Files
AnyPS5/core/libs/tests/GuestVrTracker2.cpp
T
hypermist 83043eede6 test(libSceVrTracker2): stop asserting that system modes throw
Remove the system-mode throw cases in GuestVrTracker2.cpp that tested
modes 1000 and 1001 throwing. Allocate a fresh temporary directory
atomically in EnterApplicationRoot without clobbering existing paths.
Update the debt entry without citing a source.

Assisted-by: Antigravity:gemini-3.8-flash-medium
2026-10-25 20:40:44 +13:00

262 lines
13 KiB
C++

#include "prx/libSceVrTracker2/include/Api.hpp"
#include "prx/libkernel/libkernel.hpp"
#include "ProcessParametersFixture.hpp"
#include <algorithm>
#include <array>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <filesystem>
#include <fstream>
#include <random>
#include <stdexcept>
#include <string>
#include <vector>
static_assert(sizeof(VrTracker2InitializeParameter) == 72);
namespace {
alignas(16) std::array<std::byte, 0x40> process{};
constexpr std::int32_t NotInitialized = static_cast<std::int32_t>(0x8A740001u);
constexpr std::int32_t InvalidArgument = static_cast<std::int32_t>(0x8A740006u);
constexpr std::uint32_t TrackerMemory = 32u << 20;
constexpr std::size_t WorkMemoryTail = 64u << 10;
void Require(bool condition, const char* message) {
if (!condition) {
std::fprintf(stderr, "VrTracker2: %s\n", message);
std::abort();
}
}
std::array<std::uint8_t, 32> Filled() {
std::array<std::uint8_t, 32> buffer{};
buffer.fill(0xAA);
return buffer;
}
bool AllEqual(const std::uint8_t* begin, const std::uint8_t* end, std::uint8_t value) {
for (; begin != end; ++begin)
if (*begin != value) return false;
return true;
}
template <typename TCall>
bool Throws(TCall call) {
try {
call();
} catch (const std::exception&) {
return true;
}
return false;
}
VrTracker2InitializeParameter TrackerParameter(std::vector<std::uint8_t>& memory) {
VrTracker2InitializeParameter parameter{};
parameter.size = sizeof(parameter);
parameter.threadPriorities[0] = 256;
parameter.threadPriorities[1] = 767;
parameter.threadAffinityMasks[0] = 0x1fff;
parameter.workMemory = memory.data();
parameter.workMemorySize = static_cast<std::uint32_t>(memory.size());
parameter.workMemoryAlignment = 0x10000;
return parameter;
}
bool WorkMemoryCleared(const std::vector<std::uint8_t>& memory) {
return AllEqual(memory.data(), memory.data() + TrackerMemory, 0) && AllEqual(memory.data() + TrackerMemory, memory.data() + memory.size(), 0xAA);
}
bool WorkMemoryUntouched(const std::vector<std::uint8_t>& memory) {
return AllEqual(memory.data(), memory.data() + memory.size(), 0xAA);
}
std::int32_t InitializeFresh(std::vector<std::uint8_t>& memory, const VrTracker2InitializeParameter& parameter) {
std::fill(memory.begin(), memory.end(), 0xAA);
return sceVrTracker2Initialize(&parameter);
}
void CheckInitializeValidation(std::vector<std::uint8_t>& memory) {
const auto valid = TrackerParameter(memory);
Require(sceVrTracker2Initialize(nullptr) == InvalidArgument, "initialize null");
for (const std::uint32_t size : {0u, 71u, 73u}) {
auto parameter = valid;
parameter.size = size;
parameter.mode = 1000;
Require(InitializeFresh(memory, parameter) == InvalidArgument, "initialize size before mode");
}
for (const std::uint32_t mode : {1u, 999u, 1002u, 0xffffffffu}) {
auto parameter = valid;
parameter.mode = mode;
Require(InitializeFresh(memory, parameter) == InvalidArgument, "initialize mode");
}
auto parameter = valid;
parameter.workMemory = nullptr;
Require(InitializeFresh(memory, parameter) == InvalidArgument, "initialize work memory null");
parameter = valid;
parameter.workMemorySize = TrackerMemory - 1;
Require(InitializeFresh(memory, parameter) == InvalidArgument, "initialize work memory size");
parameter = valid;
parameter.workMemoryAlignment = 0xffff;
Require(InitializeFresh(memory, parameter) == InvalidArgument, "initialize alignment");
for (std::size_t index = 0; index < sizeof(parameter.reserved); ++index) {
parameter = valid;
parameter.reserved[index] = 1;
Require(InitializeFresh(memory, parameter) == InvalidArgument, "initialize reserved byte");
}
for (std::size_t index = 0; index < 2; ++index) {
for (const std::int32_t priority : {255, 768, -1}) {
parameter = valid;
parameter.threadPriorities[index] = priority;
Require(InitializeFresh(memory, parameter) == InvalidArgument, "initialize thread priority");
}
for (const std::uint64_t mask : {std::uint64_t{0x2000}, std::uint64_t{0x3fff}, std::uint64_t{1} << 63}) {
parameter = valid;
parameter.threadAffinityMasks[index] = mask;
Require(InitializeFresh(memory, parameter) == InvalidArgument, "initialize affinity mask");
}
}
Require(WorkMemoryUntouched(memory), "initialize validation leaves work memory");
}
void CheckInitializeTracking(std::vector<std::uint8_t>& memory, std::uint32_t sdkVersion) {
const auto valid = TrackerParameter(memory);
Require(InitializeFresh(memory, valid) == -1, "initialize tracking start result");
Require(WorkMemoryCleared(memory), "initialize clears tracker memory");
Require(sceVrTracker2Finalize() == NotInitialized, "initialize failure leaves module uninitialized");
Require(VrTracker2NotInitialized() == NotInitialized, "initialize failure keeps uninitialized answers");
Require(InitializeFresh(memory, valid) == -1, "initialize retry after failure");
auto parameter = valid;
parameter.workMemoryAlignment = 0x10001;
parameter.option = 0xffffffffu;
parameter.coordinateSystem = 2;
parameter.disableOption = 1;
parameter.threadAffinityMasks[1] = 0x1fff;
Require(InitializeFresh(memory, parameter) == -1, "initialize late checks follow tracking");
for (const std::int8_t optionMode : {std::int8_t{-1}, std::int8_t{0}}) {
parameter = valid;
parameter.optionMode = optionMode;
Require(InitializeFresh(memory, parameter) == -1, "initialize accepted option mode");
}
for (const std::int8_t optionMode : {std::int8_t{2}, std::int8_t{-2}, std::int8_t{127}}) {
parameter = valid;
parameter.optionMode = optionMode;
Require(InitializeFresh(memory, parameter) == InvalidArgument, "initialize option mode");
Require(WorkMemoryCleared(memory), "initialize option mode follows clearing");
}
parameter = valid;
parameter.optionMode = 1;
Require(InitializeFresh(memory, parameter) == (sdkVersion >= 0x7000000 ? -1 : InvalidArgument), "initialize SDK option mode");
Require(sceVrTracker2Finalize() == NotInitialized, "initialize leaves module uninitialized");
}
std::filesystem::path EnterApplicationRoot() {
std::random_device device;
std::filesystem::path root;
do {
root = std::filesystem::temp_directory_path() /
("guest_vr_tracker2_" + std::to_string(getpid_nid_postfix()) + "_" + std::to_string(device()));
} while (!std::filesystem::create_directory(root));
std::filesystem::create_directories(root / "app0" / "sce_sys");
std::ofstream(root / "app0" / "sce_sys" / "param.json") << "{\n \"contentId\": \"IV0000-ABCD00000_00-VRTRACKER2000000\",\n \"localizedParameters\": {\"defaultLanguage\": \"en-US\", \"en-US\": {\"titleName\": \"VrTracker2\"}},\n \"titleId\": \"ABCD00000\"\n}\n";
std::filesystem::current_path(root);
return root;
}
}
int main() {
Require(VrTracker2NotInitialized() == NotInitialized, "plain export");
Require(sceVrTracker2Finalize() == NotInitialized, "named export");
auto wide = Filled();
Require(VrTracker2ClearWideResult(wide.data()) == NotInitialized, "wide result return");
Require(AllEqual(wide.data(), wide.data() + 24, 0) && AllEqual(wide.data() + 24, wide.data() + 32, 0xAA), "wide result clears 24 bytes");
Require(VrTracker2ClearWideResult(nullptr) == InvalidArgument, "wide result null");
auto narrow = Filled();
Require(VrTracker2ClearNarrowResult(narrow.data()) == NotInitialized, "narrow result return");
Require(AllEqual(narrow.data(), narrow.data() + 16, 0) && AllEqual(narrow.data() + 16, narrow.data() + 32, 0xAA), "narrow result clears 16 bytes");
Require(VrTracker2ClearNarrowResult(nullptr) == InvalidArgument, "narrow result null");
auto second = Filled();
Require(VrTracker2CheckSecondThenReportNotInitialized(nullptr, second.data()) == NotInitialized, "second checked, first null");
Require(VrTracker2CheckSecondThenReportNotInitialized(second.data(), nullptr) == InvalidArgument, "second null");
Require(AllEqual(second.data(), second.data() + 32, 0xAA), "second untouched");
Require(VrTracker2Accept() == 0, "accepting export");
auto defaults = Filled();
Require(VrTracker2FillDefaults(defaults.data()) == 0, "defaults return");
const std::array<std::uint8_t, 16> expected{0xAA, 0xAA, 0xAA, 0xAA, 0x00, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x00};
Require(std::memcmp(defaults.data(), expected.data(), expected.size()) == 0, "defaults layout");
Require(AllEqual(defaults.data() + 16, defaults.data() + 32, 0xAA), "defaults stop at 16 bytes");
Require(Throws([] { VrTracker2FillDefaults(nullptr); }), "defaults null");
auto word = Filled();
Require(VrTracker2ClearWord(word.data()) == 0, "clear word return");
Require(AllEqual(word.data(), word.data() + 4, 0) && AllEqual(word.data() + 4, word.data() + 32, 0xAA), "clear word clears 4 bytes");
Require(Throws([] { VrTracker2ClearWord(nullptr); }), "clear word null");
std::array<std::uint8_t, 40> parameter{};
parameter[0] = 0x20;
parameter.back() = 0xAA;
std::array<std::uint8_t, 40> requirement{};
requirement.fill(0xAA);
Require(sceVrTracker2QueryMemory(reinterpret_cast<const VrTracker2MemoryParameter*>(parameter.data()), reinterpret_cast<VrTracker2MemoryRequirement*>(requirement.data())) == 0, "query return");
const std::array<std::uint8_t, 12> fields{0x20, 0, 0, 0, 0, 0, 0, 0x02, 0, 0, 0x01, 0};
Require(std::memcmp(requirement.data(), fields.data(), fields.size()) == 0, "query fields");
Require(AllEqual(requirement.data() + 12, requirement.data() + 32, 0) && AllEqual(requirement.data() + 32, requirement.data() + 40, 0xAA), "query writes 32 bytes");
Require(sceVrTracker2QueryMemory(nullptr, reinterpret_cast<VrTracker2MemoryRequirement*>(requirement.data())) == InvalidArgument, "query null parameter");
Require(sceVrTracker2QueryMemory(reinterpret_cast<const VrTracker2MemoryParameter*>(parameter.data()), nullptr) == InvalidArgument, "query null requirement");
for (std::size_t offset = 4; offset < 32; ++offset) {
auto rejected = parameter;
rejected[offset] = 1;
requirement.fill(0xAA);
Require(sceVrTracker2QueryMemory(reinterpret_cast<const VrTracker2MemoryParameter*>(rejected.data()), reinterpret_cast<VrTracker2MemoryRequirement*>(requirement.data())) == InvalidArgument, "query reserved byte");
Require(AllEqual(requirement.data(), requirement.data() + 40, 0xAA), "query rejection leaves output");
}
const std::uint64_t processSize = process.size();
const std::uint32_t magic = 0x4942524f;
std::memcpy(process.data(), &processSize, sizeof(processSize));
std::memcpy(process.data() + 8, &magic, sizeof(magic));
Require(ProcessParametersFixture::Install(process.data(), process.size()), "process parameters");
for (const std::uint32_t version : {0u, 0xffffffu, 0x1000000u, 0x7000000u}) {
std::memcpy(process.data() + 0x10, &version, sizeof(version));
for (const std::uint32_t mode : {1000u, 1001u}) {
std::memcpy(parameter.data() + 4, &mode, sizeof(mode));
requirement.fill(0xAA);
const auto result = sceVrTracker2QueryMemory(reinterpret_cast<const VrTracker2MemoryParameter*>(parameter.data()), reinterpret_cast<VrTracker2MemoryRequirement*>(requirement.data()));
if (version < 0x1000000) {
Require(result == InvalidArgument, "query SDK restriction");
Require(AllEqual(requirement.data(), requirement.data() + requirement.size(), 0xAA), "SDK rejection preserves output");
} else {
Require(result == 0, "query alternate mode");
std::uint32_t memorySize;
std::memcpy(&memorySize, requirement.data() + 4, sizeof(memorySize));
Require(memorySize == (mode == 1000 ? 7u << 20 : 3u << 20), "query alternate memory size");
Require(AllEqual(requirement.data() + 12, requirement.data() + 32, 0), "query alternate reserved fields");
Require(AllEqual(requirement.data() + 32, requirement.data() + 40, 0xAA), "query alternate output boundary");
}
}
}
parameter[0] = 0x21;
Require(sceVrTracker2QueryMemory(reinterpret_cast<const VrTracker2MemoryParameter*>(parameter.data()), reinterpret_cast<VrTracker2MemoryRequirement*>(requirement.data())) == InvalidArgument, "query size");
std::vector<std::uint8_t> memory(TrackerMemory + WorkMemoryTail);
CheckInitializeValidation(memory);
const auto previous = std::filesystem::current_path();
const auto root = EnterApplicationRoot();
for (const std::uint32_t version : {0x6ffffffu, 0x7000000u}) {
std::memcpy(process.data() + 0x10, &version, sizeof(version));
CheckInitializeTracking(memory, version);
}
std::filesystem::current_path(previous);
std::filesystem::remove_all(root);
return 0;
}