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# (c) 2012, Daniel Hokka Zakrisson <daniel@hozac.com>
# (c) 2013, Javier Candeira <javier@candeira.com>
# (c) 2013, Maykel Moya <mmoya@speedyrails.com>
#
# This file is part of Ansible
#
# Ansible 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 3 of the License, or
# (at your option) any later version.
#
# Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>.
from ansible import utils, errors
import os
import errno
from string import ascii_letters, digits
import string
import random
class LookupModule(object):
LENGTH = 20
def __init__(self, length=None, encrypt=None, basedir=None, **kwargs):
self.basedir = basedir
def random_salt(self):
salt_chars = ascii_letters + digits + './'
return utils.random_password(length=8, chars=salt_chars)
def run(self, terms, inject=None, **kwargs):
terms = utils.listify_lookup_plugin_terms(terms, self.basedir, inject)
ret = []
for term in terms:
# you can't have escaped spaces in yor pathname
params = term.split()
relpath = params[0]
paramvals = {
'length': LookupModule.LENGTH,
'encrypt': None,
'chars': ['ascii_letters','digits',".,:-_"],
}
# get non-default parameters if specified
try:
for param in params[1:]:
name, value = param.split('=')
assert(name in paramvals)
if name == 'length':
paramvals[name] = int(value)
elif name == 'chars':
use_chars=[]
if ",," in value:
use_chars.append(',')
use_chars.extend(value.replace(',,',',').split(','))
paramvals['chars'] = use_chars
else:
paramvals[name] = value
except (ValueError, AssertionError), e:
raise errors.AnsibleError(e)
length = paramvals['length']
encrypt = paramvals['encrypt']
use_chars = paramvals['chars']
# get password or create it if file doesn't exist
path = utils.path_dwim(self.basedir, relpath)
if not os.path.exists(path):
pathdir = os.path.dirname(path)
if not os.path.isdir(pathdir):
try:
os.makedirs(pathdir, mode=0700)
except OSError, e:
raise errors.AnsibleError("cannot create the path for the password lookup: %s (error was %s)" % (pathdir, str(e)))
chars = "".join([getattr(string,c,c) for c in use_chars]).replace('"','').replace("'",'')
password = ''.join(random.choice(chars) for _ in range(length))
if encrypt is not None:
salt = self.random_salt()
content = '%s salt=%s' % (password, salt)
else:
content = password
with open(path, 'w') as f:
os.chmod(path, 0600)
f.write(content + '\n')
else:
content = open(path).read().rstrip()
sep = content.find(' ')
if sep >= 0:
password = content[:sep]
salt = content[sep+1:].split('=')[1]
else:
password = content
salt = None
# crypt requested, add salt if missing
if (encrypt is not None and not salt):
salt = self.random_salt()
content = '%s salt=%s' % (password, salt)
with open(path, 'w') as f:
os.chmod(path, 0600)
f.write(content + '\n')
# crypt not requested, remove salt if present
elif (encrypt is None and salt):
with open(path, 'w') as f:
os.chmod(path, 0600)
f.write(password + '\n')
if encrypt:
password = utils.do_encrypt(password, encrypt, salt=salt)
ret.append(password)
return ret
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