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"
25 #define SLAP_STRING_UNKNOWN STRING_UNKNOWN
27 int allow_severity = LOG_INFO;
28 int deny_severity = LOG_NOTICE;
29 #else /* ! TCP Wrappers */
30 #define SLAP_STRING_UNKNOWN "unknown"
31 #endif /* ! TCP Wrappers */
35 /* this should go in <ldap.h> as soon as it is accepted */
36 #define LDAPI_MOD_URLEXT "x-mod"
37 #endif /* LDAP_PF_LOCAL */
40 int slap_inet4or6 = AF_UNSPEC;
42 int slap_inet4or6 = AF_INET;
47 ber_socket_t dtblsize;
49 Listener **slap_listeners = NULL;
51 #define SLAPD_LISTEN 10
53 static ber_socket_t wake_sds[2];
55 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
57 #define WAKE_LISTENER(w) \
58 ((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
60 #define WAKE_LISTENER(w) \
61 do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
67 volatile sig_atomic_t slapd_shutdown = 0, slapd_gentle_shutdown = 0;
69 static struct slap_daemon {
70 ldap_pvt_thread_mutex_t sd_mutex;
72 ber_socket_t sd_nactives;
75 /* In winsock, accept() returns values higher than dtblsize
76 so don't bother with this optimization */
89 * SLP related functions
93 #define LDAP_SRVTYPE_PREFIX "service:ldap://"
94 #define LDAPS_SRVTYPE_PREFIX "service:ldaps://"
95 static char** slapd_srvurls = NULL;
96 static SLPHandle slapd_hslp = 0;
98 void slapd_slp_init( const char* urls ) {
101 slapd_srvurls = ldap_str2charray( urls, " " );
103 if( slapd_srvurls == NULL ) return;
105 /* find and expand INADDR_ANY URLs */
106 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
107 if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) {
108 char *host = ldap_pvt_get_fqdn( NULL );
109 if ( host != NULL ) {
110 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
112 sizeof( LDAP_SRVTYPE_PREFIX ) );
113 strcpy( lutil_strcopy(slapd_srvurls[i],
114 LDAP_SRVTYPE_PREFIX ), host );
119 } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) {
120 char *host = ldap_pvt_get_fqdn( NULL );
121 if ( host != NULL ) {
122 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
124 sizeof( LDAPS_SRVTYPE_PREFIX ) );
125 strcpy( lutil_strcopy(slapd_srvurls[i],
126 LDAPS_SRVTYPE_PREFIX ), host );
133 /* open the SLP handle */
134 SLPOpen( "en", 0, &slapd_hslp );
137 void slapd_slp_deinit() {
138 if( slapd_srvurls == NULL ) return;
140 ldap_charray_free( slapd_srvurls );
141 slapd_srvurls = NULL;
143 /* close the SLP handle */
144 SLPClose( slapd_hslp );
147 void slapd_slp_regreport(
155 void slapd_slp_reg() {
158 if( slapd_srvurls == NULL ) return;
160 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
161 if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
162 sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
163 strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
164 sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
168 SLP_LIFETIME_MAXIMUM,
178 void slapd_slp_dereg() {
181 if( slapd_srvurls == NULL ) return;
183 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
184 SLPDereg( slapd_hslp,
190 #endif /* HAVE_SLP */
193 * Add a descriptor to daemon control
195 static void slapd_add(ber_socket_t s) {
196 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
198 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
199 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
200 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
203 if (s >= slap_daemon.sd_nfds) {
204 slap_daemon.sd_nfds = s + 1;
208 slap_daemon.sd_nactives++;
210 FD_SET( s, &slap_daemon.sd_actives );
211 FD_SET( s, &slap_daemon.sd_readers );
214 LDAP_LOG( CONNECTION, DETAIL1,
215 "slapd_add: added %ld%s%s\n", (long)s,
216 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
217 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
219 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
221 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
222 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
224 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
228 * Remove the descriptor from daemon control
230 void slapd_remove(ber_socket_t s, int wake) {
231 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
233 slap_daemon.sd_nactives--;
236 LDAP_LOG( CONNECTION, DETAIL1,
237 "slapd_remove: removing %ld%s%s\n", (long) s,
238 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
239 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
241 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
243 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
244 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
246 FD_CLR( s, &slap_daemon.sd_actives );
247 FD_CLR( s, &slap_daemon.sd_readers );
248 FD_CLR( s, &slap_daemon.sd_writers );
250 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
251 WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
254 void slapd_clr_write(ber_socket_t s, int wake) {
255 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
257 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
258 FD_CLR( s, &slap_daemon.sd_writers );
260 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
264 void slapd_set_write(ber_socket_t s, int wake) {
265 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
267 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
268 if (!FD_ISSET(s, &slap_daemon.sd_writers))
269 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
271 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
275 void slapd_clr_read(ber_socket_t s, int wake) {
276 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
278 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
279 FD_CLR( s, &slap_daemon.sd_readers );
281 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
285 void slapd_set_read(ber_socket_t s, int wake) {
286 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
288 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
289 if (!FD_ISSET(s, &slap_daemon.sd_readers))
290 FD_SET( s, &slap_daemon.sd_readers );
292 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
296 static void slapd_close(ber_socket_t s) {
298 LDAP_LOG( CONNECTION, DETAIL1, "slapd_close: closing %ld\n", (long)s, 0, 0);
300 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
306 static void slap_free_listener_addresses(struct sockaddr **sal)
308 struct sockaddr **sap;
314 for (sap = sal; *sap != NULL; sap++) {
321 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
322 static int get_url_perms(
334 for ( i = 0; exts[ i ]; i++ ) {
335 char *type = exts[ i ];
338 if ( type[ 0 ] == '!' ) {
343 if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
345 + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
349 switch (strlen(value)) {
351 /* skip leading '0' */
352 if ( value[ 0 ] != '0' ) {
358 for ( j = 0; j < 3; j++) {
361 v = value[ j ] - '0';
363 if ( v < 0 || v > 7 ) {
372 for ( j = 1; j < 10; j++ ) {
373 static mode_t m[] = { 0,
374 S_IRUSR, S_IWUSR, S_IXUSR,
375 S_IRGRP, S_IWGRP, S_IXGRP,
376 S_IROTH, S_IWOTH, S_IXOTH
378 static char c[] = "-rwxrwxrwx";
380 if ( value[ j ] == c[ j ] ) {
383 } else if ( value[ j ] != '-' ) {
402 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
404 /* port = 0 indicates AF_LOCAL */
405 static int slap_get_listener_addresses(
408 struct sockaddr ***sal)
410 struct sockaddr **sap;
414 *sal = ch_malloc(2 * sizeof(void *));
420 *sap = ch_malloc(sizeof(struct sockaddr_un));
426 (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
428 LDAP_LOG( CONNECTION, INFO,
429 "slap_get_listener_addresses: domain socket path (%s) "
430 "too long in URL\n", host, 0, 0 );
432 Debug( LDAP_DEBUG_ANY,
433 "daemon: domain socket path (%s) too long in URL",
439 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
440 (*sap)->sa_family = AF_LOCAL;
441 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
445 #ifdef HAVE_GETADDRINFO
446 struct addrinfo hints, *res, *sai;
450 memset( &hints, '\0', sizeof(hints) );
451 hints.ai_flags = AI_PASSIVE;
452 hints.ai_socktype = SOCK_STREAM;
453 hints.ai_family = slap_inet4or6;
454 snprintf(serv, sizeof serv, "%d", port);
456 if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
458 LDAP_LOG( CONNECTION, INFO,
459 "slap_get_listener_addresses: getaddrinfo failed: %s\n",
460 AC_GAI_STRERROR(err), 0, 0 );
462 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
463 AC_GAI_STRERROR(err), 0, 0);
469 for (n=2; (sai = sai->ai_next) != NULL; n++) {
472 *sal = ch_calloc(n, sizeof(void *));
480 for ( sai=res; sai; sai=sai->ai_next ) {
481 if( sai->ai_addr == NULL ) {
483 LDAP_LOG( CONNECTION, INFO,
484 "slap_get_listener_addresses: "
485 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
487 Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
488 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
494 switch (sai->ai_family) {
495 # ifdef LDAP_PF_INET6
497 *sap = ch_malloc(sizeof(struct sockaddr_in6));
502 *(struct sockaddr_in6 *)*sap =
503 *((struct sockaddr_in6 *)sai->ai_addr);
507 *sap = ch_malloc(sizeof(struct sockaddr_in));
512 *(struct sockaddr_in *)*sap =
513 *((struct sockaddr_in *)sai->ai_addr);
521 (*sap)->sa_family = sai->ai_family;
531 struct hostent *he = NULL;
533 if ( host == NULL ) {
534 in.s_addr = htonl(INADDR_ANY);
536 } else if ( !inet_aton( host, &in ) ) {
537 he = gethostbyname( host );
540 LDAP_LOG( CONNECTION, INFO,
541 "slap_get_listener_addresses: invalid host %s\n", host, 0, 0 );
543 Debug( LDAP_DEBUG_ANY,
544 "daemon: invalid host %s", host, 0, 0);
548 for (n = 0; he->h_addr_list[n]; n++) ;
551 *sal = ch_malloc((n+1) * sizeof(void *));
557 for ( i = 0; i<n; i++ ) {
558 sap[i] = ch_malloc(sizeof(struct sockaddr_in));
562 (void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
563 sap[i]->sa_family = AF_INET;
564 ((struct sockaddr_in *)sap[i])->sin_port = htons(port);
566 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
568 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
578 slap_free_listener_addresses(*sal);
582 static int slap_open_listener(
593 int err, addrlen = 0;
594 struct sockaddr **sal, **psal;
595 int socktype = SOCK_STREAM; /* default to COTS */
597 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
602 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
604 rc = ldap_url_parse( url, &lud );
606 if( rc != LDAP_URL_SUCCESS ) {
608 LDAP_LOG( CONNECTION, ERR,
609 "slap_open_listener: listen URL \"%s\" parse error %d\n",
612 Debug( LDAP_DEBUG_ANY,
613 "daemon: listen URL \"%s\" parse error=%d\n",
619 l.sl_url.bv_val = NULL;
622 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
624 LDAP_LOG( CONNECTION, INFO,
625 "slap_open_listener: TLS is not supported (%s)\n", url, 0, 0 );
627 Debug( LDAP_DEBUG_ANY,
628 "daemon: TLS not supported (%s)\n",
631 ldap_free_urldesc( lud );
635 if(! lud->lud_port ) {
636 lud->lud_port = LDAP_PORT;
640 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
642 if(! lud->lud_port ) {
643 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
647 port = (unsigned short) lud->lud_port;
649 tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
650 if ( tmp == LDAP_PROTO_IPC ) {
652 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
653 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
655 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
660 LDAP_LOG( CONNECTION, INFO,
661 "slap_open_listener: URL scheme is not supported: %s\n", url, 0, 0 );
663 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
666 ldap_free_urldesc( lud );
670 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
671 || strcmp(lud->lud_host, "*") == 0 )
673 err = slap_get_listener_addresses(NULL, port, &sal);
675 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
678 #ifdef LDAP_CONNECTIONLESS
679 l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
682 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
683 if ( lud->lud_exts ) {
684 err = get_url_perms( lud->lud_exts, &l.sl_perms, &crit );
686 l.sl_perms = S_IRWXU | S_IRWXO;
688 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
690 ldap_free_urldesc( lud );
695 /* If we got more than one address returned, we need to make space
696 * for it in the slap_listeners array.
698 for ( num=0; sal[num]; num++ );
701 slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
705 while ( *sal != NULL ) {
706 switch( (*sal)->sa_family ) {
719 #ifdef LDAP_CONNECTIONLESS
720 if( l.sl_is_udp ) socktype = SOCK_DGRAM;
722 l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
723 if ( l.sl_sd == AC_SOCKET_INVALID ) {
724 int err = sock_errno();
726 LDAP_LOG( CONNECTION, ERR,
727 "slap_open_listener: socket() failed errno=%d (%s)\n",
728 err, sock_errstr(err), 0 );
730 Debug( LDAP_DEBUG_ANY,
731 "daemon: socket() failed errno=%d (%s)\n", err,
732 sock_errstr(err), 0 );
738 if ( l.sl_sd >= dtblsize ) {
740 LDAP_LOG( CONNECTION, ERR,
741 "slap_open_listener: listener descriptor %ld is too "
742 "great %ld\n", (long)l.sl_sd, (long)dtblsize, 0 );
744 Debug( LDAP_DEBUG_ANY,
745 "daemon: listener descriptor %ld is too great %ld\n",
746 (long) l.sl_sd, (long) dtblsize, 0 );
748 tcp_close( l.sl_sd );
754 if ( (*sal)->sa_family == AF_LOCAL ) {
755 unlink ( ((struct sockaddr_un *)*sal)->sun_path );
760 /* enable address reuse */
762 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
763 (char *) &tmp, sizeof(tmp) );
764 if ( rc == AC_SOCKET_ERROR ) {
765 int err = sock_errno();
767 LDAP_LOG( CONNECTION, INFO,
768 "slap_open_listener: setsockopt( %ld, SO_REUSEADDR ) "
769 "failed errno %d (%s)\n", (long)l.sl_sd, err,
772 Debug( LDAP_DEBUG_ANY,
773 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
774 (long) l.sl_sd, err, sock_errstr(err) );
780 switch( (*sal)->sa_family ) {
782 addrlen = sizeof(struct sockaddr_in);
787 /* Try to use IPv6 sockets for IPv6 only */
789 rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
790 (char *) &tmp, sizeof(tmp) );
791 if ( rc == AC_SOCKET_ERROR ) {
792 int err = sock_errno();
794 LDAP_LOG( CONNECTION, INFO,
795 "slap_open_listener: setsockopt( %ld, IPV6_V6ONLY ) failed errno %d (%s)\n",
796 (long)l.sl_sd, err, sock_errstr(err) );
798 Debug( LDAP_DEBUG_ANY,
799 "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
800 (long) l.sl_sd, err, sock_errstr(err) );
804 addrlen = sizeof(struct sockaddr_in6);
809 addrlen = sizeof(struct sockaddr_un);
814 if (bind(l.sl_sd, *sal, addrlen)) {
817 LDAP_LOG( CONNECTION, INFO,
818 "slap_open_listener: bind(%ld) failed errno=%d (%s)\n",
819 (long)l.sl_sd, err, sock_errstr(err) );
821 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
822 (long) l.sl_sd, err, sock_errstr(err) );
824 tcp_close( l.sl_sd );
829 switch ( (*sal)->sa_family ) {
832 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
833 #if 0 /* don't muck with socket perms */
834 if ( chmod( addr, l.sl_perms ) < 0 && crit ) {
835 int err = sock_errno();
837 LDAP_LOG( CONNECTION, INFO,
838 "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n",
839 (long)l.sl_sd, err, sock_errstr(err) );
841 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
842 (long) l.sl_sd, err, sock_errstr(err) );
844 tcp_close( l.sl_sd );
845 slap_free_listener_addresses(psal);
849 l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
850 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
851 snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
854 #endif /* LDAP_PF_LOCAL */
858 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
859 char addr[INET_ADDRSTRLEN];
860 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
861 addr, sizeof(addr) );
864 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
866 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
867 l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
868 snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
870 s != NULL ? s : SLAP_STRING_UNKNOWN, port );
871 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
876 char addr[INET6_ADDRSTRLEN];
877 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
879 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
880 l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
881 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
882 snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
884 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
886 #endif /* LDAP_PF_INET6 */
890 LDAP_LOG( CONNECTION, INFO,
891 "slap_open_listener: unsupported address family (%d)\n",
892 (int)(*sal)->sa_family, 0, 0 );
894 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
895 (int) (*sal)->sa_family, 0, 0 );
900 AC_MEMCPY(&l.sl_sa, *sal, addrlen);
901 ber_str2bv( url, 0, 1, &l.sl_url);
902 li = ch_malloc( sizeof( Listener ) );
904 slap_listeners[*cur] = li;
908 } /* while ( *sal != NULL ) */
910 slap_free_listener_addresses(psal);
912 if ( l.sl_url.bv_val == NULL )
915 LDAP_LOG( CONNECTION, RESULTS,
916 "slap_open_listener: failed on %s\n", url, 0, 0 );
918 Debug( LDAP_DEBUG_TRACE,
919 "slap_open_listener: failed on %s\n", url, 0, 0 );
925 LDAP_LOG( CONNECTION, RESULTS,
926 "slap_open_listener: daemon initialized %s\n",
927 l.sl_url.bv_val, 0, 0 );
929 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
930 l.sl_url.bv_val, 0, 0 );
935 static int sockinit(void);
936 static int sockdestroy(void);
938 int slapd_daemon_init( const char *urls )
944 LDAP_LOG( CONNECTION, ARGS,
945 "slapd_daemon_init: %s\n", urls ? urls : "<null>", 0, 0 );
947 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
948 urls ? urls : "<null>", 0, 0 );
950 if( (rc = sockinit()) != 0 ) {
955 dtblsize = sysconf( _SC_OPEN_MAX );
956 #elif HAVE_GETDTABLESIZE
957 dtblsize = getdtablesize();
959 dtblsize = FD_SETSIZE;
963 if(dtblsize > FD_SETSIZE) {
964 dtblsize = FD_SETSIZE;
966 #endif /* !FD_SETSIZE */
968 /* open a pipe (or something equivalent connected to itself).
969 * we write a byte on this fd whenever we catch a signal. The main
970 * loop will be select'ing on this socket, and will wake up when
973 if( (rc = lutil_pair( wake_sds )) < 0 ) {
975 LDAP_LOG( CONNECTION, ERR,
976 "slap_daemon_init: lutil_pair() failed rc=%d\n", rc, 0, 0);
978 Debug( LDAP_DEBUG_ANY,
979 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
984 FD_ZERO( &slap_daemon.sd_readers );
985 FD_ZERO( &slap_daemon.sd_writers );
991 u = ldap_str2charray( urls, " " );
993 if( u == NULL || u[0] == NULL ) {
995 LDAP_LOG( CONNECTION, ERR,
996 "slap_daemon_init: no urls (%s) provided.\n", urls, 0, 0 );
998 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
1004 for( i=0; u[i] != NULL; i++ ) {
1006 LDAP_LOG( CONNECTION, DETAIL1,
1007 "slap_daemon_init: listen on %s\n.", u[i], 0, 0 );
1009 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
1016 LDAP_LOG( CONNECTION, INFO,
1017 "slap_daemon_init: no listeners to open (%s)\n", urls, 0, 0 );
1019 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
1022 ldap_charray_free( u );
1027 LDAP_LOG( CONNECTION, INFO,
1028 "slap_daemon_init: %d listeners to open...\n", i, 0, 0 );
1030 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
1033 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
1035 for(n = 0, j = 0; u[n]; n++ ) {
1036 if ( slap_open_listener( u[n], &i, &j ) ) {
1037 ldap_charray_free( u );
1041 slap_listeners[j] = NULL;
1044 LDAP_LOG( CONNECTION, DETAIL1,
1045 "slap_daemon_init: %d listeners opened\n", i, 0, 0 );
1047 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
1052 slapd_slp_init( urls );
1056 ldap_charray_free( u );
1057 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
1063 slapd_daemon_destroy(void)
1065 connections_destroy();
1066 tcp_close( wake_sds[1] );
1067 tcp_close( wake_sds[0] );
1086 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1087 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1089 slapd_remove( slap_listeners[l]->sl_sd, 0 );
1090 #ifdef LDAP_PF_LOCAL
1091 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1092 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1094 #endif /* LDAP_PF_LOCAL */
1095 slapd_close( slap_listeners[l]->sl_sd );
1097 if ( slap_listeners[l]->sl_url.bv_val )
1098 ber_memfree( slap_listeners[l]->sl_url.bv_val );
1099 if ( slap_listeners[l]->sl_name.bv_val )
1100 ber_memfree( slap_listeners[l]->sl_name.bv_val );
1101 free ( slap_listeners[l] );
1102 slap_listeners[l] = NULL;
1113 time_t last_idle_check = 0;
1116 if ( global_idletimeout > 0 ) {
1117 last_idle_check = slap_get_time();
1119 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1120 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1122 #ifdef LDAP_CONNECTIONLESS
1123 /* Since this is connectionless, the data port is the
1124 * listening port. The listen() and accept() calls
1127 if ( slap_listeners[l]->sl_is_udp ) {
1128 slapd_add( slap_listeners[l]->sl_sd );
1133 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1134 int err = sock_errno();
1136 #ifdef LDAP_PF_INET6
1137 /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
1138 * we are already listening to in6addr_any, then we want to ignore
1139 * this and continue.
1141 if ( err == EADDRINUSE ) {
1143 struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
1144 struct sockaddr_in6 sa6;
1146 if ( sa.sin_family == AF_INET &&
1147 sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
1148 for ( i = 0 ; i < l; i++ ) {
1149 sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
1150 if ( sa6.sin6_family == AF_INET6 &&
1151 !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
1156 /* We are already listening to in6addr_any */
1158 LDAP_LOG(CONNECTION, WARNING,
1159 "slapd_daemon_task: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n", 0, 0, 0 );
1161 Debug( LDAP_DEBUG_CONNS,
1162 "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
1165 slapd_close( slap_listeners[l]->sl_sd );
1166 slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
1173 LDAP_LOG( CONNECTION, ERR,
1174 "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n",
1175 slap_listeners[l]->sl_url.bv_val, err, sock_errstr(err) );
1177 Debug( LDAP_DEBUG_ANY,
1178 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1179 slap_listeners[l]->sl_url.bv_val, err,
1182 return( (void*)-1 );
1185 slapd_add( slap_listeners[l]->sl_sd );
1188 #ifdef HAVE_NT_SERVICE_MANAGER
1189 if ( started_event != NULL ) {
1190 ldap_pvt_thread_cond_signal( &started_event );
1193 /* initialization complete. Here comes the loop. */
1195 while ( !slapd_shutdown ) {
1200 #define SLAPD_EBADF_LIMIT 16
1204 #define SLAPD_IDLE_CHECK_LIMIT 4
1212 struct timeval zero;
1213 struct timeval *tvp;
1216 now = slap_get_time();
1217 connections_timeout_idle( now );
1219 else if ( global_idletimeout > 0 ) {
1220 now = slap_get_time();
1221 if ( difftime( last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1222 connections_timeout_idle( now );
1227 if( slapd_gentle_shutdown ) {
1228 ber_socket_t active;
1230 if( slapd_gentle_shutdown == 1 ) {
1231 Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
1232 close_listeners( 1 );
1233 global_restrictops |= SLAP_RESTRICT_OP_WRITES;
1234 slapd_gentle_shutdown = 2;
1237 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1238 active = slap_daemon.sd_nactives;
1239 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1247 FD_ZERO( &writefds );
1248 FD_ZERO( &readfds );
1253 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1255 #ifdef FD_SET_MANUAL_COPY
1256 for( s = 0; s < nfds; s++ ) {
1257 if(FD_ISSET( &slap_sd_readers, s )) {
1258 FD_SET( s, &readfds );
1260 if(FD_ISSET( &slap_sd_writers, s )) {
1261 FD_SET( s, &writefds );
1265 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1266 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1268 assert(!FD_ISSET(wake_sds[0], &readfds));
1269 FD_SET( wake_sds[0], &readfds );
1271 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1272 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1274 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1275 FD_SET( slap_listeners[l]->sl_sd, &readfds );
1278 #ifndef HAVE_WINSOCK
1279 nfds = slap_daemon.sd_nfds;
1284 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1286 at = ldap_pvt_thread_pool_backload(&connection_pool);
1288 #if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
1291 tvp = at ? &zero : NULL;
1294 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1295 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1299 LDAP_LOG( CONNECTION, DETAIL1,
1300 "slapd_daemon_task: select: listen=%d "
1301 "active_threads=%d tvp=%s\n",
1302 slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" );
1304 Debug( LDAP_DEBUG_CONNS,
1305 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1306 slap_listeners[l]->sl_sd, at,
1307 tvp == NULL ? "NULL" : "zero" );
1311 switch(ns = select( nfds, &readfds,
1313 /* don't pass empty fd_set */
1314 ( writefds.fd_count > 0 ? &writefds : NULL ),
1320 case -1: { /* failure - try again */
1321 int err = sock_errno();
1325 /* you'd think this would be EBADF */
1326 || err == WSAENOTSOCK
1329 if (++ebadf < SLAPD_EBADF_LIMIT)
1333 if( err != EINTR ) {
1335 LDAP_LOG( CONNECTION, INFO,
1336 "slapd_daemon_task: select failed (%d): %s\n",
1337 err, sock_errstr(err), 0 );
1339 Debug( LDAP_DEBUG_CONNS,
1340 "daemon: select failed (%d): %s\n",
1341 err, sock_errstr(err), 0 );
1348 case 0: /* timeout - let threads run */
1351 LDAP_LOG( CONNECTION, DETAIL2,
1352 "slapd_daemon_task: select timeout - yielding\n", 0, 0, 0 );
1354 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1357 ldap_pvt_thread_yield();
1360 default: /* something happened - deal with it */
1361 if( slapd_shutdown ) continue;
1365 LDAP_LOG( CONNECTION, DETAIL2,
1366 "slapd_daemon_task: activity on %d descriptors\n", ns, 0, 0 );
1368 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1374 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1376 tcp_read( wake_sds[0], c, sizeof(c) );
1377 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
1383 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1385 socklen_t len = sizeof(from);
1388 char *authid = NULL;
1389 #ifdef SLAPD_RLOOKUPS
1390 char hbuf[NI_MAXHOST];
1393 char *dnsname = NULL;
1394 char *peeraddr = NULL;
1395 #ifdef LDAP_PF_LOCAL
1396 char peername[MAXPATHLEN + sizeof("PATH=")];
1397 #elif defined(LDAP_PF_INET6)
1398 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1400 char peername[sizeof("IP=255.255.255.255:65336")];
1401 #endif /* LDAP_PF_LOCAL */
1405 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1408 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1411 #ifdef LDAP_CONNECTIONLESS
1412 if ( slap_listeners[l]->sl_is_udp ) {
1413 /* The first time we receive a query, we set this
1414 * up as a "connection". It remains open for the life
1417 if ( slap_listeners[l]->sl_is_udp < 2 ) {
1418 id = connection_init(
1419 slap_listeners[l]->sl_sd,
1420 slap_listeners[l], "", "",
1422 slap_listeners[l]->sl_is_udp++;
1428 s = accept( slap_listeners[l]->sl_sd,
1429 (struct sockaddr *) &from, &len );
1430 if ( s == AC_SOCKET_INVALID ) {
1431 int err = sock_errno();
1434 if( err == EMFILE ) {
1439 if( err == ENFILE ) {
1449 LDAP_LOG( CONNECTION, ERR,
1450 "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n",
1451 (long)slap_listeners[l]->sl_sd,
1452 err, sock_errstr(err) );
1454 Debug( LDAP_DEBUG_ANY,
1455 "daemon: accept(%ld) failed errno=%d (%s)\n",
1456 (long) slap_listeners[l]->sl_sd, err,
1460 /* prevent busy loop */
1462 if( emfile % 4 == 3 ) usleep( 250 );
1464 if( emfile % 8 == 7 ) sleep( 1 );
1468 ldap_pvt_thread_yield();
1473 #ifndef HAVE_WINSOCK
1474 /* make sure descriptor number isn't too great */
1475 if ( s >= dtblsize ) {
1477 LDAP_LOG( CONNECTION, ERR,
1478 "slapd_daemon_task: %ld beyond descriptor table size %ld\n",
1479 (long)s, (long)dtblsize, 0 );
1481 Debug( LDAP_DEBUG_ANY,
1482 "daemon: %ld beyond descriptor table size %ld\n",
1483 (long) s, (long) dtblsize, 0 );
1487 ldap_pvt_thread_yield();
1493 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1495 /* newly accepted stream should not be in any of the FD SETS */
1496 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1497 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1498 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1500 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1503 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1504 #ifdef LDAP_PF_LOCAL
1505 /* for IPv4 and IPv6 sockets only */
1506 if ( from.sa_addr.sa_family != AF_LOCAL )
1507 #endif /* LDAP_PF_LOCAL */
1512 /* enable keep alives */
1514 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
1515 (char *) &tmp, sizeof(tmp) );
1516 if ( rc == AC_SOCKET_ERROR ) {
1517 int err = sock_errno();
1519 LDAP_LOG( CONNECTION, ERR,
1520 "slapd_daemon_task: setsockopt( %ld, SO_KEEPALIVE)"
1521 " failed errno=%d (%s)\n",
1522 (long)s, err, sock_errstr(err) );
1524 Debug( LDAP_DEBUG_ANY,
1525 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1526 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1531 /* enable no delay */
1533 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1534 (char *)&tmp, sizeof(tmp) );
1535 if ( rc == AC_SOCKET_ERROR ) {
1536 int err = sock_errno();
1538 LDAP_LOG( CONNECTION, ERR,
1539 "slapd_daemon_task: setsockopt( %ld, "
1540 "TCP_NODELAY) failed errno=%d (%s)\n",
1541 (long)s, err, sock_errstr(err) );
1543 Debug( LDAP_DEBUG_ANY,
1544 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1545 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1553 LDAP_LOG( CONNECTION, DETAIL1,
1554 "slapd_daemon_task: new connection on %ld\n", (long)s, 0, 0 );
1556 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1559 switch ( from.sa_addr.sa_family ) {
1560 # ifdef LDAP_PF_LOCAL
1562 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1563 ssf = LDAP_PVT_SASL_LOCAL_SSF;
1568 if( getpeereid( s, &uid, &gid ) == 0 ) {
1570 sizeof("uidnumber=4294967295+gidnumber=4294967295,"
1571 "cn=peercred,cn=external,cn=auth"));
1572 sprintf(authid, "uidnumber=%d+gidnumber=%d,"
1573 "cn=peercred,cn=external,cn=auth",
1574 (int) uid, (int) gid);
1579 #endif /* LDAP_PF_LOCAL */
1581 # ifdef LDAP_PF_INET6
1583 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1584 peeraddr = inet_ntoa( *((struct in_addr *)
1585 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1586 sprintf( peername, "IP=%s:%d",
1587 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1588 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1590 char addr[INET6_ADDRSTRLEN];
1592 peeraddr = (char *) inet_ntop( AF_INET6,
1593 &from.sa_in6_addr.sin6_addr,
1594 addr, sizeof addr );
1595 sprintf( peername, "IP=%s %d",
1596 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1597 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1600 # endif /* LDAP_PF_INET6 */
1603 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1604 sprintf( peername, "IP=%s:%d",
1605 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1606 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1614 if ( ( from.sa_addr.sa_family == AF_INET )
1615 #ifdef LDAP_PF_INET6
1616 || ( from.sa_addr.sa_family == AF_INET6 )
1619 #ifdef SLAPD_RLOOKUPS
1620 if ( use_reverse_lookup ) {
1622 if (ldap_pvt_get_hname( (const struct sockaddr *)&from, len, hbuf,
1623 sizeof(hbuf), &herr ) == 0) {
1624 ldap_pvt_str2lower( hbuf );
1630 #endif /* SLAPD_RLOOKUPS */
1633 if ( !hosts_ctl("slapd",
1634 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1635 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1636 SLAP_STRING_UNKNOWN ))
1639 Statslog( LDAP_DEBUG_STATS,
1640 "fd=%ld DENIED from %s (%s)",
1642 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1643 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1648 #endif /* HAVE_TCPD */
1651 id = connection_init(s,
1653 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1656 slap_listeners[l]->sl_is_tls,
1663 if( authid ) ch_free(authid);
1667 LDAP_LOG( CONNECTION, INFO,
1668 "slapd_daemon_task: "
1669 "connection_init(%ld, %s, %s) "
1672 slap_listeners[l]->sl_name.bv_val );
1674 Debug( LDAP_DEBUG_ANY,
1675 "daemon: connection_init(%ld, %s, %s) "
1679 slap_listeners[l]->sl_name.bv_val );
1685 Statslog( LDAP_DEBUG_STATS,
1686 "conn=%ld fd=%ld ACCEPT from %s (%s)\n",
1689 slap_listeners[l]->sl_name.bv_val,
1698 LDAP_LOG( CONNECTION, DETAIL2,
1699 "slapd_daemon_task: activity on ", 0, 0, 0 );
1701 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1704 for ( i = 0; i < readfds.fd_count; i++ ) {
1706 LDAP_LOG( CONNECTION, DETAIL2,
1707 " %d%s", readfds.fd_array[i], "r", 0, 0 );
1709 Debug( LDAP_DEBUG_CONNS, " %d%s",
1710 readfds.fd_array[i], "r", 0 );
1713 for ( i = 0; i < writefds.fd_count; i++ ) {
1715 LDAP_LOG( CONNECTION, DETAIL2,
1716 " %d%s", writefds.fd_array[i], "w" , 0 );
1718 Debug( LDAP_DEBUG_CONNS, " %d%s",
1719 writefds.fd_array[i], "w", 0 );
1724 for ( i = 0; i < nfds; i++ ) {
1726 int is_listener = 0;
1728 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1729 if ( i == slap_listeners[l]->sl_sd ) {
1730 #ifdef LDAP_CONNECTIONLESS
1731 /* The listener is the data port. Don't
1734 if (slap_listeners[l]->sl_is_udp) continue;
1740 if ( is_listener ) {
1743 r = FD_ISSET( i, &readfds );
1744 w = FD_ISSET( i, &writefds );
1747 LDAP_LOG( CONNECTION, DETAIL2,
1748 " %d%s%s", i, r ? "r" : "", w ? "w" : "" );
1750 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1751 r ? "r" : "", w ? "w" : "" );
1757 LDAP_LOG( CONNECTION, DETAIL2, "\n", 0, 0, 0 );
1759 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1764 /* loop through the writers */
1766 for ( i = 0; i < writefds.fd_count; i++ )
1768 for ( i = 0; i < nfds; i++ )
1772 int is_listener = 0;
1774 wd = writefds.fd_array[i];
1776 if( ! FD_ISSET( i, &writefds ) ) {
1782 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1783 if ( i == slap_listeners[l]->sl_sd ) {
1784 #ifdef LDAP_CONNECTIONLESS
1785 if (slap_listeners[l]->sl_is_udp) continue;
1791 if ( is_listener ) {
1795 LDAP_LOG( CONNECTION, DETAIL2,
1796 "slapd_daemon_task: write active on %d\n", wd, 0, 0 );
1798 Debug( LDAP_DEBUG_CONNS,
1799 "daemon: write active on %d\n",
1803 * NOTE: it is possible that the connection was closed
1804 * and that the stream is now inactive.
1805 * connection_write() must valid the stream is still
1809 if ( connection_write( wd ) < 0 ) {
1810 FD_CLR( (unsigned) wd, &readfds );
1816 for ( i = 0; i < readfds.fd_count; i++ )
1818 for ( i = 0; i < nfds; i++ )
1822 int is_listener = 0;
1825 rd = readfds.fd_array[i];
1827 if( ! FD_ISSET( i, &readfds ) ) {
1833 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1834 if ( rd == slap_listeners[l]->sl_sd ) {
1835 #ifdef LDAP_CONNECTIONLESS
1836 if (slap_listeners[l]->sl_is_udp) continue;
1842 if ( is_listener ) {
1847 LDAP_LOG( CONNECTION, DETAIL2,
1848 "slapd_daemon_task: read activity on %d\n", rd, 0, 0 );
1850 Debug ( LDAP_DEBUG_CONNS,
1851 "daemon: read activity on %d\n", rd, 0, 0 );
1854 * NOTE: it is possible that the connection was closed
1855 * and that the stream is now inactive.
1856 * connection_read() must valid the stream is still
1860 if ( connection_read( rd ) < 0 ) {
1864 ldap_pvt_thread_yield();
1867 if( slapd_shutdown == 1 ) {
1869 LDAP_LOG( CONNECTION, CRIT,
1870 "slapd_daemon_task: shutdown requested and initiated.\n", 0, 0, 0 );
1872 Debug( LDAP_DEBUG_TRACE,
1873 "daemon: shutdown requested and initiated.\n",
1877 } else if ( slapd_shutdown == 2 ) {
1878 #ifdef HAVE_NT_SERVICE_MANAGER
1880 LDAP_LOG( CONNECTION, CRIT,
1881 "slapd_daemon_task: shutdown initiated by Service Manager.\n",
1884 Debug( LDAP_DEBUG_TRACE,
1885 "daemon: shutdown initiated by Service Manager.\n",
1888 #else /* !HAVE_NT_SERVICE_MANAGER */
1890 LDAP_LOG( CONNECTION, CRIT,
1891 "slapd_daemon_task: abnormal condition, "
1892 "shutdown initiated.\n", 0, 0, 0 );
1894 Debug( LDAP_DEBUG_TRACE,
1895 "daemon: abnormal condition, shutdown initiated.\n",
1898 #endif /* !HAVE_NT_SERVICE_MANAGER */
1901 LDAP_LOG( CONNECTION, CRIT,
1902 "slapd_daemon_task: no active streams, shutdown initiated.\n",
1905 Debug( LDAP_DEBUG_TRACE,
1906 "daemon: no active streams, shutdown initiated.\n",
1911 if( slapd_gentle_shutdown != 2 ) {
1912 close_listeners ( 0 );
1915 free ( slap_listeners );
1916 slap_listeners = NULL;
1918 if( !slapd_gentle_shutdown ) {
1919 connections_shutdown();
1923 LDAP_LOG( CONNECTION, CRIT,
1924 "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n",
1925 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1927 Debug( LDAP_DEBUG_ANY,
1928 "slapd shutdown: waiting for %d threads to terminate\n",
1929 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1931 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1937 int slapd_daemon( void )
1943 #define SLAPD_LISTENER_THREAD 1
1944 #if defined( SLAPD_LISTENER_THREAD )
1946 ldap_pvt_thread_t listener_tid;
1948 /* listener as a separate THREAD */
1949 rc = ldap_pvt_thread_create( &listener_tid,
1950 0, slapd_daemon_task, NULL );
1954 LDAP_LOG( CONNECTION, ERR,
1955 "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n",
1958 Debug( LDAP_DEBUG_ANY,
1959 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
1964 /* wait for the listener thread to complete */
1965 ldap_pvt_thread_join( listener_tid, (void *) NULL );
1968 /* experimental code */
1969 slapd_daemon_task( NULL );
1978 #if defined( HAVE_WINSOCK2 )
1979 WORD wVersionRequested;
1983 wVersionRequested = MAKEWORD( 2, 0 );
1985 err = WSAStartup( wVersionRequested, &wsaData );
1987 /* Tell the user that we couldn't find a usable */
1992 /* Confirm that the WinSock DLL supports 2.0.*/
1993 /* Note that if the DLL supports versions greater */
1994 /* than 2.0 in addition to 2.0, it will still return */
1995 /* 2.0 in wVersion since that is the version we */
1998 if ( LOBYTE( wsaData.wVersion ) != 2 ||
1999 HIBYTE( wsaData.wVersion ) != 0 )
2001 /* Tell the user that we couldn't find a usable */
2007 /* The WinSock DLL is acceptable. Proceed. */
2008 #elif defined( HAVE_WINSOCK )
2010 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
2017 int sockdestroy(void)
2019 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
2026 slap_sig_shutdown( int sig )
2029 LDAP_LOG( CONNECTION, CRIT,
2030 "slap_sig_shutdown: signal %d\n", sig, 0, 0 );
2032 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
2036 * If the NT Service Manager is controlling the server, we don't
2037 * want SIGBREAK to kill the server. For some strange reason,
2038 * SIGBREAK is generated when a user logs out.
2041 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
2042 if (is_NT_Service && sig == SIGBREAK)
2044 LDAP_LOG( CONNECTION, CRIT,
2045 "slap_sig_shutdown: SIGBREAK ignored.\n", 0, 0, 0 );
2047 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
2053 if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
2054 slapd_gentle_shutdown = 1;
2061 /* reinstall self */
2062 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
2066 slap_sig_wake( int sig )
2070 /* reinstall self */
2071 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
2075 void slapd_add_internal(ber_socket_t s) {
2079 Listener ** slapd_get_listeners(void) {
2080 return slap_listeners;