660 lines
15 KiB
C
660 lines
15 KiB
C
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/*++
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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ApiMsg.c
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Abstract:
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This module contains individual API handlers for the NetMessage APIs.
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SUPPORTED - NetMessageBufferSend, NetMessageNameAdd, NetMessageNameDel,
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NetMessageNameEnum, NetMessageNameGetInfo.
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Author:
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Shanku Niyogi (w-shanku) 8-Mar-1991
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Revision History:
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--*/
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#include "XactSrvP.h"
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//
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// Declaration of descriptor strings.
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//
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STATIC const LPDESC Desc16_msg_info_0 = REM16_msg_info_0;
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STATIC const LPDESC Desc32_msg_info_0 = REM32_msg_info_0;
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STATIC const LPDESC Desc16_msg_info_1 = REM16_msg_info_1;
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STATIC const LPDESC Desc32_msg_info_1 = REM32_msg_info_1;
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NTSTATUS
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XsNetMessageBufferSend (
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API_HANDLER_PARAMETERS
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)
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/*++
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Routine Description:
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This routine handles a call to NetMessageBufferSend.
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Arguments:
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API_HANDLER_PARAMETERS - information about the API call. See
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XsTypes.h for details.
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Return Value:
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NTSTATUS - STATUS_SUCCESS or reason for failure.
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--*/
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{
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NET_API_STATUS status;
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PXS_NET_MESSAGE_BUFFER_SEND parameters = Parameters;
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LPTSTR nativeRecipient = NULL; // Native parameters
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LPBYTE nativeBuffer = NULL;
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DWORD nativeBufLen;
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API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
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IF_DEBUG(MESSAGE) {
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NetpKdPrint(( "XsNetMessageBufferSend: header at %lx, params at %lx, "
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"recipient %s\n",
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Header, parameters,
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SmbGetUlong( ¶meters->Recipient )));
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}
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//
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// Translate parameters, check for errors.
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//
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XsConvertTextParameter(
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nativeRecipient,
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(LPSTR)SmbGetUlong( ¶meters->Recipient )
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);
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//
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// NetMessageBufferSend has an ASCII data buffer. Convert this to
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// Unicode if necessary. BUGBUG - Make sure BufLen is semantically correct.
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//
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#ifdef UNICODE
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nativeBufLen = SmbGetUshort( ¶meters->BufLen ) * sizeof(WCHAR);
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if (( nativeBuffer = NetpMemoryAllocate( nativeBufLen )) == NULL ) {
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status = NERR_NoRoom;
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goto cleanup;
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} else {
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XsCopyBufToTBuf(
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(LPBYTE)nativeBuffer,
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(LPBYTE)SmbGetUlong( ¶meters->Buffer ),
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(DWORD)SmbGetUshort( ¶meters->BufLen )
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);
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}
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#else
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nativeBuffer = (LPBYTE)SmbGetUlong( ¶meters->Buffer );
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nativeBufLen = (DWORD)SmbGetUshort( ¶meters->BufLen );
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#endif // def UNICODE
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status = NetMessageBufferSend(
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NULL,
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nativeRecipient,
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NULL,
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nativeBuffer,
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nativeBufLen
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);
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if ( !XsApiSuccess( status )) {
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IF_DEBUG(ERRORS) {
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NetpKdPrint(( "XsNetMessageBufferSend: NetMessageBufferSend "
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"failed: %X\n", status ));
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}
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}
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cleanup:
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NetpMemoryFree( nativeRecipient );
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#ifdef UNICODE
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NetpMemoryFree( nativeBuffer );
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#endif // def UNICODE
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//
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// Nothing to return.
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//
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Header->Status = (WORD)status;
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return STATUS_SUCCESS;
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} // XsNetMessageBufferSend
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NTSTATUS
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XsNetMessageNameAdd (
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API_HANDLER_PARAMETERS
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)
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/*++
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Routine Description:
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This routine handles a call to NetMessageNameAdd.
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Arguments:
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API_HANDLER_PARAMETERS - information about the API call. See
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XsTypes.h for details.
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Return Value:
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NTSTATUS - STATUS_SUCCESS or reason for failure.
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--*/
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{
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NET_API_STATUS status;
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PXS_NET_MESSAGE_NAME_ADD parameters = Parameters;
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LPTSTR nativeMessageName = NULL; // Native parameters
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API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
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IF_DEBUG(MESSAGE) {
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NetpKdPrint(( "XsNetMessageNameDel: header at %lx, params at %lx, "
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"name %s\n",
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Header, parameters,
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SmbGetUlong( ¶meters->MessageName )));
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}
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//
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// Translate parameters, check for errors.
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//
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XsConvertTextParameter(
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nativeMessageName,
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(LPSTR)SmbGetUlong( ¶meters->MessageName )
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);
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//
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// NetMessageNameAdd has one useful parameter, MessageName, a string.
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// The other parameter, FwdAction, is ignored in NT, because forwarding
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// messages is not supported.
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//
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// Make the local call.
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//
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status = NetMessageNameAdd(
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NULL,
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nativeMessageName
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);
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if ( !XsApiSuccess( status )) {
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IF_DEBUG(ERRORS) {
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NetpKdPrint(( "XsNetMessageNameAdd: NetMessageNameAdd "
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"failed: %X\n", status ));
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}
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}
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cleanup:
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NetpMemoryFree( nativeMessageName );
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//
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// Nothing to return.
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//
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Header->Status = (WORD)status;
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return STATUS_SUCCESS;
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} // XsNetMessageNameAdd
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NTSTATUS
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XsNetMessageNameDel (
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API_HANDLER_PARAMETERS
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)
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/*++
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Routine Description:
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This routine handles a call to NetMessageNameDel.
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Arguments:
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Transaction - a pointer to a transaction block containing information
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about the API to process.
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Return Value:
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NTSTATUS - STATUS_SUCCESS or reason for failure.
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--*/
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{
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NET_API_STATUS status;
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PXS_NET_MESSAGE_NAME_DEL parameters = Parameters;
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LPTSTR nativeMessageName = NULL; // Native parameters
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API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
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IF_DEBUG(MESSAGE) {
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NetpKdPrint(( "XsNetMessageNameDel: header at %lx, params at %lx, "
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"name %s\n",
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Header, parameters,
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SmbGetUlong( ¶meters->MessageName )));
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}
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//
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// Translate parameters, check for errors.
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//
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XsConvertTextParameter(
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nativeMessageName,
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(LPSTR)SmbGetUlong( ¶meters->MessageName )
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);
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//
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// NetMessageNameDel has only one useful parameter, MessageName, which is
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// a string. The other parameter, FwdAction, is ignored, because NT does
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// not support message forwarding.
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//
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// Make the local call.
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//
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status = NetMessageNameDel(
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NULL,
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nativeMessageName
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);
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if ( !XsApiSuccess( status )) {
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IF_DEBUG(ERRORS) {
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NetpKdPrint(( "XsNetMessageNameDel: NetMessageNameDel failed: "
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"%X\n", status ));
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}
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}
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cleanup:
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NetpMemoryFree( nativeMessageName );
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//
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// Nothing to return.
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//
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Header->Status = (WORD)status;
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return STATUS_SUCCESS;
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} // XsNetMessageNameDel
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NTSTATUS
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XsNetMessageNameEnum (
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API_HANDLER_PARAMETERS
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)
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/*++
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Routine Description:
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This routine handles a call to NetMessageNameEnum.
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Arguments:
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API_HANDLER_PARAMETERS - information about the API call. See
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XsTypes.h for details.
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Return Value:
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NTSTATUS - STATUS_SUCCESS or reason for failure.
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--*/
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{
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NET_API_STATUS status;
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PXS_NET_MESSAGE_NAME_ENUM parameters = Parameters;
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LPVOID outBuffer = NULL; // Native parameters
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DWORD entriesRead;
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DWORD totalEntries;
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DWORD entriesFilled; // Conversion variables
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DWORD bytesRequired = 0;
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LPDESC nativeStructureDesc;
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API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
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IF_DEBUG(MESSAGE) {
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NetpKdPrint(( "XsNetMessageNameEnum: header at %lx, params at %lx, "
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"level %ld, buf size %ld\n",
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Header, parameters, SmbGetUshort( ¶meters->Level ),
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SmbGetUshort( ¶meters->BufLen )));
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}
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//
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// Check for errors.
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//
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if ( XsWordParamOutOfRange( parameters->Level, 0, 1 )) {
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Header->Status = ERROR_INVALID_LEVEL;
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goto cleanup;
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}
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//
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// Get the actual information from the local 32-bit call.
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//
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status = NetMessageNameEnum(
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NULL,
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(DWORD)SmbGetUshort( ¶meters->Level ),
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(LPBYTE *)&outBuffer,
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XsNativeBufferSize( SmbGetUshort( ¶meters->BufLen )),
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&entriesRead,
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&totalEntries,
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NULL
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);
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if ( !XsApiSuccess( status )) {
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IF_DEBUG(API_ERRORS) {
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NetpKdPrint(( "XsNetMessageNameEnum: NetMessageNameEnum failed:"
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" %X\n", status ));
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}
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Header->Status = (WORD)status;
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goto cleanup;
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}
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IF_DEBUG(MESSAGE) {
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NetpKdPrint(( "XsNetMessageNameEnum: received %ld entries at %lx\n",
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entriesRead, outBuffer ));
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}
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//
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// Use the requested level to determine the format of the
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// data structure.
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//
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switch ( SmbGetUshort( ¶meters->Level ) ) {
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case 0:
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nativeStructureDesc = Desc32_msg_info_0;
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StructureDesc = Desc16_msg_info_0;
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break;
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case 1:
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nativeStructureDesc = Desc32_msg_info_1;
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StructureDesc = Desc16_msg_info_1;
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break;
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}
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//
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// Do the actual conversion from the 32-bit structures to 16-bit
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// structures.
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//
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|
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XsFillEnumBuffer(
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outBuffer,
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entriesRead,
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|
nativeStructureDesc,
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(LPVOID)SmbGetUlong( ¶meters->Buffer ),
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(LPVOID)SmbGetUlong( ¶meters->Buffer ),
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SmbGetUshort( ¶meters->BufLen ),
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|
StructureDesc,
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|
NULL, // verify function
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|||
|
&bytesRequired,
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&entriesFilled,
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NULL
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|
);
|
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|
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IF_DEBUG(MESSAGE) {
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NetpKdPrint(( "32-bit data at %lx, 16-bit data at %lx, %ld BR,"
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" Entries %ld of %ld\n",
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outBuffer, SmbGetUlong( ¶meters->Buffer ),
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bytesRequired, entriesFilled, totalEntries ));
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}
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|||
|
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|||
|
//
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|||
|
// If all the entries could not be filled, return ERROR_MORE_DATA,
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|
// and return the buffer as is. MSG_INFO_x structures have no
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|
// data to pack.
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|
//
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|||
|
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|
if ( entriesFilled < totalEntries ) {
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|
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|||
|
Header->Status = ERROR_MORE_DATA;
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|||
|
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|||
|
}
|
|||
|
|
|||
|
//
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|||
|
// Set up the response parameters.
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|
//
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|||
|
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|||
|
SmbPutUshort( ¶meters->EntriesRead, (WORD)entriesFilled );
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SmbPutUshort( ¶meters->TotalAvail, (WORD)totalEntries );
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|
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|
cleanup:
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|||
|
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|||
|
NetApiBufferFree( outBuffer );
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|||
|
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|||
|
//
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|||
|
// Determine return buffer size.
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|||
|
//
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|||
|
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|||
|
XsSetDataCount(
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|
¶meters->BufLen,
|
|||
|
StructureDesc,
|
|||
|
Header->Converter,
|
|||
|
entriesFilled,
|
|||
|
Header->Status
|
|||
|
);
|
|||
|
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|||
|
return STATUS_SUCCESS;
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|||
|
|
|||
|
} // XsNetMessageNameEnum
|
|||
|
|
|||
|
|
|||
|
NTSTATUS
|
|||
|
XsNetMessageNameGetInfo (
|
|||
|
API_HANDLER_PARAMETERS
|
|||
|
)
|
|||
|
|
|||
|
/*++
|
|||
|
|
|||
|
Routine Description:
|
|||
|
|
|||
|
This routine handles a call to NetMessageNameGetInfo.
|
|||
|
|
|||
|
Arguments:
|
|||
|
|
|||
|
API_HANDLER_PARAMETERS - information about the API call. See
|
|||
|
XsTypes.h for details.
|
|||
|
|
|||
|
Return Value:
|
|||
|
|
|||
|
NTSTATUS - STATUS_SUCCESS or reason for failure.
|
|||
|
|
|||
|
--*/
|
|||
|
|
|||
|
{
|
|||
|
NET_API_STATUS status;
|
|||
|
|
|||
|
PXS_NET_MESSAGE_NAME_GET_INFO parameters = Parameters;
|
|||
|
LPTSTR nativeMessageName = NULL; // Native parameters
|
|||
|
LPVOID outBuffer = NULL;
|
|||
|
|
|||
|
DWORD bytesRequired = 0; // Conversion variables
|
|||
|
LPBYTE stringLocation = NULL;
|
|||
|
LPDESC nativeStructureDesc;
|
|||
|
|
|||
|
API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
|
|||
|
|
|||
|
IF_DEBUG(MESSAGE) {
|
|||
|
NetpKdPrint(( "XsNetMessageNameGetInfo: header at %lx, "
|
|||
|
"params at %lx, level %ld\n",
|
|||
|
Header, parameters, SmbGetUshort( ¶meters->Level ) ));
|
|||
|
}
|
|||
|
|
|||
|
//
|
|||
|
// Translate parameters, check for errors.
|
|||
|
//
|
|||
|
|
|||
|
if ( XsWordParamOutOfRange( parameters->Level, 0, 1 )) {
|
|||
|
|
|||
|
Header->Status = ERROR_INVALID_LEVEL;
|
|||
|
goto cleanup;
|
|||
|
}
|
|||
|
|
|||
|
XsConvertTextParameter(
|
|||
|
nativeMessageName,
|
|||
|
(LPSTR)SmbGetUlong( ¶meters->MessageName )
|
|||
|
);
|
|||
|
|
|||
|
//
|
|||
|
// Do the actual local call.
|
|||
|
//
|
|||
|
|
|||
|
status = NetMessageNameGetInfo(
|
|||
|
NULL,
|
|||
|
nativeMessageName,
|
|||
|
(DWORD)SmbGetUshort( ¶meters->Level ),
|
|||
|
(LPBYTE *)&outBuffer
|
|||
|
);
|
|||
|
|
|||
|
if ( !XsApiSuccess( status )) {
|
|||
|
IF_DEBUG(API_ERRORS) {
|
|||
|
NetpKdPrint(( "XsNetMessageNameGetInfo: "
|
|||
|
"NetMessageNameGetInfo failed: %X\n", status ));
|
|||
|
}
|
|||
|
Header->Status = (WORD)status;
|
|||
|
goto cleanup;
|
|||
|
|
|||
|
}
|
|||
|
|
|||
|
//
|
|||
|
// Use the requested level to determine the format of the
|
|||
|
// data structure.
|
|||
|
//
|
|||
|
|
|||
|
switch ( SmbGetUshort( ¶meters->Level ) ) {
|
|||
|
|
|||
|
case 0:
|
|||
|
|
|||
|
nativeStructureDesc = Desc32_msg_info_0;
|
|||
|
StructureDesc = Desc16_msg_info_0;
|
|||
|
break;
|
|||
|
|
|||
|
case 1:
|
|||
|
|
|||
|
nativeStructureDesc = Desc32_msg_info_1;
|
|||
|
StructureDesc = Desc16_msg_info_1;
|
|||
|
break;
|
|||
|
}
|
|||
|
|
|||
|
//
|
|||
|
// Convert the structure returned by the 32-bit call to a 16-bit
|
|||
|
// structure. The last possible location for variable data is
|
|||
|
// calculated from buffer location and length.
|
|||
|
//
|
|||
|
|
|||
|
stringLocation = (LPBYTE)( SmbGetUlong( ¶meters->Buffer )
|
|||
|
+ SmbGetUshort( ¶meters->BufLen ) );
|
|||
|
|
|||
|
status = RapConvertSingleEntry(
|
|||
|
outBuffer,
|
|||
|
nativeStructureDesc,
|
|||
|
FALSE,
|
|||
|
(LPBYTE)SmbGetUlong( ¶meters->Buffer ),
|
|||
|
(LPBYTE)SmbGetUlong( ¶meters->Buffer ),
|
|||
|
StructureDesc,
|
|||
|
TRUE,
|
|||
|
&stringLocation,
|
|||
|
&bytesRequired,
|
|||
|
Response,
|
|||
|
NativeToRap
|
|||
|
);
|
|||
|
|
|||
|
|
|||
|
if ( status != NERR_Success ) {
|
|||
|
IF_DEBUG(ERRORS) {
|
|||
|
NetpKdPrint(( "NetMessageNameGetInfo: "
|
|||
|
"RapConvertSingleEntry failed: %X\n", status ));
|
|||
|
}
|
|||
|
|
|||
|
Header->Status = NERR_InternalError;
|
|||
|
goto cleanup;
|
|||
|
}
|
|||
|
|
|||
|
IF_DEBUG(MESSAGE) {
|
|||
|
NetpKdPrint(( "32-bit data at %lx, 16-bit data at %lx, %ld BR\n",
|
|||
|
outBuffer, SmbGetUlong( ¶meters->Buffer ),
|
|||
|
bytesRequired ));
|
|||
|
}
|
|||
|
|
|||
|
//
|
|||
|
// Determine return code based on the size of the buffer. msg_info_x
|
|||
|
// structures have no data to pack.
|
|||
|
//
|
|||
|
|
|||
|
if ( !XsCheckBufferSize(
|
|||
|
SmbGetUshort( ¶meters->BufLen ),
|
|||
|
StructureDesc,
|
|||
|
FALSE // not in native format
|
|||
|
)) {
|
|||
|
|
|||
|
IF_DEBUG(ERRORS) {
|
|||
|
NetpKdPrint(( "XsNetMessageNameGetInfo: Buffer too small.\n" ));
|
|||
|
}
|
|||
|
Header->Status = NERR_BufTooSmall;
|
|||
|
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
//
|
|||
|
// Set up the response parameters.
|
|||
|
//
|
|||
|
|
|||
|
SmbPutUshort( ¶meters->TotalAvail, (WORD)bytesRequired );
|
|||
|
|
|||
|
cleanup:
|
|||
|
|
|||
|
NetApiBufferFree( outBuffer );
|
|||
|
NetpMemoryFree( nativeMessageName );
|
|||
|
|
|||
|
//
|
|||
|
// Determine return buffer size.
|
|||
|
//
|
|||
|
|
|||
|
XsSetDataCount(
|
|||
|
¶meters->BufLen,
|
|||
|
StructureDesc,
|
|||
|
Header->Converter,
|
|||
|
1,
|
|||
|
Header->Status
|
|||
|
);
|
|||
|
|
|||
|
return STATUS_SUCCESS;
|
|||
|
|
|||
|
} // XsNetMessageNameGetInfo
|
|||
|
|