#!/usr/bin/perl -w

# helper script to regenerate missing SKEYs and GKEYs

use Digest::MD5 qw(md5_hex);

@pw = getpwnam('fex');
$spool = $pw[7].'/spool';
chdir $spool or die "$spool - $!";

foreach $suf (glob "*/\@SUBUSER") {
  if (-f $suf and open $suf,$suf) {
    $to = $user = $suf;
    $to =~ s:/.*::;
    $user =~ s:/.*::;
    while (<$suf>) {
      chomp;
      s/#.*//;
      if (/(.+):(.+)/) {
        $from = $1;
        $id = $2;
        $skey = md5_hex("$user:$from:$id");
        unless (-f ".skeys/$skey") {
          if (open $skey,">.skeys/$skey") {
            warn "creating $spool/.skeys/$skey\n";
            print {$skey} "from=$from\n";
            print {$skey} "to=$to\n";
            print {$skey} "id=$id\n";
            close $skey;
          }
        }
      }
    }
    close $suf;
  }
}

foreach $guf (glob "*/\@GROUP/*") {
  if (-f $guf and not -l $guf and open $guf,$guf) {
    $group = $user = $guf;
    $group =~ s:.*/::;
    $user =~ s:/.*::;
    while (<$guf>) {
      chomp;
      s/#.*//;
      if (/(.+):(.+)/) {
        $from = $1;
        $id = $2;
        $gkey = md5_hex("$user:$group:$from:$id");
        unless (-f ".gkeys/$gkey") {
          if (open $gkey,">.gkeys/$gkey") {
            warn "creating $spool/.gkeys/$gkey\n";
            print {$gkey} "from=$from\n";
            print {$gkey} "to=\@$group\n";
            print {$gkey} "user=$user\n";
            print {$gkey} "id=$id\n";
            close $gkey;
          }
        }
      }
    }
    close $guf;
  }
}