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codeql/python/ql/src/Expressions/CallToSuperWrongClass.ql
Taus Brock-Nannestad f07a7bf8cf Python: Autoformat everything using qlformat.
Will need subsequent PRs fixing up test failures (due to deprecated
methods moving around), but other than that everything should be
straight-forward.
2020-07-07 15:43:52 +02:00

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/**
* @name First argument to super() is not enclosing class
* @description Calling super with something other than the enclosing class may cause incorrect object initialization.
* @kind problem
* @tags reliability
* maintainability
* convention
* external/cwe/cwe-687
* @problem.severity error
* @sub-severity low
* @precision high
* @id py/super-not-enclosing-class
*/
import python
from CallNode call_to_super, string name
where
exists(GlobalVariable gv, ControlFlowNode cn |
call_to_super = ClassValue::super_().getACall() and
gv.getId() = "super" and
cn = call_to_super.getArg(0) and
name = call_to_super.getScope().getScope().(Class).getName() and
exists(ClassValue other |
cn.pointsTo(other) and
not other.getScope().getName() = name
)
)
select call_to_super.getNode(), "First argument to super() should be " + name + "."