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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 f35a266b3cbb3e5fa6a86be60f34fe340a3ca71f)
which matches what samba4 has.
also fix all the callers to prevent compiler warnings
metze
(This used to be commit fa322f0cc9c26a9537ba3f0a7d4e4a25941317e7)
worked in one test, no idea what memory I've overwritten that time. This time
it survives the unpatched w2k password change.
Volker
(This used to be commit bf7bf8e4e9a279fe3ef1e9ff655b12f65c3c3e67)
have been able to reproduce with smbtorture4 for bug number 4059. It's too
late here now to check with W2k native, I'll do that tomorrow or over the
weekend. I'll then also check in a samba4 torture test to walk this from now
on.
Abartlet, can you do me a favor and look over this? It is a 1:1 copy of the
corresponding Samba4 code.
Thanks,
Volker
(This used to be commit fb5ebab873ba5196f35a9801ab2e21811b0fa8a0)
a copy of the plaintext password, only the NT and LM
hashes (all it needs). Fix smbencrypt to expose hash
verions of plaintext function. Andrew Bartlett, you
might want to look at this for gensec.
This should make it easier for winbindd to store
cached credentials without having to store plaintext
passwords in an NTLM-only environment (non krb5).
Jeremy.
(This used to be commit 629faa530f0422755823644f1c23bea74830912f)
A patch to make ntlm_auth recognize three new commands in
ntlmssp-client-1 and squid-2.5-ntlmssp:
The commands are the following:
Command: SF <hex number>
Reply: OK
Description: Takes feature request flags similar to samba4's
gensec_want_feature() call. So far, only NTLMSSP_FEATURE_SESSION_KEY,
NTLMSSP_FEATURE_SIGN and NTLMSSP_FEATURE_SEAL are implemented, using the same
values as the corresponding GENSEC_FEATURE_* flags in samba4.
Command: GF
Reply: GF <hex number>
Description: Returns the negotiated flags.
Command: GK
Reply: GK <base64 encoded session key>
Description: Returns the negotiated session key.
(These commands assist a wine project to use ntlm_auth for signing and
sealing of bulk data).
Andrew Bartlett
(This used to be commit bd3e06a0e4435f1c48fa3b7862333efe273119ee)
With this change (and setting lanman auth = no in smb.conf)
we have *identical* NTLMSSP flags to W2K3 in SPNEGO auth.
Jeremy
(This used to be commit 93ca3eee55297eb7fdd38fca38103ce129987e2a)
-----------------------------------
Thanks to a report from VL:
We were causing mayhem by weakening the keys at the wrong point in time.
I think this is the correct place to do it. The session key for SMB
signing, and the 'smb session key' (used for encrypting password sets)
is never weakened.
The session key used for bulk data encryption/signing is weakened.
This also makes more sense, when we look at the NTLM2 code.
Andrew Bartlett
-----------------------------------
With more 'try all options' testing, I found this 'simple' but in the
NTLM2 signing code.
Andrew Bartlett
-----------------------------------
After Volker's advise, try every combination of parameters. This
isn't every parameter on NTLMSSP, but it is most of the important
ones.
This showed up that we had the '128bit && LM_KEY' case messed up.
This isn't supported, so we must look instead at the 56 bit flag.
Andrew Bartlett
-----------------------------------
We should now try retesting with NT4. This should be standalone
enough to port into a SAMBA_3_0_RELEASE branch fix.
Jeremy.
(This used to be commit b9b8cd1752aeab049983c1a6038edf2231ec10a4)
initial NTLMSSP negotiate blob of only 16 bytes - no strings
added ! (So don't try parsing them).
Jeremy.
(This used to be commit e15b758f5fa6f500214bb60599a89f3c795c9fed)
NTLMSSP client and domain strings as Unicode, even when setting
flags as OEM. Cope with this.
Jeremy.
(This used to be commit 458da8987e8f406cdfd5bd602b3c3cf315675725)
* \PIPE\unixinfo
* winbindd's {group,alias}membership new functions
* winbindd's lookupsids() functionality
* swat (trunk changes to be reverted as per discussion with Deryck)
(This used to be commit 939c3cb5d78e3a2236209b296aa8aba8bdce32d3)
before trying the alternate format).
This only caused confusion and bug reports...
Andrew Bartlett
(This used to be commit 5cb02b569b39aa7a9dc6692a79ff1d1dfa69aee6)
functions so we can funnel through some well known functions. Should help greatly with
malloc checking.
HEAD patch to follow.
Jeremy.
(This used to be commit 620f2e608f70ba92f032720c031283d295c5c06a)
On systems with /dev/urandom, this avoids a change to secrets.tdb for every fork().
For other systems, we now only re-seed after a fork, and on startup.
No need to do it per-operation. This removes the 'need_reseed'
parameter from generate_random_buffer().
Andrew Bartlett
(This used to be commit 36741d3cf53a7bd17d361251f2bb50851cdb035f)
be anything, and may not be based on anything 'NT'. This is also what microsoft
calls it.
(This used to be commit 724e8d3f33719543146280062435c69a835c491e)
another NTLMv2 combination.
We should allow the NTLMv2 response to be calculated with either the domain
as supplied, or the domain in UPPER case (as we always did in the past).
As a client, we always UPPER case it (as per the spec), but we also
make sure to UPPER case the domain, when we send it. This should give
us maximum compatability.
Andrew Bartlett
(This used to be commit 1e91cd0cf87b29899641585f46b0dcecaefd848e)
test for a valid length to fail...
This should fix 'security=server' and hosts-equiv failures picked up by
the build farm.
Andrew Bartlett
(This used to be commit 39311495de3bd0a902f730967f30176db97be05a)
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
(This used to be commit e5abd93d799e5f86839560feca448743c13a9055)
would incorrectly return INVALID_PARAMETER, instead of allowing a
login.
Andrew Bartlett
(This used to be commit 76c59469a340209959c420bd5c2e947d3347bdb1)
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.
(This used to be commit ef4ab8d7c497e4229d0c1deeb20d05c95bd8feb9)
broken by my NTLM2 commit. This should correctly cause the NTLM2 case
not to be negotiated when 'security=server' is in effect.
Andrew Bartlett
(This used to be commit 19bb4b582f98eb1da41e22c9a2a2c11602cb95e4)
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 used to be commit 48123f7e42c3fde85887de23c80ceee04c2f6281)
- 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...
(This used to be commit f3bbc87b0dac63426cda6fac7a295d3aad810ecc)
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.
(This used to be commit fe585d49cc3df0d71314ff43d3271d276d7d4503)
NTLMSSP with "" username, NULL password), and add --machine-pass (-P) to
all of Samba's clients.
When connecting to an Active Directory DC, you must initiate the CIFS level
session setup with Kerberos, not a guest login. If you don't, your machine
account is demoted to NT4.
Andrew Bartlett
(This used to be commit 3547cb3def45a90f99f67829a533eac1ccba5e77)
