1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
#!/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,
# 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'] not in ('CKO_NETSCAPE_TRUST', 'CKO_NSS_TRUST'):
continue
if obj['CKA_LABEL'] in blacklist:
print "Certificate %s blacklisted, ignoring." % obj['CKA_LABEL']
elif obj['CKA_TRUST_SERVER_AUTH'] in ('CKT_NETSCAPE_TRUSTED_DELEGATOR',
'CKT_NSS_TRUSTED_DELEGATOR'):
trust[obj['CKA_LABEL']] = True
elif obj['CKA_TRUST_EMAIL_PROTECTION'] in ('CKT_NETSCAPE_TRUSTED_DELEGATOR',
'CKT_NSS_TRUSTED_DELEGATOR'):
trust[obj['CKA_LABEL']] = True
elif obj['CKA_TRUST_SERVER_AUTH'] in ('CKT_NETSCAPE_UNTRUSTED',
'CKT_NSS_NOT_TRUSTED'):
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
bname = obj['CKA_LABEL'][1:-1].replace('/', '_')\
.replace(' ', '_')\
.replace('(', '=')\
.replace(')', '=')\
.replace(',', '_')
bname = bname.decode('string_escape')
fname = bname + '.crt'
if os.path.exists(fname):
print "Found duplicate certificate name %s, renaming." % bname
fname = bname + '_2.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")
|
