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38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
import codeql.ruby.dataflow.internal.DataFlowPrivate
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import codeql.ruby.dataflow.internal.DataFlowPublic
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import codeql.ruby.dataflow.BarrierGuards
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import codeql.ruby.controlflow.CfgNodes
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import codeql.ruby.controlflow.ControlFlowGraph
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import codeql.ruby.controlflow.BasicBlocks
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import codeql.ruby.DataFlow
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import utils.test.InlineExpectationsTest
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query predicate newStyleBarrierGuards(DataFlow::Node n) {
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n instanceof StringConstCompareBarrier or
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n instanceof StringConstArrayInclusionCallBarrier
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}
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query predicate controls(CfgNode condition, BasicBlock bb, SuccessorTypes::ConditionalSuccessor s) {
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exists(ConditionBlock cb |
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cb.edgeDominates(bb, s) and
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condition = cb.getLastNode()
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)
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}
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module BarrierGuardTest implements TestSig {
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string getARelevantTag() { result = "guarded" }
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predicate hasActualResult(Location location, string element, string tag, string value) {
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tag = "guarded" and
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exists(DataFlow::Node n |
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newStyleBarrierGuards(n) and
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not n instanceof SsaSynthReadNode and
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location = n.getLocation() and
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element = n.toString() and
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value = ""
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)
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}
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}
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import MakeTest<BarrierGuardTest>
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