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(This used to be commit a7e6d2a1832db388fdafa1279f84c9a8bbfc87d6)
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(This used to be commit 5e814287ba475e12f8cc934fdd09b199dcdfdb86)
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(This used to be commit 31993cf67b816a184a4a4e92ef8ca2532c797190)
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There are still a few tidyups of old FSF addresses to come (in both s3
and s4). More commits soon.
(This used to be commit fcf38a38ac691abd0fa51b89dc951a08e89fdafa)
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* Move dlinklist.h, smb.h to subsystem-specific directories
* Clean up ads.h and move what is left of it to dsdb/
(only place where it's used)
(This used to be commit f7afa1cb77f3cfa7020b57de12e6003db7cfcc42)
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routines to return an NTSTATUS. This should help track down errors.
Use a bit of talloc_steal and talloc_unlink to get the real socket to
be a child of the GENSEC or TLS socket.
Always return a new socket, even for the 'pass-though' case.
Andrew Bartlett
(This used to be commit 003e2ab93c87267ba28cd67bd85975bad62a8ea2)
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contexts from the application layer into the socket layer.
This improves a number of correctness aspects, as we now allow LDAP
packets to cross multiple SASL packets. It should also make it much
easier to write async LDAP tests from windows clients, as they use SASL
by default. It is also vital to allowing OpenLDAP clients to use GSSAPI
against Samba4, as it negotiates a rather small SASL buffer size.
This patch mirrors the earlier work done to move TLS into the socket
layer.
Unusual in this pstch is the extra read callback argument I take. As
SASL is a layer on top of a socket, it is entirely possible for the
SASL layer to drain a socket dry, but for the caller not to have read
all the decrypted data. This would leave the system without an event
to restart the read (as the socket is dry).
As such, I re-invoke the read handler from a timed callback, which
should trigger on the next running of the event loop. I believe that
the TLS code does require a similar callback.
In trying to understand why this is required, imagine a SASL-encrypted
LDAP packet in the following formation:
+-----------------+---------------------+
| SASL Packet #1 | SASL Packet #2 |
----------------------------------------+
| LDAP Packet #1 | LDAP Packet #2 |
----------------------------------------+
In the old code, this was illegal, but it is perfectly standard
SASL-encrypted LDAP. Without the callback, we would read and process
the first LDAP packet, and the SASL code would have read the second SASL
packet (to decrypt enough data for the LDAP packet), and no data would
remain on the socket.
Without data on the socket, read events stop. That is why I add timed
events, until the SASL buffer is drained.
Another approach would be to add a hack to the event system, to have it
pretend there remained data to read off the network (but that is ugly).
In improving the code, to handle more real-world cases, I've been able
to remove almost all the special-cases in the testnonblock code. The
only special case is that we must use a deterministic partial packet
when calling send, rather than a random length. (1 + n/2). This is
needed because of the way the SASL and TLS code works, and the 'resend
on failure' requirements.
Andrew Bartlett
(This used to be commit 5d7c9c12cb2b39673172a357092b80cd814850b0)
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(This used to be commit 61c6100617589ac6df4f527877241464cacbf8b3)
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This reduces caller complexity, because the TLS code is now called
just like any other socket. (A new socket context is returned by the
tls_init_server and tls_init_client routines).
When TLS is not available, the original socket is returned.
Andrew Bartlett
(This used to be commit 09b2f30dfa7a640f5187b4933204e9680be61497)
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This is in preperation for making TLS a socket library.
Andrew Bartlett
(This used to be commit a312812b92f5ac7e6bd2c4af725dbbbc900d4452)
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Move unistr-specific code to lib/charset/. Remove _m from some places where it's not needed.
(This used to be commit 03224e112424968fc3f547c6159c7ccae2d1aa5b)
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(This used to be commit 9c37f847d32d2f327a88c53a90af0c73126b76be)
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metze
(This used to be commit fd84583ab4a3afc484f220d1475b1e61b3f2fbc6)
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(This used to be commit c722f665c90103f3ed57621c460e32ad33e7a8a3)
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the difference between these at all, and in the future the
fact that INIT_OBJ_FILES include smb_build.h will be sufficient to
have recompiles at the right time.
(This used to be commit b24f2583edee38abafa58578d8b5c4b43e517def)
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(This used to be commit 9c4436a124f874ae240feaf590141d48c33a635f)
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problem was caused by a callback destroying the packet processing
context while that context was being used in packet_recv()
This is the first time we have used the ability of talloc destructors
to 'refuse' a free request. It works well in this case as it makes the
composite API simpler to use for other code, and isolates the
complexity of having callbacks destroying the packet context to the
packet.c code.
(This used to be commit b1b2d86541a376f1ef33fae897f750005c386ebe)
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enabling of packet serialisation
(This used to be commit 6a47cd65a8b588f9ddd375c57caaba08281e7cbb)
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(This used to be commit 48e6424b0cce38f7d8f212d1e891ff8bbd5fec34)
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metze
(This used to be commit 9d6406d8daeff0a9bde72ce7749d18fa61324e8a)
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(This used to be commit ba7864b07eebecd4d4eb2ce515412a49964ae179)
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sign of the comparison right :-)
(This used to be commit 7e40077aa793e29b5770aae2e07e964239e8249b)
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under-reads we could end up supplying a buffer to the client that has
an incorrect length
(This used to be commit 9c95015b9cccc10a5ba1facd4b48c0fff34e9588)
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allowing it to specify the initial read size (thus preventing
over-reading) and to stop the recv process when needed. This is used
by the dcerpc socket code, which relies on not getting packets when it
isn't ready for them
(This used to be commit f869fd674ec4b148dc9a264e94d19ce79d35131d)
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packet code
(This used to be commit b4dbe55105cc2807a17d7e5bf8db9756cc526a3b)
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(This used to be commit f98d499b2ef93cf2d060acafbc424754add322a8)
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handle optional request serialisation (this is something that is
commonly needed on stream connections)
(This used to be commit d860eb795693d8c292eec2a639ece4793d28dc38)
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something that Andrew Bartlett has been asking for for a while, and
when I started having to re-invent this packet parsing code yet again
for SMB2 I decided it was time to do it generically
you use it by providing a "is this a full packet yet?" helper function
to the packet_*() functions, which then handle all the logic of
partial packet buffering.
This also goes to great lengths to operate efficiently, minimising the
number of recv system calls.
(This used to be commit e6c47b954a6f09c53ea419800ce873295fcd0be9)
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