libs/core: Cleaned up luci.sys in favor of the new luci.ip module

applications/luci-splash/root/usr/bin/luci-splashd

@@ -1,7 +1,7 @@
 #!/usr/bin/lua
 
 require("socket")
-require("luci.sys")
+require("luci.ip")
 require("luci.model.uci")
 
 luci.model.uci.set_savedir(luci.model.uci.savedir_state)
@@ -14,13 +14,13 @@ while true do
 	
 	if client then
 		client:settimeout(1)
-		local ip = client:getpeername()
 		local srv
+		local ip = luci.ip.IPv4(client:getpeername())
 		luci.model.uci.foreach("network", "interface",
 			function (section)
 			    if section.ipaddr then
-			        local p = luci.sys.net.mask4prefix(section.netmask)
-			        if luci.sys.net.belongs(ip, section.ipaddr, p) then
+			        local net = luci.ip.IPv4(section.ipaddr, section.netmask)
+			        if ip and net and net:contains(ip) then
 			            srv = section.ipaddr
 			            return
 			        end

libs/core/luasrc/ip.lua

@@ -361,8 +361,8 @@ end
 
 function cidr.contains( self, addr )
 	assert( self[1] == addr[1], "Can't compare IPv4 and IPv6 addresses" )
-	local mask1 = self:mask()
-	local mask2 = addr:mask()
+	local mask1 = self:prefix()
+	local mask2 = addr:prefix()
 	if mask1 <= mask2 then
 		return self:mask(addr:prefix()) == mask2
 	end

libs/sys/luasrc/sys.lua

@@ -30,6 +30,7 @@ require("posix")
 require("luci.bits")
 require("luci.util")
 require("luci.fs")
+require("luci.ip")
 
 --- Invoke the luci-flash executable to write an image to the flash memory.
 -- @param kpattern	Pattern of files to keep over flash process
@@ -183,15 +184,6 @@ function net.arptable()
 	return _parse_delimited_table(io.lines("/proc/net/arp"), "%s%s+")
 end
 
---- Test whether an IP-Adress belongs to a certain net.
--- @param ip		IPv4 address to test
--- @param ipnet		IPv4 network address of the net range to compare against
--- @param prefix	Network prefix of the net range to compare against
--- @return			Boolean indicating wheather the ip is within the range
-function net.belongs(ip, ipnet, prefix)
-	return (net.ip4bin(ip):sub(1, prefix) == net.ip4bin(ipnet):sub(1, prefix))
-end
-
 --- Determine the current default route.
 -- @return	Table with the properties of the current default route.
 --			The following fields are defined:
@@ -235,19 +227,6 @@ function net.ip4mac(ip)
 	return mac
 end
 
---- Calculate the prefix from a given netmask.
--- @param mask	IPv4 net mask
--- @return		Number containing the corresponding numerical prefix
-function net.mask4prefix(mask)
-	local bin = net.ip4bin(mask)
-
-	if not bin then
-		return nil
-	end
-
-	return #luci.util.split(bin, "1")-1
-end
-
 --- Returns the current kernel routing table entries.
 -- @return	Table of tables with properties of the corresponding routes.
 --			The following fields are defined for route entry tables:
@@ -257,54 +236,6 @@ function net.routes()
 	return _parse_delimited_table(io.lines("/proc/net/route"))
 end
 
---- Convert hexadecimal 32 bit value to IPv4 address.
--- @param hex	String containing the hexadecimal value
--- @param be	Boolean indicating wheather the given value is big endian
--- @return		String containing the corresponding IP4 address
-function net.hexip4(hex, be)
-	if #hex ~= 8 then
-		return nil
-	end
-
-	be = be or luci.util.bigendian()
-
-	local hexdec = luci.bits.Hex2Dec
-
-	local ip = ""
-	if be then
-		ip = ip .. tostring(hexdec(hex:sub(1,2))) .. "."
-		ip = ip .. tostring(hexdec(hex:sub(3,4))) .. "."
-		ip = ip .. tostring(hexdec(hex:sub(5,6))) .. "."
-		ip = ip .. tostring(hexdec(hex:sub(7,8)))
-	else
-		ip = ip .. tostring(hexdec(hex:sub(7,8))) .. "."
-		ip = ip .. tostring(hexdec(hex:sub(5,6))) .. "."
-		ip = ip .. tostring(hexdec(hex:sub(3,4))) .. "."
-		ip = ip .. tostring(hexdec(hex:sub(1,2)))
-	end
-
-	return ip
-end
-
---- Convert given IPv4 address to binary value.
--- @param ip	String containing a IPv4 address
--- @return		String containing corresponding binary value
-function net.ip4bin(ip)
-	local parts = luci.util.split(ip, '.')
-	if #parts ~= 4 then
-		return nil
-	end
-
-	local decbin = luci.bits.Dec2Bin
-
-	local bin = ""
-	bin = bin .. decbin(parts[1], 8)
-	bin = bin .. decbin(parts[2], 8)
-	bin = bin .. decbin(parts[3], 8)
-	bin = bin .. decbin(parts[4], 8)
-
-	return bin
-end
 
 --- Tests whether the given host responds to ping probes.
 -- @param host	String containing a hostname or IPv4 address

modules/admin-full/luasrc/view/admin_status/routes.htm

@@ -30,9 +30,9 @@ local routes = luci.sys.net.routes()
 for i, r in pairs(routes) do
 %>
 <tr>
-<td><%=luci.sys.net.hexip4(r.Destination)%></td>
-<td><%=luci.sys.net.hexip4(r.Mask)%></td>
-<td><%=luci.sys.net.hexip4(r.Gateway)%></td>
+<td><%=luci.ip.Hex(r.Destination, 32):string()%></td>
+<td><%=luci.ip.Hex(r.Mask, 32):string()%></td>
+<td><%=luci.ip.Hex(r.Gateway, 32):string()%></td>
 <td><%=r.Metric%></td>
 <td><%=r.Iface%></td>
 </tr>

modules/freifunk/luasrc/controller/freifunk/luciinfo.lua

@@ -28,7 +28,7 @@ function action_index()
 	-- Sysinfo
 	local s, m, r = luci.sys.sysinfo()
 	local dr = luci.sys.net.defaultroute()
-	dr = dr and luci.sys.net.hexip4(dr.Gateway) or ""
+	dr = dr and luci.ip.Hex(dr.Gateway, 32, luci.ip.FAMILY_INET4):string()
 	local l1, l5, l15 = luci.sys.loadavg()
 	
 	luci.http.write("sysinfo.system=" .. sanitize(s) .. "\n")
@@ -38,7 +38,7 @@ function action_index()
 	luci.http.write("sysinfo.load1=" .. tostring(l1) .. "\n")
 	luci.http.write("sysinfo.load5=" .. tostring(l5) .. "\n")
 	luci.http.write("sysinfo.load15=" .. tostring(l15) .. "\n")
-	luci.http.write("sysinfo.defaultgw=" .. dr .. "\n")
+	luci.http.write("sysinfo.defaultgw=" .. dr or "" .. "\n")
 
 	
 	-- Freifunk

modules/freifunk/luasrc/view/public_status/index.htm

@@ -88,7 +88,7 @@ $Id$
 for i, rt in pairs(routes) do
 %>
 <tr>
-<td><%=luci.sys.net.hexip4(rt.Gateway)%></th>
+<td><%=luci.ip.Hex(rt.Gateway, 32):string()%></th>
 <td><%=rt.Metric%></th>
 <td><%=rt.Iface%></th>
 </tr>