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Not the correct fix for the specific issue, but a general fix to
make sure this can never happen again.
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Sep 26 04:07:57 CEST 2012 on sn-devel-104
Avoid overriding default ccache for ads operations.
Nowadays various samba components may need to use GSSAPI and a default cred
cache to perform their tasks.
This code was completely overriding the whole process default ccache name, thus
altering the current credentials and sometimes hijacking them (or getting
preemptively hijaked).
By using gss_krb5_import_cred we can instead use a private ccache (necessary
sometimes to use a different set of credentials fromt he default
cifs/fqdn@realm one, for example when contacting foreign DCs using trust
credentials) that does not affect the rest of the process.
For the kerberos versions which don't have gss_krb5_import_cred
we fallback to temp override of KRB5CCNAME and gss_acquire_cred.
Signed-off-by: Alexander Bokovoy <ab@samba.org>
Signed-off-by: Günther Deschner <gd@samba.org>
Autobuild-User(master): Alexander Bokovoy <ab@samba.org>
Autobuild-Date(master): Wed Sep 12 21:18:09 CEST 2012 on sn-devel-104
The free is however a talloc_free(), which has additional protection against
freeing the wrong thing.
Andrew Bartlett
Signed-off-by: Jeremy Allison <jra@samba.org>
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Fri Mar 2 01:45:19 CET 2012 on sn-devel-104
Found by Codenomicon at the SNIA plugfest. Don't keep going
in the loop when reading the OIDs fail.
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Wed Sep 21 05:24:59 CEST 2011 on sn-devel-104
into negprot_spnego() where it belongs (it's not an SPNEGO operation).
Add a TALLOC_CTX for callers of negprot_spnego(). Closer to unifying all
the gen_negTokenXXX calls.
Jeremy.
When parsing a SPNEGO session setup retry (falling back from KRB5 to NTLMSSP),
we failed to parse the ASN1_ENUMERATED negResult in the negTokenTarg, thus
failing spnego_parse_auth() completely.
By just using the shared spnego/asn1 code, we get the parsing the correct way.
Guenther
Ignore optional req_flags. Use the Kerberos mechanism OID negotiated
with the client rather than hardcoding OID_KERBEROS5_OLD.
(This used to be commit 59a2bcf30f)
bugs in various places whilst doing this (places that assumed
BOOL == int). I also need to fix the Samba4 pidl generation
(next checkin).
Jeremy.
(This used to be commit f35a266b3c)
The translate_name() used by cli_session_setup_spnego() cann rely
Winbindd since it is needed by the join process (and hence before
Winbind can be run).
(This used to be commit 00a93ed336)
-
We ran across a bug joining our Samba server to a Win2K domain with LDAP
signing turned on. Upon investigation I discovered that there is a bug
in Win2K server which returns a duplicated responseToken in the LDAP
bindResponse packet. This blob is placed in the optional mechListMIC
field which is unsupported in both Win2K and Win2K3. You can see RFC
2478 for the proper packet construction. I've worked with metze on this
to confirm all these finding.
This patch properly parses then discards the mechListMIC field if it
exists in the packet, so we don't produce a malformed packet error,
causing LDAP signed joins to fail. Also attached is a sniff of the
domain join, exposing Win2Ks bad behavior (packet 21).
-
(I've just changed the scope of the DATA_BLOB mechList)
metze
(This used to be commit 200b5bfb81)
not specific for NTLMSSP
- it's possible that the server sends a mechOID and authdata
if negResult != SPNEGO_NEG_RESULT_INCOMPLETE, but we still
force the mechOID to be present if negResult == SPNEGO_NEG_RESULT_INCOMPLETE
metze
(This used to be commit e9f2aa22f9)
For the winbind cached ADS LDAP connection handling
(ads_cached_connection()) we were (incorrectly) assuming that the
service ticket lifetime equaled the tgt lifetime. For setups where the
service ticket just lives 10 minutes, we were leaving hundreds of LDAP
connections in CLOSE_WAIT state, until we fail to service entirely with
"Too many open files".
Also sequence_number() in winbindd_ads.c needs to delete the cached LDAP
connection after the ads_do_search_retry() has failed to submit the
search request (although the bind succeeded (returning an expired
service ticket that we cannot delete from the memory cred cache - this
will get fixed later)).
Guenther
(This used to be commit 7e1a84b722)
weeks ago.
We have some work before us, when in AD mode Vista sends
"not_defined_in_RFC4178@please_ignore" as the principal.....
Volker
(This used to be commit af85d8ec02)
class of memory leak bugs on error found by Klocwork (#123).
Many of these functions didn't free allocated memory on
error exit.
Jeremy.
(This used to be commit 8ef11a7c6d)
