Re: Active Directory PW sync works for console but not user initiated PW changes

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On Tue, 2009-04-28 at 08:05 -0600, Rich Megginson wrote:
> John A. Sullivan III wrote:
> > On Mon, 2009-04-27 at 21:17 -0400, John A. Sullivan III wrote:
> >   
> >> On Mon, 2009-04-27 at 19:07 -0600, Rich Megginson wrote:
> >>     
> >>> John A. Sullivan III wrote:
> >>>       
> >>>> Hello, all.  This is a sequel to the last email on this subject now that
> >>>> we've resolved the shadowLastChange problem.  Fixing that problem did
> >>>> not fix the DS 8.0 / AD password synchronization problem.  To reiterate,
> >>>> the passwords synchronize if the change is made from idm-console or from
> >>>> AD.  But they do not change when our Ubuntu/KDE users change their own
> >>>> passwords.  It fails when changed from both the KDE password change
> >>>> interface and using passwd at the command line.
> >>>>   
> >>>>         
> >>> Take a look at the directory server access log - I think the change is 
> >>> being rejected before it even gets into the replication code, which is 
> >>> why the error log output below is not too helpful.
> >>>       
> >> <snip>
> >> Ah, I forgot to mention that the password change is successful in DS.
> >> It just doesn't synchronize.  Would that be the case if there was an
> >> access failure? I'll enable the access logs and give it a check - John
> >>     
> > Oops! I forgot to mention that we had enabled the access logs and
> > followed them in case the change was being made by some ID other than
> > the user but the access logs look fine as far as we can tell.  Here is
> > what we see:
> >
> > [27/Apr/2009:21:43:50 -0400] conn=359 fd=66 slot=66 connection from 172.29.32.12 to 172.30.10.48
> > [27/Apr/2009:21:43:50 -0400] conn=359 op=0 EXT oid="1.3.6.1.4.1.1466.20037" name="startTLS"
> > [27/Apr/2009:21:43:50 -0400] conn=359 op=0 RESULT err=0 tag=120 nentries=0 etime=0
> > [27/Apr/2009:21:43:50 -0400] conn=359 SSL 256-bit AES
> > [27/Apr/2009:21:43:50 -0400] conn=359 op=1 BIND dn="uid=mlap,ou=Desks,o=a0000-0010,o=Internal,dc=ssiservices,dc=biz" method=128 version=3
> > [27/Apr/2009:21:43:50 -0400] conn=359 op=1 RESULT err=0 tag=97 nentries=0 etime=0 dn="uid=mlap,ou=desks,o=a0000-0010,o=internal,dc=ssiservices,dc=b
> > [27/Apr/2009:21:43:50 -0400] conn=359 op=2 MOD dn="uid=mlap,ou=Desks,o=a0000-0010,o=Internal,dc=ssiservices,dc=biz"
> > [27/Apr/2009:21:43:50 -0400] conn=359 op=2 RESULT err=0 tag=103 nentries=0 etime=0 csn=49f65f56000000010000
> > [27/Apr/2009:21:43:50 -0400] conn=359 op=3 UNBIND
> > [27/Apr/2009:21:43:50 -0400] conn=359 op=3 fd=66 closed - U1
> > [27/Apr/2009:21:43:51 -0400] conn=360 fd=66 slot=66 connection from 172.29.32.12 to 172.30.10.48
> > [27/Apr/2009:21:43:51 -0400] conn=360 op=0 EXT oid="1.3.6.1.4.1.1466.20037" name="startTLS"
> > [27/Apr/2009:21:43:51 -0400] conn=360 op=0 RESULT err=0 tag=120 nentries=0 etime=0
> > [27/Apr/2009:21:43:51 -0400] conn=360 SSL 256-bit AES
> > [27/Apr/2009:21:43:51 -0400] conn=360 op=1 BIND dn="uid=mlap,ou=Desks,o=a0000-0010,o=Internal,dc=ssiservices,dc=biz" method=128 version=3
> > [27/Apr/2009:21:43:51 -0400] conn=360 op=1 RESULT err=0 tag=97 nentries=0 etime=0 dn="uid=mlap,ou=desks,o=a0000-0010,o=internal,dc=ssiservices,dc=b
> > [27/Apr/2009:21:43:51 -0400] conn=360 op=2 MOD dn="uid=mlap,ou=Desks,o=a0000-0010,o=Internal,dc=ssiservices,dc=biz"
> > [27/Apr/2009:21:43:51 -0400] conn=360 op=2 RESULT err=0 tag=103 nentries=0 etime=0 csn=49f65f57000000010000
> > [27/Apr/2009:21:43:51 -0400] conn=360 op=3 UNBIND
> > [27/Apr/2009:21:43:51 -0400] conn=360 op=3 fd=66 closed - U1
> >
> > I'm assuming this shows success and an entry into the Change log.  Is
> > that correct? If so, where do we look next to solve this problem? Thanks
> > - John
> >   
> I suppose you could try to enable the audit log - see what attribute it 
> is modifying, and what value.  nss_ldap/pam_ldap (e.g. the interface 
> that the passwd command uses) can be configured to store a pre-hashed 
> password which will not work with winsync.  You must have the clear text 
> password in order to sync it to AD.
<snip>
That was it.  Ubuntu defaulted to pam_password md5 in /etc/ldap.conf.  I
changed this to pam_password clear and it worked.  Am I correct to
assume this is safe as long and only as long as I am using tls to
encrypt the communication between the client and the ldap server? Thanks
- John
-- 
John A. Sullivan III
Open Source Development Corporation
+1 207-985-7880
jsullivan@xxxxxxxxxxxxxxxxxxx

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