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10 Commits

Author SHA1 Message Date
lizzie 42dc3ae3d3 ok but fixed for realsies? 2026-08-18 21:21:11 +02:00
lizzie b9c1b8c5e2 better ips layer 2026-08-18 21:21:11 +02:00
lizzie 08c7037454 ffs 2026-08-18 21:21:11 +02:00
lizzie 4010ad60c7 ok fix 2026-08-18 21:21:11 +02:00
lizzie bc082c47fa fx 2026-08-18 21:21:11 +02:00
lizzie 3636792b29 more typs 2026-08-18 21:21:11 +02:00
lizzie b39fde257b wa 2026-08-18 21:21:11 +02:00
lizzie 814268097b ips stuffs2 2026-08-18 21:21:11 +02:00
lizzie 61c57646ac qt fix for freebsd
Signed-off-by: lizzie <lizzie@eden-emu.dev>
2026-08-18 21:21:11 +02:00
lizzie f07d147579 [file_sys] rework IPS compiler
Signed-off-by: lizzie <lizzie@eden-emu.dev>
2026-08-18 21:21:11 +02:00
11 changed files with 1498 additions and 677 deletions
+17
View File
@@ -1267,6 +1267,23 @@ if (ARCHITECTURE_x86_64 OR ARCHITECTURE_arm64 OR ARCHITECTURE_riscv64 OR ARCHITE
target_link_libraries(core PRIVATE dynarmic::dynarmic)
endif()
target_sources(core PRIVATE hle/service/ssl/ssl_backend_openssl.cpp)
target_link_libraries(core PRIVATE OpenSSL::SSL OpenSSL::Crypto)
# TODO
# elseif (APPLE)
# target_sources(core PRIVATE
# hle/service/ssl/ssl_backend_securetransport.cpp)
# target_link_libraries(core PRIVATE "-framework Security")
# elseif (WIN32)
# target_sources(core PRIVATE
# hle/service/ssl/ssl_backend_schannel.cpp)
# target_link_libraries(core PRIVATE crypt32 secur32)
# else()
# target_sources(core PRIVATE
# hle/service/ssl/ssl_backend_none.cpp)
# endif()
create_target_directory_groups(core)
+160 -233
View File
@@ -3,10 +3,12 @@
#include <algorithm>
#include <cstring>
#include <map>
#include <sstream>
#include <string>
#include <utility>
#include <span>
#include <cctype>
#include <ankerl/unordered_dense.h>
#include "common/hex_util.h"
#include "common/logging.h"
@@ -22,61 +24,30 @@ enum class IPSFileType {
Error,
};
constexpr std::array<std::pair<const char*, const char*>, 11> ESCAPE_CHARACTER_MAP{{
{"\\a", "\a"},
{"\\b", "\b"},
{"\\f", "\f"},
{"\\n", "\n"},
{"\\r", "\r"},
{"\\t", "\t"},
{"\\v", "\v"},
{"\\\\", "\\"},
{"\\\'", "\'"},
{"\\\"", "\""},
{"\\\?", "\?"},
}};
static IPSFileType IdentifyMagic(const std::vector<u8>& magic) {
if (magic.size() != 5) {
return IPSFileType::Error;
static IPSFileType IdentifyMagic(std::span<const u8> magic) {
if (magic.size() >= 5) {
if (std::memcmp(magic.data(), "PATCH", 5) == 0)
return IPSFileType::IPS;
if (std::memcmp(magic.data(), "IPS32", 5) == 0)
return IPSFileType::IPS32;
}
static constexpr std::array<u8, 5> patch_magic{{'P', 'A', 'T', 'C', 'H'}};
if (std::equal(magic.begin(), magic.end(), patch_magic.begin())) {
return IPSFileType::IPS;
}
static constexpr std::array<u8, 5> ips32_magic{{'I', 'P', 'S', '3', '2'}};
if (std::equal(magic.begin(), magic.end(), ips32_magic.begin())) {
return IPSFileType::IPS32;
}
return IPSFileType::Error;
}
static bool IsEOF(IPSFileType type, const std::vector<u8>& data) {
static constexpr std::array<u8, 3> eof{{'E', 'O', 'F'}};
if (type == IPSFileType::IPS && std::equal(data.begin(), data.end(), eof.begin())) {
return true;
}
static constexpr std::array<u8, 4> eeof{{'E', 'E', 'O', 'F'}};
return type == IPSFileType::IPS32 && std::equal(data.begin(), data.end(), eeof.begin());
static bool IsEOF(IPSFileType type, std::span<const u8> magic) {
return (type == IPSFileType::IPS && magic.size() > 3 && std::memcmp(magic.data(), "EOF", 3) == 0)
|| (type == IPSFileType::IPS32 && magic.size() > 4 && std::memcmp(magic.data(), "EEOF", 4) == 0);
}
VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
if (in == nullptr || ips == nullptr)
return nullptr;
const auto type = IdentifyMagic(ips->ReadBytes(0x5));
auto in_data = in->ReadAllBytes();
auto const type = IdentifyMagic(in_data);
if (type == IPSFileType::Error)
return nullptr;
auto in_data = in->ReadAllBytes();
if (in_data.size() == 0) {
return nullptr;
}
std::vector<u8> temp(type == IPSFileType::IPS ? 3 : 4);
u64 offset = 5; // After header
while (ips->Read(temp.data(), temp.size(), offset) == temp.size()) {
@@ -85,12 +56,9 @@ VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
break;
}
u32 real_offset{};
if (type == IPSFileType::IPS32)
real_offset = (temp[0] << 24) | (temp[1] << 16) | (temp[2] << 8) | temp[3];
else
real_offset = (temp[0] << 16) | (temp[1] << 8) | temp[2];
u32 real_offset = (type == IPSFileType::IPS32)
? ((temp[0] << 24) | (temp[1] << 16) | (temp[2] << 8) | temp[3])
: ((temp[0] << 16) | (temp[1] << 8) | temp[2]);
if (real_offset > in_data.size()) {
return nullptr;
}
@@ -113,34 +81,35 @@ VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
return nullptr;
if (real_offset + rle_size > in_data.size())
rle_size = static_cast<u16>(in_data.size() - real_offset);
rle_size = u16(in_data.size() - real_offset);
std::memset(in_data.data() + real_offset, *data, rle_size);
} else { // Standard Patch
auto read = data_size;
if (real_offset + read > in_data.size())
read = static_cast<u16>(in_data.size() - real_offset);
read = u16(in_data.size() - real_offset);
if (ips->Read(in_data.data() + real_offset, read, offset) != data_size)
return nullptr;
offset += data_size;
}
}
if (!IsEOF(type, temp)) {
return nullptr;
if (IsEOF(type, temp)) {
return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(), in->GetContainingDirectory());
}
return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(),
in->GetContainingDirectory());
return nullptr;
}
struct IPSwitchRecord {
std::array<uint8_t, 256 - sizeof(size_t)> data;
size_t count;
};
struct IPSwitchCompiler::IPSwitchPatch {
std::string name;
ankerl::unordered_dense::map<u32, IPSwitchRecord> records;
bool enabled;
std::map<u32, std::vector<u8>> records;
};
IPSwitchCompiler::IPSwitchCompiler(VirtualFile patch_text_) : patch_text(std::move(patch_text_)) {
Parse();
Parse(patch_text->ReadAllBytes());
}
IPSwitchCompiler::~IPSwitchCompiler() = default;
@@ -149,201 +118,159 @@ std::array<u8, 32> IPSwitchCompiler::GetBuildID() const {
return nso_build_id;
}
bool IPSwitchCompiler::IsValid() const {
return valid;
}
static bool StartsWith(std::string_view base, std::string_view check) {
return base.size() >= check.size() && base.substr(0, check.size()) == check;
}
static std::string EscapeStringSequences(std::string in) {
for (const auto& seq : ESCAPE_CHARACTER_MAP) {
for (auto index = in.find(seq.first); index != std::string::npos;
index = in.find(seq.first, index)) {
in.replace(index, std::strlen(seq.first), seq.second);
index += std::strlen(seq.second);
static IPSwitchRecord EscapeStringSequences(std::string_view sv) {
IPSwitchRecord r{};
for (auto it = sv.cbegin(); it != sv.cend(); ) {
if (*it == '\\' && it + 1 < sv.cend()) {
switch (it[1]) {
case 'n': r.data[r.count] = '\n'; break;
case 't': r.data[r.count] = '\t'; break;
case 'b': r.data[r.count] = '\b'; break;
case 'r': r.data[r.count] = '\r'; break;
case 'e': r.data[r.count] = '\e'; break;
case 'v': r.data[r.count] = '\v'; break;
case '?': r.data[r.count] = '\?'; break;
default: r.data[r.count] = it[1]; break;
}
++r.count;
it += 2;
} else {
++r.count;
++it;
}
}
return in;
return r;
}
void IPSwitchCompiler::ParseFlag(const std::string& line) {
if (StartsWith(line, "@flag offset_shift ")) {
// Offset Shift Flag
offset_shift = std::strtoll(line.substr(19).c_str(), nullptr, 0);
} else if (StartsWith(line, "@little-endian")) {
// Set values to read as little endian
is_little_endian = true;
} else if (StartsWith(line, "@big-endian")) {
// Set values to read as big endian
is_little_endian = false;
} else if (StartsWith(line, "@flag print_values")) {
// Force printing of applied values
print_values = true;
}
[[nodiscard]] static inline std::array<u8, 32> ReadNSOBuildId(std::string_view const s) {
std::array<u8, 32> r{};
for (std::size_t i = 0; i < s.size(); ++i)
r[i / 2] |= u8(u8(Common::ToHexNibble(s[i])) << u8((i % 2) * 4));
return r;
}
void IPSwitchCompiler::Parse() {
const auto bytes = patch_text->ReadAllBytes();
std::stringstream s;
s.write(reinterpret_cast<const char*>(bytes.data()), bytes.size());
void IPSwitchCompiler::Parse(std::span<u8 const> bytes) {
LOG_INFO(Loader, "IPSwitchCompiler: '{}'", patch_text->GetName());
bool is_little_endian = false;
s64 offset_shift = 0;
//bool print_values = false;
std::vector<std::string> lines;
std::string stream_line;
while (std::getline(s, stream_line)) {
// Remove a trailing \r
if (!stream_line.empty() && stream_line.back() == '\r')
stream_line.pop_back();
lines.push_back(std::move(stream_line));
}
auto const parse_line = [&](std::string_view const line) {
// Keep in mind lines have trimmed spaces (at the end & start)!
LOG_INFO(Loader, "<{}>", line);
if (line.starts_with("@stop")) {
return false; // Force stop
} else if (line.starts_with("@nsobid-")) { // NSO Build ID Specifier
nso_build_id = ReadNSOBuildId(line.substr(8));
} else if (line.starts_with("@enabled")) {
patches.push_back({{}, true}); //enabled patch
} else if (line.starts_with("@disabled")) {
patches.push_back({{}, false}); //disabled patch
} else if (line.starts_with("@flag offset_shift ")) {
offset_shift = std::strtoll(line.data() + 19, nullptr, 0); // Offset Shift Flag
} else if (line.starts_with("@little-endian")) {
is_little_endian = true; // Set values to read as little endian
} else if (line.starts_with("@big-endian")) {
is_little_endian = false; // Set values to read as big endian
} else if (line.starts_with("@flag print_values")) {
//print_values = true; // Force printing of applied values
} else if (line.starts_with("@")) {
LOG_WARNING(Loader, "Unknown flag {}", line);
} else {
size_t offset = size_t(std::strtoul(line.data(), nullptr, 16));
offset += size_t(offset_shift);
if (auto const first_quote = line.find_first_of("\"\'"); first_quote != std::string::npos) {
// string replacement
char quote = line[first_quote];
auto const start = line.cbegin() + first_quote + 1;
auto end = start;
for (; end < line.cend() && *end != quote; )
end += (*end == '\\') ? 2 : 1;
if (start <= line.cend() && end <= line.cend()) {
LOG_INFO(Loader, "[S] value @ {:#08X} ", offset);
patches.back().records.insert_or_assign(u32(offset), EscapeStringSequences({start, end}));
} else {
LOG_WARNING(Loader, "invalid string");
}
} else if (auto const first_space = line.find_last_of(" /\t\r\n"); first_space != std::string::npos) {
IPSwitchRecord r{}; // hex replacement
auto const start = line.cbegin() + first_space + 1;
auto const end = line.cend();
if (start <= line.cend() && end <= line.cend()) {
auto const hs = Common::HexStringToVector({start, end}, is_little_endian);
std::memcpy(r.data.data(), hs.data(), hs.size());
r.count = hs.size();
LOG_INFO(Loader, "[H] value @ {:#08X}", offset);
patches.back().records.insert_or_assign(u32(offset), std::move(r));
} else {
LOG_WARNING(Loader, "invalid line");
}
} else {
LOG_WARNING(Loader, "unhandled line!");
}
}
return true; //continue
};
for (std::size_t i = 0; i < lines.size(); ++i) {
auto line = lines[i];
// Remove midline comments
std::size_t comment_index = std::string::npos;
bool within_string = false;
for (std::size_t k = 0; k < line.size(); ++k) {
if (line[k] == '\"' && (k > 0 && line[k - 1] != '\\')) {
within_string = !within_string;
} else if (line[k] == '\\' && (k < line.size() - 1 && line[k + 1] == '\\')) {
comment_index = k;
for (auto it = bytes.begin(); it < bytes.end(); ) {
auto const start = it;
auto end = start;
for (; end < bytes.end() && *end != '\n' && *end != '\r'; ++end)
;
it = end + 1; //prepare for next line
std::string_view const sline{
reinterpret_cast<const char*>(bytes.data() + std::distance(bytes.begin(), start)),
size_t(std::distance(start, end))
};
if (sline.size() > 0) {
auto p = sline.cbegin();
// skip space off line
for (; p < sline.cend() && std::isspace(*p); ++p)
;
// now make a nominal preprocessed line: remove comments
char quote = '\0';
auto const sline_start = p;
for (; p < sline.cend(); ) {
if ((!quote && p + 1 < sline.cend() && p[0] == '/' && p[1] == '/')
|| (!quote && p[0] == '#')) {
break;
} else if (p[0] == '\"' || p[0] == '\'') {
quote = (p[0] == quote) ? '\0' : p[0];
++p;
} else if (p + 1 < sline.cend() && p[0] == '\\') {
p += 2;
} else {
++p;
}
}
// now we have the preprocessed string ;)
std::string_view pp_str(sline_start, p);
if (pp_str.size() > 0 && !parse_line(pp_str)) {
break;
}
}
if (!StartsWith(line, "//") && comment_index != std::string::npos) {
last_comment = line.substr(comment_index + 2);
line = line.substr(0, comment_index);
}
if (StartsWith(line, "@stop")) {
// Force stop
break;
} else if (StartsWith(line, "@nsobid-")) {
// NSO Build ID Specifier
const auto raw_build_id = fmt::format("{:0<64}", line.substr(8));
nso_build_id = Common::HexStringToArray<0x20>(raw_build_id);
} else if (StartsWith(line, "#")) {
// Mandatory Comment
LOG_INFO(Loader, "[IPSwitchCompiler ('{}')] Forced output comment: {}",
patch_text->GetName(), line.substr(1));
} else if (StartsWith(line, "//")) {
// Normal Comment
last_comment = line.substr(2);
if (last_comment.find_first_not_of(' ') == std::string::npos)
continue;
if (last_comment.find_first_not_of(' ') != 0)
last_comment = last_comment.substr(last_comment.find_first_not_of(' '));
} else if (StartsWith(line, "@enabled") || StartsWith(line, "@disabled")) {
// Start of patch
const auto enabled = StartsWith(line, "@enabled");
if (i == 0)
return;
LOG_INFO(Loader, "[IPSwitchCompiler ('{}')] Parsing patch '{}' ({})",
patch_text->GetName(), last_comment, line.substr(1));
IPSwitchPatch patch{last_comment, enabled, {}};
// Read rest of patch
while (true) {
if (i + 1 >= lines.size()) {
break;
}
const auto& patch_line = lines[++i];
// Patch line may contain comments
if (StartsWith(patch_line, "//") || StartsWith(patch_line, "#")) {
continue;
}
// Start of new patch
if (StartsWith(patch_line, "@enabled") || StartsWith(patch_line, "@disabled")) {
--i;
break;
}
// Check for a flag
if (StartsWith(patch_line, "@")) {
ParseFlag(patch_line);
continue;
}
// 11 - 8 hex digit offset + space + minimum two digit overwrite val
if (patch_line.length() < 11)
break;
auto offset = std::strtoul(patch_line.substr(0, 8).c_str(), nullptr, 16);
offset += static_cast<unsigned long>(offset_shift);
std::vector<u8> replace;
// 9 - first char of replacement val
if (patch_line[9] == '\"') {
// string replacement
auto end_index = patch_line.find('\"', 10);
if (end_index == std::string::npos || end_index < 10)
return;
while (patch_line[end_index - 1] == '\\') {
end_index = patch_line.find('\"', end_index + 1);
if (end_index == std::string::npos || end_index < 10)
return;
}
auto value = patch_line.substr(10, end_index - 10);
value = EscapeStringSequences(value);
replace.reserve(value.size());
std::copy(value.begin(), value.end(), std::back_inserter(replace));
} else {
// hex replacement
const auto value =
patch_line.substr(9, patch_line.find_first_of(" /\r\n", 9) - 9);
replace = Common::HexStringToVector(value, is_little_endian);
}
if (print_values) {
LOG_INFO(Loader,
"[IPSwitchCompiler ('{}')] - Patching value at offset {:#08x} "
"with byte string '{}'",
patch_text->GetName(), offset, Common::HexToString(replace));
}
patch.records.insert_or_assign(static_cast<u32>(offset), std::move(replace));
}
patches.push_back(std::move(patch));
} else if (StartsWith(line, "@")) {
ParseFlag(line);
}
}
valid = true;
}
VirtualFile IPSwitchCompiler::Apply(const VirtualFile& in) const {
if (in == nullptr || !valid)
if (in == nullptr)
return nullptr;
auto in_data = in->ReadAllBytes();
for (const auto& patch : patches) {
if (!patch.enabled)
continue;
for (const auto& record : patch.records) {
if (record.first >= in_data.size())
continue;
auto replace_size = record.second.size();
if (record.first + replace_size > in_data.size())
replace_size = in_data.size() - record.first;
for (std::size_t i = 0; i < replace_size; ++i)
in_data[i + record.first] = record.second[i];
if (patch.enabled) {
for (const auto& record : patch.records) {
if (record.first < in_data.size()) {
auto replace_size = record.second.count;
if (record.first + replace_size > in_data.size())
replace_size = in_data.size() - record.first;
std::memcpy(in_data.data() + record.first, record.second.data.data(), replace_size);
}
}
}
}
return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(),
in->GetContainingDirectory());
return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(), in->GetContainingDirectory());
}
} // namespace FileSys
+5 -9
View File
@@ -1,11 +1,14 @@
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <memory>
#include <vector>
#include <span>
#include "common/common_types.h"
#include "core/file_sys/vfs/vfs.h"
@@ -20,24 +23,17 @@ public:
~IPSwitchCompiler();
std::array<u8, 0x20> GetBuildID() const;
bool IsValid() const;
VirtualFile Apply(const VirtualFile& in) const;
private:
struct IPSwitchPatch;
void ParseFlag(const std::string& flag);
void Parse();
bool valid = false;
void Parse(std::span<u8 const> bytes);
VirtualFile patch_text;
std::vector<IPSwitchPatch> patches;
std::array<u8, 0x20> nso_build_id{};
bool is_little_endian = false;
s64 offset_shift = 0;
bool print_values = false;
std::string last_comment = "";
};
} // namespace FileSys
+2 -9
View File
@@ -345,8 +345,7 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
return exefs;
}
std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualDir>& patch_dirs,
const std::string& build_id) const {
std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualDir>& patch_dirs, const std::string& build_id) const {
const auto& disabled = Settings::values.disabled_addons[title_id];
const auto nso_build_id = fmt::format("{:0<64}", build_id);
@@ -361,16 +360,11 @@ std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualD
for (const auto& file : exefs_dir->GetFiles()) {
if (file->GetExtension() == "ips") {
auto name = file->GetName();
const auto this_build_id =
fmt::format("{:0<64}", name.substr(0, name.find('.')));
const auto this_build_id = fmt::format("{:0<64}", name.substr(0, name.find('.')));
if (nso_build_id == this_build_id)
out.push_back(file);
} else if (file->GetExtension() == "pchtxt") {
IPSwitchCompiler compiler{file};
if (!compiler.IsValid())
continue;
const auto this_build_id = Common::HexToString(compiler.GetBuildID());
if (nso_build_id == this_build_id)
out.push_back(file);
@@ -378,7 +372,6 @@ std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualD
}
}
}
return out;
}
+29 -424
View File
@@ -4,18 +4,6 @@
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <mutex>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include <openssl/x509.h>
#ifdef YUZU_BUNDLED_OPENSSL
#include <openssl/cert.h>
#endif
#include "common/fs/file.h"
#include "common/hex_util.h"
#include "common/string_util.h"
#include "core/core.h"
@@ -34,377 +22,6 @@
namespace Service::SSL {
namespace {
std::once_flag one_time_init_flag;
bool one_time_init_success = false;
SSL_CTX* ssl_ctx = nullptr;
BIO_METHOD* bio_meth = nullptr;
Common::FS::IOFile key_log_file; // only open if SSLKEYLOGFILE set in environment
Result CheckOpenSSLErrors();
void OneTimeInit();
void OneTimeInitLogFile();
bool OneTimeInitBIO();
#ifdef YUZU_BUNDLED_OPENSSL
// This is ported from httplib
struct scope_exit {
explicit scope_exit(std::function<void(void)> &&f)
: exit_function(std::move(f)), execute_on_destruction{true} {}
scope_exit(scope_exit &&rhs) noexcept
: exit_function(std::move(rhs.exit_function)),
execute_on_destruction{rhs.execute_on_destruction} {
rhs.release();
}
~scope_exit() {
if (execute_on_destruction) { this->exit_function(); }
}
void release() { this->execute_on_destruction = false; }
private:
scope_exit(const scope_exit &) = delete;
void operator=(const scope_exit &) = delete;
scope_exit &operator=(scope_exit &&) = delete;
std::function<void(void)> exit_function;
bool execute_on_destruction;
};
inline X509_STORE *CreateCaCertStore(const char *ca_cert,
std::size_t size) {
auto mem = BIO_new_mem_buf(ca_cert, static_cast<int>(size));
auto se = scope_exit([&] { BIO_free_all(mem); });
if (!mem) { return nullptr; }
auto inf = PEM_X509_INFO_read_bio(mem, nullptr, nullptr, nullptr);
if (!inf) { return nullptr; }
auto cts = X509_STORE_new();
if (cts) {
for (auto i = 0; i < static_cast<int>(sk_X509_INFO_num(inf)); i++) {
auto itmp = sk_X509_INFO_value(inf, i);
if (!itmp) { continue; }
if (itmp->x509) { X509_STORE_add_cert(cts, itmp->x509); }
if (itmp->crl) { X509_STORE_add_crl(cts, itmp->crl); }
}
}
sk_X509_INFO_pop_free(inf, X509_INFO_free);
return cts;
}
inline void SetCaCertStore(SSL_CTX *ctx, X509_STORE *ca_cert_store) {
if (ca_cert_store) {
if (ctx) {
if (SSL_CTX_get_cert_store(ctx) != ca_cert_store) {
// Free memory allocated for old cert and use new store `ca_cert_store`
SSL_CTX_set_cert_store(ctx, ca_cert_store);
}
} else {
X509_STORE_free(ca_cert_store);
}
}
}
inline void LoadCaCertStore(SSL_CTX* ctx, const char* ca_cert, std::size_t size)
{
SetCaCertStore(ctx, CreateCaCertStore(ca_cert, size));
}
#endif
} // namespace
class SSLConnectionBackend final {
public:
Result Init() {
// on bundled OpenSSL, load ca cert store
#ifdef YUZU_BUNDLED_OPENSSL
LoadCaCertStore(ssl_ctx, kCert, sizeof(kCert));
#endif
std::call_once(one_time_init_flag, OneTimeInit);
if (!one_time_init_success) {
LOG_ERROR(Service_SSL, "Can't create SSL connection because OpenSSL one-time initialization failed");
return ResultInternalError;
}
ssl = SSL_new(ssl_ctx);
if (!ssl) {
LOG_ERROR(Service_SSL, "SSL_new failed");
return CheckOpenSSLErrors();
}
SSL_set_connect_state(ssl);
bio = BIO_new(bio_meth);
if (!bio) {
LOG_ERROR(Service_SSL, "BIO_new failed");
return CheckOpenSSLErrors();
}
BIO_set_data(bio, this);
BIO_set_init(bio, 1);
SSL_set_bio(ssl, bio, bio);
return ResultSuccess;
}
Result SetHostName(const std::string& hostname) {
if (!skip_cert_verification) {
if (!SSL_set1_host(ssl, hostname.c_str())) {
LOG_ERROR(Service_SSL, "SSL_set1_host({}) failed", hostname);
return CheckOpenSSLErrors();
}
}
if (!SSL_set_tlsext_host_name(ssl, hostname.c_str())) { // hostname for SNI
LOG_ERROR(Service_SSL, "SSL_set_tlsext_host_name({}) failed", hostname);
return CheckOpenSSLErrors();
}
return ResultSuccess;
}
void SetVerifyOption(u32 option) {
skip_cert_verification = (option == 0);
LOG_WARNING(Service_SSL, "option={} skip_verification={}", option,
skip_cert_verification);
if (skip_cert_verification) {
SSL_set_verify(ssl, SSL_VERIFY_NONE, nullptr);
SSL_set1_host(ssl, nullptr);
SSL_set_hostflags(ssl, 0);
} else {
SSL_set_verify(ssl, SSL_VERIFY_PEER, nullptr);
}
}
Result DoHandshake() {
SSL_set_verify_result(ssl, X509_V_OK);
const int ret = SSL_do_handshake(ssl);
if (!skip_cert_verification) {
const long verify_result = SSL_get_verify_result(ssl);
if (verify_result != X509_V_OK) {
LOG_ERROR(Service_SSL, "SSL cert verification failed because: {}",
X509_verify_cert_error_string(verify_result));
return CheckOpenSSLErrors();
}
}
if (ret <= 0) {
const int ssl_err = SSL_get_error(ssl, ret);
if (ssl_err == SSL_ERROR_ZERO_RETURN ||
(ssl_err == SSL_ERROR_SYSCALL && got_read_eof)) {
LOG_ERROR(Service_SSL, "SSL handshake failed because server hung up");
return ResultInternalError;
}
}
return HandleReturn("SSL_do_handshake", 0, ret);
}
Result HandleReturn(const char* what, size_t* actual, int ret) {
const int ssl_err = SSL_get_error(ssl, ret);
CheckOpenSSLErrors();
switch (ssl_err) {
case SSL_ERROR_NONE:
return ResultSuccess;
case SSL_ERROR_ZERO_RETURN:
LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_ZERO_RETURN", what);
// DoHandshake special-cases this, but for Read and Write:
*actual = 0;
return ResultSuccess;
case SSL_ERROR_WANT_READ:
LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_WANT_READ", what);
return ResultWouldBlock;
case SSL_ERROR_WANT_WRITE:
LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_WANT_WRITE", what);
return ResultWouldBlock;
default:
if (ssl_err == SSL_ERROR_SYSCALL && got_read_eof) {
LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_SYSCALL because server hung up", what);
*actual = 0;
return ResultSuccess;
}
LOG_ERROR(Service_SSL, "{} => other SSL_get_error return value {}", what, ssl_err);
return ResultInternalError;
}
}
~SSLConnectionBackend() {
// this is null-tolerant:
SSL_free(ssl);
}
static void KeyLogCallback(const ::SSL* ssl, const char* line) {
std::string str(line);
str.push_back('\n');
// Do this in a single WriteString for atomicity if multiple instances
// are running on different threads (though that can't currently
// happen).
if (key_log_file.WriteString(str) != str.size() || !key_log_file.Flush()) {
LOG_CRITICAL(Service_SSL, "Failed to write to SSLKEYLOGFILE");
}
LOG_DEBUG(Service_SSL, "Wrote to SSLKEYLOGFILE: {}", line);
}
static int WriteCallback(BIO* bio, const char* buf, size_t len, size_t* actual_p) {
auto self = static_cast<SSLConnectionBackend*>(BIO_get_data(bio));
ASSERT_OR_EXECUTE_MSG(
self->socket, { return 0; }, "OpenSSL asked to send but we have no socket");
BIO_clear_retry_flags(bio);
auto [actual, err] = self->socket->Send({reinterpret_cast<const u8*>(buf), len}, 0);
switch (err) {
case Network::Errno::SUCCESS:
*actual_p = actual;
return 1;
case Network::Errno::AGAIN:
BIO_set_flags(bio, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY);
return 0;
default:
LOG_ERROR(Service_SSL, "Socket send returned Network::Errno {}", err);
return -1;
}
}
static int ReadCallback(BIO* bio, char* buf, size_t len, size_t* actual_p) {
auto self = static_cast<SSLConnectionBackend*>(BIO_get_data(bio));
ASSERT_OR_EXECUTE_MSG(
self->socket, { return 0; }, "OpenSSL asked to recv but we have no socket");
BIO_clear_retry_flags(bio);
auto [actual, err] = self->socket->Recv(0, {reinterpret_cast<u8*>(buf), len});
switch (err) {
case Network::Errno::SUCCESS:
*actual_p = actual;
if (actual == 0) {
self->got_read_eof = true;
}
return actual ? 1 : 0;
case Network::Errno::AGAIN:
BIO_set_flags(bio, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);
return 0;
default:
LOG_ERROR(Service_SSL, "Socket recv returned Network::Errno {}", err);
return -1;
}
}
static long CtrlCallback(BIO* bio, int cmd, long l_arg, void* p_arg) {
switch (cmd) {
case BIO_CTRL_FLUSH:
// Nothing to flush.
return 1;
case BIO_CTRL_PUSH:
case BIO_CTRL_POP:
#ifdef BIO_CTRL_GET_KTLS_SEND
case BIO_CTRL_GET_KTLS_SEND:
case BIO_CTRL_GET_KTLS_RECV:
#endif
// We don't support these operations, but don't bother logging them
// as they're nothing unusual.
return 0;
default:
LOG_DEBUG(Service_SSL, "OpenSSL BIO got ctrl({}, {}, {})", cmd, l_arg, p_arg);
return 0;
}
}
::SSL* ssl = nullptr;
BIO* bio = nullptr;
bool got_read_eof = false;
bool skip_cert_verification = false;
std::shared_ptr<Network::SocketBase> socket;
};
namespace {
Result CreateSSLConnectionBackend(std::unique_ptr<SSLConnectionBackend>* out_backend) {
auto conn = std::make_unique<SSLConnectionBackend>();
R_TRY(conn->Init());
*out_backend = std::move(conn);
return ResultSuccess;
}
Result CheckOpenSSLErrors() {
unsigned long rc;
const char* file;
int line;
const char* func;
const char* data;
int flags;
#if OPENSSL_VERSION_NUMBER >= 0x30000000L
while ((rc = ERR_get_error_all(&file, &line, &func, &data, &flags)))
#else
// Can't get function names from OpenSSL on this version, so use mine:
func = __func__;
while ((rc = ERR_get_error_line_data(&file, &line, &data, &flags)))
#endif
{
std::string msg;
msg.resize(1024, '\0');
ERR_error_string_n(rc, msg.data(), msg.size());
msg.resize(strlen(msg.data()), '\0');
if (flags & ERR_TXT_STRING) {
msg.append(" | ");
msg.append(data);
}
Common::Log::FmtLogMessage(Common::Log::Class::Service_SSL, Common::Log::Level::Error,
file, line, func, "OpenSSL: {}",
msg);
}
return ResultInternalError;
}
void OneTimeInit() {
ssl_ctx = SSL_CTX_new(TLS_client_method());
if (!ssl_ctx) {
LOG_ERROR(Service_SSL, "SSL_CTX_new failed");
CheckOpenSSLErrors();
return;
}
SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, nullptr);
if (!SSL_CTX_set_default_verify_paths(ssl_ctx)) {
LOG_ERROR(Service_SSL, "SSL_CTX_set_default_verify_paths failed");
CheckOpenSSLErrors();
return;
}
OneTimeInitLogFile();
if (!OneTimeInitBIO()) {
return;
}
one_time_init_success = true;
}
void OneTimeInitLogFile() {
const char* logfile = getenv("SSLKEYLOGFILE");
if (logfile) {
key_log_file.Open(logfile, Common::FS::FileAccessMode::Append, Common::FS::FileType::TextFile, Common::FS::FileShareFlag::ShareWriteOnly);
if (key_log_file.IsOpen()) {
SSL_CTX_set_keylog_callback(ssl_ctx, &SSLConnectionBackend::KeyLogCallback);
} else {
LOG_CRITICAL(Service_SSL, "SSLKEYLOGFILE was set but file could not be opened; not logging keys!");
}
}
}
bool OneTimeInitBIO() {
bio_meth =
BIO_meth_new(BIO_get_new_index() | BIO_TYPE_SOURCE_SINK, "SSLConnectionBackend");
if (!bio_meth ||
!BIO_meth_set_write_ex(bio_meth, &SSLConnectionBackend::WriteCallback) ||
!BIO_meth_set_read_ex(bio_meth, &SSLConnectionBackend::ReadCallback) ||
!BIO_meth_set_ctrl(bio_meth, &SSLConnectionBackend::CtrlCallback)) {
LOG_ERROR(Service_SSL, "Failed to create BIO_METHOD");
return false;
}
return true;
}
} // namespace
// This is nn::ssl::sf::CertificateFormat
enum class CertificateFormat : u32 {
Pem = 1,
@@ -545,17 +162,20 @@ private:
auto const res_v = bsd->DuplicateSocketImpl(fd);
if (auto *res = std::get_if<s32>(&res_v)) {
const s32 dup_fd = *res;
*out_fd = do_not_close_socket ? dup_fd : -1;
if (!do_not_close_socket)
fd_to_close = dup_fd;
auto const sock = bsd->GetSocket(dup_fd);
const s32 duplicated_fd = *res;
if (do_not_close_socket) {
*out_fd = duplicated_fd;
} else {
*out_fd = -1;
fd_to_close = duplicated_fd;
}
std::optional<std::shared_ptr<Network::SocketBase>> sock = bsd->GetSocket(duplicated_fd);
if (!sock.has_value()) {
LOG_ERROR(Service_SSL, "invalid socket fd {} after duplication", dup_fd);
LOG_ERROR(Service_SSL, "invalid socket fd {} after duplication", duplicated_fd);
return ResultInvalidSocket;
}
socket = std::move(*sock);
backend->socket = std::move(socket);
backend->SetSocket(socket);
return ResultSuccess;
}
LOG_ERROR(Service_SSL, "Failed to duplicate socket with fd {}", fd);
@@ -569,11 +189,11 @@ private:
}
Result SetVerifyOptionImpl(u32 option) {
LOG_DEBUG(Service_SSL, "called. option={} (forcing 0)", option);
ASSERT(!did_handshake);
LOG_DEBUG(Service_SSL, "called. option={} (forcing 0)", option);
verify_option = 0;
backend->SetVerifyOption(0);
R_SUCCEED();
return ResultSuccess;
}
Result SetIoModeImpl(u32 input_mode) {
@@ -586,13 +206,13 @@ private:
if (error != Network::Errno::SUCCESS) {
LOG_ERROR(Service_SSL, "Failed to set native socket non-block flag to {}", non_block);
}
R_SUCCEED();
return ResultSuccess;
}
Result SetSessionCacheModeImpl(u32 mode) {
ASSERT(!did_handshake);
LOG_WARNING(Service_SSL, "(STUBBED) called. value={}", mode);
R_SUCCEED();
return ResultSuccess;
}
Result DoHandshakeImpl() {
@@ -614,17 +234,19 @@ private:
};
if (!get_server_cert_chain) {
// Just return the first one, unencoded.
ASSERT_OR_EXECUTE_MSG(!certs.empty(), { return {}; }, "Should be at least one server cert");
ASSERT_OR_EXECUTE_MSG(
!certs.empty(), { return {}; }, "Should be at least one server cert");
return certs[0];
}
std::vector<u8> ret;
Header header{0x4E4D684374726543, u32(certs.size()), 0};
Header header{0x4E4D684374726543, static_cast<u32>(certs.size()), 0};
ret.insert(ret.end(), reinterpret_cast<u8*>(&header), reinterpret_cast<u8*>(&header + 1));
size_t data_offset = sizeof(Header) + certs.size() * sizeof(EntryHeader);
for (auto& cert : certs) {
EntryHeader entry_header{u32(cert.size()), u32(data_offset)};
EntryHeader entry_header{static_cast<u32>(cert.size()), static_cast<u32>(data_offset)};
data_offset += cert.size();
ret.insert(ret.end(), reinterpret_cast<u8*>(&entry_header), reinterpret_cast<u8*>(&entry_header + 1));
ret.insert(ret.end(), reinterpret_cast<u8*>(&entry_header),
reinterpret_cast<u8*>(&entry_header + 1));
}
for (auto& cert : certs) {
ret.insert(ret.end(), cert.begin(), cert.end());
@@ -635,8 +257,7 @@ private:
Result ReadImpl(std::vector<u8>* out_data) {
ASSERT_OR_EXECUTE(did_handshake, { return ResultInternalError; });
size_t actual_size{};
const int ret = SSL_read_ex(backend->ssl, out_data->data(), out_data->size(), &actual_size);
Result res = backend->HandleReturn("SSL_read_ex", &actual_size, ret);
Result res = backend->Read(&actual_size, *out_data);
if (res != ResultSuccess) {
return res;
}
@@ -646,13 +267,12 @@ private:
Result WriteImpl(size_t* out_size, std::span<const u8> data) {
ASSERT_OR_EXECUTE(did_handshake, { return ResultInternalError; });
const int ret = SSL_write_ex(backend->ssl, data.data(), data.size(), out_size);
return backend->HandleReturn("SSL_write_ex", out_size, ret);
return backend->Write(out_size, data);
}
Result PendingImpl(s32* out_pending) {
LOG_WARNING(Service_SSL, "(STUBBED) called.");
*out_pending = SSL_pending(backend->ssl);
*out_pending = 0;
return ResultSuccess;
}
@@ -706,39 +326,24 @@ private:
OutputParameters out{};
if (res == ResultSuccess) {
std::vector<std::vector<u8>> certs;
STACK_OF(X509)* chain = SSL_get_peer_cert_chain(backend->ssl);
if (chain) {
int count = sk_X509_num(chain);
ASSERT(count >= 0);
for (int i = 0; i < count; i++) {
X509* x509 = sk_X509_value(chain, i);
ASSERT_OR_EXECUTE(x509 != nullptr, { continue; });
unsigned char* buf = nullptr;
int len = i2d_X509(x509, &buf);
ASSERT_OR_EXECUTE(len >= 0 && buf, { continue; });
certs.emplace_back(buf, buf + len);
OPENSSL_free(buf);
}
// succeed!
res = backend->GetServerCerts(&certs);
if (res == ResultSuccess) {
const std::vector<u8> certs_buf = SerializeServerCerts(certs);
if (ctx.CanWriteBuffer()) {
const size_t buffer_size = ctx.GetWriteBufferSize();
if (certs_buf.size() <= buffer_size) {
ctx.WriteBuffer(certs_buf);
} else {
LOG_WARNING(Service_SSL, "Certificate buffer too small: {} bytes needed, {} bytes available", certs_buf.size(), buffer_size);
LOG_WARNING(Service_SSL, "Certificate buffer too small: {} bytes needed, {} bytes available",
certs_buf.size(), buffer_size);
ctx.WriteBuffer(std::span<const u8>(certs_buf.data(), buffer_size));
}
} else {
LOG_DEBUG(Service_SSL, "No output buffer provided for certificates ({} bytes)", certs_buf.size());
}
out.certs_count = u32(certs.size());
out.certs_size = u32(certs_buf.size());
} else {
LOG_ERROR(Service_SSL, "SSL_get_peer_cert_chain returned nullptr");
res = ResultInternalError;
out.certs_count = static_cast<u32>(certs.size());
out.certs_size = static_cast<u32>(certs_buf.size());
}
}
IPC::ResponseBuilder rb{ctx, 4};
+14
View File
@@ -32,4 +32,18 @@ constexpr Result ResultInternalError{ErrorModule::SSLSrv, 999}; // made up
// polling for read (with a timeout).
constexpr Result ResultWouldBlock{ErrorModule::SSLSrv, 204};
class SSLConnectionBackend {
public:
virtual ~SSLConnectionBackend() {}
virtual void SetSocket(std::shared_ptr<Network::SocketBase> socket) = 0;
virtual Result SetHostName(const std::string& hostname) = 0;
virtual void SetVerifyOption(u32 option) = 0;
virtual Result DoHandshake() = 0;
virtual Result Read(size_t* out_size, std::span<u8> data) = 0;
virtual Result Write(size_t* out_size, std::span<const u8> data) = 0;
virtual Result GetServerCerts(std::vector<std::vector<u8>>* out_certs) = 0;
};
Result CreateSSLConnectionBackend(std::unique_ptr<SSLConnectionBackend>* out_backend);
} // namespace Service::SSL
@@ -0,0 +1,19 @@
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/logging.h"
#include "core/hle/service/ssl/ssl_backend.h"
namespace Service::SSL {
Result CreateSSLConnectionBackend(std::unique_ptr<SSLConnectionBackend>* out_backend) {
LOG_ERROR(Service_SSL,
"Can't create SSL connection because no SSL backend is available on this platform");
return ResultInternalError;
}
} // namespace Service::SSL
@@ -0,0 +1,450 @@
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <mutex>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include <openssl/x509.h>
#include "common/fs/file.h"
#include "common/hex_util.h"
#include "common/string_util.h"
#include "core/hle/service/ssl/ssl_backend.h"
#include "core/internal_network/network.h"
#include "core/internal_network/sockets.h"
#ifdef YUZU_BUNDLED_OPENSSL
#include <openssl/cert.h>
#endif
using namespace Common::FS;
namespace Service::SSL {
// Import OpenSSL's `SSL` type into the namespace. This is needed because the
// namespace is also named `SSL`.
using ::SSL;
namespace {
std::once_flag one_time_init_flag;
bool one_time_init_success = false;
SSL_CTX* ssl_ctx;
IOFile key_log_file; // only open if SSLKEYLOGFILE set in environment
BIO_METHOD* bio_meth;
Result CheckOpenSSLErrors();
void OneTimeInit();
void OneTimeInitLogFile();
bool OneTimeInitBIO();
#ifdef YUZU_BUNDLED_OPENSSL
// This is ported from httplib
struct scope_exit {
explicit scope_exit(std::function<void(void)> &&f)
: exit_function(std::move(f)), execute_on_destruction{true} {}
scope_exit(scope_exit &&rhs) noexcept
: exit_function(std::move(rhs.exit_function)),
execute_on_destruction{rhs.execute_on_destruction} {
rhs.release();
}
~scope_exit() {
if (execute_on_destruction) { this->exit_function(); }
}
void release() { this->execute_on_destruction = false; }
private:
scope_exit(const scope_exit &) = delete;
void operator=(const scope_exit &) = delete;
scope_exit &operator=(scope_exit &&) = delete;
std::function<void(void)> exit_function;
bool execute_on_destruction;
};
inline X509_STORE *CreateCaCertStore(const char *ca_cert,
std::size_t size) {
auto mem = BIO_new_mem_buf(ca_cert, static_cast<int>(size));
auto se = scope_exit([&] { BIO_free_all(mem); });
if (!mem) { return nullptr; }
auto inf = PEM_X509_INFO_read_bio(mem, nullptr, nullptr, nullptr);
if (!inf) { return nullptr; }
auto cts = X509_STORE_new();
if (cts) {
for (auto i = 0; i < static_cast<int>(sk_X509_INFO_num(inf)); i++) {
auto itmp = sk_X509_INFO_value(inf, i);
if (!itmp) { continue; }
if (itmp->x509) { X509_STORE_add_cert(cts, itmp->x509); }
if (itmp->crl) { X509_STORE_add_crl(cts, itmp->crl); }
}
}
sk_X509_INFO_pop_free(inf, X509_INFO_free);
return cts;
}
inline void SetCaCertStore(SSL_CTX *ctx, X509_STORE *ca_cert_store) {
if (ca_cert_store) {
if (ctx) {
if (SSL_CTX_get_cert_store(ctx) != ca_cert_store) {
// Free memory allocated for old cert and use new store `ca_cert_store`
SSL_CTX_set_cert_store(ctx, ca_cert_store);
}
} else {
X509_STORE_free(ca_cert_store);
}
}
}
inline void LoadCaCertStore(SSL_CTX* ctx, const char* ca_cert, std::size_t size)
{
SetCaCertStore(ctx, CreateCaCertStore(ca_cert, size));
}
#endif
} // namespace
class SSLConnectionBackendOpenSSL final : public SSLConnectionBackend {
public:
Result Init() {
// on bundled OpenSSL, load ca cert store
#ifdef YUZU_BUNDLED_OPENSSL
LoadCaCertStore(ssl_ctx, kCert, sizeof(kCert));
#endif
std::call_once(one_time_init_flag, OneTimeInit);
if (!one_time_init_success) {
LOG_ERROR(Service_SSL,
"Can't create SSL connection because OpenSSL one-time initialization failed");
return ResultInternalError;
}
ssl = SSL_new(ssl_ctx);
if (!ssl) {
LOG_ERROR(Service_SSL, "SSL_new failed");
return CheckOpenSSLErrors();
}
SSL_set_connect_state(ssl);
bio = BIO_new(bio_meth);
if (!bio) {
LOG_ERROR(Service_SSL, "BIO_new failed");
return CheckOpenSSLErrors();
}
BIO_set_data(bio, this);
BIO_set_init(bio, 1);
SSL_set_bio(ssl, bio, bio);
return ResultSuccess;
}
void SetSocket(std::shared_ptr<Network::SocketBase> socket_in) override {
socket = std::move(socket_in);
}
Result SetHostName(const std::string& hostname) override {
if (!skip_cert_verification) {
if (!SSL_set1_host(ssl, hostname.c_str())) {
LOG_ERROR(Service_SSL, "SSL_set1_host({}) failed", hostname);
return CheckOpenSSLErrors();
}
}
if (!SSL_set_tlsext_host_name(ssl, hostname.c_str())) { // hostname for SNI
LOG_ERROR(Service_SSL, "SSL_set_tlsext_host_name({}) failed", hostname);
return CheckOpenSSLErrors();
}
return ResultSuccess;
}
void SetVerifyOption(u32 option) override {
skip_cert_verification = (option == 0);
LOG_WARNING(Service_SSL, "option={} skip_verification={}", option,
skip_cert_verification);
if (skip_cert_verification) {
SSL_set_verify(ssl, SSL_VERIFY_NONE, nullptr);
SSL_set1_host(ssl, nullptr);
SSL_set_hostflags(ssl, 0);
} else {
SSL_set_verify(ssl, SSL_VERIFY_PEER, nullptr);
}
}
Result DoHandshake() override {
SSL_set_verify_result(ssl, X509_V_OK);
const int ret = SSL_do_handshake(ssl);
if (!skip_cert_verification) {
const long verify_result = SSL_get_verify_result(ssl);
if (verify_result != X509_V_OK) {
LOG_ERROR(Service_SSL, "SSL cert verification failed because: {}",
X509_verify_cert_error_string(verify_result));
return CheckOpenSSLErrors();
}
}
if (ret <= 0) {
const int ssl_err = SSL_get_error(ssl, ret);
if (ssl_err == SSL_ERROR_ZERO_RETURN ||
(ssl_err == SSL_ERROR_SYSCALL && got_read_eof)) {
LOG_ERROR(Service_SSL, "SSL handshake failed because server hung up");
return ResultInternalError;
}
}
return HandleReturn("SSL_do_handshake", 0, ret);
}
Result Read(size_t* out_size, std::span<u8> data) override {
const int ret = SSL_read_ex(ssl, data.data(), data.size(), out_size);
return HandleReturn("SSL_read_ex", out_size, ret);
}
Result Write(size_t* out_size, std::span<const u8> data) override {
const int ret = SSL_write_ex(ssl, data.data(), data.size(), out_size);
return HandleReturn("SSL_write_ex", out_size, ret);
}
Result HandleReturn(const char* what, size_t* actual, int ret) {
const int ssl_err = SSL_get_error(ssl, ret);
CheckOpenSSLErrors();
switch (ssl_err) {
case SSL_ERROR_NONE:
return ResultSuccess;
case SSL_ERROR_ZERO_RETURN:
LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_ZERO_RETURN", what);
// DoHandshake special-cases this, but for Read and Write:
*actual = 0;
return ResultSuccess;
case SSL_ERROR_WANT_READ:
LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_WANT_READ", what);
return ResultWouldBlock;
case SSL_ERROR_WANT_WRITE:
LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_WANT_WRITE", what);
return ResultWouldBlock;
default:
if (ssl_err == SSL_ERROR_SYSCALL && got_read_eof) {
LOG_DEBUG(Service_SSL, "{} => SSL_ERROR_SYSCALL because server hung up", what);
*actual = 0;
return ResultSuccess;
}
LOG_ERROR(Service_SSL, "{} => other SSL_get_error return value {}", what, ssl_err);
return ResultInternalError;
}
}
Result GetServerCerts(std::vector<std::vector<u8>>* out_certs) override {
STACK_OF(X509)* chain = SSL_get_peer_cert_chain(ssl);
if (!chain) {
LOG_ERROR(Service_SSL, "SSL_get_peer_cert_chain returned nullptr");
return ResultInternalError;
}
int count = sk_X509_num(chain);
ASSERT(count >= 0);
for (int i = 0; i < count; i++) {
X509* x509 = sk_X509_value(chain, i);
ASSERT_OR_EXECUTE(x509 != nullptr, { continue; });
unsigned char* buf = nullptr;
int len = i2d_X509(x509, &buf);
ASSERT_OR_EXECUTE(len >= 0 && buf, { continue; });
out_certs->emplace_back(buf, buf + len);
OPENSSL_free(buf);
}
return ResultSuccess;
}
~SSLConnectionBackendOpenSSL() {
// this is null-tolerant:
SSL_free(ssl);
}
static void KeyLogCallback(const SSL* ssl, const char* line) {
std::string str(line);
str.push_back('\n');
// Do this in a single WriteString for atomicity if multiple instances
// are running on different threads (though that can't currently
// happen).
if (key_log_file.WriteString(str) != str.size() || !key_log_file.Flush()) {
LOG_CRITICAL(Service_SSL, "Failed to write to SSLKEYLOGFILE");
}
LOG_DEBUG(Service_SSL, "Wrote to SSLKEYLOGFILE: {}", line);
}
static int WriteCallback(BIO* bio, const char* buf, size_t len, size_t* actual_p) {
auto self = static_cast<SSLConnectionBackendOpenSSL*>(BIO_get_data(bio));
ASSERT_OR_EXECUTE_MSG(
self->socket, { return 0; }, "OpenSSL asked to send but we have no socket");
BIO_clear_retry_flags(bio);
auto [actual, err] = self->socket->Send({reinterpret_cast<const u8*>(buf), len}, 0);
switch (err) {
case Network::Errno::SUCCESS:
*actual_p = actual;
return 1;
case Network::Errno::AGAIN:
BIO_set_flags(bio, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY);
return 0;
default:
LOG_ERROR(Service_SSL, "Socket send returned Network::Errno {}", err);
return -1;
}
}
static int ReadCallback(BIO* bio, char* buf, size_t len, size_t* actual_p) {
auto self = static_cast<SSLConnectionBackendOpenSSL*>(BIO_get_data(bio));
ASSERT_OR_EXECUTE_MSG(
self->socket, { return 0; }, "OpenSSL asked to recv but we have no socket");
BIO_clear_retry_flags(bio);
auto [actual, err] = self->socket->Recv(0, {reinterpret_cast<u8*>(buf), len});
switch (err) {
case Network::Errno::SUCCESS:
*actual_p = actual;
if (actual == 0) {
self->got_read_eof = true;
}
return actual ? 1 : 0;
case Network::Errno::AGAIN:
BIO_set_flags(bio, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);
return 0;
default:
LOG_ERROR(Service_SSL, "Socket recv returned Network::Errno {}", err);
return -1;
}
}
static long CtrlCallback(BIO* bio, int cmd, long l_arg, void* p_arg) {
switch (cmd) {
case BIO_CTRL_FLUSH:
// Nothing to flush.
return 1;
case BIO_CTRL_PUSH:
case BIO_CTRL_POP:
#ifdef BIO_CTRL_GET_KTLS_SEND
case BIO_CTRL_GET_KTLS_SEND:
case BIO_CTRL_GET_KTLS_RECV:
#endif
// We don't support these operations, but don't bother logging them
// as they're nothing unusual.
return 0;
default:
LOG_DEBUG(Service_SSL, "OpenSSL BIO got ctrl({}, {}, {})", cmd, l_arg, p_arg);
return 0;
}
}
SSL* ssl = nullptr;
BIO* bio = nullptr;
bool got_read_eof = false;
bool skip_cert_verification = false;
std::shared_ptr<Network::SocketBase> socket;
};
Result CreateSSLConnectionBackend(std::unique_ptr<SSLConnectionBackend>* out_backend) {
auto conn = std::make_unique<SSLConnectionBackendOpenSSL>();
R_TRY(conn->Init());
*out_backend = std::move(conn);
return ResultSuccess;
}
namespace {
Result CheckOpenSSLErrors() {
unsigned long rc;
const char* file;
int line;
const char* func;
const char* data;
int flags;
#if OPENSSL_VERSION_NUMBER >= 0x30000000L
while ((rc = ERR_get_error_all(&file, &line, &func, &data, &flags)))
#else
// Can't get function names from OpenSSL on this version, so use mine:
func = __func__;
while ((rc = ERR_get_error_line_data(&file, &line, &data, &flags)))
#endif
{
std::string msg;
msg.resize(1024, '\0');
ERR_error_string_n(rc, msg.data(), msg.size());
msg.resize(strlen(msg.data()), '\0');
if (flags & ERR_TXT_STRING) {
msg.append(" | ");
msg.append(data);
}
Common::Log::FmtLogMessage(Common::Log::Class::Service_SSL, Common::Log::Level::Error,
file, line, func, "OpenSSL: {}",
msg);
}
return ResultInternalError;
}
void OneTimeInit() {
ssl_ctx = SSL_CTX_new(TLS_client_method());
if (!ssl_ctx) {
LOG_ERROR(Service_SSL, "SSL_CTX_new failed");
CheckOpenSSLErrors();
return;
}
SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, nullptr);
if (!SSL_CTX_set_default_verify_paths(ssl_ctx)) {
LOG_ERROR(Service_SSL, "SSL_CTX_set_default_verify_paths failed");
CheckOpenSSLErrors();
return;
}
OneTimeInitLogFile();
if (!OneTimeInitBIO()) {
return;
}
one_time_init_success = true;
}
void OneTimeInitLogFile() {
const char* logfile = getenv("SSLKEYLOGFILE");
if (logfile) {
key_log_file.Open(logfile, FileAccessMode::Append, FileType::TextFile,
FileShareFlag::ShareWriteOnly);
if (key_log_file.IsOpen()) {
SSL_CTX_set_keylog_callback(ssl_ctx, &SSLConnectionBackendOpenSSL::KeyLogCallback);
} else {
LOG_CRITICAL(Service_SSL,
"SSLKEYLOGFILE was set but file could not be opened; not logging keys!");
}
}
}
bool OneTimeInitBIO() {
bio_meth =
BIO_meth_new(BIO_get_new_index() | BIO_TYPE_SOURCE_SINK, "SSLConnectionBackendOpenSSL");
if (!bio_meth ||
!BIO_meth_set_write_ex(bio_meth, &SSLConnectionBackendOpenSSL::WriteCallback) ||
!BIO_meth_set_read_ex(bio_meth, &SSLConnectionBackendOpenSSL::ReadCallback) ||
!BIO_meth_set_ctrl(bio_meth, &SSLConnectionBackendOpenSSL::CtrlCallback)) {
LOG_ERROR(Service_SSL, "Failed to create BIO_METHOD");
return false;
}
return true;
}
} // namespace
} // namespace Service::SSL
@@ -0,0 +1,563 @@
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <mutex>
#include "common/error.h"
#include "common/fs/file.h"
#include "common/hex_util.h"
#include "common/string_util.h"
#include "core/hle/service/ssl/ssl_backend.h"
#include "core/internal_network/network.h"
#include "core/internal_network/sockets.h"
namespace {
// These includes are inside the namespace to avoid a conflict on MinGW where
// the headers define an enum containing Network and Service as enumerators
// (which clash with the correspondingly named namespaces).
#define SECURITY_WIN32
#include <schnlsp.h>
#include <security.h>
#include <wincrypt.h>
std::once_flag one_time_init_flag;
bool one_time_init_success = false;
SCHANNEL_CRED schannel_cred{};
CredHandle cred_handle;
static void OneTimeInit() {
schannel_cred.dwVersion = SCHANNEL_CRED_VERSION;
schannel_cred.dwFlags =
SCH_USE_STRONG_CRYPTO | // don't allow insecure protocols
SCH_CRED_NO_SERVERNAME_CHECK | // don't validate server names
SCH_CRED_NO_DEFAULT_CREDS; // don't automatically present a client certificate
// ^ I'm assuming that nobody would want to connect Yuzu to a
// service that requires some OS-provided corporate client
// certificate, and presenting one to some arbitrary server
// might be a privacy concern? Who knows, though.
const SECURITY_STATUS ret =
AcquireCredentialsHandle(nullptr, const_cast<LPTSTR>(UNISP_NAME), SECPKG_CRED_OUTBOUND,
nullptr, &schannel_cred, nullptr, nullptr, &cred_handle, nullptr);
if (ret != SEC_E_OK) {
// SECURITY_STATUS codes are a type of HRESULT and can be used with NativeErrorToString.
LOG_ERROR(Service_SSL, "AcquireCredentialsHandle failed: {}",
Common::NativeErrorToString(ret));
return;
}
if (getenv("SSLKEYLOGFILE")) {
LOG_CRITICAL(Service_SSL, "SSLKEYLOGFILE was set but Schannel does not support exporting "
"keys; not logging keys!");
// Not fatal.
}
one_time_init_success = true;
}
} // namespace
namespace Service::SSL {
class SSLConnectionBackendSchannel final : public SSLConnectionBackend {
public:
Result Init() {
std::call_once(one_time_init_flag, OneTimeInit);
if (!one_time_init_success) {
LOG_ERROR(
Service_SSL,
"Can't create SSL connection because Schannel one-time initialization failed");
return ResultInternalError;
}
return ResultSuccess;
}
void SetSocket(std::shared_ptr<Network::SocketBase> socket_in) override {
socket = std::move(socket_in);
}
Result SetHostName(const std::string& hostname_in) override {
hostname = hostname_in;
return ResultSuccess;
}
void SetVerifyOption(u32 option) override {
skip_cert_verification = (option == 0);
LOG_WARNING(Service_SSL, "option={} skip_verification={}", option,
skip_cert_verification);
}
Result DoHandshake() override {
while (1) {
Result r;
switch (handshake_state) {
case HandshakeState::Initial:
if ((r = FlushCiphertextWriteBuf()) != ResultSuccess ||
(r = CallInitializeSecurityContext()) != ResultSuccess) {
return r;
}
// CallInitializeSecurityContext updated `handshake_state`.
continue;
case HandshakeState::ContinueNeeded:
case HandshakeState::IncompleteMessage:
if ((r = FlushCiphertextWriteBuf()) != ResultSuccess ||
(r = FillCiphertextReadBuf()) != ResultSuccess) {
return r;
}
if (ciphertext_read_buf.empty()) {
LOG_ERROR(Service_SSL, "SSL handshake failed because server hung up");
return ResultInternalError;
}
if ((r = CallInitializeSecurityContext()) != ResultSuccess) {
return r;
}
// CallInitializeSecurityContext updated `handshake_state`.
continue;
case HandshakeState::DoneAfterFlush:
if ((r = FlushCiphertextWriteBuf()) != ResultSuccess) {
return r;
}
handshake_state = HandshakeState::Connected;
return ResultSuccess;
case HandshakeState::Connected:
LOG_ERROR(Service_SSL, "Called DoHandshake but we already handshook");
return ResultInternalError;
case HandshakeState::Error:
return ResultInternalError;
}
}
}
Result FillCiphertextReadBuf() {
const size_t fill_size = read_buf_fill_size ? read_buf_fill_size : 4096;
read_buf_fill_size = 0;
// This unnecessarily zeroes the buffer; oh well.
const size_t offset = ciphertext_read_buf.size();
ASSERT_OR_EXECUTE(offset + fill_size >= offset, { return ResultInternalError; });
ciphertext_read_buf.resize(offset + fill_size, 0);
const auto read_span = std::span(ciphertext_read_buf).subspan(offset, fill_size);
const auto [actual, err] = socket->Recv(0, read_span);
switch (err) {
case Network::Errno::SUCCESS:
ASSERT(static_cast<size_t>(actual) <= fill_size);
ciphertext_read_buf.resize(offset + actual);
return ResultSuccess;
case Network::Errno::AGAIN:
ciphertext_read_buf.resize(offset);
return ResultWouldBlock;
default:
ciphertext_read_buf.resize(offset);
LOG_ERROR(Service_SSL, "Socket recv returned Network::Errno {}", err);
return ResultInternalError;
}
}
// Returns success if the write buffer has been completely emptied.
Result FlushCiphertextWriteBuf() {
while (!ciphertext_write_buf.empty()) {
const auto [actual, err] = socket->Send(ciphertext_write_buf, 0);
switch (err) {
case Network::Errno::SUCCESS:
ASSERT(static_cast<size_t>(actual) <= ciphertext_write_buf.size());
ciphertext_write_buf.erase(ciphertext_write_buf.begin(),
ciphertext_write_buf.begin() + actual);
break;
case Network::Errno::AGAIN:
return ResultWouldBlock;
default:
LOG_ERROR(Service_SSL, "Socket send returned Network::Errno {}", err);
return ResultInternalError;
}
}
return ResultSuccess;
}
Result CallInitializeSecurityContext() {
unsigned long req = ISC_REQ_ALLOCATE_MEMORY | ISC_REQ_CONFIDENTIALITY |
ISC_REQ_INTEGRITY | ISC_REQ_REPLAY_DETECT |
ISC_REQ_SEQUENCE_DETECT | ISC_REQ_STREAM |
ISC_REQ_USE_SUPPLIED_CREDS;
if (skip_cert_verification) {
req |= ISC_REQ_MANUAL_CRED_VALIDATION;
}
unsigned long attr;
// https://learn.microsoft.com/en-us/windows/win32/secauthn/initializesecuritycontext--schannel
std::array<SecBuffer, 2> input_buffers{{
// only used if `initial_call_done`
{
// [0]
.cbBuffer = static_cast<unsigned long>(ciphertext_read_buf.size()),
.BufferType = SECBUFFER_TOKEN,
.pvBuffer = ciphertext_read_buf.data(),
},
{
// [1] (will be replaced by SECBUFFER_MISSING when SEC_E_INCOMPLETE_MESSAGE is
// returned, or SECBUFFER_EXTRA when SEC_E_CONTINUE_NEEDED is returned if the
// whole buffer wasn't used)
.cbBuffer = 0,
.BufferType = SECBUFFER_EMPTY,
.pvBuffer = nullptr,
},
}};
std::array<SecBuffer, 2> output_buffers{{
{
.cbBuffer = 0,
.BufferType = SECBUFFER_TOKEN,
.pvBuffer = nullptr,
}, // [0]
{
.cbBuffer = 0,
.BufferType = SECBUFFER_ALERT,
.pvBuffer = nullptr,
}, // [1]
}};
SecBufferDesc input_desc{
.ulVersion = SECBUFFER_VERSION,
.cBuffers = static_cast<unsigned long>(input_buffers.size()),
.pBuffers = input_buffers.data(),
};
SecBufferDesc output_desc{
.ulVersion = SECBUFFER_VERSION,
.cBuffers = static_cast<unsigned long>(output_buffers.size()),
.pBuffers = output_buffers.data(),
};
ASSERT_OR_EXECUTE_MSG(
input_buffers[0].cbBuffer == ciphertext_read_buf.size(),
{ return ResultInternalError; }, "read buffer too large");
bool initial_call_done = handshake_state != HandshakeState::Initial;
if (initial_call_done) {
LOG_DEBUG(Service_SSL, "Passing {} bytes into InitializeSecurityContext",
ciphertext_read_buf.size());
}
char* hostname_ptr = hostname ? const_cast<char*>(hostname->c_str()) : nullptr;
const SECURITY_STATUS ret = InitializeSecurityContextA(
&cred_handle, initial_call_done ? &ctxt : nullptr, hostname_ptr, req,
0, // Reserved1
0, // TargetDataRep not used with Schannel
initial_call_done ? &input_desc : nullptr,
0, // Reserved2
initial_call_done ? nullptr : &ctxt, &output_desc, &attr,
nullptr); // ptsExpiry
if (output_buffers[0].pvBuffer) {
const std::span span(static_cast<u8*>(output_buffers[0].pvBuffer),
output_buffers[0].cbBuffer);
ciphertext_write_buf.insert(ciphertext_write_buf.end(), span.begin(), span.end());
FreeContextBuffer(output_buffers[0].pvBuffer);
}
if (output_buffers[1].pvBuffer) {
const std::span span(static_cast<u8*>(output_buffers[1].pvBuffer),
output_buffers[1].cbBuffer);
// The documentation doesn't explain what format this data is in.
LOG_DEBUG(Service_SSL, "Got a {}-byte alert buffer: {}", span.size(),
Common::HexToString(span));
}
switch (ret) {
case SEC_I_CONTINUE_NEEDED:
LOG_DEBUG(Service_SSL, "InitializeSecurityContext => SEC_I_CONTINUE_NEEDED");
if (input_buffers[1].BufferType == SECBUFFER_EXTRA) {
LOG_DEBUG(Service_SSL, "EXTRA of size {}", input_buffers[1].cbBuffer);
ASSERT(input_buffers[1].cbBuffer <= ciphertext_read_buf.size());
ciphertext_read_buf.erase(ciphertext_read_buf.begin(),
ciphertext_read_buf.end() - input_buffers[1].cbBuffer);
} else {
ASSERT(input_buffers[1].BufferType == SECBUFFER_EMPTY);
ciphertext_read_buf.clear();
}
handshake_state = HandshakeState::ContinueNeeded;
return ResultSuccess;
case SEC_E_INCOMPLETE_MESSAGE:
LOG_DEBUG(Service_SSL, "InitializeSecurityContext => SEC_E_INCOMPLETE_MESSAGE");
ASSERT(input_buffers[1].BufferType == SECBUFFER_MISSING);
read_buf_fill_size = input_buffers[1].cbBuffer;
handshake_state = HandshakeState::IncompleteMessage;
return ResultSuccess;
case SEC_E_OK:
LOG_DEBUG(Service_SSL, "InitializeSecurityContext => SEC_E_OK");
ciphertext_read_buf.clear();
handshake_state = HandshakeState::DoneAfterFlush;
return GrabStreamSizes();
default:
LOG_ERROR(Service_SSL,
"InitializeSecurityContext failed (probably certificate/protocol issue): {}",
Common::NativeErrorToString(ret));
handshake_state = HandshakeState::Error;
return ResultInternalError;
}
}
Result GrabStreamSizes() {
const SECURITY_STATUS ret =
QueryContextAttributes(&ctxt, SECPKG_ATTR_STREAM_SIZES, &stream_sizes);
if (ret != SEC_E_OK) {
LOG_ERROR(Service_SSL, "QueryContextAttributes(SECPKG_ATTR_STREAM_SIZES) failed: {}",
Common::NativeErrorToString(ret));
handshake_state = HandshakeState::Error;
return ResultInternalError;
}
return ResultSuccess;
}
Result Read(size_t* out_size, std::span<u8> data) override {
*out_size = 0;
if (handshake_state != HandshakeState::Connected) {
LOG_ERROR(Service_SSL, "Called Read but we did not successfully handshake");
return ResultInternalError;
}
if (data.size() == 0 || got_read_eof) {
return ResultSuccess;
}
while (1) {
if (!cleartext_read_buf.empty()) {
*out_size = (std::min)(cleartext_read_buf.size(), data.size());
std::memcpy(data.data(), cleartext_read_buf.data(), *out_size);
cleartext_read_buf.erase(cleartext_read_buf.begin(),
cleartext_read_buf.begin() + *out_size);
return ResultSuccess;
}
if (!ciphertext_read_buf.empty()) {
SecBuffer empty{
.cbBuffer = 0,
.BufferType = SECBUFFER_EMPTY,
.pvBuffer = nullptr,
};
std::array<SecBuffer, 5> buffers{{
{
.cbBuffer = static_cast<unsigned long>(ciphertext_read_buf.size()),
.BufferType = SECBUFFER_DATA,
.pvBuffer = ciphertext_read_buf.data(),
},
empty,
empty,
empty,
}};
ASSERT_OR_EXECUTE_MSG(
buffers[0].cbBuffer == ciphertext_read_buf.size(),
{ return ResultInternalError; }, "read buffer too large");
SecBufferDesc desc{
.ulVersion = SECBUFFER_VERSION,
.cBuffers = static_cast<unsigned long>(buffers.size()),
.pBuffers = buffers.data(),
};
SECURITY_STATUS ret =
DecryptMessage(&ctxt, &desc, /*MessageSeqNo*/ 0, /*pfQOP*/ nullptr);
switch (ret) {
case SEC_E_OK:
ASSERT_OR_EXECUTE(buffers[0].BufferType == SECBUFFER_STREAM_HEADER,
{ return ResultInternalError; });
ASSERT_OR_EXECUTE(buffers[1].BufferType == SECBUFFER_DATA,
{ return ResultInternalError; });
ASSERT_OR_EXECUTE(buffers[2].BufferType == SECBUFFER_STREAM_TRAILER,
{ return ResultInternalError; });
cleartext_read_buf.assign(static_cast<u8*>(buffers[1].pvBuffer),
static_cast<u8*>(buffers[1].pvBuffer) +
buffers[1].cbBuffer);
if (buffers[3].BufferType == SECBUFFER_EXTRA) {
ASSERT(buffers[3].cbBuffer <= ciphertext_read_buf.size());
ciphertext_read_buf.erase(ciphertext_read_buf.begin(),
ciphertext_read_buf.end() - buffers[3].cbBuffer);
} else {
ASSERT(buffers[3].BufferType == SECBUFFER_EMPTY);
ciphertext_read_buf.clear();
}
continue;
case SEC_E_INCOMPLETE_MESSAGE:
break;
case SEC_I_CONTEXT_EXPIRED:
// Server hung up by sending close_notify.
got_read_eof = true;
*out_size = 0;
return ResultSuccess;
default:
LOG_ERROR(Service_SSL, "DecryptMessage failed: {}",
Common::NativeErrorToString(ret));
return ResultInternalError;
}
}
const Result r = FillCiphertextReadBuf();
if (r != ResultSuccess) {
return r;
}
if (ciphertext_read_buf.empty()) {
got_read_eof = true;
*out_size = 0;
return ResultSuccess;
}
}
}
Result Write(size_t* out_size, std::span<const u8> data) override {
*out_size = 0;
if (handshake_state != HandshakeState::Connected) {
LOG_ERROR(Service_SSL, "Called Write but we did not successfully handshake");
return ResultInternalError;
}
if (data.size() == 0) {
return ResultSuccess;
}
data = data.subspan(0, std::min<size_t>(data.size(), stream_sizes.cbMaximumMessage));
if (!cleartext_write_buf.empty()) {
// Already in the middle of a write. It wouldn't make sense to not
// finish sending the entire buffer since TLS has
// header/MAC/padding/etc.
if (data.size() != cleartext_write_buf.size() ||
std::memcmp(data.data(), cleartext_write_buf.data(), data.size())) {
LOG_ERROR(Service_SSL, "Called Write but buffer does not match previous buffer");
return ResultInternalError;
}
return WriteAlreadyEncryptedData(out_size);
} else {
cleartext_write_buf.assign(data.begin(), data.end());
}
std::vector<u8> header_buf(stream_sizes.cbHeader, 0);
std::vector<u8> tmp_data_buf = cleartext_write_buf;
std::vector<u8> trailer_buf(stream_sizes.cbTrailer, 0);
std::array<SecBuffer, 3> buffers{{
{
.cbBuffer = stream_sizes.cbHeader,
.BufferType = SECBUFFER_STREAM_HEADER,
.pvBuffer = header_buf.data(),
},
{
.cbBuffer = static_cast<unsigned long>(tmp_data_buf.size()),
.BufferType = SECBUFFER_DATA,
.pvBuffer = tmp_data_buf.data(),
},
{
.cbBuffer = stream_sizes.cbTrailer,
.BufferType = SECBUFFER_STREAM_TRAILER,
.pvBuffer = trailer_buf.data(),
},
}};
ASSERT_OR_EXECUTE_MSG(
buffers[1].cbBuffer == tmp_data_buf.size(), { return ResultInternalError; },
"temp buffer too large");
SecBufferDesc desc{
.ulVersion = SECBUFFER_VERSION,
.cBuffers = static_cast<unsigned long>(buffers.size()),
.pBuffers = buffers.data(),
};
const SECURITY_STATUS ret = EncryptMessage(&ctxt, /*fQOP*/ 0, &desc, /*MessageSeqNo*/ 0);
if (ret != SEC_E_OK) {
LOG_ERROR(Service_SSL, "EncryptMessage failed: {}", Common::NativeErrorToString(ret));
return ResultInternalError;
}
ciphertext_write_buf.insert(ciphertext_write_buf.end(), header_buf.begin(),
header_buf.end());
ciphertext_write_buf.insert(ciphertext_write_buf.end(), tmp_data_buf.begin(),
tmp_data_buf.end());
ciphertext_write_buf.insert(ciphertext_write_buf.end(), trailer_buf.begin(),
trailer_buf.end());
return WriteAlreadyEncryptedData(out_size);
}
Result WriteAlreadyEncryptedData(size_t* out_size) {
const Result r = FlushCiphertextWriteBuf();
if (r != ResultSuccess) {
return r;
}
// write buf is empty
*out_size = cleartext_write_buf.size();
cleartext_write_buf.clear();
return ResultSuccess;
}
Result GetServerCerts(std::vector<std::vector<u8>>* out_certs) override {
PCCERT_CONTEXT returned_cert = nullptr;
const SECURITY_STATUS ret =
QueryContextAttributes(&ctxt, SECPKG_ATTR_REMOTE_CERT_CONTEXT, &returned_cert);
if (ret != SEC_E_OK) {
LOG_ERROR(Service_SSL,
"QueryContextAttributes(SECPKG_ATTR_REMOTE_CERT_CONTEXT) failed: {}",
Common::NativeErrorToString(ret));
return ResultInternalError;
}
PCCERT_CONTEXT some_cert = nullptr;
while ((some_cert = CertEnumCertificatesInStore(returned_cert->hCertStore, some_cert)) !=
nullptr) {
out_certs->emplace_back(static_cast<u8*>(some_cert->pbCertEncoded),
static_cast<u8*>(some_cert->pbCertEncoded) +
some_cert->cbCertEncoded);
}
std::reverse(out_certs->begin(),
out_certs->end()); // Windows returns certs in reverse order from what we want
CertFreeCertificateContext(returned_cert);
return ResultSuccess;
}
~SSLConnectionBackendSchannel() {
if (handshake_state != HandshakeState::Initial) {
DeleteSecurityContext(&ctxt);
}
}
enum class HandshakeState {
// Haven't called anything yet.
Initial,
// `SEC_I_CONTINUE_NEEDED` was returned by
// `InitializeSecurityContext`; must finish sending data (if any) in
// the write buffer, then read at least one byte before calling
// `InitializeSecurityContext` again.
ContinueNeeded,
// `SEC_E_INCOMPLETE_MESSAGE` was returned by
// `InitializeSecurityContext`; hopefully the write buffer is empty;
// must read at least one byte before calling
// `InitializeSecurityContext` again.
IncompleteMessage,
// `SEC_E_OK` was returned by `InitializeSecurityContext`; must
// finish sending data in the write buffer before having `DoHandshake`
// report success.
DoneAfterFlush,
// We finished the above and are now connected. At this point, writing
// and reading are separate 'state machines' represented by the
// nonemptiness of the ciphertext and cleartext read and write buffers.
Connected,
// Another error was returned and we shouldn't allow initialization
// to continue.
Error,
} handshake_state = HandshakeState::Initial;
CtxtHandle ctxt;
SecPkgContext_StreamSizes stream_sizes;
std::shared_ptr<Network::SocketBase> socket;
std::optional<std::string> hostname;
std::vector<u8> ciphertext_read_buf;
std::vector<u8> ciphertext_write_buf;
std::vector<u8> cleartext_read_buf;
std::vector<u8> cleartext_write_buf;
bool got_read_eof = false;
bool skip_cert_verification = false;
size_t read_buf_fill_size = 0;
};
Result CreateSSLConnectionBackend(std::unique_ptr<SSLConnectionBackend>* out_backend) {
auto conn = std::make_unique<SSLConnectionBackendSchannel>();
R_TRY(conn->Init());
*out_backend = std::move(conn);
return ResultSuccess;
}
} // namespace Service::SSL
@@ -0,0 +1,236 @@
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <mutex>
// SecureTransport has been deprecated in its entirety in favor of
// Network.framework, but that does not allow layering TLS on top of an
// arbitrary socket.
#if defined(__GNUC__) || defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#include <Security/SecureTransport.h>
#pragma GCC diagnostic pop
#endif
#include "core/hle/service/ssl/ssl_backend.h"
#include "core/internal_network/network.h"
#include "core/internal_network/sockets.h"
namespace {
template <typename T>
struct CFReleaser {
T ptr;
YUZU_NON_COPYABLE(CFReleaser);
constexpr CFReleaser() : ptr(nullptr) {}
constexpr CFReleaser(T ptr) : ptr(ptr) {}
constexpr operator T() {
return ptr;
}
~CFReleaser() {
if (ptr) {
CFRelease(ptr);
}
}
};
std::string CFStringToString(CFStringRef cfstr) {
CFReleaser<CFDataRef> cfdata(
CFStringCreateExternalRepresentation(nullptr, cfstr, kCFStringEncodingUTF8, 0));
ASSERT_OR_EXECUTE(cfdata, { return "???"; });
return std::string(reinterpret_cast<const char*>(CFDataGetBytePtr(cfdata)),
CFDataGetLength(cfdata));
}
std::string OSStatusToString(OSStatus status) {
CFReleaser<CFStringRef> cfstr(SecCopyErrorMessageString(status, nullptr));
if (!cfstr) {
return "[unknown error]";
}
return CFStringToString(cfstr);
}
} // namespace
namespace Service::SSL {
class SSLConnectionBackendSecureTransport final : public SSLConnectionBackend {
public:
Result Init() {
static std::once_flag once_flag;
std::call_once(once_flag, []() {
if (getenv("SSLKEYLOGFILE")) {
LOG_CRITICAL(Service_SSL, "SSLKEYLOGFILE was set but SecureTransport does not "
"support exporting keys; not logging keys!");
// Not fatal.
}
});
context.ptr = SSLCreateContext(nullptr, kSSLClientSide, kSSLStreamType);
if (!context) {
LOG_ERROR(Service_SSL, "SSLCreateContext failed");
return ResultInternalError;
}
OSStatus status;
if ((status = SSLSetIOFuncs(context, ReadCallback, WriteCallback)) ||
(status = SSLSetConnection(context, this))) {
LOG_ERROR(Service_SSL, "SSLContext initialization failed: {}",
OSStatusToString(status));
return ResultInternalError;
}
return ResultSuccess;
}
void SetSocket(std::shared_ptr<Network::SocketBase> in_socket) override {
socket = std::move(in_socket);
}
Result SetHostName(const std::string& hostname) override {
OSStatus status = SSLSetPeerDomainName(context, hostname.c_str(), hostname.size());
if (status) {
LOG_ERROR(Service_SSL, "SSLSetPeerDomainName failed: {}", OSStatusToString(status));
return ResultInternalError;
}
return ResultSuccess;
}
void SetVerifyOption(u32 option) override {
skip_cert_verification = (option == 0);
LOG_WARNING(Service_SSL, "option={} skip_verification={}", option,
skip_cert_verification);
if (skip_cert_verification) {
SSLSetSessionOption(context, kSSLSessionOptionBreakOnServerAuth, true);
}
}
Result DoHandshake() override {
OSStatus status = SSLHandshake(context);
if (skip_cert_verification && status == errSSLServerAuthCompleted) {
LOG_DEBUG(Service_SSL, "Skipping certificate verification as requested");
status = SSLHandshake(context);
}
return HandleReturn("SSLHandshake", 0, status);
}
Result Read(size_t* out_size, std::span<u8> data) override {
OSStatus status = SSLRead(context, data.data(), data.size(), out_size);
return HandleReturn("SSLRead", out_size, status);
}
Result Write(size_t* out_size, std::span<const u8> data) override {
OSStatus status = SSLWrite(context, data.data(), data.size(), out_size);
return HandleReturn("SSLWrite", out_size, status);
}
Result HandleReturn(const char* what, size_t* actual, OSStatus status) {
switch (status) {
case 0:
return ResultSuccess;
case errSSLWouldBlock:
return ResultWouldBlock;
default: {
std::string reason;
if (got_read_eof) {
reason = "server hung up";
} else {
reason = OSStatusToString(status);
}
LOG_ERROR(Service_SSL, "{} failed: {}", what, reason);
return ResultInternalError;
}
}
}
Result GetServerCerts(std::vector<std::vector<u8>>* out_certs) override {
CFReleaser<SecTrustRef> trust;
OSStatus status = SSLCopyPeerTrust(context, &trust.ptr);
if (status) {
LOG_ERROR(Service_SSL, "SSLCopyPeerTrust failed: {}", OSStatusToString(status));
return ResultInternalError;
}
for (CFIndex i = 0, count = SecTrustGetCertificateCount(trust); i < count; i++) {
SecCertificateRef cert = SecTrustGetCertificateAtIndex(trust, i);
CFReleaser<CFDataRef> data(SecCertificateCopyData(cert));
ASSERT_OR_EXECUTE(data, { return ResultInternalError; });
const u8* ptr = CFDataGetBytePtr(data);
out_certs->emplace_back(ptr, ptr + CFDataGetLength(data));
}
return ResultSuccess;
}
static OSStatus ReadCallback(SSLConnectionRef connection, void* data, size_t* dataLength) {
return ReadOrWriteCallback(connection, data, dataLength, true);
}
static OSStatus WriteCallback(SSLConnectionRef connection, const void* data,
size_t* dataLength) {
return ReadOrWriteCallback(connection, const_cast<void*>(data), dataLength, false);
}
static OSStatus ReadOrWriteCallback(SSLConnectionRef connection, void* data, size_t* dataLength,
bool is_read) {
auto self =
static_cast<SSLConnectionBackendSecureTransport*>(const_cast<void*>(connection));
ASSERT_OR_EXECUTE_MSG(
self->socket, { return 0; }, "SecureTransport asked to {} but we have no socket",
is_read ? "read" : "write");
// SecureTransport callbacks (unlike OpenSSL BIO callbacks) are
// expected to read/write the full requested dataLength or return an
// error, so we have to add a loop ourselves.
size_t requested_len = *dataLength;
size_t offset = 0;
while (offset < requested_len) {
std::span cur(reinterpret_cast<u8*>(data) + offset, requested_len - offset);
auto [actual, err] = is_read ? self->socket->Recv(0, cur) : self->socket->Send(cur, 0);
LOG_CRITICAL(Service_SSL, "op={}, offset={} actual={}/{} err={}", is_read, offset,
actual, cur.size(), static_cast<s32>(err));
switch (err) {
case Network::Errno::SUCCESS:
offset += actual;
if (actual == 0) {
ASSERT(is_read);
self->got_read_eof = true;
return errSecEndOfData;
}
break;
case Network::Errno::AGAIN:
*dataLength = offset;
return errSSLWouldBlock;
default:
LOG_ERROR(Service_SSL, "Socket {} returned Network::Errno {}",
is_read ? "recv" : "send", err);
return errSecIO;
}
}
ASSERT(offset == requested_len);
return 0;
}
private:
CFReleaser<SSLContextRef> context = nullptr;
bool got_read_eof = false;
bool skip_cert_verification = false;
std::shared_ptr<Network::SocketBase> socket;
};
Result CreateSSLConnectionBackend(std::unique_ptr<SSLConnectionBackend>* out_backend) {
auto conn = std::make_unique<SSLConnectionBackendSecureTransport>();
R_TRY(conn->Init());
*out_backend = std::move(conn);
return ResultSuccess;
}
} // namespace Service::SSL
+3 -2
View File
@@ -2,6 +2,7 @@
// SPDX-License-Identifier: GPL-3.0-or-later
#include <filesystem>
#include <system_error>
#include <JlCompress.h>
#include "frontend_common/mod_manager.h"
#include "mod.h"
@@ -124,8 +125,8 @@ const QString ExtractMod(const QString& path) {
fs::remove_all(tmp, ec);
if (!fs::create_directories(tmp, ec)) {
QtCommon::Frontend::Critical(tr("Mod Extract Failed"),
tr("Failed to create temporary directory %1")
.arg(QString::fromStdString(tmp.string())));
tr("Failed to create temporary directory %1")
.arg(QString::fromStdString(tmp.string())));
return QString();
}