| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include "fs.h" |
| #include "ls.h" |
| |
| #include <guacamole/client.h> |
| #include <guacamole/protocol.h> |
| #include <guacamole/socket.h> |
| #include <guacamole/stream.h> |
| #include <guacamole/user.h> |
| #include <winpr/nt.h> |
| #include <winpr/shell.h> |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| int guac_rdp_ls_ack_handler(guac_user* user, guac_stream* stream, |
| char* message, guac_protocol_status status) { |
| |
| int blob_written = 0; |
| const char* filename; |
| |
| guac_rdp_ls_status* ls_status = (guac_rdp_ls_status*) stream->data; |
| |
| /* If unsuccessful, free stream and abort */ |
| if (status != GUAC_PROTOCOL_STATUS_SUCCESS) { |
| guac_rdp_fs_close(ls_status->fs, ls_status->file_id); |
| guac_user_free_stream(user, stream); |
| free(ls_status); |
| return 0; |
| } |
| |
| /* While directory entries remain */ |
| while ((filename = guac_rdp_fs_read_dir(ls_status->fs, |
| 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, |
| ls_status->directory_name, filename)) { |
| |
| guac_user_log(user, 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(ls_status->fs, absolute_path, |
| GENERIC_READ, 0, FILE_OPEN, 0); |
| if (file_id < 0) |
| continue; |
| |
| /* Get opened file */ |
| guac_rdp_fs_file* file = guac_rdp_fs_get_file(ls_status->fs, file_id); |
| if (file == NULL) { |
| guac_user_log(user, 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_USER_STREAM_INDEX_MIMETYPE; |
| else |
| mimetype = "application/octet-stream"; |
| |
| /* Write entry */ |
| blob_written |= guac_common_json_write_property(user, stream, |
| &ls_status->json_state, absolute_path, mimetype); |
| |
| guac_rdp_fs_close(ls_status->fs, file_id); |
| |
| } |
| |
| /* Complete JSON and cleanup at end of directory */ |
| if (filename == NULL) { |
| |
| /* Complete JSON object */ |
| guac_common_json_end_object(user, stream, &ls_status->json_state); |
| guac_common_json_flush(user, stream, &ls_status->json_state); |
| |
| /* Clean up resources */ |
| guac_rdp_fs_close(ls_status->fs, ls_status->file_id); |
| free(ls_status); |
| |
| /* Signal of stream */ |
| guac_protocol_send_end(user->socket, stream); |
| guac_user_free_stream(user, stream); |
| |
| } |
| |
| guac_socket_flush(user->socket); |
| return 0; |
| |
| } |
| |