X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Flibldap%2Funbind.c;h=d6f247d9004a15cde8637be0cfeb73ce3ae96988;hb=fb5ba5f09c604aa2c9cdf7076141da60fbb925b3;hp=2ac13904a69602b3415dacbf93e56ae0095b1a28;hpb=a6b3a92cc573101a261906b8d2eb0158b0902c7c;p=openldap

diff --git a/libraries/libldap/unbind.c b/libraries/libldap/unbind.c
index 2ac13904a6..d6f247d900 100644
--- a/libraries/libldap/unbind.c
+++ b/libraries/libldap/unbind.c
@@ -1,20 +1,19 @@
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- */
-/*  Portions
- *  Copyright (c) 1990 Regents of the University of Michigan.
- *  All rights reserved.
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- *  unbind.c
- */
-
-/* An Unbind Request looks like this:
+ * Copyright 1998-2011 The OpenLDAP Foundation.
+ * All rights reserved.
  *
- *	UnbindRequest ::= NULL
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
  *
- * and has no response.
+ * 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"
@@ -28,6 +27,13 @@
 
 #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,
@@ -58,11 +64,7 @@ ldap_unbind_ext_s(
 int
 ldap_unbind( LDAP *ld )
 {
-#ifdef NEW_LOGGING
-	LDAP_LOG ( OPERATION, ENTRY, "ldap_unbind\n", 0, 0, 0 );
-#else
 	Debug( LDAP_DEBUG_TRACE, "ldap_unbind\n", 0, 0, 0 );
-#endif
 
 	return( ldap_unbind_ext( ld, NULL, NULL ) );
 }
@@ -78,32 +80,68 @@ ldap_ld_free(
 	LDAPMessage	*lm, *next;
 	int		err = LDAP_SUCCESS;
 
+	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;
+		}
+
+		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;
+		}  
+		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 */
-#ifdef LDAP_R_COMPILE
-	ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex );
-#endif
+	LDAP_MUTEX_LOCK( &ld->ld_req_mutex );
 	while ( ld->ld_requests != NULL ) {
 		ldap_free_request( ld, ld->ld_requests );
 	}
-#ifdef LDAP_R_COMPILE
-	ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex );
-#endif
+	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 );
 	}
-
-#ifdef LDAP_R_COMPILE
-	ldap_pvt_thread_mutex_lock( &ld->ld_res_mutex );
-#endif
+	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 );
 	}
-#ifdef LDAP_R_COMPILE
-	ldap_pvt_thread_mutex_unlock( &ld->ld_res_mutex );
-#endif
+    
+	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 );
+		}
+	}
 
 	if ( ld->ld_error != NULL ) {
 		LDAP_FREE( ld->ld_error );
@@ -115,16 +153,11 @@ ldap_ld_free(
 		ld->ld_matched = NULL;
 	}
 
-	if( ld->ld_referrals != NULL) {
+	if ( ld->ld_referrals != NULL) {
 		LDAP_VFREE(ld->ld_referrals);
 		ld->ld_referrals = NULL;
 	}  
     
-	if ( ld->ld_abandoned != NULL ) {
-		LDAP_FREE( ld->ld_abandoned );
-		ld->ld_abandoned = NULL;
-	}
-
 	if ( ld->ld_selectinfo != NULL ) {
 		ldap_free_select_info( ld->ld_selectinfo );
 		ld->ld_selectinfo = NULL;
@@ -135,15 +168,17 @@ ldap_ld_free(
 		ld->ld_options.ldo_defludp = NULL;
 	}
 
-	if ( ld->ld_options.ldo_tm_api != NULL ) {
-		LDAP_FREE( ld->ld_options.ldo_tm_api );
-		ld->ld_options.ldo_tm_api = NULL;
+#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_tm_net != NULL ) {
-		LDAP_FREE( ld->ld_options.ldo_tm_net );
-		ld->ld_options.ldo_tm_net = 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 ) {
@@ -167,24 +202,56 @@ ldap_ld_free(
 	}
 #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_destroy( LDAP *ld )
+{
+	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,
@@ -193,12 +260,9 @@ ldap_send_unbind(
 	LDAPControl **cctrls )
 {
 	BerElement	*ber;
+	ber_int_t	id;
 
-#ifdef NEW_LOGGING
-	LDAP_LOG ( OPERATION, ENTRY, "ldap_send_unbind\n", 0, 0, 0 );
-#else
 	Debug( LDAP_DEBUG_TRACE, "ldap_send_unbind\n", 0, 0, 0 );
-#endif
 
 #ifdef LDAP_CONNECTIONLESS
 	if (LDAP_IS_UDP(ld))
@@ -209,8 +273,10 @@ ldap_send_unbind(
 		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 );
@@ -229,18 +295,11 @@ ldap_send_unbind(
 		return( ld->ld_errno );
 	}
 
-#ifdef LDAP_R_COMPILE
-	ldap_pvt_thread_mutex_lock( &ld->ld_req_mutex );
-#endif
 	ld->ld_errno = LDAP_SUCCESS;
 	/* send the message */
-	if ( ber_flush( sb, ber, 1 ) == -1 ) {
+	if ( ber_flush2( sb, ber, LBER_FLUSH_FREE_ALWAYS ) == -1 ) {
 		ld->ld_errno = LDAP_SERVER_DOWN;
-		ber_free( ber, 1 );
 	}
-#ifdef LDAP_R_COMPILE
-	ldap_pvt_thread_mutex_unlock( &ld->ld_req_mutex );
-#endif
 
 	return( ld->ld_errno );
 }