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         if secs > 60 then
  38                 mins = math.floor(secs / 60)
  39                 secs = secs % 60
  40         end
  41
  42         if mins > 60 then
  43                 hour = math.floor(mins / 60)
  44                 mins = mins % 60
  45         end
  46
  47         if hour > 24 then
  48                 days = math.floor(hours / 24)
  49                 hour = hour % 24
  50         end
  51
  52         if days > 0 then
  53                 return string.format("%dd %02dh %02dmin %02ds", days, hour, mins, secs)
  54         else
  55                 return string.format("%02dh %02dmin %02ds", hour, mins, secs)
  56         end
  57 end
  58
  59 function network_get_addresses(net)
  60         luci.model.uci.load_state("network")
  61         local addr = {}
  62         local ipv4 = luci.model.uci.get("network", net, "ipaddr")
  63         local mav4 = luci.model.uci.get("network", net, "netmask")
  64         local ipv6 = luci.model.uci.get("network", net, "ip6addr")
  65
  66         if ipv4 and mav4 then
  67                 ipv4 = luci.ip.IPv4(ipv4, mav4)
  68
  69                 if ipv4 then
  70                         table.insert(addr, ipv4:string())
  71                 end
  72         end
  73
  74         if ipv6 then
  75                 table.insert(addr, ipv6)
  76         end
  77
  78         luci.model.uci.foreach("network", "alias",
  79                 function (section)
  80                         if section.interface == net then
  81                                 if section.ipaddr and section.netmask then
  82                                         local ipv4 = luci.ip.IPv4(section.ipaddr, section.netmask)
  83
  84                                         if ipv4 then
  85                                                 table.insert(addr, ipv4:string())
  86                                         end
  87                                 end
  88
  89                                 if section.ip6addr then
  90                                         table.insert(addr, section.ip6addr)
  91                                 end
  92                         end
  93                 end
  94         )
  95
  96         return addr
  97 end
  98
  99 function cbi_add_networks(field)
 100         luci.model.uci.foreach("network", "interface",
 101                 function (section)
 102                         if section[".name"] ~= "loopback" then
 103                                 field:value(section[".name"])
 104                         end
 105                 end
 106         )
 107         field.titleref = luci.dispatcher.build_url("admin", "network", "network")
 108 end
 109
 110 function cbi_add_knownips(field)
 111         for i, dataset in ipairs(luci.sys.net.arptable()) do
 112                 field:value(dataset["IP address"])
 113         end
 114 end
 115
 116 function network_get_zones(net)
 117         if not luci.model.uci.load_state("firewall") then
 118                 return nil
 119         end
 120
 121         local zones = {}
 122
 123         luci.model.uci.foreach("firewall", "zone",
 124                 function (section)
 125                         local znet = section.network or section.name
 126                         if luci.util.contains(luci.util.split(znet, " "), net) then
 127                                 table.insert(zones, section.name)
 128                         end
 129                 end
 130         )
 131
 132         return zones
 133 end
 134
 135 function firewall_find_zone(name)
 136         local find
 137
 138         luci.model.uci.foreach("firewall", "zone",
 139                 function (section)
 140                         if section.name == name then
 141                                 find = section[".name"]
 142                         end
 143                 end
 144         )
 145
 146         return find
 147 end
 148
 149 function iface_get_network(iface)
 150         luci.model.uci.load_state("network")
 151         local net
 152
 153         luci.model.uci.foreach("network", "interface",
 154                 function (section)
 155                         local ifname = luci.model.uci.get(
 156                                 "network", section[".name"], "ifname"
 157                         )
 158
 159                         if iface == ifname then
 160                                 net = section[".name"]
 161                         end
 162                 end
 163         )
 164
 165         return net
 166 end