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RE: [webmin-l] Change Password error
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From: Jamie C. <jca...@we...> - 2006-02-15 23:09:02
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Hi Dave,
Basically, all I did was change the function unix_crypt in the file web-lib-funcs.pl to:
# unix_crypt(password, salt)
# Performs Unix encryption on a password, using crypt() or Crypt::UnixCrypt
sub unix_crypt
{
local ($pass, $salt) = @_;
return "" if (!$salt); # same as real crypt
local $rv = eval "crypt(\$pass, \$salt)";
local $err = $@;
return $rv if ($rv && !$@);
eval "use Crypt::UnixCrypt";
if (!$@) {
return Crypt::UnixCrypt::crypt($pass, $salt);
}
else {
&error("Failed to encrypt password : $err");
}
}
You could do the same thing by directly editing that file in your copy of Webmin.
- Jamie
On 16/Feb/2006 00:54 Dave Isaacs wrote ..
> Is it possible to give me details (or at least hints) of what need to be
> fixed? I have to deliver a production system by the end of the month and
> I
> have no working change password feature.
>
> Thanks
>
> Dave I
>
> -----Original Message-----
> From: web...@li...
> [mailto:web...@li...] On Behalf Of Jamie
> Cameron
> Sent: Tuesday, February 14, 2006 6:39 PM
> To: web...@li...
> Subject: RE: [webmin-l] Change Password error
>
>
> There is another way it could happen - but I will deal with that in Webmin
> 1.270.
>
> - Jamie
>
> On 15/Feb/2006 03:15 Dave Isaacs wrote ..
>
> In my case the password is NOT blank (I am trying to change the password
> of
> the user I am currently logged in as). Could there be another problem?
>
> Thanks
>
> Dave I
>
> -----Original Message-----
> From: web...@li...
> [mailto:web...@li...] On Behalf Of Jamie
> Cameron
>
> Sent: Tuesday, February 14, 2006 3:14 AM
> To: web...@li...
> Subject: RE: [webmin-l] Change Password error
>
>
> Hi Dave,
> Thanks, I see the cause of this problem now ... it can happen if changing
> the password of a user whose password is currently blank. The next release
> of Webmin will fix it though.
>
> - Jamie
>
> -----Original Message-----
>
> From: Dave Isaacs <dav...@en...>
> Subj: RE: [webmin-l] Change Password error
> Date: Tue 14 Feb 2006 1:08 am
> Size: 4K
> To: "'web...@li...'"
> <web...@li...>
>
> RE: [webmin-l] Change Password error
> I am using the standard Change Password (passwd) module that is packaged
> with Webmin 1.260.
> Thanks
> Dave I
> -----Original Message-----
> From: web...@li...
> [mailto:web...@li...] On Behalf Of Jamie
> Cameron
>
> Sent: Saturday, February 11, 2006 4:56 AM
> To: web...@li...
> Subject: Re: [webmin-l] Change Password error
>
> Hi Dave,
> That looks like a bug in Webmin.
> Which module are you doing the password change in though? It seems that
> the
> caller of unix_crypt is passing in the wrong parameters.
>
> - Jamie
> -----Original Message-----
> From: Dave Isaacs dav...@en...
> Subj: [webmin-l] Change Password error
> Date: Sat 11 Feb 2006 5:01 am
> Size: 2K
> To: 'web...@li...'
> web...@li...
> Message
> Previously, whenI was using the Webmin 1.230 (on RedHat EL3)passwd module,
> there were no problems.
>
> Now, using the Webmin 1.250 version, I get the error Failed to change
> password : Failed to encrypt password :.
>
> Looking at web-funcs-lib.pl, at the unix_crypt() subroutine, I can see
> that
> if the call to crypt() fails, then Crypt::UnixCrypt is used instead. Indeed,
> in my case the
>
>
> $rv = eval crypt(\$pass, \$salt);
>
> call is resulting in $rv being undef. The fallback to Crypt::UnixCrypt
> does
> not work because I do not have that perl module installed.
>
>
> Now my question is: why is the call to crypt() failing? It was not failing
> previously. Doing a little digging, I discovered the when the failure
> occurs, $pass is equal to the old password and $salt is equal to undef.
> Without salt, crypt() appears to return nothing. Why is the salt undef?
>
>
> Thanks
>
> Dave Isaacs
>
>
>
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