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We don't need that intermediate talloc ctx, we only allocate backends
and don't pass it anywhere else.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Every single caller of gensec_security_mechs() had to manually filter
out disabled mechanisms. Don't offer them from the start.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The decision whether to offer a mechanism was split between
gensec_security_mechs() and gensec_use_kerberos_mechs() with two
booleans passed down. Consolidate that decision into one
gensec_offer_mech() function that queries all information on its own.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
It's often useful to know if a password was already explicitly
specified without triggering the password callback function.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
It's often good to know if a credential structure already has
a valid kerberos credential cache attached, without the side
effect of doing a kinit and prompt for a password.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15018
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
It's off by default and all sane servers use
not_defined_in_RFC4178@please_ignore anyway.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The internally allocated ccache_name has ccc as parent,
so we don't need to cleanup explicitly.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
A simple krb5_cc_close() doesn't remove it from the global memory list.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This declaration is a hold‐over from the Python 2 module initialization
pattern.
Signed-off-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The code previously read the uninitialised stack not the parsed
structure, and so could segfault if the stack was not zero.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue Apr 9 23:59:54 UTC 2024 on atb-devel-224
While Active Directory does not support yet RFC 8009 encryption and
checksum types, it is possible to verify these checksums when running
with both MIT Kerberos and Heimdal Kerberos. This matters for FreeIPA
domain controller which uses them by default.
[2023/06/16 21:51:04.923873, 10, pid=51149, effective(0, 0), real(0, 0)]
../../lib/krb5_wrap/krb5_samba.c:1496(smb_krb5_kt_open_relative)
smb_krb5_open_keytab: resolving: FILE:/etc/samba/samba.keytab
[2023/06/16 21:51:04.924196, 2, pid=51149, effective(0, 0), real(0, 0),
class=auth] ../../auth/kerberos/kerberos_pac.c:66(check_pac_checksum)
check_pac_checksum: Checksum Type 20 is not supported
[2023/06/16 21:51:04.924228, 5, pid=51149, effective(0, 0), real(0, 0),
class=auth] ../../auth/kerberos/kerberos_pac.c:353(kerberos_decode_pac)
PAC Decode: Failed to verify the service signature: Invalid argument
Signed-off-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This function is based on a flawed premise that the
pointer is a talloc context, but the second element
in an array and any element in a structure is not a
talloc context.
The type has already been checked above.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
This is unused in Samba currently, but is a subtle race that will be difficult
to debug if this is ever used, so this makes things easier for some future
developer.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
This helps pull the salt principal calculation into a single spot.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
We should not be just doing a talloc type check, we should check the python
type first.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
