mirror of https://github.com/FreeRDP/FreeRDP
98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol client.
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* File System Virtual Channel
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*
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* Copyright 2010-2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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* Copyright 2010-2011 Vic Lee
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <freerdp/utils/memory.h>
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#include <freerdp/utils/stream.h>
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#include <freerdp/utils/svc_plugin.h>
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#include "rdpdr_types.h"
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#include "rdpdr_constants.h"
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#include "devman.h"
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#include "irp.h"
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static void irp_free(IRP* irp)
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{
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DEBUG_SVC("DeviceId %d FileId %d CompletionId %d", irp->device->id, irp->FileId, irp->CompletionId);
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stream_free(irp->input);
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stream_free(irp->output);
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xfree(irp);
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}
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static void irp_complete(IRP* irp)
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{
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int pos;
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DEBUG_SVC("DeviceId %d FileId %d CompletionId %d", irp->device->id, irp->FileId, irp->CompletionId);
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pos = stream_get_pos(irp->output);
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stream_set_pos(irp->output, 12);
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stream_write_uint32(irp->output, irp->IoStatus);
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stream_set_pos(irp->output, pos);
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svc_plugin_send(irp->devman->plugin, irp->output);
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irp->output = NULL;
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irp_free(irp);
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}
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IRP* irp_new(DEVMAN* devman, STREAM* data_in)
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{
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IRP* irp;
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uint32 DeviceId;
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DEVICE* device;
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stream_read_uint32(data_in, DeviceId);
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device = devman_get_device_by_id(devman, DeviceId);
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if (device == NULL)
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{
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DEBUG_WARN("unknown DeviceId %d", DeviceId);
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return NULL;
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}
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irp = xnew(IRP);
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irp->device = device;
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irp->devman = devman;
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stream_read_uint32(data_in, irp->FileId);
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stream_read_uint32(data_in, irp->CompletionId);
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stream_read_uint32(data_in, irp->MajorFunction);
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stream_read_uint32(data_in, irp->MinorFunction);
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irp->input = data_in;
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irp->output = stream_new(256);
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stream_write_uint16(irp->output, RDPDR_CTYP_CORE);
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stream_write_uint16(irp->output, PAKID_CORE_DEVICE_IOCOMPLETION);
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stream_write_uint32(irp->output, DeviceId);
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stream_write_uint32(irp->output, irp->CompletionId);
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stream_seek_uint32(irp->output); /* IoStatus */
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irp->Complete = irp_complete;
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irp->Discard = irp_free;
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DEBUG_SVC("DeviceId %d FileId %d CompletionId %d MajorFunction 0x%X MinorFunction 0x%x",
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irp->device->id, irp->FileId, irp->CompletionId, irp->MajorFunction, irp->MinorFunction);
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return irp;
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}
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