/*

   ldap_initialize.c - replacement function for ldap_initialize()

   Copyright (C) 2009, 2012, 2013 Arthur de Jong

   This library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with this library; if not, write to the Free Software

   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

   02110-1301 USA

*/

#include "config.h"

#include <stdlib.h>

#include <string.h>

#include <strings.h>

#include <lber.h>

#include <ldap.h>

#include "compat/ldap_compat.h"

#include "nslcd/log.h"

/* provide a wrapper around ldap_init() if the system doesn't have

   ldap_initialize() */

int ldap_initialize(LDAP **ldp, const char *url)

{

  char host[80];

  /* check schema part */

  if (strncasecmp(url, "ldap://", 7) == 0)

  {

    strncpy(host, url + 7, sizeof(host));

    host[sizeof(host) - 1] = '\0';

  }

  else if (strncasecmp(url, "ldaps://", 8) == 0)

  {

    strncpy(host, url + 8, sizeof(host));

    host[sizeof(host) - 1] = '\0';

  }

  else

  {

    log_log(LOG_ERR, "ldap_initialize(): schema not supported: %s", url);

    exit(EXIT_FAILURE);

  }

  /* strip trailing slash */

  if ((strlen(host) > 0) && (host[strlen(host) - 1] == '/'))

    host[strlen(host) - 1] = '\0';

  /* call ldap_init() */

  *ldp = ldap_init(host, LDAP_PORT);

  return (*ldp == NULL) ? LDAP_OPERATIONS_ERROR : LDAP_SUCCESS;

}