diff options
author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-10-01 11:01:53 +0000 |
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committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-10-01 11:01:53 +0000 |
commit | 3af01ae1101e0b8815ae5a106be64b0e82a58640 (patch) | |
tree | 072c2615b32cdfc78ad23f2897d203cfb0bb46fb /lib | |
parent | f98b3023bd786b4e7dfdb94b573a5f5d3d37d145 (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_5@67814 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib')
-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 b52cb0043f..08ea5c874c 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 |