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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2013 Emanuele Aina <em@nerd.ocracy.org>. All Rights Reserved.
# Copyright (C) 2011 Toni Corvera. All Rights Reserved.
# This file is licensed under the BSD 2-clause license:
# http://www.opensource.org/licenses/BSD-2-Clause
#
# Import script for the Revelation password manager:
# http://revelation.olasagasti.info/
# Heavily based on the Relevation command line tool:
# http://p.outlyer.net/relevation/
import os, sys, argparse, zlib, getpass, traceback
from subprocess import Popen, PIPE, STDOUT, CalledProcessError
from collections import OrderedDict
try:
from lxml import etree
except ImportError:
from xml.etree import ElementTree as etree
USE_PYCRYPTO = True
try:
from Crypto.Cipher import AES
except ImportError:
USE_PYCRYPTO = False
try:
from crypto.cipher import rijndael, cbc
from crypto.cipher.base import noPadding
except ImportError:
sys.stderr.write('Either PyCrypto or cryptopy are required\n')
raise
def path_for(element, path=None):
""" Generate path name from elements name and current path """
name = element.find('name').text
name = name.replace('/', '-').replace('\\', '-')
path = path if path else ''
return os.path.join(path, name)
def format_password_data(data):
""" Format the secret data that will be handed to Pass in multi-line mode:
$password
$fieldname: $fielddata
...
$multi_line_notes_with_leading_spaces"""
password = data.pop('password', None) or ''
ret = password + '\n'
notes = data.pop('notes', None)
for label, text in data.iteritems():
ret += label + ': ' + text + '\n'
if notes:
ret += ' ' + notes.replace('\n', '\n ').strip() + '\n'
return ret
def password_data(element):
""" Return password data and additional info if available from
password entry element. """
data = OrderedDict()
data['password'] = element.find('field[@id="generic-password"]').text
data['type'] = element.attrib['type']
for field in element.findall('field'):
field_id = field.attrib['id']
if field_id == 'generic-password':
continue
if field.text is not None:
data[field_id] = field.text
for tag in ('description', 'notes'):
field = element.find(tag)
if field is not None and field.text:
data[tag] = field.text
return format_password_data(data)
def import_entry(element, path=None, verbose=0):
""" Import new password entry to password-store using pass insert
command """
cmd = ['pass', 'insert', '--multiline', '--force', path_for(element, path)]
if verbose:
print 'cmd:\n ' + ' '.join(cmd)
proc = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=STDOUT)
stdin = password_data(element).encode('utf8')
if verbose:
print 'input:\n ' + stdin.replace('\n', '\n ').strip()
stdout, _ = proc.communicate(stdin)
retcode = proc.poll()
if retcode:
raise CalledProcessError(retcode, cmd, output=stdout)
def import_folder(element, path=None, verbose=0):
path = path_for(element, path)
import_subentries(element, path, verbose)
def import_subentries(element, path=None, verbose=0):
""" Import all sub entries of the current folder element """
for entry in element.findall('entry'):
if entry.attrib['type'] == 'folder':
import_folder(entry, path, verbose)
else:
import_entry(entry, path, verbose)
def decrypt_gz(key, cipher_text):
''' Decrypt cipher_text using key.
decrypt(str, str) -> cleartext (gzipped xml)
This function will use the underlying, available, cipher module.
'''
if USE_PYCRYPTO:
# Extract IV
c = AES.new(key)
iv = c.decrypt(cipher_text[12:28])
# Decrypt data, CBC mode
c = AES.new(key, AES.MODE_CBC, iv)
ct = c.decrypt(cipher_text[28:])
else:
# Extract IV
c = rijndael.Rijndael(key, keySize=len(key), padding=noPadding())
iv = c.decrypt(cipher_text[12:28])
# Decrypt data, CBC mode
bc = rijndael.Rijndael(key, keySize=len(key), padding=noPadding())
c = cbc.CBC(bc, padding=noPadding())
ct = c.decrypt(cipher_text[28:], iv=iv)
return ct
def main(datafile, verbose=False):
f = None
with open(datafile, "rb") as f:
# Encrypted data
data = f.read()
password = getpass.getpass()
# Pad password
password += (chr(0) * (32 - len(password)))
# Decrypt. Decrypted data is compressed
cleardata_gz = decrypt_gz(password, data)
# Length of data padding
padlen = ord(cleardata_gz[-1])
# Decompress actual data (15 is wbits [ref3] DON'T CHANGE, 2**15 is the (initial) buf size)
xmldata = zlib.decompress(cleardata_gz[:-padlen], 15, 2**15)
root = etree.fromstring(xmldata)
import_subentries(root, verbose=verbose)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--verbose', '-v', action='count')
parser.add_argument('FILE', help="the file storing the Revelation passwords")
args = parser.parse_args()
def err(s):
sys.stderr.write(s+'\n')
try:
main(args.FILE, verbose=args.verbose)
except KeyboardInterrupt:
if args.verbose:
traceback.print_exc()
err(str(e))
except zlib.error:
err('Failed to decompress decrypted data. Wrong password?')
sys.exit(os.EX_DATAERR)
except CalledProcessError as e:
if args.verbose:
traceback.print_exc()
print 'output:\n ' + e.output.replace('\n', '\n ').strip()
else:
err('CalledProcessError: ' + str(e))
sys.exit(os.EX_IOERR)
except IOError as e:
if args.verbose:
traceback.print_exc()
else:
err('IOError: ' + str(e))
sys.exit(os.EX_IOERR)
|