add layer7 patterns to iptables-mod-filter

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2519 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/iptables/files/l7/edonkey.pat

@@ -0,0 +1,29 @@
+# eDonkey2000 - P2P filesharing - http://edonkey2000.com
+# Pattern quality: good veryfast overmatch
+#
+# Please post to l7-filter-developers@lists.sf.net as to whether this pattern 
+# works for you or not.  If you believe it could be improved please post your 
+# suggestions to that list as well. You may subscribe to this list at 
+# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
+
+# Thanks to Matt Skidmore <fox AT woozle.org>
+
+edonkey
+
+# http://gd.tuwien.ac.at/opsys/linux/sf/p/pdonkey/eDonkey-protocol-0.6
+#
+# In addition to \xe3, \xc5 and \xd4, I see a lot of \xe5
+#
+# God this is a mess.  What an irritating protocol.  
+# This will match about 1% of streams with random data in them!
+
+^[\xe3\xc5\xe5\xd4](....)?([\x01\x02\x05\x14\x15\x16\x18\x19\x1a\x1b\x1c\x20\x21\x32\x33\x34\x35\x36\x38\x40\x41\x42\x43\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f\x50\x51\x52\x53\x54\x55\x56\x57\x58\x5b\x5c\x60\x81\x82\x90\x91\x93\x96\x97\x98\x99\x9a\x9b\x9c\x9e\xa0\xa1\xa2\xa3\xa4]|\x59................?[ -~]|\x96....$)
+
+# matches everything and too much 
+# ^(\xe3|\xc5|\xd4)
+
+# ipp2p essentially uses "\xe3....\x47", which doesn't seem at all right to me.
+
+# bandwidtharbitrator uses 
+# e0.*@.*6[a-z].*p$|e0.*@.*[a-z]6[a-z].*p0$|e.*@.*[0-9]6.*p$|emule|edonkey
+# no comments to explain what all the mush is, of course...