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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/py3k/stuff/CVE-2011-1521.patch	Fri May 27 03:48:18 2011 +0000
     1.3 @@ -0,0 +1,134 @@
     1.4 +diff -Naur Python-3.2.ori/Doc/library/urllib.request.rst Python-3.2/Doc/library/urllib.request.rst
     1.5 +--- Python-3.2.ori/Doc/library/urllib.request.rst	2011-02-11 03:25:47.000000000 -0800
     1.6 ++++ Python-3.2/Doc/library/urllib.request.rst	2011-04-15 03:49:02.778745379 -0700
     1.7 +@@ -650,6 +650,10 @@
     1.8 +    is the case, :exc:`HTTPError` is raised.  See :rfc:`2616` for details of the
     1.9 +    precise meanings of the various redirection codes.
    1.10 + 
    1.11 ++   An :class:`HTTPError` exception raised as a security consideration if the
    1.12 ++   HTTPRedirectHandler is presented with a redirected url which is not an HTTP,
    1.13 ++   HTTPS or FTP url.
    1.14 ++
    1.15 + 
    1.16 + .. method:: HTTPRedirectHandler.redirect_request(req, fp, code, msg, hdrs, newurl)
    1.17 + 
    1.18 +diff -Naur Python-3.2.ori/Lib/test/test_urllib2.py Python-3.2/Lib/test/test_urllib2.py
    1.19 +--- Python-3.2.ori/Lib/test/test_urllib2.py	2011-02-11 03:25:47.000000000 -0800
    1.20 ++++ Python-3.2/Lib/test/test_urllib2.py	2011-04-15 03:50:29.705417290 -0700
    1.21 +@@ -8,6 +8,7 @@
    1.22 + 
    1.23 + import urllib.request
    1.24 + from urllib.request import Request, OpenerDirector
    1.25 ++import urllib.error
    1.26 + 
    1.27 + # XXX
    1.28 + # Request
    1.29 +@@ -1029,6 +1030,29 @@
    1.30 +             self.assertEqual(count,
    1.31 +                              urllib.request.HTTPRedirectHandler.max_redirections)
    1.32 + 
    1.33 ++
    1.34 ++    def test_invalid_redirect(self):
    1.35 ++        from_url = "http://example.com/a.html"
    1.36 ++        valid_schemes = ['http','https','ftp']
    1.37 ++        invalid_schemes = ['file','imap','ldap']
    1.38 ++        schemeless_url = "example.com/b.html"
    1.39 ++        h = urllib.request.HTTPRedirectHandler()
    1.40 ++        o = h.parent = MockOpener()
    1.41 ++        req = Request(from_url)
    1.42 ++        req.timeout = socket._GLOBAL_DEFAULT_TIMEOUT
    1.43 ++
    1.44 ++        for scheme in invalid_schemes:
    1.45 ++            invalid_url = scheme + '://' + schemeless_url
    1.46 ++            self.assertRaises(urllib.error.HTTPError, h.http_error_302,
    1.47 ++                    req, MockFile(), 302, "Security Loophole",
    1.48 ++                    MockHeaders({"location": invalid_url}))
    1.49 ++
    1.50 ++        for scheme in valid_schemes:
    1.51 ++            valid_url = scheme + '://' + schemeless_url
    1.52 ++            h.http_error_302(req, MockFile(), 302, "That's fine",
    1.53 ++                MockHeaders({"location": valid_url}))
    1.54 ++            self.assertEqual(o.req.get_full_url(), valid_url)
    1.55 ++
    1.56 +     def test_cookie_redirect(self):
    1.57 +         # cookies shouldn't leak into redirected requests
    1.58 +         from http.cookiejar import CookieJar
    1.59 +diff -Naur Python-3.2.ori/Lib/test/test_urllib.py Python-3.2/Lib/test/test_urllib.py
    1.60 +--- Python-3.2.ori/Lib/test/test_urllib.py	2010-12-17 09:35:56.000000000 -0800
    1.61 ++++ Python-3.2/Lib/test/test_urllib.py	2011-04-15 03:49:02.778745379 -0700
    1.62 +@@ -2,6 +2,7 @@
    1.63 + 
    1.64 + import urllib.parse
    1.65 + import urllib.request
    1.66 ++import urllib.error
    1.67 + import http.client
    1.68 + import email.message
    1.69 + import io
    1.70 +@@ -198,6 +199,21 @@
    1.71 +         finally:
    1.72 +             self.unfakehttp()
    1.73 + 
    1.74 ++    def test_invalid_redirect(self):
    1.75 ++        # urlopen() should raise IOError for many error codes.
    1.76 ++        self.fakehttp(b'''HTTP/1.1 302 Found
    1.77 ++Date: Wed, 02 Jan 2008 03:03:54 GMT
    1.78 ++Server: Apache/1.3.33 (Debian GNU/Linux) mod_ssl/2.8.22 OpenSSL/0.9.7e
    1.79 ++Location: file://guidocomputer.athome.com:/python/license
    1.80 ++Connection: close
    1.81 ++Content-Type: text/html; charset=iso-8859-1
    1.82 ++''')
    1.83 ++        try:
    1.84 ++            self.assertRaises(urllib.error.HTTPError, urlopen,
    1.85 ++                              "http://python.org/")
    1.86 ++        finally:
    1.87 ++            self.unfakehttp()
    1.88 ++
    1.89 +     def test_empty_socket(self):
    1.90 +         # urlopen() raises IOError if the underlying socket does not send any
    1.91 +         # data. (#1680230)
    1.92 +diff -Naur Python-3.2.ori/Lib/urllib/request.py Python-3.2/Lib/urllib/request.py
    1.93 +--- Python-3.2.ori/Lib/urllib/request.py	2011-02-11 03:25:47.000000000 -0800
    1.94 ++++ Python-3.2/Lib/urllib/request.py	2011-04-15 03:49:02.778745379 -0700
    1.95 +@@ -545,6 +545,17 @@
    1.96 + 
    1.97 +         # fix a possible malformed URL
    1.98 +         urlparts = urlparse(newurl)
    1.99 ++
   1.100 ++        # For security reasons we don't allow redirection to anything other
   1.101 ++        # than http, https or ftp.
   1.102 ++
   1.103 ++        if not urlparts.scheme in ('http', 'https', 'ftp'):
   1.104 ++            raise HTTPError(newurl, code,
   1.105 ++                            msg +
   1.106 ++                            " - Redirection to url '%s' is not allowed" %
   1.107 ++                            newurl,
   1.108 ++                            headers, fp)
   1.109 ++
   1.110 +         if not urlparts.path:
   1.111 +             urlparts = list(urlparts)
   1.112 +             urlparts[2] = "/"
   1.113 +@@ -1897,8 +1908,24 @@
   1.114 +             return
   1.115 +         void = fp.read()
   1.116 +         fp.close()
   1.117 ++
   1.118 +         # In case the server sent a relative URL, join with original:
   1.119 +         newurl = urljoin(self.type + ":" + url, newurl)
   1.120 ++
   1.121 ++        urlparts = urlparse(newurl)
   1.122 ++
   1.123 ++        # For security reasons, we don't allow redirection to anything other
   1.124 ++        # than http, https and ftp.
   1.125 ++
   1.126 ++        # We are using newer HTTPError with older redirect_internal method
   1.127 ++        # This older method will get deprecated in 3.3
   1.128 ++
   1.129 ++        if not urlparts.scheme in ('http', 'https', 'ftp'):
   1.130 ++            raise HTTPError(newurl, errcode,
   1.131 ++                            errmsg +
   1.132 ++                            " Redirection to url '%s' is not allowed." % newurl,
   1.133 ++                            headers, fp)
   1.134 ++
   1.135 +         return self.open(newurl)
   1.136 + 
   1.137 +     def http_error_301(self, url, fp, errcode, errmsg, headers, data=None):