Robin Davies
77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2022 Robin E. R. Davies
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "DeviceIdFile.hpp"
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#include <fstream>
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#include <stdexcept>
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#include <grp.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <tuple>
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using namespace pipedal;
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using namespace std;
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const char DeviceIdFile::DEVICEID_FILE_NAME[] = "/etc/pipedal/config/device_uuid";
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void DeviceIdFile::Load()
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{
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ifstream f;
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f.open(DEVICEID_FILE_NAME);
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if (!f.is_open())
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{
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throw invalid_argument("Can't open file " + std::string(DEVICEID_FILE_NAME));
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}
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std::getline(f, uuid);
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std::getline(f, deviceName);
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}
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void DeviceIdFile::Save()
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{
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{
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std::string path = DEVICEID_FILE_NAME;
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ofstream f;
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f.open(path, ios_base::trunc);
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if (!f.is_open())
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{
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throw invalid_argument("Can't write to file " + path);
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}
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struct group *group_;
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group_ = getgrnam("pipedal_d");
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if (group_ == nullptr)
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{
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throw logic_error("Group not found: pipedal_d");
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}
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std::ignore = chown(path.c_str(),-1,group_->gr_gid);
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std::ignore = chmod(path.c_str(), S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH);
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f << uuid << endl;
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f << deviceName << endl;
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}
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} |