1 files changed, 248 insertions, 0 deletions
diff --git a/ldap/c-sdk/libldap/unbind.c b/ldap/c-sdk/libldap/unbind.c
new file mode 100644
index 000000000..95ca49411
--- /dev/null
+++ 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 );
+}