Update upstream source from tag 'upstream/1.8.2'

Update to upstream version '1.8.2'
with Debian dir 588f1dc113bc8a78aac5111883fa4ec874146bb7

include/xtables.h

@@ -556,6 +556,9 @@ extern void xtables_save_string(const char *value);
 #define FMT(tab,notab) ((format) & FMT_NOTABLE ? (notab) : (tab))
 
 extern void xtables_print_num(uint64_t number, unsigned int format);
+extern void xtables_print_mac(const unsigned char *macaddress);
+extern void xtables_print_mac_and_mask(const unsigned char *mac,
+				       const unsigned char *mask);
 
 extern void xtables_parse_val_mask(struct xt_option_call *cb,
 				   unsigned int *val, unsigned int *mask,
@@ -624,7 +627,7 @@ extern const char *xtables_lmap_id2name(const struct xtables_lmap *, int);
 /* xlate infrastructure */
 struct xt_xlate *xt_xlate_alloc(int size);
 void xt_xlate_free(struct xt_xlate *xl);
-void xt_xlate_add(struct xt_xlate *xl, const char *fmt, ...);
+void xt_xlate_add(struct xt_xlate *xl, const char *fmt, ...) __attribute__((format(printf,2,3)));
 void xt_xlate_add_comment(struct xt_xlate *xl, const char *comment);
 const char *xt_xlate_get_comment(struct xt_xlate *xl);
 const char *xt_xlate_get(struct xt_xlate *xl);

iptables/nft-arp.c

@@ -137,6 +137,18 @@ static void print_mac_and_mask(const unsigned char *mac, const unsigned char *ma
 	print_mac(mask, l);
 }
 
+static bool need_devaddr(struct arpt_devaddr_info *info)
+{
+	int i;
+
+	for (i = 0; i < ETH_ALEN; i++) {
+		if (info->addr[i] || info->mask[i])
+			return true;
+	}
+
+	return false;
+}
+
 static int nft_arp_add(struct nftnl_rule *r, void *data)
 {
 	struct iptables_command_state *cs = data;
@@ -154,21 +166,24 @@ static int nft_arp_add(struct nftnl_rule *r, void *data)
 		add_outiface(r, fw->arp.outiface, op);
 	}
 
-	if (fw->arp.arhrd != 0) {
+	if (fw->arp.arhrd != 0 ||
+	    fw->arp.invflags & ARPT_INV_ARPHRD) {
 		op = nft_invflags2cmp(fw->arp.invflags, ARPT_INV_ARPHRD);
 		add_payload(r, offsetof(struct arphdr, ar_hrd), 2,
 			    NFT_PAYLOAD_NETWORK_HEADER);
 		add_cmp_u16(r, fw->arp.arhrd, op);
 	}
 
-	if (fw->arp.arpro != 0) {
+	if (fw->arp.arpro != 0 ||
+	    fw->arp.invflags & ARPT_INV_ARPPRO) {
 		op = nft_invflags2cmp(fw->arp.invflags, ARPT_INV_ARPPRO);
 	        add_payload(r, offsetof(struct arphdr, ar_pro), 2,
 			    NFT_PAYLOAD_NETWORK_HEADER);
 		add_cmp_u16(r, fw->arp.arpro, op);
 	}
 
-	if (fw->arp.arhln != 0) {
+	if (fw->arp.arhln != 0 ||
+	    fw->arp.invflags & ARPT_INV_ARPHLN) {
 		op = nft_invflags2cmp(fw->arp.invflags, ARPT_INV_ARPHLN);
 		add_proto(r, offsetof(struct arphdr, ar_hln), 1,
 			  fw->arp.arhln, op);
@@ -176,37 +191,46 @@ static int nft_arp_add(struct nftnl_rule *r, void *data)
 
 	add_proto(r, offsetof(struct arphdr, ar_pln), 1, 4, NFT_CMP_EQ);
 
-	if (fw->arp.arpop != 0) {
+	if (fw->arp.arpop != 0 ||
+	    fw->arp.invflags & ARPT_INV_ARPOP) {
 		op = nft_invflags2cmp(fw->arp.invflags, ARPT_INV_ARPOP);
 		add_payload(r, offsetof(struct arphdr, ar_op), 2,
 			    NFT_PAYLOAD_NETWORK_HEADER);
 		add_cmp_u16(r, fw->arp.arpop, op);
 	}
 
-	if (fw->arp.src_devaddr.addr[0] != '\0') {
+	if (need_devaddr(&fw->arp.src_devaddr)) {
 		op = nft_invflags2cmp(fw->arp.invflags, ARPT_INV_SRCDEVADDR);
-		add_payload(r, sizeof(struct arphdr), fw->arp.arhln,
-			    NFT_PAYLOAD_NETWORK_HEADER);
-		add_cmp_ptr(r, op, fw->arp.src_devaddr.addr, fw->arp.arhln);
+		add_addr(r, sizeof(struct arphdr),
+			 &fw->arp.src_devaddr.addr,
+			 &fw->arp.src_devaddr.mask,
+			 fw->arp.arhln, op);
+
 	}
 
-	if (fw->arp.src.s_addr != 0) {
+	if (fw->arp.src.s_addr != 0 ||
+	    fw->arp.smsk.s_addr != 0 ||
+	    fw->arp.invflags & ARPT_INV_SRCIP) {
 		op = nft_invflags2cmp(fw->arp.invflags, ARPT_INV_SRCIP);
 		add_addr(r, sizeof(struct arphdr) + fw->arp.arhln,
 			 &fw->arp.src.s_addr, &fw->arp.smsk.s_addr,
 			 sizeof(struct in_addr), op);
 	}
 
-	if (fw->arp.tgt_devaddr.addr[0] != '\0') {
+
+	if (need_devaddr(&fw->arp.tgt_devaddr)) {
 		op = nft_invflags2cmp(fw->arp.invflags, ARPT_INV_TGTDEVADDR);
-		add_payload(r, sizeof(struct arphdr) + fw->arp.arhln + 4,
-			    fw->arp.arhln, NFT_PAYLOAD_NETWORK_HEADER);
-		add_cmp_ptr(r, op, fw->arp.tgt_devaddr.addr, fw->arp.arhln);
+		add_addr(r, sizeof(struct arphdr) + fw->arp.arhln + sizeof(struct in_addr),
+			 &fw->arp.tgt_devaddr.addr,
+			 &fw->arp.tgt_devaddr.mask,
+			 fw->arp.arhln, op);
 	}
 
-	if (fw->arp.tgt.s_addr != 0) {
+	if (fw->arp.tgt.s_addr != 0 ||
+	    fw->arp.tmsk.s_addr != 0 ||
+	    fw->arp.invflags & ARPT_INV_TGTIP) {
 		op = nft_invflags2cmp(fw->arp.invflags, ARPT_INV_TGTIP);
-		add_addr(r, sizeof(struct arphdr) + fw->arp.arhln + sizeof(struct in_addr),
+		add_addr(r, sizeof(struct arphdr) + fw->arp.arhln + sizeof(struct in_addr) + fw->arp.arhln,
 			 &fw->arp.tgt.s_addr, &fw->arp.tmsk.s_addr,
 			 sizeof(struct in_addr), op);
 	}
@@ -284,6 +308,30 @@ static void parse_mask_ipv4(struct nft_xt_ctx *ctx, struct in_addr *mask)
 	mask->s_addr = ctx->bitwise.mask[0];
 }
 
+static bool nft_arp_parse_devaddr(struct nft_xt_ctx *ctx,
+				  struct nftnl_expr *e,
+				  struct arpt_devaddr_info *info)
+{
+	uint32_t hlen;
+	bool inv;
+
+	nftnl_expr_get(e, NFTNL_EXPR_CMP_DATA, &hlen);
+
+	if (hlen != ETH_ALEN)
+		return false;
+
+	get_cmp_data(e, info->addr, ETH_ALEN, &inv);
+
+	if (ctx->flags & NFT_XT_CTX_BITWISE) {
+		memcpy(info->mask, ctx->bitwise.mask, ETH_ALEN);
+		ctx->flags &= ~NFT_XT_CTX_BITWISE;
+	} else {
+		memset(info->mask, 0xff, ETH_ALEN);
+	}
+
+	return inv;
+}
+
 static void nft_arp_parse_payload(struct nft_xt_ctx *ctx,
 				  struct nftnl_expr *e, void *data)
 {
@@ -323,7 +371,10 @@ static void nft_arp_parse_payload(struct nft_xt_ctx *ctx,
 			fw->arp.invflags |= ARPT_INV_ARPOP;
 		break;
 	default:
-		if (ctx->payload.offset == sizeof(struct arphdr) +
+		if (ctx->payload.offset == sizeof(struct arphdr)) {
+			if (nft_arp_parse_devaddr(ctx, e, &fw->arp.src_devaddr))
+				fw->arp.invflags |= ARPT_INV_SRCDEVADDR;
+		} else if (ctx->payload.offset == sizeof(struct arphdr) +
 					   fw->arp.arhln) {
 			get_cmp_data(e, &addr, sizeof(addr), &inv);
 			fw->arp.src.s_addr = addr.s_addr;
@@ -339,6 +390,12 @@ static void nft_arp_parse_payload(struct nft_xt_ctx *ctx,
 		} else if (ctx->payload.offset == sizeof(struct arphdr) +
 						  fw->arp.arhln +
 						  sizeof(struct in_addr)) {
+			if (nft_arp_parse_devaddr(ctx, e, &fw->arp.tgt_devaddr))
+				fw->arp.invflags |= ARPT_INV_TGTDEVADDR;
+		} else if (ctx->payload.offset == sizeof(struct arphdr) +
+						  fw->arp.arhln +
+						  sizeof(struct in_addr) +
+						  fw->arp.arhln) {
 			get_cmp_data(e, &addr, sizeof(addr), &inv);
 			fw->arp.tgt.s_addr = addr.s_addr;
 			if (ctx->flags & NFT_XT_CTX_BITWISE) {
@@ -570,37 +627,35 @@ after_devdst:
 	}
 }
 
+static void nft_arp_save_counters(const void *data)
+{
+	const struct iptables_command_state *cs = data;
+
+	printf("[%llu:%llu] ", (unsigned long long)cs->arp.counters.pcnt,
+			       (unsigned long long)cs->arp.counters.bcnt);
+}
+
 static void
-__nft_arp_save_rule(const void *data, unsigned int format)
+nft_arp_save_rule(const void *data, unsigned int format)
 {
 	const struct iptables_command_state *cs = data;
 
+	format |= FMT_NUMERIC;
+
 	nft_arp_print_rule_details(&cs->arp, format);
 
 	if (cs->jumpto != NULL && strcmp(cs->jumpto, "") != 0) {
 		printf("-j %s", cs->jumpto);
 	} else if (cs->target) {
 		printf("-j %s", cs->target->name);
-		cs->target->print(&cs->arp, cs->target->t, format & FMT_NUMERIC);
-	}
-
-	if (!(format & FMT_NOCOUNTS)) {
-		printf(", pcnt=");
-		xtables_print_num(cs->arp.counters.pcnt, format);
-		printf("-- bcnt=");
-		xtables_print_num(cs->arp.counters.bcnt, format);
+		if (cs->target->save != NULL)
+			cs->target->save(&cs->arp, cs->target->t);
 	}
 
 	if (!(format & FMT_NONEWLINE))
 		fputc('\n', stdout);
 }
 
-static void
-nft_arp_save_rule(const void *data, unsigned int format)
-{
-	__nft_arp_save_rule(data, format | FMT_NUMERIC);
-}
-
 static void
 nft_arp_print_rule(struct nftnl_rule *r, unsigned int num, unsigned int format)
 {
@@ -610,7 +665,25 @@ nft_arp_print_rule(struct nftnl_rule *r, unsigned int num, unsigned int format)
 		printf("%u ", num);
 
 	nft_arp_rule_to_cs(r, &cs);
-	__nft_arp_save_rule(&cs, format);
+
+	nft_arp_print_rule_details(&cs.arp, format);
+
+	if (cs.jumpto != NULL && strcmp(cs.jumpto, "") != 0) {
+		printf("-j %s", cs.jumpto);
+	} else if (cs.target) {
+		printf("-j %s", cs.target->name);
+		cs.target->print(&cs.arp, cs.target->t, format & FMT_NUMERIC);
+	}
+
+	if (!(format & FMT_NOCOUNTS)) {
+		printf(", pcnt=");
+		xtables_print_num(cs.arp.counters.pcnt, format);
+		printf("-- bcnt=");
+		xtables_print_num(cs.arp.counters.bcnt, format);
+	}
+
+	if (!(format & FMT_NONEWLINE))
+		fputc('\n', stdout);
 }
 
 static bool nft_arp_is_same(const void *data_a,
@@ -621,7 +694,8 @@ static bool nft_arp_is_same(const void *data_a,
 
 	if (a->arp.src.s_addr != b->arp.src.s_addr
 	    || a->arp.tgt.s_addr != b->arp.tgt.s_addr
-	    || a->arp.smsk.s_addr != b->arp.tmsk.s_addr
+	    || a->arp.smsk.s_addr != b->arp.smsk.s_addr
+	    || a->arp.tmsk.s_addr != b->arp.tmsk.s_addr
 	    || a->arp.arpro != b->arp.arpro
 	    || a->arp.flags != b->arp.flags
 	    || a->arp.invflags != b->arp.invflags) {
@@ -677,7 +751,7 @@ struct nft_family_ops nft_family_ops_arp = {
 	.print_header		= nft_arp_print_header,
 	.print_rule		= nft_arp_print_rule,
 	.save_rule		= nft_arp_save_rule,
-	.save_counters		= NULL,
+	.save_counters		= nft_arp_save_counters,
 	.save_chain		= nft_arp_save_chain,
 	.post_parse		= NULL,
 	.rule_to_cs		= nft_arp_rule_to_cs,

iptables/nft-bridge.c

@@ -21,6 +21,8 @@
 #include "nft-bridge.h"
 #include "nft.h"
 
+static bool ebt_legacy_counter_fmt;
+
 void ebt_cs_clean(struct iptables_command_state *cs)
 {
 	struct ebt_match *m, *nm;
@@ -45,21 +47,12 @@ void ebt_cs_clean(struct iptables_command_state *cs)
 	}
 }
 
-/* 0: default, print only 2 digits if necessary
- * 2: always print 2 digits, a printed mac address
- * then always has the same length
- */
-int ebt_printstyle_mac;
-
 static void ebt_print_mac(const unsigned char *mac)
 {
-	if (ebt_printstyle_mac == 2) {
-		int j;
-		for (j = 0; j < ETH_ALEN; j++)
-			printf("%02x%s", mac[j],
-				(j==ETH_ALEN-1) ? "" : ":");
-	} else
-		printf("%s", ether_ntoa((struct ether_addr *) mac));
+	int j;
+
+	for (j = 0; j < ETH_ALEN; j++)
+		printf("%02x%s", mac[j], (j==ETH_ALEN-1) ? "" : ":");
 }
 
 static bool mac_all_ones(const unsigned char *mac)
@@ -120,33 +113,9 @@ static void add_logical_outiface(struct nftnl_rule *r, char *iface, uint32_t op)
 		add_cmp_ptr(r, op, iface, iface_len + 1);
 }
 
-/* TODO: Use generic add_action() once we convert this to use
- * iptables_command_state.
- */
 static int _add_action(struct nftnl_rule *r, struct iptables_command_state *cs)
 {
-	int ret = 0;
-
-	if (cs->jumpto == NULL || strcmp(cs->jumpto, "CONTINUE") == 0)
-		return 0;
-
-	/* If no target at all, add nothing (default to continue) */
-	if (cs->target != NULL) {
-		/* Standard target? */
-		if (strcmp(cs->jumpto, XTC_LABEL_ACCEPT) == 0)
-			ret = add_verdict(r, NF_ACCEPT);
-		else if (strcmp(cs->jumpto, XTC_LABEL_DROP) == 0)
-			ret = add_verdict(r, NF_DROP);
-		else if (strcmp(cs->jumpto, XTC_LABEL_RETURN) == 0)
-			ret = add_verdict(r, NFT_RETURN);
-		else
-			ret = add_target(r, cs->target->t);
-	} else if (strlen(cs->jumpto) > 0) {
-		/* Not standard, then it's a jump to chain */
-		ret = add_jumpto(r, cs->jumpto, NFT_JUMP);
-	}
-
-	return ret;
+	return add_action(r, cs, false);
 }
 
 static int nft_bridge_add(struct nftnl_rule *r, void *data)
@@ -410,9 +379,9 @@ static void print_mac(char option, const unsigned char *mac,
 		      const unsigned char *mask,
 		      bool invert)
 {
-	printf("-%c ", option);
 	if (invert)
 		printf("! ");
+	printf("-%c ", option);
 	ebt_print_mac_and_mask(mac, mask);
 	printf(" ");
 }
@@ -427,9 +396,9 @@ static void print_protocol(uint16_t ethproto, bool invert, unsigned int bitmask)
 	if (bitmask & EBT_NOPROTO)
 		return;
 
-	printf("-p ");
 	if (invert)
 		printf("! ");
+	printf("-p ");
 
 	if (bitmask & EBT_802_3) {
 		printf("length ");
@@ -443,6 +412,22 @@ static void print_protocol(uint16_t ethproto, bool invert, unsigned int bitmask)
 		printf("%s ", ent->e_name);
 }
 
+static void nft_bridge_save_counters(const void *data)
+{
+	const char *ctr;
+
+	if (ebt_legacy_counter_fmt)
+		return;
+
+	ctr = getenv("EBTABLES_SAVE_COUNTER");
+	if (ctr) {
+		ebt_legacy_counter_fmt = true;
+		return;
+	}
+
+	save_counters(data);
+}
+
 static void nft_bridge_save_rule(const void *data, unsigned int format)
 {
 	const struct iptables_command_state *cs = data;
@@ -479,18 +464,10 @@ static void nft_bridge_save_rule(const void *data, unsigned int format)
 		cs->target->print(&cs->fw, cs->target->t, format & FMT_NUMERIC);
 	}
 
-	if (!(format & FMT_NOCOUNTS)) {
-		const char *counter_fmt;
-
-		if (format & FMT_EBT_SAVE)
-			counter_fmt = " -c %"PRIu64" %"PRIu64"";
-		else
-			counter_fmt = " , pcnt = %"PRIu64" -- bcnt = %"PRIu64"";
-
-		printf(counter_fmt,
+	if (format & FMT_EBT_SAVE)
+		printf(" -c %"PRIu64" %"PRIu64"",
 		       (uint64_t)cs->counters.pcnt,
 		       (uint64_t)cs->counters.bcnt);
-	}
 
 	if (!(format & FMT_NONEWLINE))
 		fputc('\n', stdout);
@@ -505,7 +482,11 @@ static void nft_bridge_print_rule(struct nftnl_rule *r, unsigned int num,
 		printf("%d ", num);
 
 	nft_rule_to_ebtables_command_state(r, &cs);
-	nft_bridge_save_rule(&cs, format);
+	nft_bridge_save_rule(&cs, format & ~FMT_EBT_SAVE);
+	if (!(format & FMT_NOCOUNTS))
+		printf(" , pcnt = %"PRIu64" -- bcnt = %"PRIu64"",
+		       (uint64_t)cs.counters.pcnt,
+		       (uint64_t)cs.counters.bcnt);
 	ebt_cs_clean(&cs);
 }
 
@@ -767,7 +748,7 @@ struct nft_family_ops nft_family_ops_bridge = {
 	.print_header		= nft_bridge_print_header,
 	.print_rule		= nft_bridge_print_rule,
 	.save_rule		= nft_bridge_save_rule,
-	.save_counters		= NULL,
+	.save_counters		= nft_bridge_save_counters,
 	.save_chain		= nft_bridge_save_chain,
 	.post_parse		= NULL,
 	.rule_to_cs		= nft_rule_to_ebtables_command_state,

iptables/nft-bridge.h

@@ -68,6 +68,7 @@ int ebt_get_mac_and_mask(const char *from, unsigned char *to, unsigned char *mas
 #define EBT_VERDICT_BITS 0x0000000F
 
 struct nftnl_rule;
+struct iptables_command_state;
 
 static const char *ebt_standard_targets[NUM_STANDARD_TARGETS] = {
 	"ACCEPT",

iptables/nft-ipv4.c

@@ -48,13 +48,13 @@ static int nft_ipv4_add(struct nftnl_rule *r, void *data)
 		add_l4proto(r, cs->fw.ip.proto, op);
 	}
 
-	if (cs->fw.ip.src.s_addr != 0) {
+	if (cs->fw.ip.src.s_addr || cs->fw.ip.smsk.s_addr || cs->fw.ip.invflags & IPT_INV_SRCIP) {
 		op = nft_invflags2cmp(cs->fw.ip.invflags, IPT_INV_SRCIP);
 		add_addr(r, offsetof(struct iphdr, saddr),
 			 &cs->fw.ip.src.s_addr, &cs->fw.ip.smsk.s_addr,
 			 sizeof(struct in_addr), op);
 	}
-	if (cs->fw.ip.dst.s_addr != 0) {
+	if (cs->fw.ip.dst.s_addr || cs->fw.ip.dmsk.s_addr || cs->fw.ip.invflags & IPT_INV_DSTIP) {
 		op = nft_invflags2cmp(cs->fw.ip.invflags, IPT_INV_DSTIP);
 		add_addr(r, offsetof(struct iphdr, daddr),
 			 &cs->fw.ip.dst.s_addr, &cs->fw.ip.dmsk.s_addr,
@@ -64,7 +64,7 @@ static int nft_ipv4_add(struct nftnl_rule *r, void *data)
 		add_payload(r, offsetof(struct iphdr, frag_off), 2,
 			    NFT_PAYLOAD_NETWORK_HEADER);
 		/* get the 13 bits that contain the fragment offset */
-		add_bitwise_u16(r, 0x1fff, 0);
+		add_bitwise_u16(r, htons(0x1fff), 0);
 
 		/* if offset is non-zero, this is a fragment */
 		op = NFT_CMP_NEQ;

iptables/nft-ipv6.c

@@ -47,13 +47,17 @@ static int nft_ipv6_add(struct nftnl_rule *r, void *data)
 		add_l4proto(r, cs->fw6.ipv6.proto, op);
 	}
 
-	if (!IN6_IS_ADDR_UNSPECIFIED(&cs->fw6.ipv6.src)) {
+	if (!IN6_IS_ADDR_UNSPECIFIED(&cs->fw6.ipv6.src) ||
+	    !IN6_IS_ADDR_UNSPECIFIED(&cs->fw6.ipv6.smsk) ||
+	    (cs->fw6.ipv6.invflags & IPT_INV_SRCIP)) {
 		op = nft_invflags2cmp(cs->fw6.ipv6.invflags, IPT_INV_SRCIP);
 		add_addr(r, offsetof(struct ip6_hdr, ip6_src),
 			 &cs->fw6.ipv6.src, &cs->fw6.ipv6.smsk,
 			 sizeof(struct in6_addr), op);
 	}
-	if (!IN6_IS_ADDR_UNSPECIFIED(&cs->fw6.ipv6.dst)) {
+	if (!IN6_IS_ADDR_UNSPECIFIED(&cs->fw6.ipv6.dst) ||
+	    !IN6_IS_ADDR_UNSPECIFIED(&cs->fw6.ipv6.dmsk) ||
+	    (cs->fw6.ipv6.invflags & IPT_INV_DSTIP)) {
 		op = nft_invflags2cmp(cs->fw6.ipv6.invflags, IPT_INV_DSTIP);
 		add_addr(r, offsetof(struct ip6_hdr, ip6_dst),
 			 &cs->fw6.ipv6.dst, &cs->fw6.ipv6.dmsk,
@@ -235,7 +239,7 @@ static void save_ipv6_addr(char letter, const struct in6_addr *addr,
 		return;
 
 	printf("%s-%c %s",
-		invert ? " !" : "", letter,
+		invert ? "! " : "", letter,
 		inet_ntop(AF_INET6, addr, addr_str, sizeof(addr_str)));
 
 	if (l == -1)

iptables/nft-shared.c

@@ -249,7 +249,7 @@ static void parse_ifname(const char *name, unsigned int len, char *dst, unsigned
 		return;
 	dst[len++] = 0;
 	if (mask)
-		memset(mask, 0xff, len + 1);
+		memset(mask, 0xff, len - 2);
 }
 
 int parse_meta(struct nftnl_expr *e, uint8_t key, char *iniface,

iptables/nft-shared.h

@@ -233,6 +233,7 @@ struct nft_xt_cmd_parse {
 	const char			*policy;
 	bool				restore;
 	int				verbose;
+	bool				xlate;
 };
 
 void do_parse(struct nft_handle *h, int argc, char *argv[],

iptables/nft.c

@@ -290,6 +290,7 @@ static int mnl_append_error(const struct nft_handle *h,
 		[NFT_COMPAT_CHAIN_USER_FLUSH] = "CHAIN_USER_FLUSH",
 		[NFT_COMPAT_CHAIN_UPDATE] = "CHAIN_UPDATE",
 		[NFT_COMPAT_CHAIN_RENAME] = "CHAIN_RENAME",
+		[NFT_COMPAT_CHAIN_ZERO] = "CHAIN_ZERO",
 		[NFT_COMPAT_RULE_APPEND] = "RULE_APPEND",
 		[NFT_COMPAT_RULE_INSERT] = "RULE_INSERT",
 		[NFT_COMPAT_RULE_REPLACE] = "RULE_REPLACE",
@@ -375,8 +376,8 @@ static int batch_rule_add(struct nft_handle *h, enum obj_update_type type,
 	return batch_add(h, type, r);
 }
 
-struct builtin_table xtables_ipv4[TABLES_MAX] = {
-	[RAW] = {
+struct builtin_table xtables_ipv4[NFT_TABLE_MAX] = {
+	[NFT_TABLE_RAW] = {
 		.name	= "raw",
 		.chains = {
 			{
@@ -393,7 +394,7 @@ struct builtin_table xtables_ipv4[TABLES_MAX] = {
 			},
 		},
 	},
-	[MANGLE] = {
+	[NFT_TABLE_MANGLE] = {
 		.name	= "mangle",
 		.chains = {
 			{
@@ -428,7 +429,7 @@ struct builtin_table xtables_ipv4[TABLES_MAX] = {
 			},
 		},
 	},
-	[FILTER] = {
+	[NFT_TABLE_FILTER] = {
 		.name	= "filter",
 		.chains = {
 			{
@@ -451,7 +452,7 @@ struct builtin_table xtables_ipv4[TABLES_MAX] = {
 			},
 		},
 	},
-	[SECURITY] = {
+	[NFT_TABLE_SECURITY] = {
 		.name	= "security",
 		.chains = {
 			{
@@ -474,7 +475,7 @@ struct builtin_table xtables_ipv4[TABLES_MAX] = {
 			},
 		},
 	},
-	[NAT] = {
+	[NFT_TABLE_NAT] = {
 		.name	= "nat",
 		.chains = {
 			{
@@ -507,8 +508,8 @@ struct builtin_table xtables_ipv4[TABLES_MAX] = {
 
 #include <linux/netfilter_arp.h>
 
-struct builtin_table xtables_arp[TABLES_MAX] = {
-	[FILTER] = {
+struct builtin_table xtables_arp[NFT_TABLE_MAX] = {
+	[NFT_TABLE_FILTER] = {
 	.name   = "filter",
 	.chains = {
 			{
@@ -529,8 +530,8 @@ struct builtin_table xtables_arp[TABLES_MAX] = {
 
 #include <linux/netfilter_bridge.h>
 
-struct builtin_table xtables_bridge[TABLES_MAX] = {
-	[FILTER] = {
+struct builtin_table xtables_bridge[NFT_TABLE_MAX] = {
+	[NFT_TABLE_FILTER] = {
 		.name = "filter",
 		.chains = {
 			{
@@ -553,7 +554,7 @@ struct builtin_table xtables_bridge[TABLES_MAX] = {
 			},
 		},
 	},
-	[NAT] = {
+	[NFT_TABLE_NAT] = {
 		.name = "nat",
 		.chains = {
 			{
@@ -638,7 +639,7 @@ nft_table_builtin_find(struct nft_handle *h, const char *table)
 	int i;
 	bool found = false;
 
-	for (i=0; i<TABLES_MAX; i++) {
+	for (i = 0; i < NFT_TABLE_MAX; i++) {
 		if (h->tables[i].name == NULL)
 			continue;
 
@@ -672,9 +673,9 @@ nft_chain_builtin_find(struct builtin_table *t, const char *chain)
 static void nft_chain_builtin_init(struct nft_handle *h,
 				   struct builtin_table *table)
 {
-	int i;
-	struct nftnl_chain_list *list = nft_chain_dump(h);
+	struct nftnl_chain_list *list = nft_chain_list_get(h);
 	struct nftnl_chain *c;
+	int i;
 
 	/* Initialize built-in chains if they don't exist yet */
 	for (i=0; i < NF_INET_NUMHOOKS && table->chains[i].name != NULL; i++) {
@@ -1289,7 +1290,7 @@ err:
 	return MNL_CB_OK;
 }
 
-static struct nftnl_chain_list *nftnl_chain_list_get(struct nft_handle *h)
+struct nftnl_chain_list *nft_chain_list_get(struct nft_handle *h)
 {
 	char buf[16536];
 	struct nlmsghdr *nlh;
@@ -1320,11 +1321,6 @@ retry:
 	return list;
 }
 
-struct nftnl_chain_list *nft_chain_dump(struct nft_handle *h)
-{
-	return nftnl_chain_list_get(h);
-}
-
 static const char *policy_name[NF_ACCEPT+1] = {
 	[NF_DROP] = "DROP",
 	[NF_ACCEPT] = "ACCEPT",
@@ -1533,7 +1529,7 @@ int nft_rule_flush(struct nft_handle *h, const char *chain, const char *table,
 
 	nft_fn = nft_rule_flush;
 
-	list = nftnl_chain_list_get(h);
+	list = nft_chain_list_get(h);
 	if (list == NULL) {
 		ret = 1;
 		goto err;
@@ -1595,7 +1591,7 @@ int nft_chain_user_add(struct nft_handle *h, const char *chain, const char *tabl
 
 	ret = batch_chain_add(h, NFT_COMPAT_CHAIN_USER_ADD, c);
 
-	nft_chain_dump(h);
+	nft_chain_list_get(h);
 
 	nftnl_chain_list_add(c, h->chain_cache);
 
@@ -1619,7 +1615,7 @@ int nft_chain_user_del(struct nft_handle *h, const char *chain,
 
 	nft_fn = nft_chain_user_del;
 
-	list = nftnl_chain_list_get(h);
+	list = nft_chain_list_get(h);
 	if (list == NULL)
 		goto err;
 
@@ -1712,7 +1708,7 @@ nft_chain_find(struct nft_handle *h, const char *table, const char *chain)
 {
 	struct nftnl_chain_list *list;
 
-	list = nftnl_chain_list_get(h);
+	list = nft_chain_list_get(h);
 	if (list == NULL)
 		return NULL;
 
@@ -1754,14 +1750,14 @@ int nft_chain_user_rename(struct nft_handle *h,const char *chain,
 	c = nft_chain_find(h, table, chain);
 	if (c == NULL) {
 		errno = ENOENT;
-		return -1;
+		return 0;
 	}
 	handle = nftnl_chain_get_u64(c, NFTNL_CHAIN_HANDLE);
 
 	/* Now prepare the new name for the chain */
 	c = nftnl_chain_alloc();
 	if (c == NULL)
-		return -1;
+		return 0;
 
 	nftnl_chain_set(c, NFTNL_CHAIN_TABLE, (char *)table);
 	nftnl_chain_set(c, NFTNL_CHAIN_NAME, (char *)newname);
@@ -2328,7 +2324,7 @@ int nft_rule_list(struct nft_handle *h, const char *chain, const char *table,
 		return 1;
 	}
 
-	list = nft_chain_dump(h);
+	list = nft_chain_list_get(h);
 
 	iter = nftnl_chain_list_iter_create(list);
 	if (iter == NULL)
@@ -2473,7 +2469,7 @@ int nft_rule_list_save(struct nft_handle *h, const char *chain,
 		return 0;
 	}
 
-	list = nft_chain_dump(h);
+	list = nft_chain_list_get(h);
 
 	/* Dump policies and custom chains first */
 	if (!rulenum)
@@ -2996,6 +2992,78 @@ int nft_xtables_config_load(struct nft_handle *h, const char *filename,
 	return h->config_done;
 }
 
+static void nft_chain_zero_rule_counters(struct nft_handle *h,
+					 struct nftnl_chain *c)
+{
+	struct nftnl_rule_list_iter *iter;
+	struct nftnl_rule_list *list;
+	const char *table_name;
+	const char *chain_name;
+	struct nftnl_rule *r;
+
+	list = nft_rule_list_get(h);
+	if (list == NULL)
+		return;
+	iter = nftnl_rule_list_iter_create(list);
+	if (iter == NULL)
+		return;
+
+	table_name = nftnl_chain_get_str(c, NFTNL_CHAIN_TABLE);
+	chain_name = nftnl_chain_get_str(c, NFTNL_CHAIN_NAME);
+
+	r = nftnl_rule_list_iter_next(iter);
+	while (r != NULL) {
+		struct nftnl_expr_iter *ei;
+		const char *table_chain;
+		const char *rule_chain;
+		struct nftnl_expr *e;
+		bool zero_needed;
+
+		table_chain = nftnl_rule_get_str(r, NFTNL_RULE_TABLE);
+		if (strcmp(table_chain, table_name))
+			goto next;
+
+		rule_chain = nftnl_rule_get_str(r, NFTNL_RULE_CHAIN);
+		if (strcmp(rule_chain, chain_name))
+			goto next;
+
+		ei = nftnl_expr_iter_create(r);
+		if (!ei)
+			break;
+
+		e = nftnl_expr_iter_next(ei);
+	        zero_needed = false;
+		while (e != NULL) {
+			const char *en = nftnl_expr_get_str(e, NFTNL_EXPR_NAME);
+
+			if (strcmp(en, "counter") == 0 && (
+			    nftnl_expr_get_u64(e, NFTNL_EXPR_CTR_PACKETS) ||
+			    nftnl_expr_get_u64(e, NFTNL_EXPR_CTR_BYTES))) {
+				nftnl_expr_set_u64(e, NFTNL_EXPR_CTR_PACKETS, 0);
+				nftnl_expr_set_u64(e, NFTNL_EXPR_CTR_BYTES, 0);
+				zero_needed = true;
+			}
+
+			e = nftnl_expr_iter_next(ei);
+		}
+
+		nftnl_expr_iter_destroy(ei);
+
+		if (zero_needed) {
+			/*
+			 * Unset RULE_POSITION for older kernels, we want to replace
+			 * rule based on its handle only.
+			 */
+			nftnl_rule_unset(r, NFTNL_RULE_POSITION);
+			batch_rule_add(h, NFT_COMPAT_RULE_REPLACE, r);
+		}
+next:
+		r = nftnl_rule_list_iter_next(iter);
+	}
+
+	nftnl_rule_list_iter_destroy(iter);
+}
+
 int nft_chain_zero_counters(struct nft_handle *h, const char *chain,
 			    const char *table, bool verbose)
 {
@@ -3004,7 +3072,7 @@ int nft_chain_zero_counters(struct nft_handle *h, const char *chain,
 	struct nftnl_chain *c;
 	int ret = 0;
 
-	list = nftnl_chain_list_get(h);
+	list = nft_chain_list_get(h);
 	if (list == NULL)
 		goto err;
 
@@ -3028,8 +3096,13 @@ int nft_chain_zero_counters(struct nft_handle *h, const char *chain,
 		if (verbose)
 			fprintf(stdout, "Zeroing chain `%s'\n", chain_name);
 
-		nftnl_chain_set_u64(c, NFTNL_CHAIN_PACKETS, 0);
-		nftnl_chain_set_u64(c, NFTNL_CHAIN_BYTES, 0);
+		if (nftnl_chain_is_set(c, NFTNL_CHAIN_HOOKNUM)) {
+			/* zero base chain counters. */
+			nftnl_chain_set_u64(c, NFTNL_CHAIN_PACKETS, 0);
+			nftnl_chain_set_u64(c, NFTNL_CHAIN_BYTES, 0);
+		}
+
+		nft_chain_zero_rule_counters(h, c);
 
 		nftnl_chain_unset(c, NFTNL_CHAIN_HANDLE);
 
@@ -3127,7 +3200,7 @@ static int nft_is_chain_compatible(const struct nft_handle *h,
 	prio = nftnl_chain_get_u32(chain, NFTNL_CHAIN_PRIO);
 	hook = nftnl_chain_get_u32(chain, NFTNL_CHAIN_HOOKNUM);
 
-	for (i = 0; i < TABLES_MAX; i++) {
+	for (i = 0; i < NFT_TABLE_MAX; i++) {
 		cur_table = h->tables[i].name;
 		chains = h->tables[i].chains;
 
@@ -3156,7 +3229,7 @@ static int nft_are_chains_compatible(struct nft_handle *h, const char *tablename
 	struct nftnl_chain *chain;
 	int ret = 0;
 
-	list = nftnl_chain_list_get(h);
+	list = nft_chain_list_get(h);
 	if (list == NULL)
 		return -1;
 

iptables/nft.h

@@ -5,12 +5,14 @@
 #include "nft-shared.h"
 #include <libiptc/linux_list.h>
 
-#define FILTER         0
-#define MANGLE         1
-#define RAW            2
-#define SECURITY       3
-#define NAT            4
-#define TABLES_MAX     5
+enum nft_table_type {
+	NFT_TABLE_FILTER	= 0,
+	NFT_TABLE_MANGLE,
+	NFT_TABLE_RAW,
+	NFT_TABLE_SECURITY,
+	NFT_TABLE_NAT,
+};
+#define NFT_TABLE_MAX	(NFT_TABLE_NAT + 1)
 
 struct builtin_chain {
 	const char *name;
@@ -47,9 +49,9 @@ struct nft_handle {
 	} error;
 };
 
-extern struct builtin_table xtables_ipv4[TABLES_MAX];
-extern struct builtin_table xtables_arp[TABLES_MAX];
-extern struct builtin_table xtables_bridge[TABLES_MAX];
+extern struct builtin_table xtables_ipv4[NFT_TABLE_MAX];
+extern struct builtin_table xtables_arp[NFT_TABLE_MAX];
+extern struct builtin_table xtables_bridge[NFT_TABLE_MAX];
 
 int mnl_talk(struct nft_handle *h, struct nlmsghdr *nlh,
 	     int (*cb)(const struct nlmsghdr *nlh, void *data),
@@ -76,7 +78,7 @@ struct builtin_table *nft_table_builtin_find(struct nft_handle *h, const char *t
 struct nftnl_chain;
 
 int nft_chain_set(struct nft_handle *h, const char *table, const char *chain, const char *policy, const struct xt_counters *counters);
-struct nftnl_chain_list *nft_chain_dump(struct nft_handle *h);
+struct nftnl_chain_list *nft_chain_list_get(struct nft_handle *h);
 struct nftnl_chain *nft_chain_list_find(struct nftnl_chain_list *list, const char *table, const char *chain);
 int nft_chain_save(struct nft_handle *h, struct nftnl_chain_list *list, const char *table);
 int nft_chain_user_add(struct nft_handle *h, const char *chain, const char *table);

iptables/tests/shell/testcases/arptables/0001-arptables-save-restore_0

@@ -11,11 +11,12 @@ set -e
 $XT_MULTI arptables -F
 $XT_MULTI arptables -A INPUT -s 10.0.0.0/8 -j ACCEPT
 $XT_MULTI arptables -A INPUT -d 192.168.123.1 -j ACCEPT
-#$XT_MULTI arptables -A INPUT --source-mac fe:ed:ba:be:00:01 -j ACCEPT
-#$XT_MULTI arptables -A INPUT --destination-mac fe:ed:ba:be:00:01 -j ACCEPT
+$XT_MULTI arptables -A INPUT --source-mac fe:ed:ba:be:00:01 -j ACCEPT
+$XT_MULTI arptables -A INPUT --destination-mac fe:ed:ba:be:00:01 -j ACCEPT
 $XT_MULTI arptables -N foo
 $XT_MULTI arptables -A foo -i lo -j ACCEPT
 $XT_MULTI arptables -A foo -l 6 -j ACCEPT
+$XT_MULTI arptables -A foo -j MARK --set-mark 12345
 $XT_MULTI arptables -A foo --opcode Request -j ACCEPT
 $XT_MULTI arptables -A foo --h-type 1 --proto-type 0x800 -j ACCEPT
 $XT_MULTI arptables -A foo -l 6 --h-type 1 --proto-type 0x800 -i lo --opcode Request -j ACCEPT
@@ -34,18 +35,21 @@ DUMP='*filter
 :INPUT ACCEPT
 :OUTPUT DROP
 :foo -
--A INPUT -s 10.0.0.0/8 -j ACCEPT
--A INPUT -d 192.168.123.1 -j ACCEPT
--A INPUT -j foo
--A INPUT 
--A OUTPUT -o lo -j ACCEPT
--A OUTPUT -o eth134 -j mangle --mangle-ip-s 10.0.0.1
--A OUTPUT -o eth432 -j CLASSIFY --set-class feed:babe
--A OUTPUT -o eth432 --opcode 1 -j CLASSIFY --set-class feed:babe
--A foo -i lo -j ACCEPT
--A foo --h-length 6 -j ACCEPT
--A foo --opcode 1 -j ACCEPT
--A foo --h-type 1 --proto-type 0x800 -j ACCEPT
+-A INPUT -s 10.0.0.0/8 --h-length 6 --h-type 1 -j ACCEPT
+-A INPUT -d 192.168.123.1 --h-length 6 --h-type 1 -j ACCEPT
+-A INPUT --src-mac fe:ed:ba:be:00:01 --h-length 6 --h-type 1 -j ACCEPT
+-A INPUT --dst-mac fe:ed:ba:be:00:01 --h-length 6 --h-type 1 -j ACCEPT
+-A INPUT --h-length 6 --h-type 1 -j foo
+-A INPUT --h-length 6 --h-type 1 
+-A OUTPUT -o lo --h-length 6 --h-type 1 -j ACCEPT
+-A OUTPUT -o eth134 --h-length 6 --h-type 1 -j mangle --mangle-ip-s 10.0.0.1
+-A OUTPUT -o eth432 --h-length 6 --h-type 1 -j CLASSIFY --set-class feed:babe
+-A OUTPUT -o eth432 --h-length 6 --opcode 1 --h-type 1 -j CLASSIFY --set-class feed:babe
+-A foo -i lo --h-length 6 --h-type 1 -j ACCEPT
+-A foo --h-length 6 --h-type 1 -j ACCEPT
+-A foo --h-length 6 --h-type 1 -j MARK --set-xmark 0x3039/0xffffffff
+-A foo --h-length 6 --opcode 1 --h-type 1 -j ACCEPT
+-A foo --h-length 6 --h-type 1 --proto-type 0x800 -j ACCEPT
 -A foo -i lo --h-length 6 --opcode 1 --h-type 1 --proto-type 0x800 -j ACCEPT
 '
 

iptables/tests/shell/testcases/arptables/0002-arptables-restore-defaults_0

@@ -11,7 +11,7 @@ set -e
 DUMP='*filter
 :OUTPUT ACCEPT
 -A OUTPUT -j mangle --mangle-ip-s 10.0.0.1
--A OUTPUT -j mangle --mangle-ip-d 10.0.0.2
+-A OUTPUT --h-length 6 --h-type 1 -j mangle --mangle-ip-d 10.0.0.2
 '
 
 # note how mangle-ip-s is unset in second rule
@@ -19,8 +19,8 @@ DUMP='*filter
 EXPECT='*filter
 :INPUT ACCEPT
 :OUTPUT ACCEPT
--A OUTPUT -j mangle --mangle-ip-s 10.0.0.1
--A OUTPUT -j mangle --mangle-ip-d 10.0.0.2
+-A OUTPUT --h-length 6 --h-type 1 -j mangle --mangle-ip-s 10.0.0.1
+-A OUTPUT --h-length 6 --h-type 1 -j mangle --mangle-ip-d 10.0.0.2
 '
 
 $XT_MULTI arptables -F

iptables/tests/shell/testcases/ebtables/0002-ebtables-save-restore_0

@@ -75,8 +75,8 @@ DUMP='*filter
 -A foo -p ARP --arp-op Request -j ACCEPT
 -A foo -p ARP --arp-ip-src 10.0.0.1 -j ACCEPT
 -A foo -p ARP --arp-ip-dst 10.0.0.0/8 -j ACCEPT
--A foo -p ARP --arp-mac-src fe:ed:ba:be:0:1 -j ACCEPT
--A foo -p ARP --arp-mac-dst fe:ed:ba:0:0:0/ff:ff:ff:0:0:0 -j ACCEPT
+-A foo -p ARP --arp-mac-src fe:ed:ba:be:00:01 -j ACCEPT
+-A foo -p ARP --arp-mac-dst fe:ed:ba:00:00:00/ff:ff:ff:00:00:00 -j ACCEPT
 -A foo -p IPv4 --ip-src 10.0.0.1 -j ACCEPT
 -A foo -p IPv4 --ip-dst 10.0.0.0/8 -j ACCEPT
 -A foo -p IPv4 --ip-tos 0x10 -j ACCEPT

iptables/tests/shell/testcases/iptables/0004-return-codes_0

@@ -23,6 +23,10 @@ cmd 1 iptables -N foo
 # iptables-nft allows this - bug or feature?
 #cmd 2 iptables -N "invalid name"
 
+# test chain rename
+cmd 0 iptables -E foo bar
+cmd 1 iptables -E foo bar
+
 # test rule adding
 cmd 0 iptables -A INPUT -j ACCEPT
 cmd 1 iptables -A noexist -j ACCEPT

iptables/xtables-arp.c

@@ -208,9 +208,6 @@ static int inverse_for_options[NUMBER_OF_OPT] =
 /* -c */ 0,
 };
 
-const char *program_version = XTABLES_VERSION;
-const char *program_name = "arptables";
-
 /* A few hardcoded protocols for 'all' and in case the user has no
    /etc/protocols */
 struct pprot {
@@ -233,12 +230,12 @@ struct pprot {
 /* ARPTABLES SPECIFIC NEW FUNCTIONS ADDED HERE */
 /***********************************************/
 
-unsigned char mac_type_unicast[ETH_ALEN] =   {0,0,0,0,0,0};
-unsigned char msk_type_unicast[ETH_ALEN] =   {1,0,0,0,0,0};
-unsigned char mac_type_multicast[ETH_ALEN] = {1,0,0,0,0,0};
-unsigned char msk_type_multicast[ETH_ALEN] = {1,0,0,0,0,0};
-unsigned char mac_type_broadcast[ETH_ALEN] = {255,255,255,255,255,255};
-unsigned char msk_type_broadcast[ETH_ALEN] = {255,255,255,255,255,255};
+static unsigned char mac_type_unicast[ETH_ALEN] =   {0,0,0,0,0,0};
+static unsigned char msk_type_unicast[ETH_ALEN] =   {1,0,0,0,0,0};
+static unsigned char mac_type_multicast[ETH_ALEN] = {1,0,0,0,0,0};
+static unsigned char msk_type_multicast[ETH_ALEN] = {1,0,0,0,0,0};
+static unsigned char mac_type_broadcast[ETH_ALEN] = {255,255,255,255,255,255};
+static unsigned char msk_type_broadcast[ETH_ALEN] = {255,255,255,255,255,255};
 
 /*
  * put the mac address into 6 (ETH_ALEN) bytes
@@ -406,7 +403,8 @@ static void
 exit_tryhelp(int status)
 {
 	fprintf(stderr, "Try `%s -h' or '%s --help' for more information.\n",
-			program_name, program_name );
+		arptables_globals.program_name,
+		arptables_globals.program_version);
 	exit(status);
 }
 
@@ -425,10 +423,16 @@ exit_printhelp(void)
 "       %s -E old-chain-name new-chain-name\n"
 "       %s -P chain target [options]\n"
 "       %s -h (print this help information)\n\n",
-	       program_name, program_version, program_name, program_name,
-	       program_name, program_name, program_name, program_name,
-	       program_name, program_name);
-
+	       arptables_globals.program_name,
+	       arptables_globals.program_version,
+	       arptables_globals.program_name,
+	       arptables_globals.program_name,
+	       arptables_globals.program_name,
+	       arptables_globals.program_name,
+	       arptables_globals.program_name,
+	       arptables_globals.program_name,
+	       arptables_globals.program_name,
+	       arptables_globals.program_name);
 	printf(
 "Commands:\n"
 "Either long or short options are allowed.\n"
@@ -905,6 +909,8 @@ int do_commandarp(struct nft_handle *h, int argc, char *argv[], char **table,
 {
 	struct iptables_command_state cs = {
 		.jumpto = "",
+		.arp.arp.arhln = 6,
+		.arp.arp.arhrd = htons(ARPHRD_ETHER),
 	};
 	int invert = 0;
 	unsigned int nsaddrs = 0, ndaddrs = 0;
@@ -1104,18 +1110,8 @@ int do_commandarp(struct nft_handle *h, int argc, char *argv[], char **table,
 
 			break;
 
-		case 8:/* protocol length */
+		case 8: /* was never supported, not even in arptables-legacy */
 			xtables_error(PARAMETER_PROBLEM, "not supported");
-/*
-			check_inverse(optarg, &invert, &optind, argc);
-			set_option(&options, OPT_P_LENGTH, &cs.arp.arp.invflags,
-				   invert);
-
-			getlength_and_mask(argv[optind - 1], &cs.arp.arp.arpln,
-					   &cs.arp.arp.arpln_mask);
-			break;
-*/
-
 		case 4:/* opcode */
 			check_inverse(optarg, &invert, &optind, argc);
 			set_option(&options, OPT_OPCODE, &cs.arp.arp.invflags,
@@ -1170,7 +1166,6 @@ int do_commandarp(struct nft_handle *h, int argc, char *argv[], char **table,
 			parse_interface(argv[optind-1],
 					cs.arp.arp.iniface,
 					cs.arp.arp.iniface_mask);
-/*			cs.arp.nfcache |= NFC_IP_IF_IN; */
 			break;
 
 		case 'o':
@@ -1180,7 +1175,6 @@ int do_commandarp(struct nft_handle *h, int argc, char *argv[], char **table,
 			parse_interface(argv[optind-1],
 					cs.arp.arp.outiface,
 					cs.arp.arp.outiface_mask);
-			/* cs.arp.nfcache |= NFC_IP_IF_OUT; */
 			break;
 
 		case 'v':
@@ -1190,24 +1184,8 @@ int do_commandarp(struct nft_handle *h, int argc, char *argv[], char **table,
 			verbose++;
 			break;
 
-		case 'm': /*{
-			size_t size;
-
-			if (invert)
-				exit_error(PARAMETER_PROBLEM,
-					   "unexpected ! flag before --match");
-
-			m = find_match(optarg, LOAD_MUST_SUCCEED);
-			size = ARPT_ALIGN(sizeof(struct arpt_entry_match))
-					 + m->size;
-			m->m = fw_calloc(1, size);
-			m->m->u.match_size = size;
-			strcpy(m->m->u.user.name, m->name);
-			m->init(m->m, &fw.nfcache);
-			opts = merge_options(opts, m->extra_opts, &m->option_offset);
-		}*/
-		break;
-
+		case 'm': /* ignored by arptables-legacy */
+			break;
 		case 'n':
 			set_option(&options, OPT_NUMERIC, &cs.arp.arp.invflags,
 				   invert);
@@ -1217,15 +1195,19 @@ int do_commandarp(struct nft_handle *h, int argc, char *argv[], char **table,
 			if (invert)
 				xtables_error(PARAMETER_PROBLEM,
 					      "unexpected ! flag before --table");
-			*table = argv[optind-1];
+			/* ignore this option.
+			 * arptables-legacy parses it, but libarptc doesn't use it.
+			 * arptables only has a 'filter' table anyway.
+			 */
 			break;
 
 		case 'V':
 			if (invert)
-				printf("Not %s ;-)\n", program_version);
+				printf("Not %s ;-)\n", arptables_globals.program_version);
 			else
 				printf("%s v%s (nf_tables)\n",
-				       program_name, program_version);
+				       arptables_globals.program_name,
+				       arptables_globals.program_version);
 			exit(0);
 
 		case '0':

iptables/xtables-eb.c

@@ -655,6 +655,7 @@ void ebt_load_match_extensions(void)
 	ebt_load_target("mark");
 	ebt_load_target("dnat");
 	ebt_load_target("snat");
+	ebt_load_target("arpreply");
 	ebt_load_target("redirect");
 	ebt_load_target("standard");
 }
@@ -824,6 +825,7 @@ int do_commandeb(struct nft_handle *h, int argc, char *argv[], char **table,
 	struct xtables_target *t;
 	struct iptables_command_state cs = {
 		.argv = argv,
+		.jumpto	= "",
 		.eb.bitmask = EBT_NOPROTO,
 	};
 	char command = 'h';
@@ -999,9 +1001,6 @@ print_zero:
 			}
 			break;
 		case 't': /* Table */
-			if (OPT_COMMANDS)
-				xtables_error(PARAMETER_PROBLEM,
-					      "Please put the -t option first");
 			ebt_check_option2(&flags, OPT_TABLE);
 			if (strlen(optarg) > EBT_TABLE_MAXNAMELEN - 1)
 				xtables_error(PARAMETER_PROBLEM,
@@ -1066,8 +1065,10 @@ print_zero:
 				break;
 			} else if (c == 'j') {
 				ebt_check_option2(&flags, OPT_JUMP);
-				cs.jumpto = parse_target(optarg);
-				cs.target = ebt_command_jump(cs.jumpto);
+				if (strcmp(optarg, "CONTINUE") != 0) {
+					cs.jumpto = parse_target(optarg);
+					cs.target = ebt_command_jump(cs.jumpto);
+				}
 				break;
 			} else if (c == 's') {
 				ebt_check_option2(&flags, OPT_SOURCE);

iptables/xtables-restore.c

@@ -60,7 +60,7 @@ static struct nftnl_chain_list *get_chain_list(struct nft_handle *h)
 {
 	struct nftnl_chain_list *chain_list;
 
-	chain_list = nft_chain_dump(h);
+	chain_list = nft_chain_list_get(h);
 	if (chain_list == NULL)
 		xtables_error(OTHER_PROBLEM, "cannot retrieve chain list\n");
 

iptables/xtables-save.c

@@ -43,6 +43,23 @@ static const struct option options[] = {
 	{NULL},
 };
 
+static const struct option arp_save_options[] = {
+	{.name = "counters", .has_arg = false, .val = 'c'},
+	{.name = "version",  .has_arg = false, .val = 'V'},
+	{.name = "modprobe", .has_arg = true,  .val = 'M'},
+	{NULL},
+};
+
+static const struct option ebt_save_options[] = {
+	{.name = "counters", .has_arg = false, .val = 'c'},
+	{.name = "version",  .has_arg = false, .val = 'V'},
+	{.name = "table",    .has_arg = true,  .val = 't'},
+	{.name = "modprobe", .has_arg = true,  .val = 'M'},
+	{NULL},
+};
+
+static bool ebt_legacy_counter_format;
+
 static int
 __do_output(struct nft_handle *h, const char *tablename, bool counters)
 {
@@ -56,7 +73,7 @@ __do_output(struct nft_handle *h, const char *tablename, bool counters)
 		return 0;
 	}
 
-	chain_list = nft_chain_dump(h);
+	chain_list = nft_chain_list_get(h);
 
 	time_t now = time(NULL);
 
@@ -226,6 +243,7 @@ int xtables_ip6_save_main(int argc, char *argv[])
 static int __ebt_save(struct nft_handle *h, const char *tablename, bool counters)
 {
 	struct nftnl_chain_list *chain_list;
+	unsigned int format = FMT_NOCOUNTS;
 	static bool first = true;
 	time_t now;
 
@@ -239,7 +257,7 @@ static int __ebt_save(struct nft_handle *h, const char *tablename, bool counters
 		return 0;
 	}
 
-	chain_list = nft_chain_dump(h);
+	chain_list = nft_chain_list_get(h);
 
 	if (first) {
 		now = time(NULL);
@@ -249,25 +267,40 @@ static int __ebt_save(struct nft_handle *h, const char *tablename, bool counters
 	}
 	printf("*%s\n", tablename);
 
+	if (counters)
+		format = ebt_legacy_counter_format ? FMT_EBT_SAVE : 0;
+
 	/* Dump out chain names first,
 	 * thereby preventing dependency conflicts */
 	nft_chain_save(h, chain_list, tablename);
-	nft_rule_save(h, tablename,
-		      FMT_EBT_SAVE | (counters ? 0 : FMT_NOCOUNTS));
+	nft_rule_save(h, tablename, format);
 	printf("\n");
 	return 0;
 }
 
+static int ebt_save(struct nft_handle *h, const char *tablename, bool counters)
+{
+	if (!tablename)
+		return nft_for_each_table(h, __ebt_save, counters);
+
+	return __ebt_save(h, tablename, counters);
+}
+
 int xtables_eb_save_main(int argc_, char *argv_[])
 {
 	const char *ctr = getenv("EBTABLES_SAVE_COUNTER");
+	const char *tablename = NULL;
 	struct nft_handle h = {
 		.family	= NFPROTO_BRIDGE,
 	};
 	int c;
 
-	if (ctr && strcmp(ctr, "yes"))
-		ctr = NULL;
+	if (ctr) {
+		if (strcmp(ctr, "yes") == 0) {
+			ebt_legacy_counter_format = true;
+			show_counters = true;
+		}
+	}
 
 	xtables_globals.program_name = "ebtables-save";
 	c = xtables_init_all(&xtables_globals, h.family);
@@ -278,6 +311,30 @@ int xtables_eb_save_main(int argc_, char *argv_[])
 		exit(1);
 	}
 
+	while ((c = getopt_long(argc_, argv_, "ct:M:V", ebt_save_options, NULL)) != -1) {
+		switch (c) {
+		case 'c':
+			unsetenv("EBTABLES_SAVE_COUNTER");
+			show_counters = true;
+			ebt_legacy_counter_format = false;
+			break;
+		case 't':
+			/* Select specific table. */
+			tablename = optarg;
+			break;
+		case 'M':
+			xtables_modprobe_program = optarg;
+			break;
+		case 'V':
+			printf("%s v%s (nf_tables)\n", prog_name, prog_vers);
+			exit(0);
+		default:
+			fprintf(stderr,
+				"Look at manual page `xtables-save.8' for more information.\n");
+			exit(1);
+		}
+	}
+
 	if (nft_init(&h, xtables_bridge) < 0) {
 		fprintf(stderr, "%s/%s Failed to initialize nft: %s\n",
 				xtables_globals.program_name,
@@ -286,7 +343,7 @@ int xtables_eb_save_main(int argc_, char *argv_[])
 		exit(EXIT_FAILURE);
 	}
 
-	nft_for_each_table(&h, __ebt_save, !!ctr);
+	ebt_save(&h, tablename, show_counters);
 	nft_fini(&h);
 	return 0;
 }
@@ -307,6 +364,24 @@ int xtables_arp_save_main(int argc, char **argv)
 		exit(1);
 	}
 
+	while ((c = getopt_long(argc, argv, "cM:V", arp_save_options, NULL)) != -1) {
+		switch (c) {
+		case 'c':
+			show_counters = true;
+			break;
+		case 'M':
+			xtables_modprobe_program = optarg;
+			break;
+		case 'V':
+			printf("%s v%s (nf_tables)\n", prog_name, prog_vers);
+			exit(0);
+		default:
+			fprintf(stderr,
+				"Look at manual page `xtables-save.8' for more information.\n");
+			exit(1);
+		}
+	}
+
 	if (nft_init(&h, xtables_arp) < 0) {
 		fprintf(stderr, "%s/%s Failed to initialize nft: %s\n",
 				xtables_globals.program_name,
@@ -324,8 +399,8 @@ int xtables_arp_save_main(int argc, char **argv)
 	}
 
 	printf("*filter\n");
-	nft_chain_save(&h, nft_chain_dump(&h), "filter");
-	nft_rule_save(&h, "filter", FMT_NOCOUNTS);
+	nft_chain_save(&h, nft_chain_list_get(&h), "filter");
+	nft_rule_save(&h, "filter", show_counters ? 0 : FMT_NOCOUNTS);
 	printf("\n");
 	nft_fini(&h);
 	return 0;

iptables/xtables-translate.c

@@ -216,6 +216,7 @@ static int do_command_xlate(struct nft_handle *h, int argc, char *argv[],
 	struct nft_xt_cmd_parse p = {
 		.table		= *table,
 		.restore	= restore,
+		.xlate		= true,
 	};
 	struct iptables_command_state cs;
 	struct xtables_args args = {

iptables/xtables.c

@@ -1040,6 +1040,7 @@ void do_parse(struct nft_handle *h, int argc, char *argv[],
 
 	if (p->command == CMD_APPEND ||
 	    p->command == CMD_DELETE ||
+	    p->command == CMD_DELETE_NUM ||
 	    p->command == CMD_CHECK ||
 	    p->command == CMD_INSERT ||
 	    p->command == CMD_REPLACE) {
@@ -1063,16 +1064,16 @@ void do_parse(struct nft_handle *h, int argc, char *argv[],
 					   p->chain);
 		}
 
-		if (!nft_chain_exists(h, p->table, p->chain))
+		if (!p->xlate && !nft_chain_exists(h, p->table, p->chain))
 			xtables_error(OTHER_PROBLEM,
-				      "Chain '%s' does not exist", cs->jumpto);
+				      "Chain '%s' does not exist", p->chain);
 
-		if (!cs->target && strlen(cs->jumpto) > 0 &&
+		if (!p->xlate && !cs->target && strlen(cs->jumpto) > 0 &&
 		    !nft_chain_exists(h, p->table, cs->jumpto))
 			xtables_error(PARAMETER_PROBLEM,
 				      "Chain '%s' does not exist", cs->jumpto);
 	}
-	if (p->command == CMD_NEW_CHAIN &&
+	if (!p->xlate && p->command == CMD_NEW_CHAIN &&
 	    nft_chain_exists(h, p->table, p->chain))
 		xtables_error(OTHER_PROBLEM, "Chain already exists");
 }