00-only-enable-connectable-sta-mode-wifi-interface.sh

if [ -f /tmp/skip-only-enable-connectable-sta-mode-wifi-interface ] ; then
    logger -s -t fqrouter skip-only-enable-connectable-sta-mode-wifi-interface found
	return
fi

if [ "remove" == "$ACTION" -a "wlan0" == "$INTERFACE" ] ; then
	/etc/init.d/disable_sta_mode_wifi_interfaces start
fi
if [ "add" == "$ACTION" -a "wlan0" == "$INTERFACE" ] ; then
    logger -s -t fqrouter try to bring up sta mode wifi interface
	sta-mode-wifi-interface-up &
fi

disable_sta_mode_wifi_interfaces.sh

#!/bin/sh /etc/rc.common

START=19 # just before network start

disable_sta_mode_wifi_interface() {
    local section="$1"
	config_get mode $section 'mode'
	config_get ssid $section 'ssid'
	if [ sta == $mode ] ; then
	    logger -s -t fqrouter disable sta mode wifi interface $ssid
		uci_set wireless $section disabled 1
	fi
}

start() {
	config_load 'wireless'
	config_foreach disable_sta_mode_wifi_interface 'wifi-iface'
	uci_commit
	logger -s -t fqrouter all sta mode wifi interfaces disabled
}

sta-mode-wifi-interface-up.lua

#!/usr/bin/lua
require 'uci'
require 'dumper'
require 'nixio'

local pid_file = io.open('/tmp/sta-mode-wifi-interface-up.pid', 'r')
if pid_file ~= nil then
    local that_pid = pid_file:read('*a')
    io.close(pid_file)
    os.execute('logger -s -t fqrouter sta-mode-wifi-interface-up that pid is: ' .. that_pid)
    local cmdline_file = io.open('/proc/' .. that_pid .. '/cmdline', 'r')
    if cmdline_file ~= nil then
        io.close(cmdline_file)
        os.execute('logger -s -t fqrouter sta-mode-wifi-interface-up found another instance ' .. that_pid)
        os.exit()
    end
end
local this_pid = nixio.getpid()
os.execute('echo -n ' .. this_pid .. ' > /tmp/sta-mode-wifi-interface-up.pid')
os.execute('logger -s -t fqrouter sta-mode-wifi-interface-up.pid: ' .. this_pid)
x = uci.cursor()
function exit_if_sta_mode_wifi_interface_enabled(section)
    if 'sta' == section.mode and '0' == section.disabled then
		os.execute('logger -s -t fqrouter std mod wifi interface ' .. section.ssid .. ' already enabled')
		os.exit()
	end
end
x:foreach('wireless', 'wifi-iface', exit_if_sta_mode_wifi_interface_enabled)
os.execute('logger -s -t fqrouter no sta mode wifi interface enabled')

function is_interface_up(ifname)
    local f = assert(io.popen('ifconfig '..ifname, 'r'))
    local output = assert(f:read('*a'))
    return output:find('RUNNING')
end
for count=1,10 do
    if is_interface_up('wlan0') then
        break
    end
    os.execute('sleep 1')
end
if not is_interface_up('wlan0') then
    os.execute('logger -s -t fqrouter wlan0 not up in given time')
    os.exit()
end
os.execute('logger -s -t fqrouter wlan0 is up')

local ssid_list = {}
local ssid_present = {}
for i = 1, 3 do
    local iw = require'luci.sys'.wifi.getiwinfo('radio0')
    for k, v in ipairs(iw.scanlist or {}) do
        if v.ssid ~= nil and ssid_present[v.ssid] == nil then
            table.insert(ssid_list, v.ssid)
            ssid_present[v.ssid] = v
        end
    end
    os.execute('logger -s -t fqrouter "ssid list: ' .. table.concat(ssid_list, ', ') .. '"')
end
local no_sta_mode_wifi_interface_configured = true
function enable_sta_mode_wifi_interface(section)
	if 'sta' == section.mode then
        no_sta_mode_wifi_interface_configured = false
        if ssid_present[section.ssid] ~= nil then
            os.execute('logger -s -t fqrouter found ' .. section.ssid)
            x:set('wireless', section['.name'], 'disabled', 0)
            x:commit('wireless')
            os.execute('touch /tmp/skip-only-enable-connectable-sta-mode-wifi-interface')
            os.execute('wifi up')
            os.execute('rm /tmp/skip-only-enable-connectable-sta-mode-wifi-interface')
            os.execute('sleep 10')
            if is_interface_up('wlan0-1') then
                os.execute('rm /tmp/upstream-status')
            else
                os.execute('echo "UPSTREAM_TIMEOUT" > /tmp/upstream-status')
                os.execute('logger -s -t fqrouter sta mode wifi interface not up in given time')
                x:set('wireless', section['.name'], 'disabled', 1)
                x:commit('wireless')
                os.execute('touch /tmp/skip-only-enable-connectable-sta-mode-wifi-interface')
                os.execute('wifi down')
                os.execute('wifi up')
                os.execute('rm /tmp/skip-only-enable-connectable-sta-mode-wifi-interface')
            end
            os.exit()
        end
	end
end
x = uci.cursor()
x:foreach('wireless', 'wifi-iface', enable_sta_mode_wifi_interface)
if no_sta_mode_wifi_interface_configured then
    os.execute('echo "UPSTREAM_NOT_CONFIGURED" > /tmp/upstream-status')
    os.execute('logger -s -t fqrouter no sta mode wifi interface configured')
else
    os.execute('echo "UPSTREAM_NOT_AVAILABLE" > /tmp/upstream-status')
    os.execute('logger -s -t fqrouter no sta mode wifi interface available')
end