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codeql/java/ql/src/Frameworks/JavaEE/EJB/EjbGraphics.ql
2018-10-11 11:31:37 +02:00

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/**
* @name EJB uses graphics
* @description An EJB should not use AWT or other graphics functionality.
* Such operations are normally performed by an end-user interface
* that accesses a server but not by the server itself.
* @kind problem
* @problem.severity error
* @precision low
* @id java/ejb/graphics
* @tags reliability
* external/cwe/cwe-575
*/
import java
import semmle.code.java.frameworks.javaee.ejb.EJB
import semmle.code.java.frameworks.javaee.ejb.EJBRestrictions
/*
* JSR 220: Enterprise JavaBeansTM,Version 3.0
* EJB Core Contracts and Requirements
* Section 21.1.2 Programming Restrictions
*
* - An enterprise bean must not use the AWT functionality to attempt to output information to a
* display, or to input information from a keyboard.
*
* Most servers do not allow direct interaction between an application program and a keyboard/display
* attached to the server system.
*/
from Callable origin, ForbiddenGraphicsCallable target, Call call
where ejbCalls(origin, target, call)
select origin, "EJB should not use AWT or other graphics functionality by $@.", call,
target.getDeclaringType().getName() + "." + target.getName()