libadutils/common/adutils_threadfuncs.c

bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen/*
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * CDDL HEADER START
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen *
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * The contents of this file are subject to the terms of the
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Common Development and Distribution License (the "License").
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * You may not use this file except in compliance with the License.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen *
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * or http://www.opensolaris.org/os/licensing.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * See the License for the specific language governing permissions
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * and limitations under the License.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen *
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * When distributing Covered Code, include this CDDL HEADER in each
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * If applicable, add the following below this CDDL HEADER, with the
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * fields enclosed by brackets "[]" replaced with your own identifying
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * information: Portions Copyright [yyyy] [name of copyright owner]
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen *
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * CDDL HEADER END
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen/*
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Use is subject to license terms.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen/*
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Functions for managing thread-local storage for LDAP, and in particular
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * for managing storage of the LDAP error state.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen#include <ldap.h>
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen#include <pthread.h>
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen#include <errno.h>
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen#include <note.h>
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen#include <syslog.h>
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen#include <string.h>
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen#include "solaris-int.h"    /* This is a libladp5 private include file */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen                /* which has the defintion for */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen                /* struct ldap_extra_thread_fns */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen#include "adutils_impl.h"
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstruct adutils_lderrno {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    int le_errno;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    char *le_matched;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    char *le_errmsg;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen};
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic void *adutils_mutex_alloc(void);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic void adutils_mutex_free(void *mutexp);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic int adutils_get_errno(void);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic void adutils_set_errno(int err);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic void adutils_set_lderrno(int err, char *matched, char *errmsg,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    void *dummy);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic int adutils_get_lderrno(char **matched, char **errmsg, void *dummy);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic void adutils_lderrno_destructor(void *tsd);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic pthread_key_t adutils_lderrno_key = PTHREAD_ONCE_KEY_NP;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic struct ldap_thread_fns thread_fns = {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    .ltf_mutex_alloc = adutils_mutex_alloc,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    .ltf_mutex_free = adutils_mutex_free,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    .ltf_mutex_lock = (int (*)(void *)) pthread_mutex_lock,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    .ltf_mutex_unlock = (int (*)(void *)) pthread_mutex_unlock,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    .ltf_get_errno = adutils_get_errno,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    .ltf_set_errno = adutils_set_errno,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    .ltf_get_lderrno = adutils_get_lderrno,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    .ltf_set_lderrno = adutils_set_lderrno,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    .ltf_lderrno_arg = NULL
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen};
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstruct ldap_extra_thread_fns extra_thread_fns = {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    .ltf_threadid_fn = (void * (*)(void))pthread_self
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen};
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen/*
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Set up thread management functions for the specified LDAP session.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Returns either LDAP_SUCCESS or -1.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenint
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenadutils_set_thread_functions(LDAP *ld)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen{
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    int rc;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (adutils_lderrno_key == PTHREAD_ONCE_KEY_NP) {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        if ((rc = pthread_key_create_once_np(&adutils_lderrno_key,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            adutils_lderrno_destructor)) != 0) {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            logger(LOG_ERR, "adutils_set_thread_functions() "
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen                "pthread_key_create_once_np failed (%s)",
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen                strerror(rc));
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            rc = -1;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            return (rc);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        }
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    }
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    rc = ldap_set_option(ld, LDAP_OPT_THREAD_FN_PTRS,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        &thread_fns);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (rc != LDAP_SUCCESS) {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        logger(LOG_ERR,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            "ldap_set_option LDAP_OPT_THREAD_FN_PTRS failed");
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        return (rc);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    }
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    rc = ldap_set_option(ld, LDAP_OPT_EXTRA_THREAD_FN_PTRS,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        &extra_thread_fns);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (rc != LDAP_SUCCESS) {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        logger(LOG_ERR,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            "ldap_set_option LDAP_OPT_EXTRA_THREAD_FN_PTRS failed");
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        return (rc);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    }
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    return (rc);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen}
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen/*
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Allocate a mutex.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenvoid *
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenadutils_mutex_alloc(void)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen{
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    pthread_mutex_t *mutexp;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    int rc;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    mutexp = malloc(sizeof (pthread_mutex_t));
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (mutexp == NULL) {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        logger(LOG_ERR,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            "adutils_mutex_alloc: malloc failed (%s)",
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            strerror(errno));
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        return (NULL);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    }
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    rc = pthread_mutex_init(mutexp, NULL);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (rc != 0) {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        logger(LOG_ERR,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            "adutils_mutex_alloc: "
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            "pthread_mutex_init failed (%s)",
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            strerror(rc));
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        free(mutexp);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        return (NULL);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    }
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    return (mutexp);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen}
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen/*
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Free a mutex.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenvoid
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenadutils_mutex_free(void *mutexp)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen{
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    (void) pthread_mutex_destroy((pthread_mutex_t *)mutexp);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    free(mutexp);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen}
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen/*
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Get the thread's local errno.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenint
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenadutils_get_errno(void)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen{
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    return (errno);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen}
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen/*
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Set the thread's local errno.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenvoid
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenadutils_set_errno(int err)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen{
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    errno = err;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen}
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen/*
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Get a pointer to the thread's local LDAP error state structure.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Lazily allocate the thread-local storage, so that we don't need
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * initialization when each thread starts.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstruct adutils_lderrno *
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenadutils_get_lderrno_struct(void)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen{
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    struct adutils_lderrno *le;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    int rc;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    le = pthread_getspecific(adutils_lderrno_key);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (le == NULL) {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        le = calloc(1, sizeof (*le));
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        if (le == NULL) {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            logger(LOG_ERR,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen                "adutils_get_lderrno_struct:  calloc failed (%s)",
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen                strerror(errno));
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            return (NULL);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        }
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        rc = pthread_setspecific(adutils_lderrno_key, le);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        if (rc != 0) {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            logger(LOG_ERR,
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen                "adutils_get_lderrno_struct:  "
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen                "pthread_setspecific failed (%s)",
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen                strerror(rc));
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            free(le);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            return (NULL);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        }
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    }
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    return (le);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen}
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen/*
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Store an error report in the thread's local LDAP error state structure.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenvoid
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenadutils_set_lderrno(int err, char *matched, char *errmsg, void *dummy)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen{
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    NOTE(ARGUNUSED(dummy))
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    struct adutils_lderrno *le;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    le = adutils_get_lderrno_struct();
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (le != NULL) {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        le->le_errno = err;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        if (le->le_matched != NULL)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            ldap_memfree(le->le_matched);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        le->le_matched = matched;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        if (le->le_errmsg != NULL)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen            ldap_memfree(le->le_errmsg);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        le->le_errmsg = errmsg;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    }
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen}
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen/*
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Retrieve an error report from the thread's local LDAP error state structure.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenint
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenadutils_get_lderrno(char **matched, char **errmsg, void *dummy)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen{
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    NOTE(ARGUNUSED(dummy))
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    struct adutils_lderrno *le;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    static struct adutils_lderrno empty = { LDAP_SUCCESS, NULL, NULL };
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    le = adutils_get_lderrno_struct();
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (le == NULL)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        le = &empty;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (matched != NULL)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        *matched = le->le_matched;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (errmsg != NULL)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        *errmsg = le->le_errmsg;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    return (le->le_errno);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen}
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen/*
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen * Free the thread's local LDAP error state structure.
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen */
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenstatic
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenvoid
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullenadutils_lderrno_destructor(void *tsd)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen{
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    struct adutils_lderrno *le = tsd;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (le == NULL)
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        return;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (le->le_matched != NULL) {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        ldap_memfree(le->le_matched);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        le->le_matched = NULL;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    }
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    if (le->le_errmsg != NULL) {
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        ldap_memfree(le->le_errmsg);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen        le->le_errmsg = NULL;
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    }
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen    free(le);
bd42852645f5ef79a1729096abd7405b72e159f7Julian Pullen}