/usr/lib/python2.7/dist-packages/gevent/backdoor.py is in python-gevent 1.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | # @author Bob Ippolito
#
# Copyright (c) 2005-2006, Bob Ippolito
# Copyright (c) 2007, Linden Research, Inc.
# Copyright (c) 2008, Donovan Preston
# Copyright (c) 2009-2010, Denis Bilenko
# Copyright (c) 2011, gevent contributors
#
# 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 sys
from code import InteractiveConsole
from gevent import socket
from gevent.greenlet import Greenlet
from gevent.server import StreamServer
__all__ = ['BackdoorServer']
try:
sys.ps1
except AttributeError:
sys.ps1 = '>>> '
try:
sys.ps2
except AttributeError:
sys.ps2 = '... '
class SocketConsole(Greenlet):
def __init__(self, locals, conn, banner=None):
Greenlet.__init__(self)
self.locals = locals
self.desc = _fileobject(conn)
self.banner = banner
def finalize(self):
self.desc = None
def switch(self, *args, **kw):
self.saved = sys.stdin, sys.stderr, sys.stdout
sys.stdin = sys.stdout = sys.stderr = self.desc
Greenlet.switch(self, *args, **kw)
def switch_out(self):
sys.stdin, sys.stderr, sys.stdout = self.saved
def _run(self):
try:
try:
console = InteractiveConsole(self.locals)
# __builtins__ may either be the __builtin__ module or
# __builtin__.__dict__ in the latter case typing
# locals() at the backdoor prompt spews out lots of
# useless stuff
import __builtin__
console.locals["__builtins__"] = __builtin__
console.interact(banner=self.banner)
except SystemExit: # raised by quit()
sys.exc_clear()
finally:
self.switch_out()
self.finalize()
class BackdoorServer(StreamServer):
def __init__(self, listener, locals=None, banner=None, **server_args):
StreamServer.__init__(self, listener, spawn=None, **server_args)
self.locals = locals
self.banner = banner
# QQQ passing pool instance as 'spawn' is not possible; should it be fixed?
def handle(self, conn, address):
SocketConsole.spawn(self.locals, conn, banner=self.banner)
class _fileobject(socket._fileobject):
def write(self, data):
self._sock.sendall(data)
def isatty(self):
return True
def flush(self):
pass
def readline(self, *a):
return socket._fileobject.readline(self, *a).replace("\r\n", "\n")
if __name__ == '__main__':
if not sys.argv[1:]:
print ('USAGE: %s PORT' % sys.argv[0])
else:
BackdoorServer(('127.0.0.1', int(sys.argv[1]))).serve_forever()
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