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Always return the reply and the kdc_exchange_dict so that the caller has
more potentially useful information.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Items contained in a default-created callback_dict should not be carried
over between unrelated calls to {as,tgs}_as_exchange_dict().
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Remove the EncAuthorizationData parameters from AS_REQ_create(), since
it should only be present in the TGS-REQ form. Also, fix a call to
EncryptedData_create() to supply the key usage when creating
enc-authorization-data.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
A return statement is redundant as the last statement in a method, as
methods will otherwise return None. Also, code blocks consisting of a
single 'pass' statement can be safely omitted.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This is clearer than using the constant zero, which could be mistaken
for a valid kvno value.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This allows us to use other methods of obtaining credentials if getting
them from the environment fails.
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
If credentials are used more than once, we can now use the credentials
that we already obtained and so avoid fetching them again.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This allows us to require encryption keys in the case that a password
would not be required, such as for the krbtgt account.
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This method allows obtaining credentials that can be used for
administrative tasks such as creating accounts.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This will allow us to write tests, which will all cross check almost
every aspect of the KDC response (including encrypted parts).
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This will allow building test_as_req_enc_timestamp()
It also introduces ways to specify keys in hex formated environment
variables ${PREFIX}_{AES256,AES128,RC4}_KEY_HEX.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
It's often useful to run tests over a lot of input parameter
permutations.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This allows building the pre-authentication data that encodes
the request for the KDC (or more likely a request not to include)
the KRB5 PAC in the resulting ticket.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This allows us to reuse body in future and calculate checksums on it.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
By setting krb5_asn1.APOptions.prettyPrint = BitString_NamedValues_prettyPrint
we allow the BitString_NamedValues_prettyPrint() routine to show more named values.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
By setting krb5_asn1.APOptions.prettyPrint = BitString_NamedValues_prettyPrint
we allow the BitString_NamedValues_prettyPrint() routine to show more named values.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
These helper functions make writing subsequent Kerberos test
clearer.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We should write tests as strict as possible in order to let them run
against Windows servers.
But at the same time we want to allow tests to be useful for Samba
too...
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
These helpful functions allow us to build the various credentials
that we will use in validating the KDC responses in this test.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Test that we can use a credentials cache with a user's service ticket
obtained with our Python code to connect to a service using the normal
credentials system backed on to MIT/Heimdal Kerberos 5 libraries. This
will allow us to validate the output of the MIT/Heimdal libraries in the
future.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Fix all the PEP8 warnings in samba/tests/krb5. With the exception of
rfc4120_pyasn1.py, which is generated from rfc4120.asn1.
As these tests are new, it makes sense to ensure that they conform to
PEP8. And set an aspirational goal for the rest of our python code.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Gary Lockyer <gary@samba.org>
Autobuild-Date(master): Mon Dec 21 21:29:28 UTC 2020 on sn-devel-184
MIT kerberos returns a salt when ARCFOUR_HMAC_MD5, this commit removes
the check that a salt is not returned. A test for the difference
between MIT and Heimdal will be added in the subsequent commits.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Make PrincipalName_create a class method, so it can be used in helper
classes.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
To test the CRC32 I reverted the unkeyed-checksum fix (43958af1)
and the weak-crypto fix (389d1b97). Note that the unkeyed-md5
still worked even with weak-crypto disabled, and that the
unkeyed-sha1 never worked but I left it anyway.
Signed-off-by: Isaac Boukris <iboukris@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri May 15 12:25:40 UTC 2020 on sn-devel-184
