Jonathan Naylor
4 months ago
parent
bb40aab1ea
commit
c4026492d4
@ -1,78 +0,0 @@
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/*
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* Copyright (C) 2010-2013,2015,2018 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include <cstdio>
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#include <filesystem>
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#include <curl/curl.h>
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#include "HostsFileDownloader.h"
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#include "Log.h"
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size_t CHostsFileDownloader::write_data(void *ptr, size_t size, size_t nmemb, FILE *stream)
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{
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size_t written = fwrite(ptr, size, nmemb, stream);
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return written;
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}
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bool CHostsFileDownloader::download(const std::string & hostsFileURL, const std::string & hostFilePath)
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{
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CURL *curl;
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FILE *fp;
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bool ok = false;
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std::string outFileName;
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char outFileNameBuf[] = "/tmp/HostFile_XXXXXX";
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CLog::logInfo("Downloading host file from %s", hostsFileURL.c_str());
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curl = curl_easy_init();
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if (curl) {
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int filedes = mkstemp(outFileNameBuf);
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if(filedes > 0 && (fp = fdopen(filedes,"wb")) != nullptr) {
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curl_easy_setopt(curl, CURLOPT_URL, hostsFileURL.c_str());
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
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CURLcode res = curl_easy_perform(curl);
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ok = res == 0;
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/* always cleanup */
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curl_easy_cleanup(curl);
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fclose(fp);
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}
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}
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if(ok) {
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outFileName = std::string(outFileNameBuf);
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try
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{
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std::filesystem::copy_file(outFileName, hostFilePath, std::filesystem::copy_options::overwrite_existing);
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}
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catch(std::filesystem::filesystem_error& e)
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{
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ok = false;
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CLog::logError("Failed to copy host file to %s: %s", hostFilePath.c_str(), e.what());
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}
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} else {
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CLog::logWarning("Failed to download Host file from %s, using previous file", hostsFileURL.c_str());
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}
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return ok;
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}
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@ -1,30 +0,0 @@
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/*
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* Copyright (c) 2021 by Geoffrey Merck F4FXL / KC3FRA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#pragma once
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#include <string>
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class CHostsFileDownloader {
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public:
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static bool download(const std::string & hostsFileURL, const std::string & hostFilePath);
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private:
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static size_t write_data(void *ptr, size_t size, size_t nmemb, FILE *stream);
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};
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