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- added gnuviech package

- better code structure
- class for domain
- class for preferences
- password generation function


git-svn-id: file:///home/www/usr01/svn/gnuviechadmin/gnuviech.info/gnuviechadmin/trunk@82 a67ec6bc-e5d5-0310-a910-815c51eb3124
This commit is contained in:
Jan Dittberner 2004-12-25 23:09:19 +00:00
parent e18a12269f
commit a7edeca826
8 changed files with 235 additions and 74 deletions

101
backend/GNVAdm.py Normal file
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@ -0,0 +1,101 @@
"""Package for GNUViech Admin main types and functions
(c) Copyright 2004 Jan Dittberner, IT-Consulting & Solutions
Germany
"""
import os
import gnuviech
class DomainNotExistentError(Exception): pass
class DomainFileNotExistentError(Exception): pass
class GNVDomain:
"""Represents a domain in the GNUViech admin tool"""
def __init__(self, domain):
"""Initializes the domain object"""
self.name = domain
try:
self.findUser()
except gnuviech.NoAdmDirError:
gnuviech.setupDirs()
self.__init__(domain)
except DomainFileNotExistentError:
self.createDomainFile()
self.__init__(domain)
except DomainNotExistentError:
self.createUser()
def __repr__(self):
retval = "Domain "+self.name
if not self.username is None:
retval += ", User "+self.username
else:
retval += ", new domain"
return retval
def createDomainFile(self):
"""Create the domain user id map file."""
file = open(gnuviech.GNVPrefs.GVADMDIR+"domains", "w")
file.close()
def createUser(self):
"""Create a user for the domain."""
file = open(gnuviech.GNVPrefs.GVADMDIR+"domains", "r")
id = 0
for line in file.readlines():
(key, value) = line.split(":")
if (int(value) > id): id = int(value)
file.close()
id += 1
file = open(gnuviech.GNVPrefs.GVADMDIR+"domains", "a")
file.write("%s:%d\n" % (self.name, id))
file.close()
self.findUser()
def findUser(self):
"""Finds the user for the domain."""
self.username = None
if (os.access(gnuviech.GNVPrefs.GVADMDIR, os.R_OK)):
try:
domainsfile = open(gnuviech.GNVPrefs.GVADMDIR+"domains", "r")
for line in domainsfile.readlines():
(key, value) = line.split(":")
if (key == self.name):
self.username = "%s%02d" % (
gnuviech.GNVPrefs.USERPREFIX,
int(value))
domainsfile.close()
if self.username is None:
raise DomainNotExistentError
except IOError:
raise DomainFileNotExistentError
else:
raise gnuviech.NoAdmDirError
def getMaxPop3Id(self):
maxid = 0
try:
passwdfile = open(gnuviech.GNVPrefs.BASEPREFIX+"/etc/passwd", "r")
for line in passwdfile.readlines():
(login, passwd, uid, gid, name, dir, shell) = line.split(":")
if login.startswith(self.username + "p"):
id = int(login[len(self.username):])
print id
if (id > maxid): maxid = id
except IOError:
pass
return maxid
def getNextUser(self, usertype):
"""Gets the next user for the given type."""
if (usertype == "web"):
return self.username
if (usertype == "pop3"):
return "%sp%d" % (self.username, self.getMaxPop3Id()+1)
if __name__ == "__main__":
dom = GNVDomain("dittberner.info")
print dom

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@ -1,37 +0,0 @@
"""Package for GNUViech Admin main types and functions
(c) Copyright 2004 Jan Dittberner, IT-Consulting & Solutions
Germany
"""
import os
execfile('gvadm.preferences')
class GNVDomain:
"""Represents a domain in the GNUViech admin tool"""
def __init__(self, domain):
"""Initializes the domain object"""
self.domainname = domain
self.findUser()
def __repr__(self):
return "Domain "+self.domainname+", User "+self.username
def findUser(self):
"""Finds the user for the domain or creates a new one."""
if (os.access(GVADMDIR, os.R_OK)):
try:
domainsfile = open(GVADMDIR+"domains", "r")
self.username = "<from file>"
except IOError:
print "domain file not accessible"
self.username = "<unknown>"
else:
print "The directory "+GVADMDIR+" is not accessible!"
self.username = "<unknown>"
if __name__ == "__main__":
dom = GNVDomain("test.de")
print dom

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@ -0,0 +1,67 @@
"""GNUViech administration tool helper classes.
(c) 2004 Jan Dittberner <jan@gnuviech.info>
"""
import os
class GNVPrefs:
"""This class has static variables for the settings of the GNUViech
administration tool. These settings can be customized in the file
gvadm.preferences."""
# define standard values
PWDMINLENGTH = 6
PWDMAXLENGTH = 12
PWDCHARS = range(ord('a'), ord('z'))
PWDCHARS.extend(range(ord('A'), ord('Z')))
PWDCHARS.extend(range(ord('0'), ord('9')))
PWDCHARS.extend((ord('@'), ord('#'), ord(','), ord('.'), ord('*'),
ord('+'), ord('-'), ord('='), ord('!'), ord('$'),
ord('"')))
USERPREFIX = "usr"
BASEPREFIX = ""
GVADMDIR = BASEPREFIX+"/etc/gvadm/"
EXIMCONFDIR = BASEPREFIX+"/etc/exim/"
VIRTUALDOMDIR = EXIMCONFDIR+"virtual/"
HOMEDIR = BASEPREFIX+"/home"
POPHOMEDIR = HOMEDIR+"/mail/"
WEBHOMEDIR = HOMEDIR+"/www/"
WEBLOGDIR = WEBHOMEDIR+"logs/"
WEBSTATSDIR = WEBHOMEDIR+"stats/"
# load custom settings
execfile("gvadm.preferences")
def __repr__(self):
items = dir(self)
items.sort()
return "gnuviech.GNVPrefs\n\t" + "\n\t".join(["%s = %s" %
(item, getattr(self, item)) for item in items if getattr(self, item).__class__ in (str, int, list, dict)]) + "\n"
class NoAdmDirError(Exception):
"""This exception is raised if the admin directory does'nt exist."""
pass
def setupDirs():
"""Setup the directories and files required for proper operation of the
GNUViech administration tool."""
for directory in (GNVPrefs.BASEPREFIX,
GNVPrefs.BASEPREFIX+"/etc",
GNVPrefs.GVADMDIR,
GNVPrefs.EXIMCONFDIR,
GNVPrefs.VIRTUALDOMDIR,
GNVPrefs.HOMEDIR,
GNVPrefs.POPHOMEDIR,
GNVPrefs.WEBHOMEDIR,
GNVPrefs.WEBLOGDIR,
GNVPrefs.WEBSTATSDIR):
if (not os.access(directory, os.R_OK & os.X_OK)):
print "making %s." % directory
os.mkdir(directory)
for required in (GNVPrefs.BASEPREFIX+"/etc/passwd",
GNVPrefs.BASEPREFIX+"/etc/shadow",
GNVPrefs.EXIMCONFDIR+"eximpasswords"):
if (not os.access(required, os.R_OK)):
print "creating %s." % required
file = open(required, "w")
file.close()

20
backend/gnuviech/tools.py Normal file
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@ -0,0 +1,20 @@
"""Tool functions for GNUViech administration tool
(c) 2004 Jan Dittberner <jan@gnuviech.info>
"""
from random import Random
from gnuviech import GNVPrefs
def generatePassword():
r = Random()
devrnd = open("/dev/random", "r")
r.seed(ord(devrnd.read(1)))
devrnd.close()
return "".join([chr(char) for char in
r.sample(GNVPrefs.PWDCHARS,
r.randint(GNVPrefs.PWDMINLENGTH,
GNVPrefs.PWDMAXLENGTH))])
# regex für email check
# p = re.compile(u"^([a-zA-Z0-9_\-.]+)@([a-zA-Z0-9\-]+(\.|[a-zA-Z0-9\-]+)*\.[a-z]{2,5})$")

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@ -1,10 +0,0 @@
USERPREFIX = "usr"
BASEPREFIX = ""
GVADMDIR = BASEPREFIX+"/etc/gvadm/"
EXIMCONFDIR = BASEPREFIX+"/etc/exim/"
VIRTUALDOMDIR = EXIMCONFDIR+"virtual/"
HOMEDIR = BASEPREFIX+"/home"
POPHOMEDIR = HOMEDIR+"/mail/"
WEBHOMEDIR = HOMEDIR+"/www/"
WEBLOGDIR = WEBHOMEDIR+"logs/"
WEBSTATSDIR = WEBHOMEDIR+"stats/"

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@ -1,2 +0,0 @@
import mailtools

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@ -1,10 +1,8 @@
#! /usr/bin/env python
import os, string
import GVAdm
from UserDict import UserDict
execfile('gvadm.preferences')
import gnuviech
from GNVAdm import GNVDomain
# if [ -n $USERPREFIX ]; then
# USERPREFIX="usr"
@ -29,11 +27,15 @@ execfile('gvadm.preferences')
# echo "Herzlich willkommen auf dem GNU-Viech" | mail -s "Willkommen auf dem GNU-Viech" ${NEWUSER}
# echo added new pop3 user $NEWUSER with password $NEWPASS
class MailAccount(UserDict):
class MailAccount:
def __init__(self, domain):
"Initialize a MailAccount instance for a given domain"
UserDict.__init__(self)
self["domainname"] = domain
if (not os.access(gnuviech.GNVPrefs.VIRTUALDOMDIR, os.R_OK & os.X_OK)):
self.setupDirs()
self.domain = domain
def setupDirs(self):
os.mkdir(gnuviech.GNVPrefs.VIRTUALDOMDIR)
class MailAlias(MailAccount):
"""This represents a mail alias"""
@ -41,46 +43,46 @@ class MailAlias(MailAccount):
def __init__(self, domain):
"Initialize the POPAccount class for a given domain"
MailAccount.__init__(self, domain)
self["aliases"] = {}
self.aliases = {}
self.readAll()
def readAll(self):
"""reads the aliasfile for the given domain"""
self["aliases"] = {}
if (os.access(VIRTUALDOMDIR, os.R_OK)):
self.aliases = {}
if (os.access(gnuviech.GNVPrefs.VIRTUALDOMDIR, os.R_OK)):
try:
aliasfile = open(VIRTUALDOMDIR+self["domainname"], 'r')
aliasfile = open(gnuviech.GNVPrefs.VIRTUALDOMDIR+self.domain.name , 'r')
for line in aliasfile.readlines():
keyvals = string.split(line,":",1)
self["aliases"][keyvals[0]] = keyvals[1].strip()
self.aliases[keyvals[0]] = keyvals[1].strip()
aliasfile.close()
except IOError:
print "couldn't read the aliasfile for "+self["domainname"]+"."
print "couldn't read the aliasfile for "+self.domain.name+"."
else:
print "couldn't read from "+VIRTUALDOMDIR+"."
print "couldn't read from "+gnuviech.GNVPrefs.VIRTUALDOMDIR+"."
def writeAll(self):
"""writes the aliasfile for the given domain with the aliases defined
in the dictionary object aliases"""
if (os.access(VIRTUALDOMDIR, os.W_OK)):
if (os.access(gnuviech.GNVPrefs.VIRTUALDOMDIR, os.W_OK)):
try:
aliasfile = open(VIRTUALDOMDIR+self["domainname"], 'w')
keys = self["aliases"].keys();
aliasfile = open(gnuviech.GNVPrefs.VIRTUALDOMDIR+self.domain.name, 'w')
keys = self.aliases.keys();
keys.sort();
for key in keys:
aliasfile.write(key+":"+self["aliases"][key]+"\n")
aliasfile.write("%s:%s" % (key, self.aliases[key]) + "\n")
aliasfile.close()
except IOError:
print "writing to aliasfile failed."
else:
print "no write access to directory "+VIRTUALDOMDIR+"."
print "no write access to directory "+gnuviech.GNVPrefs.VIRTUALDOMDIR+"."
def setAlias(self, alias, target):
"""sets a mail alias for given domain which directs the MTA to the
given target
"""
self.readAll()
self["aliases"][alias]=target
self.aliases[alias]=target
self.writeAll()
class POP3Account(MailAccount):
@ -90,16 +92,16 @@ class POP3Account(MailAccount):
"""Creates a pop3/imap account for the domain"""
print self
print "adding address "+address
alias = MailAlias(self["domainname"])
alias.setAlias(address, "usr03")
alias = MailAlias(self.domain)
alias.setAlias(address, self.domain.getNextUser("pop3"))
print alias
if __name__ == "__main__":
popacc = POP3Account("test.de")
popacc = POP3Account(GNVDomain("dittberner.info"))
print popacc
popacc.create("webmaster")
popacc.create("test")
alias = MailAlias("test.de")
alias = MailAlias(GNVDomain("dittberner.info"))
print alias
alias.setAlias("klaus", "klaus@dittberner.info")
print alias

20
backend/test.py Normal file
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@ -0,0 +1,20 @@
import gnuviech
import gnuviech.tools
if __name__ == "__main__":
print gnuviech.GNVPrefs()
minlen = 0
avglen = 0
maxlen = 0
pwds = 20
for i in range(pwds):
pwd = gnuviech.tools.generatePassword()
print "%02d: %s (%d)" % (i, pwd, len(pwd))
if (minlen == 0) or (len(pwd) < minlen): minlen = len(pwd)
if (len(pwd) > maxlen): maxlen = len(pwd)
avglen += len(pwd)
avglen = avglen/pwds
print """average password length: %d
minimum password length: %d
maximum password length: %d""" % (avglen, minlen, maxlen)