72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
"""Tool functions for GNUViech administration tool
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(c) 2004 Jan Dittberner <jan@gnuviech.info>
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"""
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import random, re
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from gnuviech import GNVPrefs
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try:
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from crypt import crypt
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except ImportError, ie:
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import sys
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sys.__stderr__.write("Unsupported platform without crypt: " + sys.platform)
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sys.exit()
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from time import time
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def generatePassword():
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"""Generates a password from the chars in GNVPrefs.PWDCHARS with
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a length between GNVPrefs.PWDMINLENGTH and GNVPrefs.PWDMAXLENGTH."""
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return "".join([chr(char) for char in
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random.sample(GNVPrefs.PWDCHARS,
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random.randint(GNVPrefs.PWDMINLENGTH,
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GNVPrefs.PWDMAXLENGTH))])
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def generateSalt():
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saltchars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
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salt = []
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for i in range(8):
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salt.append(saltchars[random.randint(0, len(saltchars) - 1)])
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return "".join(salt)
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def checkEmail(email):
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"""Returns a match object if the given email address is syntactically
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correct otherwise it returns None"""
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# regex for email check
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p = re.compile(r'^([a-zA-Z0-9_\-.]+)@([a-zA-Z0-9\-]+(\.|[a-zA-Z0-9\-]+)*\.[a-z]{2,5})$')
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return p.search(email)
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def splitPasswdLine(line):
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loginname, password, uid, gid, fullname, directory, shell = line.split(":")
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return {
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"loginname" : loginname,
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"password" : password,
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"uid" : uid,
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"gid" : gid,
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"fullname" : fullname,
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"homedir" : directory,
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"shell" : shell
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}
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def splitShadowLine(line):
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(loginname, passwordhash, lastchange, maychange, mustchange, warnexpire,
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disabled, disabledsince, reserved) = line.split(":")
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return {
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"loginname" : loginname,
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"passwordhash" : passwordhash,
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"lastchange" : lastchange,
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"maychange" : maychange,
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"mustchange" : mustchange,
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"warnexpire" : warnexpire,
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"disabled" : disabled,
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"disabledsince" : disabledsince,
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"reserved" : reserved
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}
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def hashPassword(password, method="md5"):
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if (method == "md5"):
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return crypt(password, "$1$%s" % generateSalt())
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return crypt(password, generateSalt())
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def daysSince1970():
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return int(time()/(3600*24))
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