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When starting GENSEC on the server, the auth subsystem context must be
passed in, which now includes function pointers to the key elements.
This should (when the other dependencies are fixed up) allow GENSEC to
exist as a client or server library without bundling in too much of
our server code.
Andrew Bartlett
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metze
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should in the future only contain some settings required for gensec.
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ldap server suddenly dies.
We were creating a wrong talloc hierarchy, so the event.fde was not
freed automatically as expected. This in turn made the event system call
the ldap io handlers with a null packet structure, causing a segfault.
Fix also the ordering in ldap_connection_dead()
Thanks to Metze for the huge help in tracking down this one.
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Removes one "talloc" creation of the output object.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
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(This used to be commit b4e1ae07a284c044704322446c94351c2decff91)
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(This used to be commit 78bb444b4b73df9a84f8702814f9b30b32ffd885)
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(This used to be commit 99113075c4a96679bcec4f4d6bba4acb3dee4245)
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(This used to be commit b9e3a4862e267be39d603fed8207a237c3d72081)
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(This used to be commit 84892d030de6266fc0f3a699cade960dd5dc37bc)
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global_loadparm.
(This used to be commit 37d05fdc7b0e6b3211ba6ae56b1b5da30a6a392a)
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up the call stack.
(This used to be commit ba75f1613a9aac69dd5df94dd8a2b37820acd166)
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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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the windows 2000 LDAP client
metze
(This used to be commit d40465470fa09827ea529e1f2c80bca9efc152a8)
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CN=Administrator,CN=Users,DC=w2k3,DC=vmnet1,DC=vm,DC=base
Administrator@W2K3
W2K3\Administrator
w2k3.vmnet1.vm.base/Users/Administrator
w2k3 also allows this (and maybe more...?)
metze
(This used to be commit 40c27ef88df9021e9ef2a6c43aabab709ac9662f)
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Break up auth/auth.h not to include the world.
Add credentials_krb5.h with the kerberos dependent prototypes.
Andrew Bartlett
(This used to be commit 2b569c42e0fbb596ea82484d0e1cb22e193037b9)
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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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and gensec_server_start().
calling them with NULL for event context or messaging context
is no longer allowed!
metze
(This used to be commit 679ac74e71b111344f1097ab389c0b83a9247710)
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- we need this to later:
- to disallow a StartTLS when TLS is already in use
- to place the TLS socket between the raw and sasl socket
when we had a sasl bind before the StartTLS
- and rfc4513 says that the server may allow to remove the TLS from
the tcp connection again and reuse raw tcp
- and also a 2nd sasl bind should replace the old sasl socket
metze
(This used to be commit 10cb9c07ac60b03472f2b0b09c4581cc715002ba)
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metze
(This used to be commit e8db1fb55833ab7b9e0be391ff822b34682cb38c)
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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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errors to be reported corectly, rather than just dropping the socket.
Andrew Bartlett
(This used to be commit 83dd22accfd565e86d831490043d6beaa9648c96)
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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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The session_info was not being attached to the connection, so
subsequent checks in the kludge_acl module were looking at free()ed
memory.
Andrew Bartlett
(This used to be commit 7e9079ac7af0bcd5d22040c7418cf58f86a72a1d)
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make it possible to code the difference between a zero length and a NULL DATA_BLOB...
metze
(This used to be commit 54f0b19c55df8ad3882f31a114e2ea0e4cf940ae)
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code a little. This also fixes a segfault when we didn't fill in the
error message.
Andrew Bartlett
(This used to be commit 3be01a4ac7efe8d161910e8339bfe42584c0db86)
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will not use it anyway as we plan to support
partitions in ldb directly like with rootdse
Merge ldap_simple_ldb into ldap_backend, it is
not simple anymore and makes no sense to have
it separated now that ldap partitions are gone
Initial attempt at working to some limit to avoid DOSs
for the ldap server.
Simo.
(This used to be commit 97bff3e049eba48019f2b0f3eb5a19e32fef2e23)
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metze
(This used to be commit 1eca5f46c60d09fccbef5e605c06b1b3e3b65feb)
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There's still lot of work to do but the patch is stable
enough to be pushed into the main samba4 tree.
Simo.
(This used to be commit 77125feaff252cab44d26593093a9c211c846ce8)
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Get this out of the server credentials, and push it down to ldb via an
opaque pointer.
Andrew Bartlett
(This used to be commit 61700252e05e0be6b4ffa72ffc24a95c665597e3)
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(This used to be commit 70e7449318aa0e9d2639c76730a7d1683b2f4981)
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(This used to be commit 0aca5fd5130d980d07398f3291d294202aefe3c2)
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Needs changes to our client code for automated testing.
Andrew Bartlett
(This used to be commit e751d814149d847ff1699542a4fa81eb8ca129ec)
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Andrew Bartlett
(This used to be commit 30f4ece4d2e55d2d50061f74a491d3f77551a6ae)
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authentication. This pulls the creating of the keytab back to the
credentials code, and removes the special case of 'use keberos keytab
= yes' for now.
This allows (and requires) the callers to specify the credentials for
the server credentails to GENSEC. This allows kpasswdd (soon to be
added) to use a different set of kerberos credentials.
The 'use kerberos keytab' code will be moved into the credentials
layer, as the layers below now expect a keytab.
We also now allow for the old secret to be stored into the
credentials, allowing service password changes.
Andrew Bartlett
(This used to be commit 205f77c579ac8680c85f713a76de5767189c627b)
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metze
(This used to be commit 16b2569788348ee3654557cf714ea3b204375c3c)
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authenticated session down into LDB. This associates a session info
structure with the open LDB, allowing a future ldb_ntacl module to
allow/deny operations on that basis.
Along the way, I cleaned up a few things, and added new helper functions
to assist. In particular the LSA pipe uses simpler queries for some of
the setup.
In ldap_server, I have removed the 'ldasrv:hacked' module, which hasn't
been worked on (other than making it continue to compile) since January,
and I think the features of this module are being put into ldb anyway.
I have also changed the partitions in ldap_server to be initialised
after the connection, with the private pointer used to associate the ldb
with the incoming session.
Andrew Bartlett
(This used to be commit fd7203789a2c0929eecea8125b57b833a67fed71)
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Andrew Bartlett
(This used to be commit 8cb8f99ae602f3bca0235e5e695ecb1ba55b0e46)
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(This used to be commit 355983493bc87b9e812152ef81773dccb23e03d5)
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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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event_context for the socket_connect() call, so that when things that
use dcerpc are running alongside anything else it doesn't block the
whole process during a connect.
Then of course I needed to change any code that created a dcerpc
connection (such as the auth code) to also take an event context, and
anything that called that and so on .... thus the size of the patch.
There were 3 places where I punted:
- abartlet wanted me to add a gensec_set_event_context() call
instead of adding it to the gensec init calls. Andrew, my
apologies for not doing this. I didn't do it as adding a new
parameter allowed me to catch all the callers with the
compiler. Now that its done, we could go back and use
gensec_set_event_context()
- the ejs code calls auth initialisation, which means it should pass
in the event context from the web server. I punted on that. Needs fixing.
- I used a NULL event context in dcom_get_pipe(). This is equivalent
to what we did already, but should be fixed to use a callers event
context. Jelmer, can you think of a clean way to do that?
I also cleaned up a couple of things:
- libnet_context_destroy() makes no sense. I removed it.
- removed some unused vars in various places
(This used to be commit 3a3025485bdb8f600ab528c0b4b4eef0c65e3fc9)
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prevents a bogus:
GSS Update failed: Miscellaneous failure (see text): ASN.1 identifier doesn't match expected value
error on every ldap connection. I'll remove it and let the error remain until Andrew
works out a better fix.
(This used to be commit 6123eb2ecad6f53521b546f76954523fbc0fb981)
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element in a structure is not necessary any more.
(This used to be commit 912d0427f52eac811b27bf7e385b0642f7dc7f53)
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now works with windows clients, as I fixed the zero length bind ack packet.
Andrew, note that this has the strncmp("NTLMSSP", data, 7) hack. Please
replace with a more correct fix as we discussed.
(This used to be commit 69b02e8adb25a5152aec15f55b2b2f67457cf08a)
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(This used to be commit 0df3fdd8178085c40f9cd776cc3e1486ca559c8e)
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metze
(This used to be commit 872c687184e5317b4477a184e0a954e6de0b8e9e)
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In developing a GSSAPI plugin for GENSEC, it became clear that the API
needed to change:
- GSSAPI exposes only a wrap() and unwrap() interface, and determines
the location of the signature itself.
- The 'have feature' API did not correctly function in the recursive
SPNEGO environment.
As such, NTLMSSP has been updated to support these methods.
The LDAP client and server have been updated to use the new wrap() and
unwrap() methods, and now pass the LDAP-* tests in our smbtorture.
(Unfortunely I still get valgrind warnings, in the code that was
previously unreachable).
Andrew Bartlett
(This used to be commit 9923c3bc1b5a6e93a5996aadb039bd229e888ac6)
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- Update Samba4's kerberos code to match the 'salting' changes in
Samba3 (and many other cleanups by jra).
- Move GENSEC into the modern era of talloc destructors. This avoids
many of the memory leaks in this code, as we now can't somehow
'forget' to call the end routine.
- This required fixing some of the talloc hierarchies.
- The new krb5 seems more sensitive to getting the service name
right, so start actually setting the service name on the krb5 context.
Andrew Bartlett
(This used to be commit 278bf1a61a6da6ef955a12c13d7b1a0357cebf1f)
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(This used to be commit 70d2090f6bf2c7e0caf1e9c020f330de88871f8e)
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metze
(This used to be commit 82e792a0ce94f63eeb8573d340b2198660aef132)
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