libntsvcs/common/netr_svc.c

/*
 * 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, 2011, Oracle and/or its affiliates. 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/libntsvcs.h>
#include <smbsrv/ndl/netlogon.ndl>
#include <smb/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)
{
    (void) ndr_svc_register(&netr_service);
}

/*
 * 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);

/*
 * Patch the netr_SamLogon union.
 * This function is called from mlsvc_netr_ndr.c
 */
void
fixup_netr_SamLogon(struct netr_SamLogon *arg)
{
    unsigned short size1 = 0;
    unsigned short size2 = 0;
    unsigned short size3 = 0;
    WORD level = (WORD)arg->validation_level;

    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));
    size3 = size2 + sizeof (ndr_request_hdr_t) + sizeof (DWORD);

    FIXUP_PDU_SIZE(netr_validation_u, size1);
    FIXUP_PDU_SIZE(netr_validation_info, size2);
    FIXUP_PDU_SIZE(netr_SamLogon, size3);
}