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Python: Move PolynomialReDoS to new dataflow API

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Rasmus Wriedt Larsen
2023-08-25 16:30:40 +02:00
parent 4c336990e5
commit c6caf83dfe
2 changed files with 17 additions and 4 deletions
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15
python/ql/lib/semmle/python/security/dataflow/PolynomialReDoSQuery.qll
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@@ -12,9 +12,11 @@ import semmle.python.dataflow.new.TaintTracking
import PolynomialReDoSCustomizations::PolynomialReDoS
/**
* DEPRECATED: Use `PolynomialReDoSFlow` module instead.
*
* A taint-tracking configuration for detecting "polynomial regular expression denial of service (ReDoS)" vulnerabilities.
*/
class Configuration extends TaintTracking::Configuration {
deprecated class Configuration extends TaintTracking::Configuration {
Configuration() { this = "PolynomialReDoS" }
override predicate isSource(DataFlow::Node source) { source instanceof Source }
@@ -27,3 +29,14 @@ class Configuration extends TaintTracking::Configuration {
guard instanceof SanitizerGuard
}
}
private module PolynomialReDoSConfig implements DataFlow::ConfigSig {
predicate isSource(DataFlow::Node source) { source instanceof Source }
predicate isSink(DataFlow::Node sink) { sink instanceof Sink }
predicate isBarrier(DataFlow::Node node) { node instanceof Sanitizer }
}
/** Global taint-tracking for detecting "polynomial regular expression denial of service (ReDoS)" vulnerabilities. */
module PolynomialReDoSFlow = TaintTracking::Global<PolynomialReDoSConfig>;