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/*
Unix SMB/CIFS implementation.
Samba KDB plugin for MIT Kerberos
Copyright (c) 2010 Simo Sorce <idra@samba.org>.
Copyright (c) 2014 Andreas Schneider <asn@samba.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "system/kerberos.h"
#include <profile.h>
#include <kdb.h>
#include "kdc/samba_kdc.h"
#include "kdc/mit_samba.h"
#include "kdb_samba.h"
static krb5_error_code kdb_samba_init_library(void)
{
return 0;
}
static krb5_error_code kdb_samba_fini_library(void)
{
return 0;
}
static krb5_error_code kdb_samba_init_module(krb5_context context,
char *conf_section,
char **db_args,
int mode)
{
/* TODO mit_samba_context_init */
struct mit_samba_context *mit_ctx;
krb5_error_code code;
int rc;
rc = mit_samba_context_init(&mit_ctx);
if (rc != 0) {
return ENOMEM;
}
code = krb5_db_set_context(context, mit_ctx);
return code;
}
static krb5_error_code kdb_samba_fini_module(krb5_context context)
{
struct mit_samba_context *mit_ctx;
mit_ctx = ks_get_context(context);
if (mit_ctx == NULL) {
return 0;
}
mit_samba_context_free(mit_ctx);
return 0;
}
static krb5_error_code kdb_samba_db_create(krb5_context context,
char *conf_section,
char **db_args)
{
/* NOTE: used only by kadmin */
return KRB5_KDB_DBTYPE_NOSUP;
}
static krb5_error_code kdb_samba_db_destroy(krb5_context context,
char *conf_section,
char **db_args)
{
/* NOTE: used only by kadmin */
return KRB5_KDB_DBTYPE_NOSUP;
}
static krb5_error_code kdb_samba_db_get_age(krb5_context context,
char *db_name,
time_t *age)
{
/* TODO: returns last modification time of the db */
/* NOTE: used by and affects only lookaside cache,
* defer implementation until needed as samba doesn't keep this
* specific value readily available and it would require a full
* database search to get it. */
*age = time(NULL);
return 0;
}
static krb5_error_code kdb_samba_db_lock(krb5_context context, int kmode)
{
/* NOTE: important only for kadmin */
/* NOTE: deferred as samba's DB cannot be easily locked and doesn't
* really make sense to do so anyway as the db is shared and support
* transactions */
return 0;
}
static krb5_error_code kdb_samba_db_unlock(krb5_context context)
{
/* NOTE: important only for kadmin */
/* NOTE: deferred as samba's DB cannot be easily locked and doesn't
* really make sense to do so anyway as the db is shared and support
* transactions */
return 0;
}
static void kdb_samba_db_free_principal_e_data(krb5_context context,
krb5_octet *e_data)
{
struct samba_kdc_entry *skdc_entry;
skdc_entry = talloc_get_type_abort(e_data,
struct samba_kdc_entry);
skdc_entry->kdc_entry = NULL;
TALLOC_FREE(skdc_entry);
}
kdb_vftabl kdb_function_table = {
.maj_ver = KRB5_KDB_DAL_MAJOR_VERSION,
.min_ver = KRB5_KDB_DAL_MAJOR_VERSION == 6 ? 1 : 0,
.init_library = kdb_samba_init_library,
.fini_library = kdb_samba_fini_library,
.init_module = kdb_samba_init_module,
.fini_module = kdb_samba_fini_module,
.create = kdb_samba_db_create,
.destroy = kdb_samba_db_destroy,
.get_age = kdb_samba_db_get_age,
.lock = kdb_samba_db_lock,
.unlock = kdb_samba_db_unlock,
.get_principal = kdb_samba_db_get_principal,
.put_principal = kdb_samba_db_put_principal,
.delete_principal = kdb_samba_db_delete_principal,
.iterate = kdb_samba_db_iterate,
.fetch_master_key = kdb_samba_fetch_master_key,
.fetch_master_key_list = kdb_samba_fetch_master_key_list,
.change_pwd = kdb_samba_change_pwd,
.decrypt_key_data = kdb_samba_dbekd_decrypt_key_data,
.encrypt_key_data = kdb_samba_dbekd_encrypt_key_data,
.check_policy_as = kdb_samba_db_check_policy_as,
.audit_as_req = kdb_samba_db_audit_as_req,
.check_allowed_to_delegate = kdb_samba_db_check_allowed_to_delegate,
.free_principal_e_data = kdb_samba_db_free_principal_e_data,
#if KRB5_KDB_DAL_MAJOR_VERSION >= 9
.allowed_to_delegate_from = kdb_samba_db_allowed_to_delegate_from,
.issue_pac = kdb_samba_db_issue_pac,
#else
.sign_authdata = kdb_samba_db_sign_auth_data,
#endif
};
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