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##
# Copyright (c) 2006-2007 Apple Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# DRI: Cyrus Daboo, cdaboo@apple.com
##
import kerberos
import getopt
import sys
import httplib
def main():
# Extract arguments
user = ""
pswd = ""
service = "http@CALDAV.CORP.APPLE.COM"
host = "caldav.corp.apple.com"
realm ="CALDAV.CORP.APPLE.COM"
port = 8008
ssl = False
options, args = getopt.getopt(sys.argv[1:], "u:p:s:h:i:r:")
for option, value in options:
if option == "-u":
user = value
elif option == "-p":
pswd = value
elif option == "-s":
service = value
elif option == "-h":
host = value
elif option == "-i":
port = value
elif option == "-r":
realm = value
# Get service principal
print "\n*** Running Service Principal test"
testServicePrincipal("http", "caldav.corp.apple.com");
# Run tests
if (len(user) != 0) and (len(pswd) != 0):
print "\n*** Running basic test"
testCheckpassword(user, pswd, service, realm)
else:
print "\n*** Skipping basic test: no user or password specified"
print "\n*** Running GSSAPI test"
testGSSAPI(service)
print "\n*** Running HTTP test"
testHTTP(host, port, ssl, service)
print "\n*** Done\n"
def testServicePrincipal(service, hostname):
try:
result = kerberos.getServerPrincipalDetails(service, hostname)
except kerberos.KrbError, e:
print "Kerberos service principal for %s/%s failed: %s" % (service, hostname, e[0])
else:
print "Kerberos service principal for %s/%s succeeded: %s" % (service, hostname, result)
def testCheckpassword(user, pswd, service, realm):
try:
kerberos.checkPassword(user, pswd, service, realm)
except kerberos.BasicAuthError, e:
print "Kerberos authentication for %s failed: %s" % (user, e[0])
else:
print "Kerberos authentication for %s succeeded" % user
def testGSSAPI(service):
def statusText(r):
if r == 1:
return "Complete"
elif r == 0:
return "Continue"
else:
return "Error"
rc, vc = kerberos.authGSSClientInit(service);
print "Status for authGSSClientInit = %s" % statusText(rc);
if rc != 1:
return
rs, vs = kerberos.authGSSServerInit(service);
print "Status for authGSSServerInit = %s" % statusText(rs);
if rs != 1:
return
rc = kerberos.authGSSClientStep(vc, "");
print "Status for authGSSClientStep = %s" % statusText(rc);
if rc != 0:
return
rs = kerberos.authGSSServerStep(vs, kerberos.authGSSClientResponse(vc));
print "Status for authGSSServerStep = %s" % statusText(rs);
if rs == -1:
return
rc = kerberos.authGSSClientStep(vc, kerberos.authGSSServerResponse(vs));
print "Status for authGSSClientStep = %s" % statusText(rc);
if rc == -1:
return
print "Server user name: %s" % kerberos.authGSSServerUserName(vs);
print "Client user name: %s" % kerberos.authGSSClientUserName(vc);
rc = kerberos.authGSSClientClean(vc);
print "Status for authGSSClientClean = %s" % statusText(rc);
rs = kerberos.authGSSServerClean(vs);
print "Status for authGSSServerClean = %s" % statusText(rs);
def testHTTP(host, port, ssl, service):
def sendRequest(host, port, ssl, method, uri, headers):
response = None
if ssl:
http = httplib.HTTPSConnection(host, port)
else:
http = httplib.HTTPConnection(host, port)
try:
http.request(method, uri, "", headers)
response = http.getresponse()
finally:
http.close()
return response
# Initial request without auth header
uri = "/principals/"
response = sendRequest(host, port, ssl, "OPTIONS", uri, {})
if response is None:
print "Initial HTTP request to server failed"
return
if response.status != 401:
print "Initial HTTP request did not result in a 404 response"
return
hdrs = response.msg.getheaders("www-authenticate")
if (hdrs is None) or (len(hdrs) == 0):
print "No www-authenticate header in initial HTTP response."
if len(hdrs) != 1:
print "Too many www-authenticate headers in initial HTTP response."
return
hdr = hdrs[0].strip()
splits = hdr.split(' ', 1)
if (len(splits) != 1) or (splits[0].lower() != "negotiate"):
print "Incorrect www-authenticate header in initial HTTP response: %s" % hdr
return
try:
rc, vc = kerberos.authGSSClientInit(service);
except kerberos.GSSError, e:
print "Could not initialize GSSAPI: %s/%s" % (e[0][0], e[1][0])
return
try:
kerberos.authGSSClientStep(vc, "");
except kerberos.GSSError, e:
print "Could not do GSSAPI setp with continue: %s/%s" % (e[0][0], e[1][0])
return
hdrs = {}
hdrs["Authorization"] = "negotiate %s" % kerberos.authGSSClientResponse(vc)
# Second request with auth header
response = sendRequest(host, port, ssl, "OPTIONS", uri, hdrs)
if response is None:
print "Second HTTP request to server failed"
return
if response.status/100 != 2:
print "Second HTTP request did not result in a 2xx response: %d" % (response.status,)
return
hdrs = response.msg.getheaders("www-authenticate")
if (hdrs is None) or (len(hdrs) == 0):
print "No www-authenticate header in second HTTP response."
return
if len(hdrs) != 1:
print "Too many www-authenticate headers in second HTTP response: %d." % (len(hdrs),)
return
hdr = hdrs[0].strip()
splits = hdr.split(' ', 1)
if (len(splits) != 2) or (splits[0].lower() != "negotiate"):
print "Incorrect www-authenticate header in second HTTP response: %s" % hdr
return
try:
kerberos.authGSSClientStep(vc, splits[1])
except kerberos.GSSError, e:
print "Could not verify server www-authenticate header in second HTTP response: %s/%s" % (e[0][0], e[1][0])
return
try:
rc = kerberos.authGSSClientClean(vc);
except kerberos.GSSError, e:
print "Could not clean-up GSSAPI: %s/%s" % (e[0][0], e[1][0])
return
return
if __name__=='__main__':
main()
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