From 2b1e6e9696cb433c0e0da11145157d54275d119f Mon Sep 17 00:00:00 2001 From: Dong-hee Na Date: Sun, 23 Jul 2017 02:20:22 +0900 Subject: bpo-30119: fix ftplib.FTP.putline() to throw an error for a illegal command (#1214) --- Lib/ftplib.py | 2 ++ Lib/test/test_ftplib.py | 6 +++++- Misc/NEWS | 3 +++ 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/Lib/ftplib.py b/Lib/ftplib.py index 8f36f53..a02e595 100644 --- a/Lib/ftplib.py +++ b/Lib/ftplib.py @@ -186,6 +186,8 @@ class FTP: # Internal: send one line to the server, appending CRLF def putline(self, line): + if '\r' in line or '\n' in line: + raise ValueError('an illegal newline character should not be contained') line = line + CRLF if self.debugging > 1: print('*put*', self.sanitize(line)) diff --git a/Lib/test/test_ftplib.py b/Lib/test/test_ftplib.py index 6571816..24ea382 100644 --- a/Lib/test/test_ftplib.py +++ b/Lib/test/test_ftplib.py @@ -485,6 +485,9 @@ class TestFTPClass(TestCase): self.assertEqual(self.client.sanitize('PASS 12345'), repr('PASS *****')) def test_exceptions(self): + self.assertRaises(ValueError, self.client.sendcmd, 'echo 40\r\n0') + self.assertRaises(ValueError, self.client.sendcmd, 'echo 40\n0') + self.assertRaises(ValueError, self.client.sendcmd, 'echo 40\r0') self.assertRaises(ftplib.error_temp, self.client.sendcmd, 'echo 400') self.assertRaises(ftplib.error_temp, self.client.sendcmd, 'echo 499') self.assertRaises(ftplib.error_perm, self.client.sendcmd, 'echo 500') @@ -493,7 +496,8 @@ class TestFTPClass(TestCase): def test_all_errors(self): exceptions = (ftplib.error_reply, ftplib.error_temp, ftplib.error_perm, - ftplib.error_proto, ftplib.Error, OSError, EOFError) + ftplib.error_proto, ftplib.Error, OSError, + EOFError) for x in exceptions: try: raise x('exception not included in all_errors set') diff --git a/Misc/NEWS b/Misc/NEWS index ce4874a..38449c0 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -376,6 +376,9 @@ Extension Modules Library ------- +- bpo-30119: ftplib.FTP.putline() now throws ValueError on commands that contains + CR or LF. Patch by Dong-hee Na. + - bpo-30879: os.listdir() and os.scandir() now emit bytes names when called with bytes-like argument. -- cgit v0.12