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C++/C#/Java: Shared TaintTrackingImpl.qll

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This file is now identical in all languages. Unifying this file led to
the following changes:
- The documentation spelling fixes and example from the C++ version
  were copied to the other versions and updated.
- The steps through `NonLocalJumpNode` from C# were abstracted into a
  `globalAdditionalTaintStep` predicate that's empty for C++ and Java.
- The `defaultTaintBarrier` predicate from Java is now present but empty
  on C++ and C#.
- The C++ `isAdditionalFlowStep` predicate on
  `TaintTracking::Configuration` no longer includes `localFlowStep`.
  That should avoid some unnecessary tuple copying.
This commit is contained in:
Jonas Jensen
2019-08-21 14:25:29 +02:00
parent b4856e928b
commit 25701f203d
13 changed files with 567 additions and 212 deletions
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10
config/identical-files.json
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@@ -25,18 +25,14 @@
"cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowImplCommon.qll",
"csharp/ql/src/semmle/code/csharp/dataflow/internal/DataFlowImplCommon.qll"
],
"Taint tracking C/C++": [
"TaintTracking::Configuration Java/C++/C#": [
"cpp/ql/src/semmle/code/cpp/dataflow/internal/tainttracking1/TaintTrackingImpl.qll",
"cpp/ql/src/semmle/code/cpp/dataflow/internal/tainttracking2/TaintTrackingImpl.qll"
],
"Taint tracking C#": [
"cpp/ql/src/semmle/code/cpp/dataflow/internal/tainttracking2/TaintTrackingImpl.qll",
"csharp/ql/src/semmle/code/csharp/dataflow/internal/tainttracking1/TaintTrackingImpl.qll",
"csharp/ql/src/semmle/code/csharp/dataflow/internal/tainttracking2/TaintTrackingImpl.qll",
"csharp/ql/src/semmle/code/csharp/dataflow/internal/tainttracking3/TaintTrackingImpl.qll",
"csharp/ql/src/semmle/code/csharp/dataflow/internal/tainttracking4/TaintTrackingImpl.qll",
"csharp/ql/src/semmle/code/csharp/dataflow/internal/tainttracking5/TaintTrackingImpl.qll"
],
"Taint tracking Java": [
"csharp/ql/src/semmle/code/csharp/dataflow/internal/tainttracking5/TaintTrackingImpl.qll",
"java/ql/src/semmle/code/java/dataflow/internal/tainttracking1/TaintTrackingImpl.qll",
"java/ql/src/semmle/code/java/dataflow/internal/tainttracking2/TaintTrackingImpl.qll"
],