mirror of http://git.sairate.top/sairate/doc.git
57 lines
1.9 KiB
Python
57 lines
1.9 KiB
Python
|
# Copyright (C) 2021 Lew Gordon <lew.gordon@genesys.com>
|
||
|
|
# Copyright (C) 2022 Patrick Spendrin <ps_ml@gmx.de>
|
||
|
|
#
|
||
|
|
# This file is part of paramiko.
|
||
|
|
#
|
||
|
|
# Paramiko is free software; you can redistribute it and/or modify it under the
|
||
|
|
# terms of the GNU Lesser General Public License as published by the Free
|
||
|
|
# Software Foundation; either version 2.1 of the License, or (at your option)
|
||
|
|
# any later version.
|
||
|
|
#
|
||
|
|
# Paramiko 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 Lesser General Public License for more
|
||
|
|
# details.
|
||
|
|
#
|
||
|
|
# You should have received a copy of the GNU Lesser General Public License
|
||
|
|
# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
|
||
|
|
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||
|
|
|
||
|
|
import os.path
|
||
|
|
import time
|
||
|
|
|
||
|
|
PIPE_NAME = r"\\.\pipe\openssh-ssh-agent"
|
||
|
|
|
||
|
|
|
||
|
|
def can_talk_to_agent():
|
||
|
|
# use os.listdir() instead of os.path.exists(), because os.path.exists()
|
||
|
|
# uses CreateFileW() API and the pipe cannot be reopen unless the server
|
||
|
|
# calls DisconnectNamedPipe().
|
||
|
|
dir_, name = os.path.split(PIPE_NAME)
|
||
|
|
name = name.lower()
|
||
|
|
return any(name == n.lower() for n in os.listdir(dir_))
|
||
|
|
|
||
|
|
|
||
|
|
class OpenSSHAgentConnection:
|
||
|
|
def __init__(self):
|
||
|
|
while True:
|
||
|
|
try:
|
||
|
|
self._pipe = os.open(PIPE_NAME, os.O_RDWR | os.O_BINARY)
|
||
|
|
except OSError as e:
|
||
|
|
# retry when errno 22 which means that the server has not
|
||
|
|
# called DisconnectNamedPipe() yet.
|
||
|
|
if e.errno != 22:
|
||
|
|
raise
|
||
|
|
else:
|
||
|
|
break
|
||
|
|
time.sleep(0.1)
|
||
|
|
|
||
|
|
def send(self, data):
|
||
|
|
return os.write(self._pipe, data)
|
||
|
|
|
||
|
|
def recv(self, n):
|
||
|
|
return os.read(self._pipe, n)
|
||
|
|
|
||
|
|
def close(self):
|
||
|
|
return os.close(self._pipe)
|