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#!/usr/bin/python
import sys
import subprocess
import re
import binascii
if sys.platform != 'darwin':
raise ImportError('Mac OS X only module')
def password_set(realmstring, username, password):
if username is None:
username = ''
try:
# set up the call for security.
call = subprocess.Popen([
'security',
'add-generic-password',
'-a',
username,
'-s',
realmstring,
'-w',
password,
'-U'
],
stderr = subprocess.PIPE,
stdout = subprocess.PIPE,
)
code = call.wait()
# check return code.
if code is not 0:
raise OSError('Can\'t store password in keychain')
except:
raise OSError("Can't store password in keychain")
def password_get(realmstring, username):
if username is None:
username = ''
try:
# set up the call to security.
call = subprocess.Popen([
'security',
'find-generic-password',
'-g',
'-a',
username,
'-s',
realmstring
],
stderr = subprocess.PIPE,
stdout = subprocess.PIPE,
)
code = call.wait()
if code is not 0:
raise OSError("Can't fetch password from system")
output = call.stderr.readlines()[0]
# check for empty password.
if output == 'password: \n':
return ''
# search for special password pattern.
matches = re.search('password:(?P<hex>.*?)"(?P<pw>.*)"', output)
if matches:
hex = matches.group('hex').strip()
pw = matches.group('pw')
if hex:
# it's a weird hex password, decode it.
return binascii.unhexlify(hex[2:])
else:
# it's a normal password, send it back.
return pw
# nothing was found, it doesn't exist.
return None
except:
raise OSError("Can't fetch password from system")