mirror of
https://github.com/wiiu-env/WiiUPluginLoaderBackend.git
synced 2024-09-05 16:27:34 +02:00
129 lines
4.8 KiB
C++
129 lines
4.8 KiB
C++
/****************************************************************************
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* Copyright (C) 2018-2020 Maschell
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <dirent.h>
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#include <whb/file.h>
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#include "../utils/StringTools.h"
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#include "PluginMetaInformationFactory.h"
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#include "PluginMetaInformation.h"
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#include "../elfio/elfio.hpp"
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#include "../utils/logger.h"
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using namespace ELFIO;
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std::optional<PluginMetaInformation> PluginMetaInformationFactory::loadPlugin(const PluginData &pluginData) {
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if (pluginData.buffer == NULL) {
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DEBUG_FUNCTION_LINE("Buffer was NULL");
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return std::nullopt;
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}
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elfio reader;
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if (!reader.load((char *) pluginData.buffer, pluginData.length)) {
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DEBUG_FUNCTION_LINE("Can't process PluginData in elfio");
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return std::nullopt;
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}
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return loadPlugin(reader);
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}
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std::optional<PluginMetaInformation> PluginMetaInformationFactory::loadPlugin(std::string &filePath) {
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elfio reader;
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if (!reader.load(filePath)) {
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DEBUG_FUNCTION_LINE("Can't find or process ELF file");
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return std::nullopt;
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}
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return loadPlugin(reader);
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}
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std::optional<PluginMetaInformation> PluginMetaInformationFactory::loadPlugin(char *buffer, size_t size) {
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elfio reader;
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if (!reader.load(buffer, size)) {
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DEBUG_FUNCTION_LINE("Can't find or process ELF file");
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return std::nullopt;
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}
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return loadPlugin(reader);
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}
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std::optional<PluginMetaInformation> PluginMetaInformationFactory::loadPlugin(const elfio& reader) {
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size_t pluginSize = 0;
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PluginMetaInformation pluginInfo;
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uint32_t sec_num = reader.sections.size();
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for (uint32_t i = 0; i < sec_num; ++i) {
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section *psec = reader.sections[i];
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// Calculate total size:
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if ((psec->get_type() == SHT_PROGBITS || psec->get_type() == SHT_NOBITS) && (psec->get_flags() & SHF_ALLOC)) {
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uint32_t sectionSize = psec->get_size();
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uint32_t address = (uint32_t) psec->get_address();
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if ((address >= 0x02000000) && address < 0x10000000) {
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pluginSize += sectionSize;
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} else if ((address >= 0x10000000) && address < 0xC0000000) {
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pluginSize += sectionSize;
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}
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}
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// Get meta information and check WUPS version:
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if (psec->get_name().compare(".wups.meta") == 0) {
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const void *sectionData = psec->get_data();
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uint32_t sectionSize = psec->get_size();
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char *curEntry = (char *) sectionData;
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while ((uint32_t) curEntry < (uint32_t) sectionData + sectionSize) {
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if (*curEntry == '\0') {
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curEntry++;
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continue;
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}
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auto firstFound = std::string(curEntry).find_first_of("=");
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if (firstFound != std::string::npos) {
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curEntry[firstFound] = '\0';
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std::string key(curEntry);
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std::string value(curEntry + firstFound + 1);
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if (key.compare("name") == 0) {
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pluginInfo.setName(value);
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} else if (key.compare("author") == 0) {
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pluginInfo.setAuthor(value);
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} else if (key.compare("version") == 0) {
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pluginInfo.setVersion(value);
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} else if (key.compare("license") == 0) {
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pluginInfo.setLicense(value);
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} else if (key.compare("buildtimestamp") == 0) {
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pluginInfo.setBuildTimestamp(value);
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} else if (key.compare("description") == 0) {
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pluginInfo.setDescription(value);
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} else if (key.compare("wups") == 0) {
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if (value.compare("0.4") != 0) {
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DEBUG_FUNCTION_LINE("Warning: Ignoring plugin - Unsupported WUPS version: %s.", value.c_str());
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return std::nullopt;
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}
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}
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}
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curEntry += strlen(curEntry) + 1;
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}
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}
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}
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pluginInfo.setSize(pluginSize);
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return pluginInfo;
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}
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