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Alexander Bokovoy 215bb9bd48 Do not fail checksums for RFC8009 types
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

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15635

Signed-off-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 8e931fce126e8c1128da893c806702731c08758a)

Autobuild-User(v4-20-test): Jule Anger <janger@samba.org>
Autobuild-Date(v4-20-test): Tue Apr 16 12:24:55 UTC 2024 on atb-devel-224
2024-04-16 12:24:55 +00:00
..
2018-01-08 03:34:17 +01:00
2023-03-28 09:33:31 +00:00