118 lines
3.7 KiB
Python
118 lines
3.7 KiB
Python
"""\
|
|
@file backdoor.py
|
|
@author Bob Ippolito
|
|
|
|
Copyright (c) 2005-2006, Bob Ippolito
|
|
Copyright (c) 2007, Linden Research, Inc.
|
|
Copyright (c) 2008, Donovan Preston
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
"""
|
|
|
|
import socket
|
|
import sys
|
|
from code import InteractiveConsole
|
|
from eventlet import greenlib
|
|
|
|
from eventlet import api
|
|
from eventlet.support import greenlets
|
|
|
|
try:
|
|
sys.ps1
|
|
except AttributeError:
|
|
sys.ps1 = '>>> '
|
|
try:
|
|
sys.ps2
|
|
except AttributeError:
|
|
sys.ps2 = '... '
|
|
|
|
|
|
class SocketConsole(greenlets.greenlet):
|
|
def __init__(self, desc, hostport, locals):
|
|
self.hostport = hostport
|
|
self.locals = locals
|
|
# mangle the socket
|
|
self.desc = desc
|
|
readline = desc.readline
|
|
self.old = {}
|
|
self.fixups = {
|
|
'softspace': 0,
|
|
'isatty': lambda: True,
|
|
'flush': lambda: None,
|
|
'readline': lambda *a: readline(*a).replace('\r\n', '\n'),
|
|
}
|
|
for key, value in self.fixups.iteritems():
|
|
if hasattr(desc, key):
|
|
self.old[key] = getattr(desc, key)
|
|
setattr(desc, key, value)
|
|
|
|
greenlets.greenlet.__init__(self)
|
|
|
|
def run(self):
|
|
try:
|
|
console = InteractiveConsole(self.locals)
|
|
console.interact()
|
|
finally:
|
|
self.switch_out()
|
|
self.finalize()
|
|
|
|
def switch(self, *args, **kw):
|
|
self.saved = sys.stdin, sys.stderr, sys.stdout
|
|
sys.stdin = sys.stdout = sys.stderr = self.desc
|
|
greenlets.greenlet.switch(self, *args, **kw)
|
|
|
|
def switch_out(self):
|
|
sys.stdin, sys.stderr, sys.stdout = self.saved
|
|
|
|
def finalize(self):
|
|
# restore the state of the socket
|
|
for key in self.fixups:
|
|
try:
|
|
value = self.old[key]
|
|
except KeyError:
|
|
delattr(self.desc, key)
|
|
else:
|
|
setattr(self.desc, key, value)
|
|
self.fixups.clear()
|
|
self.old.clear()
|
|
self.desc = None
|
|
print "backdoor closed to %s:%s" % self.hostport
|
|
|
|
|
|
def backdoor_server(server, locals=None):
|
|
print "backdoor listening on %s:%s" % server.getsockname()
|
|
try:
|
|
try:
|
|
while True:
|
|
(conn, (host, port)) = server.accept()
|
|
print "backdoor connected to %s:%s" % (host, port)
|
|
fl = conn.makeGreenFile("rw")
|
|
fl.newlines = '\n'
|
|
greenlet = SocketConsole(fl, (host, port), locals)
|
|
hub = api.get_hub()
|
|
hub.schedule_call_global(0, greenlet.switch)
|
|
hub.switch()
|
|
except socket.error, e:
|
|
# Broken pipe means it was shutdown
|
|
if e[0] != 32:
|
|
raise
|
|
finally:
|
|
server.close()
|
|
|