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This implements gensec for Samba's server side, and brings gensec up
to the standards of a full subsystem.
This means that use of the subsystem is by gensec_* functions, not
function pointers in structures (this is internal). This causes
changes in all the existing gensec users.
Our RPC server no longer contains it's own generalised security
scheme, and now calls gensec directly.
Gensec has also taken over the role of auth/auth_ntlmssp.c
An important part of gensec, is the output of the 'session_info'
struct. This is now reference counted, so that we can correctly free
it when a pipe is closed, no matter if it was inherited, or created by
per-pipe authentication.
The schannel code is reworked, to be in the same file for client and
server.
ntlm_auth is reworked to use gensec.
The major problem with this code is the way it relies on subsystem
auto-initialisation. The primary reason for this commit now.is to
allow these problems to be looked at, and fixed.
There are problems with the new code:
- I've tested it with smbtorture, but currently don't have VMware and
valgrind working (this I'll fix soon).
- The SPNEGO code is client-only at this point.
- We still do not do kerberos.
Andrew Bartlett
(This used to be commit 07fd885fd4)
This layer is used for DCERPC security, as well as ntlm_auth at this
time. It expect things like SASL and the CIFS layer to use it as
well.
The particular purpose of this layer is to introduce SPENGO, which
needs generic access to the actual implementation mechanisms.
Schannel, due to it's 'interesting' setup properties is in GENSEC, but
is only in the RPC code.
Andrew Bartlett
(This used to be commit 902af49006)
multiple torture tests to temporarily join a domain
- fixed a session key size problem
- added a schannel test suite
- allow schannel to work with ncacn_ip_tcp
(This used to be commit 36f05e4d57)
Samba's NTLMSSP code is now fully talloc based, which should go a long
way to cleaning up the memory leaks in this code. This also avoids a
lot of extra copies of data, as we now allocate the 'return' blobs on
a caller-supplied context.
I have also been doing a lot of work towards NTLM2 signing and
sealing. I have this working for sealing, but not for the verifier
(MD5 integrity check on the stream) which is still incorrect.
(I can aim a rpcecho sinkdata from a Win2k3 box to my server, and the
data arrives intact, but the signature check fails. It does however
match the test values I have...).
The new torture test is cludged in - when we get a unit test suite
back, I'll happliy put it in the 'right' place....
Andrew Bartlett
(This used to be commit 399e2e2b11)
- This required using NETLOGON_NEG_AUTH2_FLAGS for the
SetupCredentials2 negotiation flags, which is what Samba3 does,
because otherwise the server uses different crypto.
- This tests the returned session keys, which we decrypt.
- Update the Samba4 notion of a 'session key' to be a DATA_BLOB in
most places.
- Fix session key code to return NT_STATUS_NO_SESSION_KEY if none is
available.
- Remove a useless argument to SMBsesskeygen_ntv1
- move netr_CredentialState from the .idl to the new credentials.h
Andrew Bartlett
(This used to be commit 44f8b5b53e)
use NTLMSSP sign or seal at the RPC layer
It doesn't work yet, but then again neither does the old code (which
just assumed the SMB session key was used, which of course makes no
sense on a ncacn_ip_tcp connection)
(This used to be commit e878232926)
and schannel are both instances of possible security modules
- added schannel sign and sign/seal support to the dcerpc client
code. You select it with binding options of "schannel,sign" or
"schannel,seal".
(This used to be commit 05db0b9d94)
handles are not shared between open dcerpc connections, even when
those connections are on the same SMB socket. I have tested this with
w2k3, w2k and NT4. It seems that policy handles have a strict scope of
the dcerpc connection on which they were opened.
I realise that this goes against existing folk-law in the team, but it
seems that the previous testing (I'm not sure who did this?) was
wrong. Perhaps clients do send us policy handles from other
connections, but if they do then the correct thing to do is to fail
the operation with a dcerpc fault. I suspect that failing it with
exactly the right dcerpc fault code is important.
(This used to be commit 2ed24d29ba)
This adds support for bigendian rpc in the client. I have installed
SUN pcnetlink locally and am using it to test the samba4 rpc
code. This allows us to easily find places where we have stuffed up
the types (such as 2 uint16 versus a uint32), as testing both
big-endian and little-endian easily shows which is correct. I have now
used this to fix several bugs like that in the samba4 IDL.
In order to make this work I also had to redefine a GUID as a true
structure, not a blob. From the pcnetlink wire it is clear that it is
indeed defined as a structure (the byte order changes). This required
changing lots of Samba code to use a GUID as a structure.
I also had to fix the if_version code in dcerpc syntax IDs, as it
turns out they are a single uint32 not two uint16s.
The big-endian support is a bit ugly at the moment, and breaks the
layering in some places. More work is needed, especially on the server
side.
(This used to be commit bb1af644a5)
* allow for an interface to list its endpoints in the IDL file, so we
can automatically make the server listen on the right pipes, and
can scan pipes more easily (I don't take advantage of this yet,
just putting the infrastructure in place)
(This used to be commit c8b8480244)
uuid 82273fdc-e32a-18c3-3f78-827929dc23ea version 0x0000:0x0000 'eventlog'
24 calls available
WARNING: local IDL defines 4 calls
when all the WARNINGs are gone then we know we have all the calls :)
(This used to be commit f5821b2468)
* moved ntlmssp code into libcli/auth/, and updated to latest ntlmssp
code from samba3 (thanks Andrew! the new interface is great)
* added signing/ntlmssp support in the dcerpc code
* added a dcerpc_auth.c module for the various dcerpc auth mechanisms
(This used to be commit c18c9b5585)
according to the current IDL taking the data from a file. In
combination with a little hack to ethereal to extract data this is a
quite powerful IDL development tool.
(This used to be commit 229a325c3c)
I have recoded the core dcerpc packet structures (all the PDUs etc) in
terms of IDL, which means we now use pidl to generate all the code for
handling the most basic dcerpc packets. This is not normally possible
as it isn't completely valid NDR, but pidl has a number of extensions
that make it quite easy.
This also means we get the server side dcerpc
marshalling/unmarshalling code for free.
(This used to be commit 92bcad0258)
* added a NDR validator. The way it works is that when the
DCERPC_DEBUG_VALIDATE_* flags are set the dcerpc system will
perform NDR buffer validation. On sending a request the packet is
first marshalled, then unmarahslled, then marshalled again, and it is
confirmed that the two marshalling results are idential. This
ensures that our pull and push routines are absolutely in sync, so
that we can be very confident that if a routine works in the client
then the corresponding routine must work on the server side. A
similar validation is performed on all replies.
* a result of this change is that pidl is fussier about the [ref]
tag. You can only use it on pointers (which is the only place it
makes sense)
* fixed a basic alignment bug in the push side of the NDR code
* added server side pull/push support. Our dcerpc system is now fully
ready to be used on the server side.
* fixed the relative offset pointer list. It must be traversed in
reverse order on push
* added automatic value setting for the size parameter in outgoing
SdBuf structures.
* expanded the ndr debugging code to always give a message on any
failure
* fixed the subcontext push code
* fixed some memory leaks in smbtorture RPC tests
(This used to be commit 8ecf720206)
files around, but also added the first bits of auto-generated code for
the lsa pipe.
I haven't updated the Makefile to call pidl yet, so for now the code
was cut-and-pasted into librpc/ndr/ndr_lsa.c manually
(This used to be commit 6b222d3b65)
