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Merge pull request #7587 from owen-mc/add-default-taint-sanitizer-guard

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Dataflow: Add default taint sanitizer guard
This commit is contained in:
Anders Schack-Mulligen
2022-01-13 14:44:55 +01:00
committed by GitHub
parent 61490e74d8 7e42ccfbf1
commit c44cf29992
23 changed files with 53 additions and 17 deletions
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6
java/ql/lib/semmle/code/java/dataflow/internal/TaintTrackingUtil.qll
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@@ -118,6 +118,12 @@ private module Cached {
}
}
/**
* Holds if `guard` should be a sanitizer guard in all global taint flow configurations
* but not in local taint.
*/
predicate defaultTaintSanitizerGuard(DataFlow::BarrierGuard guard) { none() }
import Cached
private RefType getElementType(RefType container) {

2
java/ql/lib/semmle/code/java/dataflow/internal/tainttracking1/TaintTrackingImpl.qll
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@@ -93,7 +93,7 @@ abstract class Configuration extends DataFlow::Configuration {
predicate isSanitizerGuard(DataFlow::BarrierGuard guard) { none() }
final override predicate isBarrierGuard(DataFlow::BarrierGuard guard) {
this.isSanitizerGuard(guard)
this.isSanitizerGuard(guard) or defaultTaintSanitizerGuard(guard)
}
/**

2
java/ql/lib/semmle/code/java/dataflow/internal/tainttracking2/TaintTrackingImpl.qll
View File

@@ -93,7 +93,7 @@ abstract class Configuration extends DataFlow::Configuration {
predicate isSanitizerGuard(DataFlow::BarrierGuard guard) { none() }
final override predicate isBarrierGuard(DataFlow::BarrierGuard guard) {
this.isSanitizerGuard(guard)
this.isSanitizerGuard(guard) or defaultTaintSanitizerGuard(guard)
}
/**