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-rw-r--r--ldap/c-sdk/libldap/unbind.c248
1 files changed, 248 insertions, 0 deletions
diff --git a/ldap/c-sdk/libldap/unbind.c b/ldap/c-sdk/libldap/unbind.c
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+++ b/ldap/c-sdk/libldap/unbind.c
@@ -0,0 +1,248 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-1999
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+/*
+ * Copyright (c) 1990 Regents of the University of Michigan.
+ * All rights reserved.
+ */
+
+/*
+ * unbind.c
+ */
+
+#if 0
+#ifndef lint
+static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
+#endif
+#endif
+
+#include "ldap-int.h"
+
+int
+LDAP_CALL
+ldap_unbind( LDAP *ld )
+{
+ LDAPDebug( LDAP_DEBUG_TRACE, "ldap_unbind\n", 0, 0, 0 );
+
+ return( ldap_ld_free( ld, NULL, NULL, 1 ) );
+}
+
+
+int
+LDAP_CALL
+ldap_unbind_s( LDAP *ld )
+{
+ return( ldap_ld_free( ld, NULL, NULL, 1 ));
+}
+
+
+int
+LDAP_CALL
+ldap_unbind_ext( LDAP *ld, LDAPControl **serverctrls,
+ LDAPControl **clientctrls )
+{
+ return( ldap_ld_free( ld, serverctrls, clientctrls, 1 ));
+}
+
+
+/*
+ * Dispose of the LDAP session ld, including all associated connections
+ * and resources. If close is non-zero, an unbind() request is sent as well.
+ */
+int
+ldap_ld_free( LDAP *ld, LDAPControl **serverctrls,
+ LDAPControl **clientctrls, int close )
+{
+ LDAPMessage *lm, *next;
+ int err = LDAP_SUCCESS;
+ LDAPRequest *lr, *nextlr;
+
+ if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
+ return( LDAP_PARAM_ERROR );
+ }
+
+ if ( ld->ld_sbp->sb_naddr == 0 ) {
+ LDAP_MUTEX_LOCK( ld, LDAP_REQ_LOCK );
+ /* free LDAP structure and outstanding requests/responses */
+ for ( lr = ld->ld_requests; lr != NULL; lr = nextlr ) {
+ nextlr = lr->lr_next;
+ nsldapi_free_request( ld, lr, 0 );
+ }
+ LDAP_MUTEX_UNLOCK( ld, LDAP_REQ_LOCK );
+
+ /* free and unbind from all open connections */
+ LDAP_MUTEX_LOCK( ld, LDAP_CONN_LOCK );
+ while ( ld->ld_conns != NULL ) {
+ nsldapi_free_connection( ld, ld->ld_conns, serverctrls,
+ clientctrls, 1, close );
+ }
+ LDAP_MUTEX_UNLOCK( ld, LDAP_CONN_LOCK );
+
+ } else {
+ int i;
+
+ for ( i = 0; i < ld->ld_sbp->sb_naddr; ++i ) {
+ NSLDAPI_FREE( ld->ld_sbp->sb_addrs[ i ] );
+ }
+ NSLDAPI_FREE( ld->ld_sbp->sb_addrs );
+ NSLDAPI_FREE( ld->ld_sbp->sb_fromaddr );
+ }
+
+ LDAP_MUTEX_LOCK( ld, LDAP_RESP_LOCK );
+ for ( lm = ld->ld_responses; lm != NULL; lm = next ) {
+ next = lm->lm_next;
+ ldap_msgfree( lm );
+ }
+ LDAP_MUTEX_UNLOCK( ld, LDAP_RESP_LOCK );
+
+ /* call cache unbind function to allow it to clean up after itself */
+ if ( ld->ld_cache_unbind != NULL ) {
+ LDAP_MUTEX_LOCK( ld, LDAP_CACHE_LOCK );
+ (void)ld->ld_cache_unbind( ld, 0, 0 );
+ LDAP_MUTEX_UNLOCK( ld, LDAP_CACHE_LOCK );
+ }
+
+ /* call the dispose handle I/O callback if one is defined */
+ if ( ld->ld_extdisposehandle_fn != NULL ) {
+ /*
+ * We always pass the session extended I/O argument to
+ * the dispose handle callback.
+ */
+ ld->ld_extdisposehandle_fn( ld, ld->ld_ext_session_arg );
+ }
+
+ if ( ld->ld_error != NULL )
+ NSLDAPI_FREE( ld->ld_error );
+ if ( ld->ld_matched != NULL )
+ NSLDAPI_FREE( ld->ld_matched );
+ if ( ld->ld_host != NULL )
+ NSLDAPI_FREE( ld->ld_host );
+ if ( ld->ld_ufnprefix != NULL )
+ NSLDAPI_FREE( ld->ld_ufnprefix );
+ if ( ld->ld_filtd != NULL )
+ ldap_getfilter_free( ld->ld_filtd );
+ if ( ld->ld_abandoned != NULL )
+ NSLDAPI_FREE( ld->ld_abandoned );
+ if ( ld->ld_sbp != NULL )
+ ber_sockbuf_free( ld->ld_sbp );
+ if ( ld->ld_defhost != NULL )
+ NSLDAPI_FREE( ld->ld_defhost );
+ if ( ld->ld_servercontrols != NULL )
+ ldap_controls_free( ld->ld_servercontrols );
+ if ( ld->ld_clientcontrols != NULL )
+ ldap_controls_free( ld->ld_clientcontrols );
+ if ( ld->ld_preferred_language != NULL )
+ NSLDAPI_FREE( ld->ld_preferred_language );
+ nsldapi_iostatus_free( ld );
+#ifdef LDAP_SASLIO_HOOKS
+ NSLDAPI_FREE( ld->ld_def_sasl_mech );
+ NSLDAPI_FREE( ld->ld_def_sasl_realm );
+ NSLDAPI_FREE( ld->ld_def_sasl_authcid );
+ NSLDAPI_FREE( ld->ld_def_sasl_authzid );
+#endif
+
+ /*
+ * XXXmcs: should use cache function pointers to hook in memcache
+ */
+ if ( ld->ld_memcache != NULL ) {
+ ldap_memcache_set( ld, NULL );
+ }
+
+ /* free all mutexes we have allocated */
+ nsldapi_mutex_free_all( ld );
+ NSLDAPI_FREE( ld->ld_mutex );
+
+ NSLDAPI_FREE( (char *) ld );
+
+ return( err );
+}
+
+
+
+int
+nsldapi_send_unbind( LDAP *ld, Sockbuf *sb, LDAPControl **serverctrls,
+ LDAPControl **clientctrls )
+{
+ BerElement *ber;
+ int err, msgid;
+
+ LDAPDebug( LDAP_DEBUG_TRACE, "nsldapi_send_unbind\n", 0, 0, 0 );
+
+ /* create a message to send */
+ if (( err = nsldapi_alloc_ber_with_options( ld, &ber ))
+ != LDAP_SUCCESS ) {
+ return( err );
+ }
+
+ /* fill it in */
+ LDAP_MUTEX_LOCK( ld, LDAP_MSGID_LOCK );
+ msgid = ++ld->ld_msgid;
+ LDAP_MUTEX_UNLOCK( ld, LDAP_MSGID_LOCK );
+
+ if ( ber_printf( ber, "{itn", msgid, LDAP_REQ_UNBIND ) == -1 ) {
+ ber_free( ber, 1 );
+ err = LDAP_ENCODING_ERROR;
+ LDAP_SET_LDERRNO( ld, err, NULL, NULL );
+ return( err );
+ }
+
+ if (( err = nsldapi_put_controls( ld, serverctrls, 1, ber ))
+ != LDAP_SUCCESS ) {
+ ber_free( ber, 1 );
+ return( err );
+ }
+
+ /* send the message */
+ err = nsldapi_send_ber_message( ld, sb, ber, 1 /* free ber */,
+ 0 /* will not handle EPIPE */ );
+ if ( err != 0 ) {
+ ber_free( ber, 1 );
+ if (err != -2 ) {
+ /*
+ * Message could not be sent, and the reason is
+ * something other than a "would block" error.
+ * Note that we ignore "would block" errors because
+ * it is not critical that an UnBind request
+ * actually reach the LDAP server.
+ */
+ err = LDAP_SERVER_DOWN;
+ LDAP_SET_LDERRNO( ld, err, NULL, NULL );
+ return( err );
+ }
+ }
+
+ return( LDAP_SUCCESS );
+}