mirror of
https://github.com/samba-team/samba.git
synced 2024-12-25 23:21:54 +03:00
ba1838300c
Guenther Signed-off-by: Günther Deschner <gd@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
253 lines
8.1 KiB
C
253 lines
8.1 KiB
C
/*
|
|
* Copyright (c) 1999-2001, 2003, PADL Software Pty Ltd.
|
|
* Copyright (c) 2004-2009, Andrew Bartlett <abartlet@samba.org>.
|
|
* Copyright (c) 2004, Stefan Metzmacher <metze@samba.org>
|
|
* All rights reserved.
|
|
*
|
|
* 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 PADL Software 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 PADL SOFTWARE 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 PADL SOFTWARE 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.
|
|
*/
|
|
|
|
#include "includes.h"
|
|
#include "kdc/kdc-glue.h"
|
|
#include "kdc/db-glue.h"
|
|
#include "auth/auth_sam.h"
|
|
#include <ldb.h>
|
|
|
|
static krb5_error_code hdb_samba4_open(krb5_context context, HDB *db, int flags, mode_t mode)
|
|
{
|
|
if (db->hdb_master_key_set) {
|
|
krb5_error_code ret = HDB_ERR_NOENTRY;
|
|
krb5_warnx(context, "hdb_samba4_open: use of a master key incompatible with LDB\n");
|
|
krb5_set_error_message(context, ret, "hdb_samba4_open: use of a master key incompatible with LDB\n");
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static krb5_error_code hdb_samba4_close(krb5_context context, HDB *db)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static krb5_error_code hdb_samba4_lock(krb5_context context, HDB *db, int operation)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static krb5_error_code hdb_samba4_unlock(krb5_context context, HDB *db)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static krb5_error_code hdb_samba4_rename(krb5_context context, HDB *db, const char *new_name)
|
|
{
|
|
return HDB_ERR_DB_INUSE;
|
|
}
|
|
|
|
static krb5_error_code hdb_samba4_store(krb5_context context, HDB *db, unsigned flags, hdb_entry_ex *entry)
|
|
{
|
|
return HDB_ERR_DB_INUSE;
|
|
}
|
|
|
|
static krb5_error_code hdb_samba4_remove(krb5_context context, HDB *db, krb5_const_principal principal)
|
|
{
|
|
return HDB_ERR_DB_INUSE;
|
|
}
|
|
|
|
static krb5_error_code hdb_samba4_fetch_kvno(krb5_context context, HDB *db,
|
|
krb5_const_principal principal,
|
|
unsigned flags,
|
|
krb5_kvno kvno,
|
|
hdb_entry_ex *entry_ex)
|
|
{
|
|
struct samba_kdc_db_context *kdc_db_ctx;
|
|
|
|
kdc_db_ctx = talloc_get_type_abort(db->hdb_db,
|
|
struct samba_kdc_db_context);
|
|
|
|
return samba_kdc_fetch(context, kdc_db_ctx, principal, flags, kvno, entry_ex);
|
|
}
|
|
|
|
static krb5_error_code hdb_samba4_firstkey(krb5_context context, HDB *db, unsigned flags,
|
|
hdb_entry_ex *entry)
|
|
{
|
|
struct samba_kdc_db_context *kdc_db_ctx;
|
|
|
|
kdc_db_ctx = talloc_get_type_abort(db->hdb_db,
|
|
struct samba_kdc_db_context);
|
|
|
|
return samba_kdc_firstkey(context, kdc_db_ctx, entry);
|
|
}
|
|
|
|
static krb5_error_code hdb_samba4_nextkey(krb5_context context, HDB *db, unsigned flags,
|
|
hdb_entry_ex *entry)
|
|
{
|
|
struct samba_kdc_db_context *kdc_db_ctx;
|
|
|
|
kdc_db_ctx = talloc_get_type_abort(db->hdb_db,
|
|
struct samba_kdc_db_context);
|
|
|
|
return samba_kdc_nextkey(context, kdc_db_ctx, entry);
|
|
}
|
|
|
|
static krb5_error_code hdb_samba4_destroy(krb5_context context, HDB *db)
|
|
{
|
|
talloc_free(db);
|
|
return 0;
|
|
}
|
|
|
|
static krb5_error_code
|
|
hdb_samba4_check_constrained_delegation(krb5_context context, HDB *db,
|
|
hdb_entry_ex *entry,
|
|
krb5_const_principal target_principal)
|
|
{
|
|
struct samba_kdc_db_context *kdc_db_ctx;
|
|
struct samba_kdc_entry *skdc_entry;
|
|
|
|
kdc_db_ctx = talloc_get_type_abort(db->hdb_db,
|
|
struct samba_kdc_db_context);
|
|
skdc_entry = talloc_get_type_abort(entry->ctx,
|
|
struct samba_kdc_entry);
|
|
|
|
return samba_kdc_check_s4u2proxy(context, kdc_db_ctx,
|
|
skdc_entry,
|
|
target_principal);
|
|
}
|
|
|
|
static krb5_error_code
|
|
hdb_samba4_check_pkinit_ms_upn_match(krb5_context context, HDB *db,
|
|
hdb_entry_ex *entry,
|
|
krb5_const_principal certificate_principal)
|
|
{
|
|
struct samba_kdc_db_context *kdc_db_ctx;
|
|
struct samba_kdc_entry *skdc_entry;
|
|
|
|
kdc_db_ctx = talloc_get_type_abort(db->hdb_db,
|
|
struct samba_kdc_db_context);
|
|
skdc_entry = talloc_get_type_abort(entry->ctx,
|
|
struct samba_kdc_entry);
|
|
|
|
return samba_kdc_check_pkinit_ms_upn_match(context, kdc_db_ctx,
|
|
skdc_entry,
|
|
certificate_principal);
|
|
}
|
|
|
|
static krb5_error_code
|
|
hdb_samba4_check_s4u2self(krb5_context context, HDB *db,
|
|
hdb_entry_ex *entry,
|
|
krb5_const_principal target_principal)
|
|
{
|
|
struct samba_kdc_db_context *kdc_db_ctx;
|
|
struct samba_kdc_entry *skdc_entry;
|
|
|
|
kdc_db_ctx = talloc_get_type_abort(db->hdb_db,
|
|
struct samba_kdc_db_context);
|
|
skdc_entry = talloc_get_type_abort(entry->ctx,
|
|
struct samba_kdc_entry);
|
|
|
|
return samba_kdc_check_s4u2self(context, kdc_db_ctx,
|
|
skdc_entry,
|
|
target_principal);
|
|
}
|
|
|
|
static krb5_error_code hdb_samba4_auth_status(krb5_context context, HDB *db,
|
|
hdb_entry_ex *entry,
|
|
int hdb_auth_status)
|
|
{
|
|
struct samba_kdc_db_context *kdc_db_ctx = talloc_get_type_abort(db->hdb_db,
|
|
struct samba_kdc_db_context);
|
|
struct samba_kdc_entry *p = talloc_get_type(entry->ctx, struct samba_kdc_entry);
|
|
|
|
if (hdb_auth_status == HDB_AUTH_WRONG_PASSWORD) {
|
|
authsam_update_bad_pwd_count(kdc_db_ctx->samdb, p->msg, ldb_get_default_basedn(kdc_db_ctx->samdb));
|
|
} else if (hdb_auth_status == HDB_AUTH_SUCCESS) {
|
|
authsam_zero_bad_pwd_count(kdc_db_ctx->samdb, p->msg);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* This interface is to be called by the KDC and libnet_keytab_dump,
|
|
* which is expecting Samba calling conventions.
|
|
* It is also called by a wrapper (hdb_samba4_create) from the
|
|
* kpasswdd -> krb5 -> keytab_hdb -> hdb code */
|
|
|
|
NTSTATUS hdb_samba4_create_kdc(struct samba_kdc_base_context *base_ctx,
|
|
krb5_context context, struct HDB **db)
|
|
{
|
|
struct samba_kdc_db_context *kdc_db_ctx;
|
|
NTSTATUS nt_status;
|
|
|
|
if (hdb_interface_version != HDB_INTERFACE_VERSION) {
|
|
krb5_set_error_message(context, EINVAL, "Heimdal HDB interface version mismatch between build-time and run-time libraries!");
|
|
return NT_STATUS_ERROR_DS_INCOMPATIBLE_VERSION;
|
|
}
|
|
|
|
*db = talloc(base_ctx, HDB);
|
|
if (!*db) {
|
|
krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
(*db)->hdb_master_key_set = 0;
|
|
(*db)->hdb_db = NULL;
|
|
(*db)->hdb_capability_flags = HDB_CAP_F_HANDLE_ENTERPRISE_PRINCIPAL;
|
|
|
|
nt_status = samba_kdc_setup_db_ctx(*db, base_ctx, &kdc_db_ctx);
|
|
if (!NT_STATUS_IS_OK(nt_status)) {
|
|
talloc_free(*db);
|
|
return nt_status;
|
|
}
|
|
(*db)->hdb_db = kdc_db_ctx;
|
|
|
|
(*db)->hdb_dbc = NULL;
|
|
(*db)->hdb_open = hdb_samba4_open;
|
|
(*db)->hdb_close = hdb_samba4_close;
|
|
(*db)->hdb_fetch_kvno = hdb_samba4_fetch_kvno;
|
|
(*db)->hdb_store = hdb_samba4_store;
|
|
(*db)->hdb_remove = hdb_samba4_remove;
|
|
(*db)->hdb_firstkey = hdb_samba4_firstkey;
|
|
(*db)->hdb_nextkey = hdb_samba4_nextkey;
|
|
(*db)->hdb_lock = hdb_samba4_lock;
|
|
(*db)->hdb_unlock = hdb_samba4_unlock;
|
|
(*db)->hdb_rename = hdb_samba4_rename;
|
|
/* we don't implement these, as we are not a lockable database */
|
|
(*db)->hdb__get = NULL;
|
|
(*db)->hdb__put = NULL;
|
|
/* kadmin should not be used for deletes - use other tools instead */
|
|
(*db)->hdb__del = NULL;
|
|
(*db)->hdb_destroy = hdb_samba4_destroy;
|
|
|
|
(*db)->hdb_auth_status = hdb_samba4_auth_status;
|
|
(*db)->hdb_check_constrained_delegation = hdb_samba4_check_constrained_delegation;
|
|
(*db)->hdb_check_pkinit_ms_upn_match = hdb_samba4_check_pkinit_ms_upn_match;
|
|
(*db)->hdb_check_s4u2self = hdb_samba4_check_s4u2self;
|
|
|
|
return NT_STATUS_OK;
|
|
}
|