-/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2004 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
*/
#include "portable.h"
#include <ac/ctype.h>
#include <ac/errno.h>
-#include <ac/signal.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include <ac/unistd.h>
-#include "ldap_pvt.h"
-#include "ldap_defaults.h"
#include "slap.h"
+#include "ldap_pvt_thread.h"
+#include "lutil.h"
+
+#include "ldap_rq.h"
#ifdef HAVE_TCPD
#include <tcpd.h>
+#define SLAP_STRING_UNKNOWN STRING_UNKNOWN
int allow_severity = LOG_INFO;
int deny_severity = LOG_NOTICE;
-#endif /* TCP Wrappers */
+#else /* ! TCP Wrappers */
+#define SLAP_STRING_UNKNOWN "unknown"
+#endif /* ! TCP Wrappers */
+
+#ifdef LDAP_PF_LOCAL
+#include <sys/stat.h>
+/* this should go in <ldap.h> as soon as it is accepted */
+#define LDAPI_MOD_URLEXT "x-mod"
+#endif /* LDAP_PF_LOCAL */
+
+#ifdef LDAP_PF_INET6
+int slap_inet4or6 = AF_UNSPEC;
+#else
+int slap_inet4or6 = AF_INET;
+#endif
/* globals */
time_t starttime;
ber_socket_t dtblsize;
-
-typedef struct slap_listener {
- char* sl_url;
- char* sl_name;
-#ifdef HAVE_TLS
- int sl_is_tls;
-#endif
- ber_socket_t sl_sd;
- struct sockaddr_in sl_addr;
-} Listener;
+slap_ssf_t local_ssf = LDAP_PVT_SASL_LOCAL_SSF;
Listener **slap_listeners = NULL;
-#ifdef HAVE_WINSOCK2
-/* in nt_main.c */
-extern ldap_pvt_thread_cond_t started_event;
+#define SLAPD_LISTEN 10
-/* forward reference */
-static void hit_socket(void);
-/* In wsa_err.c */
-char *WSAGetLastErrorString();
-static ldap_pvt_thread_t hit_tid;
+static ber_socket_t wake_sds[2];
+static int emfile;
+#if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
+static int waking;
#define WAKE_LISTENER(w) \
-do {\
- if( w ) {\
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );\
- hit_socket(); \
- }\
-} while(0)
+((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
#else
#define WAKE_LISTENER(w) \
-do {\
- if( w ) {\
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );\
- }\
-} while(0)
+do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
#endif
-#ifndef HAVE_WINSOCK
-static
-#endif
-volatile sig_atomic_t slapd_shutdown = 0;
-static int sel_exit_fd;
-
-static ldap_pvt_thread_t listener_tid;
-static volatile sig_atomic_t slapd_listener = 0;
+volatile sig_atomic_t slapd_shutdown = 0, slapd_gentle_shutdown = 0;
+volatile sig_atomic_t slapd_abrupt_shutdown = 0;
static struct slap_daemon {
ldap_pvt_thread_mutex_t sd_mutex;
- int sd_nactives;
+ ber_socket_t sd_nactives;
#ifndef HAVE_WINSOCK
/* In winsock, accept() returns values higher than dtblsize
fd_set sd_actives;
fd_set sd_readers;
fd_set sd_writers;
-} slap_daemon;
+} slap_daemon;
+
+
+
+#ifdef HAVE_SLP
+/*
+ * SLP related functions
+ */
+#include <slp.h>
+
+#define LDAP_SRVTYPE_PREFIX "service:ldap://"
+#define LDAPS_SRVTYPE_PREFIX "service:ldaps://"
+static char** slapd_srvurls = NULL;
+static SLPHandle slapd_hslp = 0;
+int slapd_register_slp = 0;
+
+void slapd_slp_init( const char* urls ) {
+ int i;
+
+ slapd_srvurls = ldap_str2charray( urls, " " );
+
+ if( slapd_srvurls == NULL ) return;
+
+ /* find and expand INADDR_ANY URLs */
+ for( i=0; slapd_srvurls[i] != NULL; i++ ) {
+ if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) {
+ char *host = ldap_pvt_get_fqdn( NULL );
+ if ( host != NULL ) {
+ slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
+ strlen( host ) +
+ sizeof( LDAP_SRVTYPE_PREFIX ) );
+ strcpy( lutil_strcopy(slapd_srvurls[i],
+ LDAP_SRVTYPE_PREFIX ), host );
+
+ ch_free( host );
+ }
+
+ } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) {
+ char *host = ldap_pvt_get_fqdn( NULL );
+ if ( host != NULL ) {
+ slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
+ strlen( host ) +
+ sizeof( LDAPS_SRVTYPE_PREFIX ) );
+ strcpy( lutil_strcopy(slapd_srvurls[i],
+ LDAPS_SRVTYPE_PREFIX ), host );
+
+ ch_free( host );
+ }
+ }
+ }
+
+ /* open the SLP handle */
+ SLPOpen( "en", 0, &slapd_hslp );
+}
+
+void slapd_slp_deinit() {
+ if( slapd_srvurls == NULL ) return;
+
+ ldap_charray_free( slapd_srvurls );
+ slapd_srvurls = NULL;
+
+ /* close the SLP handle */
+ SLPClose( slapd_hslp );
+}
+
+void slapd_slp_regreport(
+ SLPHandle hslp,
+ SLPError errcode,
+ void* cookie )
+{
+ /* empty report */
+}
+
+void slapd_slp_reg() {
+ int i;
+
+ if( slapd_srvurls == NULL ) return;
+
+ for( i=0; slapd_srvurls[i] != NULL; i++ ) {
+ if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
+ sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
+ strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
+ sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
+ {
+ SLPReg( slapd_hslp,
+ slapd_srvurls[i],
+ SLP_LIFETIME_MAXIMUM,
+ "ldap",
+ "",
+ 1,
+ slapd_slp_regreport,
+ NULL );
+ }
+ }
+}
+
+void slapd_slp_dereg() {
+ int i;
+
+ if( slapd_srvurls == NULL ) return;
+
+ for( i=0; slapd_srvurls[i] != NULL; i++ ) {
+ SLPDereg( slapd_hslp,
+ slapd_srvurls[i],
+ slapd_slp_regreport,
+ NULL );
+ }
+}
+#endif /* HAVE_SLP */
/*
* Add a descriptor to daemon control
+ *
+ * If isactive, the descriptor is a live server session and is subject
+ * to idletimeout control. Otherwise, the descriptor is a passive
+ * listener or an outbound client session, and not subject to
+ * idletimeout.
*/
-static void slapd_add(ber_socket_t s) {
+static void slapd_add(ber_socket_t s, int isactive) {
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
}
#endif
+ if ( isactive ) {
+ slap_daemon.sd_nactives++;
+ }
+
FD_SET( s, &slap_daemon.sd_actives );
FD_SET( s, &slap_daemon.sd_readers );
(long) s,
FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
-
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
}
/*
* Remove the descriptor from daemon control
*/
-void slapd_remove(ber_socket_t s, int wake) {
+void slapd_remove(ber_socket_t s, int wasactive, int wake) {
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
- WAKE_LISTENER(wake);
+
+ if ( wasactive ) {
+ slap_daemon.sd_nactives--;
+ }
Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
(long) s,
FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
-
FD_CLR( s, &slap_daemon.sd_actives );
FD_CLR( s, &slap_daemon.sd_readers );
FD_CLR( s, &slap_daemon.sd_writers );
+ /* If we ran out of file descriptors, we dropped a listener from
+ * the select() loop. Now that we're removing a session from our
+ * control, we can try to resume a dropped listener to use.
+ */
+ if ( emfile ) {
+ int i;
+ for ( i = 0; slap_listeners[i] != NULL; i++ ) {
+ if ( slap_listeners[i]->sl_sd != AC_SOCKET_INVALID ) {
+ if ( slap_listeners[i]->sl_sd == s ) continue;
+ if ( slap_listeners[i]->sl_is_mute ) {
+ slap_listeners[i]->sl_is_mute = 0;
+ emfile--;
+ break;
+ }
+ }
+ }
+ /* Walked the entire list without enabling anything; emfile
+ * counter is stale. Reset it.
+ */
+ if ( slap_listeners[i] == NULL )
+ emfile = 0;
+ }
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+ WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
}
void slapd_clr_write(ber_socket_t s, int wake) {
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
- WAKE_LISTENER(wake);
assert( FD_ISSET( s, &slap_daemon.sd_actives) );
FD_CLR( s, &slap_daemon.sd_writers );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
-
- if( wake ) {
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
- }
+ WAKE_LISTENER(wake);
}
void slapd_set_write(ber_socket_t s, int wake) {
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
- WAKE_LISTENER(wake);
assert( FD_ISSET( s, &slap_daemon.sd_actives) );
- FD_SET( (unsigned) s, &slap_daemon.sd_writers );
+ if (!FD_ISSET(s, &slap_daemon.sd_writers))
+ FD_SET( (unsigned) s, &slap_daemon.sd_writers );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
-
- if( wake ) {
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
- }
+ WAKE_LISTENER(wake);
}
void slapd_clr_read(ber_socket_t s, int wake) {
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
- WAKE_LISTENER(wake);
assert( FD_ISSET( s, &slap_daemon.sd_actives) );
FD_CLR( s, &slap_daemon.sd_readers );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
-
- if( wake ) {
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
- }
+ WAKE_LISTENER(wake);
}
void slapd_set_read(ber_socket_t s, int wake) {
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
- WAKE_LISTENER(wake);
assert( FD_ISSET( s, &slap_daemon.sd_actives) );
- FD_SET( s, &slap_daemon.sd_readers );
+ if (!FD_ISSET(s, &slap_daemon.sd_readers))
+ FD_SET( s, &slap_daemon.sd_readers );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
-
- if( wake ) {
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
- }
+ WAKE_LISTENER(wake);
}
static void slapd_close(ber_socket_t s) {
tcp_close(s);
}
+static void slap_free_listener_addresses(struct sockaddr **sal)
+{
+ struct sockaddr **sap;
+
+ if (sal == NULL) {
+ return;
+ }
+
+ for (sap = sal; *sap != NULL; sap++) {
+ ch_free(*sap);
+ }
+
+ ch_free(sal);
+}
+
+#if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
+static int get_url_perms(
+ char **exts,
+ mode_t *perms,
+ int *crit )
+{
+ int i;
+
+ assert( exts );
+ assert( perms );
+ assert( crit );
+
+ *crit = 0;
+ for ( i = 0; exts[ i ]; i++ ) {
+ char *type = exts[ i ];
+ int c = 0;
+
+ if ( type[ 0 ] == '!' ) {
+ c = 1;
+ type++;
+ }
+
+ if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
+ char *value = type
+ + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
+ mode_t p = 0;
+ int j;
+
+ switch (strlen(value)) {
+ case 4:
+ /* skip leading '0' */
+ if ( value[ 0 ] != '0' ) {
+ return LDAP_OTHER;
+ }
+ value++;
+
+ case 3:
+ for ( j = 0; j < 3; j++) {
+ int v;
+
+ v = value[ j ] - '0';
+
+ if ( v < 0 || v > 7 ) {
+ return LDAP_OTHER;
+ }
+
+ p |= v << 3*(2-j);
+ }
+ break;
+
+ case 10:
+ for ( j = 1; j < 10; j++ ) {
+ static mode_t m[] = { 0,
+ S_IRUSR, S_IWUSR, S_IXUSR,
+ S_IRGRP, S_IWGRP, S_IXGRP,
+ S_IROTH, S_IWOTH, S_IXOTH
+ };
+ static char c[] = "-rwxrwxrwx";
+
+ if ( value[ j ] == c[ j ] ) {
+ p |= m[ j ];
+
+ } else if ( value[ j ] != '-' ) {
+ return LDAP_OTHER;
+ }
+ }
+ break;
+
+ default:
+ return LDAP_OTHER;
+ }
+
+ *crit = c;
+ *perms = p;
+
+ return LDAP_SUCCESS;
+ }
+ }
+
+ return LDAP_OTHER;
+}
+#endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
+
+/* port = 0 indicates AF_LOCAL */
+static int slap_get_listener_addresses(
+ const char *host,
+ unsigned short port,
+ struct sockaddr ***sal)
+{
+ struct sockaddr **sap;
+
+#ifdef LDAP_PF_LOCAL
+ if ( port == 0 ) {
+ *sal = ch_malloc(2 * sizeof(void *));
+ if (*sal == NULL) {
+ return -1;
+ }
+
+ sap = *sal;
+ *sap = ch_malloc(sizeof(struct sockaddr_un));
+ if (*sap == NULL)
+ goto errexit;
+ sap[1] = NULL;
+
+ if ( strlen(host) >
+ (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: domain socket path (%s) too long in URL",
+ host, 0, 0);
+ goto errexit;
+ }
+
+ (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
+ (*sap)->sa_family = AF_LOCAL;
+ strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
+ } else
+#endif
+ {
+#ifdef HAVE_GETADDRINFO
+ struct addrinfo hints, *res, *sai;
+ int n, err;
+ char serv[7];
+
+ memset( &hints, '\0', sizeof(hints) );
+ hints.ai_flags = AI_PASSIVE;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_family = slap_inet4or6;
+ snprintf(serv, sizeof serv, "%d", port);
+
+ if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
+ Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
+ AC_GAI_STRERROR(err), 0, 0);
+ return -1;
+ }
+
+ sai = res;
+ for (n=2; (sai = sai->ai_next) != NULL; n++) {
+ /* EMPTY */ ;
+ }
+ *sal = ch_calloc(n, sizeof(void *));
+ if (*sal == NULL) {
+ return -1;
+ }
+
+ sap = *sal;
+ *sap = NULL;
+
+ for ( sai=res; sai; sai=sai->ai_next ) {
+ if( sai->ai_addr == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
+ "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
+ freeaddrinfo(res);
+ goto errexit;
+ }
+
+ switch (sai->ai_family) {
+# ifdef LDAP_PF_INET6
+ case AF_INET6:
+ *sap = ch_malloc(sizeof(struct sockaddr_in6));
+ if (*sap == NULL) {
+ freeaddrinfo(res);
+ goto errexit;
+ }
+ *(struct sockaddr_in6 *)*sap =
+ *((struct sockaddr_in6 *)sai->ai_addr);
+ break;
+# endif
+ case AF_INET:
+ *sap = ch_malloc(sizeof(struct sockaddr_in));
+ if (*sap == NULL) {
+ freeaddrinfo(res);
+ goto errexit;
+ }
+ *(struct sockaddr_in *)*sap =
+ *((struct sockaddr_in *)sai->ai_addr);
+ break;
+ default:
+ *sap = NULL;
+ break;
+ }
+
+ if (*sap != NULL) {
+ (*sap)->sa_family = sai->ai_family;
+ sap++;
+ *sap = NULL;
+ }
+ }
+
+ freeaddrinfo(res);
+#else
+ int i, n = 1;
+ struct in_addr in;
+ struct hostent *he = NULL;
+
+ if ( host == NULL ) {
+ in.s_addr = htonl(INADDR_ANY);
+
+ } else if ( !inet_aton( host, &in ) ) {
+ he = gethostbyname( host );
+ if( he == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: invalid host %s", host, 0, 0);
+ return -1;
+ }
+ for (n = 0; he->h_addr_list[n]; n++) ;
+ }
+
+ *sal = ch_malloc((n+1) * sizeof(void *));
+ if (*sal == NULL) {
+ return -1;
+ }
+
+ sap = *sal;
+ for ( i = 0; i<n; i++ ) {
+ sap[i] = ch_malloc(sizeof(struct sockaddr_in));
+ if (*sap == NULL) {
+ goto errexit;
+ }
+ (void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
+ sap[i]->sa_family = AF_INET;
+ ((struct sockaddr_in *)sap[i])->sin_port = htons(port);
+ if (he) {
+ AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
+ } else {
+ AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
+ }
+ }
+ sap[i] = NULL;
+#endif
+ }
+
+ return 0;
+
+errexit:
+ slap_free_listener_addresses(*sal);
+ return -1;
+}
-Listener *
-open_listener(
+static int slap_open_listener(
const char* url,
- int port,
- int tls_port )
+ int *listeners,
+ int *cur
+ )
{
- int tmp, rc;
+ int num, tmp, rc;
Listener l;
Listener *li;
LDAPURLDesc *lud;
- char *s;
+ unsigned short port;
+ int err, addrlen = 0;
+ struct sockaddr **sal, **psal;
+ int socktype = SOCK_STREAM; /* default to COTS */
+
+#if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
+ /*
+ * use safe defaults
+ */
+ int crit = 1;
+#endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
rc = ldap_url_parse( url, &lud );
Debug( LDAP_DEBUG_ANY,
"daemon: listen URL \"%s\" parse error=%d\n",
url, rc, 0 );
- return NULL;
+ return rc;
}
+ l.sl_url.bv_val = NULL;
+ l.sl_is_mute = 0;
+
#ifndef HAVE_TLS
- if( lud->lud_ldaps ) {
+ if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
Debug( LDAP_DEBUG_ANY,
"daemon: TLS not supported (%s)\n",
url, 0, 0 );
ldap_free_urldesc( lud );
- return NULL;
+ return -1;
}
if(! lud->lud_port ) {
- lud->lud_port = port;
+ lud->lud_port = LDAP_PORT;
}
#else
- l.sl_is_tls = lud->lud_ldaps;
+ l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
if(! lud->lud_port ) {
- lud->lud_port = lud->lud_ldaps ? tls_port : port;
+ lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
}
#endif
- port = lud->lud_port;
-
- (void) memset( (void*) &l.sl_addr, '\0', sizeof(l.sl_addr) );
+ port = (unsigned short) lud->lud_port;
- l.sl_addr.sin_family = AF_INET;
- l.sl_addr.sin_port = htons( (unsigned short) lud->lud_port );
-
- if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
- || strcmp(lud->lud_host, "*") == 0 )
- {
- l.sl_addr.sin_addr.s_addr = htonl(INADDR_ANY);
+ tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme);
+ if ( tmp == LDAP_PROTO_IPC ) {
+#ifdef LDAP_PF_LOCAL
+ if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
+ err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
+ } else {
+ err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
+ }
+#else
+ Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
+ url, 0, 0);
+ ldap_free_urldesc( lud );
+ return -1;
+#endif
} else {
- /* host or address was specified */
- if( !inet_aton( lud->lud_host, &l.sl_addr.sin_addr ) ) {
- struct hostent *he = gethostbyname( lud->lud_host );
- if( he == NULL ) {
- Debug( LDAP_DEBUG_ANY, "invalid host (%s) in URL: %s",
- lud->lud_host, url, 0);
- ldap_free_urldesc( lud );
- return NULL;
- }
-
- memcpy( &l.sl_addr.sin_addr, he->h_addr,
- sizeof( l.sl_addr.sin_addr ) );
+ if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
+ || strcmp(lud->lud_host, "*") == 0 )
+ {
+ err = slap_get_listener_addresses(NULL, port, &sal);
+ } else {
+ err = slap_get_listener_addresses(lud->lud_host, port, &sal);
}
}
+#ifdef LDAP_CONNECTIONLESS
+ l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
+#endif
- ldap_free_urldesc( lud );
+#if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
+ if ( lud->lud_exts ) {
+ err = get_url_perms( lud->lud_exts, &l.sl_perms, &crit );
+ } else {
+ l.sl_perms = S_IRWXU | S_IRWXO;
+ }
+#endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
+ ldap_free_urldesc( lud );
+ if ( err ) {
+ return -1;
+ }
- if ( (l.sl_sd = socket( AF_INET, SOCK_STREAM, 0 )) == AC_SOCKET_INVALID ) {
- int err = sock_errno();
- Debug( LDAP_DEBUG_ANY,
- "daemon: socket() failed errno=%d (%s)\n", err,
- sock_errstr(err), 0 );
- return NULL;
+ /* If we got more than one address returned, we need to make space
+ * for it in the slap_listeners array.
+ */
+ for ( num=0; sal[num]; num++ );
+ if ( num > 1 ) {
+ *listeners += num-1;
+ slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
}
+ psal = sal;
+ while ( *sal != NULL ) {
+ char *af;
+ switch( (*sal)->sa_family ) {
+ case AF_INET:
+ af = "IPv4";
+ break;
+#ifdef LDAP_PF_INET6
+ case AF_INET6:
+ af = "IPv6";
+ break;
+#endif
+#ifdef LDAP_PF_LOCAL
+ case AF_LOCAL:
+ af = "Local";
+ break;
+#endif
+ default:
+ sal++;
+ continue;
+ }
+#ifdef LDAP_CONNECTIONLESS
+ if( l.sl_is_udp ) socktype = SOCK_DGRAM;
+#endif
+ l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
+ if ( l.sl_sd == AC_SOCKET_INVALID ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: %s socket() failed errno=%d (%s)\n",
+ af, err, sock_errstr(err) );
+ sal++;
+ continue;
+ }
#ifndef HAVE_WINSOCK
- if ( l.sl_sd >= dtblsize ) {
- Debug( LDAP_DEBUG_ANY,
- "daemon: listener descriptor %ld is too great %ld\n",
- (long) l.sl_sd, (long) dtblsize, 0 );
- tcp_close( l.sl_sd );
- return NULL;
- }
+ if ( l.sl_sd >= dtblsize ) {
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: listener descriptor %ld is too great %ld\n",
+ (long) l.sl_sd, (long) dtblsize, 0 );
+ tcp_close( l.sl_sd );
+ sal++;
+ continue;
+ }
#endif
-
+#ifdef LDAP_PF_LOCAL
+ if ( (*sal)->sa_family == AF_LOCAL ) {
+ unlink ( ((struct sockaddr_un *)*sal)->sun_path );
+ } else
+#endif
+ {
#ifdef SO_REUSEADDR
- /* enable address reuse */
- tmp = 1;
- if ( setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
- (char *) &tmp, sizeof(tmp) ) == -1 )
- {
- int err = sock_errno();
- Debug( LDAP_DEBUG_ANY,
- "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
- (long) l.sl_sd, err, sock_errstr(err) );
- }
+ /* enable address reuse */
+ tmp = 1;
+ rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
+ (char *) &tmp, sizeof(tmp) );
+ if ( rc == AC_SOCKET_ERROR ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY,
+ "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
+ (long) l.sl_sd, err, sock_errstr(err) );
+ }
#endif
-#ifdef SO_KEEPALIVE
- /* enable keep alives */
- tmp = 1;
- if ( setsockopt( l.sl_sd, SOL_SOCKET, SO_KEEPALIVE,
- (char *) &tmp, sizeof(tmp) ) == -1 )
- {
- int err = sock_errno();
- Debug( LDAP_DEBUG_ANY,
- "slapd(%ld): setsockopt(SO_KEEPALIVE) failed errno=%d (%s)\n",
- (long) l.sl_sd, err, sock_errstr(err) );
- }
+ }
+
+ switch( (*sal)->sa_family ) {
+ case AF_INET:
+ addrlen = sizeof(struct sockaddr_in);
+ break;
+#ifdef LDAP_PF_INET6
+ case AF_INET6:
+#ifdef IPV6_V6ONLY
+ /* Try to use IPv6 sockets for IPv6 only */
+ tmp = 1;
+ rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
+ (char *) &tmp, sizeof(tmp) );
+ if ( rc == AC_SOCKET_ERROR ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY,
+ "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
+ (long) l.sl_sd, err, sock_errstr(err) );
+ }
#endif
-#ifdef TCP_NODELAY
- /* enable no delay */
- tmp = 1;
- if ( setsockopt( l.sl_sd, IPPROTO_TCP, TCP_NODELAY,
- (char *)&tmp, sizeof(tmp) ) )
- {
- int err = sock_errno();
- Debug( LDAP_DEBUG_ANY,
- "slapd(%ld): setsockopt(TCP_NODELAY) failed errno=%d (%s)\n",
- (long) l.sl_sd, err, sock_errstr(err) );
- }
+ addrlen = sizeof(struct sockaddr_in6);
+ break;
+#endif
+#ifdef LDAP_PF_LOCAL
+ case AF_LOCAL:
+ addrlen = sizeof(struct sockaddr_un);
+ break;
#endif
+ }
- if ( bind( l.sl_sd, (struct sockaddr *) &l.sl_addr, sizeof(l.sl_addr) ) == -1 ) {
- int err = sock_errno();
+ if (bind(l.sl_sd, *sal, addrlen)) {
+ err = sock_errno();
Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
- (long) l.sl_sd, err, sock_errstr(err) );
- tcp_close( l.sl_sd );
- return NULL;
- }
-
- l.sl_url = ch_strdup( url );
+ (long) l.sl_sd, err, sock_errstr(err) );
+ tcp_close( l.sl_sd );
+ sal++;
+ continue;
+ }
- l.sl_name = ch_malloc( sizeof("IP=255.255.255.255:65336") );
- s = inet_ntoa( l.sl_addr.sin_addr );
- sprintf( l.sl_name, "IP=%s:%d",
- s != NULL ? s : "unknown" , port );
+ switch ( (*sal)->sa_family ) {
+#ifdef LDAP_PF_LOCAL
+ case AF_LOCAL: {
+ char *addr = ((struct sockaddr_un *)*sal)->sun_path;
+#if 0 /* don't muck with socket perms */
+ if ( chmod( addr, l.sl_perms ) < 0 && crit ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
+ (long) l.sl_sd, err, sock_errstr(err) );
+ tcp_close( l.sl_sd );
+ slap_free_listener_addresses(psal);
+ return -1;
+ }
+#endif
+ l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
+ l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
+ snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
+ "PATH=%s", addr );
+ } break;
+#endif /* LDAP_PF_LOCAL */
+
+ case AF_INET: {
+ char *s;
+#if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
+ char addr[INET_ADDRSTRLEN];
+ inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
+ addr, sizeof(addr) );
+ s = addr;
+#else
+ s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
+#endif
+ port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
+ l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
+ snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
+ "IP=%s:%d",
+ s != NULL ? s : SLAP_STRING_UNKNOWN, port );
+ l.sl_name.bv_len = strlen( l.sl_name.bv_val );
+ } break;
+
+#ifdef LDAP_PF_INET6
+ case AF_INET6: {
+ char addr[INET6_ADDRSTRLEN];
+ inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
+ addr, sizeof addr);
+ port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
+ l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
+ l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
+ snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
+ addr, port );
+ l.sl_name.bv_len = strlen( l.sl_name.bv_val );
+ } break;
+#endif /* LDAP_PF_INET6 */
+
+ default:
+ Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
+ (int) (*sal)->sa_family, 0, 0 );
+ break;
+ }
+ AC_MEMCPY(&l.sl_sa, *sal, addrlen);
+ ber_str2bv( url, 0, 1, &l.sl_url);
li = ch_malloc( sizeof( Listener ) );
*li = l;
+ slap_listeners[*cur] = li;
+ (*cur)++;
+ sal++;
- Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
- l.sl_url, 0, 0 );
+ } /* while ( *sal != NULL ) */
+
+ slap_free_listener_addresses(psal);
- return li;
+ if ( l.sl_url.bv_val == NULL )
+ {
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_open_listener: failed on %s\n", url, 0, 0 );
+ return -1;
+ }
+
+ Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
+ l.sl_url.bv_val, 0, 0 );
+ return 0;
}
static int sockinit(void);
static int sockdestroy(void);
-int slapd_daemon_init(char *urls, int port, int tls_port )
+int slapd_daemon_init( const char *urls )
{
- int i, rc;
+ int i, j, n, rc;
char **u;
-#ifndef HAVE_TLS
- assert( tls_port == 0 );
-#endif
-
- Debug( LDAP_DEBUG_ARGS, "daemon_init: %s (%d/%d)\n",
- urls ? urls : "<null>", port, tls_port );
-
- if( rc = sockinit() ) {
+ Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
+ urls ? urls : "<null>", 0, 0 );
+ if( (rc = sockinit()) != 0 ) {
return rc;
}
}
#endif /* !FD_SETSIZE */
- /* set up a datagram socket connected to itself. we write a byte
- * on this socket whenever we catch a signal. The main loop will
- * be select'ing on this socket, and will wake up when this byte
- * arrives.
+ /* open a pipe (or something equivalent connected to itself).
+ * we write a byte on this fd whenever we catch a signal. The main
+ * loop will be select'ing on this socket, and will wake up when
+ * this byte arrives.
*/
- if( (sel_exit_fd = socket( AF_INET, SOCK_DGRAM, 0 )) < 0 )
- {
- int err = sock_errno();
+ if( (rc = lutil_pair( wake_sds )) < 0 ) {
Debug( LDAP_DEBUG_ANY,
- "daemon: socket() failed errno=%d (%s)\n", err,
- sock_errstr(err), 0 );
- return sel_exit_fd;
- } else {
- struct sockaddr_in si;
- int len = sizeof(si);
- int err;
-
- (void) memset( (void*) &si, 0, len );
-
- si.sin_family = AF_INET;
- si.sin_port = 0;
- si.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-
- if( rc = bind( sel_exit_fd, (struct sockaddr *)&si, len ) )
- {
- err = sock_errno();
- Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
- (long) sel_exit_fd, err, sock_errstr(err) );
- tcp_close( sel_exit_fd );
- return rc;
- }
- if( rc = getsockname( sel_exit_fd, (struct sockaddr *)&si, &len))
- {
- err = sock_errno();
- Debug( LDAP_DEBUG_ANY, "daemon: getsockname(%ld) failed errno=%d (%s)\n",
- (long) sel_exit_fd, err, sock_errstr(err) );
- tcp_close( sel_exit_fd );
- return rc;
- }
- if( rc = connect( sel_exit_fd, (struct sockaddr *)&si, len))
- {
- err = sock_errno();
- Debug( LDAP_DEBUG_ANY, "daemon: connect(%ld) failed errno=%d (%s)\n",
- (long) sel_exit_fd, err, sock_errstr(err) );
- tcp_close( sel_exit_fd );
- return rc;
- }
+ "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
+ return rc;
}
FD_ZERO( &slap_daemon.sd_readers );
urls = "ldap:///";
}
- u = str2charray( urls, " " );
+ u = ldap_str2charray( urls, " " );
if( u == NULL || u[0] == NULL ) {
Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
urls, 0, 0 );
-
return -1;
}
if( i == 0 ) {
Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
urls, 0, 0 );
- charray_free( u );
+ ldap_charray_free( u );
return -1;
}
Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
i, 0, 0 );
-
slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
- for(i = 0; u[i] != NULL; i++ ) {
- slap_listeners[i] = open_listener( u[i], port, tls_port );
-
- if( slap_listeners[i] == NULL ) {
- charray_free( u );
+ for(n = 0, j = 0; u[n]; n++ ) {
+ if ( slap_open_listener( u[n], &i, &j ) ) {
+ ldap_charray_free( u );
return -1;
}
}
- slap_listeners[i] = NULL;
+ slap_listeners[j] = NULL;
Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
i, 0, 0 );
- charray_free( u );
+#ifdef HAVE_SLP
+ if( slapd_register_slp ) {
+ slapd_slp_init( urls );
+ slapd_slp_reg();
+ }
+#endif
+
+ ldap_charray_free( u );
ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
return !i;
}
slapd_daemon_destroy(void)
{
connections_destroy();
+ tcp_close( wake_sds[1] );
+ tcp_close( wake_sds[0] );
sockdestroy();
+
+#ifdef HAVE_SLP
+ if( slapd_register_slp ) {
+ slapd_slp_dereg();
+ slapd_slp_deinit();
+ }
+#endif
+
return 0;
}
+static void
+close_listeners(
+ int remove
+)
+{
+ int l;
+
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
+ if ( remove )
+ slapd_remove( slap_listeners[l]->sl_sd, 0, 0 );
+#ifdef LDAP_PF_LOCAL
+ if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
+ unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
+ }
+#endif /* LDAP_PF_LOCAL */
+ slapd_close( slap_listeners[l]->sl_sd );
+ }
+ if ( slap_listeners[l]->sl_url.bv_val )
+ ber_memfree( slap_listeners[l]->sl_url.bv_val );
+ if ( slap_listeners[l]->sl_name.bv_val )
+ ber_memfree( slap_listeners[l]->sl_name.bv_val );
+ free ( slap_listeners[l] );
+ slap_listeners[l] = NULL;
+ }
+}
+
+
static void *
slapd_daemon_task(
void *ptr
)
{
int l;
+ time_t last_idle_check = 0;
+ struct timeval idle;
+
+#define SLAPD_IDLE_CHECK_LIMIT 4
- time( &starttime );
+ if ( global_idletimeout > 0 ) {
+ last_idle_check = slap_get_time();
+ /* Set the select timeout.
+ * Don't just truncate, preserve the fractions of
+ * seconds to prevent sleeping for zero time.
+ */
+ idle.tv_sec = global_idletimeout/SLAPD_IDLE_CHECK_LIMIT;
+ idle.tv_usec = global_idletimeout - idle.tv_sec * SLAPD_IDLE_CHECK_LIMIT;
+ idle.tv_usec *= 1000000 / SLAPD_IDLE_CHECK_LIMIT;
+ } else {
+ idle.tv_sec = 0;
+ idle.tv_usec = 0;
+ }
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
continue;
+#ifdef LDAP_CONNECTIONLESS
+ /* Since this is connectionless, the data port is the
+ * listening port. The listen() and accept() calls
+ * are unnecessary.
+ */
+ if ( slap_listeners[l]->sl_is_udp ) {
+ slapd_add( slap_listeners[l]->sl_sd, 1 );
+ continue;
+ }
+#endif
- if ( listen( slap_listeners[l]->sl_sd, 5 ) == -1 ) {
+ if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
int err = sock_errno();
+
+#ifdef LDAP_PF_INET6
+ /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and
+ * we are already listening to in6addr_any, then we want to ignore
+ * this and continue.
+ */
+ if ( err == EADDRINUSE ) {
+ int i;
+ struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr;
+ struct sockaddr_in6 sa6;
+
+ if ( sa.sin_family == AF_INET &&
+ sa.sin_addr.s_addr == htonl(INADDR_ANY) ) {
+ for ( i = 0 ; i < l; i++ ) {
+ sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
+ if ( sa6.sin6_family == AF_INET6 &&
+ !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
+ break;
+ }
+
+ if ( i < l ) {
+ /* We are already listening to in6addr_any */
+ Debug( LDAP_DEBUG_CONNS,
+ "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
+ 0, 0, 0 );
+ slapd_close( slap_listeners[l]->sl_sd );
+ slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
+ continue;
+ }
+ }
+ }
+#endif
Debug( LDAP_DEBUG_ANY,
"daemon: listen(%s, 5) failed errno=%d (%s)\n",
- (long) slap_listeners[l]->sl_url, err,
+ slap_listeners[l]->sl_url.bv_val, err,
sock_errstr(err) );
return( (void*)-1 );
}
- slapd_add( slap_listeners[l]->sl_sd );
+ slapd_add( slap_listeners[l]->sl_sd, 0 );
}
-#ifdef HAVE_WINSOCK
+#ifdef HAVE_NT_SERVICE_MANAGER
if ( started_event != NULL ) {
ldap_pvt_thread_cond_signal( &started_event );
}
int ns;
int at;
ber_socket_t nfds;
-#define SLAPD_EBADF_LIMIT 10
+#define SLAPD_EBADF_LIMIT 16
int ebadf = 0;
-#define SLAPD_IDLE_CHECK_LIMIT 4
- time_t last_idle_check = slap_get_time();
time_t now;
-
fd_set readfds;
fd_set writefds;
+ Sockaddr from;
- struct sockaddr_in from;
-#if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
- struct hostent *hp;
-#endif
- struct timeval zero;
+ struct timeval tv;
struct timeval *tvp;
- if( global_idletimeout > 0 && difftime(
- last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT,
- now ) < 0 )
- {
- connections_timeout_idle(now);
+ struct timeval *cat;
+ time_t tdelta = 1;
+ struct re_s* rtask;
+ now = slap_get_time();
+
+ if( ( global_idletimeout > 0 ) &&
+ difftime( last_idle_check +
+ global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
+ connections_timeout_idle( now );
+ last_idle_check = now;
}
+ tv = idle;
+
+#ifdef SIGHUP
+ if( slapd_gentle_shutdown ) {
+ ber_socket_t active;
+
+ if( slapd_gentle_shutdown == 1 ) {
+ Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
+ close_listeners( 1 );
+ frontendDB->be_restrictops |= SLAP_RESTRICT_OP_WRITES;
+ slapd_gentle_shutdown = 2;
+ }
+
+ ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
+ active = slap_daemon.sd_nactives;
+ ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+ if( active == 0 ) {
+ slapd_shutdown = 2;
+ break;
+ }
+ }
+#endif
FD_ZERO( &writefds );
FD_ZERO( &readfds );
- zero.tv_sec = 0;
- zero.tv_usec = 0;
+ at = 0;
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
}
}
#else
- memcpy( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
- memcpy( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
+ AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
+ AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
#endif
- FD_SET( sel_exit_fd, &readfds );
+ assert(!FD_ISSET(wake_sds[0], &readfds));
+ FD_SET( wake_sds[0], &readfds );
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
continue;
- FD_SET( slap_listeners[l]->sl_sd, &readfds );
+ if ( slap_listeners[l]->sl_is_mute )
+ FD_CLR( slap_listeners[l]->sl_sd, &readfds );
+ else
+ if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
+ FD_SET( slap_listeners[l]->sl_sd, &readfds );
}
#ifndef HAVE_WINSOCK
#else
nfds = dtblsize;
#endif
+ if ( global_idletimeout && slap_daemon.sd_nactives )
+ at = 1;
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
- ldap_pvt_thread_mutex_lock( &active_threads_mutex );
- at = active_threads;
- ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
-
-#if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
- tvp = NULL;
-#else
- tvp = at ? &zero : NULL;
+ if ( at
+#if defined(HAVE_YIELDING_SELECT) || defined(NO_THREADS)
+ && ( tv.tv_sec || tv.tv_usec )
#endif
+ )
+ tvp = &tv;
+ else
+ tvp = NULL;
+
+ ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
+ rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
+ while ( cat && cat->tv_sec && cat->tv_sec <= now ) {
+ if ( ldap_pvt_runqueue_isrunning( &syncrepl_rq, rtask )) {
+ ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, 0 );
+ } else {
+ ldap_pvt_runqueue_runtask( &syncrepl_rq, rtask );
+ ldap_pvt_runqueue_resched( &syncrepl_rq, rtask, 0 );
+ ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
+ ldap_pvt_thread_pool_submit( &connection_pool,
+ rtask->routine, (void *) rtask );
+ ldap_pvt_thread_mutex_lock( &syncrepl_rq.rq_mutex );
+ }
+ rtask = ldap_pvt_runqueue_next_sched( &syncrepl_rq, &cat );
+ }
+ ldap_pvt_thread_mutex_unlock( &syncrepl_rq.rq_mutex );
+
+ if ( cat != NULL ) {
+ time_t diff = difftime( cat->tv_sec, now );
+ if ( diff == 0 )
+ diff = tdelta;
+ if ( tvp == NULL || diff < tv.tv_sec ) {
+ tv.tv_sec = diff;
+ tv.tv_usec = 0;
+ tvp = &tv;
+ }
+ }
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
- if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
+ if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ||
+ slap_listeners[l]->sl_is_mute )
continue;
Debug( LDAP_DEBUG_CONNS,
case -1: { /* failure - try again */
int err = sock_errno();
- if( err == EBADF && ++ebadf < SLAPD_EBADF_LIMIT) {
- continue;
+ if( err == EBADF
+#ifdef WSAENOTSOCK
+ /* you'd think this would be EBADF */
+ || err == WSAENOTSOCK
+#endif
+ ) {
+ if (++ebadf < SLAPD_EBADF_LIMIT)
+ continue;
}
if( err != EINTR ) {
Debug( LDAP_DEBUG_CONNS,
"daemon: select failed (%d): %s\n",
err, sock_errstr(err), 0 );
-
- slapd_shutdown = -1;
+ slapd_shutdown = 2;
}
}
continue;
ebadf = 0;
Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
0, 0, 0 );
- ldap_pvt_thread_yield();
+
+ ldap_pvt_thread_yield();
continue;
default: /* something happened - deal with it */
+ if( slapd_shutdown ) continue;
+
ebadf = 0;
Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
ns, 0, 0 );
/* FALL THRU */
}
- if( FD_ISSET( sel_exit_fd, &readfds ) )
- {
- char c;
- tcp_read( sel_exit_fd, &c, 1 );
+ if( FD_ISSET( wake_sds[0], &readfds ) ) {
+ char c[BUFSIZ];
+ tcp_read( wake_sds[0], c, sizeof(c) );
+#if defined(NO_THREADS) || defined(HAVE_GNU_PTH)
+ waking = 0;
+#endif
continue;
}
+
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
- ber_int_t s;
+ ber_socket_t s;
socklen_t len = sizeof(from);
long id;
+ slap_ssf_t ssf = 0;
+ struct berval authid = BER_BVNULL;
+#ifdef SLAPD_RLOOKUPS
+ char hbuf[NI_MAXHOST];
+#endif
- char *dnsname;
- char *peeraddr;
+ char *dnsname = NULL;
+ char *peeraddr = NULL;
+#ifdef LDAP_PF_LOCAL
+ char peername[MAXPATHLEN + sizeof("PATH=")];
+#elif defined(LDAP_PF_INET6)
+ char peername[sizeof(
+ "IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
+#else
+ char peername[sizeof("IP=255.255.255.255:65336")];
+#endif /* LDAP_PF_LOCAL */
- char peername[sizeof("IP=255.255.255.255:65336")];
+ peername[0] = '\0';
if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
continue;
if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
continue;
+
+#ifdef LDAP_CONNECTIONLESS
+ if ( slap_listeners[l]->sl_is_udp ) {
+ /* The first time we receive a query, we set this
+ * up as a "connection". It remains open for the life
+ * of the slapd.
+ */
+ if ( slap_listeners[l]->sl_is_udp < 2 ) {
+ id = connection_init(
+ slap_listeners[l]->sl_sd,
+ slap_listeners[l], "", "",
+ CONN_IS_UDP, ssf, NULL );
+ slap_listeners[l]->sl_is_udp++;
+ }
+ continue;
+ }
+#endif
- if ( (s = accept( slap_listeners[l]->sl_sd,
- (struct sockaddr *) &from, &len )) == AC_SOCKET_INVALID )
- {
+ /* Don't need to look at this in the data loops */
+ FD_CLR( slap_listeners[l]->sl_sd, &readfds );
+ FD_CLR( slap_listeners[l]->sl_sd, &writefds );
+
+# ifdef LDAP_PF_LOCAL
+ /* FIXME: apparently accept doesn't fill
+ * the sun_path sun_path member */
+ from.sa_un_addr.sun_path[0] = '\0';
+# endif /* LDAP_PF_LOCAL */
+ s = accept( slap_listeners[l]->sl_sd,
+ (struct sockaddr *) &from, &len );
+ if ( s == AC_SOCKET_INVALID ) {
int err = sock_errno();
+
+ if(
+#ifdef EMFILE
+ err == EMFILE ||
+#endif
+#ifdef ENFILE
+ err == ENFILE ||
+#endif
+ 0 )
+ {
+ ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
+ emfile++;
+ /* Stop listening until an existing session closes */
+ slap_listeners[l]->sl_is_mute = 1;
+ ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+ }
+
Debug( LDAP_DEBUG_ANY,
- "daemon: accept(%ld) failed errno=%d (%s)\n",
- (long) slap_listeners[l]->sl_sd, err,
- sock_errstr(err) );
+ "daemon: accept(%ld) failed errno=%d (%s)\n",
+ (long) slap_listeners[l]->sl_sd, err,
+ sock_errstr(err) );
+ ldap_pvt_thread_yield();
continue;
}
+#ifndef HAVE_WINSOCK
+ /* make sure descriptor number isn't too great */
+ if ( s >= dtblsize ) {
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: %ld beyond descriptor table size %ld\n",
+ (long) s, (long) dtblsize, 0 );
+
+ slapd_close(s);
+ ldap_pvt_thread_yield();
+ continue;
+ }
+#endif
+
#ifdef LDAP_DEBUG
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
/* newly accepted stream should not be in any of the FD SETS */
-
assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
#endif
-#ifndef HAVE_WINSOCK
- /* make sure descriptor number isn't too great */
- if ( s >= dtblsize ) {
- Debug( LDAP_DEBUG_ANY,
- "daemon: %ld beyond descriptor table size %ld\n",
- (long) s, (long) dtblsize, 0 );
- slapd_close(s);
- continue;
+#if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
+#ifdef LDAP_PF_LOCAL
+ /* for IPv4 and IPv6 sockets only */
+ if ( from.sa_addr.sa_family != AF_LOCAL )
+#endif /* LDAP_PF_LOCAL */
+ {
+ int rc;
+ int tmp;
+#ifdef SO_KEEPALIVE
+ /* enable keep alives */
+ tmp = 1;
+ rc = setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
+ (char *) &tmp, sizeof(tmp) );
+ if ( rc == AC_SOCKET_ERROR ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY,
+ "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
+ "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
+ }
+#endif
+#ifdef TCP_NODELAY
+ /* enable no delay */
+ tmp = 1;
+ rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
+ (char *)&tmp, sizeof(tmp) );
+ if ( rc == AC_SOCKET_ERROR ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY,
+ "slapd(%ld): setsockopt(TCP_NODELAY) failed "
+ "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
+ }
+#endif
}
#endif
-
+
Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
(long) s, 0, 0 );
+ switch ( from.sa_addr.sa_family ) {
+# ifdef LDAP_PF_LOCAL
+ case AF_LOCAL:
+ /* FIXME: apparently accept doesn't fill
+ * the sun_path sun_path member */
+ if ( from.sa_un_addr.sun_path[0] == '\0' ) {
+ AC_MEMCPY( from.sa_un_addr.sun_path,
+ slap_listeners[l]->sl_sa.sa_un_addr.sun_path,
+ sizeof( from.sa_un_addr.sun_path ) );
+ }
- len = sizeof(from);
-
- if ( getpeername( s, (struct sockaddr *) &from, &len ) != 0 ) {
- int err = sock_errno();
- Debug( LDAP_DEBUG_ANY,
- "daemon: getpeername( %ld ) failed: errno=%d (%s)\n",
- (long) s, err, sock_errstr(err) );
- slapd_close(s);
- continue;
+ sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
+ ssf = local_ssf;
+ {
+ uid_t uid;
+ gid_t gid;
+
+ if( getpeereid( s, &uid, &gid ) == 0 ) {
+ authid.bv_val = ch_malloc(
+ sizeof("uidnumber=4294967295+gidnumber=4294967295,"
+ "cn=peercred,cn=external,cn=auth"));
+ authid.bv_len = sprintf( authid.bv_val,
+ "uidnumber=%d+gidnumber=%d,"
+ "cn=peercred,cn=external,cn=auth",
+ (int) uid, (int) gid);
+ }
+ }
+ dnsname = "local";
+ break;
+#endif /* LDAP_PF_LOCAL */
+
+# ifdef LDAP_PF_INET6
+ case AF_INET6:
+ if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
+ peeraddr = inet_ntoa( *((struct in_addr *)
+ &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
+ sprintf( peername, "IP=%s:%d",
+ peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
+ (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
+ } else {
+ char addr[INET6_ADDRSTRLEN];
+
+ peeraddr = (char *) inet_ntop( AF_INET6,
+ &from.sa_in6_addr.sin6_addr,
+ addr, sizeof addr );
+ sprintf( peername, "IP=%s %d",
+ peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
+ (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
}
+ break;
+# endif /* LDAP_PF_INET6 */
- peeraddr = inet_ntoa( from.sin_addr );
+ case AF_INET:
+ peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
sprintf( peername, "IP=%s:%d",
- peeraddr != NULL ? peeraddr : "unknown",
- (unsigned) ntohs( from.sin_port ) );
-
-#if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
- hp = gethostbyaddr( (char *)
- &(from.sin_addr.s_addr),
- sizeof(from.sin_addr.s_addr), AF_INET );
+ peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
+ (unsigned) ntohs( from.sa_in_addr.sin_port ) );
+ break;
- if(hp) {
- dnsname = ldap_pvt_str2lower( hp->h_name );
-
- } else {
- dnsname = NULL;
+ default:
+ slapd_close(s);
+ continue;
}
-#else
- dnsname = NULL;
+
+ if ( ( from.sa_addr.sa_family == AF_INET )
+#ifdef LDAP_PF_INET6
+ || ( from.sa_addr.sa_family == AF_INET6 )
#endif
+ ) {
+#ifdef SLAPD_RLOOKUPS
+ if ( use_reverse_lookup ) {
+ char *herr;
+ if (ldap_pvt_get_hname( (const struct sockaddr *)&from, len, hbuf,
+ sizeof(hbuf), &herr ) == 0) {
+ ldap_pvt_str2lower( hbuf );
+ dnsname = hbuf;
+ }
+ }
+#else
+ dnsname = NULL;
+#endif /* SLAPD_RLOOKUPS */
#ifdef HAVE_TCPD
- if( !hosts_ctl("slapd",
- dnsname != NULL ? dnsname : STRING_UNKNOWN,
- peeraddr != NULL ? peeraddr : STRING_UNKNOWN,
- STRING_UNKNOWN ))
- {
- /* DENY ACCESS */
- Statslog( LDAP_DEBUG_ANY,
- "fd=%ld connection from %s (%s) denied.\n",
- (long) s,
- dnsname != NULL ? dnsname : "unknown",
- peeraddr != NULL ? peeraddr : "unknown",
- 0, 0 );
-
- slapd_close(s);
- continue;
- }
+ if ( !hosts_ctl("slapd",
+ dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
+ peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
+ SLAP_STRING_UNKNOWN ))
+ {
+ /* DENY ACCESS */
+ Statslog( LDAP_DEBUG_STATS,
+ "fd=%ld DENIED from %s (%s)\n",
+ (long) s,
+ dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
+ peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
+ 0, 0 );
+ slapd_close(s);
+ continue;
+ }
#endif /* HAVE_TCPD */
+ }
- if( (id = connection_init(s,
- slap_listeners[l]->sl_url,
- dnsname != NULL ? dnsname : "unknown",
+ id = connection_init(s,
+ slap_listeners[l],
+ dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
peername,
- slap_listeners[l]->sl_name,
#ifdef HAVE_TLS
- slap_listeners[l]->sl_is_tls
+ slap_listeners[l]->sl_is_tls ? CONN_IS_TLS : 0,
#else
- 0
+ 0,
#endif
- )) < 0 )
- {
+ ssf,
+ authid.bv_val ? &authid : NULL );
+
+ if( authid.bv_val ) ch_free(authid.bv_val);
+
+ if( id < 0 ) {
Debug( LDAP_DEBUG_ANY,
- "daemon: connection_init(%ld, %s, %s) failed.\n",
+ "daemon: connection_init(%ld, %s, %s) "
+ "failed.\n",
(long) s,
peername,
- slap_listeners[l]->sl_name );
+ slap_listeners[l]->sl_name.bv_val );
slapd_close(s);
continue;
}
Statslog( LDAP_DEBUG_STATS,
- "daemon: conn=%ld fd=%ld connection from %s (%s) accepted.\n",
+ "conn=%ld fd=%ld ACCEPT from %s (%s)\n",
id, (long) s,
peername,
- slap_listeners[l]->sl_name,
+ slap_listeners[l]->sl_name.bv_val,
0 );
- slapd_add( s );
+ slapd_add( s, 1 );
continue;
}
Debug( LDAP_DEBUG_CONNS, " %d%s",
writefds.fd_array[i], "w", 0 );
}
+
#else
for ( i = 0; i < nfds; i++ ) {
- int a, r, w;
- int is_listener = 0;
+ int r, w;
- for ( l = 0; slap_listeners[l] != NULL; l++ ) {
- if ( i == slap_listeners[l]->sl_sd ) {
- is_listener = 1;
- break;
- }
- }
- if ( is_listener ) {
- continue;
- }
r = FD_ISSET( i, &readfds );
w = FD_ISSET( i, &writefds );
if ( r || w ) {
}
#endif
Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
+
#endif
/* loop through the writers */
#endif
{
ber_socket_t wd;
- int is_listener = 0;
#ifdef HAVE_WINSOCK
wd = writefds.fd_array[i];
#else
wd = i;
#endif
- for ( l = 0; slap_listeners[l] != NULL; l++ ) {
- if ( i == slap_listeners[l]->sl_sd ) {
- is_listener = 1;
- break;
- }
- }
- if ( is_listener ) {
- continue;
- }
Debug( LDAP_DEBUG_CONNS,
"daemon: write active on %d\n",
wd, 0, 0 );
-
/*
* NOTE: it is possible that the connection was closed
* and that the stream is now inactive.
#endif
{
ber_socket_t rd;
- int is_listener = 0;
-
#ifdef HAVE_WINSOCK
rd = readfds.fd_array[i];
#else
rd = i;
#endif
- for ( l = 0; slap_listeners[l] != NULL; l++ ) {
- if ( rd == slap_listeners[l]->sl_sd ) {
- is_listener = 1;
- break;
- }
- }
- if ( is_listener ) {
- continue;
- }
-
Debug ( LDAP_DEBUG_CONNS,
"daemon: read activity on %d\n", rd, 0, 0 );
-
/*
* NOTE: it is possible that the connection was closed
* and that the stream is now inactive.
ldap_pvt_thread_yield();
}
- if( slapd_shutdown > 0 ) {
+ if( slapd_shutdown == 1 ) {
Debug( LDAP_DEBUG_TRACE,
"daemon: shutdown requested and initiated.\n",
0, 0, 0 );
- } else if ( slapd_shutdown < 0 ) {
- Debug( LDAP_DEBUG_TRACE,
- "daemon: abnormal condition, shutdown initiated.\n",
- 0, 0, 0 );
+ } else if ( slapd_shutdown == 2 ) {
+#ifdef HAVE_NT_SERVICE_MANAGER
+ Debug( LDAP_DEBUG_TRACE,
+ "daemon: shutdown initiated by Service Manager.\n",
+ 0, 0, 0);
+#else /* !HAVE_NT_SERVICE_MANAGER */
+ Debug( LDAP_DEBUG_TRACE,
+ "daemon: abnormal condition, shutdown initiated.\n",
+ 0, 0, 0 );
+#endif /* !HAVE_NT_SERVICE_MANAGER */
} else {
Debug( LDAP_DEBUG_TRACE,
- "daemon: no active streams, shutdown initiated.\n",
- 0, 0, 0 );
+ "daemon: no active streams, shutdown initiated.\n",
+ 0, 0, 0 );
}
- for ( l = 0; slap_listeners[l] != NULL; l++ ) {
- if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
- slapd_close( slap_listeners[l]->sl_sd );
- break;
- }
+ if( slapd_gentle_shutdown != 2 ) {
+ close_listeners ( 0 );
+ }
+
+ free ( slap_listeners );
+ slap_listeners = NULL;
+
+ if( !slapd_gentle_shutdown ) {
+ slapd_abrupt_shutdown = 1;
+ connections_shutdown();
}
- ldap_pvt_thread_mutex_lock( &active_threads_mutex );
Debug( LDAP_DEBUG_ANY,
"slapd shutdown: waiting for %d threads to terminate\n",
- active_threads, 0, 0 );
- while ( active_threads > 0 ) {
- ldap_pvt_thread_cond_wait(&active_threads_cond, &active_threads_mutex);
- }
- ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
+ ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
+ ldap_pvt_thread_pool_destroy(&connection_pool, 1);
return NULL;
}
connections_init();
#define SLAPD_LISTENER_THREAD 1
-#if defined( SLAPD_LISTENER_THREAD ) || !defined(HAVE_PTHREADS)
+#if defined( SLAPD_LISTENER_THREAD )
+ {
+ ldap_pvt_thread_t listener_tid;
- /* listener as a separate THREAD */
- rc = ldap_pvt_thread_create( &listener_tid,
- 0, slapd_daemon_task, NULL );
+ /* listener as a separate THREAD */
+ rc = ldap_pvt_thread_create( &listener_tid,
+ 0, slapd_daemon_task, NULL );
- if ( rc != 0 ) {
- Debug( LDAP_DEBUG_ANY,
- "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
- return rc;
+ if ( rc != 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
+ return rc;
+ }
+
+ /* wait for the listener thread to complete */
+ ldap_pvt_thread_join( listener_tid, (void *) NULL );
}
-
- /* wait for the listener thread to complete */
- ldap_pvt_thread_join( listener_tid, (void *) NULL );
#else
- /* expermimental code */
- listener_tid = pthread_self();
+ /* experimental code */
slapd_daemon_task( NULL );
#endif
}
-#ifdef HAVE_WINSOCK2
int sockinit(void)
{
+#if defined( HAVE_WINSOCK2 )
WORD wVersionRequested;
WSADATA wsaData;
int err;
-
+
wVersionRequested = MAKEWORD( 2, 0 );
-
+
err = WSAStartup( wVersionRequested, &wsaData );
if ( err != 0 ) {
/* Tell the user that we couldn't find a usable */
- /* WinSock DLL. */
+ /* WinSock DLL. */
return -1;
}
-
+
/* Confirm that the WinSock DLL supports 2.0.*/
/* Note that if the DLL supports versions greater */
/* than 2.0 in addition to 2.0, it will still return */
- /* 2.0 in wVersion since that is the version we */
- /* requested. */
-
+ /* 2.0 in wVersion since that is the version we */
+ /* requested. */
+
if ( LOBYTE( wsaData.wVersion ) != 2 ||
HIBYTE( wsaData.wVersion ) != 0 )
{
/* Tell the user that we couldn't find a usable */
- /* WinSock DLL. */
+ /* WinSock DLL. */
WSACleanup();
- return -1;
+ return -1;
}
/* The WinSock DLL is acceptable. Proceed. */
+#elif defined( HAVE_WINSOCK )
+ WSADATA wsaData;
+ if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
+ return -1;
+ }
+#endif
return 0;
}
int sockdestroy(void)
{
+#if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
WSACleanup();
+#endif
return 0;
}
-void hit_socket(void)
+RETSIGTYPE
+slap_sig_shutdown( int sig )
{
- ber_socket_t s;
- int on = 1;
- extern struct sockaddr_in bind_addr;
+#if 0
+ Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
+#endif
- /* throw something at the socket to terminate the select() in the daemon thread. */
- if (( s = socket( AF_INET, SOCK_STREAM, 0 )) == AC_SOCKET_INVALID )
- Debug( LDAP_DEBUG_ANY,
- "slap_set_shutdown: socket failed\n\tWSAGetLastError=%d (%s)\n",
- WSAGetLastError(), WSAGetLastErrorString(), 0 );
+ /*
+ * If the NT Service Manager is controlling the server, we don't
+ * want SIGBREAK to kill the server. For some strange reason,
+ * SIGBREAK is generated when a user logs out.
+ */
- if ( ioctlsocket( s, FIONBIO, &on ) == -1 )
- Debug( LDAP_DEBUG_ANY,
- "slap_set_shutdown:FIONBIO ioctl on %d faled\n\tWSAGetLastError=%d (%s)\n",
- s, WSAGetLastError(), WSAGetLastError() );
-
- bind_addr.sin_addr.s_addr = htonl( INADDR_LOOPBACK );
+#if HAVE_NT_SERVICE_MANAGER && SIGBREAK
+ if (is_NT_Service && sig == SIGBREAK)
+ ;
+ else
+#endif
+#ifdef SIGHUP
+ if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
+ slapd_gentle_shutdown = 1;
+ else
+#endif
+ slapd_shutdown = 1;
- if ( connect( s, (struct sockaddr *)&bind_addr, sizeof( struct sockaddr_in )) == SOCKET_ERROR ) {
- Debug( LDAP_DEBUG_ANY,
- "hit_socket: error on connect: %d\n",
- WSAGetLastError(), 0, 0 );
- /* we can probably expect some error to occur here, mostly WSAEWOULDBLOCK */
- }
+ WAKE_LISTENER(1);
- tcp_close(s);
+ /* reinstall self */
+ (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
}
-#elif HAVE_WINSOCK
-static int sockinit(void)
-{ WSADATA wsaData;
- if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
- return -1;
- }
- return 0;
-}
-static int sockdestroy(void)
+RETSIGTYPE
+slap_sig_wake( int sig )
{
- WSACleanup();
- return 0;
-}
+ WAKE_LISTENER(1);
-#else
-static int sockinit(void)
-{
- return 0;
+ /* reinstall self */
+ (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
}
-static int sockdestroy(void)
-{
- return 0;
+
+
+void slapd_add_internal(ber_socket_t s, int isactive) {
+ slapd_add(s, isactive);
}
-#endif
-void
-slap_set_shutdown( int sig )
-{
- int l;
- slapd_shutdown = sig;
-#ifndef HAVE_WINSOCK
- if(slapd_listener) {
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
- }
-#else
- /* trying to "hit" the socket seems to always get a */
- /* EWOULDBLOCK error, so just close the listen socket to */
- /* break out of the select since we're shutting down anyway */
- for ( l = 0; slap_listeners[l] != NULL; l++ ) {
- if ( slap_listeners[l]->sl_sd >= 0 ) {
- tcp_close( slap_listeners[l]->sl_sd );
- }
- }
-#endif
- tcp_write( sel_exit_fd, "0", 1 );
- /* reinstall self */
- (void) SIGNAL( sig, slap_set_shutdown );
+Listener ** slapd_get_listeners(void) {
+ return slap_listeners;
}
-void
-slap_do_nothing( int sig )
+void slap_wake_listener()
{
- /* reinstall self */
- (void) SIGNAL( sig, slap_do_nothing );
+ WAKE_LISTENER(1);
}