void guac_rdpdr_fs_process_set_end_of_file_info(guac_rdpdr_device* device, wStream* input_stream, int file_id, int completion_id, int length) { int result; UINT64 size; wStream* output_stream; /* Read new size */ Stream_Read_UINT64(input_stream, size); /* AllocationSize */ GUAC_RDP_DEBUG(2, "[file_id=%i] size=%" PRIu64, file_id, (uint64_t) size); /* Truncate file */ result = guac_rdp_fs_truncate((guac_rdp_fs*) device->data, file_id, size); if (result < 0) output_stream = guac_rdpdr_new_io_completion(device, completion_id, guac_rdp_fs_get_status(result), 4); else output_stream = guac_rdpdr_new_io_completion(device, completion_id, STATUS_SUCCESS, 4); Stream_Write_UINT32(output_stream, length); svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream); }
void guac_rdpdr_fs_process_set_rename_info(guac_rdpdr_device* device, wStream* input_stream, int file_id, int completion_id, int length) { int result; int filename_length; wStream* output_stream; char destination_path[GUAC_RDP_FS_MAX_PATH]; /* Read structure */ Stream_Seek_UINT8(input_stream); /* ReplaceIfExists */ Stream_Seek_UINT8(input_stream); /* RootDirectory */ Stream_Read_UINT32(input_stream, filename_length); /* FileNameLength */ /* Convert name to UTF-8 */ guac_rdp_utf16_to_utf8(Stream_Pointer(input_stream), filename_length/2, destination_path, sizeof(destination_path)); GUAC_RDP_DEBUG(2, "[file_id=%i] destination_path=\"%s\"", file_id, destination_path); /* If file moving to \Download folder, start stream, do not move */ if (strncmp(destination_path, "\\Download\\", 10) == 0) { guac_rdp_fs_file* file; /* Get file */ file = guac_rdp_fs_get_file((guac_rdp_fs*) device->data, file_id); if (file == NULL) return; /* Initiate download, pretend move succeeded */ guac_rdpdr_start_download(device, file->absolute_path); output_stream = guac_rdpdr_new_io_completion(device, completion_id, STATUS_SUCCESS, 4); } /* Otherwise, rename as requested */ else { result = guac_rdp_fs_rename((guac_rdp_fs*) device->data, file_id, destination_path); if (result < 0) output_stream = guac_rdpdr_new_io_completion(device, completion_id, guac_rdp_fs_get_status(result), 4); else output_stream = guac_rdpdr_new_io_completion(device, completion_id, STATUS_SUCCESS, 4); } Stream_Write_UINT32(output_stream, length); svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream); }
void guac_rdpdr_fs_process_read(guac_rdpdr_device* device, wStream* input_stream, int file_id, int completion_id) { UINT32 length; UINT64 offset; char* buffer; int bytes_read; wStream* output_stream; /* Read packet */ Stream_Read_UINT32(input_stream, length); Stream_Read_UINT64(input_stream, offset); guac_client_log(device->rdpdr->client, GUAC_LOG_DEBUG, "%s: [file_id=%i] length=%i, offset=%" PRIu64, __func__, file_id, length, (uint64_t) offset); /* Ensure buffer size does not exceed a safe maximum */ if (length > GUAC_RDP_MAX_READ_BUFFER) length = GUAC_RDP_MAX_READ_BUFFER; /* Allocate buffer */ buffer = malloc(length); /* Attempt read */ bytes_read = guac_rdp_fs_read((guac_rdp_fs*) device->data, file_id, offset, buffer, length); /* If error, return invalid parameter */ if (bytes_read < 0) { output_stream = guac_rdpdr_new_io_completion(device, completion_id, guac_rdp_fs_get_status(bytes_read), 4); Stream_Write_UINT32(output_stream, 0); /* Length */ } /* Otherwise, send bytes read */ else { output_stream = guac_rdpdr_new_io_completion(device, completion_id, STATUS_SUCCESS, 4+bytes_read); Stream_Write_UINT32(output_stream, bytes_read); /* Length */ Stream_Write(output_stream, buffer, bytes_read); /* ReadData */ } svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream); free(buffer); }
void guac_rdpdr_fs_process_write(guac_rdpdr_device* device, wStream* input_stream, int file_id, int completion_id) { UINT32 length; UINT64 offset; int bytes_written; wStream* output_stream; /* Read packet */ Stream_Read_UINT32(input_stream, length); Stream_Read_UINT64(input_stream, offset); Stream_Seek(input_stream, 20); /* Padding */ guac_client_log(device->rdpdr->client, GUAC_LOG_DEBUG, "%s: [file_id=%i] length=%i, offset=%" PRIu64, __func__, file_id, length, (uint64_t) offset); /* Attempt write */ bytes_written = guac_rdp_fs_write((guac_rdp_fs*) device->data, file_id, offset, Stream_Pointer(input_stream), length); /* If error, return invalid parameter */ if (bytes_written < 0) { output_stream = guac_rdpdr_new_io_completion(device, completion_id, guac_rdp_fs_get_status(bytes_written), 5); Stream_Write_UINT32(output_stream, 0); /* Length */ Stream_Write_UINT8(output_stream, 0); /* Padding */ } /* Otherwise, send success */ else { output_stream = guac_rdpdr_new_io_completion(device, completion_id, STATUS_SUCCESS, 5); Stream_Write_UINT32(output_stream, bytes_written); /* Length */ Stream_Write_UINT8(output_stream, 0); /* Padding */ } svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream); }
void guac_rdpdr_fs_process_set_disposition_info(guac_rdpdr_device* device, wStream* input_stream, int file_id, int completion_id, int length) { wStream* output_stream; /* Delete file */ int result = guac_rdp_fs_delete((guac_rdp_fs*) device->data, file_id); if (result < 0) output_stream = guac_rdpdr_new_io_completion(device, completion_id, guac_rdp_fs_get_status(result), 4); else output_stream = guac_rdpdr_new_io_completion(device, completion_id, STATUS_SUCCESS, 4); GUAC_RDP_DEBUG(2, "[file_id=%i]", file_id); Stream_Write_UINT32(output_stream, length); svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream); }
void guac_rdpdr_fs_process_create(guac_rdpdr_device* device, wStream* input_stream, int completion_id) { wStream* output_stream; int file_id; int desired_access, file_attributes; int create_disposition, create_options, path_length; char path[GUAC_RDP_FS_MAX_PATH]; /* Read "create" information */ Stream_Read_UINT32(input_stream, desired_access); Stream_Seek_UINT64(input_stream); /* allocation size */ Stream_Read_UINT32(input_stream, file_attributes); Stream_Seek_UINT32(input_stream); /* shared access */ Stream_Read_UINT32(input_stream, create_disposition); Stream_Read_UINT32(input_stream, create_options); Stream_Read_UINT32(input_stream, path_length); /* Convert path to UTF-8 */ guac_rdp_utf16_to_utf8(Stream_Pointer(input_stream), path_length/2 - 1, path, sizeof(path)); /* Open file */ file_id = guac_rdp_fs_open((guac_rdp_fs*) device->data, path, desired_access, file_attributes, create_disposition, create_options); guac_client_log(device->rdpdr->client, GUAC_LOG_DEBUG, "%s: [file_id=%i] " "desired_access=0x%x, file_attributes=0x%x, " "create_disposition=0x%x, create_options=0x%x, path=\"%s\"", __func__, file_id, desired_access, file_attributes, create_disposition, create_options, path); /* If an error occurred, notify server */ if (file_id < 0) { guac_client_log(device->rdpdr->client, GUAC_LOG_ERROR, "File open refused (%i): \"%s\"", file_id, path); output_stream = guac_rdpdr_new_io_completion(device, completion_id, guac_rdp_fs_get_status(file_id), 5); Stream_Write_UINT32(output_stream, 0); /* fileId */ Stream_Write_UINT8(output_stream, 0); /* information */ } /* Otherwise, open succeeded */ else { guac_rdp_fs_file* file; output_stream = guac_rdpdr_new_io_completion(device, completion_id, STATUS_SUCCESS, 5); Stream_Write_UINT32(output_stream, file_id); /* fileId */ Stream_Write_UINT8(output_stream, 0); /* information */ /* Create \Download if it doesn't exist */ file = guac_rdp_fs_get_file((guac_rdp_fs*) device->data, file_id); if (file != NULL && strcmp(file->absolute_path, "\\") == 0) { int download_id = guac_rdp_fs_open((guac_rdp_fs*) device->data, "\\Download", ACCESS_GENERIC_READ, 0, DISP_FILE_OPEN_IF, FILE_DIRECTORY_FILE); if (download_id >= 0) guac_rdp_fs_close((guac_rdp_fs*) device->data, download_id); } } svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream); }