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"
46 #define SLAP_STRING_UNKNOWN STRING_UNKNOWN
48 int allow_severity = LOG_INFO;
49 int deny_severity = LOG_NOTICE;
50 #else /* ! TCP Wrappers */
51 #define SLAP_STRING_UNKNOWN "unknown"
52 #endif /* ! TCP Wrappers */
56 /* this should go in <ldap.h> as soon as it is accepted */
57 #define LDAPI_MOD_URLEXT "x-mod"
58 #endif /* LDAP_PF_LOCAL */
61 int slap_inet4or6 = AF_UNSPEC;
63 int slap_inet4or6 = AF_INET;
68 ber_socket_t dtblsize;
70 Listener **slap_listeners = NULL;
72 #define SLAPD_LISTEN 10
74 static ber_socket_t wake_sds[2];
77 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
79 #define WAKE_LISTENER(w) \
80 ((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
82 #define WAKE_LISTENER(w) \
83 do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
86 volatile sig_atomic_t slapd_shutdown = 0, slapd_gentle_shutdown = 0;
87 volatile sig_atomic_t slapd_abrupt_shutdown = 0;
89 static struct slap_daemon {
90 ldap_pvt_thread_mutex_t sd_mutex;
92 ber_socket_t sd_nactives;
95 /* In winsock, accept() returns values higher than dtblsize
96 so don't bother with this optimization */
109 * SLP related functions
113 #define LDAP_SRVTYPE_PREFIX "service:ldap://"
114 #define LDAPS_SRVTYPE_PREFIX "service:ldaps://"
115 static char** slapd_srvurls = NULL;
116 static SLPHandle slapd_hslp = 0;
117 int slapd_register_slp = 0;
119 void slapd_slp_init( const char* urls ) {
122 slapd_srvurls = ldap_str2charray( urls, " " );
124 if( slapd_srvurls == NULL ) return;
126 /* find and expand INADDR_ANY URLs */
127 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
128 if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) {
129 char *host = ldap_pvt_get_fqdn( NULL );
130 if ( host != NULL ) {
131 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
133 sizeof( LDAP_SRVTYPE_PREFIX ) );
134 strcpy( lutil_strcopy(slapd_srvurls[i],
135 LDAP_SRVTYPE_PREFIX ), host );
140 } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) {
141 char *host = ldap_pvt_get_fqdn( NULL );
142 if ( host != NULL ) {
143 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
145 sizeof( LDAPS_SRVTYPE_PREFIX ) );
146 strcpy( lutil_strcopy(slapd_srvurls[i],
147 LDAPS_SRVTYPE_PREFIX ), host );
154 /* open the SLP handle */
155 SLPOpen( "en", 0, &slapd_hslp );
158 void slapd_slp_deinit() {
159 if( slapd_srvurls == NULL ) return;
161 ldap_charray_free( slapd_srvurls );
162 slapd_srvurls = NULL;
164 /* close the SLP handle */
165 SLPClose( slapd_hslp );
168 void slapd_slp_regreport(
176 void slapd_slp_reg() {
179 if( slapd_srvurls == NULL ) return;
181 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
182 if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
183 sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
184 strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
185 sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
189 SLP_LIFETIME_MAXIMUM,
199 void slapd_slp_dereg() {
202 if( slapd_srvurls == NULL ) return;
204 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
205 SLPDereg( slapd_hslp,
211 #endif /* HAVE_SLP */
214 * Add a descriptor to daemon control
216 * If isactive, the descriptor is a live server session and is subject
217 * to idletimeout control. Otherwise, the descriptor is a passive
218 * listener or an outbound client session, and not subject to
221 static void slapd_add(ber_socket_t s, int isactive) {
222 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
224 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
225 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
226 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
229 if (s >= slap_daemon.sd_nfds) {
230 slap_daemon.sd_nfds = s + 1;
235 slap_daemon.sd_nactives++;
238 FD_SET( s, &slap_daemon.sd_actives );
239 FD_SET( s, &slap_daemon.sd_readers );
241 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
243 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
244 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
245 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
249 * Remove the descriptor from daemon control
251 void slapd_remove(ber_socket_t s, int wasactive, int wake) {
252 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
255 slap_daemon.sd_nactives--;
258 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
260 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
261 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
262 FD_CLR( s, &slap_daemon.sd_actives );
263 FD_CLR( s, &slap_daemon.sd_readers );
264 FD_CLR( s, &slap_daemon.sd_writers );
266 /* If we ran out of file descriptors, we dropped a listener from
267 * the select() loop. Now that we're removing a session from our
268 * control, we can try to resume a dropped listener to use.
272 for ( i = 0; slap_listeners[i] != NULL; i++ ) {
273 if ( slap_listeners[i]->sl_sd != AC_SOCKET_INVALID ) {
274 if ( slap_listeners[i]->sl_sd == s ) continue;
275 if ( slap_listeners[i]->sl_is_mute ) {
276 slap_listeners[i]->sl_is_mute = 0;
282 /* Walked the entire list without enabling anything; emfile
283 * counter is stale. Reset it.
285 if ( slap_listeners[i] == NULL )
288 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
289 WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
292 void slapd_clr_write(ber_socket_t s, int wake) {
293 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
295 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
296 FD_CLR( s, &slap_daemon.sd_writers );
298 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
302 void slapd_set_write(ber_socket_t s, int wake) {
303 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
305 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
306 if (!FD_ISSET(s, &slap_daemon.sd_writers))
307 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
309 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
313 void slapd_clr_read(ber_socket_t s, int wake) {
314 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
316 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
317 FD_CLR( s, &slap_daemon.sd_readers );
319 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
323 void slapd_set_read(ber_socket_t s, int wake) {
324 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
326 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
327 if (!FD_ISSET(s, &slap_daemon.sd_readers))
328 FD_SET( s, &slap_daemon.sd_readers );
330 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
334 static void slapd_close(ber_socket_t s) {
335 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
340 static void slap_free_listener_addresses(struct sockaddr **sal)
342 struct sockaddr **sap;
348 for (sap = sal; *sap != NULL; sap++) {
355 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
356 static int get_url_perms(
368 for ( i = 0; exts[ i ]; i++ ) {
369 char *type = exts[ i ];
372 if ( type[ 0 ] == '!' ) {
377 if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
379 + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
383 switch (strlen(value)) {
385 /* skip leading '0' */
386 if ( value[ 0 ] != '0' ) {
392 for ( j = 0; j < 3; j++) {
395 v = value[ j ] - '0';
397 if ( v < 0 || v > 7 ) {
406 for ( j = 1; j < 10; j++ ) {
407 static mode_t m[] = { 0,
408 S_IRUSR, S_IWUSR, S_IXUSR,
409 S_IRGRP, S_IWGRP, S_IXGRP,
410 S_IROTH, S_IWOTH, S_IXOTH
412 static char c[] = "-rwxrwxrwx";
414 if ( value[ j ] == c[ j ] ) {
417 } else if ( value[ j ] != '-' ) {
436 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
438 /* port = 0 indicates AF_LOCAL */
439 static int slap_get_listener_addresses(
442 struct sockaddr ***sal)
444 struct sockaddr **sap;
448 *sal = ch_malloc(2 * sizeof(void *));
454 *sap = ch_malloc(sizeof(struct sockaddr_un));
460 (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
461 Debug( LDAP_DEBUG_ANY,
462 "daemon: domain socket path (%s) too long in URL",
467 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
468 (*sap)->sa_family = AF_LOCAL;
469 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
473 #ifdef HAVE_GETADDRINFO
474 struct addrinfo hints, *res, *sai;
478 memset( &hints, '\0', sizeof(hints) );
479 hints.ai_flags = AI_PASSIVE;
480 hints.ai_socktype = SOCK_STREAM;
481 hints.ai_family = slap_inet4or6;
482 snprintf(serv, sizeof serv, "%d", port);
484 if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
485 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
486 AC_GAI_STRERROR(err), 0, 0);
491 for (n=2; (sai = sai->ai_next) != NULL; n++) {
494 *sal = ch_calloc(n, sizeof(void *));
502 for ( sai=res; sai; sai=sai->ai_next ) {
503 if( sai->ai_addr == NULL ) {
504 Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
505 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
510 switch (sai->ai_family) {
511 # ifdef LDAP_PF_INET6
513 *sap = ch_malloc(sizeof(struct sockaddr_in6));
518 *(struct sockaddr_in6 *)*sap =
519 *((struct sockaddr_in6 *)sai->ai_addr);
523 *sap = ch_malloc(sizeof(struct sockaddr_in));
528 *(struct sockaddr_in *)*sap =
529 *((struct sockaddr_in *)sai->ai_addr);
537 (*sap)->sa_family = sai->ai_family;
547 struct hostent *he = NULL;
549 if ( host == NULL ) {
550 in.s_addr = htonl(INADDR_ANY);
552 } else if ( !inet_aton( host, &in ) ) {
553 he = gethostbyname( host );
555 Debug( LDAP_DEBUG_ANY,
556 "daemon: invalid host %s", host, 0, 0);
559 for (n = 0; he->h_addr_list[n]; n++) ;
562 *sal = ch_malloc((n+1) * sizeof(void *));
568 for ( i = 0; i<n; i++ ) {
569 sap[i] = ch_malloc(sizeof(struct sockaddr_in));
573 (void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
574 sap[i]->sa_family = AF_INET;
575 ((struct sockaddr_in *)sap[i])->sin_port = htons(port);
577 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
579 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
589 slap_free_listener_addresses(*sal);
593 static int slap_open_listener(
604 int err, addrlen = 0;
605 struct sockaddr **sal, **psal;
606 int socktype = SOCK_STREAM; /* default to COTS */
608 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
613 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
615 rc = ldap_url_parse( url, &lud );
617 if( rc != LDAP_URL_SUCCESS ) {
618 Debug( LDAP_DEBUG_ANY,
619 "daemon: listen URL \"%s\" parse error=%d\n",
624 l.sl_url.bv_val = NULL;
628 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
629 Debug( LDAP_DEBUG_ANY,
630 "daemon: TLS not supported (%s)\n",
632 ldap_free_urldesc( lud );
636 if(! lud->lud_port ) {
637 lud->lud_port = LDAP_PORT;
641 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
643 if(! lud->lud_port ) {
644 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
648 port = (unsigned short) lud->lud_port;
650 tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
651 if ( tmp == LDAP_PROTO_IPC ) {
653 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
654 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
656 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
660 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
662 ldap_free_urldesc( lud );
666 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
667 || strcmp(lud->lud_host, "*") == 0 )
669 err = slap_get_listener_addresses(NULL, port, &sal);
671 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
674 #ifdef LDAP_CONNECTIONLESS
675 l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
678 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
679 if ( lud->lud_exts ) {
680 err = get_url_perms( lud->lud_exts, &l.sl_perms, &crit );
682 l.sl_perms = S_IRWXU | S_IRWXO;
684 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
686 ldap_free_urldesc( lud );
691 /* If we got more than one address returned, we need to make space
692 * for it in the slap_listeners array.
694 for ( num=0; sal[num]; num++ );
697 slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
701 while ( *sal != NULL ) {
703 switch( (*sal)->sa_family ) {
721 #ifdef LDAP_CONNECTIONLESS
722 if( l.sl_is_udp ) socktype = SOCK_DGRAM;
724 l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
725 if ( l.sl_sd == AC_SOCKET_INVALID ) {
726 int err = sock_errno();
727 Debug( LDAP_DEBUG_ANY,
728 "daemon: %s socket() failed errno=%d (%s)\n",
729 af, err, sock_errstr(err) );
734 if ( l.sl_sd >= dtblsize ) {
735 Debug( LDAP_DEBUG_ANY,
736 "daemon: listener descriptor %ld is too great %ld\n",
737 (long) l.sl_sd, (long) dtblsize, 0 );
738 tcp_close( l.sl_sd );
744 if ( (*sal)->sa_family == AF_LOCAL ) {
745 unlink ( ((struct sockaddr_un *)*sal)->sun_path );
750 /* enable address reuse */
752 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
753 (char *) &tmp, sizeof(tmp) );
754 if ( rc == AC_SOCKET_ERROR ) {
755 int err = sock_errno();
756 Debug( LDAP_DEBUG_ANY,
757 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
758 (long) l.sl_sd, err, sock_errstr(err) );
763 switch( (*sal)->sa_family ) {
765 addrlen = sizeof(struct sockaddr_in);
770 /* Try to use IPv6 sockets for IPv6 only */
772 rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
773 (char *) &tmp, sizeof(tmp) );
774 if ( rc == AC_SOCKET_ERROR ) {
775 int err = sock_errno();
776 Debug( LDAP_DEBUG_ANY,
777 "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
778 (long) l.sl_sd, err, sock_errstr(err) );
781 addrlen = sizeof(struct sockaddr_in6);
786 addrlen = sizeof(struct sockaddr_un);
791 if (bind(l.sl_sd, *sal, addrlen)) {
793 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
794 (long) l.sl_sd, err, sock_errstr(err) );
795 tcp_close( l.sl_sd );
800 switch ( (*sal)->sa_family ) {
803 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
804 #if 0 /* don't muck with socket perms */
805 if ( chmod( addr, l.sl_perms ) < 0 && crit ) {
806 int err = sock_errno();
807 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
808 (long) l.sl_sd, err, sock_errstr(err) );
809 tcp_close( l.sl_sd );
810 slap_free_listener_addresses(psal);
814 l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
815 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
816 snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
819 #endif /* LDAP_PF_LOCAL */
823 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
824 char addr[INET_ADDRSTRLEN];
825 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
826 addr, sizeof(addr) );
829 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
831 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
832 l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
833 snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
835 s != NULL ? s : SLAP_STRING_UNKNOWN, port );
836 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
841 char addr[INET6_ADDRSTRLEN];
842 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
844 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
845 l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
846 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
847 snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
849 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
851 #endif /* LDAP_PF_INET6 */
854 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
855 (int) (*sal)->sa_family, 0, 0 );
859 AC_MEMCPY(&l.sl_sa, *sal, addrlen);
860 ber_str2bv( url, 0, 1, &l.sl_url);
861 li = ch_malloc( sizeof( Listener ) );
863 slap_listeners[*cur] = li;
867 } /* while ( *sal != NULL ) */
869 slap_free_listener_addresses(psal);
871 if ( l.sl_url.bv_val == NULL )
873 Debug( LDAP_DEBUG_TRACE,
874 "slap_open_listener: failed on %s\n", url, 0, 0 );
878 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
879 l.sl_url.bv_val, 0, 0 );
883 static int sockinit(void);
884 static int sockdestroy(void);
886 int slapd_daemon_init( const char *urls )
891 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
892 urls ? urls : "<null>", 0, 0 );
893 if( (rc = sockinit()) != 0 ) {
898 dtblsize = sysconf( _SC_OPEN_MAX );
899 #elif HAVE_GETDTABLESIZE
900 dtblsize = getdtablesize();
902 dtblsize = FD_SETSIZE;
906 if(dtblsize > FD_SETSIZE) {
907 dtblsize = FD_SETSIZE;
909 #endif /* !FD_SETSIZE */
911 /* open a pipe (or something equivalent connected to itself).
912 * we write a byte on this fd whenever we catch a signal. The main
913 * loop will be select'ing on this socket, and will wake up when
916 if( (rc = lutil_pair( wake_sds )) < 0 ) {
917 Debug( LDAP_DEBUG_ANY,
918 "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 ) {
932 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
937 for( i=0; u[i] != NULL; i++ ) {
938 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
943 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
945 ldap_charray_free( u );
949 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
951 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
953 for(n = 0, j = 0; u[n]; n++ ) {
954 if ( slap_open_listener( u[n], &i, &j ) ) {
955 ldap_charray_free( u );
959 slap_listeners[j] = NULL;
961 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
965 if( slapd_register_slp ) {
966 slapd_slp_init( urls );
971 ldap_charray_free( u );
972 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
978 slapd_daemon_destroy(void)
980 connections_destroy();
981 tcp_close( wake_sds[1] );
982 tcp_close( wake_sds[0] );
986 if( slapd_register_slp ) {
1003 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1004 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1006 slapd_remove( slap_listeners[l]->sl_sd, 0, 0 );
1007 #ifdef LDAP_PF_LOCAL
1008 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1009 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1011 #endif /* LDAP_PF_LOCAL */
1012 slapd_close( slap_listeners[l]->sl_sd );
1014 if ( slap_listeners[l]->sl_url.bv_val )
1015 ber_memfree( slap_listeners[l]->sl_url.bv_val );
1016 if ( slap_listeners[l]->sl_name.bv_val )
1017 ber_memfree( slap_listeners[l]->sl_name.bv_val );
1018 free ( slap_listeners[l] );
1019 slap_listeners[l] = NULL;
1030 time_t last_idle_check = 0;
1031 struct timeval idle;
1033 #define SLAPD_IDLE_CHECK_LIMIT 4
1035 if ( global_idletimeout > 0 ) {
1036 last_idle_check = slap_get_time();
1037 /* Set the select timeout.
1038 * Don't just truncate, preserve the fractions of
1039 * seconds to prevent sleeping for zero time.
1041 idle.tv_sec = global_idletimeout/SLAPD_IDLE_CHECK_LIMIT;
1042 idle.tv_usec = global_idletimeout - idle.tv_sec * SLAPD_IDLE_CHECK_LIMIT;
1043 idle.tv_usec *= 1000000 / SLAPD_IDLE_CHECK_LIMIT;
1049 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1050 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1052 #ifdef LDAP_CONNECTIONLESS
1053 /* Since this is connectionless, the data port is the
1054 * listening port. The listen() and accept() calls
1057 if ( slap_listeners[l]->sl_is_udp ) {
1058 slapd_add( slap_listeners[l]->sl_sd, 1 );
1063 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1064 int err = sock_errno();
1066 #ifdef LDAP_PF_INET6
1067 /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
1068 * we are already listening to in6addr_any, then we want to ignore
1069 * this and continue.
1071 if ( err == EADDRINUSE ) {
1073 struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
1074 struct sockaddr_in6 sa6;
1076 if ( sa.sin_family == AF_INET &&
1077 sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
1078 for ( i = 0 ; i < l; i++ ) {
1079 sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
1080 if ( sa6.sin6_family == AF_INET6 &&
1081 !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
1086 /* We are already listening to in6addr_any */
1087 Debug( LDAP_DEBUG_CONNS,
1088 "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
1090 slapd_close( slap_listeners[l]->sl_sd );
1091 slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
1097 Debug( LDAP_DEBUG_ANY,
1098 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1099 slap_listeners[l]->sl_url.bv_val, err,
1101 return( (void*)-1 );
1104 slapd_add( slap_listeners[l]->sl_sd, 0 );
1107 #ifdef HAVE_NT_SERVICE_MANAGER
1108 if ( started_event != NULL ) {
1109 ldap_pvt_thread_cond_signal( &started_event );
1112 /* initialization complete. Here comes the loop. */
1114 while ( !slapd_shutdown ) {
1119 #define SLAPD_EBADF_LIMIT 16
1129 struct timeval *tvp;
1131 struct timeval *cat;
1134 now = slap_get_time();
1136 if( ( global_idletimeout > 0 ) &&
1137 difftime( last_idle_check +
1138 global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1139 connections_timeout_idle( now );
1140 last_idle_check = now;
1145 if( slapd_gentle_shutdown ) {
1146 ber_socket_t active;
1148 if( slapd_gentle_shutdown == 1 ) {
1149 Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
1150 close_listeners( 1 );
1151 frontendDB->be_restrictops |= SLAP_RESTRICT_OP_WRITES;
1152 slapd_gentle_shutdown = 2;
1155 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1156 active = slap_daemon.sd_nactives;
1157 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1165 FD_ZERO( &writefds );
1166 FD_ZERO( &readfds );
1170 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1172 #ifdef FD_SET_MANUAL_COPY
1173 for( s = 0; s < nfds; s++ ) {
1174 if(FD_ISSET( &slap_sd_readers, s )) {
1175 FD_SET( s, &readfds );
1177 if(FD_ISSET( &slap_sd_writers, s )) {
1178 FD_SET( s, &writefds );
1182 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1183 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1185 assert(!FD_ISSET(wake_sds[0], &readfds));
1186 FD_SET( wake_sds[0], &readfds );
1188 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1189 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1191 if ( slap_listeners[l]->sl_is_mute )
1192 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1194 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1195 FD_SET( slap_listeners[l]->sl_sd, &readfds );
1198 #ifndef HAVE_WINSOCK
1199 nfds = slap_daemon.sd_nfds;
1203 if ( global_idletimeout && slap_daemon.sd_nactives )
1206 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1209 #if defined(HAVE_YIELDING_SELECT) || defined(NO_THREADS)
1210 && ( tv.tv_sec || tv.tv_usec )
1217 ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
1218 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1219 while ( cat && cat->tv_sec && cat->tv_sec <= now ) {
1220 if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
1221 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, 0 );
1223 ldap_pvt_runqueue_runtask( &syncrepl_rq, rtask );
1224 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, 0 );
1225 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
1226 ldap_pvt_thread_pool_submit( &connection_pool,
1227 rtask->routine, (void *) rtask );
1228 ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
1230 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1232 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
1234 if ( cat != NULL ) {
1235 time_t diff = difftime( cat->tv_sec, now );
1238 if ( tvp == NULL || diff < tv.tv_sec ) {
1245 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1246 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ||
1247 slap_listeners[l]->sl_is_mute )
1250 Debug( LDAP_DEBUG_CONNS,
1251 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1252 slap_listeners[l]->sl_sd, at,
1253 tvp == NULL ? "NULL" : "zero" );
1256 switch(ns = select( nfds, &readfds,
1258 /* don't pass empty fd_set */
1259 ( writefds.fd_count > 0 ? &writefds : NULL ),
1265 case -1: { /* failure - try again */
1266 int err = sock_errno();
1270 /* you'd think this would be EBADF */
1271 || err == WSAENOTSOCK
1274 if (++ebadf < SLAPD_EBADF_LIMIT)
1278 if( err != EINTR ) {
1279 Debug( LDAP_DEBUG_CONNS,
1280 "daemon: select failed (%d): %s\n",
1281 err, sock_errstr(err), 0 );
1287 case 0: /* timeout - let threads run */
1289 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1292 ldap_pvt_thread_yield();
1295 default: /* something happened - deal with it */
1296 if( slapd_shutdown ) continue;
1299 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1304 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1306 tcp_read( wake_sds[0], c, sizeof(c) );
1307 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
1313 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1315 socklen_t len = sizeof(from);
1318 struct berval authid = BER_BVNULL;
1319 #ifdef SLAPD_RLOOKUPS
1320 char hbuf[NI_MAXHOST];
1323 char *dnsname = NULL;
1324 char *peeraddr = NULL;
1325 #ifdef LDAP_PF_LOCAL
1326 char peername[MAXPATHLEN + sizeof("PATH=")];
1327 #elif defined(LDAP_PF_INET6)
1328 char peername[sizeof(
1329 "IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1331 char peername[sizeof("IP=255.255.255.255:65336")];
1332 #endif /* LDAP_PF_LOCAL */
1336 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1339 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1342 #ifdef LDAP_CONNECTIONLESS
1343 if ( slap_listeners[l]->sl_is_udp ) {
1344 /* The first time we receive a query, we set this
1345 * up as a "connection". It remains open for the life
1348 if ( slap_listeners[l]->sl_is_udp < 2 ) {
1349 id = connection_init(
1350 slap_listeners[l]->sl_sd,
1351 slap_listeners[l], "", "",
1352 CONN_IS_UDP, ssf, NULL );
1353 slap_listeners[l]->sl_is_udp++;
1359 /* Don't need to look at this in the data loops */
1360 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1361 FD_CLR( slap_listeners[l]->sl_sd, &writefds );
1363 # ifdef LDAP_PF_LOCAL
1364 /* FIXME: apparently accept doesn't fill
1365 * the sun_path sun_path member */
1366 from.sa_un_addr.sun_path[0] = '\0';
1367 # endif /* LDAP_PF_LOCAL */
1368 s = accept( slap_listeners[l]->sl_sd,
1369 (struct sockaddr *) &from, &len );
1370 if ( s == AC_SOCKET_INVALID ) {
1371 int err = sock_errno();
1382 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1384 /* Stop listening until an existing session closes */
1385 slap_listeners[l]->sl_is_mute = 1;
1386 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1389 Debug( LDAP_DEBUG_ANY,
1390 "daemon: accept(%ld) failed errno=%d (%s)\n",
1391 (long) slap_listeners[l]->sl_sd, err,
1393 ldap_pvt_thread_yield();
1397 #ifndef HAVE_WINSOCK
1398 /* make sure descriptor number isn't too great */
1399 if ( s >= dtblsize ) {
1400 Debug( LDAP_DEBUG_ANY,
1401 "daemon: %ld beyond descriptor table size %ld\n",
1402 (long) s, (long) dtblsize, 0 );
1405 ldap_pvt_thread_yield();
1411 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1413 /* newly accepted stream should not be in any of the FD SETS */
1414 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1415 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1416 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1418 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1421 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1422 #ifdef LDAP_PF_LOCAL
1423 /* for IPv4 and IPv6 sockets only */
1424 if ( from.sa_addr.sa_family != AF_LOCAL )
1425 #endif /* LDAP_PF_LOCAL */
1430 /* enable keep alives */
1432 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
1433 (char *) &tmp, sizeof(tmp) );
1434 if ( rc == AC_SOCKET_ERROR ) {
1435 int err = sock_errno();
1436 Debug( LDAP_DEBUG_ANY,
1437 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1438 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1442 /* enable no delay */
1444 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1445 (char *)&tmp, sizeof(tmp) );
1446 if ( rc == AC_SOCKET_ERROR ) {
1447 int err = sock_errno();
1448 Debug( LDAP_DEBUG_ANY,
1449 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1450 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1456 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1458 switch ( from.sa_addr.sa_family ) {
1459 # ifdef LDAP_PF_LOCAL
1461 /* FIXME: apparently accept doesn't fill
1462 * the sun_path sun_path member */
1463 if ( from.sa_un_addr.sun_path[0] == '\0' ) {
1464 AC_MEMCPY( from.sa_un_addr.sun_path,
1465 slap_listeners[l]->sl_sa.sa_un_addr.sun_path,
1466 sizeof( from.sa_un_addr.sun_path ) );
1469 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1470 ssf = LDAP_PVT_SASL_LOCAL_SSF;
1475 if( getpeereid( s, &uid, &gid ) == 0 ) {
1476 authid.bv_val = ch_malloc(
1477 sizeof("uidnumber=4294967295+gidnumber=4294967295,"
1478 "cn=peercred,cn=external,cn=auth"));
1479 authid.bv_len = sprintf( authid.bv_val,
1480 "uidnumber=%d+gidnumber=%d,"
1481 "cn=peercred,cn=external,cn=auth",
1482 (int) uid, (int) gid);
1487 #endif /* LDAP_PF_LOCAL */
1489 # ifdef LDAP_PF_INET6
1491 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1492 peeraddr = inet_ntoa( *((struct in_addr *)
1493 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1494 sprintf( peername, "IP=%s:%d",
1495 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1496 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1498 char addr[INET6_ADDRSTRLEN];
1500 peeraddr = (char *) inet_ntop( AF_INET6,
1501 &from.sa_in6_addr.sin6_addr,
1502 addr, sizeof addr );
1503 sprintf( peername, "IP=%s %d",
1504 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1505 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1508 # endif /* LDAP_PF_INET6 */
1511 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1512 sprintf( peername, "IP=%s:%d",
1513 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1514 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1522 if ( ( from.sa_addr.sa_family == AF_INET )
1523 #ifdef LDAP_PF_INET6
1524 || ( from.sa_addr.sa_family == AF_INET6 )
1527 #ifdef SLAPD_RLOOKUPS
1528 if ( use_reverse_lookup ) {
1530 if (ldap_pvt_get_hname( (const struct sockaddr *)&from, len, hbuf,
1531 sizeof(hbuf), &herr ) == 0) {
1532 ldap_pvt_str2lower( hbuf );
1538 #endif /* SLAPD_RLOOKUPS */
1541 if ( !hosts_ctl("slapd",
1542 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1543 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1544 SLAP_STRING_UNKNOWN ))
1547 Statslog( LDAP_DEBUG_STATS,
1548 "fd=%ld DENIED from %s (%s)\n",
1550 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1551 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1556 #endif /* HAVE_TCPD */
1559 id = connection_init(s,
1561 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1564 slap_listeners[l]->sl_is_tls ? CONN_IS_TLS : 0,
1569 authid.bv_val ? &authid : NULL );
1571 if( authid.bv_val ) ch_free(authid.bv_val);
1574 Debug( LDAP_DEBUG_ANY,
1575 "daemon: connection_init(%ld, %s, %s) "
1579 slap_listeners[l]->sl_name.bv_val );
1584 Statslog( LDAP_DEBUG_STATS,
1585 "conn=%ld fd=%ld ACCEPT from %s (%s)\n",
1588 slap_listeners[l]->sl_name.bv_val,
1596 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1598 for ( i = 0; i < readfds.fd_count; i++ ) {
1599 Debug( LDAP_DEBUG_CONNS, " %d%s",
1600 readfds.fd_array[i], "r", 0 );
1602 for ( i = 0; i < writefds.fd_count; i++ ) {
1603 Debug( LDAP_DEBUG_CONNS, " %d%s",
1604 writefds.fd_array[i], "w", 0 );
1608 for ( i = 0; i < nfds; i++ ) {
1611 r = FD_ISSET( i, &readfds );
1612 w = FD_ISSET( i, &writefds );
1614 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1615 r ? "r" : "", w ? "w" : "" );
1619 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1623 /* loop through the writers */
1625 for ( i = 0; i < writefds.fd_count; i++ )
1627 for ( i = 0; i < nfds; i++ )
1632 wd = writefds.fd_array[i];
1634 if( ! FD_ISSET( i, &writefds ) ) {
1640 Debug( LDAP_DEBUG_CONNS,
1641 "daemon: write active on %d\n",
1644 * NOTE: it is possible that the connection was closed
1645 * and that the stream is now inactive.
1646 * connection_write() must valid the stream is still
1650 if ( connection_write( wd ) < 0 ) {
1651 FD_CLR( (unsigned) wd, &readfds );
1657 for ( i = 0; i < readfds.fd_count; i++ )
1659 for ( i = 0; i < nfds; i++ )
1664 rd = readfds.fd_array[i];
1666 if( ! FD_ISSET( i, &readfds ) ) {
1672 Debug ( LDAP_DEBUG_CONNS,
1673 "daemon: read activity on %d\n", rd, 0, 0 );
1675 * NOTE: it is possible that the connection was closed
1676 * and that the stream is now inactive.
1677 * connection_read() must valid the stream is still
1681 if ( connection_read( rd ) < 0 ) {
1685 ldap_pvt_thread_yield();
1688 if( slapd_shutdown == 1 ) {
1689 Debug( LDAP_DEBUG_TRACE,
1690 "daemon: shutdown requested and initiated.\n",
1693 } else if ( slapd_shutdown == 2 ) {
1694 #ifdef HAVE_NT_SERVICE_MANAGER
1695 Debug( LDAP_DEBUG_TRACE,
1696 "daemon: shutdown initiated by Service Manager.\n",
1698 #else /* !HAVE_NT_SERVICE_MANAGER */
1699 Debug( LDAP_DEBUG_TRACE,
1700 "daemon: abnormal condition, shutdown initiated.\n",
1702 #endif /* !HAVE_NT_SERVICE_MANAGER */
1704 Debug( LDAP_DEBUG_TRACE,
1705 "daemon: no active streams, shutdown initiated.\n",
1709 if( slapd_gentle_shutdown != 2 ) {
1710 close_listeners ( 0 );
1713 free ( slap_listeners );
1714 slap_listeners = NULL;
1716 if( !slapd_gentle_shutdown ) {
1717 slapd_abrupt_shutdown = 1;
1718 connections_shutdown();
1721 Debug( LDAP_DEBUG_ANY,
1722 "slapd shutdown: waiting for %d threads to terminate\n",
1723 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1724 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1730 int slapd_daemon( void )
1736 #define SLAPD_LISTENER_THREAD 1
1737 #if defined( SLAPD_LISTENER_THREAD )
1739 ldap_pvt_thread_t listener_tid;
1741 /* listener as a separate THREAD */
1742 rc = ldap_pvt_thread_create( &listener_tid,
1743 0, slapd_daemon_task, NULL );
1746 Debug( LDAP_DEBUG_ANY,
1747 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
1751 /* wait for the listener thread to complete */
1752 ldap_pvt_thread_join( listener_tid, (void *) NULL );
1755 /* experimental code */
1756 slapd_daemon_task( NULL );
1765 #if defined( HAVE_WINSOCK2 )
1766 WORD wVersionRequested;
1770 wVersionRequested = MAKEWORD( 2, 0 );
1772 err = WSAStartup( wVersionRequested, &wsaData );
1774 /* Tell the user that we couldn't find a usable */
1779 /* Confirm that the WinSock DLL supports 2.0.*/
1780 /* Note that if the DLL supports versions greater */
1781 /* than 2.0 in addition to 2.0, it will still return */
1782 /* 2.0 in wVersion since that is the version we */
1785 if ( LOBYTE( wsaData.wVersion ) != 2 ||
1786 HIBYTE( wsaData.wVersion ) != 0 )
1788 /* Tell the user that we couldn't find a usable */
1794 /* The WinSock DLL is acceptable. Proceed. */
1795 #elif defined( HAVE_WINSOCK )
1797 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
1804 int sockdestroy(void)
1806 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
1813 slap_sig_shutdown( int sig )
1816 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
1820 * If the NT Service Manager is controlling the server, we don't
1821 * want SIGBREAK to kill the server. For some strange reason,
1822 * SIGBREAK is generated when a user logs out.
1825 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
1826 if (is_NT_Service && sig == SIGBREAK)
1831 if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
1832 slapd_gentle_shutdown = 1;
1839 /* reinstall self */
1840 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
1844 slap_sig_wake( int sig )
1848 /* reinstall self */
1849 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
1853 void slapd_add_internal(ber_socket_t s, int isactive) {
1854 slapd_add(s, isactive);
1857 Listener ** slapd_get_listeners(void) {
1858 return slap_listeners;
1861 void slap_wake_listener()