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Date: Tue, 21 Jul 2009 10:37:20 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: [1.7] login ignores /etc/passwd in first invokation
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On Jul 20 23:54, Wolfgang Goetz wrote:
> Hi,
> 
> first shell: wrong ids, wrong homedirectory
> all other shells (don't close the first): all OK.

I can't reproduce this problem.

> steps to reproduce for 1.7:
> 
> 1) have valid /etc/passwd for a non-standard homedirectory
> using mkgroup/mkpasswd -l -d ...
> 
> wg:unused:129529:10513:Goetz
> Wolfgang,U-EMEA\wg,S-1-5-21-2053067395-845162621-1245804459-119529:/cygdrive/d/home/wg:/bin/bash

Per your cygcheck output the USERDOMAIN is AD1, but the passwd
entry shows U-EMEA\wg.  How does that happen?

> 2) no cygwin processes running.
> 
> 3) start a shell.
> 
> (profiles's mkpasswd-warning appears)
> 
> uid=400(wg) gid=401(mkpasswd) Gruppen=544(Administrators),547(Power
> Users),545(Users),204562(groupa),401(mkpasswd)

Are you sure /etc/passwd is really correct?

> but cygcheck -srv is reporting the correct ids.
> 
> /etc/passwd (new homedirectory) is ignored
> HOSTNAME missing.

What do you mean by "HOSTNAME missing"?  The environment variable?

> here the diff valid for all further shells:
> 
> diff cygcheck-17-first-srv.log cygcheck-17-srv.log
> 3c3
> < Current System Time: Mon Jul 20 16:54:24 2009
> ---
> > Current System Time: Mon Jul 20 16:54:47 2009
> 38,39c38,39
> < PWD = '/home/wg'
> < HOME = '/home/wg'
> ---
> > PWD = '/cygdrive/d/home/wg'
> > HOME = '/cygdrive/d/home/wg'
> 43a44
> > HOSTNAME = 'wg'

So your hostname is the same as the username?  Hmm.  I wonder if that's
the problem.  Back in NT4 days it was no problem to create a local
username identical to the hostname but it goes all trouble.  That's why
this is disallowed in Windows 2000 and later, which just refuse to
create such a username.  Of course Windows can't do the same check for
domain accounts.

[...time passes...]

Hmm, no.  I created a domain account using the same username as the name
of one of my XP client machines.  Then I logged in to that machine using
the new account and started the first Cygwin shell:

==== SNIP ====
Copying skeleton files.
These files are for the user to personalise their cygwin experience.

They will never be overwritten nor automatically updated.


cathi AT cathi ~
$ id
uid=11136(cathi) gid=10513(DomUsers) groups=0(root),544(Administrators),545(Users),10572(Denied RODC Password Replication Group),10513(DomUsers)

cathi AT cathi ~
$ echo $HOSTNAME
cathi

cathi AT cathi ~
$ ps -e
      PID    PPID    PGID     WINPID  TTY  UID    STIME COMMAND
      452       1     452        452    0 11136 10:30:38 /usr/bin/bash
      708     452     708       3904    0 11136 10:30:55 /usr/bin/ps

cathi AT cathi ~
$
==== SNAP ====

I have no idea why this happens for you.  Some debugging will be necessary.
Starting the first bash from strace might give a clue.


Corinna

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

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