Import Debian version 20090624

[ca-certificates.git] / mozilla / certdata2pem.py

diff --git a/mozilla/certdata2pem.py b/mozilla/certdata2pem.py
new file mode 100644 (file)
index 0000000..d40b659
--- /dev/null
+++ b/mozilla/certdata2pem.py
@@ -0,0 +1,124 @@
+#!/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")
+