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The function LDB_lookup_principal() has been eliminated, and it's
contents spread back to it's callers. Removing the abstraction makes
the code clearer.
Also ensure we never pass unescaped user input to a LDB search
function.
Andrew Bartlett
This requires a rework on Heimdal's windc plugin layer, as we want
full control over what tickets Heimdal will issue. (In particular, in
case our requirements become more complex in future).
The original problem was that Heimdal's check would permit the ticket,
but Samba would then deny it, not knowing it was for kadmin/changepw
Also (in hdb-samba4) be a bit more careful on what entries we will
make the 'change_pw' service mark that this depends on.
Andrew Bartlett
Also including the supporting changes required to pass make test
A number of heimdal functions and constants have changed since we last
imported a tree (for the better, but inconvenient for us).
Andrew Bartlett
Logs showed that every SAM authentication was causing a non-indexed
ldb search for member=XXX. This was previously indexed in Samba4, but
since we switched to using the indexes from the full AD schema it now
isn't.
The fix is to use the extended DN operations to allow us to ask the
server for the memberOf attribute instead, with with the SIDs attached
to the result. This also means one less search on every
authentication.
The patch is made more complex by the fact that some common routines
use the result of these user searches, so we had to update all
searches that uses user_attrs and those common routines to make sure
they all returned a ldb_message with a memberOf filled in and the SIDs
attached.
It turns out (seen in MS-SAMR 3.1.1.7.1 for example) that the primary
way the krbtgt account is recognised as special is that RID. This
should fix issues such as 'password expired' on the kpasswd service.
Andrew Bartlett
A single AD server can only host a single domain, so don't stuff about
with looking up our crossRef record in the cn=Partitions container.
We instead trust that lp_realm() and lp_workgroup() works correctly.
Andrew Bartlett
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 a virtual attribute 'clearTextPassword' (name chosen to
match references in MS-SAMR) that contains the length-limited blob
containing an allegidly UTF16 password. This ensures we do no
validation or filtering of the password before we get a chance to MD4
it. We can then do the required munging into UTF8, and in future
implement the rules Microsoft has provided us with for invalid inputs.
All layers in the process now deal with the strings as length-limited
inputs, incluing the krb5 string2key calls.
This commit also includes a small change to samdb_result_passwords()
to ensure that LM passwords are not returned to the application logic
if LM authentication is disabled.
The objectClass module has been modified to allow the
clearTextPassword attribute to pass down the stack.
Andrew Bartlett
This avoids one more custom patch to the Heimdal code, and provides a
more standard way to produce hdb plugins in future.
I've renamed from hdb_ldb to hdb_samba4 as it really is not generic
ldb.
Andrew Bartlett
This is implemented by means of a message to the KDC, to avoid having
to link most of the KDC into netlogon.
Andrew Bartlett
(This used to be commit 82fcd7941f)
This uses Heimdal's PAC parsing code in the:
- LOCAL-PAC test
- gensec_gssapi server
- KDC (where is was already used, the support code refactored from here)
In addition, the service and KDC checksums are recorded in the struct
auth_serversupplied_info, allowing them to be extracted for validation
across NETLOGON.
Andrew Bartlett
(This used to be commit 418b440a7b)
At this stage, only arcfour-hmac-md5 trusts are used, and all trusts
are presumed bi-directional. Much more work still to be done.
Andrew Bartlett
(This used to be commit 3e9f5c2816)
This change utilizes the addition of the e_data parameter to the windc_plugin in
the heimdal code to pass extended information back to the client. The extended
information is provided in an e-data block as part of the kerberos error
message, and allows the client to determine which specific error condition
occurred.
(This used to be commit 502466ba95)
The enhanced mappings allow the Windows client to determine whether a user's
password needs to be changed (and allows them to change it), or if they cannot
logon at all.
Changes still need to be made to allow additional data to be returned. Windows
uses that additional data to display more detailed dialogs to the user. The
additional information is returned in an e-data struct of type PA-PW-SALT that
contains the more-detailed NTSTATUS error code.
(This used to be commit 6a98e5a7aa)
where the password change came from, to determine if policy should be
applied. We discriminate on if the account is a trust account.
Andrew Bartlett
(This used to be commit 48fd288957)
context. We now have an event context on the torture_context, and we
can also get one from the cli_credentials structure
(This used to be commit c0f65eb656)
* Change license to LGPL, so it can be used by non-Samba users of
LDB (cleared with Martin as well).
* Include ldb_map in standalone build.
* Move ldb_map to its own directory
(This used to be commit a90202abca)
- use "sambaPassword" only as virtual attribute for passing
the cleartext password (in unix charset) into the ldb layer
- store des-cbc-crc, des-cbc-md5 keys in the Primary:Kerberos
blob to match w2k and w2k3
- aes key support is disabled by default, as we don't know
exacly how longhorn stores them. use password_hash:create_aes_key=yes
to force creation of them.
- store the cleartext password in the Primary:CLEARTEXT blob
if configured
TODO:
- find out how longhorn stores aes keys
- find out how the Primary:WDigest blob needs to be constructed
(not supported by w2k)
metze
(This used to be commit e20b53f6fe)
which contrusts the keys...
later we need to get the key version number from the
"replPropertyMetaData" attribute entry to the (I assume)
the "unicodePwd" attribute.
msDs-KeyVersionNumber is a constructed attribute,
and is "1" when no "supplementalCredentials" is present.
we need to make some tests with a password change function
which don't give a cleartext to the server...
metze
(This used to be commit 9e43242217)
of KDC behaviour. This should allow PKINIT to be turned on and
managed with reasonable sanity.
This also means that the krb5.conf in the same directory as the
smb.conf will always have priority in Samba4, which I think will be
useful.
Andrew Bartlett
(This used to be commit a50bbde81b)
This patch updates our build system and glue to support a new snapshot
of lorikeet-heimdal.
We now procude a [SUBSYTEM] in the ans1_deps.pl script, and can depend
on that in the heimdal_build/config.mk. This is much easier than
listing every generated .o file individually.
This required some small changes to the build system, due to the way
the parent directory was handled for the output of scripts. I've also
cleaned up et_deps.pl to handle cleaning up it's generated files on
clean.
The PAC glue in Heimdal has changed significantly: we no longer have a
custom hack in the KDC, instead we have the windc plugin interface.
As such, pac-glue.c is much smaller. In the future, when I'm
confident of the new code, we will also be able to 'downsize'
auth/kerberos/kerberos_pac.c.
(I'll include the updated copy of heimdal in the next chekin, to make
it clearer what's changed in Samba4 itself).
Andrew Bartlett
(This used to be commit 75fddbbc08)
The reason is long and complex, but is due to forwardable tickets:
We would extract the forwardable ticket from the GSSAPI payload, and
look for the expiry time of the ticket for krbtgt/REALM@REALM.
However, with -r 19662 the ticket is given to the client as being for
krbtgt/realm@REALM, as it asked for a lower case realm. Heimdal is
case sensitive for realms, and bails out. (It should just not store
the forwarded ticket).
We need to co-ordinate changes in the KDC with relaxation of checks in
Heimdal, and a better kerberos behaviour testsuite.
Andrew Bartlett
(This used to be commit be4c1a36b0)
This patch changes a lot of the code in ldb_dn.c, and also
removes and add a number of manipulation functions around.
The aim is to avoid validating a dn if not necessary as the
validation code is necessarily slow. This is mainly to speed up
internal operations where input is not user generated and so we
can assume the DNs need no validation. The code is designed to
keep the data as a string if possible.
The code is not yet 100% perfect, but pass all the tests so far.
A memleak is certainly present, I'll work on that next.
Simo.
(This used to be commit a580c871d3)
when the client is using the netbios domain name as realm.
we should match this and not rewrite the principal.
This matches what windows give:
metze@SERNOX:~/prefix/lorikeet-heimdal/bin> ./kinit administrator@SERNOXDOM4
administrator@SERNOXDOM4's Password:
metze@SERNOX:~/prefix/lorikeet-heimdal/bin> ./klist
Credentials cache: FILE:/tmp/krb5cc_10000
Principal: administrator@SERNOXDOM4.MX.BASE
Issued Expires Principal
Nov 11 13:37:52 Nov 11 23:37:52 krbtgt/SERNOXDOM4@SERNOXDOM4.MX.BASE
Note:
I need to disable the principal checks in heimdal's
_krb5_extract_ticket() for the kinit to work.
Any ideas how to change heimdal to support this.
For the service principal we should use
the realm and principal in req->kdc_rep.enc_part
instead of the unencrypted req->kdc.ticket.sname
and req->kdc.ticket.realm to have a trusted value.
I'm not sure what we can do with the client realm...
metze
(This used to be commit cfee02143f)
This merges Samba4 with lorikeet-heimdal, which itself has been
tracking Heimdal CVS for the past couple of weeks.
This is such a big change because Heimdal reorganised it's internal
structures, with the mechglue merge, and because many of our 'wishes' have been granted: we now have DCE_STYLE GSSAPI, send_to_kdc hooks and many other features merged into the mainline code. We have adapted to upstream's choice of API in these cases.
In gensec_gssapi and gensec_krb5, we either expect a valid PAC, or NO
PAC. This matches windows behavour. We also have an option to
require the PAC to be present (which allows us to automate the testing
of this code).
This also includes a restructure of how the kerberos dependencies are
handled, due to the fallout of the merge.
Andrew Bartlett
(This used to be commit 4826f17351)
Break up auth/auth.h not to include the world.
Add credentials_krb5.h with the kerberos dependent prototypes.
Andrew Bartlett
(This used to be commit 2b569c42e0)
reject reason code while password changing: SAMR_REJECT_IN_HISTORY which
is different from SAMR_REJECT_COMPLEXITY.
torture test to follow as well.
Guenther
(This used to be commit 7513748208)
* Move dlinklist.h, smb.h to subsystem-specific directories
* Clean up ads.h and move what is left of it to dsdb/
(only place where it's used)
(This used to be commit f7afa1cb77)
and gensec_server_start().
calling them with NULL for event context or messaging context
is no longer allowed!
metze
(This used to be commit 679ac74e71)
talloc_set_destructor() is type safe. The end result will be lots less
use of void*, and less calls to talloc_get_type()
(This used to be commit 6b4c085b86)
krbtgt/MY.REALM@MY.REALM
TGS ticket requests, but for the moment, these are still marked as
'server' requests by the kerberos5.c caller.
Andrew Bartlett
(This used to be commit afaee0a6b7)
This includes many useful upstream changes, many of which should
reduce warnings in our compile.
It also includes a change to the HDB interface, which removes the need
for Samba4/lorikeet-heimdal to deviate from upstream for hdb_fetch().
The new flags replace the old entry type enum.
(This required the rework in hdb-ldb.c included in this commit)
Andrew Bartlett
(This used to be commit ef5604b877)
Remove some autogenerated headers (which had prototypes now autogenerated by pidl)
Remove ndr_security.h from a few places - it's no longer necessary
(This used to be commit c19c2b51d3)
Make the ldb password_hash module only depend on some keys manipulation code, not full heimdal
Some other dependency fixes
(This used to be commit 5b3ab728ed)
- add set_title hook to the process models
- use setproctitle library in process_model standard if available
- the the title for the task servers and on connections
metze
(This used to be commit 526f20bbec)
if the 'password does not expire' flag has been set, filling in the
PAC and netlogon reply correctly if so.
Andrew Bartlett
(This used to be commit c530ab5dc6)
was pointed out by Maurice Massar. It ensures we get the addresses
for the krb5_mk_priv() correct (otherwise an MIT kpasswdd fails over
localhost).
Also never run the KDC unless we are a DC.
Andrew Bartlett
(This used to be commit c170079184)
In particular, I've used the --leak-report-full option to smbd to
track down memory that shouldn't be on a long-term context. This is
now talloc_free()ed much earlier.
Andrew Bartlett
(This used to be commit c6eb74f429)
case) as the keytab.
This avoids issues in replicated setups, as we will replicate the
kpasswd key correctly (including from windows, which is why I care at
the moment).
Andrew Bartlett
(This used to be commit 849500d1aa)
structure that is more generic than just 'IP/port'.
It now passes make test, and has been reviewed and updated by
metze. (Thankyou *very* much).
This passes 'make test' as well as kerberos use (not currently in the
testsuite).
The original purpose of this patch was to have Samba able to pass a
socket address stucture from the BSD layer into the kerberos routines
and back again. It also removes nbt_peer_addr, which was being used
for a similar purpose.
It is a large change, but worthwhile I feel.
Andrew Bartlett
(This used to be commit 88198c4881)
with clients compiled against the MIT Kerberos implementation. (Which
checks for address in KRB-PRIV packets, hence my comments on socket
functions earlier today).
It also fixes the 'set password' operation to behave correctly (it was
previously a no-op).
This allows Samba3 to join Samba4. Some winbindd operations even work,
which I think is a good step forward. There is naturally a lot of work
to do, but I wanted at least the very basics of Samba3 domain membership
to be available for the tech preview.
Andrew Bartlett
(This used to be commit 4e80a557f9)
is new, and has no password. It may also occour in the future if we
allow PKINIT. In any case, it shouldn't segfault :-)
Andrew Bartlett
(This used to be commit 686fea241b)
