+
+function iface_status()
+ local path = luci.dispatcher.context.requestpath
+ local x = luci.model.uci.cursor_state()
+ local rv = { }
+
+ local iface
+ for iface in path[#path]:gmatch("[%w%.%-]+") do
+ local dev = x:get("network", iface, "device") or ""
+ if #dev == 0 or dev:match("^%d") or dev:match("%W") then
+ dev = x:get("network", iface, "ifname") or ""
+ dev = dev:match("%S+")
+ end
+
+ local info
+ local data = { }
+ for _, info in ipairs(nixio.getifaddrs()) do
+ local name = info.name:match("[^:]+")
+ if name == dev then
+ if info.family == "packet" then
+ data.flags = info.flags
+ data.stats = info.data
+ data.macaddr = info.addr
+ data.ifname = name
+ elseif info.family == "inet" then
+ data.ipaddrs = data.ipaddrs or { }
+ data.ipaddrs[#data.ipaddrs+1] = {
+ addr = info.addr,
+ broadaddr = info.broadaddr,
+ dstaddr = info.dstaddr,
+ netmask = info.netmask,
+ prefix = info.prefix
+ }
+ elseif info.family == "inet6" then
+ data.ip6addrs = data.ip6addrs or { }
+ data.ip6addrs[#data.ip6addrs+1] = {
+ addr = info.addr,
+ netmask = info.netmask,
+ prefix = info.prefix
+ }
+ end
+ end
+ end
+
+ if next(data) then
+ rv[#rv+1] = data
+ end
+ end
+
+ if #rv > 0 then
+ luci.http.prepare_content("application/json")
+ luci.http.write_json(rv)
+ return
+ end
+
+ luci.http.status(404, "No such device")
+end
+
+function wifi_status()
+ local path = luci.dispatcher.context.requestpath
+ local rv = { }
+
+ local dev
+ for dev in path[#path]:gmatch("[%w%.%-]+") do
+ local iw = luci.sys.wifi.getiwinfo(dev)
+ if iw then
+ local f
+ local j = { }
+ for _, f in ipairs({
+ "channel", "frequency", "txpower", "bitrate", "signal", "noise",
+ "quality", "quality_max", "mode", "ssid", "bssid", "country",
+ "encryption", "ifname"
+ }) do
+ j[f] = iw[f]
+ end
+
+ rv[#rv+1] = j
+ end
+ end
+
+ if #rv > 0 then
+ luci.http.prepare_content("application/json")
+ luci.http.write_json(rv)
+ return
+ end
+
+ luci.http.status(404, "No such device")
+end
+
+function lease_status()
+ local rv = { }
+ local leasefile = "/var/dhcp.leases"
+
+ local uci = require "luci.model.uci".cursor()
+ local nfs = require "nixio.fs"
+
+ uci:foreach("dhcp", "dnsmasq",
+ function(s)
+ if s.leasefile and nfs.access(s.leasefile) then
+ leasefile = s.leasefile
+ return false
+ end
+ end)
+
+ local fd = io.open(leasefile, "r")
+ if fd then
+ while true do
+ local ln = fd:read("*l")
+ if not ln then
+ break
+ else
+ local ts, mac, ip, name = ln:match("^(%d+) (%S+) (%S+) (%S+)")
+ if ts and mac and ip and name then
+ rv[#rv+1] = {
+ expires = os.difftime(tonumber(ts) or 0, os.time()),
+ macaddr = mac,
+ ipaddr = ip,
+ hostname = (name ~= "*") and name
+ }
+ end
+ end
+ end
+ fd:close()
+ end
+
+ luci.http.prepare_content("application/json")
+ luci.http.write_json(rv)
+end