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;
71 volatile sig_atomic_t slapd_abrupt_shutdown = 0;
73 static struct slap_daemon {
74 ldap_pvt_thread_mutex_t sd_mutex;
76 ber_socket_t sd_nactives;
79 /* In winsock, accept() returns values higher than dtblsize
80 so don't bother with this optimization */
93 * SLP related functions
97 #define LDAP_SRVTYPE_PREFIX "service:ldap://"
98 #define LDAPS_SRVTYPE_PREFIX "service:ldaps://"
99 static char** slapd_srvurls = NULL;
100 static SLPHandle slapd_hslp = 0;
102 void slapd_slp_init( const char* urls ) {
105 slapd_srvurls = ldap_str2charray( urls, " " );
107 if( slapd_srvurls == NULL ) return;
109 /* find and expand INADDR_ANY URLs */
110 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
111 if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) {
112 char *host = ldap_pvt_get_fqdn( NULL );
113 if ( host != NULL ) {
114 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
116 sizeof( LDAP_SRVTYPE_PREFIX ) );
117 strcpy( lutil_strcopy(slapd_srvurls[i],
118 LDAP_SRVTYPE_PREFIX ), host );
123 } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) {
124 char *host = ldap_pvt_get_fqdn( NULL );
125 if ( host != NULL ) {
126 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
128 sizeof( LDAPS_SRVTYPE_PREFIX ) );
129 strcpy( lutil_strcopy(slapd_srvurls[i],
130 LDAPS_SRVTYPE_PREFIX ), host );
137 /* open the SLP handle */
138 SLPOpen( "en", 0, &slapd_hslp );
141 void slapd_slp_deinit() {
142 if( slapd_srvurls == NULL ) return;
144 ldap_charray_free( slapd_srvurls );
145 slapd_srvurls = NULL;
147 /* close the SLP handle */
148 SLPClose( slapd_hslp );
151 void slapd_slp_regreport(
159 void slapd_slp_reg() {
162 if( slapd_srvurls == NULL ) return;
164 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
165 if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
166 sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
167 strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
168 sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
172 SLP_LIFETIME_MAXIMUM,
182 void slapd_slp_dereg() {
185 if( slapd_srvurls == NULL ) return;
187 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
188 SLPDereg( slapd_hslp,
194 #endif /* HAVE_SLP */
197 * Add a descriptor to daemon control
199 static void slapd_add(ber_socket_t s) {
200 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
202 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
203 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
204 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
207 if (s >= slap_daemon.sd_nfds) {
208 slap_daemon.sd_nfds = s + 1;
212 slap_daemon.sd_nactives++;
214 FD_SET( s, &slap_daemon.sd_actives );
215 FD_SET( s, &slap_daemon.sd_readers );
218 LDAP_LOG( CONNECTION, DETAIL1,
219 "slapd_add: added %ld%s%s\n", (long)s,
220 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
221 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
223 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
225 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
226 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
228 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
232 * Remove the descriptor from daemon control
234 void slapd_remove(ber_socket_t s, int wake) {
235 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
237 slap_daemon.sd_nactives--;
240 LDAP_LOG( CONNECTION, DETAIL1,
241 "slapd_remove: removing %ld%s%s\n", (long) s,
242 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
243 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
245 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
247 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
248 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
250 FD_CLR( s, &slap_daemon.sd_actives );
251 FD_CLR( s, &slap_daemon.sd_readers );
252 FD_CLR( s, &slap_daemon.sd_writers );
254 /* If we ran out of file descriptors, we dropped a listener from
255 * the select() loop. Now that we're removing a session from our
256 * control, we can try to resume a dropped listener to use.
260 for ( i = 0; slap_listeners[i] != NULL; i++ ) {
261 if ( slap_listeners[i]->sl_sd != AC_SOCKET_INVALID ) {
262 if ( slap_listeners[i]->sl_sd == s ) continue;
263 if ( slap_listeners[i]->sl_is_mute ) {
264 slap_listeners[i]->sl_is_mute = 0;
270 /* Walked the entire list without enabling anything; emfile
271 * counter is stale. Reset it.
273 if ( slap_listeners[i] == NULL )
276 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
277 WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
280 void slapd_clr_write(ber_socket_t s, int wake) {
281 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
283 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
284 FD_CLR( s, &slap_daemon.sd_writers );
286 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
290 void slapd_set_write(ber_socket_t s, int wake) {
291 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
293 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
294 if (!FD_ISSET(s, &slap_daemon.sd_writers))
295 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
297 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
301 void slapd_clr_read(ber_socket_t s, int wake) {
302 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
304 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
305 FD_CLR( s, &slap_daemon.sd_readers );
307 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
311 void slapd_set_read(ber_socket_t s, int wake) {
312 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
314 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
315 if (!FD_ISSET(s, &slap_daemon.sd_readers))
316 FD_SET( s, &slap_daemon.sd_readers );
318 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
322 static void slapd_close(ber_socket_t s) {
324 LDAP_LOG( CONNECTION, DETAIL1, "slapd_close: closing %ld\n", (long)s, 0, 0);
326 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
332 static void slap_free_listener_addresses(struct sockaddr **sal)
334 struct sockaddr **sap;
340 for (sap = sal; *sap != NULL; sap++) {
347 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
348 static int get_url_perms(
360 for ( i = 0; exts[ i ]; i++ ) {
361 char *type = exts[ i ];
364 if ( type[ 0 ] == '!' ) {
369 if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
371 + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
375 switch (strlen(value)) {
377 /* skip leading '0' */
378 if ( value[ 0 ] != '0' ) {
384 for ( j = 0; j < 3; j++) {
387 v = value[ j ] - '0';
389 if ( v < 0 || v > 7 ) {
398 for ( j = 1; j < 10; j++ ) {
399 static mode_t m[] = { 0,
400 S_IRUSR, S_IWUSR, S_IXUSR,
401 S_IRGRP, S_IWGRP, S_IXGRP,
402 S_IROTH, S_IWOTH, S_IXOTH
404 static char c[] = "-rwxrwxrwx";
406 if ( value[ j ] == c[ j ] ) {
409 } else if ( value[ j ] != '-' ) {
428 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
430 /* port = 0 indicates AF_LOCAL */
431 static int slap_get_listener_addresses(
434 struct sockaddr ***sal)
436 struct sockaddr **sap;
440 *sal = ch_malloc(2 * sizeof(void *));
446 *sap = ch_malloc(sizeof(struct sockaddr_un));
452 (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
454 LDAP_LOG( CONNECTION, INFO,
455 "slap_get_listener_addresses: domain socket path (%s) "
456 "too long in URL\n", host, 0, 0 );
458 Debug( LDAP_DEBUG_ANY,
459 "daemon: domain socket path (%s) too long in URL",
465 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
466 (*sap)->sa_family = AF_LOCAL;
467 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
471 #ifdef HAVE_GETADDRINFO
472 struct addrinfo hints, *res, *sai;
476 memset( &hints, '\0', sizeof(hints) );
477 hints.ai_flags = AI_PASSIVE;
478 hints.ai_socktype = SOCK_STREAM;
479 hints.ai_family = slap_inet4or6;
480 snprintf(serv, sizeof serv, "%d", port);
482 if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
484 LDAP_LOG( CONNECTION, INFO,
485 "slap_get_listener_addresses: getaddrinfo failed: %s\n",
486 AC_GAI_STRERROR(err), 0, 0 );
488 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
489 AC_GAI_STRERROR(err), 0, 0);
495 for (n=2; (sai = sai->ai_next) != NULL; n++) {
498 *sal = ch_calloc(n, sizeof(void *));
506 for ( sai=res; sai; sai=sai->ai_next ) {
507 if( sai->ai_addr == NULL ) {
509 LDAP_LOG( CONNECTION, INFO,
510 "slap_get_listener_addresses: "
511 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
513 Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
514 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
520 switch (sai->ai_family) {
521 # ifdef LDAP_PF_INET6
523 *sap = ch_malloc(sizeof(struct sockaddr_in6));
528 *(struct sockaddr_in6 *)*sap =
529 *((struct sockaddr_in6 *)sai->ai_addr);
533 *sap = ch_malloc(sizeof(struct sockaddr_in));
538 *(struct sockaddr_in *)*sap =
539 *((struct sockaddr_in *)sai->ai_addr);
547 (*sap)->sa_family = sai->ai_family;
557 struct hostent *he = NULL;
559 if ( host == NULL ) {
560 in.s_addr = htonl(INADDR_ANY);
562 } else if ( !inet_aton( host, &in ) ) {
563 he = gethostbyname( host );
566 LDAP_LOG( CONNECTION, INFO,
567 "slap_get_listener_addresses: invalid host %s\n", host, 0, 0 );
569 Debug( LDAP_DEBUG_ANY,
570 "daemon: invalid host %s", host, 0, 0);
574 for (n = 0; he->h_addr_list[n]; n++) ;
577 *sal = ch_malloc((n+1) * sizeof(void *));
583 for ( i = 0; i<n; i++ ) {
584 sap[i] = ch_malloc(sizeof(struct sockaddr_in));
588 (void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
589 sap[i]->sa_family = AF_INET;
590 ((struct sockaddr_in *)sap[i])->sin_port = htons(port);
592 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
594 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
604 slap_free_listener_addresses(*sal);
608 static int slap_open_listener(
619 int err, addrlen = 0;
620 struct sockaddr **sal, **psal;
621 int socktype = SOCK_STREAM; /* default to COTS */
623 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
628 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
630 rc = ldap_url_parse( url, &lud );
632 if( rc != LDAP_URL_SUCCESS ) {
634 LDAP_LOG( CONNECTION, ERR,
635 "slap_open_listener: listen URL \"%s\" parse error %d\n",
638 Debug( LDAP_DEBUG_ANY,
639 "daemon: listen URL \"%s\" parse error=%d\n",
645 l.sl_url.bv_val = NULL;
649 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
651 LDAP_LOG( CONNECTION, INFO,
652 "slap_open_listener: TLS is not supported (%s)\n", url, 0, 0 );
654 Debug( LDAP_DEBUG_ANY,
655 "daemon: TLS not supported (%s)\n",
658 ldap_free_urldesc( lud );
662 if(! lud->lud_port ) {
663 lud->lud_port = LDAP_PORT;
667 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
669 if(! lud->lud_port ) {
670 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
674 port = (unsigned short) lud->lud_port;
676 tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
677 if ( tmp == LDAP_PROTO_IPC ) {
679 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
680 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
682 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
687 LDAP_LOG( CONNECTION, INFO,
688 "slap_open_listener: URL scheme is not supported: %s\n", url, 0, 0 );
690 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
693 ldap_free_urldesc( lud );
697 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
698 || strcmp(lud->lud_host, "*") == 0 )
700 err = slap_get_listener_addresses(NULL, port, &sal);
702 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
705 #ifdef LDAP_CONNECTIONLESS
706 l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
709 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
710 if ( lud->lud_exts ) {
711 err = get_url_perms( lud->lud_exts, &l.sl_perms, &crit );
713 l.sl_perms = S_IRWXU | S_IRWXO;
715 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
717 ldap_free_urldesc( lud );
722 /* If we got more than one address returned, we need to make space
723 * for it in the slap_listeners array.
725 for ( num=0; sal[num]; num++ );
728 slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
732 while ( *sal != NULL ) {
734 switch( (*sal)->sa_family ) {
752 #ifdef LDAP_CONNECTIONLESS
753 if( l.sl_is_udp ) socktype = SOCK_DGRAM;
755 l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
756 if ( l.sl_sd == AC_SOCKET_INVALID ) {
757 int err = sock_errno();
759 LDAP_LOG( CONNECTION, ERR,
760 "slap_open_listener: %s socket() failed errno=%d (%s)\n",
761 af, err, sock_errstr(err) );
763 Debug( LDAP_DEBUG_ANY,
764 "daemon: %s socket() failed errno=%d (%s)\n",
765 af, err, sock_errstr(err) );
771 if ( l.sl_sd >= dtblsize ) {
773 LDAP_LOG( CONNECTION, ERR,
774 "slap_open_listener: listener descriptor %ld is too "
775 "great %ld\n", (long)l.sl_sd, (long)dtblsize, 0 );
777 Debug( LDAP_DEBUG_ANY,
778 "daemon: listener descriptor %ld is too great %ld\n",
779 (long) l.sl_sd, (long) dtblsize, 0 );
781 tcp_close( l.sl_sd );
787 if ( (*sal)->sa_family == AF_LOCAL ) {
788 unlink ( ((struct sockaddr_un *)*sal)->sun_path );
793 /* enable address reuse */
795 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
796 (char *) &tmp, sizeof(tmp) );
797 if ( rc == AC_SOCKET_ERROR ) {
798 int err = sock_errno();
800 LDAP_LOG( CONNECTION, INFO,
801 "slap_open_listener: setsockopt( %ld, SO_REUSEADDR ) "
802 "failed errno %d (%s)\n", (long)l.sl_sd, err,
805 Debug( LDAP_DEBUG_ANY,
806 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
807 (long) l.sl_sd, err, sock_errstr(err) );
813 switch( (*sal)->sa_family ) {
815 addrlen = sizeof(struct sockaddr_in);
820 /* Try to use IPv6 sockets for IPv6 only */
822 rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
823 (char *) &tmp, sizeof(tmp) );
824 if ( rc == AC_SOCKET_ERROR ) {
825 int err = sock_errno();
827 LDAP_LOG( CONNECTION, INFO,
828 "slap_open_listener: setsockopt( %ld, IPV6_V6ONLY ) failed errno %d (%s)\n",
829 (long)l.sl_sd, err, sock_errstr(err) );
831 Debug( LDAP_DEBUG_ANY,
832 "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
833 (long) l.sl_sd, err, sock_errstr(err) );
837 addrlen = sizeof(struct sockaddr_in6);
842 addrlen = sizeof(struct sockaddr_un);
847 if (bind(l.sl_sd, *sal, addrlen)) {
850 LDAP_LOG( CONNECTION, INFO,
851 "slap_open_listener: bind(%ld) failed errno=%d (%s)\n",
852 (long)l.sl_sd, err, sock_errstr(err) );
854 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
855 (long) l.sl_sd, err, sock_errstr(err) );
857 tcp_close( l.sl_sd );
862 switch ( (*sal)->sa_family ) {
865 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
866 #if 0 /* don't muck with socket perms */
867 if ( chmod( addr, l.sl_perms ) < 0 && crit ) {
868 int err = sock_errno();
870 LDAP_LOG( CONNECTION, INFO,
871 "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n",
872 (long)l.sl_sd, err, sock_errstr(err) );
874 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
875 (long) l.sl_sd, err, sock_errstr(err) );
877 tcp_close( l.sl_sd );
878 slap_free_listener_addresses(psal);
882 l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
883 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
884 snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
887 #endif /* LDAP_PF_LOCAL */
891 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
892 char addr[INET_ADDRSTRLEN];
893 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
894 addr, sizeof(addr) );
897 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
899 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
900 l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
901 snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
903 s != NULL ? s : SLAP_STRING_UNKNOWN, port );
904 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
909 char addr[INET6_ADDRSTRLEN];
910 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
912 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
913 l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
914 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
915 snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
917 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
919 #endif /* LDAP_PF_INET6 */
923 LDAP_LOG( CONNECTION, INFO,
924 "slap_open_listener: unsupported address family (%d)\n",
925 (int)(*sal)->sa_family, 0, 0 );
927 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
928 (int) (*sal)->sa_family, 0, 0 );
933 AC_MEMCPY(&l.sl_sa, *sal, addrlen);
934 ber_str2bv( url, 0, 1, &l.sl_url);
935 li = ch_malloc( sizeof( Listener ) );
937 slap_listeners[*cur] = li;
941 } /* while ( *sal != NULL ) */
943 slap_free_listener_addresses(psal);
945 if ( l.sl_url.bv_val == NULL )
948 LDAP_LOG( CONNECTION, RESULTS,
949 "slap_open_listener: failed on %s\n", url, 0, 0 );
951 Debug( LDAP_DEBUG_TRACE,
952 "slap_open_listener: failed on %s\n", url, 0, 0 );
958 LDAP_LOG( CONNECTION, RESULTS,
959 "slap_open_listener: daemon initialized %s\n",
960 l.sl_url.bv_val, 0, 0 );
962 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
963 l.sl_url.bv_val, 0, 0 );
968 static int sockinit(void);
969 static int sockdestroy(void);
971 int slapd_daemon_init( const char *urls )
977 LDAP_LOG( CONNECTION, ARGS,
978 "slapd_daemon_init: %s\n", urls ? urls : "<null>", 0, 0 );
980 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
981 urls ? urls : "<null>", 0, 0 );
983 if( (rc = sockinit()) != 0 ) {
988 dtblsize = sysconf( _SC_OPEN_MAX );
989 #elif HAVE_GETDTABLESIZE
990 dtblsize = getdtablesize();
992 dtblsize = FD_SETSIZE;
996 if(dtblsize > FD_SETSIZE) {
997 dtblsize = FD_SETSIZE;
999 #endif /* !FD_SETSIZE */
1001 /* open a pipe (or something equivalent connected to itself).
1002 * we write a byte on this fd whenever we catch a signal. The main
1003 * loop will be select'ing on this socket, and will wake up when
1004 * this byte arrives.
1006 if( (rc = lutil_pair( wake_sds )) < 0 ) {
1008 LDAP_LOG( CONNECTION, ERR,
1009 "slap_daemon_init: lutil_pair() failed rc=%d\n", rc, 0, 0);
1011 Debug( LDAP_DEBUG_ANY,
1012 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
1017 FD_ZERO( &slap_daemon.sd_readers );
1018 FD_ZERO( &slap_daemon.sd_writers );
1020 if( urls == NULL ) {
1024 u = ldap_str2charray( urls, " " );
1026 if( u == NULL || u[0] == NULL ) {
1028 LDAP_LOG( CONNECTION, ERR,
1029 "slap_daemon_init: no urls (%s) provided.\n", urls, 0, 0 );
1031 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
1037 for( i=0; u[i] != NULL; i++ ) {
1039 LDAP_LOG( CONNECTION, DETAIL1,
1040 "slap_daemon_init: listen on %s\n", u[i], 0, 0 );
1042 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
1049 LDAP_LOG( CONNECTION, INFO,
1050 "slap_daemon_init: no listeners to open (%s)\n", urls, 0, 0 );
1052 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
1055 ldap_charray_free( u );
1060 LDAP_LOG( CONNECTION, INFO,
1061 "slap_daemon_init: %d listeners to open...\n", i, 0, 0 );
1063 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
1066 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
1068 for(n = 0, j = 0; u[n]; n++ ) {
1069 if ( slap_open_listener( u[n], &i, &j ) ) {
1070 ldap_charray_free( u );
1074 slap_listeners[j] = NULL;
1077 LDAP_LOG( CONNECTION, DETAIL1,
1078 "slap_daemon_init: %d listeners opened\n", i, 0, 0 );
1080 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
1085 slapd_slp_init( urls );
1089 ldap_charray_free( u );
1090 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
1096 slapd_daemon_destroy(void)
1098 connections_destroy();
1099 tcp_close( wake_sds[1] );
1100 tcp_close( wake_sds[0] );
1119 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1120 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1122 slapd_remove( slap_listeners[l]->sl_sd, 0 );
1123 #ifdef LDAP_PF_LOCAL
1124 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1125 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1127 #endif /* LDAP_PF_LOCAL */
1128 slapd_close( slap_listeners[l]->sl_sd );
1130 if ( slap_listeners[l]->sl_url.bv_val )
1131 ber_memfree( slap_listeners[l]->sl_url.bv_val );
1132 if ( slap_listeners[l]->sl_name.bv_val )
1133 ber_memfree( slap_listeners[l]->sl_name.bv_val );
1134 free ( slap_listeners[l] );
1135 slap_listeners[l] = NULL;
1146 time_t last_idle_check = 0;
1147 struct timeval idle;
1149 #define SLAPD_IDLE_CHECK_LIMIT 4
1151 if ( global_idletimeout > 0 ) {
1152 last_idle_check = slap_get_time();
1153 /* Set the select timeout.
1154 * Don't just truncate, preserve the fractions of
1155 * seconds to prevent sleeping for zero time.
1157 idle.tv_sec = global_idletimeout/SLAPD_IDLE_CHECK_LIMIT;
1158 idle.tv_usec = global_idletimeout - idle.tv_sec * SLAPD_IDLE_CHECK_LIMIT;
1159 idle.tv_usec *= 1000000 / SLAPD_IDLE_CHECK_LIMIT;
1165 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1166 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1168 #ifdef LDAP_CONNECTIONLESS
1169 /* Since this is connectionless, the data port is the
1170 * listening port. The listen() and accept() calls
1173 if ( slap_listeners[l]->sl_is_udp ) {
1174 slapd_add( slap_listeners[l]->sl_sd );
1179 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1180 int err = sock_errno();
1182 #ifdef LDAP_PF_INET6
1183 /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
1184 * we are already listening to in6addr_any, then we want to ignore
1185 * this and continue.
1187 if ( err == EADDRINUSE ) {
1189 struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
1190 struct sockaddr_in6 sa6;
1192 if ( sa.sin_family == AF_INET &&
1193 sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
1194 for ( i = 0 ; i < l; i++ ) {
1195 sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
1196 if ( sa6.sin6_family == AF_INET6 &&
1197 !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
1202 /* We are already listening to in6addr_any */
1204 LDAP_LOG(CONNECTION, WARNING,
1205 "slapd_daemon_task: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n", 0, 0, 0 );
1207 Debug( LDAP_DEBUG_CONNS,
1208 "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
1211 slapd_close( slap_listeners[l]->sl_sd );
1212 slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
1219 LDAP_LOG( CONNECTION, ERR,
1220 "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n",
1221 slap_listeners[l]->sl_url.bv_val, err, sock_errstr(err) );
1223 Debug( LDAP_DEBUG_ANY,
1224 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1225 slap_listeners[l]->sl_url.bv_val, err,
1228 return( (void*)-1 );
1231 slapd_add( slap_listeners[l]->sl_sd );
1234 #ifdef HAVE_NT_SERVICE_MANAGER
1235 if ( started_event != NULL ) {
1236 ldap_pvt_thread_cond_signal( &started_event );
1239 /* initialization complete. Here comes the loop. */
1241 while ( !slapd_shutdown ) {
1246 #define SLAPD_EBADF_LIMIT 16
1256 struct timeval *tvp;
1258 struct timeval *cat;
1261 now = slap_get_time();
1263 if( ( global_idletimeout > 0 ) &&
1264 difftime( last_idle_check +
1265 global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1266 connections_timeout_idle( now );
1267 last_idle_check = now;
1272 if( slapd_gentle_shutdown ) {
1273 ber_socket_t active;
1275 if( slapd_gentle_shutdown == 1 ) {
1276 Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
1277 close_listeners( 1 );
1278 global_restrictops |= SLAP_RESTRICT_OP_WRITES;
1279 slapd_gentle_shutdown = 2;
1282 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1283 active = slap_daemon.sd_nactives;
1284 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1292 FD_ZERO( &writefds );
1293 FD_ZERO( &readfds );
1297 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1299 #ifdef FD_SET_MANUAL_COPY
1300 for( s = 0; s < nfds; s++ ) {
1301 if(FD_ISSET( &slap_sd_readers, s )) {
1302 FD_SET( s, &readfds );
1304 if(FD_ISSET( &slap_sd_writers, s )) {
1305 FD_SET( s, &writefds );
1309 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1310 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1312 assert(!FD_ISSET(wake_sds[0], &readfds));
1313 FD_SET( wake_sds[0], &readfds );
1315 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1316 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1318 if ( slap_listeners[l]->sl_is_mute )
1319 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1321 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1322 FD_SET( slap_listeners[l]->sl_sd, &readfds );
1325 #ifndef HAVE_WINSOCK
1326 nfds = slap_daemon.sd_nfds;
1330 if ( global_idletimeout && slap_daemon.sd_nactives )
1333 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1336 at = ldap_pvt_thread_pool_backload(&connection_pool) -
1337 ldap_pvt_runqueue_persistent_backload( &syncrepl_rq );
1341 #if defined(HAVE_YIELDING_SELECT) || defined(NO_THREADS)
1342 && ( tv.tv_sec || tv.tv_usec )
1349 ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
1350 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1351 while ( cat && cat->tv_sec && cat->tv_sec <= now ) {
1352 if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
1353 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask );
1355 ldap_pvt_runqueue_runtask( &syncrepl_rq, rtask );
1356 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask );
1357 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
1358 ldap_pvt_thread_pool_submit( &connection_pool,
1359 rtask->routine, (void *) rtask );
1361 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1363 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1364 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
1366 if ( cat != NULL ) {
1367 time_t diff = difftime( cat->tv_sec, now );
1370 if ( tvp == NULL || diff < tv.tv_sec ) {
1377 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1378 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ||
1379 slap_listeners[l]->sl_is_mute )
1383 LDAP_LOG( CONNECTION, DETAIL1,
1384 "slapd_daemon_task: select: listen=%d "
1385 "active_threads=%d tvp=%s\n",
1386 slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" );
1388 Debug( LDAP_DEBUG_CONNS,
1389 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1390 slap_listeners[l]->sl_sd, at,
1391 tvp == NULL ? "NULL" : "zero" );
1395 switch(ns = select( nfds, &readfds,
1397 /* don't pass empty fd_set */
1398 ( writefds.fd_count > 0 ? &writefds : NULL ),
1404 case -1: { /* failure - try again */
1405 int err = sock_errno();
1409 /* you'd think this would be EBADF */
1410 || err == WSAENOTSOCK
1413 if (++ebadf < SLAPD_EBADF_LIMIT)
1417 if( err != EINTR ) {
1419 LDAP_LOG( CONNECTION, INFO,
1420 "slapd_daemon_task: select failed (%d): %s\n",
1421 err, sock_errstr(err), 0 );
1423 Debug( LDAP_DEBUG_CONNS,
1424 "daemon: select failed (%d): %s\n",
1425 err, sock_errstr(err), 0 );
1432 case 0: /* timeout - let threads run */
1435 LDAP_LOG( CONNECTION, DETAIL2,
1436 "slapd_daemon_task: select timeout - yielding\n", 0, 0, 0 );
1438 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1442 ldap_pvt_thread_yield();
1445 default: /* something happened - deal with it */
1446 if( slapd_shutdown ) continue;
1450 LDAP_LOG( CONNECTION, DETAIL2,
1451 "slapd_daemon_task: activity on %d descriptors\n", ns, 0, 0 );
1453 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1459 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1461 tcp_read( wake_sds[0], c, sizeof(c) );
1462 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
1468 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1470 socklen_t len = sizeof(from);
1473 char *authid = NULL;
1474 #ifdef SLAPD_RLOOKUPS
1475 char hbuf[NI_MAXHOST];
1478 char *dnsname = NULL;
1479 char *peeraddr = NULL;
1480 #ifdef LDAP_PF_LOCAL
1481 char peername[MAXPATHLEN + sizeof("PATH=")];
1482 #elif defined(LDAP_PF_INET6)
1483 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1485 char peername[sizeof("IP=255.255.255.255:65336")];
1486 #endif /* LDAP_PF_LOCAL */
1490 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1493 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1496 #ifdef LDAP_CONNECTIONLESS
1497 if ( slap_listeners[l]->sl_is_udp ) {
1498 /* The first time we receive a query, we set this
1499 * up as a "connection". It remains open for the life
1502 if ( slap_listeners[l]->sl_is_udp < 2 ) {
1503 id = connection_init(
1504 slap_listeners[l]->sl_sd,
1505 slap_listeners[l], "", "",
1507 slap_listeners[l]->sl_is_udp++;
1513 /* Don't need to look at this in the data loops */
1514 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1515 FD_CLR( slap_listeners[l]->sl_sd, &writefds );
1517 s = accept( slap_listeners[l]->sl_sd,
1518 (struct sockaddr *) &from, &len );
1519 if ( s == AC_SOCKET_INVALID ) {
1520 int err = sock_errno();
1531 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1533 /* Stop listening until an existing session closes */
1534 slap_listeners[l]->sl_is_mute = 1;
1535 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1539 LDAP_LOG( CONNECTION, ERR,
1540 "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n",
1541 (long)slap_listeners[l]->sl_sd,
1542 err, sock_errstr(err) );
1544 Debug( LDAP_DEBUG_ANY,
1545 "daemon: accept(%ld) failed errno=%d (%s)\n",
1546 (long) slap_listeners[l]->sl_sd, err,
1549 ldap_pvt_thread_yield();
1553 #ifndef HAVE_WINSOCK
1554 /* make sure descriptor number isn't too great */
1555 if ( s >= dtblsize ) {
1557 LDAP_LOG( CONNECTION, ERR,
1558 "slapd_daemon_task: %ld beyond descriptor table size %ld\n",
1559 (long)s, (long)dtblsize, 0 );
1561 Debug( LDAP_DEBUG_ANY,
1562 "daemon: %ld beyond descriptor table size %ld\n",
1563 (long) s, (long) dtblsize, 0 );
1567 ldap_pvt_thread_yield();
1573 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1575 /* newly accepted stream should not be in any of the FD SETS */
1576 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1577 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1578 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1580 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1583 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1584 #ifdef LDAP_PF_LOCAL
1585 /* for IPv4 and IPv6 sockets only */
1586 if ( from.sa_addr.sa_family != AF_LOCAL )
1587 #endif /* LDAP_PF_LOCAL */
1592 /* enable keep alives */
1594 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
1595 (char *) &tmp, sizeof(tmp) );
1596 if ( rc == AC_SOCKET_ERROR ) {
1597 int err = sock_errno();
1599 LDAP_LOG( CONNECTION, ERR,
1600 "slapd_daemon_task: setsockopt( %ld, SO_KEEPALIVE)"
1601 " failed errno=%d (%s)\n",
1602 (long)s, err, sock_errstr(err) );
1604 Debug( LDAP_DEBUG_ANY,
1605 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1606 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1611 /* enable no delay */
1613 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1614 (char *)&tmp, sizeof(tmp) );
1615 if ( rc == AC_SOCKET_ERROR ) {
1616 int err = sock_errno();
1618 LDAP_LOG( CONNECTION, ERR,
1619 "slapd_daemon_task: setsockopt( %ld, "
1620 "TCP_NODELAY) failed errno=%d (%s)\n",
1621 (long)s, err, sock_errstr(err) );
1623 Debug( LDAP_DEBUG_ANY,
1624 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1625 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1633 LDAP_LOG( CONNECTION, DETAIL1,
1634 "slapd_daemon_task: new connection on %ld\n", (long)s, 0, 0 );
1636 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1639 switch ( from.sa_addr.sa_family ) {
1640 # ifdef LDAP_PF_LOCAL
1642 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1643 ssf = LDAP_PVT_SASL_LOCAL_SSF;
1648 if( getpeereid( s, &uid, &gid ) == 0 ) {
1650 sizeof("uidnumber=4294967295+gidnumber=4294967295,"
1651 "cn=peercred,cn=external,cn=auth"));
1652 sprintf(authid, "uidnumber=%d+gidnumber=%d,"
1653 "cn=peercred,cn=external,cn=auth",
1654 (int) uid, (int) gid);
1659 #endif /* LDAP_PF_LOCAL */
1661 # ifdef LDAP_PF_INET6
1663 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1664 peeraddr = inet_ntoa( *((struct in_addr *)
1665 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1666 sprintf( peername, "IP=%s:%d",
1667 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1668 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1670 char addr[INET6_ADDRSTRLEN];
1672 peeraddr = (char *) inet_ntop( AF_INET6,
1673 &from.sa_in6_addr.sin6_addr,
1674 addr, sizeof addr );
1675 sprintf( peername, "IP=%s %d",
1676 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1677 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1680 # endif /* LDAP_PF_INET6 */
1683 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1684 sprintf( peername, "IP=%s:%d",
1685 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1686 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1694 if ( ( from.sa_addr.sa_family == AF_INET )
1695 #ifdef LDAP_PF_INET6
1696 || ( from.sa_addr.sa_family == AF_INET6 )
1699 #ifdef SLAPD_RLOOKUPS
1700 if ( use_reverse_lookup ) {
1702 if (ldap_pvt_get_hname( (const struct sockaddr *)&from, len, hbuf,
1703 sizeof(hbuf), &herr ) == 0) {
1704 ldap_pvt_str2lower( hbuf );
1710 #endif /* SLAPD_RLOOKUPS */
1713 if ( !hosts_ctl("slapd",
1714 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1715 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1716 SLAP_STRING_UNKNOWN ))
1719 Statslog( LDAP_DEBUG_STATS,
1720 "fd=%ld DENIED from %s (%s)\n",
1722 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1723 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1728 #endif /* HAVE_TCPD */
1731 id = connection_init(s,
1733 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1736 slap_listeners[l]->sl_is_tls,
1743 if( authid ) ch_free(authid);
1747 LDAP_LOG( CONNECTION, INFO,
1748 "slapd_daemon_task: "
1749 "connection_init(%ld, %s, %s) "
1752 slap_listeners[l]->sl_name.bv_val );
1754 Debug( LDAP_DEBUG_ANY,
1755 "daemon: connection_init(%ld, %s, %s) "
1759 slap_listeners[l]->sl_name.bv_val );
1765 Statslog( LDAP_DEBUG_STATS,
1766 "conn=%ld fd=%ld ACCEPT from %s (%s)\n",
1769 slap_listeners[l]->sl_name.bv_val,
1778 LDAP_LOG( CONNECTION, DETAIL2,
1779 "slapd_daemon_task: activity on ", 0, 0, 0 );
1781 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1784 for ( i = 0; i < readfds.fd_count; i++ ) {
1786 LDAP_LOG( CONNECTION, DETAIL2,
1787 " %d%s", readfds.fd_array[i], "r", 0, 0 );
1789 Debug( LDAP_DEBUG_CONNS, " %d%s",
1790 readfds.fd_array[i], "r", 0 );
1793 for ( i = 0; i < writefds.fd_count; i++ ) {
1795 LDAP_LOG( CONNECTION, DETAIL2,
1796 " %d%s", writefds.fd_array[i], "w" , 0 );
1798 Debug( LDAP_DEBUG_CONNS, " %d%s",
1799 writefds.fd_array[i], "w", 0 );
1804 for ( i = 0; i < nfds; i++ ) {
1807 r = FD_ISSET( i, &readfds );
1808 w = FD_ISSET( i, &writefds );
1811 LDAP_LOG( CONNECTION, DETAIL2,
1812 " %d%s%s", i, r ? "r" : "", w ? "w" : "" );
1814 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1815 r ? "r" : "", w ? "w" : "" );
1821 LDAP_LOG( CONNECTION, DETAIL2, "\n", 0, 0, 0 );
1823 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1828 /* loop through the writers */
1830 for ( i = 0; i < writefds.fd_count; i++ )
1832 for ( i = 0; i < nfds; i++ )
1837 wd = writefds.fd_array[i];
1839 if( ! FD_ISSET( i, &writefds ) ) {
1846 LDAP_LOG( CONNECTION, DETAIL2,
1847 "slapd_daemon_task: write active on %d\n", wd, 0, 0 );
1849 Debug( LDAP_DEBUG_CONNS,
1850 "daemon: write active on %d\n",
1854 * NOTE: it is possible that the connection was closed
1855 * and that the stream is now inactive.
1856 * connection_write() must valid the stream is still
1860 if ( connection_write( wd ) < 0 ) {
1861 FD_CLR( (unsigned) wd, &readfds );
1867 for ( i = 0; i < readfds.fd_count; i++ )
1869 for ( i = 0; i < nfds; i++ )
1874 rd = readfds.fd_array[i];
1876 if( ! FD_ISSET( i, &readfds ) ) {
1883 LDAP_LOG( CONNECTION, DETAIL2,
1884 "slapd_daemon_task: read activity on %d\n", rd, 0, 0 );
1886 Debug ( LDAP_DEBUG_CONNS,
1887 "daemon: read activity on %d\n", rd, 0, 0 );
1890 * NOTE: it is possible that the connection was closed
1891 * and that the stream is now inactive.
1892 * connection_read() must valid the stream is still
1896 if ( connection_read( rd ) < 0 ) {
1900 ldap_pvt_thread_yield();
1903 if( slapd_shutdown == 1 ) {
1905 LDAP_LOG( CONNECTION, CRIT,
1906 "slapd_daemon_task: shutdown requested and initiated.\n", 0, 0, 0 );
1908 Debug( LDAP_DEBUG_TRACE,
1909 "daemon: shutdown requested and initiated.\n",
1913 } else if ( slapd_shutdown == 2 ) {
1914 #ifdef HAVE_NT_SERVICE_MANAGER
1916 LDAP_LOG( CONNECTION, CRIT,
1917 "slapd_daemon_task: shutdown initiated by Service Manager.\n",
1920 Debug( LDAP_DEBUG_TRACE,
1921 "daemon: shutdown initiated by Service Manager.\n",
1924 #else /* !HAVE_NT_SERVICE_MANAGER */
1926 LDAP_LOG( CONNECTION, CRIT,
1927 "slapd_daemon_task: abnormal condition, "
1928 "shutdown initiated.\n", 0, 0, 0 );
1930 Debug( LDAP_DEBUG_TRACE,
1931 "daemon: abnormal condition, shutdown initiated.\n",
1934 #endif /* !HAVE_NT_SERVICE_MANAGER */
1937 LDAP_LOG( CONNECTION, CRIT,
1938 "slapd_daemon_task: no active streams, shutdown initiated.\n",
1941 Debug( LDAP_DEBUG_TRACE,
1942 "daemon: no active streams, shutdown initiated.\n",
1947 if( slapd_gentle_shutdown != 2 ) {
1948 close_listeners ( 0 );
1951 free ( slap_listeners );
1952 slap_listeners = NULL;
1954 if( !slapd_gentle_shutdown ) {
1955 slapd_abrupt_shutdown = 1;
1956 connections_shutdown();
1960 LDAP_LOG( CONNECTION, CRIT,
1961 "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n",
1962 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1964 Debug( LDAP_DEBUG_ANY,
1965 "slapd shutdown: waiting for %d threads to terminate\n",
1966 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1968 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1974 int slapd_daemon( void )
1980 #define SLAPD_LISTENER_THREAD 1
1981 #if defined( SLAPD_LISTENER_THREAD )
1983 ldap_pvt_thread_t listener_tid;
1985 /* listener as a separate THREAD */
1986 rc = ldap_pvt_thread_create( &listener_tid,
1987 0, slapd_daemon_task, NULL );
1991 LDAP_LOG( CONNECTION, ERR,
1992 "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n",
1995 Debug( LDAP_DEBUG_ANY,
1996 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
2001 /* wait for the listener thread to complete */
2002 ldap_pvt_thread_join( listener_tid, (void *) NULL );
2005 /* experimental code */
2006 slapd_daemon_task( NULL );
2015 #if defined( HAVE_WINSOCK2 )
2016 WORD wVersionRequested;
2020 wVersionRequested = MAKEWORD( 2, 0 );
2022 err = WSAStartup( wVersionRequested, &wsaData );
2024 /* Tell the user that we couldn't find a usable */
2029 /* Confirm that the WinSock DLL supports 2.0.*/
2030 /* Note that if the DLL supports versions greater */
2031 /* than 2.0 in addition to 2.0, it will still return */
2032 /* 2.0 in wVersion since that is the version we */
2035 if ( LOBYTE( wsaData.wVersion ) != 2 ||
2036 HIBYTE( wsaData.wVersion ) != 0 )
2038 /* Tell the user that we couldn't find a usable */
2044 /* The WinSock DLL is acceptable. Proceed. */
2045 #elif defined( HAVE_WINSOCK )
2047 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
2054 int sockdestroy(void)
2056 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
2063 slap_sig_shutdown( int sig )
2067 LDAP_LOG( CONNECTION, CRIT,
2068 "slap_sig_shutdown: signal %d\n", sig, 0, 0 );
2070 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
2075 * If the NT Service Manager is controlling the server, we don't
2076 * want SIGBREAK to kill the server. For some strange reason,
2077 * SIGBREAK is generated when a user logs out.
2081 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
2082 if (is_NT_Service && sig == SIGBREAK)
2084 LDAP_LOG( CONNECTION, CRIT,
2085 "slap_sig_shutdown: SIGBREAK ignored.\n", 0, 0, 0 );
2087 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
2094 if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
2095 slapd_gentle_shutdown = 1;
2102 /* reinstall self */
2103 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
2107 slap_sig_wake( int sig )
2111 /* reinstall self */
2112 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
2116 void slapd_add_internal(ber_socket_t s) {
2120 Listener ** slapd_get_listeners(void) {
2121 return slap_listeners;