convert luci.fs users to nixio.fs api

21 files changed, 146 insertions, 125 deletions

diff --git a/modules/admin-full/luasrc/controller/admin/services.lua b/modules/admin-full/luasrc/controller/admin/services.lua
index a137377b3..50c79f664 100644
--- a/modules/admin-full/luasrc/controller/admin/services.lua
+++ b/modules/admin-full/luasrc/controller/admin/services.lua
@@ -28,14 +28,14 @@ function index()
 	page.order  = 40
 	page.index  = true
 	
-	if luci.fs.access("/etc/config/lucittpd") then
+	if nixio.fs.access("/etc/config/lucittpd") then
 		local page  = node("admin", "services", "lucittpd")
 		page.target = cbi("admin_services/lucittpd")
 		page.title  = "LuCIttpd"
 		page.order  = 10
 	end
 
-	if luci.fs.access("/etc/config/httpd") then
+	if nixio.fs.access("/etc/config/httpd") then
 		local page  = node("admin", "services", "httpd")
 		page.target = cbi("admin_services/httpd")
 		page.title  = "Busybox HTTPd"
@@ -51,4 +51,4 @@ function index()
 	page.target = cbi("admin_services/dnsmasq")
 	page.title  = "Dnsmasq"
 	page.order  = 30
-end
\ No newline at end of file
+end
diff --git a/modules/admin-full/luasrc/controller/admin/system.lua b/modules/admin-full/luasrc/controller/admin/system.lua
index 1aabe637a..c90ecc3ce 100644
--- a/modules/admin-full/luasrc/controller/admin/system.lua
+++ b/modules/admin-full/luasrc/controller/admin/system.lua
@@ -27,7 +27,7 @@ function index()
 	entry({"admin", "system", "processes"}, form("admin_system/processes"), i18n("process_head"), 45)
 	entry({"admin", "system", "fstab"}, cbi("admin_system/fstab"), i18n("a_s_fstab"), 50)
 
-	if luci.fs.isdirectory("/sys/class/leds") then
+	if nixio.fs.access("/sys/class/leds") then
 		entry({"admin", "system", "leds"}, cbi("admin_system/leds"), i18n("leds", "LEDs"), 60)
 	end
 
@@ -124,7 +124,7 @@ function action_packages()
 	 
 	-- Remove index cache
 	if changes then
-		luci.fs.unlink("/tmp/luci-indexcache")
+		nixio.fs.unlink("/tmp/luci-indexcache")
 	end	
 end
 
@@ -214,7 +214,7 @@ function action_upgrade()
 	
 	local function storage_size()
 		local size = 0
-		if luci.fs.access("/proc/mtd") then
+		if nixio.fs.access("/proc/mtd") then
 			for l in io.lines("/proc/mtd") do
 				local d, s, e, n = l:match('^([^%s]+)%s+([^%s]+)%s+([^%s]+)%s+"([^%s]+)"')
 				if n == "linux" then
@@ -222,7 +222,7 @@ function action_upgrade()
 					break
 				end
 			end
-		elseif luci.fs.access("/proc/partitions") then
+		elseif nixio.fs.access("/proc/partitions") then
 			for l in io.lines("/proc/partitions") do
 				local x, y, b, n = l:match('^%s*(%d+)%s+(%d+)%s+([^%s]+)%s+([^%s]+)')
 				if b and n and not n:match('[0-9]') then
@@ -239,7 +239,7 @@ function action_upgrade()
 	local file
 	luci.http.setfilehandler(
 		function(meta, chunk, eof)
-			if not luci.fs.access(tmpfile) and not file and chunk and #chunk > 0 then
+			if not nixio.fs.access(tmpfile) and not file and chunk and #chunk > 0 then
 				file = io.open(tmpfile, "w")
 			end
 			if file and chunk then
@@ -255,9 +255,9 @@ function action_upgrade()
 	-- Determine state
 	local keep_avail   = true
 	local step         = tonumber(luci.http.formvalue("step") or 1)
-	local has_image    = luci.fs.access(tmpfile)
+	local has_image    = nixio.fs.access(tmpfile)
 	local has_support  = image_supported()
-	local has_platform = luci.fs.access("/lib/upgrade/platform.sh")
+	local has_platform = nixio.fs.access("/lib/upgrade/platform.sh")
 	local has_upload   = luci.http.formvalue("image")
 	
 	-- This does the actual flashing which is invoked inside an iframe
@@ -298,7 +298,7 @@ function action_upgrade()
 		-- If there is an image but user has requested step 1
 		-- or type is not supported, then remove it.
 		if has_image then
-			luci.fs.unlink(tmpfile)
+			nixio.fs.unlink(tmpfile)
 		end
 			
 		luci.template.render("admin_system/upgrade", {
@@ -313,7 +313,7 @@ function action_upgrade()
 		luci.template.render("admin_system/upgrade", {
 			step=2,
 			checksum=image_checksum(),
-			filesize=luci.fs.stat(tmpfile).size,
+			filesize=nixio.fs.stat(tmpfile).size,
 			flashsize=storage_size(),
 			keepconfig=(keep_avail and luci.http.formvalue("keepcfg") == "1")
 		} )
@@ -333,7 +333,7 @@ function _keep_pattern()
 	if files then
 		kpattern = ""
 		for k, v in pairs(files) do
-			if k:sub(1,1) ~= "." and luci.fs.glob(v) then
+			if k:sub(1,1) ~= "." and nixio.fs.glob(v)() then
 				kpattern = kpattern .. " " ..  v
 			end
 		end
diff --git a/modules/admin-full/luasrc/model/cbi/admin_index/luci.lua b/modules/admin-full/luasrc/model/cbi/admin_index/luci.lua
index caf7c9788..30e8ddcc1 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_index/luci.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_index/luci.lua
@@ -15,6 +15,8 @@ require("luci.config")
 m = Map("luci", translate("webui"), translate("a_i_luci1",
  "Hier können Eigenschaften und die Funktionalität der Oberfläche angepasst werden."))
 
+local fs = require "nixio.fs"
+
 -- force reload of global luci config namespace to reflect the changes
 function m.commit_handler(self)
 	package.loaded["luci.config"] = nil
@@ -31,8 +33,8 @@ local i18ndir = luci.i18n.i18ndir .. "default."
 for k, v in luci.util.kspairs(luci.config.languages) do
 	local file = i18ndir .. k:gsub("_", "-")
 	if k:sub(1, 1) ~= "." and (
-		luci.fs.access(file .. ".lua") or
-		luci.fs.access(file .. ".lua.gz")
+		fs.access(file .. ".lua") or
+		fs.access(file .. ".lua.gz")
 	) then
 		l:value(k, v)
 	end
diff --git a/modules/admin-full/luasrc/model/cbi/admin_network/dhcpleases.lua b/modules/admin-full/luasrc/model/cbi/admin_network/dhcpleases.lua
index 0b2f55a31..31a27b3f6 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_network/dhcpleases.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_network/dhcpleases.lua
@@ -11,17 +11,21 @@ You may obtain a copy of the License at
 
 $Id$
 ]]--
-require("luci.sys")
-require("luci.tools.webadmin")
+
+local uci = require "luci.model.uci".cursor()
+local sys = require "luci.sys"
+local wa  = require "luci.tools.webadmin"
+local fs  = require "nixio.fs"
+
 m2 = Map("luci_ethers", translate("dhcp_leases"))
 
 local leasefn, leasefp, leases
-luci.model.uci.cursor():foreach("dhcp", "dnsmasq",
+uci:foreach("dhcp", "dnsmasq",
  function(section)
  	leasefn = section.leasefile
  end
 ) 
-local leasefp = leasefn and luci.fs.access(leasefn) and io.lines(leasefn)
+local leasefp = leasefn and fs.access(leasefn) and io.lines(leasefn)
 if leasefp then
 	leases = {}
 	for lease in leasefp do
@@ -38,9 +42,7 @@ if leases then
 	ltime = v:option(DummyValue, 1, translate("dhcp_timeremain"))
 	function ltime.cfgvalue(self, ...)
 		local value = DummyValue.cfgvalue(self, ...)
-		return luci.tools.webadmin.date_format(
-		 os.difftime(tonumber(value), os.time())
-		)
+		return wa.date_format(os.difftime(tonumber(value), os.time()))
 	end
 end
 
@@ -51,11 +53,13 @@ s.template = "cbi/tblsection"
 
 mac = s:option(Value, "macaddr", translate("macaddress"))
 ip = s:option(Value, "ipaddr", translate("ipaddress"))
-for i, dataset in ipairs(luci.sys.net.arptable()) do
-	ip:value(dataset["IP address"])
-	mac:value(dataset["HW address"],
-	 dataset["HW address"] .. " (" .. dataset["IP address"] .. ")")
-end
+sys.net.arptable(function(entry)
+	ip:value(entry["IP address"])
+	mac:value(
+		entry["HW address"],
+		entry["HW address"] .. " (" .. entry["IP address"] .. ")"
+	)
+end)
 
 	
 return m2
diff --git a/modules/admin-full/luasrc/model/cbi/admin_network/ifaces.lua b/modules/admin-full/luasrc/model/cbi/admin_network/ifaces.lua
index b9e65fb88..8758f7300 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_network/ifaces.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_network/ifaces.lua
@@ -13,14 +13,16 @@ You may obtain a copy of the License at
 $Id$
 ]]--
 
-require("luci.tools.webadmin")
+local wa = require "luci.tools.webadmin"
+local fs = require "nixio.fs"
+
 arg[1] = arg[1] or ""
 
-local has_3g    = luci.fs.mtime("/usr/bin/gcom")
-local has_pptp  = luci.fs.mtime("/usr/sbin/pptp")
-local has_pppd  = luci.fs.mtime("/usr/sbin/pppd")
-local has_pppoe = luci.fs.glob("/usr/lib/pppd/*/rp-pppoe.so")
-local has_pppoa = luci.fs.glob("/usr/lib/pppd/*/pppoatm.so")
+local has_3g    = fs.access("/usr/bin/gcom")
+local has_pptp  = fs.access("/usr/sbin/pptp")
+local has_pppd  = fs.access("/usr/sbin/pppd")
+local has_pppoe = fs.glob("/usr/lib/pppd/*/rp-pppoe.so")()
+local has_pppoa = fs.glob("/usr/lib/pppd/*/pppoatm.so")()
 
 m = Map("network", translate("interfaces"), translate("a_n_ifaces1"))
 
@@ -64,7 +66,7 @@ for i,d in ipairs(luci.sys.net.devices()) do
 	end
 end
 
-local zones = luci.tools.webadmin.network_get_zones(arg[1])
+local zones = wa.network_get_zones(arg[1])
 if zones then
 	if #zones == 0 then
 		m:chain("firewall")
@@ -83,7 +85,7 @@ if zones then
 		)
 
 		function fwzone.write(self, section, value)
-			local zone = luci.tools.webadmin.firewall_find_zone(value)
+			local zone = wa.firewall_find_zone(value)
 			local stat
 
 			if not zone then
diff --git a/modules/admin-full/luasrc/model/cbi/admin_network/network.lua b/modules/admin-full/luasrc/model/cbi/admin_network/network.lua
index 300535d6d..8fd536888 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_network/network.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_network/network.lua
@@ -12,14 +12,16 @@ You may obtain a copy of the License at
 
 $Id$
 ]]--
-require("luci.sys")
-require("luci.tools.webadmin")
+
+local sys = require "luci.sys"
+local wa  = require "luci.tools.webadmin"
+local fs  = require "nixio.fs"
 
 local netstate = luci.model.uci.cursor_state():get_all("network")
 m = Map("network", translate("interfaces"))
 
 local created
-local netstat = luci.sys.net.deviceinfo()
+local netstat = sys.net.deviceinfo()
 
 s = m:section(TypedSection, "interface", "")
 s.addremove = true
@@ -76,25 +78,22 @@ if luci.model.uci.cursor():load("firewall") then
 	zone.titleref = luci.dispatcher.build_url("admin", "network", "firewall", "zones")
 
 	function zone.cfgvalue(self, section)
-		local zones = luci.tools.webadmin.network_get_zones(section)
-		return zones and table.concat(zones, ", ") or "-"
+		return table.concat(wa.network_get_zones(section) or { "-" }, ", ")
 	end
 end
 
 hwaddr = s:option(DummyValue, "_hwaddr")
 function hwaddr.cfgvalue(self, section)
 	local ix = self.map:get(section, "ifname") or ""
-	return luci.fs.readfile("/sys/class/net/" .. ix .. "/address")
+	return fs.readfile("/sys/class/net/" .. ix .. "/address")
 	 or luci.util.exec("ifconfig " .. ix):match(" ([A-F0-9:]+)%s*\n")
 	 or "n/a"
-
 end
 
 
 ipaddr = s:option(DummyValue, "ipaddr", translate("addresses"))
 function ipaddr.cfgvalue(self, section)
-	local addr = luci.tools.webadmin.network_get_addresses(section)
-	return table.concat(addr, ", ")
+	return table.concat(wa.network_get_addresses(section), ", ")
 end
 
 txrx = s:option(DummyValue, "_txrx")
@@ -103,10 +102,10 @@ function txrx.cfgvalue(self, section)
 	local ix = self.map:get(section, "ifname")
 
 	local rx = netstat and netstat[ix] and netstat[ix][1]
-	rx = rx and luci.tools.webadmin.byte_format(tonumber(rx)) or "-"
+	rx = rx and wa.byte_format(tonumber(rx)) or "-"
 
 	local tx = netstat and netstat[ix] and netstat[ix][9]
-	tx = tx and luci.tools.webadmin.byte_format(tonumber(tx)) or "-"
+	tx = tx and wa.byte_format(tonumber(tx)) or "-"
 
 	return string.format("%s / %s", tx, rx)
 end
diff --git a/modules/admin-full/luasrc/model/cbi/admin_network/wifi.lua b/modules/admin-full/luasrc/model/cbi/admin_network/wifi.lua
index 34992271b..6e9249249 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_network/wifi.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_network/wifi.lua
@@ -11,7 +11,10 @@ You may obtain a copy of the License at
 
 $Id$
 ]]--
-require("luci.tools.webadmin")
+
+local wa = require "luci.tools.webadmin"
+local fs = require "nixio.fs"
+
 arg[1] = arg[1] or ""
 
 m = Map("wireless", translate("networks"), translate("a_w_networks1"))
@@ -143,7 +146,7 @@ network = s:option(Value, "network", translate("network"), translate("a_w_networ
 network.rmempty = true
 network:value("")
 network.combobox_manual = translate("a_w_netmanual")
-luci.tools.webadmin.cbi_add_networks(network)
+wa.cbi_add_networks(network)
 
 function network.write(self, section, value)
 	if not m.uci:get("network", value) then
@@ -173,7 +176,7 @@ bssid = s:option(Value, "bssid", translate("wifi_bssid"))
 -------------------- MAC80211 Interface ----------------------
 
 if hwtype == "mac80211" then
-	if luci.fs.mtime("/usr/sbin/iw") then
+	if fs.access("/usr/sbin/iw") then
 		mode:value("mesh", "802.11s")
 	end
 
@@ -322,8 +325,8 @@ encr:value("none", "No Encryption")
 encr:value("wep", "WEP")
 
 if hwtype == "atheros" or hwtype == "mac80211" or hwtype == "prism2" then
-	local supplicant = luci.fs.mtime("/usr/sbin/wpa_supplicant")
-	local hostapd = luci.fs.mtime("/usr/sbin/hostapd")
+	local supplicant = fs.access("/usr/sbin/wpa_supplicant")
+	local hostapd = fs.access("/usr/sbin/hostapd")
 
 	if hostapd and supplicant then
 		encr:value("psk", "WPA-PSK")
diff --git a/modules/admin-full/luasrc/model/cbi/admin_services/crontab.lua b/modules/admin-full/luasrc/model/cbi/admin_services/crontab.lua
index 521e0a27d..05442dd55 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_services/crontab.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_services/crontab.lua
@@ -12,6 +12,8 @@ You may obtain a copy of the License at
 
 $Id$
 ]]--
+
+local fs = require "nixio.fs"
 local cronfile = "/etc/crontabs/root" 
 
 f = SimpleForm("crontab", translate("a_s_crontab"), translate("a_s_crontab1"))
@@ -20,13 +22,13 @@ t = f:field(TextValue, "crons")
 t.rmempty = true
 t.rows = 10
 function t.cfgvalue()
-	return luci.fs.readfile(cronfile) or ""
+	return fs.readfile(cronfile) or ""
 end
 
 function f.handle(self, state, data)
 	if state == FORM_VALID then
 		if data.crons then
-			luci.fs.writefile(cronfile, data.crons:gsub("\r\n", "\n"))
+			fs.writefile(cronfile, data.crons:gsub("\r\n", "\n"))
 		end
 	end
 	return true
diff --git a/modules/admin-full/luasrc/model/cbi/admin_system/fstab.lua b/modules/admin-full/luasrc/model/cbi/admin_system/fstab.lua
index 1e2a12fec..aa4f12e55 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_system/fstab.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_system/fstab.lua
@@ -13,16 +13,18 @@ $Id$
 ]]--
 require("luci.tools.webadmin")
 
-local fs = require "luci.fs"
+local fs   = require "nixio.fs"
+local util = require "nixio.util"
+
 local devices = {}
-luci.util.update(devices, fs.glob("/dev/sd*") or {})
-luci.util.update(devices, fs.glob("/dev/hd*") or {})
-luci.util.update(devices, fs.glob("/dev/scd*") or {})
-luci.util.update(devices, fs.glob("/dev/mmc*") or {})
+util.consume((fs.glob("/dev/sd*")), devices)
+util.consume((fs.glob("/dev/hd*")), devices)
+util.consume((fs.glob("/dev/scd*")), devices)
+util.consume((fs.glob("/dev/mmc*")), devices)
 
 local size = {}
 for i, dev in ipairs(devices) do
-	local s = tonumber((luci.fs.readfile("/sys/class/block/%s/size" % dev:sub(6))))
+	local s = tonumber((fs.readfile("/sys/class/block/%s/size" % dev:sub(6))))
 	size[dev] = s and math.floor(s / 2048)
 end
 
diff --git a/modules/admin-full/luasrc/model/cbi/admin_system/ipkg.lua b/modules/admin-full/luasrc/model/cbi/admin_system/ipkg.lua
index fecc294b6..1b540b705 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_system/ipkg.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_system/ipkg.lua
@@ -19,11 +19,11 @@ f = SimpleForm("ipkgconf", translate("a_s_p_ipkg"))
 t = f:field(TextValue, "lines")
 t.rows = 10
 function t.cfgvalue()
-	return luci.fs.readfile(ipkgfile) or ""
+	return nixio.fs.readfile(ipkgfile) or ""
 end
 
 function t.write(self, section, data)
-	return luci.fs.writefile(ipkgfile, data:gsub("\r\n", "\n"))
+	return nixio.fs.writefile(ipkgfile, data:gsub("\r\n", "\n"))
 end
 
 f:append(Template("admin_system/ipkg"))
diff --git a/modules/admin-full/luasrc/model/cbi/admin_system/leds.lua b/modules/admin-full/luasrc/model/cbi/admin_system/leds.lua
index 5074a7339..71bd7d0bb 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_system/leds.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_system/leds.lua
@@ -16,12 +16,11 @@ m = Map("system", translate("leds"), translate("leds_desc"))
 local sysfs_path = "/sys/class/leds/"
 local leds = {}
 
-if luci.fs.access(sysfs_path) then
-	for k, v in pairs(luci.fs.dir(sysfs_path)) do
-		if v ~= "." and v ~= ".." then
-			table.insert(leds, v)
-		end
-	end
+local fs   = require "nixio.fs"
+local util = require "nixio.util"
+
+if fs.access(sysfs_path) then
+	leds = util.consume((fs.dir(sysfs_path)))
 end
 
 if #leds == 0 then
@@ -52,7 +51,7 @@ s:option(Flag, "default").rmempty = true
 
 trigger = s:option(ListValue, "trigger")
 
-local triggers = luci.fs.readfile(sysfs_path .. leds[1] .. "/trigger")
+local triggers = fs.readfile(sysfs_path .. leds[1] .. "/trigger")
 for t in triggers:gmatch("[%w-]+") do
 	trigger:value(t, translate("system_led_trigger_" .. t:gsub("-", "")))
 end 
@@ -83,4 +82,4 @@ mode:value("link", translate("system_led_mode_link"))
 mode:value("tx", translate("system_led_mode_tx"))
 mode:value("rx", translate("system_led_mode_rx"))
 
-return m
\ No newline at end of file
+return m
diff --git a/modules/admin-full/luasrc/model/cbi/admin_system/sshkeys.lua b/modules/admin-full/luasrc/model/cbi/admin_system/sshkeys.lua
index 26410c98a..b7ff48235 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_system/sshkeys.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_system/sshkeys.lua
@@ -20,13 +20,13 @@ t = f:field(TextValue, "keys")
 t.rmempty = true
 t.rows = 10
 function t.cfgvalue()
-	return luci.fs.readfile(keyfile) or ""
+	return nixio.fs.readfile(keyfile) or ""
 end
 
 function f.handle(self, state, data)
 	if state == FORM_VALID then
 		if data.keys then
-			luci.fs.writefile(keyfile, data.keys:gsub("\r\n", "\n"))
+			nixio.fs.writefile(keyfile, data.keys:gsub("\r\n", "\n"))
 		end
 	end
 	return true
diff --git a/modules/admin-full/luasrc/view/admin_status/interfaces.htm b/modules/admin-full/luasrc/view/admin_status/interfaces.htm
index 5358caeae..720ce9c3d 100644
--- a/modules/admin-full/luasrc/view/admin_status/interfaces.htm
+++ b/modules/admin-full/luasrc/view/admin_status/interfaces.htm
@@ -15,15 +15,15 @@ $Id$
 
 <%-
 
-	require "luci.tools.webadmin"
-
-	local wba = luci.tools.webadmin
-	local uci = luci.model.uci.cursor_state()
+	local sys = require "luci.sys"
+	local wba = require "luci.tools.webadmin"
+	local uci = require "luci.model.uci".cursor_state()
+	local fs  = require "nixio.fs"
 
 	local bridge_ifs = { }
 	local single_ifs = { }
 	local wifi_ifs   = { }
-	local devinfo    = luci.sys.net.deviceinfo()
+	local devinfo    = sys.net.deviceinfo()
 
 	uci:foreach("network", "interface",
 		function(s)
@@ -86,8 +86,8 @@ $Id$
 
 	function get_switch_driver(i)
 		local n, d = i:match("([a-z]+)(%d+)%.%d+$")
-		local hw = luci.fs.readfile("/proc/switch/%s%s/driver" %{ n, d })
-			or luci.fs.readfile("/proc/switch/%s/driver" % d )
+		local hw = fs.readfile("/proc/switch/%s%s/driver" %{ n, d })
+			or fs.readfile("/proc/switch/%s/driver" % d )
 
 		return hw and hw:match("%S+")
 	end
diff --git a/modules/admin-full/luasrc/view/admin_status/routes.htm b/modules/admin-full/luasrc/view/admin_status/routes.htm
index 7bde82b17..0b37abbdd 100644
--- a/modules/admin-full/luasrc/view/admin_status/routes.htm
+++ b/modules/admin-full/luasrc/view/admin_status/routes.htm
@@ -15,9 +15,9 @@ $Id$
 
 <%-
 	require "bit"
-	require "luci.fs"
 	require "luci.sys"
 	require "luci.tools.webadmin"
+	require "nixio.fs"
 
 	local style = true
 -%>
@@ -54,7 +54,7 @@ $Id$
 	</fieldset>
 	<br />
 
-	<% if luci.fs.access("/proc/net/ipv6_route") then style = true %>
+	<% if fs.access("/proc/net/ipv6_route") then style = true %>
 	<fieldset class="cbi-section" id="cbi-table-table">
 		<legend><%:a_n_routes_kernel6%></legend>
 
diff --git a/modules/admin-mini/luasrc/controller/mini/system.lua b/modules/admin-mini/luasrc/controller/mini/system.lua
index 589e83a84..075f51e91 100644
--- a/modules/admin-mini/luasrc/controller/mini/system.lua
+++ b/modules/admin-mini/luasrc/controller/mini/system.lua
@@ -98,7 +98,7 @@ function action_upgrade()
 	
 	local function storage_size()
 		local size = 0
-		if luci.fs.access("/proc/mtd") then
+		if nixio.fs.access("/proc/mtd") then
 			for l in io.lines("/proc/mtd") do
 				local d, s, e, n = l:match('^([^%s]+)%s+([^%s]+)%s+([^%s]+)%s+"([^%s]+)"')
 				if n == "linux" then
@@ -106,7 +106,7 @@ function action_upgrade()
 					break
 				end
 			end
-		elseif luci.fs.access("/proc/partitions") then
+		elseif nixio.fs.access("/proc/partitions") then
 			for l in io.lines("/proc/partitions") do
 				local x, y, b, n = l:match('^%s*(%d+)%s+(%d+)%s+([^%s]+)%s+([^%s]+)')
 				if b and n and not n:match('[0-9]') then
@@ -123,7 +123,7 @@ function action_upgrade()
 	local file
 	luci.http.setfilehandler(
 		function(meta, chunk, eof)
-			if not luci.fs.access(tmpfile) and not file and chunk and #chunk > 0 then
+			if not nixio.fs.access(tmpfile) and not file and chunk and #chunk > 0 then
 				file = io.open(tmpfile, "w")
 			end
 			if file and chunk then
@@ -139,9 +139,9 @@ function action_upgrade()
 	-- Determine state
 	local keep_avail   = true
 	local step         = tonumber(luci.http.formvalue("step") or 1)
-	local has_image    = luci.fs.access(tmpfile)
+	local has_image    = nixio.fs.access(tmpfile)
 	local has_support  = image_supported()
-	local has_platform = luci.fs.access("/lib/upgrade/platform.sh")
+	local has_platform = nixio.fs.access("/lib/upgrade/platform.sh")
 	local has_upload   = luci.http.formvalue("image")
 	
 	-- This does the actual flashing which is invoked inside an iframe
@@ -182,7 +182,7 @@ function action_upgrade()
 		-- If there is an image but user has requested step 1
 		-- or type is not supported, then remove it.
 		if has_image then
-			luci.fs.unlink(tmpfile)
+			nixio.fs.unlink(tmpfile)
 		end
 			
 		luci.template.render("admin_system/upgrade", {
@@ -197,7 +197,7 @@ function action_upgrade()
 		luci.template.render("admin_system/upgrade", {
 			step=2,
 			checksum=image_checksum(),
-			filesize=luci.fs.stat(tmpfile).size,
+			filesize=nixio.fs.stat(tmpfile).size,
 			flashsize=storage_size(),
 			keepconfig=(keep_avail and luci.http.formvalue("keepcfg") == "1")
 		} )
@@ -217,7 +217,7 @@ function _keep_pattern()
 	if files then
 		kpattern = ""
 		for k, v in pairs(files) do
-			if k:sub(1,1) ~= "." and luci.fs.glob(v) then
+			if k:sub(1,1) ~= "." and nixio.fs.glob(v)() then
 				kpattern = kpattern .. " " ..  v
 			end
 		end
diff --git a/modules/admin-mini/luasrc/model/cbi/mini/dhcp.lua b/modules/admin-mini/luasrc/model/cbi/mini/dhcp.lua
index 2aadded3e..5817a93d7 100644
--- a/modules/admin-mini/luasrc/model/cbi/mini/dhcp.lua
+++ b/modules/admin-mini/luasrc/model/cbi/mini/dhcp.lua
@@ -12,9 +12,11 @@ You may obtain a copy of the License at
 
 $Id$
 ]]--
-require("luci.model.uci")
-require("luci.sys")
-require("luci.tools.webadmin")
+
+local uci = require "luci.model.uci".cursor()
+local sys = require "luci.sys"
+local wa  = require "luci.tools.webadmin"
+local fs  = require "nixio.fs"
 
 m = Map("dhcp", "DHCP")
 
@@ -61,12 +63,12 @@ time.rmempty = true
 m2 = Map("luci_ethers", translate("dhcp_leases"))
 
 local leasefn, leasefp, leases
-luci.model.uci.cursor():foreach("dhcp", "dnsmasq",
+uci:foreach("dhcp", "dnsmasq",
  function(section)
  	leasefn = section.leasefile
  end
 ) 
-local leasefp = leasefn and luci.fs.access(leasefn) and io.lines(leasefn)
+local leasefp = leasefn and fs.access(leasefn) and io.lines(leasefn)
 if leasefp then
 	leases = {}
 	for lease in leasefp do
@@ -83,9 +85,7 @@ if leases then
 	ltime = v:option(DummyValue, 1, translate("dhcp_timeremain"))
 	function ltime.cfgvalue(self, ...)
 		local value = DummyValue.cfgvalue(self, ...)
-		return luci.tools.webadmin.date_format(
-		 os.difftime(tonumber(value), os.time())
-		)
+		return wa.date_format(os.difftime(tonumber(value), os.time()))
 	end
 end
 
@@ -96,10 +96,12 @@ s.template = "cbi/tblsection"
 
 mac = s:option(Value, "macaddr", translate("macaddress"))
 ip = s:option(Value, "ipaddr", translate("ipaddress"))
-for i, dataset in ipairs(luci.sys.net.arptable()) do
-	ip:value(dataset["IP address"])
-	mac:value(dataset["HW address"],
-	 dataset["HW address"] .. " (" .. dataset["IP address"] .. ")")
-end
-
-return m, m2
\ No newline at end of file
+sys.net.arptable(function(entry)
+	ip:value(entry["IP address"])
+	mac:value(
+		entry["HW address"],
+		entry["HW address"] .. " (" .. entry["IP address"] .. ")"
+	)
+end)
+
+return m, m2
diff --git a/modules/admin-mini/luasrc/model/cbi/mini/luci.lua b/modules/admin-mini/luasrc/model/cbi/mini/luci.lua
index 0a57b3056..d358c8a0b 100644
--- a/modules/admin-mini/luasrc/model/cbi/mini/luci.lua
+++ b/modules/admin-mini/luasrc/model/cbi/mini/luci.lua
@@ -12,13 +12,16 @@ You may obtain a copy of the License at
 
 $Id$
 ]]--
-require("luci.config")
+
+require "luci.config"
+local fs = require "nixio.fs"
+
 m = Map("luci", translate("webui"), translate("a_i_luci1"))
 
 -- force reload of global luci config namespace to reflect the changes
 function m.commit_handler(self)
 	package.loaded["luci.config"] = nil
-	require("luci.config")
+	require "luci.config"
 end
 
 
@@ -31,8 +34,8 @@ local i18ndir = luci.i18n.i18ndir .. "default."
 for k, v in luci.util.kspairs(luci.config.languages) do
 	local file = i18ndir .. k:gsub("_", "-")
 	if k:sub(1, 1) ~= "." and (
-		luci.fs.access(file .. ".lua") or
-		luci.fs.access(file .. ".lua.gz")
+		fs.access(file .. ".lua") or
+		fs.access(file .. ".lua.gz")
 	) then
 		l:value(k, v)
 	end
diff --git a/modules/admin-mini/luasrc/model/cbi/mini/network.lua b/modules/admin-mini/luasrc/model/cbi/mini/network.lua
index 508bac155..14414e999 100644
--- a/modules/admin-mini/luasrc/model/cbi/mini/network.lua
+++ b/modules/admin-mini/luasrc/model/cbi/mini/network.lua
@@ -13,16 +13,16 @@ You may obtain a copy of the License at
 $Id$
 ]]--
 
-require("luci.tools.webadmin")
-require("luci.sys")
-require("luci.fs")
+local wa  = require "luci.tools.webadmin"
+local sys = require "luci.sys"
+local fs  = require "nixio.fs"
 
-local has_pptp  = luci.fs.mtime("/usr/sbin/pptp")
-local has_pppoe = luci.fs.glob("/usr/lib/pppd/*/rp-pppoe.so")
+local has_pptp  = fs.access("/usr/sbin/pptp")
+local has_pppoe = fs.glob("/usr/lib/pppd/*/rp-pppoe.so")()
 
 local network = luci.model.uci.cursor_state():get_all("network")
 
-local netstat = luci.sys.net.deviceinfo()
+local netstat = sys.net.deviceinfo()
 local ifaces = {}
 
 for k, v in pairs(network) do
@@ -41,7 +41,7 @@ hwaddr = s:option(DummyValue, "_hwaddr",
  translate("network_interface_hwaddr"), translate("network_interface_hwaddr_desc"))
 function hwaddr.cfgvalue(self, section)
 	local ix = self.map:get(section, "ifname") or ""
-	return luci.fs.readfile("/sys/class/net/" .. ix .. "/address")
+	return fs.readfile("/sys/class/net/" .. ix .. "/address")
 		or luci.util.exec("ifconfig " .. ix):match(" ([A-F0-9:]+)%s*\n")
 		or "n/a"
 end
@@ -59,10 +59,10 @@ function txrx.cfgvalue(self, section)
 	local ix = self.map:get(section, "ifname")
 
 	local rx = netstat and netstat[ix] and netstat[ix][1]
-	rx = rx and luci.tools.webadmin.byte_format(tonumber(rx)) or "-"
+	rx = rx and wa.byte_format(tonumber(rx)) or "-"
 
 	local tx = netstat and netstat[ix] and netstat[ix][9]
-	tx = tx and luci.tools.webadmin.byte_format(tonumber(tx)) or "-"
+	tx = tx and wa.byte_format(tonumber(tx)) or "-"
 
 	return string.format("%s / %s", tx, rx)
 end
@@ -150,7 +150,7 @@ pwd:depends("proto", "pptp")
 
 -- Allow user to set MSS correction here if the UCI firewall is installed
 -- This cures some cancer for providers with pre-war routers
-if luci.fs.access("/etc/config/firewall") then
+if fs.access("/etc/config/firewall") then
 	mssfix = s:option(Flag, "_mssfix",
 		translate("m_n_mssfix"), translate("m_n_mssfix_desc"))
 	mssfix.rmempty = false
diff --git a/modules/admin-mini/luasrc/model/cbi/mini/wifi.lua b/modules/admin-mini/luasrc/model/cbi/mini/wifi.lua
index ee423f3b4..98f66972a 100644
--- a/modules/admin-mini/luasrc/model/cbi/mini/wifi.lua
+++ b/modules/admin-mini/luasrc/model/cbi/mini/wifi.lua
@@ -15,7 +15,10 @@ $Id$
 
 -- Data init --
 
-local uci = luci.model.uci.cursor()
+local fs  = require "nixio.fs"
+local sys = require "luci.sys"
+local uci = require "luci.model.uci".cursor()
+
 if not uci:get("network", "wan") then
 	uci:section("network", "interface", "wan", {proto="none", ifname=" "})
 	uci:save("network")
@@ -24,7 +27,7 @@ end
 
 local wlcursor = luci.model.uci.cursor_state()
 local wireless = wlcursor:get_all("wireless")
-local wifidata = luci.sys.wifi.getiwconfig()
+local wifidata = sys.wifi.getiwconfig()
 local wifidevs = {}
 local ifaces = {}
 
@@ -99,7 +102,7 @@ function scan.write(self, section)
 	m.autoapply = false
 	t2.render = t2._render
 	local ifname = self.map:get(section, "ifname")
-	luci.util.update(t2.data, luci.sys.wifi.iwscan(ifname))
+	luci.util.update(t2.data, sys.wifi.iwscan(ifname))
 end
 
 t2._render = t2.render
@@ -218,8 +221,8 @@ encr:value("none", "No Encryption")
 encr:value("wep", "WEP")
 
 if hwtype == "atheros" or hwtype == "mac80211" then
-	local supplicant = luci.fs.mtime("/usr/sbin/wpa_supplicant")
-	local hostapd = luci.fs.mtime("/usr/sbin/hostapd")
+	local supplicant = fs.access("/usr/sbin/wpa_supplicant")
+	local hostapd    = fs.access("/usr/sbin/hostapd")
 
 	if hostapd and supplicant then
 		encr:value("psk", "WPA-PSK")
diff --git a/modules/freifunk/luasrc/controller/freifunk/freifunk.lua b/modules/freifunk/luasrc/controller/freifunk/freifunk.lua
index 9769ea08b..5efd50f81 100644
--- a/modules/freifunk/luasrc/controller/freifunk/freifunk.lua
+++ b/modules/freifunk/luasrc/controller/freifunk/freifunk.lua
@@ -56,7 +56,7 @@ function index()
 
 	assign({"freifunk", "olsr"}, {"admin", "status", "olsr"}, "OLSR", 30)
 
-	if luci.fs.access("/etc/config/luci_statistics") then
+	if nixio.fs.access("/etc/config/luci_statistics") then
 		assign({"freifunk", "graph"}, {"admin", "statistics", "graph"}, i18n("stat_statistics", "Statistiken"), 40)
 	end
 
@@ -83,7 +83,7 @@ local function fetch_olsrd()
 	local rawdata = sys.httpget("http://127.0.0.1:2006/")
 
 	if #rawdata == 0 then
-		if luci.fs.access("/proc/net/ipv6_route", "r") then
+		if nixio.fs.access("/proc/net/ipv6_route", "r") then
 			rawdata = sys.httpget("http://[::1]:2006/")
 			if #rawdata == 0 then
 				return nil
diff --git a/modules/rpc/luasrc/controller/rpc.lua b/modules/rpc/luasrc/controller/rpc.lua
index e0aeb3bf0..510a025d5 100644
--- a/modules/rpc/luasrc/controller/rpc.lua
+++ b/modules/rpc/luasrc/controller/rpc.lua
@@ -117,7 +117,7 @@ end
 function rpc_fs()
 	local util    = require "luci.util"
 	local io      = require "io"
-	local fs2     = util.clone(require "luci.fs")
+	local fs2     = util.clone(require "nixio.fs")
 	local jsonrpc = require "luci.jsonrpc"
 	local http    = require "luci.http"
 	local ltn12   = require "luci.ltn12"