Fixes #145 -- fixes loading pkcs7 data from ASN1

ChangeLog

@@ -1,3 +1,8 @@
+2014-08-21  Alex Gaynor  <alex.gaynor@gmail.com>
+
+	* OpenSSL/crypto.py: Fixed a regression where calling ``load_pkcs7_data``
+	  with ``FILETYPE_ASN1`` would fail with a ``NameError.
+
 2014-05-05  Jean-Paul Calderone  <exarkun@twistedmatrix.com>
 
 	* OpenSSL/SSL.py: Fix a regression in which the first argument of

OpenSSL/crypto.py

@@ -2351,7 +2351,7 @@ def load_pkcs7_data(type, buffer):
     if type == FILETYPE_PEM:
         pkcs7 = _lib.PEM_read_bio_PKCS7(bio, _ffi.NULL, _ffi.NULL, _ffi.NULL)
     elif type == FILETYPE_ASN1:
-        pass
+        pkcs7 = _lib.d2i_PKCS7_bio(bio, _ffi.NULL)
     else:
         # TODO: This is untested.
         _raise_current_error()

OpenSSL/test/test_crypto.py

@@ -7,7 +7,9 @@
 
 from unittest import main
 
-import os, re
+import base64
+import os
+import re
 from subprocess import PIPE, Popen
 from datetime import datetime, timedelta
 
@@ -248,6 +250,27 @@ def normalize_privatekey_pem(pem):
 -----END PKCS7-----
 """)
 
+pkcs7DataASN1 = base64.b64decode(b"""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+""")
+
 crlData = b("""\
 -----BEGIN X509 CRL-----
 MIIBWzCBxTANBgkqhkiG9w0BAQQFADBYMQswCQYDVQQGEwJVUzELMAkGA1UECBMC
@@ -2560,7 +2583,7 @@ def cb(ignored):
             dump_privatekey, FILETYPE_PEM, key, GOOD_CIPHER, cb)
 
 
-    def test_load_pkcs7_data(self):
+    def test_load_pkcs7_data_pem(self):
         """
         :py:obj:`load_pkcs7_data` accepts a PKCS#7 string and returns an instance of
         :py:obj:`PKCS7Type`.
@@ -2569,6 +2592,15 @@ def test_load_pkcs7_data(self):
         self.assertTrue(isinstance(pkcs7, PKCS7Type))
 
 
+    def test_load_pkcs7_data_asn1(self):
+        """
+        :py:obj:`load_pkcs7_data` accepts a bytes containing ASN1 data
+        representing PKCS#7 and returns an instance of :py:obj`PKCS7Type`.
+        """
+        pkcs7 = load_pkcs7_data(FILETYPE_ASN1, pkcs7DataASN1)
+        self.assertTrue(isinstance(pkcs7, PKCS7Type))
+
+
     def test_load_pkcs7_data_invalid(self):
         """
         If the data passed to :py:obj:`load_pkcs7_data` is invalid,

setup.py

@@ -34,7 +34,7 @@
       maintainer_email = 'exarkun@twistedmatrix.com',
       url = 'https://github.com/pyca/pyopenssl',
       license = 'APL2',
-      install_requires=["cryptography>=0.4", "six>=1.5.2"],
+      install_requires=["cryptography>=0.5.4", "six>=1.5.2"],
       long_description = """\
 High-level wrapper around a subset of the OpenSSL library, includes
  * SSL.Connection objects, wrapping the methods of Python's portable