Viewing file:  save_policy.cgi (6.74 KB) -rwxr-xr-x
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#!/usr/bin/perl
# save_policy.cgi
# Change the default policy for some chain
require './firewall-lib.pl';
&ReadParse();
@tables = &get_iptables_save();
$table = $tables[$in{'table'}];
&can_edit_table($table->{'name'}) || &error($text{'etable'});
@d = split(/\0/, $in{'d'});
if ($in{'add'}) {
# Redirect to the rule page for adding a rule
&redirect("edit_rule.cgi?table=".&urlize($in{'table'}).
"&chain=".&urlize($in{'chain'})."&new=1");
}
elsif ($in{'delete'} && $in{'confirm'}) {
# Delete this entire chain and all rules in it
&lock_file($iptables_save_file);
$access{'delchain'} || &error($text{'delete_ecannot'});
$table->{'rules'} = [ grep { $_->{'chain'} ne $in{'chain'} }
@{$table->{'rules'}} ];
delete($table->{'defaults'}->{$in{'chain'}});
&run_before_command();
&save_table($table);
&run_after_command();
©_to_cluster();
&unlock_file($iptables_save_file);
&webmin_log("delete", "chain", undef, { 'chain' => $in{'chain'},
'table' => $table->{'name'} });
&redirect("index.cgi?table=".&urlize($in{'table'}));
}
elsif ($in{'clear'} && $in{'confirm'}) {
# Delete all rules from this chain
$access{'delchain'} || &error($text{'clear_ecannot'});
&lock_file($iptables_save_file);
$table->{'rules'} = [ grep { $_->{'chain'} ne $in{'chain'} }
@{$table->{'rules'}} ];
&run_before_command();
&save_table($table);
&run_after_command();
©_to_cluster();
&unlock_file($iptables_save_file);
&webmin_log("clear", "chain", undef, { 'chain' => $in{'chain'},
'table' => $table->{'name'} });
&redirect("index.cgi?table=".&urlize($in{'table'}));
}
elsif ($in{'delete'} || $in{'clear'}) {
# Ask for confirmation on deleting the chain
$mode = $in{'delete'} ? "delete" : "clear";
$access{'delchain'} || &error($text{$mode.'_ecannot'});
&ui_print_header(undef, $text{$mode.'_title'}, "");
@rules = grep { $_->{'chain'} eq $in{'chain'} } @{$table->{'rules'}};
print &ui_form_start("save_policy.cgi");
print &ui_hidden("table", $in{'table'});
print &ui_hidden("chain", $in{'chain'});
print &ui_hidden($mode, 1);
print "<center><b>",&text($mode.'_rusure', "<tt>$in{'chain'}</tt>",
scalar(@rules)),"</b><p>\n";
print &ui_submit($text{'delete_ok'}, 'confirm');
print "</center>\n";
print &ui_form_end();
&ui_print_footer("index.cgi?table=".&urlize($in{'table'}),
$text{'index_return'});
}
elsif ($in{'rename'} && $in{'newname'}) {
# Rename a chain
&lock_file($iptables_save_file);
$access{'delchain'} || &error($text{'rename_ecannot'});
$in{'newname'} =~ /^\S+$/ || &error($text{'new_ename'});
# Change the chain on each rule
foreach $r (@{$table->{'rules'}}) {
if ($r->{'chain'} eq $in{'chain'}) {
$r->{'chain'} = $in{'newname'};
}
}
# Rename the default
$table->{'defaults'}->{$in{'newname'}} =
$table->{'defaults'}->{$in{'chain'}};
delete($table->{'defaults'}->{$in{'chain'}});
# Adjust any other rules
if ($in{'adjust'}) {
foreach $r (@{$table->{'rules'}}) {
if ($r->{'j'} && $r->{'j'}->[1] eq $in{'chain'}) {
$r->{'j'}->[1] = $in{'newname'};
}
}
}
&run_before_command();
&save_table($table);
&run_after_command();
©_to_cluster();
&unlock_file($iptables_save_file);
&webmin_log("rename", "chain", undef, { 'chain' => $in{'chain'},
'table' => $table->{'name'} });
&redirect("index.cgi?table=".&urlize($in{'table'}));
}
elsif ($in{'rename'}) {
# Show chain rename form
&ui_print_header(undef, $text{'rename_title'}, "");
print &ui_form_start("save_policy.cgi");
print &ui_hidden("table", $in{'table'});
print &ui_hidden("chain", $in{'chain'});
print &ui_hidden("rename", 1);
print &ui_table_start($text{'rename_header'}, undef, 2);
# Number of rules and old name
@rules = grep { $_->{'chain'} eq $in{'chain'} } @{$table->{'rules'}};
print &ui_table_row($text{'rename_chain'}, $in{'chain'});
print &ui_table_row($text{'rename_count'},
scalar(@rules) || $text{'rename_none'});
# Destination chain
print &ui_table_row($text{'rename_name'},
&ui_textbox("newname", undef, 20));
# Adjust other rules?
print &ui_table_row(" ",
&ui_checkbox("adjust", 1, $text{'rename_adjust'}, 1));
print &ui_table_end();
print &ui_form_end([ [ undef, $text{'rename_ok'} ] ]);
&ui_print_footer("index.cgi?table=".&urlize($in{'table'}),
$text{'index_return'});
}
elsif ($in{'delsel'}) {
# Just delete selected rules
%idxs = map { $_, 1 } @d;
&lock_file($iptables_save_file);
$table->{'rules'} = [ grep { $_->{'chain'} ne $in{'chain'} ||
!$idxs{$_->{'index'}} }
@{$table->{'rules'}} ];
&run_before_command();
&save_table($table);
&run_after_command();
©_to_cluster();
&unlock_file($iptables_save_file);
&webmin_log("delsel", "chain", undef, { 'chain' => $in{'chain'},
'table' => $table->{'name'},
'count' => scalar(@d)});
&redirect("index.cgi?table=".&urlize($in{'table'}));
}
elsif ($in{'movesel'} && $in{'dest'}) {
# Move selected rules to new chain
%idxs = map { $_, 1 } @d;
&lock_file($iptables_save_file);
# Change the chain on each rule
foreach $r (@{$table->{'rules'}}) {
if ($r->{'chain'} eq $in{'chain'} && $idxs{$r->{'index'}}) {
$r->{'chain'} = $in{'dest'};
}
}
&run_before_command();
&save_table($table);
&run_after_command();
©_to_cluster();
&unlock_file($iptables_save_file);
&webmin_log("movesel", "chain", undef, { 'chain' => $in{'chain'},
'table' => $table->{'name'},
'count' => scalar(@d)});
&redirect("index.cgi?table=".&urlize($in{'table'}));
}
elsif ($in{'movesel'}) {
# Show rule move form
&ui_print_header(undef, $text{'move_title'}, "");
print &ui_form_start("save_policy.cgi");
print &ui_hidden("table", $in{'table'});
print &ui_hidden("chain", $in{'chain'});
print &ui_hidden("movesel", 1);
foreach $d (@d) {
print &ui_hidden("d", $d);
}
print &ui_table_start($text{'move_header'}, undef, 2);
# Number of rules and source
print &ui_table_row($text{'move_count'}, scalar(@d));
print &ui_table_row($text{'move_chain'}, $in{'chain'});
# Destination chain
print &ui_table_row($text{'move_dest'},
&ui_select("dest", $in{'chain'},
[ grep { $_ ne $in{'chain'} }
sort by_string_for_iptables
(keys %{$table->{'defaults'}}) ]));
print &ui_table_end();
print &ui_form_end([ [ undef, $text{'move_ok'} ] ]);
&ui_print_footer("index.cgi?table=".&urlize($in{'table'}),
$text{'index_return'});
}
else {
# Change the default for this chain
$access{'policy'} || &error($text{'policy_ecannot'});
&lock_file($iptables_save_file);
$table->{'defaults'}->{$in{'chain'}} = $in{'policy'};
&run_before_command();
&save_table($table);
&run_after_command();
©_to_cluster();
&unlock_file($iptables_save_file);
&webmin_log("modify", "chain", undef, { 'chain' => $in{'chain'},
'table' => $table->{'name'} });
&redirect("index.cgi?table=".&urlize($in{'table'}));
}
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