[Gllug] passwd and creating passwords

[Pete Ryland]

On Tue, Jan 27, 2004 at 04:44:18PM +0000, Jason Clifford wrote:
> On Tue, 27 Jan 2004, Xander D Harkness wrote:
> 
> > I would like to add a user using useradd -p hashed-password joe
> > 
> > useradd can take a password on the command line but it needs to be a 
> > hash ready to be placed in the /etc/shadow file.
> > 
> > How can I create the correct md5 hash as none of the man pages are very 
> > helpful.
> 
> The following perl will do it for you:
> 
> my $salt = '$1$';
> $salt .= join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64, 
>          rand 64, rand 64, rand 64, rand 64, rand 64, rand 64];
> my $pwcrypt = crypt($password, $salt);
> 
> They key thing to note is that the salt is $1$ followed by 8 more slat 
> characters.

Shouldn't the salt be random?

Pete
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