/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* lib/kdb/kdb_ldap/ldap_create.c
*
* Copyright (c) 2004-2005, Novell, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * 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.
* * The copyright holder's name is not 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 OWNER 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.
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
*/
#include "ldap_main.h"
#include "ldap_realm.h"
#include "ldap_principal.h"
#include "ldap_krbcontainer.h"
#include "ldap_err.h"
#include <libintl.h> /* Solaris Kerberos */
/*
* ******************************************************************************
* DAL functions
* ******************************************************************************
*/
/*
* This function will create a krbcontainer and realm on the LDAP Server, with
* the specified attributes.
*/
krb5_error_code
krb5_ldap_create(krb5_context context, char *conf_section, char **db_args)
{
krb5_error_code status = 0;
char **t_ptr = db_args;
krb5_ldap_realm_params *rparams = NULL;
kdb5_dal_handle *dal_handle = NULL;
krb5_ldap_context *ldap_context=NULL;
krb5_boolean realm_obj_created = FALSE;
krb5_boolean krbcontainer_obj_created = FALSE;
krb5_ldap_krbcontainer_params kparams = {0};
int srv_cnt = 0;
int mask = 0;
#ifdef HAVE_EDIRECTORY
int i = 0, rightsmask = 0;
#endif
/* Clear the global error string */
krb5_clear_error_message(context);
ldap_context = malloc(sizeof(krb5_ldap_context));
if (ldap_context == NULL) {
status = ENOMEM;
goto cleanup;
}
memset(ldap_context, 0, sizeof(*ldap_context));
ldap_context->kcontext = context;
/* populate ldap_context with ldap specific options */
while (t_ptr && *t_ptr) {
char *opt = NULL, *val = NULL;
if ((status = krb5_ldap_get_db_opt(*t_ptr, &opt, &val)) != 0) {
goto cleanup;
}
if (opt && !strcmp(opt, "binddn")) {
if (ldap_context->bind_dn) {
free (opt);
free (val);
status = EINVAL;
krb5_set_error_message (context, status, gettext("'binddn' missing"));
goto cleanup;
}
if (val == NULL) {
status = EINVAL;
krb5_set_error_message (context, status, gettext("'binddn' value missing"));
free(opt);
goto cleanup;
}
ldap_context->bind_dn = strdup(val);
if (ldap_context->bind_dn == NULL) {
free (opt);
free (val);
status = ENOMEM;
goto cleanup;
}
} else if (opt && !strcmp(opt, "nconns")) {
if (ldap_context->max_server_conns) {
free (opt);
free (val);
status = EINVAL;
krb5_set_error_message (context, status, gettext("'nconns' missing"));
goto cleanup;
}
if (val == NULL) {
status = EINVAL;
krb5_set_error_message (context, status, gettext("'nconns' value missing"));
free(opt);
goto cleanup;
}
ldap_context->max_server_conns = atoi(val) ? atoi(val) : DEFAULT_CONNS_PER_SERVER;
} else if (opt && !strcmp(opt, "bindpwd")) {
if (ldap_context->bind_pwd) {
free (opt);
free (val);
status = EINVAL;
krb5_set_error_message (context, status, gettext("'bindpwd' missing"));
goto cleanup;
}
if (val == NULL) {
status = EINVAL;
krb5_set_error_message (context, status, gettext("'bindpwd' value missing"));
free(opt);
goto cleanup;
}
ldap_context->bind_pwd = strdup(val);
if (ldap_context->bind_pwd == NULL) {
free (opt);
free (val);
status = ENOMEM;
goto cleanup;
}
} else if (opt && !strcmp(opt, "host")) {
if (val == NULL) {
status = EINVAL;
krb5_set_error_message (context, status, gettext("'host' value missing"));
free(opt);
goto cleanup;
}
if (ldap_context->server_info_list == NULL)
ldap_context->server_info_list =
(krb5_ldap_server_info **) calloc(SERV_COUNT+1, sizeof(krb5_ldap_server_info *));
if (ldap_context->server_info_list == NULL) {
free (opt);
free (val);
status = ENOMEM;
goto cleanup;
}
ldap_context->server_info_list[srv_cnt] =
(krb5_ldap_server_info *) calloc(1, sizeof(krb5_ldap_server_info));
if (ldap_context->server_info_list[srv_cnt] == NULL) {
free (opt);
free (val);
status = ENOMEM;
goto cleanup;
}
ldap_context->server_info_list[srv_cnt]->server_status = NOTSET;
ldap_context->server_info_list[srv_cnt]->server_name = strdup(val);
if (ldap_context->server_info_list[srv_cnt]->server_name == NULL) {
free (opt);
free (val);
status = ENOMEM;
goto cleanup;
}
srv_cnt++;
#ifdef HAVE_EDIRECTORY
} else if (opt && !strcmp(opt, "cert")) {
if (val == NULL) {
status = EINVAL;
krb5_set_error_message (context, status, gettext("'cert' value missing"));
free(opt);
goto cleanup;
}
if (ldap_context->root_certificate_file == NULL) {
ldap_context->root_certificate_file = strdup(val);
if (ldap_context->root_certificate_file == NULL) {
free (opt);
free (val);
status = ENOMEM;
goto cleanup;
}
} else {
char *newstr;
if (asprintf(&newstr, "%s %s",
ldap_context->root_certificate_file, val) < 0) {
free (opt);
free (val);
status = ENOMEM;
goto cleanup;
}
ldap_context->root_certificate_file = newstr;
}
#endif
} else {
/* ignore hash argument. Might have been passed from create */
status = EINVAL;
if (opt && !strcmp(opt, "temporary")) {
/*
* temporary is passed in when kdb5_util load without -update is done.
* This is unsupported by the LDAP plugin.
*/
krb5_set_error_message (context, status,
gettext("creation of LDAP entries aborted, plugin requires -update argument"));
} else {
krb5_set_error_message (context, status, "unknown option \'%s\'",
opt?opt:val);
}
free(opt);
free(val);
goto cleanup;
}
free(opt);
free(val);
t_ptr++;
}
dal_handle = context->dal_handle;
dal_handle->db_context = (kdb5_dal_handle *) ldap_context;
status = krb5_ldap_read_server_params(context, conf_section, KRB5_KDB_SRV_TYPE_ADMIN);
if (status) {
dal_handle->db_context = NULL;
prepend_err_str (context, gettext("Error reading LDAP server params: "), status, status);
goto cleanup;
}
status = krb5_ldap_db_init(context, ldap_context);
if (status) {
goto cleanup;
}
/* read the kerberos container */
if ((status = krb5_ldap_read_krbcontainer_params(context,
&(ldap_context->krbcontainer))) == KRB5_KDB_NOENTRY) {
/* Read the kerberos container location from configuration file */
if (ldap_context->conf_section) {
if ((status = profile_get_string(context->profile,
KDB_MODULE_SECTION, ldap_context->conf_section,
"ldap_kerberos_container_dn", NULL,
&kparams.DN)) != 0) {
goto cleanup;
}
}
if (kparams.DN == NULL) {
if ((status = profile_get_string(context->profile,
KDB_MODULE_DEF_SECTION,
"ldap_kerberos_container_dn", NULL,
NULL, &kparams.DN)) != 0) {
goto cleanup;
}
}
/* create the kerberos container */
status = krb5_ldap_create_krbcontainer(context,
((kparams.DN != NULL) ? &kparams : NULL));
if (status)
goto cleanup;
krbcontainer_obj_created = TRUE;
status = krb5_ldap_read_krbcontainer_params(context,
&(ldap_context->krbcontainer));
if (status)
goto cleanup;
} else if (status) {
goto cleanup;
}
rparams = (krb5_ldap_realm_params *) malloc(sizeof(krb5_ldap_realm_params));
if (rparams == NULL) {
status = ENOMEM;
goto cleanup;
}
memset(rparams, 0, sizeof(*rparams));
rparams->realm_name = strdup(context->default_realm);
if (rparams->realm_name == NULL) {
status = ENOMEM;
goto cleanup;
}
if ((status = krb5_ldap_create_realm(context, rparams, mask)))
goto cleanup;
/* We just created the Realm container. Here starts our transaction tracking */
realm_obj_created = TRUE;
/* verify realm object */
if ((status = krb5_ldap_read_realm_params(context,
rparams->realm_name,
&(ldap_context->lrparams),
&mask)))
goto cleanup;
#ifdef HAVE_EDIRECTORY
if ((mask & LDAP_REALM_KDCSERVERS) || (mask & LDAP_REALM_ADMINSERVERS) ||
(mask & LDAP_REALM_PASSWDSERVERS)) {
rightsmask =0;
rightsmask |= LDAP_REALM_RIGHTS;
rightsmask |= LDAP_SUBTREE_RIGHTS;
if ((rparams != NULL) && (rparams->kdcservers != NULL)) {
for (i=0; (rparams->kdcservers[i] != NULL); i++) {
if ((status=krb5_ldap_add_service_rights(context,
LDAP_KDC_SERVICE, rparams->kdcservers[i],
rparams->realm_name, rparams->subtree, rparams->containerref, rightsmask)) != 0) {
goto cleanup;
}
}
}
rightsmask = 0;
rightsmask |= LDAP_REALM_RIGHTS;
rightsmask |= LDAP_SUBTREE_RIGHTS;
if ((rparams != NULL) && (rparams->adminservers != NULL)) {
for (i=0; (rparams->adminservers[i] != NULL); i++) {
if ((status=krb5_ldap_add_service_rights(context,
LDAP_ADMIN_SERVICE, rparams->adminservers[i],
rparams->realm_name, rparams->subtree, rparams->containerref, rightsmask)) != 0) {
goto cleanup;
}
}
}
rightsmask = 0;
rightsmask |= LDAP_REALM_RIGHTS;
rightsmask |= LDAP_SUBTREE_RIGHTS;
if ((rparams != NULL) && (rparams->passwdservers != NULL)) {
for (i=0; (rparams->passwdservers[i] != NULL); i++) {
if ((status=krb5_ldap_add_service_rights(context,
LDAP_PASSWD_SERVICE, rparams->passwdservers[i],
rparams->realm_name, rparams->subtree, rparams->containerref, rightsmask)) != 0) {
goto cleanup;
}
}
}
}
#endif
cleanup:
/* If the krbcontainer/realm creation is not complete, do the roll-back here */
if ((krbcontainer_obj_created) && (!realm_obj_created)) {
int rc;
rc = krb5_ldap_delete_krbcontainer(context,
((kparams.DN != NULL) ? &kparams : NULL));
krb5_set_error_message(context, rc,
gettext("could not complete roll-back, error deleting Kerberos Container"));
}
/* should call krb5_ldap_free_krbcontainer_params() but can't */
if (kparams.DN != NULL)
krb5_xfree(kparams.DN);
if (rparams)
krb5_ldap_free_realm_params(rparams);
/* Solaris Kerberos */
if (status != 0) {
krb5_ldap_free_ldap_context(ldap_context);
dal_handle->db_context = NULL;
}
return(status);
}