guacamole-spice-protocol/src/protocols/rdp/guac_rdpdr/rdpdr_fs_service.c

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/*
* Copyright (C) 2013 Glyptodon LLC
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*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
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*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
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*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
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#ifdef ENABLE_WINPR
#include <winpr/stream.h>
#else
#include "compat/winpr-stream.h"
#endif
#include <guacamole/pool.h>
#include "rdp_fs.h"
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#include "rdpdr_fs_messages.h"
#include "rdpdr_messages.h"
#include "rdpdr_service.h"
#include "client.h"
#include "unicode.h"
#include <freerdp/utils/svc_plugin.h>
static void guac_rdpdr_device_fs_announce_handler(guac_rdpdr_device* device,
wStream* output_stream, int device_id) {
/* Filesystem header */
guac_client_log_info(device->rdpdr->client, "Sending filesystem");
Stream_Write_UINT32(output_stream, RDPDR_DTYP_FILESYSTEM);
Stream_Write_UINT32(output_stream, device_id);
Stream_Write(output_stream, "GUAC\0\0\0\0", 8); /* DOS name */
/* Filesystem data */
Stream_Write_UINT32(output_stream, GUAC_FILESYSTEM_NAME_LENGTH);
Stream_Write(output_stream, GUAC_FILESYSTEM_NAME, GUAC_FILESYSTEM_NAME_LENGTH);
}
static void guac_rdpdr_device_fs_iorequest_handler(guac_rdpdr_device* device,
wStream* input_stream, int file_id, int completion_id, int major_func, int minor_func) {
switch (major_func) {
/* File open */
case IRP_MJ_CREATE:
guac_rdpdr_fs_process_create(device, input_stream, completion_id);
break;
/* File close */
case IRP_MJ_CLOSE:
guac_rdpdr_fs_process_close(device, input_stream, file_id, completion_id);
break;
/* File read */
case IRP_MJ_READ:
guac_rdpdr_fs_process_read(device, input_stream, file_id, completion_id);
break;
/* File write */
case IRP_MJ_WRITE:
guac_rdpdr_fs_process_write(device, input_stream, file_id, completion_id);
break;
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/* Device control request (Windows FSCTL_ control codes) */
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case IRP_MJ_DEVICE_CONTROL:
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guac_rdpdr_fs_process_device_control(device, input_stream, file_id, completion_id);
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break;
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/* Query volume (drive) information */
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case IRP_MJ_QUERY_VOLUME_INFORMATION:
guac_rdpdr_fs_process_volume_info(device, input_stream, file_id, completion_id);
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break;
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/* Set volume (drive) information */
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case IRP_MJ_SET_VOLUME_INFORMATION:
guac_rdpdr_fs_process_set_volume_info(device, input_stream, file_id, completion_id);
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break;
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/* Query file information */
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case IRP_MJ_QUERY_INFORMATION:
guac_rdpdr_fs_process_file_info(device, input_stream, file_id, completion_id);
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break;
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/* Set file information */
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case IRP_MJ_SET_INFORMATION:
guac_rdpdr_fs_process_set_file_info(device, input_stream, file_id, completion_id);
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break;
case IRP_MJ_DIRECTORY_CONTROL:
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/* Enumerate directory contents */
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if (minor_func == IRP_MN_QUERY_DIRECTORY)
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guac_rdpdr_fs_process_query_directory(device, input_stream, file_id, completion_id);
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/* Request notification of changes to directory */
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else if (minor_func == IRP_MN_NOTIFY_CHANGE_DIRECTORY)
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guac_rdpdr_fs_process_notify_change_directory(device, input_stream,
file_id, completion_id);
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break;
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/* Lock/unlock portions of a file */
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case IRP_MJ_LOCK_CONTROL:
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guac_rdpdr_fs_process_lock_control(device, input_stream, file_id, completion_id);
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break;
default:
guac_client_log_error(device->rdpdr->client,
"Unknown filesystem I/O request function: 0x%x/0x%x",
major_func, minor_func);
}
}
static void guac_rdpdr_device_fs_free_handler(guac_rdpdr_device* device) {
}
void guac_rdpdr_register_fs(guac_rdpdrPlugin* rdpdr) {
rdp_guac_client_data* data = (rdp_guac_client_data*) rdpdr->client->data;
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int id = rdpdr->devices_registered++;
/* Get new device */
guac_rdpdr_device* device = &(rdpdr->devices[id]);
/* Init device */
device->rdpdr = rdpdr;
device->device_id = id;
device->device_name = "Guacamole Filesystem";
/* Set handlers */
device->announce_handler = guac_rdpdr_device_fs_announce_handler;
device->iorequest_handler = guac_rdpdr_device_fs_iorequest_handler;
device->free_handler = guac_rdpdr_device_fs_free_handler;
/* Init data */
device->data = data->filesystem;
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}