winamp/Src/external_dependencies/openmpt-trunk/installer/updatesigntool/updatesigntool.cpp
2024-09-24 14:54:57 +02:00

207 lines
6.4 KiB
C++

#include "openmpt/all/BuildSettings.hpp"
#include "mpt/base/span.hpp"
#include "mpt/crypto/hash.hpp"
#include "mpt/crypto/jwk.hpp"
#include "mpt/environment/environment.hpp"
#include "mpt/exception_text/exception_text.hpp"
#include "mpt/io/base.hpp"
#include "mpt/io/io.hpp"
#include "mpt/io/io_stdstream.hpp"
#include "mpt/out_of_memory/out_of_memory.hpp"
#include "mpt/string/types.hpp"
#include "mpt/string_transcode/transcode.hpp"
#include "mpt/uuid/uuid.hpp"
#include "mpt/uuid_namespace/uuid_namespace.hpp"
#include "../common/mptBaseMacros.h"
#include "../common/mptBaseTypes.h"
#include "../common/mptBaseUtils.h"
#include "../common/mptStringFormat.h"
#include "../common/mptPathString.h"
#include "../common/mptFileIO.h"
#include "../common/Logging.h"
#include "../common/misc_util.h"
#include <exception>
#include <iostream>
#include <locale>
#include <optional>
#include <stdexcept>
#include <vector>
#if defined(MPT_BUILD_MSVC)
#if MPT_COMPILER_MSVC || MPT_COMPILER_CLANG
#pragma comment(lib, "bcrypt.lib")
#pragma comment(lib, "ncrypt.lib")
#pragma comment(lib, "rpcrt4.lib")
#pragma comment(lib, "shlwapi.lib")
#pragma comment(lib, "winmm.lib")
#endif // MPT_COMPILER_MSVC || MPT_COMPILER_CLANG
#endif // MPT_BUILD_MSVC
OPENMPT_NAMESPACE_BEGIN
using namespace mpt::uuid_literals;
#if defined(MPT_ASSERT_HANDLER_NEEDED) && defined(MPT_BUILD_UPDATESIGNTOOL)
MPT_NOINLINE void AssertHandler(const mpt::source_location &loc, const char *expr, const char *msg)
{
if(msg)
{
mpt::log::GlobalLogger().SendLogMessage(loc, LogError, "ASSERT",
MPT_USTRING("ASSERTION FAILED: ") + mpt::transcode<mpt::ustring>(mpt::common_encoding::ascii, msg) + MPT_USTRING(" (") + mpt::transcode<mpt::ustring>(mpt::common_encoding::ascii, expr) + MPT_USTRING(")")
);
} else
{
mpt::log::GlobalLogger().SendLogMessage(loc, LogError, "ASSERT",
MPT_USTRING("ASSERTION FAILED: ") + mpt::transcode<mpt::ustring>(mpt::common_encoding::ascii, expr)
);
}
}
#endif
namespace updatesigntool {
static mpt::ustring get_keyname(mpt::ustring keyname)
{
if(keyname == MPT_USTRING("auto"))
{
constexpr mpt::UUID ns = "9a88e12a-a132-4215-8bd0-3a002da65373"_uuid;
mpt::ustring computername = mpt::getenv(MPT_USTRING("COMPUTERNAME")).value_or(MPT_USTRING(""));
mpt::ustring username = mpt::getenv(MPT_USTRING("USERNAME")).value_or(MPT_USTRING(""));
mpt::ustring name = MPT_UFORMAT("host={} user={}")(computername, username);
mpt::UUID uuid = mpt::UUIDRFC4122NamespaceV5(ns, name);
keyname = MPT_UFORMAT("OpenMPT Update Signing Key {}")(uuid);
}
return keyname;
}
static void main(const std::vector<mpt::ustring> &args)
{
try
{
if(args.size() < 2)
{
throw std::invalid_argument("Usage: updatesigntool [dumpkey|sign] ...");
}
if(args[1] == MPT_USTRING(""))
{
throw std::invalid_argument("Usage: updatesigntool [dumpkey|sign] ...");
} else if(args[1] == MPT_USTRING("dumpkey"))
{
if(args.size() != 4)
{
throw std::invalid_argument("Usage: updatesigntool dumpkey KEYNAME FILENAME");
}
mpt::ustring keyname = get_keyname(args[2]);
mpt::ustring filename = args[3];
mpt::crypto::keystore keystore(mpt::crypto::keystore::domain::user);
mpt::crypto::asymmetric::rsassa_pss<>::managed_private_key key(keystore, keyname);
mpt::SafeOutputFile sfo(mpt::PathString::FromUnicode(filename));
mpt::ofstream & fo = sfo.stream();
mpt::IO::WriteText(fo, mpt::transcode<std::string>(mpt::common_encoding::utf8, key.get_public_key_data().as_jwk()));
fo.flush();
} else if(args[1] == MPT_USTRING("sign"))
{
if(args.size() != 6)
{
throw std::invalid_argument("Usage: updatesigntool sign [raw|jws_compact|jws] KEYNAME INPUTFILENAME OUTPUTFILENAME");
}
mpt::ustring mode = args[2];
mpt::ustring keyname = get_keyname(args[3]);
mpt::ustring inputfilename = args[4];
mpt::ustring outputfilename = args[5];
mpt::crypto::keystore keystore(mpt::crypto::keystore::domain::user);
mpt::crypto::asymmetric::rsassa_pss<>::managed_private_key key(keystore, keyname);
std::vector<std::byte> data;
{
mpt::ifstream fi(mpt::PathString::FromUnicode(inputfilename), std::ios::binary);
fi.imbue(std::locale::classic());
fi.exceptions(std::ios::badbit);
while(!mpt::IO::IsEof(fi))
{
std::array<std::byte, mpt::IO::BUFFERSIZE_TINY> buf;
mpt::append(data, mpt::IO::ReadRaw(fi, mpt::as_span(buf)));
}
}
if(mode == MPT_USTRING(""))
{
throw std::invalid_argument("Usage: updatesigntool sign [raw|jws_compact|jws] KEYNAME INPUTFILENAME OUTPUTFILENAME");
} else if(mode == MPT_USTRING("raw"))
{
std::vector<std::byte> signature = key.sign(mpt::as_span(data));
mpt::SafeOutputFile sfo(mpt::PathString::FromUnicode(outputfilename));
mpt::ofstream & fo = sfo.stream();
mpt::IO::WriteRaw(fo, mpt::as_span(signature));
fo.flush();
} else if(mode == MPT_USTRING("jws_compact"))
{
mpt::ustring signature = key.jws_compact_sign(mpt::as_span(data));
mpt::SafeOutputFile sfo(mpt::PathString::FromUnicode(outputfilename));
mpt::ofstream & fo = sfo.stream();
mpt::IO::WriteText(fo, mpt::transcode<std::string>(mpt::common_encoding::utf8, signature));
fo.flush();
} else if(mode == MPT_USTRING("jws"))
{
mpt::ustring signature = key.jws_sign(mpt::as_span(data));
mpt::SafeOutputFile sfo(mpt::PathString::FromUnicode(outputfilename));
mpt::ofstream & fo = sfo.stream();
mpt::IO::WriteText(fo, mpt::transcode<std::string>(mpt::common_encoding::utf8, signature));
fo.flush();
} else
{
throw std::invalid_argument("Usage: updatesigntool sign [raw|jws_compact|jws] KEYNAME INPUTFILENAME OUTPUTFILENAME");
}
} else
{
throw std::invalid_argument("Usage: updatesigntool [dumpkey|sign] ...");
}
} catch(const std::exception &e)
{
std::cerr << mpt::get_exception_text<std::string>(e) << std::endl;
throw;
}
}
} // namespace updatesigntool
OPENMPT_NAMESPACE_END
#if defined(WIN32) && defined(UNICODE)
int wmain(int argc, wchar_t *argv[])
#else
int main(int argc, char *argv[])
#endif
{
std::locale::global(std::locale(""));
std::vector<mpt::ustring> args;
for(int arg = 0; arg < argc; ++arg)
{
#if defined(WIN32) && defined(UNICODE)
args.push_back(mpt::transcode<mpt::ustring>(argv[arg]));
#else
args.push_back(mpt::transcode<mpt::ustring>(mpt::logical_encoding::locale, argv[arg]));
#endif
}
try
{
OPENMPT_NAMESPACE::updatesigntool::main(args);
} catch(...)
{
return 1;
}
return 0;
}