void guac_rdpdr_fs_process_query_basic_info(guac_rdpdr_device* device, wStream* input_stream, int file_id, int completion_id) { wStream* output_stream; guac_rdp_fs_file* file; /* Get file */ file = guac_rdp_fs_get_file((guac_rdp_fs*) device->data, file_id); if (file == NULL) return; GUAC_RDP_DEBUG(2, "[file_id=%i]", file_id); output_stream = guac_rdpdr_new_io_completion(device, completion_id, STATUS_SUCCESS, 40); Stream_Write_UINT32(output_stream, 36); Stream_Write_UINT64(output_stream, file->ctime); /* CreationTime */ Stream_Write_UINT64(output_stream, file->atime); /* LastAccessTime */ Stream_Write_UINT64(output_stream, file->mtime); /* LastWriteTime */ Stream_Write_UINT64(output_stream, file->mtime); /* ChangeTime */ Stream_Write_UINT32(output_stream, file->attributes); /* FileAttributes */ /* Reserved field must not be sent */ svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream); }
void guac_rdpdr_fs_process_query_standard_info(guac_rdpdr_device* device, wStream* input_stream, int file_id, int completion_id) { wStream* output_stream; guac_rdp_fs_file* file; BOOL is_directory = FALSE; /* Get file */ file = guac_rdp_fs_get_file((guac_rdp_fs*) device->data, file_id); if (file == NULL) return; GUAC_RDP_DEBUG(2, "[file_id=%i]", file_id); if (file->attributes & FILE_ATTRIBUTE_DIRECTORY) is_directory = TRUE; output_stream = guac_rdpdr_new_io_completion(device, completion_id, STATUS_SUCCESS, 26); Stream_Write_UINT32(output_stream, 22); Stream_Write_UINT64(output_stream, file->size); /* AllocationSize */ Stream_Write_UINT64(output_stream, file->size); /* EndOfFile */ Stream_Write_UINT32(output_stream, 1); /* NumberOfLinks */ Stream_Write_UINT8(output_stream, 0); /* DeletePending */ Stream_Write_UINT8(output_stream, is_directory); /* Directory */ /* Reserved field must not be sent */ svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream); }
void guac_rdpdr_fs_process_query_attribute_tag_info(guac_rdpdr_device* device, wStream* input_stream, int file_id, int completion_id) { wStream* output_stream; guac_rdp_fs_file* file; /* Get file */ file = guac_rdp_fs_get_file((guac_rdp_fs*) device->data, file_id); if (file == NULL) return; GUAC_RDP_DEBUG(2, "[file_id=%i]", file_id); output_stream = guac_rdpdr_new_io_completion(device, completion_id, STATUS_SUCCESS, 12); Stream_Write_UINT32(output_stream, 8); Stream_Write_UINT32(output_stream, file->attributes); /* FileAttributes */ Stream_Write_UINT32(output_stream, 0); /* ReparseTag */ /* Reserved field must not be sent */ svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream); }
void guac_rdpdr_fs_process_close(guac_rdpdr_device* device, wStream* input_stream, int file_id, int completion_id) { wStream* output_stream; guac_rdp_fs_file* file; guac_client_log(device->rdpdr->client, GUAC_LOG_DEBUG, "%s: [file_id=%i]", __func__, file_id); /* Get file */ file = guac_rdp_fs_get_file((guac_rdp_fs*) device->data, file_id); if (file == NULL) return; /* If file was written to, and it's in the \Download folder, start stream */ if (file->bytes_written > 0 && strncmp(file->absolute_path, "\\Download\\", 10) == 0) { guac_rdpdr_start_download(device, file->absolute_path); guac_rdp_fs_delete((guac_rdp_fs*) device->data, file_id); } /* Close file */ guac_rdp_fs_close((guac_rdp_fs*) device->data, file_id); output_stream = guac_rdpdr_new_io_completion(device, completion_id, STATUS_SUCCESS, 4); Stream_Write(output_stream, "\0\0\0\0", 4); /* Padding */ 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); }
int guac_rdp_download_get_handler(guac_client* client, guac_object* object, char* name) { /* Get filesystem, ignore request if no filesystem */ guac_rdp_fs* fs = ((rdp_guac_client_data*) client->data)->filesystem; if (fs == NULL) return 0; /* Attempt to open file for reading */ int file_id = guac_rdp_fs_open(fs, name, ACCESS_GENERIC_READ, 0, DISP_FILE_OPEN, 0); if (file_id < 0) { guac_client_log(client, GUAC_LOG_INFO, "Unable to read file \"%s\"", name); return 0; } /* Get opened file */ guac_rdp_fs_file* file = guac_rdp_fs_get_file(fs, file_id); if (file == NULL) { guac_client_log(fs->client, GUAC_LOG_DEBUG, "%s: Successful open produced bad file_id: %i", __func__, file_id); return 0; } /* If directory, send contents of directory */ if (file->attributes & FILE_ATTRIBUTE_DIRECTORY) { /* Create stream data */ guac_rdp_stream* rdp_stream = malloc(sizeof(guac_rdp_stream)); rdp_stream->type = GUAC_RDP_LS_STREAM; rdp_stream->ls_status.fs = fs; rdp_stream->ls_status.file_id = file_id; strncpy(rdp_stream->ls_status.directory_name, name, sizeof(rdp_stream->ls_status.directory_name)); /* Allocate stream for body */ guac_stream* stream = guac_client_alloc_stream(client); stream->ack_handler = guac_rdp_ls_ack_handler; stream->data = rdp_stream; /* Init JSON object state */ guac_common_json_begin_object(client, stream, &rdp_stream->ls_status.json_state); /* Associate new stream with get request */ guac_protocol_send_body(client->socket, object, stream, GUAC_CLIENT_STREAM_INDEX_MIMETYPE, name); } /* Otherwise, send file contents */ else { /* Create stream data */ guac_rdp_stream* rdp_stream = malloc(sizeof(guac_rdp_stream)); rdp_stream->type = GUAC_RDP_DOWNLOAD_STREAM; rdp_stream->download_status.file_id = file_id; rdp_stream->download_status.offset = 0; /* Allocate stream for body */ guac_stream* stream = guac_client_alloc_stream(client); stream->data = rdp_stream; stream->ack_handler = guac_rdp_download_ack_handler; /* Associate new stream with get request */ guac_protocol_send_body(client->socket, object, stream, "application/octet-stream", name); } guac_socket_flush(client->socket); return 0; }
int guac_rdp_ls_ack_handler(guac_client* client, guac_stream* stream, char* message, guac_protocol_status status) { int blob_written = 0; const char* filename; guac_rdp_stream* rdp_stream = (guac_rdp_stream*) stream->data; /* If unsuccessful, free stream and abort */ if (status != GUAC_PROTOCOL_STATUS_SUCCESS) { guac_rdp_fs_close(rdp_stream->ls_status.fs, rdp_stream->ls_status.file_id); guac_client_free_stream(client, stream); free(rdp_stream); return 0; } /* While directory entries remain */ while ((filename = guac_rdp_fs_read_dir(rdp_stream->ls_status.fs, rdp_stream->ls_status.file_id)) != NULL && !blob_written) { char absolute_path[GUAC_RDP_FS_MAX_PATH]; /* Skip current and parent directory entries */ if (strcmp(filename, ".") == 0 || strcmp(filename, "..") == 0) continue; /* Concatenate into absolute path - skip if invalid */ if (!guac_rdp_fs_append_filename(absolute_path, rdp_stream->ls_status.directory_name, filename)) { guac_client_log(client, GUAC_LOG_DEBUG, "Skipping filename \"%s\" - filename is invalid or " "resulting path is too long", filename); continue; } /* Attempt to open file to determine type */ int file_id = guac_rdp_fs_open(rdp_stream->ls_status.fs, absolute_path, ACCESS_GENERIC_READ, 0, DISP_FILE_OPEN, 0); if (file_id < 0) continue; /* Get opened file */ guac_rdp_fs_file* file = guac_rdp_fs_get_file(rdp_stream->ls_status.fs, file_id); if (file == NULL) { guac_client_log(rdp_stream->ls_status.fs->client, GUAC_LOG_DEBUG, "%s: Successful open produced bad file_id: %i", __func__, file_id); return 0; } /* Determine mimetype */ const char* mimetype; if (file->attributes & FILE_ATTRIBUTE_DIRECTORY) mimetype = GUAC_CLIENT_STREAM_INDEX_MIMETYPE; else mimetype = "application/octet-stream"; /* Write entry */ blob_written |= guac_common_json_write_property(client, stream, &rdp_stream->ls_status.json_state, absolute_path, mimetype); guac_rdp_fs_close(rdp_stream->ls_status.fs, file_id); } /* Complete JSON and cleanup at end of directory */ if (filename == NULL) { /* Complete JSON object */ guac_common_json_end_object(client, stream, &rdp_stream->ls_status.json_state); guac_common_json_flush(client, stream, &rdp_stream->ls_status.json_state); /* Clean up resources */ guac_rdp_fs_close(rdp_stream->ls_status.fs, rdp_stream->ls_status.file_id); free(rdp_stream); /* Signal of stream */ guac_protocol_send_end(client->socket, stream); guac_client_free_stream(client, stream); } guac_socket_flush(client->socket); return 0; }
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); }
void guac_rdpdr_fs_process_query_directory(guac_rdpdr_device* device, wStream* input_stream, int file_id, int completion_id) { wStream* output_stream; guac_rdp_fs_file* file; int fs_information_class, initial_query; int path_length; const char* entry_name; /* Get file */ file = guac_rdp_fs_get_file((guac_rdp_fs*) device->data, file_id); if (file == NULL) return; /* Read main header */ Stream_Read_UINT32(input_stream, fs_information_class); Stream_Read_UINT8(input_stream, initial_query); Stream_Read_UINT32(input_stream, path_length); /* If this is the first query, the path is included after padding */ if (initial_query) { Stream_Seek(input_stream, 23); /* Padding */ /* Convert path to UTF-8 */ guac_rdp_utf16_to_utf8(Stream_Pointer(input_stream), path_length/2 - 1, file->dir_pattern, sizeof(file->dir_pattern)); } guac_client_log(device->rdpdr->client, GUAC_LOG_DEBUG, "%s: [file_id=%i] initial_query=%i, dir_pattern=\"%s\"", __func__, file_id, initial_query, file->dir_pattern); /* Find first matching entry in directory */ while ((entry_name = guac_rdp_fs_read_dir((guac_rdp_fs*) device->data, file_id)) != NULL) { /* Convert to absolute path */ char entry_path[GUAC_RDP_FS_MAX_PATH]; if (guac_rdp_fs_convert_path(file->absolute_path, entry_name, entry_path) == 0) { int entry_file_id; /* Pattern defined and match fails, continue with next file */ if (guac_rdp_fs_matches(entry_path, file->dir_pattern)) continue; /* Open directory entry */ entry_file_id = guac_rdp_fs_open((guac_rdp_fs*) device->data, entry_path, ACCESS_FILE_READ_DATA, 0, DISP_FILE_OPEN, 0); if (entry_file_id >= 0) { /* Dispatch to appropriate class-specific handler */ switch (fs_information_class) { case FileDirectoryInformation: guac_rdpdr_fs_process_query_directory_info(device, entry_name, entry_file_id, completion_id); break; case FileFullDirectoryInformation: guac_rdpdr_fs_process_query_full_directory_info(device, entry_name, entry_file_id, completion_id); break; case FileBothDirectoryInformation: guac_rdpdr_fs_process_query_both_directory_info(device, entry_name, entry_file_id, completion_id); break; case FileNamesInformation: guac_rdpdr_fs_process_query_names_info(device, entry_name, entry_file_id, completion_id); break; default: guac_client_log(device->rdpdr->client, GUAC_LOG_INFO, "Unknown dir information class: 0x%x", fs_information_class); } guac_rdp_fs_close((guac_rdp_fs*) device->data, entry_file_id); return; } /* end if file exists */ } /* end if path valid */ } /* end if entry exists */ /* * Handle errors as a lack of files. */ output_stream = guac_rdpdr_new_io_completion(device, completion_id, STATUS_NO_MORE_FILES, 5); Stream_Write_UINT32(output_stream, 0); /* Length */ Stream_Write_UINT8(output_stream, 0); /* Padding */ svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream); }