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#!/usr/bin/env python
# -*- coding: ISO-8859-15 -*-
#
# Copyright (C) 2005-2007 David Guerizec <david@guerizec.net>
#
# Last modified: 2007 Dec 08, 20:10:26 by david
#
# 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
import os, os.path, sha
from ConfigParser import NoSectionError, SafeConfigParser as ConfigParser
from sshproxy.config import ConfigSection, path, get_config
from sshproxy.client import ClientDB, ClientInfo
from sshproxy.util import istrue
class FileClientConfigSection(ConfigSection):
section_id = 'client_db.ini'
section_defaults = {
'file': '@client.db',
}
types = {
'file': path,
}
FileClientConfigSection.register()
class FileClientInfo(ClientInfo):
def get_config_file(self):
clientfile = get_config('client_db.ini')['file']
if not os.path.exists(clientfile):
open(clientfile, 'w').close()
os.chmod(clientfile, 0600)
# no need to parse an empty file
return None
file = ConfigParser()
file.read(clientfile)
return file
def load(self):
file = self.get_config_file()
if not file:
return
try:
tokens = dict(file.items(self.username))
except NoSectionError:
return
self.set_tokens(**tokens)
def save(self, file=None):
if not file:
file = self.get_config_file()
if not file:
return
if self.username:
if not file.has_section(self.username):
file.add_section(self.username)
for tag, value in self.tokens.items():
if tag in ('username', 'ip_addr'):
continue
elif value and str(value):
file.set(self.username, tag, str(value))
elif file.has_option(self.username, tag):
file.remove_option(self.username, tag)
clientfile = get_config('client_db.ini')['file']
fd = open(clientfile+'.new', 'w')
file.write(fd)
fd.close()
os.rename(clientfile+'.new', clientfile)
def delete(self, username):
file = self.get_config_file()
if not file:
return
if file.has_section(username):
file.remove_section(username)
self.save(file)
def auth_token_order(self):
return ('pubkey', 'pkey', 'password')
def authenticate(self, **tokens):
from sshproxy import log
resp = False
for token in self.auth_token_order():
if token in tokens.keys() and tokens[token] is not None:
if token == 'password':
if (sha.new(tokens[token]).hexdigest()
== self.get_token(token)):
resp = True
break
elif token in ('pubkey', 'pkey'):
pubkeys = self.get_token('pubkey',
self.get_token('pkey', '')).split('\n')
pubkeys = [ pk.split()[0] for pk in pubkeys if len(pk) ]
for pk in pubkeys:
if pk == tokens[token]:
resp = True
break
ClientDB()._unauth_pubkey = tokens[token]
elif self.get_token(token) == tokens[token]:
resp = True
break
return resp
def exists(self, username):
file = self.get_config_file()
if not file:
return
return file.has_section(username)
def list_clients(self, **kw):
file = self.get_config_file()
if not file:
return
return file.sections()
class FileClientDB(ClientDB):
def exists(self, username, **tokens):
if not getattr(self, 'clientinfo', None):
return ClientInfo(None).exists(username)
return self.clientinfo.exists(username)
def list_clients(self, **kw):
return ClientInfo(None).list_clients(**kw)
def add_client(self, username, **tokens):
if self.exists(username):
return 'Client %s does already exist' % username
client = ClientInfo(username, **tokens)
client.save()
return 'Client %s added' % username
def del_client(self, username, **tokens):
if not self.exists(username):
return 'Client %s does not exist'
ClientInfo(None).delete(username)
return 'Client %s deleted.' % username
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