mirror of
https://github.com/wiiu-env/WiiUPluginLoaderBackend.git
synced 2024-11-08 05:55:07 +01:00
349 lines
17 KiB
C++
349 lines
17 KiB
C++
#include <coreinit/cache.h>
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#include <memory>
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#include "PluginContainer.h"
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#include "PluginInformationFactory.h"
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#include "PluginMetaInformationFactory.h"
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#include "PluginContainerPersistence.h"
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#include "PluginDataPersistence.h"
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#include "DynamicLinkingHelper.h"
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bool PluginContainerPersistence::savePlugin(plugin_information_t *pluginInformation, const std::shared_ptr<PluginContainer> &plugin, MEMHeapHandle heapHandle) {
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int32_t plugin_count = pluginInformation->number_used_plugins;
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auto pluginName = plugin->getMetaInformation()->getName();
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if (plugin_count >= MAXIMUM_PLUGINS - 1) {
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DEBUG_FUNCTION_LINE("Maximum of %d plugins reached. %s won't be loaded!", MAXIMUM_PLUGINS, pluginName.c_str());
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return false;
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}
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// Copy data to global struct.
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plugin_information_single_t *plugin_data = &(pluginInformation->plugin_data[plugin_count]);
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// Make sure everything is reset.
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memset((void *) plugin_data, 0, sizeof(plugin_information_single_t));
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const auto &pluginMetaInfo = plugin->getMetaInformation();
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auto plugin_meta_data = &plugin_data->meta;
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if (pluginMetaInfo->getName().size() >= MAXIMUM_PLUGIN_META_FIELD_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: name will be truncated.");
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}
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strncpy(plugin_meta_data->name, pluginMetaInfo->getName().c_str(), MAXIMUM_PLUGIN_META_FIELD_LENGTH - 1);
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if (pluginMetaInfo->getAuthor().size() >= MAXIMUM_PLUGIN_META_FIELD_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: author will be truncated.");
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}
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strncpy(plugin_meta_data->author, pluginMetaInfo->getAuthor().c_str(), MAXIMUM_PLUGIN_META_FIELD_LENGTH - 1);
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if (pluginMetaInfo->getVersion().size() >= MAXIMUM_PLUGIN_META_FIELD_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: version will be truncated.");
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}
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strncpy(plugin_meta_data->version, pluginMetaInfo->getVersion().c_str(), MAXIMUM_PLUGIN_META_FIELD_LENGTH - 1);
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if (pluginMetaInfo->getLicense().size() >= MAXIMUM_PLUGIN_META_FIELD_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: license will be truncated.");
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}
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strncpy(plugin_meta_data->license, pluginMetaInfo->getLicense().c_str(), MAXIMUM_PLUGIN_META_FIELD_LENGTH - 1);
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if (pluginMetaInfo->getBuildTimestamp().size() >= MAXIMUM_PLUGIN_META_FIELD_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: build timestamp will be truncated.");
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}
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strncpy(plugin_meta_data->buildTimestamp, pluginMetaInfo->getBuildTimestamp().c_str(), MAXIMUM_PLUGIN_META_FIELD_LENGTH - 1);
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if (pluginMetaInfo->getDescription().size() >= MAXIMUM_PLUGIN_DESCRIPTION_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: description will be truncated.");
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DEBUG_FUNCTION_LINE("%s", pluginMetaInfo->getDescription().c_str());
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}
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strncpy(plugin_meta_data->descripion, pluginMetaInfo->getDescription().c_str(), MAXIMUM_PLUGIN_DESCRIPTION_LENGTH - 1);
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if (pluginMetaInfo->getStorageId().length() >= MAXIMUM_PLUGIN_META_FIELD_LENGTH) {
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DEBUG_FUNCTION_LINE("Warning: plugin storage id will be truncated.");
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}
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strncpy(plugin_meta_data->storageId, pluginMetaInfo->getStorageId().c_str(), MAXIMUM_PLUGIN_META_FIELD_LENGTH - 1);
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plugin_meta_data->size = pluginMetaInfo->getSize();
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auto pluginInfo = plugin->getPluginInformation();
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// Relocation
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auto relocationData = pluginInfo->getRelocationDataList();
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for (auto &reloc: relocationData) {
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if (!DynamicLinkingHelper::addReloationEntry(&(pluginInformation->linking_data), plugin_data->info.linking_entries, PLUGIN_DYN_LINK_RELOCATION_LIST_LENGTH, reloc)) {
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DEBUG_FUNCTION_LINE("Failed to add a relocation entry");
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return false;
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}
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}
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auto function_data_list = pluginInfo->getFunctionDataList();
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auto hook_data_list = pluginInfo->getHookDataList();
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if (function_data_list.size() > MAXIMUM_FUNCTION_PER_PLUGIN) {
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DEBUG_FUNCTION_LINE("Plugin %s would replace to many function (%d, maximum is %d). It won't be loaded.", pluginName.c_str(), function_data_list.size(), MAXIMUM_FUNCTION_PER_PLUGIN);
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return false;
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}
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if (hook_data_list.size() > MAXIMUM_HOOKS_PER_PLUGIN) {
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DEBUG_FUNCTION_LINE("Plugin %s would set too many hooks (%d, maximum is %d). It won't be loaded.", pluginName.c_str(), hook_data_list.size(), MAXIMUM_HOOKS_PER_PLUGIN);
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return false;
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}
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if (pluginName.length() > MAXIMUM_PLUGIN_NAME_LENGTH - 1) {
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DEBUG_FUNCTION_LINE("Name for plugin %s was too long to be stored.", pluginName.c_str());
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return false;
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}
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/* Store function replacement information */
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uint32_t i = 0;
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for (auto &curFunction: pluginInfo->getFunctionDataList()) {
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function_replacement_data_t *function_data = &plugin_data->info.functions[i];
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if (strlen(curFunction->getName().c_str()) > MAXIMUM_FUNCTION_NAME_LENGTH - 1) {
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DEBUG_FUNCTION_LINE("Could not add function \"%s\" for plugin \"%s\" function name is too long.", curFunction->getName().c_str(), pluginName.c_str());
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continue;
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}
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DEBUG_FUNCTION_LINE_VERBOSE("Adding function \"%s\" for plugin \"%s\"", curFunction->getName().c_str(), pluginName.c_str());
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strncpy(function_data->function_name, curFunction->getName().c_str(), MAXIMUM_FUNCTION_NAME_LENGTH - 1);
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function_data->VERSION = FUNCTION_REPLACEMENT_DATA_STRUCT_VERSION;
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function_data->library = (function_replacement_library_type_t) curFunction->getLibrary();
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function_data->replaceAddr = (uint32_t) curFunction->getReplaceAddress();
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function_data->replaceCall = (uint32_t) curFunction->getReplaceCall();
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function_data->physicalAddr = (uint32_t) curFunction->getPhysicalAddress();
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function_data->virtualAddr = (uint32_t) curFunction->getVirtualAddress();
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function_data->targetProcess = curFunction->getTargetProcess();
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plugin_data->info.number_used_functions++;
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i++;
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}
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i = 0;
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for (auto &curHook: pluginInfo->getHookDataList()) {
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replacement_data_hook_t *hook_data = &plugin_data->info.hooks[i];
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DEBUG_FUNCTION_LINE_VERBOSE("Set hook for plugin \"%s\" of type %08X to target %08X", plugin_data->meta.name, curHook->getType(), (void *) curHook->getFunctionPointer());
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hook_data->func_pointer = (void *) curHook->getFunctionPointer();
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hook_data->type = curHook->getType();
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plugin_data->info.number_used_hooks++;
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i++;
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}
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/* Saving SectionInfos */
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for (auto &curSection: pluginInfo->getSectionInfoList()) {
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bool foundFreeSlot = false;
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uint32_t slot = 0;
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for (uint32_t j = 0; j < MAXIMUM_PLUGIN_SECTION_LENGTH; j++) {
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auto *sectionInfo = &(plugin_data->info.sectionInfos[j]);
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if (sectionInfo->addr == 0 && sectionInfo->size == 0) {
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foundFreeSlot = true;
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slot = j;
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break;
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}
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}
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if (foundFreeSlot) {
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auto *sectionInfo = &(plugin_data->info.sectionInfos[slot]);
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if (curSection.first.length() > MAXIMUM_PLUGIN_SECTION_NAME_LENGTH - 1) {
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DEBUG_FUNCTION_LINE("Could not add section info \"%s\" for plugin \"%s\" section name is too long.", curSection.first.c_str(), pluginName.c_str());
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break;
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}
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strncpy(sectionInfo->name, curSection.first.c_str(), MAXIMUM_PLUGIN_SECTION_NAME_LENGTH - 1);
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sectionInfo->addr = curSection.second->getAddress();
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sectionInfo->size = curSection.second->getSize();
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} else {
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DEBUG_FUNCTION_LINE("Failed to store SectionInfos");
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return false;
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}
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}
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plugin_data->info.trampolinId = pluginInfo->getTrampolinId();
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plugin_data->info.allocatedTextMemoryAddress = pluginInfo->allocatedTextMemoryAddress;
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plugin_data->info.allocatedDataMemoryAddress = pluginInfo->allocatedDataMemoryAddress;
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uint32_t entryCount = pluginInfo->getFunctionSymbolDataList().size();
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if (entryCount > 0) {
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// Saving SectionInfos
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uint32_t funcSymStringLen = 1;
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for (auto &curFuncSym: pluginInfo->getFunctionSymbolDataList()) {
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funcSymStringLen += curFuncSym->getName().length() + 1;
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}
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char *stringTable = (char *) MEMAllocFromExpHeapEx(heapHandle, funcSymStringLen, 0x4);
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if (stringTable == nullptr) {
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DEBUG_FUNCTION_LINE("Failed alloc memory to store string table for function symbol data");
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return false;
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}
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memset(stringTable, 0, funcSymStringLen);
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DEBUG_FUNCTION_LINE("Allocated %d for the function symbol string table", funcSymStringLen);
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auto *entryTable = (plugin_function_symbol_data_t *) MEMAllocFromExpHeapEx(heapHandle, entryCount * sizeof(plugin_function_symbol_data_t), 0x4);
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if (entryTable == nullptr) {
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MEMFreeToExpHeap((MEMHeapHandle) heapHandle, stringTable);
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free(stringTable);
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DEBUG_FUNCTION_LINE("Failed alloc memory to store function symbol data");
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return false;
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}
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DEBUG_FUNCTION_LINE("Allocated %d for the function symbol data", entryCount * sizeof(plugin_function_symbol_data_t));
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uint32_t curStringOffset = 0;
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uint32_t curEntryIndex = 0;
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for (auto &curFuncSym: pluginInfo->getFunctionSymbolDataList()) {
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entryTable[curEntryIndex].address = curFuncSym->getAddress();
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entryTable[curEntryIndex].name = &stringTable[curStringOffset];
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entryTable[curEntryIndex].size = curFuncSym->getSize();
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auto len = curFuncSym->getName().length() + 1;
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memcpy(stringTable + curStringOffset, curFuncSym->getName().c_str(), len);
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curStringOffset += len;
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curEntryIndex++;
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}
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plugin_data->info.allocatedFuncSymStringTableAddress = stringTable;
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plugin_data->info.function_symbol_data = entryTable;
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}
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plugin_data->info.number_function_symbol_data = entryCount;
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/* Copy plugin data */
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auto pluginData = plugin->getPluginData();
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auto plugin_data_data = &plugin_data->data;
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PluginDataPersistence::save(plugin_data_data, pluginData);
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pluginInformation->number_used_plugins++;
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DCFlushRange((void *) pluginInformation, sizeof(plugin_information_t));
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ICInvalidateRange((void *) pluginInformation, sizeof(plugin_information_t));
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return true;
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}
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std::vector<std::shared_ptr<PluginContainer>> PluginContainerPersistence::loadPlugins(plugin_information_t *pluginInformation) {
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std::vector<std::shared_ptr<PluginContainer>> result;
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if (pluginInformation == nullptr) {
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DEBUG_FUNCTION_LINE("pluginInformation == nullptr");
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return result;
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}
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DCFlushRange((void *) pluginInformation, sizeof(plugin_information_t));
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ICInvalidateRange((void *) pluginInformation, sizeof(plugin_information_t));
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int32_t plugin_count = pluginInformation->number_used_plugins;
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if (plugin_count > MAXIMUM_PLUGINS) {
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DEBUG_FUNCTION_LINE("pluginInformation->plugin_count was bigger then allowed. %d > %d. Limiting to %d", plugin_count, MAXIMUM_PLUGINS, MAXIMUM_PLUGINS);
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plugin_count = MAXIMUM_PLUGINS;
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}
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for (int32_t i = 0; i < plugin_count; i++) {
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// Copy data from struct.
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plugin_information_single_t *plugin_data = &(pluginInformation->plugin_data[i]);
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auto metaInformation = std::shared_ptr<PluginMetaInformation>(new PluginMetaInformation);
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plugin_meta_info_t *meta = &(plugin_data->meta);
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metaInformation->setAuthor(meta->author);
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metaInformation->setVersion(meta->version);
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metaInformation->setBuildTimestamp(meta->buildTimestamp);
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metaInformation->setLicense(meta->license);
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metaInformation->setDescription(meta->descripion);
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metaInformation->setSize(meta->size);
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metaInformation->setName(meta->name);
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metaInformation->setStorageId(meta->storageId);
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plugin_data_t *data = &(plugin_data->data);
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auto pluginData = PluginDataPersistence::load(data);
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auto curPluginInformation = std::make_shared<PluginInformation>();
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curPluginInformation->setTrampolinId(plugin_data->info.trampolinId);
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curPluginInformation->allocatedTextMemoryAddress = plugin_data->info.allocatedTextMemoryAddress;
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curPluginInformation->allocatedDataMemoryAddress = plugin_data->info.allocatedDataMemoryAddress;
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for (auto &curItem: plugin_data->info.sectionInfos) {
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plugin_section_info_t *sectionInfo = &curItem;
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if (sectionInfo->addr == 0 && sectionInfo->size == 0) {
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continue;
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}
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DEBUG_FUNCTION_LINE_VERBOSE("Add SectionInfo %s", sectionInfo->name);
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std::string name(sectionInfo->name);
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curPluginInformation->addSectionInfo(std::make_shared<SectionInfo>(name, sectionInfo->addr, sectionInfo->size));
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}
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/* load hook data */
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uint32_t hookCount = plugin_data->info.number_used_hooks;
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if (hookCount > MAXIMUM_HOOKS_PER_PLUGIN) {
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DEBUG_FUNCTION_LINE("number_used_hooks was bigger then allowed. %d > %d. Limiting to %d", hookCount, MAXIMUM_HOOKS_PER_PLUGIN, MAXIMUM_HOOKS_PER_PLUGIN);
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hookCount = MAXIMUM_HOOKS_PER_PLUGIN;
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}
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for (uint32_t j = 0; j < hookCount; j++) {
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replacement_data_hook_t *hook_entry = &(plugin_data->info.hooks[j]);
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curPluginInformation->addHookData(std::make_shared<HookData>(hook_entry->func_pointer, hook_entry->type));
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}
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bool storageHasId = true;
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for (auto const &value: curPluginInformation->getHookDataList()) {
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if (value->getType() == WUPS_LOADER_HOOK_INIT_STORAGE &&
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metaInformation->getStorageId().empty()) {
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storageHasId = false;
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}
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}
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if (!storageHasId) {
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DEBUG_FUNCTION_LINE("Plugin is using the storage API but has not set an ID");
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continue;
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}
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/* load function replacement data */
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uint32_t functionReplaceCount = plugin_data->info.number_used_functions;
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if (functionReplaceCount > MAXIMUM_FUNCTION_PER_PLUGIN) {
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DEBUG_FUNCTION_LINE("number_used_functions was bigger then allowed. %d > %d. Limiting to %d", functionReplaceCount, MAXIMUM_FUNCTION_PER_PLUGIN, MAXIMUM_FUNCTION_PER_PLUGIN);
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functionReplaceCount = MAXIMUM_FUNCTION_PER_PLUGIN;
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}
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for (uint32_t j = 0; j < functionReplaceCount; j++) {
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function_replacement_data_t *entry = &(plugin_data->info.functions[j]);
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auto func = std::make_shared<FunctionData>((void *) entry->physicalAddr, (void *) entry->virtualAddr, entry->function_name, (function_replacement_library_type_t) entry->library,
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(void *) entry->replaceAddr,
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(void *) entry->replaceCall, entry->targetProcess);
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curPluginInformation->addFunctionData(func);
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}
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/* load relocation data */
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for (auto &linking_entry: plugin_data->info.linking_entries) {
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if (linking_entry.destination == nullptr) {
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break;
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}
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dyn_linking_import_t *importEntry = linking_entry.importEntry;
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if (importEntry == nullptr) {
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DEBUG_FUNCTION_LINE("importEntry was nullptr, skipping relocation entry");
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continue;
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}
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dyn_linking_function_t *functionEntry = linking_entry.functionEntry;
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if (functionEntry == nullptr) {
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DEBUG_FUNCTION_LINE("functionEntry was nullptr, skipping relocation entry");
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continue;
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}
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auto rplInfo = std::make_shared<ImportRPLInformation>(importEntry->importName, importEntry->isData);
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std::string functionName(functionEntry->functionName);
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auto reloc = std::make_shared<RelocationData>(linking_entry.type, linking_entry.offset, linking_entry.addend, linking_entry.destination, functionName, rplInfo);
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curPluginInformation->addRelocationData(reloc);
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}
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/* load function symbol data */
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for (uint32_t j = 0; j < plugin_data->info.number_function_symbol_data; j++) {
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auto symbol_data = &plugin_data->info.function_symbol_data[j];
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std::string symbol_name = symbol_data->name;
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auto funSymbolData = std::make_shared<FunctionSymbolData>(symbol_name, (void *) symbol_data->address, symbol_data->size);
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curPluginInformation->addFunctionSymbolData(funSymbolData);
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}
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auto container = std::make_shared<PluginContainer>();
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container->setMetaInformation(metaInformation);
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container->setPluginData(pluginData);
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container->setPluginInformation(curPluginInformation);
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result.push_back(container);
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}
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return result;
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}
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