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svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r87317 | antoine.pitrou | 2010-12-16 17:48:36 +0100 (jeu., 16 déc. 2010) | 4 lines Issue #10714: Limit length of incoming request in http.server to 65536 bytes for security reasons. Initial patch by Ross Lagerwall. ........ (also backport some tests)
This commit is contained in:
Antoine Pitrou
parent
0da0c48e23
commit
3022ce1a14
@ -333,7 +333,13 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
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commands such as GET and POST.
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"""
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self.raw_requestline = self.rfile.readline()
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self.raw_requestline = self.rfile.readline(65537)
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if len(self.raw_requestline) > 65536:
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self.requestline = ''
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self.request_version = ''
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self.command = ''
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self.send_error(414)
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return
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if not self.raw_requestline:
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self.close_connection = 1
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return
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@ -478,6 +478,107 @@ class CGIHTTPServerTestCase(BaseTestCase):
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(res.read(), res.getheader('Content-type'), res.status))
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self.assertEqual(os.environ['SERVER_SOFTWARE'], signature)
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class SocketlessRequestHandler(SimpleHTTPRequestHandler):
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def __init__(self):
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self.get_called = False
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self.protocol_version = "HTTP/1.1"
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def do_GET(self):
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self.get_called = True
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self.send_response(200)
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self.send_header('Content-Type', 'text/html')
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self.end_headers()
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self.wfile.write(b'<html><body>Data</body></html>\r\n')
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def log_message(self, format, *args):
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pass
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class BaseHTTPRequestHandlerTestCase(unittest.TestCase):
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"""Test the functionaility of the BaseHTTPServer.
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"""
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HTTPResponseMatch = re.compile(b'HTTP/1.[0-9]+ 200 OK')
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def setUp (self):
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self.handler = SocketlessRequestHandler()
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def send_typical_request(self, message):
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input = BytesIO(message)
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output = BytesIO()
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self.handler.rfile = input
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self.handler.wfile = output
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self.handler.handle_one_request()
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output.seek(0)
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return output.readlines()
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def verify_get_called(self):
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self.assertTrue(self.handler.get_called)
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def verify_expected_headers(self, headers):
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for fieldName in b'Server: ', b'Date: ', b'Content-Type: ':
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self.assertEqual(sum(h.startswith(fieldName) for h in headers), 1)
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def verify_http_server_response(self, response):
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match = self.HTTPResponseMatch.search(response)
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self.assertTrue(match is not None)
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def test_http_1_1(self):
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result = self.send_typical_request(b'GET / HTTP/1.1\r\n\r\n')
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self.verify_http_server_response(result[0])
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self.verify_expected_headers(result[1:-1])
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self.verify_get_called()
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self.assertEqual(result[-1], b'<html><body>Data</body></html>\r\n')
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def test_http_1_0(self):
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result = self.send_typical_request(b'GET / HTTP/1.0\r\n\r\n')
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self.verify_http_server_response(result[0])
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self.verify_expected_headers(result[1:-1])
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self.verify_get_called()
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self.assertEqual(result[-1], b'<html><body>Data</body></html>\r\n')
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def test_http_0_9(self):
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result = self.send_typical_request(b'GET / HTTP/0.9\r\n\r\n')
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self.assertEqual(len(result), 1)
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self.assertEqual(result[0], b'<html><body>Data</body></html>\r\n')
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self.verify_get_called()
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def test_with_continue_1_0(self):
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result = self.send_typical_request(b'GET / HTTP/1.0\r\nExpect: 100-continue\r\n\r\n')
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self.verify_http_server_response(result[0])
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self.verify_expected_headers(result[1:-1])
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self.verify_get_called()
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self.assertEqual(result[-1], b'<html><body>Data</body></html>\r\n')
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def test_request_length(self):
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# Issue #10714: huge request lines are discarded, to avoid Denial
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# of Service attacks.
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result = self.send_typical_request(b'GET ' + b'x' * 65537)
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self.assertEqual(result[0], b'HTTP/1.1 414 Request-URI Too Long\r\n')
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self.assertFalse(self.handler.get_called)
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class SimpleHTTPRequestHandlerTestCase(unittest.TestCase):
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""" Test url parsing """
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def setUp(self):
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self.translated = os.getcwd()
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self.translated = os.path.join(self.translated, 'filename')
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self.handler = SocketlessRequestHandler()
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def test_query_arguments(self):
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path = self.handler.translate_path('/filename')
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self.assertEqual(path, self.translated)
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path = self.handler.translate_path('/filename?foo=bar')
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self.assertEqual(path, self.translated)
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path = self.handler.translate_path('/filename?a=b&spam=eggs#zot')
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self.assertEqual(path, self.translated)
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def test_start_with_double_slash(self):
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path = self.handler.translate_path('//filename')
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self.assertEqual(path, self.translated)
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path = self.handler.translate_path('//filename?foo=bar')
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self.assertEqual(path, self.translated)
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def test_main(verbose=None):
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try:
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cwd = os.getcwd()
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@ -442,6 +442,7 @@ Andrej Krpic
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Ivan Krstić
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Andrew Kuchling
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Vladimir Kushnir
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Ross Lagerwall
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Cameron Laird
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Łukasz Langa
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Tino Lange
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@ -21,6 +21,9 @@ Core and Builtins
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Library
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-------
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- Issue #10714: Limit length of incoming request in http.server to 65536 bytes
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for security reasons. Initial patch by Ross Lagerwall.
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- Issue #9558: Fix distutils.command.build_ext with VS 8.0.
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- Issue #10695: passing the port as a string value to telnetlib no longer
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