1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #pragma once 30 31 #include <string> 32 #include <vector> 33 34 extern const char* const kZipFileSeparator; 35 36 void format_string(std::string* str, const std::vector<std::pair<std::string, std::string>>& params); 37 38 bool file_is_in_dir(const std::string& file, const std::string& dir); 39 bool file_is_under_dir(const std::string& file, const std::string& dir); 40 bool normalize_path(const char* path, std::string* normalized_path); 41 bool parse_zip_path(const char* input_path, std::string* zip_path, std::string* entry_path); 42 43 // For every path element this function checks of it exists, and is a directory, 44 // and normalizes it: 45 // 1. For regular path it converts it to realpath() 46 // 2. For path in a zip file it uses realpath on the zipfile 47 // normalizes entry name by calling normalize_path function. 48 void resolve_paths(std::vector<std::string>& paths, 49 std::vector<std::string>* resolved_paths); 50 51 void split_path(const char* path, const char* delimiters, std::vector<std::string>* paths); 52 53 std::string dirname(const char* path); 54 55 off64_t page_start(off64_t offset); 56 size_t page_offset(off64_t offset); 57 bool safe_add(off64_t* out, off64_t a, size_t b); 58
