-/*
- * Copyright (c) 1990 Regents of the University of Michigan.
- * All rights reserved.
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * unbind.c
+ * Copyright 1998-2011 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) 1990 Regents of the University of Michigan.
+ * All rights reserved.
*/
#include "portable.h"
-#ifndef lint
-static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
-#endif
-
#include <stdio.h>
-#include <stdlib.h>
+#include <ac/stdlib.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
-#include "lber.h"
-#include "ldap.h"
#include "ldap-int.h"
+/* An Unbind Request looks like this:
+ *
+ * UnbindRequest ::= [APPLICATION 2] NULL
+ *
+ * and has no response. (Source: RFC 4511)
+ */
+
+int
+ldap_unbind_ext(
+ LDAP *ld,
+ LDAPControl **sctrls,
+ LDAPControl **cctrls )
+{
+ int rc;
+
+ assert( ld != NULL );
+ assert( LDAP_VALID( ld ) );
+
+ /* check client controls */
+ rc = ldap_int_client_controls( ld, cctrls );
+ if( rc != LDAP_SUCCESS ) return rc;
+
+ return ldap_ld_free( ld, 1, sctrls, cctrls );
+}
+
+int
+ldap_unbind_ext_s(
+ LDAP *ld,
+ LDAPControl **sctrls,
+ LDAPControl **cctrls )
+{
+ return ldap_unbind_ext( ld, sctrls, cctrls );
+}
int
ldap_unbind( LDAP *ld )
{
Debug( LDAP_DEBUG_TRACE, "ldap_unbind\n", 0, 0, 0 );
- return( ldap_ld_free( ld, 1 ));
+ return( ldap_unbind_ext( ld, NULL, NULL ) );
}
int
-ldap_ld_free( LDAP *ld, int close )
+ldap_ld_free(
+ LDAP *ld,
+ int close,
+ LDAPControl **sctrls,
+ LDAPControl **cctrls )
{
LDAPMessage *lm, *next;
int err = LDAP_SUCCESS;
-#ifdef LDAP_REFERRALS
- LDAPRequest *lr, *nextlr;
-#endif /* LDAP_REFERRALS */
-
- if ( ld->ld_sb.sb_naddr == 0 ) {
-#ifdef LDAP_REFERRALS
- /* free LDAP structure and outstanding requests/responses */
- for ( lr = ld->ld_requests; lr != NULL; lr = nextlr ) {
- nextlr = lr->lr_next;
- ldap_free_request( ld, lr );
- }
- /* free and unbind from all open connections */
- while ( ld->ld_conns != NULL ) {
- ldap_free_connection( ld, ld->ld_conns, 1, close );
- }
-#else /* LDAP_REFERRALS */
- if ( close ) {
- err = ldap_send_unbind( ld, &ld->ld_sb );
- ldap_close_connection( &ld->ld_sb );
+ LDAP_MUTEX_LOCK( &ld->ld_ldcmutex );
+ /* Someone else is still using this ld. */
+ if (ld->ld_ldcrefcnt > 1) { /* but not last thread */
+ /* clean up self only */
+ ld->ld_ldcrefcnt--;
+ if ( ld->ld_error != NULL ) {
+ LDAP_FREE( ld->ld_error );
+ ld->ld_error = NULL;
}
-#endif /* LDAP_REFERRALS */
- } else {
- int i;
- for ( i = 0; i < ld->ld_sb.sb_naddr; ++i ) {
- free( ld->ld_sb.sb_addrs[ i ] );
+ if ( ld->ld_matched != NULL ) {
+ LDAP_FREE( ld->ld_matched );
+ ld->ld_matched = NULL;
}
- free( ld->ld_sb.sb_addrs );
- free( ld->ld_sb.sb_fromaddr );
+ if ( ld->ld_referrals != NULL) {
+ LDAP_VFREE(ld->ld_referrals);
+ ld->ld_referrals = NULL;
+ }
+ LDAP_MUTEX_UNLOCK( &ld->ld_ldcmutex );
+ LDAP_FREE( (char *) ld );
+ return( err );
+ }
+
+ /* This ld is the last thread. */
+
+ /* free LDAP structure and outstanding requests/responses */
+ LDAP_MUTEX_LOCK( &ld->ld_req_mutex );
+ while ( ld->ld_requests != NULL ) {
+ ldap_free_request( ld, ld->ld_requests );
}
+ LDAP_MUTEX_UNLOCK( &ld->ld_req_mutex );
+ LDAP_MUTEX_LOCK( &ld->ld_conn_mutex );
+ /* free and unbind from all open connections */
+ while ( ld->ld_conns != NULL ) {
+ ldap_free_connection( ld, ld->ld_conns, 1, close );
+ }
+ LDAP_MUTEX_UNLOCK( &ld->ld_conn_mutex );
+ LDAP_MUTEX_LOCK( &ld->ld_res_mutex );
for ( lm = ld->ld_responses; lm != NULL; lm = next ) {
next = lm->lm_next;
ldap_msgfree( lm );
}
+
+ if ( ld->ld_abandoned != NULL ) {
+ LDAP_FREE( ld->ld_abandoned );
+ ld->ld_abandoned = NULL;
+ }
+ LDAP_MUTEX_UNLOCK( &ld->ld_res_mutex );
+ LDAP_MUTEX_LOCK( &ld->ld_ldopts_mutex );
+
+ /* final close callbacks */
+ {
+ ldaplist *ll, *next;
+
+ for ( ll = ld->ld_options.ldo_conn_cbs; ll; ll = next ) {
+ ldap_conncb *cb = ll->ll_data;
+ next = ll->ll_next;
+ cb->lc_del( ld, NULL, cb );
+ LDAP_FREE( ll );
+ }
+ }
-#ifndef LDAP_NOCACHE
- if ( ld->ld_cache != NULL )
- ldap_destroy_cache( ld );
-#endif /* !LDAP_NOCACHE */
- if ( ld->ld_error != NULL )
- free( ld->ld_error );
- if ( ld->ld_matched != NULL )
- free( ld->ld_matched );
- if ( ld->ld_host != NULL )
- free( ld->ld_host );
- if ( ld->ld_ufnprefix != NULL )
- free( ld->ld_ufnprefix );
- if ( ld->ld_filtd != NULL )
- ldap_getfilter_free( ld->ld_filtd );
-#ifndef LDAP_REFERRALS
- if ( ld->ld_sb.sb_ber.ber_buf != NULL )
- free( ld->ld_sb.sb_ber.ber_buf );
-#endif /* !LDAP_REFERRALS */
- if ( ld->ld_abandoned != NULL )
- free( ld->ld_abandoned );
-
-#ifdef LDAP_REFERRALS
- if ( ld->ld_selectinfo != NULL )
+ if ( ld->ld_error != NULL ) {
+ LDAP_FREE( ld->ld_error );
+ ld->ld_error = NULL;
+ }
+
+ if ( ld->ld_matched != NULL ) {
+ LDAP_FREE( ld->ld_matched );
+ ld->ld_matched = NULL;
+ }
+
+ if ( ld->ld_referrals != NULL) {
+ LDAP_VFREE(ld->ld_referrals);
+ ld->ld_referrals = NULL;
+ }
+
+ if ( ld->ld_selectinfo != NULL ) {
ldap_free_select_info( ld->ld_selectinfo );
-#endif /* LDAP_REFERRALS */
+ ld->ld_selectinfo = NULL;
+ }
+
+ if ( ld->ld_options.ldo_defludp != NULL ) {
+ ldap_free_urllist( ld->ld_options.ldo_defludp );
+ ld->ld_options.ldo_defludp = NULL;
+ }
- if ( ld->ld_defhost != NULL )
- free( ld->ld_defhost );
+#ifdef LDAP_CONNECTIONLESS
+ if ( ld->ld_options.ldo_peer != NULL ) {
+ LDAP_FREE( ld->ld_options.ldo_peer );
+ ld->ld_options.ldo_peer = NULL;
+ }
+
+ if ( ld->ld_options.ldo_cldapdn != NULL ) {
+ LDAP_FREE( ld->ld_options.ldo_cldapdn );
+ ld->ld_options.ldo_cldapdn = NULL;
+ }
+#endif
+
+#ifdef HAVE_CYRUS_SASL
+ if ( ld->ld_options.ldo_def_sasl_mech != NULL ) {
+ LDAP_FREE( ld->ld_options.ldo_def_sasl_mech );
+ ld->ld_options.ldo_def_sasl_mech = NULL;
+ }
- free( (char *) ld );
+ if ( ld->ld_options.ldo_def_sasl_realm != NULL ) {
+ LDAP_FREE( ld->ld_options.ldo_def_sasl_realm );
+ ld->ld_options.ldo_def_sasl_realm = NULL;
+ }
+ if ( ld->ld_options.ldo_def_sasl_authcid != NULL ) {
+ LDAP_FREE( ld->ld_options.ldo_def_sasl_authcid );
+ ld->ld_options.ldo_def_sasl_authcid = NULL;
+ }
+
+ if ( ld->ld_options.ldo_def_sasl_authzid != NULL ) {
+ LDAP_FREE( ld->ld_options.ldo_def_sasl_authzid );
+ ld->ld_options.ldo_def_sasl_authzid = NULL;
+ }
+#endif
+
+#ifdef HAVE_TLS
+ ldap_int_tls_destroy( &ld->ld_options );
+#endif
+
+ if ( ld->ld_options.ldo_sctrls != NULL ) {
+ ldap_controls_free( ld->ld_options.ldo_sctrls );
+ ld->ld_options.ldo_sctrls = NULL;
+ }
+
+ if ( ld->ld_options.ldo_cctrls != NULL ) {
+ ldap_controls_free( ld->ld_options.ldo_cctrls );
+ ld->ld_options.ldo_cctrls = NULL;
+ }
+ LDAP_MUTEX_UNLOCK( &ld->ld_ldopts_mutex );
+
+ ber_sockbuf_free( ld->ld_sb );
+
+#ifdef LDAP_R_COMPILE
+ ldap_pvt_thread_mutex_destroy( &ld->ld_msgid_mutex );
+ ldap_pvt_thread_mutex_destroy( &ld->ld_conn_mutex );
+ ldap_pvt_thread_mutex_destroy( &ld->ld_req_mutex );
+ ldap_pvt_thread_mutex_destroy( &ld->ld_res_mutex );
+ ldap_pvt_thread_mutex_destroy( &ld->ld_abandon_mutex );
+ ldap_pvt_thread_mutex_destroy( &ld->ld_ldopts_mutex );
+ ldap_pvt_thread_mutex_unlock( &ld->ld_ldcmutex );
+ ldap_pvt_thread_mutex_destroy( &ld->ld_ldcmutex );
+#endif
+#ifndef NDEBUG
+ LDAP_TRASH(ld);
+#endif
+ LDAP_FREE( (char *) ld->ldc );
+ LDAP_FREE( (char *) ld );
+
return( err );
}
int
-ldap_unbind_s( LDAP *ld )
+ldap_destroy( LDAP *ld )
{
- return( ldap_ld_free( ld, 1 ));
+ return ( ldap_ld_free( ld, 1, NULL, NULL ) );
}
+int
+ldap_unbind_s( LDAP *ld )
+{
+ return( ldap_unbind_ext( ld, NULL, NULL ) );
+}
+/* FIXME: this function is called only by ldap_free_connection(),
+ * which, most of the times, is called with ld_req_mutex locked */
int
-ldap_send_unbind( LDAP *ld, Sockbuf *sb )
+ldap_send_unbind(
+ LDAP *ld,
+ Sockbuf *sb,
+ LDAPControl **sctrls,
+ LDAPControl **cctrls )
{
BerElement *ber;
+ ber_int_t id;
Debug( LDAP_DEBUG_TRACE, "ldap_send_unbind\n", 0, 0, 0 );
+#ifdef LDAP_CONNECTIONLESS
+ if (LDAP_IS_UDP(ld))
+ return LDAP_SUCCESS;
+#endif
/* create a message to send */
- if ( (ber = ldap_alloc_ber_with_options( ld )) == NULLBER ) {
+ if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
return( ld->ld_errno );
}
+ LDAP_NEXT_MSGID(ld, id);
+
/* fill it in */
- if ( ber_printf( ber, "{itn}", ++ld->ld_msgid,
+ if ( ber_printf( ber, "{itn" /*}*/, id,
LDAP_REQ_UNBIND ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
- /* send the message */
- if ( ber_flush( sb, ber, 1 ) == -1 ) {
- ld->ld_errno = LDAP_SERVER_DOWN;
+ /* Put Server Controls */
+ if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
+ ber_free( ber, 1 );
+ return ld->ld_errno;
+ }
+
+ if ( ber_printf( ber, /*{*/ "N}", LDAP_REQ_UNBIND ) == -1 ) {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
- return( LDAP_SUCCESS );
+ ld->ld_errno = LDAP_SUCCESS;
+ /* send the message */
+ if ( ber_flush2( sb, ber, LBER_FLUSH_FREE_ALWAYS ) == -1 ) {
+ ld->ld_errno = LDAP_SERVER_DOWN;
+ }
+
+ return( ld->ld_errno );
}
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