113 lines
4.3 KiB
C++
113 lines
4.3 KiB
C++
#include "SceTypes.hpp"
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#include "prx/libc/include/general/VabiMacros.hpp"
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#include <chrono>
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#include <cstdio>
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#include <cstdlib>
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#include <filesystem>
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#include <fstream>
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#include <iterator>
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#include <string>
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#include <vector>
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#ifdef _WIN32
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#include <windows.h>
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#endif
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extern "C" {
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int APS5_VABI sceSaveDataInitialize3(const void*);
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int APS5_VABI sceSaveDataTerminate();
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int APS5_VABI sceSaveDataSetupSaveDataMemory2(const SaveDataMemorySetup2*, SaveDataMemorySetupResult*);
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}
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static void Check(bool value, int line) {
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if (!value) {
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std::fprintf(stderr, "Save-data memory growth check failed at line %d\n", line);
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std::abort();
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}
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}
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#define Require(value) Check((value), __LINE__)
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static std::vector<char> Read(const std::filesystem::path& path) {
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std::ifstream file(path, std::ios::binary);
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Require(file.is_open());
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return {std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>()};
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}
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int main(int argc, char**) {
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const auto previousDirectory = std::filesystem::current_path();
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const auto root = std::filesystem::temp_directory_path() /
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("anyps5-save-growth-" + std::to_string(std::chrono::steady_clock::now().time_since_epoch().count()));
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Require(std::filesystem::create_directory(root));
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std::filesystem::current_path(root);
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const auto path = std::filesystem::path("_sd_mem/u7531/slot0.bin");
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std::filesystem::create_directories(path.parent_path());
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const std::vector<char> original{'s', 'a', 'v', 'e', '\0', '\x7f'};
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{
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std::ofstream file(path, std::ios::binary);
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file.write(original.data(), static_cast<std::streamsize>(original.size()));
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Require(static_cast<bool>(file));
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}
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Require(sceSaveDataInitialize3(nullptr) == 0);
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SaveDataMemorySetup2 setup{};
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setup.user_id = 7531;
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setup.memory_size = original.size() + 5;
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SaveDataMemorySetupResult result{};
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int exitCode = 0;
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if (argc > 1) {
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SaveDataParam param{};
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setup.option = 1;
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setup.init_param = ¶m;
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result.existed_memory_size = 123;
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#ifdef _WIN32
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HANDLE lock = CreateFileW(path.c_str(), GENERIC_WRITE, FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
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Require(lock != INVALID_HANDLE_VALUE);
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#else
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const auto permissions = std::filesystem::status(path).permissions();
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std::filesystem::permissions(path, std::filesystem::perms::owner_write);
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#endif
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const bool readable = static_cast<bool>(std::ifstream(path, std::ios::binary));
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int status = 0;
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if (!readable) {
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Require(std::filesystem::is_regular_file(path));
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Require(std::filesystem::file_size(path) == original.size());
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status = sceSaveDataSetupSaveDataMemory2(&setup, &result);
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}
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#ifdef _WIN32
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Require(CloseHandle(lock) != 0);
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Require(!readable);
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#else
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std::filesystem::permissions(path, permissions);
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#endif
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if (readable) {
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std::fprintf(stderr, "Read denial unavailable for this user\n");
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exitCode = 77;
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} else {
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Require(Read(path) == original);
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Require(status == static_cast<int>(0x809F000Bu));
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Require(result.existed_memory_size == 123);
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Require(!std::filesystem::exists("_sd_mem/u7531/slot0.param"));
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Require(!std::filesystem::exists(path.string() + ".tmp"));
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}
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} else {
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Require(sceSaveDataSetupSaveDataMemory2(&setup, &result) == 0);
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Require(result.existed_memory_size == original.size());
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auto expected = original;
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expected.resize(setup.memory_size, 0);
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Require(Read(path) == expected);
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Require(sceSaveDataSetupSaveDataMemory2(&setup, &result) == 0);
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Require(result.existed_memory_size == expected.size());
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Require(Read(path) == expected);
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setup.memory_size = 2;
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Require(sceSaveDataSetupSaveDataMemory2(&setup, &result) == 0);
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Require(Read(path) == expected);
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setup.slot_id = 1;
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Require(sceSaveDataSetupSaveDataMemory2(&setup, &result) == 0);
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Require(result.existed_memory_size == 0);
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Require(Read("_sd_mem/u7531/slot1.bin") == std::vector<char>(2, 0));
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}
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Require(sceSaveDataTerminate() == 0);
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std::filesystem::current_path(previousDirectory);
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std::filesystem::remove_all(root);
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return exitCode;
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}
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