+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
+
+#include "portable.h"
+
#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <errno.h>
-#include <sys/time.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <signal.h>
-#ifdef _AIX
-#include <sys/select.h>
-#endif
+
+#include <ac/ctype.h>
+#include <ac/errno.h>
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/time.h>
+#include <ac/unistd.h>
+
+#include "ldap_pvt.h"
+#include "ldap_pvt_thread.h"
+#include "lutil.h"
#include "slap.h"
-#include "portable.h"
-#include "ldapconfig.h"
-#ifdef NEED_FILIO
-#include <sys/filio.h>
-#else /* NEED_FILIO */
-#include <sys/ioctl.h>
-#endif /* NEED_FILIO */
-#ifdef USE_SYSCONF
-#include <unistd.h>
-#endif /* USE_SYSCONF */
-
-extern Operation *op_add();
-
-#ifndef SYSERRLIST_IN_STDIO
-extern int sys_nerr;
-extern char *sys_errlist[];
-#endif
-extern time_t currenttime;
-extern pthread_mutex_t currenttime_mutex;
-extern int active_threads;
-extern pthread_mutex_t active_threads_mutex;
-extern pthread_mutex_t new_conn_mutex;
-extern int slapd_shutdown;
-extern pthread_t listener_tid;
-extern int num_conns;
-extern pthread_mutex_t ops_mutex;
-extern int g_argc;
-extern char **g_argv;
-
-int dtblsize;
-Connection *c;
-
-static void set_shutdown();
-static void do_nothing();
-
-void
-daemon(
- int port
+
+#ifdef HAVE_TCPD
+#include <tcpd.h>
+
+int allow_severity = LOG_INFO;
+int deny_severity = LOG_NOTICE;
+#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 */
+
+/* globals */
+time_t starttime;
+ber_socket_t dtblsize;
+
+Listener **slap_listeners = NULL;
+
+#define SLAPD_LISTEN 10
+
+static ber_socket_t wake_sds[2];
+
+#ifdef NO_THREADS
+static int waking;
+#define WAKE_LISTENER(w) \
+((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
+#else
+#define WAKE_LISTENER(w) \
+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 struct slap_daemon {
+ ldap_pvt_thread_mutex_t sd_mutex;
+
+ int sd_nactives;
+
+#ifndef HAVE_WINSOCK
+ /* In winsock, accept() returns values higher than dtblsize
+ so don't bother with this optimization */
+ int sd_nfds;
+#endif
+
+ fd_set sd_actives;
+ fd_set sd_readers;
+ fd_set sd_writers;
+} 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;
+
+void slapd_slp_init( const char* urls ) {
+ int i;
+
+ slapd_srvurls = 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 *) realloc( slapd_srvurls[i],
+ strlen( host ) +
+ sizeof( LDAP_SRVTYPE_PREFIX ) );
+ strcpy( slap_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 *) realloc( slapd_srvurls[i],
+ strlen( host ) +
+ sizeof( LDAPS_SRVTYPE_PREFIX ) );
+ strcpy( slap_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;
+
+ 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;
+
+ 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;
+
+ 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
+ */
+static void slapd_add(ber_socket_t s) {
+ ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
+
+ assert( !FD_ISSET( s, &slap_daemon.sd_actives ));
+ assert( !FD_ISSET( s, &slap_daemon.sd_readers ));
+ assert( !FD_ISSET( s, &slap_daemon.sd_writers ));
+
+#ifndef HAVE_WINSOCK
+ if (s >= slap_daemon.sd_nfds) {
+ slap_daemon.sd_nfds = s + 1;
+ }
+#endif
+
+ FD_SET( s, &slap_daemon.sd_actives );
+ FD_SET( s, &slap_daemon.sd_readers );
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
+ "slapd_add: added %ld%s%s\n",
+ (long)s,
+ FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
+ FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" ));
+#else
+ Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n",
+ (long) s,
+ FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
+ FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" );
+#endif
+ ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+}
+
+/*
+ * Remove the descriptor from daemon control
+ */
+void slapd_remove(ber_socket_t s, int wake) {
+ ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
+ "slapd_remove: removing %ld%s%s\n",
+ (long) s,
+ FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "",
+ FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" ));
+#else
+ 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" : "" );
+#endif
+ FD_CLR( s, &slap_daemon.sd_actives );
+ FD_CLR( s, &slap_daemon.sd_readers );
+ FD_CLR( s, &slap_daemon.sd_writers );
+
+ ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+ WAKE_LISTENER(wake);
+}
+
+void slapd_clr_write(ber_socket_t s, int wake) {
+ ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
+
+ assert( FD_ISSET( s, &slap_daemon.sd_actives) );
+ FD_CLR( s, &slap_daemon.sd_writers );
+
+ ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+ WAKE_LISTENER(wake);
+}
+
+void slapd_set_write(ber_socket_t s, int wake) {
+ ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
+
+ assert( FD_ISSET( s, &slap_daemon.sd_actives) );
+ 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 );
+ WAKE_LISTENER(wake);
+}
+
+void slapd_clr_read(ber_socket_t s, int wake) {
+ ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
+
+ assert( FD_ISSET( s, &slap_daemon.sd_actives) );
+ FD_CLR( s, &slap_daemon.sd_readers );
+
+ ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+ WAKE_LISTENER(wake);
+}
+
+void slapd_set_read(ber_socket_t s, int wake) {
+ ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
+
+ assert( FD_ISSET( s, &slap_daemon.sd_actives) );
+ if (!FD_ISSET(s, &slap_daemon.sd_readers))
+ FD_SET( s, &slap_daemon.sd_readers );
+
+ ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+ WAKE_LISTENER(wake);
+}
+
+static void slapd_close(ber_socket_t s) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
+ "slapd_close: closing %ld\n", (long)s ));
+#else
+ Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
+ (long) s, 0, 0 );
+#endif
+ 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);
+}
+
+#ifdef LDAP_PF_LOCAL
+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;
+
+ if ( strlen(value) != 3 ) {
+ return LDAP_OTHER;
+ }
+
+ for ( j = 0; j < 3; j++ ) {
+ static mode_t m[ 3 ]
+ = { S_IRWXU, S_IRWXG, S_IRWXO };
+
+ switch ( value[ j ] ) {
+ case 'w':
+ p |= m[ j ];
+ break;
+ case '-':
+ break;
+ default:
+ return LDAP_OTHER;
+ }
+ }
+
+ *crit = c;
+ *perms = p;
+
+ return LDAP_SUCCESS;
+ }
+ }
+
+ return LDAP_OTHER;
+}
+#endif /* LDAP_PF_LOCAL */
+
+/* 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) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_get_listener_addresses: domain socket path (%s) too long in URL\n",
+ host ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: domain socket path (%s) too long in URL",
+ host, 0, 0);
+#endif
+ 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 = AF_UNSPEC;
+ snprintf(serv, sizeof serv, "%d", port);
+
+ if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_get_listener_addresses: getaddrinfo failed: %s\n",
+ AC_GAI_STRERROR(err) ));
+#else
+ Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
+ AC_GAI_STRERROR(err), 0, 0);
+#endif
+ 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 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_get_listener_addresses: "
+ "getaddrinfo ai_addr is NULL?\n" ));
+#else
+ Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: "
+ "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 );
+#endif
+ 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
+ struct in_addr in;
+
+ if ( host == NULL ) {
+ in.s_addr = htonl(INADDR_ANY);
+
+ } else if ( !inet_aton( host, &in ) ) {
+ struct hostent *he = gethostbyname( host );
+ if( he == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_get_listener_addresses: invalid host %s\n",
+ host ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: invalid host %s", host, 0, 0);
+#endif
+ return -1;
+ }
+ AC_MEMCPY( &in, he->h_addr, sizeof( in ) );
+ }
+
+ *sal = ch_malloc(2 * sizeof(void *));
+ if (*sal == NULL) {
+ return -1;
+ }
+
+ sap = *sal;
+ *sap = ch_malloc(sizeof(struct sockaddr_in));
+ if (*sap == NULL) {
+ goto errexit;
+ }
+ sap[1] = NULL;
+
+ (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_in) );
+ (*sap)->sa_family = AF_INET;
+ ((struct sockaddr_in *)*sap)->sin_port = htons(port);
+ ((struct sockaddr_in *)*sap)->sin_addr = in;
+#endif
+ }
+
+ return 0;
+
+errexit:
+ slap_free_listener_addresses(*sal);
+ return -1;
+}
+
+static Listener * slap_open_listener(
+ const char* url )
+{
+ int tmp, rc;
+ Listener l;
+ Listener *li;
+ LDAPURLDesc *lud;
+ unsigned short port;
+ int err, addrlen = 0;
+ struct sockaddr **sal, **psal;
+ int socktype = SOCK_STREAM; /* default to COTS */
+#ifdef LDAP_PF_LOCAL
+ mode_t perms = S_IRWXU;
+ int crit = 1;
+#endif
+
+ rc = ldap_url_parse( url, &lud );
+
+ if( rc != LDAP_URL_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
+ "slap_open_listener: listen URL \"%s\" parse error %d\n",
+ url, rc ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: listen URL \"%s\" parse error=%d\n",
+ url, rc, 0 );
+#endif
+ return NULL;
+ }
+
+#ifndef HAVE_TLS
+ if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_open_listener: TLS is not supported (%s)\n",
+ url ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: TLS not supported (%s)\n",
+ url, 0, 0 );
+#endif
+ ldap_free_urldesc( lud );
+ return NULL;
+ }
+
+ if(! lud->lud_port ) {
+ lud->lud_port = LDAP_PORT;
+ }
+
+#else
+ l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
+
+ if(! lud->lud_port ) {
+ lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
+ }
+#endif
+
+ port = (unsigned short) lud->lud_port;
+
+ 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);
+ }
+
+ if ( lud->lud_exts ) {
+ err = get_url_perms( lud->lud_exts, &perms, &crit );
+ }
+#else
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_open_listener: URL scheme is not supported: %s\n",
+ url ));
+#else
+ Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
+ url, 0, 0);
+#endif
+ ldap_free_urldesc( lud );
+ return NULL;
+#endif
+ } else {
+#ifdef LDAP_CONNECTIONLESS
+ l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
+#endif
+ 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);
+ }
+ }
+
+ ldap_free_urldesc( lud );
+ if ( err ) {
+ return NULL;
+ }
+
+ psal = sal;
+ while ( *sal != NULL ) {
+ switch( (*sal)->sa_family ) {
+ case AF_INET:
+#ifdef LDAP_PF_INET6
+ case AF_INET6:
+#endif
+#ifdef LDAP_PF_LOCAL
+ case AF_LOCAL:
+#endif
+ break;
+ 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();
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
+ "slap_open_listener: socket() failed errno=%d (%s)\n",
+ err, sock_errstr(err) ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: socket() failed errno=%d (%s)\n", err,
+ sock_errstr(err), 0 );
+#endif
+ sal++;
+ continue;
+ }
+#ifndef HAVE_WINSOCK
+ if ( l.sl_sd >= dtblsize ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
+ "slap_open_listener: listener descriptor %ld is too great %ld\n",
+ (long)l.sl_sd, (long)dtblsize ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: listener descriptor %ld is too great %ld\n",
+ (long) l.sl_sd, (long) dtblsize, 0 );
+#endif
+ 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;
+ rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
+ (char *) &tmp, sizeof(tmp) );
+ if ( rc == AC_SOCKET_ERROR ) {
+ int err = sock_errno();
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_open_listener: setsockopt( %ld, SO_REUSEADDR ) failed errno %d (%s)\n",
+ (long)l.sl_sd, err, sock_errstr(err) ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
+ (long) l.sl_sd, err, sock_errstr(err) );
+#endif
+ }
+#endif
+ }
+
+ switch( (*sal)->sa_family ) {
+ case AF_INET:
+ addrlen = sizeof(struct sockaddr_in);
+ break;
+#ifdef LDAP_PF_INET6
+ case AF_INET6:
+ 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, *sal, addrlen))
+ break;
+ err = sock_errno();
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_open_listener: bind(%ld) failed errno=%d (%s)\n",
+ (long)l.sl_sd, err, sock_errstr(err) ));
+#else
+ Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
+ (long) l.sl_sd, err, sock_errstr(err) );
+#endif
+ tcp_close( l.sl_sd );
+ sal++;
+ } /* while ( *sal != NULL ) */
+
+ if ( *sal == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_open_listener: bind(%ld) failed.\n", (long)l.sl_sd ));
+#else
+ Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed\n",
+ (long) l.sl_sd, 0, 0 );
+#endif
+ slap_free_listener_addresses(psal);
+ return NULL;
+ }
+
+ switch ( (*sal)->sa_family ) {
+#ifdef LDAP_PF_LOCAL
+ case AF_LOCAL: {
+ char *addr = ((struct sockaddr_un *)*sal)->sun_path;
+ if ( chmod( addr, perms ) < 0 && crit ) {
+ int err = sock_errno();
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n",
+ (long)l.sl_sd, err, sock_errstr(err) ));
+#else
+ Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
+ (long) l.sl_sd, err, sock_errstr(err) );
+#endif
+ tcp_close( l.sl_sd );
+ slap_free_listener_addresses(psal);
+ return NULL;
+ }
+ l.sl_name = ch_malloc( strlen(addr) + sizeof("PATH=") );
+ sprintf( l.sl_name, "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 = ch_malloc( sizeof("IP=255.255.255.255:65535") );
+ sprintf( l.sl_name, "IP=%s:%d",
+ s != NULL ? s : "unknown" , port );
+ } 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 = ch_malloc( strlen(addr) + sizeof("IP= 65535") );
+ sprintf( l.sl_name, "IP=%s %d", addr, port );
+ } break;
+#endif /* LDAP_PF_INET6 */
+
+ default:
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_open_listener: unsupported address family (%d)\n",
+ (int)(*sal)->sa_family ));
+#else
+ Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
+ (int) (*sal)->sa_family, 0, 0 );
+#endif
+ break;
+ }
+
+ slap_free_listener_addresses(psal);
+
+ l.sl_url = ch_strdup( url );
+ li = ch_malloc( sizeof( Listener ) );
+ *li = l;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_RESULTS,
+ "slap_open_listener: daemon initialzed %s\n", l.sl_url ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
+ l.sl_url, 0, 0 );
+#endif
+ return li;
+}
+
+static int sockinit(void);
+static int sockdestroy(void);
+
+int slapd_daemon_init( const char *urls )
+{
+ int i, rc;
+ char **u;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_ARGS,
+ "slapd_daemon_init: %s\n",
+ urls ? urls : "<null>" ));
+#else
+ Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
+ urls ? urls : "<null>", 0, 0 );
+#endif
+ if( (rc = sockinit()) != 0 ) {
+ return rc;
+ }
+
+#ifdef HAVE_SYSCONF
+ dtblsize = sysconf( _SC_OPEN_MAX );
+#elif HAVE_GETDTABLESIZE
+ dtblsize = getdtablesize();
+#else
+ dtblsize = FD_SETSIZE;
+#endif
+
+#ifdef FD_SETSIZE
+ if(dtblsize > FD_SETSIZE) {
+ dtblsize = FD_SETSIZE;
+ }
+#endif /* !FD_SETSIZE */
+
+ /* 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( (rc = lutil_pair( wake_sds )) < 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
+ "slap_daemon_init: lutil_pair() failed rc=%d\n", rc ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
+#endif
+ return rc;
+ }
+
+ FD_ZERO( &slap_daemon.sd_readers );
+ FD_ZERO( &slap_daemon.sd_writers );
+
+ if( urls == NULL ) {
+ urls = "ldap:///";
+ }
+
+ u = str2charray( urls, " " );
+
+ if( u == NULL || u[0] == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
+ "slap_daemon_init: no urls (%s) provided.\n", urls ));
+#else
+ Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
+ urls, 0, 0 );
+#endif
+ return -1;
+ }
+
+ for( i=0; u[i] != NULL; i++ ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
+ "slap_daemon_init: listen on %s\n.", u[i] ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
+ u[i], 0, 0 );
+#endif
+ }
+
+ if( i == 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_daemon_init: no listeners to open (%s)\n", urls ));
+#else
+ Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
+ urls, 0, 0 );
+#endif
+ charray_free( u );
+ return -1;
+ }
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slap_daemon_init: %d listeners to open...\n", i ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
+ i, 0, 0 );
+#endif
+ slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
+
+ for(i = 0; u[i] != NULL; i++ ) {
+ slap_listeners[i] = slap_open_listener( u[i] );
+
+ if( slap_listeners[i] == NULL ) {
+ charray_free( u );
+ return -1;
+ }
+ }
+ slap_listeners[i] = NULL;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
+ "slap_daemon_init: %d listeners opened\n", i ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
+ i, 0, 0 );
+#endif
+
+#ifdef HAVE_SLP
+ slapd_slp_init( urls );
+ slapd_slp_reg();
+#endif
+
+ charray_free( u );
+ ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
+ return !i;
+}
+
+
+int
+slapd_daemon_destroy(void)
+{
+ connections_destroy();
+ tcp_close( wake_sds[1] );
+ tcp_close( wake_sds[0] );
+ sockdestroy();
+
+#ifdef HAVE_SLP
+ slapd_slp_dereg();
+ slapd_slp_deinit();
+#endif
+
+ return 0;
+}
+
+
+static void *
+slapd_daemon_task(
+ void *ptr
)
{
- Operation *o;
- BerElement ber;
- unsigned long len, tag, msgid;
- int i;
- int tcps, ns;
- struct sockaddr_in addr;
- fd_set readfds;
- fd_set writefds;
- FILE *fp;
- int on = 1;
-
-#ifdef USE_SYSCONF
- dtblsize = sysconf( _SC_OPEN_MAX );
-#else /* USE_SYSCONF */
- dtblsize = getdtablesize();
-#endif /* USE_SYSCONF */
-
- c = (Connection *) ch_calloc( 1, dtblsize * sizeof(Connection) );
-
- for ( i = 0; i < dtblsize; i++ ) {
- c[i].c_dn = NULL;
- c[i].c_addr = NULL;
- c[i].c_domain = NULL;
- c[i].c_ops = NULL;
- c[i].c_sb.sb_sd = -1;
- c[i].c_sb.sb_options = LBER_NO_READ_AHEAD;
- c[i].c_sb.sb_naddr = 0;
- c[i].c_sb.sb_ber.ber_buf = NULL;
- c[i].c_sb.sb_ber.ber_ptr = NULL;
- c[i].c_sb.sb_ber.ber_end = NULL;
- c[i].c_writewaiter = 0;
- c[i].c_connid = 0;
- pthread_mutex_init( &c[i].c_dnmutex,
- pthread_mutexattr_default );
- pthread_mutex_init( &c[i].c_opsmutex,
- pthread_mutexattr_default );
- pthread_mutex_init( &c[i].c_pdumutex,
- pthread_mutexattr_default );
- pthread_cond_init( &c[i].c_wcv, pthread_condattr_default );
- }
-
- if ( (tcps = socket( AF_INET, SOCK_STREAM, 0 )) == -1 ) {
- Debug( LDAP_DEBUG_ANY, "socket() failed errno %d (%s)", errno,
- errno > -1 && errno < sys_nerr ? sys_errlist[errno] :
- "unknown", 0 );
- exit( 1 );
- }
-
- i = 1;
- if ( setsockopt( tcps, SOL_SOCKET, SO_REUSEADDR, (char *) &i,
- sizeof(i) ) == -1 ) {
- Debug( LDAP_DEBUG_ANY, "setsockopt() failed errno %d (%s)",
- errno, errno > -1 && errno < sys_nerr ? sys_errlist[errno] :
- "unknown", 0 );
- }
-
- (void) memset( (void *) &addr, '\0', sizeof(addr) );
- addr.sin_family = AF_INET;
- addr.sin_addr.s_addr = INADDR_ANY;
- addr.sin_port = htons( port );
- if ( bind( tcps, (struct sockaddr *) &addr, sizeof(addr) ) == -1 ) {
- Debug( LDAP_DEBUG_ANY, "bind() failed errno %d (%s)\n",
- errno, errno > -1 && errno < sys_nerr ? sys_errlist[errno] :
- "unknown", 0 );
- exit( 1 );
- }
-
- if ( listen( tcps, 5 ) == -1 ) {
- Debug( LDAP_DEBUG_ANY, "listen() failed errno %d (%s)",
- errno, errno > -1 && errno < sys_nerr ? sys_errlist[errno] :
- "unknown", 0 );
- exit( 1 );
- }
-
- (void) SIGNAL( SIGPIPE, SIG_IGN );
- (void) SIGNAL( SIGUSR1, (void *) do_nothing );
- (void) SIGNAL( SIGUSR2, (void *) set_shutdown );
- (void) SIGNAL( SIGTERM, (void *) set_shutdown );
- (void) SIGNAL( SIGHUP, (void *) set_shutdown );
-
- Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
-#ifdef SLAPD_PIDFILE
- if ( (fp = fopen( SLAPD_PIDFILE, "w" )) != NULL ) {
- fprintf( fp, "%d\n", getpid() );
- fclose( fp );
- }
-#endif
-#ifdef SLAPD_ARGSFILE
- if ( (fp = fopen( SLAPD_ARGSFILE, "w" )) != NULL ) {
- for ( i = 0; i < g_argc; i++ ) {
- fprintf( fp, "%s ", g_argv[i] );
- }
- fprintf( fp, "\n" );
- fclose( fp );
+ int l;
+ time_t last_idle_check = 0;
+ time( &starttime );
+
+ if ( global_idletimeout > 0 ) {
+ last_idle_check = slap_get_time();
+ }
+ 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 );
+ continue;
+ }
+#endif
+
+ if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
+ int err = sock_errno();
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
+ "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n",
+ slap_listeners[l]->sl_url, err, sock_errstr(err) ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: listen(%s, 5) failed errno=%d (%s)\n",
+ slap_listeners[l]->sl_url, err,
+ sock_errstr(err) );
+#endif
+ return( (void*)-1 );
+ }
+
+ slapd_add( slap_listeners[l]->sl_sd );
+ }
+
+#ifdef HAVE_NT_SERVICE_MANAGER
+ if ( started_event != NULL ) {
+ ldap_pvt_thread_cond_signal( &started_event );
}
#endif
+ /* initialization complete. Here comes the loop. */
while ( !slapd_shutdown ) {
- struct sockaddr_in from;
+ ber_socket_t i;
+ int ns;
+ int at;
+ ber_socket_t nfds;
+#define SLAPD_EBADF_LIMIT 16
+ int ebadf = 0;
+ int emfile = 0;
+
+#define SLAPD_IDLE_CHECK_LIMIT 4
+ time_t now;
+
+
+ fd_set readfds;
+ fd_set writefds;
+ Sockaddr from;
+
+#if defined(SLAPD_RLOOKUPS)
struct hostent *hp;
+#endif
struct timeval zero;
struct timeval *tvp;
- int len, pid;
- FD_ZERO( &writefds );
- FD_ZERO( &readfds );
- FD_SET( tcps, &readfds );
-
- pthread_mutex_lock( &active_threads_mutex );
- Debug( LDAP_DEBUG_CONNS,
- "listening for connections on %d, activity on:",
- tcps, 0, 0 );
- for ( i = 0; i < dtblsize; i++ ) {
- if ( c[i].c_sb.sb_sd != -1 ) {
- FD_SET( c[i].c_sb.sb_sd, &readfds );
-
- if ( c[i].c_writewaiter ) {
- FD_SET( c[i].c_sb.sb_sd, &writefds );
- }
- Debug( LDAP_DEBUG_CONNS, " %dr%s", i,
- c[i].c_writewaiter ? "w" : "", 0 );
+ if( emfile ) {
+ now = slap_get_time();
+ connections_timeout_idle( now );
+ }
+ else if ( global_idletimeout > 0 ) {
+ now = slap_get_time();
+ if ( difftime( last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
+ connections_timeout_idle( now );
}
}
- Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
+
+ FD_ZERO( &writefds );
+ FD_ZERO( &readfds );
zero.tv_sec = 0;
zero.tv_usec = 0;
- Debug( LDAP_DEBUG_CONNS, "before select active_threads %d\n",
- active_threads, 0, 0 );
-#ifdef PTHREAD_PREEMPTIVE
+
+ ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
+
+#ifdef FD_SET_MANUAL_COPY
+ for( s = 0; s < nfds; s++ ) {
+ if(FD_ISSET( &slap_sd_readers, s )) {
+ FD_SET( s, &readfds );
+ }
+ if(FD_ISSET( &slap_sd_writers, s )) {
+ FD_SET( s, &writefds );
+ }
+ }
+#else
+ AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
+ AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
+#endif
+ 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;
+ if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
+ FD_SET( slap_listeners[l]->sl_sd, &readfds );
+ }
+
+#ifndef HAVE_WINSOCK
+ nfds = slap_daemon.sd_nfds;
+#else
+ nfds = dtblsize;
+#endif
+
+ ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+
+ at = ldap_pvt_thread_pool_backload(&connection_pool);
+
+#if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
tvp = NULL;
#else
- tvp = active_threads ? &zero : NULL;
+ tvp = at ? &zero : NULL;
#endif
- pthread_mutex_unlock( &active_threads_mutex );
- switch ( select( dtblsize, &readfds, &writefds, 0, tvp ) ) {
- case -1: /* failure - try again */
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
+ continue;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
+ "slapd_daemon_task: select: listen=%d active_threads=%d tvp=%s\n",
+ slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" ));
+#else
Debug( LDAP_DEBUG_CONNS,
- "select failed errno %d (%s)\n",
- errno, errno > -1 && errno < sys_nerr ?
- sys_errlist[errno] : "unknown", 0 );
+ "daemon: select: listen=%d active_threads=%d tvp=%s\n",
+ slap_listeners[l]->sl_sd, at,
+ tvp == NULL ? "NULL" : "zero" );
+#endif
+ }
+
+ switch(ns = select( nfds, &readfds,
+#ifdef HAVE_WINSOCK
+ /* don't pass empty fd_set */
+ ( writefds.fd_count > 0 ? &writefds : NULL ),
+#else
+ &writefds,
+#endif
+ NULL, tvp ))
+ {
+ case -1: { /* failure - try again */
+ int err = sock_errno();
+
+ if( err == EBADF
+#ifdef WSAENOTSOCK
+ /* you'd think this would be EBADF */
+ || err == WSAENOTSOCK
+#endif
+ ) {
+ if (++ebadf < SLAPD_EBADF_LIMIT)
+ continue;
+ }
+
+ if( err != EINTR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slapd_daemon_task: select failed (%d): %s\n",
+ err, sock_errstr(err) ));
+#else
+ Debug( LDAP_DEBUG_CONNS,
+ "daemon: select failed (%d): %s\n",
+ err, sock_errstr(err), 0 );
+#endif
+ slapd_shutdown = 2;
+ }
+ }
continue;
case 0: /* timeout - let threads run */
- Debug( LDAP_DEBUG_CONNS, "select timeout - yielding\n",
+ ebadf = 0;
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
+ "slapd_daemon_task: select timeout - yielding\n" ));
+#else
+ Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
0, 0, 0 );
- pthread_yield();
+#endif
+ ldap_pvt_thread_yield();
continue;
default: /* something happened - deal with it */
- Debug( LDAP_DEBUG_CONNS, "select activity\n", 0, 0, 0 );
- ; /* FALL */
- }
- pthread_mutex_lock( ¤ttime_mutex );
- time( ¤ttime );
- pthread_mutex_unlock( ¤ttime_mutex );
-
- /* new connection */
- pthread_mutex_lock( &new_conn_mutex );
- if ( FD_ISSET( tcps, &readfds ) ) {
- len = sizeof(from);
- if ( (ns = accept( tcps, (struct sockaddr *) &from,
- &len )) == -1 ) {
- Debug( LDAP_DEBUG_ANY,
- "accept() failed errno %d (%s)", errno,
- errno > -1 && errno < sys_nerr ?
- sys_errlist[errno] : "unknown", 0 );
- pthread_mutex_unlock( &new_conn_mutex );
+ if( slapd_shutdown ) continue;
+
+ ebadf = 0;
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
+ "slapd_daemon_task: activity on %d descriptors\n", ns ));
+#else
+ Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
+ ns, 0, 0 );
+#endif
+ /* FALL THRU */
+ }
+
+ if( FD_ISSET( wake_sds[0], &readfds ) ) {
+ char c[BUFSIZ];
+ tcp_read( wake_sds[0], c, sizeof(c) );
+#ifdef NO_THREADS
+ waking = 0;
+#endif
+ continue;
+ }
+
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ ber_socket_t s;
+ socklen_t len = sizeof(from);
+ long id;
+ slap_ssf_t ssf = 0;
+ char *authid = NULL;
+
+ char *dnsname = NULL;
+ char *peeraddr;
+#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 */
+
+ 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]->sl_url, "", "",
+ slap_listeners[l]->sl_name,
+ 2, ssf, authid );
+ slap_listeners[l]->sl_is_udp++;
+ }
+ continue;
+ }
+#endif
+
+ s = accept( slap_listeners[l]->sl_sd,
+ (struct sockaddr *) &from, &len );
+ if ( s == AC_SOCKET_INVALID ) {
+ int err = sock_errno();
+
+#ifdef EMFILE
+ if( err == EMFILE ) {
+ emfile++;
+ } else
+#endif
+#ifdef ENFILE
+ if( err == ENFILE ) {
+ emfile++;
+ } else
+#endif
+ {
+ emfile=0;
+ }
+
+ if( emfile < 3 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
+ "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n",
+ (long)slap_listeners[l]->sl_sd, err, sock_errstr(err) ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: accept(%ld) failed errno=%d (%s)\n",
+ (long) slap_listeners[l]->sl_sd, err,
+ sock_errstr(err) );
+#endif
+ } else {
+ /* prevent busy loop */
+# ifdef HAVE_USLEEP
+ if( emfile % 4 == 3 ) usleep( 250 );
+# else
+ if( emfile % 8 == 7 ) sleep( 1 );
+# endif
+ }
+
+ ldap_pvt_thread_yield();
continue;
}
- if ( ioctl( ns, FIONBIO, (caddr_t) &on ) == -1 ) {
+ emfile = 0;
+
+#ifndef HAVE_WINSOCK
+ /* make sure descriptor number isn't too great */
+ if ( s >= dtblsize ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
+ "slapd_daemon_task: %ld beyond descriptor table size %ld\n",
+ (long)s, (long)dtblsize ));
+#else
Debug( LDAP_DEBUG_ANY,
- "FIONBIO ioctl on %d faled\n", ns, 0, 0 );
+ "daemon: %ld beyond descriptor table size %ld\n",
+ (long) s, (long) dtblsize, 0 );
+#endif
+
+ slapd_close(s);
+ ldap_pvt_thread_yield();
+ continue;
}
- c[ns].c_sb.sb_sd = ns;
- Debug( LDAP_DEBUG_CONNS, "new connection on %d\n", ns,
- 0, 0 );
-
- pthread_mutex_lock( &ops_mutex );
- c[ns].c_connid = num_conns++;
- pthread_mutex_unlock( &ops_mutex );
- len = sizeof(from);
- if ( getpeername( ns, (struct sockaddr *) &from, &len )
- == 0 ) {
- char *s;
-#ifdef REVERSE_LOOKUP
- hp = gethostbyaddr( (char *)
- &(from.sin_addr.s_addr),
- sizeof(from.sin_addr.s_addr), AF_INET );
-#else
- hp = NULL;
-#endif
-
- Statslog( LDAP_DEBUG_STATS,
- "conn=%d fd=%d connection from %s (%s)\n",
- c[ns].c_connid, ns, hp == NULL ? "unknown"
- : hp->h_name, inet_ntoa( from.sin_addr ),
- 0 );
-
- if ( c[ns].c_addr != NULL ) {
- free( c[ns].c_addr );
- }
- c[ns].c_addr = strdup( inet_ntoa(
- from.sin_addr ) );
- if ( c[ns].c_domain != NULL ) {
- free( c[ns].c_domain );
+#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
+
+#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();
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
+ "slapd_daemon_task: setsockopt( %ld, SO_KEEPALIVE) failed errno=%d (%s)\n",
+ (long)s, err, sock_errstr(err) ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
+ "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
+#endif
}
- c[ns].c_domain = strdup( hp == NULL ? "" :
- hp->h_name );
- /* normalize the domain */
- for ( s = c[ns].c_domain; *s; s++ ) {
- *s = TOLOWER( *s );
+#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();
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
+ "slapd_daemon_task: setsockopt( %ld, TCP_NODELAY) failed errno=%d (%s)\n",
+ (long)s, err, sock_errstr(err) ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "slapd(%ld): setsockopt(TCP_NODELAY) failed "
+ "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
+#endif
}
+#endif
+ }
+#endif
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL1,
+ "slapd_daemon_task: new connection on %ld\n", (long)s ));
+#else
+ Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
+ (long) s, 0, 0 );
+#endif
+ switch ( from.sa_addr.sa_family ) {
+# ifdef LDAP_PF_LOCAL
+ case AF_LOCAL:
+ sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
+ ssf = LDAP_PVT_SASL_LOCAL_SSF;
+ 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 : "unknown",
+ (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
} else {
- Statslog( LDAP_DEBUG_STATS,
- "conn=%d fd=%d connection from unknown\n",
- c[ns].c_connid, ns, 0, 0, 0 );
+ char addr[INET6_ADDRSTRLEN];
+ sprintf( peername, "IP=%s %d",
+ inet_ntop( AF_INET6,
+ &from.sa_in6_addr.sin6_addr,
+ addr, sizeof addr) ? addr : "unknown",
+ (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
+ }
+ break;
+# endif /* LDAP_PF_INET6 */
+
+ case AF_INET:
+ peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
+ sprintf( peername, "IP=%s:%d",
+ peeraddr != NULL ? peeraddr : "unknown",
+ (unsigned) ntohs( from.sa_in_addr.sin_port ) );
+ break;
+
+ default:
+ slapd_close(s);
+ continue;
+ }
+
+ 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 ) {
+# ifdef LDAP_PF_INET6
+ if ( from.sa_addr.sa_family == AF_INET6 )
+ hp = gethostbyaddr(
+ (char *)&(from.sa_in6_addr.sin6_addr),
+ sizeof(from.sa_in6_addr.sin6_addr),
+ AF_INET6 );
+ else
+# endif /* LDAP_PF_INET6 */
+ hp = gethostbyaddr(
+ (char *) &(from.sa_in_addr.sin_addr),
+ sizeof(from.sa_in_addr.sin_addr),
+ AF_INET );
+ dnsname = hp ? ldap_pvt_str2lower( hp->h_name ) : NULL;
+ }
+#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 host access from %s (%s) denied.\n",
+ (long) s,
+ dnsname != NULL ? dnsname : "unknown",
+ peeraddr != NULL ? peeraddr : "unknown",
+ 0, 0 );
+ slapd_close(s);
+ continue;
+ }
+#endif /* HAVE_TCPD */
}
- pthread_mutex_lock( &c[ns].c_dnmutex );
- if ( c[ns].c_dn != NULL ) {
- free( c[ns].c_dn );
- c[ns].c_dn = NULL;
+
+ id = connection_init(s,
+ slap_listeners[l]->sl_url,
+ dnsname != NULL ? dnsname : "unknown",
+ peername,
+ slap_listeners[l]->sl_name,
+#ifdef HAVE_TLS
+ slap_listeners[l]->sl_is_tls,
+#else
+ 0,
+#endif
+ ssf,
+ authid );
+
+ if( authid ) ch_free(authid);
+
+ if( id < 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_INFO,
+ "slapd_daemon_task: connection_init(%ld, %s, %s) failed.\n",
+ (long)s, peername, slap_listeners[l]->sl_name ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: connection_init(%ld, %s, %s) failed.\n",
+ (long) s,
+ peername,
+ slap_listeners[l]->sl_name );
+#endif
+ slapd_close(s);
+ continue;
}
- pthread_mutex_unlock( &c[ns].c_dnmutex );
- c[ns].c_starttime = currenttime;
- c[ns].c_opsinitiated = 0;
- c[ns].c_opscompleted = 0;
+
+ Statslog( LDAP_DEBUG_STATS,
+ "daemon: conn=%ld fd=%ld connection from %s (%s) accepted.\n",
+ id, (long) s,
+ peername,
+ slap_listeners[l]->sl_name,
+ 0 );
+
+ slapd_add( s );
+ continue;
+ }
+
+#ifdef LDAP_DEBUG
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
+ "slapd_daemon_task: activity on " ));
+#else
+ Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
+#endif
+#ifdef HAVE_WINSOCK
+ for ( i = 0; i < readfds.fd_count; i++ ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
+ " %d%s", readfds.fd_array[i], "r", 0 ));
+#else
+ Debug( LDAP_DEBUG_CONNS, " %d%s",
+ readfds.fd_array[i], "r", 0 );
+#endif
+ }
+ for ( i = 0; i < writefds.fd_count; i++ ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
+ " %d%s", writefds.fd_array[i], "w" ));
+#else
+ Debug( LDAP_DEBUG_CONNS, " %d%s",
+ writefds.fd_array[i], "w", 0 );
+#endif
}
- pthread_mutex_unlock( &new_conn_mutex );
- Debug( LDAP_DEBUG_CONNS, "activity on:", 0, 0, 0 );
- for ( i = 0; i < dtblsize; i++ ) {
+#else
+ for ( i = 0; i < nfds; i++ ) {
int r, w;
+ int is_listener = 0;
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( i == slap_listeners[l]->sl_sd ) {
+#ifdef LDAP_CONNECTIONLESS
+ /* The listener is the data port. Don't
+ * skip it.
+ */
+ if (slap_listeners[l]->sl_is_udp)
+ continue;
+#endif
+ is_listener = 1;
+ break;
+ }
+ }
+ if ( is_listener ) {
+ continue;
+ }
r = FD_ISSET( i, &readfds );
w = FD_ISSET( i, &writefds );
- if ( i != tcps && (r || w) ) {
+ if ( r || w ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
+ " %d%s%s", i,
+ r ? "r" : "", w ? "w" : "" ));
+#else
Debug( LDAP_DEBUG_CONNS, " %d%s%s", i,
r ? "r" : "", w ? "w" : "" );
+#endif
}
}
+#endif
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2, "\n" ));
+#else
Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
+#endif
+
+#endif
+
+ /* loop through the writers */
+#ifdef HAVE_WINSOCK
+ for ( i = 0; i < writefds.fd_count; i++ )
+#else
+ for ( i = 0; i < nfds; i++ )
+#endif
+ {
+ ber_socket_t wd;
+ int is_listener = 0;
+#ifdef HAVE_WINSOCK
+ wd = writefds.fd_array[i];
+#else
+ if( ! FD_ISSET( i, &writefds ) ) {
+ continue;
+ }
+ wd = i;
+#endif
- for ( i = 0; i < dtblsize; i++ ) {
- if ( i == tcps || (! FD_ISSET( i, &readfds ) &&
- ! FD_ISSET( i, &writefds )) ) {
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( i == slap_listeners[l]->sl_sd ) {
+#ifdef LDAP_CONNECTIONLESS
+ if (slap_listeners[l]->sl_is_udp)
+ continue;
+#endif
+ is_listener = 1;
+ break;
+ }
+ }
+ if ( is_listener ) {
continue;
}
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
+ "slapd_daemon_task: write active on %d\n", wd ));
+#else
+ Debug( LDAP_DEBUG_CONNS,
+ "daemon: write active on %d\n",
+ wd, 0, 0 );
+#endif
+ /*
+ * NOTE: it is possible that the connection was closed
+ * and that the stream is now inactive.
+ * connection_write() must valid the stream is still
+ * active.
+ */
+
+ if ( connection_write( wd ) < 0 ) {
+ FD_CLR( (unsigned) wd, &readfds );
+ slapd_close( wd );
+ }
+ }
+
+#ifdef HAVE_WINSOCK
+ for ( i = 0; i < readfds.fd_count; i++ )
+#else
+ for ( i = 0; i < nfds; i++ )
+#endif
+ {
+ ber_socket_t rd;
+ int is_listener = 0;
- if ( FD_ISSET( i, &writefds ) ) {
- Debug( LDAP_DEBUG_CONNS,
- "signaling write waiter on %d\n", i, 0, 0 );
+#ifdef HAVE_WINSOCK
+ rd = readfds.fd_array[i];
+#else
+ if( ! FD_ISSET( i, &readfds ) ) {
+ continue;
+ }
+ rd = i;
+#endif
- pthread_mutex_lock( &active_threads_mutex );
- pthread_cond_signal( &c[i].c_wcv );
- c[i].c_writewaiter = 0;
- active_threads++;
- pthread_mutex_unlock( &active_threads_mutex );
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( rd == slap_listeners[l]->sl_sd ) {
+#ifdef LDAP_CONNECTIONLESS
+ if (slap_listeners[l]->sl_is_udp)
+ continue;
+#endif
+ is_listener = 1;
+ break;
+ }
+ }
+ if ( is_listener ) {
+ continue;
}
- if ( FD_ISSET( i, &readfds ) ) {
- Debug( LDAP_DEBUG_CONNS,
- "read activity on %d\n", i, 0, 0 );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_DETAIL2,
+ "slapd_daemon_task: read activity on %d\n", rd ));
+#else
+ Debug ( LDAP_DEBUG_CONNS,
+ "daemon: read activity on %d\n", rd, 0, 0 );
+#endif
+ /*
+ * NOTE: it is possible that the connection was closed
+ * and that the stream is now inactive.
+ * connection_read() must valid the stream is still
+ * active.
+ */
- connection_activity( &c[i] );
+ if ( connection_read( rd ) < 0 ) {
+ slapd_close( rd );
}
}
+ ldap_pvt_thread_yield();
+ }
+
+ if( slapd_shutdown == 1 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
+ "slapd_daemon_task: shutdown requested and initiated.\n"));
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "daemon: shutdown requested and initiated.\n",
+ 0, 0, 0 );
+#endif
+
+ } else if ( slapd_shutdown == 2 ) {
+#ifdef HAVE_NT_SERVICE_MANAGER
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
+ "slapd_daemon_task: shutdown initiated by Service Manager.\n"));
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "daemon: shutdown initiated by Service Manager.\n",
+ 0, 0, 0);
+#endif
+#else /* !HAVE_NT_SERVICE_MANAGER */
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
+ "slapd_daemon_task: abnormal condition, shutdown initiated.\n" ));
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "daemon: abnormal condition, shutdown initiated.\n",
+ 0, 0, 0 );
+#endif
+#endif /* !HAVE_NT_SERVICE_MANAGER */
+ } else {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
+ "slapd_daemon_task: no active streams, shutdown initiated.\n" ));
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "daemon: no active streams, shutdown initiated.\n",
+ 0, 0, 0 );
+#endif
+ }
- pthread_yield();
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
+#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 )
+ free ( slap_listeners[l]->sl_url );
+ if ( slap_listeners[l]->sl_name )
+ free ( slap_listeners[l]->sl_name );
+ free ( slap_listeners[l] );
}
+ free ( slap_listeners );
+ slap_listeners = NULL;
- close( tcps );
- pthread_mutex_lock( &active_threads_mutex );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
+ "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n",
+ ldap_pvt_thread_pool_backload(&connection_pool) ));
+#else
Debug( LDAP_DEBUG_ANY,
- "slapd shutting down - waiting for %d threads to terminate\n",
- active_threads, 0, 0 );
- while ( active_threads > 0 ) {
- pthread_mutex_unlock( &active_threads_mutex );
- pthread_yield();
- pthread_mutex_lock( &active_threads_mutex );
- }
- pthread_mutex_unlock( &active_threads_mutex );
-
- /* let backends do whatever cleanup they need to do */
- Debug( LDAP_DEBUG_TRACE,
- "slapd shutting down - waiting for backends to close down\n", 0, 0,
- 0 );
- be_close();
- Debug( LDAP_DEBUG_ANY, "slapd stopping\n", 0, 0, 0 );
+ "slapd shutdown: waiting for %d threads to terminate\n",
+ ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
+#endif
+ ldap_pvt_thread_pool_destroy(&connection_pool, 1);
+
+ return NULL;
+}
+
+
+int slapd_daemon( void )
+{
+ int rc;
+
+ connections_init();
+
+#define SLAPD_LISTENER_THREAD 1
+#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 );
+
+ if ( rc != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_ERR,
+ "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n", rc ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
+#endif
+ return rc;
+ }
+
+ /* wait for the listener thread to complete */
+ ldap_pvt_thread_join( listener_tid, (void *) NULL );
+ }
+#else
+ /* experimental code */
+ slapd_daemon_task( NULL );
+#endif
+
+ return 0;
+
+}
+
+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. */
+ 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. */
+
+ if ( LOBYTE( wsaData.wVersion ) != 2 ||
+ HIBYTE( wsaData.wVersion ) != 0 )
+ {
+ /* Tell the user that we couldn't find a usable */
+ /* WinSock DLL. */
+ WSACleanup();
+ 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;
}
-static void
-set_shutdown()
+RETSIGTYPE
+slap_sig_shutdown( int sig )
{
- Debug( LDAP_DEBUG_ANY, "slapd got shutdown signal\n", 0, 0, 0 );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
+ "slap_sig_shutdown: signal %d\n", sig ));
+#else
+ Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
+#endif
+
+ /*
+ * 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 HAVE_NT_SERVICE_MANAGER && SIGBREAK
+ if (is_NT_Service && sig == SIGBREAK)
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "connection", LDAP_LEVEL_CRIT,
+ "slap_sig_shutdown: SIGBREAK ignored.\n" ));
+#else
+ Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
+ 0, 0, 0);
+#endif
+ else
+#endif
slapd_shutdown = 1;
- pthread_kill( listener_tid, SIGUSR1 );
- (void) SIGNAL( SIGUSR2, (void *) set_shutdown );
- (void) SIGNAL( SIGTERM, (void *) set_shutdown );
- (void) SIGNAL( SIGHUP, (void *) set_shutdown );
+
+ WAKE_LISTENER(1);
+
+ /* reinstall self */
+ (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
}
-static void
-do_nothing()
+RETSIGTYPE
+slap_sig_wake( int sig )
{
- Debug( LDAP_DEBUG_TRACE, "slapd got SIGUSR1\n", 0, 0, 0 );
- (void) SIGNAL( SIGUSR1, (void *) do_nothing );
+ WAKE_LISTENER(1);
+
+ /* reinstall self */
+ (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
+}
+
+
+void slapd_add_internal(ber_socket_t s) {
+ slapd_add(s);
+}
+
+Listener ** slapd_get_listeners(void) {
+ return slap_listeners;
}
projects / openldap / blobdiff