mirror of
https://github.com/Doodle3D/doodle3d-firmware.git
synced 2024-07-01 05:31:23 +02:00
173 lines
4.7 KiB
Lua
173 lines
4.7 KiB
Lua
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local util = require("util")
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local uci = require("uci").cursor()
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local iwinfo = require("iwinfo")
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local M = {}
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M.DFL_AP_SSID = "d3d-ap"
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M.DFL_DEVICE = "radio0" -- was wlan0
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local dev, dev_api
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--- Map device mode as reported by iwinfo to device mode as required by UCI
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-- Note that this function is quite naive.
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-- @param mode mode text as reported by iwinfo
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-- @param masterIsAp set to true to map 'Master' to 'ap' instead of 'sta' (optional)
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function M.mapDeviceMode(mode, masterIsAp)
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local modeMap = {
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["Master"] = masterIsAp and "ap" or "sta",
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["Ad-Hoc"] = "adhoc"
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}
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return modeMap[mode]
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end
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--- Initialize WiFi helper library
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-- @param device wireless device to operate on (optional, defaults to DFL_DEVICE)
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-- @return true on success or false+error on failure
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function M.init(device)
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-- iwinfo = pcall(require, "iwinfo")
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dev = device or M.DFL_DEVICE
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dev_api = iwinfo.type(dev)
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if not dev_api then
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return false, "No such wireless device: '"..dev.."'"
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end
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return true
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end
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function M.getDeviceState()
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local iw = iwinfo[dev_api]
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local result = {
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["mode"] = M.mapDeviceMode(iw.mode(dev), true),
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["ssid"] = iw.ssid(dev),
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["bssid"] = iw.bssid(dev)
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}
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return result
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end
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--- Return one or all available wifi networks resulting from an iwinfo scan
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-- @param ssid return data for given SSID or for all networks if SSID not given
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-- @return data for all or requested network; false+error on failure or nil when requested network not found
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function M.getScanInfo(ssid)
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local iw = iwinfo[dev_api]
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local sr = iw.scanlist(dev)
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local si, se
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if ssid == nil then
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return sr
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else
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if sr and #sr > 0 then
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for _, se in ipairs(sr) do
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if se.ssid == ssid then
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return se
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end
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end
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else
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return false, "No scan results or scanning not possible"
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end
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end
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return nil
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end
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--- Return all wireless networks configured in UCI
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function M.getConfigs()
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local l = {}
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uci.foreach("wireless", "wifi-iface", function(s) table.insert(l, s) end)
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return l
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end
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--- Remove UCI config for network with given SSID
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-- @return true if successfully removed, false if no such config exists
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function M.removeConfig(ssid)
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local rv = false
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uci:foreach("wireless", "wifi-iface", function(s)
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if s.ssid == ssid then
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uci:delete("wireless", s[".name"])
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rv = true
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return false
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end
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end)
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uci:commit("wireless")
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return rv
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end
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--- Activate wireless section for given SSID and disable all others
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-- @param ssid SSID of config to enable, or nil to disable all network configs
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function M.activateConfig(ssid)
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uci:foreach("wireless", "wifi-iface", function(s)
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local disabled = s.ssid ~= ssid and "1" or "0"
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uci:set("wireless", s[".name"], "disabled", disabled)
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end)
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uci:commit("wireless")
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end
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--- Create a new UCI network from the given iwinfo data
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-- http://luci.subsignal.org/trac/browser/luci/trunk/libs/iwinfo/src/iwinfo_wext.c?rev=5645 (outdated?)
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-- TODO: configure encryption correctly (how?)
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-- @param info iwinfo data to create a network from
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-- @param passphrase passphrase to use (optional)
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-- @param disabled immediately disable the network (optional)
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function M.createConfigFromScanInfo(info, passphrase, disabled)
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local mode = M.mapDeviceMode(info.mode)
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local apconfig = {
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network = "lan",
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device = "radio0",
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ssid = info.ssid,
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bssid = info.bssid,
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--encryption = "none",
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mode = mode,
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}
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if passphrase ~= nil then apconfig.key = passphrase end
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apconfig.disabled = disabled ~= nil and disabled and 1 or 0
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local sname = uci:add("wireless", "wifi-iface");
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for k, v in pairs(apconfig) do
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uci:set("wireless", sname, k, v)
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end
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uci:commit("wireless")
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end
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--- Ensure a suitable config section for the access point network exists
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-- @param disabled flag the network as disabled (optional)
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function M.createOrReplaceApConfig(disabled)
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local sname = nil
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uci:foreach("wireless", "wifi-iface", function(s)
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if s.ssid == M.AP_SSID then
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sname = s[".name"]
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return false
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end
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end)
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if sname == nil then sname = uci:add("wireless", "wifi-iface") end
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local apconfig = {
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network = "lan",
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ssid = M.AP_SSID,
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encryption = "none",
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device = "radio0",
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mode = "ap",
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}
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apconfig.disabled = disabled ~= nil and disabled and 1 or 0
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for k, v in pairs(apconfig) do
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uci:set("wireless", sname, k, v)
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end
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uci:commit("wireless")
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end
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--- Reload network config to reflect contents of config
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-- @see http://wiki.openwrt.org/doc/techref/netifd)
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-- * Network reload only restarts interfaces which need to be restarted so no
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-- unneccesary interruptions there.
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-- * ubus does not seem to work -- local c=ubus.connect();
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-- c:call("network.interface.wlan", "down"); c:call("network.interface.wlan", "up"); c:close()
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function M.restart()
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local rv = os.execute("/etc/init.d/network reload")
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end
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return M
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