File indexing completed on 2024-04-14 03:50:32

 /*
     SPDX-FileCopyrightText: 2008 Nicola Gigante <nicola.gigante@gmail.com>
     SPDX-FileCopyrightText: 2009 Dario Freddi <drf@kde.org>
 
     SPDX-License-Identifier: LGPL-2.1-or-later
 */
 
 #include "policy-gen.h"
 
 #include <QCoreApplication>
 #include <QDebug>
 #include <QFile>
 #include <QRegularExpression>
 #include <QSettings>
 #include <QStringList>
 
 #include <cerrno>
 #include <cstdio>
 
 using namespace std;
 
 QList<Action> parse(QSettings &ini);
 QMap<QString, QString> parseDomain(const QSettings &ini);
 
 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);
 
     if (argc < 2) {
         qCritical("Too few arguments");
         return 1;
     }
 
     QSettings ini(QFile::decodeName(argv[1]), QSettings::IniFormat);
     if (ini.status()) {
         qCritical("Error loading file: %s", argv[1]);
         return 1;
     }
 
     if (argc == 3) {
         // Support an optional 2nd argument pointing to the output file
         //
         // This is safer to use in build systems than
         // "kauth-policy-gen foo.actions > foo.policy" because when using a
         // redirection "foo.policy" is created even if kauth-policy-gen fails.
         // This means the first call to make fails, but a second call succeeds
         // because an empty "foo.policy" exists.
         if (!freopen(argv[2], "w", stdout)) {
             qCritical("Failed to open %s for writing: %s", argv[2], strerror(errno));
             return 1;
         }
     }
 
     output(parse(ini), parseDomain(ini));
 }
 
 QList<Action> parse(QSettings &ini)
 {
     QList<Action> actions;
 
     // example: [org.kde.kcontrol.kcmfoo.save]
     const QRegularExpression actionExp(QRegularExpression::anchoredPattern(QStringLiteral("[0-9a-z]+(\\.[0-9a-z]+)*")));
 
     // example: Description[ca]=Mòdul de control del Foo.
     const QRegularExpression descriptionExp(QRegularExpression::anchoredPattern(QStringLiteral("description(?:\\[(\\w+)\\])?")),
                                             QRegularExpression::CaseInsensitiveOption);
 
     // example: Name[ca]=Mòdul de control del Foo
     const QRegularExpression nameExp(QRegularExpression::anchoredPattern(QStringLiteral("name(?:\\[(\\w+)\\])?")), QRegularExpression::CaseInsensitiveOption);
 
     // example: Policy=auth_admin
     const QRegularExpression policyExp(QRegularExpression::anchoredPattern(QStringLiteral("(?:yes|no|auth_self|auth_admin)")));
 
     const auto listChilds = ini.childGroups();
     for (const QString &name : listChilds) {
         Action action;
 
         if (name == QLatin1String("Domain")) {
             continue;
         }
 
         if (!actionExp.match(name).hasMatch()) {
             qCritical("Wrong action syntax: %s\n", name.toLatin1().data());
             exit(1);
         }
 
         action.name = name;
         ini.beginGroup(name);
 
         const auto listChildKeys = ini.childKeys();
         for (const QString &key : listChildKeys) {
             QRegularExpressionMatch match;
             if ((match = descriptionExp.match(key)).hasMatch()) {
                 QString lang = match.captured(1);
 
                 if (lang.isEmpty()) {
                     lang = QString::fromLatin1("en");
                 }
 
                 action.descriptions.insert(lang, ini.value(key).toString());
 
             } else if ((match = nameExp.match(key)).hasMatch()) {
                 QString lang = match.captured(1);
 
                 if (lang.isEmpty()) {
                     lang = QString::fromLatin1("en");
                 }
 
                 action.messages.insert(lang, ini.value(key).toString());
 
             } else if (key.toLower() == QLatin1String("policy")) {
                 QString policy = ini.value(key).toString();
                 if (!policyExp.match(policy).hasMatch()) {
                     qCritical("Wrong policy: %s", policy.toLatin1().data());
                     exit(1);
                 }
                 action.policy = policy;
 
             } else if (key.toLower() == QLatin1String("policyinactive")) {
                 QString policyInactive = ini.value(key).toString();
                 if (!policyExp.match(policyInactive).hasMatch()) {
                     qCritical("Wrong policy: %s", policyInactive.toLatin1().data());
                     exit(1);
                 }
                 action.policyInactive = policyInactive;
 
             } else if (key.toLower() == QLatin1String("persistence")) {
                 QString persistence = ini.value(key).toString();
                 if (persistence != QLatin1String("session") && persistence != QLatin1String("always")) {
                     qCritical("Wrong persistence: %s", persistence.toLatin1().data());
                     exit(1);
                 }
                 action.persistence = persistence;
             }
         }
 
         if (action.policy.isEmpty() || action.messages.isEmpty() || action.descriptions.isEmpty()) {
             qCritical("Missing option in action: %s", name.toLatin1().data());
             exit(1);
         }
         ini.endGroup();
 
         actions.append(action);
     }
 
     return actions;
 }
 
 QMap<QString, QString> parseDomain(const QSettings &ini)
 {
     QMap<QString, QString> rethash;
 
     if (ini.childGroups().contains(QString::fromLatin1("Domain"))) {
         if (ini.contains(QString::fromLatin1("Domain/Name"))) {
             rethash[QString::fromLatin1("vendor")] = ini.value(QString::fromLatin1("Domain/Name")).toString();
         }
         if (ini.contains(QString::fromLatin1("Domain/URL"))) {
             rethash[QString::fromLatin1("vendorurl")] = ini.value(QString::fromLatin1("Domain/URL")).toString();
         }
         if (ini.contains(QString::fromLatin1("Domain/Icon"))) {
             rethash[QString::fromLatin1("icon")] = ini.value(QString::fromLatin1("Domain/Icon")).toString();
         }
     }
 
     return rethash;
 }