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# Authors: Rob Crittenden <rcritten@redhat.com>
#
# Copyright (C) 2007 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; version 2 only
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import httplib
import xmlrpclib
import kerberos
class KerbTransport(xmlrpclib.SafeTransport):
"""Handles Kerberos Negotiation authentication to an XML-RPC server."""
def get_host_info(self, host):
host, extra_headers, x509 = xmlrpclib.Transport.get_host_info(self, host)
# Set the remote host principal
h = host
hostinfo = h.split(':')
service = "HTTP@" + hostinfo[0]
try:
rc, vc = kerberos.authGSSClientInit(service,
kerberos.GSS_C_DELEG_FLAG |
kerberos.GSS_C_MUTUAL_FLAG |
kerberos.GSS_C_SEQUENCE_FLAG)
except kerberos.GSSError, e:
raise kerberos.GSSError(e)
try:
kerberos.authGSSClientStep(vc, "");
except kerberos.GSSError, e:
raise kerberos.GSSError(e)
extra_headers = [
("Authorization", "negotiate %s" % kerberos.authGSSClientResponse(vc) )
]
return host, extra_headers, x509
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