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Support CharSequence#toString

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Given CharSequence is often used as an
alias for String, ensure taint through toString is flowing
This commit is contained in:
Benjamin Muskalla
2021-10-01 11:43:45 +02:00
parent ca9d5439f0
commit 7dae6122d9
3 changed files with 6 additions and 1 deletions
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3
java/ql/test/library-tests/dataflow/taint/CharSeq.java
View File

@@ -9,5 +9,8 @@ public class CharSeq {
CharSequence seqFromSeq = seq.subSequence(0, 1);
sink(seqFromSeq);
String stringFromSeq = seq.toString();
sink(stringFromSeq);
}
}

1
java/ql/test/library-tests/dataflow/taint/test.expected
View File

@@ -43,6 +43,7 @@
| B.java:15:21:15:27 | taint(...) | B.java:157:10:157:46 | toFile(...) |
| CharSeq.java:7:26:7:32 | taint(...) | CharSeq.java:8:12:8:14 | seq |
| CharSeq.java:7:26:7:32 | taint(...) | CharSeq.java:11:12:11:21 | seqFromSeq |
| CharSeq.java:7:26:7:32 | taint(...) | CharSeq.java:14:12:14:24 | stringFromSeq |
| MethodFlow.java:7:22:7:28 | taint(...) | MethodFlow.java:8:10:8:16 | tainted |
| MethodFlow.java:9:31:9:37 | taint(...) | MethodFlow.java:10:10:10:17 | tainted2 |
| MethodFlow.java:11:35:11:41 | taint(...) | MethodFlow.java:12:10:12:17 | tainted3 |