com.h3xstream.findsecbugs.DangerousPermissionCombination Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of findsecbugs-plugin Show documentation
Show all versions of findsecbugs-plugin Show documentation
Core module of the project. It include all the SpotBugs detectors.
The resulting jar is the published plugin.
The newest version!
/**
* Find Security Bugs
* Copyright (c) Philippe Arteau, All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.
*/
package com.h3xstream.findsecbugs;
import org.apache.bcel.Const;
import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.BugReporter;
import edu.umd.cs.findbugs.bcel.OpcodeStackDetector;
import edu.umd.cs.findbugs.classfile.ClassDescriptor;
public class DangerousPermissionCombination extends OpcodeStackDetector {
private BugReporter bugReporter;
public DangerousPermissionCombination(BugReporter bugReporter) {
this.bugReporter = bugReporter;
}
private void reportBug(String permission, String target) {
BugInstance bug = new BugInstance(this, "DANGEROUS_PERMISSION_COMBINATION", NORMAL_PRIORITY)
.addClassAndMethod(this).addString(permission).addString(target).addSourceLine(this);
bugReporter.reportBug(bug);
}
@Override
public void sawOpcode(int seen) {
if (seen == Const.INVOKESPECIAL && Const.CONSTRUCTOR_NAME.equals(getNameConstantOperand())) {
ClassDescriptor cd = getClassDescriptorOperand();
if (cd != null && "Ljava/lang/reflect/ReflectPermission;".equals(cd.getSignature())) {
String stringParam = (String) stack.getStackItem(0).getConstant();
if (stringParam != null && "suppressAccessChecks".equals(stringParam)) {
reportBug("ReflectPermission", "suppressAccessChecks");
}
} else if (cd != null && "Ljava/lang/RuntimePermission;".equals(cd.getSignature())) {
String stringParam = (String) stack.getStackItem(0).getConstant();
if (stringParam != null && "createClassLoader".equals(stringParam)) {
reportBug("RuntimePermission", "createClassLoader");
}
}
}
}
}