2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1998-2003 The OpenLDAP Foundation.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted only as authorized by the OpenLDAP
11 * A copy of this license is available in the file LICENSE in the
12 * top-level directory of the distribution or, alternatively, at
13 * <http://www.OpenLDAP.org/license.html>.
15 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
16 * All rights reserved.
18 * Redistribution and use in source and binary forms are permitted
19 * provided that this notice is preserved and that due credit is given
20 * to the University of Michigan at Ann Arbor. The name of the University
21 * may not be used to endorse or promote products derived from this
22 * software without specific prior written permission. This software
23 * is provided ``as is'' without express or implied warranty.
32 #include <ac/socket.h>
33 #include <ac/string.h>
35 #include <ac/unistd.h>
38 #include "ldap_pvt_thread.h"
46 #define SLAP_STRING_UNKNOWN STRING_UNKNOWN
48 int allow_severity = LOG_INFO;
49 int deny_severity = LOG_NOTICE;
50 #else /* ! TCP Wrappers */
51 #define SLAP_STRING_UNKNOWN "unknown"
52 #endif /* ! TCP Wrappers */
56 /* this should go in <ldap.h> as soon as it is accepted */
57 #define LDAPI_MOD_URLEXT "x-mod"
58 #endif /* LDAP_PF_LOCAL */
61 int slap_inet4or6 = AF_UNSPEC;
63 int slap_inet4or6 = AF_INET;
68 ber_socket_t dtblsize;
70 Listener **slap_listeners = NULL;
72 #define SLAPD_LISTEN 10
74 static ber_socket_t wake_sds[2];
77 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
79 #define WAKE_LISTENER(w) \
80 ((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
82 #define WAKE_LISTENER(w) \
83 do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
89 volatile sig_atomic_t slapd_shutdown = 0, slapd_gentle_shutdown = 0;
90 volatile sig_atomic_t slapd_abrupt_shutdown = 0;
92 static struct slap_daemon {
93 ldap_pvt_thread_mutex_t sd_mutex;
95 ber_socket_t sd_nactives;
98 /* In winsock, accept() returns values higher than dtblsize
99 so don't bother with this optimization */
112 * SLP related functions
116 #define LDAP_SRVTYPE_PREFIX "service:ldap://"
117 #define LDAPS_SRVTYPE_PREFIX "service:ldaps://"
118 static char** slapd_srvurls = NULL;
119 static SLPHandle slapd_hslp = 0;
121 void slapd_slp_init( const char* urls ) {
124 slapd_srvurls = ldap_str2charray( urls, " " );
126 if( slapd_srvurls == NULL ) return;
128 /* find and expand INADDR_ANY URLs */
129 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
130 if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) {
131 char *host = ldap_pvt_get_fqdn( NULL );
132 if ( host != NULL ) {
133 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
135 sizeof( LDAP_SRVTYPE_PREFIX ) );
136 strcpy( lutil_strcopy(slapd_srvurls[i],
137 LDAP_SRVTYPE_PREFIX ), host );
142 } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) {
143 char *host = ldap_pvt_get_fqdn( NULL );
144 if ( host != NULL ) {
145 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
147 sizeof( LDAPS_SRVTYPE_PREFIX ) );
148 strcpy( lutil_strcopy(slapd_srvurls[i],
149 LDAPS_SRVTYPE_PREFIX ), host );
156 /* open the SLP handle */
157 SLPOpen( "en", 0, &slapd_hslp );
160 void slapd_slp_deinit() {
161 if( slapd_srvurls == NULL ) return;
163 ldap_charray_free( slapd_srvurls );
164 slapd_srvurls = NULL;
166 /* close the SLP handle */
167 SLPClose( slapd_hslp );
170 void slapd_slp_regreport(
178 void slapd_slp_reg() {
181 if( slapd_srvurls == NULL ) return;
183 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
184 if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
185 sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
186 strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
187 sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
191 SLP_LIFETIME_MAXIMUM,
201 void slapd_slp_dereg() {
204 if( slapd_srvurls == NULL ) return;
206 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
207 SLPDereg( slapd_hslp,
213 #endif /* HAVE_SLP */
216 * Add a descriptor to daemon control
218 * If isactive, the descriptor is a live server session and is subject
219 * to idletimeout control. Otherwise, the descriptor is a passive
220 * listener or an outbound client session, and not subject to
223 static void slapd_add(ber_socket_t s, int isactive) {
224 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
226 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
227 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
228 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
231 if (s >= slap_daemon.sd_nfds) {
232 slap_daemon.sd_nfds = s + 1;
237 slap_daemon.sd_nactives++;
240 FD_SET( s, &slap_daemon.sd_actives );
241 FD_SET( s, &slap_daemon.sd_readers );
244 LDAP_LOG( CONNECTION, DETAIL1,
245 "slapd_add: added %ld%s%s\n", (long)s,
246 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
247 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
249 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
251 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
252 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
254 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
258 * Remove the descriptor from daemon control
260 void slapd_remove(ber_socket_t s, int wasactive, int wake) {
261 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
264 slap_daemon.sd_nactives--;
268 LDAP_LOG( CONNECTION, DETAIL1,
269 "slapd_remove: removing %ld%s%s\n", (long) s,
270 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
271 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
273 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
275 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
276 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
278 FD_CLR( s, &slap_daemon.sd_actives );
279 FD_CLR( s, &slap_daemon.sd_readers );
280 FD_CLR( s, &slap_daemon.sd_writers );
282 /* If we ran out of file descriptors, we dropped a listener from
283 * the select() loop. Now that we're removing a session from our
284 * control, we can try to resume a dropped listener to use.
288 for ( i = 0; slap_listeners[i] != NULL; i++ ) {
289 if ( slap_listeners[i]->sl_sd != AC_SOCKET_INVALID ) {
290 if ( slap_listeners[i]->sl_sd == s ) continue;
291 if ( slap_listeners[i]->sl_is_mute ) {
292 slap_listeners[i]->sl_is_mute = 0;
298 /* Walked the entire list without enabling anything; emfile
299 * counter is stale. Reset it.
301 if ( slap_listeners[i] == NULL )
304 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
305 WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
308 void slapd_clr_write(ber_socket_t s, int wake) {
309 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
311 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
312 FD_CLR( s, &slap_daemon.sd_writers );
314 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
318 void slapd_set_write(ber_socket_t s, int wake) {
319 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
321 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
322 if (!FD_ISSET(s, &slap_daemon.sd_writers))
323 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
325 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
329 void slapd_clr_read(ber_socket_t s, int wake) {
330 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
332 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
333 FD_CLR( s, &slap_daemon.sd_readers );
335 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
339 void slapd_set_read(ber_socket_t s, int wake) {
340 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
342 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
343 if (!FD_ISSET(s, &slap_daemon.sd_readers))
344 FD_SET( s, &slap_daemon.sd_readers );
346 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
350 static void slapd_close(ber_socket_t s) {
352 LDAP_LOG( CONNECTION, DETAIL1, "slapd_close: closing %ld\n", (long)s, 0, 0);
354 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
360 static void slap_free_listener_addresses(struct sockaddr **sal)
362 struct sockaddr **sap;
368 for (sap = sal; *sap != NULL; sap++) {
375 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
376 static int get_url_perms(
388 for ( i = 0; exts[ i ]; i++ ) {
389 char *type = exts[ i ];
392 if ( type[ 0 ] == '!' ) {
397 if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
399 + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
403 switch (strlen(value)) {
405 /* skip leading '0' */
406 if ( value[ 0 ] != '0' ) {
412 for ( j = 0; j < 3; j++) {
415 v = value[ j ] - '0';
417 if ( v < 0 || v > 7 ) {
426 for ( j = 1; j < 10; j++ ) {
427 static mode_t m[] = { 0,
428 S_IRUSR, S_IWUSR, S_IXUSR,
429 S_IRGRP, S_IWGRP, S_IXGRP,
430 S_IROTH, S_IWOTH, S_IXOTH
432 static char c[] = "-rwxrwxrwx";
434 if ( value[ j ] == c[ j ] ) {
437 } else if ( value[ j ] != '-' ) {
456 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
458 /* port = 0 indicates AF_LOCAL */
459 static int slap_get_listener_addresses(
462 struct sockaddr ***sal)
464 struct sockaddr **sap;
468 *sal = ch_malloc(2 * sizeof(void *));
474 *sap = ch_malloc(sizeof(struct sockaddr_un));
480 (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
482 LDAP_LOG( CONNECTION, INFO,
483 "slap_get_listener_addresses: domain socket path (%s) "
484 "too long in URL\n", host, 0, 0 );
486 Debug( LDAP_DEBUG_ANY,
487 "daemon: domain socket path (%s) too long in URL",
493 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
494 (*sap)->sa_family = AF_LOCAL;
495 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
499 #ifdef HAVE_GETADDRINFO
500 struct addrinfo hints, *res, *sai;
504 memset( &hints, '\0', sizeof(hints) );
505 hints.ai_flags = AI_PASSIVE;
506 hints.ai_socktype = SOCK_STREAM;
507 hints.ai_family = slap_inet4or6;
508 snprintf(serv, sizeof serv, "%d", port);
510 if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
512 LDAP_LOG( CONNECTION, INFO,
513 "slap_get_listener_addresses: getaddrinfo failed: %s\n",
514 AC_GAI_STRERROR(err), 0, 0 );
516 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
517 AC_GAI_STRERROR(err), 0, 0);
523 for (n=2; (sai = sai->ai_next) != NULL; n++) {
526 *sal = ch_calloc(n, sizeof(void *));
534 for ( sai=res; sai; sai=sai->ai_next ) {
535 if( sai->ai_addr == NULL ) {
537 LDAP_LOG( CONNECTION, INFO,
538 "slap_get_listener_addresses: "
539 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
541 Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
542 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
548 switch (sai->ai_family) {
549 # ifdef LDAP_PF_INET6
551 *sap = ch_malloc(sizeof(struct sockaddr_in6));
556 *(struct sockaddr_in6 *)*sap =
557 *((struct sockaddr_in6 *)sai->ai_addr);
561 *sap = ch_malloc(sizeof(struct sockaddr_in));
566 *(struct sockaddr_in *)*sap =
567 *((struct sockaddr_in *)sai->ai_addr);
575 (*sap)->sa_family = sai->ai_family;
585 struct hostent *he = NULL;
587 if ( host == NULL ) {
588 in.s_addr = htonl(INADDR_ANY);
590 } else if ( !inet_aton( host, &in ) ) {
591 he = gethostbyname( host );
594 LDAP_LOG( CONNECTION, INFO,
595 "slap_get_listener_addresses: invalid host %s\n", host, 0, 0 );
597 Debug( LDAP_DEBUG_ANY,
598 "daemon: invalid host %s", host, 0, 0);
602 for (n = 0; he->h_addr_list[n]; n++) ;
605 *sal = ch_malloc((n+1) * sizeof(void *));
611 for ( i = 0; i<n; i++ ) {
612 sap[i] = ch_malloc(sizeof(struct sockaddr_in));
616 (void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
617 sap[i]->sa_family = AF_INET;
618 ((struct sockaddr_in *)sap[i])->sin_port = htons(port);
620 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
622 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
632 slap_free_listener_addresses(*sal);
636 static int slap_open_listener(
647 int err, addrlen = 0;
648 struct sockaddr **sal, **psal;
649 int socktype = SOCK_STREAM; /* default to COTS */
651 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
656 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
658 rc = ldap_url_parse( url, &lud );
660 if( rc != LDAP_URL_SUCCESS ) {
662 LDAP_LOG( CONNECTION, ERR,
663 "slap_open_listener: listen URL \"%s\" parse error %d\n",
666 Debug( LDAP_DEBUG_ANY,
667 "daemon: listen URL \"%s\" parse error=%d\n",
673 l.sl_url.bv_val = NULL;
677 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
679 LDAP_LOG( CONNECTION, INFO,
680 "slap_open_listener: TLS is not supported (%s)\n", url, 0, 0 );
682 Debug( LDAP_DEBUG_ANY,
683 "daemon: TLS not supported (%s)\n",
686 ldap_free_urldesc( lud );
690 if(! lud->lud_port ) {
691 lud->lud_port = LDAP_PORT;
695 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
697 if(! lud->lud_port ) {
698 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
702 port = (unsigned short) lud->lud_port;
704 tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
705 if ( tmp == LDAP_PROTO_IPC ) {
707 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
708 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
710 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
715 LDAP_LOG( CONNECTION, INFO,
716 "slap_open_listener: URL scheme is not supported: %s\n", url, 0, 0 );
718 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
721 ldap_free_urldesc( lud );
725 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
726 || strcmp(lud->lud_host, "*") == 0 )
728 err = slap_get_listener_addresses(NULL, port, &sal);
730 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
733 #ifdef LDAP_CONNECTIONLESS
734 l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
737 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
738 if ( lud->lud_exts ) {
739 err = get_url_perms( lud->lud_exts, &l.sl_perms, &crit );
741 l.sl_perms = S_IRWXU | S_IRWXO;
743 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
745 ldap_free_urldesc( lud );
750 /* If we got more than one address returned, we need to make space
751 * for it in the slap_listeners array.
753 for ( num=0; sal[num]; num++ );
756 slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
760 while ( *sal != NULL ) {
762 switch( (*sal)->sa_family ) {
780 #ifdef LDAP_CONNECTIONLESS
781 if( l.sl_is_udp ) socktype = SOCK_DGRAM;
783 l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
784 if ( l.sl_sd == AC_SOCKET_INVALID ) {
785 int err = sock_errno();
787 LDAP_LOG( CONNECTION, ERR,
788 "slap_open_listener: %s socket() failed errno=%d (%s)\n",
789 af, err, sock_errstr(err) );
791 Debug( LDAP_DEBUG_ANY,
792 "daemon: %s socket() failed errno=%d (%s)\n",
793 af, err, sock_errstr(err) );
799 if ( l.sl_sd >= dtblsize ) {
801 LDAP_LOG( CONNECTION, ERR,
802 "slap_open_listener: listener descriptor %ld is too "
803 "great %ld\n", (long)l.sl_sd, (long)dtblsize, 0 );
805 Debug( LDAP_DEBUG_ANY,
806 "daemon: listener descriptor %ld is too great %ld\n",
807 (long) l.sl_sd, (long) dtblsize, 0 );
809 tcp_close( l.sl_sd );
815 if ( (*sal)->sa_family == AF_LOCAL ) {
816 unlink ( ((struct sockaddr_un *)*sal)->sun_path );
821 /* enable address reuse */
823 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
824 (char *) &tmp, sizeof(tmp) );
825 if ( rc == AC_SOCKET_ERROR ) {
826 int err = sock_errno();
828 LDAP_LOG( CONNECTION, INFO,
829 "slap_open_listener: setsockopt( %ld, SO_REUSEADDR ) "
830 "failed errno %d (%s)\n", (long)l.sl_sd, err,
833 Debug( LDAP_DEBUG_ANY,
834 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
835 (long) l.sl_sd, err, sock_errstr(err) );
841 switch( (*sal)->sa_family ) {
843 addrlen = sizeof(struct sockaddr_in);
848 /* Try to use IPv6 sockets for IPv6 only */
850 rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
851 (char *) &tmp, sizeof(tmp) );
852 if ( rc == AC_SOCKET_ERROR ) {
853 int err = sock_errno();
855 LDAP_LOG( CONNECTION, INFO,
856 "slap_open_listener: setsockopt( %ld, IPV6_V6ONLY ) failed errno %d (%s)\n",
857 (long)l.sl_sd, err, sock_errstr(err) );
859 Debug( LDAP_DEBUG_ANY,
860 "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
861 (long) l.sl_sd, err, sock_errstr(err) );
865 addrlen = sizeof(struct sockaddr_in6);
870 addrlen = sizeof(struct sockaddr_un);
875 if (bind(l.sl_sd, *sal, addrlen)) {
878 LDAP_LOG( CONNECTION, INFO,
879 "slap_open_listener: bind(%ld) failed errno=%d (%s)\n",
880 (long)l.sl_sd, err, sock_errstr(err) );
882 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
883 (long) l.sl_sd, err, sock_errstr(err) );
885 tcp_close( l.sl_sd );
890 switch ( (*sal)->sa_family ) {
893 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
894 #if 0 /* don't muck with socket perms */
895 if ( chmod( addr, l.sl_perms ) < 0 && crit ) {
896 int err = sock_errno();
898 LDAP_LOG( CONNECTION, INFO,
899 "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n",
900 (long)l.sl_sd, err, sock_errstr(err) );
902 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
903 (long) l.sl_sd, err, sock_errstr(err) );
905 tcp_close( l.sl_sd );
906 slap_free_listener_addresses(psal);
910 l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
911 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
912 snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
915 #endif /* LDAP_PF_LOCAL */
919 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
920 char addr[INET_ADDRSTRLEN];
921 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
922 addr, sizeof(addr) );
925 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
927 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
928 l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
929 snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
931 s != NULL ? s : SLAP_STRING_UNKNOWN, port );
932 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
937 char addr[INET6_ADDRSTRLEN];
938 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
940 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
941 l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
942 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
943 snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
945 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
947 #endif /* LDAP_PF_INET6 */
951 LDAP_LOG( CONNECTION, INFO,
952 "slap_open_listener: unsupported address family (%d)\n",
953 (int)(*sal)->sa_family, 0, 0 );
955 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
956 (int) (*sal)->sa_family, 0, 0 );
961 AC_MEMCPY(&l.sl_sa, *sal, addrlen);
962 ber_str2bv( url, 0, 1, &l.sl_url);
963 li = ch_malloc( sizeof( Listener ) );
965 slap_listeners[*cur] = li;
969 } /* while ( *sal != NULL ) */
971 slap_free_listener_addresses(psal);
973 if ( l.sl_url.bv_val == NULL )
976 LDAP_LOG( CONNECTION, RESULTS,
977 "slap_open_listener: failed on %s\n", url, 0, 0 );
979 Debug( LDAP_DEBUG_TRACE,
980 "slap_open_listener: failed on %s\n", url, 0, 0 );
986 LDAP_LOG( CONNECTION, RESULTS,
987 "slap_open_listener: daemon initialized %s\n",
988 l.sl_url.bv_val, 0, 0 );
990 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
991 l.sl_url.bv_val, 0, 0 );
996 static int sockinit(void);
997 static int sockdestroy(void);
999 int slapd_daemon_init( const char *urls )
1005 LDAP_LOG( CONNECTION, ARGS,
1006 "slapd_daemon_init: %s\n", urls ? urls : "<null>", 0, 0 );
1008 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
1009 urls ? urls : "<null>", 0, 0 );
1011 if( (rc = sockinit()) != 0 ) {
1016 dtblsize = sysconf( _SC_OPEN_MAX );
1017 #elif HAVE_GETDTABLESIZE
1018 dtblsize = getdtablesize();
1020 dtblsize = FD_SETSIZE;
1024 if(dtblsize > FD_SETSIZE) {
1025 dtblsize = FD_SETSIZE;
1027 #endif /* !FD_SETSIZE */
1029 /* open a pipe (or something equivalent connected to itself).
1030 * we write a byte on this fd whenever we catch a signal. The main
1031 * loop will be select'ing on this socket, and will wake up when
1032 * this byte arrives.
1034 if( (rc = lutil_pair( wake_sds )) < 0 ) {
1036 LDAP_LOG( CONNECTION, ERR,
1037 "slap_daemon_init: lutil_pair() failed rc=%d\n", rc, 0, 0);
1039 Debug( LDAP_DEBUG_ANY,
1040 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
1045 FD_ZERO( &slap_daemon.sd_readers );
1046 FD_ZERO( &slap_daemon.sd_writers );
1048 if( urls == NULL ) {
1052 u = ldap_str2charray( urls, " " );
1054 if( u == NULL || u[0] == NULL ) {
1056 LDAP_LOG( CONNECTION, ERR,
1057 "slap_daemon_init: no urls (%s) provided.\n", urls, 0, 0 );
1059 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
1065 for( i=0; u[i] != NULL; i++ ) {
1067 LDAP_LOG( CONNECTION, DETAIL1,
1068 "slap_daemon_init: listen on %s\n", u[i], 0, 0 );
1070 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
1077 LDAP_LOG( CONNECTION, INFO,
1078 "slap_daemon_init: no listeners to open (%s)\n", urls, 0, 0 );
1080 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
1083 ldap_charray_free( u );
1088 LDAP_LOG( CONNECTION, INFO,
1089 "slap_daemon_init: %d listeners to open...\n", i, 0, 0 );
1091 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
1094 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
1096 for(n = 0, j = 0; u[n]; n++ ) {
1097 if ( slap_open_listener( u[n], &i, &j ) ) {
1098 ldap_charray_free( u );
1102 slap_listeners[j] = NULL;
1105 LDAP_LOG( CONNECTION, DETAIL1,
1106 "slap_daemon_init: %d listeners opened\n", i, 0, 0 );
1108 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
1113 slapd_slp_init( urls );
1117 ldap_charray_free( u );
1118 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
1124 slapd_daemon_destroy(void)
1126 connections_destroy();
1127 tcp_close( wake_sds[1] );
1128 tcp_close( wake_sds[0] );
1147 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1148 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1150 slapd_remove( slap_listeners[l]->sl_sd, 0, 0 );
1151 #ifdef LDAP_PF_LOCAL
1152 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1153 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1155 #endif /* LDAP_PF_LOCAL */
1156 slapd_close( slap_listeners[l]->sl_sd );
1158 if ( slap_listeners[l]->sl_url.bv_val )
1159 ber_memfree( slap_listeners[l]->sl_url.bv_val );
1160 if ( slap_listeners[l]->sl_name.bv_val )
1161 ber_memfree( slap_listeners[l]->sl_name.bv_val );
1162 free ( slap_listeners[l] );
1163 slap_listeners[l] = NULL;
1174 time_t last_idle_check = 0;
1175 struct timeval idle;
1177 #define SLAPD_IDLE_CHECK_LIMIT 4
1179 if ( global_idletimeout > 0 ) {
1180 last_idle_check = slap_get_time();
1181 /* Set the select timeout.
1182 * Don't just truncate, preserve the fractions of
1183 * seconds to prevent sleeping for zero time.
1185 idle.tv_sec = global_idletimeout/SLAPD_IDLE_CHECK_LIMIT;
1186 idle.tv_usec = global_idletimeout - idle.tv_sec * SLAPD_IDLE_CHECK_LIMIT;
1187 idle.tv_usec *= 1000000 / SLAPD_IDLE_CHECK_LIMIT;
1193 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1194 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1196 #ifdef LDAP_CONNECTIONLESS
1197 /* Since this is connectionless, the data port is the
1198 * listening port. The listen() and accept() calls
1201 if ( slap_listeners[l]->sl_is_udp ) {
1202 slapd_add( slap_listeners[l]->sl_sd, 1 );
1207 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1208 int err = sock_errno();
1210 #ifdef LDAP_PF_INET6
1211 /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
1212 * we are already listening to in6addr_any, then we want to ignore
1213 * this and continue.
1215 if ( err == EADDRINUSE ) {
1217 struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
1218 struct sockaddr_in6 sa6;
1220 if ( sa.sin_family == AF_INET &&
1221 sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
1222 for ( i = 0 ; i < l; i++ ) {
1223 sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
1224 if ( sa6.sin6_family == AF_INET6 &&
1225 !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
1230 /* We are already listening to in6addr_any */
1232 LDAP_LOG(CONNECTION, WARNING,
1233 "slapd_daemon_task: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n", 0, 0, 0 );
1235 Debug( LDAP_DEBUG_CONNS,
1236 "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
1239 slapd_close( slap_listeners[l]->sl_sd );
1240 slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
1247 LDAP_LOG( CONNECTION, ERR,
1248 "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n",
1249 slap_listeners[l]->sl_url.bv_val, err, sock_errstr(err) );
1251 Debug( LDAP_DEBUG_ANY,
1252 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1253 slap_listeners[l]->sl_url.bv_val, err,
1256 return( (void*)-1 );
1259 slapd_add( slap_listeners[l]->sl_sd, 0 );
1262 #ifdef HAVE_NT_SERVICE_MANAGER
1263 if ( started_event != NULL ) {
1264 ldap_pvt_thread_cond_signal( &started_event );
1267 /* initialization complete. Here comes the loop. */
1269 while ( !slapd_shutdown ) {
1274 #define SLAPD_EBADF_LIMIT 16
1284 struct timeval *tvp;
1286 struct timeval *cat;
1289 now = slap_get_time();
1291 if( ( global_idletimeout > 0 ) &&
1292 difftime( last_idle_check +
1293 global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1294 connections_timeout_idle( now );
1295 last_idle_check = now;
1300 if( slapd_gentle_shutdown ) {
1301 ber_socket_t active;
1303 if( slapd_gentle_shutdown == 1 ) {
1304 Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
1305 close_listeners( 1 );
1306 global_restrictops |= SLAP_RESTRICT_OP_WRITES;
1307 slapd_gentle_shutdown = 2;
1310 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1311 active = slap_daemon.sd_nactives;
1312 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1320 FD_ZERO( &writefds );
1321 FD_ZERO( &readfds );
1325 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1327 #ifdef FD_SET_MANUAL_COPY
1328 for( s = 0; s < nfds; s++ ) {
1329 if(FD_ISSET( &slap_sd_readers, s )) {
1330 FD_SET( s, &readfds );
1332 if(FD_ISSET( &slap_sd_writers, s )) {
1333 FD_SET( s, &writefds );
1337 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1338 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1340 assert(!FD_ISSET(wake_sds[0], &readfds));
1341 FD_SET( wake_sds[0], &readfds );
1343 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1344 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1346 if ( slap_listeners[l]->sl_is_mute )
1347 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1349 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1350 FD_SET( slap_listeners[l]->sl_sd, &readfds );
1353 #ifndef HAVE_WINSOCK
1354 nfds = slap_daemon.sd_nfds;
1358 if ( global_idletimeout && slap_daemon.sd_nactives )
1361 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1364 #if defined(HAVE_YIELDING_SELECT) || defined(NO_THREADS)
1365 && ( tv.tv_sec || tv.tv_usec )
1372 ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
1373 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1374 while ( cat && cat->tv_sec && cat->tv_sec <= now ) {
1375 if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
1376 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, 0 );
1378 ldap_pvt_runqueue_runtask( &syncrepl_rq, rtask );
1379 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, 0 );
1380 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
1381 ldap_pvt_thread_pool_submit( &connection_pool,
1382 rtask->routine, (void *) rtask );
1383 ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
1385 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1387 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
1389 if ( cat != NULL ) {
1390 time_t diff = difftime( cat->tv_sec, now );
1393 if ( tvp == NULL || diff < tv.tv_sec ) {
1400 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1401 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ||
1402 slap_listeners[l]->sl_is_mute )
1406 LDAP_LOG( CONNECTION, DETAIL1,
1407 "slapd_daemon_task: select: listen=%d "
1408 "active_threads=%d tvp=%s\n",
1409 slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" );
1411 Debug( LDAP_DEBUG_CONNS,
1412 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1413 slap_listeners[l]->sl_sd, at,
1414 tvp == NULL ? "NULL" : "zero" );
1418 switch(ns = select( nfds, &readfds,
1420 /* don't pass empty fd_set */
1421 ( writefds.fd_count > 0 ? &writefds : NULL ),
1427 case -1: { /* failure - try again */
1428 int err = sock_errno();
1432 /* you'd think this would be EBADF */
1433 || err == WSAENOTSOCK
1436 if (++ebadf < SLAPD_EBADF_LIMIT)
1440 if( err != EINTR ) {
1442 LDAP_LOG( CONNECTION, INFO,
1443 "slapd_daemon_task: select failed (%d): %s\n",
1444 err, sock_errstr(err), 0 );
1446 Debug( LDAP_DEBUG_CONNS,
1447 "daemon: select failed (%d): %s\n",
1448 err, sock_errstr(err), 0 );
1455 case 0: /* timeout - let threads run */
1458 LDAP_LOG( CONNECTION, DETAIL2,
1459 "slapd_daemon_task: select timeout - yielding\n", 0, 0, 0 );
1461 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1465 ldap_pvt_thread_yield();
1468 default: /* something happened - deal with it */
1469 if( slapd_shutdown ) continue;
1473 LDAP_LOG( CONNECTION, DETAIL2,
1474 "slapd_daemon_task: activity on %d descriptors\n", ns, 0, 0 );
1476 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1482 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1484 tcp_read( wake_sds[0], c, sizeof(c) );
1485 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
1491 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1493 socklen_t len = sizeof(from);
1496 char *authid = NULL;
1497 #ifdef SLAPD_RLOOKUPS
1498 char hbuf[NI_MAXHOST];
1501 char *dnsname = NULL;
1502 char *peeraddr = NULL;
1503 #ifdef LDAP_PF_LOCAL
1504 char peername[MAXPATHLEN + sizeof("PATH=")];
1505 #elif defined(LDAP_PF_INET6)
1506 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1508 char peername[sizeof("IP=255.255.255.255:65336")];
1509 #endif /* LDAP_PF_LOCAL */
1513 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1516 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1519 #ifdef LDAP_CONNECTIONLESS
1520 if ( slap_listeners[l]->sl_is_udp ) {
1521 /* The first time we receive a query, we set this
1522 * up as a "connection". It remains open for the life
1525 if ( slap_listeners[l]->sl_is_udp < 2 ) {
1526 id = connection_init(
1527 slap_listeners[l]->sl_sd,
1528 slap_listeners[l], "", "",
1529 CONN_IS_UDP, ssf, authid );
1530 slap_listeners[l]->sl_is_udp++;
1536 /* Don't need to look at this in the data loops */
1537 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1538 FD_CLR( slap_listeners[l]->sl_sd, &writefds );
1540 s = accept( slap_listeners[l]->sl_sd,
1541 (struct sockaddr *) &from, &len );
1542 if ( s == AC_SOCKET_INVALID ) {
1543 int err = sock_errno();
1554 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1556 /* Stop listening until an existing session closes */
1557 slap_listeners[l]->sl_is_mute = 1;
1558 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1562 LDAP_LOG( CONNECTION, ERR,
1563 "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n",
1564 (long)slap_listeners[l]->sl_sd,
1565 err, sock_errstr(err) );
1567 Debug( LDAP_DEBUG_ANY,
1568 "daemon: accept(%ld) failed errno=%d (%s)\n",
1569 (long) slap_listeners[l]->sl_sd, err,
1572 ldap_pvt_thread_yield();
1576 #ifndef HAVE_WINSOCK
1577 /* make sure descriptor number isn't too great */
1578 if ( s >= dtblsize ) {
1580 LDAP_LOG( CONNECTION, ERR,
1581 "slapd_daemon_task: %ld beyond descriptor table size %ld\n",
1582 (long)s, (long)dtblsize, 0 );
1584 Debug( LDAP_DEBUG_ANY,
1585 "daemon: %ld beyond descriptor table size %ld\n",
1586 (long) s, (long) dtblsize, 0 );
1590 ldap_pvt_thread_yield();
1596 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1598 /* newly accepted stream should not be in any of the FD SETS */
1599 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1600 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1601 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1603 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1606 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1607 #ifdef LDAP_PF_LOCAL
1608 /* for IPv4 and IPv6 sockets only */
1609 if ( from.sa_addr.sa_family != AF_LOCAL )
1610 #endif /* LDAP_PF_LOCAL */
1615 /* enable keep alives */
1617 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
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, SO_KEEPALIVE)"
1624 " failed errno=%d (%s)\n",
1625 (long)s, err, sock_errstr(err) );
1627 Debug( LDAP_DEBUG_ANY,
1628 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1629 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1634 /* enable no delay */
1636 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1637 (char *)&tmp, sizeof(tmp) );
1638 if ( rc == AC_SOCKET_ERROR ) {
1639 int err = sock_errno();
1641 LDAP_LOG( CONNECTION, ERR,
1642 "slapd_daemon_task: setsockopt( %ld, "
1643 "TCP_NODELAY) failed errno=%d (%s)\n",
1644 (long)s, err, sock_errstr(err) );
1646 Debug( LDAP_DEBUG_ANY,
1647 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1648 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1656 LDAP_LOG( CONNECTION, DETAIL1,
1657 "slapd_daemon_task: new connection on %ld\n", (long)s, 0, 0 );
1659 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1662 switch ( from.sa_addr.sa_family ) {
1663 # ifdef LDAP_PF_LOCAL
1665 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1666 ssf = LDAP_PVT_SASL_LOCAL_SSF;
1671 if( getpeereid( s, &uid, &gid ) == 0 ) {
1673 sizeof("uidnumber=4294967295+gidnumber=4294967295,"
1674 "cn=peercred,cn=external,cn=auth"));
1675 sprintf(authid, "uidnumber=%d+gidnumber=%d,"
1676 "cn=peercred,cn=external,cn=auth",
1677 (int) uid, (int) gid);
1682 #endif /* LDAP_PF_LOCAL */
1684 # ifdef LDAP_PF_INET6
1686 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1687 peeraddr = inet_ntoa( *((struct in_addr *)
1688 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1689 sprintf( peername, "IP=%s:%d",
1690 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1691 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1693 char addr[INET6_ADDRSTRLEN];
1695 peeraddr = (char *) inet_ntop( AF_INET6,
1696 &from.sa_in6_addr.sin6_addr,
1697 addr, sizeof addr );
1698 sprintf( peername, "IP=%s %d",
1699 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1700 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1703 # endif /* LDAP_PF_INET6 */
1706 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1707 sprintf( peername, "IP=%s:%d",
1708 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1709 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1717 if ( ( from.sa_addr.sa_family == AF_INET )
1718 #ifdef LDAP_PF_INET6
1719 || ( from.sa_addr.sa_family == AF_INET6 )
1722 #ifdef SLAPD_RLOOKUPS
1723 if ( use_reverse_lookup ) {
1725 if (ldap_pvt_get_hname( (const struct sockaddr *)&from, len, hbuf,
1726 sizeof(hbuf), &herr ) == 0) {
1727 ldap_pvt_str2lower( hbuf );
1733 #endif /* SLAPD_RLOOKUPS */
1736 if ( !hosts_ctl("slapd",
1737 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1738 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1739 SLAP_STRING_UNKNOWN ))
1742 Statslog( LDAP_DEBUG_STATS,
1743 "fd=%ld DENIED from %s (%s)\n",
1745 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1746 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1751 #endif /* HAVE_TCPD */
1754 id = connection_init(s,
1756 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1759 slap_listeners[l]->sl_is_tls ? CONN_IS_TLS : 0,
1766 if( authid ) ch_free(authid);
1770 LDAP_LOG( CONNECTION, INFO,
1771 "slapd_daemon_task: "
1772 "connection_init(%ld, %s, %s) "
1775 slap_listeners[l]->sl_name.bv_val );
1777 Debug( LDAP_DEBUG_ANY,
1778 "daemon: connection_init(%ld, %s, %s) "
1782 slap_listeners[l]->sl_name.bv_val );
1788 Statslog( LDAP_DEBUG_STATS,
1789 "conn=%ld fd=%ld ACCEPT from %s (%s)\n",
1792 slap_listeners[l]->sl_name.bv_val,
1801 LDAP_LOG( CONNECTION, DETAIL2,
1802 "slapd_daemon_task: activity on ", 0, 0, 0 );
1804 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1807 for ( i = 0; i < readfds.fd_count; i++ ) {
1809 LDAP_LOG( CONNECTION, DETAIL2,
1810 " %d%s", readfds.fd_array[i], "r", 0, 0 );
1812 Debug( LDAP_DEBUG_CONNS, " %d%s",
1813 readfds.fd_array[i], "r", 0 );
1816 for ( i = 0; i < writefds.fd_count; i++ ) {
1818 LDAP_LOG( CONNECTION, DETAIL2,
1819 " %d%s", writefds.fd_array[i], "w" , 0 );
1821 Debug( LDAP_DEBUG_CONNS, " %d%s",
1822 writefds.fd_array[i], "w", 0 );
1827 for ( i = 0; i < nfds; i++ ) {
1830 r = FD_ISSET( i, &readfds );
1831 w = FD_ISSET( i, &writefds );
1834 LDAP_LOG( CONNECTION, DETAIL2,
1835 " %d%s%s", i, r ? "r" : "", w ? "w" : "" );
1837 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1838 r ? "r" : "", w ? "w" : "" );
1844 LDAP_LOG( CONNECTION, DETAIL2, "\n", 0, 0, 0 );
1846 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1851 /* loop through the writers */
1853 for ( i = 0; i < writefds.fd_count; i++ )
1855 for ( i = 0; i < nfds; i++ )
1860 wd = writefds.fd_array[i];
1862 if( ! FD_ISSET( i, &writefds ) ) {
1869 LDAP_LOG( CONNECTION, DETAIL2,
1870 "slapd_daemon_task: write active on %d\n", wd, 0, 0 );
1872 Debug( LDAP_DEBUG_CONNS,
1873 "daemon: write active on %d\n",
1877 * NOTE: it is possible that the connection was closed
1878 * and that the stream is now inactive.
1879 * connection_write() must valid the stream is still
1883 if ( connection_write( wd ) < 0 ) {
1884 FD_CLR( (unsigned) wd, &readfds );
1890 for ( i = 0; i < readfds.fd_count; i++ )
1892 for ( i = 0; i < nfds; i++ )
1897 rd = readfds.fd_array[i];
1899 if( ! FD_ISSET( i, &readfds ) ) {
1906 LDAP_LOG( CONNECTION, DETAIL2,
1907 "slapd_daemon_task: read activity on %d\n", rd, 0, 0 );
1909 Debug ( LDAP_DEBUG_CONNS,
1910 "daemon: read activity on %d\n", rd, 0, 0 );
1913 * NOTE: it is possible that the connection was closed
1914 * and that the stream is now inactive.
1915 * connection_read() must valid the stream is still
1919 if ( connection_read( rd ) < 0 ) {
1923 ldap_pvt_thread_yield();
1926 if( slapd_shutdown == 1 ) {
1928 LDAP_LOG( CONNECTION, CRIT,
1929 "slapd_daemon_task: shutdown requested and initiated.\n", 0, 0, 0 );
1931 Debug( LDAP_DEBUG_TRACE,
1932 "daemon: shutdown requested and initiated.\n",
1936 } else if ( slapd_shutdown == 2 ) {
1937 #ifdef HAVE_NT_SERVICE_MANAGER
1939 LDAP_LOG( CONNECTION, CRIT,
1940 "slapd_daemon_task: shutdown initiated by Service Manager.\n",
1943 Debug( LDAP_DEBUG_TRACE,
1944 "daemon: shutdown initiated by Service Manager.\n",
1947 #else /* !HAVE_NT_SERVICE_MANAGER */
1949 LDAP_LOG( CONNECTION, CRIT,
1950 "slapd_daemon_task: abnormal condition, "
1951 "shutdown initiated.\n", 0, 0, 0 );
1953 Debug( LDAP_DEBUG_TRACE,
1954 "daemon: abnormal condition, shutdown initiated.\n",
1957 #endif /* !HAVE_NT_SERVICE_MANAGER */
1960 LDAP_LOG( CONNECTION, CRIT,
1961 "slapd_daemon_task: no active streams, shutdown initiated.\n",
1964 Debug( LDAP_DEBUG_TRACE,
1965 "daemon: no active streams, shutdown initiated.\n",
1970 if( slapd_gentle_shutdown != 2 ) {
1971 close_listeners ( 0 );
1974 free ( slap_listeners );
1975 slap_listeners = NULL;
1977 if( !slapd_gentle_shutdown ) {
1978 slapd_abrupt_shutdown = 1;
1979 connections_shutdown();
1983 LDAP_LOG( CONNECTION, CRIT,
1984 "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n",
1985 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1987 Debug( LDAP_DEBUG_ANY,
1988 "slapd shutdown: waiting for %d threads to terminate\n",
1989 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1991 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1997 int slapd_daemon( void )
2003 #define SLAPD_LISTENER_THREAD 1
2004 #if defined( SLAPD_LISTENER_THREAD )
2006 ldap_pvt_thread_t listener_tid;
2008 /* listener as a separate THREAD */
2009 rc = ldap_pvt_thread_create( &listener_tid,
2010 0, slapd_daemon_task, NULL );
2014 LDAP_LOG( CONNECTION, ERR,
2015 "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n",
2018 Debug( LDAP_DEBUG_ANY,
2019 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
2024 /* wait for the listener thread to complete */
2025 ldap_pvt_thread_join( listener_tid, (void *) NULL );
2028 /* experimental code */
2029 slapd_daemon_task( NULL );
2038 #if defined( HAVE_WINSOCK2 )
2039 WORD wVersionRequested;
2043 wVersionRequested = MAKEWORD( 2, 0 );
2045 err = WSAStartup( wVersionRequested, &wsaData );
2047 /* Tell the user that we couldn't find a usable */
2052 /* Confirm that the WinSock DLL supports 2.0.*/
2053 /* Note that if the DLL supports versions greater */
2054 /* than 2.0 in addition to 2.0, it will still return */
2055 /* 2.0 in wVersion since that is the version we */
2058 if ( LOBYTE( wsaData.wVersion ) != 2 ||
2059 HIBYTE( wsaData.wVersion ) != 0 )
2061 /* Tell the user that we couldn't find a usable */
2067 /* The WinSock DLL is acceptable. Proceed. */
2068 #elif defined( HAVE_WINSOCK )
2070 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
2077 int sockdestroy(void)
2079 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
2086 slap_sig_shutdown( int sig )
2090 LDAP_LOG( CONNECTION, CRIT,
2091 "slap_sig_shutdown: signal %d\n", sig, 0, 0 );
2093 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
2098 * If the NT Service Manager is controlling the server, we don't
2099 * want SIGBREAK to kill the server. For some strange reason,
2100 * SIGBREAK is generated when a user logs out.
2103 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
2104 if (is_NT_Service && sig == SIGBREAK)
2109 if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
2110 slapd_gentle_shutdown = 1;
2117 /* reinstall self */
2118 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
2122 slap_sig_wake( int sig )
2126 /* reinstall self */
2127 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
2131 void slapd_add_internal(ber_socket_t s, int isactive) {
2132 slapd_add(s, isactive);
2135 Listener ** slapd_get_listeners(void) {
2136 return slap_listeners;