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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2020 Tintri by DDN, Inc. All rights reserved.
*/
/*
* NetLogon RPC (NETR) interface definition. This module provides
* the server side NETR RPC interface and the interface registration
* function.
*/
#include <strings.h>
#include <smbsrv/libsmb.h>
#include <smbsrv/libmlsvc.h>
#include <smbsrv/ndl/netlogon.ndl>
#include <smbsrv/nmpipes.h>
#include <smbsrv/netrauth.h>
static int netr_s_ServerReqChallenge(void *, ndr_xa_t *);
static int netr_s_ServerAuthenticate2(void *, ndr_xa_t *);
static int netr_s_ServerPasswordSet(void *, ndr_xa_t *);
static int netr_s_SamLogon(void *, ndr_xa_t *);
static int netr_s_SamLogoff(void *, ndr_xa_t *);
static ndr_stub_table_t netr_stub_table[] = {
{ netr_s_ServerReqChallenge, NETR_OPNUM_ServerReqChallenge },
{ netr_s_ServerAuthenticate2, NETR_OPNUM_ServerAuthenticate2 },
{ netr_s_ServerPasswordSet, NETR_OPNUM_ServerPasswordSet },
{ netr_s_SamLogon, NETR_OPNUM_SamLogon },
{ netr_s_SamLogoff, NETR_OPNUM_SamLogoff },
{0}
};
static ndr_service_t netr_service = {
"NETR", /* name */
"NetLogon", /* desc */
"\\netlogon", /* endpoint */
PIPE_LSASS, /* sec_addr_port */
"12345678-1234-abcd-ef00-01234567cffb", 1, /* abstract */
NDR_TRANSFER_SYNTAX_UUID, 2, /* transfer */
0, /* no bind_instance_size */
0, /* no bind_req() */
0, /* no unbind_and_close() */
0, /* use generic_call_stub() */
&TYPEINFO(netr_interface), /* interface ti */
netr_stub_table /* stub_table */
};
/*
* netr_initialize
*
* This function registers the NETR RPC interface with the RPC runtime
* library. It must be called in order to use either the client side
* or the server side functions.
*/
void
netr_initialize(void)
{
uint32_t flags;
(void) ndr_svc_register(&netr_service);
flags = smb_get_netlogon_flags();
netlogon_init_global(flags);
}
/*
* netr_s_ServerReqChallenge
*/
/*ARGSUSED*/
static int
netr_s_ServerReqChallenge(void *arg, ndr_xa_t *mxa)
{
struct netr_ServerReqChallenge *param = arg;
bzero(param, sizeof (struct netr_ServerReqChallenge));
param->status = NT_SC_ERROR(NT_STATUS_ACCESS_DENIED);
return (NDR_DRC_OK);
}
/*
* netr_s_ServerAuthenticate2
*/
/*ARGSUSED*/
static int
netr_s_ServerAuthenticate2(void *arg, ndr_xa_t *mxa)
{
struct netr_ServerAuthenticate2 *param = arg;
bzero(param, sizeof (struct netr_ServerAuthenticate2));
param->status = NT_SC_ERROR(NT_STATUS_ACCESS_DENIED);
return (NDR_DRC_OK);
}
/*
* netr_s_ServerPasswordSet
*/
/*ARGSUSED*/
static int
netr_s_ServerPasswordSet(void *arg, ndr_xa_t *mxa)
{
struct netr_PasswordSet *param = arg;
bzero(param, sizeof (struct netr_PasswordSet));
param->status = NT_SC_ERROR(NT_STATUS_ACCESS_DENIED);
return (NDR_DRC_OK);
}
/*
* netr_s_SamLogon
*/
/*ARGSUSED*/
static int
netr_s_SamLogon(void *arg, ndr_xa_t *mxa)
{
struct netr_SamLogon *param = arg;
bzero(param, sizeof (struct netr_SamLogon));
param->status = NT_SC_ERROR(NT_STATUS_ACCESS_DENIED);
return (NDR_DRC_OK);
}
/*
* netr_s_SamLogoff
*/
/*ARGSUSED*/
static int
netr_s_SamLogoff(void *arg, ndr_xa_t *mxa)
{
struct netr_SamLogoff *param = arg;
bzero(param, sizeof (struct netr_SamLogoff));
param->status = NT_SC_ERROR(NT_STATUS_ACCESS_DENIED);
return (NDR_DRC_OK);
}
/*
* Declare extern references.
*/
DECL_FIXUP_STRUCT(netr_validation_u);
DECL_FIXUP_STRUCT(netr_validation_info);
DECL_FIXUP_STRUCT(netr_SamLogon);
DECL_FIXUP_STRUCT(netr_SamLogonEx);
/*
* Patch the netr_validation_info union.
*/
static unsigned short
fixup_netr_validation_info(WORD level)
{
unsigned short size1 = 0;
unsigned short size2 = 0;
switch (level) {
case 3:
/*
* The netr_validation_u union contains a pointer, which
* is a DWORD in NDR. So we need to set size1 to ensure
* that we can correctly decode the remaining parameters.
*/
size1 = sizeof (DWORD);
break;
default:
/*
* If the request is badly formed or the level is invalid,
* the server returns NT_STATUS_INVALID_INFO_CLASS. Size1
* must be zero to correctly decode the status.
*/
size1 = 0;
break;
};
size2 = size1 + (2 * sizeof (DWORD));
FIXUP_PDU_SIZE(netr_validation_u, size1);
FIXUP_PDU_SIZE(netr_validation_info, size2);
return (size2);
}
/*
* Patch the netr_SamLogon union.
* This function is called from mlsvc_netr_ndr.c
*/
void
fixup_netr_SamLogon(struct netr_SamLogon *arg)
{
unsigned short size2 = 0;
unsigned short size3 = 0;
size2 = fixup_netr_validation_info(arg->validation_level);
/* netr_valid ENC-UNION + hdr + ret_auth PTR + authoritative + status */
size3 = size2 + sizeof (ndr_request_hdr_t) + 3 * sizeof (DWORD);
FIXUP_PDU_SIZE(netr_SamLogon, size3);
}
/*
* Patch the netr_SamLogonEx union.
* This function is called from mlsvc_netr_ndr.c
*/
void
fixup_netr_SamLogonEx(struct netr_SamLogonEx *arg)
{
unsigned short size2 = 0;
unsigned short size3 = 0;
size2 = fixup_netr_validation_info(arg->validation_level);
/* netr_valid ENC-UNION + hdr + authoritative + flags + status */
size3 = size2 + sizeof (ndr_request_hdr_t) + 3 * sizeof (DWORD);
FIXUP_PDU_SIZE(netr_SamLogonEx, size3);
}
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