GNU bug report logs - #16374
password not hidden in shell when mounting cifs partition

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From: Stefan Kangas <stefan <at> marxist.se>
To: Tyler Smith <tyler <at> plantarum.ca>
Cc: 16374 <at> debbugs.gnu.org
Subject: bug#16374: password not hidden in shell when mounting cifs partition
Date: Sun, 6 Oct 2019 03:40:21 +0200

Tyler Smith <tyler <at> plantarum.ca> writes:

> I'm not sure if this is really an Emacs bug, or just a limitation of *shell*
>
> Starting from emacs -Q:
> M-x shell
> mount ./network-drive
> ;; (fstab for this drive is:
> //<network.location>/<folder>$/     /home/user/network-drive      cifs
> noauto,users,user=<my username on the network>,uid=<my local
> username>,rw     0       0
> ;; )
>
> ;; I am now prompted for my network password. When I enter it and press
> ;; return I see this:
> Password for <user>@//<network.location>/<folder>$/:  <my password in
> plain text>
> ********
>
> The point is, the asterisks should be appearing in place of my actual
> password. Instead, they appear in addition to my password.
>
> Thanks for your time,
>
> Tyler
>
> In GNU Emacs 24.3.50.1 (i686-pc-linux-gnu, GTK+ Version 3.8.6)
>  of 2013-12-31 on ONOTTAR654746

Hi Tyler,

Thanks for the bug report.  Sorry that it went unanswered for so long.

When I try the following on Emacs 26.1, I get no error:

(progn
  (require 'comint)
  (string-match comint-password-prompt-regexp
        "Password for foo@//example.org/foo/bar$/: "))

This suggests to me that a prompt such as the above should work under
M-x shell, since that is built on top of comint.

Could you verify that this works for you on Emacs 26.1?

Could you also please tell me if:

"Password for foo@//example.org/foo/bar$/: "

is a good example of the kind of prompt you get when mounting a cifs
partition?  (I'm trying to find a good example to add to the test
suite for comint-password-prompt-regexp.)

Best regards,
Stefan Kangas

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