C++ Stream_Read_UINT32函数代码示例

RFX_MESSAGE* rfx_process_message(RFX_CONTEXT* context, BYTE* data, UINT32 length)
{
	int pos;
	UINT32 blockLen;
	UINT32 blockType;
	RFX_MESSAGE* message = NULL;
	wStream* s = NULL;
	BOOL ok = TRUE;
	UINT16 expectedDataBlockType = WBT_FRAME_BEGIN;

	if (!context || !data || !length)
		goto fail;

	if (!(s = Stream_New(data, length)))
		goto fail;

	if (!(message = (RFX_MESSAGE*) calloc(1, sizeof(RFX_MESSAGE))))
		goto fail;

	message->freeRects = TRUE;

	while (ok && Stream_GetRemainingLength(s) > 6)
	{
		/* RFX_BLOCKT */
		Stream_Read_UINT16(s, blockType); /* blockType (2 bytes) */
		Stream_Read_UINT32(s, blockLen); /* blockLen (4 bytes) */

		WLog_Print(context->priv->log, WLOG_DEBUG, "blockType 0x%X blockLen %d", blockType, blockLen);

		if (blockLen == 0)
		{
			WLog_ERR(TAG, "zero blockLen");
			goto fail;
		}

		if (Stream_GetRemainingLength(s) < blockLen - 6)
		{
			WLog_ERR(TAG, "%s: packet too small for blocklen=%d", __FUNCTION__, blockLen);
			goto fail;
		}

		pos = Stream_GetPosition(s) - 6 + blockLen;

		if (blockType > WBT_CONTEXT && context->decodedHeaderBlocks != _RFX_DECODED_HEADERS)
		{
			WLog_ERR(TAG, "%s: incomplete header blocks processing", __FUNCTION__);
			goto fail;
		}

		if (blockType >= WBT_CONTEXT && blockType <= WBT_EXTENSION)
		{
			/* RFX_CODEC_CHANNELT */
			UINT8 codecId;
			UINT8 channelId;

			if (Stream_GetRemainingLength(s) < 2)
				goto fail;

			Stream_Read_UINT8(s, codecId); /* codecId (1 byte) must be set to 0x01 */
			Stream_Read_UINT8(s, channelId); /* channelId (1 byte) 0xFF or 0x00, see below */

			if (codecId != 0x01)
			{
				WLog_ERR(TAG, "%s: invalid codecId 0x%02X", __FUNCTION__, codecId);
				goto fail;
			}

			if (blockType == WBT_CONTEXT)
			{
				/* If the blockType is set to WBT_CONTEXT, then channelId MUST be set to 0xFF.*/
				if (channelId != 0xFF)
				{
					WLog_ERR(TAG, "%s: invalid channelId 0x%02X for blockType 0x%04X", __FUNCTION__, channelId, blockType);
					goto fail;
				}
			}
			else
			{
				/* For all other values of blockType, channelId MUST be set to 0x00. */
				if (channelId != 0x00)
				{
					WLog_ERR(TAG, "%s: invalid channelId 0x%02X for blockType WBT_CONTEXT", __FUNCTION__, channelId);
					goto fail;
				}
			}
		}


		switch (blockType)
		{
			/* Header messages:
			 * The stream MUST start with the header messages and any of these headers can appear
			 * in the stream at a later stage. The header messages can be repeated.
			 */

			case WBT_SYNC:
				ok = rfx_process_message_sync(context, s);
				break;

			case WBT_CONTEXT:
//.........这里部分代码省略.........

BOOL tsmf_codec_parse_media_type(TS_AM_MEDIA_TYPE* mediatype, wStream* s)
{
    int i;
    UINT32 cbFormat;
    BOOL ret = TRUE;

    memset(mediatype, 0, sizeof(TS_AM_MEDIA_TYPE));

    /* MajorType */
    DEBUG_DVC("MajorType:");
    tsmf_print_guid(Stream_Pointer(s));
    for (i = 0; tsmf_major_type_map[i].type != TSMF_MAJOR_TYPE_UNKNOWN; i++)
    {
        if (memcmp(tsmf_major_type_map[i].guid, Stream_Pointer(s), 16) == 0)
            break;
    }
    mediatype->MajorType = tsmf_major_type_map[i].type;
    if (mediatype->MajorType == TSMF_MAJOR_TYPE_UNKNOWN)
        ret = FALSE;
    DEBUG_DVC("MajorType %s", tsmf_major_type_map[i].name);
    Stream_Seek(s, 16);

    /* SubType */
    DEBUG_DVC("SubType:");
    tsmf_print_guid(Stream_Pointer(s));
    for (i = 0; tsmf_sub_type_map[i].type != TSMF_SUB_TYPE_UNKNOWN; i++)
    {
        if (memcmp(tsmf_sub_type_map[i].guid, Stream_Pointer(s), 16) == 0)
            break;
    }
    mediatype->SubType = tsmf_sub_type_map[i].type;
    if (mediatype->SubType == TSMF_SUB_TYPE_UNKNOWN)
        ret = FALSE;
    DEBUG_DVC("SubType %s", tsmf_sub_type_map[i].name);
    Stream_Seek(s, 16);

    /* bFixedSizeSamples, bTemporalCompression, SampleSize */
    Stream_Seek(s, 12);

    /* FormatType */
    DEBUG_DVC("FormatType:");
    tsmf_print_guid(Stream_Pointer(s));
    for (i = 0; tsmf_format_type_map[i].type != TSMF_FORMAT_TYPE_UNKNOWN; i++)
    {
        if (memcmp(tsmf_format_type_map[i].guid, Stream_Pointer(s), 16) == 0)
            break;
    }
    mediatype->FormatType = tsmf_format_type_map[i].type;
    if (mediatype->FormatType == TSMF_FORMAT_TYPE_UNKNOWN)
        ret = FALSE;
    DEBUG_DVC("FormatType %s", tsmf_format_type_map[i].name);
    Stream_Seek(s, 16);

    /* cbFormat */
    Stream_Read_UINT32(s, cbFormat);
    DEBUG_DVC("cbFormat %d", cbFormat);

#ifdef WITH_DEBUG_DVC
    winpr_HexDump(Stream_Pointer(s), cbFormat);
#endif

    switch (mediatype->FormatType)
    {
    case TSMF_FORMAT_TYPE_MFVIDEOFORMAT:
        /* http://msdn.microsoft.com/en-us/library/aa473808.aspx */

        Stream_Seek(s, 8); /* dwSize and ? */
        Stream_Read_UINT32(s, mediatype->Width); /* videoInfo.dwWidth */
        Stream_Read_UINT32(s, mediatype->Height); /* videoInfo.dwHeight */
        Stream_Seek(s, 32);
        /* videoInfo.FramesPerSecond */
        Stream_Read_UINT32(s, mediatype->SamplesPerSecond.Numerator);
        Stream_Read_UINT32(s, mediatype->SamplesPerSecond.Denominator);
        Stream_Seek(s, 80);
        Stream_Read_UINT32(s, mediatype->BitRate); /* compressedInfo.AvgBitrate */
        Stream_Seek(s, 36);

        if (cbFormat > 176)
        {
            mediatype->ExtraDataSize = cbFormat - 176;
            mediatype->ExtraData = Stream_Pointer(s);
        }
        break;

    case TSMF_FORMAT_TYPE_WAVEFORMATEX:
        /* http://msdn.microsoft.com/en-us/library/dd757720.aspx */

        Stream_Seek_UINT16(s);
        Stream_Read_UINT16(s, mediatype->Channels);
        Stream_Read_UINT32(s, mediatype->SamplesPerSecond.Numerator);
        mediatype->SamplesPerSecond.Denominator = 1;
        Stream_Read_UINT32(s, mediatype->BitRate);
        mediatype->BitRate *= 8;
        Stream_Read_UINT16(s, mediatype->BlockAlign);
        Stream_Read_UINT16(s, mediatype->BitsPerSample);
        Stream_Read_UINT16(s, mediatype->ExtraDataSize);
        if (mediatype->ExtraDataSize > 0)
            mediatype->ExtraData = Stream_Pointer(s);

        break;
//.........这里部分代码省略.........

int remdesk_recv_ctl_pdu(remdeskPlugin* remdesk, wStream* s, REMDESK_CHANNEL_HEADER* header)
{
	int status = 1;
	UINT32 msgType = 0;
	UINT32 result = 0;

	if (Stream_GetRemainingLength(s) < 4)
		return -1;

	Stream_Read_UINT32(s, msgType); /* msgType (4 bytes) */

	//printf("msgType: %d\n", msgType);

	switch (msgType)
	{
		case REMDESK_CTL_REMOTE_CONTROL_DESKTOP:
			break;

		case REMDESK_CTL_RESULT:
			status = remdesk_recv_result_pdu(remdesk, s, header, &result);
			break;

		case REMDESK_CTL_AUTHENTICATE:
			break;

		case REMDESK_CTL_SERVER_ANNOUNCE:
			status = remdesk_recv_ctl_server_announce_pdu(remdesk, s, header);
			break;

		case REMDESK_CTL_DISCONNECT:
			break;

		case REMDESK_CTL_VERSIONINFO:
			status = remdesk_recv_ctl_version_info_pdu(remdesk, s, header);

			if (remdesk->Version == 1)
			{
				if (status >= 0)
					status = remdesk_send_ctl_version_info_pdu(remdesk);

				if (status >= 0)
					status = remdesk_send_ctl_authenticate_pdu(remdesk);

				if (status >= 0)
					status = remdesk_send_ctl_remote_control_desktop_pdu(remdesk);
			}
			else if (remdesk->Version == 2)
			{
				if (status >= 0)
					status = remdesk_send_ctl_expert_on_vista_pdu(remdesk);

				if (status >= 0)
					status = remdesk_send_ctl_verify_password_pdu(remdesk);
			}

			break;

		case REMDESK_CTL_ISCONNECTED:
			break;

		case REMDESK_CTL_VERIFY_PASSWORD:
			break;

		case REMDESK_CTL_EXPERT_ON_VISTA:
			break;

		case REMDESK_CTL_RANOVICE_NAME:
			break;

		case REMDESK_CTL_RAEXPERT_NAME:
			break;

		case REMDESK_CTL_TOKEN:
			break;

		default:
			fprintf(stderr, "remdesk_recv_control_pdu: unknown msgType: %d\n", msgType);
			status = -1;
			break;
	}

	return status;
}

static BOOL rdpsnd_server_recv_formats(RdpsndServerContext* context, wStream* s)
{
	int i, num_known_format = 0;
	UINT32 flags, vol, pitch;
	UINT16 udpPort, version;
	BYTE lastblock;

	if (Stream_GetRemainingLength(s) < 20)
		return FALSE;

	Stream_Read_UINT32(s, flags); /* dwFlags */
	Stream_Read_UINT32(s, vol); /* dwVolume */
	Stream_Read_UINT32(s, pitch); /* dwPitch */
	Stream_Read_UINT16(s, udpPort); /* wDGramPort */
	Stream_Read_UINT16(s, context->num_client_formats); /* wNumberOfFormats */
	Stream_Read_UINT8(s, lastblock); /* cLastBlockConfirmed */
	Stream_Read_UINT16(s, version); /* wVersion */
	Stream_Seek_UINT8(s); /* bPad */

	/* this check is only a guess as cbSize can influence the size of a format record */
	if (Stream_GetRemainingLength(s) < context->num_client_formats * 18)
		return FALSE;

	if (!context->num_client_formats)
	{
		fprintf(stderr, "%s: client doesn't support any format!\n", __FUNCTION__);
		return FALSE;
	}

	context->client_formats = (AUDIO_FORMAT *)calloc(context->num_client_formats, sizeof(AUDIO_FORMAT));
	if (!context->client_formats)
		return FALSE;

	for (i = 0; i < context->num_client_formats; i++)
	{
		if (Stream_GetRemainingLength(s) < 18)
			goto out_free;

		Stream_Read_UINT16(s, context->client_formats[i].wFormatTag);
		Stream_Read_UINT16(s, context->client_formats[i].nChannels);
		Stream_Read_UINT32(s, context->client_formats[i].nSamplesPerSec);
		Stream_Read_UINT32(s, context->client_formats[i].nAvgBytesPerSec);
		Stream_Read_UINT16(s, context->client_formats[i].nBlockAlign);
		Stream_Read_UINT16(s, context->client_formats[i].wBitsPerSample);
		Stream_Read_UINT16(s, context->client_formats[i].cbSize);

		if (context->client_formats[i].cbSize > 0)
		{
			if (!Stream_SafeSeek(s, context->client_formats[i].cbSize))
				goto out_free;
		}

		if (context->client_formats[i].wFormatTag != 0)
		{
			//lets call this a known format
			//TODO: actually look through our own list of known formats
			num_known_format++;
		}
	}

	if (!context->num_client_formats)
	{
		fprintf(stderr, "%s: client doesn't support any known format!\n", __FUNCTION__);
		goto out_free;
	}

	return TRUE;

out_free:
	free(context->client_formats);
	return FALSE;
}

BOOL gcc_read_client_core_data(wStream* s, rdpMcs* mcs, UINT16 blockLength)
{
	char* str = NULL;
	UINT32 version;
	UINT32 color_depth;
	UINT16 colorDepth = 0;
	UINT16 postBeta2ColorDepth = 0;
	UINT16 highColorDepth = 0;
	UINT16 supportedColorDepths = 0;
	UINT32 serverSelectedProtocol = 0;
	UINT32 desktopPhysicalWidth = 0;
	UINT32 desktopPhysicalHeight = 0;
	UINT16 desktopOrientation = 0;
	UINT32 desktopScaleFactor = 0;
	UINT32 deviceScaleFactor = 0;
	rdpSettings* settings = mcs->settings;

	/* Length of all required fields, until imeFileName */
	if (blockLength < 128)
		return FALSE;

	Stream_Read_UINT32(s, version); /* version (4 bytes) */
	settings->RdpVersion = (version == RDP_VERSION_4 ? 4 : 7);

	Stream_Read_UINT16(s, settings->DesktopWidth); /* DesktopWidth (2 bytes) */
	Stream_Read_UINT16(s, settings->DesktopHeight); /* DesktopHeight (2 bytes) */
	Stream_Read_UINT16(s, colorDepth); /* ColorDepth (2 bytes) */
	Stream_Seek_UINT16(s); /* SASSequence (Secure Access Sequence) (2 bytes) */
	Stream_Read_UINT32(s, settings->KeyboardLayout); /* KeyboardLayout (4 bytes) */
	Stream_Read_UINT32(s, settings->ClientBuild); /* ClientBuild (4 bytes) */

	/* clientName (32 bytes, null-terminated unicode, truncated to 15 characters) */
	ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(s), 32 / 2, &str, 0, NULL, NULL);
	Stream_Seek(s, 32);
	sprintf_s(settings->ClientHostname, 31, "%s", str);
	settings->ClientHostname[31] = 0;
	free(str);
	str = NULL;

	Stream_Read_UINT32(s, settings->KeyboardType); /* KeyboardType (4 bytes) */
	Stream_Read_UINT32(s, settings->KeyboardSubType); /* KeyboardSubType (4 bytes) */
	Stream_Read_UINT32(s, settings->KeyboardFunctionKey); /* KeyboardFunctionKey (4 bytes) */

	Stream_Seek(s, 64); /* imeFileName (64 bytes) */

	blockLength -= 128;

	/**
	 * The following fields are all optional. If one field is present, all of the preceding
	 * fields MUST also be present. If one field is not present, all of the subsequent fields
	 * MUST NOT be present.
	 * We must check the bytes left before reading each field.
	 */

	do
	{
		if (blockLength < 2)
			break;
		Stream_Read_UINT16(s, postBeta2ColorDepth); /* postBeta2ColorDepth (2 bytes) */
		blockLength -= 2;

		if (blockLength < 2)
			break;
		Stream_Seek_UINT16(s); /* clientProductID (2 bytes) */
		blockLength -= 2;

		if (blockLength < 4)
			break;
		Stream_Seek_UINT32(s); /* serialNumber (4 bytes) */
		blockLength -= 4;

		if (blockLength < 2)
			break;
		Stream_Read_UINT16(s, highColorDepth); /* highColorDepth (2 bytes) */
		blockLength -= 2;

		if (blockLength < 2)
			break;
		Stream_Read_UINT16(s, supportedColorDepths); /* supportedColorDepths (2 bytes) */
		blockLength -= 2;

		if (blockLength < 2)
			break;
		Stream_Read_UINT16(s, settings->EarlyCapabilityFlags); /* earlyCapabilityFlags (2 bytes) */
		blockLength -= 2;

		if (blockLength < 64)
			break;

		ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(s), 64 / 2, &str, 0, NULL, NULL);
		Stream_Seek(s, 64); /* clientDigProductId (64 bytes) */
		sprintf_s(settings->ClientProductId, 32, "%s", str);
		free(str);
		blockLength -= 64;

		if (blockLength < 1)
			break;
		Stream_Read_UINT8(s, settings->PerformanceFlags); /* connectionType (1 byte) */
		blockLength -= 1;

//.........这里部分代码省略.........

/**
 * Function description
 *
 * @return 0 on success, otherwise a Win32 error code
 */
static UINT audin_server_recv_formats(audin_server* audin, wStream* s,
                                      UINT32 length)
{
	int i;
	UINT success = CHANNEL_RC_OK;

	if (length < 8)
	{
		WLog_ERR(TAG, "error parsing rec formats: expected at least 8 bytes, got %"PRIu32"",
		         length);
		return ERROR_INVALID_DATA;
	}

	Stream_Read_UINT32(s,
	                   audin->context.num_client_formats); /* NumFormats (4 bytes) */
	Stream_Seek_UINT32(s); /* cbSizeFormatsPacket (4 bytes) */
	length -= 8;

	if (audin->context.num_client_formats <= 0)
	{
		WLog_ERR(TAG, "num_client_formats expected > 0 but got %d",
		         audin->context.num_client_formats);
		return ERROR_INVALID_DATA;
	}

	audin->context.client_formats = calloc(audin->context.num_client_formats,
	                                       sizeof(AUDIO_FORMAT));

	if (!audin->context.client_formats)
		return ERROR_NOT_ENOUGH_MEMORY;

	for (i = 0; i < audin->context.num_client_formats; i++)
	{
		if (length < 18)
		{
			free(audin->context.client_formats);
			audin->context.client_formats = NULL;
			WLog_ERR(TAG, "expected length at least 18, but got %"PRIu32"", length);
			return ERROR_INVALID_DATA;
		}

		Stream_Read_UINT16(s, audin->context.client_formats[i].wFormatTag);
		Stream_Read_UINT16(s, audin->context.client_formats[i].nChannels);
		Stream_Read_UINT32(s, audin->context.client_formats[i].nSamplesPerSec);
		Stream_Seek_UINT32(s); /* nAvgBytesPerSec */
		Stream_Read_UINT16(s, audin->context.client_formats[i].nBlockAlign);
		Stream_Read_UINT16(s, audin->context.client_formats[i].wBitsPerSample);
		Stream_Read_UINT16(s, audin->context.client_formats[i].cbSize);

		if (audin->context.client_formats[i].cbSize > 0)
		{
			Stream_Seek(s, audin->context.client_formats[i].cbSize);
		}
	}

	IFCALLRET(audin->context.Opening, success, &audin->context);

	if (success)
		WLog_ERR(TAG, "context.Opening failed with error %"PRIu32"", success);

	return success;
}

BOOL rdp_server_establish_keys(rdpRdp* rdp, wStream* s)
{
    BYTE* client_random = NULL;
    BYTE* crypt_client_random = NULL;
    UINT32 rand_len, key_len;
    UINT16 channel_id, length, sec_flags;
    BYTE* mod;
    BYTE* priv_exp;
    BOOL ret = FALSE;

    if (!rdp->settings->UseRdpSecurityLayer)
    {
        /* No RDP Security. */
        return TRUE;
    }

    if (!rdp_read_header(rdp, s, &length, &channel_id))
    {
        WLog_ERR(TAG, "invalid RDP header");
        return FALSE;
    }

    if (!rdp_read_security_header(s, &sec_flags))
    {
        WLog_ERR(TAG, "invalid security header");
        return FALSE;
    }

    if ((sec_flags & SEC_EXCHANGE_PKT) == 0)
    {
        WLog_ERR(TAG, "missing SEC_EXCHANGE_PKT in security header");
        return FALSE;
    }

    rdp->do_crypt_license = (sec_flags & SEC_LICENSE_ENCRYPT_SC) != 0 ? TRUE : FALSE;

    if (Stream_GetRemainingLength(s) < 4)
        return FALSE;

    Stream_Read_UINT32(s, rand_len);

    /* rand_len already includes 8 bytes of padding */
    if (Stream_GetRemainingLength(s) < rand_len)
        return FALSE;

    key_len = rdp->settings->RdpServerRsaKey->ModulusLength;
    client_random = malloc(key_len);
    if (!client_random)
        return FALSE;

    if (rand_len != key_len + 8)
    {
        WLog_ERR(TAG, "invalid encrypted client random length");
        goto end2;
    }

    crypt_client_random = calloc(1, rand_len);
    if (!crypt_client_random)
        goto end2;
    Stream_Read(s, crypt_client_random, rand_len);

    mod = rdp->settings->RdpServerRsaKey->Modulus;
    priv_exp = rdp->settings->RdpServerRsaKey->PrivateExponent;
    crypto_rsa_private_decrypt(crypt_client_random, rand_len - 8, key_len, mod, priv_exp, client_random);

    /* now calculate encrypt / decrypt and update keys */
    if (!security_establish_keys(client_random, rdp))
    {
        goto end;
    }

    rdp->do_crypt = TRUE;

    if (rdp->settings->EncryptionMethods == ENCRYPTION_METHOD_FIPS)
    {
        rdp->fips_encrypt = crypto_des3_encrypt_init(rdp->fips_encrypt_key, fips_ivec);
        if (!rdp->fips_encrypt)
        {
            WLog_ERR(TAG, "unable to allocate des3 encrypt key");
            goto end;
        }

        rdp->fips_decrypt = crypto_des3_decrypt_init(rdp->fips_decrypt_key, fips_ivec);
        if (!rdp->fips_decrypt)
        {
            WLog_ERR(TAG, "unable to allocate des3 decrypt key");
            goto end;
        }

        rdp->fips_hmac = crypto_hmac_new();
        if (!rdp->fips_hmac)
        {
            WLog_ERR(TAG, "unable to allocate fips hmac");
            goto end;
        }
        ret = TRUE;
        goto end;
    }

    rdp->rc4_decrypt_key = crypto_rc4_init(rdp->decrypt_key, rdp->rc4_key_len);
//.........这里部分代码省略.........

static void drive_process_irp_create(DRIVE_DEVICE* drive, IRP* irp)
{
	int status;
	void* key;
	UINT32 FileId;
	DRIVE_FILE* file;
	BYTE Information;
	UINT32 DesiredAccess;
	UINT32 CreateDisposition;
	UINT32 CreateOptions;
	UINT32 PathLength;
	char* path = NULL;

	Stream_Read_UINT32(irp->input, DesiredAccess);
	Stream_Seek(irp->input, 16); /* AllocationSize(8), FileAttributes(4), SharedAccess(4) */
	Stream_Read_UINT32(irp->input, CreateDisposition);
	Stream_Read_UINT32(irp->input, CreateOptions);
	Stream_Read_UINT32(irp->input, PathLength);

	status = ConvertFromUnicode(CP_UTF8, 0, (WCHAR*) Stream_Pointer(irp->input),
			PathLength / 2, &path, 0, NULL, NULL);

	if (status < 1)
		path = (char*) calloc(1, 1);

	FileId = irp->devman->id_sequence++;

	file = drive_file_new(drive->path, path, FileId,
		DesiredAccess, CreateDisposition, CreateOptions);

	if (!file)
	{
		irp->IoStatus = STATUS_UNSUCCESSFUL;
		FileId = 0;
		Information = 0;
	}
	else if (file->err)
	{
		FileId = 0;
		Information = 0;

		/* map errno to windows result */
		irp->IoStatus = drive_map_posix_err(file->err);
		drive_file_free(file);
	}
	else
	{
		key = (void*) (size_t) file->id;
		ListDictionary_Add(drive->files, key, file);

		switch (CreateDisposition)
		{
			case FILE_SUPERSEDE:
			case FILE_OPEN:
			case FILE_CREATE:
			case FILE_OVERWRITE:
				Information = FILE_SUPERSEDED;
				break;
			case FILE_OPEN_IF:
				Information = FILE_OPENED;
				break;
			case FILE_OVERWRITE_IF:
				Information = FILE_OVERWRITTEN;
				break;
			default:
				Information = 0;
				break;
		}
	}

	Stream_Write_UINT32(irp->output, FileId);
	Stream_Write_UINT8(irp->output, Information);

	free(path);

	irp->Complete(irp);
}

static void drive_process_irp_query_volume_information(DRIVE_DEVICE* drive, IRP* irp)
{
	UINT32 FsInformationClass;
	wStream* output = irp->output;
	struct STATVFS svfst;
	struct STAT st;
	char* volumeLabel = {"FREERDP"};
	char* diskType = {"FAT32"};
	WCHAR* outStr = NULL;
	int length;

	Stream_Read_UINT32(irp->input, FsInformationClass);

	STATVFS(drive->path, &svfst);
	STAT(drive->path, &st);

	switch (FsInformationClass)
	{
		case FileFsVolumeInformation:
			/* http://msdn.microsoft.com/en-us/library/cc232108.aspx */
			length = ConvertToUnicode(sys_code_page, 0, volumeLabel, -1, &outStr, 0) * 2;
			Stream_Write_UINT32(output, 17 + length); /* Length */
			Stream_EnsureRemainingCapacity(output, 17 + length);
			Stream_Write_UINT64(output, FILE_TIME_SYSTEM_TO_RDP(st.st_ctime)); /* VolumeCreationTime */
#ifdef ANDROID
			Stream_Write_UINT32(output, svfst.f_fsid.__val[0]); /* VolumeSerialNumber */
#else
			Stream_Write_UINT32(output, svfst.f_fsid); /* VolumeSerialNumber */
#endif
			Stream_Write_UINT32(output, length); /* VolumeLabelLength */
			Stream_Write_UINT8(output, 0); /* SupportsObjects */
			/* Reserved(1), MUST NOT be added! */
			Stream_Write(output, outStr, length); /* VolumeLabel (Unicode) */
			free(outStr);
			break;

		case FileFsSizeInformation:
			/* http://msdn.microsoft.com/en-us/library/cc232107.aspx */
			Stream_Write_UINT32(output, 24); /* Length */
			Stream_EnsureRemainingCapacity(output, 24);
			Stream_Write_UINT64(output, svfst.f_blocks); /* TotalAllocationUnits */
			Stream_Write_UINT64(output, svfst.f_bavail); /* AvailableAllocationUnits */
			Stream_Write_UINT32(output, 1); /* SectorsPerAllocationUnit */
			Stream_Write_UINT32(output, svfst.f_bsize); /* BytesPerSector */
			break;

		case FileFsAttributeInformation:
			/* http://msdn.microsoft.com/en-us/library/cc232101.aspx */
			length = ConvertToUnicode(sys_code_page, 0, diskType, -1, &outStr, 0) * 2;
			Stream_Write_UINT32(output, 12 + length); /* Length */
			Stream_EnsureRemainingCapacity(output, 12 + length);
			Stream_Write_UINT32(output,
				FILE_CASE_SENSITIVE_SEARCH |
				FILE_CASE_PRESERVED_NAMES |
				FILE_UNICODE_ON_DISK); /* FileSystemAttributes */
#ifdef ANDROID
			Stream_Write_UINT32(output, 255); /* MaximumComponentNameLength */
#else
			Stream_Write_UINT32(output, svfst.f_namemax/*510*/); /* MaximumComponentNameLength */
#endif
			Stream_Write_UINT32(output, length); /* FileSystemNameLength */
			Stream_Write(output, outStr, length); /* FileSystemName (Unicode) */
			free(outStr);
			break;

		case FileFsFullSizeInformation:
			/* http://msdn.microsoft.com/en-us/library/cc232104.aspx */
			Stream_Write_UINT32(output, 32); /* Length */
			Stream_EnsureRemainingCapacity(output, 32);
			Stream_Write_UINT64(output, svfst.f_blocks); /* TotalAllocationUnits */
			Stream_Write_UINT64(output, svfst.f_bavail); /* CallerAvailableAllocationUnits */
			Stream_Write_UINT64(output, svfst.f_bfree); /* AvailableAllocationUnits */
			Stream_Write_UINT32(output, 1); /* SectorsPerAllocationUnit */
			Stream_Write_UINT32(output, svfst.f_bsize); /* BytesPerSector */
			break;

		case FileFsDeviceInformation:
			/* http://msdn.microsoft.com/en-us/library/cc232109.aspx */
			Stream_Write_UINT32(output, 8); /* Length */
			Stream_EnsureRemainingCapacity(output, 8);
			Stream_Write_UINT32(output, FILE_DEVICE_DISK); /* DeviceType */
			Stream_Write_UINT32(output, 0); /* Characteristics */
			break;

		default:
			irp->IoStatus = STATUS_UNSUCCESSFUL;
			Stream_Write_UINT32(output, 0); /* Length */
			break;
	}

	irp->Complete(irp);
}

/**
 * Function description
 *
 * @return 0 on success, otherwise a Win32 error code
 */
static UINT remdesk_recv_ctl_pdu(remdeskPlugin* remdesk, wStream* s, REMDESK_CHANNEL_HEADER* header)
{
	UINT error = CHANNEL_RC_OK;
	UINT32 msgType = 0;
	UINT32 result = 0;

	if (Stream_GetRemainingLength(s) < 4)
	{
		WLog_ERR(TAG, "Not enought data!");
		return ERROR_INVALID_DATA;
	}

	Stream_Read_UINT32(s, msgType); /* msgType (4 bytes) */

	//WLog_DBG(TAG, "msgType: %d", msgType);

	switch (msgType)
	{
		case REMDESK_CTL_REMOTE_CONTROL_DESKTOP:
			break;

		case REMDESK_CTL_RESULT:
			if ((error = remdesk_recv_ctl_result_pdu(remdesk, s, header, &result)))
				WLog_ERR(TAG, "remdesk_recv_ctl_result_pdu failed with error %lu", error);
			break;

		case REMDESK_CTL_AUTHENTICATE:
			break;

		case REMDESK_CTL_SERVER_ANNOUNCE:
			if ((error = remdesk_recv_ctl_server_announce_pdu(remdesk, s, header)))
				WLog_ERR(TAG, "remdesk_recv_ctl_server_announce_pdu failed with error %lu", error);
			break;

		case REMDESK_CTL_DISCONNECT:
			break;

		case REMDESK_CTL_VERSIONINFO:
			if ((error = remdesk_recv_ctl_version_info_pdu(remdesk, s, header)))
			{
				WLog_ERR(TAG, "remdesk_recv_ctl_version_info_pdu failed with error %lu", error);
				break;
			}

			if (remdesk->Version == 1)
			{
				if ((error = remdesk_send_ctl_version_info_pdu(remdesk)))
				{
					WLog_ERR(TAG, "remdesk_send_ctl_version_info_pdu failed with error %lu", error);
					break;
				}

				if ((error = remdesk_send_ctl_authenticate_pdu(remdesk)))
				{
					WLog_ERR(TAG, "remdesk_send_ctl_authenticate_pdu failed with error %lu", error);
					break;
				}

				if ((error = remdesk_send_ctl_remote_control_desktop_pdu(remdesk)))
				{
					WLog_ERR(TAG, "remdesk_send_ctl_remote_control_desktop_pdu failed with error %lu", error);
					break;
				}
			}
			else if (remdesk->Version == 2)
			{
				if ((error = remdesk_send_ctl_expert_on_vista_pdu(remdesk)))
				{
					WLog_ERR(TAG, "remdesk_send_ctl_expert_on_vista_pdu failed with error %lu", error);
					break;
				}

				if ((error = remdesk_send_ctl_verify_password_pdu(remdesk)))
				{
					WLog_ERR(TAG, "remdesk_send_ctl_verify_password_pdu failed with error %lu", error);
					break;
				}
			}

			break;

		case REMDESK_CTL_ISCONNECTED:
			break;

		case REMDESK_CTL_VERIFY_PASSWORD:
			break;

		case REMDESK_CTL_EXPERT_ON_VISTA:
			break;

		case REMDESK_CTL_RANOVICE_NAME:
			break;

		case REMDESK_CTL_RAEXPERT_NAME:
			break;
//.........这里部分代码省略.........

UINT32 serial_tty_control(SERIAL_TTY* tty, UINT32 IoControlCode, wStream* input, wStream* output, UINT32* abort_io)
{
	int purge_mask;
	UINT32 result;
	UINT32 modemstate;
	BYTE immediate;
	UINT32 ret = STATUS_SUCCESS;
	UINT32 length = 0;
	UINT32 pos;

	DEBUG_SVC("in");

	Stream_Seek(output, sizeof(UINT32));

	switch (IoControlCode)
	{
		case IOCTL_SERIAL_SET_BAUD_RATE:
			Stream_Read_UINT32(input, tty->baud_rate);
			tty_set_termios(tty);
			DEBUG_SVC("SERIAL_SET_BAUD_RATE %d", tty->baud_rate);
			break;

		case IOCTL_SERIAL_GET_BAUD_RATE:
			length = 4;
			Stream_Write_UINT32(output, tty->baud_rate);
			DEBUG_SVC("SERIAL_GET_BAUD_RATE %d", tty->baud_rate);
			break;

		case IOCTL_SERIAL_SET_QUEUE_SIZE:
			Stream_Read_UINT32(input, tty->queue_in_size);
			Stream_Read_UINT32(input, tty->queue_out_size);
			DEBUG_SVC("SERIAL_SET_QUEUE_SIZE in %d out %d", tty->queue_in_size, tty->queue_out_size);
			break;

		case IOCTL_SERIAL_SET_LINE_CONTROL:
			Stream_Read_UINT8(input, tty->stop_bits);
			Stream_Read_UINT8(input, tty->parity);
			Stream_Read_UINT8(input, tty->word_length);
			tty_set_termios(tty);
			DEBUG_SVC("SERIAL_SET_LINE_CONTROL stop %d parity %d word %d",
				tty->stop_bits, tty->parity, tty->word_length);
			break;

		case IOCTL_SERIAL_GET_LINE_CONTROL:
			DEBUG_SVC("SERIAL_GET_LINE_CONTROL");
			length = 3;
			Stream_Write_UINT8(output, tty->stop_bits);
			Stream_Write_UINT8(output, tty->parity);
			Stream_Write_UINT8(output, tty->word_length);
			break;

		case IOCTL_SERIAL_IMMEDIATE_CHAR:
			DEBUG_SVC("SERIAL_IMMEDIATE_CHAR");
			Stream_Read_UINT8(input, immediate);
			tty_write_data(tty, &immediate, 1);
			break;

		case IOCTL_SERIAL_CONFIG_SIZE:
			DEBUG_SVC("SERIAL_CONFIG_SIZE");
			length = 4;
			Stream_Write_UINT32(output, 0);
			break;

		case IOCTL_SERIAL_GET_CHARS:
			DEBUG_SVC("SERIAL_GET_CHARS");
			length = 6;
			Stream_Write(output, tty->chars, 6);
			break;

		case IOCTL_SERIAL_SET_CHARS:
			DEBUG_SVC("SERIAL_SET_CHARS");
			Stream_Read(input, tty->chars, 6);
			tty_set_termios(tty);
			break;

		case IOCTL_SERIAL_GET_HANDFLOW:
			length = 16;
			tty_get_termios(tty);
			Stream_Write_UINT32(output, tty->control);
			Stream_Write_UINT32(output, tty->xonoff);
			Stream_Write_UINT32(output, tty->onlimit);
			Stream_Write_UINT32(output, tty->offlimit);
			DEBUG_SVC("IOCTL_SERIAL_GET_HANDFLOW %X %X %X %X",
				tty->control, tty->xonoff, tty->onlimit, tty->offlimit);
			break;

		case IOCTL_SERIAL_SET_HANDFLOW:
			Stream_Read_UINT32(input, tty->control);
			Stream_Read_UINT32(input, tty->xonoff);
			Stream_Read_UINT32(input, tty->onlimit);
			Stream_Read_UINT32(input, tty->offlimit);
			DEBUG_SVC("IOCTL_SERIAL_SET_HANDFLOW %X %X %X %X",
				tty->control, tty->xonoff, tty->onlimit, tty->offlimit);
			tty_set_termios(tty);
			break;

		case IOCTL_SERIAL_SET_TIMEOUTS:
			Stream_Read_UINT32(input, tty->read_interval_timeout);
			Stream_Read_UINT32(input, tty->read_total_timeout_multiplier);
			Stream_Read_UINT32(input, tty->read_total_timeout_constant);
//.........这里部分代码省略.........

/**
 * Function description
 *
 * @return 0 on success, otherwise a Win32 error code
 */
static UINT cliprdr_server_receive_format_list(CliprdrServerContext* context, wStream* s, CLIPRDR_HEADER* header)
{
	UINT32 index;
	UINT32 dataLen;
	UINT32 position;
	BOOL asciiNames;
	int formatNameLength;
	char* szFormatName;
	WCHAR* wszFormatName;
	CLIPRDR_FORMAT* formats = NULL;
	CLIPRDR_FORMAT_LIST formatList;
	CliprdrServerPrivate* cliprdr = (CliprdrServerPrivate*) context->handle;
	UINT error = CHANNEL_RC_OK;

	dataLen = header->dataLen;
	asciiNames = (header->msgFlags & CB_ASCII_NAMES) ? TRUE : FALSE;

	formatList.msgType = CB_FORMAT_LIST;
	formatList.msgFlags = header->msgFlags;
	formatList.dataLen = header->dataLen;

	index = 0;
	formatList.numFormats = 0;
	position = Stream_GetPosition(s);

	if (!header->dataLen)
	{
		/* empty format list */
		formatList.formats = NULL;
		formatList.numFormats = 0;
	}
	else if (!cliprdr->useLongFormatNames)
	{
		formatList.numFormats = (dataLen / 36);

		if ((formatList.numFormats * 36) != dataLen)
		{
			WLog_ERR(TAG, "Invalid short format list length: %d", dataLen);
			return ERROR_INVALID_PARAMETER;
		}

		if (formatList.numFormats)
			formats = (CLIPRDR_FORMAT*) calloc(formatList.numFormats, sizeof(CLIPRDR_FORMAT));

		if (!formats)
		{
			WLog_ERR(TAG, "calloc failed!");
			return CHANNEL_RC_NO_MEMORY;
		}

		formatList.formats = formats;

		while (dataLen)
		{
			Stream_Read_UINT32(s, formats[index].formatId); /* formatId (4 bytes) */
			dataLen -= 4;

			formats[index].formatName = NULL;

			if (asciiNames)
			{
				szFormatName = (char*) Stream_Pointer(s);

				if (szFormatName[0])
				{
					formats[index].formatName = (char*) malloc(32 + 1);
					CopyMemory(formats[index].formatName, szFormatName, 32);
					formats[index].formatName[32] = '\0';
				}
			}
			else
			{
				wszFormatName = (WCHAR*) Stream_Pointer(s);

				if (wszFormatName[0])
				{
					ConvertFromUnicode(CP_UTF8, 0, wszFormatName,
						16, &(formats[index].formatName), 0, NULL, NULL);
				}
			}

			Stream_Seek(s, 32);
			dataLen -= 32;
			index++;
		}
	}
	else
	{
		while (dataLen)
		{
			Stream_Seek(s, 4); /* formatId (4 bytes) */
			dataLen -= 4;

			wszFormatName = (WCHAR*) Stream_Pointer(s);

//.........这里部分代码省略.........

/**
 * Function description
 *
 * @return 0 on success, otherwise a Win32 error code
 */
UINT cliprdr_server_read(CliprdrServerContext* context)
{
	wStream* s;
	int position;
	DWORD BytesToRead;
	DWORD BytesReturned;
	CLIPRDR_HEADER header;
	CliprdrServerPrivate* cliprdr = (CliprdrServerPrivate*) context->handle;
	UINT error;
    DWORD status;

	s = cliprdr->s;

	if (Stream_GetPosition(s) < CLIPRDR_HEADER_LENGTH)
	{
		BytesReturned = 0;
		BytesToRead = CLIPRDR_HEADER_LENGTH - Stream_GetPosition(s);

        status = WaitForSingleObject(cliprdr->ChannelEvent, 0);

		if (status == WAIT_FAILED)
        {
            error = GetLastError();
            WLog_ERR(TAG, "WaitForSingleObject failed with error %lu", error);
            return error;
        }

        if (status == WAIT_TIMEOUT)
            return CHANNEL_RC_OK;

		if (!WTSVirtualChannelRead(cliprdr->ChannelHandle, 0,
			(PCHAR) Stream_Pointer(s), BytesToRead, &BytesReturned))
		{
			WLog_ERR(TAG, "WTSVirtualChannelRead failed!");
			return ERROR_INTERNAL_ERROR;
		}

		Stream_Seek(s, BytesReturned);
	}

	if (Stream_GetPosition(s) >= CLIPRDR_HEADER_LENGTH)
	{
		position = Stream_GetPosition(s);
		Stream_SetPosition(s, 0);

		Stream_Read_UINT16(s, header.msgType); /* msgType (2 bytes) */
		Stream_Read_UINT16(s, header.msgFlags); /* msgFlags (2 bytes) */
		Stream_Read_UINT32(s, header.dataLen); /* dataLen (4 bytes) */

		if (!Stream_EnsureCapacity(s, (header.dataLen + CLIPRDR_HEADER_LENGTH)))
		{
			WLog_ERR(TAG, "Stream_EnsureCapacity failed!");
			return CHANNEL_RC_NO_MEMORY;
		}

		Stream_SetPosition(s, position);

		if (Stream_GetPosition(s) < (header.dataLen + CLIPRDR_HEADER_LENGTH))
		{
			BytesReturned = 0;
			BytesToRead = (header.dataLen + CLIPRDR_HEADER_LENGTH) - Stream_GetPosition(s);

            status = WaitForSingleObject(cliprdr->ChannelEvent, 0);

            if (status == WAIT_FAILED)
            {
                error = GetLastError();
                WLog_ERR(TAG, "WaitForSingleObject failed with error %lu", error);
                return error;
            }

            if (status == WAIT_TIMEOUT)
                return CHANNEL_RC_OK;

			if (!WTSVirtualChannelRead(cliprdr->ChannelHandle, 0,
				(PCHAR) Stream_Pointer(s), BytesToRead, &BytesReturned))
			{
				WLog_ERR(TAG, "WTSVirtualChannelRead failed!");
				return ERROR_INTERNAL_ERROR;
			}

			Stream_Seek(s, BytesReturned);
		}

		if (Stream_GetPosition(s) >= (header.dataLen + CLIPRDR_HEADER_LENGTH))
		{
			Stream_SetPosition(s, (header.dataLen + CLIPRDR_HEADER_LENGTH));
			Stream_SealLength(s);
			Stream_SetPosition(s, CLIPRDR_HEADER_LENGTH);

			if ((error = cliprdr_server_receive_pdu(context, s, &header)))
			{
				WLog_ERR(TAG, "cliprdr_server_receive_pdu failed with error code %lu!", error);
				return error;
			}
//.........这里部分代码省略.........

void guac_rdpsnd_formats_handler(guac_rdpsndPlugin* rdpsnd,
        wStream* input_stream, guac_rdpsnd_pdu_header* header) {

    int server_format_count;
    int server_version;
    int i;

    wStream* output_stream;
    int output_body_size;
    unsigned char* output_stream_end;

    /* Get associated client data */
    guac_client* client = rdpsnd->client;
    guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;

    /* Get audio stream from client data */
    guac_audio_stream* audio = rdp_client->audio;

    /* Format header */
    Stream_Seek(input_stream, 14);
    Stream_Read_UINT16(input_stream, server_format_count);
    Stream_Seek_UINT8(input_stream);
    Stream_Read_UINT16(input_stream, server_version);
    Stream_Seek_UINT8(input_stream);

    /* Initialize Client Audio Formats and Version PDU */
    output_stream = Stream_New(NULL, 24);
    Stream_Write_UINT8(output_stream,  SNDC_FORMATS);
    Stream_Write_UINT8(output_stream,  0);

    /* Fill in body size later */
    Stream_Seek_UINT16(output_stream); /* offset = 0x02 */

    /* Flags, volume, and pitch */
    Stream_Write_UINT32(output_stream, TSSNDCAPS_ALIVE);
    Stream_Write_UINT32(output_stream, 0);
    Stream_Write_UINT32(output_stream, 0);

    /* Datagram port (UDP) */
    Stream_Write_UINT16(output_stream, 0);

    /* Fill in format count later */
    Stream_Seek_UINT16(output_stream); /* offset = 0x12 */

    /* Version and padding */
    Stream_Write_UINT8(output_stream,  0);
    Stream_Write_UINT16(output_stream, 6);
    Stream_Write_UINT8(output_stream,  0);

    /* Check each server format, respond if supported and audio is enabled */
    if (audio != NULL) {
        for (i=0; i < server_format_count; i++) {

            unsigned char* format_start;

            int format_tag;
            int channels;
            int rate;
            int bps;
            int body_size;

            /* Remember position in stream */
            Stream_GetPointer(input_stream, format_start);

            /* Read format */
            Stream_Read_UINT16(input_stream, format_tag);
            Stream_Read_UINT16(input_stream, channels);
            Stream_Read_UINT32(input_stream, rate);
            Stream_Seek_UINT32(input_stream);
            Stream_Seek_UINT16(input_stream);
            Stream_Read_UINT16(input_stream, bps);

            /* Skip past extra data */
            Stream_Read_UINT16(input_stream, body_size);
            Stream_Seek(input_stream, body_size);

            /* If PCM, accept */
            if (format_tag == WAVE_FORMAT_PCM) {

                /* If can fit another format, accept it */
                if (rdpsnd->format_count < GUAC_RDP_MAX_FORMATS) {

                    /* Add channel */
                    int current = rdpsnd->format_count++;
                    rdpsnd->formats[current].rate     = rate;
                    rdpsnd->formats[current].channels = channels;
                    rdpsnd->formats[current].bps      = bps;

                    /* Log format */
                    guac_client_log(client, GUAC_LOG_INFO,
                            "Accepted format: %i-bit PCM with %i channels at "
                            "%i Hz",
                            bps, channels, rate);

                    /* Ensure audio stream is configured to use accepted
                     * format */
                    guac_audio_stream_reset(audio, NULL, rate, channels, bps);

                    /* Queue format for sending as accepted */
                    Stream_EnsureRemainingCapacity(output_stream,
//.........这里部分代码省略.........

int tsmf_ifman_update_geometry_info(TSMF_IFMAN* ifman)
{
	TSMF_PRESENTATION* presentation;
	UINT32 numGeometryInfo;
	UINT32 Left;
	UINT32 Top;
	UINT32 Width;
	UINT32 Height;
	UINT32 cbVisibleRect;
	RDP_RECT* rects = NULL;
	int num_rects = 0;
	int error = 0;
	int i;
	int pos;

	presentation = tsmf_presentation_find_by_id(Stream_Pointer(ifman->input));
	Stream_Seek(ifman->input, 16);

	Stream_Read_UINT32(ifman->input, numGeometryInfo);
	pos = Stream_GetPosition(ifman->input);

	Stream_Seek(ifman->input, 12); /* VideoWindowId (8 bytes), VideoWindowState (4 bytes) */
	Stream_Read_UINT32(ifman->input, Width);
	Stream_Read_UINT32(ifman->input, Height);
	Stream_Read_UINT32(ifman->input, Left);
	Stream_Read_UINT32(ifman->input, Top);

	Stream_SetPosition(ifman->input, pos + numGeometryInfo);
	Stream_Read_UINT32(ifman->input, cbVisibleRect);
	num_rects = cbVisibleRect / 16;

	DEBUG_DVC("numGeometryInfo %d Width %d Height %d Left %d Top %d cbVisibleRect %d num_rects %d",
		numGeometryInfo, Width, Height, Left, Top, cbVisibleRect, num_rects);

	if (presentation == NULL)
	{
		error = 1;
	}
	else
	{
		if (num_rects > 0)
		{
			rects = (RDP_RECT*) malloc(sizeof(RDP_RECT) * num_rects);
			ZeroMemory(rects, sizeof(RDP_RECT) * num_rects);

			for (i = 0; i < num_rects; i++)
			{
				Stream_Read_UINT16(ifman->input, rects[i].y); /* Top */
				Stream_Seek_UINT16(ifman->input);
				Stream_Read_UINT16(ifman->input, rects[i].x); /* Left */
				Stream_Seek_UINT16(ifman->input);
				Stream_Read_UINT16(ifman->input, rects[i].height); /* Bottom */
				Stream_Seek_UINT16(ifman->input);
				Stream_Read_UINT16(ifman->input, rects[i].width); /* Right */
				Stream_Seek_UINT16(ifman->input);
				rects[i].width -= rects[i].x;
				rects[i].height -= rects[i].y;

				DEBUG_DVC("rect %d: %d %d %d %d", i,
					rects[i].x, rects[i].y, rects[i].width, rects[i].height);
			}
		}
		tsmf_presentation_set_geometry_info(presentation, Left, Top, Width, Height, num_rects, rects);
	}
	
	ifman->output_pending = TRUE;

	return error;
}