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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 09, 04:02:36 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
from sshproxy.acl import ACLRule
from sshproxy.site import SiteDB, SiteInfo
from config import MySQLConfigSection
from mysql import MySQLDB, Q
class MySQLSiteConfigSection(MySQLConfigSection):
section_id = 'site_db.mysql'
MySQLSiteConfigSection.register()
class MySQLSiteInfo(SiteInfo, MySQLDB):
_db_handler = 'site_db'
def __reginit__(self, login, name, **kw):
self.open_db()
self._sid = 0
self._lid = 0
SiteInfo.__reginit__(self, login, name, **kw)
def load(self):
query = """select id, name, ip_address, port from site
where name = '%s'""" % Q(self.name)
site = self.sql_get(query)
if not site:
return
self._sid, name, ip_address, port = site
query = """select tag, value from acltags where object = 'site'
and id = %d""" % self._sid
tags = {}
for tag, value in self.sql_list(query):
tags[tag] = value
self.s_tokens.update(tags)
tags = {'name': name, 'ip_address': ip_address, 'port': port}
self.s_tokens.update(tags)
# TODO: handle the default case, see also in file backend
query = """select id, login, password, pkey, priority from login
where site_id = %d and ('%s' = 'None' or '%s' = login)
order by priority desc""" % (self._sid, Q(self.login),
Q(self.login))
login = self.sql_get(query)
if login:
self._lid, login, password, pkey, priority = login
tags = {'login': login, 'password': password,
'priority': priority, 'pkey': pkey}
self.l_tokens.update(tags)
query = """select tag, value from acltags where object = 'login'
and id = %d""" % self._lid
tags = {}
for tag, value in self.sql_list(query):
tags[tag] = value
self.l_tokens.update(tags)
self.loaded = True
def save(self):
sid = self._sid
if sid is None:
return
if not self.login:
tok = self.s_tokens
self.sql_set('site',
**{'id': sid,
'name': self.name,
'ip_address': tok.get('ip_address', ''),
'port': tok.get('port', '22'),
})
for tag, value in self.s_tokens.items():
if tag in ('name', 'ip_address', 'port'):
continue
elif value and len(str(value)):
self.sql_set('acltags', **{'object': 'site', 'id': sid,
'tag': tag, 'value': str(value)})
else:
query = ("delete from acltags where object = 'site'"
" and id = %d and tag = '%s'" % (sid, Q(tag)))
self.sql_del(query)
else:
lid = self._lid
if not lid:
return
tok = self.l_tokens
self.sql_set('login',
**{'id': lid,
'site_id': sid,
'login': self.login,
'password': tok.get('password', ''),
'pkey': tok.get('pkey', ''),
'priority': tok.get('priority', ''),
})
for tag, value in self.l_tokens.items():
if tag in ('name', 'login', 'password', 'pkey', 'priority'):
continue
elif value and len(str(value)):
self.sql_set('acltags', **{'object': 'login', 'id': lid,
'tag': tag, 'value': str(value)})
else:
query = ("delete from acltags where object = 'login'"
" and id = %d and tag = '%s'" % (lid, Q(tag)))
self.sql_del(query)
class MySQLSiteDB(SiteDB, MySQLDB):
_db_handler = 'site_db'
def __reginit__(self, **kw):
self.open_db()
SiteDB.__reginit__(self, **kw)
def list_site_users(self, **tokens):
sites = []
query = """select id, name from site order by name"""
for id, name in self.sql_list(query):
query = """select login from login where site_id = %d
order by priority desc""" % id
logins = []
for (login,) in self.sql_list(query):
logins.append(SiteInfo(login, name))
if not len(logins):
logins.append(SiteInfo('ORPHAN', name, priority=0))
sites += logins
filter = tokens.get('filter', tokens.get('f', None))
if filter:
siteinfos = []
for site in sites:
if ACLRule('list_site_users_filter',
filter).eval(namespace={'site':site.get_tags()}):
siteinfos.append(site)
sites = siteinfos
return sites
def exists(self, sitename, **tokens):
login, site = self.split_user_site(sitename)
if login == '*':
login = None
query = "select id from site where name = '%s'" % Q(site)
id = self.sql_get(query)
if not id:
return False
if not login:
return id
query = "select id from login where login = '%s' and site_id = %d"
id = self.sql_get(query % (Q(login), id))
return id or False
def add_site(self, sitename, **tokens):
login, site = self.split_user_site(sitename)
if login == '*':
return "'*' is not allowed, be more specific."
if not login:
if self.exists(site, **tokens):
return 'Site %s does already exist' % site
# create site
port = tokens.get('port', 22)
try:
port = int(port)
if not (0 < port < 65536):
raise ValueError
except ValueError:
return ('Port must be numeric and have a strictly positive '
'value inferior to 65536')
query = ("insert into site (name, ip_address, port) "
"values ('%s', '%s', '%s')")
sid = self.sql_add(query % (Q(site),
Q(tokens.get('ip_address', '')),
port))
if not sid:
return 'A problem occured when adding site %s' % sitename
elif not self.exists(site, **tokens):
# if site does not exist and a login was given, exit with an error
return 'Please create site %s first' % site
else:
if self.exists(sitename, **tokens):
return 'Site %s does already exist' % sitename
sid = self.sql_get("select id from site where name = '%s'"
% Q(site))
query = ("insert into login (site_id, login, password) "
"values (%d, '%s', '%s')")
lid = self.sql_add(query % (sid,
Q(login),
Q(tokens.get('password', ''))))
if not lid:
return 'A problem occured when adding site %s' % sitename
site = SiteInfo(login, site, **tokens)
site.save()
return 'Site %s added' % sitename
def _del_login(self, login_id, **tokens):
query = "delete from acltags where object = 'login' and id = %d"
self.sql_del(query % login_id)
query = "delete from login where id = %d"
self.sql_del(query % login_id)
def del_site(self, sitename, **tokens):
login, site = self.split_user_site(sitename)
if login == '*':
sitename = name
sid = self.exists(sitename, **tokens)
if not sid:
return 'Site %s does not exist' % sitename
if login:
ret = False
if login == '*':
query = "select login from login where site_id = %d" % sid
for lid in self.sql_list(query):
self._del_login(lid, **tokens)
ret = True
sitename = '*@%s' % name
else:
lid = self.exists(sitename, **tokens)
if lid:
self._del_login(lid, **tokens)
ret = True
if not ret:
return 'Site %s does not exist' % sitename
return 'Site %s deleted' % sitename
else:
query = "select count(*) from login where site_id = %d"
count = self.sql_get(query % sid)
if count > 0:
return "Site %s has still %d logins" % (sitename, count)
query = "delete from acltags where object = 'site' and id = %d"
self.sql_del(query % sid)
query = "delete from site where id = %d"
self.sql_del(query % sid)
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