[Pkg-samba-maint] Bug#926431: Bug#926431: cifs-utils: Password containing special character "$" (dollar) only works with prepended backslash

[Mathieu Parent]

Le ven. 5 avr. 2019 à 03:21, Lars Kruse <devel at sumpfralle.de> a écrit :
>
> Package: cifs-utils
> Version: 2:6.8-2
> Severity: normal
>
> Dear Maintainer,
>
> recently I changed my LDAP password to a new one, that contains a "$" character.
> Afterwards I failed to mount shares with this new password.
>
> I tried the following approaches:
> * interactive mount (e.g. "mount -t cifs -o user=foo //example/share /mnt")
> * credential file
>   (e.g. "mount -t cifs -o user=foo,credentials=bar //example/share /mnt")
> * indirect mount via "pam_mount"
>
> In the first two cases I succeed to mount the share, if I prepend the
> special character ("$") with a backslash. Thus "pass\$word" works, while
> the real password is "pass$word".
> The last case ("pam_mount") was obviously impossible to test this way.
>
> I observed the same behaviour with a client on jessie (2:6.4-1) and on
> stretch (2:6.7-1).

Thanks for your report. Reading the source of cifs-utils and linux, I
don't find where the dollar sign is unescaped.

As a workaround for pma_mount, you may use a <cifsmount> wrapper command.

See https://manpages.debian.org/testing/libpam-mount/pam_mount.conf.5.en.html

Regards

-- 
Mathieu Parent