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authorMichael Shuler <michael@pbandjelly.org>2011-09-17 17:11:42 -0500
committerMichael Shuler <michael@pbandjelly.org>2011-09-17 17:17:13 -0500
commit778b0a8b2cd632c2ce204fe7e754886f0843a51c (patch)
tree6ea9768bf8aed503ec063291911f818816b565be /mozilla/certdata2pem.py
parentc49c7706fe46d4a4abcb4c426e2d33f4b5e1924c (diff)
downloadca-certificates-778b0a8b2cd632c2ce204fe7e754886f0843a51c.tar.gz
Import Debian version 20090624debian/20090624
Diffstat (limited to 'mozilla/certdata2pem.py')
-rw-r--r--mozilla/certdata2pem.py124
1 files changed, 124 insertions, 0 deletions
diff --git a/mozilla/certdata2pem.py b/mozilla/certdata2pem.py
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+#!/usr/bin/python
+# vim:set et sw=4:
+#
+# certdata2pem.py - splits certdata.txt into multiple files
+#
+# Copyright (C) 2009 Philipp Kern <pkern@debian.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+import base64
+import os.path
+import re
+import sys
+import textwrap
+
+objects = []
+
+# Dirty file parser.
+in_data, in_multiline, in_obj = False, False, False
+field, type, value, obj = None, None, None, dict()
+for line in open('certdata.txt', 'r'):
+ # Ignore the file header.
+ if not in_data:
+ if line.startswith('BEGINDATA'):
+ in_data = True
+ continue
+ # Ignore comment lines.
+ if line.startswith('#'):
+ continue
+ # Empty lines are significant if we are inside an object.
+ if in_obj and len(line.strip()) == 0:
+ objects.append(obj)
+ obj = dict()
+ in_obj = False
+ continue
+ if len(line.strip()) == 0:
+ continue
+ if in_multiline:
+ if not line.startswith('END'):
+ if type == 'MULTILINE_OCTAL':
+ line = line.strip()
+ for i in re.finditer(r'\\([0-3][0-7][0-7])', line):
+ value += chr(int(i.group(1), 8))
+ else:
+ value += line
+ continue
+ obj[field] = value
+ in_multiline = False
+ continue
+ if line.startswith('CKA_CLASS'):
+ in_obj = True
+ line_parts = line.strip().split(' ', 2)
+ if len(line_parts) > 2:
+ field, type = line_parts[0:2]
+ value = ' '.join(line_parts[2:])
+ elif len(line_parts) == 2:
+ field, type = line_parts
+ value = None
+ else:
+ raise NotImplementedError, 'line_parts < 2 not supported.'
+ if type == 'MULTILINE_OCTAL':
+ in_multiline = True
+ value = ""
+ continue
+ obj[field] = value
+if len(obj.items()) > 0:
+ objects.append(obj)
+
+# Read blacklist.
+blacklist = []
+if os.path.exists('blacklist.txt'):
+ for line in open('blacklist.txt', 'r'):
+ line = line.strip()
+ if line.startswith('#') or len(line) == 0:
+ continue
+ item = line.split('#', 1)[0].strip()
+ blacklist.append(item)
+
+# Build up trust database.
+trust = dict()
+for obj in objects:
+ if obj['CKA_CLASS'] != 'CKO_NETSCAPE_TRUST':
+ continue
+ if obj['CKA_LABEL'] in blacklist:
+ print "Certificate %s blacklisted, ignoring." % obj['CKA_LABEL']
+ elif obj['CKA_TRUST_SERVER_AUTH'] == 'CKT_NETSCAPE_TRUSTED_DELEGATOR':
+ trust[obj['CKA_LABEL']] = True
+ elif obj['CKA_TRUST_EMAIL_PROTECTION'] == 'CKT_NETSCAPE_TRUSTED_DELEGATOR':
+ trust[obj['CKA_LABEL']] = True
+ elif obj['CKA_TRUST_SERVER_AUTH'] == 'CKT_NETSCAPE_UNTRUSTED':
+ print '!'*74
+ print "UNTRUSTED BUT NOT BLACKLISTED CERTIFICATE FOUND: %s" % obj['CKA_LABEL']
+ print '!'*74
+ else:
+ print "Ignoring certificate %s. SAUTH=%s, EPROT=%s" % \
+ (obj['CKA_LABEL'], obj['CKA_TRUST_SERVER_AUTH'],
+ obj['CKA_TRUST_EMAIL_PROTECTION'])
+
+for obj in objects:
+ if obj['CKA_CLASS'] == 'CKO_CERTIFICATE':
+ if not obj['CKA_LABEL'] in trust or not trust[obj['CKA_LABEL']]:
+ continue
+ fname = obj['CKA_LABEL'][1:-1].replace('/', '_')\
+ .replace(' ', '_')\
+ .replace('(', '=')\
+ .replace(')', '=')\
+ .replace(',', '_') + '.crt'
+ f = open(fname, 'w')
+ f.write("-----BEGIN CERTIFICATE-----\n")
+ f.write("\n".join(textwrap.wrap(base64.b64encode(obj['CKA_VALUE']), 64)))
+ f.write("\n-----END CERTIFICATE-----\n")
+