3 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
13 #include <ac/socket.h>
14 #include <ac/string.h>
16 #include <ac/unistd.h>
19 #include "ldap_pvt_thread.h"
26 int allow_severity = LOG_INFO;
27 int deny_severity = LOG_NOTICE;
28 #endif /* TCP Wrappers */
32 /* this should go in <ldap.h> as soon as it is accepted */
33 #define LDAPI_MOD_URLEXT "x-mod"
34 #endif /* LDAP_PF_LOCAL */
37 int slap_inet4or6 = AF_UNSPEC;
39 int slap_inet4or6 = AF_INET;
44 ber_socket_t dtblsize;
46 Listener **slap_listeners = NULL;
48 #define SLAPD_LISTEN 10
50 static ber_socket_t wake_sds[2];
52 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
54 #define WAKE_LISTENER(w) \
55 ((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
57 #define WAKE_LISTENER(w) \
58 do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
64 volatile sig_atomic_t slapd_shutdown = 0, slapd_gentle_shutdown = 0;
66 static struct slap_daemon {
67 ldap_pvt_thread_mutex_t sd_mutex;
69 ber_socket_t sd_nactives;
72 /* In winsock, accept() returns values higher than dtblsize
73 so don't bother with this optimization */
86 * SLP related functions
90 #define LDAP_SRVTYPE_PREFIX "service:ldap://"
91 #define LDAPS_SRVTYPE_PREFIX "service:ldaps://"
92 static char** slapd_srvurls = NULL;
93 static SLPHandle slapd_hslp = 0;
95 void slapd_slp_init( const char* urls ) {
98 slapd_srvurls = ldap_str2charray( urls, " " );
100 if( slapd_srvurls == NULL ) return;
102 /* find and expand INADDR_ANY URLs */
103 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
104 if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) {
105 char *host = ldap_pvt_get_fqdn( NULL );
106 if ( host != NULL ) {
107 slapd_srvurls[i] = (char *) realloc( slapd_srvurls[i],
109 sizeof( LDAP_SRVTYPE_PREFIX ) );
110 strcpy( lutil_strcopy(slapd_srvurls[i],
111 LDAP_SRVTYPE_PREFIX ), host );
116 } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) {
117 char *host = ldap_pvt_get_fqdn( NULL );
118 if ( host != NULL ) {
119 slapd_srvurls[i] = (char *) realloc( slapd_srvurls[i],
121 sizeof( LDAPS_SRVTYPE_PREFIX ) );
122 strcpy( lutil_strcopy(slapd_srvurls[i],
123 LDAPS_SRVTYPE_PREFIX ), host );
130 /* open the SLP handle */
131 SLPOpen( "en", 0, &slapd_hslp );
134 void slapd_slp_deinit() {
135 if( slapd_srvurls == NULL ) return;
137 ldap_charray_free( slapd_srvurls );
138 slapd_srvurls = NULL;
140 /* close the SLP handle */
141 SLPClose( slapd_hslp );
144 void slapd_slp_regreport(
152 void slapd_slp_reg() {
155 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
156 if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
157 sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
158 strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
159 sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
163 SLP_LIFETIME_MAXIMUM,
173 void slapd_slp_dereg() {
176 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
177 SLPDereg( slapd_hslp,
183 #endif /* HAVE_SLP */
186 * Add a descriptor to daemon control
188 static void slapd_add(ber_socket_t s) {
189 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
191 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
192 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
193 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
196 if (s >= slap_daemon.sd_nfds) {
197 slap_daemon.sd_nfds = s + 1;
201 slap_daemon.sd_nactives++;
203 FD_SET( s, &slap_daemon.sd_actives );
204 FD_SET( s, &slap_daemon.sd_readers );
207 LDAP_LOG( CONNECTION, DETAIL1,
208 "slapd_add: added %ld%s%s\n", (long)s,
209 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
210 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
212 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
214 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
215 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
217 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
221 * Remove the descriptor from daemon control
223 void slapd_remove(ber_socket_t s, int wake) {
224 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
226 slap_daemon.sd_nactives--;
229 LDAP_LOG( CONNECTION, DETAIL1,
230 "slapd_remove: removing %ld%s%s\n", (long) s,
231 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
232 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
234 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
236 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
237 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
239 FD_CLR( s, &slap_daemon.sd_actives );
240 FD_CLR( s, &slap_daemon.sd_readers );
241 FD_CLR( s, &slap_daemon.sd_writers );
243 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
244 WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
247 void slapd_clr_write(ber_socket_t s, int wake) {
248 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
250 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
251 FD_CLR( s, &slap_daemon.sd_writers );
253 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
257 void slapd_set_write(ber_socket_t s, int wake) {
258 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
260 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
261 if (!FD_ISSET(s, &slap_daemon.sd_writers))
262 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
264 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
268 void slapd_clr_read(ber_socket_t s, int wake) {
269 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
271 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
272 FD_CLR( s, &slap_daemon.sd_readers );
274 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
278 void slapd_set_read(ber_socket_t s, int wake) {
279 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
281 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
282 if (!FD_ISSET(s, &slap_daemon.sd_readers))
283 FD_SET( s, &slap_daemon.sd_readers );
285 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
289 static void slapd_close(ber_socket_t s) {
291 LDAP_LOG( CONNECTION, DETAIL1, "slapd_close: closing %ld\n", (long)s, 0, 0);
293 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
299 static void slap_free_listener_addresses(struct sockaddr **sal)
301 struct sockaddr **sap;
307 for (sap = sal; *sap != NULL; sap++) {
315 static int get_url_perms(
327 for ( i = 0; exts[ i ]; i++ ) {
328 char *type = exts[ i ];
331 if ( type[ 0 ] == '!' ) {
336 if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
338 + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
342 switch (strlen(value)) {
344 /* skip leading '0' */
345 if ( value[ 0 ] != '0' ) {
351 for ( j = 0; j < 3; j++) {
354 v = value[ j ] - '0';
356 if ( v < 0 || v > 7 ) {
365 for ( j = 1; j < 10; j++ ) {
366 static mode_t m[] = { 0,
367 S_IRUSR, S_IWUSR, S_IXUSR,
368 S_IRGRP, S_IWGRP, S_IXGRP,
369 S_IROTH, S_IWOTH, S_IXOTH
371 static char c[] = "-rwxrwxrwx";
373 if ( value[ j ] == c[ j ] ) {
376 } else if ( value[ j ] != '-' ) {
395 #endif /* LDAP_PF_LOCAL */
397 /* port = 0 indicates AF_LOCAL */
398 static int slap_get_listener_addresses(
401 struct sockaddr ***sal)
403 struct sockaddr **sap;
407 *sal = ch_malloc(2 * sizeof(void *));
413 *sap = ch_malloc(sizeof(struct sockaddr_un));
419 (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
421 LDAP_LOG( CONNECTION, INFO,
422 "slap_get_listener_addresses: domain socket path (%s) "
423 "too long in URL\n", host, 0, 0 );
425 Debug( LDAP_DEBUG_ANY,
426 "daemon: domain socket path (%s) too long in URL",
432 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
433 (*sap)->sa_family = AF_LOCAL;
434 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
438 #ifdef HAVE_GETADDRINFO
439 struct addrinfo hints, *res, *sai;
443 memset( &hints, '\0', sizeof(hints) );
444 hints.ai_flags = AI_PASSIVE;
445 hints.ai_socktype = SOCK_STREAM;
446 hints.ai_family = slap_inet4or6;
447 snprintf(serv, sizeof serv, "%d", port);
449 if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
451 LDAP_LOG( CONNECTION, INFO,
452 "slap_get_listener_addresses: getaddrinfo failed: %s\n",
453 AC_GAI_STRERROR(err), 0, 0 );
455 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
456 AC_GAI_STRERROR(err), 0, 0);
462 for (n=2; (sai = sai->ai_next) != NULL; n++) {
465 *sal = ch_calloc(n, sizeof(void *));
473 for ( sai=res; sai; sai=sai->ai_next ) {
474 if( sai->ai_addr == NULL ) {
476 LDAP_LOG( CONNECTION, INFO,
477 "slap_get_listener_addresses: "
478 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
480 Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
481 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
487 switch (sai->ai_family) {
488 # ifdef LDAP_PF_INET6
490 *sap = ch_malloc(sizeof(struct sockaddr_in6));
495 *(struct sockaddr_in6 *)*sap =
496 *((struct sockaddr_in6 *)sai->ai_addr);
500 *sap = ch_malloc(sizeof(struct sockaddr_in));
505 *(struct sockaddr_in *)*sap =
506 *((struct sockaddr_in *)sai->ai_addr);
514 (*sap)->sa_family = sai->ai_family;
524 struct hostent *he = NULL;
526 if ( host == NULL ) {
527 in.s_addr = htonl(INADDR_ANY);
529 } else if ( !inet_aton( host, &in ) ) {
530 he = gethostbyname( host );
533 LDAP_LOG( CONNECTION, INFO,
534 "slap_get_listener_addresses: invalid host %s\n", host, 0, 0 );
536 Debug( LDAP_DEBUG_ANY,
537 "daemon: invalid host %s", host, 0, 0);
541 for (n = 0; he->h_addr_list[n]; n++) ;
544 *sal = ch_malloc((n+1) * sizeof(void *));
550 for ( i = 0; i<n; i++ ) {
551 sap[i] = ch_malloc(sizeof(struct sockaddr_in));
555 (void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
556 sap[i]->sa_family = AF_INET;
557 ((struct sockaddr_in *)sap[i])->sin_port = htons(port);
559 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
561 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
571 slap_free_listener_addresses(*sal);
575 static int slap_open_listener(
586 int err, addrlen = 0;
587 struct sockaddr **sal, **psal;
588 int socktype = SOCK_STREAM; /* default to COTS */
594 mode_t perms = S_IRWXU;
598 rc = ldap_url_parse( url, &lud );
600 if( rc != LDAP_URL_SUCCESS ) {
602 LDAP_LOG( CONNECTION, ERR,
603 "slap_open_listener: listen URL \"%s\" parse error %d\n",
606 Debug( LDAP_DEBUG_ANY,
607 "daemon: listen URL \"%s\" parse error=%d\n",
613 l.sl_url.bv_val = NULL;
616 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
618 LDAP_LOG( CONNECTION, INFO,
619 "slap_open_listener: TLS is not supported (%s)\n", url, 0, 0 );
621 Debug( LDAP_DEBUG_ANY,
622 "daemon: TLS not supported (%s)\n",
625 ldap_free_urldesc( lud );
629 if(! lud->lud_port ) {
630 lud->lud_port = LDAP_PORT;
634 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
636 if(! lud->lud_port ) {
637 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
641 port = (unsigned short) lud->lud_port;
643 tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
644 if ( tmp == LDAP_PROTO_IPC ) {
646 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
647 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
649 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
652 if ( lud->lud_exts ) {
653 err = get_url_perms( lud->lud_exts, &perms, &crit );
658 LDAP_LOG( CONNECTION, INFO,
659 "slap_open_listener: URL scheme is not supported: %s\n", url, 0, 0 );
661 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
664 ldap_free_urldesc( lud );
668 #ifdef LDAP_CONNECTIONLESS
669 l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
671 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
672 || strcmp(lud->lud_host, "*") == 0 )
674 err = slap_get_listener_addresses(NULL, port, &sal);
676 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
680 ldap_free_urldesc( lud );
685 /* If we got more than one address returned, we need to make space
686 * for it in the slap_listeners array.
688 for ( num=0; sal[num]; num++ );
691 slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
695 while ( *sal != NULL ) {
696 switch( (*sal)->sa_family ) {
709 #ifdef LDAP_CONNECTIONLESS
710 if( l.sl_is_udp ) socktype = SOCK_DGRAM;
712 l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
713 if ( l.sl_sd == AC_SOCKET_INVALID ) {
714 int err = sock_errno();
716 LDAP_LOG( CONNECTION, ERR,
717 "slap_open_listener: socket() failed errno=%d (%s)\n",
718 err, sock_errstr(err), 0 );
720 Debug( LDAP_DEBUG_ANY,
721 "daemon: socket() failed errno=%d (%s)\n", err,
722 sock_errstr(err), 0 );
728 if ( l.sl_sd >= dtblsize ) {
730 LDAP_LOG( CONNECTION, ERR,
731 "slap_open_listener: listener descriptor %ld is too "
732 "great %ld\n", (long)l.sl_sd, (long)dtblsize, 0 );
734 Debug( LDAP_DEBUG_ANY,
735 "daemon: listener descriptor %ld is too great %ld\n",
736 (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();
757 LDAP_LOG( CONNECTION, INFO,
758 "slap_open_listener: setsockopt( %ld, SO_REUSEADDR ) "
759 "failed errno %d (%s)\n", (long)l.sl_sd, err,
762 Debug( LDAP_DEBUG_ANY,
763 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
764 (long) l.sl_sd, err, sock_errstr(err) );
770 switch( (*sal)->sa_family ) {
772 addrlen = sizeof(struct sockaddr_in);
777 /* Try to use IPv6 sockets for IPv6 only */
779 rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
780 (char *) &tmp, sizeof(tmp) );
781 if ( rc == AC_SOCKET_ERROR ) {
782 int err = sock_errno();
784 LDAP_LOG( CONNECTION, INFO,
785 "slap_open_listener: setsockopt( %ld, IPV6_V6ONLY ) failed errno %d (%s)\n",
786 (long)l.sl_sd, err, sock_errstr(err) );
788 Debug( LDAP_DEBUG_ANY,
789 "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
790 (long) l.sl_sd, err, sock_errstr(err) );
794 addrlen = sizeof(struct sockaddr_in6);
799 addrlen = sizeof(struct sockaddr_un);
804 if (bind(l.sl_sd, *sal, addrlen)) {
807 LDAP_LOG( CONNECTION, INFO,
808 "slap_open_listener: bind(%ld) failed errno=%d (%s)\n",
809 (long)l.sl_sd, err, sock_errstr(err) );
811 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
812 (long) l.sl_sd, err, sock_errstr(err) );
814 tcp_close( l.sl_sd );
819 switch ( (*sal)->sa_family ) {
822 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
823 if ( chmod( addr, perms ) < 0 && crit ) {
824 int err = sock_errno();
826 LDAP_LOG( CONNECTION, INFO,
827 "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n",
828 (long)l.sl_sd, err, sock_errstr(err) );
830 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
831 (long) l.sl_sd, err, sock_errstr(err) );
833 tcp_close( l.sl_sd );
834 slap_free_listener_addresses(psal);
837 l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
838 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
839 snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
842 #endif /* LDAP_PF_LOCAL */
846 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
847 char addr[INET_ADDRSTRLEN];
848 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
849 addr, sizeof(addr) );
852 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
854 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
855 l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
856 snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
858 s != NULL ? s : "unknown" , port );
859 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
864 char addr[INET6_ADDRSTRLEN];
865 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
867 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
868 l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
869 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
870 snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
872 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
874 #endif /* LDAP_PF_INET6 */
878 LDAP_LOG( CONNECTION, INFO,
879 "slap_open_listener: unsupported address family (%d)\n",
880 (int)(*sal)->sa_family, 0, 0 );
882 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
883 (int) (*sal)->sa_family, 0, 0 );
888 AC_MEMCPY(&l.sl_sa, *sal, addrlen);
889 ber_str2bv( url, 0, 1, &l.sl_url);
890 li = ch_malloc( sizeof( Listener ) );
892 slap_listeners[*cur] = li;
896 } /* while ( *sal != NULL ) */
898 slap_free_listener_addresses(psal);
900 if ( l.sl_url.bv_val == NULL )
903 LDAP_LOG( CONNECTION, RESULTS,
904 "slap_open_listener: failed on %s\n", url, 0, 0 );
906 Debug( LDAP_DEBUG_TRACE,
907 "slap_open_listener: failed on %s\n", url, 0, 0 );
913 LDAP_LOG( CONNECTION, RESULTS,
914 "slap_open_listener: daemon initialized %s\n",
915 l.sl_url.bv_val, 0, 0 );
917 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
918 l.sl_url.bv_val, 0, 0 );
923 static int sockinit(void);
924 static int sockdestroy(void);
926 int slapd_daemon_init( const char *urls )
932 LDAP_LOG( CONNECTION, ARGS,
933 "slapd_daemon_init: %s\n", urls ? urls : "<null>", 0, 0 );
935 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
936 urls ? urls : "<null>", 0, 0 );
938 if( (rc = sockinit()) != 0 ) {
943 dtblsize = sysconf( _SC_OPEN_MAX );
944 #elif HAVE_GETDTABLESIZE
945 dtblsize = getdtablesize();
947 dtblsize = FD_SETSIZE;
951 if(dtblsize > FD_SETSIZE) {
952 dtblsize = FD_SETSIZE;
954 #endif /* !FD_SETSIZE */
956 /* open a pipe (or something equivalent connected to itself).
957 * we write a byte on this fd whenever we catch a signal. The main
958 * loop will be select'ing on this socket, and will wake up when
961 if( (rc = lutil_pair( wake_sds )) < 0 ) {
963 LDAP_LOG( CONNECTION, ERR,
964 "slap_daemon_init: lutil_pair() failed rc=%d\n", rc, 0, 0);
966 Debug( LDAP_DEBUG_ANY,
967 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
972 FD_ZERO( &slap_daemon.sd_readers );
973 FD_ZERO( &slap_daemon.sd_writers );
979 u = ldap_str2charray( urls, " " );
981 if( u == NULL || u[0] == NULL ) {
983 LDAP_LOG( CONNECTION, ERR,
984 "slap_daemon_init: no urls (%s) provided.\n", urls, 0, 0 );
986 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
992 for( i=0; u[i] != NULL; i++ ) {
994 LDAP_LOG( CONNECTION, DETAIL1,
995 "slap_daemon_init: listen on %s\n.", u[i], 0, 0 );
997 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
1004 LDAP_LOG( CONNECTION, INFO,
1005 "slap_daemon_init: no listeners to open (%s)\n", urls, 0, 0 );
1007 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
1010 ldap_charray_free( u );
1015 LDAP_LOG( CONNECTION, INFO,
1016 "slap_daemon_init: %d listeners to open...\n", i, 0, 0 );
1018 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
1021 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
1023 for(n = 0, j = 0; u[n]; n++ ) {
1024 if ( slap_open_listener( u[n], &i, &j ) ) {
1025 ldap_charray_free( u );
1029 slap_listeners[j] = NULL;
1032 LDAP_LOG( CONNECTION, DETAIL1,
1033 "slap_daemon_init: %d listeners opened\n", i, 0, 0 );
1035 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
1040 slapd_slp_init( urls );
1044 ldap_charray_free( u );
1045 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
1051 slapd_daemon_destroy(void)
1053 connections_destroy();
1054 tcp_close( wake_sds[1] );
1055 tcp_close( wake_sds[0] );
1074 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1075 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1077 slapd_remove( slap_listeners[l]->sl_sd, 0 );
1078 #ifdef LDAP_PF_LOCAL
1079 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1080 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1082 #endif /* LDAP_PF_LOCAL */
1083 slapd_close( slap_listeners[l]->sl_sd );
1085 if ( slap_listeners[l]->sl_url.bv_val )
1086 ber_memfree( slap_listeners[l]->sl_url.bv_val );
1087 if ( slap_listeners[l]->sl_name.bv_val )
1088 ber_memfree( slap_listeners[l]->sl_name.bv_val );
1089 free ( slap_listeners[l] );
1090 slap_listeners[l] = NULL;
1101 time_t last_idle_check = 0;
1104 if ( global_idletimeout > 0 ) {
1105 last_idle_check = slap_get_time();
1107 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1108 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1110 #ifdef LDAP_CONNECTIONLESS
1111 /* Since this is connectionless, the data port is the
1112 * listening port. The listen() and accept() calls
1115 if ( slap_listeners[l]->sl_is_udp ) {
1116 slapd_add( slap_listeners[l]->sl_sd );
1121 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1122 int err = sock_errno();
1124 #ifdef LDAP_PF_INET6
1125 /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
1126 * we are already listening to in6addr_any, then we want to ignore
1127 * this and continue.
1129 if ( err == EADDRINUSE ) {
1131 struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
1132 struct sockaddr_in6 sa6;
1134 if ( sa.sin_family == AF_INET &&
1135 sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
1136 for ( i = 0 ; i < l; i++ ) {
1137 sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
1138 if ( sa6.sin6_family == AF_INET6 &&
1139 !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
1144 /* We are already listening to in6addr_any */
1146 LDAP_LOG(CONNECTION, WARNING,
1147 "slapd_daemon_task: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n", 0, 0, 0 );
1149 Debug( LDAP_DEBUG_CONNS,
1150 "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
1153 slapd_close( slap_listeners[l]->sl_sd );
1154 slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
1161 LDAP_LOG( CONNECTION, ERR,
1162 "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n",
1163 slap_listeners[l]->sl_url.bv_val, err, sock_errstr(err) );
1165 Debug( LDAP_DEBUG_ANY,
1166 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1167 slap_listeners[l]->sl_url.bv_val, err,
1170 return( (void*)-1 );
1173 slapd_add( slap_listeners[l]->sl_sd );
1176 #ifdef HAVE_NT_SERVICE_MANAGER
1177 if ( started_event != NULL ) {
1178 ldap_pvt_thread_cond_signal( &started_event );
1181 /* initialization complete. Here comes the loop. */
1183 while ( !slapd_shutdown ) {
1188 #define SLAPD_EBADF_LIMIT 16
1192 #define SLAPD_IDLE_CHECK_LIMIT 4
1200 #if defined(SLAPD_RLOOKUPS)
1203 struct timeval zero;
1204 struct timeval *tvp;
1207 now = slap_get_time();
1208 connections_timeout_idle( now );
1210 else if ( global_idletimeout > 0 ) {
1211 now = slap_get_time();
1212 if ( difftime( last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1213 connections_timeout_idle( now );
1218 if( slapd_gentle_shutdown ) {
1219 ber_socket_t active;
1221 if( slapd_gentle_shutdown == 1 ) {
1222 Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
1223 close_listeners( 1 );
1224 global_restrictops |= SLAP_RESTRICT_OP_WRITES;
1225 slapd_gentle_shutdown = 2;
1228 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1229 active = slap_daemon.sd_nactives;
1230 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1238 FD_ZERO( &writefds );
1239 FD_ZERO( &readfds );
1244 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1246 #ifdef FD_SET_MANUAL_COPY
1247 for( s = 0; s < nfds; s++ ) {
1248 if(FD_ISSET( &slap_sd_readers, s )) {
1249 FD_SET( s, &readfds );
1251 if(FD_ISSET( &slap_sd_writers, s )) {
1252 FD_SET( s, &writefds );
1256 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1257 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1259 assert(!FD_ISSET(wake_sds[0], &readfds));
1260 FD_SET( wake_sds[0], &readfds );
1262 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1263 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1265 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1266 FD_SET( slap_listeners[l]->sl_sd, &readfds );
1269 #ifndef HAVE_WINSOCK
1270 nfds = slap_daemon.sd_nfds;
1275 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1277 at = ldap_pvt_thread_pool_backload(&connection_pool);
1279 #if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
1282 tvp = at ? &zero : NULL;
1285 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1286 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1290 LDAP_LOG( CONNECTION, DETAIL1,
1291 "slapd_daemon_task: select: listen=%d "
1292 "active_threads=%d tvp=%s\n",
1293 slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" );
1295 Debug( LDAP_DEBUG_CONNS,
1296 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1297 slap_listeners[l]->sl_sd, at,
1298 tvp == NULL ? "NULL" : "zero" );
1302 switch(ns = select( nfds, &readfds,
1304 /* don't pass empty fd_set */
1305 ( writefds.fd_count > 0 ? &writefds : NULL ),
1311 case -1: { /* failure - try again */
1312 int err = sock_errno();
1316 /* you'd think this would be EBADF */
1317 || err == WSAENOTSOCK
1320 if (++ebadf < SLAPD_EBADF_LIMIT)
1324 if( err != EINTR ) {
1326 LDAP_LOG( CONNECTION, INFO,
1327 "slapd_daemon_task: select failed (%d): %s\n",
1328 err, sock_errstr(err), 0 );
1330 Debug( LDAP_DEBUG_CONNS,
1331 "daemon: select failed (%d): %s\n",
1332 err, sock_errstr(err), 0 );
1339 case 0: /* timeout - let threads run */
1342 LDAP_LOG( CONNECTION, DETAIL2,
1343 "slapd_daemon_task: select timeout - yielding\n", 0, 0, 0 );
1345 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1348 ldap_pvt_thread_yield();
1351 default: /* something happened - deal with it */
1352 if( slapd_shutdown ) continue;
1356 LDAP_LOG( CONNECTION, DETAIL2,
1357 "slapd_daemon_task: activity on %d descriptors\n", ns, 0, 0 );
1359 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1365 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1367 tcp_read( wake_sds[0], c, sizeof(c) );
1368 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
1374 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1376 socklen_t len = sizeof(from);
1379 char *authid = NULL;
1381 char *dnsname = NULL;
1382 char *peeraddr = NULL;
1383 #ifdef LDAP_PF_LOCAL
1384 char peername[MAXPATHLEN + sizeof("PATH=")];
1385 #elif defined(LDAP_PF_INET6)
1386 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1388 char peername[sizeof("IP=255.255.255.255:65336")];
1389 #endif /* LDAP_PF_LOCAL */
1393 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1396 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1399 #ifdef LDAP_CONNECTIONLESS
1400 if ( slap_listeners[l]->sl_is_udp ) {
1401 /* The first time we receive a query, we set this
1402 * up as a "connection". It remains open for the life
1405 if ( slap_listeners[l]->sl_is_udp < 2 ) {
1406 id = connection_init(
1407 slap_listeners[l]->sl_sd,
1408 slap_listeners[l], "", "",
1410 slap_listeners[l]->sl_is_udp++;
1416 s = accept( slap_listeners[l]->sl_sd,
1417 (struct sockaddr *) &from, &len );
1418 if ( s == AC_SOCKET_INVALID ) {
1419 int err = sock_errno();
1422 if( err == EMFILE ) {
1427 if( err == ENFILE ) {
1437 LDAP_LOG( CONNECTION, ERR,
1438 "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n",
1439 (long)slap_listeners[l]->sl_sd,
1440 err, sock_errstr(err) );
1442 Debug( LDAP_DEBUG_ANY,
1443 "daemon: accept(%ld) failed errno=%d (%s)\n",
1444 (long) slap_listeners[l]->sl_sd, err,
1448 /* prevent busy loop */
1450 if( emfile % 4 == 3 ) usleep( 250 );
1452 if( emfile % 8 == 7 ) sleep( 1 );
1456 ldap_pvt_thread_yield();
1461 #ifndef HAVE_WINSOCK
1462 /* make sure descriptor number isn't too great */
1463 if ( s >= dtblsize ) {
1465 LDAP_LOG( CONNECTION, ERR,
1466 "slapd_daemon_task: %ld beyond descriptor table size %ld\n",
1467 (long)s, (long)dtblsize, 0 );
1469 Debug( LDAP_DEBUG_ANY,
1470 "daemon: %ld beyond descriptor table size %ld\n",
1471 (long) s, (long) dtblsize, 0 );
1475 ldap_pvt_thread_yield();
1481 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1483 /* newly accepted stream should not be in any of the FD SETS */
1484 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1485 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1486 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1488 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1491 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1492 #ifdef LDAP_PF_LOCAL
1493 /* for IPv4 and IPv6 sockets only */
1494 if ( from.sa_addr.sa_family != AF_LOCAL )
1495 #endif /* LDAP_PF_LOCAL */
1500 /* enable keep alives */
1502 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
1503 (char *) &tmp, sizeof(tmp) );
1504 if ( rc == AC_SOCKET_ERROR ) {
1505 int err = sock_errno();
1507 LDAP_LOG( CONNECTION, ERR,
1508 "slapd_daemon_task: setsockopt( %ld, SO_KEEPALIVE)"
1509 " failed errno=%d (%s)\n",
1510 (long)s, err, sock_errstr(err) );
1512 Debug( LDAP_DEBUG_ANY,
1513 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1514 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1519 /* enable no delay */
1521 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1522 (char *)&tmp, sizeof(tmp) );
1523 if ( rc == AC_SOCKET_ERROR ) {
1524 int err = sock_errno();
1526 LDAP_LOG( CONNECTION, ERR,
1527 "slapd_daemon_task: setsockopt( %ld, "
1528 "TCP_NODELAY) failed errno=%d (%s)\n",
1529 (long)s, err, sock_errstr(err) );
1531 Debug( LDAP_DEBUG_ANY,
1532 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1533 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1541 LDAP_LOG( CONNECTION, DETAIL1,
1542 "slapd_daemon_task: new connection on %ld\n", (long)s, 0, 0 );
1544 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1547 switch ( from.sa_addr.sa_family ) {
1548 # ifdef LDAP_PF_LOCAL
1550 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1551 ssf = LDAP_PVT_SASL_LOCAL_SSF;
1554 #endif /* LDAP_PF_LOCAL */
1556 # ifdef LDAP_PF_INET6
1558 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1559 peeraddr = inet_ntoa( *((struct in_addr *)
1560 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1561 sprintf( peername, "IP=%s:%d",
1562 peeraddr != NULL ? peeraddr : "unknown",
1563 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1565 char addr[INET6_ADDRSTRLEN];
1567 peeraddr = (char *) inet_ntop( AF_INET6,
1568 &from.sa_in6_addr.sin6_addr,
1569 addr, sizeof addr );
1570 sprintf( peername, "IP=%s %d",
1571 peeraddr != NULL ? peeraddr : "unknown",
1572 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1575 # endif /* LDAP_PF_INET6 */
1578 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1579 sprintf( peername, "IP=%s:%d",
1580 peeraddr != NULL ? peeraddr : "unknown",
1581 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1589 if ( ( from.sa_addr.sa_family == AF_INET )
1590 #ifdef LDAP_PF_INET6
1591 || ( from.sa_addr.sa_family == AF_INET6 )
1594 #ifdef SLAPD_RLOOKUPS
1595 if ( use_reverse_lookup ) {
1596 # ifdef LDAP_PF_INET6
1597 if ( from.sa_addr.sa_family == AF_INET6 )
1599 (char *)&(from.sa_in6_addr.sin6_addr),
1600 sizeof(from.sa_in6_addr.sin6_addr),
1603 # endif /* LDAP_PF_INET6 */
1605 (char *) &(from.sa_in_addr.sin_addr),
1606 sizeof(from.sa_in_addr.sin_addr),
1608 dnsname = hp ? ldap_pvt_str2lower( hp->h_name ) : NULL;
1612 #endif /* SLAPD_RLOOKUPS */
1615 if ( !hosts_ctl("slapd",
1616 dnsname != NULL ? dnsname : STRING_UNKNOWN,
1617 peeraddr != NULL ? peeraddr : STRING_UNKNOWN,
1621 Statslog( LDAP_DEBUG_ANY,
1622 "fd=%ld host access from %s (%s) denied.\n",
1624 dnsname != NULL ? dnsname : "unknown",
1625 peeraddr != NULL ? peeraddr : "unknown",
1630 #endif /* HAVE_TCPD */
1633 id = connection_init(s,
1635 dnsname != NULL ? dnsname : "unknown",
1638 slap_listeners[l]->sl_is_tls,
1645 if( authid ) ch_free(authid);
1649 LDAP_LOG( CONNECTION, INFO,
1650 "slapd_daemon_task: "
1651 "connection_init(%ld, %s, %s) "
1654 slap_listeners[l]->sl_name.bv_val );
1656 Debug( LDAP_DEBUG_ANY,
1657 "daemon: connection_init(%ld, %s, %s) "
1661 slap_listeners[l]->sl_name.bv_val );
1667 Statslog( LDAP_DEBUG_STATS,
1668 "daemon: conn=%ld fd=%ld connection from %s "
1672 slap_listeners[l]->sl_name.bv_val,
1681 LDAP_LOG( CONNECTION, DETAIL2,
1682 "slapd_daemon_task: activity on ", 0, 0, 0 );
1684 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1687 for ( i = 0; i < readfds.fd_count; i++ ) {
1689 LDAP_LOG( CONNECTION, DETAIL2,
1690 " %d%s", readfds.fd_array[i], "r", 0, 0 );
1692 Debug( LDAP_DEBUG_CONNS, " %d%s",
1693 readfds.fd_array[i], "r", 0 );
1696 for ( i = 0; i < writefds.fd_count; i++ ) {
1698 LDAP_LOG( CONNECTION, DETAIL2,
1699 " %d%s", writefds.fd_array[i], "w" , 0 );
1701 Debug( LDAP_DEBUG_CONNS, " %d%s",
1702 writefds.fd_array[i], "w", 0 );
1707 for ( i = 0; i < nfds; i++ ) {
1709 int is_listener = 0;
1711 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1712 if ( i == slap_listeners[l]->sl_sd ) {
1713 #ifdef LDAP_CONNECTIONLESS
1714 /* The listener is the data port. Don't
1717 if (slap_listeners[l]->sl_is_udp) continue;
1723 if ( is_listener ) {
1726 r = FD_ISSET( i, &readfds );
1727 w = FD_ISSET( i, &writefds );
1730 LDAP_LOG( CONNECTION, DETAIL2,
1731 " %d%s%s", i, r ? "r" : "", w ? "w" : "" );
1733 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1734 r ? "r" : "", w ? "w" : "" );
1740 LDAP_LOG( CONNECTION, DETAIL2, "\n", 0, 0, 0 );
1742 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1747 /* loop through the writers */
1749 for ( i = 0; i < writefds.fd_count; i++ )
1751 for ( i = 0; i < nfds; i++ )
1755 int is_listener = 0;
1757 wd = writefds.fd_array[i];
1759 if( ! FD_ISSET( i, &writefds ) ) {
1765 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1766 if ( i == slap_listeners[l]->sl_sd ) {
1767 #ifdef LDAP_CONNECTIONLESS
1768 if (slap_listeners[l]->sl_is_udp) continue;
1774 if ( is_listener ) {
1778 LDAP_LOG( CONNECTION, DETAIL2,
1779 "slapd_daemon_task: write active on %d\n", wd, 0, 0 );
1781 Debug( LDAP_DEBUG_CONNS,
1782 "daemon: write active on %d\n",
1786 * NOTE: it is possible that the connection was closed
1787 * and that the stream is now inactive.
1788 * connection_write() must valid the stream is still
1792 if ( connection_write( wd ) < 0 ) {
1793 FD_CLR( (unsigned) wd, &readfds );
1799 for ( i = 0; i < readfds.fd_count; i++ )
1801 for ( i = 0; i < nfds; i++ )
1805 int is_listener = 0;
1808 rd = readfds.fd_array[i];
1810 if( ! FD_ISSET( i, &readfds ) ) {
1816 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1817 if ( rd == slap_listeners[l]->sl_sd ) {
1818 #ifdef LDAP_CONNECTIONLESS
1819 if (slap_listeners[l]->sl_is_udp) continue;
1825 if ( is_listener ) {
1830 LDAP_LOG( CONNECTION, DETAIL2,
1831 "slapd_daemon_task: read activity on %d\n", rd, 0, 0 );
1833 Debug ( LDAP_DEBUG_CONNS,
1834 "daemon: read activity on %d\n", rd, 0, 0 );
1837 * NOTE: it is possible that the connection was closed
1838 * and that the stream is now inactive.
1839 * connection_read() must valid the stream is still
1843 if ( connection_read( rd ) < 0 ) {
1847 ldap_pvt_thread_yield();
1850 if( slapd_shutdown == 1 ) {
1852 LDAP_LOG( CONNECTION, CRIT,
1853 "slapd_daemon_task: shutdown requested and initiated.\n", 0, 0, 0 );
1855 Debug( LDAP_DEBUG_TRACE,
1856 "daemon: shutdown requested and initiated.\n",
1860 } else if ( slapd_shutdown == 2 ) {
1861 #ifdef HAVE_NT_SERVICE_MANAGER
1863 LDAP_LOG( CONNECTION, CRIT,
1864 "slapd_daemon_task: shutdown initiated by Service Manager.\n",
1867 Debug( LDAP_DEBUG_TRACE,
1868 "daemon: shutdown initiated by Service Manager.\n",
1871 #else /* !HAVE_NT_SERVICE_MANAGER */
1873 LDAP_LOG( CONNECTION, CRIT,
1874 "slapd_daemon_task: abnormal condition, "
1875 "shutdown initiated.\n", 0, 0, 0 );
1877 Debug( LDAP_DEBUG_TRACE,
1878 "daemon: abnormal condition, shutdown initiated.\n",
1881 #endif /* !HAVE_NT_SERVICE_MANAGER */
1884 LDAP_LOG( CONNECTION, CRIT,
1885 "slapd_daemon_task: no active streams, shutdown initiated.\n",
1888 Debug( LDAP_DEBUG_TRACE,
1889 "daemon: no active streams, shutdown initiated.\n",
1894 if( slapd_gentle_shutdown != 2 )
1895 close_listeners ( 0 );
1896 free ( slap_listeners );
1897 slap_listeners = NULL;
1900 LDAP_LOG( CONNECTION, CRIT,
1901 "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n",
1902 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1904 Debug( LDAP_DEBUG_ANY,
1905 "slapd shutdown: waiting for %d threads to terminate\n",
1906 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1908 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1914 int slapd_daemon( void )
1920 #define SLAPD_LISTENER_THREAD 1
1921 #if defined( SLAPD_LISTENER_THREAD )
1923 ldap_pvt_thread_t listener_tid;
1925 /* listener as a separate THREAD */
1926 rc = ldap_pvt_thread_create( &listener_tid,
1927 0, slapd_daemon_task, NULL );
1931 LDAP_LOG( CONNECTION, ERR,
1932 "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n",
1935 Debug( LDAP_DEBUG_ANY,
1936 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
1941 /* wait for the listener thread to complete */
1942 ldap_pvt_thread_join( listener_tid, (void *) NULL );
1945 /* experimental code */
1946 slapd_daemon_task( NULL );
1955 #if defined( HAVE_WINSOCK2 )
1956 WORD wVersionRequested;
1960 wVersionRequested = MAKEWORD( 2, 0 );
1962 err = WSAStartup( wVersionRequested, &wsaData );
1964 /* Tell the user that we couldn't find a usable */
1969 /* Confirm that the WinSock DLL supports 2.0.*/
1970 /* Note that if the DLL supports versions greater */
1971 /* than 2.0 in addition to 2.0, it will still return */
1972 /* 2.0 in wVersion since that is the version we */
1975 if ( LOBYTE( wsaData.wVersion ) != 2 ||
1976 HIBYTE( wsaData.wVersion ) != 0 )
1978 /* Tell the user that we couldn't find a usable */
1984 /* The WinSock DLL is acceptable. Proceed. */
1985 #elif defined( HAVE_WINSOCK )
1987 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
1994 int sockdestroy(void)
1996 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
2003 slap_sig_shutdown( int sig )
2006 LDAP_LOG( CONNECTION, CRIT,
2007 "slap_sig_shutdown: signal %d\n", sig, 0, 0 );
2009 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
2013 * If the NT Service Manager is controlling the server, we don't
2014 * want SIGBREAK to kill the server. For some strange reason,
2015 * SIGBREAK is generated when a user logs out.
2018 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
2019 if (is_NT_Service && sig == SIGBREAK)
2021 LDAP_LOG( CONNECTION, CRIT,
2022 "slap_sig_shutdown: SIGBREAK ignored.\n", 0, 0, 0 );
2024 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
2030 if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
2031 slapd_gentle_shutdown = 1;
2038 /* reinstall self */
2039 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
2043 slap_sig_wake( int sig )
2047 /* reinstall self */
2048 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
2052 void slapd_add_internal(ber_socket_t s) {
2056 Listener ** slapd_get_listeners(void) {
2057 return slap_listeners;