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DNS names (realms) from NetBIOS domain names.
Until now, we would experience delays as we broadcast lookups for DNS names
onto the local network segments.
Now if DNS comes back negative, we fall straight back to looking up the
short name.
Andrew Bartlett
it sent 'INVALID_PARAMETER', when it was us as the server that could not
come up with a session key. Instead, allow normal authentication to take
place, but do not setup a session key.
Andrew Bartlett
- Fill in the 'backup' idea of a domain, if the DC didn't supply one. This
doesn't seem to occour in reality, hence why we missed the typo.
lib/charcnv.c:
lib/smbldap.c:
libads/ldap.c:
libsmb/libsmbclient.c:
printing/nt_printing.c:
- all the callers to pull_utf8_allocate() pass a char ** as the first
parammeter, so don't make them all cast it to a void **
nsswitch/winbind_util.c:
- Allow for a more 'correct' view of when usernames should be qualified
in winbindd. If we are a PDC, or have 'winbind trusted domains only',
then for the authentication returns stip the domain portion.
- Fix valgrind warning about use of free()ed name when looking up our
local domain. lp_workgroup() is maniplated inside a procedure that
uses it's former value. Instead, use the fact that our local domain is
always the first in the list.
Andrew Bartlett
subsystem into a seperate file - ntlm_check.c.
This allows us to call these routines from ntlm_auth. The purpose of this
exercise is to allow ntlm_auth (when operating as an NTLMSSP server) to
avoid talking to winbind. This should allow for easier debugging.
ntlm_auth itself has been reorgainised, so as to share more code between
the SPNEGO-wrapped and 'raw' NTLMSSP modes. A new 'client' NTLMSSP mode
has been added, for use with a Cyrus-SASL module I am writing (based on vl's
work)
Andrew Bartlett
solves the problem for me here, I can still successfully set up signing using
NTLMSSP against w2k3 and it does not show a signing error anymoe when the
password was wrong.
Jeremy, you might want to take a further look at it as this is not
particularly elegant.
Volker
This fixes a problem joining a Samba domain from a
vanilla win2k client that doesn't set the
NTLMSSP_NEGOTIATE_NTLM2 flag.
Reported on samba ml as "decode_pw: incorrect password length"
when handling a samr_set_userinfo(23 or 24) RPC.
packet is the one that matters for checking the signing replies. Need to
check the server code does this correctly too....
Bug #832 reported by Volker.
Jeremy.
defaults specified by the caller to prevail.
Don't use NTLM2 for RPC pipes, until we know how it works in signing or sealing.
Call ntlmssp_sign_init() unconditionally in the client - we setup the
session key, why not setup the rest of the data.
Andrew Bartlett
This means that we now support 'net rpc join' with KRB5 (des based)
logins. Now, you need to hack 'net' to do that, but the principal is
important...
When we add kerberos to 'net rpc', it should be possible to still do
user management and the like over RPC.
(server-side support to follow shortly)
Andrew Bartlett
- NTLM2 support in the server
- KEY_EXCH support in the server
- variable length session keys.
In detail:
- NTLM2 is an extension of NTLMv1, that is compatible with existing
domain controllers (unlike NTLMv2, which requires a DC upgrade).
* This is known as 'NTLMv2 session security' *
(This is not yet implemented on the RPC pipes however, so there may
well still be issues for PDC setups, particuarly around password
changes. We do not fully understand the sign/seal implications of
NTLM2 on RPC pipes.)
This requires modifications to our authentication subsystem, as we
must handle the 'challege' input into the challenge-response algorithm
being changed. This also needs to be turned off for
'security=server', which does not support this.
- KEY_EXCH is another 'security' mechanism, whereby the session key
actually used by the server is sent by the client, rather than being
the shared-secret directly or indirectly.
- As both these methods change the session key, the auth subsystem
needed to be changed, to 'override' session keys provided by the
backend.
- There has also been a major overhaul of the NTLMSSP subsystem, to merge the 'client' and 'server' functions, so they both operate on a single structure. This should help the SPNEGO implementation.
- The 'names blob' in NTLMSSP is always in unicode - never in ascii.
Don't make an ascii version ever.
- The other big change is to allow variable length session keys. We
have always assumed that session keys are 16 bytes long - and padded
to this length if shorter. However, Kerberos session keys are 8 bytes
long, when the krb5 login uses DES.
* This fix allows SMB signging on machines not yet running MIT KRB5 1.3.1. *
- Add better DEBUG() messages to ntlm_auth, warning administrators of
misconfigurations that prevent access to the privileged pipe. This
should help reduce some of the 'it just doesn't work' issues.
- Fix data_blob_talloc() to behave the same way data_blob() does when
passed a NULL data pointer. (just allocate)
REMEMBER to make clean after this commit - I have changed plenty of data structures...
back the same way we handle the DOS error. Although I don't see why
BUFFER_TOO_SMALL should not be handled as an error, simply copy the logic.
This is only called from smbcacls and smbcquotas.
Volker
portion of NTLMv2 key exchange. Also revert the default for
'client ntlmv2 auth' to no. This caused no ends of grief in
different cases.
And based on abartlet's mail....
> All I care about at this point is that we use NTLMv2
> in our client code when connecting to a server that
> supports it.
There is *no* way to tell this. The server can't tell us, because it
doesn't know what it's DC supports. The DC can't tell us, because it
doesn't know what the trusted DC supports. One DC might be Win2k, and
the PDC could be an older NT4.
Removed calls to clobber_region when not compiling with developer as
they were hiding speed problems.
Added fast path to convert_string() when dealing with ascii -> ascii,
ucs2-le to ascii and ascii to ucs2-le with values <= 0x7F. This
gives a speedup of 22% on my nbench tests.
Next I will do this on convert_string_allocate.
Jeremy.
