mirror of https://github.com/sipwise/rtpengine.git
Sasmita Panda
9 months ago
parent
c21969fa41
commit
83f5ee8355
@ -0,0 +1 @@
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*.so
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@ -0,0 +1,73 @@
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CC?=gcc
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CFLAGS ?= -O2 -Wall -Wextra -Wno-sign-compare -Wno-unused-parameter -Wstrict-prototypes
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CFLAGS += -shared -fPIC
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ifneq ($(RTPENGINE_VERSION),)
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CFLAGS += -DRTPENGINE_VERSION="\"$(RTPENGINE_VERSION)\""
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else
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DPKG_PRSCHNGLG= $(shell which dpkg-parsechangelog 2>/dev/null)
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ifneq ($(DPKG_PRSCHNGLG),)
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CFLAGS += -DRTPENGINE_VERSION="\"$(shell dpkg-parsechangelog -l../debian/changelog | awk '/^Version: / {print $$2}')\""
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else
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CFLAGS += -DRTPENGINE_VERSION="\"undefined\""
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endif
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endif
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XTABLES_INSTALLED=$(shell \
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if pkg-config --exists xtables; then \
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echo 'xtables found'; \
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fi)
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ifneq ($(XTABLES_INSTALLED),)
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XTABLES = 1
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CFLAGS += $(shell pkg-config --cflags --libs xtables)
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else
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XTABLES = $(shell test -e /usr/include/xtables.h && echo 1)
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endif
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IPTABLES = $(shell test -e /usr/include/iptables.h && echo 1)
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IP6TABLES = $(shell test -e /usr/include/ip6tables.h && echo 1)
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WORK=0
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.PHONY: all module clean install
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all: module
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ifeq ($(XTABLES),1)
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WORK=1
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module: libxt_RTPENGINE.so
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XTABLES_DIR ?= $(shell pkg-config xtables --variable=xtlibdir || echo /lib/xtables)
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libxt_RTPENGINE.so: libxt_RTPENGINE.c
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$(CC) $(CFLAGS) -o libxt_RTPENGINE.so libxt_RTPENGINE.c
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else
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ifeq ($(IPTABLES),1)
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WORK=1
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module: libipt_RTPENGINE.so
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endif
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ifeq ($(IP6TABLES),1)
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WORK=1
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module: libip6t_RTPENGINE.so
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endif
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libipt_RTPENGINE.so: libxt_RTPENGINE.c
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$(CC) $(CFLAGS) -D__ipt -o libipt_RTPENGINE.so libxt_RTPENGINE.c
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libip6t_RTPENGINE.so: libxt_RTPENGINE.c
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$(CC) $(CFLAGS) -D__ip6t -o libip6t_RTPENGINE.so libxt_RTPENGINE.c
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endif
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ifeq ($(WORK),0)
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module:
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@echo No iptables dev packages installed!
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endif
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clean:
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rm -f libxt_RTPENGINE.so libipt_RTPENGINE.so libip6t_RTPENGINE.so
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install:
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install -D libxt_RTPENGINE.so $(DESTDIR)$(XTABLES_DIR)/libxt_RTPENGINE.so
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@ -0,0 +1,183 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#ifndef _init
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#define _init __attribute__((constructor)) _INIT
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#endif
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#if defined(__ipt)
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#include <iptables.h>
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#elif defined(__ip6t)
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#include <ip6tables.h>
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#else
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#include <xtables.h>
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#endif
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#include <linux/netfilter.h>
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#if defined(__ipt)
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#include <linux/netfilter_ipv4/ip_tables.h>
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#elif defined(__ip6t)
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#include <linux/netfilter_ipv6/ip6_tables.h>
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#else
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#include <linux/netfilter/x_tables.h>
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#endif
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#include "../kernel-module/xt_RTPENGINE.h"
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static void help(void) {
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printf(
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"RTPENGINE (version %s) target options:\n"
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" --id <id>\n"
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" Unique ID for this instance\n",
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RTPENGINE_VERSION
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);
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}
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#if defined(__ipt)
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static int parse(int c,
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char **argv,
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int invert,
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unsigned int *flags,
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const struct ipt_entry *entry,
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struct ipt_entry_target **target) {
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#elif defined(__ip6t)
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static int parse(int c,
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char **argv,
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int invert,
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unsigned int *flags,
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const struct ip6t_entry *entry,
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struct ip6t_entry_target **target) {
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#else
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static int parse(int c,
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char **argv,
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int invert,
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unsigned int *flags,
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const void *entry,
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struct xt_entry_target **target) {
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#endif
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struct xt_rtpengine_info *info = (void *) (*target)->data;
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if (c == '1') {
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info->id = atoi(optarg);
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if (flags)
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*flags = 1;
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}
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else
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return 0;
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return 1;
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}
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static void final_check(unsigned int flags) {
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#if defined(__ipt) || defined(__ip6t)
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if (!flags)
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exit_error(PARAMETER_PROBLEM, "You must specify --id");
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#else
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if (!flags)
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xtables_error(PARAMETER_PROBLEM, "You must specify --id");
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#endif
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}
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#if defined(__ipt)
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static void print(const struct ipt_ip *ip, const struct xt_entry_target *target, int numeric) {
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#elif defined(__ip6t)
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static void print(const struct ip6t_ip6 *ip, const struct xt_entry_target *target, int numeric) {
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#else
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static void print(const void *ip, const struct xt_entry_target *target, int numeric) {
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#endif
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struct xt_rtpengine_info *info = (void *) target->data;
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printf(" RTPENGINE id:%u", info->id);
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}
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#if defined(__ipt)
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static void save(const struct ipt_ip *ip, const struct xt_entry_target *target) {
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#elif defined(__ip6t)
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static void save(const struct ip6t_ip6 *ip, const struct xt_entry_target *target) {
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#else
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static void save(const void *ip, const struct xt_entry_target *target) {
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#endif
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struct xt_rtpengine_info *info = (void *) target->data;
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printf(" --id %u", info->id);
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}
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static struct option opts[] = {
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{ "id", 1, NULL, '1' },
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{ NULL, },
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};
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#if defined(__ipt)
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static struct iptables_target rtpengine4 = {
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.name = "RTPENGINE",
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.version = "1.3.6",
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.size = IPT_ALIGN(sizeof(struct xt_rtpengine_info)),
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.userspacesize = IPT_ALIGN(sizeof(struct xt_rtpengine_info)),
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.help = help,
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.parse = parse,
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.final_check = final_check,
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.print = print,
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.save = save,
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.extra_opts = opts,
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};
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#elif defined(__ip6t)
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static struct ip6tables_target rtpengine6 = {
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.name = "RTPENGINE",
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.version = "1.3.6",
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.size = IP6T_ALIGN(sizeof(struct xt_rtpengine_info)),
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.userspacesize = IP6T_ALIGN(sizeof(struct xt_rtpengine_info)),
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.help = help,
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.parse = parse,
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.final_check = final_check,
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.print = print,
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.save = save,
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.extra_opts = opts,
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};
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#else
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static struct xtables_target rtpengine4 = {
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.name = "RTPENGINE",
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.family = NFPROTO_IPV4,
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.version = XTABLES_VERSION,
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.size = XT_ALIGN(sizeof(struct xt_rtpengine_info)),
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.userspacesize = XT_ALIGN(sizeof(struct xt_rtpengine_info)),
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.help = help,
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.parse = parse,
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.final_check = final_check,
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.print = print,
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.save = save,
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.extra_opts = opts,
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};
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static struct xtables_target rtpengine6 = {
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.name = "RTPENGINE",
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.family = NFPROTO_IPV6,
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.version = XTABLES_VERSION,
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.size = XT_ALIGN(sizeof(struct xt_rtpengine_info)),
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.userspacesize = XT_ALIGN(sizeof(struct xt_rtpengine_info)),
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.help = help,
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.parse = parse,
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.final_check = final_check,
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.print = print,
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.save = save,
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.extra_opts = opts,
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};
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#endif
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void _init(void) {
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#if defined(__ipt)
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register_target(&rtpengine4);
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#elif defined(__ip6t)
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register_target6(&rtpengine6);
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#else
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xtables_register_target(&rtpengine4);
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xtables_register_target(&rtpengine6);
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#endif
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}
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