system account files mystery

[dsacks]

Hi,

I've used cygwin before, but for the first time I did mkpasswd and mkgroup and got it so that when go to a cygwin prompt, my id actually shows as my windows username and I end up in /home/myusername. Woohoo.

wait, if I try to vi /etc/sshd_config now I cannot write it, because it is owned by SYSTEM and has restrictive rights.

How do I edit system files now? I don't really grok the permission world in cygwin and how unixy permissions and users map to windows.

Another thing worth mentioning, I am running windows xp sp2 and it is part of a domain. I am a domain user. I am also a member of Administrators on the computer.

Help?

[Andrew Louie]

dsacks <dennis <at> calico-consulting.com> writes:

>

>
> wait, if I try to vi /etc/sshd_config now I cannot write it, because it is
> owned by SYSTEM and has restrictive rights.
>
> How do I edit system files now? I don't really grok the permission world in
> cygwin and how unixy permissions and users map to windows.

Did you try chown your_user_id /etc/sshd_config ? to change the ownership to you
so you can edit it?







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[dsacks]

fyi, this is all about trying to get sshd to accept incoming connections. I want to use winscp into my xp box to move files.

I am very confused about what password sshd would use - does it use windows authentication or does it expect to find passwords in /etc/passwd? Can I choose?

Thanks!!

dsacks wrote:

Hi,

I've used cygwin before, but for the first time I did mkpasswd and mkgroup and got it so that when go to a cygwin prompt, my id actually shows as my windows username and I end up in /home/myusername. Woohoo.

wait, if I try to vi /etc/sshd_config now I cannot write it, because it is owned by SYSTEM and has restrictive rights.

How do I edit system files now? I don't really grok the permission world in cygwin and how unixy permissions and users map to windows.

Another thing worth mentioning, I am running windows xp sp2 and it is part of a domain. I am a domain user. I am also a member of Administrators on the computer.

Help?

[dsacks]

No, that didn't occur to me - and it seems to work. How does the permission system work?!

Thank you very much for the info.

Dennis

Andrew Louie wrote:

dsacks <dennis <at> calico-consulting.com> writes:

>

>
> wait, if I try to vi /etc/sshd_config now I cannot write it, because it is
> owned by SYSTEM and has restrictive rights.
>
> How do I edit system files now? I don't really grok the permission world in
> cygwin and how unixy permissions and users map to windows.

Did you try chown your_user_id /etc/sshd_config ? to change the ownership to you
so you can edit it?







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[Larry Hall (Cygwin)]

dsacks wrote:
> fyi, this is all about trying to get sshd to accept incoming connections. I
> want to use winscp into my xp box to move files.
>
> I am very confused about what password sshd would use - does it use windows
> authentication or does it expect to find passwords in /etc/passwd? Can I
> choose?
>

Password authentication is done through Windows.  Passwords on all NT-based
platforms come from Windows.

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[Larry Hall (Cygwin)]

dsacks wrote:
> No, that didn't occur to me - and it seems to work. How does the permission
> system work?!


<http://cygwin.com/cygwin-ug-net/ntsec.html>



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[dsacks]

Okay, hmmmm. So what is the secret to geting sshd working? It is running, but when I try to ssh in, it doesn't accept my domain password. Does it work with domain users or is there something special I need to do for that to happen?

D

Larry Hall (Cygwin) wrote:

dsacks wrote:
> fyi, this is all about trying to get sshd to accept incoming connections. I
> want to use winscp into my xp box to move files.
>
> I am very confused about what password sshd would use - does it use windows
> authentication or does it expect to find passwords in /etc/passwd? Can I
> choose?
>

Password authentication is done through Windows.  Passwords on all NT-based
platforms come from Windows.

--
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      [phone] - RFK Office
216 Dalton Rd.                          [phone] - FAX
Holliston, MA 01746

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[Igor Peshansky]

Ugh, top-posting...  Reformatted.

On Sat, 2 Dec 2006, dsacks wrote:

> Larry Hall (Cygwin) wrote:
> >
> > dsacks wrote:
> >> fyi, this is all about trying to get sshd to accept incoming
> >> connections. I want to use winscp into my xp box to move files.
> >>
> >> I am very confused about what password sshd would use - does it use
> >> windows authentication or does it expect to find passwords in
> >> /etc/passwd? Can I choose?
> >
> > Password authentication is done through Windows.  Passwords on all
> > NT-based platforms come from Windows.
>
> Okay, hmmmm. So what is the secret to geting sshd working? It is
> running, but when I try to ssh in, it doesn't accept my domain password.
> Does it work with domain users or is there something special I need to
> do for that to happen?

I think Larry's answer was a bit too literal.  Yes, passwords come from
Windows, but for Cygwin to be able to get Windows to authenticate a given
user, that user (or, rather, that user's SID) has to be in /etc/passwd.
Now, domain users aren't added to /etc/passwd by default.  Read the
documentation on mkpasswd to find out how to add your domain users to
/etc/passwd.
        Igor
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