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Date: Mon, 16 Jun 2008 23:13:53 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: CSIH patch (Re: Unable to run sshd under a domain sshd_server 	account [SOLVED])
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Oh, btw., Charles, that's one for you.

On Jun 16 23:01, Corinna Vinschen wrote:
> On May 13 11:09, Schutter, Thomas A. wrote:
> > Except that is not what I am seeing.  When I run "id" from a console
> > cygwin shell:
> >   $ id
> >   uid=18718(tschutter) gid=10513(Domain Users)
> > groups=544(Administrators),545(Users),10513(Domain
> > Users),18169(FDSV-GG-PrxBLD),22611(FDSV-GG-PrxPCAdmins)
> > 
> > But when I run "id" from a ssh shell:
> >   $ id
> >   uid=18718(tschutter) gid=10513(Domain Users)
> > groups=545(Users),10513(Domain Users)
> > 
> > So when I am using pubkey authentication, the user token is not a member
> > of the "Administrators", "FDSV-GG-PrxBLD", or "FDSV-GG-PrxPCAdmins"
> > groups.
> 
> Dunno if you fixed this problem in the meantime?  I tested this myself
> and debugged this situation.  It turned out (in *my* local scenario),
> the the PDC refused to list the groups the user is member of:
> 
>   $ id
>   uid=11001(corinna) gid=10513(DomUsers) groups=545(Users),10513(DomUsers)
> 
> The problem was that the domain sshd_server account has no right to
> access the domain controller from the network.  Solution: Open the Local
> Security Policy of the DC and look for the User Right "Deny access to
> this computer from the network".  You'll find your sshd_server user in
> there.  Remove it from this user right.  Try again:

This user right shouldn't be set anymore in the
csih/cygwin-service-installation-helper.sh script.  Patch follows:

	* Don't disallow network logon for service user account.

--- cygwin-service-installation-helper.sh.ORIG	2008-06-16 23:07:36.017432500 +0200
+++ cygwin-service-installation-helper.sh	2008-06-16 23:07:50.842305100 +0200
@@ -1640,7 +1640,6 @@ csih_account_has_necessary_privileges() 
           editrights -l -u "${user}" | fgrep SeCreateTokenPrivilege            >/dev/null 2>&1 &&
           editrights -l -u "${user}" | fgrep SeTcbPrivilege                    >/dev/null 2>&1 &&
           editrights -l -u "${user}" | fgrep SeDenyInteractiveLogonRight       >/dev/null 2>&1 &&
-          editrights -l -u "${user}" | fgrep SeDenyNetworkLogonRight           >/dev/null 2>&1 &&
           editrights -l -u "${user}" | fgrep SeDenyRemoteInteractiveLogonRight >/dev/null 2>&1 &&
           editrights -l -u "${user}" | fgrep SeIncreaseQuotaPrivilege          >/dev/null 2>&1 &&
           editrights -l -u "${user}" | fgrep SeServiceLogonRight               >/dev/null 2>&1


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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