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For a (very) long time, we have had a bug in Samba were an NTLMv2-only
PDC would fail, because it converted the password into NTLM format for
checking.
This patch performs the direct comparison required for interactive
logons to function in this situation. It also removes the 'auth flags', which
simply where not ever used.
Natrually, this plays with the size of structures, so rebuild, rebuild
rebuild...
Andrew Bartlett
(This used to be commit 9598593bcf2d877b1d08cd6a7323ee0bc160d4ba)
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- 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)
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next....
Jeremy.
(This used to be commit eff74a1fcc597497a4c70589a44c1b70e93ab549)
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'set_local_machine_name' so that the client can't change it from under us.
(.NET RC2 and WinXP install calls the machine 'machinename' during NTLMSSP
on the domain join).
Andrew Bartlett
(This used to be commit 4c7163e7c2cc09bd95faa05156ee480957a7a4d8)
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- user_ok() and user_in_group() now take a list of groups, instead of
looking for the user in the members of all groups.
- The 'server_info' returned from the authentication is now kept around
- in future we won't copy the sesion key, username etc, we will just
referece them directly.
- rhosts upgraded to use the SAM if possible, otherwise fake up based on
getpwnam().
- auth_util code to deal with groups upgraded to deal with non-winbind domain
members again.
Andrew Bartlett
(This used to be commit 74b5436c75114170ce7c780c19226103d0df9060)
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- use safe_strcpy() instead of pstrcpy() for malloc()ed strings
- CUPS: a failure in an attempt to automaticly add a printer is not level 0 stuff.
- Fix up a possible Realloc() failure segfault
Andrew Bartlett
(This used to be commit c1cfc296c2efdb2b5972202146e80f0e3b6a3da4)
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of the SWAT code, and adding a base64 encoder.
The main purpose of this patch is to add NTLMSSP support to 'ntlm_auth', for
use with Squid. Unfortunetly the squid side doesn't quite support what we need
yet.
Changes to winbind to get us the info we need, and a couple of consequential
changes/cleanups in the rest of the code.
Andrew Bartlett
(This used to be commit fe50ca8f54ded2e119bde08831785fbe0db2ee99)
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challenge in the NTLMSSP context.
Andrew Bartlett
(This used to be commit ba13e058d4533b1ffba723b9e98e95090ad63d85)
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- fix a crash when a second NTLMSSP session tried to free the first
- fix a crash due to some NULL pointers in the Add Printer Wizard (or read
printer code too it appears). As far as I can tell it's just that the
GUID just might not exist.
Andrew Bartlett
(This used to be commit 51b1413056b0d001076ff47a755eb35baa2d9e6d)
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This tries to extract our server-side code out of sessetup.c, and into a more
general lib. I hope this is only a temporay resting place - I indend to
refactor it again into an auth-subsystem independent lib, using callbacks.
Move some of our our NTLMSSP #defines into a new file, and add two that I found
in the COMsource docs - we seem to have a double-up, but I've verified from
traces that the NTLMSSP_TARGET_TYPE_{DOMAIN,SERVER} is real.
This code also copes with ASCII clients - not that we will ever see any here,
but I hope to use this for HTTP, were we can get them. Win2k authenticates
fine under forced ASCII, btw.
Tested with Win2k, NTLMv2 and Samba's smbclient.
Andrew Bartlett
(This used to be commit b6641badcbb2fb3bfec9d00a6466318203ea33e1)
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