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- Made ipfilter.dat parser less sensitive to errors

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This commit is contained in:
Christophe Dumez 2007-03-26 14:45:09 +00:00
parent 86cfe82b89
commit 98ecb97790
1 changed files with 45 additions and 41 deletions
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86
src/options_imp.cpp
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@ -790,50 +790,54 @@ void options_imp::processFilterFile(const QString& filePath){
while (!file.atEnd()) {
++nbLine;
QByteArray line = file.readLine();
if(!line.startsWith('#') && !line.startsWith("//")){
// Line is not commented
QList<QByteArray> partsList = line.split(',');
unsigned int nbElem = partsList.size();
if(nbElem < 2){
std::cerr << "Ipfilter.dat: line " << nbLine << " is malformed.\n";
if(line.startsWith('#') || line.startsWith("//")) continue;
// Line is not commented
QList<QByteArray> partsList = line.split(',');
unsigned int nbElem = partsList.size();
if(nbElem < 2){
qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
continue;
}
bool ok;
int nbAccess = partsList.at(1).trimmed().toInt(&ok);
if(!ok){
qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
continue;
}
if(nbAccess <= 127){
QString strComment;
QString strStartIP = partsList.at(0).split('-').at(0).trimmed();
QString strEndIP = partsList.at(0).split('-').at(1).trimmed();
if(nbElem > 2){
strComment = partsList.at(2).trimmed();
}else{
strComment = QString();
}
// Split IP
IP = strStartIP.split('.');
if(IP.size() != 4){
qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
continue;
}
int nbAccess = partsList.at(1).trimmed().toInt();
if(nbAccess <= 127){
QString strComment;
QString strStartIP = partsList.at(0).split('-').at(0).trimmed();
QString strEndIP = partsList.at(0).split('-').at(1).trimmed();
if(nbElem > 2){
strComment = partsList.at(2).trimmed();
}else{
strComment = QString();
}
// Split IP
IP = strStartIP.split('.');
if(IP.size() != 4){
std::cerr << "Ipfilter.dat: line " << nbLine << ", first IP is malformed.\n";
continue;
}
address_v4 start((IP.at(0).toInt() << 24) + (IP.at(1).toInt() << 16) + (IP.at(2).toInt() << 8) + IP.at(3).toInt());
IP = strEndIP.split('.');
if(IP.size() != 4){
std::cerr << "Ipfilter.dat: line " << nbLine << ", second IP is malformed.\n";
continue;
}
address_v4 last((IP.at(0).toInt() << 24) + (IP.at(1).toInt() << 16) + (IP.at(2).toInt() << 8) + IP.at(3).toInt());
// add it to list
QStringList item(QString(start.to_string().c_str()));
item.append(QString(last.to_string().c_str()));
if(!i){
item.append("Manual");
}else{
item.append("ipfilter.dat");
}
item.append(strComment);
new QTreeWidgetItem(filtersList, item);
// Apply to bittorrent session
filter.add_rule(start, last, ip_filter::blocked);
address_v4 start((IP.at(0).toInt() << 24) + (IP.at(1).toInt() << 16) + (IP.at(2).toInt() << 8) + IP.at(3).toInt());
IP = strEndIP.split('.');
if(IP.size() != 4){
qDebug("Ipfilter.dat: line %d is malformed.", nbLine);
continue;
}
address_v4 last((IP.at(0).toInt() << 24) + (IP.at(1).toInt() << 16) + (IP.at(2).toInt() << 8) + IP.at(3).toInt());
// add it to list
QStringList item(QString(start.to_string().c_str()));
item.append(QString(last.to_string().c_str()));
if(!i){
item.append("Manual");
}else{
item.append("ipfilter.dat");
}
item.append(strComment);
new QTreeWidgetItem(filtersList, item);
// Apply to bittorrent session
filter.add_rule(start, last, ip_filter::blocked);
}
}
file.close();