From 30b216f774c2404a965807ddb93a4a4b2aaeac04 Mon Sep 17 00:00:00 2001
From: Steven Barth <steven@midlink.org>
Date: Sun, 21 Jun 2009 13:42:26 +0000
Subject: [PATCH] Drop support for luaposix and bitlib (obsoleted by nixio)
 Mark luci.fs as deprecated

---
 contrib/bitlib/.gitignore                     |   1 -
 contrib/bitlib/Makefile                       |  36 -----
 contrib/luadoc/lua/luadoc/doclet/html.lua     |   2 +-
 contrib/luadoc/lua/luadoc/taglet/standard.lua |  12 +-
 contrib/luadoc/lua/luadoc/util.lua            |   2 +-
 contrib/luaposix/.gitignore                   |   3 -
 contrib/luaposix/Makefile                     |  35 -----
 contrib/package/luci/Makefile                 |   4 +-
 libs/cbi/luasrc/view/cbi/filebrowser.htm      |   8 +-
 libs/cbi/luasrc/view/cbi/upload.htm           |   2 +-
 libs/core/luasrc/ccache.lua                   |  15 +-
 libs/core/luasrc/fs.lua                       | 128 ++++++------------
 .../httpclient/luasrc/httpclient/receiver.lua |   9 +-
 libs/sys/luasrc/sys.lua                       |  85 ++++--------
 libs/uvl/luasrc/uvl/datatypes.lua             |  12 +-
 libs/web/luasrc/dispatcher.lua                |  11 +-
 libs/web/luasrc/sauth.lua                     |  16 ++-
 libs/web/luasrc/template.lua                  |  10 +-
 .../freifunk/root/usr/sbin/ff_olsr_watchdog   |   6 +-
 19 files changed, 126 insertions(+), 271 deletions(-)
 delete mode 100644 contrib/bitlib/.gitignore
 delete mode 100644 contrib/bitlib/Makefile
 delete mode 100644 contrib/luaposix/.gitignore
 delete mode 100644 contrib/luaposix/Makefile

diff --git a/contrib/bitlib/.gitignore b/contrib/bitlib/.gitignore
deleted file mode 100644
index 7211268c8..000000000
--- a/contrib/bitlib/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-bitlib-*
diff --git a/contrib/bitlib/Makefile b/contrib/bitlib/Makefile
deleted file mode 100644
index ea08c973b..000000000
--- a/contrib/bitlib/Makefile
+++ /dev/null
@@ -1,36 +0,0 @@
-include ../../build/config.mk
-include ../../build/gccconfig.mk
-
-BITLIB_VERSION = 25
-BITLIB_SITE = http://dev.luci.freifunk-halle.net/sources/
-BITLIB_DIR = bitlib-$(BITLIB_VERSION)
-BITLIB_FILE = $(BITLIB_DIR).tar.gz
-BITLIB_URL = $(BITLIB_SITE)/$(BITLIB_FILE)
-
-all: compile
-
-include ../../build/module.mk
-
-$(BITLIB_FILE):
-	wget -O $@ $(BITLIB_URL) || rm -f $@
-
-$(BITLIB_DIR)/.prepared: $(BITLIB_FILE)
-	rm -rf $(BITLIB_DIR)
-	tar xvfz $(BITLIB_FILE)
-	test -f $(BITLIB_DIR)/config.h || cp $(BITLIB_DIR)/config.h.in $(BITLIB_DIR)/config.h
-	touch $@
-
-compile: $(BITLIB_DIR)/.prepared dist$(LUA_LIBRARYDIR)/bit.so
-
-dist$(LUA_LIBRARYDIR)/bit.so:
-	mkdir -p dist$(LUA_LIBRARYDIR)
-	$(COMPILE) -DHAVE_CONFIG_H -I$(BITLIB_DIR) -O2 -c $(BITLIB_DIR)/lbitlib.c $(FPIC) $(LUA_CFLAGS) -o $(BITLIB_DIR)/lbitlib.o
-	$(LINK) $(SHLIB_FLAGS) $(LDFLAGS) $(BITLIB_DIR)/lbitlib.o $(LUA_SHLIBS) -lm -ldl -o dist$(LUA_LIBRARYDIR)/bit.so
-
-luasource:
-luastrip:
-luacompile:
-compile-all: compile
-
-clean:
-	rm -rf $(BITLIB_DIR) $(BITLIB_FILE)
diff --git a/contrib/luadoc/lua/luadoc/doclet/html.lua b/contrib/luadoc/lua/luadoc/doclet/html.lua
index a94e1983f..e77fb7441 100644
--- a/contrib/luadoc/lua/luadoc/doclet/html.lua
+++ b/contrib/luadoc/lua/luadoc/doclet/html.lua
@@ -14,7 +14,7 @@
 
 local assert, getfenv, ipairs, loadstring, pairs, setfenv, tostring, tonumber, type = assert, getfenv, ipairs, loadstring, pairs, setfenv, tostring, tonumber, type
 local io = require"io"
-local posix = require "posix"
+local posix = require "nixio.fs"
 local lp = require "luadoc.lp"
 local luadoc = require"luadoc"
 local package = package
diff --git a/contrib/luadoc/lua/luadoc/taglet/standard.lua b/contrib/luadoc/lua/luadoc/taglet/standard.lua
index f55ea7204..17a305889 100644
--- a/contrib/luadoc/lua/luadoc/taglet/standard.lua
+++ b/contrib/luadoc/lua/luadoc/taglet/standard.lua
@@ -4,7 +4,7 @@
 
 local assert, pairs, tostring, type = assert, pairs, tostring, type
 local io = require "io"
-local posix = require "posix"
+local posix = require "nixio.fs"
 local luadoc = require "luadoc"
 local util = require "luadoc.util"
 local tags = require "luadoc.taglet.standard.tags"
@@ -505,14 +505,14 @@ end
 -- @return table with documentation
 
 function directory (path, doc)
-	for f in posix.files(path) do
+	for f in posix.dir(path) do
 		local fullpath = path .. "/" .. f
 		local attr = posix.stat(fullpath)
 		assert(attr, string.format("error stating file `%s'", fullpath))
 
-		if attr.type == "regular" then
+		if attr.type == "reg" then
 			doc = file(fullpath, doc)
-		elseif attr.type == "directory" and f ~= "." and f ~= ".." then
+		elseif attr.type == "dir" and f ~= "." and f ~= ".." then
 			doc = directory(fullpath, doc)
 		end
 	end
@@ -550,9 +550,9 @@ function start (files, doc)
 		local attr = posix.stat(path)
 		assert(attr, string.format("error stating path `%s'", path))
 
-		if attr.type == "regular" then
+		if attr.type == "reg" then
 			doc = file(path, doc)
-		elseif attr.type == "directory" then
+		elseif attr.type == "dir" then
 			doc = directory(path, doc)
 		end
 	end)
diff --git a/contrib/luadoc/lua/luadoc/util.lua b/contrib/luadoc/lua/luadoc/util.lua
index 3a48e7418..acaaac828 100644
--- a/contrib/luadoc/lua/luadoc/util.lua
+++ b/contrib/luadoc/lua/luadoc/util.lua
@@ -3,7 +3,7 @@
 -- @release $Id: util.lua,v 1.16 2008/02/17 06:42:51 jasonsantos Exp $
 -------------------------------------------------------------------------------
 
-local posix = require "posix"
+local posix = require "nixio.fs"
 local type, table, string, io, assert, tostring, setmetatable, pcall = type, table, string, io, assert, tostring, setmetatable, pcall
 
 -------------------------------------------------------------------------------
diff --git a/contrib/luaposix/.gitignore b/contrib/luaposix/.gitignore
deleted file mode 100644
index 1407d2387..000000000
--- a/contrib/luaposix/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-luaposix-*
-lua-posix_*
-patches/series
diff --git a/contrib/luaposix/Makefile b/contrib/luaposix/Makefile
deleted file mode 100644
index 70d3c9c4c..000000000
--- a/contrib/luaposix/Makefile
+++ /dev/null
@@ -1,35 +0,0 @@
-include ../../build/config.mk
-include ../../build/gccconfig.mk
-
-LUAPOSIX_VERSION = 5.1.4
-LUAPOSIX_SITE = http://dev.luci.freifunk-halle.net/sources/
-LUAPOSIX_DIR = luaposix-$(LUAPOSIX_VERSION)
-LUAPOSIX_FILE = lua-posix_5.1.4.orig.tar.gz
-LUAPOSIX_URL = $(LUAPOSIX_SITE)/$(LUAPOSIX_FILE)
-LUAPOSIX_PATCHDIR = patches
-
-all: compile
-
-include ../../build/module.mk
-
-$(LUAPOSIX_FILE):
-	wget -O $@ $(LUAPOSIX_URL) || rm -f $@
-
-$(LUAPOSIX_DIR)/.prepared: $(LUAPOSIX_FILE)
-	rm -rf $(LUAPOSIX_DIR)
-	tar xvfz $(LUAPOSIX_FILE)
-	touch $@
-
-compile: $(LUAPOSIX_DIR)/.prepared
-	$(MAKE) -C $(LUAPOSIX_DIR) CC=$(CC) CFLAGS="$(CFLAGS) $(LUA_CFLAGS)" LDFLAGS="$(LDFLAGS) $(LUA_SHLIBS)" OS="$(OS)"
-	mkdir -p dist$(LUA_LIBRARYDIR)
-	cp $(LUAPOSIX_DIR)/posix.so dist$(LUA_LIBRARYDIR)
-
-luasource:
-luastrip:
-luacompile:
-compile-all: compile
-
-clean:
-	rm -rf $(LUAPOSIX_DIR) $(LUAPOSIX_FILE)
-	rm -f $(LUAPOSIX_PATCHDIR)/series
diff --git a/contrib/package/luci/Makefile b/contrib/package/luci/Makefile
index 826fc193b..4680d6576 100644
--- a/contrib/package/luci/Makefile
+++ b/contrib/package/luci/Makefile
@@ -98,7 +98,7 @@ endef
 
 define Package/luci-core
   $(call Package/luci/libtemplate)
-  DEPENDS:=+lua
+  DEPENDS:=+lua +luci-nixio
   TITLE:=LuCI core libraries
 endef
 
@@ -246,7 +246,7 @@ NIXIO_TLS:=axtls
 
 define Package/luci-nixio
   $(call Package/luci/libtemplate)
-  TITLE:=NIXIO Socket Library
+  TITLE:=NIXIO POSIX Library
   DEPENDS:=
 endef
 
diff --git a/libs/cbi/luasrc/view/cbi/filebrowser.htm b/libs/cbi/luasrc/view/cbi/filebrowser.htm
index 0e223a933..5eda993b6 100644
--- a/libs/cbi/luasrc/view/cbi/filebrowser.htm
+++ b/libs/cbi/luasrc/view/cbi/filebrowser.htm
@@ -66,10 +66,10 @@ $Id$
 		local filestat = luci.fs.stat( filepath )
 		local baseurl  = luci.dispatcher.build_url('admin', 'filebrowser')
 
-		if filestat and filestat.type == "regular" then
+		if filestat and filestat.type == "reg" then
 			table.remove( path, #path )
 			filepath = table.concat( path, '/' ) .. '/'
-		elseif not ( filestat and filestat.type == "directory" ) then
+		elseif not ( filestat and filestat.type == "dir" ) then
 			path     = { '' }
 			filepath = '/'
 		else
@@ -99,7 +99,7 @@ $Id$
 		<ul>
 			<% for _, e in luci.util.vspairs(entries) do
 			    local stat = luci.fs.stat(filepath..e)
-				if e ~= '.' and e ~= '..' and stat and stat.type == 'directory' then
+				if e ~= '.' and e ~= '..' and stat and stat.type == 'dir' then
 			-%>
 				<li class="dir">
 					<img src="/luci-static/resources/cbi/folder.png" alt="Directory" />
@@ -109,7 +109,7 @@ $Id$
 
 			<% for _, e in luci.util.vspairs(entries) do
 			    local stat = luci.fs.stat(filepath..e)
-				if stat and stat.type ~= 'directory' then
+				if stat and stat.type ~= 'dir' then
 			-%>
 				<li class="file">
 					<img src="/luci-static/resources/cbi/file.png" alt="File" />
diff --git a/libs/cbi/luasrc/view/cbi/upload.htm b/libs/cbi/luasrc/view/cbi/upload.htm
index 2c293cbdd..a4ab0c958 100644
--- a/libs/cbi/luasrc/view/cbi/upload.htm
+++ b/libs/cbi/luasrc/view/cbi/upload.htm
@@ -19,7 +19,7 @@ $Id$
 -%>
 <%+cbi/valueheader%>
 	<% if v then %>
-		<%:cbi_upload Uploaded File%> (<%=t.byte_format(luci.fs.stat(v).size or 0)%>)
+		<%:cbi_upload Uploaded File%> (<%=t.byte_format(luci.fs.stat(v, "size") or 0)%>)
 		<input type="hidden"<%= attr("value", v) .. attr("name", cbid) .. attr("id", cbid) %> />
 		<input class="cbi-input-image" type="image" value="<%:cbi_replace%>" name="cbi.rlf.<%=section .. "." .. self.option%>" alt="<%:cbi_replace%>" title="<%:cbi_replace%>" src="<%=resource%>/cbi/reload.gif" />
 	<% else %>
diff --git a/libs/core/luasrc/ccache.lua b/libs/core/luasrc/ccache.lua
index 83e82d9fd..c9771af21 100644
--- a/libs/core/luasrc/ccache.lua
+++ b/libs/core/luasrc/ccache.lua
@@ -14,8 +14,9 @@ $Id$
 ]]--
 
 local io = require "io"
+local fs = require "nixio.fs"
 local util = require "luci.util"
-local posix = require "posix"
+local nixio = require "nixio"
 local debug = require "debug"
 local string = require "string"
 local package = require "package"
@@ -36,10 +37,10 @@ function cache_enable(cachepath, mode)
 	mode = mode or "r--r--r--"
 
 	local loader = package.loaders[2]
-	local uid    = posix.getpid("uid")
+	local uid    = nixio.getpid("uid")
 
-	if not posix.stat(cachepath) then
-		posix.mkdir(cachepath)
+	if not fs.stat(cachepath) then
+		fs.mkdir(cachepath)
 	end
 
 	local function _encode_filename(name)
@@ -51,19 +52,19 @@ function cache_enable(cachepath, mode)
 	end
 
 	local function _load_sane(file)
-		local stat = posix.stat(file)
+		local stat = fs.stat(file)
 		if stat and stat.uid == uid and stat.mode == mode then
 			return loadfile(file)
 		end
 	end
 
 	local function _write_sane(file, func)
-		if posix.getpid("uid") == uid then
+		if nixio.getuid() == uid then
 			local fp = io.open(file, "w")
 			if fp then
 				fp:write(util.get_bytecode(func))
 				fp:close()
-				posix.chmod(file, mode)
+				fs.chmod(file, mode)
 			end
 		end
 	end
diff --git a/libs/core/luasrc/fs.lua b/libs/core/luasrc/fs.lua
index d4247d783..f98f6e605 100644
--- a/libs/core/luasrc/fs.lua
+++ b/libs/core/luasrc/fs.lua
@@ -27,7 +27,8 @@ limitations under the License.
 local io    = require "io"
 local os    = require "os"
 local ltn12 = require "luci.ltn12"
-local posix = require "posix"
+local fs	= require "nixio.fs"
+local nutil = require "nixio.util"
 
 local type  = type
 
@@ -41,7 +42,7 @@ module "luci.fs"
 -- @return		Number containing the return code, 0 on sucess or nil on error
 -- @return		String containing the error description (if any)
 -- @return		Number containing the os specific errno (if any)
-access = posix.access
+access = fs.access
 
 --- Evaluate given shell glob pattern and return a table containing all matching
 -- file and directory entries.
@@ -51,81 +52,53 @@ access = posix.access
 -- @return			Table containing file and directory entries or nil if no matches
 -- @return			String containing the error description (if no matches)
 -- @return			Number containing the os specific errno (if no matches)
-glob = posix.glob
+function glob(...)
+	local iter, code, msg = fs.glob(...)
+	if iter then
+		return nutil.consume(iter)
+	else
+		return nil, code, msg
+	end
+end
 
 --- Checks wheather the given path exists and points to a regular file.
 -- @param filename	String containing the path of the file to test
 -- @return			Boolean indicating wheather given path points to regular file
 function isfile(filename)
-	return posix.stat(filename, "type") == "regular"
+	return fs.stat(filename, "type") == "reg"
 end
 
 --- Checks wheather the given path exists and points to a directory.
 -- @param dirname	String containing the path of the directory to test
 -- @return			Boolean indicating wheather given path points to directory
 function isdirectory(dirname)
-	return posix.stat(dirname, "type") == "directory"
+	return fs.stat(dirname, "type") == "dir"
 end
 
 --- Read the whole content of the given file into memory.
 -- @param filename	String containing the path of the file to read
 -- @return			String containing the file contents or nil on error
 -- @return			String containing the error message on error
-function readfile(filename)
-	local fp, err = io.open(filename)
-
-	if fp == nil then
-		return nil, err
-	end
-
-	local data = fp:read("*a")
-	fp:close()
-	return data
-end
+readfile = fs.readfile
 
 --- Write the contents of given string to given file.
 -- @param filename	String containing the path of the file to read
 -- @param data		String containing the data to write
 -- @return			Boolean containing true on success or nil on error
 -- @return			String containing the error message on error
-function writefile(filename, data)
-	local fp, err = io.open(filename, "w")
-
-	if fp == nil then
-		return nil, err
-	end
-
-	fp:write(data)
-	fp:close()
-
-	return true
-end
+writefile = fs.writefile
 
 --- Copies a file.
 -- @param source	Source file
 -- @param dest		Destination
 -- @return			Boolean containing true on success or nil on error
-function copy(source, dest)
-	return ltn12.pump.all(
-		ltn12.source.file(io.open(source)),
-		ltn12.sink.file(io.open(dest, "w"))
-	)
-end
+copy = fs.datacopy
 
 --- Renames a file.
 -- @param source	Source file
 -- @param dest		Destination
 -- @return			Boolean containing true on success or nil on error
-function rename(source, dest)
-	local stat, err, code = os.rename(source, dest)
-	if code == 18 then
-		stat, err, code = copy(source, dest)
-		if stat then
-			stat, err, code = unlink(source)
-		end
-	end
-	return stat, err, code
-end
+rename = fs.move
 
 --- Get the last modification time of given file path in Unix epoch format.
 -- @param path	String containing the path of the file or directory to read
@@ -133,7 +106,7 @@ end
 -- @return		String containing the error description (if any)
 -- @return		Number containing the os specific errno (if any)
 function mtime(path)
-	return posix.stat(path, "mtime")
+	return fs.stat(path, "mtime")
 end
 
 --- Set the last modification time  of given file path in Unix epoch format.
@@ -143,7 +116,9 @@ end
 -- @return		0 in case of success nil on error
 -- @return		String containing the error description (if any)
 -- @return		Number containing the os specific errno (if any)
-utime = posix.utime
+function utime(path, mtime, atime)
+	return fs.utimes(path, atime, mtime)
+end
 
 --- Return the last element - usually the filename - from the given path with
 -- the directory component stripped.
@@ -152,7 +127,7 @@ utime = posix.utime
 -- @param path	String containing the path to strip
 -- @return		String containing the base name of given path
 -- @see			dirname
-basename = posix.basename
+basename = fs.basename
 
 --- Return the directory component of the given path with the last element
 -- stripped of.
@@ -161,7 +136,7 @@ basename = posix.basename
 -- @param path	String containing the path to strip
 -- @return		String containing the directory component of given path
 -- @see			basename
-dirname = posix.dirname
+dirname = fs.dirname
 
 --- Return a table containing all entries of the specified directory.
 -- @class		function
@@ -170,7 +145,17 @@ dirname = posix.dirname
 -- @return		Table containing file and directory entries or nil on error
 -- @return		String containing the error description on error
 -- @return		Number containing the os specific errno on error
-dir = posix.dir
+function dir(...)
+	local iter, code, msg = fs.dir(...)
+	if iter then
+		local t = nutil.consume(iter)
+		t[#t+1] = "."
+		t[#t+1] = ".."
+		return t
+	else
+		return nil, code, msg
+	end
+end
 
 --- Create a new directory, recursively on demand.
 -- @param path		String with the name or path of the directory to create
@@ -179,36 +164,7 @@ dir = posix.dir
 -- @return			String containing the error description on error
 -- @return			Number containing the os specific errno on error
 function mkdir(path, recursive)
-	if recursive then
-		local base = "."
-
-		if path:sub(1,1) == "/" then
-			base = ""
-			path = path:gsub("^/+","")
-		end
-
-		for elem in path:gmatch("([^/]+)/*") do
-			base = base .. "/" .. elem
-
-			local stat = posix.stat( base )
-
-			if not stat then
-				local stat, errmsg, errno = posix.mkdir( base )
-
-				if type(stat) ~= "number" or stat ~= 0 then
-					return stat, errmsg, errno
-				end
-			else
-				if stat.type ~= "directory" then
-					return nil, base .. ": File exists", 17
-				end
-			end
-		end
-
-		return 0
-	else
-		return posix.mkdir( path )
-	end
+	return recursive and fs.mkdirr(path) or fs.mkdir(path)
 end
 
 --- Remove the given empty directory.
@@ -218,7 +174,7 @@ end
 -- @return		Number with the return code, 0 on sucess or nil on error
 -- @return		String containing the error description on error
 -- @return		Number containing the os specific errno on error
-rmdir = posix.rmdir
+rmdir = fs.rmdir
 
 --- Get information about given file or directory.
 -- @class		function
@@ -227,7 +183,7 @@ rmdir = posix.rmdir
 -- @return		Table containing file or directory properties or nil on error
 -- @return		String containing the error description on error
 -- @return		Number containing the os specific errno on error
-stat = posix.stat
+stat = fs.stat
 
 --- Set permissions on given file or directory.
 -- @class		function
@@ -237,7 +193,7 @@ stat = posix.stat
 -- @return		Number with the return code, 0 on sucess or nil on error
 -- @return		String containing the error description on error
 -- @return		Number containing the os specific errno on error
-chmod = posix.chmod
+chmod = fs.chmod
 
 --- Create a hard- or symlink from given file (or directory) to specified target
 -- file (or directory) path.
@@ -249,7 +205,9 @@ chmod = posix.chmod
 -- @return			Number with the return code, 0 on sucess or nil on error
 -- @return			String containing the error description on error
 -- @return			Number containing the os specific errno on error
-link = posix.link
+function link(src, dest, sym)
+	return sym and fs.symlink(src, dest) or fs.link(src, dest)
+end
 
 --- Remove the given file.
 -- @class		function
@@ -258,7 +216,7 @@ link = posix.link
 -- @return		Number with the return code, 0 on sucess or nil on error
 -- @return		String containing the error description on error
 -- @return		Number containing the os specific errno on error
-unlink = posix.unlink
+unlink = fs.unlink
 
 --- Retrieve target of given symlink.
 -- @class		function
@@ -267,4 +225,4 @@ unlink = posix.unlink
 -- @return		String containing the link target or nil on error
 -- @return		String containing the error description on error
 -- @return		Number containing the os specific errno on error
-readlink = posix.readlink
+readlink = fs.readlink
diff --git a/libs/httpclient/luasrc/httpclient/receiver.lua b/libs/httpclient/luasrc/httpclient/receiver.lua
index ad2ac8db7..cac96cd95 100644
--- a/libs/httpclient/luasrc/httpclient/receiver.lua
+++ b/libs/httpclient/luasrc/httpclient/receiver.lua
@@ -114,13 +114,12 @@ end
 
 local function splice_sync(sock, pipeout, pipein, file, cb)
 	local os = require "os"
-	local posix = require "posix"
 	local ssize = 65536
 	local smode = nixio.splice_flags("move", "more")
 	local stat
 	
 	-- This is probably the only forking http-client ;-)
-	local pid, code, msg = posix.fork()
+	local pid, code, msg = nixio.fork()
 	if not pid then
 		return pid, code, msg
 	elseif pid == 0 then
@@ -149,11 +148,11 @@ local function splice_sync(sock, pipeout, pipein, file, cb)
 		file:close()
 		
 		if not stat then
-			posix.kill(pid)
-			posix.wait(pid)
+			nixio.kill(pid, 15)
+			nixio.wait(pid)
 			return stat, code, msg
 		else
-			pid, msg, code = posix.wait(pid)
+			pid, msg, code = nixio.wait(pid)
 			if msg == "exited" then
 				if code == 0 then
 					return true
diff --git a/libs/sys/luasrc/sys.lua b/libs/sys/luasrc/sys.lua
index 9910ed37c..c9f0bcc88 100644
--- a/libs/sys/luasrc/sys.lua
+++ b/libs/sys/luasrc/sys.lua
@@ -27,7 +27,7 @@ limitations under the License.
 
 local io    = require "io"
 local os    = require "os"
-local posix = require "posix"
+local nixio = require "nixio"
 local table = require "table"
 
 local luci  = {}
@@ -128,7 +128,7 @@ end
 -- @param var	Name of the environment variable to retrieve (optional)
 -- @return		String containg the value of the specified variable
 -- @return		Table containing all variables if no variable name is given
-getenv = posix.getenv
+getenv = nixio.getenv
 
 --- Get or set the current hostname.
 -- @param		String containing a new hostname to set (optional)
@@ -138,7 +138,7 @@ function hostname(newname)
 		luci.fs.writefile( "/proc/sys/kernel/hostname", newname .. "\n" )
 		return newname
 	else
-		return posix.uname("%n")
+		return nixio.uname().nodename
 	end
 end
 
@@ -161,11 +161,9 @@ end
 -- @return	String containing the average load value 1 minute ago
 -- @return	String containing the average load value 5 minutes ago
 -- @return	String containing the average load value 15 minutes ago
--- @return	String containing the active and total number of processes
--- @return	String containing the last used pid
 function loadavg()
-	local loadavg = io.lines("/proc/loadavg")()
-	return loadavg:match("^(.-) (.-) (.-) (.-) (.-)$")
+	local info = nixio.sysinfo()
+	return info.loads[1], info.loads[2], info.loads[3]
 end
 
 --- Initiate a system reboot.
@@ -193,7 +191,7 @@ function sysinfo()
 	local membuffers = tonumber(meminfo:match("Buffers:%s*(%d+)"))
 
 	if not system then
-		system = posix.uname("%m")
+		system = nixio.uname().machine
 		model = cpuinfo:match("model name.-:%s*([^\n]+)")
 		if not model then
 			model = cpuinfo:match("Processor.-:%s*([^\n]+)")
@@ -243,18 +241,6 @@ function uptime()
 	return loadavg:match("^(.-) (.-)$")
 end
 
---- LuCI system utilities / POSIX user group related functions.
--- @class	module
--- @name	luci.sys.group
-group = {}
-
---- Returns information about a POSIX user group.
--- @class function
--- @name		getgroup
--- @param group Group ID or name of a system user group
--- @return	Table with information about the requested group
-group.getgroup = posix.getgroup
-
 
 --- LuCI system utilities / network related functions.
 -- @class	module
@@ -484,7 +470,10 @@ process = {}
 -- @class function
 -- @name  process.info
 -- @return	Number containing the current pid
-process.info = posix.getpid
+function process.info(key)
+	local s = {uid = nixio.getuid(), gid = nixio.getgid()}
+	return not key and s or s[key]
+end
 
 --- Retrieve information about currently running processes.
 -- @return 	Table containing process information
@@ -527,23 +516,21 @@ function process.list()
 end
 
 --- Set the gid of a process identified by given pid.
--- @param pid	Number containing the process id
 -- @param gid	Number containing the Unix group id
 -- @return		Boolean indicating successful operation
 -- @return		String containing the error message if failed
 -- @return		Number containing the error code if failed
-function process.setgroup(pid, gid)
-	return posix.setpid("g", pid, gid)
+function process.setgroup(gid)
+	return nixio.setgid(gid)
 end
 
 --- Set the uid of a process identified by given pid.
--- @param pid	Number containing the process id
 -- @param uid	Number containing the Unix user id
 -- @return		Boolean indicating successful operation
 -- @return		String containing the error message if failed
 -- @return		Number containing the error code if failed
-function process.setuser(pid, uid)
-	return posix.setpid("u", pid, uid)
+function process.setuser(uid)
+	return nixio.setuid(uid)
 end
 
 --- Send a signal to a process identified by given pid.
@@ -553,7 +540,7 @@ end
 -- @param sig	Signal to send (default: 15 [SIGTERM])
 -- @return		Boolean indicating successful operation
 -- @return		Number containing the error code if failed
-process.signal = posix.kill
+process.signal = nixio.kill
 
 
 --- LuCI system utilities / user related functions.
@@ -567,44 +554,20 @@ user = {}
 -- @param uid	Number containing the Unix user id
 -- @return		Table containing the following fields:
 --				{ "uid", "gid", "name", "passwd", "dir", "shell", "gecos" }
-user.getuser = posix.getpasswd
+user.getuser = nixio.getpw
 
 --- Test whether given string matches the password of a given system user.
 -- @param username	String containing the Unix user name
--- @param password	String containing the password to compare
+-- @param pass		String containing the password to compare
 -- @return			Boolean indicating wheather the passwords are equal
-function user.checkpasswd(username, password)
-	local account = user.getuser(username)
-
-	if account then
-		local pwd = account.passwd
-		local shadowpw
-		if #pwd == 1 then
-			if luci.fs.stat("/etc/shadow") then
-				if not pcall(function()
-					for l in io.lines("/etc/shadow") do
-						shadowpw = l:match("^%s:([^:]+)" % username)
-						if shadowpw then
-							pwd = shadowpw
-							break
-						end
-					end
-				end) then
-					return nil, "Unable to access shadow-file"
-				end
-			end
-
-			if pwd == "!" then
-				return true
-			end
-		end
-
-		if pwd and #pwd > 0 and password and #password > 0 then
-			return (pwd == posix.crypt(password, pwd))
-		end
+function user.checkpasswd(username, pass)
+	local pwe = nixio.getsp and nixio.getsp(username) or nixio.getpw(username)
+	local pwh = pwe and (pwe.pwdp or pwe.passwd)
+	if not pwh or #pwh < 1 or pwh ~= "!" and nixio.crypt(pass, pwh) ~= pwh then
+		return false
+	else
+		return true
 	end
-
-	return false
 end
 
 --- Change the password of given user.
diff --git a/libs/uvl/luasrc/uvl/datatypes.lua b/libs/uvl/luasrc/uvl/datatypes.lua
index 615e2946d..1ad0891f2 100644
--- a/libs/uvl/luasrc/uvl/datatypes.lua
+++ b/libs/uvl/luasrc/uvl/datatypes.lua
@@ -144,9 +144,9 @@ function directory( val, seen )
 
 	if s and not seen[s.ino] then
 		seen[s.ino] = true
-		if s.type == "directory" then
+		if s.type == "dir" then
 			return true
-		elseif s.type == "link" then
+		elseif s.type == "lnk" then
 			return directory( fs.readlink(val), seen )
 		end
 	end
@@ -160,9 +160,9 @@ function file( val, seen )
 
 	if s and not seen[s.ino] then
 		seen[s.ino] = true
-		if s.type == "regular" then
+		if s.type == "reg" then
 			return true
-		elseif s.type == "link" then
+		elseif s.type == "lnk" then
 			return file( fs.readlink(val), seen )
 		end
 	end
@@ -176,9 +176,9 @@ function device( val, seen )
 
 	if s and not seen[s.ino] then
 		seen[s.ino] = true
-		if s.type == "character device" or s.type == "block device" then
+		if s.type == "chr" or s.type == "blk" then
 			return true
-		elseif s.type == "link" then
+		elseif s.type == "lnk" then
 			return device( fs.readlink(val), seen )
 		end
 	end
diff --git a/libs/web/luasrc/dispatcher.lua b/libs/web/luasrc/dispatcher.lua
index 71d2a5c74..b0f6c1e4d 100644
--- a/libs/web/luasrc/dispatcher.lua
+++ b/libs/web/luasrc/dispatcher.lua
@@ -30,6 +30,7 @@ local sys = require "luci.sys"
 local init = require "luci.init"
 local util = require "luci.util"
 local http = require "luci.http"
+local nixio = require "nixio", require "nixio.util"
 
 module("luci.dispatcher", package.seeall)
 context = util.threadlocal()
@@ -210,7 +211,8 @@ function dispatch(request)
 	if (c and c.index) or not track.notemplate then
 		local tpl = require("luci.template")
 		local media = track.mediaurlbase or luci.config.main.mediaurlbase
-		if not pcall(tpl.Template, "themes/%s/header" % fs.basename(media)) then
+		if not tpl.Template("themes/%s/header" % fs.basename(media)) then 
+		--if not pcall(tpl.Template, "themes/%s/header" % fs.basename(media)) then
 			media = nil
 			for name, theme in pairs(luci.config.themes) do
 				if name:sub(1,1) ~= "." and pcall(tpl.Template,
@@ -411,7 +413,7 @@ function createindex_plain(path, suffixes)
 			if cachedate > realdate then
 				assert(
 					sys.process.info("uid") == fs.stat(indexcache, "uid")
-					and fs.stat(indexcache, "mode") == "rw-------",
+					and fs.stat(indexcache, "modestr") == "rw-------",
 					"Fatal: Indexcache is not sane!"
 				)
 
@@ -438,8 +440,9 @@ function createindex_plain(path, suffixes)
 	end
 
 	if indexcache then
-		fs.writefile(indexcache, util.get_bytecode(index))
-		fs.chmod(indexcache, "a-rwx,u+rw")
+		local f = nixio.open(indexcache, "w", 600)
+		f:writeall(util.get_bytecode(index))
+		f:close()
 	end
 end
 
diff --git a/libs/web/luasrc/sauth.lua b/libs/web/luasrc/sauth.lua
index 5d3dc95ca..e5cb17845 100644
--- a/libs/web/luasrc/sauth.lua
+++ b/libs/web/luasrc/sauth.lua
@@ -19,6 +19,8 @@ require("luci.fs")
 require("luci.util")
 require("luci.sys")
 require("luci.config")
+local nixio = require "nixio", require "nixio.util"
+local fs = require "nixio.fs"
 
 
 luci.config.sauth = luci.config.sauth or {}
@@ -37,7 +39,7 @@ function clean()
 	for i, file in pairs(files) do
 		local fname = sessionpath .. "/" .. file
 		local stat = luci.fs.stat(fname)
-		if stat and stat.type == "regular" and stat.atime + sessiontime < now then
+		if stat and stat.type == "reg" and stat.mtime + sessiontime < now then
 			luci.fs.unlink(fname)
 		end 
 	end
@@ -45,8 +47,7 @@ end
 
 --- Prepare session storage by creating the session directory.
 function prepare()
-	luci.fs.mkdir(sessionpath)
-	luci.fs.chmod(sessionpath, "a-rwx,u+rwx")
+	fs.mkdir(sessionpath, 700)
 	 
 	if not sane() then
 		error("Security Exception: Session path is not sane!")
@@ -67,6 +68,7 @@ function read(id)
 	if not sane(sessionpath .. "/" .. id) then
 		return
 	end
+	luci.fs.utime(sessionpath .. "/" .. id)
 	return luci.fs.readfile(sessionpath .. "/" .. id)
 end
 
@@ -76,7 +78,7 @@ end
 function sane(file)
 	return luci.sys.process.info("uid")
 			== luci.fs.stat(file or sessionpath, "uid")
-		and luci.fs.stat(file or sessionpath, "mode")
+		and luci.fs.stat(file or sessionpath, "modestr")
 			== (file and "rw-------" or "rwx------")
 end
 
@@ -91,8 +93,10 @@ function write(id, data)
 	if not id:match("^%w+$") then
 		error("Session ID is not sane!")
 	end
-	luci.fs.writefile(sessionpath .. "/" .. id, data)
-	luci.fs.chmod(sessionpath .. "/" .. id, "a-rwx,u+rw")
+	
+	local f = nixio.open(sessionpath .. "/" .. id, "w", 600)
+	f:writeall(data)
+	f:close()
 end
 
 
diff --git a/libs/web/luasrc/template.lua b/libs/web/luasrc/template.lua
index dc6e5bb7d..83efd2200 100644
--- a/libs/web/luasrc/template.lua
+++ b/libs/web/luasrc/template.lua
@@ -31,6 +31,7 @@ local table = require "table"
 local string = require "string"
 local config = require "luci.config"
 local coroutine = require "coroutine"
+local nixio = require "nixio", require "nixio.util"
 
 local tostring, pairs, loadstring = tostring, pairs, loadstring
 local setmetatable, loadfile = setmetatable, loadfile
@@ -177,7 +178,7 @@ function Template.__init__(self, name)
 		
 		if not fs.mtime(cdir) then
 			fs.mkdir(cdir, true)
-			fs.chmod(fs.dirname(cdir), "a+rxw")
+			fs.chmod(fs.dirname(cdir), 777)
 		end
 		
 		assert(tplmt or commt, "No such template: " .. name)
@@ -190,14 +191,15 @@ function Template.__init__(self, name)
 			if source then
 				local compiled, err = compile(source)
 				
-				fs.writefile(compiledfile, util.get_bytecode(compiled))
-				fs.chmod(compiledfile, "a-rwx,u+rw")
+				local f = nixio.open(compiledfile, "w", 600)
+				f:writeall(util.get_bytecode(compiled))
+				f:close()
 				self.template = compiled
 			end
 		else
 			assert(
 				sys.process.info("uid") == fs.stat(compiledfile, "uid")
-				and fs.stat(compiledfile, "mode") == "rw-------",
+				and fs.stat(compiledfile, "modestr") == "rw-------",
 				"Fatal: Cachefile is not sane!"
 			)
 			self.template, err = loadfile(compiledfile)
diff --git a/modules/freifunk/root/usr/sbin/ff_olsr_watchdog b/modules/freifunk/root/usr/sbin/ff_olsr_watchdog
index 3e5258d9b..aa8de6162 100755
--- a/modules/freifunk/root/usr/sbin/ff_olsr_watchdog
+++ b/modules/freifunk/root/usr/sbin/ff_olsr_watchdog
@@ -3,9 +3,9 @@
 require "os"
 require "io"
 require "uci"
-require "posix"
+local fs = require "nixio.fs"
 
-if posix.access("/var/run/olsrd.pid") then
+if fs.access("/var/run/olsrd.pid") then
 	local stamp, intv
 	local x = uci.cursor()
 
@@ -17,7 +17,7 @@ if posix.access("/var/run/olsrd.pid") then
 			end
 		end)
 
-	if intv and posix.access(stamp) then
+	if intv and fs.access(stamp) then
 		local systime = os.time()
 		local wdgtime = tonumber(io.lines(stamp)())
 
-- 
2.25.1