RE: Authenticating off a Windows 2003 ADS DC with Samba/Winbind[Scanned]

[David McCormack]

I'm not a fan of posting 'me too' messages but in this case I'm having _exactly_ the same errors.

Hopefully this post will add to the information on this problem. Looking in /var/log/samba/winbind.log I also get the error;

[2004/11/16 19:55:23, 1] libsmb/clikrb5.c:ads_krb5_mk_req(323)
    	  krb5_cc_get_principal failed (No credentials cache found)
    	[2004/11/16 19:55:23, 0] libads/kerberos.c:ads_kinit_password(136)
    	  kerberos_kinit_password host/[e-mail]   failed: Client not found in Kerberos database
    	[2004/11/16 19:55:23, 1] nsswitch/winbindd_ads.c:ads_cached_connection(81)
    	  ads_connect for domain PROFITMASTER failed: Client not found in Kerberos database

In nmbd.log is;

[2004/11/16 20:03:48, 0] nmbd/nmbd_browsesync.c:find_domain_master_name_query_fail(353)
    	  find_domain_master_name_query_fail:
    	  Unable to find the Domain Master Browser name PROFTIMASTER<1b> for the workgroup PROFTIMASTER.
    	  Unable to sync browse lists in this workgroup.

I was able to get past the wbinfo -t problem by using 'net join -S <AD server> -U administrator%<password>'. It now reports 'checking the trust secret via RPC calls succeeded'

The server that I'm connecting to is a Windows SBS 2003 machine that I've disabled the SMB signing on.

I've also tried reloading the workstation with FC3 and got the same errors  libads/ldap.c:ads_join_realm(1640) ads_add_machine_acct (<machinename>): Type or value exists so I guessing that something is up with AD.

I my case I'm using a dual boot machine that also has Windows XP Professional installed - I've not had chance to test a standalone FC3 machine.

David McCormack

________________________________

From: [e-mail] on behalf of [e-mail]
Sent: Tue 16/11/2004 18:00
To: [e-mail]
Subject: RE: Authenticating off a Windows 2003 ADS DC with Samba/Winbind[Scanned]

Ok guys, at least I know that it does work for other people.

Here's the network configuration: 
- Windows 2003 Server gx270-rmaniar [192.168.0.100] 
- Fedora Core 3 gx280rmaniarFC3 [192.168.0.5]

FYI: A Windows XP box correctly connects to the DC OK.

**********************

Here's what I've done: 
- removed the Active Directory service from the W2K3 box and started 
from scratch again. 
- configured /etc/krb5.conf 
- timesynced both the Linux and Windows boxes 
- Used kinit [e-mail] to login, all OK. 
- Can login to smb share using smbclient -k //gx270-rmaniar/C$ so 
kerberos ticket is ok. 
- configured winbind/smb.conf using the Authentication applet. 
- smb/winbind are started ok.

********************** 
Here's the problem: 
[root@gx280rmaniarFC3 samba]# net ads join -S gx270-rmaniar -U 
Administrator 
Administrator's password: 
[2004/11/16 17:35:12, 0] libads/ldap.c:ads_join_realm(1640) 
  ads_add_machine_acct (gx280rmaniarfc3): Type or value exists 
ads_join_realm: Type or value exists

So it says it exists already, despite the fact that its not shown in the 
'Computers' list in AD.

Tried it again, and got: 
[root@gx280rmaniarFC3 pam.d]# net ads join -S gx270-rmaniar -U 
Administrator 
Administrator's password: 
[2004/11/16 17:51:26, 0] libads/ldap.c:ads_add_machine_acct(1297) 
  ads_add_machine_acct: Host account for gx280rmaniarfc3 already exists 
- modifying old account 
[2004/11/16 17:51:26, 0] libads/ldap.c:ads_join_realm(1640) 
  ads_add_machine_acct (gx280rmaniarfc3): Type or value exists 
ads_join_realm: Type or value exists

The computer now appears in the "Computers" list on the Windows server.

[root@gx280rmaniarFC3 samba]# wbinfo -t 
checking the trust secret via RPC calls failed 
error code was NT_STATUS_INTERNAL_ERROR (0xc00000e5) 
Could not check secret

********************** 
Here's the relevant info from smb.conf: 
   workgroup = TEST.COM 
   security = ads 
   password server = 192.168.0.100 
   realm = TEST.COM 
   idmap uid = 16777216-33554431 
   idmap gid = 16777216-33554431 
   template shell = /bin/bash 
   winbind use default domain = no

And someone asked for authconfig --test --kickstart: 
caching is disabled 
nss_files is always enabled 
nss_compat is disabled 
nss_db is disabled 
nss_hesiod is disabled 
 hesiod LHS = "" 
 hesiod RHS = "" 
nss_ldap is disabled 
 LDAP+TLS is disabled 
 LDAP server = "127.0.0.1" 
 LDAP base DN = "dc=example,dc=com" 
nss_nis is disabled 
 NIS server = "" 
 NIS domain = "" 
nss_nisplus is disabled 
nss_winbind is enabled 
 SMB workgroup = "TEST.COM" 
 SMB servers = "192.168.0.100" 
 SMB security = "ads" 
 SMB realm = "TEST.COM" 
 Winbind template shell = "/bin/bash" 
 SMB idmap uid = "16777216-33554431" 
 SMB idmap gid = "16777216-33554431" 
nss_wins is disabled 
pam_unix is always enabled 
 shadow passwords are enabled 
 md5 passwords are enabled 
pam_krb5 is disabled 
 krb5 realm = "TEST.COM" 
 krb5 realm via dns is disabled 
 krb5 kdc = "192.168.0.100:88,192.168.0.100" 
 krb5 kdc via dns is disabled 
 krb5 admin server = "" 
pam_ldap is disabled 
 LDAP+TLS is disabled 
 LDAP server = "127.0.0.1" 
 LDAP base DN = "dc=example,dc=com" 
pam_smb_auth is disabled 
 SMB workgroup = "TEST.COM" 
 SMB servers = "192.168.0.100" 
pam_winbind is enabled 
 SMB workgroup = "TEST.COM" 
 SMB servers = "192.168.0.100" 
 SMB security = "ads" 
 SMB realm = "TEST.COM" 
pam_cracklib is enabled (retry=3) 
pam_passwdqc is disabled ()

So there you have it. I've googled for the problem with no luck. Any 
ideas?

Thanks, 
Rafiq