Add CR/LF check to Net::FTP#status.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56885 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-11-23 15:10:19 +00:00 · 2016-11-23 15:10:19 +00:00 · ae40b481e7
commit ae40b481e7
parent e6efdb7bfd
1 changed files with 3 additions and 0 deletions
--- a/lib/net/ftp.rb
+++ b/lib/net/ftp.rb
@ -1231,6 +1231,9 @@ module Net
    #
    def status(pathname = nil)
      line = pathname ? "STAT #{pathname}" : "STAT"
+      if /[\r\n]/ =~ line
+        raise ArgumentError, "A line must not contain CR or LF"
+      end
      print "put: #{line}\n" if @debug_mode
      @sock.send(line + CRLF, Socket::MSG_OOB)
      return getresp