diff options
Diffstat (limited to 'ldap/c-sdk/libraries/libldap/unbind.c')
| -rw-r--r-- | ldap/c-sdk/libraries/libldap/unbind.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/ldap/c-sdk/libraries/libldap/unbind.c b/ldap/c-sdk/libraries/libldap/unbind.c new file mode 100644 index 000000000..95ca49411 --- /dev/null +++ b/ldap/c-sdk/libraries/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 ); +} |