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/*
* This file is part of smolbote. It's copyrighted by the contributors recorded
* in the version control history of the file, available from its original
* location: https://library.iserlohn-fortress.net/aqua/smolbote.git
*
* SPDX-License-Identifier: GPL-3.0
*/
#include "filterlist.h"
#include <QIODevice>
#include <QTextStream>
using namespace Hostlist;
#ifdef FUZZER
extern "C" int LLVMFuzzerTestOneInput(const char *Data, long long Size)
{
Filterlist::parseRule(QString::fromLatin1(Data, Size));
return 0;
}
#endif
std::map<Filterlist::DomainHash, Filterlist::Rule> Filterlist::parseRule(const QString &line)
{
if(line.isEmpty() || line.at(0) == '#') {
return {};
}
auto parts = line.trimmed().split(' ');
if(parts.size() < 2) {
return {};
}
const auto redirect = (parts[0] == "0.0.0.0") ? QString() : parts[0];
std::map<DomainHash, Rule> r;
for(int i = 1; i < parts.size(); ++i) {
r.emplace(qHash(parts[i], 0), Filterlist::Rule{ parts[i], redirect });
}
return r;
}
bool Filterlist::load(QIODevice &from)
{
if(!from.isReadable() || !from.isTextModeEnabled()) {
return false;
}
while(from.bytesAvailable() > 0) {
const auto line = from.readLine(512).trimmed();
auto r = parseRule(line);
if(!r.empty()) {
qDebug("merging in %lu rules", r.size());
rules.merge(r);
}
}
return true;
}
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