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74 lines
1.9 KiB
Plaintext
74 lines
1.9 KiB
Plaintext
import cpp
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import semmle.code.cpp.dataflow.DataFlow
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import semmle.code.cpp.dataflow.DataFlow2
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import semmle.code.cpp.dataflow.DataFlow3
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import semmle.code.cpp.dataflow.DataFlow4
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import semmle.code.cpp.dataflow.RecursionPrevention
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class TestConf1 extends DataFlow::Configuration {
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TestConf1() { this = "TestConf1" }
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override
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predicate isSource(DataFlow::Node source) { any() }
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override
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predicate isSink(DataFlow::Node sink) { any() }
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}
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class TestConf2 extends DataFlow2::Configuration {
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TestConf2() { this = "TestConf2" }
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override
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predicate isSource(DataFlow::Node source) {
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exists(TestConf1 conf1 | conf1.hasFlowTo(source))
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}
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override
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predicate isSink(DataFlow::Node sink) {
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exists(TestConf1 conf1 | conf1.hasFlowTo(sink))
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}
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override
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predicate isAdditionalFlowStep(DataFlow::Node n1, DataFlow::Node n2) {
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exists(TestConf1 conf1 |
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conf1.hasFlowTo(n1) and
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conf1.hasFlowTo(n2)
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)
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}
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}
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class TestConf3 extends DataFlow3::Configuration {
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TestConf3() { this = "TestConf3" }
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override
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predicate isSource(DataFlow::Node source) {
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exists(TestConf2 conf2 | conf2.hasFlowTo(source))
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}
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override
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predicate isSink(DataFlow::Node sink) {
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exists(TestConf2 conf2 | conf2.hasFlowTo(sink))
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}
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override
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predicate isAdditionalFlowStep(DataFlow::Node n1, DataFlow::Node n2) {
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exists(TestConf2 conf2 |
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conf2.hasFlowTo(n1) and
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conf2.hasFlowTo(n2)
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)
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}
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}
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class TestConf4 extends DataFlow4::Configuration {
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TestConf4() { this = "TestConf4" }
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override
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predicate isSource(DataFlow::Node source) {
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exists(TestConf3 conf3 | conf3.hasFlowTo(source))
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}
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override
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predicate isSink(DataFlow::Node sink) {
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exists(TestConf3 conf3 | conf3.hasFlowTo(sink))
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}
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override
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predicate isAdditionalFlowStep(DataFlow::Node n1, DataFlow::Node n2) {
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exists(TestConf3 conf3 |
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conf3.hasFlowTo(n1) and
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conf3.hasFlowTo(n2)
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)
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}
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}
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select 1
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