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 local uci = 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         local state = uci.cursor_state()
  63         state:load("network")
  64         local addr = {}
  65         local ipv4 = state:get("network", net, "ipaddr")
  66         local mav4 = state:get("network", net, "netmask")
  67         local ipv6 = state:get("network", net, "ip6addr")
  68
  69         if ipv4 and #ipv4 > 0 then
  70                 if mav4 and #mav4 == 0 then mav4 = nil end
  71
  72                 ipv4 = luci.ip.IPv4(ipv4, mav4)
  73
  74                 if ipv4 then
  75                         table.insert(addr, ipv4:string())
  76                 end
  77         end
  78
  79         if ipv6 then
  80                 table.insert(addr, ipv6)
  81         end
  82
  83         state:foreach("network", "alias",
  84                 function (section)
  85                         if section.interface == net then
  86                                 if section.ipaddr and section.netmask then
  87                                         local ipv4 = luci.ip.IPv4(section.ipaddr, section.netmask)
  88
  89                                         if ipv4 then
  90                                                 table.insert(addr, ipv4:string())
  91                                         end
  92                                 end
  93
  94                                 if section.ip6addr then
  95                                         table.insert(addr, section.ip6addr)
  96                                 end
  97                         end
  98                 end
  99         )
 100
 101         return addr
 102 end
 103
 104 function cbi_add_networks(field)
 105         uci.cursor():foreach("network", "interface",
 106                 function (section)
 107                         if section[".name"] ~= "loopback" then
 108                                 field:value(section[".name"])
 109                         end
 110                 end
 111         )
 112         field.titleref = luci.dispatcher.build_url("admin", "network", "network")
 113 end
 114
 115 function cbi_add_knownips(field)
 116         for i, dataset in ipairs(luci.sys.net.arptable()) do
 117                 field:value(dataset["IP address"])
 118         end
 119 end
 120
 121 function network_get_zones(net)
 122         local state = uci.cursor_state()
 123         if not state:load("firewall") then
 124                 return nil
 125         end
 126
 127         local zones = {}
 128
 129         state:foreach("firewall", "zone",
 130                 function (section)
 131                         local znet = section.network or section.name
 132                         if luci.util.contains(luci.util.split(znet, " "), net) then
 133                                 table.insert(zones, section.name)
 134                         end
 135                 end
 136         )
 137
 138         return zones
 139 end
 140
 141 function firewall_find_zone(name)
 142         local find
 143
 144         luci.model.uci.cursor():foreach("firewall", "zone",
 145                 function (section)
 146                         if section.name == name then
 147                                 find = section[".name"]
 148                         end
 149                 end
 150         )
 151
 152         return find
 153 end
 154
 155 function iface_get_network(iface)
 156         local state = uci.cursor_state()
 157         state:load("network")
 158         local net
 159
 160         state:foreach("network", "interface",
 161                 function (section)
 162                         local ifname = state:get(
 163                                 "network", section[".name"], "ifname"
 164                         )
 165
 166                         if iface == ifname then
 167                                 net = section[".name"]
 168                         end
 169                 end
 170         )
 171
 172         return net
 173 end