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show us the offending host key 

(cherry picked from commit a753df8ea43c26114942147fde2f10f82da5ca29)
This commit is contained in:
Thomas Vander Stichele 2012-07-02 13:28:44 +02:00 committed by Jeff Forcier
parent 7f526044e0
commit 01aaf70fc2
1 changed files with 18 additions and 6 deletions
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24
paramiko/hostkeys.py
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@ -21,6 +21,7 @@ L{HostKeys}
""" """
import base64 import base64
import binascii
from Crypto.Hash import SHA, HMAC from Crypto.Hash import SHA, HMAC
import UserDict import UserDict
@ -29,6 +30,14 @@ from paramiko.dsskey import DSSKey
from paramiko.rsakey import RSAKey from paramiko.rsakey import RSAKey
class InvalidHostKey(Exception):
def __init__(self, line, exc):
self.line = line
self.exc = exc
self.args = (line, exc)
class HostKeyEntry: class HostKeyEntry:
""" """
Representation of a line in an OpenSSH-style "known hosts" file. Representation of a line in an OpenSSH-style "known hosts" file.
@ -63,12 +72,15 @@ class HostKeyEntry:
# Decide what kind of key we're looking at and create an object # Decide what kind of key we're looking at and create an object
# to hold it accordingly. # to hold it accordingly.
if keytype == 'ssh-rsa': try:
key = RSAKey(data=base64.decodestring(key)) if keytype == 'ssh-rsa':
elif keytype == 'ssh-dss': key = RSAKey(data=base64.decodestring(key))
key = DSSKey(data=base64.decodestring(key)) elif keytype == 'ssh-dss':
else: key = DSSKey(data=base64.decodestring(key))
return None else:
return None
except binascii.Error, e:
raise InvalidHostKey(line, e)
return cls(names, key) return cls(names, key)
from_line = classmethod(from_line) from_line = classmethod(from_line)