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For KERBEROS applications the realm should be upcase (function "lp_realm") but
for DNS ones it should be used lowcase (function "lp_dnsdomain"). This patch
implements the use of both in the right way.
The purpose of admin_session is to be able to execute parts of provisioning
as the user Administrator in order to have the correct group and owner in the
security descriptors. To be used for provisioning and tests only.
We have not only to expand the additional groups but *also* the primary group to
gain all rights of a user account.
Also, remove an unneeded context (tmp_ctx) and "talloc_steal".
This library intercepts seteuid and related calls, and simulates them
in a manner similar to the nss_wrapper and socket_wrapper
libraries. This allows us to enable the vfs_unixuid NTVFS module in
the build farm, which means we are more likely to catch errors in the
token manipulation.
The simulation is not complete, but it is enough for Samba4 for
now. The major areas of incompleteness are:
- no emulation of setreuid, setresuid or saved uids. These would be
needed for use in Samba3
- no emulation of ruid changing. That would also be needed for Samba3
- no attempt to emulate file ownership changing, so code that (for
example) tests whether st.st_uid matches geteuid() needs special
handling
This patch adds a function "authsam_expand_nested_groups" (calculation of rights
through expanding groups of a certain SID) which basically collects all
memberships through "memberOf" attributes. It works with either user or group SIDs.
For avoiding loops it tests on each call if the SID hasn't been added yet (through
the helper function "sids_contains_sid").
The function itself is called by "authsam_make_server_info".
This extends the PKINIT code in Heimdal to ask the HDB layer if the
User Principal Name name in the certificate is an alias (perhaps just
by case change) of the name given in the AS-REQ. (This was a TODO in
the Heimdal KDC)
The testsuite is extended to test this behaviour, and the other PKINIT
certficate (using the standard method to specify a principal name in a
certificate) is updated to use a Administrator (not administrator).
(This fixes the kinit test).
Andrew Bartlett
It is much easier to do decryption with wireshark when the keytab is
available for every host in the domain. Running 'net export keytab
<keytab name>' will export the current (as pointed to by the supplied
smb.conf) local Samba4 doamin.
(This uses Heimdal's 'hdb' keytab and then the existing hdb-samba4,
and so has a good chance of keeping working in the long term).
Andrew Bartlett
It is much easier to do decryption with wireshark when the keytab is
available for every host in the domain. Running 'net export keytab
<keytab name>' will export the current (as pointed to by the supplied
smb.conf) local Samba4 doamin.
(This uses Heimdal's 'hdb' keytab and then the existing hdb-samba4,
and so has a good chance of keeping working in the long term).
Andrew Bartlett
Each attribute we request from LDB comes with a small cost, so don't
lookup any more than we must for the (very) frequent krbtgt lookup
case. Similarly, we don't need to build a PAC for a server (as a
target), so don't ask for the PAC attributes here either.
Andrew Bartlett
When emulating Samba3 (which we do to ensure we don't break
compatability), don't do mutual authentication by default, as it
breaks the session key with AES and isn't what Samba3 does anyway.
Andrew Bartlett
This allows the older 'like Samba3' GENSEC krb5 implementation to work
against Windows 2008. I'm using this to track down interop issues in
this area.
Andrew Bartlett
s4:auth/ntlmssp: let _unwrap fallback to seal if sign only doesn't work
Windows always uses SEAL with NTLMSSP on LDAP connection even if not negotiated.
metze
The session keys as supplied already have a reference on them, so
stealing them creates challenges. For 16 bytes, it is just easier to
be consistant and copy them.
Andrew Bartlett
This reworks the notes file to be less stream-of-consciousness and more
task for porting, with a very particular focus on a potential port of
Samba4 to use MIT Kerberos.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
