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28 lines
908 B
Plaintext
28 lines
908 B
Plaintext
import python
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import experimental.dataflow.DataFlow
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/**
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* A configuration to check routing of arguments through magic methods.
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*/
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class ArgumentRoutingConfig extends DataFlow::Configuration {
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ArgumentRoutingConfig() { this = "ArgumentRoutingConfig" }
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override predicate isSource(DataFlow::Node node) {
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node.(DataFlow::CfgNode).getNode().(NameNode).getId() = "arg3"
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}
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override predicate isSink(DataFlow::Node node) {
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exists(CallNode call |
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call.getFunction().(NameNode).getId() = "SINK3" and
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node.(DataFlow::CfgNode).getNode() = call.getAnArg()
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)
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}
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}
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from DataFlow::Node source, DataFlow::Node sink
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where
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source.getLocation().getFile().getBaseName() in ["classes.py", "argumentPassing.py"] and
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sink.getLocation().getFile().getBaseName() in ["classes.py", "argumentPassing.py"] and
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exists(ArgumentRoutingConfig cfg | cfg.hasFlow(source, sink))
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select source, sink
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