Add comment about untrusted origin_cmd

9d12fa78 · Jacob Vosmaer · ca66ab51 · 9d12fa78
Commit 9d12fa78 authored Nov 26, 2015 by Jacob Vosmaer
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lib/gitlab_shell.rb lib/gitlab_shell.rb +3 -0

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--- a/lib/gitlab_shell.rb
+++ b/lib/gitlab_shell.rb
@@ -17,6 +17,9 @@ class GitlabShell
    @repos_path = @config.repos_path
  end

+  # The origin_cmd variable contains UNTRUSTED input. If the user ran
+  # ssh git@gitlab.example.com 'evil command', then origin_cmd contains
+  # 'evil command'.
  def exec(origin_cmd)
    unless origin_cmd
      puts "Welcome to GitLab, #{username}!"