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Data flow: Move more logic into DataFlowImplCommon

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This commit is contained in:
Tom Hvitved
2024-11-26 14:44:18 +01:00
parent 8f886c6603
commit 7402276ec7
5 changed files with 148 additions and 100 deletions
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6
shared/mad/codeql/mad/modelgenerator/internal/ModelGeneratorImpl.qll
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@@ -464,8 +464,10 @@ module MakeModelGenerator<
predicate isAdditionalFlowStep(
DataFlow::Node node1, FlowState state1, DataFlow::Node node2, FlowState state2
) {
exists(DataFlow::ContentSet c |
DataFlow::store(node1, c.getAStoreContent(), node2, _, _) and
exists(DataFlow::NodeEx n1, DataFlow::NodeEx n2, DataFlow::ContentSet c |
node1 = n1.asNode() and
node2 = n2.asNode() and
DataFlow::storeEx(n1, c.getAStoreContent(), n2, _, _) and
isRelevantContent0(c) and
(
state1 instanceof TaintRead and state2.(TaintStore).getStep() = 1