diff options
Diffstat (limited to 'Lib/test/test_smtpd.py')
| -rw-r--r-- | Lib/test/test_smtpd.py | 1018 |
1 files changed, 0 insertions, 1018 deletions
diff --git a/Lib/test/test_smtpd.py b/Lib/test/test_smtpd.py deleted file mode 100644 index d2e150d535f..00000000000 --- a/Lib/test/test_smtpd.py +++ /dev/null @@ -1,1018 +0,0 @@ -import unittest -import textwrap -from test import support, mock_socket -from test.support import socket_helper -from test.support import warnings_helper -import socket -import io - -import warnings -with warnings.catch_warnings(): - warnings.simplefilter('ignore', DeprecationWarning) - import smtpd - import asyncore - - -class DummyServer(smtpd.SMTPServer): - def __init__(self, *args, **kwargs): - smtpd.SMTPServer.__init__(self, *args, **kwargs) - self.messages = [] - if self._decode_data: - self.return_status = 'return status' - else: - self.return_status = b'return status' - - def process_message(self, peer, mailfrom, rcpttos, data, **kw): - self.messages.append((peer, mailfrom, rcpttos, data)) - if data == self.return_status: - return '250 Okish' - if 'mail_options' in kw and 'SMTPUTF8' in kw['mail_options']: - return '250 SMTPUTF8 message okish' - - -class DummyDispatcherBroken(Exception): - pass - - -class BrokenDummyServer(DummyServer): - def listen(self, num): - raise DummyDispatcherBroken() - - -class SMTPDServerTest(unittest.TestCase): - def setUp(self): - smtpd.socket = asyncore.socket = mock_socket - - def test_process_message_unimplemented(self): - server = smtpd.SMTPServer((socket_helper.HOST, 0), ('b', 0), - decode_data=True) - conn, addr = server.accept() - channel = smtpd.SMTPChannel(server, conn, addr, decode_data=True) - - def write_line(line): - channel.socket.queue_recv(line) - channel.handle_read() - - write_line(b'HELO example') - write_line(b'MAIL From:eggs@example') - write_line(b'RCPT To:spam@example') - write_line(b'DATA') - self.assertRaises(NotImplementedError, write_line, b'spam\r\n.\r\n') - - def test_decode_data_and_enable_SMTPUTF8_raises(self): - self.assertRaises( - ValueError, - smtpd.SMTPServer, - (socket_helper.HOST, 0), - ('b', 0), - enable_SMTPUTF8=True, - decode_data=True) - - def tearDown(self): - asyncore.close_all() - asyncore.socket = smtpd.socket = socket - - -class DebuggingServerTest(unittest.TestCase): - - def setUp(self): - smtpd.socket = asyncore.socket = mock_socket - - def send_data(self, channel, data, enable_SMTPUTF8=False): - def write_line(line): - channel.socket.queue_recv(line) - channel.handle_read() - write_line(b'EHLO example') - if enable_SMTPUTF8: - write_line(b'MAIL From:eggs@example BODY=8BITMIME SMTPUTF8') - else: - write_line(b'MAIL From:eggs@example') - write_line(b'RCPT To:spam@example') - write_line(b'DATA') - write_line(data) - write_line(b'.') - - def test_process_message_with_decode_data_true(self): - server = smtpd.DebuggingServer((socket_helper.HOST, 0), ('b', 0), - decode_data=True) - conn, addr = server.accept() - channel = smtpd.SMTPChannel(server, conn, addr, decode_data=True) - with support.captured_stdout() as s: - self.send_data(channel, b'From: test\n\nhello\n') - stdout = s.getvalue() - self.assertEqual(stdout, textwrap.dedent("""\ - ---------- MESSAGE FOLLOWS ---------- - From: test - X-Peer: peer-address - - hello - ------------ END MESSAGE ------------ - """)) - - def test_process_message_with_decode_data_false(self): - server = smtpd.DebuggingServer((socket_helper.HOST, 0), ('b', 0)) - conn, addr = server.accept() - channel = smtpd.SMTPChannel(server, conn, addr) - with support.captured_stdout() as s: - self.send_data(channel, b'From: test\n\nh\xc3\xa9llo\xff\n') - stdout = s.getvalue() - self.assertEqual(stdout, textwrap.dedent("""\ - ---------- MESSAGE FOLLOWS ---------- - b'From: test' - b'X-Peer: peer-address' - b'' - b'h\\xc3\\xa9llo\\xff' - ------------ END MESSAGE ------------ - """)) - - def test_process_message_with_enable_SMTPUTF8_true(self): - server = smtpd.DebuggingServer((socket_helper.HOST, 0), ('b', 0), - enable_SMTPUTF8=True) - conn, addr = server.accept() - channel = smtpd.SMTPChannel(server, conn, addr, enable_SMTPUTF8=True) - with support.captured_stdout() as s: - self.send_data(channel, b'From: test\n\nh\xc3\xa9llo\xff\n') - stdout = s.getvalue() - self.assertEqual(stdout, textwrap.dedent("""\ - ---------- MESSAGE FOLLOWS ---------- - b'From: test' - b'X-Peer: peer-address' - b'' - b'h\\xc3\\xa9llo\\xff' - ------------ END MESSAGE ------------ - """)) - - def test_process_SMTPUTF8_message_with_enable_SMTPUTF8_true(self): - server = smtpd.DebuggingServer((socket_helper.HOST, 0), ('b', 0), - enable_SMTPUTF8=True) - conn, addr = server.accept() - channel = smtpd.SMTPChannel(server, conn, addr, enable_SMTPUTF8=True) - with support.captured_stdout() as s: - self.send_data(channel, b'From: test\n\nh\xc3\xa9llo\xff\n', - enable_SMTPUTF8=True) - stdout = s.getvalue() - self.assertEqual(stdout, textwrap.dedent("""\ - ---------- MESSAGE FOLLOWS ---------- - mail options: ['BODY=8BITMIME', 'SMTPUTF8'] - b'From: test' - b'X-Peer: peer-address' - b'' - b'h\\xc3\\xa9llo\\xff' - ------------ END MESSAGE ------------ - """)) - - def tearDown(self): - asyncore.close_all() - asyncore.socket = smtpd.socket = socket - - -class TestFamilyDetection(unittest.TestCase): - def setUp(self): - smtpd.socket = asyncore.socket = mock_socket - - def tearDown(self): - asyncore.close_all() - asyncore.socket = smtpd.socket = socket - - @unittest.skipUnless(socket_helper.IPV6_ENABLED, "IPv6 not enabled") - def test_socket_uses_IPv6(self): - server = smtpd.SMTPServer((socket_helper.HOSTv6, 0), (socket_helper.HOSTv4, 0)) - self.assertEqual(server.socket.family, socket.AF_INET6) - - def test_socket_uses_IPv4(self): - server = smtpd.SMTPServer((socket_helper.HOSTv4, 0), (socket_helper.HOSTv6, 0)) - self.assertEqual(server.socket.family, socket.AF_INET) - - -class TestRcptOptionParsing(unittest.TestCase): - error_response = (b'555 RCPT TO parameters not recognized or not ' - b'implemented\r\n') - - def setUp(self): - smtpd.socket = asyncore.socket = mock_socket - self.old_debugstream = smtpd.DEBUGSTREAM - self.debug = smtpd.DEBUGSTREAM = io.StringIO() - - def tearDown(self): - asyncore.close_all() - asyncore.socket = smtpd.socket = socket - smtpd.DEBUGSTREAM = self.old_debugstream - - def write_line(self, channel, line): - channel.socket.queue_recv(line) - channel.handle_read() - - def test_params_rejected(self): - server = DummyServer((socket_helper.HOST, 0), ('b', 0)) - conn, addr = server.accept() - channel = smtpd.SMTPChannel(server, conn, addr) - self.write_line(channel, b'EHLO example') - self.write_line(channel, b'MAIL from: <foo@example.com> size=20') - self.write_line(channel, b'RCPT to: <foo@example.com> foo=bar') - self.assertEqual(channel.socket.last, self.error_response) - - def test_nothing_accepted(self): - server = DummyServer((socket_helper.HOST, 0), ('b', 0)) - conn, addr = server.accept() - channel = smtpd.SMTPChannel(server, conn, addr) - self.write_line(channel, b'EHLO example') - self.write_line(channel, b'MAIL from: <foo@example.com> size=20') - self.write_line(channel, b'RCPT to: <foo@example.com>') - self.assertEqual(channel.socket.last, b'250 OK\r\n') - - -class TestMailOptionParsing(unittest.TestCase): - error_response = (b'555 MAIL FROM parameters not recognized or not ' - b'implemented\r\n') - - def setUp(self): - smtpd.socket = asyncore.socket = mock_socket - self.old_debugstream = smtpd.DEBUGSTREAM - self.debug = smtpd.DEBUGSTREAM = io.StringIO() - - def tearDown(self): - asyncore.close_all() - asyncore.socket = smtpd.socket = socket - smtpd.DEBUGSTREAM = self.old_debugstream - - def write_line(self, channel, line): - channel.socket.queue_recv(line) - channel.handle_read() - - def test_with_decode_data_true(self): - server = DummyServer((socket_helper.HOST, 0), ('b', 0), decode_data=True) - conn, addr = server.accept() - channel = smtpd.SMTPChannel(server, conn, addr, decode_data=True) - self.write_line(channel, b'EHLO example') - for line in [ - b'MAIL from: <foo@example.com> size=20 SMTPUTF8', - b'MAIL from: <foo@example.com> size=20 SMTPUTF8 BODY=8BITMIME', - b'MAIL from: <foo@example.com> size=20 BODY=UNKNOWN', - b'MAIL from: <foo@example.com> size=20 body=8bitmime', - ]: - self.write_line(channel, line) - self.assertEqual(channel.socket.last, self.error_response) - self.write_line(channel, b'MAIL from: <foo@example.com> size=20') - self.assertEqual(channel.socket.last, b'250 OK\r\n') - - def test_with_decode_data_false(self): - server = DummyServer((socket_helper.HOST, 0), ('b', 0)) - conn, addr = server.accept() - channel = smtpd.SMTPChannel(server, conn, addr) - self.write_line(channel, b'EHLO example') - for line in [ - b'MAIL from: <foo@example.com> size=20 SMTPUTF8', - b'MAIL from: <foo@example.com> size=20 SMTPUTF8 BODY=8BITMIME', - ]: - self.write_line(channel, line) - self.assertEqual(channel.socket.last, self.error_response) - self.write_line( - channel, - b'MAIL from: <foo@example.com> size=20 SMTPUTF8 BODY=UNKNOWN') - self.assertEqual( - channel.socket.last, - b'501 Error: BODY can only be one of 7BIT, 8BITMIME\r\n') - self.write_line( - channel, b'MAIL from: <foo@example.com> size=20 body=8bitmime') - self.assertEqual(channel.socket.last, b'250 OK\r\n') - - def test_with_enable_smtputf8_true(self): - server = DummyServer((socket_helper.HOST, 0), ('b', 0), enable_SMTPUTF8=True) - conn, addr = server.accept() - channel = smtpd.SMTPChannel(server, conn, addr, enable_SMTPUTF8=True) - self.write_line(channel, b'EHLO example') - self.write_line( - channel, - b'MAIL from: <foo@example.com> size=20 body=8bitmime smtputf8') - self.assertEqual(channel.socket.last, b'250 OK\r\n') - - -class SMTPDChannelTest(unittest.TestCase): - def setUp(self): - smtpd.socket = asyncore.socket = mock_socket - self.old_debugstream = smtpd.DEBUGSTREAM - self.debug = smtpd.DEBUGSTREAM = io.StringIO() - self.server = DummyServer((socket_helper.HOST, 0), ('b', 0), - decode_data=True) - conn, addr = self.server.accept() - self.channel = smtpd.SMTPChannel(self.server, conn, addr, - decode_data=True) - - def tearDown(self): - asyncore.close_all() - asyncore.socket = smtpd.socket = socket - smtpd.DEBUGSTREAM = self.old_debugstream - - def write_line(self, line): - self.channel.socket.queue_recv(line) - self.channel.handle_read() - - def test_broken_connect(self): - self.assertRaises( - DummyDispatcherBroken, BrokenDummyServer, - (socket_helper.HOST, 0), ('b', 0), decode_data=True) - - def test_decode_data_and_enable_SMTPUTF8_raises(self): - self.assertRaises( - ValueError, smtpd.SMTPChannel, - self.server, self.channel.conn, self.channel.addr, - enable_SMTPUTF8=True, decode_data=True) - - def test_server_accept(self): - self.server.handle_accept() - - def test_missing_data(self): - self.write_line(b'') - self.assertEqual(self.channel.socket.last, - b'500 Error: bad syntax\r\n') - - def test_EHLO(self): - self.write_line(b'EHLO example') - self.assertEqual(self.channel.socket.last, b'250 HELP\r\n') - - def test_EHLO_bad_syntax(self): - self.write_line(b'EHLO') - self.assertEqual(self.channel.socket.last, - b'501 Syntax: EHLO hostname\r\n') - - def test_EHLO_duplicate(self): - self.write_line(b'EHLO example') - self.write_line(b'EHLO example') - self.assertEqual(self.channel.socket.last, - b'503 Duplicate HELO/EHLO\r\n') - - def test_EHLO_HELO_duplicate(self): - self.write_line(b'EHLO example') - self.write_line(b'HELO example') - self.assertEqual(self.channel.socket.last, - b'503 Duplicate HELO/EHLO\r\n') - - def test_HELO(self): - name = smtpd.socket.getfqdn() - self.write_line(b'HELO example') - self.assertEqual(self.channel.socket.last, - '250 {}\r\n'.format(name).encode('ascii')) - - def test_HELO_EHLO_duplicate(self): - self.write_line(b'HELO example') - self.write_line(b'EHLO example') - self.assertEqual(self.channel.socket.last, - b'503 Duplicate HELO/EHLO\r\n') - - def test_HELP(self): - self.write_line(b'HELP') - self.assertEqual(self.channel.socket.last, - b'250 Supported commands: EHLO HELO MAIL RCPT ' + \ - b'DATA RSET NOOP QUIT VRFY\r\n') - - def test_HELP_command(self): - self.write_line(b'HELP MAIL') - self.assertEqual(self.channel.socket.last, - b'250 Syntax: MAIL FROM: <address>\r\n') - - def test_HELP_command_unknown(self): - self.write_line(b'HELP SPAM') - self.assertEqual(self.channel.socket.last, - b'501 Supported commands: EHLO HELO MAIL RCPT ' + \ - b'DATA RSET NOOP QUIT VRFY\r\n') - - def test_HELO_bad_syntax(self): - self.write_line(b'HELO') - self.assertEqual(self.channel.socket.last, - b'501 Syntax: HELO hostname\r\n') - - def test_HELO_duplicate(self): - self.write_line(b'HELO example') - self.write_line(b'HELO example') - self.assertEqual(self.channel.socket.last, - b'503 Duplicate HELO/EHLO\r\n') - - def test_HELO_parameter_rejected_when_extensions_not_enabled(self): - self.extended_smtp = False - self.write_line(b'HELO example') - self.write_line(b'MAIL from:<foo@example.com> SIZE=1234') - self.assertEqual(self.channel.socket.last, - b'501 Syntax: MAIL FROM: <address>\r\n') - - def test_MAIL_allows_space_after_colon(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL from: <foo@example.com>') - self.assertEqual(self.channel.socket.last, - b'250 OK\r\n') - - def test_extended_MAIL_allows_space_after_colon(self): - self.write_line(b'EHLO example') - self.write_line(b'MAIL from: <foo@example.com> size=20') - self.assertEqual(self.channel.socket.last, - b'250 OK\r\n') - - def test_NOOP(self): - self.write_line(b'NOOP') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - - def test_HELO_NOOP(self): - self.write_line(b'HELO example') - self.write_line(b'NOOP') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - - def test_NOOP_bad_syntax(self): - self.write_line(b'NOOP hi') - self.assertEqual(self.channel.socket.last, - b'501 Syntax: NOOP\r\n') - - def test_QUIT(self): - self.write_line(b'QUIT') - self.assertEqual(self.channel.socket.last, b'221 Bye\r\n') - - def test_HELO_QUIT(self): - self.write_line(b'HELO example') - self.write_line(b'QUIT') - self.assertEqual(self.channel.socket.last, b'221 Bye\r\n') - - def test_QUIT_arg_ignored(self): - self.write_line(b'QUIT bye bye') - self.assertEqual(self.channel.socket.last, b'221 Bye\r\n') - - def test_bad_state(self): - self.channel.smtp_state = 'BAD STATE' - self.write_line(b'HELO example') - self.assertEqual(self.channel.socket.last, - b'451 Internal confusion\r\n') - - def test_command_too_long(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL from: ' + - b'a' * self.channel.command_size_limit + - b'@example') - self.assertEqual(self.channel.socket.last, - b'500 Error: line too long\r\n') - - def test_MAIL_command_limit_extended_with_SIZE(self): - self.write_line(b'EHLO example') - fill_len = self.channel.command_size_limit - len('MAIL from:<@example>') - self.write_line(b'MAIL from:<' + - b'a' * fill_len + - b'@example> SIZE=1234') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - - self.write_line(b'MAIL from:<' + - b'a' * (fill_len + 26) + - b'@example> SIZE=1234') - self.assertEqual(self.channel.socket.last, - b'500 Error: line too long\r\n') - - def test_MAIL_command_rejects_SMTPUTF8_by_default(self): - self.write_line(b'EHLO example') - self.write_line( - b'MAIL from: <naive@example.com> BODY=8BITMIME SMTPUTF8') - self.assertEqual(self.channel.socket.last[0:1], b'5') - - def test_data_longer_than_default_data_size_limit(self): - # Hack the default so we don't have to generate so much data. - self.channel.data_size_limit = 1048 - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.write_line(b'RCPT To:spam@example') - self.write_line(b'DATA') - self.write_line(b'A' * self.channel.data_size_limit + - b'A\r\n.') - self.assertEqual(self.channel.socket.last, - b'552 Error: Too much mail data\r\n') - - def test_MAIL_size_parameter(self): - self.write_line(b'EHLO example') - self.write_line(b'MAIL FROM:<eggs@example> SIZE=512') - self.assertEqual(self.channel.socket.last, - b'250 OK\r\n') - - def test_MAIL_invalid_size_parameter(self): - self.write_line(b'EHLO example') - self.write_line(b'MAIL FROM:<eggs@example> SIZE=invalid') - self.assertEqual(self.channel.socket.last, - b'501 Syntax: MAIL FROM: <address> [SP <mail-parameters>]\r\n') - - def test_MAIL_RCPT_unknown_parameters(self): - self.write_line(b'EHLO example') - self.write_line(b'MAIL FROM:<eggs@example> ham=green') - self.assertEqual(self.channel.socket.last, - b'555 MAIL FROM parameters not recognized or not implemented\r\n') - - self.write_line(b'MAIL FROM:<eggs@example>') - self.write_line(b'RCPT TO:<eggs@example> ham=green') - self.assertEqual(self.channel.socket.last, - b'555 RCPT TO parameters not recognized or not implemented\r\n') - - def test_MAIL_size_parameter_larger_than_default_data_size_limit(self): - self.channel.data_size_limit = 1048 - self.write_line(b'EHLO example') - self.write_line(b'MAIL FROM:<eggs@example> SIZE=2096') - self.assertEqual(self.channel.socket.last, - b'552 Error: message size exceeds fixed maximum message size\r\n') - - def test_need_MAIL(self): - self.write_line(b'HELO example') - self.write_line(b'RCPT to:spam@example') - self.assertEqual(self.channel.socket.last, - b'503 Error: need MAIL command\r\n') - - def test_MAIL_syntax_HELO(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL from eggs@example') - self.assertEqual(self.channel.socket.last, - b'501 Syntax: MAIL FROM: <address>\r\n') - - def test_MAIL_syntax_EHLO(self): - self.write_line(b'EHLO example') - self.write_line(b'MAIL from eggs@example') - self.assertEqual(self.channel.socket.last, - b'501 Syntax: MAIL FROM: <address> [SP <mail-parameters>]\r\n') - - def test_MAIL_missing_address(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL from:') - self.assertEqual(self.channel.socket.last, - b'501 Syntax: MAIL FROM: <address>\r\n') - - def test_MAIL_chevrons(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL from:<eggs@example>') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - - def test_MAIL_empty_chevrons(self): - self.write_line(b'EHLO example') - self.write_line(b'MAIL from:<>') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - - def test_MAIL_quoted_localpart(self): - self.write_line(b'EHLO example') - self.write_line(b'MAIL from: <"Fred Blogs"@example.com>') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - self.assertEqual(self.channel.mailfrom, '"Fred Blogs"@example.com') - - def test_MAIL_quoted_localpart_no_angles(self): - self.write_line(b'EHLO example') - self.write_line(b'MAIL from: "Fred Blogs"@example.com') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - self.assertEqual(self.channel.mailfrom, '"Fred Blogs"@example.com') - - def test_MAIL_quoted_localpart_with_size(self): - self.write_line(b'EHLO example') - self.write_line(b'MAIL from: <"Fred Blogs"@example.com> SIZE=1000') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - self.assertEqual(self.channel.mailfrom, '"Fred Blogs"@example.com') - - def test_MAIL_quoted_localpart_with_size_no_angles(self): - self.write_line(b'EHLO example') - self.write_line(b'MAIL from: "Fred Blogs"@example.com SIZE=1000') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - self.assertEqual(self.channel.mailfrom, '"Fred Blogs"@example.com') - - def test_nested_MAIL(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL from:eggs@example') - self.write_line(b'MAIL from:spam@example') - self.assertEqual(self.channel.socket.last, - b'503 Error: nested MAIL command\r\n') - - def test_VRFY(self): - self.write_line(b'VRFY eggs@example') - self.assertEqual(self.channel.socket.last, - b'252 Cannot VRFY user, but will accept message and attempt ' + \ - b'delivery\r\n') - - def test_VRFY_syntax(self): - self.write_line(b'VRFY') - self.assertEqual(self.channel.socket.last, - b'501 Syntax: VRFY <address>\r\n') - - def test_EXPN_not_implemented(self): - self.write_line(b'EXPN') - self.assertEqual(self.channel.socket.last, - b'502 EXPN not implemented\r\n') - - def test_no_HELO_MAIL(self): - self.write_line(b'MAIL from:<foo@example.com>') - self.assertEqual(self.channel.socket.last, - b'503 Error: send HELO first\r\n') - - def test_need_RCPT(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.write_line(b'DATA') - self.assertEqual(self.channel.socket.last, - b'503 Error: need RCPT command\r\n') - - def test_RCPT_syntax_HELO(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From: eggs@example') - self.write_line(b'RCPT to eggs@example') - self.assertEqual(self.channel.socket.last, - b'501 Syntax: RCPT TO: <address>\r\n') - - def test_RCPT_syntax_EHLO(self): - self.write_line(b'EHLO example') - self.write_line(b'MAIL From: eggs@example') - self.write_line(b'RCPT to eggs@example') - self.assertEqual(self.channel.socket.last, - b'501 Syntax: RCPT TO: <address> [SP <mail-parameters>]\r\n') - - def test_RCPT_lowercase_to_OK(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From: eggs@example') - self.write_line(b'RCPT to: <eggs@example>') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - - def test_no_HELO_RCPT(self): - self.write_line(b'RCPT to eggs@example') - self.assertEqual(self.channel.socket.last, - b'503 Error: send HELO first\r\n') - - def test_data_dialog(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - self.write_line(b'RCPT To:spam@example') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - - self.write_line(b'DATA') - self.assertEqual(self.channel.socket.last, - b'354 End data with <CR><LF>.<CR><LF>\r\n') - self.write_line(b'data\r\nmore\r\n.') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - self.assertEqual(self.server.messages, - [(('peer-address', 'peer-port'), - 'eggs@example', - ['spam@example'], - 'data\nmore')]) - - def test_DATA_syntax(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.write_line(b'RCPT To:spam@example') - self.write_line(b'DATA spam') - self.assertEqual(self.channel.socket.last, b'501 Syntax: DATA\r\n') - - def test_no_HELO_DATA(self): - self.write_line(b'DATA spam') - self.assertEqual(self.channel.socket.last, - b'503 Error: send HELO first\r\n') - - def test_data_transparency_section_4_5_2(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.write_line(b'RCPT To:spam@example') - self.write_line(b'DATA') - self.write_line(b'..\r\n.\r\n') - self.assertEqual(self.channel.received_data, '.') - - def test_multiple_RCPT(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.write_line(b'RCPT To:spam@example') - self.write_line(b'RCPT To:ham@example') - self.write_line(b'DATA') - self.write_line(b'data\r\n.') - self.assertEqual(self.server.messages, - [(('peer-address', 'peer-port'), - 'eggs@example', - ['spam@example','ham@example'], - 'data')]) - - def test_manual_status(self): - # checks that the Channel is able to return a custom status message - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.write_line(b'RCPT To:spam@example') - self.write_line(b'DATA') - self.write_line(b'return status\r\n.') - self.assertEqual(self.channel.socket.last, b'250 Okish\r\n') - - def test_RSET(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.write_line(b'RCPT To:spam@example') - self.write_line(b'RSET') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - self.write_line(b'MAIL From:foo@example') - self.write_line(b'RCPT To:eggs@example') - self.write_line(b'DATA') - self.write_line(b'data\r\n.') - self.assertEqual(self.server.messages, - [(('peer-address', 'peer-port'), - 'foo@example', - ['eggs@example'], - 'data')]) - - def test_HELO_RSET(self): - self.write_line(b'HELO example') - self.write_line(b'RSET') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - - def test_RSET_syntax(self): - self.write_line(b'RSET hi') - self.assertEqual(self.channel.socket.last, b'501 Syntax: RSET\r\n') - - def test_unknown_command(self): - self.write_line(b'UNKNOWN_CMD') - self.assertEqual(self.channel.socket.last, - b'500 Error: command "UNKNOWN_CMD" not ' + \ - b'recognized\r\n') - - def test_attribute_deprecations(self): - with warnings_helper.check_warnings(('', DeprecationWarning)): - spam = self.channel._SMTPChannel__server - with warnings_helper.check_warnings(('', DeprecationWarning)): - self.channel._SMTPChannel__server = 'spam' - with warnings_helper.check_warnings(('', DeprecationWarning)): - spam = self.channel._SMTPChannel__line - with warnings_helper.check_warnings(('', DeprecationWarning)): - self.channel._SMTPChannel__line = 'spam' - with warnings_helper.check_warnings(('', DeprecationWarning)): - spam = self.channel._SMTPChannel__state - with warnings_helper.check_warnings(('', DeprecationWarning)): - self.channel._SMTPChannel__state = 'spam' - with warnings_helper.check_warnings(('', DeprecationWarning)): - spam = self.channel._SMTPChannel__greeting - with warnings_helper.check_warnings(('', DeprecationWarning)): - self.channel._SMTPChannel__greeting = 'spam' - with warnings_helper.check_warnings(('', DeprecationWarning)): - spam = self.channel._SMTPChannel__mailfrom - with warnings_helper.check_warnings(('', DeprecationWarning)): - self.channel._SMTPChannel__mailfrom = 'spam' - with warnings_helper.check_warnings(('', DeprecationWarning)): - spam = self.channel._SMTPChannel__rcpttos - with warnings_helper.check_warnings(('', DeprecationWarning)): - self.channel._SMTPChannel__rcpttos = 'spam' - with warnings_helper.check_warnings(('', DeprecationWarning)): - spam = self.channel._SMTPChannel__data - with warnings_helper.check_warnings(('', DeprecationWarning)): - self.channel._SMTPChannel__data = 'spam' - with warnings_helper.check_warnings(('', DeprecationWarning)): - spam = self.channel._SMTPChannel__fqdn - with warnings_helper.check_warnings(('', DeprecationWarning)): - self.channel._SMTPChannel__fqdn = 'spam' - with warnings_helper.check_warnings(('', DeprecationWarning)): - spam = self.channel._SMTPChannel__peer - with warnings_helper.check_warnings(('', DeprecationWarning)): - self.channel._SMTPChannel__peer = 'spam' - with warnings_helper.check_warnings(('', DeprecationWarning)): - spam = self.channel._SMTPChannel__conn - with warnings_helper.check_warnings(('', DeprecationWarning)): - self.channel._SMTPChannel__conn = 'spam' - with warnings_helper.check_warnings(('', DeprecationWarning)): - spam = self.channel._SMTPChannel__addr - with warnings_helper.check_warnings(('', DeprecationWarning)): - self.channel._SMTPChannel__addr = 'spam' - -@unittest.skipUnless(socket_helper.IPV6_ENABLED, "IPv6 not enabled") -class SMTPDChannelIPv6Test(SMTPDChannelTest): - def setUp(self): - smtpd.socket = asyncore.socket = mock_socket - self.old_debugstream = smtpd.DEBUGSTREAM - self.debug = smtpd.DEBUGSTREAM = io.StringIO() - self.server = DummyServer((socket_helper.HOSTv6, 0), ('b', 0), - decode_data=True) - conn, addr = self.server.accept() - self.channel = smtpd.SMTPChannel(self.server, conn, addr, - decode_data=True) - -class SMTPDChannelWithDataSizeLimitTest(unittest.TestCase): - - def setUp(self): - smtpd.socket = asyncore.socket = mock_socket - self.old_debugstream = smtpd.DEBUGSTREAM - self.debug = smtpd.DEBUGSTREAM = io.StringIO() - self.server = DummyServer((socket_helper.HOST, 0), ('b', 0), - decode_data=True) - conn, addr = self.server.accept() - # Set DATA size limit to 32 bytes for easy testing - self.channel = smtpd.SMTPChannel(self.server, conn, addr, 32, - decode_data=True) - - def tearDown(self): - asyncore.close_all() - asyncore.socket = smtpd.socket = socket - smtpd.DEBUGSTREAM = self.old_debugstream - - def write_line(self, line): - self.channel.socket.queue_recv(line) - self.channel.handle_read() - - def test_data_limit_dialog(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - self.write_line(b'RCPT To:spam@example') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - - self.write_line(b'DATA') - self.assertEqual(self.channel.socket.last, - b'354 End data with <CR><LF>.<CR><LF>\r\n') - self.write_line(b'data\r\nmore\r\n.') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - self.assertEqual(self.server.messages, - [(('peer-address', 'peer-port'), - 'eggs@example', - ['spam@example'], - 'data\nmore')]) - - def test_data_limit_dialog_too_much_data(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - self.write_line(b'RCPT To:spam@example') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - - self.write_line(b'DATA') - self.assertEqual(self.channel.socket.last, - b'354 End data with <CR><LF>.<CR><LF>\r\n') - self.write_line(b'This message is longer than 32 bytes\r\n.') - self.assertEqual(self.channel.socket.last, - b'552 Error: Too much mail data\r\n') - - -class SMTPDChannelWithDecodeDataFalse(unittest.TestCase): - - def setUp(self): - smtpd.socket = asyncore.socket = mock_socket - self.old_debugstream = smtpd.DEBUGSTREAM - self.debug = smtpd.DEBUGSTREAM = io.StringIO() - self.server = DummyServer((socket_helper.HOST, 0), ('b', 0)) - conn, addr = self.server.accept() - self.channel = smtpd.SMTPChannel(self.server, conn, addr) - - def tearDown(self): - asyncore.close_all() - asyncore.socket = smtpd.socket = socket - smtpd.DEBUGSTREAM = self.old_debugstream - - def write_line(self, line): - self.channel.socket.queue_recv(line) - self.channel.handle_read() - - def test_ascii_data(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.write_line(b'RCPT To:spam@example') - self.write_line(b'DATA') - self.write_line(b'plain ascii text') - self.write_line(b'.') - self.assertEqual(self.channel.received_data, b'plain ascii text') - - def test_utf8_data(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.write_line(b'RCPT To:spam@example') - self.write_line(b'DATA') - self.write_line(b'utf8 enriched text: \xc5\xbc\xc5\xba\xc4\x87') - self.write_line(b'and some plain ascii') - self.write_line(b'.') - self.assertEqual( - self.channel.received_data, - b'utf8 enriched text: \xc5\xbc\xc5\xba\xc4\x87\n' - b'and some plain ascii') - - -class SMTPDChannelWithDecodeDataTrue(unittest.TestCase): - - def setUp(self): - smtpd.socket = asyncore.socket = mock_socket - self.old_debugstream = smtpd.DEBUGSTREAM - self.debug = smtpd.DEBUGSTREAM = io.StringIO() - self.server = DummyServer((socket_helper.HOST, 0), ('b', 0), - decode_data=True) - conn, addr = self.server.accept() - # Set decode_data to True - self.channel = smtpd.SMTPChannel(self.server, conn, addr, - decode_data=True) - - def tearDown(self): - asyncore.close_all() - asyncore.socket = smtpd.socket = socket - smtpd.DEBUGSTREAM = self.old_debugstream - - def write_line(self, line): - self.channel.socket.queue_recv(line) - self.channel.handle_read() - - def test_ascii_data(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.write_line(b'RCPT To:spam@example') - self.write_line(b'DATA') - self.write_line(b'plain ascii text') - self.write_line(b'.') - self.assertEqual(self.channel.received_data, 'plain ascii text') - - def test_utf8_data(self): - self.write_line(b'HELO example') - self.write_line(b'MAIL From:eggs@example') - self.write_line(b'RCPT To:spam@example') - self.write_line(b'DATA') - self.write_line(b'utf8 enriched text: \xc5\xbc\xc5\xba\xc4\x87') - self.write_line(b'and some plain ascii') - self.write_line(b'.') - self.assertEqual( - self.channel.received_data, - 'utf8 enriched text: żźć\nand some plain ascii') - - -class SMTPDChannelTestWithEnableSMTPUTF8True(unittest.TestCase): - def setUp(self): - smtpd.socket = asyncore.socket = mock_socket - self.old_debugstream = smtpd.DEBUGSTREAM - self.debug = smtpd.DEBUGSTREAM = io.StringIO() - self.server = DummyServer((socket_helper.HOST, 0), ('b', 0), - enable_SMTPUTF8=True) - conn, addr = self.server.accept() - self.channel = smtpd.SMTPChannel(self.server, conn, addr, - enable_SMTPUTF8=True) - - def tearDown(self): - asyncore.close_all() - asyncore.socket = smtpd.socket = socket - smtpd.DEBUGSTREAM = self.old_debugstream - - def write_line(self, line): - self.channel.socket.queue_recv(line) - self.channel.handle_read() - - def test_MAIL_command_accepts_SMTPUTF8_when_announced(self): - self.write_line(b'EHLO example') - self.write_line( - 'MAIL from: <naïve@example.com> BODY=8BITMIME SMTPUTF8'.encode( - 'utf-8') - ) - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - - def test_process_smtputf8_message(self): - self.write_line(b'EHLO example') - for mail_parameters in [b'', b'BODY=8BITMIME SMTPUTF8']: - self.write_line(b'MAIL from: <a@example> ' + mail_parameters) - self.assertEqual(self.channel.socket.last[0:3], b'250') - self.write_line(b'rcpt to:<b@example.com>') - self.assertEqual(self.channel.socket.last[0:3], b'250') - self.write_line(b'data') - self.assertEqual(self.channel.socket.last[0:3], b'354') - self.write_line(b'c\r\n.') - if mail_parameters == b'': - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - else: - self.assertEqual(self.channel.socket.last, - b'250 SMTPUTF8 message okish\r\n') - - def test_utf8_data(self): - self.write_line(b'EHLO example') - self.write_line( - 'MAIL From: naïve@examplé BODY=8BITMIME SMTPUTF8'.encode('utf-8')) - self.assertEqual(self.channel.socket.last[0:3], b'250') - self.write_line('RCPT To:späm@examplé'.encode('utf-8')) - self.assertEqual(self.channel.socket.last[0:3], b'250') - self.write_line(b'DATA') - self.assertEqual(self.channel.socket.last[0:3], b'354') - self.write_line(b'utf8 enriched text: \xc5\xbc\xc5\xba\xc4\x87') - self.write_line(b'.') - self.assertEqual( - self.channel.received_data, - b'utf8 enriched text: \xc5\xbc\xc5\xba\xc4\x87') - - def test_MAIL_command_limit_extended_with_SIZE_and_SMTPUTF8(self): - self.write_line(b'ehlo example') - fill_len = (512 + 26 + 10) - len('mail from:<@example>') - self.write_line(b'MAIL from:<' + - b'a' * (fill_len + 1) + - b'@example>') - self.assertEqual(self.channel.socket.last, - b'500 Error: line too long\r\n') - self.write_line(b'MAIL from:<' + - b'a' * fill_len + - b'@example>') - self.assertEqual(self.channel.socket.last, b'250 OK\r\n') - - def test_multiple_emails_with_extended_command_length(self): - self.write_line(b'ehlo example') - fill_len = (512 + 26 + 10) - len('mail from:<@example>') - for char in [b'a', b'b', b'c']: - self.write_line(b'MAIL from:<' + char * fill_len + b'a@example>') - self.assertEqual(self.channel.socket.last[0:3], b'500') - self.write_line(b'MAIL from:<' + char * fill_len + b'@example>') - self.assertEqual(self.channel.socket.last[0:3], b'250') - self.write_line(b'rcpt to:<hans@example.com>') - self.assertEqual(self.channel.socket.last[0:3], b'250') - self.write_line(b'data') - self.assertEqual(self.channel.socket.last[0:3], b'354') - self.write_line(b'test\r\n.') - self.assertEqual(self.channel.socket.last[0:3], b'250') - - -class MiscTestCase(unittest.TestCase): - def test__all__(self): - not_exported = { - "program", "Devnull", "DEBUGSTREAM", "NEWLINE", "COMMASPACE", - "DATA_SIZE_DEFAULT", "usage", "Options", "parseargs", - } - support.check__all__(self, smtpd, not_exported=not_exported) - - -if __name__ == "__main__": - unittest.main() |