/** MultiMarkdown -- Lightweight markup processor to produce HTML, LaTeX, and more. @file zip.c @brief Common routines for zip-based file formats @author Fletcher T. Penney @bug **/ /* Copyright © 2016 - 2017 Fletcher T. Penney. The `MultiMarkdown 6` project is released under the MIT License.. GLibFacade.c and GLibFacade.h are from the MultiMarkdown v4 project: https://github.com/fletcher/MultiMarkdown-4/ MMD 4 is released under both the MIT License and GPL. CuTest is released under the zlib/libpng license. See CuTest.c for the text of the license. uthash library: Copyright (c) 2005-2016, Troy D. Hanson Licensed under Revised BSD license miniz library: Copyright 2013-2014 RAD Game Tools and Valve Software Copyright 2010-2014 Rich Geldreich and Tenacious Software LLC Licensed under the MIT license argtable3 library: Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann All rights reserved. Licensed under the Revised BSD License ## The MIT License ## 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: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 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. ## Revised BSD License ## Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE, DATA, OR PROFITS OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "zip.h" #include #include #include // Windows deprecated mkdir() // Fix per internet searches and modified by @f8ttyc8t () #if (defined(_WIN32) || defined(__WIN32__)) // Let compiler know where to find _mkdir() #include #define mkdir(A, B) _mkdir(A) #endif // Create new zip archive void zip_new_archive(mz_zip_archive * pZip) { memset(pZip, 0, sizeof(mz_zip_archive)); mz_bool status; status = mz_zip_writer_init_heap(pZip, 0, 0); if (!status) { fprintf(stderr, "mz_zip_writer_init_heap() failed.\n"); } } // Unzip archive to specified file path mz_bool unzip_archive_to_path(mz_zip_archive * pZip, const char * path) { // Ensure folder 'path' exists DIR * dir = opendir(path); mz_bool status; if (!dir) { // path is not an existing directory if (access(path, F_OK) == 0) { // path is an existing file fprintf(stderr, "'%s' is an existing file.\n", path); return -1; } else { // path doesn't exist - create directory mkdir(path, 0755); } } dir = opendir(path); if (dir) { // Directory 'path' exists // Remember current working directory // Apparently PATH_MAX doesn't actually mean anything, so pick a big number char cwd[4096 + 1]; getcwd(cwd, sizeof(cwd)); // Move into the desired directory chdir(path); int file_count = mz_zip_reader_get_num_files(pZip); mz_zip_archive_file_stat pStat; for (int i = 0; i < file_count; ++i) { mz_zip_reader_file_stat(pZip, i, &pStat); if (pStat.m_is_directory) { // Create the directory mkdir(pStat.m_filename, 0755); } else { status = mz_zip_reader_extract_to_file(pZip, i, pStat.m_filename, 0); if (!status) { fprintf(stderr, "Error extracting file from zip archive.\n"); return status; } } } // Return to prior working directory chdir(cwd); } return 0; } // Unzip archive (as plain binary data) to specified file path mz_bool unzip_data_to_path(const void * data, size_t size, const char * path) { mz_zip_archive pZip; memset(&pZip, 0, sizeof(mz_zip_archive)); mz_bool status = mz_zip_reader_init_mem(&pZip, data, size, 0); if (!status) { fprintf(stderr, "mz_zip_reader_init_mem() failed.\n"); return status; } return unzip_archive_to_path(&pZip, path); }