C++: Add models and accept testcases.

Author: MathiasVP

cpp/ql/lib/ext/oleauto.model.yml

@@ -0,0 +1,8 @@
+extensions:
+  - addsTo:
+      pack: codeql/cpp-all
+      extensible: summaryModel
+    data: # namespace, type, subtypes, name, signature, ext, input, output, kind, provenance
+      - ["", "", False, "SysAllocString", "", "", "Argument[*0]", "ReturnValue[*]", "value", "manual"]
+      - ["", "", False, "SysAllocStringByteLen", "", "", "Argument[*0]", "ReturnValue[*]", "value", "manual"]
+      - ["", "", False, "SysAllocStringLen", "", "", "Argument[*0]", "ReturnValue[*]", "value", "manual"]

cpp/ql/test/library-tests/dataflow/external-models/flow.expected

@@ -10,14 +10,14 @@ edges
 | asio_streams.cpp:100:44:100:62 | call to buffer | asio_streams.cpp:103:29:103:39 | *send_buffer | provenance | Sink:MaD:6 |
 | asio_streams.cpp:100:64:100:71 | *send_str | asio_streams.cpp:56:18:56:23 | [summary param] *0 in buffer | provenance |  |
 | asio_streams.cpp:100:64:100:71 | *send_str | asio_streams.cpp:100:44:100:62 | call to buffer | provenance | MaD:10 |
-| test.cpp:4:5:4:11 | [summary param] 0 in ymlStep | test.cpp:4:5:4:11 | [summary] to write: ReturnValue in ymlStep | provenance | MaD:966 |
-| test.cpp:7:10:7:18 | call to ymlSource | test.cpp:7:10:7:18 | call to ymlSource | provenance | Src:MaD:964  |
-| test.cpp:7:10:7:18 | call to ymlSource | test.cpp:11:10:11:10 | x | provenance | Sink:MaD:965 |
+| test.cpp:4:5:4:11 | [summary param] 0 in ymlStep | test.cpp:4:5:4:11 | [summary] to write: ReturnValue in ymlStep | provenance | MaD:969 |
+| test.cpp:7:10:7:18 | call to ymlSource | test.cpp:7:10:7:18 | call to ymlSource | provenance | Src:MaD:967  |
+| test.cpp:7:10:7:18 | call to ymlSource | test.cpp:11:10:11:10 | x | provenance | Sink:MaD:968 |
 | test.cpp:7:10:7:18 | call to ymlSource | test.cpp:13:18:13:18 | x | provenance |  |
 | test.cpp:13:10:13:16 | call to ymlStep | test.cpp:13:10:13:16 | call to ymlStep | provenance |  |
-| test.cpp:13:10:13:16 | call to ymlStep | test.cpp:15:10:15:10 | y | provenance | Sink:MaD:965 |
+| test.cpp:13:10:13:16 | call to ymlStep | test.cpp:15:10:15:10 | y | provenance | Sink:MaD:968 |
 | test.cpp:13:18:13:18 | x | test.cpp:4:5:4:11 | [summary param] 0 in ymlStep | provenance |  |
-| test.cpp:13:18:13:18 | x | test.cpp:13:10:13:16 | call to ymlStep | provenance | MaD:966 |
+| test.cpp:13:18:13:18 | x | test.cpp:13:10:13:16 | call to ymlStep | provenance | MaD:969 |
 nodes
 | asio_streams.cpp:56:18:56:23 | [summary param] *0 in buffer | semmle.label | [summary param] *0 in buffer |
 | asio_streams.cpp:56:18:56:23 | [summary] to write: ReturnValue in buffer | semmle.label | [summary] to write: ReturnValue in buffer |

cpp/ql/test/library-tests/dataflow/taint-tests/taint.cpp

@@ -803,11 +803,11 @@ BSTR SysAllocStringLen(const OLECHAR *,unsigned);
 
 void test_sysalloc() {
 	auto p1 = SysAllocString((LPOLESTR)indirect_source());
-	sink(*p1); // $ MISSING: ir,ast
+	sink(*p1); // $ ir MISSING: ast
 
 	auto p2 = SysAllocStringByteLen(indirect_source(), 10);
-	sink(*p2); // $ MISSING: ir,ast
+	sink(*p2); // $ ir MISSING: ast
 
 	auto p3 = SysAllocStringLen((LPOLESTR)indirect_source(), 10);
-	sink(*p3); // $ MISSING: ir,ast
+	sink(*p3); // $ ir MISSING: ast
 }