dhcpd/delete_leases.cgi

   1 #!/usr/local/bin/perl
   2 # Delete multiple leases
   3
   4 require './dhcpd-lib.pl';
   5 &ReadParse();
   6
   7 %access = &get_module_acl();
   8 &error_setup($text{'listl_err'});
   9 if( !($access{'w_leases'} && $access{'r_leases'}) ) {
  10         &error("$text{'eacl_np'} $text{'eacl_pdl'}");
  11         }
  12 @d = split(/\0/, $in{'d'});
  13 @d || &error($text{'listl_enone'});
  14
  15 # Find the leases to remove
  16 &tokenize_file($config{'lease_file'}, \@tok);
  17 $i = $j = 0;
  18 while($i < @tok) {
  19         $lease = &parse_struct(\@tok, \$i, $j++, $config{'lease_file'});
  20         if (&indexof($lease->{'index'}, @d) >= 0) {
  21                 push(@todelete, $lease);
  22                 }
  23         }
  24
  25 # Delete them, in reverse order so that line numbers aren't messed up
  26 &lock_file($config{'lease_file'});
  27 $lref = &read_file_lines($config{'lease_file'});
  28 foreach $lease (reverse(@todelete)) {
  29         splice(@$lref, $lease->{'line'},
  30                $lease->{'eline'} - $lease->{'line'} + 1);
  31         }
  32 &flush_file_lines($config{'lease_file'});
  33 &unlock_file($config{'lease_file'});
  34
  35 &restart_dhcpd();
  36 &webmin_log("delete", "lease", $lease->{'values'}->[0]);
  37 &redirect("list_leases.cgi?all=$in{'all'}&network=$in{'network'}&netmask=$in{'netmask'}");
  38