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 * If isactive, the descriptor is a live server session and is subject
200 * to idletimeout control. Otherwise, the descriptor is a passive
201 * listener or an outbound client session, and not subject to
204 static void slapd_add(ber_socket_t s, int isactive) {
205 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
207 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
208 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
209 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
212 if (s >= slap_daemon.sd_nfds) {
213 slap_daemon.sd_nfds = s + 1;
218 slap_daemon.sd_nactives++;
221 FD_SET( s, &slap_daemon.sd_actives );
222 FD_SET( s, &slap_daemon.sd_readers );
225 LDAP_LOG( CONNECTION, DETAIL1,
226 "slapd_add: added %ld%s%s\n", (long)s,
227 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
228 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
230 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
232 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
233 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
235 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
239 * Remove the descriptor from daemon control
241 void slapd_remove(ber_socket_t s, int wasactive, int wake) {
242 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
245 slap_daemon.sd_nactives--;
249 LDAP_LOG( CONNECTION, DETAIL1,
250 "slapd_remove: removing %ld%s%s\n", (long) s,
251 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
252 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
254 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
256 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
257 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
259 FD_CLR( s, &slap_daemon.sd_actives );
260 FD_CLR( s, &slap_daemon.sd_readers );
261 FD_CLR( s, &slap_daemon.sd_writers );
263 /* If we ran out of file descriptors, we dropped a listener from
264 * the select() loop. Now that we're removing a session from our
265 * control, we can try to resume a dropped listener to use.
269 for ( i = 0; slap_listeners[i] != NULL; i++ ) {
270 if ( slap_listeners[i]->sl_sd != AC_SOCKET_INVALID ) {
271 if ( slap_listeners[i]->sl_sd == s ) continue;
272 if ( slap_listeners[i]->sl_is_mute ) {
273 slap_listeners[i]->sl_is_mute = 0;
279 /* Walked the entire list without enabling anything; emfile
280 * counter is stale. Reset it.
282 if ( slap_listeners[i] == NULL )
285 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
286 WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
289 void slapd_clr_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 FD_CLR( s, &slap_daemon.sd_writers );
295 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
299 void slapd_set_write(ber_socket_t s, int wake) {
300 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
302 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
303 if (!FD_ISSET(s, &slap_daemon.sd_writers))
304 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
306 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
310 void slapd_clr_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 FD_CLR( s, &slap_daemon.sd_readers );
316 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
320 void slapd_set_read(ber_socket_t s, int wake) {
321 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
323 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
324 if (!FD_ISSET(s, &slap_daemon.sd_readers))
325 FD_SET( s, &slap_daemon.sd_readers );
327 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
331 static void slapd_close(ber_socket_t s) {
333 LDAP_LOG( CONNECTION, DETAIL1, "slapd_close: closing %ld\n", (long)s, 0, 0);
335 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
341 static void slap_free_listener_addresses(struct sockaddr **sal)
343 struct sockaddr **sap;
349 for (sap = sal; *sap != NULL; sap++) {
356 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
357 static int get_url_perms(
369 for ( i = 0; exts[ i ]; i++ ) {
370 char *type = exts[ i ];
373 if ( type[ 0 ] == '!' ) {
378 if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
380 + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
384 switch (strlen(value)) {
386 /* skip leading '0' */
387 if ( value[ 0 ] != '0' ) {
393 for ( j = 0; j < 3; j++) {
396 v = value[ j ] - '0';
398 if ( v < 0 || v > 7 ) {
407 for ( j = 1; j < 10; j++ ) {
408 static mode_t m[] = { 0,
409 S_IRUSR, S_IWUSR, S_IXUSR,
410 S_IRGRP, S_IWGRP, S_IXGRP,
411 S_IROTH, S_IWOTH, S_IXOTH
413 static char c[] = "-rwxrwxrwx";
415 if ( value[ j ] == c[ j ] ) {
418 } else if ( value[ j ] != '-' ) {
437 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
439 /* port = 0 indicates AF_LOCAL */
440 static int slap_get_listener_addresses(
443 struct sockaddr ***sal)
445 struct sockaddr **sap;
449 *sal = ch_malloc(2 * sizeof(void *));
455 *sap = ch_malloc(sizeof(struct sockaddr_un));
461 (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
463 LDAP_LOG( CONNECTION, INFO,
464 "slap_get_listener_addresses: domain socket path (%s) "
465 "too long in URL\n", host, 0, 0 );
467 Debug( LDAP_DEBUG_ANY,
468 "daemon: domain socket path (%s) too long in URL",
474 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
475 (*sap)->sa_family = AF_LOCAL;
476 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
480 #ifdef HAVE_GETADDRINFO
481 struct addrinfo hints, *res, *sai;
485 memset( &hints, '\0', sizeof(hints) );
486 hints.ai_flags = AI_PASSIVE;
487 hints.ai_socktype = SOCK_STREAM;
488 hints.ai_family = slap_inet4or6;
489 snprintf(serv, sizeof serv, "%d", port);
491 if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
493 LDAP_LOG( CONNECTION, INFO,
494 "slap_get_listener_addresses: getaddrinfo failed: %s\n",
495 AC_GAI_STRERROR(err), 0, 0 );
497 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
498 AC_GAI_STRERROR(err), 0, 0);
504 for (n=2; (sai = sai->ai_next) != NULL; n++) {
507 *sal = ch_calloc(n, sizeof(void *));
515 for ( sai=res; sai; sai=sai->ai_next ) {
516 if( sai->ai_addr == NULL ) {
518 LDAP_LOG( CONNECTION, INFO,
519 "slap_get_listener_addresses: "
520 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
522 Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
523 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
529 switch (sai->ai_family) {
530 # ifdef LDAP_PF_INET6
532 *sap = ch_malloc(sizeof(struct sockaddr_in6));
537 *(struct sockaddr_in6 *)*sap =
538 *((struct sockaddr_in6 *)sai->ai_addr);
542 *sap = ch_malloc(sizeof(struct sockaddr_in));
547 *(struct sockaddr_in *)*sap =
548 *((struct sockaddr_in *)sai->ai_addr);
556 (*sap)->sa_family = sai->ai_family;
566 struct hostent *he = NULL;
568 if ( host == NULL ) {
569 in.s_addr = htonl(INADDR_ANY);
571 } else if ( !inet_aton( host, &in ) ) {
572 he = gethostbyname( host );
575 LDAP_LOG( CONNECTION, INFO,
576 "slap_get_listener_addresses: invalid host %s\n", host, 0, 0 );
578 Debug( LDAP_DEBUG_ANY,
579 "daemon: invalid host %s", host, 0, 0);
583 for (n = 0; he->h_addr_list[n]; n++) ;
586 *sal = ch_malloc((n+1) * sizeof(void *));
592 for ( i = 0; i<n; i++ ) {
593 sap[i] = ch_malloc(sizeof(struct sockaddr_in));
597 (void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
598 sap[i]->sa_family = AF_INET;
599 ((struct sockaddr_in *)sap[i])->sin_port = htons(port);
601 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
603 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
613 slap_free_listener_addresses(*sal);
617 static int slap_open_listener(
628 int err, addrlen = 0;
629 struct sockaddr **sal, **psal;
630 int socktype = SOCK_STREAM; /* default to COTS */
632 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
637 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
639 rc = ldap_url_parse( url, &lud );
641 if( rc != LDAP_URL_SUCCESS ) {
643 LDAP_LOG( CONNECTION, ERR,
644 "slap_open_listener: listen URL \"%s\" parse error %d\n",
647 Debug( LDAP_DEBUG_ANY,
648 "daemon: listen URL \"%s\" parse error=%d\n",
654 l.sl_url.bv_val = NULL;
658 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
660 LDAP_LOG( CONNECTION, INFO,
661 "slap_open_listener: TLS is not supported (%s)\n", url, 0, 0 );
663 Debug( LDAP_DEBUG_ANY,
664 "daemon: TLS not supported (%s)\n",
667 ldap_free_urldesc( lud );
671 if(! lud->lud_port ) {
672 lud->lud_port = LDAP_PORT;
676 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
678 if(! lud->lud_port ) {
679 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
683 port = (unsigned short) lud->lud_port;
685 tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
686 if ( tmp == LDAP_PROTO_IPC ) {
688 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
689 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
691 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
696 LDAP_LOG( CONNECTION, INFO,
697 "slap_open_listener: URL scheme is not supported: %s\n", url, 0, 0 );
699 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
702 ldap_free_urldesc( lud );
706 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
707 || strcmp(lud->lud_host, "*") == 0 )
709 err = slap_get_listener_addresses(NULL, port, &sal);
711 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
714 #ifdef LDAP_CONNECTIONLESS
715 l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
718 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
719 if ( lud->lud_exts ) {
720 err = get_url_perms( lud->lud_exts, &l.sl_perms, &crit );
722 l.sl_perms = S_IRWXU | S_IRWXO;
724 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
726 ldap_free_urldesc( lud );
731 /* If we got more than one address returned, we need to make space
732 * for it in the slap_listeners array.
734 for ( num=0; sal[num]; num++ );
737 slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
741 while ( *sal != NULL ) {
743 switch( (*sal)->sa_family ) {
761 #ifdef LDAP_CONNECTIONLESS
762 if( l.sl_is_udp ) socktype = SOCK_DGRAM;
764 l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
765 if ( l.sl_sd == AC_SOCKET_INVALID ) {
766 int err = sock_errno();
768 LDAP_LOG( CONNECTION, ERR,
769 "slap_open_listener: %s socket() failed errno=%d (%s)\n",
770 af, err, sock_errstr(err) );
772 Debug( LDAP_DEBUG_ANY,
773 "daemon: %s socket() failed errno=%d (%s)\n",
774 af, err, sock_errstr(err) );
780 if ( l.sl_sd >= dtblsize ) {
782 LDAP_LOG( CONNECTION, ERR,
783 "slap_open_listener: listener descriptor %ld is too "
784 "great %ld\n", (long)l.sl_sd, (long)dtblsize, 0 );
786 Debug( LDAP_DEBUG_ANY,
787 "daemon: listener descriptor %ld is too great %ld\n",
788 (long) l.sl_sd, (long) dtblsize, 0 );
790 tcp_close( l.sl_sd );
796 if ( (*sal)->sa_family == AF_LOCAL ) {
797 unlink ( ((struct sockaddr_un *)*sal)->sun_path );
802 /* enable address reuse */
804 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
805 (char *) &tmp, sizeof(tmp) );
806 if ( rc == AC_SOCKET_ERROR ) {
807 int err = sock_errno();
809 LDAP_LOG( CONNECTION, INFO,
810 "slap_open_listener: setsockopt( %ld, SO_REUSEADDR ) "
811 "failed errno %d (%s)\n", (long)l.sl_sd, err,
814 Debug( LDAP_DEBUG_ANY,
815 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
816 (long) l.sl_sd, err, sock_errstr(err) );
822 switch( (*sal)->sa_family ) {
824 addrlen = sizeof(struct sockaddr_in);
829 /* Try to use IPv6 sockets for IPv6 only */
831 rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
832 (char *) &tmp, sizeof(tmp) );
833 if ( rc == AC_SOCKET_ERROR ) {
834 int err = sock_errno();
836 LDAP_LOG( CONNECTION, INFO,
837 "slap_open_listener: setsockopt( %ld, IPV6_V6ONLY ) failed errno %d (%s)\n",
838 (long)l.sl_sd, err, sock_errstr(err) );
840 Debug( LDAP_DEBUG_ANY,
841 "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
842 (long) l.sl_sd, err, sock_errstr(err) );
846 addrlen = sizeof(struct sockaddr_in6);
851 addrlen = sizeof(struct sockaddr_un);
856 if (bind(l.sl_sd, *sal, addrlen)) {
859 LDAP_LOG( CONNECTION, INFO,
860 "slap_open_listener: bind(%ld) failed errno=%d (%s)\n",
861 (long)l.sl_sd, err, sock_errstr(err) );
863 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
864 (long) l.sl_sd, err, sock_errstr(err) );
866 tcp_close( l.sl_sd );
871 switch ( (*sal)->sa_family ) {
874 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
875 #if 0 /* don't muck with socket perms */
876 if ( chmod( addr, l.sl_perms ) < 0 && crit ) {
877 int err = sock_errno();
879 LDAP_LOG( CONNECTION, INFO,
880 "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n",
881 (long)l.sl_sd, err, sock_errstr(err) );
883 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
884 (long) l.sl_sd, err, sock_errstr(err) );
886 tcp_close( l.sl_sd );
887 slap_free_listener_addresses(psal);
891 l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
892 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
893 snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
896 #endif /* LDAP_PF_LOCAL */
900 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
901 char addr[INET_ADDRSTRLEN];
902 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
903 addr, sizeof(addr) );
906 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
908 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
909 l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
910 snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
912 s != NULL ? s : SLAP_STRING_UNKNOWN, port );
913 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
918 char addr[INET6_ADDRSTRLEN];
919 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
921 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
922 l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
923 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
924 snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
926 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
928 #endif /* LDAP_PF_INET6 */
932 LDAP_LOG( CONNECTION, INFO,
933 "slap_open_listener: unsupported address family (%d)\n",
934 (int)(*sal)->sa_family, 0, 0 );
936 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
937 (int) (*sal)->sa_family, 0, 0 );
942 AC_MEMCPY(&l.sl_sa, *sal, addrlen);
943 ber_str2bv( url, 0, 1, &l.sl_url);
944 li = ch_malloc( sizeof( Listener ) );
946 slap_listeners[*cur] = li;
950 } /* while ( *sal != NULL ) */
952 slap_free_listener_addresses(psal);
954 if ( l.sl_url.bv_val == NULL )
957 LDAP_LOG( CONNECTION, RESULTS,
958 "slap_open_listener: failed on %s\n", url, 0, 0 );
960 Debug( LDAP_DEBUG_TRACE,
961 "slap_open_listener: failed on %s\n", url, 0, 0 );
967 LDAP_LOG( CONNECTION, RESULTS,
968 "slap_open_listener: daemon initialized %s\n",
969 l.sl_url.bv_val, 0, 0 );
971 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
972 l.sl_url.bv_val, 0, 0 );
977 static int sockinit(void);
978 static int sockdestroy(void);
980 int slapd_daemon_init( const char *urls )
986 LDAP_LOG( CONNECTION, ARGS,
987 "slapd_daemon_init: %s\n", urls ? urls : "<null>", 0, 0 );
989 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
990 urls ? urls : "<null>", 0, 0 );
992 if( (rc = sockinit()) != 0 ) {
997 dtblsize = sysconf( _SC_OPEN_MAX );
998 #elif HAVE_GETDTABLESIZE
999 dtblsize = getdtablesize();
1001 dtblsize = FD_SETSIZE;
1005 if(dtblsize > FD_SETSIZE) {
1006 dtblsize = FD_SETSIZE;
1008 #endif /* !FD_SETSIZE */
1010 /* open a pipe (or something equivalent connected to itself).
1011 * we write a byte on this fd whenever we catch a signal. The main
1012 * loop will be select'ing on this socket, and will wake up when
1013 * this byte arrives.
1015 if( (rc = lutil_pair( wake_sds )) < 0 ) {
1017 LDAP_LOG( CONNECTION, ERR,
1018 "slap_daemon_init: lutil_pair() failed rc=%d\n", rc, 0, 0);
1020 Debug( LDAP_DEBUG_ANY,
1021 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
1026 FD_ZERO( &slap_daemon.sd_readers );
1027 FD_ZERO( &slap_daemon.sd_writers );
1029 if( urls == NULL ) {
1033 u = ldap_str2charray( urls, " " );
1035 if( u == NULL || u[0] == NULL ) {
1037 LDAP_LOG( CONNECTION, ERR,
1038 "slap_daemon_init: no urls (%s) provided.\n", urls, 0, 0 );
1040 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
1046 for( i=0; u[i] != NULL; i++ ) {
1048 LDAP_LOG( CONNECTION, DETAIL1,
1049 "slap_daemon_init: listen on %s\n", u[i], 0, 0 );
1051 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
1058 LDAP_LOG( CONNECTION, INFO,
1059 "slap_daemon_init: no listeners to open (%s)\n", urls, 0, 0 );
1061 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
1064 ldap_charray_free( u );
1069 LDAP_LOG( CONNECTION, INFO,
1070 "slap_daemon_init: %d listeners to open...\n", i, 0, 0 );
1072 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
1075 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
1077 for(n = 0, j = 0; u[n]; n++ ) {
1078 if ( slap_open_listener( u[n], &i, &j ) ) {
1079 ldap_charray_free( u );
1083 slap_listeners[j] = NULL;
1086 LDAP_LOG( CONNECTION, DETAIL1,
1087 "slap_daemon_init: %d listeners opened\n", i, 0, 0 );
1089 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
1094 slapd_slp_init( urls );
1098 ldap_charray_free( u );
1099 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
1105 slapd_daemon_destroy(void)
1107 connections_destroy();
1108 tcp_close( wake_sds[1] );
1109 tcp_close( wake_sds[0] );
1128 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1129 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1131 slapd_remove( slap_listeners[l]->sl_sd, 0, 0 );
1132 #ifdef LDAP_PF_LOCAL
1133 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1134 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1136 #endif /* LDAP_PF_LOCAL */
1137 slapd_close( slap_listeners[l]->sl_sd );
1139 if ( slap_listeners[l]->sl_url.bv_val )
1140 ber_memfree( slap_listeners[l]->sl_url.bv_val );
1141 if ( slap_listeners[l]->sl_name.bv_val )
1142 ber_memfree( slap_listeners[l]->sl_name.bv_val );
1143 free ( slap_listeners[l] );
1144 slap_listeners[l] = NULL;
1155 time_t last_idle_check = 0;
1156 struct timeval idle;
1158 #define SLAPD_IDLE_CHECK_LIMIT 4
1160 if ( global_idletimeout > 0 ) {
1161 last_idle_check = slap_get_time();
1162 /* Set the select timeout.
1163 * Don't just truncate, preserve the fractions of
1164 * seconds to prevent sleeping for zero time.
1166 idle.tv_sec = global_idletimeout/SLAPD_IDLE_CHECK_LIMIT;
1167 idle.tv_usec = global_idletimeout - idle.tv_sec * SLAPD_IDLE_CHECK_LIMIT;
1168 idle.tv_usec *= 1000000 / SLAPD_IDLE_CHECK_LIMIT;
1174 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1175 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1177 #ifdef LDAP_CONNECTIONLESS
1178 /* Since this is connectionless, the data port is the
1179 * listening port. The listen() and accept() calls
1182 if ( slap_listeners[l]->sl_is_udp ) {
1183 slapd_add( slap_listeners[l]->sl_sd, 1 );
1188 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1189 int err = sock_errno();
1191 #ifdef LDAP_PF_INET6
1192 /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
1193 * we are already listening to in6addr_any, then we want to ignore
1194 * this and continue.
1196 if ( err == EADDRINUSE ) {
1198 struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
1199 struct sockaddr_in6 sa6;
1201 if ( sa.sin_family == AF_INET &&
1202 sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
1203 for ( i = 0 ; i < l; i++ ) {
1204 sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
1205 if ( sa6.sin6_family == AF_INET6 &&
1206 !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
1211 /* We are already listening to in6addr_any */
1213 LDAP_LOG(CONNECTION, WARNING,
1214 "slapd_daemon_task: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n", 0, 0, 0 );
1216 Debug( LDAP_DEBUG_CONNS,
1217 "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
1220 slapd_close( slap_listeners[l]->sl_sd );
1221 slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
1228 LDAP_LOG( CONNECTION, ERR,
1229 "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n",
1230 slap_listeners[l]->sl_url.bv_val, err, sock_errstr(err) );
1232 Debug( LDAP_DEBUG_ANY,
1233 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1234 slap_listeners[l]->sl_url.bv_val, err,
1237 return( (void*)-1 );
1240 slapd_add( slap_listeners[l]->sl_sd, 0 );
1243 #ifdef HAVE_NT_SERVICE_MANAGER
1244 if ( started_event != NULL ) {
1245 ldap_pvt_thread_cond_signal( &started_event );
1248 /* initialization complete. Here comes the loop. */
1250 while ( !slapd_shutdown ) {
1255 #define SLAPD_EBADF_LIMIT 16
1265 struct timeval *tvp;
1267 struct timeval *cat;
1270 now = slap_get_time();
1272 if( ( global_idletimeout > 0 ) &&
1273 difftime( last_idle_check +
1274 global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1275 connections_timeout_idle( now );
1276 last_idle_check = now;
1281 if( slapd_gentle_shutdown ) {
1282 ber_socket_t active;
1284 if( slapd_gentle_shutdown == 1 ) {
1285 Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
1286 close_listeners( 1 );
1287 global_restrictops |= SLAP_RESTRICT_OP_WRITES;
1288 slapd_gentle_shutdown = 2;
1291 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1292 active = slap_daemon.sd_nactives;
1293 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1301 FD_ZERO( &writefds );
1302 FD_ZERO( &readfds );
1306 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1308 #ifdef FD_SET_MANUAL_COPY
1309 for( s = 0; s < nfds; s++ ) {
1310 if(FD_ISSET( &slap_sd_readers, s )) {
1311 FD_SET( s, &readfds );
1313 if(FD_ISSET( &slap_sd_writers, s )) {
1314 FD_SET( s, &writefds );
1318 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1319 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1321 assert(!FD_ISSET(wake_sds[0], &readfds));
1322 FD_SET( wake_sds[0], &readfds );
1324 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1325 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1327 if ( slap_listeners[l]->sl_is_mute )
1328 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1330 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1331 FD_SET( slap_listeners[l]->sl_sd, &readfds );
1334 #ifndef HAVE_WINSOCK
1335 nfds = slap_daemon.sd_nfds;
1339 if ( global_idletimeout && slap_daemon.sd_nactives )
1342 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1345 #if defined(HAVE_YIELDING_SELECT) || defined(NO_THREADS)
1346 && ( tv.tv_sec || tv.tv_usec )
1353 ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
1354 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1355 while ( cat && cat->tv_sec && cat->tv_sec <= now ) {
1356 if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
1357 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, 0 );
1359 ldap_pvt_runqueue_runtask( &syncrepl_rq, rtask );
1360 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, 0 );
1361 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
1362 ldap_pvt_thread_pool_submit( &connection_pool,
1363 rtask->routine, (void *) rtask );
1364 ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
1366 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1368 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
1370 if ( cat != NULL ) {
1371 time_t diff = difftime( cat->tv_sec, now );
1374 if ( tvp == NULL || diff < tv.tv_sec ) {
1381 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1382 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ||
1383 slap_listeners[l]->sl_is_mute )
1387 LDAP_LOG( CONNECTION, DETAIL1,
1388 "slapd_daemon_task: select: listen=%d "
1389 "active_threads=%d tvp=%s\n",
1390 slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" );
1392 Debug( LDAP_DEBUG_CONNS,
1393 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1394 slap_listeners[l]->sl_sd, at,
1395 tvp == NULL ? "NULL" : "zero" );
1399 switch(ns = select( nfds, &readfds,
1401 /* don't pass empty fd_set */
1402 ( writefds.fd_count > 0 ? &writefds : NULL ),
1408 case -1: { /* failure - try again */
1409 int err = sock_errno();
1413 /* you'd think this would be EBADF */
1414 || err == WSAENOTSOCK
1417 if (++ebadf < SLAPD_EBADF_LIMIT)
1421 if( err != EINTR ) {
1423 LDAP_LOG( CONNECTION, INFO,
1424 "slapd_daemon_task: select failed (%d): %s\n",
1425 err, sock_errstr(err), 0 );
1427 Debug( LDAP_DEBUG_CONNS,
1428 "daemon: select failed (%d): %s\n",
1429 err, sock_errstr(err), 0 );
1436 case 0: /* timeout - let threads run */
1439 LDAP_LOG( CONNECTION, DETAIL2,
1440 "slapd_daemon_task: select timeout - yielding\n", 0, 0, 0 );
1442 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1446 ldap_pvt_thread_yield();
1449 default: /* something happened - deal with it */
1450 if( slapd_shutdown ) continue;
1454 LDAP_LOG( CONNECTION, DETAIL2,
1455 "slapd_daemon_task: activity on %d descriptors\n", ns, 0, 0 );
1457 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1463 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1465 tcp_read( wake_sds[0], c, sizeof(c) );
1466 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
1472 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1474 socklen_t len = sizeof(from);
1477 char *authid = NULL;
1478 #ifdef SLAPD_RLOOKUPS
1479 char hbuf[NI_MAXHOST];
1482 char *dnsname = NULL;
1483 char *peeraddr = NULL;
1484 #ifdef LDAP_PF_LOCAL
1485 char peername[MAXPATHLEN + sizeof("PATH=")];
1486 #elif defined(LDAP_PF_INET6)
1487 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1489 char peername[sizeof("IP=255.255.255.255:65336")];
1490 #endif /* LDAP_PF_LOCAL */
1494 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1497 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1500 #ifdef LDAP_CONNECTIONLESS
1501 if ( slap_listeners[l]->sl_is_udp ) {
1502 /* The first time we receive a query, we set this
1503 * up as a "connection". It remains open for the life
1506 if ( slap_listeners[l]->sl_is_udp < 2 ) {
1507 id = connection_init(
1508 slap_listeners[l]->sl_sd,
1509 slap_listeners[l], "", "",
1510 CONN_IS_UDP, ssf, authid );
1511 slap_listeners[l]->sl_is_udp++;
1517 /* Don't need to look at this in the data loops */
1518 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1519 FD_CLR( slap_listeners[l]->sl_sd, &writefds );
1521 s = accept( slap_listeners[l]->sl_sd,
1522 (struct sockaddr *) &from, &len );
1523 if ( s == AC_SOCKET_INVALID ) {
1524 int err = sock_errno();
1535 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1537 /* Stop listening until an existing session closes */
1538 slap_listeners[l]->sl_is_mute = 1;
1539 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1543 LDAP_LOG( CONNECTION, ERR,
1544 "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n",
1545 (long)slap_listeners[l]->sl_sd,
1546 err, sock_errstr(err) );
1548 Debug( LDAP_DEBUG_ANY,
1549 "daemon: accept(%ld) failed errno=%d (%s)\n",
1550 (long) slap_listeners[l]->sl_sd, err,
1553 ldap_pvt_thread_yield();
1557 #ifndef HAVE_WINSOCK
1558 /* make sure descriptor number isn't too great */
1559 if ( s >= dtblsize ) {
1561 LDAP_LOG( CONNECTION, ERR,
1562 "slapd_daemon_task: %ld beyond descriptor table size %ld\n",
1563 (long)s, (long)dtblsize, 0 );
1565 Debug( LDAP_DEBUG_ANY,
1566 "daemon: %ld beyond descriptor table size %ld\n",
1567 (long) s, (long) dtblsize, 0 );
1571 ldap_pvt_thread_yield();
1577 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1579 /* newly accepted stream should not be in any of the FD SETS */
1580 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1581 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1582 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1584 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1587 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1588 #ifdef LDAP_PF_LOCAL
1589 /* for IPv4 and IPv6 sockets only */
1590 if ( from.sa_addr.sa_family != AF_LOCAL )
1591 #endif /* LDAP_PF_LOCAL */
1596 /* enable keep alives */
1598 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
1599 (char *) &tmp, sizeof(tmp) );
1600 if ( rc == AC_SOCKET_ERROR ) {
1601 int err = sock_errno();
1603 LDAP_LOG( CONNECTION, ERR,
1604 "slapd_daemon_task: setsockopt( %ld, SO_KEEPALIVE)"
1605 " failed errno=%d (%s)\n",
1606 (long)s, err, sock_errstr(err) );
1608 Debug( LDAP_DEBUG_ANY,
1609 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1610 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1615 /* enable no delay */
1617 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1618 (char *)&tmp, sizeof(tmp) );
1619 if ( rc == AC_SOCKET_ERROR ) {
1620 int err = sock_errno();
1622 LDAP_LOG( CONNECTION, ERR,
1623 "slapd_daemon_task: setsockopt( %ld, "
1624 "TCP_NODELAY) failed errno=%d (%s)\n",
1625 (long)s, err, sock_errstr(err) );
1627 Debug( LDAP_DEBUG_ANY,
1628 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1629 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1637 LDAP_LOG( CONNECTION, DETAIL1,
1638 "slapd_daemon_task: new connection on %ld\n", (long)s, 0, 0 );
1640 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1643 switch ( from.sa_addr.sa_family ) {
1644 # ifdef LDAP_PF_LOCAL
1646 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1647 ssf = LDAP_PVT_SASL_LOCAL_SSF;
1652 if( getpeereid( s, &uid, &gid ) == 0 ) {
1654 sizeof("uidnumber=4294967295+gidnumber=4294967295,"
1655 "cn=peercred,cn=external,cn=auth"));
1656 sprintf(authid, "uidnumber=%d+gidnumber=%d,"
1657 "cn=peercred,cn=external,cn=auth",
1658 (int) uid, (int) gid);
1663 #endif /* LDAP_PF_LOCAL */
1665 # ifdef LDAP_PF_INET6
1667 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1668 peeraddr = inet_ntoa( *((struct in_addr *)
1669 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1670 sprintf( peername, "IP=%s:%d",
1671 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1672 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1674 char addr[INET6_ADDRSTRLEN];
1676 peeraddr = (char *) inet_ntop( AF_INET6,
1677 &from.sa_in6_addr.sin6_addr,
1678 addr, sizeof addr );
1679 sprintf( peername, "IP=%s %d",
1680 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1681 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1684 # endif /* LDAP_PF_INET6 */
1687 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1688 sprintf( peername, "IP=%s:%d",
1689 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1690 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1698 if ( ( from.sa_addr.sa_family == AF_INET )
1699 #ifdef LDAP_PF_INET6
1700 || ( from.sa_addr.sa_family == AF_INET6 )
1703 #ifdef SLAPD_RLOOKUPS
1704 if ( use_reverse_lookup ) {
1706 if (ldap_pvt_get_hname( (const struct sockaddr *)&from, len, hbuf,
1707 sizeof(hbuf), &herr ) == 0) {
1708 ldap_pvt_str2lower( hbuf );
1714 #endif /* SLAPD_RLOOKUPS */
1717 if ( !hosts_ctl("slapd",
1718 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1719 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1720 SLAP_STRING_UNKNOWN ))
1723 Statslog( LDAP_DEBUG_STATS,
1724 "fd=%ld DENIED from %s (%s)\n",
1726 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1727 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1732 #endif /* HAVE_TCPD */
1735 id = connection_init(s,
1737 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1740 slap_listeners[l]->sl_is_tls ? CONN_IS_TLS : 0,
1747 if( authid ) ch_free(authid);
1751 LDAP_LOG( CONNECTION, INFO,
1752 "slapd_daemon_task: "
1753 "connection_init(%ld, %s, %s) "
1756 slap_listeners[l]->sl_name.bv_val );
1758 Debug( LDAP_DEBUG_ANY,
1759 "daemon: connection_init(%ld, %s, %s) "
1763 slap_listeners[l]->sl_name.bv_val );
1769 Statslog( LDAP_DEBUG_STATS,
1770 "conn=%ld fd=%ld ACCEPT from %s (%s)\n",
1773 slap_listeners[l]->sl_name.bv_val,
1782 LDAP_LOG( CONNECTION, DETAIL2,
1783 "slapd_daemon_task: activity on ", 0, 0, 0 );
1785 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1788 for ( i = 0; i < readfds.fd_count; i++ ) {
1790 LDAP_LOG( CONNECTION, DETAIL2,
1791 " %d%s", readfds.fd_array[i], "r", 0, 0 );
1793 Debug( LDAP_DEBUG_CONNS, " %d%s",
1794 readfds.fd_array[i], "r", 0 );
1797 for ( i = 0; i < writefds.fd_count; i++ ) {
1799 LDAP_LOG( CONNECTION, DETAIL2,
1800 " %d%s", writefds.fd_array[i], "w" , 0 );
1802 Debug( LDAP_DEBUG_CONNS, " %d%s",
1803 writefds.fd_array[i], "w", 0 );
1808 for ( i = 0; i < nfds; i++ ) {
1811 r = FD_ISSET( i, &readfds );
1812 w = FD_ISSET( i, &writefds );
1815 LDAP_LOG( CONNECTION, DETAIL2,
1816 " %d%s%s", i, r ? "r" : "", w ? "w" : "" );
1818 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1819 r ? "r" : "", w ? "w" : "" );
1825 LDAP_LOG( CONNECTION, DETAIL2, "\n", 0, 0, 0 );
1827 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1832 /* loop through the writers */
1834 for ( i = 0; i < writefds.fd_count; i++ )
1836 for ( i = 0; i < nfds; i++ )
1841 wd = writefds.fd_array[i];
1843 if( ! FD_ISSET( i, &writefds ) ) {
1850 LDAP_LOG( CONNECTION, DETAIL2,
1851 "slapd_daemon_task: write active on %d\n", wd, 0, 0 );
1853 Debug( LDAP_DEBUG_CONNS,
1854 "daemon: write active on %d\n",
1858 * NOTE: it is possible that the connection was closed
1859 * and that the stream is now inactive.
1860 * connection_write() must valid the stream is still
1864 if ( connection_write( wd ) < 0 ) {
1865 FD_CLR( (unsigned) wd, &readfds );
1871 for ( i = 0; i < readfds.fd_count; i++ )
1873 for ( i = 0; i < nfds; i++ )
1878 rd = readfds.fd_array[i];
1880 if( ! FD_ISSET( i, &readfds ) ) {
1887 LDAP_LOG( CONNECTION, DETAIL2,
1888 "slapd_daemon_task: read activity on %d\n", rd, 0, 0 );
1890 Debug ( LDAP_DEBUG_CONNS,
1891 "daemon: read activity on %d\n", rd, 0, 0 );
1894 * NOTE: it is possible that the connection was closed
1895 * and that the stream is now inactive.
1896 * connection_read() must valid the stream is still
1900 if ( connection_read( rd ) < 0 ) {
1904 ldap_pvt_thread_yield();
1907 if( slapd_shutdown == 1 ) {
1909 LDAP_LOG( CONNECTION, CRIT,
1910 "slapd_daemon_task: shutdown requested and initiated.\n", 0, 0, 0 );
1912 Debug( LDAP_DEBUG_TRACE,
1913 "daemon: shutdown requested and initiated.\n",
1917 } else if ( slapd_shutdown == 2 ) {
1918 #ifdef HAVE_NT_SERVICE_MANAGER
1920 LDAP_LOG( CONNECTION, CRIT,
1921 "slapd_daemon_task: shutdown initiated by Service Manager.\n",
1924 Debug( LDAP_DEBUG_TRACE,
1925 "daemon: shutdown initiated by Service Manager.\n",
1928 #else /* !HAVE_NT_SERVICE_MANAGER */
1930 LDAP_LOG( CONNECTION, CRIT,
1931 "slapd_daemon_task: abnormal condition, "
1932 "shutdown initiated.\n", 0, 0, 0 );
1934 Debug( LDAP_DEBUG_TRACE,
1935 "daemon: abnormal condition, shutdown initiated.\n",
1938 #endif /* !HAVE_NT_SERVICE_MANAGER */
1941 LDAP_LOG( CONNECTION, CRIT,
1942 "slapd_daemon_task: no active streams, shutdown initiated.\n",
1945 Debug( LDAP_DEBUG_TRACE,
1946 "daemon: no active streams, shutdown initiated.\n",
1951 if( slapd_gentle_shutdown != 2 ) {
1952 close_listeners ( 0 );
1955 free ( slap_listeners );
1956 slap_listeners = NULL;
1958 if( !slapd_gentle_shutdown ) {
1959 slapd_abrupt_shutdown = 1;
1960 connections_shutdown();
1964 LDAP_LOG( CONNECTION, CRIT,
1965 "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n",
1966 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1968 Debug( LDAP_DEBUG_ANY,
1969 "slapd shutdown: waiting for %d threads to terminate\n",
1970 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1972 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1978 int slapd_daemon( void )
1984 #define SLAPD_LISTENER_THREAD 1
1985 #if defined( SLAPD_LISTENER_THREAD )
1987 ldap_pvt_thread_t listener_tid;
1989 /* listener as a separate THREAD */
1990 rc = ldap_pvt_thread_create( &listener_tid,
1991 0, slapd_daemon_task, NULL );
1995 LDAP_LOG( CONNECTION, ERR,
1996 "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n",
1999 Debug( LDAP_DEBUG_ANY,
2000 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
2005 /* wait for the listener thread to complete */
2006 ldap_pvt_thread_join( listener_tid, (void *) NULL );
2009 /* experimental code */
2010 slapd_daemon_task( NULL );
2019 #if defined( HAVE_WINSOCK2 )
2020 WORD wVersionRequested;
2024 wVersionRequested = MAKEWORD( 2, 0 );
2026 err = WSAStartup( wVersionRequested, &wsaData );
2028 /* Tell the user that we couldn't find a usable */
2033 /* Confirm that the WinSock DLL supports 2.0.*/
2034 /* Note that if the DLL supports versions greater */
2035 /* than 2.0 in addition to 2.0, it will still return */
2036 /* 2.0 in wVersion since that is the version we */
2039 if ( LOBYTE( wsaData.wVersion ) != 2 ||
2040 HIBYTE( wsaData.wVersion ) != 0 )
2042 /* Tell the user that we couldn't find a usable */
2048 /* The WinSock DLL is acceptable. Proceed. */
2049 #elif defined( HAVE_WINSOCK )
2051 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
2058 int sockdestroy(void)
2060 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
2067 slap_sig_shutdown( int sig )
2071 LDAP_LOG( CONNECTION, CRIT,
2072 "slap_sig_shutdown: signal %d\n", sig, 0, 0 );
2074 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
2079 * If the NT Service Manager is controlling the server, we don't
2080 * want SIGBREAK to kill the server. For some strange reason,
2081 * SIGBREAK is generated when a user logs out.
2084 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
2085 if (is_NT_Service && sig == SIGBREAK)
2090 if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
2091 slapd_gentle_shutdown = 1;
2098 /* reinstall self */
2099 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
2103 slap_sig_wake( int sig )
2107 /* reinstall self */
2108 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
2112 void slapd_add_internal(ber_socket_t s, int isactive) {
2113 slapd_add(s, isactive);
2116 Listener ** slapd_get_listeners(void) {
2117 return slap_listeners;