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/*
* LDAP Utilities
* Copyright (C) 2012, 2019 David M. Syzdek <david@syzdek.net>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file lib/libldaputils/lldap.c contains LDAP functions and variables
*/
#define _LIB_LIBLDAPUTILS_LLDAP_C 1
#include "lldap.h"
///////////////
// //
// Headers //
// //
///////////////
#ifdef __LDAPUTILS_PMARK
#pragma mark - Headers
#endif
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <ldap.h>
#include <stdlib.h>
#include <assert.h>
#include "lconfig.h"
/////////////////
// //
// Functions //
// //
/////////////////
#ifdef __LDAPUTILS_PMARK
#pragma mark - Functions
#endif
/// connects and binds to LDAP server
/// @param[in] lud reference to LDAP utilities struct
///
/// @return Returns the error code from the OpenLDAP library
/// @see ldaputils_search, ldaputils_initialize
int ldaputils_bind_s(LDAPUtils * lud)
{
int err;
LDAP * ld;
BerValue * servercredp;
ld = lud->ld;
servercredp = NULL;
// starts TLS
if (lud->tls_req > 0)
if ((err = ldap_start_tls_s(lud->ld, NULL, NULL)) != LDAP_SUCCESS)
if (lud->tls_req > 1)
return(err);
// binds to LDAP
if ((err = ldap_sasl_bind_s(ld, lud->binddn, lud->sasl_mech, &lud->passwd, NULL, NULL, &servercredp)) != LDAP_SUCCESS)
return(err);
return(LDAP_SUCCESS);
}
/// connects and binds to LDAP server
/// @param[in] lud reference to LDAP utilities struct
/// @param[out] resp reference for returned LDAPMessage
///
/// @return Returns the error code from the OpenLDAP library
/// @see ldaputils_search, ldaputils_initialize
int ldaputils_search(LDAPUtils * lud, LDAPMessage ** resp)
{
int rc;
int err;
int msgid;
LDAP * ld;
ld = lud->ld;
if ((err = ldap_search_ext(ld, NULL, lud->scope, lud->filter, lud->attrs, 0, NULL, NULL, NULL, -1, &msgid)) != LDAP_SUCCESS)
return(err);
switch((err = ldap_result(ld, msgid, LDAP_MSG_ALL, NULL, resp)))
{
case 0:
break;
case -1:
return(err);
default:
break;
};
rc = ldap_parse_result(ld, *resp, &err, NULL, NULL, NULL, NULL, 0);
if (rc != LDAP_SUCCESS)
return(rc);
if (err != LDAP_SUCCESS)
return(err);
return(LDAP_SUCCESS);
}
/* end of source file */
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