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authorYaroslav Brustinov <ybrustin@cisco.com>2017-02-28 14:21:30 +0200
committerYaroslav Brustinov <ybrustin@cisco.com>2017-02-28 14:21:30 +0200
commitd3907f0dcac6c6e0d7b3c3abe69c64fe4e9dcaa6 (patch)
tree526e0d5300550f0c43a6638f80950c253cf141cf /scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/ssh/forward.py
parent2ba80c6a96d3b7af496428a68e59391daad34c86 (diff)
PyZMQ restore removed by accident version of Python3/32 bits
Change-Id: Ie8a54015a02bdcc5cd0a50faff7b82cf0ad8de93 Signed-off-by: Yaroslav Brustinov <ybrustin@cisco.com>
Diffstat (limited to 'scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/ssh/forward.py')
-rw-r--r--scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/ssh/forward.py91
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diff --git a/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/ssh/forward.py b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/ssh/forward.py
new file mode 100644
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+++ b/scripts/external_libs/pyzmq-14.5.0/python3/ucs4/32bit/zmq/ssh/forward.py
@@ -0,0 +1,91 @@
+#
+# This file is adapted from a paramiko demo, and thus licensed under LGPL 2.1.
+# Original Copyright (C) 2003-2007 Robey Pointer <robeypointer@gmail.com>
+# Edits Copyright (C) 2010 The IPython Team
+#
+# 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 distrubuted 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 02111-1301 USA.
+
+"""
+Sample script showing how to do local port forwarding over paramiko.
+
+This script connects to the requested SSH server and sets up local port
+forwarding (the openssh -L option) from a local port through a tunneled
+connection to a destination reachable from the SSH server machine.
+"""
+
+from __future__ import print_function
+
+import logging
+import select
+try: # Python 3
+ import socketserver
+except ImportError: # Python 2
+ import SocketServer as socketserver
+
+logger = logging.getLogger('ssh')
+
+class ForwardServer (socketserver.ThreadingTCPServer):
+ daemon_threads = True
+ allow_reuse_address = True
+
+
+class Handler (socketserver.BaseRequestHandler):
+
+ def handle(self):
+ try:
+ chan = self.ssh_transport.open_channel('direct-tcpip',
+ (self.chain_host, self.chain_port),
+ self.request.getpeername())
+ except Exception as e:
+ logger.debug('Incoming request to %s:%d failed: %s' % (self.chain_host,
+ self.chain_port,
+ repr(e)))
+ return
+ if chan is None:
+ logger.debug('Incoming request to %s:%d was rejected by the SSH server.' %
+ (self.chain_host, self.chain_port))
+ return
+
+ logger.debug('Connected! Tunnel open %r -> %r -> %r' % (self.request.getpeername(),
+ chan.getpeername(), (self.chain_host, self.chain_port)))
+ while True:
+ r, w, x = select.select([self.request, chan], [], [])
+ if self.request in r:
+ data = self.request.recv(1024)
+ if len(data) == 0:
+ break
+ chan.send(data)
+ if chan in r:
+ data = chan.recv(1024)
+ if len(data) == 0:
+ break
+ self.request.send(data)
+ chan.close()
+ self.request.close()
+ logger.debug('Tunnel closed ')
+
+
+def forward_tunnel(local_port, remote_host, remote_port, transport):
+ # this is a little convoluted, but lets me configure things for the Handler
+ # object. (SocketServer doesn't give Handlers any way to access the outer
+ # server normally.)
+ class SubHander (Handler):
+ chain_host = remote_host
+ chain_port = remote_port
+ ssh_transport = transport
+ ForwardServer(('127.0.0.1', local_port), SubHander).serve_forever()
+
+
+__all__ = ['forward_tunnel']