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This introduces range retrieval of ADS attributes.
I've rewritten most of Gnther's patch, partly to remove code duplication and
partly to get the retrieval of members in one rush, not interrupted by the
lookups for the DN.
Andrew, you told me that you would like to see a check whether the AD sequence
number is the same before and after the retrieval to achieve atomicity. This
would be trivial to add, but I'm not sure that we want this, as this adds two
roundtrips to every membership query. We can not know before the first query
whether we get additional range values, and at that point it's too late to ask
for the USN.
Tested with a group of 4000 members along with lots of small groups.
Volker
(This used to be commit 9d8235bf41)
- Fill in the 'backup' idea of a domain, if the DC didn't supply one. This
doesn't seem to occour in reality, hence why we missed the typo.
lib/charcnv.c:
lib/smbldap.c:
libads/ldap.c:
libsmb/libsmbclient.c:
printing/nt_printing.c:
- all the callers to pull_utf8_allocate() pass a char ** as the first
parammeter, so don't make them all cast it to a void **
nsswitch/winbind_util.c:
- Allow for a more 'correct' view of when usernames should be qualified
in winbindd. If we are a PDC, or have 'winbind trusted domains only',
then for the authentication returns stip the domain portion.
- Fix valgrind warning about use of free()ed name when looking up our
local domain. lp_workgroup() is maniplated inside a procedure that
uses it's former value. Instead, use the fact that our local domain is
always the first in the list.
Andrew Bartlett
(This used to be commit 494781f628)
- NTLM2 support in the server
- KEY_EXCH support in the server
- variable length session keys.
In detail:
- NTLM2 is an extension of NTLMv1, that is compatible with existing
domain controllers (unlike NTLMv2, which requires a DC upgrade).
* This is known as 'NTLMv2 session security' *
(This is not yet implemented on the RPC pipes however, so there may
well still be issues for PDC setups, particuarly around password
changes. We do not fully understand the sign/seal implications of
NTLM2 on RPC pipes.)
This requires modifications to our authentication subsystem, as we
must handle the 'challege' input into the challenge-response algorithm
being changed. This also needs to be turned off for
'security=server', which does not support this.
- KEY_EXCH is another 'security' mechanism, whereby the session key
actually used by the server is sent by the client, rather than being
the shared-secret directly or indirectly.
- As both these methods change the session key, the auth subsystem
needed to be changed, to 'override' session keys provided by the
backend.
- There has also been a major overhaul of the NTLMSSP subsystem, to merge the 'client' and 'server' functions, so they both operate on a single structure. This should help the SPNEGO implementation.
- The 'names blob' in NTLMSSP is always in unicode - never in ascii.
Don't make an ascii version ever.
- The other big change is to allow variable length session keys. We
have always assumed that session keys are 16 bytes long - and padded
to this length if shorter. However, Kerberos session keys are 8 bytes
long, when the krb5 login uses DES.
* This fix allows SMB signging on machines not yet running MIT KRB5 1.3.1. *
- Add better DEBUG() messages to ntlm_auth, warning administrators of
misconfigurations that prevent access to the privileged pipe. This
should help reduce some of the 'it just doesn't work' issues.
- Fix data_blob_talloc() to behave the same way data_blob() does when
passed a NULL data pointer. (just allocate)
REMEMBER to make clean after this commit - I have changed plenty of data structures...
(This used to be commit f3bbc87b0d)
in iconv.c and nsswitch/). Using them means you're not thinking about multibyte at
all and I really want to discourage that.
Jeremy.
(This used to be commit d7e35dfb92)
already have ads_search_retry() for this. However, neither
domain_sid() nor sequence_nunber() used this function. So modify
them to us ads_do_search_retry() so we can specify the base search
DN and scope.
(This used to be commit 89f6adf830)
keytab support code, but it won't be enabled until we add that to smb.conf.
Adapted from the work of Guenther Deschner (gd@suse.com).
Please hammer on this...
(This used to be commit a26fa5bee2)
- Make winbindd try to use kerberos for connections to DCs, so that it can
access RA=2 servers, particularly for netlogon.
- Make rpcclient follow the new flags for the NETLOGON pipe
- Make all the code that uses schannel use the centralised functions for doing so.
Andrew Bartlett
(This used to be commit 96b4187963)
Currently I'm compiling against MIT Kerberos 1.2.8.
Anthony, you said you have a heimdal installation available. Could you
please compile this stuff with krb and check it with valgrind?
Thanks,
Volker
(This used to be commit d8ab446859)
* use DsEnumerateDomainTrusts() instead of LDAP search.
wbinfo -m now lists all trusted downlevel domains and
all domains in the forest.
Thnigs to do:
o Look at Krb5 connection trusted domains
o make sure to initial the trusted domain cache as soon
as possible
(This used to be commit 0ab00ccaed)
it's a different rc than KRB5_BAD_ENCTYPE (which exists on both MIT and
Heimdal). This will just make the debug show up at level 3 always.
Jeremy, you may want to revisit this, but it's probably not worth the hassle.
(This used to be commit 4ff322ccf9)
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)
published printers.
At the moment we don't search using any parameters but this can be
fixed by changing the LDAP search string. Also we should contact
the global catalog at SRV _gc._tcp instead of the ldap server we
get back from ads_startup().
(This used to be commit 814519c5de)
*) 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)
* move back to qsort() for sorting IP address in get_dc_list()
* remove dc_name_cache in cm_get_dc_name() since it slowed
things down more than it helped. I've made a note of where
to add in the negative connection cache in the ads code.
Will come back to that.
* fix rpcclient to use PRINTER_ALL_ACCESS for set printer (instead
of MAX_ALLOWED)
* only enumerate domain local groups in our domain
* simplify ldap search for seqnum in winbindd's rpc backend
(This used to be commit f8cab8635b)
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)
This allows us to join as a BDC, without appearing on the network as one
until we have the database replicated, and the admin changes the configuration.
This also change the SID retreval order from secrets.tdb, so we no longer
require a 'net rpc getsid' - the sid fetch during the domain join is sufficient.
Also minor fixes to 'net'.
Andrew Bartlett
(This used to be commit 876e00fd11)
I haven't seen the rid+attr arrays for group membership, nor sids or the same
kind of arrays for resource domains, so I don't know how that will work.
Also, the PAC info type 10 is now decoded, but I don't know what it's for.
It has an NTTIME, a 16-bit name length, and a username. According to M$,
it's not needed, because they didn't doc it...
(This used to be commit 28ab8504cf)
have some of the labels 'duplicated' (ie, the defines double-up).
Also, to an ads_connect() to try and find our KDC. (So we don't segfualt
*every* time)
Andrew Bartlett
(This used to be commit 56dce7ddad)
- new kerberos code, allowing the account to change it's own password
without special SD settings required
- NTLMSSP client code, now seperated from cliconnect.c
- NTLMv2 client code
- SMB signing fixes
Andrew Bartlett
(This used to be commit 837680ca51)
inline the call to prs_copy_all_data_out() so that we can know we are not
overrunning our buffer.
Also check more return values.
Andrew Bartlett
(This used to be commit e3b73d5d65)
- Provide generic functions for
- get valid encryption types
- free encryption types
- Add encryption type parm to generic function create_kerberos_key_from_string()
- Try to merge the two versions (between HEAD and SAMBA_3_0) of kerberos_verify.c
I think this should work for both MIT and heimdal, in HEAD. If all goes smooth,
I'll move it over to 3.0 soon...
(This used to be commit 45e409fc8d)
users w/o full administrative access on computer accounts to join a
computer into AD domain.
The patch and detailed changelog is available at:
http://www.itcollege.ee/~aandreim/samba
This is a list of changes in general:
1. When creating machine account do not fail if SD cannot be changed.
setting SD is not mandatory and join will work perfectly without it.
2. Implement KPASSWD CHANGEPW protocol for changing trust password so
machine account does not need to have reset password right for itself.
3. Command line utilities no longer interfere with user's existing
kerberos ticket cache.
4. Command line utilities can do kerberos authentication even if
username is specified (-U). Initial TGT will be requested in this case.
I've modified the patch to share the kinit code, rather than copying it,
and updated it to current CVS. The other change included in the original patch
(local realms) has been left out for now.
Andrew Bartlett
(This used to be commit ce52f1c2ed)
* removed unused variable from rpcclient code
* added container option to net command (patch from SuSE)
* Makefile patch for examples/VFS from SuSE
(This used to be commit 25a9681ddd)
This patch makes Samba compile cleanly with -Wwrite-strings.
- That is, all string literals are marked as 'const'. These strings are
always read only, this just marks them as such for passing to other functions.
What is most supprising is that I didn't need to change more than a few lines of code (all
in 'net', which got a small cleanup of net.h and extern variables). The rest
is just adding a lot of 'const'.
As far as I can tell, I have not added any new warnings - apart from making all
of tdbutil.c's function const (so they warn for adding that const string to
struct).
Andrew Bartlett
(This used to be commit 92a777d0ea)
- Add published attribute to info2, needed for win clients to work properly
- Return proper info on getprinter 7
This means you can now look at the sharing tab of a printer and get correct
info about whether it is published or not, and change it.
(This used to be commit d57bddc9b2)
- Add published attribute to info2, needed for win clients to work properly
- Return proper info on getprinter 7
This means you can now look at the sharing tab of a printer and get correct
info about whether it is published or not, and change it.
(This used to be commit adda04379e)
90% fix for CR 1076. The password server parameter will no take things
like
password server = DC1 *
which means to contact DC1 first and the go to auto lookup if it
fails.
jerry
(This used to be commit 016ef8b36b)
90% fix for CR 1076. The password server parameter will no take things
like
password server = DC1 *
which means to contact DC1 first and the go to auto lookup if it
fails.
jerry
(This used to be commit c31a17889e)
net ads printer publish <printername> [servername]
Will retreive the DsSpooler and DsDriver info by rpc for a remote server
then publish it.
Next comes doing it within smbd
(This used to be commit 8f047a4492)
net ads printer publish <printername> [servername]
Will retreive the DsSpooler and DsDriver info by rpc for a remote server
then publish it.
Next comes doing it within smbd
(This used to be commit 64951938cc)
- const for PACKS() in lanman.c
- change auth to 'account before password'
- add help to net rpc {vampire,samsync}
- configure updates for sun workshop cc
- become_root() around pdb_ calls in auth_util for guest login.
Andrew Bartlett
(This used to be commit 43e90eb6e3)
GUID formatting on ads dump
Allow rc4-hmac when available
.NET likes both forms of servicePrincipalName in machine account record
(This used to be commit 89e3a3da5d)
- Fix segfaults in the 'net ads' commands when no password is provided
- Readd --with-ldapsam for 2.2 compatability. This conditionally compiles the
old options, but the actual code is available on all ldap systems.
- Fix shadow passwords (as per work with vl)
- Fix sending plaintext passwords to unicode servers (again vl)
- Add a bit of const to secrets.c functions
- Fix some spelling and grammer by vance.
- Document the -r option in smbgroupedit.
There are more changes in HEAD, I'm only merging the changes I've been involved
with.
Andrew Bartlett
(This used to be commit 83973c3893)
This module, primarilly the work of "Stefan (metze) Metzmacher"
<metze@metzemix.de>, uses the Active Directory schema to store the
user/group/other information. I've been testing it against a real AD server,
and it is intended to work with OpenLDAP as well.
I've moved a few functions around in our other libads code, which has made it
easier to tap into that existing code.
Also, I've made some changes to the SAM interface, I hope there are not too
many objections... To ensure we don't get silly bugs in the skel module, it
is now in the default compile. This way you should not forget to update it :-)
Andrew Bartlett
(This used to be commit 24fb0cde2f)
to extend the ADS_STATUS system to include NTSTATUS, and to provide a better
general infrustructure for his sam_ads work.
I've also added some extra failure mode DEBUG()s to parts of the code.
NOTE: The ADS_ERR_OK() macro is rather sensitive to braketing issues - without
the final set of brakets, the test is essentially inverted - causing some
intersting 'error = success' messages...
Andrew Bartlett
(This used to be commit 5b9a7ab901)
we now do this:
- look for suported SASL mechanisms on the LDAP server
- choose GSS-SPNEGO if possible
- within GSS-SPNEGO choose KRB5 if we can do a kinit
- otherwise use NTLMSSP
This change also means that we no longer rely on having a gssapi
library to do ADS.
todo:
- add TLS/SSL support over LDAP
- change to using LDAP/SSL for password change in ADS
(This used to be commit b04e91f660)
setups.
- split up the ads structure into logical pieces. This makes it much
easier to keep things like the authentication realm and the server
realm separate (they can be different).
- allow ads callers to specify that no sasl bind should be performed
(used by "net ads info" for example)
- fix an error with handing ADS_ERROR_SYSTEM() when errno is 0
- completely rewrote the code for finding the LDAP server. Now try DNS
methods first, and try all DNS servers returned from the SRV DNS
query, sorted by closeness to our interfaces (using the same sort code
as we use in replies from WINS servers). This allows us to cope with
ADS DCs that are down, and ensures we don't pick one that is on the
other side of the country unless absolutely necessary.
- recognise dnsRecords as binary when displaying them
- cope with the realm not being configured in smb.conf (work it out
from the LDAP server)
- look at the trustDirection when looking up trusted domains and don't
include trusts that trust our domains but we don't trust
theirs.
- use LDAP to query the alternate (netbios) name for a realm, and make
sure that both and long and short forms of the name are accepted by
winbindd. Use the short form by default for listing users/groups.
- rescan the list of trusted domains every 5 minutes in case new trust
relationships are added while winbindd is running
- include transient trust relationships (ie. C trusts B, B trusts A,
so C trusts A) in winbindd.
- don't do a gratuituous node status lookup when finding an ADS DC (we
don't need it and it could fail)
- remove unused sid_to_distinguished_name function
- make sure we find the allternate name of our primary domain when
operating with a netbiosless ADS DC (using LDAP to do the lookup)
- fixed the rpc trusted domain enumeration to support up to approx
2000 trusted domains (the old limit was 3)
- use the IP for the remote_machine (%m) macro when the client doesn't
supply us with a name via a netbios session request (eg. port 445)
- if the client uses SPNEGO then use the machine name from the SPNEGO
auth packet for remote_machine (%m) macro
- add new 'net ads workgroup' command to find the netbios workgroup
name for a realm
(This used to be commit e358d7b24c)
(and yes, some of these are real bugs)
In particular, the samr code was doing an &foo of various types, to a function
that assumed uint32. If time_t isn't 32 bits long, that broke.
They are assignment compatible however, so use that and an intermediate
variable.
Andrew Bartlett
(This used to be commit 30d0998c8c)
membership from an ADS server. We now use a 'member' query on the
group and do a separate call to convert the resulting distinguished
name to a name, rid etc. This is *much* faster for very large numbers
of groups (on a quantum test system with 10000 groups it drops the
time from an hour to about 35 seconds).
strangely enough, this actually *increases* the amount of ldap
traffic, its just that the MS LDAP server answers these queries much
faster.
(This used to be commit 5538048e4f)
Also remove unused line which incremented pointer by the wrong length anyway.
Provided by Anthony Liguori (aliguori@us.ibm.com).
(This used to be commit 47b7a3e0f3)
Now smbclient, net, and swat use their own proto files - now the global
proto.h
The change to libads/kerberos.c was to break up the dependency on secrets.c -
we want to be able to write an ADS client that doesn't need local secrets.
I have other breakups in the works - I will remove the dependency of
rpc_parse on passdb (and therefore secrets.c) shortly.
(NOTE: This patch does *not* break up includes.h, or other such forbidden
actions).
Andrew Bartlett
(This used to be commit edb41dad2d)
though it is up to the calling function to decide whether values are
strings or not. Attributes are not converted at this point, though support
for it would be simple.
I have tested it with users and groups using non-ascii chars, and if the
check for alphanumeric user/domain names is removed form sesssetup.c, even
a user with accented chars can connect, or even login (via winbind).
I have also simplified the interfaces to ads_mod_*, though we will probably
want to expand this by a few functions in the near future. We just had
too many ways to do the same thing...
(This used to be commit f924cb5358)
- Add doxygen comments
- remove server sort control (ms implementation was not reliable)
- rename ads_do_search_all2() to ads_do_search_all_fn()
(This used to be commit 7aa5fa6172)
- Added sort control to ads_do_paged_search. It allows a char * to be passed
as the sort key. If NULL, no sort is done.
- fixed a bug in the processing of controls (loop wasn't incremented properly)
- Added ads_do_search_all2, which funs a function that is passed in against
each entry. No ldapmessage structures are returned. Allows results to
be processed as the come in on each page.
I'd like ads_do_search_all2 to replace ads_do_search_all, but there's some
work to be done in winbindd_ads.c first.
Also, perhaps now we can do async ldap searches? Allow us to process a
page while the server retrieves the next one?
(This used to be commit 95bec4c8ba)
entry returned from a search, and applies it to the results. Re-structured
ads_dump to use this, plus changed the ber_free in ads_dump from (b,1) to
(b,0), in accordance with openldap manpages. Also allows proper free of
result using ldap_msgfree afterwards, so you can do something with the
results after an ads_dump.
(This used to be commit f01f02fc56)
the scope limited to the domain at hand, and also keeps the openldap
libs happy, since they don't currently chase referrals and return
server controls properly at the same time.
(This used to be commit 2bebc8a391)
the problem is, how the heck do we properly handle these? Jerry?
It seems that the Win2000 ADS server only returns a max of 1000 records!
(This used to be commit 9338964720)
<a.kotovich@sam-solutions.net> that adds the security decsriptor code
for ADS workstation accounts
thanks for your patience Cat, and thanks to Andrew Bartlett for
extensive reviews and suggestions about this code.
(This used to be commit 6891393b5d)
get trusted domains query but leave the domain SID blank - we need to
fail the add of the trusted domain in winbindd in that case
(This used to be commit 24c7e7a384)
This fixes up a problem where a machine would join (or downgrade by trust
password change) to NT4 membership and not be able to regain full ADS
membership until a 'net ads leave'.
Andrew Bartlett
(This used to be commit ab8ff85f03)
We now include the libber.h file if required, but currently we just don't use
ldap. (I'll chase this up).
In the meantime, I've moved the ads_status code about, its now in its own file,
and has a couple of #ifdefs to allow smbd to link - becouse the lack of LDAP
caused HAVE_ADS to be undefined. (I hope its not too ugly).
Andrew Bartlett
(This used to be commit 14407c87e2)
winbindd can do a kinit
this will be removed once we have code that gets a tgt
and puts it in a place where cyrus-sasl can see it
(This used to be commit 7d94f1b736)
This allows us to use automagically obtained values in future, and the value
from krb5.conf now.
Also fix mem leaks etc.
Andrew Bartlett
(This used to be commit 8f9ce71781)
