diff options
| author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-10-01 11:06:17 +0000 |
|---|---|---|
| committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-10-01 11:06:17 +0000 |
| commit | 1a45b0448224009a9bde9b28ae259d8674c792be (patch) | |
| tree | f2400614ee15802048f94accd0b2c0ab2b523560 /lib/shell/command-processor.rb | |
| parent | 8eff476bce40b52f244b8c912d1a5f40aa64b683 (diff) | |
lib/shell/command-processor.rb (Shell#[]): prevent unknown command
`FileTest.send(command, ...)` allows to call not only FileTest-related
methods but also any method that belongs to Kernel, Object, etc.
patched by <mame@ruby-lang.org>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@67820 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/shell/command-processor.rb')
| -rw-r--r-- | lib/shell/command-processor.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/shell/command-processor.rb b/lib/shell/command-processor.rb index 2239ca98f6..b50f4003a7 100644 --- a/lib/shell/command-processor.rb +++ b/lib/shell/command-processor.rb @@ -180,6 +180,9 @@ class Shell top_level_test(command, file1) end else + unless FileTest.methods(false).include?(command.to_sym) + raise "unsupported command: #{ command }" + end if file2 FileTest.send(command, file1, file2) else |