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ginsbach/withInstanceof
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6006 Commits

Author SHA1 Message Date
ihsinme
17d1c77a14 Update InsufficientControlFlowManagementAfterRefactoringTheCode.ql 2021-04-12 08:14:17 +03:00
Dave Bartolomeo
0a86642056 C++: Refactor some side effect generation code 
This change was necessary for my upcoming changes to introduce side effect instructions for indirections of smart pointers. The code to decide which parameters have which side effects appeared in both the IPA constructor for `TTranslatedSideEffect` and in `TranslatedCall`. These two versions didn't quite agree, especially once the `SideEffectFunction` model provides its own side effects instead of the defaults.
The relevant code has now been factored out into `SideEffects.qll`. This queries the model if one exists, and provides default side effects if no model exists. This fixes at least one existing issue, where we were emitting a buffer read side effect for `*this` instead of an indirect read side effect. This accounts for all of the IR diffs in the tests.
 2021-04-09 16:14:03 -04:00
Mathias Vorreiter Pedersen
1510fe370d C++: Add cases for const pointer wrapper references to AddressFlow and FlowVar. 2021-04-09 20:58:05 +02:00
Mathias Vorreiter Pedersen
2329b31601 C++: Replace the new SmartPointerPartialDefinition with additional steps in AddressFlow.qll 2021-04-09 20:49:45 +02:00
Mathias Vorreiter Pedersen
a460e3ad3d Merge branch 'main' into ast-flow-smart-pointers 2021-04-09 19:41:10 +02:00
Geoffrey White
40637c18ce C++: Add change note. 2021-04-09 18:14:12 +01:00
Geoffrey White
0818c1d703 C++: Update QLDoc. 2021-04-09 18:11:48 +01:00
Tom Hvitved
f130616369 Data flow: Make getLocalCc private again 2021-04-09 16:22:58 +02:00
Geoffrey White
3b437fe6cf C++: Replace GVN with some other libraries. 2021-04-09 15:21:42 +01:00
Jonas Jensen
e1d0bbb021 Merge pull request #5607 from MathiasVP/smart-pointer-ast-read-store-steps 
C++: read and store steps for smart pointers in AST dataflow
 2021-04-09 16:11:48 +02:00
Mathias Vorreiter Pedersen
cd310eb9d5 C++: Remove unused import. 2021-04-09 15:08:48 +02:00
Mathias Vorreiter Pedersen
996cda9b97 C++: Fix incorrect test annotation. 2021-04-09 14:46:46 +02:00
Tom Hvitved
6874b8d4b3 Data flow: Prevent bad join-order in pathStep 2021-04-09 14:24:47 +02:00
Mathias Vorreiter Pedersen
80d5b17900 C++: Remove the dataflow rule for smart_ptr -> *smart_ptr. 2021-04-09 14:20:51 +02:00
Mathias Vorreiter Pedersen
cae0060a89 C++: Replace the new rules in DataFlowUtil with a dataflow model for pointer wrapper classes. 2021-04-09 14:06:58 +02:00
Mathias Vorreiter Pedersen
0a6aef71a2 C++: Respond to review comments. 2021-04-09 12:29:13 +02:00
ihsinme
9b3ccade43 Update test.c 2021-04-08 22:06:35 +03:00
ihsinme
3d117243e4 Update test.c 2021-04-08 22:05:31 +03:00
ihsinme
02eb447a35 Update InsufficientControlFlowManagementWhenUsingBitOperations.expected 2021-04-08 22:04:08 +03:00
ihsinme
a6b486a448 Update InsufficientControlFlowManagementWhenUsingBitOperations.ql 2021-04-08 22:01:43 +03:00
Jonas Jensen
51bab81f56 Merge pull request #5622 from MathiasVP/inline-is-before 
C++: Inline Location::isBefore
 2021-04-08 11:24:33 +02:00
Geoffrey White
517fd23ca5 C++: Correct and add to test cases. 2021-04-08 09:48:38 +01:00
ihsinme
ed34c96357 Update InsufficientControlFlowManagementWhenUsingBitOperations.ql 2021-04-07 21:40:49 +03:00
ihsinme
eb9b41acab Apply suggestions from code review 
Co-authored-by: Mathias Vorreiter Pedersen <mathiasvp@github.com>
 2021-04-07 21:31:12 +03:00
Jonas Jensen
ab58cb3d44 Merge pull request #5604 from MathiasVP/fix-false-positive-in-assign-where-compare-meant 
C++: Fix FP in cpp/assign-where-compare-meant
 2021-04-07 16:54:45 +02:00
Mathias Vorreiter Pedersen
03b12dbc6d C++: Inline Location::isBefore. 2021-04-07 15:45:08 +02:00
ihsinme
cbf158ea6b Add files via upload 2021-04-07 13:12:30 +03:00
ihsinme
36de496d47 Add files via upload 2021-04-07 13:12:29 +03:00
ihsinme
ed2a8db8c9 Add files via upload 2021-04-07 13:10:01 +03:00
ihsinme
9c3b7e81c7 Add files via upload 2021-04-07 13:10:00 +03:00
Robert Marsh
e22ec50dee Merge pull request #5613 from github/hmakholm/pr/fix-redos 
Fix ReDOS in cpp/ql/src/Security/CWE/CWE-428/UnsafeCreateProcessCall.ql
 2021-04-06 15:54:27 -07:00
Geoffrey White
a8193dac08 C++: Reintroduce the exprMightOverflowNegatively bit. 2021-04-06 22:36:59 +01:00
Geoffrey White
60e4faba4c C++: Add linear expression logic. 2021-04-06 22:28:36 +01:00
Geoffrey White
48ff8e237c C++: Rewrite the range analysis exclusion to be recursive and more robust. 2021-04-06 22:26:55 +01:00
Geoffrey White
3ecd13531f C++: Improve isGuarded. 2021-04-06 22:21:59 +01:00
Geoffrey White
59ff3f315b C++: Add test cases exploring issues and potential issues with the query (especially related to simple range analysis). 2021-04-06 22:21:25 +01:00
Henning Makholm
2d615ef503 Fix ReDOS in cpp/ql/src/Security/CWE/CWE-428/UnsafeCreateProcessCall.ql 
The sub-regex `(\s|.)*` aims to capture arbitrary string content
(in contrast to `.*` which doesn't match newlines), but it is
unsafe, since non-newline whitespace can match both alternatives.

This caused an evaluator crash in the wild.

Replace with `[\s\S]*`, which matches everything in a safe way.
 2021-04-06 20:10:57 +02:00
Mathias Vorreiter Pedersen
8382e85901 C++: Add flow into the source of read step and out of the target of a store step for smart pointers in AST dataflow. 2021-04-06 14:05:55 +02:00
Mathias Vorreiter Pedersen
f07d844362 C++: Add a test containing missing read/store dataflow steps for smart pointers. 2021-04-06 13:59:27 +02:00
Mathias Vorreiter Pedersen
5eb1f8abbd C++: Add change-note. 2021-04-06 11:47:57 +02:00
Mathias Vorreiter Pedersen
a5f4d43d61 C++: Fix false positive by adding another allow-list pattern in AssignWhereCompareMeant. 2021-04-06 11:01:38 +02:00
Mathias Vorreiter Pedersen
7045597139 C++: Add testcase with false positive from #5318. 2021-04-06 10:58:15 +02:00
Mathias Vorreiter Pedersen
32a8b9a857 C++: Move copy constructor to its own line and accept test changes. 2021-04-06 08:56:14 +02:00
Mathias Vorreiter Pedersen
ecbce88ec7 C++: Fix comment. 2021-03-31 22:23:50 +02:00
Mathias Vorreiter Pedersen
9ff894bf83 C++: Add support for AST dataflow out of functions that take a smart pointer by value. 2021-03-31 13:54:32 +02:00
Mathias Vorreiter Pedersen
e9e93c0eea Merge pull request #5558 from geoffw0/replace-tostring 
Replace toString use
 2021-03-31 13:50:41 +02:00
Geoffrey White
85ecfe2723 Update cpp/ql/src/experimental/Security/CWE/CWE-570/WrongInDetectingAndHandlingMemoryAllocationErrors.ql 
Co-authored-by: Mathias Vorreiter Pedersen <mathiasvp@github.com>
 2021-03-31 11:34:56 +01:00
Mathias Vorreiter Pedersen
8159098dc0 C++: Add test from issue #5190. 2021-03-31 11:32:01 +02:00
Dave Bartolomeo
0cc8eaf3b4 Merge pull request #5543 from MathiasVP/smart-ptr-like-class 
C++: Add a class that models wrapped pointer types
 2021-03-30 16:00:13 -04:00
Mathias Vorreiter Pedersen
fe76b0849b Merge pull request #5569 from geoffw0/memoryfree 
C++: Add a test of memory freed queries with strdup.
 2021-03-30 17:22:18 +02:00