openstack/os-ken
Code Issues Proposed changes

bgp: use host's ssh host key if not specified

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Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
This commit is contained in:
FUJITA Tomonori 2014-05-27 11:04:54 +09:00
parent 5c78159a36
commit 25e19df614
1 changed files with 16 additions and 1 deletions
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17
ryu/services/protocols/bgp/operator/ssh.py
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@ -21,6 +21,7 @@ import paramiko
import sys
from copy import copy
from oslo.config import cfg
import os.path
from ryu.lib import hub
from ryu import version
@ -79,11 +80,25 @@ Hello, this is Ryu BGP speaker (version %s).
transport = paramiko.Transport(sock)
transport.load_server_moduli()
host_key = paramiko.RSAKey.from_private_key_file(CONF.cli_ssh_hostkey)
host_key = self._find_ssh_server_key()
transport.add_server_key(host_key)
self.transport = transport
transport.start_server(server=self)
def _find_ssh_server_key(self):
if CONF.cli_ssh_hostkey:
return paramiko.RSAKey.from_private_key_file(CONF.cli_ssh_hostkey)
elif os.path.exists("/etc/ssh_host_rsa_key"):
# OSX
return paramiko.RSAKey.from_private_key_file(
"/etc/ssh_host_rsa_key")
elif os.path.exists("/etc/ssh/ssh_host_rsa_key"):
# Linux
return paramiko.RSAKey.from_private_key_file(
"/etc/ssh/ssh_host_rsa_key")
else:
return paramiko.RSAKey.generate(1024)
def check_auth_none(self, username):
return paramiko.AUTH_SUCCESSFUL