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# Authors:
# Martin Nagy <mnagy@redhat.com>
#
# Copyright (C) 2008 Red Hat
# see file 'COPYING' for use and warranty information
#
# 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; version 2 only
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from ConfigParser import SafeConfigParser, ParsingError
import types
import os
DEFAULT_CONF='/etc/ipa/ipa.conf'
def generate_env(d={}):
default = dict(
container_accounts = 'cn=accounts',
basedn = 'dc=example,dc=com',
container_user = 'cn=users,cn=accounts',
container_group = 'cn=groups,cn=accounts',
container_service = 'cn=services,cn=accounts',
domain = LazyProp(get_domain),
interactive = True,
query_dns = True,
realm = LazyProp(get_realm),
server_context = True,
server = LazyIter(get_servers),
verbose = False,
)
for key, value in d.iteritems():
if key in default:
if isinstance(default[key], (LazyIter, LazyProp)):
default[key].set_value(value)
else:
default[key] = convert_val(type(default[key]), value)
else:
default[key] = value
return default
# TODO: Add a validation function
def convert_val(target_type, value):
bool_true = ('true', 'yes', 'on')
bool_false = ('false', 'no', 'off')
if target_type == bool and isinstance(value, basestring):
if value.lower() in bool_true:
return True
elif value.lower() in bool_false:
return False
return target_type(value)
class LazyProp(object):
def __init__(self, func, value=None):
assert isinstance(func, types.FunctionType)
self._func = func
self._value = value
def set_value(self, value):
self._value = value
def get_value(self):
if self._value == None:
return self._func()
else:
return self._value
class LazyIter(LazyProp):
def get_value(self):
if self._value != None:
if type(self._value) == tuple:
for item in self._value:
yield item
else:
yield self._value
for item in self._func():
if not self._value or item not in self._value:
yield item
# TODO: Make it possible to use var = 'foo, bar' without
# turning it into ("'foo", "bar'")
def read_config(config_file=None):
assert config_file == None or isinstance(config_file, (basestring, file))
parser = SafeConfigParser()
if config_file == None:
files = [DEFAULT_CONF, os.path.expanduser('~/.ipa.conf')]
else:
files = [config_file]
for f in files:
try:
if isinstance(f, file):
parser.readfp(f)
else:
parser.read(f)
except ParsingError:
print "Can't read %s" % f
ret = {}
if parser.has_section('defaults'):
for name, value in parser.items('defaults'):
value = tuple(elem.strip() for elem in value.split(','))
if len(value) == 1:
value = value[0]
ret[name] = value
return ret
# these functions are here just to "emulate" dns resolving for now
def get_domain():
return "ipatest.com"
def get_realm():
return "IPATEST.COM"
def get_servers():
yield "server.ipatest.com"
yield "backup.ipatest.com"
yield "fake.ipatest.com"
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