Re: MySQL obnoxious question

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Words by Mário Gamito [Wed, Feb 20, 2008 at 12:35:26AM +0000]:
> Hi,
>
> Sorry for the little off-topic, but the vpoopmail list is kind of dead.
>

So is the diablo mailing list and I don't see any diablo nntp related
questions here.

> I'm running a qmail server with vpopmail with MySQL authentication.
>
> For obnoxious reasons, I'm running a web site in Windows/ASP.NET/C# that 
> once a user registers, it inserts in the MySQL qmail server the username, 
> password, etc.
>
> It's in the password that the problem lies.
> I need to hash it just before or after the MySQL INSERT statement.
> For that, I have to run a PHP shell script that follows my signature.
>
> Problem is MySQL doesn't run external commands.
>

All that does is generate a random md5 salt and do an md5 crypt of the
password. Why would you want to run that on an external command? I
guess you can easily do it on c#.

>
> <?php
>
> function randltr() {
>  $retval = 'a';
>  $rand = rand() % 64;
>  if ($rand < 26) $retval = $rand + 'a';
>  if ($rand > 25) $retval = $rand - 26 + 'A';
>  if ($rand > 51) $retval = $rand - 52 + '0';
>  if ($rand == 62) $retval = ';';
>  if ($rand == 63) $retval = '.';
>  return($retval);
> }
>
> function mkpasswd3(&$clearpass, &$crypted) {
>  srand ((double)microtime()*1000000);
>
>  $salt = '$1$';
>  for ($i = 0; $i < 5; $i++) $salt .= randltr();
>  $salt .= '0';
>  $crypted = crypt($clearpass, $salt);
>  if (strlen($crypted) > 0) return(true);
>  return(false);
> }
>
> $clearpass = 'yeshua';
> $crypted = '';
>
> if (mkpasswd3($clearpass, $crypted))
>  printf("%s -> %s\n", $clearpass, $crypted);
> else
> echo("Ohoh");
> -

-- 
Jose Celestino
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