3 * Copyright 1998-2003 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"
27 #define SLAP_STRING_UNKNOWN STRING_UNKNOWN
29 int allow_severity = LOG_INFO;
30 int deny_severity = LOG_NOTICE;
31 #else /* ! TCP Wrappers */
32 #define SLAP_STRING_UNKNOWN "unknown"
33 #endif /* ! TCP Wrappers */
37 /* this should go in <ldap.h> as soon as it is accepted */
38 #define LDAPI_MOD_URLEXT "x-mod"
39 #endif /* LDAP_PF_LOCAL */
42 int slap_inet4or6 = AF_UNSPEC;
44 int slap_inet4or6 = AF_INET;
49 ber_socket_t dtblsize;
51 Listener **slap_listeners = NULL;
53 #define SLAPD_LISTEN 10
55 static ber_socket_t wake_sds[2];
58 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
60 #define WAKE_LISTENER(w) \
61 ((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
63 #define WAKE_LISTENER(w) \
64 do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
70 volatile sig_atomic_t slapd_shutdown = 0, slapd_gentle_shutdown = 0;
72 static struct slap_daemon {
73 ldap_pvt_thread_mutex_t sd_mutex;
75 ber_socket_t sd_nactives;
78 /* In winsock, accept() returns values higher than dtblsize
79 so don't bother with this optimization */
92 * SLP related functions
96 #define LDAP_SRVTYPE_PREFIX "service:ldap://"
97 #define LDAPS_SRVTYPE_PREFIX "service:ldaps://"
98 static char** slapd_srvurls = NULL;
99 static SLPHandle slapd_hslp = 0;
101 void slapd_slp_init( const char* urls ) {
104 slapd_srvurls = ldap_str2charray( urls, " " );
106 if( slapd_srvurls == NULL ) return;
108 /* find and expand INADDR_ANY URLs */
109 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
110 if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) {
111 char *host = ldap_pvt_get_fqdn( NULL );
112 if ( host != NULL ) {
113 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
115 sizeof( LDAP_SRVTYPE_PREFIX ) );
116 strcpy( lutil_strcopy(slapd_srvurls[i],
117 LDAP_SRVTYPE_PREFIX ), host );
122 } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) {
123 char *host = ldap_pvt_get_fqdn( NULL );
124 if ( host != NULL ) {
125 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
127 sizeof( LDAPS_SRVTYPE_PREFIX ) );
128 strcpy( lutil_strcopy(slapd_srvurls[i],
129 LDAPS_SRVTYPE_PREFIX ), host );
136 /* open the SLP handle */
137 SLPOpen( "en", 0, &slapd_hslp );
140 void slapd_slp_deinit() {
141 if( slapd_srvurls == NULL ) return;
143 ldap_charray_free( slapd_srvurls );
144 slapd_srvurls = NULL;
146 /* close the SLP handle */
147 SLPClose( slapd_hslp );
150 void slapd_slp_regreport(
158 void slapd_slp_reg() {
161 if( slapd_srvurls == NULL ) return;
163 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
164 if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
165 sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
166 strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
167 sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
171 SLP_LIFETIME_MAXIMUM,
181 void slapd_slp_dereg() {
184 if( slapd_srvurls == NULL ) return;
186 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
187 SLPDereg( slapd_hslp,
193 #endif /* HAVE_SLP */
196 * Add a descriptor to daemon control
198 static void slapd_add(ber_socket_t s) {
199 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
201 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
202 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
203 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
206 if (s >= slap_daemon.sd_nfds) {
207 slap_daemon.sd_nfds = s + 1;
211 slap_daemon.sd_nactives++;
213 FD_SET( s, &slap_daemon.sd_actives );
214 FD_SET( s, &slap_daemon.sd_readers );
217 LDAP_LOG( CONNECTION, DETAIL1,
218 "slapd_add: added %ld%s%s\n", (long)s,
219 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
220 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
222 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
224 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
225 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
227 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
231 * Remove the descriptor from daemon control
233 void slapd_remove(ber_socket_t s, int wake) {
234 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
236 slap_daemon.sd_nactives--;
239 LDAP_LOG( CONNECTION, DETAIL1,
240 "slapd_remove: removing %ld%s%s\n", (long) s,
241 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
242 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
244 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
246 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
247 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
249 FD_CLR( s, &slap_daemon.sd_actives );
250 FD_CLR( s, &slap_daemon.sd_readers );
251 FD_CLR( s, &slap_daemon.sd_writers );
253 /* If we ran out of file descriptors, we dropped a listener from
254 * the select() loop. Now that we're removing a session from our
255 * control, we can try to resume a dropped listener to use.
259 for ( i = 0; slap_listeners[i] != NULL; i++ ) {
260 if ( slap_listeners[i]->sl_sd != AC_SOCKET_INVALID ) {
261 if ( slap_listeners[i]->sl_sd == s ) continue;
262 if ( slap_listeners[i]->sl_is_mute ) {
263 slap_listeners[i]->sl_is_mute = 0;
269 /* Walked the entire list without enabling anything; emfile
270 * counter is stale. Reset it.
272 if ( slap_listeners[i] == NULL )
275 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
276 WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
279 void slapd_clr_write(ber_socket_t s, int wake) {
280 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
282 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
283 FD_CLR( s, &slap_daemon.sd_writers );
285 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
289 void slapd_set_write(ber_socket_t s, int wake) {
290 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
292 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
293 if (!FD_ISSET(s, &slap_daemon.sd_writers))
294 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
296 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
300 void slapd_clr_read(ber_socket_t s, int wake) {
301 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
303 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
304 FD_CLR( s, &slap_daemon.sd_readers );
306 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
310 void slapd_set_read(ber_socket_t s, int wake) {
311 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
313 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
314 if (!FD_ISSET(s, &slap_daemon.sd_readers))
315 FD_SET( s, &slap_daemon.sd_readers );
317 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
321 static void slapd_close(ber_socket_t s) {
323 LDAP_LOG( CONNECTION, DETAIL1, "slapd_close: closing %ld\n", (long)s, 0, 0);
325 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
331 static void slap_free_listener_addresses(struct sockaddr **sal)
333 struct sockaddr **sap;
339 for (sap = sal; *sap != NULL; sap++) {
346 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
347 static int get_url_perms(
359 for ( i = 0; exts[ i ]; i++ ) {
360 char *type = exts[ i ];
363 if ( type[ 0 ] == '!' ) {
368 if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
370 + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
374 switch (strlen(value)) {
376 /* skip leading '0' */
377 if ( value[ 0 ] != '0' ) {
383 for ( j = 0; j < 3; j++) {
386 v = value[ j ] - '0';
388 if ( v < 0 || v > 7 ) {
397 for ( j = 1; j < 10; j++ ) {
398 static mode_t m[] = { 0,
399 S_IRUSR, S_IWUSR, S_IXUSR,
400 S_IRGRP, S_IWGRP, S_IXGRP,
401 S_IROTH, S_IWOTH, S_IXOTH
403 static char c[] = "-rwxrwxrwx";
405 if ( value[ j ] == c[ j ] ) {
408 } else if ( value[ j ] != '-' ) {
427 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
429 /* port = 0 indicates AF_LOCAL */
430 static int slap_get_listener_addresses(
433 struct sockaddr ***sal)
435 struct sockaddr **sap;
439 *sal = ch_malloc(2 * sizeof(void *));
445 *sap = ch_malloc(sizeof(struct sockaddr_un));
451 (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
453 LDAP_LOG( CONNECTION, INFO,
454 "slap_get_listener_addresses: domain socket path (%s) "
455 "too long in URL\n", host, 0, 0 );
457 Debug( LDAP_DEBUG_ANY,
458 "daemon: domain socket path (%s) too long in URL",
464 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
465 (*sap)->sa_family = AF_LOCAL;
466 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
470 #ifdef HAVE_GETADDRINFO
471 struct addrinfo hints, *res, *sai;
475 memset( &hints, '\0', sizeof(hints) );
476 hints.ai_flags = AI_PASSIVE;
477 hints.ai_socktype = SOCK_STREAM;
478 hints.ai_family = slap_inet4or6;
479 snprintf(serv, sizeof serv, "%d", port);
481 if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
483 LDAP_LOG( CONNECTION, INFO,
484 "slap_get_listener_addresses: getaddrinfo failed: %s\n",
485 AC_GAI_STRERROR(err), 0, 0 );
487 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
488 AC_GAI_STRERROR(err), 0, 0);
494 for (n=2; (sai = sai->ai_next) != NULL; n++) {
497 *sal = ch_calloc(n, sizeof(void *));
505 for ( sai=res; sai; sai=sai->ai_next ) {
506 if( sai->ai_addr == NULL ) {
508 LDAP_LOG( CONNECTION, INFO,
509 "slap_get_listener_addresses: "
510 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
512 Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
513 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
519 switch (sai->ai_family) {
520 # ifdef LDAP_PF_INET6
522 *sap = ch_malloc(sizeof(struct sockaddr_in6));
527 *(struct sockaddr_in6 *)*sap =
528 *((struct sockaddr_in6 *)sai->ai_addr);
532 *sap = ch_malloc(sizeof(struct sockaddr_in));
537 *(struct sockaddr_in *)*sap =
538 *((struct sockaddr_in *)sai->ai_addr);
546 (*sap)->sa_family = sai->ai_family;
556 struct hostent *he = NULL;
558 if ( host == NULL ) {
559 in.s_addr = htonl(INADDR_ANY);
561 } else if ( !inet_aton( host, &in ) ) {
562 he = gethostbyname( host );
565 LDAP_LOG( CONNECTION, INFO,
566 "slap_get_listener_addresses: invalid host %s\n", host, 0, 0 );
568 Debug( LDAP_DEBUG_ANY,
569 "daemon: invalid host %s", host, 0, 0);
573 for (n = 0; he->h_addr_list[n]; n++) ;
576 *sal = ch_malloc((n+1) * sizeof(void *));
582 for ( i = 0; i<n; i++ ) {
583 sap[i] = ch_malloc(sizeof(struct sockaddr_in));
587 (void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
588 sap[i]->sa_family = AF_INET;
589 ((struct sockaddr_in *)sap[i])->sin_port = htons(port);
591 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
593 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
603 slap_free_listener_addresses(*sal);
607 static int slap_open_listener(
618 int err, addrlen = 0;
619 struct sockaddr **sal, **psal;
620 int socktype = SOCK_STREAM; /* default to COTS */
622 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
627 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
629 rc = ldap_url_parse( url, &lud );
631 if( rc != LDAP_URL_SUCCESS ) {
633 LDAP_LOG( CONNECTION, ERR,
634 "slap_open_listener: listen URL \"%s\" parse error %d\n",
637 Debug( LDAP_DEBUG_ANY,
638 "daemon: listen URL \"%s\" parse error=%d\n",
644 l.sl_url.bv_val = NULL;
648 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
650 LDAP_LOG( CONNECTION, INFO,
651 "slap_open_listener: TLS is not supported (%s)\n", url, 0, 0 );
653 Debug( LDAP_DEBUG_ANY,
654 "daemon: TLS not supported (%s)\n",
657 ldap_free_urldesc( lud );
661 if(! lud->lud_port ) {
662 lud->lud_port = LDAP_PORT;
666 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
668 if(! lud->lud_port ) {
669 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
673 port = (unsigned short) lud->lud_port;
675 tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
676 if ( tmp == LDAP_PROTO_IPC ) {
678 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
679 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
681 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
686 LDAP_LOG( CONNECTION, INFO,
687 "slap_open_listener: URL scheme is not supported: %s\n", url, 0, 0 );
689 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
692 ldap_free_urldesc( lud );
696 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
697 || strcmp(lud->lud_host, "*") == 0 )
699 err = slap_get_listener_addresses(NULL, port, &sal);
701 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
704 #ifdef LDAP_CONNECTIONLESS
705 l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
708 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
709 if ( lud->lud_exts ) {
710 err = get_url_perms( lud->lud_exts, &l.sl_perms, &crit );
712 l.sl_perms = S_IRWXU | S_IRWXO;
714 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
716 ldap_free_urldesc( lud );
721 /* If we got more than one address returned, we need to make space
722 * for it in the slap_listeners array.
724 for ( num=0; sal[num]; num++ );
727 slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
731 while ( *sal != NULL ) {
733 switch( (*sal)->sa_family ) {
751 #ifdef LDAP_CONNECTIONLESS
752 if( l.sl_is_udp ) socktype = SOCK_DGRAM;
754 l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
755 if ( l.sl_sd == AC_SOCKET_INVALID ) {
756 int err = sock_errno();
758 LDAP_LOG( CONNECTION, ERR,
759 "slap_open_listener: %s socket() failed errno=%d (%s)\n",
760 af, err, sock_errstr(err) );
762 Debug( LDAP_DEBUG_ANY,
763 "daemon: %s socket() failed errno=%d (%s)\n",
764 af, err, sock_errstr(err) );
770 if ( l.sl_sd >= dtblsize ) {
772 LDAP_LOG( CONNECTION, ERR,
773 "slap_open_listener: listener descriptor %ld is too "
774 "great %ld\n", (long)l.sl_sd, (long)dtblsize, 0 );
776 Debug( LDAP_DEBUG_ANY,
777 "daemon: listener descriptor %ld is too great %ld\n",
778 (long) l.sl_sd, (long) dtblsize, 0 );
780 tcp_close( l.sl_sd );
786 if ( (*sal)->sa_family == AF_LOCAL ) {
787 unlink ( ((struct sockaddr_un *)*sal)->sun_path );
792 /* enable address reuse */
794 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
795 (char *) &tmp, sizeof(tmp) );
796 if ( rc == AC_SOCKET_ERROR ) {
797 int err = sock_errno();
799 LDAP_LOG( CONNECTION, INFO,
800 "slap_open_listener: setsockopt( %ld, SO_REUSEADDR ) "
801 "failed errno %d (%s)\n", (long)l.sl_sd, err,
804 Debug( LDAP_DEBUG_ANY,
805 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
806 (long) l.sl_sd, err, sock_errstr(err) );
812 switch( (*sal)->sa_family ) {
814 addrlen = sizeof(struct sockaddr_in);
819 /* Try to use IPv6 sockets for IPv6 only */
821 rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
822 (char *) &tmp, sizeof(tmp) );
823 if ( rc == AC_SOCKET_ERROR ) {
824 int err = sock_errno();
826 LDAP_LOG( CONNECTION, INFO,
827 "slap_open_listener: setsockopt( %ld, IPV6_V6ONLY ) failed errno %d (%s)\n",
828 (long)l.sl_sd, err, sock_errstr(err) );
830 Debug( LDAP_DEBUG_ANY,
831 "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
832 (long) l.sl_sd, err, sock_errstr(err) );
836 addrlen = sizeof(struct sockaddr_in6);
841 addrlen = sizeof(struct sockaddr_un);
846 if (bind(l.sl_sd, *sal, addrlen)) {
849 LDAP_LOG( CONNECTION, INFO,
850 "slap_open_listener: bind(%ld) failed errno=%d (%s)\n",
851 (long)l.sl_sd, err, sock_errstr(err) );
853 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
854 (long) l.sl_sd, err, sock_errstr(err) );
856 tcp_close( l.sl_sd );
861 switch ( (*sal)->sa_family ) {
864 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
865 #if 0 /* don't muck with socket perms */
866 if ( chmod( addr, l.sl_perms ) < 0 && crit ) {
867 int err = sock_errno();
869 LDAP_LOG( CONNECTION, INFO,
870 "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n",
871 (long)l.sl_sd, err, sock_errstr(err) );
873 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
874 (long) l.sl_sd, err, sock_errstr(err) );
876 tcp_close( l.sl_sd );
877 slap_free_listener_addresses(psal);
881 l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
882 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
883 snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
886 #endif /* LDAP_PF_LOCAL */
890 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
891 char addr[INET_ADDRSTRLEN];
892 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
893 addr, sizeof(addr) );
896 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
898 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
899 l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
900 snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
902 s != NULL ? s : SLAP_STRING_UNKNOWN, port );
903 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
908 char addr[INET6_ADDRSTRLEN];
909 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
911 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
912 l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
913 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
914 snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
916 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
918 #endif /* LDAP_PF_INET6 */
922 LDAP_LOG( CONNECTION, INFO,
923 "slap_open_listener: unsupported address family (%d)\n",
924 (int)(*sal)->sa_family, 0, 0 );
926 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
927 (int) (*sal)->sa_family, 0, 0 );
932 AC_MEMCPY(&l.sl_sa, *sal, addrlen);
933 ber_str2bv( url, 0, 1, &l.sl_url);
934 li = ch_malloc( sizeof( Listener ) );
936 slap_listeners[*cur] = li;
940 } /* while ( *sal != NULL ) */
942 slap_free_listener_addresses(psal);
944 if ( l.sl_url.bv_val == NULL )
947 LDAP_LOG( CONNECTION, RESULTS,
948 "slap_open_listener: failed on %s\n", url, 0, 0 );
950 Debug( LDAP_DEBUG_TRACE,
951 "slap_open_listener: failed on %s\n", url, 0, 0 );
957 LDAP_LOG( CONNECTION, RESULTS,
958 "slap_open_listener: daemon initialized %s\n",
959 l.sl_url.bv_val, 0, 0 );
961 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
962 l.sl_url.bv_val, 0, 0 );
967 static int sockinit(void);
968 static int sockdestroy(void);
970 int slapd_daemon_init( const char *urls )
976 LDAP_LOG( CONNECTION, ARGS,
977 "slapd_daemon_init: %s\n", urls ? urls : "<null>", 0, 0 );
979 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
980 urls ? urls : "<null>", 0, 0 );
982 if( (rc = sockinit()) != 0 ) {
987 dtblsize = sysconf( _SC_OPEN_MAX );
988 #elif HAVE_GETDTABLESIZE
989 dtblsize = getdtablesize();
991 dtblsize = FD_SETSIZE;
995 if(dtblsize > FD_SETSIZE) {
996 dtblsize = FD_SETSIZE;
998 #endif /* !FD_SETSIZE */
1000 /* open a pipe (or something equivalent connected to itself).
1001 * we write a byte on this fd whenever we catch a signal. The main
1002 * loop will be select'ing on this socket, and will wake up when
1003 * this byte arrives.
1005 if( (rc = lutil_pair( wake_sds )) < 0 ) {
1007 LDAP_LOG( CONNECTION, ERR,
1008 "slap_daemon_init: lutil_pair() failed rc=%d\n", rc, 0, 0);
1010 Debug( LDAP_DEBUG_ANY,
1011 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
1016 FD_ZERO( &slap_daemon.sd_readers );
1017 FD_ZERO( &slap_daemon.sd_writers );
1019 if( urls == NULL ) {
1023 u = ldap_str2charray( urls, " " );
1025 if( u == NULL || u[0] == NULL ) {
1027 LDAP_LOG( CONNECTION, ERR,
1028 "slap_daemon_init: no urls (%s) provided.\n", urls, 0, 0 );
1030 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
1036 for( i=0; u[i] != NULL; i++ ) {
1038 LDAP_LOG( CONNECTION, DETAIL1,
1039 "slap_daemon_init: listen on %s\n", u[i], 0, 0 );
1041 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
1048 LDAP_LOG( CONNECTION, INFO,
1049 "slap_daemon_init: no listeners to open (%s)\n", urls, 0, 0 );
1051 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
1054 ldap_charray_free( u );
1059 LDAP_LOG( CONNECTION, INFO,
1060 "slap_daemon_init: %d listeners to open...\n", i, 0, 0 );
1062 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
1065 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
1067 for(n = 0, j = 0; u[n]; n++ ) {
1068 if ( slap_open_listener( u[n], &i, &j ) ) {
1069 ldap_charray_free( u );
1073 slap_listeners[j] = NULL;
1076 LDAP_LOG( CONNECTION, DETAIL1,
1077 "slap_daemon_init: %d listeners opened\n", i, 0, 0 );
1079 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
1084 slapd_slp_init( urls );
1088 ldap_charray_free( u );
1089 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
1095 slapd_daemon_destroy(void)
1097 connections_destroy();
1098 tcp_close( wake_sds[1] );
1099 tcp_close( wake_sds[0] );
1118 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1119 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1121 slapd_remove( slap_listeners[l]->sl_sd, 0 );
1122 #ifdef LDAP_PF_LOCAL
1123 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1124 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1126 #endif /* LDAP_PF_LOCAL */
1127 slapd_close( slap_listeners[l]->sl_sd );
1129 if ( slap_listeners[l]->sl_url.bv_val )
1130 ber_memfree( slap_listeners[l]->sl_url.bv_val );
1131 if ( slap_listeners[l]->sl_name.bv_val )
1132 ber_memfree( slap_listeners[l]->sl_name.bv_val );
1133 free ( slap_listeners[l] );
1134 slap_listeners[l] = NULL;
1145 time_t last_idle_check = 0;
1146 struct timeval idle;
1148 #define SLAPD_IDLE_CHECK_LIMIT 4
1150 if ( global_idletimeout > 0 ) {
1151 last_idle_check = slap_get_time();
1152 /* Set the select timeout.
1153 * Don't just truncate, preserve the fractions of
1154 * seconds to prevent sleeping for zero time.
1156 idle.tv_sec = global_idletimeout/SLAPD_IDLE_CHECK_LIMIT;
1157 idle.tv_usec = global_idletimeout - idle.tv_sec * SLAPD_IDLE_CHECK_LIMIT;
1158 idle.tv_usec *= 1000000 / SLAPD_IDLE_CHECK_LIMIT;
1164 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1165 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1167 #ifdef LDAP_CONNECTIONLESS
1168 /* Since this is connectionless, the data port is the
1169 * listening port. The listen() and accept() calls
1172 if ( slap_listeners[l]->sl_is_udp ) {
1173 slapd_add( slap_listeners[l]->sl_sd );
1178 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1179 int err = sock_errno();
1181 #ifdef LDAP_PF_INET6
1182 /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
1183 * we are already listening to in6addr_any, then we want to ignore
1184 * this and continue.
1186 if ( err == EADDRINUSE ) {
1188 struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
1189 struct sockaddr_in6 sa6;
1191 if ( sa.sin_family == AF_INET &&
1192 sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
1193 for ( i = 0 ; i < l; i++ ) {
1194 sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
1195 if ( sa6.sin6_family == AF_INET6 &&
1196 !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
1201 /* We are already listening to in6addr_any */
1203 LDAP_LOG(CONNECTION, WARNING,
1204 "slapd_daemon_task: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n", 0, 0, 0 );
1206 Debug( LDAP_DEBUG_CONNS,
1207 "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
1210 slapd_close( slap_listeners[l]->sl_sd );
1211 slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
1218 LDAP_LOG( CONNECTION, ERR,
1219 "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n",
1220 slap_listeners[l]->sl_url.bv_val, err, sock_errstr(err) );
1222 Debug( LDAP_DEBUG_ANY,
1223 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1224 slap_listeners[l]->sl_url.bv_val, err,
1227 return( (void*)-1 );
1230 slapd_add( slap_listeners[l]->sl_sd );
1233 #ifdef HAVE_NT_SERVICE_MANAGER
1234 if ( started_event != NULL ) {
1235 ldap_pvt_thread_cond_signal( &started_event );
1238 /* initialization complete. Here comes the loop. */
1240 while ( !slapd_shutdown ) {
1245 #define SLAPD_EBADF_LIMIT 16
1255 struct timeval *tvp;
1257 struct timeval *cat;
1260 now = slap_get_time();
1262 if( ( global_idletimeout > 0 ) &&
1263 difftime( last_idle_check +
1264 global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1265 connections_timeout_idle( now );
1266 last_idle_check = now;
1271 if( slapd_gentle_shutdown ) {
1272 ber_socket_t active;
1274 if( slapd_gentle_shutdown == 1 ) {
1275 Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
1276 close_listeners( 1 );
1277 global_restrictops |= SLAP_RESTRICT_OP_WRITES;
1278 slapd_gentle_shutdown = 2;
1281 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1282 active = slap_daemon.sd_nactives;
1283 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1291 FD_ZERO( &writefds );
1292 FD_ZERO( &readfds );
1296 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1298 #ifdef FD_SET_MANUAL_COPY
1299 for( s = 0; s < nfds; s++ ) {
1300 if(FD_ISSET( &slap_sd_readers, s )) {
1301 FD_SET( s, &readfds );
1303 if(FD_ISSET( &slap_sd_writers, s )) {
1304 FD_SET( s, &writefds );
1308 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1309 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1311 assert(!FD_ISSET(wake_sds[0], &readfds));
1312 FD_SET( wake_sds[0], &readfds );
1314 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1315 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1317 if ( slap_listeners[l]->sl_is_mute )
1318 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1320 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1321 FD_SET( slap_listeners[l]->sl_sd, &readfds );
1324 #ifndef HAVE_WINSOCK
1325 nfds = slap_daemon.sd_nfds;
1329 if ( global_idletimeout && slap_daemon.sd_nactives )
1332 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1335 at = ldap_pvt_thread_pool_backload(&connection_pool) -
1336 ldap_pvt_runqueue_persistent_backload( &syncrepl_rq );
1340 #if defined(HAVE_YIELDING_SELECT) || defined(NO_THREADS)
1341 && ( tv.tv_sec || tv.tv_usec )
1348 ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
1349 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1350 while ( cat && cat->tv_sec && cat->tv_sec <= now ) {
1351 if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
1352 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask );
1354 ldap_pvt_runqueue_runtask( &syncrepl_rq, rtask );
1355 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask );
1356 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
1357 ldap_pvt_thread_pool_submit( &connection_pool,
1358 rtask->routine, (void *) rtask );
1360 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1362 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1363 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
1365 if ( cat != NULL ) {
1366 time_t diff = difftime( cat->tv_sec, now );
1369 if ( tvp == NULL || diff < tv.tv_sec ) {
1376 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1377 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ||
1378 slap_listeners[l]->sl_is_mute )
1382 LDAP_LOG( CONNECTION, DETAIL1,
1383 "slapd_daemon_task: select: listen=%d "
1384 "active_threads=%d tvp=%s\n",
1385 slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" );
1387 Debug( LDAP_DEBUG_CONNS,
1388 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1389 slap_listeners[l]->sl_sd, at,
1390 tvp == NULL ? "NULL" : "zero" );
1394 switch(ns = select( nfds, &readfds,
1396 /* don't pass empty fd_set */
1397 ( writefds.fd_count > 0 ? &writefds : NULL ),
1403 case -1: { /* failure - try again */
1404 int err = sock_errno();
1408 /* you'd think this would be EBADF */
1409 || err == WSAENOTSOCK
1412 if (++ebadf < SLAPD_EBADF_LIMIT)
1416 if( err != EINTR ) {
1418 LDAP_LOG( CONNECTION, INFO,
1419 "slapd_daemon_task: select failed (%d): %s\n",
1420 err, sock_errstr(err), 0 );
1422 Debug( LDAP_DEBUG_CONNS,
1423 "daemon: select failed (%d): %s\n",
1424 err, sock_errstr(err), 0 );
1431 case 0: /* timeout - let threads run */
1434 LDAP_LOG( CONNECTION, DETAIL2,
1435 "slapd_daemon_task: select timeout - yielding\n", 0, 0, 0 );
1437 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1441 ldap_pvt_thread_yield();
1444 default: /* something happened - deal with it */
1445 if( slapd_shutdown ) continue;
1449 LDAP_LOG( CONNECTION, DETAIL2,
1450 "slapd_daemon_task: activity on %d descriptors\n", ns, 0, 0 );
1452 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1458 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1460 tcp_read( wake_sds[0], c, sizeof(c) );
1461 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
1467 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1469 socklen_t len = sizeof(from);
1472 char *authid = NULL;
1473 #ifdef SLAPD_RLOOKUPS
1474 char hbuf[NI_MAXHOST];
1477 char *dnsname = NULL;
1478 char *peeraddr = NULL;
1479 #ifdef LDAP_PF_LOCAL
1480 char peername[MAXPATHLEN + sizeof("PATH=")];
1481 #elif defined(LDAP_PF_INET6)
1482 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1484 char peername[sizeof("IP=255.255.255.255:65336")];
1485 #endif /* LDAP_PF_LOCAL */
1489 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1492 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1495 #ifdef LDAP_CONNECTIONLESS
1496 if ( slap_listeners[l]->sl_is_udp ) {
1497 /* The first time we receive a query, we set this
1498 * up as a "connection". It remains open for the life
1501 if ( slap_listeners[l]->sl_is_udp < 2 ) {
1502 id = connection_init(
1503 slap_listeners[l]->sl_sd,
1504 slap_listeners[l], "", "",
1506 slap_listeners[l]->sl_is_udp++;
1512 /* Don't need to look at this in the data loops */
1513 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1514 FD_CLR( slap_listeners[l]->sl_sd, &writefds );
1516 s = accept( slap_listeners[l]->sl_sd,
1517 (struct sockaddr *) &from, &len );
1518 if ( s == AC_SOCKET_INVALID ) {
1519 int err = sock_errno();
1530 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1532 /* Stop listening until an existing session closes */
1533 slap_listeners[l]->sl_is_mute = 1;
1534 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1538 LDAP_LOG( CONNECTION, ERR,
1539 "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n",
1540 (long)slap_listeners[l]->sl_sd,
1541 err, sock_errstr(err) );
1543 Debug( LDAP_DEBUG_ANY,
1544 "daemon: accept(%ld) failed errno=%d (%s)\n",
1545 (long) slap_listeners[l]->sl_sd, err,
1548 ldap_pvt_thread_yield();
1552 #ifndef HAVE_WINSOCK
1553 /* make sure descriptor number isn't too great */
1554 if ( s >= dtblsize ) {
1556 LDAP_LOG( CONNECTION, ERR,
1557 "slapd_daemon_task: %ld beyond descriptor table size %ld\n",
1558 (long)s, (long)dtblsize, 0 );
1560 Debug( LDAP_DEBUG_ANY,
1561 "daemon: %ld beyond descriptor table size %ld\n",
1562 (long) s, (long) dtblsize, 0 );
1566 ldap_pvt_thread_yield();
1572 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1574 /* newly accepted stream should not be in any of the FD SETS */
1575 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1576 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1577 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1579 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1582 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1583 #ifdef LDAP_PF_LOCAL
1584 /* for IPv4 and IPv6 sockets only */
1585 if ( from.sa_addr.sa_family != AF_LOCAL )
1586 #endif /* LDAP_PF_LOCAL */
1591 /* enable keep alives */
1593 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
1594 (char *) &tmp, sizeof(tmp) );
1595 if ( rc == AC_SOCKET_ERROR ) {
1596 int err = sock_errno();
1598 LDAP_LOG( CONNECTION, ERR,
1599 "slapd_daemon_task: setsockopt( %ld, SO_KEEPALIVE)"
1600 " failed errno=%d (%s)\n",
1601 (long)s, err, sock_errstr(err) );
1603 Debug( LDAP_DEBUG_ANY,
1604 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1605 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1610 /* enable no delay */
1612 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1613 (char *)&tmp, sizeof(tmp) );
1614 if ( rc == AC_SOCKET_ERROR ) {
1615 int err = sock_errno();
1617 LDAP_LOG( CONNECTION, ERR,
1618 "slapd_daemon_task: setsockopt( %ld, "
1619 "TCP_NODELAY) failed errno=%d (%s)\n",
1620 (long)s, err, sock_errstr(err) );
1622 Debug( LDAP_DEBUG_ANY,
1623 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1624 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1632 LDAP_LOG( CONNECTION, DETAIL1,
1633 "slapd_daemon_task: new connection on %ld\n", (long)s, 0, 0 );
1635 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1638 switch ( from.sa_addr.sa_family ) {
1639 # ifdef LDAP_PF_LOCAL
1641 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1642 ssf = LDAP_PVT_SASL_LOCAL_SSF;
1647 if( getpeereid( s, &uid, &gid ) == 0 ) {
1649 sizeof("uidnumber=4294967295+gidnumber=4294967295,"
1650 "cn=peercred,cn=external,cn=auth"));
1651 sprintf(authid, "uidnumber=%d+gidnumber=%d,"
1652 "cn=peercred,cn=external,cn=auth",
1653 (int) uid, (int) gid);
1658 #endif /* LDAP_PF_LOCAL */
1660 # ifdef LDAP_PF_INET6
1662 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1663 peeraddr = inet_ntoa( *((struct in_addr *)
1664 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1665 sprintf( peername, "IP=%s:%d",
1666 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1667 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1669 char addr[INET6_ADDRSTRLEN];
1671 peeraddr = (char *) inet_ntop( AF_INET6,
1672 &from.sa_in6_addr.sin6_addr,
1673 addr, sizeof addr );
1674 sprintf( peername, "IP=%s %d",
1675 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1676 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1679 # endif /* LDAP_PF_INET6 */
1682 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1683 sprintf( peername, "IP=%s:%d",
1684 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1685 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1693 if ( ( from.sa_addr.sa_family == AF_INET )
1694 #ifdef LDAP_PF_INET6
1695 || ( from.sa_addr.sa_family == AF_INET6 )
1698 #ifdef SLAPD_RLOOKUPS
1699 if ( use_reverse_lookup ) {
1701 if (ldap_pvt_get_hname( (const struct sockaddr *)&from, len, hbuf,
1702 sizeof(hbuf), &herr ) == 0) {
1703 ldap_pvt_str2lower( hbuf );
1709 #endif /* SLAPD_RLOOKUPS */
1712 if ( !hosts_ctl("slapd",
1713 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1714 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1715 SLAP_STRING_UNKNOWN ))
1718 Statslog( LDAP_DEBUG_STATS,
1719 "fd=%ld DENIED from %s (%s)\n",
1721 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1722 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1727 #endif /* HAVE_TCPD */
1730 id = connection_init(s,
1732 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1735 slap_listeners[l]->sl_is_tls,
1742 if( authid ) ch_free(authid);
1746 LDAP_LOG( CONNECTION, INFO,
1747 "slapd_daemon_task: "
1748 "connection_init(%ld, %s, %s) "
1751 slap_listeners[l]->sl_name.bv_val );
1753 Debug( LDAP_DEBUG_ANY,
1754 "daemon: connection_init(%ld, %s, %s) "
1758 slap_listeners[l]->sl_name.bv_val );
1764 Statslog( LDAP_DEBUG_STATS,
1765 "conn=%ld fd=%ld ACCEPT from %s (%s)\n",
1768 slap_listeners[l]->sl_name.bv_val,
1777 LDAP_LOG( CONNECTION, DETAIL2,
1778 "slapd_daemon_task: activity on ", 0, 0, 0 );
1780 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1783 for ( i = 0; i < readfds.fd_count; i++ ) {
1785 LDAP_LOG( CONNECTION, DETAIL2,
1786 " %d%s", readfds.fd_array[i], "r", 0, 0 );
1788 Debug( LDAP_DEBUG_CONNS, " %d%s",
1789 readfds.fd_array[i], "r", 0 );
1792 for ( i = 0; i < writefds.fd_count; i++ ) {
1794 LDAP_LOG( CONNECTION, DETAIL2,
1795 " %d%s", writefds.fd_array[i], "w" , 0 );
1797 Debug( LDAP_DEBUG_CONNS, " %d%s",
1798 writefds.fd_array[i], "w", 0 );
1803 for ( i = 0; i < nfds; i++ ) {
1806 r = FD_ISSET( i, &readfds );
1807 w = FD_ISSET( i, &writefds );
1810 LDAP_LOG( CONNECTION, DETAIL2,
1811 " %d%s%s", i, r ? "r" : "", w ? "w" : "" );
1813 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1814 r ? "r" : "", w ? "w" : "" );
1820 LDAP_LOG( CONNECTION, DETAIL2, "\n", 0, 0, 0 );
1822 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1827 /* loop through the writers */
1829 for ( i = 0; i < writefds.fd_count; i++ )
1831 for ( i = 0; i < nfds; i++ )
1836 wd = writefds.fd_array[i];
1838 if( ! FD_ISSET( i, &writefds ) ) {
1845 LDAP_LOG( CONNECTION, DETAIL2,
1846 "slapd_daemon_task: write active on %d\n", wd, 0, 0 );
1848 Debug( LDAP_DEBUG_CONNS,
1849 "daemon: write active on %d\n",
1853 * NOTE: it is possible that the connection was closed
1854 * and that the stream is now inactive.
1855 * connection_write() must valid the stream is still
1859 if ( connection_write( wd ) < 0 ) {
1860 FD_CLR( (unsigned) wd, &readfds );
1866 for ( i = 0; i < readfds.fd_count; i++ )
1868 for ( i = 0; i < nfds; i++ )
1873 rd = readfds.fd_array[i];
1875 if( ! FD_ISSET( i, &readfds ) ) {
1882 LDAP_LOG( CONNECTION, DETAIL2,
1883 "slapd_daemon_task: read activity on %d\n", rd, 0, 0 );
1885 Debug ( LDAP_DEBUG_CONNS,
1886 "daemon: read activity on %d\n", rd, 0, 0 );
1889 * NOTE: it is possible that the connection was closed
1890 * and that the stream is now inactive.
1891 * connection_read() must valid the stream is still
1895 if ( connection_read( rd ) < 0 ) {
1899 ldap_pvt_thread_yield();
1902 if( slapd_shutdown == 1 ) {
1904 LDAP_LOG( CONNECTION, CRIT,
1905 "slapd_daemon_task: shutdown requested and initiated.\n", 0, 0, 0 );
1907 Debug( LDAP_DEBUG_TRACE,
1908 "daemon: shutdown requested and initiated.\n",
1912 } else if ( slapd_shutdown == 2 ) {
1913 #ifdef HAVE_NT_SERVICE_MANAGER
1915 LDAP_LOG( CONNECTION, CRIT,
1916 "slapd_daemon_task: shutdown initiated by Service Manager.\n",
1919 Debug( LDAP_DEBUG_TRACE,
1920 "daemon: shutdown initiated by Service Manager.\n",
1923 #else /* !HAVE_NT_SERVICE_MANAGER */
1925 LDAP_LOG( CONNECTION, CRIT,
1926 "slapd_daemon_task: abnormal condition, "
1927 "shutdown initiated.\n", 0, 0, 0 );
1929 Debug( LDAP_DEBUG_TRACE,
1930 "daemon: abnormal condition, shutdown initiated.\n",
1933 #endif /* !HAVE_NT_SERVICE_MANAGER */
1936 LDAP_LOG( CONNECTION, CRIT,
1937 "slapd_daemon_task: no active streams, shutdown initiated.\n",
1940 Debug( LDAP_DEBUG_TRACE,
1941 "daemon: no active streams, shutdown initiated.\n",
1946 if( slapd_gentle_shutdown != 2 ) {
1947 close_listeners ( 0 );
1950 free ( slap_listeners );
1951 slap_listeners = NULL;
1953 if( !slapd_gentle_shutdown ) {
1954 connections_shutdown();
1958 LDAP_LOG( CONNECTION, CRIT,
1959 "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n",
1960 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1962 Debug( LDAP_DEBUG_ANY,
1963 "slapd shutdown: waiting for %d threads to terminate\n",
1964 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1966 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1972 int slapd_daemon( void )
1978 #define SLAPD_LISTENER_THREAD 1
1979 #if defined( SLAPD_LISTENER_THREAD )
1981 ldap_pvt_thread_t listener_tid;
1983 /* listener as a separate THREAD */
1984 rc = ldap_pvt_thread_create( &listener_tid,
1985 0, slapd_daemon_task, NULL );
1989 LDAP_LOG( CONNECTION, ERR,
1990 "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n",
1993 Debug( LDAP_DEBUG_ANY,
1994 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
1999 /* wait for the listener thread to complete */
2000 ldap_pvt_thread_join( listener_tid, (void *) NULL );
2003 /* experimental code */
2004 slapd_daemon_task( NULL );
2013 #if defined( HAVE_WINSOCK2 )
2014 WORD wVersionRequested;
2018 wVersionRequested = MAKEWORD( 2, 0 );
2020 err = WSAStartup( wVersionRequested, &wsaData );
2022 /* Tell the user that we couldn't find a usable */
2027 /* Confirm that the WinSock DLL supports 2.0.*/
2028 /* Note that if the DLL supports versions greater */
2029 /* than 2.0 in addition to 2.0, it will still return */
2030 /* 2.0 in wVersion since that is the version we */
2033 if ( LOBYTE( wsaData.wVersion ) != 2 ||
2034 HIBYTE( wsaData.wVersion ) != 0 )
2036 /* Tell the user that we couldn't find a usable */
2042 /* The WinSock DLL is acceptable. Proceed. */
2043 #elif defined( HAVE_WINSOCK )
2045 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
2052 int sockdestroy(void)
2054 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
2061 slap_sig_shutdown( int sig )
2065 LDAP_LOG( CONNECTION, CRIT,
2066 "slap_sig_shutdown: signal %d\n", sig, 0, 0 );
2068 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
2073 * If the NT Service Manager is controlling the server, we don't
2074 * want SIGBREAK to kill the server. For some strange reason,
2075 * SIGBREAK is generated when a user logs out.
2079 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
2080 if (is_NT_Service && sig == SIGBREAK)
2082 LDAP_LOG( CONNECTION, CRIT,
2083 "slap_sig_shutdown: SIGBREAK ignored.\n", 0, 0, 0 );
2085 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
2092 if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
2093 slapd_gentle_shutdown = 1;
2100 /* reinstall self */
2101 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
2105 slap_sig_wake( int sig )
2109 /* reinstall self */
2110 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
2114 void slapd_add_internal(ber_socket_t s) {
2118 Listener ** slapd_get_listeners(void) {
2119 return slap_listeners;