95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
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# -*- 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 os, popen2
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class PasswdUser(object):
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"""This class represents users in the user database."""
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def __init__(self, username, pw, uid, gid, gecos, home, shell):
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self.username = username
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self.uid = int(uid)
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self.gid = int(gid)
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self.gecos = gecos
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self.home = home
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self.shell = shell
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def __repr__(self):
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return "%s(%s:%d:%d:%s:%s:%s)" % (self.__class__.__name__,
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self.username,
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self.uid,
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self.gid,
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self.gecos,
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self.home,
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self.shell)
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class PasswdGroup(object):
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"""This class represents lines in the groups database."""
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def __init__(self, groupname, pw, gid, members):
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self.groupname = groupname
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self.gid = int(gid)
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self.members = members.split(",")
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def __repr__(self):
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return "%s(%s:%d:%s)" % (self.__class__.__name__,
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self.groupname,
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self.gid,
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",".join(self.members))
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def parsegroups():
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(stdout, stdin) = popen2.popen2("getent group")
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return [PasswdGroup(*arr) for arr in [line.strip().split(":") for line in stdout]]
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def parseusers():
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(stdout, stdin) = popen2.popen2("getent passwd")
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return [PasswdUser(*arr) for arr in [line.strip().split(":") for line in stdout]]
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def finduserbyprefix(prefix):
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"""Finds all user entries with the given prefix."""
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return [user for user in parseusers() if user.username.startswith(prefix)]
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def getuserbyid(uid):
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"""Gets the user with the given user id."""
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users = [user for user in parseusers() if user.uid == uid]
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if users:
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return users[0]
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return None
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def getgroupbyid(gid):
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"""Gets the group with the given group id."""
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groups = [group for group in parsegroups() if group.gid == gid]
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if groups:
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return groups[0]
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return None
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def getmaxuid(boundary = 65536):
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"""Gets the highest uid value."""
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return max([user.uid for user in parseusers() if user.uid <= boundary])
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def getmaxgid(boundary = 65536):
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"""Gets the highest gid value."""
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return max([group.gid for group in parsegroups() if group.gid <= boundary])
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if __name__ == "__main__":
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print "Max UID is %d" % (getmaxuid(40000))
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print "Max GID is %d" % (getmaxgid(40000))
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print "User with max UID is %s" % (getuserbyid(getmaxuid(40000)))
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print "Group with max GID is %s" % (getgroupbyid(getmaxgid(40000)))
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