Jan Dittberner
926acaddfa
- implementation of client and sysuser cli - backend for client, sysuser, domain and record - unified cli binary gva git-svn-id: file:///home/www/usr01/svn/gnuviechadmin/gnuviech.info/gnuviechadmin/trunk@226 a67ec6bc-e5d5-0310-a910-815c51eb3124
57 lines
2.2 KiB
Python
57 lines
2.2 KiB
Python
# -*- coding: UTF-8 -*-
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#
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# Copyright (C) 2007 by Jan Dittberner.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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# USA.
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#
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# Version: $Id$
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import crypt, crack, random
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def generatepassword(minlength = 8, maxlength = 12):
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"""Generates a random password with a length between the given
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minlength and maxlength values."""
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pwchars = []
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for pair in (('0', '9'), ('A', 'Z'), ('a', 'z')):
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pwchars.extend(range(ord(pair[0]), ord(pair[1])))
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for char in "-+/*_@":
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pwchars.append(ord(char))
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return "".join([chr(letter) for letter in \
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random.sample(pwchars,
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random.randint(minlength, maxlength))])
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def checkpassword(password):
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"""Checks the password with cracklib. The password is returned if
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it is good enough. Otherwise None is returned."""
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try:
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return crack.VeryFascistCheck(password)
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except ValueError, ve:
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print "Weak password:", ve
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return None
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def md5_crypt_password(password):
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"""Hashes the given password with MD5 and a random salt value."""
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salt = "".join([chr(letter) for letter in \
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random.sample(range(ord('a'), ord('z')), 8)])
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return crypt.crypt(password, '$1$' + salt)
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def get_pw_tuple(password = None):
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"""Gets a valid tuple consisting of a password and a md5 hash of the
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password. If a password is given it is checked and if it is too weak
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replaced by a generated one."""
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while password == None or checkpassword(password) == None:
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password = generatepassword()
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return (password, md5_crypt_password(password))
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