boinc/installer/GuidHelper.cpp

50 lines
1.7 KiB
C++

// This file is part of BOINC.
// https://boinc.berkeley.edu
// Copyright (C) 2024 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
#include <sstream>
#include <iomanip>
#include <windows.h>
#include <objbase.h>
#include "GuidHelper.h"
std::string GuidHelper::generate_guid() {
GUID guid;
if (CoCreateGuid(&guid) != S_OK) {
throw std::runtime_error("Failed to create GUID");
}
std::ostringstream oss;
oss << std::uppercase << std::hex << std::setfill('0')
<< '{'
<< std::setw(8) << guid.Data1 << '-'
<< std::setw(4) << guid.Data2 << '-'
<< std::setw(4) << guid.Data3 << '-'
<< std::setw(2) << static_cast<int>(guid.Data4[0])
<< std::setw(2) << static_cast<int>(guid.Data4[1]) << '-'
<< std::setw(2) << static_cast<int>(guid.Data4[2])
<< std::setw(2) << static_cast<int>(guid.Data4[3])
<< std::setw(2) << static_cast<int>(guid.Data4[4])
<< std::setw(2) << static_cast<int>(guid.Data4[5])
<< std::setw(2) << static_cast<int>(guid.Data4[6])
<< std::setw(2) << static_cast<int>(guid.Data4[7])
<< '}';
return oss.str();
}