126 static int nsldapi_iostatus_init_nolock( LDAP *ld );
157 static LBER_SOCKET nsldapi_os_socket( LDAP *ld, int secure, int domain,
161 	int namelen, LDAP *ld);
166 typedef LBER_SOCKET (NSLDAPI_SOCKET_FN)( LDAP *ld, int secure, int domain,
170 	int namelen, LDAP *ld);
175 static int nsldapi_try_each_host( LDAP *ld, const char *hostlist, int defport,
196 nsldapi_os_socket( LDAP *ld, int secure, int domain, int type, int protocol )  in nsldapi_os_socket()  argument
202 		LDAP_SET_LDERRNO( ld, LDAP_LOCAL_ERROR, NULL,  in nsldapi_os_socket()
232 		LDAP_SET_LDERRNO( ld, LDAP_LOCAL_ERROR, NULL, errmsg );  in nsldapi_os_socket()
246 	int salen, LDAP *ld)  argument
260 	int		msec = ld->ld_connect_timeout; /* milliseconds */
375 			if ((ld->ld_options & LDAP_BITOPT_RESTART) &&
466 nsldapi_connect_to_host( LDAP *ld, Sockbuf *sb, const char *hostlist,  argument
482 	if ( NULL != ld->ld_extconnect_fn ) {
485 		if ( ld->ld_options & LDAP_BITOPT_ASYNC) {
491 		s = ld->ld_extconnect_fn( hostlist, defport,
492 		    ld->ld_connect_timeout, connect_opts,
493 		    ld->ld_ext_session_arg,
502 		s = nsldapi_try_each_host( ld, hostlist,
509 		LDAP_SET_LDERRNO( ld, LDAP_CONNECT_ERROR, NULL, NULL );
537 nsldapi_try_each_host( LDAP *ld, const char *hostlist,  argument
569 			if ( ld->ld_dns_gethostbyname_fn == NULL ) {
580 				if ( sizeof( hbuf ) < ld->ld_dns_bufsize ) {
582 					    = NSLDAPI_MALLOC( ld->ld_dns_bufsize );
588 				    ld->ld_dns_bufsize );
592 					LDAP_SET_LDERRNO( ld, LDAP_NO_MEMORY,
599 				if (( ldhp = ld->ld_dns_gethostbyname_fn( host,
600 				    &ldhent, ldhpbuf, ld->ld_dns_bufsize, &err,
601 				    ld->ld_dns_extradata )) != NULL ) {
607 				LDAP_SET_LDERRNO( ld, LDAP_CONNECT_ERROR, NULL, NULL );
608 				LDAP_SET_ERRNO( ld, EHOSTUNREACH );  /* close enough */
621 			if ( -1 == ( s = (*socketfn)( ld, secure, AF_INET,
631 			if ( ld->ld_options & LDAP_BITOPT_ASYNC ) {
672 						ld);
691 				if ( ld->ld_options & LDAP_BITOPT_ASYNC) {
694 						LDAP_SET_ERRNO( ld, EWOULDBLOCK );
696 					err = LDAP_GET_ERRNO( ld );
737 nsldapi_close_connection( LDAP *ld, Sockbuf *sb )  argument
739 	if ( ld->ld_extclose_fn == NULL ) {
742 		ld->ld_extclose_fn( sb->sb_sd,
786 nsldapi_iostatus_interest_write( LDAP *ld, Sockbuf *sb )  argument
790 	LDAP_MUTEX_LOCK( ld, LDAP_IOSTATUS_LOCK );
792 	if ( ld->ld_iostatus == NULL
793 	    && nsldapi_iostatus_init_nolock( ld ) < 0 ) {
794 		LDAP_MUTEX_UNLOCK( ld, LDAP_IOSTATUS_LOCK );
798 	iosp = ld->ld_iostatus;
827 	LDAP_MUTEX_UNLOCK( ld, LDAP_IOSTATUS_LOCK );
838 nsldapi_iostatus_interest_read( LDAP *ld, Sockbuf *sb )  argument
842 	LDAP_MUTEX_LOCK( ld, LDAP_IOSTATUS_LOCK );
844 	if ( ld->ld_iostatus == NULL
845 	    && nsldapi_iostatus_init_nolock( ld ) < 0 ) {
846 		LDAP_MUTEX_UNLOCK( ld, LDAP_IOSTATUS_LOCK );
850 	iosp = ld->ld_iostatus;
878 	LDAP_MUTEX_UNLOCK( ld, LDAP_IOSTATUS_LOCK );
889 nsldapi_iostatus_interest_clear( LDAP *ld, Sockbuf *sb )  argument
893 	LDAP_MUTEX_LOCK( ld, LDAP_IOSTATUS_LOCK );
895 	if ( ld->ld_iostatus == NULL
896 	    && nsldapi_iostatus_init_nolock( ld ) < 0 ) {
897 		LDAP_MUTEX_UNLOCK( ld, LDAP_IOSTATUS_LOCK );
901 	iosp = ld->ld_iostatus;
943 	LDAP_MUTEX_UNLOCK( ld, LDAP_IOSTATUS_LOCK );
953 nsldapi_iostatus_is_write_ready( LDAP *ld, Sockbuf *sb )  argument
958 	LDAP_MUTEX_LOCK( ld, LDAP_IOSTATUS_LOCK );
959 	iosp = ld->ld_iostatus;
990 	LDAP_MUTEX_UNLOCK( ld, LDAP_IOSTATUS_LOCK );
999 nsldapi_iostatus_is_read_ready( LDAP *ld, Sockbuf *sb )  argument
1004 	LDAP_MUTEX_LOCK( ld, LDAP_IOSTATUS_LOCK );
1005 	iosp = ld->ld_iostatus;
1036 	LDAP_MUTEX_UNLOCK( ld, LDAP_IOSTATUS_LOCK );
1047 nsldapi_iostatus_init_nolock( LDAP *ld )  argument
1051 	if ( ld->ld_iostatus != NULL ) {
1057 		LDAP_SET_LDERRNO( ld, LDAP_NO_MEMORY, NULL, NULL );
1061 	if ( ld->ld_extpoll_fn == NULL ) {
1072 	ld->ld_iostatus = iosp;
1078 nsldapi_iostatus_free( LDAP *ld )  argument
1080 	if ( ld == NULL ) {
1086 	if ( ld->ld_io_fns_ptr != NULL ) {
1087 		if ( ld->ld_ext_session_arg != NULL ) {
1088 			NSLDAPI_FREE( ld->ld_ext_session_arg );
1090 		NSLDAPI_FREE( ld->ld_io_fns_ptr );
1094 	if ( ld->ld_iostatus != NULL ) {
1095 		NSLDAPIIOStatus	*iosp = ld->ld_iostatus;
1162 nsldapi_iostatus_poll( LDAP *ld, struct timeval *timeout )  argument
1169 	LDAP_MUTEX_LOCK( ld, LDAP_IOSTATUS_LOCK );
1170 	iosp = ld->ld_iostatus;
1209 		rc = ld->ld_extpoll_fn(
1212 		    nsldapi_tv2ms( timeout ), ld->ld_ext_session_arg );
1221 	LDAP_MUTEX_UNLOCK( ld, LDAP_IOSTATUS_LOCK );
1472 nsldapi_install_lber_extiofns( LDAP *ld, Sockbuf *sb )  argument
1479 		lberiofns.lbextiofn_read = ld->ld_extread_fn;
1480 		lberiofns.lbextiofn_write = ld->ld_extwrite_fn;
1481 		lberiofns.lbextiofn_writev = ld->ld_extwritev_fn;
1482 		lberiofns.lbextiofn_socket_arg = ld->ld_ext_session_arg;
1616 nsldapi_compat_socket( LDAP *ld, int secure, int domain, int type,  argument
1621 	s = ld->ld_io_fns_ptr->liof_socket( domain, type, protocol );
1627 		if ( ld->ld_io_fns_ptr->liof_select != NULL
1639 			    ld->ld_io_fns_ptr->liof_ssl_enable( s ) < 0 ) {
1645 			if ( NULL == ld->ld_io_fns_ptr->liof_close ) {
1648 				ld->ld_io_fns_ptr->liof_close( s );
1650 			LDAP_SET_LDERRNO( ld, LDAP_LOCAL_ERROR, NULL,
1763 nsldapi_install_compat_io_fns( LDAP *ld, struct ldap_io_fns *iofns )  argument
1773 	defcsip->csi_ld = ld;
1775 	if ( ld->ld_io_fns_ptr != NULL ) {
1776 		(void)memset( (char *)ld->ld_io_fns_ptr, 0,
1778 	} else if (( ld->ld_io_fns_ptr = (struct ldap_io_fns *)NSLDAPI_CALLOC(
1785 	*(ld->ld_io_fns_ptr) = *iofns;
1787 	ld->ld_extio_size = LBER_X_EXTIO_FNS_SIZE;
1788 	ld->ld_ext_session_arg = defcsip;
1789 	ld->ld_extread_fn = nsldapi_ext_compat_read;
1790 	ld->ld_extwrite_fn = nsldapi_ext_compat_write;
1791 	ld->ld_extpoll_fn = nsldapi_ext_compat_poll;
1792 	ld->ld_extconnect_fn = nsldapi_ext_compat_connect;
1793 	ld->ld_extclose_fn = nsldapi_ext_compat_close;
1795 	return( nsldapi_install_lber_extiofns( ld, ld->ld_sbp ));
1808 _ns_gethostbyaddr(LDAP *ld, const char *addr, int length, int type,  argument
1812 	if (ld == NULL || ld->ld_dns_gethostbyaddr_fn == NULL)
1814 	return (ld->ld_dns_gethostbyaddr_fn(addr, length, type,