2020-04-29 18:02:36 +02:00
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/****************************************************************************
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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 <dirent.h>
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#include <whb/file.h>
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2021-12-15 17:09:30 +01:00
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#include <memory>
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2020-12-26 14:17:50 +01:00
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#include "../utils/StringTools.h"
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2020-04-29 18:02:36 +02:00
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#include "PluginMetaInformationFactory.h"
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using namespace ELFIO;
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2021-12-15 17:09:30 +01:00
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std::optional<std::shared_ptr<PluginMetaInformation>> PluginMetaInformationFactory::loadPlugin(const std::shared_ptr<PluginData> &pluginData) {
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if (pluginData->buffer == nullptr) {
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2021-09-25 14:26:18 +02:00
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DEBUG_FUNCTION_LINE("Buffer was nullptr");
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2020-06-03 18:34:31 +02:00
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return std::nullopt;
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}
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elfio reader;
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2021-12-15 17:09:30 +01:00
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if (!reader.load((char *) pluginData->buffer, pluginData->length)) {
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2020-06-03 18:34:31 +02:00
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DEBUG_FUNCTION_LINE("Can't process PluginData in elfio");
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2020-04-29 18:02:36 +02:00
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return std::nullopt;
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}
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2020-06-03 18:34:31 +02:00
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return loadPlugin(reader);
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2020-05-17 20:50:31 +02:00
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}
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2020-05-28 20:51:31 +02:00
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2021-12-15 17:09:30 +01:00
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std::optional<std::shared_ptr<PluginMetaInformation>> PluginMetaInformationFactory::loadPlugin(std::string &filePath) {
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2020-06-03 18:34:31 +02:00
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elfio reader;
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if (!reader.load(filePath)) {
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2020-12-28 14:40:53 +01:00
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DEBUG_FUNCTION_LINE("Can't find or process ELF file");
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2020-05-17 20:50:31 +02:00
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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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2020-04-29 18:02:36 +02:00
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2021-12-15 17:09:30 +01:00
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std::optional<std::shared_ptr<PluginMetaInformation>> PluginMetaInformationFactory::loadPlugin(char *buffer, size_t size) {
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2020-06-03 18:34:31 +02:00
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elfio reader;
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if (!reader.load(buffer, size)) {
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2020-12-28 14:40:53 +01:00
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DEBUG_FUNCTION_LINE("Can't find or process ELF file");
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2020-05-17 20:50:31 +02:00
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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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2021-12-15 17:09:30 +01:00
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std::optional<std::shared_ptr<PluginMetaInformation>> PluginMetaInformationFactory::loadPlugin(const elfio &reader) {
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size_t pluginSize = 0;
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2021-12-15 17:09:30 +01:00
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auto pluginInfo = std::shared_ptr<PluginMetaInformation>(new PluginMetaInformation);
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2020-05-17 20:50:31 +02:00
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2020-06-03 18:34:31 +02:00
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uint32_t sec_num = reader.sections.size();
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2020-04-29 18:02:36 +02:00
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2020-05-03 12:30:15 +02:00
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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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2020-04-29 18:02:36 +02:00
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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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auto 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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2021-04-07 00:23:23 +02:00
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if (psec->get_name() == ".wups.meta") {
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2020-05-03 12:30:15 +02:00
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const void *sectionData = psec->get_data();
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2020-04-29 18:02:36 +02:00
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uint32_t sectionSize = psec->get_size();
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2020-05-03 12:30:15 +02:00
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char *curEntry = (char *) sectionData;
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while ((uint32_t) curEntry < (uint32_t) sectionData + sectionSize) {
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2020-04-29 18:02:36 +02:00
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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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2021-04-07 00:23:23 +02:00
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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 == "name") {
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pluginInfo->setName(value);
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} else if (key == "author") {
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pluginInfo->setAuthor(value);
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} else if (key == "version") {
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pluginInfo->setVersion(value);
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} else if (key == "license") {
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pluginInfo->setLicense(value);
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} else if (key == "buildtimestamp") {
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pluginInfo->setBuildTimestamp(value);
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} else if (key == "description") {
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pluginInfo->setDescription(value);
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2021-10-01 17:25:48 +02:00
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} else if (key == "storage_id") {
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pluginInfo->setStorageId(value);
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} else if (key == "wups") {
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if (value != "0.6.1") {
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2020-12-28 14:40:53 +01:00
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DEBUG_FUNCTION_LINE("Warning: Ignoring plugin - Unsupported WUPS version: %s.", value.c_str());
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2020-04-29 18:02:36 +02:00
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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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2021-12-15 17:09:30 +01:00
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pluginInfo->setSize(pluginSize);
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2020-04-29 18:02:36 +02:00
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return pluginInfo;
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}
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