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on the kerberos mailing lists a couple of weeks ago: Don't use DNS at
all for expanding short names into long names.
Using the 'override krb5_init_context' code already in the tree, this
removes the DNS lag on a kerberos session setup/connection.
Andrew Bartlett
(This used to be commit de3ceab3d0)
Samba to use the target principal name supplied in the mechTokenMIC of
an SPNEGO negTokenInit.
This isn't a great idea for security reasons, but is how Samba3 behaves,
and allows kerberos to function more often in some environments. It is
only available for CIFS session setups, due to the ordering of the
exchange.
Andrew Bartlett
(This used to be commit f6a6456441)
ideas I have had.
When I get a full list of things I want to do to a krb5_context I'll
either add gsskrb5_ wrappers, or a way of speicfying the krb5 context
per gssapi context.
(I want to ensure that the only krb5_context variables created while
executing Samba4 are via our wrapper).
Andrew Bartlett
(This used to be commit 8a22d46e70)
about the size of the signature. In particular, this works with AES,
which was previously broken Samba4/Samba4.
Reviewed by metze (and thanks for help with the previous IDL commit).
(This used to be commit 3c8be196cc)
data to be signed/sealed. We can use this to split the data from the
signature portion of the resultant wrapped packet.
This required merging the gsskrb5_wrap_size patch from
lorikeet-heimdal, and fixes AES encrption issues on DCE/RPC (we no
longer use a static 45 byte value).
This fixes one of the krb5 issues in my list.
Andrew Bartlett
(This used to be commit e4f2afc343)
with an aim to make the code simpiler and more correct.
Gone is the old (since the very early Samba 3.0 krb5 days) 'iterate over
all keytypes)' code in gensec_krb5, we now follow the approach used in
gensec_gssapi, and use a keytab.
I have also done a lot of work in the GSSAPI code, to try and reduce
the diff between us and upstream heimdal. It was becoming hard to
track patches in this code, and I also want this patch (the DCE_STYLE
support) to be in a 'manageable' state for when lha considers it for
merging. (metze assures me it still has memory leak problems, but
I've started to address some of that).
This patch also includes a simple update of other code to current
heimdal, as well as changes we need for better PAC verification.
On the PAC side of things we now match windows member servers by
checking the name and authtime on an incoming PAC. Not generating these
right was the cause of the PAC pain, and so now both the main code and
torture test validate this behaviour.
One thing doesn't work with this patch:
- the sealing of RPC pipes with kerberos, Samba -> Samba seems
broken. I'm pretty sure this is related to AES, and the need to break
apart the gss_wrap interface.
Andrew Bartlett
(This used to be commit a3aba57c00)
'MEMORY_WILDCARD' keytab type. (part of this checking is in effect a
merge from lorikeet-heimdal, where I removed this)
This is achieved by correctly using the GSSAPI gsskrb5_acquire_cred()
function, as this allows us to specify the target principal, regardless
of which alias the client may use.
This patch also tries to simplify some principal handling and fixes some
error cases.
Posted to samba-technical, reviewed by metze, and looked over by lha on IRC.
Andrew Bartlett
(This used to be commit 506a7b67ae)
Kerberos CCACHE into the system.
This again allows the use of the system ccache when no username is
specified, and brings more code in common between gensec_krb5 and
gensec_gssapi.
It also has a side-effect that may (or may not) be expected: If there
is a ccache, even if it is not used (perhaps the remote server didn't
want kerberos), it will change the default username.
Andrew Bartlett
(This used to be commit 6202267f6e)
that the logon_time field in the pac must match the authtime field in the ticket we
gave the client in the AS-REP (and thus also the authtime field in the ticket we get
back in the TGS-REQ).
Many thanks to Andrew Bartlett for his patience in showing me the
basic ropes of all this code! This was a joint effort.
(This used to be commit 7bee374b3f)
requirements, and for better error reporting.
In particular, the composite session setup (extended security/SPNEGO)
code now returns errors, rather than NT_STATUS_NO_MEMORY. This is
seen particularly when GENSEC fails to start.
The tighter interface rules apply to NTLMSSP, which must be called
exactly the right number of times. This is to match some of our other
less-tested modules, where adding flexablity is harder. (and this is
security code, so let's just get it right). As such, the DCE/RPC and
LDAP clients have been updated.
Andrew Bartlett
(This used to be commit 134550cf75)
- Fix mixing of code and data
- send mechListMic again in SPENGO server
- only send optomistic first packet in the client.
(This used to be commit 9941da8081)
into Samba3.
The NTLMSSP sign/seal code now assumes that GENSEC has already checked
to see if SIGN or SEAL should be permitted. This simplfies the code
ensures that no matter what the mech, the correct code paths have been
set in place.
Also remove duplication caused by the NTLMv2 code's history, and
document why some of the things a bit funny.
In SPNEGO, create a new routine to handle the negTokenInit creation.
We no longer send an OID for a mech we can't start (like kerberos on
the server without a valid trust account).
Andrew Bartlett
(This used to be commit fe45ef608f)
caused me pain (and covourty warnings).
Simply gensec_gssapi to assume the properties of lorikeet-heimdal,
rather than having #ifdef around critical features. This simplifies
the code rather a lot.
Andrew Bartlett
(This used to be commit 11156f556d)
supply the user_sess_key and lm_sess_key parameters. Inspired by
coverty complaining about inconsistant checking.
Also factor out some of this code, where we deal with just NT and LM
hashes, or embedded plaintext passwords.
Andrew Bartlett
(This used to be commit ceec35564f)
the ndr_pull/push/print functions for it in the ntacl-lsm module
- fix compiler warnings in the ldap_encode_ndr_* code
metze
(This used to be commit 83d65d0d7e)
If we ever get problems with the kerberos code, it should show up as a
different signature in this PAC.
This involved returning more data from the pac functions, so changed
some callers and split up some functions.
Andrew Bartlett
(This used to be commit d514a74912)
non-existant field).
Also change time(NULL) into an NTTIME for comparison, rather than
experience rounding bugs (size of time_t) when converting an NTTIME
into a time_t.
Andrew Bartlett
(This used to be commit 181155f9e0)
user_info strcture in auth/
This moves it to a pattern much like that found in ntvfs, with
functions to migrate between PAIN, HASH and RESPONSE passwords.
Instead of make_user_info*() functions, we simply fill in the control
block in the callers, per recent dicussions on the lists. This
removed a lot of data copies as well as error paths, as we can grab
much of it with talloc.
Andrew Bartlett
(This used to be commit ecbd2235a3)
S390. This is an attempt to avoid the panic we're seeing in the
automatic builds.
The main fixes are:
- assumptions that sizeof(size_t) == sizeof(int), mostly in printf formats
- use of NULL format statements to perform dn searches.
- assumption that sizeof() returns an int
(This used to be commit a58ea6b385)
now push/pull a sample PAC, and still have the same byte buffer.
(Metze set up the string code, and probably already has a similar
patch).
Unfortunetly win2k3 still doesn't like what we provide, but every step helps.
Also use data_blob_const() when we are just wrapping data for API
reasons.
Andrew Bartlett
(This used to be commit e7c8076fc1)
