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when verifying a ticket from winbindd_pam.c.
I've found during multiple, fast, automated SSH logins (such
as from a cron script) that the replay cache in MIT's krb5
lib will occasionally fail the krb5_rd_req() as a replay attack.
There seems to be a small window during which the MIT krb5
libs could reproduce identical time stamps for ctime and cusec
in the authenticator since Unix systems only give back
milli-seconds rather than the micro-seconds needed by the
authenticator. Checked against MIT 1.5.1. Have not
researched how Heimdal does it.
My thinking is that if someone can spoof the KDC and TDS
services we are pretty hopeless anyways.
(This used to be commit cbd33da9f7)
This fixes the build on solaris (host sun9).
And hopefully doesn't break any other builds... :-)
If it does, we need some configure magic.
Thanks to Björn Jacke <bj@sernet.de>.
(This used to be commit a43775ab36)
When asked to create a machine account in an OU as part
of "net ads join" and the account already exists in another
OU, simply move the machine object to the requested OU.
(This used to be commit 3004cc6e59)
Helps when transitioning from offline to online mode.
Note that this is a quick hack and a better solution
would be to start the DNS server's state between processes
(similar to the namecache entries).
(This used to be commit 4f05c6fe26)
not specific for NTLMSSP
- it's possible that the server sends a mechOID and authdata
if negResult != SPNEGO_NEG_RESULT_INCOMPLETE, but we still
force the mechOID to be present if negResult == SPNEGO_NEG_RESULT_INCOMPLETE
metze
(This used to be commit e9f2aa22f9)
to restructure libsmb/smb_signing.c so it isn't in
the base libs path but lives in libsmb instead (like
smb_seal.c does).
Jeremy.
(This used to be commit 1b828f051d)
the MIT gss libraries *SUCK*, move the frees to the end
of the function so MIT doesn't segfault.....
Add a comment so that another engineer knows why I did
this.
Jeremy.
(This used to be commit 1a2be06d4a)
to return a NT_STATUS_TIME_DIFFERENCE_AT_DC error to
a client when there's clock skew. Will help people
debug this. Prepare us for being able to return the
correct sessionsetupX "NT_STATUS_MORE_PROCESSING_REQUIRED"
error with associated krb5 clock skew error to allow
clients to re-sync time with us when we're eventually
able to be a KDC.
Jeremy.
(This used to be commit c426340fc7)
yet, the next step will be a secrets_fetch_machine_account() function that
also pulls the account name to be used in the appropriate places.
Volker
(This used to be commit f94e5af72e)
This is a starting point and may get changed. Basically we need follow the
exact same path to detect (K)DCs like other Samba tools/winbind do. In
particular with regard to the server affinity cache and the site-awarness for
DNS SRV lookups.
To compile just call "make bin/smb_krb5_locator.so", copy to
/usr/lib/plugin/krb5/ (Heimdal HEAD) or /usr/lib/krb5/plugins/libkrb5/ (MIT)
and you should immediately be able to kinit to your AD domain without having
your REALM with kdc or kpasswd directives defined in /etc/krb5.conf at all.
Tested with todays Heimdal HEAD and MIT krb5 1.5.
Guenther
(This used to be commit 34ae610bd5)
Fix escaping of DN components and filters around the code
Add some notes to commandline help messages about how to pass DNs
revert jra's "concistency" commit to nsswitch/winbindd_ads.c, as it was
incorrect.
The 2 functions use DNs in different ways.
- lookup_usergroups_member() uses the DN in a search filter,
and must use the filter escaping function to escape it
Escaping filters that include escaped DNs ("\," becomes "\5c,") is the
correct way to do it (tested against W2k3).
- lookup_usergroups_memberof() instead uses the DN ultimately as a base dn.
Both functions do NOT need any DN escaping function as DNs can't be reliably
escaped when in a string form, intead each single RDN value must be escaped
separately.
DNs coming from other ldap calls (like ads_get_dn()), do not need escaping as
they come already escaped on the wire and passed as is by the ldap libraries
DN filtering has been tested.
For example now it is possible to do something like:
'net ads add user joe#5' as now the '#' character is correctly escaped when
building the DN, previously such a call failed with Invalid DN Syntax.
Simo.
(This used to be commit 5b4838f62a)
For the winbind cached ADS LDAP connection handling
(ads_cached_connection()) we were (incorrectly) assuming that the
service ticket lifetime equaled the tgt lifetime. For setups where the
service ticket just lives 10 minutes, we were leaving hundreds of LDAP
connections in CLOSE_WAIT state, until we fail to service entirely with
"Too many open files".
Also sequence_number() in winbindd_ads.c needs to delete the cached LDAP
connection after the ads_do_search_retry() has failed to submit the
search request (although the bind succeeded (returning an expired
service ticket that we cannot delete from the memory cred cache - this
will get fixed later)).
Guenther
(This used to be commit 7e1a84b722)
as this is causing the WRONG_PASSWORD error in the SetUserInfo()
call during net ads join).
We are now back to always list RC4-HMAC first if supported by
the krb5 libraries.
(This used to be commit 4fb57bce87)
This allows a provider to supply the homedirectory, etc...
attributes for a user without requiring support in core
winbindd code. The idmap_ad.c module has been modified
to provide the idmap 'ad' library as well as the rfc2307 and sfu
"winbind nss info" support.
The SID/id mapping is working in idmap_ad but the nss_info
still has a few quirks that I'm in the process of resolving.
(This used to be commit aaec0115e2)
site support in a network where many DC's are down.
I heard via Volker there is still a bug w.r.t the
wrong site being chosen with trusted domains but
we'll have to layer that fix on top of this.
Gd - complain if this doesn't work for you.
Jeremy.
(This used to be commit 97e248f89a)
As discussed with jerry at the CIFS conf: overriding the
administrator's wishes from the krb5.conf has only every given me
segfaults. We suggest leaving this up to the defaults from the
libraries anyway.
Andrew Bartlett
(This used to be commit 0b72c04906)
* Fix DNS updates for multi-homed hosts
* Child domains often don't have an NS record in
DNS so we have to fall back to looking up the the NS
records for the forest root.
* Fix compile warning caused by mismatched 'struct in_addr'
and 'in_addr_t' parameters called to DoDNSUpdate()
(This used to be commit 3486acd3c3)
When having DC-less sites, AD assigns DCs from other sites to that site
that does not have it's own DC. The most reliable way for us to identify
the nearest DC - in that and all other cases - is the closest_dc flag in
the CLDAP reply.
Guenther
(This used to be commit ff004f7284)
the first is to not enable the ldap ldb backend just yet. This will
need configure tests to conditionally include. We should be able to
use the m4 files from lib/ldb/
The 2nd is to fix libads/gpo.o not to publicly prototype a function
that needs ldap.h
(This used to be commit 1cf17edc14)
for anonymous bound connections.
When doing anonymous bind you can never use paged LDAP control for
RootDSE searches on AD.
Guenther
(This used to be commit dc1d92faab)
* autogenerate lsa ndr code
* rename 'enum SID_NAME_USE' to 'enum lsa_SidType'
* merge a log more security descriptor functions from
gen_ndr/ndr_security.c in SAMBA_4_0
The most embarassing thing is the "#define strlen_m strlen"
We need a real implementation in SAMBA_3_0 which I'll work on
after this code is in.
(This used to be commit 3da9f80c28)
cache the SAF name under both the domain name
and the realm name, as we could be looking up
under both. Jerry please check.
Jeremy.
(This used to be commit 9d954d2deb)
Compiled it on systems with and without LDAP, I hope it does not break the
build farm too badly. If it does, I'll fix it tomorrow.
Volker
(This used to be commit b2ff9680eb)
set_dc_type_and_flags().
Fix problem when DC is down in ads_connect, where
we fall back to NetBIOS and try exactly the same
IP addresses we just put in the negative connection
cache.... We can never succeed, so don't try lookups
a second time.
Jeremy.
(This used to be commit 2d28f3e94a)
server in winbindd when it's down and listed
in the -ve connection cache. Fix memory leak,
reduce timeout for cldap calls - minimum 3 secs.
Jeremy.
(This used to be commit 10b32cb6de)
the get_dc_list code to get the _kerberos. names
for site support. This way we don't depend on one
KDC to do ticket refresh. Even though we know it's
up when we add it, it may go down when we're trying
to refresh.
Jeremy.
(This used to be commit 77fe2a3d74)
the code to redo the CLDAP query to restrict DC
DNS lookups to the sitename. Jerry, please check
to stop me going insane :-).
Jeremy.
(This used to be commit 8d22cc1115)
support when looking up DC's. On every CLDAP
call store the returned client sitename (if
present, delete store if not) in gencache with
infinate timeout. On AD DNS DC lookup, try looking
for sitename DC's first, only try generic if
sitename DNS lookup failed.
I still haven't figured out yet how to ensure
we fetch the sitename with a CLDAP query before
doing the generic DC list lookup. This code is
difficult to understand. I'll do some experiments
and backtraces tomorrow to try and work out where
to force a CLDAP site query first.
Jeremy.
(This used to be commit ab3f0c5b1e)
return NTSTATUS.
If we want to differentiate different name resolution problems we might want
to introduce yet another error class for Samba-internal errors. Things like no
route to host to the WINS server, a DNS server explicitly said host not found
etc might be worth passing up.
Because we can not stash everything into the existing NT_STATUS codes, what
about a Samba-specific error class like NT_STATUS_DOS and NT_STATUS_LDAP?
Volker
(This used to be commit 60a166f034)
the LGPL. Original code by Krishna Ganugapati <krishnag@centeris.com>.
Additional work by me.
It's still got some warts, but non-secure updates do
currently work. There are at least four things left to
really clean up.
1. Change the memory management to use talloc() rather than
malloc() and cleanup the leaks.
2. Fix the error code reporting (see initial changes to
dnserr.h)
3. Fix the secure updates
4. Define a public interface in addns.h
5. Move the code in libads/dns.c into the libaddns/ directory
(and under the LGPL).
A few notes:
* Enable the new code by compiling with --with-dnsupdate
* Also adds the command 'net ads dns register'
* Requires -luuid (included in the e2fsprogs-devel package).
* Has only been tested on Linux platforms so there may be portability
issues.
(This used to be commit 36f04674ae)
error. Fix our DNS SRV lookup code to deal with multi-homed hosts.
We were noly remembering one IP address per host from the Additional
records section in the SRV response which could have been an unreachable
address.
(This used to be commit 899179d2b9)
