{{define "content"}}
{{with .Data}}
{{$e := .Errors}}
<p class="hint">Traffic between zones is denied unless a rule allows it. A rule works in one direction only
   (replies are always allowed), so letting two networks talk to each other takes two rules.
   Traffic inside a zone is always allowed. A zone is a LAN or a WireGuard tunnel (named on the WireGuard page).</p>
<form method="post" action="/firewall">
  <input type="hidden" name="csrf" value="{{$.CSRF}}">
  <fieldset>
    <legend>Allow rules</legend>
    <input type="hidden" name="rows" value="{{len .Rows}}">
    <table>
      <tr><th>From</th><th>To</th><th>Protocol</th><th>Ports</th><th>Only to address</th><th>Remove</th></tr>
      {{range $i, $r := .Rows}}
      <tr>
        <td><select name="rule.{{$i}}.from"><option value=""></option>
          {{range $.Data.Zones}}<option value="{{.}}" {{if eq . $r.From}}selected{{end}}>{{.}}</option>{{end}}
        </select></td>
        <td><select name="rule.{{$i}}.to"><option value=""></option>
          {{range $.Data.Zones}}<option value="{{.}}" {{if eq . $r.To}}selected{{end}}>{{.}}</option>{{end}}
        </select></td>
        <td><select name="rule.{{$i}}.protocol">
          {{range $p := list "any" "tcp" "udp" "icmp"}}<option value="{{$p}}" {{if eq $p $r.Protocol}}selected{{end}}>{{$p}}</option>{{end}}
        </select></td>
        <td><input name="rule.{{$i}}.ports" value="{{$r.Ports}}" size="14" placeholder="all"></td>
        <td><input name="rule.{{$i}}.destination" value="{{$r.Destination}}" size="16" spellcheck="false" placeholder="whole zone"></td>
        <td>{{if or $r.From $r.To}}<input type="checkbox" name="rule.{{$i}}.remove">{{end}}</td>
      </tr>
      {{range $f := list "from" "to" "protocol" "ports" "destination"}}{{with index $e (printf "rule[%d].%s" $i $f)}}<tr><td colspan="6" class="field-error">{{$f}}: {{.}}</td></tr>{{end}}{{end}}
      {{end}}
    </table>
    <p class="hint">Fill in the last row to add a rule. Ports apply to tcp and udp: <code>22, 443, 5000-5100</code>.</p>
  </fieldset>
  <button>Save</button>
</form>

{{if .Other}}
<section>
  <h2>Other rules</h2>
  <p class="muted">Port forwards and rules with more options are kept as they are; change them in <code>settings.json</code>.</p>
  <ul>{{range .Other}}<li>{{.}}</li>{{end}}</ul>
</section>
{{end}}
{{end}}
{{end}}