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Commit Graph

7 Commits

Author SHA1 Message Date
Joseph Sutton
484c6980be CVE-2022-32744 s4:kdc: Modify HDB plugin to only look up kpasswd principal
This plugin is now only used by the kpasswd service. Thus, ensuring we
only look up the kadmin/changepw principal means we can't be fooled into
accepting tickets for other service principals. We make sure not to
specify a specific kvno, to ensure that we do not accept RODC-issued
tickets.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15074

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
2022-07-27 10:52:36 +00:00
Joseph Sutton
2d3bd2d9ab s4:kdc: Remove kadmin mode from HDB plugin
It appears we no longer require it.

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
2022-07-27 10:52:36 +00:00
Andrew Bartlett
5a05066baf s4:kdc: Update to match updated Heimdal's new HDB version
Including updates to hook into the improved hdb_auth_status
by Stefan Metzmacher <metze@samba.org> from his Heimdal
upgrade branch.

NOTE: THIS COMMIT WON'T COMPILE/WORK ON ITS OWN!

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2022-01-19 20:50:35 +00:00
Andrew Bartlett
e758f41113 kdc: Add belts-and-braces check that we fail if the hdb version changes
This checks both if host system run-time Heimdal has changed version,
and that the build-time version is supported.

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-By: Jelmer Vernooij <jelmer@samba.org>

Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Mon Jan 20 22:26:49 CET 2014 on sn-devel-104
2014-01-20 22:26:49 +01:00
Jeffrey Clark
368208069e Support for Heimdal's unified krb5 and hdb plugin system.
Fixes exportkeytab and a kdc crash when building against heimdal master.

Bug-Debian: http://bugs.debian.org/732342

Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jelmer Vernooij <jelmer@samba.org>
2014-01-21 08:30:36 +13:00
Jelmer Vernooij
92489bfed4 Cope with first element in hdb_method having a different name in different heimdal versions.
It's called `interface_version` in older Heimdal versions and
`version` in newer versions.

Signed-off-by: Jelmer Vernooij <jelmer@samba.org>

Reviewed-by: Andrew Bartlett <abartlet@samba.org>

Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Thu Nov 28 04:17:55 CET 2013 on sn-devel-104
2013-11-28 04:17:55 +01:00
Andrew Bartlett
12ce07e53b s4-kdc: Add hdb plugin for samba4, to allow kadmin to work
This will help users who are used to the kadmin interface, and could
be extended to import existing MIT or Heimdal keys into a Samba4 AD
domain.

To use, add to your krb5.conf

[kdc]

database = {
   dbname = samba4:
}

or

[kdc]

database = {
   dbname = samba4:/usr/local/samba/etc/smb.conf
}

And copy hdb_samba4.so from PREFIX/modules/hdb to your Heimdal lib directory

Andrew Bartlett

Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Wed Nov 30 03:22:11 CET 2011 on sn-devel-104
2011-11-30 03:22:11 +01:00