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Ruby: Recognise try/try! as code executions

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This commit is contained in:
Harry Maclean
2022-10-28 12:14:29 +13:00
parent 3f403f0f87
commit fd61a5253d
4 changed files with 43 additions and 0 deletions
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9
ruby/ql/test/library-tests/frameworks/active_support/ActiveSupport.expected
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@@ -5,3 +5,12 @@ constantizeCalls
loggerInstantiations
| active_support.rb:6:1:6:33 | call to new |
| active_support.rb:7:1:7:40 | call to new |
codeExecutions
| active_support.rb:1:1:1:22 | call to constantize |
| active_support.rb:3:1:3:13 | call to constantize |
| active_support.rb:4:1:4:18 | call to safe_constantize |
| active_support.rb:296:5:296:18 | call to try |
| active_support.rb:297:5:297:17 | call to try |
| active_support.rb:298:5:298:19 | call to try! |
| active_support.rb:298:5:298:35 | call to try! |
| active_support.rb:299:5:299:18 | call to try! |

3
ruby/ql/test/library-tests/frameworks/active_support/ActiveSupport.ql
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@@ -1,9 +1,12 @@
import codeql.ruby.frameworks.ActiveSupport
import codeql.ruby.DataFlow
import codeql.ruby.frameworks.stdlib.Logger
import codeql.ruby.Concepts
query DataFlow::Node constantizeCalls(ActiveSupport::CoreExtensions::String::Constantize c) {
result = c.getCode()
}
query predicate loggerInstantiations(Logger::LoggerInstantiation l) { any() }
query predicate codeExecutions(CodeExecution c) { any() }

8
ruby/ql/test/library-tests/frameworks/active_support/active_support.rb
View File

@@ -290,3 +290,11 @@ def m_deep_dup
x = source "a"
sink x.deep_dup # $hasValueFlow=a
end
def m_try(method)
x = "abc"
x.try(:upcase)
x.try(method)
x.try!(:upcase).try!(:downcase)
x.try!(method)
end