* Added experimental version of DHCP-Splash for Kamikaze

* Added MAC-Address matching to luci_fw
* Added interface alias hack for Kamikaze
* ffluci.sys: Added several networking helper functions
* ffluci.http: Added function remote_addr
* Updated Haserl to 0.9.24

3 files changed, 49 insertions, 12 deletions

diff --git a/core/contrib/hotplug.d-20-aliases b/core/contrib/hotplug.d-20-aliases
new file mode 100644
index 000000000..b9986e3aa
--- /dev/null
+++ b/core/contrib/hotplug.d-20-aliases
@@ -0,0 +1,24 @@
+add_aliases() {
+        local config="$1"
+
+        config_get base "$INTERFACE" ifname
+        config_get iface "$config" ifname
+        config_get ipaddr "$config" ipaddr
+        config_get auto "$config" auto
+
+        [ "${iface%%:*}" == "$base" -a "$iface" != "$base" ] && {
+                case "$auto" in
+                        1|on|enabled) setup_interface "$iface" "$config";;
+                        *) return 1;;
+                esac
+        }
+}
+
+
+case "$ACTION" in
+        ifup)
+                include /lib/network
+                scan_interfaces
+                config_foreach "add_aliases" interface
+        ;;
+esac
diff --git a/core/src/ffluci/http.lua b/core/src/ffluci/http.lua
index 06e1c43bd..44d1a925c 100644
--- a/core/src/ffluci/http.lua
+++ b/core/src/ffluci/http.lua
@@ -59,6 +59,12 @@ function request_redirect(category, module, action, ...)
 end
 
 
+-- Returns the User's IP
+function remote_addr()
+	return ENV.REMOTE_ADDR
+end
+
+
 -- Returns the script name
 function script_name()
 	return ENV.SCRIPT_NAME
diff --git a/core/src/ffluci/sys.lua b/core/src/ffluci/sys.lua
index 44855f8ef..77d45cfb7 100644
--- a/core/src/ffluci/sys.lua
+++ b/core/src/ffluci/sys.lua
@@ -115,18 +115,14 @@ group = {}
 group.getgroup = posix.getgroup
 
 net = {}
+-- Returns the ARP-Table
+function net.arptable()
+	return _parse_delimited_table(io.lines("/proc/net/arp"), "%s%s+")
+end
+
 -- Returns whether an IP-Adress belongs to a certain net
-function net.belongs(ip, net)
-	local netparts = ffluci.util.split(net, "/")
-	
-	if #netparts ~= 2 then
-		return nil
-	end
-	
-	local binadr = net.ip4bin(ip)
-	local binnet = net.ip4bin(netparts[1])
-	
-	return (binadr:sub(1, netparts[2]) == binnet:sub(1, netparts[2]))
+function net.belongs(ip, net, prefix)
+	return (net.ip4bin(ip):sub(1, prefix) == net.ip4bin(net):sub(1, prefix))
 end
 
 -- Returns all available network interfaces
@@ -138,6 +134,17 @@ function net.devices()
 	return devices
 end
 
+-- Returns the prefix to a given netmask
+function net.mask4prefix(mask)
+	local bin = net.ip4bin(mask)
+	
+	if not bin then
+		return nil
+	end
+	
+	return #ffluci.util.split(bin, "1")-1
+end
+
 -- Returns the kernel routing table
 function net.routes()
 	return _parse_delimited_table(io.lines("/proc/net/route"))
@@ -267,7 +274,7 @@ end
 -- Internal functions
 
 function _parse_delimited_table(iter, delimiter)
-	delimiter = delimiter or "\t+"
+	delimiter = delimiter or "%s+"
 	
 	local data  = {}
 	local trim  = ffluci.util.trim