1/* $NetBSD: unbind.c,v 1.3 2021/08/14 16:14:59 christos Exp $ */ 2 3/* unbind.c - ldap backend unbind function */ 4/* $OpenLDAP$ */ 5/* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 1999-2021 The OpenLDAP Foundation. 8 * Portions Copyright 1999-2003 Howard Chu. 9 * Portions Copyright 2000-2003 Pierangelo Masarati. 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted only as authorized by the OpenLDAP 14 * Public License. 15 * 16 * A copy of this license is available in the file LICENSE in the 17 * top-level directory of the distribution or, alternatively, at 18 * <http://www.OpenLDAP.org/license.html>. 19 */ 20/* ACKNOWLEDGEMENTS: 21 * This work was initially developed by the Howard Chu for inclusion 22 * in OpenLDAP Software and subsequently enhanced by Pierangelo 23 * Masarati. 24 */ 25 26#include <sys/cdefs.h> 27__RCSID("$NetBSD: unbind.c,v 1.3 2021/08/14 16:14:59 christos Exp $"); 28 29#include "portable.h" 30 31#include <stdio.h> 32 33#include <ac/errno.h> 34#include <ac/socket.h> 35#include <ac/string.h> 36 37#include "slap.h" 38#include "back-ldap.h" 39 40int 41ldap_back_conn_destroy( 42 Backend *be, 43 Connection *conn 44) 45{ 46 ldapinfo_t *li = (ldapinfo_t *) be->be_private; 47 ldapconn_t *lc = NULL, lc_curr; 48 49 Debug( LDAP_DEBUG_TRACE, 50 "=>ldap_back_conn_destroy: fetching conn %ld\n", 51 conn->c_connid ); 52 53 lc_curr.lc_conn = conn; 54 55 ldap_pvt_thread_mutex_lock( &li->li_conninfo.lai_mutex ); 56#if LDAP_BACK_PRINT_CONNTREE > 0 57 ldap_back_print_conntree( li, ">>> ldap_back_conn_destroy" ); 58#endif /* LDAP_BACK_PRINT_CONNTREE */ 59 while ( ( lc = ldap_tavl_delete( &li->li_conninfo.lai_tree, (caddr_t)&lc_curr, ldap_back_conn_cmp ) ) != NULL ) 60 { 61 assert( !LDAP_BACK_PCONN_ISPRIV( lc ) ); 62 Debug( LDAP_DEBUG_TRACE, 63 "=>ldap_back_conn_destroy: destroying conn %lu " 64 "refcnt=%d flags=0x%08x\n", 65 lc->lc_conn->c_connid, lc->lc_refcnt, lc->lc_lcflags ); 66 67 if ( lc->lc_refcnt > 0 ) { 68 /* someone else might be accessing the connection; 69 * mark for deletion */ 70 LDAP_BACK_CONN_CACHED_CLEAR( lc ); 71 LDAP_BACK_CONN_TAINTED_SET( lc ); 72 73 } else { 74 ldap_back_conn_free( lc ); 75 } 76 } 77#if LDAP_BACK_PRINT_CONNTREE > 0 78 ldap_back_print_conntree( li, "<<< ldap_back_conn_destroy" ); 79#endif /* LDAP_BACK_PRINT_CONNTREE */ 80 ldap_pvt_thread_mutex_unlock( &li->li_conninfo.lai_mutex ); 81 82 return 0; 83} 84