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This should make our sasl and tls handling much more robust
against partial sent pdus.
metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Fri Oct 8 11:55:26 UTC 2010 on sn-devel-104
This reverts commit b53fbc75ac.
There are problems with problems with broken gnutls versions.
We can readd this once we have the needed configure checks to
detect the bug in gnutls. See https://bugzilla.samba.org/show_bug.cgi?id=7218.
metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Thu Oct 7 10:31:18 UTC 2010 on sn-devel-104
This ensures that two ldap server operations cannot happen in parallel
by using packet_recv_disable() and packet_recv_enable() to disable
other interfaces during ldap calls.
This prevents problems caused by parallel ldap operations where
transactions could overlap.
This is strictly needed by my recent passwords work, since I want to remove
most of the password change stuff in "samr_password.c". Since AD gives us
CONSTRAINT_VIOLATION on all change problems I cannot distinguish on the SAMR
level which the real cause was about. Therefore I need the extended WERROR codes
here.
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>
the supportedSASLMechanisms opaque must live for at least as long as
the ldb, or we can crash when the first connection is torn down
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
This is needed to remove samba specifc symbols from the bundled
ldb, in order to get the ABI right.
metze
Signed-off-by: Andreas Schneider <asn@samba.org>
Check on modify if we are RODC and return referral.
On the ldap backend side now we pass context and ldb_modify_default_callback
to propagate the referral error to the client.
This should always return a simple structure with no need to consult a
DB, so remove the event context, and simplfy to call helper functions
that don't look at privilages.
Andrew Bartlett
This allows us to reuse a ldb context if it is open twice, instead
of going through the expensive process of a full ldb open. We can
reuse it if all of the parameters are the same.
The change relies on callers using talloc_unlink() or free of a parent
to close a ldb context.
This patch adds a system_session cache, preventing us from having to
recreate it on every ldb open, and allowing us to detect when the same
session is being used in ldb_wrap
The main problem is that the "rdn_name" module launches on a rename request also
a modification one with the "special attributes" which can't be changed directly.
An introduced flag helps to bypass the restriction.
This talloc_steal also conflicts with the ldb_map code, and like the
previous commit, is rudundent given the talloc_steal of the whole msg
above.
Andrew Bartlett
There may or may not be a need to take a reference to the 'name' in
the ldb_map code, but given we seal the whole msg just above here, it
makes no senst to steal the name, but not the values.
Andrew Bartlett
Those error messages also include the WERROR code of the failed operation(s) in this
manner: <error code eight chars in HEX>: <further error message>
This also addresses bug #4949
It seems that the samba4 part of the merged build does not pick up the
DEVELOPER flag from the s3 configure.
Jelmer, can you fix that properly?
Thanks,
Volker
This makes it clear to our users that this particular implementation
isn't final (all parties are agreed that an EXTERNAL bind is the right
way to do this, but it has not been implemented yet).
Andrew Bartlett
This patch creates ldap_priv/ as a subdirectory under the private dir with the
appropriate permissions to only allow the same access as the privileged winbind
socket allows. Connecting to ldap_priv/ldapi gives SYSTEM access to the ldap
database.
Our packet layer relies on the event system reliably telling us when a
packet is available. When we are using a socket layer like TLS then
things get a bit trickier, as there may be bytes in the encryption
buffer which could be read even if there are no bytes at the socket
level. The GNUTLS library is supposed to prevent this happening by
always leaving some data at the socket level when there is data to be
processed in its buffers, but it seems that this is not always
reliable.
To work around this I have added a new packet option
packet_set_unreliable_select() which tells the packet layer to not
assume that the socket layer has a reliable select, and to instead
keep trying to read from the socket until it gets back no data. This
option is set for the ldap client and server when TLS is negotiated.
This seems to fix the problems with the ldaps tests.
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
This uses an early peek at the extended_dn_control (in the request) to see what output
format to use.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
There is no reason for these restrictions to be in the LDAP server -
they belong in the LDB layer. When accepting 'extended' or
'alternate' DNs we can't tell anyway.
Andrew Bartlett
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.
This makes Samba4 behave much like Samba3 did, and use a single set of
administrative credentials for it's connection to LDAP.
Andrew Bartlett
(This used to be commit e396a59788)
This passes down the timeout more consistantly, and ensures that no
matter how the modules screw up, we don't free() the memory we are
going to write into the ASN1 packet until we actually write it out.
Andrew Bartlett
(This used to be commit eefd46289b)
These small changes seem to fix some of the early issues in 'make
valgrindtest'
Previously, the subtree_delete code didn't pass on the timeout,
leaving it uninitialised.
The ldap_server/ldap_backend.c change tidies up the talloc hierarchy a
bit.
Andrew Bartlett
(This used to be commit 95314f29a9)
