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This works around an artificial limitation in socket_wrapper that breaks
some versions of GnuTLS when we return a short write.
Instead, keep pushing until the OS will not take it.
The correct solution will be to use tls_tstream, but the client code
for this is not yet tested and needs the ldap client layer changed
to use it.
Andrew Bartlett
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Jul 18 11:23:55 CEST 2012 on sn-devel-104
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These are system-specific.
Reviewed-by: Jelmer
Autobuild-User: Matthias Dieter Wallnöfer <mdw@samba.org>
Autobuild-Date: Sat Feb 18 00:43:58 CET 2012 on sn-devel-104
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Found by callcatcher: http://www.skynet.ie/~caolan/Packages/callcatcher.html
Andrew Bartlett
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This function call together with the lowat feature has been removed in release
3.0 as described in this mailing list post:
http://old.nabble.com/gnutls_transport_set_lowat-deprecated-td32554230.html.
Since we do not make any use of lowat (esprimed by each function call)
we are free to simply omit it on v3.0 and later.
This addresses bug #8537.
Reviewed by: abartlet + metze
Autobuild-User: Matthias Dieter Wallnöfer <mdw@samba.org>
Autobuild-Date: Wed Nov 30 20:11:14 CET 2011 on sn-devel-104
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this converts all callers that use the Samba4 loadparm lp_ calling
convention to use the lpcfg_ prefix.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
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For KERBEROS applications the realm should be upcase (function "lp_realm") but
for DNS ones it should be used lowcase (function "lp_dnsdomain"). This patch
implements the use of both in the right way.
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when a client disconnects we expect this to happen, so don't print an
error each time
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metze
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metze
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I tried hard to not change the program logic. Should fix bug #6439.
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This fixes two things in the TLS support for Samba4. The first is to
use a somewhat more correct hostname instead of 'Samba' when
generating the test certificates. That allows TLS test clients (such
as gnutls-cli) to connect to Samba4 using auto-generated certificates.
The second fix is to add a call to gcry_control() to tell gcrypt to
use /dev/urandom instead of /dev/random (on systems that support
that). That means that test certificate generation is now very fast,
which was previously an impediment to putting the TLS tests on the
build farm.
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list=""
list="$list event_context:tevent_context"
list="$list fd_event:tevent_fd"
list="$list timed_event:tevent_timer"
for s in $list; do
o=`echo $s | cut -d ':' -f1`
n=`echo $s | cut -d ':' -f2`
r=`git grep "struct $o" |cut -d ':' -f1 |sort -u`
files=`echo "$r" | grep -v source3 | grep -v nsswitch | grep -v packaging4`
for f in $files; do
cat $f | sed -e "s/struct $o/struct $n/g" > $f.tmp
mv $f.tmp $f
done
done
metze
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remove some unused functions.
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uses of global_loadparm.
(This used to be commit a33a5530545086b81a3b205aa109dff11c546926)
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(This used to be commit 5e814287ba475e12f8cc934fdd09b199dcdfdb86)
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2007-09-29 More higher-level passing around of lp_ctx.
2007-09-29 Fix warning.
2007-09-29 Pass loadparm contexts on a higher level.
2007-09-29 Avoid using global loadparm context.
(This used to be commit 3468952e771ab31f90b6c374ade01c5550810f42)
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(This used to be commit 3fcc960839c6e5ca4de2c3c042f12f369ac5f238)
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(This used to be commit d81bb09046a7ea65aa916be7fcfa94e86b6191f5)
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(This used to be commit 5085c53fcfade614e83d21fc2c1a5bc43bb2a729)
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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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Re-enable TLS in the default configuration. We passed on the build
farm because we have an explicit diffie-hilliman parameters file set.
Andrew Bartlett
(This used to be commit d20ab6a5ed7f980cb653e965c4de3de8d058d9c4)
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emacs compile mode (hint, paste to a file, and compile as "cat
filename").
This allowed me to fix nearly all the warnings for a IA_64 SuSE build
very quickly.
(This used to be commit eba6c84efff735bb0ca941ac4b755ce2b0591667)
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libgnutls but not some of the crt functions
(This used to be commit 7a0264c52dd8ab1b1bb321462f66955a866d90a9)
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(This used to be commit 300d6e724d1ce386ad53852c0645fa8de374625a)
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Andrew Bartlett
(This used to be commit 798c0791d8e8d10dde41a6dbceb0866265f9a709)
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testsuite.
Andrew Bartlett
(This used to be commit 23314c3953676124a2ad06e8b3a3b297c11f2800)
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Adjust the web_server code to cope with this.
Andrew Bartlett
(This used to be commit 3043969708edbdab58ee57e2fbffa293b6406813)
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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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make the testnonblock skip some things. The socket *under* the tls
socket is still tested.
Andrew Bartlett
(This used to be commit 9c33c6a20a77e3f15eac3d62488117517afad940)
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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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Andrew Bartlett
(This used to be commit 2cd2e524e6e1acb2e2921e32c5551f528aa04bf4)
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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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(This used to be commit ec53f5fe9617ea36295522a410161bbca6edf9ad)
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(This used to be commit 70e7449318aa0e9d2639c76730a7d1683b2f4981)
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sam database = sam.ldb
and it will know to put it in the private dir, but if you use
sam database = ldap://server
it knows to use it as-is
(This used to be commit c5bccbc366db144d3e1cb7b21f0e3284d841dd06)
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(This used to be commit bc6bc84ef4ad3434c6cb8d94a8d7a105ad2fd8c2)
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(This used to be commit 71ee6a1df542b95c61217de71e6f56b8ce9d81b5)
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connections on that port
(This used to be commit 30da6a1cc41308a16a486111887f45bcf598f064)
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(This used to be commit 135c3367ff737246ea40030d3c852769666ff522)
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- got rid of the special cases for sasl buffers
- added a tls_socket_pending() call to determine how much data is waiting on a tls connection
- removed the attempt at async handling of ldap calls. The buffers/sockets are all async, but the calls themselves
are sync.
(This used to be commit 73cb4aad229d08e17e22d5792580bd43a61b142a)
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(This used to be commit 42d8a1a222430bd64962da7cc4ac0193b5c003f7)
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servers
can easily become tls enabled. This will be used to add support for ldaps
(This used to be commit 950500f603725349d2a0e22878e83dd1b5975f9f)
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