43 lines
1.7 KiB
C++
43 lines
1.7 KiB
C++
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/**
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* @file archive_reader.hpp
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* @brief Functions for in-memory archive reading and verification
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*/
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#pragma once
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#include <string>
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#include <vector>
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#include <map>
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#include <archive.h>
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#include <archive_entry.h>
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#include <unistd.h>
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#include <cstring>
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#include <cstdlib>
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#include <fcntl.h>
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#include "checksums.hpp"
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extern "C" {
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/**
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* Extracts a specific file from a package file (gzipped tarball)
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*
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* @param package_file_path Path to the package file (.dpm)
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* @param file_path_in_archive Path of the file to extract within the archive
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* @param data Pointer to buffer pointer - will be allocated by function
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* @param data_size Pointer to size variable that will receive file size
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* @return true on success, false on failure
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*/
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bool get_file_from_package_file(const char* package_file_path, const char* file_path_in_archive, unsigned char** data, size_t* data_size);
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/**
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* Extracts a specific file from an in-memory archive (gzipped tarball)
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*
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* @param archive_data Pointer to the archive data in memory
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* @param archive_data_size Size of the archive data in memory
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* @param file_path_in_archive Path of the file to extract within the archive
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* @param result_data Pointer to buffer pointer - will be allocated by function
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* @param result_data_size Pointer to size variable that will receive file size
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* @return true on success, false on failure
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*/
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bool get_file_from_memory_loaded_archive(const unsigned char* archive_data, const size_t archive_data_size,
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const char* file_path_in_archive,
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unsigned char** result_data, size_t* result_data_size);
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}
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