;
473 hints.ai_family = slap_inet4or6;
474 snprintf(serv, sizeof serv, "%d", port);
476 if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
477 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
478 AC_GAI_STRERROR(err), 0, 0);
483 for (n=2; (sai = sai->ai_next) != NULL; n++) {
486 *sal = ch_calloc(n, sizeof(void *));
494 for ( sai=res; sai; sai=sai->ai_next ) {
495 if( sai->ai_addr == NULL ) {
496 Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
497 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
502 switch (sai->ai_family) {
503 # ifdef LDAP_PF_INET6
505 *sap = ch_malloc(sizeof(struct sockaddr_in6));
510 *(struct sockaddr_in6 *)*sap =
511 *((struct sockaddr_in6 *)sai->ai_addr);
515 *sap = ch_malloc(sizeof(struct sockaddr_in));
520 *(struct sockaddr_in *)*sap =
521 *((struct sockaddr_in *)sai->ai_addr);
529 (*sap)->sa_family = sai->ai_family;
539 struct hostent *he = NULL;
541 if ( host == NULL ) {
542 in.s_addr = htonl(INADDR_ANY);
544 } else if ( !inet_aton( host, &in ) ) {
545 he = gethostbyname( host );
547 Debug( LDAP_DEBUG_ANY,
548 "daemon: invalid host %s", host, 0, 0);
551 for (n = 0; he->h_addr_list[n]; n++) ;
554 *sal = ch_malloc((n+1) * sizeof(void *));
560 for ( i = 0; i<n; i++ ) {
561 sap[i] = ch_malloc(sizeof(struct sockaddr_in));
565 (void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
566 sap[i]->sa_family = AF_INET;
567 ((struct sockaddr_in *)sap[i])->sin_port = htons(port);
569 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
571 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
581 slap_free_listener_addresses(*sal);
585 static int slap_open_listener(
596 int err, addrlen = 0;
597 struct sockaddr **sal, **psal;
598 int socktype = SOCK_STREAM; /* default to COTS */
600 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
605 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
607 rc = ldap_url_parse( url, &lud );
609 if( rc != LDAP_URL_SUCCESS ) {
610 Debug( LDAP_DEBUG_ANY,
611 "daemon: listen URL \"%s\" parse error=%d\n",
616 l.sl_url.bv_val = NULL;
620 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
621 Debug( LDAP_DEBUG_ANY,
622 "daemon: TLS not supported (%s)\n",
624 ldap_free_urldesc( lud );
628 if(! lud->lud_port ) {
629 lud->lud_port = LDAP_PORT;
633 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
635 if(! lud->lud_port ) {
636 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
640 port = (unsigned short) lud->lud_port;
642 tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
643 if ( tmp == LDAP_PROTO_IPC ) {
645 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
646 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
648 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
652 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
654 ldap_free_urldesc( lud );
658 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
659 || strcmp(lud->lud_host, "*") == 0 )
661 err = slap_get_listener_addresses(NULL, port, &sal);
663 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
666 #ifdef LDAP_CONNECTIONLESS
667 l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
670 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
671 if ( lud->lud_exts ) {
672 err = get_url_perms( lud->lud_exts, &l.sl_perms, &crit );
674 l.sl_perms = S_IRWXU | S_IRWXO;
676 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
678 ldap_free_urldesc( lud );
683 /* If we got more than one address returned, we need to make space
684 * for it in the slap_listeners array.
686 for ( num=0; sal[num]; num++ );
689 slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
693 while ( *sal != NULL ) {
695 switch( (*sal)->sa_family ) {
713 #ifdef LDAP_CONNECTIONLESS
714 if( l.sl_is_udp ) socktype = SOCK_DGRAM;
716 l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
717 if ( l.sl_sd == AC_SOCKET_INVALID ) {
718 int err = sock_errno();
719 Debug( LDAP_DEBUG_ANY,
720 "daemon: %s socket() failed errno=%d (%s)\n",
721 af, err, sock_errstr(err) );
726 if ( l.sl_sd >= SLAPD_GLOBAL(dtblsize) ) {
727 Debug( LDAP_DEBUG_ANY,
728 "daemon: listener descriptor %ld is too great %ld\n",
729 (long) l.sl_sd, (long) SLAPD_GLOBAL(dtblsize), 0 );
730 tcp_close( l.sl_sd );
736 if ( (*sal)->sa_family == AF_LOCAL ) {
737 unlink ( ((struct sockaddr_un *)*sal)->sun_path );
742 /* enable address reuse */
744 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
745 (char *) &tmp, sizeof(tmp) );
746 if ( rc == AC_SOCKET_ERROR ) {
747 int err = sock_errno();
748 Debug( LDAP_DEBUG_ANY,
749 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
750 (long) l.sl_sd, err, sock_errstr(err) );
755 switch( (*sal)->sa_family ) {
757 addrlen = sizeof(struct sockaddr_in);
762 /* Try to use IPv6 sockets for IPv6 only */
764 rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
765 (char *) &tmp, sizeof(tmp) );
766 if ( rc == AC_SOCKET_ERROR ) {
767 int err = sock_errno();
768 Debug( LDAP_DEBUG_ANY,
769 "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
770 (long) l.sl_sd, err, sock_errstr(err) );
773 addrlen = sizeof(struct sockaddr_in6);
778 addrlen = sizeof(struct sockaddr_un);
783 if (bind(l.sl_sd, *sal, addrlen)) {
785 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
786 (long) l.sl_sd, err, sock_errstr(err) );
787 tcp_close( l.sl_sd );
792 switch ( (*sal)->sa_family ) {
795 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
796 #if 0 /* don't muck with socket perms */
797 if ( chmod( addr, l.sl_perms ) < 0 && crit ) {
798 int err = sock_errno();
799 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
800 (long) l.sl_sd, err, sock_errstr(err) );
801 tcp_close( l.sl_sd );
802 slap_free_listener_addresses(psal);
806 l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
807 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
808 snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
811 #endif /* LDAP_PF_LOCAL */
815 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
816 char addr[INET_ADDRSTRLEN];
817 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
818 addr, sizeof(addr) );
821 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
823 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
824 l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
825 snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
827 s != NULL ? s : SLAP_STRING_UNKNOWN, port );
828 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
833 char addr[INET6_ADDRSTRLEN];
834 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
836 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
837 l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
838 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
839 snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
841 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
843 #endif /* LDAP_PF_INET6 */
846 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
847 (int) (*sal)->sa_family, 0, 0 );
851 AC_MEMCPY(&l.sl_sa, *sal, addrlen);
852 ber_str2bv( url, 0, 1, &l.sl_url);
853 li = ch_malloc( sizeof( Listener ) );
855 slap_listeners[*cur] = li;
859 } /* while ( *sal != NULL ) */
861 slap_free_listener_addresses(psal);
863 if ( l.sl_url.bv_val == NULL )
865 Debug( LDAP_DEBUG_TRACE,
866 "slap_open_listener: failed on %s\n", url, 0, 0 );
870 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
871 l.sl_url.bv_val, 0, 0 );
875 static int sockinit(void);
876 static int sockdestroy(void);
878 int slapd_daemon_init( const char *urls )
883 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
884 urls ? urls : "<null>", 0, 0 );
885 if( (rc = sockinit()) != 0 ) {
889 /* open a pipe (or something equivalent connected to itself).
890 * we write a byte on this fd whenever we catch a signal. The main
891 * loop will be select'ing on this socket, and will wake up when
894 if( (rc = lutil_pair( wake_sds )) < 0 ) {
895 Debug( LDAP_DEBUG_ANY,
896 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
900 FD_ZERO( &slap_daemon.sd_readers );
901 FD_ZERO( &slap_daemon.sd_writers );
907 u = ldap_str2charray( urls, " " );
909 if( u == NULL || u[0] == NULL ) {
910 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
915 for( i=0; u[i] != NULL; i++ ) {
916 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
921 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
923 ldap_charray_free( u );
927 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
929 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
931 for(n = 0, j = 0; u[n]; n++ ) {
932 if ( slap_open_listener( u[n], &i, &j ) ) {
933 ldap_charray_free( u );
937 slap_listeners[j] = NULL;
939 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
943 if( SLAPD_GLOBAL(register_slp) ) {
944 slapd_slp_init( urls );
949 ldap_charray_free( u );
950 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
956 slapd_daemon_destroy(void)
958 connections_destroy();
959 tcp_close( wake_sds[1] );
960 tcp_close( wake_sds[0] );
964 if( SLAPD_GLOBAL(register_slp) ) {
981 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
982 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
984 slapd_remove( slap_listeners[l]->sl_sd, 0, 0 );
986 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
987 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
989 #endif /* LDAP_PF_LOCAL */
990 slapd_close( slap_listeners[l]->sl_sd );
992 if ( slap_listeners[l]->sl_url.bv_val )
993 ber_memfree( slap_listeners[l]->sl_url.bv_val );
994 if ( slap_listeners[l]->sl_name.bv_val )
995 ber_memfree( slap_listeners[l]->sl_name.bv_val );
996 free ( slap_listeners[l] );
997 slap_listeners[l] = NULL;
1008 time_t last_idle_check = 0;
1009 struct timeval idle;
1011 #define SLAPD_IDLE_CHECK_LIMIT 4
1013 if ( SLAPD_GLOBAL(idletimeout) > 0 ) {
1014 last_idle_check = slap_get_time();
1015 /* Set the select timeout.
1016 * Don't just truncate, preserve the fractions of
1017 * seconds to prevent sleeping for zero time.
1019 idle.tv_sec = SLAPD_GLOBAL(idletimeout)/SLAPD_IDLE_CHECK_LIMIT;
1020 idle.tv_usec = SLAPD_GLOBAL(idletimeout) - idle.tv_sec * SLAPD_IDLE_CHECK_LIMIT;
1021 idle.tv_usec *= 1000000 / SLAPD_IDLE_CHECK_LIMIT;
1027 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1028 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1030 #ifdef LDAP_CONNECTIONLESS
1031 /* Since this is connectionless, the data port is the
1032 * listening port. The listen() and accept() calls
1035 if ( slap_listeners[l]->sl_is_udp ) {
1036 slapd_add( slap_listeners[l]->sl_sd, 1 );
1041 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1042 int err = sock_errno();
1044 #ifdef LDAP_PF_INET6
1045 /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
1046 * we are already listening to in6addr_any, then we want to ignore
1047 * this and continue.
1049 if ( err == EADDRINUSE ) {
1051 struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
1052 struct sockaddr_in6 sa6;
1054 if ( sa.sin_family == AF_INET &&
1055 sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
1056 for ( i = 0 ; i < l; i++ ) {
1057 sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
1058 if ( sa6.sin6_family == AF_INET6 &&
1059 !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
1064 /* We are already listening to in6addr_any */
1065 Debug( LDAP_DEBUG_CONNS,
1066 "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
1068 slapd_close( slap_listeners[l]->sl_sd );
1069 slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
1075 Debug( LDAP_DEBUG_ANY,
1076 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1077 slap_listeners[l]->sl_url.bv_val, err,
1079 return( (void*)-1 );
1082 slapd_add( slap_listeners[l]->sl_sd, 0 );
1085 #ifdef HAVE_NT_SERVICE_MANAGER
1086 if ( started_event != NULL ) {
1087 ldap_pvt_thread_cond_signal( &started_event );
1090 /* initialization complete. Here comes the loop. */
1092 while ( !SLAPD_GLOBAL(shutdown) ) {
1097 #define SLAPD_EBADF_LIMIT 16
1107 struct timeval *tvp;
1109 struct timeval *cat;
1112 now = slap_get_time();
1114 if( ( SLAPD_GLOBAL(idletimeout) > 0 ) &&
1115 difftime( last_idle_check +
1116 SLAPD_GLOBAL(idletimeout)/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1117 connections_timeout_idle( now );
1118 last_idle_check = now;
1123 if( SLAPD_GLOBAL(gentle_shutdown) ) {
1124 ber_socket_t active;
1126 if( SLAPD_GLOBAL(gentle_shutdown) == 1 ) {
1127 Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
1128 close_listeners( 1 );
1129 frontendDB->be_restrictops |= SLAP_RESTRICT_OP_WRITES;
1130 SLAPD_GLOBAL(gentle_shutdown) = 2;
1133 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1134 active = slap_daemon.sd_nactives;
1135 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1137 SLAPD_GLOBAL(shutdown) = 2;
1143 FD_ZERO( &writefds );
1144 FD_ZERO( &readfds );
1148 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1150 #ifdef FD_SET_MANUAL_COPY
1151 for( s = 0; s < nfds; s++ ) {
1152 if(FD_ISSET( &slap_sd_readers, s )) {
1153 FD_SET( s, &readfds );
1155 if(FD_ISSET( &slap_sd_writers, s )) {
1156 FD_SET( s, &writefds );
1160 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1161 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1163 assert(!FD_ISSET(wake_sds[0], &readfds));
1164 FD_SET( wake_sds[0], &readfds );
1166 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1167 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1169 if ( slap_listeners[l]->sl_is_mute )
1170 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1172 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1173 FD_SET( slap_listeners[l]->sl_sd, &readfds );
1176 #ifndef HAVE_WINSOCK
1177 nfds = slap_daemon.sd_nfds;
1179 nfds = SLAPD_GLOBAL(dtblsize);
1181 if ( SLAPD_GLOBAL(idletimeout) && slap_daemon.sd_nactives )
1184 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1187 #if defined(HAVE_YIELDING_SELECT) || defined(NO_THREADS)
1188 && ( tv.tv_sec || tv.tv_usec )
1195 ldap_pvt_thread_mutex_lock( &SLAPD_GLOBAL(runqueue).rq_mutex );
1196 rtask = ldap_pvt_runqueue_next_sched( &SLAPD_GLOBAL(runqueue), &cat );
1197 while ( cat && cat->tv_sec && cat->tv_sec <= now ) {
1198 if ( ldap_pvt_runqueue_isrunning( &SLAPD_GLOBAL(runqueue), rtask )) {
1199 ldap_pvt_runqueue_resched( &SLAPD_GLOBAL(runqueue), rtask, 0 );
1201 ldap_pvt_runqueue_runtask( &SLAPD_GLOBAL(runqueue), rtask );
1202 ldap_pvt_runqueue_resched( &SLAPD_GLOBAL(runqueue), rtask, 0 );
1203 ldap_pvt_thread_mutex_unlock( &SLAPD_GLOBAL(runqueue).rq_mutex );
1204 ldap_pvt_thread_pool_submit( &SLAPD_GLOBAL(connection_pool), rtask->routine, (void *) rtask );
1205 ldap_pvt_thread_mutex_lock( &SLAPD_GLOBAL(runqueue).rq_mutex );
1207 rtask = ldap_pvt_runqueue_next_sched( &SLAPD_GLOBAL(runqueue), &cat );
1209 ldap_pvt_thread_mutex_unlock( &SLAPD_GLOBAL(runqueue).rq_mutex );
1211 if ( cat != NULL ) {
1212 time_t diff = difftime( cat->tv_sec, now );
1215 if ( tvp == NULL || diff < tv.tv_sec ) {
1222 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1223 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ||
1224 slap_listeners[l]->sl_is_mute )
1227 Debug( LDAP_DEBUG_CONNS,
1228 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1229 slap_listeners[l]->sl_sd, at,
1230 tvp == NULL ? "NULL" : "zero" );
1233 switch(ns = select( nfds, &readfds,
1235 /* don't pass empty fd_set */
1236 ( writefds.fd_count > 0 ? &writefds : NULL ),
1242 case -1: { /* failure - try again */
1243 int err = sock_errno();
1247 /* you'd think this would be EBADF */
1248 || err == WSAENOTSOCK
1251 if (++ebadf < SLAPD_EBADF_LIMIT)
1255 if( err != EINTR ) {
1256 Debug( LDAP_DEBUG_CONNS,
1257 "daemon: select failed (%d): %s\n",
1258 err, sock_errstr(err), 0 );
1259 SLAPD_GLOBAL(shutdown) = 2;
1264 case 0: /* timeout - let threads run */
1266 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1269 ldap_pvt_thread_yield();
1272 default: /* something happened - deal with it */
1273 if( SLAPD_GLOBAL(shutdown) ) continue;
1276 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1281 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1283 tcp_read( wake_sds[0], c, sizeof(c) );
1284 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
1290 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1292 socklen_t len = sizeof(from);
1295 struct berval authid = BER_BVNULL;
1296 #ifdef SLAPD_RLOOKUPS
1297 char hbuf[NI_MAXHOST];
1300 char *dnsname = NULL;
1301 char *peeraddr = NULL;
1302 #ifdef LDAP_PF_LOCAL
1303 char peername[MAXPATHLEN + sizeof("PATH=")];
1304 #elif defined(LDAP_PF_INET6)
1305 char peername[sizeof(
1306 "IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1308 char peername[sizeof("IP=255.255.255.255:65336")];
1309 #endif /* LDAP_PF_LOCAL */
1313 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1316 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1319 #ifdef LDAP_CONNECTIONLESS
1320 if ( slap_listeners[l]->sl_is_udp ) {
1321 /* The first time we receive a query, we set this
1322 * up as a "connection". It remains open for the life
1325 if ( slap_listeners[l]->sl_is_udp < 2 ) {
1326 id = connection_init(
1327 slap_listeners[l]->sl_sd,
1328 slap_listeners[l], "", "",
1329 CONN_IS_UDP, ssf, NULL );
1330 slap_listeners[l]->sl_is_udp++;
1336 /* Don't need to look at this in the data loops */
1337 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1338 FD_CLR( slap_listeners[l]->sl_sd, &writefds );
1340 # ifdef LDAP_PF_LOCAL
1341 /* FIXME: apparently accept doesn't fill
1342 * the sun_path sun_path member */
1343 from.sa_un_addr.sun_path[0] = '\0';
1344 # endif /* LDAP_PF_LOCAL */
1345 s = accept( slap_listeners[l]->sl_sd,
1346 (struct sockaddr *) &from, &len );
1347 if ( s == AC_SOCKET_INVALID ) {
1348 int err = sock_errno();
1359 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1361 /* Stop listening until an existing session closes */
1362 slap_listeners[l]->sl_is_mute = 1;
1363 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1366 Debug( LDAP_DEBUG_ANY,
1367 "daemon: accept(%ld) failed errno=%d (%s)\n",
1368 (long) slap_listeners[l]->sl_sd, err,
1370 ldap_pvt_thread_yield();
1374 #ifndef HAVE_WINSOCK
1375 /* make sure descriptor number isn't too great */
1376 if ( s >= SLAPD_GLOBAL(dtblsize) ) {
1377 Debug( LDAP_DEBUG_ANY,
1378 "daemon: %ld beyond descriptor table size %ld\n",
1379 (long) s, (long) SLAPD_GLOBAL(dtblsize), 0 );
1382 ldap_pvt_thread_yield();
1388 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1390 /* newly accepted stream should not be in any of the FD SETS */
1391 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1392 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1393 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1395 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1398 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1399 #ifdef LDAP_PF_LOCAL
1400 /* for IPv4 and IPv6 sockets only */
1401 if ( from.sa_addr.sa_family != AF_LOCAL )
1402 #endif /* LDAP_PF_LOCAL */
1407 /* enable keep alives */
1409 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
1410 (char *) &tmp, sizeof(tmp) );
1411 if ( rc == AC_SOCKET_ERROR ) {
1412 int err = sock_errno();
1413 Debug( LDAP_DEBUG_ANY,
1414 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1415 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1419 /* enable no delay */
1421 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1422 (char *)&tmp, sizeof(tmp) );
1423 if ( rc == AC_SOCKET_ERROR ) {
1424 int err = sock_errno();
1425 Debug( LDAP_DEBUG_ANY,
1426 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1427 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1433 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1435 switch ( from.sa_addr.sa_family ) {
1436 # ifdef LDAP_PF_LOCAL
1438 /* FIXME: apparently accept doesn't fill
1439 * the sun_path sun_path member */
1440 if ( from.sa_un_addr.sun_path[0] == '\0' ) {
1441 AC_MEMCPY( from.sa_un_addr.sun_path,
1442 slap_listeners[l]->sl_sa.sa_un_addr.sun_path,
1443 sizeof( from.sa_un_addr.sun_path ) );
1446 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1447 ssf = SLAPD_GLOBAL(local_ssf);
1452 if( getpeereid( s, &uid, &gid ) == 0 ) {
1453 authid.bv_val = ch_malloc(
1454 sizeof("uidnumber=4294967295+gidnumber=4294967295,"
1455 "cn=peercred,cn=external,cn=auth"));
1456 authid.bv_len = sprintf( authid.bv_val,
1457 "uidnumber=%d+gidnumber=%d,"
1458 "cn=peercred,cn=external,cn=auth",
1459 (int) uid, (int) gid);
1464 #endif /* LDAP_PF_LOCAL */
1466 # ifdef LDAP_PF_INET6
1468 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1469 peeraddr = inet_ntoa( *((struct in_addr *)
1470 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1471 sprintf( peername, "IP=%s:%d",
1472 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1473 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1475 char addr[INET6_ADDRSTRLEN];
1477 peeraddr = (char *) inet_ntop( AF_INET6,
1478 &from.sa_in6_addr.sin6_addr,
1479 addr, sizeof addr );
1480 sprintf( peername, "IP=%s %d",
1481 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1482 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1485 # endif /* LDAP_PF_INET6 */
1488 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1489 sprintf( peername, "IP=%s:%d",
1490 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1491 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1499 if ( ( from.sa_addr.sa_family == AF_INET )
1500 #ifdef LDAP_PF_INET6
1501 || ( from.sa_addr.sa_family == AF_INET6 )
1504 #ifdef SLAPD_RLOOKUPS
1505 if ( SLAPD_GLOBAL(use_reverse_lookup) ) {
1507 if (ldap_pvt_get_hname( (const struct sockaddr *)&from, len, hbuf,
1508 sizeof(hbuf), &herr ) == 0) {
1509 ldap_pvt_str2lower( hbuf );
1515 #endif /* SLAPD_RLOOKUPS */
1518 if ( !hosts_ctl("slapd",
1519 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1520 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1521 SLAP_STRING_UNKNOWN ))
1524 Statslog( LDAP_DEBUG_STATS,
1525 "fd=%ld DENIED from %s (%s)\n",
1527 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1528 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1533 #endif /* HAVE_TCPD */
1536 id = connection_init(s,
1538 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1541 slap_listeners[l]->sl_is_tls ? CONN_IS_TLS : 0,
1546 authid.bv_val ? &authid : NULL );
1548 if( authid.bv_val ) ch_free(authid.bv_val);
1551 Debug( LDAP_DEBUG_ANY,
1552 "daemon: connection_init(%ld, %s, %s) "
1556 slap_listeners[l]->sl_name.bv_val );
1561 Statslog( LDAP_DEBUG_STATS,
1562 "conn=%ld fd=%ld ACCEPT from %s (%s)\n",
1565 slap_listeners[l]->sl_name.bv_val,
1573 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1575 for ( i = 0; i < readfds.fd_count; i++ ) {
1576 Debug( LDAP_DEBUG_CONNS, " %d%s",
1577 readfds.fd_array[i], "r", 0 );
1579 for ( i = 0; i < writefds.fd_count; i++ ) {
1580 Debug( LDAP_DEBUG_CONNS, " %d%s",
1581 writefds.fd_array[i], "w", 0 );
1585 for ( i = 0; i < nfds; i++ ) {
1588 r = FD_ISSET( i, &readfds );
1589 w = FD_ISSET( i, &writefds );
1591 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1592 r ? "r" : "", w ? "w" : "" );
1596 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1600 /* loop through the writers */
1602 for ( i = 0; i < writefds.fd_count; i++ )
1604 for ( i = 0; i < nfds; i++ )
1609 wd = writefds.fd_array[i];
1611 if( ! FD_ISSET( i, &writefds ) ) {
1617 Debug( LDAP_DEBUG_CONNS,
1618 "daemon: write active on %d\n",
1621 * NOTE: it is possible that the connection was closed
1622 * and that the stream is now inactive.
1623 * connection_write() must valid the stream is still
1627 if ( connection_write( wd ) < 0 ) {
1628 FD_CLR( (unsigned) wd, &readfds );
1634 for ( i = 0; i < readfds.fd_count; i++ )
1636 for ( i = 0; i < nfds; i++ )
1641 rd = readfds.fd_array[i];
1643 if( ! FD_ISSET( i, &readfds ) ) {
1649 Debug ( LDAP_DEBUG_CONNS,
1650 "daemon: read activity on %d\n", rd, 0, 0 );
1652 * NOTE: it is possible that the connection was closed
1653 * and that the stream is now inactive.
1654 * connection_read() must valid the stream is still
1658 if ( connection_read( rd ) < 0 ) {
1662 ldap_pvt_thread_yield();
1665 if( SLAPD_GLOBAL(shutdown) == 1 ) {
1666 Debug( LDAP_DEBUG_TRACE,
1667 "daemon: shutdown requested and initiated.\n",
1670 } else if ( SLAPD_GLOBAL(shutdown) == 2 ) {
1671 #ifdef HAVE_NT_SERVICE_MANAGER
1672 Debug( LDAP_DEBUG_TRACE,
1673 "daemon: shutdown initiated by Service Manager.\n",
1675 #else /* !HAVE_NT_SERVICE_MANAGER */
1676 Debug( LDAP_DEBUG_TRACE,
1677 "daemon: abnormal condition, shutdown initiated.\n",
1679 #endif /* !HAVE_NT_SERVICE_MANAGER */
1681 Debug( LDAP_DEBUG_TRACE,
1682 "daemon: no active streams, shutdown initiated.\n",
1686 if( SLAPD_GLOBAL(gentle_shutdown) != 2 ) {
1687 close_listeners ( 0 );
1690 free ( slap_listeners );
1691 slap_listeners = NULL;
1693 if( !SLAPD_GLOBAL(gentle_shutdown) ) {
1694 SLAPD_GLOBAL(abrupt_shutdown) = 1;
1695 connections_shutdown();
1698 Debug( LDAP_DEBUG_ANY,
1699 "slapd shutdown: waiting for %d threads to terminate\n",
1700 ldap_pvt_thread_pool_backload(&SLAPD_GLOBAL(connection_pool)), 0, 0 );
1701 ldap_pvt_thread_pool_destroy(&SLAPD_GLOBAL(connection_pool), 1);
1707 int slapd_daemon( void )
1713 #define SLAPD_LISTENER_THREAD 1
1714 #if defined( SLAPD_LISTENER_THREAD )
1716 ldap_pvt_thread_t listener_tid;
1718 /* listener as a separate THREAD */
1719 rc = ldap_pvt_thread_create( &listener_tid,
1720 0, slapd_daemon_task, NULL );
1723 Debug( LDAP_DEBUG_ANY,
1724 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
1728 /* wait for the listener thread to complete */
1729 ldap_pvt_thread_join( listener_tid, (void *) NULL );
1732 /* experimental code */
1733 slapd_daemon_task( NULL );
1742 #if defined( HAVE_WINSOCK2 )
1743 WORD wVersionRequested;
1747 wVersionRequested = MAKEWORD( 2, 0 );
1749 err = WSAStartup( wVersionRequested, &wsaData );
1751 /* Tell the user that we couldn't find a usable */
1756 /* Confirm that the WinSock DLL supports 2.0.*/
1757 /* Note that if the DLL supports versions greater */
1758 /* than 2.0 in addition to 2.0, it will still return */
1759 /* 2.0 in wVersion since that is the version we */
1762 if ( LOBYTE( wsaData.wVersion ) != 2 ||
1763 HIBYTE( wsaData.wVersion ) != 0 )
1765 /* Tell the user that we couldn't find a usable */
1771 /* The WinSock DLL is acceptable. Proceed. */
1772 #elif defined( HAVE_WINSOCK )
1774 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
1781 int sockdestroy(void)
1783 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
1790 slap_sig_shutdown( int sig )
1793 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
1797 * If the NT Service Manager is controlling the server, we don't
1798 * want SIGBREAK to kill the server. For some strange reason,
1799 * SIGBREAK is generated when a user logs out.
1802 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
1803 if (is_NT_Service && sig == SIGBREAK)
1808 if (sig == SIGHUP && SLAPD_GLOBAL(gentlehup) && SLAPD_GLOBAL(gentle_shutdown) == 0)
1809 SLAPD_GLOBAL(gentle_shutdown) = 1;
1812 SLAPD_GLOBAL(shutdown) = 1;
1816 /* reinstall self */
1817 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
1821 slap_sig_wake( int sig )
1825 /* reinstall self */
1826 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
1830 void slapd_add_internal(ber_socket_t s, int isactive) {
1831 slapd_add(s, isactive);
1834 Listener ** slapd_get_listeners(void) {
1835 return slap_listeners;
1838 void slap_wake_listener()