mirror of
https://github.com/boykopovar/AnyPS5.git
synced 2026-10-22 00:22:57 -05:00
milescovielloandClaude Opus 5.5
be17961e32
FreeBSD's fstat looks the descriptor up before it copies the result out, so a bad descriptor still fails with EBADF and an open one fails with EFAULT when sb is null. fstat and sceKernelFstat threw std::invalid_argument instead. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
#include "SceTypes.hpp"
|
|
#include "prx/libc/include/General.hpp"
|
|
#include "prx/libkernel/File/include/FileFlags.hpp"
|
|
|
|
#include <chrono>
|
|
#include <cstdint>
|
|
#include <cstdio>
|
|
#include <cstdlib>
|
|
#include <filesystem>
|
|
#include <fstream>
|
|
#include <string>
|
|
|
|
extern "C" {
|
|
std::int64_t APS5_VABI fstat_nid_disambig1_nid_postfix(int, FileStat*);
|
|
int APS5_VABI sceKernelFstat(int, FileStat*);
|
|
int APS5_VABI sceKernelOpen(const char*, int, std::uint16_t);
|
|
int APS5_VABI close_nid_postfix(int);
|
|
int APS5_VABI socketpair_nid_postfix(int, int, int, int*);
|
|
int* APS5_VABI __error_nid_postfix();
|
|
}
|
|
|
|
static void Check(bool value, int line) {
|
|
if (!value) {
|
|
std::fprintf(stderr, "fstat check failed at line %d\n", line);
|
|
std::abort();
|
|
}
|
|
}
|
|
#define Require(value) Check((value), __LINE__)
|
|
|
|
static constexpr int GuestEbadf = 9;
|
|
static constexpr int GuestEfault = 14;
|
|
|
|
static void RequireFailure(int descriptor, int error) {
|
|
*__error_nid_postfix() = 0;
|
|
Require(fstat_nid_disambig1_nid_postfix(descriptor, nullptr) == -1);
|
|
Require(*__error_nid_postfix() == error);
|
|
Require(sceKernelFstat(descriptor, nullptr) == static_cast<int>(0x80020000u | static_cast<unsigned>(error)));
|
|
}
|
|
|
|
int main() {
|
|
const auto root = std::filesystem::temp_directory_path() /
|
|
("anyps5-fstat-fault-" + std::to_string(std::chrono::steady_clock::now().time_since_epoch().count()));
|
|
Require(std::filesystem::create_directory(root));
|
|
{
|
|
std::ofstream file(root / "file.txt", std::ios::binary);
|
|
file << "fstat";
|
|
Require(static_cast<bool>(file));
|
|
}
|
|
|
|
AddPathAlias_nid_no_patch("/anyps5-fstat-fault-test", root.string().c_str());
|
|
const int file = sceKernelOpen("/anyps5-fstat-fault-test/file.txt", SCE_KERNEL_O_RDONLY, 0);
|
|
Require(file >= 0);
|
|
FileStat status{};
|
|
Require(fstat_nid_disambig1_nid_postfix(file, &status) == 0 && status.st_size == 5);
|
|
RequireFailure(file, GuestEfault);
|
|
|
|
int sockets[2];
|
|
Require(socketpair_nid_postfix(1, 1, 0, sockets) == 0);
|
|
RequireFailure(sockets[0], GuestEfault);
|
|
Require(close_nid_postfix(sockets[0]) == 0);
|
|
Require(close_nid_postfix(sockets[1]) == 0);
|
|
Require(close_nid_postfix(file) == 0);
|
|
#ifndef _WIN32
|
|
RequireFailure(file, GuestEbadf);
|
|
RequireFailure(-1, GuestEbadf);
|
|
#endif
|
|
|
|
std::filesystem::remove_all(root);
|
|
}
|