RE: [webmin-l] Change Password error

[Jamie C. <jca...@we...>]

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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