modules/admin-core/luasrc/tools/webadmin.lua

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2008 Steven Barth <steven@midlink.org>
   5 Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
   6
   7 Licensed under the Apache License, Version 2.0 (the "License");
   8 you may not use this file except in compliance with the License.
   9 You may obtain a copy of the License at
  10
  11         http://www.apache.org/licenses/LICENSE-2.0
  12
  13 $Id$
  14 ]]--
  15
  16 module("luci.tools.webadmin", package.seeall)
  17 require("luci.model.uci")
  18 require("luci.sys")
  19 require("luci.ip")
  20
  21 function byte_format(byte)
  22         local suff = {"B", "KB", "MB", "GB", "TB"}
  23         for i=1, 5 do
  24                 if byte > 1024 and i < 5 then
  25                         byte = byte / 1024
  26                 else
  27                         return string.format("%.2f %s", byte, suff[i])
  28                 end
  29         end
  30 end
  31
  32 function date_format(secs)
  33         local suff = {"min", "h", "d"}
  34         local mins = 0
  35         local hour = 0
  36         local days = 0
  37
  38         secs = math.floor(secs)
  39         if secs > 60 then
  40                 mins = math.floor(secs / 60)
  41                 secs = secs % 60
  42         end
  43
  44         if mins > 60 then
  45                 hour = math.floor(mins / 60)
  46                 mins = mins % 60
  47         end
  48
  49         if hour > 24 then
  50                 days = math.floor(hour / 24)
  51                 hour = hour % 24
  52         end
  53
  54         if days > 0 then
  55                 return string.format("%.0fd %02.0fh %02.0fmin %02.0fs", days, hour, mins, secs)
  56         else
  57                 return string.format("%02.0fh %02.0fmin %02.0fs", hour, mins, secs)
  58         end
  59 end
  60
  61 function network_get_addresses(net)
  62         luci.model.uci.load_state("network")
  63         local addr = {}
  64         local ipv4 = luci.model.uci.get("network", net, "ipaddr")
  65         local mav4 = luci.model.uci.get("network", net, "netmask")
  66         local ipv6 = luci.model.uci.get("network", net, "ip6addr")
  67
  68         if ipv4 and mav4 then
  69                 ipv4 = luci.ip.IPv4(ipv4, mav4)
  70
  71                 if ipv4 then
  72                         table.insert(addr, ipv4:string())
  73                 end
  74         end
  75
  76         if ipv6 then
  77                 table.insert(addr, ipv6)
  78         end
  79
  80         luci.model.uci.foreach("network", "alias",
  81                 function (section)
  82                         if section.interface == net then
  83                                 if section.ipaddr and section.netmask then
  84                                         local ipv4 = luci.ip.IPv4(section.ipaddr, section.netmask)
  85
  86                                         if ipv4 then
  87                                                 table.insert(addr, ipv4:string())
  88                                         end
  89                                 end
  90
  91                                 if section.ip6addr then
  92                                         table.insert(addr, section.ip6addr)
  93                                 end
  94                         end
  95                 end
  96         )
  97
  98         return addr
  99 end
 100
 101 function cbi_add_networks(field)
 102         luci.model.uci.foreach("network", "interface",
 103                 function (section)
 104                         if section[".name"] ~= "loopback" then
 105                                 field:value(section[".name"])
 106                         end
 107                 end
 108         )
 109         field.titleref = luci.dispatcher.build_url("admin", "network", "network")
 110 end
 111
 112 function cbi_add_knownips(field)
 113         for i, dataset in ipairs(luci.sys.net.arptable()) do
 114                 field:value(dataset["IP address"])
 115         end
 116 end
 117
 118 function network_get_zones(net)
 119         if not luci.model.uci.load_state("firewall") then
 120                 return nil
 121         end
 122
 123         local zones = {}
 124
 125         luci.model.uci.foreach("firewall", "zone",
 126                 function (section)
 127                         local znet = section.network or section.name
 128                         if luci.util.contains(luci.util.split(znet, " "), net) then
 129                                 table.insert(zones, section.name)
 130                         end
 131                 end
 132         )
 133
 134         return zones
 135 end
 136
 137 function firewall_find_zone(name)
 138         local find
 139
 140         luci.model.uci.foreach("firewall", "zone",
 141                 function (section)
 142                         if section.name == name then
 143                                 find = section[".name"]
 144                         end
 145                 end
 146         )
 147
 148         return find
 149 end
 150
 151 function iface_get_network(iface)
 152         luci.model.uci.load_state("network")
 153         local net
 154
 155         luci.model.uci.foreach("network", "interface",
 156                 function (section)
 157                         local ifname = luci.model.uci.get(
 158                                 "network", section[".name"], "ifname"
 159                         )
 160
 161                         if iface == ifname then
 162                                 net = section[".name"]
 163                         end
 164                 end
 165         )
 166
 167         return net
 168 end