Java: Adapt to FlowSummaryImpl changes

Author: hvitved

java/ql/lib/semmle/code/java/dataflow/internal/DataFlowNodes.qll

@@ -439,7 +439,7 @@ module Private {
     result.asCallable() = n.(ImplicitInstanceAccess).getInstanceAccess().getEnclosingCallable() or
     result.asCallable() = n.(MallocNode).getClassInstanceExpr().getEnclosingCallable() or
     result = nodeGetEnclosingCallable(n.(ImplicitPostUpdateNode).getPreUpdateNode()) or
-    result.asSummarizedCallable() = n.(FlowSummaryNode).getSummarizedCallable() or
+    result = n.(FlowSummaryNode).getSummaryNode().getEnclosingCallable() or
     result.asCallable() = n.(CaptureNode).getSynthesizedCaptureNode().getEnclosingCallable() or
     result.asFieldScope() = n.(FieldValueNode).getField() or
     result.asCallable() = any(Expr e | n.(AdditionalNode).nodeAt(e, _)).getEnclosingCallable() or
@@ -531,7 +531,7 @@ module Private {
       result = this.getSummaryNode().getSummarizedCallable()
     }
 
-    override Location getLocation() { result = this.getSummarizedCallable().getLocation() }
+    override Location getLocation() { result = this.getSummaryNode().getLocation() }
 
     override string toString() { result = this.getSummaryNode().toString() }
 

java/ql/lib/semmle/code/java/dataflow/internal/DataFlowPrivate.qll

@@ -199,8 +199,7 @@ predicate jumpStep(Node node1, Node node2) {
   any(AdditionalValueStep a).step(node1, node2) and
   node1.getEnclosingCallable() != node2.getEnclosingCallable()
   or
-  FlowSummaryImpl::Private::Steps::summaryJumpStep(node1.(FlowSummaryNode).getSummaryNode(),
-    node2.(FlowSummaryNode).getSummaryNode())
+  FlowSummaryImpl::Private::Steps::summaryJumpStep(node1, node2)
 }
 
 /**

java/ql/lib/semmle/code/java/dataflow/internal/DataFlowUtil.qll

@@ -247,8 +247,7 @@ private predicate simpleLocalFlowStep0(Node node1, Node node2, string model) {
   or
   cloneStep(node1, node2) and model = "CloneStep"
   or
-  FlowSummaryImpl::Private::Steps::summaryLocalStep(node1, node2.(FlowSummaryNode).getSummaryNode(),
-    true, model)
+  FlowSummaryImpl::Private::Steps::summaryLocalStep(node1, node2, true, model)
 }
 
 /**

java/ql/lib/semmle/code/java/dataflow/internal/FlowSummaryImpl.qll

@@ -37,11 +37,17 @@ module Input implements InputSig<Location, DataFlowImplSpecific::JavaDataFlow> {
     sc.asCallable() = any(Callable c | c.fromSource() and not c.isStub())
   }
 
-  class SourceBase = Void;
+  class SourceBase extends Void {
+    Location getLocation() { none() }
+  }
+
+  class SinkBase = SourceBase;
 
-  class SinkBase = Void;
+  class FlowSummaryCallBase = SourceBase;
 
-  class FlowSummaryCallBase = Void;
+  DataFlowCallable getSummarizedCallableAsDataFlowCallable(SummarizedCallableBase c) {
+    result.asSummarizedCallable() = c
+  }
 
   predicate neutralElement(
     Input::SummarizedCallableBase c, string kind, string provenance, boolean isExact
@@ -110,7 +116,45 @@ module Input implements InputSig<Location, DataFlowImplSpecific::JavaDataFlow> {
 
 private import Make<Location, DataFlowImplSpecific::JavaDataFlow, Input> as Impl
 
-private module TypesInput implements Impl::Private::TypesInputSig {
+private module Input2 implements Impl::Private::InputSig2 {
+  private import codeql.util.Void
+
+  class SourceSinkReportingElement extends Void {
+    Location getLocation() { none() }
+
+    DataFlowCallable getEnclosingCallable() { none() }
+  }
+
+  SourceSinkReportingElement getSourceEntryElement(
+    Impl::Public::SourceElement source, Impl::Private::SummaryComponent sc
+  ) {
+    none()
+  }
+
+  SourceSinkReportingElement getNextElement(
+    SourceSinkReportingElement prev, Impl::Private::SummaryComponent sc
+  ) {
+    none()
+  }
+
+  bindingset[e, sc]
+  Node getSourceExitNode(SourceSinkReportingElement e, Impl::Private::SummaryComponent sc) {
+    none()
+  }
+
+  SourceSinkReportingElement getSinkExitElement(
+    Impl::Public::SinkElement sink, Impl::Private::SummaryComponent sc
+  ) {
+    none()
+  }
+
+  bindingset[e, sc]
+  Node getSinkEntryNode(SourceSinkReportingElement e, Impl::Private::SummaryComponent sc) { none() }
+}
+
+private import Impl::Private::Make2<Input2> as Impl2
+
+private module TypesInput implements Impl2::TypesInputSig {
   DataFlowType getSyntheticGlobalType(Impl::Private::SyntheticGlobal sg) {
     exists(sg) and
     result instanceof TypeObject
@@ -138,27 +182,15 @@ private module TypesInput implements Impl::Private::TypesInputSig {
     exists(rk)
   }
 
-  DataFlowType getSourceType(Input::SourceBase source, Impl::Private::SummaryComponentStack s) {
-    none()
-  }
-
-  DataFlowType getSinkType(Input::SinkBase sink, Impl::Private::SummaryComponent sc) { none() }
+  DataFlowType getSourceSinkType(Input2::SourceSinkReportingElement e) { none() }
 }
 
-private module StepsInput implements Impl::Private::StepsInputSig {
-  Impl::Private::SummaryNode getSummaryNode(Node n) {
-    result = n.(FlowSummaryNode).getSummaryNode()
-  }
+private module StepsInput implements Impl2::StepsInputSig {
+  Impl2::SummaryNode getSummaryNode(Node n) { result = n.(FlowSummaryNode).getSummaryNode() }
 
   DataFlowCall getACall(Public::SummarizedCallable sc) {
     sc = viableCallable(result).asSummarizedCallable()
   }
-
-  DataFlowCallable getSourceNodeEnclosingCallable(Input::SourceBase source) { none() }
-
-  Node getSourceNode(Input::SourceBase source, Impl::Private::SummaryComponentStack s) { none() }
-
-  Node getSinkNode(Input::SinkBase sink, Impl::Private::SummaryComponent sc) { none() }
 }
 
 private predicate relatedArgSpec(Callable c, string spec) {
@@ -372,9 +404,10 @@ module SourceSinkInterpretationInput implements
 
 module Private {
   import Impl::Private
-  import Impl::Private::Types<TypesInput>
+  import Impl2
+  import Types<TypesInput>
 
-  module Steps = Impl::Private::Steps<StepsInput>;
+  module Steps = Impl2::Steps<StepsInput>;
 
   module External {
     import Impl::Private::External

java/ql/lib/semmle/code/java/dataflow/internal/TaintTrackingUtil.qll

@@ -145,8 +145,7 @@ private module Cached {
       )
     )
     or
-    FlowSummaryImpl::Private::Steps::summaryLocalStep(src,
-      sink.(DataFlowPrivate::FlowSummaryNode).getSummaryNode(), false, model)
+    FlowSummaryImpl::Private::Steps::summaryLocalStep(src, sink, false, model)
   }
 
   /**

java/ql/test/library-tests/dataflow/local-additional-taint/localAdditionalTaintStep.ql

@@ -13,7 +13,7 @@ predicate taintFlowUpdate(DataFlow::ParameterNode p1, DataFlow::ParameterNode p2
 }
 
 predicate summaryStep(FlowSummaryNode src, FlowSummaryNode sink) {
-  FlowSummaryImpl::Private::Steps::summaryLocalStep(src, sink.getSummaryNode(), false, _) or
+  FlowSummaryImpl::Private::Steps::summaryLocalStep(src, sink, false, _) or
   FlowSummaryImpl::Private::Steps::summaryReadStep(src.getSummaryNode(), _, sink.getSummaryNode()) or
   FlowSummaryImpl::Private::Steps::summaryStoreStep(src.getSummaryNode(), _, sink.getSummaryNode())
 }