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Rust: Implement known{Source,Sink}Model

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Tom Hvitved
2025-01-09 11:47:57 +01:00
parent 868caf948c
commit a7bb95249b
5 changed files with 115 additions and 53 deletions
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14
shared/dataflow/codeql/dataflow/internal/FlowSummaryImpl.qll
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@@ -1086,7 +1086,8 @@ module Make<
*
* This node should be used as the actual source node in data flow configurations.
*/
predicate isEntry(string kind) {
predicate isEntry(string kind, string model) {
model = model_ and
exists(SummaryComponentStack out |
sourceOutputStateEntry(source_, out, kind, model_) and
state_.isSourceOutputState(source_, out, kind, model_)
@@ -1105,10 +1106,10 @@ module Make<
state_.isSourceOutputState(source, TSingletonSummaryComponentStack(sc), _, model)
}
override predicate isHidden() { not this.isEntry(_) }
override predicate isHidden() { not this.isEntry(_, _) }
override string toString() {
if this.isEntry(_)
if this.isEntry(_, _)
then result = source_.toString()
else result = "[source] " + state_ + " at " + source_
}
@@ -1145,18 +1146,19 @@ module Make<
*
* This node should be used as the actual sink node in data flow configurations.
*/
predicate isExit(string kind) {
predicate isExit(string kind, string model) {
kind = kind_ and
model = model_ and
exists(SummaryComponentStack inp |
sinkInputStateExit(sink_, inp, kind, model_) and
state_.isSinkInputState(sink_, inp, kind, model_)
)
}
override predicate isHidden() { not this.isExit(_) }
override predicate isHidden() { not this.isExit(_, _) }
override string toString() {
if this.isExit(_)
if this.isExit(_, _)
then result = sink_.toString()
else result = "[sink] " + state_ + " at " + sink_
}