[Twisted-Python] getPeer() inside conch

Benjamin Rutt rutt.4 at osu.edu
Tue Sep 29 19:16:44 EDT 2009

The code:

    print 'hello, peer %s' % (self.terminal.transport.getPeer())

Fails with:

    AttributeError: SSHSessionProcessProtocol instance has no attribute

One possible patch to twisted 8.2.0's conch/ssh/session.py's
SSHSessionProcessProtocol class to add a getPeer() method would be:

$ diff -u session.py.orig session.py
--- session.py.orig     2009-06-10 06:30:33.000000000 -0400
+++ session.py  2009-09-29 12:30:01.622444000 -0400
@@ -13,7 +13,7 @@

 import struct

-from twisted.internet import protocol
+from twisted.internet import protocol, address
 from twisted.python import log
 from twisted.conch.interfaces import ISession
 from twisted.conch.ssh import common, channel
@@ -210,6 +210,10 @@
     def loseConnection(self):

+    def getPeer(self):
+        client = self.session.conn.transport.transport.client
+        return address.IPv4Address('TCP', client[0], client[1])
 class SSHSessionClient(protocol.Protocol):

     def dataReceived(self, data):

Could someone comment on this?  (I'm fairly certain ssh runs over TCP, but
less certain that the mouthful self.session.conn.transport.transport.client
isn't invading layers of abstraction in an unfriendly way).  Thanks.
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