Commit Graph

5276 Commits

Author SHA1 Message Date
Robert Marsh
396ccda81f Merge pull request #3422 from Cornelius-Riemenschneider/inbounds-ptr
C++: Add InBoundsPointerDeref.qll to experimental
2020-05-13 16:55:42 -07:00
Mathias Vorreiter Pedersen
8f3ba75534 C++: Remove abstract keyword from Access and Cast and create .dbscheme unions 2020-05-13 23:15:11 +02:00
Mathias Vorreiter Pedersen
34314d0cb6 C++: Annotation field flow tests with [IR] and [AST] 2020-05-13 15:16:02 +02:00
Dave Bartolomeo
b0f7e9c6a7 C++: Accept test output 2020-05-13 08:02:17 -04:00
Jonas Jensen
1018eaff09 Merge remote-tracking branch 'upstream/master' into dataflow-indirect-args
Conflicts:
	cpp/ql/test/library-tests/dataflow/fields/ir-flow.expected
2020-05-13 12:05:58 +02:00
Jonas Jensen
038bea2f52 C++: Add type check to prevent field conflation 2020-05-13 09:25:24 +02:00
Jonas Jensen
250e12a323 C++: Demonstrate new field conflation 2020-05-13 09:24:36 +02:00
Dave Bartolomeo
5d3f25211d C++/C#: Remove UnmodeledUse instruction 2020-05-13 01:06:40 -04:00
Dave Bartolomeo
7f2c6dd9f9 C++/C#: Remove UnmodeledUseOperand 2020-05-13 01:05:27 -04:00
Jonas Jensen
451ae7b762 Merge pull request #3444 from dbartol/codeql-c-analysis-team/68
Rename `sanity` -> `consistency`
2020-05-12 12:33:08 +02:00
Mathias Vorreiter Pedersen
73882c9f90 Merge pull request #3439 from jbj/passesByReference-qualifier
C++: Call qualifiers are passed by reference
2020-05-12 08:31:57 +02:00
Mathias Vorreiter Pedersen
df6abdc074 Merge pull request #3389 from jbj/dataflow-defbyref-to-field
C++: Post-update flow through &, *, +, ...
2020-05-12 08:30:33 +02:00
Robert Marsh
090977447b Merge pull request #3445 from geoffw0/rangerounding
C++: Round result of >> in SimpleRangeAnalysis
2020-05-11 13:07:18 -07:00
Dave Bartolomeo
e5bd66809a C++/C#: Add QLDoc for renamed queries 2020-05-11 14:16:21 -04:00
Geoffrey White
a4fa4c859a C++: Fix rounding for >>. 2020-05-11 18:55:01 +01:00
Geoffrey White
b1c32deabc C++: Add some tests with 64-bit values. 2020-05-11 18:54:50 +01:00
Dave Bartolomeo
09d1da2f7a C++/C#: Rename sanity -> consistency
I did both of these languages together because they share some of the changed code via `identical-files.json`.
2020-05-11 13:29:52 -04:00
Jonas Jensen
cec73e689e Merge pull request #3393 from dbartol/codeql-c-analysis-team/40/1
C++: A few IR QLDoc comments
2020-05-11 15:56:43 +02:00
Jonas Jensen
48d2bd6102 C++: Improve suppression of duplicate sources
This fixes a cosmetic bug in `.../CWE-134/.../examples.c` in the
internal repo.
2020-05-11 14:44:53 +02:00
Jonas Jensen
3a89f43cd6 Merge remote-tracking branch 'upstream/master' into dataflow-indirect-args
Conflicts:
	cpp/ql/src/semmle/code/cpp/ir/dataflow/DefaultTaintTracking.qll
	cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll
	cpp/ql/test/library-tests/dataflow/DefaultTaintTracking/defaulttainttracking.cpp
	cpp/ql/test/library-tests/dataflow/DefaultTaintTracking/tainted.expected
	cpp/ql/test/library-tests/dataflow/DefaultTaintTracking/test_diff.expected
	cpp/ql/test/library-tests/dataflow/dataflow-tests/test_ir.expected
2020-05-11 14:44:17 +02:00
Jonas Jensen
3369453bb1 Merge pull request #3427 from MathiasVP/remove-abstract-from-builtin-op
C++: Remove abstract keyword from `BuiltInOperation`
2020-05-11 14:16:46 +02:00
Jonas Jensen
4f5b8f7306 Merge pull request #3430 from MathiasVP/comments-about-comments
C++: Add QLDoc to CaptionedComments.qll and CommentedOutCode.qll
2020-05-11 12:36:54 +02:00
Mathias Vorreiter Pedersen
715fa9e446 Simplify comment
Co-authored-by: Jonas Jensen <jbj@github.com>
2020-05-11 11:32:10 +02:00
Mathias Vorreiter Pedersen
104545f3a7 Replace 'Returns' with 'Gets'
Co-authored-by: Jonas Jensen <jbj@github.com>
2020-05-11 11:31:51 +02:00
Mathias Vorreiter Pedersen
411e52a231 C++: Replace @buildin_op with @builtin_op 2020-05-11 11:12:48 +02:00
Jonas Jensen
b3498bd0ad Merge pull request #3425 from MathiasVP/remove-more-abstract-classes
C++: Remove abstract keyword from a couple of AST classes
2020-05-11 10:55:35 +02:00
Jonas Jensen
bebd5ae36b C++: Call qualifiers are passed by reference
After #3382 changed the escape analysis to model qualifiers as escaping,
there was an imbalance in the SSA library, where `addressTakenVariable`
excludes variables from SSA analysis if they have their address taken
but are _not_ passed by reference. This showed up as a missing result in
`TOCTOUFilesystemRace.ql`, demonstrated with a test case in #3432.

This commit changes the definition of "pass by reference" to include
call qualifiers, which allows SSA modeling of variables that have member
function calls on them.
2020-05-11 09:39:48 +02:00
Jonas Jensen
8ff045b6a2 Merge pull request #3432 from geoffw0/toctou
C++: Add a test of TOCTOUFilesystemRace.ql
2020-05-11 09:18:51 +02:00
Jonas Jensen
71c21e6eca C++: Accept test changes forgotten in 32e04b403
Adding a new test case leads to changes in all `.expected` files in its
directory.

The new results show that the `DefinitionsAndUses` library does not
model `std::addressof` correctly, but that library is not intended to be
used for new code.
2020-05-11 08:17:13 +02:00
Cornelius Riemenschneider
3596ff7c51 Address review. 2020-05-10 19:34:16 +02:00
Mathias Vorreiter Pedersen
b34db333a5 C++: Add upgrade script 2020-05-09 13:41:39 +02:00
jcreedcmu
c9788a7928 Merge pull request #3308 from jcreedcmu/jcreed/jump-to-def
Add queries for VS Code jump-to-definition
2020-05-08 07:29:02 -04:00
Mathias Vorreiter Pedersen
86f283dff2 C++: Add new stats file from Jenkins job 2020-05-08 09:15:58 +02:00
Geoffrey White
bff97d9fe5 C++: Effect of #3382. 2020-05-07 19:06:05 +01:00
Geoffrey White
6499197087 C++: Add a test of TOCTOUFilesystemRace.ql. 2020-05-07 19:03:32 +01:00
Mathias Vorreiter Pedersen
8df25c3025 C++: Add QLDoc 2020-05-07 18:34:26 +02:00
Jonas Jensen
4b9a3f1482 Merge remote-tracking branch 'upstream/master' into dataflow-defbyref-to-field 2020-05-07 16:48:41 +02:00
Jonas Jensen
88eeca39fb Merge commit '52d8acc1a198c5ea29c1dddceda1d6c0fb75de14' into dataflow-defbyref-to-field
This is a partial merge from master. In particular, it takes in #3382
and #3385.
2020-05-07 16:46:11 +02:00
Jonas Jensen
5e8bd0a724 C++: Fix variable name in comment 2020-05-07 16:38:15 +02:00
Jonas Jensen
32e04b4033 C++: Support std::addressof
I didn't add this support in `AddressConstantExpression.qll` since I
think it would require extra work and testing to get the constexprness
right. My long-term plan for `AddressConstantExpression.qll` is to move
its functionality to the extractor.
2020-05-07 16:30:44 +02:00
Cornelius Riemenschneider
1aa7a827af Add QLDoc. 2020-05-07 14:53:41 +02:00
Mathias Vorreiter Pedersen
594f3b1807 C++: Add testcase for #3110 2020-05-07 14:39:53 +02:00
Dave Bartolomeo
e435484740 C++/C#: Fix formatting 2020-05-07 08:39:01 -04:00
Mathias Vorreiter Pedersen
43ffcfe730 C++: Remove abstract keyword from BuiltInOperation 2020-05-07 13:18:12 +02:00
Mathias Vorreiter Pedersen
dd0ca34038 C++: Remove abstract keyword from a couple of AST classes 2020-05-07 12:01:07 +02:00
Dave Bartolomeo
f0e86a9191 C++: Add missing module comment 2020-05-06 17:30:20 -04:00
Dave Bartolomeo
df4fdaf6ff C++: Fix PR feedback
Note that the various predicates to access the singleton instances of the `EdgeKind` classes have been moved into a module named `EdgeKind`.
2020-05-06 17:06:48 -04:00
Geoffrey White
c8524522c8 C++: Add test cases. 2020-05-06 18:51:50 +01:00
Cornelius Riemenschneider
e397e5d325 Add new testcase to arraylengthanalysis library. 2020-05-06 16:36:48 +02:00
Cornelius Riemenschneider
1c9fa4eb1d This library proves that a subset of pointer dereferences in a program are safe, i.e. in-bounds.
It does so by first defining what a pointer dereference is (on the IR
`Instruction` level), and then using the array length analysis and the range
analysis together to prove that some of these pointer dereferences are safe.
2020-05-06 16:36:48 +02:00