The-Homebrew-Cloud/WiiUPluginLoaderBackend
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WiiUPluginLoaderBackend/source/utils/exports.cpp

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#include "globals.h"
#include "logger.h"
#include "plugin/PluginContainer.h"
#include "plugin/PluginData.h"
#include "plugin/PluginDataFactory.h"
#include "plugin/PluginMetaInformation.h"
#include "plugin/PluginMetaInformationFactory.h"
#include "utils.h"
#include <ranges>
#include <wums.h>
#include <wups_backend/import_defines.h>
static void fillPluginInformation(wups_backend_plugin_information *out, const PluginMetaInformation &metaInformation) {
out->plugin_information_version = WUPS_BACKEND_PLUGIN_INFORMATION_VERSION;
strncpy(out->author, metaInformation.getAuthor().c_str(), sizeof(out->author) - 1);
strncpy(out->buildTimestamp, metaInformation.getBuildTimestamp().c_str(), sizeof(out->buildTimestamp) - 1);
strncpy(out->description, metaInformation.getDescription().c_str(), sizeof(out->description) - 1);
strncpy(out->name, metaInformation.getName().c_str(), sizeof(out->name) - 1);
strncpy(out->license, metaInformation.getLicense().c_str(), sizeof(out->license) - 1);
strncpy(out->version, metaInformation.getVersion().c_str(), sizeof(out->version) - 1);
strncpy(out->storageId, metaInformation.getStorageId().c_str(), sizeof(out->storageId) - 1);
out->size = metaInformation.getSize();
}
extern "C" PluginBackendApiErrorType WUPSLoadAndLinkByDataHandle(const wups_backend_plugin_data_handle *plugin_data_handle_list, uint32_t plugin_data_handle_list_size) {
if (plugin_data_handle_list == nullptr || plugin_data_handle_list_size == 0) {
return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
std::lock_guard lock(gLoadedDataMutex);
for (uint32_t i = 0; i < plugin_data_handle_list_size; i++) {
const auto handle = plugin_data_handle_list[i];
bool found = false;
for (const auto &pluginData : gLoadedData) {
if (pluginData->getHandle() == handle) {
gLoadOnNextLaunch.push_back(pluginData);
found = true;
break;
}
}
if (!found) {
DEBUG_FUNCTION_LINE_ERR("Failed to get plugin data for handle %08X. Skipping it.", handle);
}
}
return PLUGIN_BACKEND_API_ERROR_NONE;
}
extern "C" PluginBackendApiErrorType WUPSDeletePluginData(const wups_backend_plugin_data_handle *plugin_data_handle_list, uint32_t plugin_data_handle_list_size) {
if (plugin_data_handle_list != nullptr && plugin_data_handle_list_size != 0) {
std::lock_guard lock(gLoadedDataMutex);
for (auto &handle : std::span(plugin_data_handle_list, plugin_data_handle_list_size)) {
if (!remove_first_if(gLoadedData, [&handle](auto &cur) { return cur->getHandle() == handle; })) {
DEBUG_FUNCTION_LINE_ERR("Failed to delete plugin data by handle %08X", handle);
}
}
}
return PLUGIN_BACKEND_API_ERROR_NONE;
}
extern "C" PluginBackendApiErrorType WUPSLoadPluginAsData(WUPSBackendGetPluginInformationInputType inputType, const char *path, char *buffer, size_t size, wups_backend_plugin_data_handle *out) {
if (out == nullptr) {
return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
std::unique_ptr<PluginData> pluginData;
if (inputType == PLUGIN_INFORMATION_INPUT_TYPE_PATH && path != nullptr) {
pluginData = PluginDataFactory::load(path);
} else if (inputType == PLUGIN_INFORMATION_INPUT_TYPE_BUFFER && buffer != nullptr && size > 0) {
pluginData = make_unique_nothrow<PluginData>(std::span(reinterpret_cast<uint8_t *>(buffer), size), "<UNKNOWN>");
} else {
return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
if (!pluginData) {
DEBUG_FUNCTION_LINE_ERR("PLUGIN_BACKEND_API_ERROR_FAILED_ALLOC");
return PLUGIN_BACKEND_API_ERROR_FAILED_ALLOC;
} else {
*out = pluginData->getHandle();
{
std::lock_guard lockLoadedData(gLoadedDataMutex);
gLoadedData.insert(std::move(pluginData));
}
}
return PLUGIN_BACKEND_API_ERROR_NONE;
}
extern "C" PluginBackendApiErrorType WUPSLoadPluginAsDataByPath(wups_backend_plugin_data_handle *output, const char *path) {
return WUPSLoadPluginAsData(PLUGIN_INFORMATION_INPUT_TYPE_PATH, path, nullptr, 0, output);
}
extern "C" PluginBackendApiErrorType WUPSLoadPluginAsDataByBuffer(wups_backend_plugin_data_handle *output, char *buffer, size_t size) {
return WUPSLoadPluginAsData(PLUGIN_INFORMATION_INPUT_TYPE_BUFFER, nullptr, buffer, size, output);
}
extern "C" PluginBackendApiErrorType WUPSGetPluginMetaInformationEx(WUPSBackendGetPluginInformationInputType inputType, const char *path, char *buffer, size_t size, wups_backend_plugin_information *output, PluginBackendPluginParseError *errOut) {
if (output == nullptr) {
DEBUG_FUNCTION_LINE_ERR("PLUGIN_BACKEND_API_ERROR_INVALID_ARG");
return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
std::optional<PluginMetaInformation> pluginInfo;
PluginParseErrors error = PLUGIN_PARSE_ERROR_UNKNOWN;
if (inputType == PLUGIN_INFORMATION_INPUT_TYPE_PATH && path != nullptr) {
pluginInfo = PluginMetaInformationFactory::loadPlugin(path, error);
} else if (inputType == PLUGIN_INFORMATION_INPUT_TYPE_BUFFER && buffer != nullptr && size > 0) {
pluginInfo = PluginMetaInformationFactory::loadPlugin(std::span<uint8_t const>(reinterpret_cast<uint8_t *>(buffer), size), error);
} else {
if (errOut) {
*errOut = PLUGIN_BACKEND_PLUGIN_PARSE_ERROR_UNKNOWN;
}
DEBUG_FUNCTION_LINE_ERR("PLUGIN_BACKEND_API_ERROR_INVALID_ARG");
return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
if (errOut) {
switch (error) {
case PLUGIN_PARSE_ERROR_NONE:
*errOut = PLUGIN_BACKEND_PLUGIN_PARSE_ERROR_NONE;
break;
case PLUGIN_PARSE_ERROR_INCOMPATIBLE_VERSION:
*errOut = PLUGIN_BACKEND_PLUGIN_PARSE_ERROR_INCOMPATIBLE_VERSION;
break;
case PLUGIN_PARSE_ERROR_UNKNOWN:
case PLUGIN_PARSE_ERROR_BUFFER_EMPTY:
case PLUGIN_PARSE_ERROR_ELFIO_PARSE_FAILED:
case PLUGIN_PARSE_ERROR_IO_ERROR:
case PLUGIN_PARSE_ERROR_NO_PLUGIN:
*errOut = PLUGIN_BACKEND_PLUGIN_PARSE_ERROR_UNKNOWN;
break;
}
}
if (!pluginInfo) {
DEBUG_FUNCTION_LINE_ERR("PLUGIN_BACKEND_API_ERROR_FILE_NOT_FOUND");
return PLUGIN_BACKEND_API_ERROR_FILE_NOT_FOUND;
}
fillPluginInformation(output, *pluginInfo);
return PLUGIN_BACKEND_API_ERROR_NONE;
}
extern "C" PluginBackendApiErrorType WUPSGetPluginMetaInformation(WUPSBackendGetPluginInformationInputType inputType, const char *path, char *buffer, size_t size, wups_backend_plugin_information *output) {
return WUPSGetPluginMetaInformationEx(inputType, path, buffer, size, output, nullptr);
}
extern "C" PluginBackendApiErrorType WUPSGetPluginMetaInformationByPath(wups_backend_plugin_information *output, const char *path) {
return WUPSGetPluginMetaInformationEx(PLUGIN_INFORMATION_INPUT_TYPE_PATH, path, nullptr, 0, output, nullptr);
}
extern "C" PluginBackendApiErrorType WUPSGetPluginMetaInformationByBuffer(wups_backend_plugin_information *output, char *buffer, size_t size) {
return WUPSGetPluginMetaInformationEx(PLUGIN_INFORMATION_INPUT_TYPE_BUFFER, nullptr, buffer, size, output, nullptr);
}
extern "C" PluginBackendApiErrorType WUPSGetPluginDataForContainerHandles(const wups_backend_plugin_container_handle *plugin_container_handle_list, wups_backend_plugin_data_handle *plugin_data_list, uint32_t buffer_size) {
if (plugin_container_handle_list == nullptr || buffer_size == 0) {
return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
std::lock_guard lock(gLoadedDataMutex);
for (uint32_t i = 0; i < buffer_size; i++) {
const auto handle = plugin_container_handle_list[i];
bool found = false;
for (const auto &curContainer : gLoadedPlugins) {
if (curContainer.getHandle() == handle) {
auto pluginData = curContainer.getPluginDataCopy();
plugin_data_list[i] = pluginData->getHandle();
gLoadedData.insert(std::move(pluginData));
found = true;
break;
}
}
if (!found) {
DEBUG_FUNCTION_LINE_ERR("Failed to get container for handle %08X", handle);
return PLUGIN_BACKEND_API_INVALID_HANDLE;
}
}
return PLUGIN_BACKEND_API_ERROR_NONE;
}
extern "C" PluginBackendApiErrorType WUPSGetMetaInformation(const wups_backend_plugin_container_handle *plugin_container_handle_list, wups_backend_plugin_information *plugin_information_list, uint32_t buffer_size) {
PluginBackendApiErrorType res = PLUGIN_BACKEND_API_ERROR_NONE;
if (plugin_container_handle_list != nullptr && buffer_size != 0) {
for (uint32_t i = 0; i < buffer_size; i++) {
auto handle = plugin_container_handle_list[i];
bool found = false;
for (const auto &curContainer : gLoadedPlugins) {
if (curContainer.getHandle() == handle) {
const auto &metaInfo = curContainer.getMetaInformation();
plugin_information_list[i].plugin_information_version = WUPS_BACKEND_PLUGIN_INFORMATION_VERSION;
strncpy(plugin_information_list[i].storageId, metaInfo.getStorageId().c_str(), sizeof(plugin_information_list[i].storageId) - 1);
strncpy(plugin_information_list[i].author, metaInfo.getAuthor().c_str(), sizeof(plugin_information_list[i].author) - 1);
strncpy(plugin_information_list[i].buildTimestamp, metaInfo.getBuildTimestamp().c_str(), sizeof(plugin_information_list[i].buildTimestamp) - 1);
strncpy(plugin_information_list[i].description, metaInfo.getDescription().c_str(), sizeof(plugin_information_list[i].description) - 1);
strncpy(plugin_information_list[i].name, metaInfo.getName().c_str(), sizeof(plugin_information_list[i].name) - 1);
strncpy(plugin_information_list[i].license, metaInfo.getLicense().c_str(), sizeof(plugin_information_list[i].license) - 1);
strncpy(plugin_information_list[i].version, metaInfo.getVersion().c_str(), sizeof(plugin_information_list[i].version) - 1);
plugin_information_list[i].size = metaInfo.getSize();
found = true;
break;
}
}
if (!found) {
DEBUG_FUNCTION_LINE_ERR("FAILED TO FIND CONTAINER FOR HANDLE %08X", handle);
}
}
} else {
DEBUG_FUNCTION_LINE_ERR("PLUGIN_BACKEND_API_ERROR_INVALID_ARG");
res = PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
return res;
}
extern "C" PluginBackendApiErrorType WUPSGetLoadedPlugins(wups_backend_plugin_container_handle *io_handles, uint32_t buffer_size, uint32_t *outSize, uint32_t *plugin_information_version) {
if (plugin_information_version == nullptr) {
return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
*plugin_information_version = WUPS_BACKEND_PLUGIN_INFORMATION_VERSION;
uint32_t counter = 0;
for (const auto &plugin : gLoadedPlugins) {
if (counter < buffer_size) {
io_handles[counter] = plugin.getHandle();
counter++;
} else {
break;
}
}
if (outSize != nullptr) {
*outSize = counter;
}
return PLUGIN_BACKEND_API_ERROR_NONE;
}
WUMS_EXPORT_FUNCTION(WUPSLoadPluginAsDataByPath);
WUMS_EXPORT_FUNCTION(WUPSLoadPluginAsDataByBuffer);
WUMS_EXPORT_FUNCTION(WUPSLoadPluginAsData);
WUMS_EXPORT_FUNCTION(WUPSLoadAndLinkByDataHandle);
WUMS_EXPORT_FUNCTION(WUPSDeletePluginData);
WUMS_EXPORT_FUNCTION(WUPSGetPluginMetaInformation);
WUMS_EXPORT_FUNCTION(WUPSGetPluginMetaInformationByPath);
WUMS_EXPORT_FUNCTION(WUPSGetPluginMetaInformationByBuffer);
WUMS_EXPORT_FUNCTION(WUPSGetMetaInformation);
WUMS_EXPORT_FUNCTION(WUPSGetLoadedPlugins);
WUMS_EXPORT_FUNCTION(WUPSGetPluginDataForContainerHandles);
// API 2.0
extern "C" PluginBackendApiErrorType WUPSGetAPIVersion(WUPSBackendAPIVersion *outVersion) {
if (outVersion == nullptr) {
return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
*outVersion = 3;
return PLUGIN_BACKEND_API_ERROR_NONE;
}
extern "C" PluginBackendApiErrorType WUPSGetNumberOfLoadedPlugins(uint32_t *outCount) {
if (outCount == nullptr) {
return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
*outCount = std::count_if(gLoadedPlugins.begin(), gLoadedPlugins.end(), [](const auto &cur) { return cur.isLinkedAndLoaded(); });
return PLUGIN_BACKEND_API_ERROR_NONE;
}
extern "C" PluginBackendApiErrorType WUPSGetSectionInformationForPlugin(const wups_backend_plugin_container_handle handle, wups_backend_plugin_section_info *plugin_section_list, const uint32_t buffer_size, uint32_t *out_count) {
PluginBackendApiErrorType res = PLUGIN_BACKEND_API_ERROR_NONE;
if (out_count != nullptr) {
*out_count = 0;
}
if (handle != 0 && plugin_section_list != nullptr && buffer_size != 0) {
bool found = false;
for (const auto &curContainer : gLoadedPlugins) {
if (!curContainer.isLinkedAndLoaded()) {
continue;
}
if (curContainer.getHandle() == handle) {
found = true;
const auto &sectionInfoList = curContainer.getPluginLinkInformation().getSectionInfoList();
uint32_t offset = 0;
for (auto const &sectionInfo : sectionInfoList | std::views::values) {
if (offset >= buffer_size) {
break;
}
plugin_section_list[offset].plugin_section_info_version = WUPS_BACKEND_PLUGIN_SECTION_INFORMATION_VERSION;
strncpy(plugin_section_list[offset].name, sectionInfo.getName().c_str(), sizeof(plugin_section_list[offset].name) - 1);
plugin_section_list[offset].address = reinterpret_cast<void *>(sectionInfo.getAddress());
plugin_section_list[offset].size = sectionInfo.getSize();
offset++;
}
if (out_count != nullptr) {
*out_count = offset;
}
break;
}
}
if (!found) {
res = PLUGIN_BACKEND_API_INVALID_HANDLE;
}
} else {
res = PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
return res;
}
extern "C" PluginBackendApiErrorType WUPSWillReloadPluginsOnNextLaunch(bool *out) {
if (out == nullptr) {
return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
std::lock_guard lock(gLoadedDataMutex);
*out = !gLoadOnNextLaunch.empty();
return PLUGIN_BACKEND_API_ERROR_NONE;
}
extern "C" PluginBackendApiErrorType WUPSGetSectionMemoryAddresses(const wups_backend_plugin_container_handle handle, void **textAddress, void **dataAddress) {
if (handle == 0 || textAddress == nullptr || dataAddress == nullptr) {
return PLUGIN_BACKEND_API_ERROR_INVALID_ARG;
}
for (const auto &curContainer : gLoadedPlugins) {
if (!curContainer.isLinkedAndLoaded()) {
continue;
}
if (curContainer.getHandle() == handle) {
*textAddress = static_cast<void *>(curContainer.getPluginLinkInformation().getTextMemory().data());
*dataAddress = static_cast<void *>(curContainer.getPluginLinkInformation().getDataMemory().data());
return PLUGIN_BACKEND_API_ERROR_NONE;
}
}
return PLUGIN_BACKEND_API_INVALID_HANDLE;
}
WUMS_EXPORT_FUNCTION(WUPSGetAPIVersion);
WUMS_EXPORT_FUNCTION(WUPSGetNumberOfLoadedPlugins);
WUMS_EXPORT_FUNCTION(WUPSGetSectionInformationForPlugin);
WUMS_EXPORT_FUNCTION(WUPSWillReloadPluginsOnNextLaunch);
WUMS_EXPORT_FUNCTION(WUPSGetSectionMemoryAddresses);
// API 3.0
extern "C" PluginBackendApiErrorType WUPSGetPluginMetaInformationByPathEx(wups_backend_plugin_information *output, const char *path, PluginBackendPluginParseError *err) {
return WUPSGetPluginMetaInformationEx(PLUGIN_INFORMATION_INPUT_TYPE_PATH, path, nullptr, 0, output, err);
}
extern "C" PluginBackendApiErrorType WUPSGetPluginMetaInformationByBufferEx(wups_backend_plugin_information *output, char *buffer, const size_t size, PluginBackendPluginParseError *err) {
return WUPSGetPluginMetaInformationEx(PLUGIN_INFORMATION_INPUT_TYPE_BUFFER, nullptr, buffer, size, output, err);
}
WUMS_EXPORT_FUNCTION(WUPSGetPluginMetaInformationByPathEx);
WUMS_EXPORT_FUNCTION(WUPSGetPluginMetaInformationByBufferEx);
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