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Merge pull request #12325 from MathiasVP/gets-return-deref

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C++: Make `gets` indirect output a LocalFlowSource
This commit is contained in:
Mathias Vorreiter Pedersen
2023-02-27 18:39:36 +00:00
committed by GitHub
parent 9c202f508f a4c075f03b
commit f9c724d9a3
1 changed files with 5 additions and 4 deletions
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9
cpp/ql/lib/semmle/code/cpp/models/implementations/Gets.qll
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@@ -97,10 +97,11 @@ private class GetsFunction extends DataFlowFunction, ArrayFunction, AliasFunctio
}
override predicate hasLocalFlowSource(FunctionOutput output, string description) {
output.isParameterDeref(0) and
description = "string read by " + this.getName()
or
output.isReturnValue() and
(
output.isParameterDeref(0) or
output.isReturnValue() or
output.isReturnValueDeref()
) and
description = "string read by " + this.getName()
}