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Server code *should* also work (I'll check shortly). May be the odd memory
leak. Problem was we (a) weren't setting signing on in the client krb5 sessionsetup
code (b) we need to ask for a subkey... (c). The client and server need to
ask for local and remote subkeys respectively.
Thanks to Paul Nelson @ Thursby for some sage advice on this :-).
Jeremy.
(This used to be commit 3f9e3b6070)
discover names for the SAMR specific permissions that were previously unknown.
The existing constant names differ from what win2k calls them but since they
aren't heavily used in Samba at the moment I'll leave them as they are.
Jean-Baptiste's data is at:
http://ethereal.ntop.org/lists/ethereal-dev/200307/msg00314.html
(This used to be commit ae77e9e554)
due to w2k bug. I think this code is now working.... Need more testing of course
but works on all the obvious cases I can think of.
Jeremy.
(This used to be commit a6e537f661)
Not strictly a bugfix, but it should considerably reduce the load we
put on LDAP servers given that at least nss_ldap on Linux keeps a
connection open.
And it should also stress our reconnect-code a bit more ;-)
Thanks to metze for this!
Volker
(This used to be commit e68d8eabeb)
Ensure a server can't do a downgrade attack if client signing is mandatory.
Add a lp_server_signing() function and a 'server signing' parameter that
will act as the client one does.
Jeremy
(This used to be commit 203e4bf0bf)
the schannel code, but I've included that anyway. :-)
This patch revives the client-side NTLMSSP support for RPC named pipes
in Samba, and cleans up the client and server schannel code. The use of the
new code is enabled by the 'sign', 'seal' and 'schannel' commands in
rpcclient.
The aim was to prove that our separate NTLMSSP client library actually
implements NTLMSSP signing and sealing as per Microsoft's NTLMv1 implementation,
in the hope that knowing this will assist us in correctly implementing
NTLMSSP signing for SMB packets. (Still not yet functional)
This patch replaces the NTLMSSP implementation in rpc_client/cli_pipe.c with
calls to libsmb/ntlmssp.c. In the process, we have gained the ability to
use the more secure NT password, and the ability to sign-only, instead of
having to seal the pipe connection. (Previously we were limited to sealing,
and could only use the LM-password derived key).
Our new client-side NTLMSSP code also needed alteration to cope with our
comparatively simple server-side implementation. A future step is to replace
it with calls to the same NTLMSSP library.
Also included in this patch is the schannel 'sign only' patch I submitted to
the team earlier. While not enabled (and not functional, at this stage) the
work in this patch makes the code paths *much* easier to follow. I have also
included similar hooks in rpccleint to allow the use of schannel on *any* pipe.
rpcclient now defaults to not using schannel (or any other extra per-pipe
authenticiation) for any connection. The 'schannel' command enables schannel
for all pipes until disabled.
This code is also much more secure than the previous code, as changes to our
cli_pipe routines ensure that the authentication footer cannot be removed
by an attacker, and more error states are correctly handled.
(The same needs to be done to our server)
Andrew Bartlett
(This used to be commit 5472ddc9ea)
* move rid allocation into IDMAP. See comments in _api_samr_create_user()
* add winbind delete user/group functions
I'm checking this in to sync up with everyone. But I'm going to split
the add a separate winbindd_allocate_rid() function for systems
that have an 'add user script' but need idmap to give them a RID.
Life would be so much simplier without 'enable rid algorithm'.
The current RID allocation is horrible due to this one fact.
Tested idmap_tdb but not idmap_ldap yet. Will do that tomorrow.
Nothing has changed in the way a samba domain is represented, stored,
or search in the directory so things should be ok with previous installations.
going to bed now.
(This used to be commit 0463045cc7)
purpose. Replace with an array of SAM_ACCOUNT/DOMAIN_GRP entries.
ZERO struct's in smbd/uid.c stops core dumps when sid_to_XX
functions fail. Getting ready to add caching.
Jeremy.
(This used to be commit 9d0692a54f)
* remove idmap_XX_to_XX calls from smbd. Move back to the
the winbind_XXX and local_XXX calls used in 2.2
* all uid/gid allocation must involve winbindd now
* move flags field around in winbindd_request struct
* add WBFLAG_QUERY_ONLY option to winbindd_sid_to_[ug]id()
to prevent automatic allocation for unknown SIDs
* add 'winbind trusted domains only' parameter to force a domain member
server to use matching users names from /etc/passwd for its domain
(needed for domain member of a Samba domain)
* rename 'idmap only' to 'enable rid algorithm' for better clarity
(defaults to "yes")
code has been tested on
* domain member of native mode 2k domain
* ads domain member of native mode 2k domain
* domain member of NT4 domain
* domain member of Samba domain
* Samba PDC running winbindd with trusts
Logons tested using 2k clients and smbclient as domain users
and trusted users. Tested both 'winbind trusted domains only = [yes|no]'
This will be a long week of changes. The next item on the list is
winbindd_passdb.c & machine trust accounts not in /etc/passwd (done
via winbindd_passdb)
(This used to be commit 8266dffab4)
down failures.
Add a 'auto-add on modify' feature to guestsam
Fix some segfault bugs on no-op idmap modifications, and on new idmappings that
do not have a DN to tack onto.
Make the 'private data' a bit more robust.
Andrew Bartlett
(This used to be commit 6c48309cda)
- Try better to add the appropriate mapping between UID and SIDs, based
on Get_Pwnam()
- Look for previous users (lookup by SID) and correctly modify the existing
entry in that case
- Map the root user to the Admin SID as a 'well known user'
- Save the LDAPMessage result on the SAM_ACCOUNT for use in the next 'update'
call on that user. This means that VL's very nice work on atomic LDAP
updates now really gets used properly!
- This also means that we know the right DN to update, without the extra
round-trips to the server.
Andrew Bartlett
(This used to be commit c7118cb31d)
We now always read the Domain SID out of LDAP. If the local secrets.tdb
is ever different to LDAP, it is overwritten out of LDAP. We also
store the 'algorithmic rid base' into LDAP, and assert if it changes.
(This ensures cross-host synchronisation, and allows for possible
integration with idmap). If we fail to read/add the domain entry, we just
fallback to the old behaviour.
We always use an existing DN when adding IDMAP entries to LDAP, unless
no suitable entry is available. This means that a user's posixAccount
will have a SID added to it, or a user's sambaSamAccount will have a UID
added. Where we cannot us an existing DN, we use
'sambaSid=S-x-y-z,....' as the DN.
The code now allows modifications to the ID mapping in many cases.
Likewise, we now check more carefully when adding new user entires to LDAP,
to not duplicate SIDs (for users, at this stage), and to add the sambaSamAccount
onto the idmap entry for that user, if it is already established (ensuring
we do not duplicate sambaSid entries in the directory).
The allocated UID code has been expanded to take into account the space
between '1000 - algorithmic rid base'. This much better fits into what
an NT4 does - allocating in the bottom part of the RID range.
On the code cleanup side of things, we now share as much code as
possible between idmap_ldap and pdb_ldap.
We also no longer use the race-prone 'enumerate all users' method for
finding the next RID to allocate. Instead, we just start at the bottom
of the range, and increment again if the user already exists. The first
time this is run, it may well take a long time, but next time will just
be able to use the next Rid.
Thanks to metze and AB for double-checking parts of this.
Andrew Bartlett
(This used to be commit 9c595c8c23)
- The 'not implmented' checks are now done by all auth modules
- the ntdomain/trustdomain/winbind modules are more presise as to
what domain names they can and cannot handle
- The become_root() calls are now around the winbind pipe opening only,
not the entire auth call
- The unix username is kept seperate from the NT username, removing the
need for 'clean off the domain\' in parse_net.c
- All sid->uid translations are now validated with getpwuid() to put a very
basic stop to logins with 'half deleted' accounts.
Andrew Bartlett
(This used to be commit 85f88191b9)
* rename original sam auth method to sam_ignoredomain
* remove samstrict_dc auth method (now covered by 'sam')
* fix wbinfo -a '...' and getent passwd bugs when running
winbindd on a samba PDC (reported by Volker)
(This used to be commit 52166faee7)
- changed --enable-developer debug to use -gstabs as it makes the
samba binaries about 10x smaller and is still quite functional for
samba debugging
(This used to be commit 53bfcd478a)
*) consolidates the dc location routines again (dns
and netbios) get_dc_list() or get_sorted_dc_list()
is the authoritative means of locating DC's again.
(also inludes a flag to get_dc_list() to define
if this should be a DNS only lookup or not)
(however, if you set "name resolve order = hosts wins"
you could still get DNS queries for domain name IFF
ldap_domain2hostlist() fails. The answer? Fix your DNS
setup)
*) enabled DOMAIN<0x1c> lookups to be funneled through
resolve_hosts resulting in a call to ldap_domain2hostlist()
if lp_security() == SEC_ADS
*) enables name cache for winbind ADS backend
*) enable the negative connection cache for winbind
ADS backend
*) removes some old dead code
*) consolidates some duplicate code
*) moves the internal_name_resolve() to use an IP/port pair
to deal with SRV RR dns replies. The namecache code
also supports the IP:port syntax now as well.
*) removes 'ads server' and moves the functionality back
into 'password server' (which can support "hostname:port"
syntax now but works fine with defaults depending on
the value of lp_security())
(This used to be commit d7f7fcda42)
and pdb_ldap.
So far, it's just a function rename, so that the next patch can be a very
simple matter of copying functions, without worrying about what changed
in the process.
Also removes the 'static' pointers for the rebind procedures, replacing them
with a linked list of value/key lookups. (Only needed on older LDAP client
libs)
Andrew Bartlett
(This used to be commit f93167a7e1)
The code was nice, but put in the wrong place (group mapping) and not
supported by most of the code, thus useless.
We will put back most of the code when our infrastructure will be changed
so that privileges actually really make sense to be set.
This is a first patch of a set to enhance all our mapping code cleaness and
stability towards a sane next beta for 3.0 code base
Simo.
(This used to be commit e341e7c49f)
There are lots of things wrong with this patch, including:
1) it overrides a user chosen configuration option
2) it adds lots of complexity inside a loop when a tiny piece of code
outside the loop would do the same thing
3) it does no error checking, and is sure to crash on some systems
If you want this functionality then try something like this at the end
of charset_name():
#ifdef HAVE_NL_LANGINFO
if (strcasecmp(ret, "LOCALE") == 0) {
const char *ln = nl_langinfo(CODESET);
if (ln) {
DEBUG(5,("Substituting charset '%s' for LOCALE\n", ln));
return ln;
}
}
#endif
then users can set 'display charset = LOCALE' to get the locale based
charset. You could even make that the default for systems that have
nl_langinfo().
(This used to be commit 382b9b806b)
Samba should preferentially use the locale information from the native system,
and only fall back on 'display charset' if this is unavailable or unsupported.
(This used to be commit 1e445fb422)
the "don't use bzero" macros.
In general I think it would be better to have a separate script that
checks for deprecated functions like these using grep rather than
using these cpp tricks. They just get us into trouble.
(This used to be commit 2a227c880d)
keep putting bzero BSD'ism's into our source code. Make this an error like
bcopy and others to prevent it in future.
Jeremy.
(This used to be commit 80d0432316)
to NTLMSSP for SASL if krb5 fails. This is important as otherwise the
admin may think that a join has succeeeded when kerberos is actually
broken.
(This used to be commit 23a6ea385c)
* remove 'winbind uid' and 'winbind gid' parameters (replaced
by current idmap parameter)
* create the sambaUnixIdPool entries automatically in the 'ldap
idmap suffix'
* add new 'ldap idmap suffix' and 'ldap group suffix' parametrer
* "idmap backend = ldap" now accepts 'ldap:ldap://server/' format
(parameters are passed to idmap init() function
(This used to be commit 1665926281)
(to match win2003 behaviour)
- added the STR_TERMINATE_ASCII flag from samba4 so we can get the
string termination right for the case where it is supposed to be
non-terminated for UCS2 and terminated when ASCII
(This used to be commit 791a4cc7cf)
Includes sambaUnixIdPool objectclass
Still needs cleaning up wrt to name space.
More changes to come, but at least we now have a
a working distributed winbindd solution.
(This used to be commit 8241758544)
