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openwrt/package/iptables/patches/1.3.8/001-ipp2p_0.8.1rc1.patch

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Index: iptables-1.3.8/extensions/Makefile
===================================================================
--- iptables-1.3.8.orig/extensions/Makefile
+++ iptables-1.3.8/extensions/Makefile
@@ -13,6 +13,10 @@ PF_EXT_SE_SLIB:=SECMARK CONNSECMARK
PF6_EXT_SE_SLIB:=SECMARK CONNSECMARK
endif
+
+# 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)))
Index: iptables-1.3.8/extensions/libipt_ipp2p.c
===================================================================
--- /dev/null
+++ iptables-1.3.8/extensions/libipt_ipp2p.c
@@ -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);
+}
+
Index: iptables-1.3.8/include/linux/netfilter_ipv4/ipt_ipp2p.h
===================================================================
--- /dev/null
+++ iptables-1.3.8/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)
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