remove support for ipp2p - it's unmaintained, broken, overmatching and undermatching => not that useful for QoS

SVN-Revision: 14596

1 files changed, 0 insertions, 919 deletions

diff --git a/target/linux/generic-2.6/patches-2.6.28/110-ipp2p_0.8.1rc1.patch b/target/linux/generic-2.6/patches-2.6.28/110-ipp2p_0.8.1rc1.patch
deleted file mode 100644
index cacc5c1d52..0000000000
--- a/target/linux/generic-2.6/patches-2.6.28/110-ipp2p_0.8.1rc1.patch
+++ /dev/null
@@ -1,919 +0,0 @@
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_ipp2p.h
-@@ -0,0 +1,31 @@
-+#ifndef __IPT_IPP2P_H
-+#define __IPT_IPP2P_H
-+#define IPP2P_VERSION "0.8.1_rc1"
-+
-+struct ipt_p2p_info {
-+    int cmd;
-+    int debug;
-+};
-+
-+#endif //__IPT_IPP2P_H
-+
-+#define SHORT_HAND_IPP2P	1 /* --ipp2p switch*/
-+//#define SHORT_HAND_DATA		4 /* --ipp2p-data switch*/
-+#define SHORT_HAND_NONE		5 /* no short hand*/
-+
-+#define IPP2P_EDK		(1 << 1)
-+#define IPP2P_DATA_KAZAA	(1 << 2)
-+#define IPP2P_DATA_EDK		(1 << 3)
-+#define IPP2P_DATA_DC		(1 << 4)
-+#define IPP2P_DC		(1 << 5)
-+#define IPP2P_DATA_GNU		(1 << 6)
-+#define IPP2P_GNU		(1 << 7)
-+#define IPP2P_KAZAA		(1 << 8)
-+#define IPP2P_BIT		(1 << 9)
-+#define IPP2P_APPLE		(1 << 10)
-+#define IPP2P_SOUL		(1 << 11)
-+#define IPP2P_WINMX		(1 << 12)
-+#define IPP2P_ARES		(1 << 13)
-+#define IPP2P_MUTE		(1 << 14)
-+#define IPP2P_WASTE		(1 << 15)
-+#define IPP2P_XDCC		(1 << 16)
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_ipp2p.c
-@@ -0,0 +1,856 @@
-+#if defined(MODVERSIONS)
-+#include <linux/modversions.h>
-+#endif
-+#include <linux/module.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/version.h>
-+#include <linux/netfilter_ipv4/ipt_ipp2p.h>
-+#include <net/tcp.h>
-+#include <net/udp.h>
-+
-+#define get_u8(X,O)  (*(__u8 *)(X + O))
-+#define get_u16(X,O)  (*(__u16 *)(X + O))
-+#define get_u32(X,O)  (*(__u32 *)(X + O))
-+
-+MODULE_AUTHOR("Eicke Friedrich/Klaus Degner <ipp2p@ipp2p.org>");
-+MODULE_DESCRIPTION("An extension to iptables to identify P2P traffic.");
-+MODULE_LICENSE("GPL");
-+
-+
-+/*Search for UDP eDonkey/eMule/Kad commands*/
-+int
-+udp_search_edk (unsigned char *haystack, int packet_len)
-+{
-+    unsigned char *t = haystack;
-+    t += 8;
-+
-+	switch (t[0]) {
-+		case 0xe3:
-+		{	/*edonkey*/
-+			switch (t[1])
-+			{
-+				/* client -> server status request */
-+				case 0x96:
-+					if (packet_len == 14) return ((IPP2P_EDK * 100) + 50);
-+					break;
-+				/* server -> client status request */
-+				case 0x97: if (packet_len == 42) return ((IPP2P_EDK * 100) + 51);
-+					break;
-+						/* server description request */
-+						/* e3 2a ff f0 .. | size == 6 */
-+				case 0xa2: if ( (packet_len == 14) && ( get_u16(t,2) == __constant_htons(0xfff0) ) ) return ((IPP2P_EDK * 100) + 52);
-+					break;
-+						/* server description response */
-+						/* e3 a3 ff f0 ..  | size > 40 && size < 200 */
-+				//case 0xa3: return ((IPP2P_EDK * 100) + 53);
-+				//	break;
-+				case 0x9a: if (packet_len==26) return ((IPP2P_EDK * 100) + 54);
-+					break;
-+
-+				case 0x92: if (packet_len==18) return ((IPP2P_EDK * 100) + 55);
-+					break;
-+			}
-+			break;
-+		}
-+		case 0xe4:
-+		{
-+			switch (t[1])
-+			{
-+						/* e4 20 .. | size == 43 */
-+				case 0x20: if ((packet_len == 43) && (t[2] != 0x00) && (t[34] != 0x00)) return ((IPP2P_EDK * 100) + 60);
-+					break;
-+						/* e4 00 .. 00 | size == 35 ? */
-+				case 0x00: if ((packet_len == 35) && (t[26] == 0x00)) return ((IPP2P_EDK * 100) + 61);
-+					break;
-+						/* e4 10 .. 00 | size == 35 ? */
-+				case 0x10: if ((packet_len == 35) && (t[26] == 0x00)) return ((IPP2P_EDK * 100) + 62);
-+					break;
-+						/* e4 18 .. 00 | size == 35 ? */
-+				case 0x18: if ((packet_len == 35) && (t[26] == 0x00)) return ((IPP2P_EDK * 100) + 63);
-+					break;
-+						/* e4 52 .. | size = 44 */
-+				case 0x52: if (packet_len == 44 ) return ((IPP2P_EDK * 100) + 64);
-+					break;
-+						/* e4 58 .. | size == 6 */
-+				case 0x58: if (packet_len == 14 ) return ((IPP2P_EDK * 100) + 65);
-+					break;
-+						/* e4 59 .. | size == 2 */
-+				case 0x59: if (packet_len == 10 )return ((IPP2P_EDK * 100) + 66);
-+					break;
-+					/* e4 28 .. | packet_len == 52,77,102,127... */
-+				case 0x28: if (((packet_len-52) % 25) == 0) return ((IPP2P_EDK * 100) + 67);
-+					break;
-+					/* e4 50 xx xx | size == 4 */
-+				case 0x50: if (packet_len == 12) return ((IPP2P_EDK * 100) + 68);
-+					break;
-+					/* e4 40 xx xx | size == 48 */
-+				case 0x40: if (packet_len == 56) return ((IPP2P_EDK * 100) + 69);
-+					break;
-+			}
-+			break;
-+		}
-+	} /* end of switch (t[0]) */
-+    return 0;
-+}/*udp_search_edk*/
-+
-+
-+/*Search for UDP Gnutella commands*/
-+int
-+udp_search_gnu (unsigned char *haystack, int packet_len)
-+{
-+    unsigned char *t = haystack;
-+    t += 8;
-+
-+    if (memcmp(t, "GND", 3) == 0) return ((IPP2P_GNU * 100) + 51);
-+    if (memcmp(t, "GNUTELLA ", 9) == 0) return ((IPP2P_GNU * 100) + 52);
-+    return 0;
-+}/*udp_search_gnu*/
-+
-+
-+/*Search for UDP KaZaA commands*/
-+int
-+udp_search_kazaa (unsigned char *haystack, int packet_len)
-+{
-+    unsigned char *t = haystack;
-+
-+    if (t[packet_len-1] == 0x00){
-+	t += (packet_len - 6);
-+	if (memcmp(t, "KaZaA", 5) == 0) return (IPP2P_KAZAA * 100 +50);
-+    }
-+
-+    return 0;
-+}/*udp_search_kazaa*/
-+
-+/*Search for UDP DirectConnect commands*/
-+int
-+udp_search_directconnect (unsigned char *haystack, int packet_len)
-+{
-+    unsigned char *t = haystack;
-+    if ((*(t + 8) == 0x24) && (*(t + packet_len - 1) == 0x7c)) {
-+    	t+=8;
-+    	if (memcmp(t, "SR ", 3) == 0)	 		return ((IPP2P_DC * 100) + 60);
-+    	if (memcmp(t, "Ping ", 5) == 0)	 		return ((IPP2P_DC * 100) + 61);
-+    }
-+    return 0;
-+}/*udp_search_directconnect*/
-+
-+
-+
-+/*Search for UDP BitTorrent commands*/
-+int
-+udp_search_bit (unsigned char *haystack, int packet_len)
-+{
-+	switch(packet_len)
-+	{
-+		case 24:
-+			/* ^ 00 00 04 17 27 10 19 80 */
-+			if ((ntohl(get_u32(haystack, 8)) == 0x00000417) && (ntohl(get_u32(haystack, 12)) == 0x27101980))
-+				return (IPP2P_BIT * 100 + 50);
-+			break;
-+		case 44:
-+			if (get_u32(haystack, 16) == __constant_htonl(0x00000400) && get_u32(haystack, 36) == __constant_htonl(0x00000104))
-+				return (IPP2P_BIT * 100 + 51);
-+			if (get_u32(haystack, 16) == __constant_htonl(0x00000400))
-+				return (IPP2P_BIT * 100 + 61);
-+			break;
-+		case 65:
-+			if (get_u32(haystack, 16) == __constant_htonl(0x00000404) && get_u32(haystack, 36) == __constant_htonl(0x00000104))
-+				return (IPP2P_BIT * 100 + 52);
-+			if (get_u32(haystack, 16) == __constant_htonl(0x00000404))
-+				return (IPP2P_BIT * 100 + 62);
-+			break;
-+		case 67:
-+			if (get_u32(haystack, 16) == __constant_htonl(0x00000406) && get_u32(haystack, 36) == __constant_htonl(0x00000104))
-+				return (IPP2P_BIT * 100 + 53);
-+			if (get_u32(haystack, 16) == __constant_htonl(0x00000406))
-+				return (IPP2P_BIT * 100 + 63);
-+			break;
-+		case 211:
-+			if (get_u32(haystack, 8) == __constant_htonl(0x00000405))
-+				return (IPP2P_BIT * 100 + 54);
-+			break;
-+		case 29:
-+			if ((get_u32(haystack, 8) == __constant_htonl(0x00000401)))
-+				return (IPP2P_BIT * 100 + 55);
-+			break;
-+		case 52:
-+			if (get_u32(haystack,8)  == __constant_htonl(0x00000827) &&
-+			get_u32(haystack,12) == __constant_htonl(0x37502950))
-+				return (IPP2P_BIT * 100 + 80);
-+			break;
-+		default:
-+			/* this packet does not have a constant size */
-+			if (packet_len >= 40 && get_u32(haystack, 16) == __constant_htonl(0x00000402) && get_u32(haystack, 36) == __constant_htonl(0x00000104))
-+				return (IPP2P_BIT * 100 + 56);
-+			break;
-+	}
-+
-+	/* some extra-bitcomet rules:
-+	* "d1:" [a|r] "d2:id20:"
-+	*/
-+	if (packet_len > 30 && get_u8(haystack, 8) == 'd' && get_u8(haystack, 9) == '1' && get_u8(haystack, 10) == ':' )
-+	{
-+		if (get_u8(haystack, 11) == 'a' || get_u8(haystack, 11) == 'r')
-+		{
-+			if (memcmp(haystack+12,"d2:id20:",8)==0)
-+				return (IPP2P_BIT * 100 + 57);
-+		}
-+	}
-+
-+#if 0
-+	/* bitlord rules */
-+	/* packetlen must be bigger than 40 */
-+	/* first 4 bytes are zero */
-+	if (packet_len > 40 && get_u32(haystack, 8) == 0x00000000)
-+	{
-+		/* first rule: 00 00 00 00 01 00 00 xx xx xx xx 00 00 00 00*/
-+		if (get_u32(haystack, 12) == 0x00000000 &&
-+		    get_u32(haystack, 16) == 0x00010000 &&
-+		    get_u32(haystack, 24) == 0x00000000 )
-+			return (IPP2P_BIT * 100 + 71);
-+
-+		/* 00 01 00 00 0d 00 00 xx xx xx xx 00 00 00 00*/
-+		if (get_u32(haystack, 12) == 0x00000001 &&
-+		    get_u32(haystack, 16) == 0x000d0000 &&
-+		    get_u32(haystack, 24) == 0x00000000 )
-+			return (IPP2P_BIT * 100 + 71);
-+
-+
-+	}
-+#endif
-+
-+    return 0;
-+}/*udp_search_bit*/
-+
-+
-+
-+/*Search for Ares commands*/
-+//#define IPP2P_DEBUG_ARES
-+int
-+search_ares (const unsigned char *payload, const u16 plen)
-+//int search_ares (unsigned char *haystack, int packet_len, int head_len)
-+{
-+//	const unsigned char *t = haystack + head_len;
-+
-+	/* all ares packets start with  */
-+	if (payload[1] == 0 && (plen - payload[0]) == 3)
-+	{
-+		switch (payload[2])
-+		{
-+			case 0x5a:
-+				/* ares connect */
-+				if ( plen == 6 && payload[5] == 0x05 ) return ((IPP2P_ARES * 100) + 1);
-+				break;
-+			case 0x09:
-+				/* ares search, min 3 chars --> 14 bytes
-+				 * lets define a search can be up to 30 chars --> max 34 bytes
-+				 */
-+				if ( plen >= 14 && plen <= 34 ) return ((IPP2P_ARES * 100) + 1);
-+				break;
-+#ifdef IPP2P_DEBUG_ARES
-+			default:
-+			printk(KERN_DEBUG "Unknown Ares command %x recognized, len: %u \n", (unsigned int) payload[2],plen);
-+#endif /* IPP2P_DEBUG_ARES */
-+		}
-+	}
-+
-+#if 0
-+	/* found connect packet: 03 00 5a 04 03 05 */
-+	/* new version ares 1.8: 03 00 5a xx xx 05 */
-+    if ((plen) == 6){	/* possible connect command*/
-+	if ((payload[0] == 0x03) && (payload[1] == 0x00) && (payload[2] == 0x5a) && (payload[5] == 0x05))
-+	    return ((IPP2P_ARES * 100) + 1);
-+    }
-+    if ((plen) == 60){	/* possible download command*/
-+	if ((payload[59] == 0x0a) && (payload[58] == 0x0a)){
-+	    if (memcmp(t, "PUSH SHA1:", 10) == 0) /* found download command */
-+	    	return ((IPP2P_ARES * 100) + 2);
-+	}
-+    }
-+#endif
-+
-+    return 0;
-+} /*search_ares*/
-+
-+/*Search for SoulSeek commands*/
-+int
-+search_soul (const unsigned char *payload, const u16 plen)
-+{
-+//#define IPP2P_DEBUG_SOUL
-+    /* match: xx xx xx xx | xx = sizeof(payload) - 4 */
-+    if (get_u32(payload, 0) == (plen - 4)){
-+	const __u32 m=get_u32(payload, 4);
-+	/* match 00 yy yy 00, yy can be everything */
-+        if ( get_u8(payload, 4) == 0x00 && get_u8(payload, 7) == 0x00 )
-+	{
-+#ifdef IPP2P_DEBUG_SOUL
-+	printk(KERN_DEBUG "0: Soulseek command 0x%x recognized\n",get_u32(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+		return ((IPP2P_SOUL * 100) + 1);
-+	}
-+
-+        /* next match: 01 yy 00 00 | yy can be everything */
-+        if ( get_u8(payload, 4) == 0x01 && get_u16(payload, 6) == 0x0000 )
-+	{
-+#ifdef IPP2P_DEBUG_SOUL
-+	printk(KERN_DEBUG "1: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+		return ((IPP2P_SOUL * 100) + 2);
-+	}
-+
-+	/* other soulseek commandos are: 1-5,7,9,13-18,22,23,26,28,35-37,40-46,50,51,60,62-69,91,92,1001 */
-+	/* try to do this in an intelligent way */
-+	/* get all small commandos */
-+	switch(m)
-+	{
-+		case 7:
-+		case 9:
-+		case 22:
-+		case 23:
-+		case 26:
-+		case 28:
-+		case 50:
-+		case 51:
-+		case 60:
-+		case 91:
-+		case 92:
-+		case 1001:
-+#ifdef IPP2P_DEBUG_SOUL
-+		printk(KERN_DEBUG "2: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+		return ((IPP2P_SOUL * 100) + 3);
-+	}
-+
-+	if (m > 0 && m < 6 )
-+	{
-+#ifdef IPP2P_DEBUG_SOUL
-+		printk(KERN_DEBUG "3: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+		return ((IPP2P_SOUL * 100) + 4);
-+	}
-+	if (m > 12 && m < 19 )
-+	{
-+#ifdef IPP2P_DEBUG_SOUL
-+		printk(KERN_DEBUG "4: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+		return ((IPP2P_SOUL * 100) + 5);
-+	}
-+
-+	if (m > 34 && m < 38 )
-+	{
-+#ifdef IPP2P_DEBUG_SOUL
-+		printk(KERN_DEBUG "5: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+		return ((IPP2P_SOUL * 100) + 6);
-+	}
-+
-+	if (m > 39 && m < 47 )
-+	{
-+#ifdef IPP2P_DEBUG_SOUL
-+		printk(KERN_DEBUG "6: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+		return ((IPP2P_SOUL * 100) + 7);
-+	}
-+
-+	if (m > 61 && m < 70 )
-+	{
-+#ifdef IPP2P_DEBUG_SOUL
-+		printk(KERN_DEBUG "7: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+		return ((IPP2P_SOUL * 100) + 8);
-+	}
-+
-+#ifdef IPP2P_DEBUG_SOUL
-+	printk(KERN_DEBUG "unknown SOULSEEK command: 0x%x, first 16 bit: 0x%x, first 8 bit: 0x%x ,soulseek ???\n",get_u32(payload, 4),get_u16(payload, 4) >> 16,get_u8(payload, 4) >> 24);
-+#endif /* IPP2P_DEBUG_SOUL */
-+    }
-+
-+	/* match 14 00 00 00 01 yy 00 00 00 STRING(YY) 01 00 00 00 00 46|50 00 00 00 00 */
-+	/* without size at the beginning !!! */
-+	if ( get_u32(payload, 0) == 0x14 && get_u8(payload, 4) == 0x01 )
-+	{
-+		__u32 y=get_u32(payload, 5);
-+		/* we need 19 chars + string */
-+		if ( (y + 19) <= (plen) )
-+		{
-+			const unsigned char *w=payload+9+y;
-+			if (get_u32(w, 0) == 0x01 && ( get_u16(w, 4) == 0x4600 || get_u16(w, 4) == 0x5000) && get_u32(w, 6) == 0x00);
-+#ifdef IPP2P_DEBUG_SOUL
-+	    		printk(KERN_DEBUG "Soulssek special client command recognized\n");
-+#endif /* IPP2P_DEBUG_SOUL */
-+	    		return ((IPP2P_SOUL * 100) + 9);
-+		}
-+	}
-+    return 0;
-+}
-+
-+
-+/*Search for WinMX commands*/
-+int
-+search_winmx (const unsigned char *payload, const u16 plen)
-+{
-+//#define IPP2P_DEBUG_WINMX
-+    if (((plen) == 4) && (memcmp(payload, "SEND", 4) == 0))  return ((IPP2P_WINMX * 100) + 1);
-+    if (((plen) == 3) && (memcmp(payload, "GET", 3) == 0))  return ((IPP2P_WINMX * 100) + 2);
-+    //if (packet_len < (head_len + 10)) return 0;
-+    if (plen < 10) return 0;
-+
-+    if ((memcmp(payload, "SEND", 4) == 0) || (memcmp(payload, "GET", 3) == 0)){
-+        u16 c=4;
-+        const u16 end=plen-2;
-+        u8 count=0;
-+        while (c < end)
-+        {
-+        	if (payload[c]== 0x20 && payload[c+1] == 0x22)
-+        	{
-+        		c++;
-+        		count++;
-+        		if (count>=2) return ((IPP2P_WINMX * 100) + 3);
-+        	}
-+        	c++;
-+        }
-+    }
-+
-+    if ( plen == 149 && payload[0] == '8' )
-+    {
-+#ifdef IPP2P_DEBUG_WINMX
-+    	printk(KERN_INFO "maybe WinMX\n");
-+#endif
-+    	if (get_u32(payload,17) == 0 && get_u32(payload,21) == 0 && get_u32(payload,25) == 0 &&
-+//    	    get_u32(payload,33) == __constant_htonl(0x71182b1a) && get_u32(payload,37) == __constant_htonl(0x05050000) &&
-+//    	    get_u32(payload,133) == __constant_htonl(0x31097edf) && get_u32(payload,145) == __constant_htonl(0xdcb8f792))
-+    	    get_u16(payload,39) == 0 && get_u16(payload,135) == __constant_htons(0x7edf) && get_u16(payload,147) == __constant_htons(0xf792))
-+
-+    	{
-+#ifdef IPP2P_DEBUG_WINMX
-+    		printk(KERN_INFO "got WinMX\n");
-+#endif
-+    		return ((IPP2P_WINMX * 100) + 4);
-+    	}
-+    }
-+    return 0;
-+} /*search_winmx*/
-+
-+
-+/*Search for appleJuice commands*/
-+int
-+search_apple (const unsigned char *payload, const u16 plen)
-+{
-+    if ( (plen > 7) && (payload[6] == 0x0d) && (payload[7] == 0x0a) && (memcmp(payload, "ajprot", 6) == 0))  return (IPP2P_APPLE * 100);
-+
-+    return 0;
-+}
-+
-+
-+/*Search for BitTorrent commands*/
-+int
-+search_bittorrent (const unsigned char *payload, const u16 plen)
-+{
-+    if (plen > 20)
-+    {
-+	/* test for match 0x13+"BitTorrent protocol" */
-+	if (payload[0] == 0x13)
-+	{
-+		if (memcmp(payload+1, "BitTorrent protocol", 19) == 0) return (IPP2P_BIT * 100);
-+	}
-+
-+	/* get tracker commandos, all starts with GET /
-+	* then it can follow: scrape| announce
-+	* and then ?hash_info=
-+	*/
-+	if (memcmp(payload,"GET /",5) == 0)
-+	{
-+		/* message scrape */
-+		if ( memcmp(payload+5,"scrape?info_hash=",17)==0 ) return (IPP2P_BIT * 100 + 1);
-+		/* message announce */
-+		if ( memcmp(payload+5,"announce?info_hash=",19)==0 ) return (IPP2P_BIT * 100 + 2);
-+	}
-+    }
-+    else
-+    {
-+    	/* bitcomet encryptes the first packet, so we have to detect another
-+    	 * one later in the flow */
-+    	 /* first try failed, too many missdetections */
-+    	//if ( size == 5 && get_u32(t,0) == __constant_htonl(1) && t[4] < 3) return (IPP2P_BIT * 100 + 3);
-+
-+    	/* second try: block request packets */
-+    	if ( plen == 17 && get_u32(payload,0) == __constant_htonl(0x0d) && payload[4] == 0x06 && get_u32(payload,13) == __constant_htonl(0x4000) ) return (IPP2P_BIT * 100 + 3);
-+    }
-+
-+    return 0;
-+}
-+
-+
-+
-+/*check for Kazaa get command*/
-+int
-+search_kazaa (const unsigned char *payload, const u16 plen)
-+
-+{
-+    if ((payload[plen-2] == 0x0d) && (payload[plen-1] == 0x0a) && memcmp(payload, "GET /.hash=", 11) == 0)
-+	return (IPP2P_DATA_KAZAA * 100);
-+
-+    return 0;
-+}
-+
-+
-+/*check for gnutella get command*/
-+int
-+search_gnu (const unsigned char *payload, const u16 plen)
-+{
-+    if ((payload[plen-2] == 0x0d) && (payload[plen-1] == 0x0a))
-+    {
-+	if (memcmp(payload, "GET /get/", 9) == 0)	return ((IPP2P_DATA_GNU * 100) + 1);
-+	if (memcmp(payload, "GET /uri-res/", 13) == 0) return ((IPP2P_DATA_GNU * 100) + 2);
-+    }
-+    return 0;
-+}
-+
-+
-+/*check for gnutella get commands and other typical data*/
-+int
-+search_all_gnu (const unsigned char *payload, const u16 plen)
-+{
-+
-+    if ((payload[plen-2] == 0x0d) && (payload[plen-1] == 0x0a))
-+    {
-+
-+	if (memcmp(payload, "GNUTELLA CONNECT/", 17) == 0) return ((IPP2P_GNU * 100) + 1);
-+	if (memcmp(payload, "GNUTELLA/", 9) == 0) return ((IPP2P_GNU * 100) + 2);
-+
-+
-+	if ((memcmp(payload, "GET /get/", 9) == 0) || (memcmp(payload, "GET /uri-res/", 13) == 0))
-+	{
-+		u16 c=8;
-+		const u16 end=plen-22;
-+		while (c < end) {
-+			if ( payload[c] == 0x0a && payload[c+1] == 0x0d && ((memcmp(&payload[c+2], "X-Gnutella-", 11) == 0) || (memcmp(&payload[c+2], "X-Queue:", 8) == 0)))
-+				return ((IPP2P_GNU * 100) + 3);
-+			c++;
-+		}
-+	}
-+    }
-+    return 0;
-+}
-+
-+
-+/*check for KaZaA download commands and other typical data*/
-+int
-+search_all_kazaa (const unsigned char *payload, const u16 plen)
-+{
-+    if ((payload[plen-2] == 0x0d) && (payload[plen-1] == 0x0a))
-+    {
-+
-+	if (memcmp(payload, "GIVE ", 5) == 0) return ((IPP2P_KAZAA * 100) + 1);
-+
-+    	if (memcmp(payload, "GET /", 5) == 0) {
-+		u16 c = 8;
-+		const u16 end=plen-22;
-+		while (c < end) {
-+			if ( payload[c] == 0x0a && payload[c+1] == 0x0d && ((memcmp(&payload[c+2], "X-Kazaa-Username: ", 18) == 0) || (memcmp(&payload[c+2], "User-Agent: PeerEnabler/", 24) == 0)))
-+				return ((IPP2P_KAZAA * 100) + 2);
-+			c++;
-+		}
-+	}
-+    }
-+    return 0;
-+}
-+
-+/*fast check for edonkey file segment transfer command*/
-+int
-+search_edk (const unsigned char *payload, const u16 plen)
-+{
-+    if (payload[0] != 0xe3)
-+	return 0;
-+    else {
-+	if (payload[5] == 0x47)
-+	    return (IPP2P_DATA_EDK * 100);
-+	else
-+	    return 0;
-+    }
-+}
-+
-+
-+
-+/*intensive but slower search for some edonkey packets including size-check*/
-+int
-+search_all_edk (const unsigned char *payload, const u16 plen)
-+{
-+    if (payload[0] != 0xe3)
-+	return 0;
-+    else {
-+	//t += head_len;
-+	const u16 cmd = get_u16(payload, 1);
-+	if (cmd == (plen - 5)) {
-+	    switch (payload[5]) {
-+		case 0x01: return ((IPP2P_EDK * 100) + 1);	/*Client: hello or Server:hello*/
-+		case 0x4c: return ((IPP2P_EDK * 100) + 9);	/*Client: Hello-Answer*/
-+	    }
-+	}
-+	return 0;
-+     }
-+}
-+
-+
-+/*fast check for Direct Connect send command*/
-+int
-+search_dc (const unsigned char *payload, const u16 plen)
-+{
-+
-+    if (payload[0] != 0x24 )
-+	return 0;
-+    else {
-+	if (memcmp(&payload[1], "Send|", 5) == 0)
-+	    return (IPP2P_DATA_DC * 100);
-+	else
-+	    return 0;
-+    }
-+
-+}
-+
-+
-+/*intensive but slower check for all direct connect packets*/
-+int
-+search_all_dc (const unsigned char *payload, const u16 plen)
-+{
-+//    unsigned char *t = haystack;
-+
-+    if (payload[0] == 0x24 && payload[plen-1] == 0x7c)
-+    {
-+    	const unsigned char *t=&payload[1];
-+    		/* Client-Hub-Protocol */
-+	if (memcmp(t, "Lock ", 5) == 0)	 		return ((IPP2P_DC * 100) + 1);
-+	/* Client-Client-Protocol, some are already recognized by client-hub (like lock) */
-+	if (memcmp(t, "MyNick ", 7) == 0)	 	return ((IPP2P_DC * 100) + 38);
-+    }
-+    return 0;
-+}
-+
-+/*check for mute*/
-+int
-+search_mute (const unsigned char *payload, const u16 plen)
-+{
-+	if ( plen == 209 || plen == 345 || plen == 473 || plen == 609 || plen == 1121 )
-+	{
-+		//printk(KERN_DEBUG "size hit: %u",size);
-+		if (memcmp(payload,"PublicKey: ",11) == 0 )
-+		{
-+			return ((IPP2P_MUTE * 100) + 0);
-+
-+/*			if (memcmp(t+size-14,"\x0aEndPublicKey\x0a",14) == 0)
-+			{
-+				printk(KERN_DEBUG "end pubic key hit: %u",size);
-+
-+			}*/
-+		}
-+	}
-+	return 0;
-+}
-+
-+
-+/* check for xdcc */
-+int
-+search_xdcc (const unsigned char *payload, const u16 plen)
-+{
-+	/* search in small packets only */
-+	if (plen > 20 && plen < 200 && payload[plen-1] == 0x0a && payload[plen-2] == 0x0d && memcmp(payload,"PRIVMSG ",8) == 0)
-+	{
-+
-+		u16 x=10;
-+		const u16 end=plen - 13;
-+
-+		/* is seems to be a irc private massage, chedck for xdcc command */
-+		while (x < end)
-+		{
-+			if (payload[x] == ':')
-+			{
-+				if ( memcmp(&payload[x+1],"xdcc send #",11) == 0 )
-+					return ((IPP2P_XDCC * 100) + 0);
-+			}
-+			x++;
-+		}
-+	}
-+	return 0;
-+}
-+
-+/* search for waste */
-+int search_waste(const unsigned char *payload, const u16 plen)
-+{
-+	if ( plen >= 8 && memcmp(payload,"GET.sha1:",9) == 0)
-+		return ((IPP2P_WASTE * 100) + 0);
-+
-+	return 0;
-+}
-+
-+
-+static struct {
-+    int command;
-+    __u8 short_hand;			/*for fucntions included in short hands*/
-+    int packet_len;
-+    int (*function_name) (const unsigned char *, const u16);
-+} matchlist[] = {
-+    {IPP2P_EDK,SHORT_HAND_IPP2P,20, &search_all_edk},
-+//    {IPP2P_DATA_KAZAA,SHORT_HAND_DATA,200, &search_kazaa},
-+//    {IPP2P_DATA_EDK,SHORT_HAND_DATA,60, &search_edk},
-+//    {IPP2P_DATA_DC,SHORT_HAND_DATA,26, &search_dc},
-+    {IPP2P_DC,SHORT_HAND_IPP2P,5, search_all_dc},
-+//    {IPP2P_DATA_GNU,SHORT_HAND_DATA,40, &search_gnu},
-+    {IPP2P_GNU,SHORT_HAND_IPP2P,5, &search_all_gnu},
-+    {IPP2P_KAZAA,SHORT_HAND_IPP2P,5, &search_all_kazaa},
-+    {IPP2P_BIT,SHORT_HAND_IPP2P,20, &search_bittorrent},
-+    {IPP2P_APPLE,SHORT_HAND_IPP2P,5, &search_apple},
-+    {IPP2P_SOUL,SHORT_HAND_IPP2P,5, &search_soul},
-+    {IPP2P_WINMX,SHORT_HAND_IPP2P,2, &search_winmx},
-+    {IPP2P_ARES,SHORT_HAND_IPP2P,5, &search_ares},
-+    {IPP2P_MUTE,SHORT_HAND_NONE,200, &search_mute},
-+    {IPP2P_WASTE,SHORT_HAND_NONE,5, &search_waste},
-+    {IPP2P_XDCC,SHORT_HAND_NONE,5, &search_xdcc},
-+    {0,0,0,NULL}
-+};
-+
-+
-+static struct {
-+    int command;
-+    __u8 short_hand;			/*for fucntions included in short hands*/
-+    int packet_len;
-+    int (*function_name) (unsigned char *, int);
-+} udp_list[] = {
-+    {IPP2P_KAZAA,SHORT_HAND_IPP2P,14, &udp_search_kazaa},
-+    {IPP2P_BIT,SHORT_HAND_IPP2P,23, &udp_search_bit},
-+    {IPP2P_GNU,SHORT_HAND_IPP2P,11, &udp_search_gnu},
-+    {IPP2P_EDK,SHORT_HAND_IPP2P,9, &udp_search_edk},
-+    {IPP2P_DC,SHORT_HAND_IPP2P,12, &udp_search_directconnect},
-+    {0,0,0,NULL}
-+};
-+
-+
-+static bool
-+match(const struct sk_buff *skb,
-+      const struct net_device *in,
-+      const struct net_device *out,
-+      const struct xt_match *match,
-+      const void *matchinfo,
-+      int offset,
-+      unsigned int protoff,
-+      bool *hotdrop)
-+{
-+    const struct ipt_p2p_info *info = matchinfo;
-+    unsigned char  *haystack;
-+    struct iphdr *ip = ip_hdr(skb);
-+    int p2p_result = 0, i = 0;
-+//    int head_len;
-+    int hlen = ntohs(ip->tot_len)-(ip->ihl*4);	/*hlen = packet-data length*/
-+
-+    /*must not be a fragment*/
-+    if (offset) {
-+	if (info->debug) printk("IPP2P.match: offset found %i \n",offset);
-+	return 0;
-+    }
-+
-+    /*make sure that skb is linear*/
-+    if(skb_is_nonlinear(skb)){
-+	if (info->debug) printk("IPP2P.match: nonlinear skb found\n");
-+	return 0;
-+    }
-+
-+
-+    haystack=(char *)ip+(ip->ihl*4);		/*haystack = packet data*/
-+
-+    switch (ip->protocol){
-+	case IPPROTO_TCP:		/*what to do with a TCP packet*/
-+	{
-+	    struct tcphdr *tcph = (void *) ip + ip->ihl * 4;
-+
-+	    if (tcph->fin) return 0;  /*if FIN bit is set bail out*/
-+	    if (tcph->syn) return 0;  /*if SYN bit is set bail out*/
-+	    if (tcph->rst) return 0;  /*if RST bit is set bail out*/
-+
-+	    haystack += tcph->doff * 4; /*get TCP-Header-Size*/
-+	    hlen -= tcph->doff * 4;
-+	    while (matchlist[i].command) {
-+		if ((((info->cmd & matchlist[i].command) == matchlist[i].command) ||
-+		    ((info->cmd & matchlist[i].short_hand) == matchlist[i].short_hand)) &&
-+		    (hlen > matchlist[i].packet_len)) {
-+			    p2p_result = matchlist[i].function_name(haystack, hlen);
-+			    if (p2p_result)
-+			    {
-+				if (info->debug) printk("IPP2P.debug:TCP-match: %i from: %u.%u.%u.%u:%i to: %u.%u.%u.%u:%i Length: %i\n",
-+				    p2p_result, NIPQUAD(ip->saddr),ntohs(tcph->source), NIPQUAD(ip->daddr),ntohs(tcph->dest),hlen);
-+				return p2p_result;
-+    			    }
-+    		}
-+	    i++;
-+	    }
-+	    return p2p_result;
-+	}
-+
-+	case IPPROTO_UDP:		/*what to do with an UDP packet*/
-+	{
-+	    struct udphdr *udph = (void *) ip + ip->ihl * 4;
-+
-+	    while (udp_list[i].command){
-+		if ((((info->cmd & udp_list[i].command) == udp_list[i].command) ||
-+		    ((info->cmd & udp_list[i].short_hand) == udp_list[i].short_hand)) &&
-+		    (hlen > udp_list[i].packet_len)) {
-+			    p2p_result = udp_list[i].function_name(haystack, hlen);
-+			    if (p2p_result){
-+				if (info->debug) printk("IPP2P.debug:UDP-match: %i from: %u.%u.%u.%u:%i to: %u.%u.%u.%u:%i Length: %i\n",
-+				    p2p_result, NIPQUAD(ip->saddr),ntohs(udph->source), NIPQUAD(ip->daddr),ntohs(udph->dest),hlen);
-+				return p2p_result;
-+			    }
-+		}
-+	    i++;
-+	    }
-+	    return p2p_result;
-+	}
-+
-+	default: return 0;
-+    }
-+}
-+
-+
-+
-+static bool
-+checkentry(const char *tablename,
-+	    const void *ip,
-+	    const struct xt_match *match,
-+	    void *matchinfo,
-+	    unsigned int hook_mask)
-+{
-+        /* Must specify -p tcp */
-+/*    if (ip->proto != IPPROTO_TCP || (ip->invflags & IPT_INV_PROTO)) {
-+ *	printk("ipp2p: Only works on TCP packets, use -p tcp\n");
-+ *	return 0;
-+ *    }*/
-+    return 1;
-+}
-+
-+
-+
-+
-+static struct ipt_match ipp2p_match = {
-+	.name		= "ipp2p",
-+	.match		= &match,
-+	.family		= AF_INET,
-+	.matchsize	= sizeof(struct ipt_p2p_info),
-+	.checkentry	= &checkentry,
-+	.me		= THIS_MODULE,
-+};
-+
-+
-+static int __init init(void)
-+{
-+    printk(KERN_INFO "IPP2P v%s loading\n", IPP2P_VERSION);
-+    return xt_register_match(&ipp2p_match);
-+}
-+
-+static void __exit fini(void)
-+{
-+    xt_unregister_match(&ipp2p_match);
-+    printk(KERN_INFO "IPP2P v%s unloaded\n", IPP2P_VERSION);
-+}
-+
-+module_init(init);
-+module_exit(fini);
-+
-+
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -64,6 +64,12 @@ config IP_NF_IPTABLES
- if IP_NF_IPTABLES
- 
- # The matches.
-+config IP_NF_MATCH_IPP2P
-+	tristate "IPP2P"
-+	depends on NETFILTER_ADVANCED
-+	help
-+	  Module for matching traffic of various Peer-to-Peer applications
-+
- config IP_NF_MATCH_ADDRTYPE
- 	tristate '"addrtype" address type match support'
- 	depends on NETFILTER_ADVANCED
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -53,6 +53,8 @@ obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o
- obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o
- obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o
- 
-+obj-$(CONFIG_IP_NF_MATCH_IPP2P) += ipt_ipp2p.o
-+
- # targets
- obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o
- obj-$(CONFIG_IP_NF_TARGET_ECN) += ipt_ECN.o