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#!/usr/bin/env python
# -*- coding: ISO-8859-15 -*-
#
# Copyright (C) 2005-2007 David Guerizec <david@guerizec.net>
#
# Last modified: 2008 Jan 28, 00:41:52 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, time, struct
import datetime
from sshproxy import get_class, __version__
from sshproxy.config import get_config, ConfigSection, path
from sshproxy.util import istrue
from sshproxy.proxy import ProxyShell
from sshproxy import log
class TTYrplConfigSection(ConfigSection):
section_id = 'ttyrpl'
section_defaults = {
'logdir': '@ttyrpl',
}
types = {
'logdir': path,
}
TTYrplConfigSection.register()
class TTYrplLogger(object):
EVT_OPEN = 0x01
EVT_READ = 0x02
EVT_WRITE = 0x03
EVT_LCLOSE = 0x64
EVT_MAGIC = 0x4A
EVT_ID_PROG = 0xF0
EVT_ID_DEVPATH = 0xF1
EVT_ID_TIME = 0xF2
EVT_ID_USER = 0xF3
def __init__(self, filename):
self.filename = filename
self.log = open(self.filename, 'a')
self.log_it(self.EVT_MAGIC, "RPL2_50")
self.log_it(self.EVT_ID_PROG, "sshproxy v%s" % __version__)
self.log_it(self.EVT_ID_TIME, time.ctime())
def open(self, filename):
self.log_it(self.EVT_OPEN, filename)
def read(self, data):
self.log_it(self.EVT_READ, data)
def write(self, data):
self.log_it(self.EVT_WRITE, data)
def lclose(self):
self.log_it(self.EVT_LCLOSE)
def log_user(self, user):
self.log_it(self.EVT_ID_USER, user)
def log_it(self, event, data=None):
if not data:
return
while len(data):
if len(data) > 4096:
payload, data = data[:4096], data[4096:]
else:
payload, data = data, ''
pkt = self.make_packet(event, payload)
self.log.write(pkt)
def make_packet(self, event, data=None):
t = time.time()
sec = int(t)
usec = int((t - sec) * 1000000)
if data is not None:
data = str(data)
else:
data = ''
# struct rpltime {
# uint64_t tv_sec;
# uint32_t tv_usec;
# };
# struct rpldsk_packet {
# uint16_t size;
# uint8_t event, magic;
# struct rpltime time;
# } __attribute__((packed));
packet = struct.pack("HBBQL", len(data), event, 0xEE, sec, usec)
return packet + data
def __del__(self):
self.log.close()
Server = get_class('Server')
class TTYrplServer(Server):
def do_shell_session(self):
client_enable = istrue(self.get_ns_tag('client', 'log_me', 'no'))
# The following line is useless because the site namespace is not
# yet set up at this point. We get the site 'log_me' tag by
# overriding the authorize method, hence the UGLY HACK comment.
site_enable = istrue(self.get_ns_tag('site', 'log_me', 'no'))
if client_enable or site_enable:
TTYrplProxyShell.register()
return Server.do_shell_session(self)
def authorize(self, user_site, need_login=True):
# UGLY HACK
auth = Server.authorize(self, user_site, need_login=True)
if auth:
if istrue(self.get_ns_tag('site', 'log_me', 'no')):
TTYrplProxyShell.register()
return auth
TTYrplServer.register()
ProxyShell = get_class('ProxyShell')
class TTYrplProxyShell(ProxyShell):
def __reginit__(self, *args, **kw):
conf = get_config('ttyrpl')
if not os.path.isdir(conf['logdir']):
os.makedirs(conf['logdir'])
self.logdir = conf['logdir']
ProxyShell.__reginit__(self, *args, **kw)
user = self.ipc_chan.call('get_ns_tag', namespace='client',
tag='username')
path = os.path.join(self.logdir, user)
if not os.path.isdir(path):
os.makedirs(path)
site_login = self.ipc_chan.call('get_ns_tag', namespace='site',
tag='login')
site_name = self.ipc_chan.call('get_ns_tag', namespace='site',
tag='name')
site = '%s@%s' % (site_login, site_name)
path = os.path.join(path, site)
if not os.path.isdir(path):
os.makedirs(path)
date = datetime.datetime.now().isoformat()
logfile = os.path.join(path, date)
self.log = TTYrplLogger(logfile)
self.log.log_user("%s->%s" % (user, site))
def client_recv_data(self, source, name):
data = ProxyShell.recv_data(self, source, name)
self.log.read(data)
return data
def site_recv_data(self, source, name):
data = ProxyShell.recv_data(self, source, name)
self.log.write(data)
return data
def copy_client(self, source, event, destination,
recv_data=None, send_data=None):
try:
return self.channel_copy(source, event, destination,
recv_data=TTYrplProxyShell.client_recv_data)
except:
self.log.lclose()
raise
def copy_site(self, source, event, destination,
recv_data=None, send_data=None):
try:
return self.channel_copy(source, event, destination,
recv_data=TTYrplProxyShell.site_recv_data)
except:
self.log.lclose()
raise
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