Openwrt/package/iptables/patches/01-ipp2p-0.8.1rc1.patch

diff -urN iptables.old/extensions/Makefile iptables.dev/extensions/Makefile
--- iptables.old/extensions/Makefile	2005-07-20 04:22:56.000000000 +0200
+++ iptables.dev/extensions/Makefile	2006-03-23 14:42:28.000000000 +0100
@@ -8,6 +8,10 @@
 PF_EXT_SLIB:=ah addrtype comment connlimit connmark conntrack dscp ecn esp hashlimit helper icmp iprange length limit mac mark multiport owner physdev pkttype realm rpc sctp standard state tcp tcpmss tos ttl udp unclean CLASSIFY CONNMARK DNAT DSCP ECN LOG MARK MASQUERADE MIRROR NETMAP NFQUEUE NOTRACK REDIRECT REJECT SAME SNAT TARPIT TCPMSS TOS TRACE TTL ULOG
 PF6_EXT_SLIB:=eui64 hl icmpv6 length limit mac mark multiport owner physdev standard tcp udp HL LOG NFQUEUE MARK TRACE
 
+
+# ipp2p
+PF_EXT_SLIB += ipp2p
+
 # Optionals
 PF_EXT_SLIB_OPTS:=$(foreach T,$(wildcard extensions/.*-test),$(shell KERNEL_DIR=$(KERNEL_DIR) $(T)))
 PF6_EXT_SLIB_OPTS:=$(foreach T,$(wildcard extensions/.*-test6),$(shell KERNEL_DIR=$(KERNEL_DIR) $(T)))
diff -urN iptables.old/extensions/libipt_ipp2p.c iptables.dev/extensions/libipt_ipp2p.c
--- iptables.old/extensions/libipt_ipp2p.c	1970-01-01 01:00:00.000000000 +0100
+++ iptables.dev/extensions/libipt_ipp2p.c	2006-03-23 14:43:26.000000000 +0100
@@ -0,0 +1,401 @@
+
+#include <stdio.h>
+#include <netdb.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <ctype.h>
+
+#include <iptables.h>
+
+#include <linux/netfilter_ipv4/ipt_ipp2p.h>
+
+static void
+help(void)
+{
+    printf(
+    "IPP2P v%s options:\n"
+    " --ipp2p	Grab all known p2p packets\n"
+    " --edk		[TCP&UDP]	All known eDonkey/eMule/Overnet packets\n"
+    " --dc		[TCP] 		All known Direct Connect packets\n"
+    " --kazaa	[TCP&UDP] 	All known KaZaA packets\n"
+    " --gnu		[TCP&UDP]	All known Gnutella packets\n"
+    " --bit		[TCP&UDP]	All known BitTorrent packets\n"
+    " --apple	[TCP] 		All known AppleJuice packets\n"
+    " --winmx	[TCP] 		All known WinMX\n"
+    " --soul		[TCP] 		All known SoulSeek\n"
+    " --ares		[TCP] 		All known Ares\n\n"
+    " EXPERIMENTAL protocols (please send feedback to: ipp2p@ipp2p.org) :\n"
+    " --mute		[TCP]		All known Mute packets\n"
+    " --waste	[TCP]		All known Waste packets\n"
+    " --xdcc		[TCP]		All known XDCC packets (only xdcc login)\n\n"
+    " DEBUG SUPPPORT, use only if you know why\n"
+    " --debug		Generate kernel debug output, THIS WILL SLOW DOWN THE FILTER\n"
+    "\nNote that the follwing options will have the same meaning:\n"
+    " '--ipp2p' is equal to '--edk --dc --kazaa --gnu --bit --apple --winmx --soul --ares'\n"
+    "\nIPP2P was intended for TCP only. Due to increasing usage of UDP we needed to change this.\n"
+    "You can now use -p udp to search UDP packets only or without -p switch to search UDP and TCP packets.\n"
+    "\nSee README included with this package for more details or visit http://www.ipp2p.org\n"
+    "\nExamples:\n"
+    " iptables -A FORWARD -m ipp2p --ipp2p -j MARK --set-mark 0x01\n"
+    " iptables -A FORWARD -p udp -m ipp2p --kazaa --bit -j DROP\n"
+    " iptables -A FORWARD -p tcp -m ipp2p --edk --soul -j DROP\n\n"
+    , IPP2P_VERSION);
+}
+
+static struct option opts[] = {
+        { "ipp2p", 0, 0, '1' },
+        { "edk", 0, 0, '2' },	
+	{ "dc", 0, 0, '7' },
+	{ "gnu", 0, 0, '9' },
+	{ "kazaa", 0, 0, 'a' },
+	{ "bit", 0, 0, 'b' },
+	{ "apple", 0, 0, 'c' },	
+	{ "soul", 0, 0, 'd' },	
+	{ "winmx", 0, 0, 'e' },	
+	{ "ares", 0, 0, 'f' },
+	{ "mute", 0, 0, 'g' },
+	{ "waste", 0, 0, 'h' },
+	{ "xdcc", 0, 0, 'i' },
+	{ "debug", 0, 0, 'j' },
+        {0}
+};
+
+	
+
+static void
+init(struct ipt_entry_match *m, unsigned int *nfcache)
+{
+    struct ipt_p2p_info *info = (struct ipt_p2p_info *)m->data;
+
+    *nfcache |= NFC_UNKNOWN;
+
+    /*init the module with default values*/
+    info->cmd = 0;
+    info->debug = 0;
+
+}
+	
+
+static int
+parse(int c, char **argv, int invert, unsigned int *flags,
+	const struct ipt_entry *entry,
+	unsigned int *nfcache,
+	struct ipt_entry_match **match)
+{
+    struct ipt_p2p_info *info = (struct ipt_p2p_info *)(*match)->data;
+    
+    switch (c) {
+	case '1':		/*cmd: ipp2p*/
+	    if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p' may only be "
+				"specified once!");
+/*	    if ((*flags & SHORT_HAND_DATA) == SHORT_HAND_DATA)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p-data' may only be "
+				"specified alone!");*/
+	    if ((*flags) != 0)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p' may only be "
+				"specified alone!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+	    *flags += SHORT_HAND_IPP2P;
+	    info->cmd = *flags;
+	    break;
+	    
+	case '2':		/*cmd: edk*/
+	    if ((*flags & IPP2P_EDK) == IPP2P_EDK)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--edk' may only be "
+				"specified once");
+	    if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p' may only be "
+				"specified alone!");
+/*	    if ((*flags & SHORT_HAND_DATA) == SHORT_HAND_DATA)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p-data' may only be "
+				"specified alone!");*/
+            if ((*flags & IPP2P_DATA_EDK) == IPP2P_DATA_EDK)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: use `--edk' OR `--edk-data' but not both of them!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+	    *flags += IPP2P_EDK;
+	    info->cmd = *flags;	    
+	    break;
+
+
+	case '7':		/*cmd: dc*/
+            if ((*flags & IPP2P_DC) == IPP2P_DC)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: `--dc' may only be "
+                                "specified once!");
+	    if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p' may only be "
+				"specified alone!");
+/*	    if ((*flags & SHORT_HAND_DATA) == SHORT_HAND_DATA)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p-data' may only be "
+				"specified alone!");*/
+            if ((*flags & IPP2P_DATA_DC) == IPP2P_DATA_DC)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: use `--dc' OR `--dc-data' but not both of them!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+            *flags += IPP2P_DC;
+	    info->cmd = *flags;
+	    break;
+
+
+	case '9':		/*cmd: gnu*/
+            if ((*flags & IPP2P_GNU) == IPP2P_GNU)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: `--gnu' may only be "
+                                "specified once!");
+/*	    if ((*flags & SHORT_HAND_DATA) == SHORT_HAND_DATA)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p-data' may only be "
+				"specified alone!");*/
+	    if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p' may only be "
+				"specified alone!");
+            if ((*flags & IPP2P_DATA_GNU) == IPP2P_DATA_GNU)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: use `--gnu' OR `--gnu-data' but not both of them!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+            *flags += IPP2P_GNU;
+	    info->cmd = *flags;
+	    break;
+
+	case 'a':		/*cmd: kazaa*/
+            if ((*flags & IPP2P_KAZAA) == IPP2P_KAZAA)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: `--kazaa' may only be "
+                                "specified once!");
+/*	    if ((*flags & SHORT_HAND_DATA) == SHORT_HAND_DATA)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p-data' may only be "
+				"specified alone!");*/
+	    if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p' may only be "
+				"specified alone!");
+            if ((*flags & IPP2P_DATA_KAZAA) == IPP2P_DATA_KAZAA)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: use `--kazaa' OR `--kazaa-data' but not both of them!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+            *flags += IPP2P_KAZAA;
+	    info->cmd = *flags;
+	    break;																											
+
+	case 'b':		/*cmd: bit*/
+            if ((*flags & IPP2P_BIT) == IPP2P_BIT)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: `--bit' may only be "
+                                "specified once!");
+	    if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p' may only be "
+				"specified alone!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+            *flags += IPP2P_BIT;
+	    info->cmd = *flags;
+	    break;																											
+
+	case 'c':		/*cmd: apple*/
+            if ((*flags & IPP2P_APPLE) == IPP2P_APPLE)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: `--apple' may only be "
+                                "specified once!");
+	    if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p' may only be "
+				"specified alone!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+            *flags += IPP2P_APPLE;
+	    info->cmd = *flags;
+	    break;																											
+
+
+	case 'd':		/*cmd: soul*/
+            if ((*flags & IPP2P_SOUL) == IPP2P_SOUL)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: `--soul' may only be "
+                                "specified once!");
+	    if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p' may only be "
+				"specified alone!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+            *flags += IPP2P_SOUL;
+	    info->cmd = *flags;
+	    break;																											
+
+
+	case 'e':		/*cmd: winmx*/
+            if ((*flags & IPP2P_WINMX) == IPP2P_WINMX)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: `--winmx' may only be "
+                                "specified once!");
+	    if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p' may only be "
+				"specified alone!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+            *flags += IPP2P_WINMX;
+	    info->cmd = *flags;
+	    break;																											
+
+	case 'f':		/*cmd: ares*/
+            if ((*flags & IPP2P_ARES) == IPP2P_ARES)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: `--ares' may only be "
+                                "specified once!");
+	    if ((*flags & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P)
+		    exit_error(PARAMETER_PROBLEM,
+				"ipp2p: `--ipp2p' may only be "
+				"specified alone!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+            *flags += IPP2P_ARES;
+	    info->cmd = *flags;
+	    break;																											
+	
+	case 'g':		/*cmd: mute*/
+            if ((*flags & IPP2P_MUTE) == IPP2P_MUTE)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: `--mute' may only be "
+                                "specified once!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+            *flags += IPP2P_MUTE;
+	    info->cmd = *flags;
+	    break;																											
+	case 'h':		/*cmd: waste*/
+            if ((*flags & IPP2P_WASTE) == IPP2P_WASTE)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: `--waste' may only be "
+                                "specified once!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+            *flags += IPP2P_WASTE;
+	    info->cmd = *flags;
+	    break;																											
+	case 'i':		/*cmd: xdcc*/
+            if ((*flags & IPP2P_XDCC) == IPP2P_XDCC)
+            exit_error(PARAMETER_PROBLEM,
+                                "ipp2p: `--ares' may only be "
+                                "specified once!");
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+            *flags += IPP2P_XDCC;
+	    info->cmd = *flags;
+	    break;																											
+
+	case 'j':		/*cmd: debug*/
+	    if (invert) exit_error(PARAMETER_PROBLEM, "ipp2p: invert [!] is not allowed!");
+	    info->debug = 1;
+	    break;																											
+
+	default:
+//            exit_error(PARAMETER_PROBLEM,
+//	    "\nipp2p-parameter problem: for ipp2p usage type: iptables -m ipp2p --help\n");
+	    return 0;
+    }
+    return 1;
+}
+
+
+static void
+final_check(unsigned int flags)
+{
+    if (!flags)
+            exit_error(PARAMETER_PROBLEM,
+	    "\nipp2p-parameter problem: for ipp2p usage type: iptables -m ipp2p --help\n");
+}
+
+
+
+static void
+print(const struct ipt_ip *ip,
+        const struct ipt_entry_match *match,
+	int numeric)
+{
+    struct ipt_p2p_info *info = (struct ipt_p2p_info *)match->data;
+    
+    printf("ipp2p v%s", IPP2P_VERSION);
+    if ((info->cmd & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) printf(" --ipp2p");
+//    if ((info->cmd & SHORT_HAND_DATA) == SHORT_HAND_DATA) printf(" --ipp2p-data");
+    if ((info->cmd & IPP2P_KAZAA) == IPP2P_KAZAA) printf(" --kazaa");
+//    if ((info->cmd & IPP2P_DATA_KAZAA) == IPP2P_DATA_KAZAA) printf(" --kazaa-data");
+//    if ((info->cmd & IPP2P_DATA_GNU) == IPP2P_DATA_GNU) printf(" --gnu-data");
+    if ((info->cmd & IPP2P_GNU) == IPP2P_GNU) printf(" --gnu");
+    if ((info->cmd & IPP2P_EDK) == IPP2P_EDK) printf(" --edk");
+//    if ((info->cmd & IPP2P_DATA_EDK) == IPP2P_DATA_EDK) printf(" --edk-data");
+//    if ((info->cmd & IPP2P_DATA_DC) == IPP2P_DATA_DC) printf(" --dc-data");
+    if ((info->cmd & IPP2P_DC) == IPP2P_DC) printf(" --dc");
+    if ((info->cmd & IPP2P_BIT) == IPP2P_BIT) printf(" --bit");
+    if ((info->cmd & IPP2P_APPLE) == IPP2P_APPLE) printf(" --apple");
+    if ((info->cmd & IPP2P_SOUL) == IPP2P_SOUL) printf(" --soul");
+    if ((info->cmd & IPP2P_WINMX) == IPP2P_WINMX) printf(" --winmx");
+    if ((info->cmd & IPP2P_ARES) == IPP2P_ARES) printf(" --ares");
+    if ((info->cmd & IPP2P_MUTE) == IPP2P_MUTE) printf(" --mute");
+    if ((info->cmd & IPP2P_WASTE) == IPP2P_WASTE) printf(" --waste");
+    if ((info->cmd & IPP2P_XDCC) == IPP2P_XDCC) printf(" --xdcc");
+    if (info->debug != 0) printf(" --debug");
+    printf(" ");
+}
+			    						   
+
+
+static void
+save(const struct ipt_ip *ip, const struct ipt_entry_match *match)
+{
+    struct ipt_p2p_info *info = (struct ipt_p2p_info *)match->data;
+    
+    if ((info->cmd & SHORT_HAND_IPP2P) == SHORT_HAND_IPP2P) printf("--ipp2p ");
+//    if ((info->cmd & SHORT_HAND_DATA) == SHORT_HAND_DATA) printf("--ipp2p-data ");
+    if ((info->cmd & IPP2P_KAZAA) == IPP2P_KAZAA) printf("--kazaa ");
+//    if ((info->cmd & IPP2P_DATA_KAZAA) == IPP2P_DATA_KAZAA) printf("--kazaa-data ");
+//    if ((info->cmd & IPP2P_DATA_GNU) == IPP2P_DATA_GNU) printf("--gnu-data ");
+    if ((info->cmd & IPP2P_GNU) == IPP2P_GNU) printf("--gnu ");
+    if ((info->cmd & IPP2P_EDK) == IPP2P_EDK) printf("--edk ");
+//    if ((info->cmd & IPP2P_DATA_EDK) == IPP2P_DATA_EDK) printf("--edk-data ");
+//    if ((info->cmd & IPP2P_DATA_DC) == IPP2P_DATA_DC) printf("--dc-data ");
+    if ((info->cmd & IPP2P_DC) == IPP2P_DC) printf("--dc ");
+    if ((info->cmd & IPP2P_BIT) == IPP2P_BIT) printf("--bit ");
+    if ((info->cmd & IPP2P_APPLE) == IPP2P_APPLE) printf("--apple ");
+    if ((info->cmd & IPP2P_SOUL) == IPP2P_SOUL) printf("--soul ");
+    if ((info->cmd & IPP2P_WINMX) == IPP2P_WINMX) printf("--winmx ");
+    if ((info->cmd & IPP2P_ARES) == IPP2P_ARES) printf("--ares ");
+    if ((info->cmd & IPP2P_MUTE) == IPP2P_MUTE) printf(" --mute");
+    if ((info->cmd & IPP2P_WASTE) == IPP2P_WASTE) printf(" --waste");
+    if ((info->cmd & IPP2P_XDCC) == IPP2P_XDCC) printf(" --xdcc");
+    if (info->debug != 0) printf("--debug ");
+}
+
+		
+
+
+static 
+struct iptables_match ipp2p= 
+{ 
+    .next           = NULL,
+    .name           = "ipp2p",
+    .version        = IPTABLES_VERSION,
+    .size           = IPT_ALIGN(sizeof(struct ipt_p2p_info)),
+    .userspacesize  = IPT_ALIGN(sizeof(struct ipt_p2p_info)),
+    .help           = &help,
+    .init           = &init,
+    .parse          = &parse,
+    .final_check    = &final_check,
+    .print          = &print,
+    .save           = &save,
+    .extra_opts     = opts
+};
+					    
+
+
+void _init(void)
+{
+    register_match(&ipp2p);
+}
+
diff -urN iptables.old/include/linux/netfilter_ipv4/ipt_ipp2p.h iptables.dev/include/linux/netfilter_ipv4/ipt_ipp2p.h
--- iptables.old/include/linux/netfilter_ipv4/ipt_ipp2p.h	1970-01-01 01:00:00.000000000 +0100
+++ iptables.dev/include/linux/netfilter_ipv4/ipt_ipp2p.h	2006-03-23 14:44:26.000000000 +0100
@@ -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)