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24 lines
665 B
Plaintext
24 lines
665 B
Plaintext
import python
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import semmle.python.dataflow.new.DataFlow
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private import semmle.python.dataflow.new.internal.DataFlowPrivate as DataFlowPrivate
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/**
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* A configuration to find all "maximal" flows.
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* To be used on small programs.
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*/
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module MaximalFlowsConfig implements DataFlow::ConfigSig {
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predicate isSource(DataFlow::Node node) {
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node instanceof DataFlow::ParameterNode
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or
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node instanceof DataFlow::LocalSourceNode
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}
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predicate isSink(DataFlow::Node node) {
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node instanceof DataFlowPrivate::ReturnNode
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or
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not DataFlowPrivate::LocalFlow::localFlowStep(node, _)
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}
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}
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module MaximalFlowsFlow = DataFlow::Global<MaximalFlowsConfig>;
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