File indexing completed on 2024-04-21 16:32:41

 /*
     SPDX-FileCopyrightText: 2001 Shie Erlich <krusader@users.sourceforge.net>
     SPDX-FileCopyrightText: 2001 Rafi Yanai <krusader@users.sourceforge.net>
     SPDX-FileCopyrightText: 2004-2022 Krusader Krew <https://krusader.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "kr7zencryptionchecker.h"
 
 Kr7zEncryptionChecker::Kr7zEncryptionChecker()
     : encrypted(false)
     , lastData()
 {
     setOutputChannelMode(KProcess::SeparateChannels); // without this output redirection has no effect!
     connect(this, &Kr7zEncryptionChecker::readyReadStandardOutput, this, [=]() {
         receivedOutput();
     });
 }
 
 void Kr7zEncryptionChecker::setupChildProcess()
 {
     // This function is called after the fork but for the exec. We create a process group
     // to work around a broken wrapper script of 7z. Without this only the wrapper is killed.
     setsid(); // make this process leader of a new process group
 }
 
 void Kr7zEncryptionChecker::receivedOutput()
 {
     // Reminder: If that function is modified, it's important to research if the
     // changes must also be applied to `kio_krarcProtocol::check7zOutputForPassword()`
 
     QString data = QString::fromLocal8Bit(this->readAllStandardOutput());
 
     QString checkable = lastData + data;
 
     QStringList lines = checkable.split('\n');
     lastData = lines[lines.count() - 1];
     for (int i = 0; i != lines.count(); i++) {
         QString line = lines[i].trimmed().toLower();
         int ndx = line.indexOf("listing"); // Reminder: Lower-case letters are used
         if (ndx >= 0)
             line.truncate(ndx);
         if (line.isEmpty())
             continue;
 
         if ((line.contains("password") && line.contains("enter")) || line == QStringLiteral("encrypted = +")) {
             encrypted = true;
             ::kill(static_cast<pid_t>(-processId()), SIGKILL); // kill the whole process group by giving the negative PID
             break;
         }
     }
 }
 
 bool Kr7zEncryptionChecker::isEncrypted()
 {
     return encrypted;
 }