modules/luci-mod-status/luasrc/view/admin_status/iptables.htm

   1 <%#
   2  Copyright 2008-2009 Steven Barth <steven@midlink.org>
   3  Copyright 2008-2015 Jo-Philipp Wich <jow@openwrt.org>
   4  Licensed to the public under the Apache License 2.0.
   5 -%>
   6
   7 <%-
   8
   9         require "luci.sys.iptparser"
  10         local wba = require "luci.tools.webadmin"
  11         local fs = require "nixio.fs"
  12         local io = require "io"
  13
  14         local has_ip6tables = fs.access("/usr/sbin/ip6tables")
  15         local mode = 4
  16
  17         if has_ip6tables then
  18                 mode = luci.dispatcher.context.requestpath
  19             mode = tonumber(mode[#mode] ~= "iptables" and mode[#mode]) or 4
  20         end
  21
  22         local ipt = luci.sys.iptparser.IptParser(mode)
  23
  24         local rowcnt = 1
  25         function rowstyle()
  26                 rowcnt = rowcnt + 1
  27                 return (rowcnt % 2) + 1
  28         end
  29
  30         function link_target(t,c)
  31                 if ipt:is_custom_target(c) then
  32                         return '<a href="#rule_%s_%s">%s</a>' %{ t:lower(), c, c }
  33                 end
  34                 return c
  35         end
  36
  37         function link_iface(i)
  38                 local net = wba.iface_get_network(i)
  39                 if net and i ~= "lo" then
  40                         return '<a href="%s">%s</a>' %{
  41                                 url("admin/network/network", net), i
  42                         }
  43
  44                 end
  45                 return i
  46         end
  47
  48         local tables = { "Filter", "NAT", "Mangle", "Raw" }
  49         if mode == 6 then
  50                 tables = { "Filter", "Mangle", "Raw" }
  51                 local ok, lines = pcall(io.lines, "/proc/net/ip6_tables_names")
  52                 if ok and lines then
  53                         local line
  54                         for line in lines do
  55                                 if line == "nat" then
  56                                         tables = { "Filter", "NAT", "Mangle", "Raw" }
  57                                 end
  58                         end
  59                 end
  60         end
  61 -%>
  62
  63 <%+header%>
  64
  65 <style type="text/css">
  66         span:target {
  67                 color: blue;
  68                 text-decoration: underline;
  69         }
  70 </style>
  71
  72 <h2 name="content"><%:Firewall Status%></h2>
  73
  74 <% if has_ip6tables then %>
  75 <ul class="cbi-tabmenu">
  76         <li class="cbi-tab<%= mode ~= 4 and "-disabled" %>"><a href="<%=url("admin/status/iptables/4")%>"><%:IPv4 Firewall%></a></li>
  77         <li class="cbi-tab<%= mode ~= 6 and "-disabled" %>"><a href="<%=url("admin/status/iptables/6")%>"><%:IPv6 Firewall%></a></li>
  78 </ul>
  79 <% end %>
  80
  81 <div class="cbi-map" style="position: relative">
  82
  83         <form method="post" action="<%=url("admin/status/iptables_action")%>" style="position: absolute; right: 0">
  84                 <input type="hidden" name="token" value="<%=token%>" />
  85                 <input type="hidden" name="family" value="<%=mode%>" />
  86                 <input type="submit" class="cbi-button" name="zero" value="<%:Reset Counters%>" />
  87                 <input type="submit" class="cbi-button" name="restart" value="<%:Restart Firewall%>" />
  88         </form>
  89
  90         <div class="cbi-section">
  91
  92                 <% for _, tbl in ipairs(tables) do chaincnt = 0 %>
  93                         <h3><%:Table%>: <%=tbl%></h3>
  94
  95                         <% for _, chain in ipairs(ipt:chains(tbl)) do
  96                                 rowcnt    = 0
  97                                 chaincnt  = chaincnt + 1
  98                                 chaininfo = ipt:chain(tbl, chain)
  99                         %>
 100                                 <h4  id="rule_<%=tbl:lower()%>_<%=chain%>">
 101                                         <%:Chain%> <em><%=chain%></em>
 102                                         (<%- if chaininfo.policy then -%>
 103                                                 <%:Policy%>: <em><%=chaininfo.policy%></em>, <%:Packets%>: <%=chaininfo.packets%>, <%:Traffic%>: <%=wba.byte_format(chaininfo.bytes)-%>
 104                                         <%- else -%>
 105                                                 <%:References%>: <%=chaininfo.references-%>
 106                                         <%- end -%>)
 107                                 </h4>
 108
 109                                 <div class="cbi-section-node">
 110                                         <div class="table" style="font-size:90%">
 111                                                 <div class="tr table-titles cbi-rowstyle-<%=rowstyle()%>">
 112                                                         <div class="th hide-xs"><%:Pkts.%></div>
 113                                                         <div class="th nowrap"><%:Traffic%></div>
 114                                                         <div class="th col-5"><%:Target%></div>
 115                                                         <div class="th"><%:Prot.%></div>
 116                                                         <div class="th"><%:In%></div>
 117                                                         <div class="th"><%:Out%></div>
 118                                                         <div class="th"><%:Source%></div>
 119                                                         <div class="th"><%:Destination%></div>
 120                                                         <div class="th col-9 hide-xs"><%:Options%></div>
 121                                                 </div>
 122
 123                                                 <% for _, rule in ipairs(ipt:find({table=tbl, chain=chain})) do %>
 124                                                         <div class="tr cbi-rowstyle-<%=rowstyle()%>">
 125                                                                 <div class="td"><%=rule.packets%></div>
 126                                                                 <div class="td nowrap"><%=wba.byte_format(rule.bytes)%></div>
 127                                                                 <div class="td col-5"><%=rule.target and link_target(tbl, rule.target) or "-"%></div>
 128                                                                 <div class="td"><%=rule.protocol%></div>
 129                                                                 <div class="td"><%=link_iface(rule.inputif)%></div>
 130                                                                 <div class="td"><%=link_iface(rule.outputif)%></div>
 131                                                                 <div class="td"><%=rule.source%></div>
 132                                                                 <div class="td"><%=rule.destination%></div>
 133                                                                 <div class="td col-9 hide-xs"><%=#rule.options > 0 and luci.util.pcdata(table.concat(rule.options, " ")) or "-"%></div>
 134                                                         </div>
 135                                                 <% end %>
 136
 137                                                 <% if rowcnt == 1 then %>
 138                                                         <div class="tr cbi-rowstyle-<%=rowstyle()%>">
 139                                                                 <div class="td" colspan="9"><em><%:No rules in this chain%></em></div>
 140                                                         </div>
 141                                                 <% end %>
 142                                         </div>
 143                                 </div>
 144                         <% end %>
 145
 146                         <% if chaincnt == 0 then %>
 147                                 <em><%:No chains in this table%></em>
 148                         <% end %>
 149
 150                         <br /><br />
 151                 <% end %>
 152         </div>
 153 </div>
 154
 155 <%+footer%>