54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf#pragma ident "%Z%%M% %I% %E% SMI"
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf/*
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * lib/kdb/kdb_ldap/ldap_krbcontainer.c
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf *
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * Copyright (c) 2004-2005, Novell, Inc.
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * All rights reserved.
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf *
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * Redistribution and use in source and binary forms, with or without
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * modification, are permitted provided that the following conditions are met:
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf *
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * * Redistributions of source code must retain the above copyright notice,
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * this list of conditions and the following disclaimer.
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * * Redistributions in binary form must reproduce the above copyright
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * notice, this list of conditions and the following disclaimer in the
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * documentation and/or other materials provided with the distribution.
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * * The copyright holder's name is not used to endorse or promote products
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * derived from this software without specific prior written permission.
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf *
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * POSSIBILITY OF SUCH DAMAGE.
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf */
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf#include "ldap_main.h"
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf#include "kdb_ldap.h"
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf#include "ldap_err.h"
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf#include <libintl.h>
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillfchar *policyrefattribute[] = {"krbTicketPolicyReference",NULL};
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillfchar *krbcontainerrefattr[] = {"krbContainerReference", NULL};
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf/*
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * Free the krb5_ldap_krbcontainer_params
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf */
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillfvoid
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillfkrb5_ldap_free_krbcontainer_params(krb5_ldap_krbcontainer_params *cparams)
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf{
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (cparams == NULL)
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf return;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (cparams->policyreference)
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_xfree(cparams->policyreference);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (cparams->parent)
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_xfree(cparams->parent);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (cparams->DN)
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_xfree(cparams->DN);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_xfree(cparams);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf return;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf}
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf/*
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * Read the kerberos container. Kerberos container dn is read from the krb5.conf file.
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * In case of eDirectory, if the dn is not present in the conf file, refer Security Container
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * to fetch the dn information.
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf *
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * Reading kerberos container includes reading the policyreference attribute and the policy
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * object to read the attributes associated with it.
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf */
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillfkrb5_error_code
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillfkrb5_ldap_read_krbcontainer_params(krb5_context context,
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_ldap_krbcontainer_params **cparamp)
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf{
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_error_code st=0, tempst=0;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf LDAP *ld=NULL;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf LDAPMessage *result=NULL, *ent=NULL;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_ldap_krbcontainer_params *cparams=NULL;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf kdb5_dal_handle *dal_handle=NULL;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_ldap_context *ldap_context=NULL;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_ldap_server_handle *ldap_server_handle=NULL;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf SETUP_CONTEXT();
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf GET_HANDLE();
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf cparams =(krb5_ldap_krbcontainer_params *) malloc(sizeof(krb5_ldap_krbcontainer_params));
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf CHECK_NULL(cparams);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf memset((char *) cparams, 0, sizeof(krb5_ldap_krbcontainer_params));
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf /* read kerberos containter location from [dbmodules] section of krb5.conf file */
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (ldap_context->conf_section) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if ((st=profile_get_string(context->profile, KDB_MODULE_SECTION, ldap_context->conf_section,
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf "ldap_kerberos_container_dn", NULL,
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf &cparams->DN)) != 0) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_set_error_message(context, st, gettext("Error reading kerberos container location "
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf "from krb5.conf"));
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf goto cleanup;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf /* read kerberos containter location from [dbdefaults] section of krb5.conf file */
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (cparams->DN == NULL) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if ((st=profile_get_string(context->profile, KDB_MODULE_DEF_SECTION,
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf "ldap_kerberos_container_dn", NULL,
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf NULL, &cparams->DN)) != 0) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_set_error_message(context, st, gettext("Error reading kerberos container location "
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf "from krb5.conf"));
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf goto cleanup;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf#ifndef HAVE_EDIRECTORY
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf/*
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * In case eDirectory, we can fall back to security container if the kerberos container location
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * is missing in the conf file. In openldap we will have to return an error.
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf */
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (cparams->DN == NULL) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf st = KRB5_KDB_SERVER_INTERNAL_ERR;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_set_error_message(context, st, gettext("Kerberos container location not specified"));
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf goto cleanup;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf#endif
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (cparams->DN != NULL) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf /* NOTE: krbmaxtktlife, krbmaxrenewableage ... present on Kerberos Container is
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * not read
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf */
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf LDAP_SEARCH_1(cparams->DN, LDAP_SCOPE_BASE, "(objectclass=krbContainer)", policyrefattribute, IGNORE_STATUS);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (st != LDAP_SUCCESS && st != LDAP_NO_SUCH_OBJECT) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf st = set_ldap_error(context, st, OP_SEARCH);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf goto cleanup;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (st == LDAP_NO_SUCH_OBJECT) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf st = KRB5_KDB_NOENTRY;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf goto cleanup;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf#ifdef HAVE_EDIRECTORY
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf /*
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * If the kerberos location in the conf file is missing or invalid, fall back to the
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * security container. If the kerberos location in the security container is also missing
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * then fall back to the default value
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf */
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if ((cparams->DN == NULL) || (st == LDAP_NO_SUCH_OBJECT)) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf /*
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * kerberos container can be anywhere. locate it by reading the security
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * container to find the location.
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf */
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf LDAP_SEARCH(SECURITY_CONTAINER, LDAP_SCOPE_BASE, NULL, krbcontainerrefattr);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if ((ent = ldap_first_entry(ld, result)) != NULL) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if ((st=krb5_ldap_get_string(ld, ent, "krbcontainerreference",
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf &(cparams->DN), NULL)) != 0)
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf goto cleanup;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (cparams->DN == NULL) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf cparams->DN = strdup(KERBEROS_CONTAINER);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf CHECK_NULL(cparams->DN);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf ldap_msgfree(result);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf /* NOTE: krbmaxtktlife, krbmaxrenewableage ... attributes present on
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf * Kerberos Container is not read
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf */
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf LDAP_SEARCH(cparams->DN, LDAP_SCOPE_BASE, "(objectclass=krbContainer)", policyrefattribute);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf#endif
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if ((ent = ldap_first_entry(ld, result))) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if ((st=krb5_ldap_get_string(ld, ent, "krbticketpolicyreference",
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf &(cparams->policyreference), NULL)) != 0)
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf goto cleanup;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf ldap_msgfree(result);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (cparams->policyreference != NULL) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf LDAP_SEARCH_1(cparams->policyreference, LDAP_SCOPE_BASE, NULL, policy_attributes, IGNORE_STATUS);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (st != LDAP_SUCCESS && st!= LDAP_NO_SUCH_OBJECT) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf st = set_ldap_error(context, st, OP_SEARCH);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf goto cleanup;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf st = LDAP_SUCCESS; /* reset the return status in case it is LDAP_NO_SUCH_OBJECT */
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf ent=ldap_first_entry(ld, result);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (ent != NULL) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_ldap_get_value(ld, ent, "krbmaxtktlife", &(cparams->max_life));
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_ldap_get_value(ld, ent, "krbmaxrenewableage", &(cparams->max_renewable_life));
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_ldap_get_value(ld, ent, "krbticketflags", &(cparams->tktflags));
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf ldap_msgfree(result);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf *cparamp=cparams;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillfcleanup:
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf if (st != 0) {
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_ldap_free_krbcontainer_params(cparams);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf *cparamp=NULL;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf }
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf krb5_ldap_put_handle_to_pool(ldap_context, ldap_server_handle);
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf return st;
54925bf60766fbb4f1f2d7c843721406a7b7a3fbwillf}