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>Initialise user_rid value in WINBIND_USERINFO structure returned by
>the rpc version of query_user(). This fixes a caching bug found by
>Gavrie Philipson from disksite.
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only this file, and not any others. It includes the function prototypes.
(Forgot to commit with earlier patch)
Andrew Bartlett
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The global winbind file descriptor can cause havoc in some situations -
particulary when it becomes 0, 1 or 2. This patch (based on some very nice
work by Hannes Schmidt <mail@schmidt-net.via.t-online.de>) starts to recitfy
the problem by ensuring that the close-on-exec flag is set, and that we move
above 3 in the file descriptor table.
I've also decided that the PAM module can close it's pipe handle on every
request - this isn't performance-critical code.
The next step is to do the same for nss_winbind. (But things like getent()
might get in our way there).
This also cleans up some function prototypes, puts them in just one place.
Andrew Bartlett
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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
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changed cli_nt_setup_creds() to call cli_net_auth_2 or cli_net_auth_3 based on a switch.
pass also the negociation flags all the way.
all the places calling cli_nt_setup_creds() are still using cli_net_aut2(), it's just for future use and for rpcclient.
in the future we will be able to call auth_2 or auth_3 as we want.
J.F.
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can be used to find a BDC
2nd try ....
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can be used to find a BDC
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happen when the LDAP call to get the flatname for the primary domain
fails)
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actually work. Also, the idea of 'loopback winbind' isn't that bad an idea
anyway (potential PDC/BDC applications).
Given all that, remove it...
Andrew Bartlett
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Tridge suggested a generic caching mechanism for Samba to avoid the
proliferation of little cache files hanging around limpet like in the
locks directory. Someone should probably implement this at some
stage.
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This also makes it a easier to see which paramaters are 'in', and which are
'out'.
Andrew Bartlett
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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
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This updates the 'winbind' authentication module and winbind's 'PAM' (actually
netlogon) code to allow smbd to cache connections to the DC.
This is particulary relevent when we need mutex locks already - there is no
parallelism to be gained anyway.
The winbind code authenticates the user, and if successful, passes back the
'info3' struct describing the user. smbd then interprets that in exactly the
same way as an 'ntdomain' logon.
Also, add parinoia to winbind about null termination.
Andrew Bartlett
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code.
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permanently down. Found by Dan Coppock.
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Andrew Bartlett
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as they're no longer new!
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This was a mixup between the enum type NSS_STATUS and a BOOL (extra test for
equality).
Andrew Bartlett
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distinction between uchar and char).
Lots of const etc.
Andrew Bartlett
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enumeration I realised it could be a security hole for setuid progs.
This adds a proper nss function instead.
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a getgr*() function that lists groups without numerating all the
group members. Instead of definiing a new nss method (which might
cause problems) I added an environment variable WINBIND_GETGRLST
that tells winbind not to fill in the group members in a gergrent()
request. This can speed up group listing by a factor of 20 or more
(on my test system with 50000 groups it reduces the time from an hour
to 2 minutes)
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previously. Fix that.
Andrew Bartlett
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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.
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Andrew Bartlett
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code
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We now cope wiith multiple WINS groups and multiple failover servers
for release and refresh as well as registration. We also do the regitrations
in the same fashion as W2K does, where we don't try to register the next
IP in the list for a name until the WINS server has acked the previos IP.
This prevents us flooding the WINS server and also seems to make for much
more reliable multi-homed registration.
I also changed the dead WINS server code to mark pairs of IPs dead,
not individual IPs. The idea is that a WINS server might be dead from
the point of view of one of our interfaces, but not another, so we
need to keep talking to it on one while moving onto a failover WINS
server on the other interface. This copes much better with partial
LAN outages and weird routing tables.
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accept an extended syntax for 'wins server' like this:
wins server = group1:192.168.2.10 group2:192.168.3.99 group1:192.168.0.1
The tags before the IPs don't mean anything, they are just a way of
grouping IPs together. If you use the old syntax (ie. no ':') then
an implicit group name of '*' is used. In general I'd recommend people
use interface names for the group names, but it doesn't matter much.
When we register in nmbd we try to register all our IPs with each group
of WINS servers. We keep trying until all of them are registered with
every group, falling back to the failover WINS servers for each group
as we go.
When we do a WINS lookup we try each of the WINS servers for each group.
If a WINS server for a group gives a negative answer then we give up
on that group and move to the next group. If it times out then
we move to the next failover wins server in the group.
In either case, if a WINS server doesn't respond then we mark it dead
for 10 minutes, to prevent lengthy waits for dead servers.
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few more places to use it.
Andrew Bartlett
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Andrew Bartlett
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Jeremy.
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to using SIDs instead of RIDs.
The new funciton sid_peek_check_rid() takes an 'expected domain sid' argument.
The idea here is to prevent mistakes where the SID is implict, but isn't
the same one that we have in the struct.
Andrew Bartlett
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