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From: jpm@logixwi.uucp (Jan-Piet Mens @ Logix GmbH, Wiesbaden)
Newsgroups: comp.unix.wizards
Subject: Re: Password Pipe
Message-ID: <1991Mar28.093251.6547@logixwi.uucp>
Date: 28 Mar 91 09:32:51 GMT
Article-I.D.: logixwi.1991Mar28.093251.6547
References: <13766@helios.TAMU.EDU>
Reply-To: jpm@logixwi.UUCP (Jan-Piet Mens)
Organization: Logix GmbH, Wiesbaden, W-Germany
Lines: 22

In article <13766@helios.TAMU.EDU> packman@tamuts.tamu.edu (Wally Strzelec) writes:
>Howdy.... I am writing a short program that will allow me to change the
>password on a remote machine.  To do this I am trying to use popen and
>feed it the "/etc/passwd" command on the remote machine. The problem
	      ^^^^^^^^^^^

	Don't you mean "/bin/passwd" ?


>is that it seems that the passwd command doesn't accept anything that
>I send down the pipe.  Can someone please tell me where I am messing
>up.  The following is my test:

The reason why this will never work, is because "/bin/passwd" (the program)
opens /dev/tty to read the password directly from the terminal, and does
not accept the password from stdin.

Regards,
	JP
-- 
Jan-Piet Mens, Logix GmbH				    jpm@logixwi.UUCP
Moritzstr. 50, D-6200 Wiesbaden            ...!uunet!mcsun!unido!logixwi!jpm