- restructured

- 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

gnuviechadmin/util/__init__.py

@@ -0,0 +1,24 @@
+# -*- coding: UTF-8 -*-
+#
+# Copyright (C) 2007 by Jan Dittberner.
+#
+# 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; either version 2 of the License, or
+# (at your option) any later version.
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+#
+# Version: $Id$
+
+"""This is the gnuviechadmin.util package.
+
+The package provides utility modules for various functions."""

gnuviechadmin/util/getenttools.py

@@ -0,0 +1,94 @@
+# -*- coding: UTF-8 -*-
+#
+# Copyright (C) 2007 by Jan Dittberner.
+#
+# 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; either version 2 of the License, or
+# (at your option) any later version.
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+#
+# Version: $Id$
+
+import os, popen2
+
+class PasswdUser(object):
+    """This class represents users in the user database."""
+    def __init__(self, username, pw, uid, gid, gecos, home, shell):
+        self.username = username
+        self.uid = int(uid)
+        self.gid = int(gid)
+        self.gecos = gecos
+        self.home = home
+        self.shell = shell
+
+    def __repr__(self):
+        return "%s(%s:%d:%d:%s:%s:%s)" % (self.__class__.__name__,
+                                          self.username,
+                                          self.uid,
+                                          self.gid,
+                                          self.gecos,
+                                          self.home,
+                                          self.shell)
+
+class PasswdGroup(object):
+    """This class represents lines in the groups database."""
+    def __init__(self, groupname, pw, gid, members):
+        self.groupname = groupname
+        self.gid = int(gid)
+        self.members = members.split(",")
+
+    def __repr__(self):
+        return "%s(%s:%d:%s)" % (self.__class__.__name__,
+                                 self.groupname,
+                                 self.gid,
+                                 ",".join(self.members))
+
+def parsegroups():
+    (stdout, stdin) = popen2.popen2("getent group")
+    return [PasswdGroup(*arr) for arr in [line.strip().split(":") for line in stdout]]
+
+def parseusers():
+    (stdout, stdin) = popen2.popen2("getent passwd")
+    return [PasswdUser(*arr) for arr in [line.strip().split(":") for line in stdout]]
+
+def finduserbyprefix(prefix):
+    """Finds all user entries with the given prefix."""    
+    return [user for user in parseusers() if user.username.startswith(prefix)]
+
+def getuserbyid(uid):
+    """Gets the user with the given user id."""
+    users = [user for user in parseusers() if user.uid == uid]
+    if users:
+        return users[0]
+    return None
+
+def getgroupbyid(gid):
+    """Gets the group with the given group id."""
+    groups = [group for group in parsegroups() if group.gid == gid]
+    if groups:
+        return groups[0]
+    return None
+
+def getmaxuid(boundary = 65536):
+    """Gets the highest uid value."""
+    return max([user.uid for user in parseusers() if user.uid <= boundary])
+
+def getmaxgid(boundary = 65536):
+    """Gets the highest gid value."""
+    return max([group.gid for group in parsegroups() if group.gid <= boundary])
+
+if __name__ == "__main__":
+    print "Max UID is %d" % (getmaxuid(40000))
+    print "Max GID is %d" % (getmaxgid(40000))
+    print "User with max UID is %s" % (getuserbyid(getmaxuid(40000)))
+    print "Group with max GID is %s" % (getgroupbyid(getmaxgid(40000)))

gnuviechadmin/util/passwordutils.py

@@ -0,0 +1,57 @@
+# -*- coding: UTF-8 -*-
+#
+# Copyright (C) 2007 by Jan Dittberner.
+#
+# 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; either version 2 of the License, or
+# (at your option) any later version.
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+#
+# Version: $Id$
+
+import crypt, crack, random
+
+def generatepassword(minlength = 8, maxlength = 12):
+    """Generates a random password with a length between the given
+    minlength and maxlength values."""
+    pwchars = []
+    for pair in (('0', '9'), ('A', 'Z'), ('a', 'z')):
+        pwchars.extend(range(ord(pair[0]), ord(pair[1])))
+    for char in "-+/*_@":
+        pwchars.append(ord(char))
+    return "".join([chr(letter) for letter in \
+                    random.sample(pwchars,
+                                  random.randint(minlength, maxlength))])
+
+def checkpassword(password):
+    """Checks the password with cracklib. The password is returned if
+    it is good enough. Otherwise None is returned."""
+    try:
+        return crack.VeryFascistCheck(password)
+    except ValueError, ve:
+        print "Weak password:", ve
+    return None
+    
+def md5_crypt_password(password):
+    """Hashes the given password with MD5 and a random salt value."""
+    salt = "".join([chr(letter) for letter in \
+                    random.sample(range(ord('a'), ord('z')), 8)])
+    return crypt.crypt(password, '$1$' + salt)
+
+def get_pw_tuple(password = None):
+    """Gets a valid tuple consisting of a password and a md5 hash of the
+    password. If a password is given it is checked and if it is too weak
+    replaced by a generated one."""
+    while password == None or checkpassword(password) == None:
+        password = generatepassword()
+    return (password, md5_crypt_password(password))