topic Re: su newuser password in shell script in Operating System - HP-UX

su newuser password in shell script

Richard Marshall — Fri, 28 Sep 2001 16:56:11 GMT

How do I supply the newuser password when I do a
su - newuser in my shell script.

The script is started under my username and I want to su to the application user account within my shell script but I'm not sure how to input the newuser password.
Thanks

Re: su newuser password in shell script

James R. Ferguson — Fri, 28 Sep 2001 17:02:17 GMT

Hi Richard:

This isn't possible in pure shell script. The 'su' expects to offer you an interactive query for the password.

Regards!

...JRF...

Re: su newuser password in shell script

Edward Alfert_2 — Fri, 28 Sep 2001 17:04:17 GMT

Can't be done... only if you are currently root does it not as you for password

http://forums.itrc.hp.com/cm/QuestionAnswer/1,1150,0x9fd0f841489fd4118fef0090279cd0f9,00.html

Re: su newuser password in shell script

Deshpande Prashant — Fri, 28 Sep 2001 18:11:54 GMT

Hi
Su being interactive, noluck for normal user to login in to another users.
Try some suid programs instead.

If you are suing to app id to run app. programs only, why not set suid on that program.

Prashant.

Re: su newuser password in shell script

Volker Borowski — Sat, 29 Sep 2001 10:25:14 GMT

Richard,

I do not think this is possible with "su".

Try rexec, remsh or rlogin "localhost" !

There are several ways to authenticate without a password for these programs. I favor rexec with a .netrc file for this.

Keep in mind, that you might need to call a script, that sources the profiles/loginscripts first, because rexec and remsh do not do this.

Hope this helps
Volker

Re: su newuser password in shell script

G. Vrijhoeven — Sat, 29 Sep 2001 10:59:42 GMT

MP,

you might want to try working with a simular GID. I suppose that is what there are intended for. If you have problems whith env. settings you can add the env in the script you are runnen. If thats not possible i suggest an r.... command.

Good luck

Gideon

Re: su newuser password in shell script

Wodisch — Sat, 29 Sep 2001 21:15:58 GMT

Hello Richard,

get yourself a copy of "expect" installed.
Then you can issue that password through "expect".
That's the only (simple) way I can think of (at 00:17h
at night ;-).

HTH,
Wodisch