Commit Graph

3397 Commits

Author SHA1 Message Date
Harry Maclean
222aa41bbf Merge pull request #13938 from hmac/splat-flow-2
Ruby: More precise flow into splat parameters
2023-08-18 12:07:58 +01:00
Tom Hvitved
da8005dbd3 Code review suggestions 2023-08-17 09:26:58 +02:00
Jeroen Ketema
33e8310625 Merge branch 'main' into shared-taint-tracking 2023-08-17 00:14:25 +02:00
Tom Hvitved
44b734e120 Merge pull request #13955 from hvitved/ruby/type-tracking-capture-insensitive
Ruby: Make type tracking flow-insensitive for captured variables
2023-08-15 11:42:41 +02:00
Tom Hvitved
061575ff77 Merge pull request #13937 from hvitved/ruby/for-loop-desugar
Ruby: Improve desugaring of `for` loops
2023-08-14 20:12:12 +02:00
Arthur Baars
77db0cf547 Merge pull request #13334 from aibaars/print-cfg-2
Ruby: printCfg: only show graph for selected CfgScope
2023-08-14 18:24:20 +02:00
Tom Hvitved
e96cbeb00a Ruby: Adjust locations of synthesized nodes 2023-08-14 14:37:47 +02:00
Tom Hvitved
c084a9b27a Ruby: Make type tracking flow-insensitive for captured variables 2023-08-14 13:44:37 +02:00
Harry Maclean
d45e9101ba Ruby: Add change note 2023-08-14 11:20:58 +01:00
Harry Maclean
ca5456a54a Ruby: Remove duplicate disjuncts 2023-08-14 09:45:57 +01:00
Harry Maclean
6011d26823 Ruby: Restrict parameter nodes 2023-08-11 15:14:32 +01:00
Henry Mercer
1213eba630 Merge branch 'main' into post-release-prep/codeql-cli-2.14.2 2023-08-11 13:54:55 +01:00
Tom Hvitved
f19232f800 Ruby: Fix another bug in isCapturedAccess 2023-08-10 14:02:58 +02:00
Harry Maclean
b365ff095a Ruby: Fix SynthSplatParameterElementNode
Make this class into a proper subclass of `ParameterNodeImpl`, to
prevent some consistency test failures.
2023-08-10 12:35:12 +01:00
Tom Hvitved
77fca277fe Ruby: Improve desugaring of for loops 2023-08-10 13:22:01 +02:00
Tom Hvitved
4e954c29a2 Merge pull request #13936 from hvitved/ruby/captured-access-fix
Ruby: Fix bug in `isCapturedAccess`
2023-08-10 13:15:48 +02:00
Harry Maclean
5fff9fa8da More precise flow into splat parameters
We now precisely track flow from positional arguments to splat
parameters, provided that splat arguments are not used and there are no
positional parameters after the splat parameter. For example, in this
case:

    def f(x, y, *z); end

    f(a, b, c, d)

we get flow from `c` to `z[0]` and `d` to `z[1]`.

We get false flow if there are positional parameters after the splat
parameter. For example in this case:

    def g(x, y, *z, w); end

    g(a, b, c, d)

we get flow from `d` to `z[0]` instead of `w`.

We also track flow in this case

    def f(a, *b)
      sink b[0]
    end

    f(1, *[taint, 2])
2023-08-10 12:02:47 +01:00
Tom Hvitved
e40f0a7350 Ruby: Fix bug in isCapturedAccess 2023-08-10 09:37:04 +02:00
Maiky
97f8d1fca9 add getValue() method 2023-08-10 00:39:35 +02:00
Maiky
e60fa6f1a7 Remove unnecesary } 2023-08-10 00:25:47 +02:00
Maiky
c5c2df4593 fix Singleton set literal 2023-08-10 00:13:02 +02:00
github-actions[bot]
432c21d4fb Post-release preparation for codeql-cli-2.14.2 2023-08-09 18:45:18 +00:00
Harry Maclean
b03f6efa60 Ruby: Refactor 2023-08-09 15:01:40 +01:00
Harry Maclean
142393b599 Ruby: Handle unknown content in splat flow 2023-08-09 15:01:40 +01:00
Harry Maclean
4239268efd Ruby: Prevent some false flow into splat params
In cases where there are positional parameters after a splat parameter,
don't attempt to match the splat parameter to a splat argument. We need
more sophisticated modelling to handle these cases, which is future
work.
2023-08-09 15:01:40 +01:00
Harry Maclean
6f3e2cdde3 Ruby: Add change note 2023-08-09 15:01:40 +01:00
Harry Maclean
72356d1515 Ruby: track flow from *args to positional params
This models flow in the following case:

    def foo(x, y)
      sink x # 1
      sink y # 2
    end

    args = [source 1, source 2]
    foo(*args)

We do this by introducing a SynthSplatParameterNode which accepts
content from the splat argument, if one is given at the callsite.
From this node we add read steps to each positional parameter.
2023-08-09 15:01:40 +01:00
github-actions[bot]
79c90fa36a Release preparation for version 2.14.2 2023-08-07 18:08:52 +00:00
Jeroen Ketema
8b6a7985db Refactor the traint-tracking library to follow the dataflow library refactoring 2023-08-07 15:23:15 +02:00
Jeroen Ketema
5d2984b7a5 Merge branch 'main' into shared-taint-tracking 2023-08-07 15:22:29 +02:00
Tom Hvitved
db88b7da88 Ruby: Adjust to data flow refactor 2023-08-07 11:35:21 +02:00
Jeroen Ketema
747cd1745a Update all languages to use the shared taint-tracking library 2023-08-04 22:53:25 +02:00
Mathias Vorreiter Pedersen
abe3a816ce Merge pull request #13851 from MathiasVP/sink-without-states
DataFlow: Support stateless `isSink` in `StateConfigSig`s
2023-08-04 18:01:42 +02:00
Maiky
0cd1c1e2e5 Make private
Co-authored-by: Alex Ford <alexrford@users.noreply.github.com>
2023-08-03 17:08:50 +02:00
Maiky
0dec4876f1 Replace cast to DataFlow::CallNode
Co-authored-by: Alex Ford <alexrford@users.noreply.github.com>
2023-08-03 17:08:35 +02:00
Maiky
c54561e775 Merge branch 'main' into maikypedia/ldap-improper-auth 2023-08-03 16:49:30 +02:00
Maiky
fd649c1702 Fix getHost() (ldap.host = ip is not covered) 2023-08-03 16:37:48 +02:00
Maiky
f7a662814d simplify usesSsl() 2023-08-03 16:20:20 +02:00
Maiky
2d87489dfa change useSsl() to usesSsl() 2023-08-03 16:18:44 +02:00
Tom Hvitved
e011480114 Merge pull request #13509 from hvitved/cfg-pack
Convert shared CFG construction library to a parameterized module
2023-08-03 14:11:56 +02:00
Tom Hvitved
2ac646770e Merge ControlFlowTreeBase and AstNode 2023-08-03 10:59:26 +02:00
Tom Hvitved
525ed65b0b Rename getNode to getAstNode 2023-08-03 10:56:50 +02:00
Asger F
c38cbe859d Merge pull request #13737 from asgerf/dynamic/fuzzy-models
Dynamic: add Fuzzy token
2023-08-03 09:58:24 +02:00
Tom Hvitved
2f3e52646c Add class wrappers around newtype in Cfg.qll 2023-08-03 09:39:30 +02:00
Tom Hvitved
5d69e14cc1 Rename ControlFlowElement to AstNode 2023-08-03 09:39:30 +02:00
Tom Hvitved
1988397f93 Make shared CFG construction library a parameterized module 2023-08-03 09:39:30 +02:00
Mathias Vorreiter Pedersen
3007fdab5e Sync identical files. 2023-08-02 14:33:33 +02:00
Anders Schack-Mulligen
7bc8bf616f Merge pull request #13863 from aschackmull/dataflow/pack4
Dataflow: Move the shared library to a properly shared qlpack.
2023-08-02 14:19:49 +02:00
Anders Schack-Mulligen
73d4b126cf Ruby: Adjust to use the qlpack data-flow api. 2023-08-01 14:02:33 +02:00
Alex Ford
f437a6f729 Merge branch 'main' into maikypedia/ldap-injection 2023-07-31 16:00:41 +01:00