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Diffstat (limited to 'certdata2pem.py')
| -rw-r--r-- | certdata2pem.py | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/certdata2pem.py b/certdata2pem.py new file mode 100644 index 000000000000..021772aea1ab --- /dev/null +++ b/certdata2pem.py @@ -0,0 +1,200 @@ +#!/usr/bin/python +# vim:set et sw=4: +# +# certdata2pem.py - splits certdata.txt into multiple files +# +# Copyright (C) 2009 Philipp Kern <pkern@debian.org> +# Copyright (C) 2013 Kai Engert <kaie@redhat.com> +# +# 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 +import urllib + +objects = [] + +def printable_serial(obj): + return ".".join(map(lambda x:str(ord(x)), obj['CKA_SERIAL_NUMBER'])) + +# 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.\n' + line + if type == 'MULTILINE_OCTAL': + in_multiline = True + value = "" + continue + obj[field] = value +if len(obj.items()) > 0: + objects.append(obj) + +# Build up trust database. +trustmap = dict() +for obj in objects: + if obj['CKA_CLASS'] != 'CKO_NSS_TRUST': + continue + key = obj['CKA_LABEL'] + printable_serial(obj) + trustmap[key] = obj + print " added trust", key + +# Build up cert database. +certmap = dict() +for obj in objects: + if obj['CKA_CLASS'] != 'CKO_CERTIFICATE': + continue + key = obj['CKA_LABEL'] + printable_serial(obj) + certmap[key] = obj + print " added cert", key + +def obj_to_filename(obj): + label = obj['CKA_LABEL'][1:-1] + label = label.replace('/', '_')\ + .replace(' ', '_')\ + .replace('(', '=')\ + .replace(')', '=')\ + .replace(',', '_') + label = re.sub(r'\\x[0-9a-fA-F]{2}', lambda m:chr(int(m.group(0)[2:], 16)), label) + serial = printable_serial(obj) + return label + ":" + serial + +trust_types = { + "CKA_TRUST_DIGITAL_SIGNATURE": "digital-signature", + "CKA_TRUST_NON_REPUDIATION": "non-repudiation", + "CKA_TRUST_KEY_ENCIPHERMENT": "key-encipherment", + "CKA_TRUST_DATA_ENCIPHERMENT": "data-encipherment", + "CKA_TRUST_KEY_AGREEMENT": "key-agreement", + "CKA_TRUST_KEY_CERT_SIGN": "cert-sign", + "CKA_TRUST_CRL_SIGN": "crl-sign", + "CKA_TRUST_SERVER_AUTH": "server-auth", + "CKA_TRUST_CLIENT_AUTH": "client-auth", + "CKA_TRUST_CODE_SIGNING": "code-signing", + "CKA_TRUST_EMAIL_PROTECTION": "email-protection", + "CKA_TRUST_IPSEC_END_SYSTEM": "ipsec-end-system", + "CKA_TRUST_IPSEC_TUNNEL": "ipsec-tunnel", + "CKA_TRUST_IPSEC_USER": "ipsec-user", + "CKA_TRUST_TIME_STAMPING": "time-stamping", + "CKA_TRUST_STEP_UP_APPROVED": "step-up-approved", +} + +openssl_trust = { + "CKA_TRUST_SERVER_AUTH": "serverAuth", + "CKA_TRUST_CLIENT_AUTH": "clientAuth", + "CKA_TRUST_CODE_SIGNING": "codeSigning", + "CKA_TRUST_EMAIL_PROTECTION": "emailProtection", +} + +for tobj in objects: + if tobj['CKA_CLASS'] == 'CKO_NSS_TRUST': + key = tobj['CKA_LABEL'] + printable_serial(tobj) + print "producing trust for " + key + trustbits = [] + distrustbits = [] + openssl_trustflags = [] + openssl_distrustflags = [] + for t in trust_types.keys(): + if tobj.has_key(t) and tobj[t] == 'CKT_NSS_TRUSTED_DELEGATOR': + trustbits.append(t) + if t in openssl_trust: + openssl_trustflags.append(openssl_trust[t]) + if tobj.has_key(t) and tobj[t] == 'CKT_NSS_NOT_TRUSTED': + distrustbits.append(t) + if t in openssl_trust: + openssl_distrustflags.append(openssl_trust[t]) + + fname = obj_to_filename(tobj) + try: + obj = certmap[key] + except: + obj = None + + if obj != None: + fname += ".crt" + else: + fname += ".p11-kit" + + f = open(fname, 'w') + if obj != None: + f.write("# alias=%s\n"%tobj['CKA_LABEL']) + f.write("# trust=" + " ".join(trustbits) + "\n") + f.write("# distrust=" + " ".join(distrustbits) + "\n") + if openssl_trustflags: + f.write("# openssl-trust=" + " ".join(openssl_trustflags) + "\n") + if openssl_distrustflags: + f.write("# openssl-distrust=" + " ".join(openssl_distrustflags) + "\n") + f.write("-----BEGIN CERTIFICATE-----\n") + f.write("\n".join(textwrap.wrap(base64.b64encode(obj['CKA_VALUE']), 64))) + f.write("\n-----END CERTIFICATE-----\n") + else: + f.write("[p11-kit-object-v1]\n") + f.write("label: "); + f.write(tobj['CKA_LABEL']); + f.write("\n") + f.write("class: certificate\n") + f.write("certificate-type: x-509\n") + f.write("issuer: \""); + f.write(urllib.quote(tobj['CKA_ISSUER'])); + f.write("\"\n") + f.write("serial-number: \""); + f.write(urllib.quote(tobj['CKA_SERIAL_NUMBER'])); + f.write("\"\n") + if (tobj['CKA_TRUST_SERVER_AUTH'] == 'CKT_NSS_NOT_TRUSTED') or (tobj['CKA_TRUST_EMAIL_PROTECTION'] == 'CKT_NSS_NOT_TRUSTED') or (tobj['CKA_TRUST_CODE_SIGNING'] == 'CKT_NSS_NOT_TRUSTED'): + f.write("x-distrusted: true\n") + f.write("\n\n") + f.close() + print " -> written as '%s', trust = %s, openssl-trust = %s, distrust = %s, openssl-distrust = %s" % (fname, trustbits, openssl_trustflags, distrustbits, openssl_distrustflags) |