Re: [K12OSN] Password file

[cliebow downeast net]

Seesm like there is something called pwconvert which will change the 
system to use shadow passwords. and pwunconvert to switch back to standard 
vulnerable passwd inside /etc/passwd. Perhaps you could use that to 
advantage Chuck

> Eric Harrison wrote a perl script for me to create a
> password file.  I needed one that would create a
> password file of all the students in the school,
> without me having to hand input the names and
> passwords.  Eric did this and it worked great.  It
> created a name and password for each student.  The
> only problem is that it does not create a shadow file.
>  Without the shadow file, we cannot access the names
> that have been created.  I have been working on this
> for almost two years, but I know I am getting closer
> to having a finish product that I can  use without a
> lot of fuss.  I needed something that is easy to use
> and others can use if I am not here.  I tried using
> some other suggestions, but I couldn't seem to get
> them working and you still had to create the password
> yourself.  This I did not want to do with almost 1,300
> names.
> 
> I still need to add to the shadow file and samba
> password file.  I have a lot of Windows 98 and 2000
> machines.  The Windows 98 machines are easy to use,
> but the Windows 2000 machines are real stinkers.  I
> still haven't figured what and how I need to do to
> connect these machines to my LTSP servers.  In Windows
> 2000 you have to log in and it looks at a file on the
> computer, but I want it to look at the server.  I need
> to learn how to do this.  I received recommendations
> earlier, but I couldn't quiet figure out what to do. 
> Can someone give me directions that are very simple.
> 
> Here is the script that Eric wrote for me that creates
> the password file.  Can someone tell me how to add the
> shadow file, and to create the smbpasswd file by
> adding to this script to creating a new one.
>  
> #!/usr/bin/perl
> 
> #
> # 1 = first name, last initial, graduation year
> # 2 = first initial, last name, graduation year
> # 3 = first name, last name
> $UserNameType = 2;
> 
> open (PW, "</etc/passwd");
> open (OUT,">>/root/password_list");
> while (<PW>) {
>  chomp;
>  ($uid,$junk) = split /:/, $_;
>  $seen{$uid} = 1;
> }
> 
> while (<>) {
>  chomp;
>  s/
> //g;
>  s/ /-/g;
>  s,/,-,g;
>  s/'//g;
>  $i = "2";
>  ($fn, $ln, $grad) = split /,/, $_;
>  chomp $grad;
>  if ($UserNameType == 3) {
>   $username = lc("$fn_$ln");
>   while ($seen{$username}) {
>    $username = lc("$fn_$ln$i");
>    $i++;
>   }
>  } elsif ($UserNameType == 2) {
>   $start = substr($fn, 0, 1);
>   $end = substr($ln, 0, 7);
>   $username = lc("$start$end$grad");
>   while ($seen{$username}) {
>    $username = lc("$start$end$i$grad");
>    $i++;
>   }
>  } else {
>   $end = substr($ln, 0, 1);
>   $username = lc("$fn$end$grad");
>   while ($seen{$username}) {
>    $username = lc("$fn$end$i$grad");
>    $i++;
>   }
>  }
>  ($password, $cypher) = &mkpass;
>  print OUT "$fn $ln => $username $password\n";
>  print "creating user $username\n";
>  `/usr/sbin/adduser -p $cypher $username`;
>  `/usr/bin/smbpasswd -a $username $password`;
>  $seen{$username}=1;
> }
> 
> sub mkpass {
>  $pass = "";
>         $vstr=("aeiou");
>         $cstr=("bcdfghjkmnprstvwxz");
>         $Cstr=("bcdfghjkmnprstvwxz");
> 
>         for($i=1;$i<=6;$i++){
>              
> $pass.=substr($Cstr,(int(rand(18))+1),1);
>               $i++;
>               $pass.=substr($vstr,(int(rand(4))+1),1);
>               $i++;
>              
> $pass.=substr($cstr,(int(rand(17))+1),1);
>         }
>         chop $pass;
>         $salt=substr($cstr,(int(rand(17))+1),2);
>         $cypher=crypt($pass,$salt);
>         @passwords=($pass,$cypher);
>         return @passwords
> }
> 
> Thank you for all of your help, it has really helped
> me in setting up my 5 LTSP servers and serving an
> entire high school. 
> 
> Jennifer
> 
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