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"
29 #define SLAP_STRING_UNKNOWN STRING_UNKNOWN
31 int allow_severity = LOG_INFO;
32 int deny_severity = LOG_NOTICE;
33 #else /* ! TCP Wrappers */
34 #define SLAP_STRING_UNKNOWN "unknown"
35 #endif /* ! TCP Wrappers */
39 /* this should go in <ldap.h> as soon as it is accepted */
40 #define LDAPI_MOD_URLEXT "x-mod"
41 #endif /* LDAP_PF_LOCAL */
44 int slap_inet4or6 = AF_UNSPEC;
46 int slap_inet4or6 = AF_INET;
51 ber_socket_t dtblsize;
53 Listener **slap_listeners = NULL;
55 #define SLAPD_LISTEN 10
57 static ber_socket_t wake_sds[2];
60 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
62 #define WAKE_LISTENER(w) \
63 ((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
65 #define WAKE_LISTENER(w) \
66 do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
72 volatile sig_atomic_t slapd_shutdown = 0, slapd_gentle_shutdown = 0;
74 static struct slap_daemon {
75 ldap_pvt_thread_mutex_t sd_mutex;
77 ber_socket_t sd_nactives;
80 /* In winsock, accept() returns values higher than dtblsize
81 so don't bother with this optimization */
94 * SLP related functions
98 #define LDAP_SRVTYPE_PREFIX "service:ldap://"
99 #define LDAPS_SRVTYPE_PREFIX "service:ldaps://"
100 static char** slapd_srvurls = NULL;
101 static SLPHandle slapd_hslp = 0;
103 void slapd_slp_init( const char* urls ) {
106 slapd_srvurls = ldap_str2charray( urls, " " );
108 if( slapd_srvurls == NULL ) return;
110 /* find and expand INADDR_ANY URLs */
111 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
112 if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) {
113 char *host = ldap_pvt_get_fqdn( NULL );
114 if ( host != NULL ) {
115 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
117 sizeof( LDAP_SRVTYPE_PREFIX ) );
118 strcpy( lutil_strcopy(slapd_srvurls[i],
119 LDAP_SRVTYPE_PREFIX ), host );
124 } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) {
125 char *host = ldap_pvt_get_fqdn( NULL );
126 if ( host != NULL ) {
127 slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
129 sizeof( LDAPS_SRVTYPE_PREFIX ) );
130 strcpy( lutil_strcopy(slapd_srvurls[i],
131 LDAPS_SRVTYPE_PREFIX ), host );
138 /* open the SLP handle */
139 SLPOpen( "en", 0, &slapd_hslp );
142 void slapd_slp_deinit() {
143 if( slapd_srvurls == NULL ) return;
145 ldap_charray_free( slapd_srvurls );
146 slapd_srvurls = NULL;
148 /* close the SLP handle */
149 SLPClose( slapd_hslp );
152 void slapd_slp_regreport(
160 void slapd_slp_reg() {
163 if( slapd_srvurls == NULL ) return;
165 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
166 if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
167 sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
168 strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
169 sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
173 SLP_LIFETIME_MAXIMUM,
183 void slapd_slp_dereg() {
186 if( slapd_srvurls == NULL ) return;
188 for( i=0; slapd_srvurls[i] != NULL; i++ ) {
189 SLPDereg( slapd_hslp,
195 #endif /* HAVE_SLP */
198 * Add a descriptor to daemon control
200 static void slapd_add(ber_socket_t s) {
201 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
203 assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
204 assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
205 assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
208 if (s >= slap_daemon.sd_nfds) {
209 slap_daemon.sd_nfds = s + 1;
213 slap_daemon.sd_nactives++;
215 FD_SET( s, &slap_daemon.sd_actives );
216 FD_SET( s, &slap_daemon.sd_readers );
219 LDAP_LOG( CONNECTION, DETAIL1,
220 "slapd_add: added %ld%s%s\n", (long)s,
221 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
222 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
224 Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
226 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
227 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
229 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
233 * Remove the descriptor from daemon control
235 void slapd_remove(ber_socket_t s, int wake) {
236 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
238 slap_daemon.sd_nactives--;
241 LDAP_LOG( CONNECTION, DETAIL1,
242 "slapd_remove: removing %ld%s%s\n", (long) s,
243 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
244 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
246 Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
248 FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
249 FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
251 FD_CLR( s, &slap_daemon.sd_actives );
252 FD_CLR( s, &slap_daemon.sd_readers );
253 FD_CLR( s, &slap_daemon.sd_writers );
255 /* If we ran out of file descriptors, we dropped a listener from
256 * the select() loop. Now that we're removing a session from our
257 * control, we can try to resume a dropped listener to use.
261 for ( i = 0; slap_listeners[i] != NULL; i++ ) {
262 if ( slap_listeners[i]->sl_sd != AC_SOCKET_INVALID ) {
263 if ( slap_listeners[i]->sl_sd == s ) continue;
264 if ( slap_listeners[i]->sl_is_mute ) {
265 slap_listeners[i]->sl_is_mute = 0;
271 /* Walked the entire list without enabling anything; emfile
272 * counter is stale. Reset it.
274 if ( slap_listeners[i] == NULL )
277 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
278 WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
281 void slapd_clr_write(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 FD_CLR( s, &slap_daemon.sd_writers );
287 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
291 void slapd_set_write(ber_socket_t s, int wake) {
292 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
294 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
295 if (!FD_ISSET(s, &slap_daemon.sd_writers))
296 FD_SET( (unsigned) s, &slap_daemon.sd_writers );
298 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
302 void slapd_clr_read(ber_socket_t s, int wake) {
303 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
305 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
306 FD_CLR( s, &slap_daemon.sd_readers );
308 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
312 void slapd_set_read(ber_socket_t s, int wake) {
313 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
315 assert( FD_ISSET( s, &slap_daemon.sd_actives) );
316 if (!FD_ISSET(s, &slap_daemon.sd_readers))
317 FD_SET( s, &slap_daemon.sd_readers );
319 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
323 static void slapd_close(ber_socket_t s) {
325 LDAP_LOG( CONNECTION, DETAIL1, "slapd_close: closing %ld\n", (long)s, 0, 0);
327 Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
333 static void slap_free_listener_addresses(struct sockaddr **sal)
335 struct sockaddr **sap;
341 for (sap = sal; *sap != NULL; sap++) {
348 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
349 static int get_url_perms(
361 for ( i = 0; exts[ i ]; i++ ) {
362 char *type = exts[ i ];
365 if ( type[ 0 ] == '!' ) {
370 if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
372 + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
376 switch (strlen(value)) {
378 /* skip leading '0' */
379 if ( value[ 0 ] != '0' ) {
385 for ( j = 0; j < 3; j++) {
388 v = value[ j ] - '0';
390 if ( v < 0 || v > 7 ) {
399 for ( j = 1; j < 10; j++ ) {
400 static mode_t m[] = { 0,
401 S_IRUSR, S_IWUSR, S_IXUSR,
402 S_IRGRP, S_IWGRP, S_IXGRP,
403 S_IROTH, S_IWOTH, S_IXOTH
405 static char c[] = "-rwxrwxrwx";
407 if ( value[ j ] == c[ j ] ) {
410 } else if ( value[ j ] != '-' ) {
429 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
431 /* port = 0 indicates AF_LOCAL */
432 static int slap_get_listener_addresses(
435 struct sockaddr ***sal)
437 struct sockaddr **sap;
441 *sal = ch_malloc(2 * sizeof(void *));
447 *sap = ch_malloc(sizeof(struct sockaddr_un));
453 (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
455 LDAP_LOG( CONNECTION, INFO,
456 "slap_get_listener_addresses: domain socket path (%s) "
457 "too long in URL\n", host, 0, 0 );
459 Debug( LDAP_DEBUG_ANY,
460 "daemon: domain socket path (%s) too long in URL",
466 (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
467 (*sap)->sa_family = AF_LOCAL;
468 strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
472 #ifdef HAVE_GETADDRINFO
473 struct addrinfo hints, *res, *sai;
477 memset( &hints, '\0', sizeof(hints) );
478 hints.ai_flags = AI_PASSIVE;
479 hints.ai_socktype = SOCK_STREAM;
480 hints.ai_family = slap_inet4or6;
481 snprintf(serv, sizeof serv, "%d", port);
483 if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
485 LDAP_LOG( CONNECTION, INFO,
486 "slap_get_listener_addresses: getaddrinfo failed: %s\n",
487 AC_GAI_STRERROR(err), 0, 0 );
489 Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
490 AC_GAI_STRERROR(err), 0, 0);
496 for (n=2; (sai = sai->ai_next) != NULL; n++) {
499 *sal = ch_calloc(n, sizeof(void *));
507 for ( sai=res; sai; sai=sai->ai_next ) {
508 if( sai->ai_addr == NULL ) {
510 LDAP_LOG( CONNECTION, INFO,
511 "slap_get_listener_addresses: "
512 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
514 Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
515 "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
521 switch (sai->ai_family) {
522 # ifdef LDAP_PF_INET6
524 *sap = ch_malloc(sizeof(struct sockaddr_in6));
529 *(struct sockaddr_in6 *)*sap =
530 *((struct sockaddr_in6 *)sai->ai_addr);
534 *sap = ch_malloc(sizeof(struct sockaddr_in));
539 *(struct sockaddr_in *)*sap =
540 *((struct sockaddr_in *)sai->ai_addr);
548 (*sap)->sa_family = sai->ai_family;
558 struct hostent *he = NULL;
560 if ( host == NULL ) {
561 in.s_addr = htonl(INADDR_ANY);
563 } else if ( !inet_aton( host, &in ) ) {
564 he = gethostbyname( host );
567 LDAP_LOG( CONNECTION, INFO,
568 "slap_get_listener_addresses: invalid host %s\n", host, 0, 0 );
570 Debug( LDAP_DEBUG_ANY,
571 "daemon: invalid host %s", host, 0, 0);
575 for (n = 0; he->h_addr_list[n]; n++) ;
578 *sal = ch_malloc((n+1) * sizeof(void *));
584 for ( i = 0; i<n; i++ ) {
585 sap[i] = ch_malloc(sizeof(struct sockaddr_in));
589 (void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
590 sap[i]->sa_family = AF_INET;
591 ((struct sockaddr_in *)sap[i])->sin_port = htons(port);
593 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
595 AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
605 slap_free_listener_addresses(*sal);
609 static int slap_open_listener(
620 int err, addrlen = 0;
621 struct sockaddr **sal, **psal;
622 int socktype = SOCK_STREAM; /* default to COTS */
624 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
629 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
631 rc = ldap_url_parse( url, &lud );
633 if( rc != LDAP_URL_SUCCESS ) {
635 LDAP_LOG( CONNECTION, ERR,
636 "slap_open_listener: listen URL \"%s\" parse error %d\n",
639 Debug( LDAP_DEBUG_ANY,
640 "daemon: listen URL \"%s\" parse error=%d\n",
646 l.sl_url.bv_val = NULL;
650 if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
652 LDAP_LOG( CONNECTION, INFO,
653 "slap_open_listener: TLS is not supported (%s)\n", url, 0, 0 );
655 Debug( LDAP_DEBUG_ANY,
656 "daemon: TLS not supported (%s)\n",
659 ldap_free_urldesc( lud );
663 if(! lud->lud_port ) {
664 lud->lud_port = LDAP_PORT;
668 l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
670 if(! lud->lud_port ) {
671 lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
675 port = (unsigned short) lud->lud_port;
677 tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
678 if ( tmp == LDAP_PROTO_IPC ) {
680 if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
681 err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
683 err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
688 LDAP_LOG( CONNECTION, INFO,
689 "slap_open_listener: URL scheme is not supported: %s\n", url, 0, 0 );
691 Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
694 ldap_free_urldesc( lud );
698 if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
699 || strcmp(lud->lud_host, "*") == 0 )
701 err = slap_get_listener_addresses(NULL, port, &sal);
703 err = slap_get_listener_addresses(lud->lud_host, port, &sal);
706 #ifdef LDAP_CONNECTIONLESS
707 l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
710 #if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
711 if ( lud->lud_exts ) {
712 err = get_url_perms( lud->lud_exts, &l.sl_perms, &crit );
714 l.sl_perms = S_IRWXU | S_IRWXO;
716 #endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
718 ldap_free_urldesc( lud );
723 /* If we got more than one address returned, we need to make space
724 * for it in the slap_listeners array.
726 for ( num=0; sal[num]; num++ );
729 slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
733 while ( *sal != NULL ) {
735 switch( (*sal)->sa_family ) {
753 #ifdef LDAP_CONNECTIONLESS
754 if( l.sl_is_udp ) socktype = SOCK_DGRAM;
756 l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
757 if ( l.sl_sd == AC_SOCKET_INVALID ) {
758 int err = sock_errno();
760 LDAP_LOG( CONNECTION, ERR,
761 "slap_open_listener: %s socket() failed errno=%d (%s)\n",
762 af, err, sock_errstr(err) );
764 Debug( LDAP_DEBUG_ANY,
765 "daemon: %s socket() failed errno=%d (%s)\n",
766 af, err, sock_errstr(err) );
772 if ( l.sl_sd >= dtblsize ) {
774 LDAP_LOG( CONNECTION, ERR,
775 "slap_open_listener: listener descriptor %ld is too "
776 "great %ld\n", (long)l.sl_sd, (long)dtblsize, 0 );
778 Debug( LDAP_DEBUG_ANY,
779 "daemon: listener descriptor %ld is too great %ld\n",
780 (long) l.sl_sd, (long) dtblsize, 0 );
782 tcp_close( l.sl_sd );
788 if ( (*sal)->sa_family == AF_LOCAL ) {
789 unlink ( ((struct sockaddr_un *)*sal)->sun_path );
794 /* enable address reuse */
796 rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
797 (char *) &tmp, sizeof(tmp) );
798 if ( rc == AC_SOCKET_ERROR ) {
799 int err = sock_errno();
801 LDAP_LOG( CONNECTION, INFO,
802 "slap_open_listener: setsockopt( %ld, SO_REUSEADDR ) "
803 "failed errno %d (%s)\n", (long)l.sl_sd, err,
806 Debug( LDAP_DEBUG_ANY,
807 "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
808 (long) l.sl_sd, err, sock_errstr(err) );
814 switch( (*sal)->sa_family ) {
816 addrlen = sizeof(struct sockaddr_in);
821 /* Try to use IPv6 sockets for IPv6 only */
823 rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
824 (char *) &tmp, sizeof(tmp) );
825 if ( rc == AC_SOCKET_ERROR ) {
826 int err = sock_errno();
828 LDAP_LOG( CONNECTION, INFO,
829 "slap_open_listener: setsockopt( %ld, IPV6_V6ONLY ) failed errno %d (%s)\n",
830 (long)l.sl_sd, err, sock_errstr(err) );
832 Debug( LDAP_DEBUG_ANY,
833 "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
834 (long) l.sl_sd, err, sock_errstr(err) );
838 addrlen = sizeof(struct sockaddr_in6);
843 addrlen = sizeof(struct sockaddr_un);
848 if (bind(l.sl_sd, *sal, addrlen)) {
851 LDAP_LOG( CONNECTION, INFO,
852 "slap_open_listener: bind(%ld) failed errno=%d (%s)\n",
853 (long)l.sl_sd, err, sock_errstr(err) );
855 Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
856 (long) l.sl_sd, err, sock_errstr(err) );
858 tcp_close( l.sl_sd );
863 switch ( (*sal)->sa_family ) {
866 char *addr = ((struct sockaddr_un *)*sal)->sun_path;
867 #if 0 /* don't muck with socket perms */
868 if ( chmod( addr, l.sl_perms ) < 0 && crit ) {
869 int err = sock_errno();
871 LDAP_LOG( CONNECTION, INFO,
872 "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n",
873 (long)l.sl_sd, err, sock_errstr(err) );
875 Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
876 (long) l.sl_sd, err, sock_errstr(err) );
878 tcp_close( l.sl_sd );
879 slap_free_listener_addresses(psal);
883 l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
884 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
885 snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
888 #endif /* LDAP_PF_LOCAL */
892 #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
893 char addr[INET_ADDRSTRLEN];
894 inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
895 addr, sizeof(addr) );
898 s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
900 port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
901 l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
902 snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
904 s != NULL ? s : SLAP_STRING_UNKNOWN, port );
905 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
910 char addr[INET6_ADDRSTRLEN];
911 inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
913 port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
914 l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
915 l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
916 snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
918 l.sl_name.bv_len = strlen( l.sl_name.bv_val );
920 #endif /* LDAP_PF_INET6 */
924 LDAP_LOG( CONNECTION, INFO,
925 "slap_open_listener: unsupported address family (%d)\n",
926 (int)(*sal)->sa_family, 0, 0 );
928 Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
929 (int) (*sal)->sa_family, 0, 0 );
934 AC_MEMCPY(&l.sl_sa, *sal, addrlen);
935 ber_str2bv( url, 0, 1, &l.sl_url);
936 li = ch_malloc( sizeof( Listener ) );
938 slap_listeners[*cur] = li;
942 } /* while ( *sal != NULL ) */
944 slap_free_listener_addresses(psal);
946 if ( l.sl_url.bv_val == NULL )
949 LDAP_LOG( CONNECTION, RESULTS,
950 "slap_open_listener: failed on %s\n", url, 0, 0 );
952 Debug( LDAP_DEBUG_TRACE,
953 "slap_open_listener: failed on %s\n", url, 0, 0 );
959 LDAP_LOG( CONNECTION, RESULTS,
960 "slap_open_listener: daemon initialized %s\n",
961 l.sl_url.bv_val, 0, 0 );
963 Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
964 l.sl_url.bv_val, 0, 0 );
969 static int sockinit(void);
970 static int sockdestroy(void);
972 int slapd_daemon_init( const char *urls )
978 LDAP_LOG( CONNECTION, ARGS,
979 "slapd_daemon_init: %s\n", urls ? urls : "<null>", 0, 0 );
981 Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
982 urls ? urls : "<null>", 0, 0 );
984 if( (rc = sockinit()) != 0 ) {
989 dtblsize = sysconf( _SC_OPEN_MAX );
990 #elif HAVE_GETDTABLESIZE
991 dtblsize = getdtablesize();
993 dtblsize = FD_SETSIZE;
997 if(dtblsize > FD_SETSIZE) {
998 dtblsize = FD_SETSIZE;
1000 #endif /* !FD_SETSIZE */
1002 /* open a pipe (or something equivalent connected to itself).
1003 * we write a byte on this fd whenever we catch a signal. The main
1004 * loop will be select'ing on this socket, and will wake up when
1005 * this byte arrives.
1007 if( (rc = lutil_pair( wake_sds )) < 0 ) {
1009 LDAP_LOG( CONNECTION, ERR,
1010 "slap_daemon_init: lutil_pair() failed rc=%d\n", rc, 0, 0);
1012 Debug( LDAP_DEBUG_ANY,
1013 "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
1018 FD_ZERO( &slap_daemon.sd_readers );
1019 FD_ZERO( &slap_daemon.sd_writers );
1021 if( urls == NULL ) {
1025 u = ldap_str2charray( urls, " " );
1027 if( u == NULL || u[0] == NULL ) {
1029 LDAP_LOG( CONNECTION, ERR,
1030 "slap_daemon_init: no urls (%s) provided.\n", urls, 0, 0 );
1032 Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
1038 for( i=0; u[i] != NULL; i++ ) {
1040 LDAP_LOG( CONNECTION, DETAIL1,
1041 "slap_daemon_init: listen on %s\n", u[i], 0, 0 );
1043 Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
1050 LDAP_LOG( CONNECTION, INFO,
1051 "slap_daemon_init: no listeners to open (%s)\n", urls, 0, 0 );
1053 Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
1056 ldap_charray_free( u );
1061 LDAP_LOG( CONNECTION, INFO,
1062 "slap_daemon_init: %d listeners to open...\n", i, 0, 0 );
1064 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
1067 slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
1069 for(n = 0, j = 0; u[n]; n++ ) {
1070 if ( slap_open_listener( u[n], &i, &j ) ) {
1071 ldap_charray_free( u );
1075 slap_listeners[j] = NULL;
1078 LDAP_LOG( CONNECTION, DETAIL1,
1079 "slap_daemon_init: %d listeners opened\n", i, 0, 0 );
1081 Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
1086 slapd_slp_init( urls );
1090 ldap_charray_free( u );
1091 ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
1097 slapd_daemon_destroy(void)
1099 connections_destroy();
1100 tcp_close( wake_sds[1] );
1101 tcp_close( wake_sds[0] );
1120 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1121 if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
1123 slapd_remove( slap_listeners[l]->sl_sd, 0 );
1124 #ifdef LDAP_PF_LOCAL
1125 if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
1126 unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
1128 #endif /* LDAP_PF_LOCAL */
1129 slapd_close( slap_listeners[l]->sl_sd );
1131 if ( slap_listeners[l]->sl_url.bv_val )
1132 ber_memfree( slap_listeners[l]->sl_url.bv_val );
1133 if ( slap_listeners[l]->sl_name.bv_val )
1134 ber_memfree( slap_listeners[l]->sl_name.bv_val );
1135 free ( slap_listeners[l] );
1136 slap_listeners[l] = NULL;
1147 time_t last_idle_check = 0;
1148 struct timeval idle;
1150 #define SLAPD_IDLE_CHECK_LIMIT 4
1152 if ( global_idletimeout > 0 ) {
1153 last_idle_check = slap_get_time();
1154 /* Set the select timeout.
1155 * Don't just truncate, preserve the fractions of
1156 * seconds to prevent sleeping for zero time.
1158 idle.tv_sec = global_idletimeout/SLAPD_IDLE_CHECK_LIMIT;
1159 idle.tv_usec = global_idletimeout - idle.tv_sec * SLAPD_IDLE_CHECK_LIMIT;
1160 idle.tv_usec *= 1000000 / SLAPD_IDLE_CHECK_LIMIT;
1166 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1167 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1169 #ifdef LDAP_CONNECTIONLESS
1170 /* Since this is connectionless, the data port is the
1171 * listening port. The listen() and accept() calls
1174 if ( slap_listeners[l]->sl_is_udp ) {
1175 slapd_add( slap_listeners[l]->sl_sd );
1180 if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
1181 int err = sock_errno();
1183 #ifdef LDAP_PF_INET6
1184 /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
1185 * we are already listening to in6addr_any, then we want to ignore
1186 * this and continue.
1188 if ( err == EADDRINUSE ) {
1190 struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
1191 struct sockaddr_in6 sa6;
1193 if ( sa.sin_family == AF_INET &&
1194 sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
1195 for ( i = 0 ; i < l; i++ ) {
1196 sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
1197 if ( sa6.sin6_family == AF_INET6 &&
1198 !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
1203 /* We are already listening to in6addr_any */
1205 LDAP_LOG(CONNECTION, WARNING,
1206 "slapd_daemon_task: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n", 0, 0, 0 );
1208 Debug( LDAP_DEBUG_CONNS,
1209 "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
1212 slapd_close( slap_listeners[l]->sl_sd );
1213 slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
1220 LDAP_LOG( CONNECTION, ERR,
1221 "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n",
1222 slap_listeners[l]->sl_url.bv_val, err, sock_errstr(err) );
1224 Debug( LDAP_DEBUG_ANY,
1225 "daemon: listen(%s, 5) failed errno=%d (%s)\n",
1226 slap_listeners[l]->sl_url.bv_val, err,
1229 return( (void*)-1 );
1232 slapd_add( slap_listeners[l]->sl_sd );
1235 #ifdef HAVE_NT_SERVICE_MANAGER
1236 if ( started_event != NULL ) {
1237 ldap_pvt_thread_cond_signal( &started_event );
1240 /* initialization complete. Here comes the loop. */
1242 while ( !slapd_shutdown ) {
1247 #define SLAPD_EBADF_LIMIT 16
1257 struct timeval *tvp;
1259 #ifdef LDAP_SYNCREPL
1260 struct timeval *cat;
1264 now = slap_get_time();
1266 if( ( global_idletimeout > 0 ) &&
1267 difftime( last_idle_check +
1268 global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
1269 connections_timeout_idle( now );
1270 last_idle_check = now;
1275 if( slapd_gentle_shutdown ) {
1276 ber_socket_t active;
1278 if( slapd_gentle_shutdown == 1 ) {
1279 Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
1280 close_listeners( 1 );
1281 global_restrictops |= SLAP_RESTRICT_OP_WRITES;
1282 slapd_gentle_shutdown = 2;
1285 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1286 active = slap_daemon.sd_nactives;
1287 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1295 FD_ZERO( &writefds );
1296 FD_ZERO( &readfds );
1300 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1302 #ifdef FD_SET_MANUAL_COPY
1303 for( s = 0; s < nfds; s++ ) {
1304 if(FD_ISSET( &slap_sd_readers, s )) {
1305 FD_SET( s, &readfds );
1307 if(FD_ISSET( &slap_sd_writers, s )) {
1308 FD_SET( s, &writefds );
1312 AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
1313 AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
1315 assert(!FD_ISSET(wake_sds[0], &readfds));
1316 FD_SET( wake_sds[0], &readfds );
1318 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1319 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1321 if ( slap_listeners[l]->sl_is_mute )
1322 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1324 if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
1325 FD_SET( slap_listeners[l]->sl_sd, &readfds );
1328 #ifndef HAVE_WINSOCK
1329 nfds = slap_daemon.sd_nfds;
1333 if ( global_idletimeout && slap_daemon.sd_nactives )
1336 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1339 at = ldap_pvt_thread_pool_backload(&connection_pool) -
1340 ldap_pvt_runqueue_persistent_backload( &syncrepl_rq );
1344 #if defined(HAVE_YIELDING_SELECT) || defined(NO_THREADS)
1345 && ( tv.tv_sec || tv.tv_usec )
1352 #ifdef LDAP_SYNCREPL
1353 ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
1354 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1355 while ( cat && cat->tv_sec && cat->tv_sec <= now ) {
1356 if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
1357 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask );
1359 ldap_pvt_runqueue_runtask( &syncrepl_rq, rtask );
1360 ldap_pvt_runqueue_resched( &syncrepl_rq, rtask );
1361 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
1362 ldap_pvt_thread_pool_submit( &connection_pool,
1363 rtask->routine, (void *) rtask );
1365 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1367 rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
1368 ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
1370 if ( cat != NULL ) {
1371 time_t diff = difftime( cat->tv_sec, now );
1374 if ( tvp == NULL || diff < tv.tv_sec ) {
1382 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1383 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ||
1384 slap_listeners[l]->sl_is_mute )
1388 LDAP_LOG( CONNECTION, DETAIL1,
1389 "slapd_daemon_task: select: listen=%d "
1390 "active_threads=%d tvp=%s\n",
1391 slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" );
1393 Debug( LDAP_DEBUG_CONNS,
1394 "daemon: select: listen=%d active_threads=%d tvp=%s\n",
1395 slap_listeners[l]->sl_sd, at,
1396 tvp == NULL ? "NULL" : "zero" );
1400 switch(ns = select( nfds, &readfds,
1402 /* don't pass empty fd_set */
1403 ( writefds.fd_count > 0 ? &writefds : NULL ),
1409 case -1: { /* failure - try again */
1410 int err = sock_errno();
1414 /* you'd think this would be EBADF */
1415 || err == WSAENOTSOCK
1418 if (++ebadf < SLAPD_EBADF_LIMIT)
1422 if( err != EINTR ) {
1424 LDAP_LOG( CONNECTION, INFO,
1425 "slapd_daemon_task: select failed (%d): %s\n",
1426 err, sock_errstr(err), 0 );
1428 Debug( LDAP_DEBUG_CONNS,
1429 "daemon: select failed (%d): %s\n",
1430 err, sock_errstr(err), 0 );
1437 case 0: /* timeout - let threads run */
1440 LDAP_LOG( CONNECTION, DETAIL2,
1441 "slapd_daemon_task: select timeout - yielding\n", 0, 0, 0 );
1443 Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
1447 ldap_pvt_thread_yield();
1450 default: /* something happened - deal with it */
1451 if( slapd_shutdown ) continue;
1455 LDAP_LOG( CONNECTION, DETAIL2,
1456 "slapd_daemon_task: activity on %d descriptors\n", ns, 0, 0 );
1458 Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
1464 if( FD_ISSET( wake_sds[0], &readfds ) ) {
1466 tcp_read( wake_sds[0], c, sizeof(c) );
1467 #if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
1473 for ( l = 0; slap_listeners[l] != NULL; l++ ) {
1475 socklen_t len = sizeof(from);
1478 char *authid = NULL;
1479 #ifdef SLAPD_RLOOKUPS
1480 char hbuf[NI_MAXHOST];
1483 char *dnsname = NULL;
1484 char *peeraddr = NULL;
1485 #ifdef LDAP_PF_LOCAL
1486 char peername[MAXPATHLEN + sizeof("PATH=")];
1487 #elif defined(LDAP_PF_INET6)
1488 char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
1490 char peername[sizeof("IP=255.255.255.255:65336")];
1491 #endif /* LDAP_PF_LOCAL */
1495 if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
1498 if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
1501 #ifdef LDAP_CONNECTIONLESS
1502 if ( slap_listeners[l]->sl_is_udp ) {
1503 /* The first time we receive a query, we set this
1504 * up as a "connection". It remains open for the life
1507 if ( slap_listeners[l]->sl_is_udp < 2 ) {
1508 id = connection_init(
1509 slap_listeners[l]->sl_sd,
1510 slap_listeners[l], "", "",
1512 slap_listeners[l]->sl_is_udp++;
1518 /* Don't need to look at this in the data loops */
1519 FD_CLR( slap_listeners[l]->sl_sd, &readfds );
1520 FD_CLR( slap_listeners[l]->sl_sd, &writefds );
1522 s = accept( slap_listeners[l]->sl_sd,
1523 (struct sockaddr *) &from, &len );
1524 if ( s == AC_SOCKET_INVALID ) {
1525 int err = sock_errno();
1536 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1538 /* Stop listening until an existing session closes */
1539 slap_listeners[l]->sl_is_mute = 1;
1540 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1544 LDAP_LOG( CONNECTION, ERR,
1545 "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n",
1546 (long)slap_listeners[l]->sl_sd,
1547 err, sock_errstr(err) );
1549 Debug( LDAP_DEBUG_ANY,
1550 "daemon: accept(%ld) failed errno=%d (%s)\n",
1551 (long) slap_listeners[l]->sl_sd, err,
1554 ldap_pvt_thread_yield();
1558 #ifndef HAVE_WINSOCK
1559 /* make sure descriptor number isn't too great */
1560 if ( s >= dtblsize ) {
1562 LDAP_LOG( CONNECTION, ERR,
1563 "slapd_daemon_task: %ld beyond descriptor table size %ld\n",
1564 (long)s, (long)dtblsize, 0 );
1566 Debug( LDAP_DEBUG_ANY,
1567 "daemon: %ld beyond descriptor table size %ld\n",
1568 (long) s, (long) dtblsize, 0 );
1572 ldap_pvt_thread_yield();
1578 ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
1580 /* newly accepted stream should not be in any of the FD SETS */
1581 assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
1582 assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
1583 assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
1585 ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
1588 #if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
1589 #ifdef LDAP_PF_LOCAL
1590 /* for IPv4 and IPv6 sockets only */
1591 if ( from.sa_addr.sa_family != AF_LOCAL )
1592 #endif /* LDAP_PF_LOCAL */
1597 /* enable keep alives */
1599 rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
1600 (char *) &tmp, sizeof(tmp) );
1601 if ( rc == AC_SOCKET_ERROR ) {
1602 int err = sock_errno();
1604 LDAP_LOG( CONNECTION, ERR,
1605 "slapd_daemon_task: setsockopt( %ld, SO_KEEPALIVE)"
1606 " failed errno=%d (%s)\n",
1607 (long)s, err, sock_errstr(err) );
1609 Debug( LDAP_DEBUG_ANY,
1610 "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
1611 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1616 /* enable no delay */
1618 rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
1619 (char *)&tmp, sizeof(tmp) );
1620 if ( rc == AC_SOCKET_ERROR ) {
1621 int err = sock_errno();
1623 LDAP_LOG( CONNECTION, ERR,
1624 "slapd_daemon_task: setsockopt( %ld, "
1625 "TCP_NODELAY) failed errno=%d (%s)\n",
1626 (long)s, err, sock_errstr(err) );
1628 Debug( LDAP_DEBUG_ANY,
1629 "slapd(%ld): setsockopt(TCP_NODELAY) failed "
1630 "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
1638 LDAP_LOG( CONNECTION, DETAIL1,
1639 "slapd_daemon_task: new connection on %ld\n", (long)s, 0, 0 );
1641 Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
1644 switch ( from.sa_addr.sa_family ) {
1645 # ifdef LDAP_PF_LOCAL
1647 sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
1648 ssf = LDAP_PVT_SASL_LOCAL_SSF;
1653 if( getpeereid( s, &uid, &gid ) == 0 ) {
1655 sizeof("uidnumber=4294967295+gidnumber=4294967295,"
1656 "cn=peercred,cn=external,cn=auth"));
1657 sprintf(authid, "uidnumber=%d+gidnumber=%d,"
1658 "cn=peercred,cn=external,cn=auth",
1659 (int) uid, (int) gid);
1664 #endif /* LDAP_PF_LOCAL */
1666 # ifdef LDAP_PF_INET6
1668 if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
1669 peeraddr = inet_ntoa( *((struct in_addr *)
1670 &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
1671 sprintf( peername, "IP=%s:%d",
1672 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1673 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1675 char addr[INET6_ADDRSTRLEN];
1677 peeraddr = (char *) inet_ntop( AF_INET6,
1678 &from.sa_in6_addr.sin6_addr,
1679 addr, sizeof addr );
1680 sprintf( peername, "IP=%s %d",
1681 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1682 (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
1685 # endif /* LDAP_PF_INET6 */
1688 peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
1689 sprintf( peername, "IP=%s:%d",
1690 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1691 (unsigned) ntohs( from.sa_in_addr.sin_port ) );
1699 if ( ( from.sa_addr.sa_family == AF_INET )
1700 #ifdef LDAP_PF_INET6
1701 || ( from.sa_addr.sa_family == AF_INET6 )
1704 #ifdef SLAPD_RLOOKUPS
1705 if ( use_reverse_lookup ) {
1707 if (ldap_pvt_get_hname( (const struct sockaddr *)&from, len, hbuf,
1708 sizeof(hbuf), &herr ) == 0) {
1709 ldap_pvt_str2lower( hbuf );
1715 #endif /* SLAPD_RLOOKUPS */
1718 if ( !hosts_ctl("slapd",
1719 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1720 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1721 SLAP_STRING_UNKNOWN ))
1724 Statslog( LDAP_DEBUG_STATS,
1725 "fd=%ld DENIED from %s (%s)\n",
1727 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1728 peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
1733 #endif /* HAVE_TCPD */
1736 id = connection_init(s,
1738 dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
1741 slap_listeners[l]->sl_is_tls,
1748 if( authid ) ch_free(authid);
1752 LDAP_LOG( CONNECTION, INFO,
1753 "slapd_daemon_task: "
1754 "connection_init(%ld, %s, %s) "
1757 slap_listeners[l]->sl_name.bv_val );
1759 Debug( LDAP_DEBUG_ANY,
1760 "daemon: connection_init(%ld, %s, %s) "
1764 slap_listeners[l]->sl_name.bv_val );
1770 Statslog( LDAP_DEBUG_STATS,
1771 "conn=%ld fd=%ld ACCEPT from %s (%s)\n",
1774 slap_listeners[l]->sl_name.bv_val,
1783 LDAP_LOG( CONNECTION, DETAIL2,
1784 "slapd_daemon_task: activity on ", 0, 0, 0 );
1786 Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
1789 for ( i = 0; i < readfds.fd_count; i++ ) {
1791 LDAP_LOG( CONNECTION, DETAIL2,
1792 " %d%s", readfds.fd_array[i], "r", 0, 0 );
1794 Debug( LDAP_DEBUG_CONNS, " %d%s",
1795 readfds.fd_array[i], "r", 0 );
1798 for ( i = 0; i < writefds.fd_count; i++ ) {
1800 LDAP_LOG( CONNECTION, DETAIL2,
1801 " %d%s", writefds.fd_array[i], "w" , 0 );
1803 Debug( LDAP_DEBUG_CONNS, " %d%s",
1804 writefds.fd_array[i], "w", 0 );
1809 for ( i = 0; i < nfds; i++ ) {
1812 r = FD_ISSET( i, &readfds );
1813 w = FD_ISSET( i, &writefds );
1816 LDAP_LOG( CONNECTION, DETAIL2,
1817 " %d%s%s", i, r ? "r" : "", w ? "w" : "" );
1819 Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
1820 r ? "r" : "", w ? "w" : "" );
1826 LDAP_LOG( CONNECTION, DETAIL2, "\n", 0, 0, 0 );
1828 Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
1833 /* loop through the writers */
1835 for ( i = 0; i < writefds.fd_count; i++ )
1837 for ( i = 0; i < nfds; i++ )
1842 wd = writefds.fd_array[i];
1844 if( ! FD_ISSET( i, &writefds ) ) {
1851 LDAP_LOG( CONNECTION, DETAIL2,
1852 "slapd_daemon_task: write active on %d\n", wd, 0, 0 );
1854 Debug( LDAP_DEBUG_CONNS,
1855 "daemon: write active on %d\n",
1859 * NOTE: it is possible that the connection was closed
1860 * and that the stream is now inactive.
1861 * connection_write() must valid the stream is still
1865 if ( connection_write( wd ) < 0 ) {
1866 FD_CLR( (unsigned) wd, &readfds );
1872 for ( i = 0; i < readfds.fd_count; i++ )
1874 for ( i = 0; i < nfds; i++ )
1879 rd = readfds.fd_array[i];
1881 if( ! FD_ISSET( i, &readfds ) ) {
1888 LDAP_LOG( CONNECTION, DETAIL2,
1889 "slapd_daemon_task: read activity on %d\n", rd, 0, 0 );
1891 Debug ( LDAP_DEBUG_CONNS,
1892 "daemon: read activity on %d\n", rd, 0, 0 );
1895 * NOTE: it is possible that the connection was closed
1896 * and that the stream is now inactive.
1897 * connection_read() must valid the stream is still
1901 if ( connection_read( rd ) < 0 ) {
1905 ldap_pvt_thread_yield();
1908 if( slapd_shutdown == 1 ) {
1910 LDAP_LOG( CONNECTION, CRIT,
1911 "slapd_daemon_task: shutdown requested and initiated.\n", 0, 0, 0 );
1913 Debug( LDAP_DEBUG_TRACE,
1914 "daemon: shutdown requested and initiated.\n",
1918 } else if ( slapd_shutdown == 2 ) {
1919 #ifdef HAVE_NT_SERVICE_MANAGER
1921 LDAP_LOG( CONNECTION, CRIT,
1922 "slapd_daemon_task: shutdown initiated by Service Manager.\n",
1925 Debug( LDAP_DEBUG_TRACE,
1926 "daemon: shutdown initiated by Service Manager.\n",
1929 #else /* !HAVE_NT_SERVICE_MANAGER */
1931 LDAP_LOG( CONNECTION, CRIT,
1932 "slapd_daemon_task: abnormal condition, "
1933 "shutdown initiated.\n", 0, 0, 0 );
1935 Debug( LDAP_DEBUG_TRACE,
1936 "daemon: abnormal condition, shutdown initiated.\n",
1939 #endif /* !HAVE_NT_SERVICE_MANAGER */
1942 LDAP_LOG( CONNECTION, CRIT,
1943 "slapd_daemon_task: no active streams, shutdown initiated.\n",
1946 Debug( LDAP_DEBUG_TRACE,
1947 "daemon: no active streams, shutdown initiated.\n",
1952 if( slapd_gentle_shutdown != 2 ) {
1953 close_listeners ( 0 );
1956 free ( slap_listeners );
1957 slap_listeners = NULL;
1959 if( !slapd_gentle_shutdown ) {
1960 connections_shutdown();
1964 LDAP_LOG( CONNECTION, CRIT,
1965 "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n",
1966 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1968 Debug( LDAP_DEBUG_ANY,
1969 "slapd shutdown: waiting for %d threads to terminate\n",
1970 ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
1972 ldap_pvt_thread_pool_destroy(&connection_pool, 1);
1978 int slapd_daemon( void )
1984 #define SLAPD_LISTENER_THREAD 1
1985 #if defined( SLAPD_LISTENER_THREAD )
1987 ldap_pvt_thread_t listener_tid;
1989 /* listener as a separate THREAD */
1990 rc = ldap_pvt_thread_create( &listener_tid,
1991 0, slapd_daemon_task, NULL );
1995 LDAP_LOG( CONNECTION, ERR,
1996 "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n",
1999 Debug( LDAP_DEBUG_ANY,
2000 "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
2005 /* wait for the listener thread to complete */
2006 ldap_pvt_thread_join( listener_tid, (void *) NULL );
2009 /* experimental code */
2010 slapd_daemon_task( NULL );
2019 #if defined( HAVE_WINSOCK2 )
2020 WORD wVersionRequested;
2024 wVersionRequested = MAKEWORD( 2, 0 );
2026 err = WSAStartup( wVersionRequested, &wsaData );
2028 /* Tell the user that we couldn't find a usable */
2033 /* Confirm that the WinSock DLL supports 2.0.*/
2034 /* Note that if the DLL supports versions greater */
2035 /* than 2.0 in addition to 2.0, it will still return */
2036 /* 2.0 in wVersion since that is the version we */
2039 if ( LOBYTE( wsaData.wVersion ) != 2 ||
2040 HIBYTE( wsaData.wVersion ) != 0 )
2042 /* Tell the user that we couldn't find a usable */
2048 /* The WinSock DLL is acceptable. Proceed. */
2049 #elif defined( HAVE_WINSOCK )
2051 if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
2058 int sockdestroy(void)
2060 #if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
2067 slap_sig_shutdown( int sig )
2071 LDAP_LOG( CONNECTION, CRIT,
2072 "slap_sig_shutdown: signal %d\n", sig, 0, 0 );
2074 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
2079 * If the NT Service Manager is controlling the server, we don't
2080 * want SIGBREAK to kill the server. For some strange reason,
2081 * SIGBREAK is generated when a user logs out.
2085 #if HAVE_NT_SERVICE_MANAGER && SIGBREAK
2086 if (is_NT_Service && sig == SIGBREAK)
2088 LDAP_LOG( CONNECTION, CRIT,
2089 "slap_sig_shutdown: SIGBREAK ignored.\n", 0, 0, 0 );
2091 Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
2098 if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
2099 slapd_gentle_shutdown = 1;
2106 /* reinstall self */
2107 (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
2111 slap_sig_wake( int sig )
2115 /* reinstall self */
2116 (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
2120 void slapd_add_internal(ber_socket_t s) {
2124 Listener ** slapd_get_listeners(void) {
2125 return slap_listeners;