Imported Upstream version 1.6.0

extensions/libebt_ip.c

+/* ebt_ip
+ *
+ * Authors:
+ * Bart De Schuymer <bdschuym@pandora.be>
+ *
+ * Changes:
+ *    added ip-sport and ip-dport; parsing of port arguments is
+ *    based on code from iptables-1.2.7a
+ *    Innominate Security Technologies AG <mhopf@innominate.com>
+ *    September, 2002
+ *
+ * Adapted by Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
+ * to use libxtables for ebtables-compat in 2015.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include <netdb.h>
+#include <xtables.h>
+#include <linux/netfilter_bridge/ebt_ip.h>
+
+#define IP_SOURCE	'1'
+#define IP_DEST		'2'
+#define IP_EBT_TOS	'3' /* include/bits/in.h seems to already define IP_TOS */
+#define IP_PROTO	'4'
+#define IP_SPORT	'5'
+#define IP_DPORT	'6'
+
+static const struct option brip_opts[] = {
+	{ .name = "ip-source",		.has_arg = true, .val = IP_SOURCE },
+	{ .name = "ip-src",		.has_arg = true, .val = IP_SOURCE },
+	{ .name = "ip-destination",	.has_arg = true, .val = IP_DEST },
+	{ .name = "ip-dst",		.has_arg = true, .val = IP_DEST },
+	{ .name = "ip-tos",		.has_arg = true, .val = IP_EBT_TOS },
+	{ .name = "ip-protocol",	.has_arg = true, .val = IP_PROTO },
+	{ .name = "ip-proto",		.has_arg = true, .val = IP_PROTO },
+	{ .name = "ip-source-port",	.has_arg = true, .val = IP_SPORT },
+	{ .name = "ip-sport",		.has_arg = true, .val = IP_SPORT },
+	{ .name = "ip-destination-port",.has_arg = true, .val = IP_DPORT },
+	{ .name = "ip-dport",		.has_arg = true, .val = IP_DPORT },
+	XT_GETOPT_TABLEEND,
+};
+
+static void brip_print_help(void)
+{
+	printf(
+"ip options:\n"
+"--ip-src    [!] address[/mask]: ip source specification\n"
+"--ip-dst    [!] address[/mask]: ip destination specification\n"
+"--ip-tos    [!] tos           : ip tos specification\n"
+"--ip-proto  [!] protocol      : ip protocol specification\n"
+"--ip-sport  [!] port[:port]   : tcp/udp source port or port range\n"
+"--ip-dport  [!] port[:port]   : tcp/udp destination port or port range\n");
+}
+
+static void brip_init(struct xt_entry_match *match)
+{
+	struct ebt_ip_info *info = (struct ebt_ip_info *)match->data;
+
+	info->invflags = 0;
+	info->bitmask = 0;
+}
+
+static void
+parse_port_range(const char *protocol, const char *portstring, uint16_t *ports)
+{
+	char *buffer;
+	char *cp;
+
+	buffer = strdup(portstring);
+	if ((cp = strchr(buffer, ':')) == NULL)
+		ports[0] = ports[1] = xtables_parse_port(buffer, NULL);
+	else {
+		*cp = '\0';
+		cp++;
+
+		ports[0] = buffer[0] ? xtables_parse_port(buffer, NULL) : 0;
+		ports[1] = cp[0] ? xtables_parse_port(cp, NULL) : 0xFFFF;
+
+		if (ports[0] > ports[1])
+			xtables_error(PARAMETER_PROBLEM,
+				      "invalid portrange (min > max)");
+	}
+	free(buffer);
+}
+
+/* original code from ebtables: useful_functions.c */
+static int undot_ip(char *ip, unsigned char *ip2)
+{
+	char *p, *q, *end;
+	long int onebyte;
+	int i;
+	char buf[20];
+
+	strncpy(buf, ip, sizeof(buf) - 1);
+
+	p = buf;
+	for (i = 0; i < 3; i++) {
+		if ((q = strchr(p, '.')) == NULL)
+			return -1;
+		*q = '\0';
+		onebyte = strtol(p, &end, 10);
+		if (*end != '\0' || onebyte > 255 || onebyte < 0)
+			return -1;
+		ip2[i] = (unsigned char)onebyte;
+		p = q + 1;
+	}
+
+	onebyte = strtol(p, &end, 10);
+	if (*end != '\0' || onebyte > 255 || onebyte < 0)
+		return -1;
+	ip2[3] = (unsigned char)onebyte;
+
+	return 0;
+}
+
+static int ip_mask(char *mask, unsigned char *mask2)
+{
+	char *end;
+	long int bits;
+	uint32_t mask22;
+
+	if (undot_ip(mask, mask2)) {
+		/* not the /a.b.c.e format, maybe the /x format */
+		bits = strtol(mask, &end, 10);
+		if (*end != '\0' || bits > 32 || bits < 0)
+			return -1;
+		if (bits != 0) {
+			mask22 = htonl(0xFFFFFFFF << (32 - bits));
+			memcpy(mask2, &mask22, 4);
+		} else {
+			mask22 = 0xFFFFFFFF;
+			memcpy(mask2, &mask22, 4);
+		}
+	}
+	return 0;
+}
+
+static void ebt_parse_ip_address(char *address, uint32_t *addr, uint32_t *msk)
+{
+	char *p;
+
+	/* first the mask */
+	if ((p = strrchr(address, '/')) != NULL) {
+		*p = '\0';
+		if (ip_mask(p + 1, (unsigned char *)msk)) {
+			xtables_error(PARAMETER_PROBLEM,
+				      "Problem with the IP mask '%s'", p + 1);
+			return;
+		}
+	} else
+		*msk = 0xFFFFFFFF;
+
+	if (undot_ip(address, (unsigned char *)addr)) {
+		xtables_error(PARAMETER_PROBLEM,
+			      "Problem with the IP address '%s'", address);
+		return;
+	}
+	*addr = *addr & *msk;
+}
+
+static int
+brip_parse(int c, char **argv, int invert, unsigned int *flags,
+	   const void *entry, struct xt_entry_match **match)
+{
+	struct ebt_ip_info *info = (struct ebt_ip_info *)(*match)->data;
+
+	switch (c) {
+	case IP_SOURCE:
+		if (invert)
+			info->invflags |= EBT_IP_SOURCE;
+		ebt_parse_ip_address(optarg, &info->saddr, &info->smsk);
+		info->bitmask |= EBT_IP_SOURCE;
+		break;
+	case IP_DEST:
+		if (invert)
+			info->invflags |= EBT_IP_DEST;
+		ebt_parse_ip_address(optarg, &info->daddr, &info->dmsk);
+		info->bitmask |= EBT_IP_DEST;
+		break;
+	case IP_SPORT:
+		if (invert)
+			info->invflags |= EBT_IP_SPORT;
+		parse_port_range(NULL, optarg, info->sport);
+		info->bitmask |= EBT_IP_SPORT;
+		break;
+	case IP_DPORT:
+		if (invert)
+			info->invflags |= EBT_IP_DPORT;
+		parse_port_range(NULL, optarg, info->dport);
+		info->bitmask |= EBT_IP_DPORT;
+		break;
+	case IP_EBT_TOS:
+		if (invert)
+			info->invflags |= EBT_IP_TOS;
+		if (!xtables_strtoul(optarg, NULL, (uintmax_t *)&info->tos,
+				     0, 255))
+			xtables_error(PARAMETER_PROBLEM,
+				      "Problem with specified IP tos");
+		info->bitmask |= EBT_IP_TOS;
+		break;
+	case IP_PROTO:
+		if (invert)
+			info->invflags |= EBT_IP_PROTO;
+		info->protocol = xtables_parse_protocol(optarg);
+		if (info->protocol == -1)
+			xtables_error(PARAMETER_PROBLEM,
+				      "Unknown specified IP protocol - %s",
+				      optarg);
+		info->bitmask |= EBT_IP_PROTO;
+		break;
+	default:
+		return 0;
+	}
+
+	*flags |= info->bitmask;
+	return 1;
+}
+
+static void brip_final_check(unsigned int flags)
+{
+	if (!flags)
+		xtables_error(PARAMETER_PROBLEM,
+			      "You must specify proper arguments");
+}
+
+static void print_port_range(uint16_t *ports)
+{
+	if (ports[0] == ports[1])
+		printf("%d ", ports[0]);
+	else
+		printf("%d:%d ", ports[0], ports[1]);
+}
+
+static void brip_print(const void *ip, const struct xt_entry_match *match,
+		       int numeric)
+{
+	struct ebt_ip_info *info = (struct ebt_ip_info *)match->data;
+	struct in_addr *addrp, *maskp;
+
+	if (info->bitmask & EBT_IP_SOURCE) {
+		printf("--ip-src ");
+		if (info->invflags & EBT_IP_SOURCE)
+			printf("! ");
+		addrp = (struct in_addr *)&info->saddr;
+		maskp = (struct in_addr *)&info->smsk;
+		printf("%s%s ", xtables_ipaddr_to_numeric(addrp),
+		       xtables_ipmask_to_numeric(maskp));
+	}
+	if (info->bitmask & EBT_IP_DEST) {
+		printf("--ip-dst ");
+		if (info->invflags & EBT_IP_DEST)
+			printf("! ");
+		addrp = (struct in_addr *)&info->daddr;
+		maskp = (struct in_addr *)&info->dmsk;
+		printf("%s%s ", xtables_ipaddr_to_numeric(addrp),
+		       xtables_ipmask_to_numeric(maskp));
+	}
+	if (info->bitmask & EBT_IP_TOS) {
+		printf("--ip-tos ");
+		if (info->invflags & EBT_IP_TOS)
+			printf("! ");
+		printf("0x%02X ", info->tos);
+	}
+	if (info->bitmask & EBT_IP_PROTO) {
+		struct protoent *pe;
+
+		printf("--ip-proto ");
+		if (info->invflags & EBT_IP_PROTO)
+			printf("! ");
+		pe = getprotobynumber(info->protocol);
+		if (pe == NULL) {
+			printf("%d ", info->protocol);
+		} else {
+			printf("%s ", pe->p_name);
+		}
+	}
+	if (info->bitmask & EBT_IP_SPORT) {
+		printf("--ip-sport ");
+		if (info->invflags & EBT_IP_SPORT)
+			printf("! ");
+		print_port_range(info->sport);
+	}
+	if (info->bitmask & EBT_IP_DPORT) {
+		printf("--ip-dport ");
+		if (info->invflags & EBT_IP_DPORT)
+			printf("! ");
+		print_port_range(info->dport);
+	}
+}
+
+static struct xtables_match brip_match = {
+	.name		= "ip",
+	.revision	= 0,
+	.version	= XTABLES_VERSION,
+	.family		= NFPROTO_BRIDGE,
+	.size		= XT_ALIGN(sizeof(struct ebt_ip_info)),
+	.userspacesize	= XT_ALIGN(sizeof(struct ebt_ip_info)),
+	.init		= brip_init,
+	.help		= brip_print_help,
+	.parse		= brip_parse,
+	.final_check	= brip_final_check,
+	.print		= brip_print,
+	.extra_opts	= brip_opts,
+};
+
+void _init(void)
+{
+	xtables_register_match(&brip_match);
+}

extensions/libebt_limit.c

+/* ebt_limit
+ *
+ * Authors:
+ * Tom Marshall <tommy@home.tig-grr.com>
+ *
+ * Mostly copied from iptables' limit match.
+ *
+ * September, 2003
+ *
+ * Translated to use libxtables for ebtables-compat in 2015 by
+ * Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include <errno.h>
+#include <xtables.h>
+#include <linux/netfilter_bridge/ebt_limit.h>
+#include "iptables/nft.h"
+#include "iptables/nft-bridge.h"
+
+#define EBT_LIMIT_AVG	"3/hour"
+#define EBT_LIMIT_BURST	5
+
+#define FLAG_LIMIT		0x01
+#define FLAG_LIMIT_BURST	0x02
+#define ARG_LIMIT		'1'
+#define ARG_LIMIT_BURST		'2'
+
+static struct option brlimit_opts[] =
+{
+	{ .name = "limit",	.has_arg = true,	.val = ARG_LIMIT },
+	{ .name = "limit-burst",.has_arg = true,	.val = ARG_LIMIT_BURST },
+	XT_GETOPT_TABLEEND,
+};
+
+static void brlimit_print_help(void)
+{
+	printf(
+"limit options:\n"
+"--limit avg                   : max average match rate: default "EBT_LIMIT_AVG"\n"
+"                                [Packets per second unless followed by \n"
+"                                /sec /minute /hour /day postfixes]\n"
+"--limit-burst number          : number to match in a burst, -1 < number < 10001,\n"
+"                                default %u\n", EBT_LIMIT_BURST);
+}
+
+static int parse_rate(const char *rate, uint32_t *val)
+{
+	const char *delim;
+	uint32_t r;
+	uint32_t mult = 1;  /* Seconds by default. */
+
+	delim = strchr(rate, '/');
+	if (delim) {
+		if (strlen(delim+1) == 0)
+			return 0;
+
+		if (strncasecmp(delim+1, "second", strlen(delim+1)) == 0)
+			mult = 1;
+		else if (strncasecmp(delim+1, "minute", strlen(delim+1)) == 0)
+			mult = 60;
+		else if (strncasecmp(delim+1, "hour", strlen(delim+1)) == 0)
+			mult = 60*60;
+		else if (strncasecmp(delim+1, "day", strlen(delim+1)) == 0)
+			mult = 24*60*60;
+		else
+			return 0;
+	}
+	r = atoi(rate);
+	if (!r)
+		return 0;
+
+	/* This would get mapped to infinite (1/day is minimum they
+	   can specify, so we're ok at that end). */
+	if (r / mult > EBT_LIMIT_SCALE)
+		return 0;
+
+	*val = EBT_LIMIT_SCALE * mult / r;
+	return 1;
+}
+
+static void brlimit_init(struct xt_entry_match *match)
+{
+	struct ebt_limit_info *r = (struct ebt_limit_info *)match->data;
+
+	parse_rate(EBT_LIMIT_AVG, &r->avg);
+	r->burst = EBT_LIMIT_BURST;
+}
+
+static int brlimit_parse(int c, char **argv, int invert, unsigned int *flags,
+			 const void *entry, struct xt_entry_match **match)
+{
+	struct ebt_limit_info *r = (struct ebt_limit_info *)(*match)->data;
+	uintmax_t num;
+
+	switch (c) {
+	case ARG_LIMIT:
+		EBT_CHECK_OPTION(flags, FLAG_LIMIT);
+		if (invert)
+			xtables_error(PARAMETER_PROBLEM,
+				      "Unexpected `!' after --limit");
+		if (!parse_rate(optarg, &r->avg))
+			xtables_error(PARAMETER_PROBLEM,
+				      "bad rate `%s'", optarg);
+		break;
+	case ARG_LIMIT_BURST:
+		EBT_CHECK_OPTION(flags, FLAG_LIMIT_BURST);
+		if (invert)
+			xtables_error(PARAMETER_PROBLEM,
+				      "Unexpected `!' after --limit-burst");
+		if (!xtables_strtoul(optarg, NULL, &num, 0, 10000))
+			xtables_error(PARAMETER_PROBLEM,
+				      "bad --limit-burst `%s'", optarg);
+		r->burst = num;
+		break;
+	default:
+		return 0;
+	}
+
+	return 1;
+}
+
+struct rates
+{
+	const char	*name;
+	uint32_t	mult;
+};
+
+static struct rates g_rates[] =
+{
+	{ "day",	EBT_LIMIT_SCALE*24*60*60 },
+	{ "hour",	EBT_LIMIT_SCALE*60*60 },
+	{ "min",	EBT_LIMIT_SCALE*60 },
+	{ "sec",	EBT_LIMIT_SCALE }
+};
+
+static void print_rate(uint32_t period)
+{
+	unsigned int i;
+
+	for (i = 1; i < sizeof(g_rates)/sizeof(struct rates); i++)
+		if (period > g_rates[i].mult ||
+		    g_rates[i].mult/period < g_rates[i].mult%period)
+			break;
+
+	printf("%u/%s ", g_rates[i-1].mult / period, g_rates[i-1].name);
+}
+
+static void brlimit_print(const void *ip, const struct xt_entry_match *match,
+			  int numeric)
+{
+	struct ebt_limit_info *r = (struct ebt_limit_info *)match->data;
+
+	printf("--limit ");
+	print_rate(r->avg);
+	printf("--limit-burst %u ", r->burst);
+}
+
+static struct xtables_match brlimit_match = {
+	.name		= "limit",
+	.revision	= 0,
+	.version	= XTABLES_VERSION,
+	.family		= NFPROTO_BRIDGE,
+	.size		= XT_ALIGN(sizeof(struct ebt_limit_info)),
+	.userspacesize	= offsetof(struct ebt_limit_info, prev),
+	.init		= brlimit_init,
+	.help		= brlimit_print_help,
+	.parse		= brlimit_parse,
+	.print		= brlimit_print,
+	.extra_opts	= brlimit_opts,
+};
+
+void _init(void)
+{
+	xtables_register_match(&brlimit_match);
+}

extensions/libebt_log.c

+/*
+ * Bart De Schuymer <bdschuym@pandora.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Giuseppe Longo <giuseppelng@gmail.com> adapted the original code to the
+ * xtables-compat environment in 2015.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <syslog.h>
+#include <string.h>
+#include <getopt.h>
+#include <xtables.h>
+#include <linux/netfilter_bridge/ebt_log.h>
+
+#define LOG_DEFAULT_LEVEL LOG_INFO
+
+#define LOG_PREFIX '1'
+#define LOG_LEVEL  '2'
+#define LOG_ARP    '3'
+#define LOG_IP     '4'
+#define LOG_LOG    '5'
+#define LOG_IP6    '6'
+
+typedef struct _code {
+	char *c_name;
+	int c_val;
+} CODE;
+
+static CODE eight_priority[] = {
+	{ "emerg", LOG_EMERG },
+	{ "alert", LOG_ALERT },
+	{ "crit", LOG_CRIT },
+	{ "error", LOG_ERR },
+	{ "warning", LOG_WARNING },
+	{ "notice", LOG_NOTICE },
+	{ "info", LOG_INFO },
+	{ "debug", LOG_DEBUG }
+};
+
+static int name_to_loglevel(const char *arg)
+{
+	int i;
+
+	for (i = 0; i < 8; i++)
+		if (!strcmp(arg, eight_priority[i].c_name))
+			return eight_priority[i].c_val;
+
+	/* return bad loglevel */
+	return 9;
+}
+
+static const struct option brlog_opts[] = {
+	{ .name = "log-prefix",		.has_arg = true,  .val = LOG_PREFIX },
+	{ .name = "log-level",		.has_arg = true,  .val = LOG_LEVEL  },
+	{ .name = "log-arp",		.has_arg = false, .val = LOG_ARP    },
+	{ .name = "log-ip",		.has_arg = false, .val = LOG_IP     },
+	{ .name = "log",		.has_arg = false, .val = LOG_LOG    },
+	{ .name = "log-ip6",		.has_arg = false, .val = LOG_IP6    },
+	XT_GETOPT_TABLEEND,
+};
+
+static void brlog_help(void)
+{
+	int i;
+
+	printf(
+"log options:\n"
+"--log               : use this if you're not specifying anything\n"
+"--log-level level   : level = [1-8] or a string\n"
+"--log-prefix prefix : max. %d chars.\n"
+"--log-ip            : put ip info. in the log for ip packets\n"
+"--log-arp           : put (r)arp info. in the log for (r)arp packets\n"
+"--log-ip6           : put ip6 info. in the log for ip6 packets\n"
+	, EBT_LOG_PREFIX_SIZE - 1);
+	for (i = 0; i < 8; i++)
+		printf("%d = %s\n", eight_priority[i].c_val,
+				    eight_priority[i].c_name);
+}
+
+static void brlog_init(struct xt_entry_target *t)
+{
+	struct ebt_log_info *loginfo = (struct ebt_log_info *)t->data;
+
+	loginfo->bitmask = 0;
+	loginfo->prefix[0] = '\0';
+	loginfo->loglevel = LOG_NOTICE;
+}
+
+static int brlog_parse(int c, char **argv, int invert, unsigned int *flags,
+		       const void *entry, struct xt_entry_target **target)
+{
+	struct ebt_log_info *loginfo = (struct ebt_log_info *)(*target)->data;
+	long int i;
+	char *end;
+
+	switch (c) {
+	case LOG_PREFIX:
+		if (invert)
+			xtables_error(PARAMETER_PROBLEM,
+				      "Unexpected `!` after --log-prefix");
+		if (strlen(optarg) > sizeof(loginfo->prefix) - 1)
+			xtables_error(PARAMETER_PROBLEM,
+				      "Prefix too long");
+		if (strchr(optarg, '\"'))
+			xtables_error(PARAMETER_PROBLEM,
+				      "Use of \\\" is not allowed"
+				      " in the prefix");
+		strcpy((char *)loginfo->prefix, (char *)optarg);
+		break;
+	case LOG_LEVEL:
+		i = strtol(optarg, &end, 16);
+		if (*end != '\0' || i < 0 || i > 7)
+			loginfo->loglevel = name_to_loglevel(optarg);
+		else
+			loginfo->loglevel = i;
+
+		if (loginfo->loglevel == 9)
+			xtables_error(PARAMETER_PROBLEM,
+				      "Problem with the log-level");
+		break;
+	case LOG_IP:
+		if (invert)
+			xtables_error(PARAMETER_PROBLEM,
+				      "Unexpected `!' after --log-ip");
+		loginfo->bitmask |= EBT_LOG_IP;
+		break;
+	case LOG_ARP:
+		if (invert)
+			xtables_error(PARAMETER_PROBLEM,
+				      "Unexpected `!' after --log-arp");
+		loginfo->bitmask |= EBT_LOG_ARP;
+	case LOG_LOG:
+		if (invert)
+			xtables_error(PARAMETER_PROBLEM,
+				      "Unexpected `!' after --log");
+		break;
+	case LOG_IP6:
+		if (invert)
+			xtables_error(PARAMETER_PROBLEM,
+				      "Unexpected `!' after --log-ip6");
+		loginfo->bitmask |= EBT_LOG_IP6;
+		break;
+	default:
+		return 0;
+	}
+
+	*flags |= loginfo->bitmask;
+	return 1;
+}
+
+static void brlog_final_check(unsigned int flags)
+{
+}
+
+static void brlog_print(const void *ip, const struct xt_entry_target *target,
+			int numeric)
+{
+	struct ebt_log_info *loginfo = (struct ebt_log_info *)target->data;
+
+	printf("--log-level %s --log-prefix \"%s\"",
+		eight_priority[loginfo->loglevel].c_name,
+		loginfo->prefix);
+
+	if (loginfo->bitmask & EBT_LOG_IP)
+		printf(" --log-ip");
+	if (loginfo->bitmask & EBT_LOG_ARP)
+		printf(" --log-arp");
+	if (loginfo->bitmask & EBT_LOG_IP6)
+		printf(" --log-ip6");
+	printf(" ");
+}
+
+static struct xtables_target brlog_target = {
+	.name		= "log",
+	.revision	= 0,
+	.version	= XTABLES_VERSION,
+	.family		= NFPROTO_BRIDGE,
+	.size		= XT_ALIGN(sizeof(struct ebt_log_info)),
+	.userspacesize	= XT_ALIGN(sizeof(struct ebt_log_info)),
+	.init		= brlog_init,
+	.help		= brlog_help,
+	.parse		= brlog_parse,
+	.final_check	= brlog_final_check,
+	.print		= brlog_print,
+	.extra_opts	= brlog_opts,
+};
+
+void _init(void)
+{
+	xtables_register_target(&brlog_target);
+}

extensions/libebt_mark.c

+/* ebt_mark
+ *
+ * Authors:
+ * Bart De Schuymer <bdschuym@pandora.be>
+ *
+ * July, 2002, September 2006
+ *
+ * Adapted by Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
+ * to use libxtables for ebtables-compat in 2015.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include <xtables.h>
+#include <linux/netfilter_bridge/ebt_mark_t.h>
+#include "iptables/nft.h"
+#include "iptables/nft-bridge.h"
+
+static int mark_supplied;
+
+#define MARK_TARGET  '1'
+#define MARK_SETMARK '2'
+#define MARK_ORMARK  '3'
+#define MARK_ANDMARK '4'
+#define MARK_XORMARK '5'
+static struct option brmark_opts[] = {
+	{ .name = "mark-target",.has_arg = true,	.val = MARK_TARGET },
+	/* an oldtime messup, we should have always used the scheme
+	 * <extension-name>-<option> */
+	{ .name = "set-mark",	.has_arg = true,	.val = MARK_SETMARK },
+	{ .name = "mark-set",	.has_arg = true,	.val = MARK_SETMARK },
+	{ .name = "mark-or",	.has_arg = true,	.val = MARK_ORMARK },
+	{ .name = "mark-and",	.has_arg = true,	.val = MARK_ANDMARK },
+	{ .name = "mark-xor",	.has_arg = true,	.val = MARK_XORMARK },
+	XT_GETOPT_TABLEEND,
+};
+
+static void brmark_print_help(void)
+{
+	printf(
+	"mark target options:\n"
+	" --mark-set value     : Set nfmark value\n"
+	" --mark-or  value     : Or nfmark with value (nfmark |= value)\n"
+	" --mark-and value     : And nfmark with value (nfmark &= value)\n"
+	" --mark-xor value     : Xor nfmark with value (nfmark ^= value)\n"
+	" --mark-target target : ACCEPT, DROP, RETURN or CONTINUE\n");
+}
+
+static void brmark_init(struct xt_entry_target *target)
+{
+	struct ebt_mark_t_info *info = (struct ebt_mark_t_info *)target->data;
+
+	info->target = EBT_ACCEPT;
+	info->mark = 0;
+	mark_supplied = 0;
+}
+
+#define OPT_MARK_TARGET   0x01
+#define OPT_MARK_SETMARK  0x02
+#define OPT_MARK_ORMARK   0x04
+#define OPT_MARK_ANDMARK  0x08
+#define OPT_MARK_XORMARK  0x10
+
+static int
+brmark_parse(int c, char **argv, int invert, unsigned int *flags,
+	     const void *entry, struct xt_entry_target **target)
+{
+	struct ebt_mark_t_info *info = (struct ebt_mark_t_info *)
+				       (*target)->data;
+	char *end;
+	uint32_t mask;
+
+	switch (c) {
+	case MARK_TARGET:
+		{ unsigned int tmp;
+		EBT_CHECK_OPTION(flags, OPT_MARK_TARGET);
+		if (ebt_fill_target(optarg, &tmp))
+			xtables_error(PARAMETER_PROBLEM,
+				      "Illegal --mark-target target");
+		/* the 4 lsb are left to designate the target */
+		info->target = (info->target & ~EBT_VERDICT_BITS) |
+			       (tmp & EBT_VERDICT_BITS);
+		}
+		return 1;
+	case MARK_SETMARK:
+		EBT_CHECK_OPTION(flags, OPT_MARK_SETMARK);
+		mask = (OPT_MARK_ORMARK|OPT_MARK_ANDMARK|OPT_MARK_XORMARK);
+		if (*flags & mask)
+			xtables_error(PARAMETER_PROBLEM,
+				      "--mark-set cannot be used together with"
+				      " specific --mark option");
+		info->target = (info->target & EBT_VERDICT_BITS) |
+			       MARK_SET_VALUE;
+		break;
+	case MARK_ORMARK:
+		EBT_CHECK_OPTION(flags, OPT_MARK_ORMARK);
+		mask = (OPT_MARK_SETMARK|OPT_MARK_ANDMARK|OPT_MARK_XORMARK);
+		if (*flags & mask)
+			xtables_error(PARAMETER_PROBLEM,
+				      "--mark-or cannot be used together with"
+				      " specific --mark option");
+		info->target = (info->target & EBT_VERDICT_BITS) |
+			       MARK_OR_VALUE;
+		break;
+	case MARK_ANDMARK:
+		EBT_CHECK_OPTION(flags, OPT_MARK_ANDMARK);
+		mask = (OPT_MARK_SETMARK|OPT_MARK_ORMARK|OPT_MARK_XORMARK);
+		if (*flags & mask)
+			xtables_error(PARAMETER_PROBLEM,
+				      "--mark-and cannot be used together with"
+				      " specific --mark option");
+		info->target = (info->target & EBT_VERDICT_BITS) |
+			       MARK_AND_VALUE;
+		break;
+	case MARK_XORMARK:
+		EBT_CHECK_OPTION(flags, OPT_MARK_XORMARK);
+		mask = (OPT_MARK_SETMARK|OPT_MARK_ANDMARK|OPT_MARK_ORMARK);
+		if (*flags & mask)
+			xtables_error(PARAMETER_PROBLEM,
+				      "--mark-xor cannot be used together with"
+				      " specific --mark option");
+		info->target = (info->target & EBT_VERDICT_BITS) |
+			       MARK_XOR_VALUE;
+		break;
+	default:
+		return 0;
+	}
+	/* mutual code */
+	info->mark = strtoul(optarg, &end, 0);
+	if (*end != '\0' || end == optarg)
+		xtables_error(PARAMETER_PROBLEM, "Bad MARK value '%s'",
+			      optarg);
+
+	mark_supplied = 1;
+	return 1;
+}
+
+static void brmark_print(const void *ip, const struct xt_entry_target *target,
+			 int numeric)
+{
+	struct ebt_mark_t_info *info = (struct ebt_mark_t_info *)target->data;
+	int tmp;
+
+	tmp = info->target & ~EBT_VERDICT_BITS;
+	if (tmp == MARK_SET_VALUE)
+		printf("--mark-set");
+	else if (tmp == MARK_OR_VALUE)
+		printf("--mark-or");
+	else if (tmp == MARK_XOR_VALUE)
+		printf("--mark-xor");
+	else if (tmp == MARK_AND_VALUE)
+		printf("--mark-and");
+	else
+		xtables_error(PARAMETER_PROBLEM, "Unknown mark action");
+
+	printf(" 0x%lx", info->mark);
+	tmp = info->target | ~EBT_VERDICT_BITS;
+	printf(" --mark-target %s", ebt_target_name(tmp));
+}
+
+static void brmark_final_check(unsigned int flags)
+{
+	if (mark_supplied == 0)
+		xtables_error(PARAMETER_PROBLEM, "No mark value supplied");
+
+	if (!flags)
+		xtables_error(PARAMETER_PROBLEM,
+			      "You must specify some option");
+}
+
+static struct xtables_target brmark_target = {
+	.name		= "mark",
+	.revision	= 0,
+	.version	= XTABLES_VERSION,
+	.family		= NFPROTO_BRIDGE,
+	.size		= XT_ALIGN(sizeof(struct ebt_mark_t_info)),
+	.userspacesize	= XT_ALIGN(sizeof(struct ebt_mark_t_info)),
+	.help		= brmark_print_help,
+	.init		= brmark_init,
+	.parse		= brmark_parse,
+	.final_check	= brmark_final_check,
+	.print		= brmark_print,
+	.extra_opts	= brmark_opts,
+};
+
+void _init(void)
+{
+	xtables_register_target(&brmark_target);
+}

extensions/libebt_mark_m.c

+/* ebt_mark_m
+ *
+ * Authors:
+ * Bart De Schuymer <bdschuym@pandora.be>
+ *
+ * July, 2002
+ *
+ * Adapted by Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
+ * to use libxtables for ebtables-compat in 2015.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include <xtables.h>
+#include <linux/netfilter_bridge/ebt_mark_m.h>
+
+#define MARK '1'
+
+static struct option brmark_m_opts[] = {
+	{ .name = "mark",	.has_arg = true, .val = MARK },
+	XT_GETOPT_TABLEEND,
+};
+
+static void brmark_m_print_help(void)
+{
+	printf(
+"mark option:\n"
+"--mark    [!] [value][/mask]: Match nfmask value (see man page)\n");
+}
+
+static void brmark_m_init(struct xt_entry_match *match)
+{
+	struct ebt_mark_m_info *info = (struct ebt_mark_m_info *)match->data;
+
+	info->mark = 0;
+	info->mask = 0;
+	info->invert = 0;
+	info->bitmask = 0;
+}
+
+#define OPT_MARK 0x01
+static int
+brmark_m_parse(int c, char **argv, int invert, unsigned int *flags,
+	       const void *entry, struct xt_entry_match **match)
+{
+	struct ebt_mark_m_info *info = (struct ebt_mark_m_info *)
+				       (*match)->data;
+	char *end;
+
+	switch (c) {
+	case MARK:
+		if (invert)
+			info->invert = 1;
+		info->mark = strtoul(optarg, &end, 0);
+		info->bitmask = EBT_MARK_AND;
+		if (*end == '/') {
+			if (end == optarg)
+				info->bitmask = EBT_MARK_OR;
+			info->mask = strtoul(end+1, &end, 0);
+		} else {
+			info->mask = 0xffffffff;
+		}
+		if (*end != '\0' || end == optarg)
+			xtables_error(PARAMETER_PROBLEM, "Bad mark value '%s'",
+				      optarg);
+		break;
+	default:
+		return 0;
+	}
+
+	*flags |= info->bitmask;
+	return 1;
+}
+
+static void brmark_m_final_check(unsigned int flags)
+{
+	if (!flags)
+		xtables_error(PARAMETER_PROBLEM,
+			      "You must specify proper arguments");
+}
+
+static void brmark_m_print(const void *ip, const struct xt_entry_match *match,
+			   int numeric)
+{
+	struct ebt_mark_m_info *info = (struct ebt_mark_m_info *)match->data;
+
+	printf("--mark ");
+	if (info->invert)
+		printf("! ");
+	if (info->bitmask == EBT_MARK_OR)
+		printf("/0x%lx ", info->mask);
+	else if (info->mask != 0xffffffff)
+		printf("0x%lx/0x%lx ", info->mark, info->mask);
+	else
+		printf("0x%lx ", info->mark);
+}
+
+static struct xtables_match brmark_m_match = {
+	.name		= "mark_m",
+	.revision	= 0,
+	.version	= XTABLES_VERSION,
+	.family		= NFPROTO_BRIDGE,
+	.size		= XT_ALIGN(sizeof(struct ebt_mark_m_info)),
+	.userspacesize	= XT_ALIGN(sizeof(struct ebt_mark_m_info)),
+	.init		= brmark_m_init,
+	.help		= brmark_m_print_help,
+	.parse		= brmark_m_parse,
+	.final_check	= brmark_m_final_check,
+	.print		= brmark_m_print,
+	.extra_opts	= brmark_m_opts,
+};
+
+void _init(void)
+{
+	xtables_register_match(&brmark_m_match);
+}

extensions/libebt_nflog.c

+/* ebt_nflog
+ *
+ * Authors:
+ * Peter Warasin <peter@endian.com>
+ *
+ *  February, 2008
+ *
+ * Based on:
+ *  ebt_ulog.c, (C) 2004, Bart De Schuymer <bdschuym@pandora.be>
+ *  libxt_NFLOG.c
+ *
+ * Adapted to libxtables for ebtables-compat in 2015 by
+ * Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include <xtables.h>
+#include "iptables/nft.h"
+#include "iptables/nft-bridge.h"
+#include <linux/netfilter_bridge/ebt_nflog.h>
+
+enum {
+	NFLOG_GROUP	= 0x1,
+	NFLOG_PREFIX	= 0x2,
+	NFLOG_RANGE	= 0x4,
+	NFLOG_THRESHOLD	= 0x8,
+	NFLOG_NFLOG	= 0x16,
+};
+
+static struct option brnflog_opts[] = {
+	{ .name = "nflog-group",     .has_arg = true,  .val = NFLOG_GROUP},
+	{ .name = "nflog-prefix",    .has_arg = true,  .val = NFLOG_PREFIX},
+	{ .name = "nflog-range",     .has_arg = true,  .val = NFLOG_RANGE},
+	{ .name = "nflog-threshold", .has_arg = true,  .val = NFLOG_THRESHOLD},
+	{ .name = "nflog",           .has_arg = false, .val = NFLOG_NFLOG},
+	XT_GETOPT_TABLEEND,
+};
+
+static void brnflog_help(void)
+{
+	printf("nflog options:\n"
+	       "--nflog               : use the default nflog parameters\n"
+	       "--nflog-prefix prefix : Prefix string for log message\n"
+	       "--nflog-group group   : NETLINK group used for logging\n"
+	       "--nflog-range range   : Number of byte to copy\n"
+	       "--nflog-threshold     : Message threshold of"
+	       "in-kernel queue\n");
+}
+
+static void brnflog_init(struct xt_entry_target *t)
+{
+	struct ebt_nflog_info *info = (struct ebt_nflog_info *)t->data;
+
+	info->prefix[0]	= '\0';
+	info->group	= EBT_NFLOG_DEFAULT_GROUP;
+	info->threshold = EBT_NFLOG_DEFAULT_THRESHOLD;
+}
+
+static int brnflog_parse(int c, char **argv, int invert, unsigned int *flags,
+			 const void *entry, struct xt_entry_target **target)
+{
+	struct ebt_nflog_info *info = (struct ebt_nflog_info *)(*target)->data;
+	unsigned int i;
+
+	if (invert)
+		xtables_error(PARAMETER_PROBLEM,
+			      "The use of '!' makes no sense for the"
+			      " nflog watcher");
+
+	switch (c) {
+	case NFLOG_PREFIX:
+		EBT_CHECK_OPTION(flags, NFLOG_PREFIX);
+		if (strlen(optarg) > EBT_NFLOG_PREFIX_SIZE - 1)
+			xtables_error(PARAMETER_PROBLEM,
+				      "Prefix too long for nflog-prefix");
+		strncpy(info->prefix, optarg, EBT_NFLOG_PREFIX_SIZE);
+		break;
+	case NFLOG_GROUP:
+		EBT_CHECK_OPTION(flags, NFLOG_GROUP);
+		if (!xtables_strtoui(optarg, NULL, &i, 1, UINT32_MAX))
+			xtables_error(PARAMETER_PROBLEM,
+				      "--nflog-group must be a number!");
+		info->group = i;
+		break;
+	case NFLOG_RANGE:
+		EBT_CHECK_OPTION(flags, NFLOG_RANGE);
+		if (!xtables_strtoui(optarg, NULL, &i, 1, UINT32_MAX))
+			xtables_error(PARAMETER_PROBLEM,
+				      "--nflog-range must be a number!");
+		info->len = i;
+		break;
+	case NFLOG_THRESHOLD:
+		EBT_CHECK_OPTION(flags, NFLOG_THRESHOLD);
+		if (!xtables_strtoui(optarg, NULL, &i, 1, UINT32_MAX))
+			xtables_error(PARAMETER_PROBLEM,
+				      "--nflog-threshold must be a number!");
+		info->threshold = i;
+		break;
+	case NFLOG_NFLOG:
+		EBT_CHECK_OPTION(flags, NFLOG_NFLOG);
+		break;
+	default:
+		return 0;
+	}
+	return 1;
+}
+
+static void
+brnflog_print(const void *ip, const struct xt_entry_target *target,
+	      int numeric)
+{
+	struct ebt_nflog_info *info = (struct ebt_nflog_info *)target->data;
+
+	if (info->prefix[0] != '\0')
+		printf("--nflog-prefix \"%s\" ", info->prefix);
+	if (info->group)
+		printf("--nflog-group %d ", info->group);
+	if (info->len)
+		printf("--nflog-range %d ", info->len);
+	if (info->threshold != EBT_NFLOG_DEFAULT_THRESHOLD)
+		printf("--nflog-threshold %d ", info->threshold);
+}
+
+static struct xtables_target brnflog_watcher = {
+	.name		= "nflog",
+	.revision	= 0,
+	.version	= XTABLES_VERSION,
+	.family		= NFPROTO_BRIDGE,
+	.size		= XT_ALIGN(sizeof(struct ebt_nflog_info)),
+	.userspacesize	= XT_ALIGN(sizeof(struct ebt_nflog_info)),
+	.init		= brnflog_init,
+	.help		= brnflog_help,
+	.parse		= brnflog_parse,
+	.print		= brnflog_print,
+	.extra_opts	= brnflog_opts,
+};
+
+void _init(void)
+{
+	xtables_register_target(&brnflog_watcher);
+}

extensions/libip6t_DNPT.c

@@ -52,9 +52,9 @@ static void DNPT_print(const void *ip, const struct xt_entry_target *target,
 {
 	const struct ip6t_npt_tginfo *npt = (const void *)target->data;
 
-	printf("src-pfx %s/%u ", xtables_ip6addr_to_numeric(&npt->src_pfx.in6),
+	printf(" DNPT src-pfx %s/%u", xtables_ip6addr_to_numeric(&npt->src_pfx.in6),
 				 npt->src_pfx_len);
-	printf("dst-pfx %s/%u ", xtables_ip6addr_to_numeric(&npt->dst_pfx.in6),
+	printf(" dst-pfx %s/%u", xtables_ip6addr_to_numeric(&npt->dst_pfx.in6),
 				 npt->dst_pfx_len);
 }
 
@@ -65,12 +65,12 @@ static void DNPT_save(const void *ip, const struct xt_entry_target *target)
 
 	if (memcmp(&info->src_pfx.in6, &zero_addr, sizeof(zero_addr)) != 0 ||
 	    info->src_pfx_len != 0)
-		printf("--src-pfx %s/%u ",
+		printf(" --src-pfx %s/%u",
 		       xtables_ip6addr_to_numeric(&info->src_pfx.in6),
 		       info->src_pfx_len);
 	if (memcmp(&info->dst_pfx.in6, &zero_addr, sizeof(zero_addr)) != 0 ||
 	    info->dst_pfx_len != 0)
-		printf("--dst-pfx %s/%u ",
+		printf(" --dst-pfx %s/%u",
 		       xtables_ip6addr_to_numeric(&info->dst_pfx.in6),
 		       info->dst_pfx_len);
 }

extensions/libip6t_REJECT.c

@@ -35,7 +35,11 @@ static const struct reject_names reject_table[] = {
 	{"icmp6-port-unreachable", "port-unreach",
 		IP6T_ICMP6_PORT_UNREACH, "ICMPv6 port unreachable"},
 	{"tcp-reset", "tcp-reset",
-		IP6T_TCP_RESET, "TCP RST packet"}
+		IP6T_TCP_RESET, "TCP RST packet"},
+	{"icmp6-policy-fail", "policy-fail",
+		IP6T_ICMP6_POLICY_FAIL, "ICMPv6 policy fail"},
+	{"icmp6-reject-route", "reject-route",
+		IP6T_ICMP6_REJECT_ROUTE, "ICMPv6 reject route"}
 };
 
 static void

extensions/libip6t_SNAT.c

@@ -18,11 +18,13 @@
 enum {
 	O_TO_SRC = 0,
 	O_RANDOM,
+	O_RANDOM_FULLY,
 	O_PERSISTENT,
 	O_X_TO_SRC,
-	F_TO_SRC   = 1 << O_TO_SRC,
-	F_RANDOM   = 1 << O_RANDOM,
-	F_X_TO_SRC = 1 << O_X_TO_SRC,
+	F_TO_SRC       = 1 << O_TO_SRC,
+	F_RANDOM       = 1 << O_RANDOM,
+	F_RANDOM_FULLY = 1 << O_RANDOM_FULLY,
+	F_X_TO_SRC     = 1 << O_X_TO_SRC,
 };
 
 static void SNAT_help(void)
@@ -31,13 +33,14 @@ static void SNAT_help(void)
 "SNAT target options:\n"
 " --to-source [<ipaddr>[-<ipaddr>]][:port[-port]]\n"
 "				Address to map source to.\n"
-"[--random] [--persistent]\n");
+"[--random] [--random-fully] [--persistent]\n");
 }
 
 static const struct xt_option_entry SNAT_opts[] = {
 	{.name = "to-source", .id = O_TO_SRC, .type = XTTYPE_STRING,
 	 .flags = XTOPT_MAND | XTOPT_MULTI},
 	{.name = "random", .id = O_RANDOM, .type = XTTYPE_NONE},
+	{.name = "random-fully", .id = O_RANDOM_FULLY, .type = XTTYPE_NONE},
 	{.name = "persistent", .id = O_PERSISTENT, .type = XTTYPE_NONE},
 	XTOPT_TABLEEND,
 };
@@ -180,10 +183,13 @@ static void SNAT_parse(struct xt_option_call *cb)
 static void SNAT_fcheck(struct xt_fcheck_call *cb)
 {
 	static const unsigned int f = F_TO_SRC | F_RANDOM;
+	static const unsigned int r = F_TO_SRC | F_RANDOM_FULLY;
 	struct nf_nat_range *range = cb->data;
 
 	if ((cb->xflags & f) == f)
 		range->flags |= NF_NAT_RANGE_PROTO_RANDOM;
+	if ((cb->xflags & r) == r)
+		range->flags |= NF_NAT_RANGE_PROTO_RANDOM_FULLY;
 }
 
 static void print_range(const struct nf_nat_range *range)
@@ -215,6 +221,8 @@ static void SNAT_print(const void *ip, const struct xt_entry_target *target,
 	print_range(range);
 	if (range->flags & NF_NAT_RANGE_PROTO_RANDOM)
 		printf(" random");
+	if (range->flags & NF_NAT_RANGE_PROTO_RANDOM_FULLY)
+		printf(" random-fully");
 	if (range->flags & NF_NAT_RANGE_PERSISTENT)
 		printf(" persistent");
 }
@@ -227,6 +235,8 @@ static void SNAT_save(const void *ip, const struct xt_entry_target *target)
 	print_range(range);
 	if (range->flags & NF_NAT_RANGE_PROTO_RANDOM)
 		printf(" --random");
+	if (range->flags & NF_NAT_RANGE_PROTO_RANDOM_FULLY)
+		printf(" --random-fully");
 	if (range->flags & NF_NAT_RANGE_PERSISTENT)
 		printf(" --persistent");
 }

extensions/libip6t_SNPT.c

@@ -52,9 +52,9 @@ static void SNPT_print(const void *ip, const struct xt_entry_target *target,
 {
 	const struct ip6t_npt_tginfo *npt = (const void *)target->data;
 
-	printf("src-pfx %s/%u ", xtables_ip6addr_to_numeric(&npt->src_pfx.in6),
+	printf(" SNPT src-pfx %s/%u", xtables_ip6addr_to_numeric(&npt->src_pfx.in6),
 				 npt->src_pfx_len);
-	printf("dst-pfx %s/%u ", xtables_ip6addr_to_numeric(&npt->dst_pfx.in6),
+	printf(" dst-pfx %s/%u", xtables_ip6addr_to_numeric(&npt->dst_pfx.in6),
 				 npt->dst_pfx_len);
 }
 
@@ -65,12 +65,12 @@ static void SNPT_save(const void *ip, const struct xt_entry_target *target)
 
 	if (memcmp(&info->src_pfx.in6, &zero_addr, sizeof(zero_addr)) != 0 ||
 	    info->src_pfx_len != 0)
-		printf("--src-pfx %s/%u ",
+		printf(" --src-pfx %s/%u",
 		       xtables_ip6addr_to_numeric(&info->src_pfx.in6),
 		       info->src_pfx_len);
 	if (memcmp(&info->dst_pfx.in6, &zero_addr, sizeof(zero_addr)) != 0 ||
 	    info->dst_pfx_len != 0)
-		printf("--dst-pfx %s/%u ",
+		printf(" --dst-pfx %s/%u",
 		       xtables_ip6addr_to_numeric(&info->dst_pfx.in6),
 		       info->dst_pfx_len);
 }

extensions/libip6t_ah.c

@@ -28,6 +28,14 @@ static const struct xt_option_entry ah_opts[] = {
 };
 #undef s
 
+static void ah_init(struct xt_entry_match *m)
+{
+	struct ip6t_ah *ahinfo = (void *)m->data;
+
+	/* Defaults for when no --ahspi is used at all */
+	ahinfo->spis[1] = ~0U;
+}
+
 static void ah_parse(struct xt_option_call *cb)
 {
 	struct ip6t_ah *ahinfo = cb->data;
@@ -127,6 +135,7 @@ static struct xtables_match ah_mt6_reg = {
 	.size          = XT_ALIGN(sizeof(struct ip6t_ah)),
 	.userspacesize = XT_ALIGN(sizeof(struct ip6t_ah)),
 	.help          = ah_help,
+	.init          = ah_init,
 	.print         = ah_print,
 	.save          = ah_save,
 	.x6_parse      = ah_parse,

extensions/libip6t_dst.c

@@ -112,6 +112,8 @@ static void dst_parse(struct xt_option_call *cb)
 	xtables_option_parse(cb);
 	switch (cb->entry->id) {
 	case O_DSTLEN:
+		if (cb->invert)
+			optinfo->invflags |= IP6T_OPTS_INV_LEN;
 		optinfo->flags |= IP6T_OPTS_LEN;
 		break;
 	case O_DSTOPTS:

extensions/libip6t_icmp6.c

@@ -19,8 +19,11 @@ static const struct icmpv6_names icmpv6_codes[] = {
 	{ "destination-unreachable", 1, 0, 0xFF },
 	{   "no-route", 1, 0, 0 },
 	{   "communication-prohibited", 1, 1, 1 },
+	{   "beyond-scope", 1, 2, 2 },
 	{   "address-unreachable", 1, 3, 3 },
 	{   "port-unreachable", 1, 4, 4 },
+	{   "failed-policy", 1, 5, 5 },
+	{   "reject-route", 1, 6, 6 },
 
 	{ "packet-too-big", 2, 0, 0xFF },
 

extensions/libip6t_ipv6header.c

@@ -127,7 +127,7 @@ static void ipv6header_help(void)
 	printf(
 "ipv6header match options:\n"
 "[!] --header headers     Type of header to match, by name\n"
-"                         names: hop,dst,route,frag,auth,esp,none,proto\n"
+"                         names: hop,dst,route,frag,auth,esp,none,prot\n"
 "                    long names: hop-by-hop,ipv6-opts,ipv6-route,\n"
 "                                ipv6-frag,ah,esp,ipv6-nonxt,protocol\n"
 "                       numbers: 0,60,43,44,51,50,59\n"

extensions/libip6t_ipv6header.man

@@ -31,7 +31,7 @@ Encapsulating Security Payload header
 No Next header which matches 59 in the 'Next Header field' of IPv6 header or
 any IPv6 extension headers
 .TP
-\fBproto\fP
+\fBprot\fP
 which matches any upper layer protocol header. A protocol name from
 /etc/protocols and numeric value also allowed. The number 255 is equivalent to
-\fBproto\fP.
+\fBprot\fP.

extensions/libip6t_rt.c

@@ -99,6 +99,13 @@ parse_addresses(const char *addrstr, struct in6_addr *addrp)
 	return i;
 }
 
+static void rt_init(struct xt_entry_match *m)
+{
+	struct ip6t_rt *rtinfo = (void *)m->data;
+
+	rtinfo->segsleft[1] = ~0U;
+}
+
 static void rt_parse(struct xt_option_call *cb)
 {
 	struct ip6t_rt *rtinfo = cb->data;
@@ -245,6 +252,7 @@ static struct xtables_match rt_mt6_reg = {
 	.size		= XT_ALIGN(sizeof(struct ip6t_rt)),
 	.userspacesize	= XT_ALIGN(sizeof(struct ip6t_rt)),
 	.help		= rt_help,
+	.init		= rt_init,
 	.x6_parse	= rt_parse,
 	.print		= rt_print,
 	.save		= rt_save,

extensions/libipt_MIRROR.c

-/* Shared library add-on to iptables to add MIRROR target support. */
-#include <xtables.h>
-
-static struct xtables_target mirror_tg_reg = {
-	.name		= "MIRROR",
-	.version	= XTABLES_VERSION,
-	.family		= NFPROTO_IPV4,
-	.size		= XT_ALIGN(0),
-	.userspacesize	= XT_ALIGN(0),
-};
-
-void _init(void)
-{
-	xtables_register_target(&mirror_tg_reg);
-}

extensions/libipt_MIRROR.man

-This is an experimental demonstration target which inverts the source
-and destination fields in the IP header and retransmits the packet.
-It is only valid in the
-.BR INPUT ,
-.B FORWARD
-and
-.B PREROUTING
-chains, and user-defined chains which are only called from those
-chains.  Note that the outgoing packets are
-.B NOT
-seen by any packet filtering chains, connection tracking or NAT, to
-avoid loops and other problems.

extensions/libipt_SAME.c

-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <xtables.h>
-#include <linux/netfilter/nf_nat.h>
-#include <linux/netfilter_ipv4/ipt_SAME.h>
-
-enum {
-	O_TO_ADDR = 0,
-	O_NODST,
-	O_RANDOM,
-	F_TO_ADDR = 1 << O_TO_ADDR,
-	F_RANDOM  = 1 << O_RANDOM,
-};
-
-static void SAME_help(void)
-{
-	printf(
-"SAME target options:\n"
-" --to <ipaddr>-<ipaddr>\n"
-"				Addresses to map source to.\n"
-"				 May be specified more than\n"
-"				  once for multiple ranges.\n"
-" --nodst\n"
-"				Don't use destination-ip in\n"
-"				           source selection\n"
-" --random\n"
-"				Randomize source port\n");
-}
-
-static const struct xt_option_entry SAME_opts[] = {
-	{.name = "to", .id = O_TO_ADDR, .type = XTTYPE_STRING,
-	 .flags = XTOPT_MAND},
-	{.name = "nodst", .id = O_NODST, .type = XTTYPE_NONE},
-	{.name = "random", .id = O_RANDOM, .type = XTTYPE_NONE},
-	XTOPT_TABLEEND,
-};
-
-/* Parses range of IPs */
-static void parse_to(const char *orig_arg, struct nf_nat_ipv4_range *range)
-{
-	char *dash, *arg;
-	const struct in_addr *ip;
-
-	arg = strdup(orig_arg);
-	if (arg == NULL)
-		xtables_error(RESOURCE_PROBLEM, "strdup");
-	range->flags |= NF_NAT_RANGE_MAP_IPS;
-	dash = strchr(arg, '-');
-
-	if (dash)
-		*dash = '\0';
-
-	ip = xtables_numeric_to_ipaddr(arg);
-	if (!ip)
-		xtables_error(PARAMETER_PROBLEM, "Bad IP address \"%s\"\n",
-			   arg);
-	range->min_ip = ip->s_addr;
-
-	if (dash) {
-		ip = xtables_numeric_to_ipaddr(dash+1);
-		if (!ip)
-			xtables_error(PARAMETER_PROBLEM, "Bad IP address \"%s\"\n",
-				   dash+1);
-	}
-	range->max_ip = ip->s_addr;
-	if (dash)
-		if (range->min_ip > range->max_ip)
-			xtables_error(PARAMETER_PROBLEM, "Bad IP range \"%s-%s\"\n",
-				   arg, dash+1);
-	free(arg);
-}
-
-static void SAME_parse(struct xt_option_call *cb)
-{
-	struct ipt_same_info *mr = cb->data;
-	unsigned int count;
-
-	xtables_option_parse(cb);
-	switch (cb->entry->id) {
-	case O_TO_ADDR:
-		if (mr->rangesize == IPT_SAME_MAX_RANGE)
-			xtables_error(PARAMETER_PROBLEM,
-				   "Too many ranges specified, maximum "
-				   "is %i ranges.\n",
-				   IPT_SAME_MAX_RANGE);
-		parse_to(cb->arg, &mr->range[mr->rangesize]);
-		mr->rangesize++;
-		break;
-	case O_NODST:
-		mr->info |= IPT_SAME_NODST;
-		break;
-	case O_RANDOM:
-		for (count=0; count < mr->rangesize; count++)
-			mr->range[count].flags |= NF_NAT_RANGE_PROTO_RANDOM;
-		break;
-	}
-}
-
-static void SAME_fcheck(struct xt_fcheck_call *cb)
-{
-	static const unsigned int f = F_TO_ADDR | F_RANDOM;
-	struct ipt_same_info *mr = cb->data;
-	unsigned int count;
-
-	if ((cb->xflags & f) == f)
-		for (count = 0; count < mr->rangesize; ++count)
-			mr->range[count].flags |= NF_NAT_RANGE_PROTO_RANDOM;
-}
-
-static void SAME_print(const void *ip, const struct xt_entry_target *target,
-                       int numeric)
-{
-	unsigned int count;
-	const struct ipt_same_info *mr = (const void *)target->data;
-	int random_selection = 0;
-	
-	printf(" same:");
-
-	for (count = 0; count < mr->rangesize; count++) {
-		const struct nf_nat_ipv4_range *r = &mr->range[count];
-		struct in_addr a;
-
-		a.s_addr = r->min_ip;
-
-		printf("%s", xtables_ipaddr_to_numeric(&a));
-		a.s_addr = r->max_ip;
-		
-		if (r->min_ip != r->max_ip)
-			printf("-%s", xtables_ipaddr_to_numeric(&a));
-		if (r->flags & NF_NAT_RANGE_PROTO_RANDOM)
-			random_selection = 1;
-	}
-	
-	if (mr->info & IPT_SAME_NODST)
-		printf(" nodst");
-
-	if (random_selection)
-		printf(" random");
-}
-
-static void SAME_save(const void *ip, const struct xt_entry_target *target)
-{
-	unsigned int count;
-	const struct ipt_same_info *mr = (const void *)target->data;
-	int random_selection = 0;
-
-	for (count = 0; count < mr->rangesize; count++) {
-		const struct nf_nat_ipv4_range *r = &mr->range[count];
-		struct in_addr a;
-
-		a.s_addr = r->min_ip;
-		printf(" --to %s", xtables_ipaddr_to_numeric(&a));
-		a.s_addr = r->max_ip;
-
-		if (r->min_ip != r->max_ip)
-			printf("-%s", xtables_ipaddr_to_numeric(&a));
-		if (r->flags & NF_NAT_RANGE_PROTO_RANDOM)
-			random_selection = 1;
-	}
-	
-	if (mr->info & IPT_SAME_NODST)
-		printf(" --nodst");
-
-	if (random_selection)
-		printf(" --random");
-}
-
-static struct xtables_target same_tg_reg = {
-	.name		= "SAME",
-	.version	= XTABLES_VERSION,
-	.family		= NFPROTO_IPV4,
-	.size		= XT_ALIGN(sizeof(struct ipt_same_info)),
-	.userspacesize	= XT_ALIGN(sizeof(struct ipt_same_info)),
-	.help		= SAME_help,
-	.x6_parse	= SAME_parse,
-	.x6_fcheck	= SAME_fcheck,
-	.print		= SAME_print,
-	.save		= SAME_save,
-	.x6_options	= SAME_opts,
-};
-
-void _init(void)
-{
-	xtables_register_target(&same_tg_reg);
-}

extensions/libipt_SAME.man

-Similar to SNAT/DNAT depending on chain: it takes a range of addresses
-(`\-\-to 1.2.3.4\-1.2.3.7') and gives a client the same
-source-/destination-address for each connection.
-.PP
-N.B.: The DNAT target's \fB\-\-persistent\fP option replaced the SAME target.
-.TP
-\fB\-\-to\fP \fIipaddr\fP[\fB\-\fP\fIipaddr\fP]
-Addresses to map source to. May be specified more than once for
-multiple ranges.
-.TP
-\fB\-\-nodst\fP
-Don't use the destination-ip in the calculations when selecting the
-new source-ip
-.TP
-\fB\-\-random\fP
-Port mapping will be forcibly randomized to avoid attacks based on 
-port prediction (kernel >= 2.6.21).