#!/usr/bin/env python
# CCS Computer Science
#   Password
#
# Douglas Thrift
#
# $Id$

import admin
import common
import ldap
import MySQLdb
import os

if __name__ == '__main__':
	parser = admin.parser(description = 'Change CCS CS Lab user password')

	parser.add_option('-u', '--user', default = '', help = 'change password of USER (only works when run as root)')

	try:
		user = admin.user(parser.parse_args()[0])
		old_password = os.environ.get('OLD_PASSWORD')

		if old_password:
			with open(old_password, 'rb') as password_file:
				if not old_password.startswith('/dev/fd/'):
					os.unlink(old_password)

				old_password = password_file.read()

		new_password = common.new_password()

		if admin.master():
			admin.passwd(user, old_password, new_password)

		admin.run(common.change_all(user, old_password, new_password) if old_password else common.reset_all(user, new_password))
	except (common.PasswordError, IOError, ldap.LDAPError, MySQLdb.MySQLError), error:
		admin.error(error)
	except (EOFError, KeyboardInterrupt):
		admin.eof()

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