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 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 | S_IRWXO;
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 0 /* don't muck with socket perms */
830 if ( chmod( addr, l.sl_perms ) < 0 && crit ) {
831 int err = sock_errno();
833 LDAP_LOG( CONNECTION, INFO,
834 "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n",
835 (long)l.sl_sd, err, sock_errstr(err) );
837 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
838 (long) l.sl_sd, err, sock_errstr(err) );
840 tcp_close( l.sl_sd );
841 slap_free_listener_addresses(psal);
845 l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
846 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
847 snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
850 #endif /* LDAP_PF_LOCAL */
854 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
855 char addr[INET_ADDRSTRLEN];
856 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
857 addr, sizeof(addr) );
860 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
862 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
863 l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
864 snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
866 s != NULL ? s : SLAP_STRING_UNKNOWN, port );
867 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
872 char addr[INET6_ADDRSTRLEN];
873 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
875 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
876 l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
877 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
878 snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
880 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
882 #endif /* LDAP_PF_INET6 */
886 LDAP_LOG( CONNECTION, INFO,
887 "slap_open_listener: unsupported address family (%d)\n",
888 (int)(*sal)->sa_family, 0, 0 );
890 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
891 (int) (*sal)->sa_family, 0, 0 );
896 AC_MEMCPY(&l.sl_sa, *sal, addrlen);
897 ber_str2bv( url, 0, 1, &l.sl_url);
898 li = ch_malloc( sizeof( Listener ) );
900 slap_listeners[*cur] = li;
904 } /* while ( *sal != NULL ) */
906 slap_free_listener_addresses(psal);
908 if ( l.sl_url.bv_val == NULL )
911 LDAP_LOG( CONNECTION, RESULTS,
912 "slap_open_listener: failed on %s\n", url, 0, 0 );
914 Debug( LDAP_DEBUG_TRACE,
915 "slap_open_listener: failed on %s\n", url, 0, 0 );
921 LDAP_LOG( CONNECTION, RESULTS,
922 "slap_open_listener: daemon initialized %s\n",
923 l.sl_url.bv_val, 0, 0 );
925 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
926 l.sl_url.bv_val, 0, 0 );
931 static int sockinit(void);
932 static int sockdestroy(void);
934 int slapd_daemon_init( const char *urls )
940 LDAP_LOG( CONNECTION, ARGS,
941 "slapd_daemon_init: %s\n", urls ? urls : "<null>", 0, 0 );
943 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
944 urls ? urls : "<null>", 0, 0 );
946 if( (rc = sockinit()) != 0 ) {
951 dtblsize = sysconf( _SC_OPEN_MAX );
952 #elif HAVE_GETDTABLESIZE
953 dtblsize = getdtablesize();
955 dtblsize = FD_SETSIZE;
959 if(dtblsize > FD_SETSIZE) {
960 dtblsize = FD_SETSIZE;
962 #endif /* !FD_SETSIZE */
964 /* open a pipe (or something equivalent connected to itself).
965 * we write a byte on this fd whenever we catch a signal. The main
966 * loop will be select'ing on this socket, and will wake up when
969 if( (rc = lutil_pair( wake_sds )) < 0 ) {
971 LDAP_LOG( CONNECTION, ERR,
972 "slap_daemon_init: lutil_pair() failed rc=%d\n", rc, 0, 0);
974 Debug( LDAP_DEBUG_ANY,
975 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
980 FD_ZERO( &slap_daemon.sd_readers );
981 FD_ZERO( &slap_daemon.sd_writers );
987 u = ldap_str2charray( urls, " " );
989 if( u == NULL || u[0] == NULL ) {
991 LDAP_LOG( CONNECTION, ERR,
992 "slap_daemon_init: no urls (%s) provided.\n", urls, 0, 0 );
994 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
1000 for( i=0; u[i] != NULL; i++ ) {
1002 LDAP_LOG( CONNECTION, DETAIL1,
1003 "slap_daemon_init: listen on %s\n.", u[i], 0, 0 );
1005 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
1012 LDAP_LOG( CONNECTION, INFO,
1013 "slap_daemon_init: no listeners to open (%s)\n", urls, 0, 0 );
1015 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
1018 ldap_charray_free( u );
1023 LDAP_LOG( CONNECTION, INFO,
1024 "slap_daemon_init: %d listeners to open...\n", i, 0, 0 );
1026 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
1029 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
1031 for(n = 0, j = 0; u[n]; n++ ) {
1032 if ( slap_open_listener( u[n], &i, &j ) ) {
1033 ldap_charray_free( u );
1037 slap_listeners[j] = NULL;
1040 LDAP_LOG( CONNECTION, DETAIL1,
1041 "slap_daemon_init: %d listeners opened\n", i, 0, 0 );
1043 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
1048 slapd_slp_init( urls );
1052 ldap_charray_free( u );
1053 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
1059 slapd_daemon_destroy(void)
1061 connections_destroy();
1062 tcp_close( wake_sds[1] );
1063 tcp_close( wake_sds[0] );
1082 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1083 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1085 slapd_remove( slap_listeners[l]->sl_sd, 0 );
1086 #ifdef LDAP_PF_LOCAL
1087 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1088 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1090 #endif /* LDAP_PF_LOCAL */
1091 slapd_close( slap_listeners[l]->sl_sd );
1093 if ( slap_listeners[l]->sl_url.bv_val )
1094 ber_memfree( slap_listeners[l]->sl_url.bv_val );
1095 if ( slap_listeners[l]->sl_name.bv_val )
1096 ber_memfree( slap_listeners[l]->sl_name.bv_val );
1097 free ( slap_listeners[l] );
1098 slap_listeners[l] = NULL;
1109 time_t last_idle_check = 0;
1112 if ( global_idletimeout > 0 ) {
1113 last_idle_check = slap_get_time();
1115 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1116 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1118 #ifdef LDAP_CONNECTIONLESS
1119 /* Since this is connectionless, the data port is the
1120 * listening port. The listen() and accept() calls
1123 if ( slap_listeners[l]->sl_is_udp ) {
1124 slapd_add( slap_listeners[l]->sl_sd );
1129 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1130 int err = sock_errno();
1132 #ifdef LDAP_PF_INET6
1133 /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
1134 * we are already listening to in6addr_any, then we want to ignore
1135 * this and continue.
1137 if ( err == EADDRINUSE ) {
1139 struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
1140 struct sockaddr_in6 sa6;
1142 if ( sa.sin_family == AF_INET &&
1143 sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
1144 for ( i = 0 ; i < l; i++ ) {
1145 sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
1146 if ( sa6.sin6_family == AF_INET6 &&
1147 !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
1152 /* We are already listening to in6addr_any */
1154 LDAP_LOG(CONNECTION, WARNING,
1155 "slapd_daemon_task: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n", 0, 0, 0 );
1157 Debug( LDAP_DEBUG_CONNS,
1158 "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
1161 slapd_close( slap_listeners[l]->sl_sd );
1162 slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
1169 LDAP_LOG( CONNECTION, ERR,
1170 "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n",
1171 slap_listeners[l]->sl_url.bv_val, err, sock_errstr(err) );
1173 Debug( LDAP_DEBUG_ANY,
1174 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1175 slap_listeners[l]->sl_url.bv_val, err,
1178 return( (void*)-1 );
1181 slapd_add( slap_listeners[l]->sl_sd );
1184 #ifdef HAVE_NT_SERVICE_MANAGER
1185 if ( started_event != NULL ) {
1186 ldap_pvt_thread_cond_signal( &started_event );
1189 /* initialization complete. Here comes the loop. */
1191 while ( !slapd_shutdown ) {
1196 #define SLAPD_EBADF_LIMIT 16
1200 #define SLAPD_IDLE_CHECK_LIMIT 4
1208 struct timeval zero;
1209 struct timeval *tvp;
1212 now = slap_get_time();
1213 connections_timeout_idle( now );
1215 else if ( global_idletimeout > 0 ) {
1216 now = slap_get_time();
1217 if ( difftime( last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1218 connections_timeout_idle( now );
1223 if( slapd_gentle_shutdown ) {
1224 ber_socket_t active;
1226 if( slapd_gentle_shutdown == 1 ) {
1227 Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
1228 close_listeners( 1 );
1229 global_restrictops |= SLAP_RESTRICT_OP_WRITES;
1230 slapd_gentle_shutdown = 2;
1233 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1234 active = slap_daemon.sd_nactives;
1235 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1243 FD_ZERO( &writefds );
1244 FD_ZERO( &readfds );
1249 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1251 #ifdef FD_SET_MANUAL_COPY
1252 for( s = 0; s < nfds; s++ ) {
1253 if(FD_ISSET( &slap_sd_readers, s )) {
1254 FD_SET( s, &readfds );
1256 if(FD_ISSET( &slap_sd_writers, s )) {
1257 FD_SET( s, &writefds );
1261 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1262 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1264 assert(!FD_ISSET(wake_sds[0], &readfds));
1265 FD_SET( wake_sds[0], &readfds );
1267 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1268 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1270 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1271 FD_SET( slap_listeners[l]->sl_sd, &readfds );
1274 #ifndef HAVE_WINSOCK
1275 nfds = slap_daemon.sd_nfds;
1280 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1282 at = ldap_pvt_thread_pool_backload(&connection_pool);
1284 #if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
1287 tvp = at ? &zero : NULL;
1290 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1291 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1295 LDAP_LOG( CONNECTION, DETAIL1,
1296 "slapd_daemon_task: select: listen=%d "
1297 "active_threads=%d tvp=%s\n",
1298 slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" );
1300 Debug( LDAP_DEBUG_CONNS,
1301 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1302 slap_listeners[l]->sl_sd, at,
1303 tvp == NULL ? "NULL" : "zero" );
1307 switch(ns = select( nfds, &readfds,
1309 /* don't pass empty fd_set */
1310 ( writefds.fd_count > 0 ? &writefds : NULL ),
1316 case -1: { /* failure - try again */
1317 int err = sock_errno();
1321 /* you'd think this would be EBADF */
1322 || err == WSAENOTSOCK
1325 if (++ebadf < SLAPD_EBADF_LIMIT)
1329 if( err != EINTR ) {
1331 LDAP_LOG( CONNECTION, INFO,
1332 "slapd_daemon_task: select failed (%d): %s\n",
1333 err, sock_errstr(err), 0 );
1335 Debug( LDAP_DEBUG_CONNS,
1336 "daemon: select failed (%d): %s\n",
1337 err, sock_errstr(err), 0 );
1344 case 0: /* timeout - let threads run */
1347 LDAP_LOG( CONNECTION, DETAIL2,
1348 "slapd_daemon_task: select timeout - yielding\n", 0, 0, 0 );
1350 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1353 ldap_pvt_thread_yield();
1356 default: /* something happened - deal with it */
1357 if( slapd_shutdown ) continue;
1361 LDAP_LOG( CONNECTION, DETAIL2,
1362 "slapd_daemon_task: activity on %d descriptors\n", ns, 0, 0 );
1364 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1370 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1372 tcp_read( wake_sds[0], c, sizeof(c) );
1373 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
1379 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1381 socklen_t len = sizeof(from);
1384 char *authid = NULL;
1385 #ifdef SLAPD_RLOOKUPS
1386 char hbuf[NI_MAXHOST];
1389 char *dnsname = NULL;
1390 char *peeraddr = NULL;
1391 #ifdef LDAP_PF_LOCAL
1392 char peername[MAXPATHLEN + sizeof("PATH=")];
1393 #elif defined(LDAP_PF_INET6)
1394 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1396 char peername[sizeof("IP=255.255.255.255:65336")];
1397 #endif /* LDAP_PF_LOCAL */
1401 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1404 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1407 #ifdef LDAP_CONNECTIONLESS
1408 if ( slap_listeners[l]->sl_is_udp ) {
1409 /* The first time we receive a query, we set this
1410 * up as a "connection". It remains open for the life
1413 if ( slap_listeners[l]->sl_is_udp < 2 ) {
1414 id = connection_init(
1415 slap_listeners[l]->sl_sd,
1416 slap_listeners[l], "", "",
1418 slap_listeners[l]->sl_is_udp++;
1424 s = accept( slap_listeners[l]->sl_sd,
1425 (struct sockaddr *) &from, &len );
1426 if ( s == AC_SOCKET_INVALID ) {
1427 int err = sock_errno();
1430 if( err == EMFILE ) {
1435 if( err == ENFILE ) {
1445 LDAP_LOG( CONNECTION, ERR,
1446 "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n",
1447 (long)slap_listeners[l]->sl_sd,
1448 err, sock_errstr(err) );
1450 Debug( LDAP_DEBUG_ANY,
1451 "daemon: accept(%ld) failed errno=%d (%s)\n",
1452 (long) slap_listeners[l]->sl_sd, err,
1456 /* prevent busy loop */
1458 if( emfile % 4 == 3 ) usleep( 250 );
1460 if( emfile % 8 == 7 ) sleep( 1 );
1464 ldap_pvt_thread_yield();
1469 #ifndef HAVE_WINSOCK
1470 /* make sure descriptor number isn't too great */
1471 if ( s >= dtblsize ) {
1473 LDAP_LOG( CONNECTION, ERR,
1474 "slapd_daemon_task: %ld beyond descriptor table size %ld\n",
1475 (long)s, (long)dtblsize, 0 );
1477 Debug( LDAP_DEBUG_ANY,
1478 "daemon: %ld beyond descriptor table size %ld\n",
1479 (long) s, (long) dtblsize, 0 );
1483 ldap_pvt_thread_yield();
1489 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1491 /* newly accepted stream should not be in any of the FD SETS */
1492 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1493 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1494 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1496 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1499 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1500 #ifdef LDAP_PF_LOCAL
1501 /* for IPv4 and IPv6 sockets only */
1502 if ( from.sa_addr.sa_family != AF_LOCAL )
1503 #endif /* LDAP_PF_LOCAL */
1508 /* enable keep alives */
1510 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
1511 (char *) &tmp, sizeof(tmp) );
1512 if ( rc == AC_SOCKET_ERROR ) {
1513 int err = sock_errno();
1515 LDAP_LOG( CONNECTION, ERR,
1516 "slapd_daemon_task: setsockopt( %ld, SO_KEEPALIVE)"
1517 " failed errno=%d (%s)\n",
1518 (long)s, err, sock_errstr(err) );
1520 Debug( LDAP_DEBUG_ANY,
1521 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1522 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1527 /* enable no delay */
1529 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1530 (char *)&tmp, sizeof(tmp) );
1531 if ( rc == AC_SOCKET_ERROR ) {
1532 int err = sock_errno();
1534 LDAP_LOG( CONNECTION, ERR,
1535 "slapd_daemon_task: setsockopt( %ld, "
1536 "TCP_NODELAY) failed errno=%d (%s)\n",
1537 (long)s, err, sock_errstr(err) );
1539 Debug( LDAP_DEBUG_ANY,
1540 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1541 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1549 LDAP_LOG( CONNECTION, DETAIL1,
1550 "slapd_daemon_task: new connection on %ld\n", (long)s, 0, 0 );
1552 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1555 switch ( from.sa_addr.sa_family ) {
1556 # ifdef LDAP_PF_LOCAL
1558 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1559 ssf = LDAP_PVT_SASL_LOCAL_SSF;
1564 if( getpeereid( s, &uid, &gid ) == 0 ) {
1566 sizeof("uidnumber=4294967295+gidnumber=4294967295,"
1567 "cn=peercred,cn=external,cn=auth"));
1568 sprintf(authid, "uidnumber=%d+gidnumber=%d,"
1569 "cn=peercred,cn=external,cn=auth",
1570 (int) uid, (int) gid);
1575 #endif /* LDAP_PF_LOCAL */
1577 # ifdef LDAP_PF_INET6
1579 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1580 peeraddr = inet_ntoa( *((struct in_addr *)
1581 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1582 sprintf( peername, "IP=%s:%d",
1583 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1584 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1586 char addr[INET6_ADDRSTRLEN];
1588 peeraddr = (char *) inet_ntop( AF_INET6,
1589 &from.sa_in6_addr.sin6_addr,
1590 addr, sizeof addr );
1591 sprintf( peername, "IP=%s %d",
1592 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1593 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1596 # endif /* LDAP_PF_INET6 */
1599 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1600 sprintf( peername, "IP=%s:%d",
1601 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1602 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1610 if ( ( from.sa_addr.sa_family == AF_INET )
1611 #ifdef LDAP_PF_INET6
1612 || ( from.sa_addr.sa_family == AF_INET6 )
1615 #ifdef SLAPD_RLOOKUPS
1616 if ( use_reverse_lookup ) {
1618 if (ldap_pvt_get_hname( (const struct sockaddr *)&from, len, hbuf,
1619 sizeof(hbuf), &herr ) == 0) {
1620 ldap_pvt_str2lower( hbuf );
1626 #endif /* SLAPD_RLOOKUPS */
1629 if ( !hosts_ctl("slapd",
1630 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1631 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1632 SLAP_STRING_UNKNOWN ))
1635 Statslog( LDAP_DEBUG_STATS,
1636 "fd=%ld DENIED from %s (%s)",
1638 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1639 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1644 #endif /* HAVE_TCPD */
1647 id = connection_init(s,
1649 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1652 slap_listeners[l]->sl_is_tls,
1659 if( authid ) ch_free(authid);
1663 LDAP_LOG( CONNECTION, INFO,
1664 "slapd_daemon_task: "
1665 "connection_init(%ld, %s, %s) "
1668 slap_listeners[l]->sl_name.bv_val );
1670 Debug( LDAP_DEBUG_ANY,
1671 "daemon: connection_init(%ld, %s, %s) "
1675 slap_listeners[l]->sl_name.bv_val );
1681 Statslog( LDAP_DEBUG_STATS,
1682 "conn=%ld fd=%ld ACCEPT from %s (%s)\n",
1685 slap_listeners[l]->sl_name.bv_val,
1694 LDAP_LOG( CONNECTION, DETAIL2,
1695 "slapd_daemon_task: activity on ", 0, 0, 0 );
1697 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1700 for ( i = 0; i < readfds.fd_count; i++ ) {
1702 LDAP_LOG( CONNECTION, DETAIL2,
1703 " %d%s", readfds.fd_array[i], "r", 0, 0 );
1705 Debug( LDAP_DEBUG_CONNS, " %d%s",
1706 readfds.fd_array[i], "r", 0 );
1709 for ( i = 0; i < writefds.fd_count; i++ ) {
1711 LDAP_LOG( CONNECTION, DETAIL2,
1712 " %d%s", writefds.fd_array[i], "w" , 0 );
1714 Debug( LDAP_DEBUG_CONNS, " %d%s",
1715 writefds.fd_array[i], "w", 0 );
1720 for ( i = 0; i < nfds; i++ ) {
1722 int is_listener = 0;
1724 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1725 if ( i == slap_listeners[l]->sl_sd ) {
1726 #ifdef LDAP_CONNECTIONLESS
1727 /* The listener is the data port. Don't
1730 if (slap_listeners[l]->sl_is_udp) continue;
1736 if ( is_listener ) {
1739 r = FD_ISSET( i, &readfds );
1740 w = FD_ISSET( i, &writefds );
1743 LDAP_LOG( CONNECTION, DETAIL2,
1744 " %d%s%s", i, r ? "r" : "", w ? "w" : "" );
1746 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1747 r ? "r" : "", w ? "w" : "" );
1753 LDAP_LOG( CONNECTION, DETAIL2, "\n", 0, 0, 0 );
1755 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1760 /* loop through the writers */
1762 for ( i = 0; i < writefds.fd_count; i++ )
1764 for ( i = 0; i < nfds; i++ )
1768 int is_listener = 0;
1770 wd = writefds.fd_array[i];
1772 if( ! FD_ISSET( i, &writefds ) ) {
1778 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1779 if ( i == slap_listeners[l]->sl_sd ) {
1780 #ifdef LDAP_CONNECTIONLESS
1781 if (slap_listeners[l]->sl_is_udp) continue;
1787 if ( is_listener ) {
1791 LDAP_LOG( CONNECTION, DETAIL2,
1792 "slapd_daemon_task: write active on %d\n", wd, 0, 0 );
1794 Debug( LDAP_DEBUG_CONNS,
1795 "daemon: write active on %d\n",
1799 * NOTE: it is possible that the connection was closed
1800 * and that the stream is now inactive.
1801 * connection_write() must valid the stream is still
1805 if ( connection_write( wd ) < 0 ) {
1806 FD_CLR( (unsigned) wd, &readfds );
1812 for ( i = 0; i < readfds.fd_count; i++ )
1814 for ( i = 0; i < nfds; i++ )
1818 int is_listener = 0;
1821 rd = readfds.fd_array[i];
1823 if( ! FD_ISSET( i, &readfds ) ) {
1829 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1830 if ( rd == slap_listeners[l]->sl_sd ) {
1831 #ifdef LDAP_CONNECTIONLESS
1832 if (slap_listeners[l]->sl_is_udp) continue;
1838 if ( is_listener ) {
1843 LDAP_LOG( CONNECTION, DETAIL2,
1844 "slapd_daemon_task: read activity on %d\n", rd, 0, 0 );
1846 Debug ( LDAP_DEBUG_CONNS,
1847 "daemon: read activity on %d\n", rd, 0, 0 );
1850 * NOTE: it is possible that the connection was closed
1851 * and that the stream is now inactive.
1852 * connection_read() must valid the stream is still
1856 if ( connection_read( rd ) < 0 ) {
1860 ldap_pvt_thread_yield();
1863 if( slapd_shutdown == 1 ) {
1865 LDAP_LOG( CONNECTION, CRIT,
1866 "slapd_daemon_task: shutdown requested and initiated.\n", 0, 0, 0 );
1868 Debug( LDAP_DEBUG_TRACE,
1869 "daemon: shutdown requested and initiated.\n",
1873 } else if ( slapd_shutdown == 2 ) {
1874 #ifdef HAVE_NT_SERVICE_MANAGER
1876 LDAP_LOG( CONNECTION, CRIT,
1877 "slapd_daemon_task: shutdown initiated by Service Manager.\n",
1880 Debug( LDAP_DEBUG_TRACE,
1881 "daemon: shutdown initiated by Service Manager.\n",
1884 #else /* !HAVE_NT_SERVICE_MANAGER */
1886 LDAP_LOG( CONNECTION, CRIT,
1887 "slapd_daemon_task: abnormal condition, "
1888 "shutdown initiated.\n", 0, 0, 0 );
1890 Debug( LDAP_DEBUG_TRACE,
1891 "daemon: abnormal condition, shutdown initiated.\n",
1894 #endif /* !HAVE_NT_SERVICE_MANAGER */
1897 LDAP_LOG( CONNECTION, CRIT,
1898 "slapd_daemon_task: no active streams, shutdown initiated.\n",
1901 Debug( LDAP_DEBUG_TRACE,
1902 "daemon: no active streams, shutdown initiated.\n",
1907 if( slapd_gentle_shutdown != 2 ) {
1908 close_listeners ( 0 );
1911 free ( slap_listeners );
1912 slap_listeners = NULL;
1914 if( !slapd_gentle_shutdown ) {
1915 connections_shutdown();
1919 LDAP_LOG( CONNECTION, CRIT,
1920 "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n",
1921 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1923 Debug( LDAP_DEBUG_ANY,
1924 "slapd shutdown: waiting for %d threads to terminate\n",
1925 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1927 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1933 int slapd_daemon( void )
1939 #define SLAPD_LISTENER_THREAD 1
1940 #if defined( SLAPD_LISTENER_THREAD )
1942 ldap_pvt_thread_t listener_tid;
1944 /* listener as a separate THREAD */
1945 rc = ldap_pvt_thread_create( &listener_tid,
1946 0, slapd_daemon_task, NULL );
1950 LDAP_LOG( CONNECTION, ERR,
1951 "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n",
1954 Debug( LDAP_DEBUG_ANY,
1955 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
1960 /* wait for the listener thread to complete */
1961 ldap_pvt_thread_join( listener_tid, (void *) NULL );
1964 /* experimental code */
1965 slapd_daemon_task( NULL );
1974 #if defined( HAVE_WINSOCK2 )
1975 WORD wVersionRequested;
1979 wVersionRequested = MAKEWORD( 2, 0 );
1981 err = WSAStartup( wVersionRequested, &wsaData );
1983 /* Tell the user that we couldn't find a usable */
1988 /* Confirm that the WinSock DLL supports 2.0.*/
1989 /* Note that if the DLL supports versions greater */
1990 /* than 2.0 in addition to 2.0, it will still return */
1991 /* 2.0 in wVersion since that is the version we */
1994 if ( LOBYTE( wsaData.wVersion ) != 2 ||
1995 HIBYTE( wsaData.wVersion ) != 0 )
1997 /* Tell the user that we couldn't find a usable */
2003 /* The WinSock DLL is acceptable. Proceed. */
2004 #elif defined( HAVE_WINSOCK )
2006 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
2013 int sockdestroy(void)
2015 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
2022 slap_sig_shutdown( int sig )
2025 LDAP_LOG( CONNECTION, CRIT,
2026 "slap_sig_shutdown: signal %d\n", sig, 0, 0 );
2028 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
2032 * If the NT Service Manager is controlling the server, we don't
2033 * want SIGBREAK to kill the server. For some strange reason,
2034 * SIGBREAK is generated when a user logs out.
2037 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
2038 if (is_NT_Service && sig == SIGBREAK)
2040 LDAP_LOG( CONNECTION, CRIT,
2041 "slap_sig_shutdown: SIGBREAK ignored.\n", 0, 0, 0 );
2043 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
2049 if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
2050 slapd_gentle_shutdown = 1;
2057 /* reinstall self */
2058 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
2062 slap_sig_wake( int sig )
2066 /* reinstall self */
2067 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
2071 void slapd_add_internal(ber_socket_t s) {
2075 Listener ** slapd_get_listeners(void) {
2076 return slap_listeners;