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 *) 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 *) 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 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
159 if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
160 sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
161 strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
162 sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
166 SLP_LIFETIME_MAXIMUM,
176 void slapd_slp_dereg() {
179 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
180 SLPDereg( slapd_hslp,
186 #endif /* HAVE_SLP */
189 * Add a descriptor to daemon control
191 static void slapd_add(ber_socket_t s) {
192 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
194 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
195 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
196 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
199 if (s >= slap_daemon.sd_nfds) {
200 slap_daemon.sd_nfds = s + 1;
204 slap_daemon.sd_nactives++;
206 FD_SET( s, &slap_daemon.sd_actives );
207 FD_SET( s, &slap_daemon.sd_readers );
210 LDAP_LOG( CONNECTION, DETAIL1,
211 "slapd_add: added %ld%s%s\n", (long)s,
212 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
213 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
215 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
217 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
218 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
220 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
224 * Remove the descriptor from daemon control
226 void slapd_remove(ber_socket_t s, int wake) {
227 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
229 slap_daemon.sd_nactives--;
232 LDAP_LOG( CONNECTION, DETAIL1,
233 "slapd_remove: removing %ld%s%s\n", (long) s,
234 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
235 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
237 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
239 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
240 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
242 FD_CLR( s, &slap_daemon.sd_actives );
243 FD_CLR( s, &slap_daemon.sd_readers );
244 FD_CLR( s, &slap_daemon.sd_writers );
246 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
247 WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
250 void slapd_clr_write(ber_socket_t s, int wake) {
251 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
253 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
254 FD_CLR( s, &slap_daemon.sd_writers );
256 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
260 void slapd_set_write(ber_socket_t s, int wake) {
261 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
263 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
264 if (!FD_ISSET(s, &slap_daemon.sd_writers))
265 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
267 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
271 void slapd_clr_read(ber_socket_t s, int wake) {
272 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
274 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
275 FD_CLR( s, &slap_daemon.sd_readers );
277 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
281 void slapd_set_read(ber_socket_t s, int wake) {
282 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
284 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
285 if (!FD_ISSET(s, &slap_daemon.sd_readers))
286 FD_SET( s, &slap_daemon.sd_readers );
288 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
292 static void slapd_close(ber_socket_t s) {
294 LDAP_LOG( CONNECTION, DETAIL1, "slapd_close: closing %ld\n", (long)s, 0, 0);
296 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
302 static void slap_free_listener_addresses(struct sockaddr **sal)
304 struct sockaddr **sap;
310 for (sap = sal; *sap != NULL; sap++) {
317 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
318 static int get_url_perms(
330 for ( i = 0; exts[ i ]; i++ ) {
331 char *type = exts[ i ];
334 if ( type[ 0 ] == '!' ) {
339 if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
341 + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
345 switch (strlen(value)) {
347 /* skip leading '0' */
348 if ( value[ 0 ] != '0' ) {
354 for ( j = 0; j < 3; j++) {
357 v = value[ j ] - '0';
359 if ( v < 0 || v > 7 ) {
368 for ( j = 1; j < 10; j++ ) {
369 static mode_t m[] = { 0,
370 S_IRUSR, S_IWUSR, S_IXUSR,
371 S_IRGRP, S_IWGRP, S_IXGRP,
372 S_IROTH, S_IWOTH, S_IXOTH
374 static char c[] = "-rwxrwxrwx";
376 if ( value[ j ] == c[ j ] ) {
379 } else if ( value[ j ] != '-' ) {
398 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
400 /* port = 0 indicates AF_LOCAL */
401 static int slap_get_listener_addresses(
404 struct sockaddr ***sal)
406 struct sockaddr **sap;
410 *sal = ch_malloc(2 * sizeof(void *));
416 *sap = ch_malloc(sizeof(struct sockaddr_un));
422 (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
424 LDAP_LOG( CONNECTION, INFO,
425 "slap_get_listener_addresses: domain socket path (%s) "
426 "too long in URL\n", host, 0, 0 );
428 Debug( LDAP_DEBUG_ANY,
429 "daemon: domain socket path (%s) too long in URL",
435 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
436 (*sap)->sa_family = AF_LOCAL;
437 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
441 #ifdef HAVE_GETADDRINFO
442 struct addrinfo hints, *res, *sai;
446 memset( &hints, '\0', sizeof(hints) );
447 hints.ai_flags = AI_PASSIVE;
448 hints.ai_socktype = SOCK_STREAM;
449 hints.ai_family = slap_inet4or6;
450 snprintf(serv, sizeof serv, "%d", port);
452 if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
454 LDAP_LOG( CONNECTION, INFO,
455 "slap_get_listener_addresses: getaddrinfo failed: %s\n",
456 AC_GAI_STRERROR(err), 0, 0 );
458 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
459 AC_GAI_STRERROR(err), 0, 0);
465 for (n=2; (sai = sai->ai_next) != NULL; n++) {
468 *sal = ch_calloc(n, sizeof(void *));
476 for ( sai=res; sai; sai=sai->ai_next ) {
477 if( sai->ai_addr == NULL ) {
479 LDAP_LOG( CONNECTION, INFO,
480 "slap_get_listener_addresses: "
481 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
483 Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
484 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
490 switch (sai->ai_family) {
491 # ifdef LDAP_PF_INET6
493 *sap = ch_malloc(sizeof(struct sockaddr_in6));
498 *(struct sockaddr_in6 *)*sap =
499 *((struct sockaddr_in6 *)sai->ai_addr);
503 *sap = ch_malloc(sizeof(struct sockaddr_in));
508 *(struct sockaddr_in *)*sap =
509 *((struct sockaddr_in *)sai->ai_addr);
517 (*sap)->sa_family = sai->ai_family;
527 struct hostent *he = NULL;
529 if ( host == NULL ) {
530 in.s_addr = htonl(INADDR_ANY);
532 } else if ( !inet_aton( host, &in ) ) {
533 he = gethostbyname( host );
536 LDAP_LOG( CONNECTION, INFO,
537 "slap_get_listener_addresses: invalid host %s\n", host, 0, 0 );
539 Debug( LDAP_DEBUG_ANY,
540 "daemon: invalid host %s", host, 0, 0);
544 for (n = 0; he->h_addr_list[n]; n++) ;
547 *sal = ch_malloc((n+1) * sizeof(void *));
553 for ( i = 0; i<n; i++ ) {
554 sap[i] = ch_malloc(sizeof(struct sockaddr_in));
558 (void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
559 sap[i]->sa_family = AF_INET;
560 ((struct sockaddr_in *)sap[i])->sin_port = htons(port);
562 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
564 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
574 slap_free_listener_addresses(*sal);
578 static int slap_open_listener(
589 int err, addrlen = 0;
590 struct sockaddr **sal, **psal;
591 int socktype = SOCK_STREAM; /* default to COTS */
593 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
598 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
600 rc = ldap_url_parse( url, &lud );
602 if( rc != LDAP_URL_SUCCESS ) {
604 LDAP_LOG( CONNECTION, ERR,
605 "slap_open_listener: listen URL \"%s\" parse error %d\n",
608 Debug( LDAP_DEBUG_ANY,
609 "daemon: listen URL \"%s\" parse error=%d\n",
615 l.sl_url.bv_val = NULL;
618 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
620 LDAP_LOG( CONNECTION, INFO,
621 "slap_open_listener: TLS is not supported (%s)\n", url, 0, 0 );
623 Debug( LDAP_DEBUG_ANY,
624 "daemon: TLS not supported (%s)\n",
627 ldap_free_urldesc( lud );
631 if(! lud->lud_port ) {
632 lud->lud_port = LDAP_PORT;
636 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
638 if(! lud->lud_port ) {
639 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
643 port = (unsigned short) lud->lud_port;
645 tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
646 if ( tmp == LDAP_PROTO_IPC ) {
648 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
649 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
651 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
656 LDAP_LOG( CONNECTION, INFO,
657 "slap_open_listener: URL scheme is not supported: %s\n", url, 0, 0 );
659 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
662 ldap_free_urldesc( lud );
666 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
667 || strcmp(lud->lud_host, "*") == 0 )
669 err = slap_get_listener_addresses(NULL, port, &sal);
671 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
674 #ifdef LDAP_CONNECTIONLESS
675 l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
678 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
679 if ( lud->lud_exts ) {
680 err = get_url_perms( lud->lud_exts, &l.sl_perms, &crit );
682 l.sl_perms = S_IRWXU;
684 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
686 ldap_free_urldesc( lud );
691 /* If we got more than one address returned, we need to make space
692 * for it in the slap_listeners array.
694 for ( num=0; sal[num]; num++ );
697 slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
701 while ( *sal != NULL ) {
702 switch( (*sal)->sa_family ) {
715 #ifdef LDAP_CONNECTIONLESS
716 if( l.sl_is_udp ) socktype = SOCK_DGRAM;
718 l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
719 if ( l.sl_sd == AC_SOCKET_INVALID ) {
720 int err = sock_errno();
722 LDAP_LOG( CONNECTION, ERR,
723 "slap_open_listener: socket() failed errno=%d (%s)\n",
724 err, sock_errstr(err), 0 );
726 Debug( LDAP_DEBUG_ANY,
727 "daemon: socket() failed errno=%d (%s)\n", err,
728 sock_errstr(err), 0 );
734 if ( l.sl_sd >= dtblsize ) {
736 LDAP_LOG( CONNECTION, ERR,
737 "slap_open_listener: listener descriptor %ld is too "
738 "great %ld\n", (long)l.sl_sd, (long)dtblsize, 0 );
740 Debug( LDAP_DEBUG_ANY,
741 "daemon: listener descriptor %ld is too great %ld\n",
742 (long) l.sl_sd, (long) dtblsize, 0 );
744 tcp_close( l.sl_sd );
750 if ( (*sal)->sa_family == AF_LOCAL ) {
751 unlink ( ((struct sockaddr_un *)*sal)->sun_path );
756 /* enable address reuse */
758 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
759 (char *) &tmp, sizeof(tmp) );
760 if ( rc == AC_SOCKET_ERROR ) {
761 int err = sock_errno();
763 LDAP_LOG( CONNECTION, INFO,
764 "slap_open_listener: setsockopt( %ld, SO_REUSEADDR ) "
765 "failed errno %d (%s)\n", (long)l.sl_sd, err,
768 Debug( LDAP_DEBUG_ANY,
769 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
770 (long) l.sl_sd, err, sock_errstr(err) );
776 switch( (*sal)->sa_family ) {
778 addrlen = sizeof(struct sockaddr_in);
783 /* Try to use IPv6 sockets for IPv6 only */
785 rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
786 (char *) &tmp, sizeof(tmp) );
787 if ( rc == AC_SOCKET_ERROR ) {
788 int err = sock_errno();
790 LDAP_LOG( CONNECTION, INFO,
791 "slap_open_listener: setsockopt( %ld, IPV6_V6ONLY ) failed errno %d (%s)\n",
792 (long)l.sl_sd, err, sock_errstr(err) );
794 Debug( LDAP_DEBUG_ANY,
795 "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
796 (long) l.sl_sd, err, sock_errstr(err) );
800 addrlen = sizeof(struct sockaddr_in6);
805 addrlen = sizeof(struct sockaddr_un);
810 if (bind(l.sl_sd, *sal, addrlen)) {
813 LDAP_LOG( CONNECTION, INFO,
814 "slap_open_listener: bind(%ld) failed errno=%d (%s)\n",
815 (long)l.sl_sd, err, sock_errstr(err) );
817 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
818 (long) l.sl_sd, err, sock_errstr(err) );
820 tcp_close( l.sl_sd );
825 switch ( (*sal)->sa_family ) {
828 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
829 if ( chmod( addr, l.sl_perms ) < 0 && crit ) {
830 int err = sock_errno();
832 LDAP_LOG( CONNECTION, INFO,
833 "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n",
834 (long)l.sl_sd, err, sock_errstr(err) );
836 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
837 (long) l.sl_sd, err, sock_errstr(err) );
839 tcp_close( l.sl_sd );
840 slap_free_listener_addresses(psal);
843 l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
844 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
845 snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
848 #endif /* LDAP_PF_LOCAL */
852 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
853 char addr[INET_ADDRSTRLEN];
854 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
855 addr, sizeof(addr) );
858 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
860 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
861 l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
862 snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
864 s != NULL ? s : SLAP_STRING_UNKNOWN, port );
865 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
870 char addr[INET6_ADDRSTRLEN];
871 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
873 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
874 l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
875 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
876 snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
878 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
880 #endif /* LDAP_PF_INET6 */
884 LDAP_LOG( CONNECTION, INFO,
885 "slap_open_listener: unsupported address family (%d)\n",
886 (int)(*sal)->sa_family, 0, 0 );
888 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
889 (int) (*sal)->sa_family, 0, 0 );
894 AC_MEMCPY(&l.sl_sa, *sal, addrlen);
895 ber_str2bv( url, 0, 1, &l.sl_url);
896 li = ch_malloc( sizeof( Listener ) );
898 slap_listeners[*cur] = li;
902 } /* while ( *sal != NULL ) */
904 slap_free_listener_addresses(psal);
906 if ( l.sl_url.bv_val == NULL )
909 LDAP_LOG( CONNECTION, RESULTS,
910 "slap_open_listener: failed on %s\n", url, 0, 0 );
912 Debug( LDAP_DEBUG_TRACE,
913 "slap_open_listener: failed on %s\n", url, 0, 0 );
919 LDAP_LOG( CONNECTION, RESULTS,
920 "slap_open_listener: daemon initialized %s\n",
921 l.sl_url.bv_val, 0, 0 );
923 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
924 l.sl_url.bv_val, 0, 0 );
929 static int sockinit(void);
930 static int sockdestroy(void);
932 int slapd_daemon_init( const char *urls )
938 LDAP_LOG( CONNECTION, ARGS,
939 "slapd_daemon_init: %s\n", urls ? urls : "<null>", 0, 0 );
941 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
942 urls ? urls : "<null>", 0, 0 );
944 if( (rc = sockinit()) != 0 ) {
949 dtblsize = sysconf( _SC_OPEN_MAX );
950 #elif HAVE_GETDTABLESIZE
951 dtblsize = getdtablesize();
953 dtblsize = FD_SETSIZE;
957 if(dtblsize > FD_SETSIZE) {
958 dtblsize = FD_SETSIZE;
960 #endif /* !FD_SETSIZE */
962 /* open a pipe (or something equivalent connected to itself).
963 * we write a byte on this fd whenever we catch a signal. The main
964 * loop will be select'ing on this socket, and will wake up when
967 if( (rc = lutil_pair( wake_sds )) < 0 ) {
969 LDAP_LOG( CONNECTION, ERR,
970 "slap_daemon_init: lutil_pair() failed rc=%d\n", rc, 0, 0);
972 Debug( LDAP_DEBUG_ANY,
973 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
978 FD_ZERO( &slap_daemon.sd_readers );
979 FD_ZERO( &slap_daemon.sd_writers );
985 u = ldap_str2charray( urls, " " );
987 if( u == NULL || u[0] == NULL ) {
989 LDAP_LOG( CONNECTION, ERR,
990 "slap_daemon_init: no urls (%s) provided.\n", urls, 0, 0 );
992 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
998 for( i=0; u[i] != NULL; i++ ) {
1000 LDAP_LOG( CONNECTION, DETAIL1,
1001 "slap_daemon_init: listen on %s\n.", u[i], 0, 0 );
1003 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
1010 LDAP_LOG( CONNECTION, INFO,
1011 "slap_daemon_init: no listeners to open (%s)\n", urls, 0, 0 );
1013 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
1016 ldap_charray_free( u );
1021 LDAP_LOG( CONNECTION, INFO,
1022 "slap_daemon_init: %d listeners to open...\n", i, 0, 0 );
1024 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
1027 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
1029 for(n = 0, j = 0; u[n]; n++ ) {
1030 if ( slap_open_listener( u[n], &i, &j ) ) {
1031 ldap_charray_free( u );
1035 slap_listeners[j] = NULL;
1038 LDAP_LOG( CONNECTION, DETAIL1,
1039 "slap_daemon_init: %d listeners opened\n", i, 0, 0 );
1041 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
1046 slapd_slp_init( urls );
1050 ldap_charray_free( u );
1051 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
1057 slapd_daemon_destroy(void)
1059 connections_destroy();
1060 tcp_close( wake_sds[1] );
1061 tcp_close( wake_sds[0] );
1080 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1081 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1083 slapd_remove( slap_listeners[l]->sl_sd, 0 );
1084 #ifdef LDAP_PF_LOCAL
1085 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1086 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1088 #endif /* LDAP_PF_LOCAL */
1089 slapd_close( slap_listeners[l]->sl_sd );
1091 if ( slap_listeners[l]->sl_url.bv_val )
1092 ber_memfree( slap_listeners[l]->sl_url.bv_val );
1093 if ( slap_listeners[l]->sl_name.bv_val )
1094 ber_memfree( slap_listeners[l]->sl_name.bv_val );
1095 free ( slap_listeners[l] );
1096 slap_listeners[l] = NULL;
1107 time_t last_idle_check = 0;
1110 if ( global_idletimeout > 0 ) {
1111 last_idle_check = slap_get_time();
1113 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1114 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1116 #ifdef LDAP_CONNECTIONLESS
1117 /* Since this is connectionless, the data port is the
1118 * listening port. The listen() and accept() calls
1121 if ( slap_listeners[l]->sl_is_udp ) {
1122 slapd_add( slap_listeners[l]->sl_sd );
1127 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1128 int err = sock_errno();
1130 #ifdef LDAP_PF_INET6
1131 /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
1132 * we are already listening to in6addr_any, then we want to ignore
1133 * this and continue.
1135 if ( err == EADDRINUSE ) {
1137 struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
1138 struct sockaddr_in6 sa6;
1140 if ( sa.sin_family == AF_INET &&
1141 sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
1142 for ( i = 0 ; i < l; i++ ) {
1143 sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
1144 if ( sa6.sin6_family == AF_INET6 &&
1145 !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
1150 /* We are already listening to in6addr_any */
1152 LDAP_LOG(CONNECTION, WARNING,
1153 "slapd_daemon_task: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n", 0, 0, 0 );
1155 Debug( LDAP_DEBUG_CONNS,
1156 "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
1159 slapd_close( slap_listeners[l]->sl_sd );
1160 slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
1167 LDAP_LOG( CONNECTION, ERR,
1168 "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n",
1169 slap_listeners[l]->sl_url.bv_val, err, sock_errstr(err) );
1171 Debug( LDAP_DEBUG_ANY,
1172 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1173 slap_listeners[l]->sl_url.bv_val, err,
1176 return( (void*)-1 );
1179 slapd_add( slap_listeners[l]->sl_sd );
1182 #ifdef HAVE_NT_SERVICE_MANAGER
1183 if ( started_event != NULL ) {
1184 ldap_pvt_thread_cond_signal( &started_event );
1187 /* initialization complete. Here comes the loop. */
1189 while ( !slapd_shutdown ) {
1194 #define SLAPD_EBADF_LIMIT 16
1198 #define SLAPD_IDLE_CHECK_LIMIT 4
1206 struct timeval zero;
1207 struct timeval *tvp;
1210 now = slap_get_time();
1211 connections_timeout_idle( now );
1213 else if ( global_idletimeout > 0 ) {
1214 now = slap_get_time();
1215 if ( difftime( last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1216 connections_timeout_idle( now );
1221 if( slapd_gentle_shutdown ) {
1222 ber_socket_t active;
1224 if( slapd_gentle_shutdown == 1 ) {
1225 Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
1226 close_listeners( 1 );
1227 global_restrictops |= SLAP_RESTRICT_OP_WRITES;
1228 slapd_gentle_shutdown = 2;
1231 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1232 active = slap_daemon.sd_nactives;
1233 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1241 FD_ZERO( &writefds );
1242 FD_ZERO( &readfds );
1247 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1249 #ifdef FD_SET_MANUAL_COPY
1250 for( s = 0; s < nfds; s++ ) {
1251 if(FD_ISSET( &slap_sd_readers, s )) {
1252 FD_SET( s, &readfds );
1254 if(FD_ISSET( &slap_sd_writers, s )) {
1255 FD_SET( s, &writefds );
1259 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1260 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1262 assert(!FD_ISSET(wake_sds[0], &readfds));
1263 FD_SET( wake_sds[0], &readfds );
1265 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1266 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1268 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1269 FD_SET( slap_listeners[l]->sl_sd, &readfds );
1272 #ifndef HAVE_WINSOCK
1273 nfds = slap_daemon.sd_nfds;
1278 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1280 at = ldap_pvt_thread_pool_backload(&connection_pool);
1282 #if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
1285 tvp = at ? &zero : NULL;
1288 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1289 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1293 LDAP_LOG( CONNECTION, DETAIL1,
1294 "slapd_daemon_task: select: listen=%d "
1295 "active_threads=%d tvp=%s\n",
1296 slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" );
1298 Debug( LDAP_DEBUG_CONNS,
1299 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1300 slap_listeners[l]->sl_sd, at,
1301 tvp == NULL ? "NULL" : "zero" );
1305 switch(ns = select( nfds, &readfds,
1307 /* don't pass empty fd_set */
1308 ( writefds.fd_count > 0 ? &writefds : NULL ),
1314 case -1: { /* failure - try again */
1315 int err = sock_errno();
1319 /* you'd think this would be EBADF */
1320 || err == WSAENOTSOCK
1323 if (++ebadf < SLAPD_EBADF_LIMIT)
1327 if( err != EINTR ) {
1329 LDAP_LOG( CONNECTION, INFO,
1330 "slapd_daemon_task: select failed (%d): %s\n",
1331 err, sock_errstr(err), 0 );
1333 Debug( LDAP_DEBUG_CONNS,
1334 "daemon: select failed (%d): %s\n",
1335 err, sock_errstr(err), 0 );
1342 case 0: /* timeout - let threads run */
1345 LDAP_LOG( CONNECTION, DETAIL2,
1346 "slapd_daemon_task: select timeout - yielding\n", 0, 0, 0 );
1348 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1351 ldap_pvt_thread_yield();
1354 default: /* something happened - deal with it */
1355 if( slapd_shutdown ) continue;
1359 LDAP_LOG( CONNECTION, DETAIL2,
1360 "slapd_daemon_task: activity on %d descriptors\n", ns, 0, 0 );
1362 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1368 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1370 tcp_read( wake_sds[0], c, sizeof(c) );
1371 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
1377 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1379 socklen_t len = sizeof(from);
1382 char *authid = NULL;
1383 #ifdef SLAPD_RLOOKUPS
1387 char *dnsname = NULL;
1388 char *peeraddr = NULL;
1389 #ifdef LDAP_PF_LOCAL
1390 char peername[MAXPATHLEN + sizeof("PATH=")];
1391 #elif defined(LDAP_PF_INET6)
1392 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1394 char peername[sizeof("IP=255.255.255.255:65336")];
1395 #endif /* LDAP_PF_LOCAL */
1399 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1402 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1405 #ifdef LDAP_CONNECTIONLESS
1406 if ( slap_listeners[l]->sl_is_udp ) {
1407 /* The first time we receive a query, we set this
1408 * up as a "connection". It remains open for the life
1411 if ( slap_listeners[l]->sl_is_udp < 2 ) {
1412 id = connection_init(
1413 slap_listeners[l]->sl_sd,
1414 slap_listeners[l], "", "",
1416 slap_listeners[l]->sl_is_udp++;
1422 s = accept( slap_listeners[l]->sl_sd,
1423 (struct sockaddr *) &from, &len );
1424 if ( s == AC_SOCKET_INVALID ) {
1425 int err = sock_errno();
1428 if( err == EMFILE ) {
1433 if( err == ENFILE ) {
1443 LDAP_LOG( CONNECTION, ERR,
1444 "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n",
1445 (long)slap_listeners[l]->sl_sd,
1446 err, sock_errstr(err) );
1448 Debug( LDAP_DEBUG_ANY,
1449 "daemon: accept(%ld) failed errno=%d (%s)\n",
1450 (long) slap_listeners[l]->sl_sd, err,
1454 /* prevent busy loop */
1456 if( emfile % 4 == 3 ) usleep( 250 );
1458 if( emfile % 8 == 7 ) sleep( 1 );
1462 ldap_pvt_thread_yield();
1467 #ifndef HAVE_WINSOCK
1468 /* make sure descriptor number isn't too great */
1469 if ( s >= dtblsize ) {
1471 LDAP_LOG( CONNECTION, ERR,
1472 "slapd_daemon_task: %ld beyond descriptor table size %ld\n",
1473 (long)s, (long)dtblsize, 0 );
1475 Debug( LDAP_DEBUG_ANY,
1476 "daemon: %ld beyond descriptor table size %ld\n",
1477 (long) s, (long) dtblsize, 0 );
1481 ldap_pvt_thread_yield();
1487 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1489 /* newly accepted stream should not be in any of the FD SETS */
1490 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1491 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1492 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1494 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1497 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1498 #ifdef LDAP_PF_LOCAL
1499 /* for IPv4 and IPv6 sockets only */
1500 if ( from.sa_addr.sa_family != AF_LOCAL )
1501 #endif /* LDAP_PF_LOCAL */
1506 /* enable keep alives */
1508 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
1509 (char *) &tmp, sizeof(tmp) );
1510 if ( rc == AC_SOCKET_ERROR ) {
1511 int err = sock_errno();
1513 LDAP_LOG( CONNECTION, ERR,
1514 "slapd_daemon_task: setsockopt( %ld, SO_KEEPALIVE)"
1515 " failed errno=%d (%s)\n",
1516 (long)s, err, sock_errstr(err) );
1518 Debug( LDAP_DEBUG_ANY,
1519 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1520 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1525 /* enable no delay */
1527 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1528 (char *)&tmp, sizeof(tmp) );
1529 if ( rc == AC_SOCKET_ERROR ) {
1530 int err = sock_errno();
1532 LDAP_LOG( CONNECTION, ERR,
1533 "slapd_daemon_task: setsockopt( %ld, "
1534 "TCP_NODELAY) failed errno=%d (%s)\n",
1535 (long)s, err, sock_errstr(err) );
1537 Debug( LDAP_DEBUG_ANY,
1538 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1539 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1547 LDAP_LOG( CONNECTION, DETAIL1,
1548 "slapd_daemon_task: new connection on %ld\n", (long)s, 0, 0 );
1550 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1553 switch ( from.sa_addr.sa_family ) {
1554 # ifdef LDAP_PF_LOCAL
1556 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1557 ssf = LDAP_PVT_SASL_LOCAL_SSF;
1562 if( getpeereid( s, &uid, &gid ) == 0 ) {
1564 sizeof("uidNumber=4294967295+gidNumber=4294967295,"
1565 "cn=peercred,cn=external,cn=auth"));
1566 sprintf(authid, "uidNumber=%d+gidNumber=%d,"
1567 "cn=peercred,cn=external,cn=auth",
1568 (int) uid, (int) gid);
1573 #endif /* LDAP_PF_LOCAL */
1575 # ifdef LDAP_PF_INET6
1577 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1578 peeraddr = inet_ntoa( *((struct in_addr *)
1579 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1580 sprintf( peername, "IP=%s:%d",
1581 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1582 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1584 char addr[INET6_ADDRSTRLEN];
1586 peeraddr = (char *) inet_ntop( AF_INET6,
1587 &from.sa_in6_addr.sin6_addr,
1588 addr, sizeof addr );
1589 sprintf( peername, "IP=%s %d",
1590 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1591 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1594 # endif /* LDAP_PF_INET6 */
1597 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1598 sprintf( peername, "IP=%s:%d",
1599 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1600 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1608 if ( ( from.sa_addr.sa_family == AF_INET )
1609 #ifdef LDAP_PF_INET6
1610 || ( from.sa_addr.sa_family == AF_INET6 )
1613 #ifdef SLAPD_RLOOKUPS
1614 if ( use_reverse_lookup ) {
1617 struct hostent *hp = NULL;
1618 # ifdef LDAP_PF_INET6
1619 if ( from.sa_addr.sa_family == AF_INET6 )
1620 ldap_pvt_gethostbyaddr_a(
1621 (char *)&(from.sa_in6_addr.sin6_addr),
1622 sizeof(from.sa_in6_addr.sin6_addr),
1623 AF_INET6, &he, &hebuf,
1626 # endif /* LDAP_PF_INET6 */
1627 ldap_pvt_gethostbyaddr_a(
1628 (char *) &(from.sa_in_addr.sin_addr),
1629 sizeof(from.sa_in_addr.sin_addr),
1630 AF_INET, &he, &hebuf, &hp, &herr );
1631 dnsname = hp ? ldap_pvt_str2lower( hp->h_name ) : NULL;
1635 #endif /* SLAPD_RLOOKUPS */
1638 if ( !hosts_ctl("slapd",
1639 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1640 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1641 SLAP_STRING_UNKNOWN ))
1644 Statslog( LDAP_DEBUG_STATS,
1645 "fd=%ld DENIED from %s (%s)",
1647 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1648 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1653 #endif /* HAVE_TCPD */
1656 id = connection_init(s,
1658 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1661 slap_listeners[l]->sl_is_tls,
1668 if( authid ) ch_free(authid);
1669 #ifdef SLAPD_RLOOKUPS
1670 if( hebuf ) ldap_memfree(hebuf);
1675 LDAP_LOG( CONNECTION, INFO,
1676 "slapd_daemon_task: "
1677 "connection_init(%ld, %s, %s) "
1680 slap_listeners[l]->sl_name.bv_val );
1682 Debug( LDAP_DEBUG_ANY,
1683 "daemon: connection_init(%ld, %s, %s) "
1687 slap_listeners[l]->sl_name.bv_val );
1693 Statslog( LDAP_DEBUG_STATS,
1694 "conn=%ld fd=%ld ACCEPT from %s (%s)\n",
1697 slap_listeners[l]->sl_name.bv_val,
1706 LDAP_LOG( CONNECTION, DETAIL2,
1707 "slapd_daemon_task: activity on ", 0, 0, 0 );
1709 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1712 for ( i = 0; i < readfds.fd_count; i++ ) {
1714 LDAP_LOG( CONNECTION, DETAIL2,
1715 " %d%s", readfds.fd_array[i], "r", 0, 0 );
1717 Debug( LDAP_DEBUG_CONNS, " %d%s",
1718 readfds.fd_array[i], "r", 0 );
1721 for ( i = 0; i < writefds.fd_count; i++ ) {
1723 LDAP_LOG( CONNECTION, DETAIL2,
1724 " %d%s", writefds.fd_array[i], "w" , 0 );
1726 Debug( LDAP_DEBUG_CONNS, " %d%s",
1727 writefds.fd_array[i], "w", 0 );
1732 for ( i = 0; i < nfds; i++ ) {
1734 int is_listener = 0;
1736 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1737 if ( i == slap_listeners[l]->sl_sd ) {
1738 #ifdef LDAP_CONNECTIONLESS
1739 /* The listener is the data port. Don't
1742 if (slap_listeners[l]->sl_is_udp) continue;
1748 if ( is_listener ) {
1751 r = FD_ISSET( i, &readfds );
1752 w = FD_ISSET( i, &writefds );
1755 LDAP_LOG( CONNECTION, DETAIL2,
1756 " %d%s%s", i, r ? "r" : "", w ? "w" : "" );
1758 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1759 r ? "r" : "", w ? "w" : "" );
1765 LDAP_LOG( CONNECTION, DETAIL2, "\n", 0, 0, 0 );
1767 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1772 /* loop through the writers */
1774 for ( i = 0; i < writefds.fd_count; i++ )
1776 for ( i = 0; i < nfds; i++ )
1780 int is_listener = 0;
1782 wd = writefds.fd_array[i];
1784 if( ! FD_ISSET( i, &writefds ) ) {
1790 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1791 if ( i == slap_listeners[l]->sl_sd ) {
1792 #ifdef LDAP_CONNECTIONLESS
1793 if (slap_listeners[l]->sl_is_udp) continue;
1799 if ( is_listener ) {
1803 LDAP_LOG( CONNECTION, DETAIL2,
1804 "slapd_daemon_task: write active on %d\n", wd, 0, 0 );
1806 Debug( LDAP_DEBUG_CONNS,
1807 "daemon: write active on %d\n",
1811 * NOTE: it is possible that the connection was closed
1812 * and that the stream is now inactive.
1813 * connection_write() must valid the stream is still
1817 if ( connection_write( wd ) < 0 ) {
1818 FD_CLR( (unsigned) wd, &readfds );
1824 for ( i = 0; i < readfds.fd_count; i++ )
1826 for ( i = 0; i < nfds; i++ )
1830 int is_listener = 0;
1833 rd = readfds.fd_array[i];
1835 if( ! FD_ISSET( i, &readfds ) ) {
1841 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1842 if ( rd == slap_listeners[l]->sl_sd ) {
1843 #ifdef LDAP_CONNECTIONLESS
1844 if (slap_listeners[l]->sl_is_udp) continue;
1850 if ( is_listener ) {
1855 LDAP_LOG( CONNECTION, DETAIL2,
1856 "slapd_daemon_task: read activity on %d\n", rd, 0, 0 );
1858 Debug ( LDAP_DEBUG_CONNS,
1859 "daemon: read activity on %d\n", rd, 0, 0 );
1862 * NOTE: it is possible that the connection was closed
1863 * and that the stream is now inactive.
1864 * connection_read() must valid the stream is still
1868 if ( connection_read( rd ) < 0 ) {
1872 ldap_pvt_thread_yield();
1875 if( slapd_shutdown == 1 ) {
1877 LDAP_LOG( CONNECTION, CRIT,
1878 "slapd_daemon_task: shutdown requested and initiated.\n", 0, 0, 0 );
1880 Debug( LDAP_DEBUG_TRACE,
1881 "daemon: shutdown requested and initiated.\n",
1885 } else if ( slapd_shutdown == 2 ) {
1886 #ifdef HAVE_NT_SERVICE_MANAGER
1888 LDAP_LOG( CONNECTION, CRIT,
1889 "slapd_daemon_task: shutdown initiated by Service Manager.\n",
1892 Debug( LDAP_DEBUG_TRACE,
1893 "daemon: shutdown initiated by Service Manager.\n",
1896 #else /* !HAVE_NT_SERVICE_MANAGER */
1898 LDAP_LOG( CONNECTION, CRIT,
1899 "slapd_daemon_task: abnormal condition, "
1900 "shutdown initiated.\n", 0, 0, 0 );
1902 Debug( LDAP_DEBUG_TRACE,
1903 "daemon: abnormal condition, shutdown initiated.\n",
1906 #endif /* !HAVE_NT_SERVICE_MANAGER */
1909 LDAP_LOG( CONNECTION, CRIT,
1910 "slapd_daemon_task: no active streams, shutdown initiated.\n",
1913 Debug( LDAP_DEBUG_TRACE,
1914 "daemon: no active streams, shutdown initiated.\n",
1919 if( slapd_gentle_shutdown != 2 )
1920 close_listeners ( 0 );
1921 free ( slap_listeners );
1922 slap_listeners = NULL;
1925 LDAP_LOG( CONNECTION, CRIT,
1926 "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n",
1927 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1929 Debug( LDAP_DEBUG_ANY,
1930 "slapd shutdown: waiting for %d threads to terminate\n",
1931 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1933 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1939 int slapd_daemon( void )
1945 #define SLAPD_LISTENER_THREAD 1
1946 #if defined( SLAPD_LISTENER_THREAD )
1948 ldap_pvt_thread_t listener_tid;
1950 /* listener as a separate THREAD */
1951 rc = ldap_pvt_thread_create( &listener_tid,
1952 0, slapd_daemon_task, NULL );
1956 LDAP_LOG( CONNECTION, ERR,
1957 "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n",
1960 Debug( LDAP_DEBUG_ANY,
1961 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
1966 /* wait for the listener thread to complete */
1967 ldap_pvt_thread_join( listener_tid, (void *) NULL );
1970 /* experimental code */
1971 slapd_daemon_task( NULL );
1980 #if defined( HAVE_WINSOCK2 )
1981 WORD wVersionRequested;
1985 wVersionRequested = MAKEWORD( 2, 0 );
1987 err = WSAStartup( wVersionRequested, &wsaData );
1989 /* Tell the user that we couldn't find a usable */
1994 /* Confirm that the WinSock DLL supports 2.0.*/
1995 /* Note that if the DLL supports versions greater */
1996 /* than 2.0 in addition to 2.0, it will still return */
1997 /* 2.0 in wVersion since that is the version we */
2000 if ( LOBYTE( wsaData.wVersion ) != 2 ||
2001 HIBYTE( wsaData.wVersion ) != 0 )
2003 /* Tell the user that we couldn't find a usable */
2009 /* The WinSock DLL is acceptable. Proceed. */
2010 #elif defined( HAVE_WINSOCK )
2012 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
2019 int sockdestroy(void)
2021 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
2028 slap_sig_shutdown( int sig )
2031 LDAP_LOG( CONNECTION, CRIT,
2032 "slap_sig_shutdown: signal %d\n", sig, 0, 0 );
2034 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
2038 * If the NT Service Manager is controlling the server, we don't
2039 * want SIGBREAK to kill the server. For some strange reason,
2040 * SIGBREAK is generated when a user logs out.
2043 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
2044 if (is_NT_Service && sig == SIGBREAK)
2046 LDAP_LOG( CONNECTION, CRIT,
2047 "slap_sig_shutdown: SIGBREAK ignored.\n", 0, 0, 0 );
2049 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
2055 if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
2056 slapd_gentle_shutdown = 1;
2063 /* reinstall self */
2064 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
2068 slap_sig_wake( int sig )
2072 /* reinstall self */
2073 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
2077 void slapd_add_internal(ber_socket_t s) {
2081 Listener ** slapd_get_listeners(void) {
2082 return slap_listeners;