From 2dc07bcd7eaa56369dff01b596acf010308007d3 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Mon, 22 Oct 2018 21:18:19 +0200
Subject: src: pass struct nft_ctx through struct netlink_ctx

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 include/netlink.h         |   9 +---
 include/rule.h            |  10 ++--
 src/evaluate.c            |  55 +++++++-------------
 src/libnftables.c         |   8 +--
 src/mnl.c                 |  28 +++++-----
 src/monitor.c             |  52 +++++++++----------
 src/netlink.c             |  41 +++++++--------
 src/netlink_delinearize.c |   4 +-
 src/nfnl_osf.c            |  16 +++---
 src/rule.c                | 128 ++++++++++++++++++++++------------------------
 10 files changed, 156 insertions(+), 195 deletions(-)

diff --git a/include/netlink.h b/include/netlink.h
index b7e2232f..b26ef459 100644
--- a/include/netlink.h
+++ b/include/netlink.h
@@ -35,26 +35,21 @@ extern const struct location netlink_location;
 /** 
  * struct netlink_ctx
  *
+ * @nft:	nftables context
  * @msgs:	message queue
  * @list:	list of parsed rules/chains/tables
  * @set:	current set
  * @data:	pointer to pass data to callback
  * @seqnum:	sequence number
- * @octx:	output context
- * @debug_mask:	display debugging information
- * @cache:	cache context
  */
 struct netlink_ctx {
-	struct mnl_socket	*nf_sock;
+	struct nft_ctx		*nft;
 	struct list_head	*msgs;
 	struct list_head	list;
 	struct set		*set;
 	const void		*data;
 	uint32_t		seqnum;
 	struct nftnl_batch	*batch;
-	unsigned int		debug_mask;
-	struct output_ctx	*octx;
-	struct nft_cache	*cache;
 };
 
 extern struct nftnl_expr *alloc_nft_expr(const char *name);
diff --git a/include/rule.h b/include/rule.h
index c6c5ca98..977f2748 100644
--- a/include/rule.h
+++ b/include/rule.h
@@ -618,12 +618,10 @@ extern struct error_record *rule_postprocess(struct rule *rule);
 struct netlink_ctx;
 extern int do_command(struct netlink_ctx *ctx, struct cmd *cmd);
 
-extern int cache_update(struct mnl_socket *nf_sock, struct nft_cache *cache,
-			enum cmd_ops cmd, struct list_head *msgs, unsigned int debug_flag,
-			struct output_ctx *octx);
-extern void cache_flush(struct mnl_socket *nf_sock, struct nft_cache *cache,
-			enum cmd_ops cmd, struct list_head *msgs,
-			unsigned int debug_mask, struct output_ctx *octx);
+extern int cache_update(struct nft_ctx *ctx, enum cmd_ops cmd,
+			struct list_head *msgs);
+extern void cache_flush(struct nft_ctx *ctx, enum cmd_ops cmd,
+			struct list_head *msgs);
 extern void cache_release(struct nft_cache *cache);
 
 enum udata_type {
diff --git a/src/evaluate.c b/src/evaluate.c
index 15aa5980..66e9293f 100644
--- a/src/evaluate.c
+++ b/src/evaluate.c
@@ -187,8 +187,7 @@ static int expr_evaluate_symbol(struct eval_ctx *ctx, struct expr **expr)
 		}
 		break;
 	case SYMBOL_SET:
-		ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, ctx->cmd->op,
-				   ctx->msgs, ctx->nft->debug_mask, &ctx->nft->output);
+		ret = cache_update(ctx->nft, ctx->cmd->op, ctx->msgs);
 		if (ret < 0)
 			return ret;
 
@@ -1730,9 +1729,7 @@ static int expr_evaluate_socket(struct eval_ctx *ctx, struct expr **expr)
 static int expr_evaluate_osf(struct eval_ctx *ctx, struct expr **expr)
 {
 	struct netlink_ctx nl_ctx = {
-		.nf_sock	= ctx->nft->nf_sock,
-		.debug_mask	= ctx->nft->debug_mask,
-		.octx		= &ctx->nft->output,
+		.nft		= ctx->nft,
 		.seqnum		= time(NULL),
 	};
 
@@ -3086,8 +3083,7 @@ static int rule_translate_index(struct eval_ctx *ctx, struct rule *rule)
 	int ret;
 
 	/* update cache with CMD_LIST so that rules are fetched, too */
-	ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, CMD_LIST,
-			ctx->msgs, ctx->nft->debug_mask, &ctx->nft->output);
+	ret = cache_update(ctx->nft, CMD_LIST, ctx->msgs);
 	if (ret < 0)
 		return ret;
 
@@ -3315,15 +3311,13 @@ static int cmd_evaluate_add(struct eval_ctx *ctx, struct cmd *cmd)
 
 	switch (cmd->obj) {
 	case CMD_OBJ_SETELEM:
-		ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op,
-				   ctx->msgs, ctx->nft->debug_mask, &ctx->nft->output);
+		ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 		if (ret < 0)
 			return ret;
 
 		return setelem_evaluate(ctx, &cmd->expr);
 	case CMD_OBJ_SET:
-		ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op,
-				   ctx->msgs, ctx->nft->debug_mask, &ctx->nft->output);
+		ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 		if (ret < 0)
 			return ret;
 
@@ -3333,8 +3327,7 @@ static int cmd_evaluate_add(struct eval_ctx *ctx, struct cmd *cmd)
 		handle_merge(&cmd->rule->handle, &cmd->handle);
 		return rule_evaluate(ctx, cmd->rule);
 	case CMD_OBJ_CHAIN:
-		ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op,
-				   ctx->msgs, ctx->nft->debug_mask, &ctx->nft->output);
+		ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 		if (ret < 0)
 			return ret;
 
@@ -3342,8 +3335,7 @@ static int cmd_evaluate_add(struct eval_ctx *ctx, struct cmd *cmd)
 	case CMD_OBJ_TABLE:
 		return table_evaluate(ctx, cmd->table);
 	case CMD_OBJ_FLOWTABLE:
-		ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op,
-				   ctx->msgs, ctx->nft->debug_mask, &ctx->nft->output);
+		ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 		if (ret < 0)
 			return ret;
 
@@ -3367,8 +3359,7 @@ static int cmd_evaluate_delete(struct eval_ctx *ctx, struct cmd *cmd)
 
 	switch (cmd->obj) {
 	case CMD_OBJ_SETELEM:
-		ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op,
-				   ctx->msgs, ctx->nft->debug_mask, &ctx->nft->output);
+		ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 		if (ret < 0)
 			return ret;
 
@@ -3396,8 +3387,7 @@ static int cmd_evaluate_get(struct eval_ctx *ctx, struct cmd *cmd)
 	struct set *set;
 	int ret;
 
-	ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op, ctx->msgs,
-			   ctx->nft->debug_mask, &ctx->nft->output);
+	ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 	if (ret < 0)
 		return ret;
 
@@ -3446,8 +3436,7 @@ static int cmd_evaluate_list(struct eval_ctx *ctx, struct cmd *cmd)
 	struct set *set;
 	int ret;
 
-	ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op, ctx->msgs,
-			   ctx->nft->debug_mask, &ctx->nft->output);
+	ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 	if (ret < 0)
 		return ret;
 
@@ -3549,8 +3538,7 @@ static int cmd_evaluate_reset(struct eval_ctx *ctx, struct cmd *cmd)
 {
 	int ret;
 
-	ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op, ctx->msgs,
-			   ctx->nft->debug_mask, &ctx->nft->output);
+	ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 	if (ret < 0)
 		return ret;
 
@@ -3579,8 +3567,7 @@ static int cmd_evaluate_flush(struct eval_ctx *ctx, struct cmd *cmd)
 
 	switch (cmd->obj) {
 	case CMD_OBJ_RULESET:
-		cache_flush(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op, ctx->msgs,
-			    ctx->nft->debug_mask, &ctx->nft->output);
+		cache_flush(ctx->nft, cmd->op, ctx->msgs);
 		break;
 	case CMD_OBJ_TABLE:
 		/* Flushing a table does not empty the sets in the table nor remove
@@ -3590,8 +3577,7 @@ static int cmd_evaluate_flush(struct eval_ctx *ctx, struct cmd *cmd)
 		/* Chains don't hold sets */
 		break;
 	case CMD_OBJ_SET:
-		ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op, ctx->msgs,
-				   ctx->nft->debug_mask, &ctx->nft->output);
+		ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 		if (ret < 0)
 			return ret;
 
@@ -3607,8 +3593,7 @@ static int cmd_evaluate_flush(struct eval_ctx *ctx, struct cmd *cmd)
 					 strerror(ENOENT));
 		return 0;
 	case CMD_OBJ_MAP:
-		ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op, ctx->msgs,
-				   ctx->nft->debug_mask, &ctx->nft->output);
+		ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 		if (ret < 0)
 			return ret;
 
@@ -3624,8 +3609,7 @@ static int cmd_evaluate_flush(struct eval_ctx *ctx, struct cmd *cmd)
 					 strerror(ENOENT));
 		return 0;
 	case CMD_OBJ_METER:
-		ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op, ctx->msgs,
-				   ctx->nft->debug_mask, &ctx->nft->output);
+		ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 		if (ret < 0)
 			return ret;
 
@@ -3653,8 +3637,7 @@ static int cmd_evaluate_rename(struct eval_ctx *ctx, struct cmd *cmd)
 
 	switch (cmd->obj) {
 	case CMD_OBJ_CHAIN:
-		ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op,
-				   ctx->msgs, ctx->nft->debug_mask, &ctx->nft->output);
+		ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 		if (ret < 0)
 			return ret;
 
@@ -3753,8 +3736,7 @@ static int cmd_evaluate_monitor(struct eval_ctx *ctx, struct cmd *cmd)
 	uint32_t event;
 	int ret;
 
-	ret = cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op, ctx->msgs,
-			   ctx->nft->debug_mask, &ctx->nft->output);
+	ret = cache_update(ctx->nft, cmd->op, ctx->msgs);
 	if (ret < 0)
 		return ret;
 
@@ -3779,8 +3761,7 @@ static int cmd_evaluate_export(struct eval_ctx *ctx, struct cmd *cmd)
 		return cmd_error(ctx, &cmd->location,
 				 "this output type is not supported");
 
-	return cache_update(ctx->nft->nf_sock, &ctx->nft->cache, cmd->op, ctx->msgs,
-			    ctx->nft->debug_mask, &ctx->nft->output);
+	return cache_update(ctx->nft, cmd->op, ctx->msgs);
 }
 
 static int cmd_evaluate_import(struct eval_ctx *ctx, struct cmd *cmd)
diff --git a/src/libnftables.c b/src/libnftables.c
index 97776379..44869602 100644
--- a/src/libnftables.c
+++ b/src/libnftables.c
@@ -40,10 +40,7 @@ static int nft_netlink(struct nft_ctx *nft,
 		ctx.msgs = msgs;
 		ctx.seqnum = cmd->seqnum = mnl_seqnum_alloc(&seqnum);
 		ctx.batch = batch;
-		ctx.octx = &nft->output;
-		ctx.nf_sock = nf_sock;
-		ctx.cache = &nft->cache;
-		ctx.debug_mask = nft->debug_mask;
+		ctx.nft = nft;
 		init_list_head(&ctx.list);
 		ret = do_command(&ctx, cmd);
 		if (ret < 0) {
@@ -480,8 +477,7 @@ int nft_run_cmd_from_filename(struct nft_ctx *nft, const char *filename)
 	LIST_HEAD(cmds);
 	int rc;
 
-	rc = cache_update(nft->nf_sock, &nft->cache, CMD_INVALID, &msgs,
-			  nft->debug_mask, &nft->output);
+	rc = cache_update(nft, CMD_INVALID, &msgs);
 	if (rc < 0)
 		return -1;
 
diff --git a/src/mnl.c b/src/mnl.c
index 48637e27..9a6248aa 100644
--- a/src/mnl.c
+++ b/src/mnl.c
@@ -52,13 +52,13 @@ nft_mnl_recv(struct netlink_ctx *ctx, uint32_t portid,
 	char buf[NFT_NLMSG_MAXSIZE];
 	int ret;
 
-	ret = mnl_socket_recvfrom(ctx->nf_sock, buf, sizeof(buf));
+	ret = mnl_socket_recvfrom(ctx->nft->nf_sock, buf, sizeof(buf));
 	while (ret > 0) {
 		ret = mnl_cb_run(buf, ret, ctx->seqnum, portid, cb, cb_data);
 		if (ret <= 0)
 			goto out;
 
-		ret = mnl_socket_recvfrom(ctx->nf_sock, buf, sizeof(buf));
+		ret = mnl_socket_recvfrom(ctx->nft->nf_sock, buf, sizeof(buf));
 	}
 out:
 	if (ret < 0 && errno == EAGAIN)
@@ -71,13 +71,13 @@ int
 nft_mnl_talk(struct netlink_ctx *ctx, const void *data, unsigned int len,
 	     int (*cb)(const struct nlmsghdr *nlh, void *data), void *cb_data)
 {
-	uint32_t portid = mnl_socket_get_portid(ctx->nf_sock);
+	uint32_t portid = mnl_socket_get_portid(ctx->nft->nf_sock);
 
-	if (ctx->debug_mask & NFT_DEBUG_MNL)
-		mnl_nlmsg_fprintf(ctx->octx->output_fp, data, len,
+	if (ctx->nft->debug_mask & NFT_DEBUG_MNL)
+		mnl_nlmsg_fprintf(ctx->nft->output.output_fp, data, len,
 				  sizeof(struct nfgenmsg));
 
-	if (mnl_socket_sendto(ctx->nf_sock, data, len) < 0)
+	if (mnl_socket_sendto(ctx->nft->nf_sock, data, len) < 0)
 		return -1;
 
 	return nft_mnl_recv(ctx, portid, cb, cb_data);
@@ -226,23 +226,23 @@ static ssize_t mnl_nft_socket_sendmsg(const struct netlink_ctx *ctx)
 	};
 	uint32_t i;
 
-	mnl_set_sndbuffer(ctx->nf_sock, ctx->batch);
+	mnl_set_sndbuffer(ctx->nft->nf_sock, ctx->batch);
 	nftnl_batch_iovec(ctx->batch, iov, iov_len);
 
 	for (i = 0; i < iov_len; i++) {
-		if (ctx->debug_mask & NFT_DEBUG_MNL) {
-			mnl_nlmsg_fprintf(ctx->octx->output_fp,
+		if (ctx->nft->debug_mask & NFT_DEBUG_MNL) {
+			mnl_nlmsg_fprintf(ctx->nft->output.output_fp,
 					  iov[i].iov_base, iov[i].iov_len,
 					  sizeof(struct nfgenmsg));
 		}
 	}
 
-	return sendmsg(mnl_socket_get_fd(ctx->nf_sock), &msg, 0);
+	return sendmsg(mnl_socket_get_fd(ctx->nft->nf_sock), &msg, 0);
 }
 
 int mnl_batch_talk(struct netlink_ctx *ctx, struct list_head *err_list)
 {
-	struct mnl_socket *nl = ctx->nf_sock;
+	struct mnl_socket *nl = ctx->nft->nf_sock;
 	int ret, fd = mnl_socket_get_fd(nl), portid = mnl_socket_get_portid(nl);
 	char rcv_buf[MNL_SOCKET_BUFFER_SIZE];
 	fd_set readfds;
@@ -328,10 +328,8 @@ int mnl_nft_rule_replace(struct netlink_ctx *ctx, const struct cmd *cmd)
 	struct nlmsghdr *nlh;
 	int err;
 
-	if (ctx->octx->echo) {
-		err = cache_update(ctx->nf_sock, ctx->cache,
-				   CMD_INVALID, ctx->msgs,
-				   ctx->debug_mask, ctx->octx);
+	if (ctx->nft->output.echo) {
+		err = cache_update(ctx->nft, CMD_INVALID, ctx->msgs);
 		if (err < 0)
 			return err;
 
diff --git a/src/monitor.c b/src/monitor.c
index 213c40d1..14ccbc5f 100644
--- a/src/monitor.c
+++ b/src/monitor.c
@@ -40,7 +40,7 @@
 #include <iface.h>
 #include <json.h>
 
-#define nft_mon_print(monh, ...) nft_print(monh->ctx->octx, __VA_ARGS__)
+#define nft_mon_print(monh, ...) nft_print(&monh->ctx->nft->output, __VA_ARGS__)
 
 static struct nftnl_table *netlink_table_alloc(const struct nlmsghdr *nlh)
 {
@@ -214,7 +214,7 @@ static int netlink_events_table_cb(const struct nlmsghdr *nlh, int type,
 
 		nft_mon_print(monh, "%s %s", family2str(t->handle.family),
 			      t->handle.table.name);
-		if (monh->ctx->octx->handle > 0)
+		if (monh->ctx->nft->output.handle > 0)
 			nft_mon_print(monh, " # handle %" PRIu64 "",
 				      t->handle.handle.id);
 		break;
@@ -245,7 +245,7 @@ static int netlink_events_chain_cb(const struct nlmsghdr *nlh, int type,
 
 		switch (type) {
 		case NFT_MSG_NEWCHAIN:
-			chain_print_plain(c, monh->ctx->octx);
+			chain_print_plain(c, &monh->ctx->nft->output);
 			break;
 		case NFT_MSG_DELCHAIN:
 			nft_mon_print(monh, "chain %s %s %s",
@@ -292,7 +292,7 @@ static int netlink_events_set_cb(const struct nlmsghdr *nlh, int type,
 
 		switch (type) {
 		case NFT_MSG_NEWSET:
-			set_print_plain(set, monh->ctx->octx);
+			set_print_plain(set, &monh->ctx->nft->output);
 			break;
 		case NFT_MSG_DELSET:
 			nft_mon_print(monh, "set %s %s %s", family,
@@ -386,7 +386,7 @@ static int netlink_events_setelem_cb(const struct nlmsghdr *nlh, int type,
 	family = nftnl_set_get_u32(nls, NFTNL_SET_FAMILY);
 	cmd = netlink_msg2cmd(type);
 
-	set = set_lookup_global(family, table, setname, monh->cache);
+	set = set_lookup_global(family, table, setname, &monh->ctx->nft->cache);
 	if (set == NULL) {
 		fprintf(stderr, "W: Received event for an unknown set.");
 		goto out;
@@ -417,7 +417,7 @@ static int netlink_events_setelem_cb(const struct nlmsghdr *nlh, int type,
 			goto out;
 		}
 		if (netlink_delinearize_setelem(nlse, dummyset,
-						monh->cache) < 0) {
+						&monh->ctx->nft->cache) < 0) {
 			set_free(dummyset);
 			nftnl_set_elems_iter_destroy(nlsei);
 			goto out;
@@ -435,7 +435,7 @@ static int netlink_events_setelem_cb(const struct nlmsghdr *nlh, int type,
 	case NFTNL_OUTPUT_DEFAULT:
 		nft_mon_print(monh, "%s element %s %s %s ",
 			      cmd, family2str(family), table, setname);
-		expr_print(dummyset->init, monh->ctx->octx);
+		expr_print(dummyset->init, &monh->ctx->nft->output);
 		break;
 	case NFTNL_OUTPUT_JSON:
 		dummyset->handle.family = family;
@@ -477,7 +477,7 @@ static int netlink_events_obj_cb(const struct nlmsghdr *nlh, int type,
 
 		switch (type) {
 		case NFT_MSG_NEWOBJ:
-			obj_print_plain(obj, monh->ctx->octx);
+			obj_print_plain(obj, &monh->ctx->nft->output);
 			break;
 		case NFT_MSG_DELOBJ:
 			nft_mon_print(monh, "%s %s %s %s",
@@ -513,7 +513,8 @@ static int netlink_events_rule_cb(const struct nlmsghdr *nlh, int type,
 
 	nlr = netlink_rule_alloc(nlh);
 	r = netlink_delinearize_rule(monh->ctx, nlr);
-	nlr_for_each_set(nlr, rule_map_decompose_cb, NULL, monh->cache);
+	nlr_for_each_set(nlr, rule_map_decompose_cb, NULL,
+			 &monh->ctx->nft->cache);
 	cmd = netlink_msg2cmd(type);
 
 	switch (monh->format) {
@@ -528,7 +529,7 @@ static int netlink_events_rule_cb(const struct nlmsghdr *nlh, int type,
 
 		switch (type) {
 		case NFT_MSG_NEWRULE:
-			rule_print(r, monh->ctx->octx);
+			rule_print(r, &monh->ctx->nft->output);
 
 			break;
 		case NFT_MSG_DELRULE:
@@ -557,7 +558,7 @@ static void netlink_events_cache_addtable(struct netlink_mon_handler *monh,
 	t = netlink_delinearize_table(monh->ctx, nlt);
 	nftnl_table_free(nlt);
 
-	table_add_hash(t, monh->cache);
+	table_add_hash(t, &monh->ctx->nft->cache);
 }
 
 static void netlink_events_cache_deltable(struct netlink_mon_handler *monh,
@@ -571,7 +572,7 @@ static void netlink_events_cache_deltable(struct netlink_mon_handler *monh,
 	h.family = nftnl_table_get_u32(nlt, NFTNL_TABLE_FAMILY);
 	h.table.name  = nftnl_table_get_str(nlt, NFTNL_TABLE_NAME);
 
-	t = table_lookup(&h, monh->cache);
+	t = table_lookup(&h, &monh->ctx->nft->cache);
 	if (t == NULL)
 		goto out;
 
@@ -601,7 +602,7 @@ static void netlink_events_cache_addset(struct netlink_mon_handler *monh,
 		goto out;
 	s->init = set_expr_alloc(monh->loc, s);
 
-	t = table_lookup(&s->handle, monh->cache);
+	t = table_lookup(&s->handle, &monh->ctx->nft->cache);
 	if (t == NULL) {
 		fprintf(stderr, "W: Unable to cache set: table not found.\n");
 		set_free(s);
@@ -628,7 +629,7 @@ static void netlink_events_cache_addsetelem(struct netlink_mon_handler *monh,
 	table   = nftnl_set_get_str(nls, NFTNL_SET_TABLE);
 	setname = nftnl_set_get_str(nls, NFTNL_SET_NAME);
 
-	set = set_lookup_global(family, table, setname, monh->cache);
+	set = set_lookup_global(family, table, setname, &monh->ctx->nft->cache);
 	if (set == NULL) {
 		fprintf(stderr,
 			"W: Unable to cache set_elem. Set not found.\n");
@@ -641,7 +642,8 @@ static void netlink_events_cache_addsetelem(struct netlink_mon_handler *monh,
 
 	nlse = nftnl_set_elems_iter_next(nlsei);
 	while (nlse != NULL) {
-		if (netlink_delinearize_setelem(nlse, set, monh->cache) < 0) {
+		if (netlink_delinearize_setelem(nlse, set,
+						&monh->ctx->nft->cache) < 0) {
 			fprintf(stderr,
 				"W: Unable to cache set_elem. "
 				"Delinearize failed.\n");
@@ -668,7 +670,7 @@ static void netlink_events_cache_delsets(struct netlink_mon_handler *monh,
 	struct nftnl_rule *nlr = netlink_rule_alloc(nlh);
 
 	nlr_for_each_set(nlr, netlink_events_cache_delset_cb, NULL,
-			 monh->cache);
+			 &monh->ctx->nft->cache);
 	nftnl_rule_free(nlr);
 }
 
@@ -691,7 +693,7 @@ static void netlink_events_cache_addobj(struct netlink_mon_handler *monh,
 	if (obj == NULL)
 		goto out;
 
-	t = table_lookup(&obj->handle, monh->cache);
+	t = table_lookup(&obj->handle, &monh->ctx->nft->cache);
 	if (t == NULL) {
 		fprintf(stderr, "W: Unable to cache object: table not found.\n");
 		obj_free(obj);
@@ -721,7 +723,7 @@ static void netlink_events_cache_delobj(struct netlink_mon_handler *monh,
 	type	 = nftnl_obj_get_u32(nlo, NFTNL_OBJ_TYPE);
 	h.handle.id	= nftnl_obj_get_u64(nlo, NFTNL_OBJ_HANDLE);
 
-	t = table_lookup(&h, monh->cache);
+	t = table_lookup(&h, &monh->ctx->nft->cache);
 	if (t == NULL) {
 		fprintf(stderr, "W: Unable to cache object: table not found.\n");
 		goto out;
@@ -835,7 +837,7 @@ static int netlink_events_newgen_cb(const struct nlmsghdr *nlh, int type,
 		nft_mon_print(monh, "# new generation %d", genid);
 		if (pid >= 0) {
 			nft_mon_print(monh, " by process %d", pid);
-			if (!monh->ctx->octx->numeric)
+			if (!monh->ctx->nft->output.numeric)
 				nft_mon_print(monh, " (%s)", name);
 		}
 		nft_mon_print(monh, "\n");
@@ -850,7 +852,7 @@ static int netlink_events_cb(const struct nlmsghdr *nlh, void *data)
 	uint16_t type = NFNL_MSG_TYPE(nlh->nlmsg_type);
 	struct netlink_mon_handler *monh = (struct netlink_mon_handler *)data;
 
-	netlink_events_debug(type, monh->debug_mask);
+	netlink_events_debug(type, monh->ctx->nft->debug_mask);
 	netlink_events_cache_update(monh, nlh, type);
 
 	if (!(monh->monitor_flags & (1 << type)))
@@ -901,11 +903,9 @@ int netlink_echo_callback(const struct nlmsghdr *nlh, void *data)
 		.loc = &netlink_location,
 		.monitor_flags = 0xffffffff,
 		.cache_needed = true,
-		.cache = ctx->cache,
-		.debug_mask = ctx->debug_mask,
 	};
 
-	if (!echo_monh.ctx->octx->echo)
+	if (!echo_monh.ctx->nft->output.echo)
 		return MNL_CB_OK;
 
 	return netlink_events_cb(nlh, &echo_monh);
@@ -929,7 +929,7 @@ int netlink_monitor(struct netlink_mon_handler *monhandler,
 			return -1;
 	}
 
-	return mnl_nft_event_listener(nf_sock, monhandler->debug_mask,
-				      monhandler->ctx->octx, netlink_events_cb,
-				      monhandler);
+	return mnl_nft_event_listener(nf_sock, monhandler->ctx->nft->debug_mask,
+				      &monhandler->ctx->nft->output,
+				      netlink_events_cb, monhandler);
 }
diff --git a/src/netlink.c b/src/netlink.c
index 42d3506d..755949c9 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -42,7 +42,7 @@
 #include <erec.h>
 #include <iface.h>
 
-#define nft_mon_print(monh, ...) nft_print(monh->ctx->octx, __VA_ARGS__)
+#define nft_mon_print(monh, ...) nft_print(&monh->ctx->nft->output, __VA_ARGS__)
 
 const struct input_descriptor indesc_netlink = {
 	.name	= "netlink",
@@ -387,9 +387,9 @@ struct expr *netlink_alloc_data(const struct location *loc,
 
 void netlink_dump_rule(const struct nftnl_rule *nlr, struct netlink_ctx *ctx)
 {
-	FILE *fp = ctx->octx->output_fp;
+	FILE *fp = ctx->nft->output.output_fp;
 
-	if (!(ctx->debug_mask & NFT_DEBUG_NETLINK) || !fp)
+	if (!(ctx->nft->debug_mask & NFT_DEBUG_NETLINK) || !fp)
 		return;
 
 	nftnl_rule_fprintf(fp, nlr, 0, 0);
@@ -450,9 +450,9 @@ static int netlink_list_rules(struct netlink_ctx *ctx, const struct handle *h)
 
 void netlink_dump_chain(const struct nftnl_chain *nlc, struct netlink_ctx *ctx)
 {
-	FILE *fp = ctx->octx->output_fp;
+	FILE *fp = ctx->nft->output.output_fp;
 
-	if (!(ctx->debug_mask & NFT_DEBUG_NETLINK) || !fp)
+	if (!(ctx->nft->debug_mask & NFT_DEBUG_NETLINK) || !fp)
 		return;
 
 	nftnl_chain_fprintf(fp, nlc, 0, 0);
@@ -611,9 +611,9 @@ const struct datatype *dtype_map_from_kernel(enum nft_data_types type)
 
 void netlink_dump_set(const struct nftnl_set *nls, struct netlink_ctx *ctx)
 {
-	FILE *fp = ctx->octx->output_fp;
+	FILE *fp = ctx->nft->output.output_fp;
 
-	if (!(ctx->debug_mask & NFT_DEBUG_NETLINK) || !fp)
+	if (!(ctx->nft->debug_mask & NFT_DEBUG_NETLINK) || !fp)
 		return;
 
 	nftnl_set_fprintf(fp, nls, 0, 0);
@@ -936,7 +936,7 @@ out:
 static int list_setelem_cb(struct nftnl_set_elem *nlse, void *arg)
 {
 	struct netlink_ctx *ctx = arg;
-	return netlink_delinearize_setelem(nlse, ctx->set, ctx->cache);
+	return netlink_delinearize_setelem(nlse, ctx->set, &ctx->nft->cache);
 }
 
 int netlink_list_setelems(struct netlink_ctx *ctx, const struct handle *h,
@@ -1024,9 +1024,9 @@ int netlink_get_setelem(struct netlink_ctx *ctx, const struct handle *h,
 
 void netlink_dump_obj(struct nftnl_obj *nln, struct netlink_ctx *ctx)
 {
-	FILE *fp = ctx->octx->output_fp;
+	FILE *fp = ctx->nft->output.output_fp;
 
-	if (!(ctx->debug_mask & NFT_DEBUG_NETLINK) || !fp)
+	if (!(ctx->nft->debug_mask & NFT_DEBUG_NETLINK) || !fp)
 		return;
 
 	nftnl_obj_fprintf(fp, nln, 0, 0);
@@ -1149,9 +1149,9 @@ static struct nftnl_flowtable *alloc_nftnl_flowtable(const struct handle *h,
 static void netlink_dump_flowtable(struct nftnl_flowtable *flo,
 				   struct netlink_ctx *ctx)
 {
-	FILE *fp = ctx->octx->output_fp;
+	FILE *fp = ctx->nft->output.output_fp;
 
-	if (!(ctx->debug_mask & NFT_DEBUG_NETLINK) || !fp)
+	if (!(ctx->nft->debug_mask & NFT_DEBUG_NETLINK) || !fp)
 		return;
 
 	nftnl_flowtable_fprintf(fp, flo, 0, 0);
@@ -1591,16 +1591,17 @@ int netlink_events_trace_cb(const struct nlmsghdr *nlh, int type,
 	case NFT_TRACETYPE_RULE:
 		if (nftnl_trace_is_set(nlt, NFTNL_TRACE_LL_HEADER) ||
 		    nftnl_trace_is_set(nlt, NFTNL_TRACE_NETWORK_HEADER))
-			trace_print_packet(nlt, monh->ctx->octx);
+			trace_print_packet(nlt, &monh->ctx->nft->output);
 
 		if (nftnl_trace_is_set(nlt, NFTNL_TRACE_RULE_HANDLE))
-			trace_print_rule(nlt, monh->ctx->octx, monh->cache);
+			trace_print_rule(nlt, &monh->ctx->nft->output,
+					 &monh->ctx->nft->cache);
 		break;
 	case NFT_TRACETYPE_POLICY:
-		trace_print_hdr(nlt, monh->ctx->octx);
+		trace_print_hdr(nlt, &monh->ctx->nft->output);
 
 		if (nftnl_trace_is_set(nlt, NFTNL_TRACE_POLICY)) {
-			trace_print_policy(nlt, monh->ctx->octx);
+			trace_print_policy(nlt, &monh->ctx->nft->output);
 			nft_mon_print(monh, " ");
 		}
 
@@ -1608,14 +1609,14 @@ int netlink_events_trace_cb(const struct nlmsghdr *nlh, int type,
 			trace_print_expr(nlt, NFTNL_TRACE_MARK,
 					 meta_expr_alloc(&netlink_location,
 							 NFT_META_MARK),
-					 monh->ctx->octx);
+					 &monh->ctx->nft->output);
 		nft_mon_print(monh, "\n");
 		break;
 	case NFT_TRACETYPE_RETURN:
-		trace_print_hdr(nlt, monh->ctx->octx);
+		trace_print_hdr(nlt, &monh->ctx->nft->output);
 
 		if (nftnl_trace_is_set(nlt, NFTNL_TRACE_VERDICT)) {
-			trace_print_verdict(nlt, monh->ctx->octx);
+			trace_print_verdict(nlt, &monh->ctx->nft->output);
 			nft_mon_print(monh, " ");
 		}
 
@@ -1623,7 +1624,7 @@ int netlink_events_trace_cb(const struct nlmsghdr *nlh, int type,
 			trace_print_expr(nlt, NFTNL_TRACE_MARK,
 					 meta_expr_alloc(&netlink_location,
 							 NFT_META_MARK),
-					 monh->ctx->octx);
+					 &monh->ctx->nft->output);
 		nft_mon_print(monh, "\n");
 		break;
 	}
diff --git a/src/netlink_delinearize.c b/src/netlink_delinearize.c
index cd058850..3931127f 100644
--- a/src/netlink_delinearize.c
+++ b/src/netlink_delinearize.c
@@ -2608,7 +2608,7 @@ struct rule *netlink_delinearize_rule(struct netlink_ctx *ctx,
 
 	memset(&_ctx, 0, sizeof(_ctx));
 	_ctx.msgs = ctx->msgs;
-	_ctx.debug_mask = ctx->debug_mask;
+	_ctx.debug_mask = ctx->nft->debug_mask;
 
 	memset(&h, 0, sizeof(h));
 	h.family = nftnl_rule_get_u32(nlr, NFTNL_RULE_FAMILY);
@@ -2620,7 +2620,7 @@ struct rule *netlink_delinearize_rule(struct netlink_ctx *ctx,
 		h.position.id = nftnl_rule_get_u64(nlr, NFTNL_RULE_POSITION);
 
 	pctx->rule = rule_alloc(&netlink_location, &h);
-	pctx->table = table_lookup(&h, ctx->cache);
+	pctx->table = table_lookup(&h, &ctx->nft->cache);
 	assert(pctx->table != NULL);
 
 	if (nftnl_rule_is_set(nlr, NFTNL_RULE_USERDATA)) {
diff --git a/src/nfnl_osf.c b/src/nfnl_osf.c
index e9a7f1d1..be3fd810 100644
--- a/src/nfnl_osf.c
+++ b/src/nfnl_osf.c
@@ -221,8 +221,8 @@ static int osf_load_line(char *buffer, int len, int del,
 
 	memset(&f, 0, sizeof(struct nf_osf_user_finger));
 
-	if (ctx->debug_mask & NFT_DEBUG_MNL)
-		nft_print(ctx->octx, "Loading '%s'.\n", buffer);
+	if (ctx->nft->debug_mask & NFT_DEBUG_MNL)
+		nft_print(&ctx->nft->output, "Loading '%s'.\n", buffer);
 
 	for (i = 0; i < len && buffer[i] != '\0'; ++i) {
 		if (buffer[i] == ':')
@@ -230,8 +230,8 @@ static int osf_load_line(char *buffer, int len, int del,
 	}
 
 	if (cnt != 8) {
-		if (ctx->debug_mask & NFT_DEBUG_MNL)
-			nft_print(ctx->octx, "Wrong input line '%s': cnt: %d, must be 8, i: %d, must be %d.\n", buffer, cnt, i, len);
+		if (ctx->nft->debug_mask & NFT_DEBUG_MNL)
+			nft_print(&ctx->nft->output, "Wrong input line '%s': cnt: %d, must be 8, i: %d, must be %d.\n", buffer, cnt, i, len);
 		return -EINVAL;
 	}
 
@@ -357,14 +357,14 @@ int nfnl_osf_load_fingerprints(struct netlink_ctx *ctx, int del)
 	int err = 0;
 	char buf[1024];
 
-	if (ctx->debug_mask & NFT_DEBUG_MNL)
-		nft_print(ctx->octx, "Opening OS signature file '%s'\n",
+	if (ctx->nft->debug_mask & NFT_DEBUG_MNL)
+		nft_print(&ctx->nft->output, "Opening OS signature file '%s'\n",
 			  OS_SIGNATURES);
 
 	inf = fopen(OS_SIGNATURES, "r");
 	if (!inf) {
-		if (ctx->debug_mask & NFT_DEBUG_MNL)
-			nft_print(ctx->octx, "Failed to open file '%s'\n",
+		if (ctx->nft->debug_mask & NFT_DEBUG_MNL)
+			nft_print(&ctx->nft->output, "Failed to open file '%s'\n",
 				  OS_SIGNATURES);
 
 		return -1;
diff --git a/src/rule.c b/src/rule.c
index 8f78a36c..9e24c35c 100644
--- a/src/rule.c
+++ b/src/rule.c
@@ -154,7 +154,7 @@ static int cache_init_objects(struct netlink_ctx *ctx, enum cmd_ops cmd)
 	struct set *set;
 	int ret;
 
-	list_for_each_entry(table, &ctx->cache->list, list) {
+	list_for_each_entry(table, &ctx->nft->cache.list, list) {
 		ret = netlink_list_sets(ctx, &table->handle);
 		list_splice_tail_init(&ctx->list, &table->sets);
 
@@ -209,7 +209,7 @@ static int cache_init(struct netlink_ctx *ctx, enum cmd_ops cmd)
 	};
 	int ret;
 
-	ret = cache_init_tables(ctx, &handle, ctx->cache);
+	ret = cache_init_tables(ctx, &handle, &ctx->nft->cache);
 	if (ret < 0)
 		return ret;
 	ret = cache_init_objects(ctx, cmd);
@@ -219,20 +219,18 @@ static int cache_init(struct netlink_ctx *ctx, enum cmd_ops cmd)
 	return 0;
 }
 
-int cache_update(struct mnl_socket *nf_sock, struct nft_cache *cache,
-		 enum cmd_ops cmd, struct list_head *msgs, unsigned int debug_mask,
-		 struct output_ctx *octx)
+int cache_update(struct nft_ctx *nft, enum cmd_ops cmd, struct list_head *msgs)
 {
 	uint16_t genid;
 	int ret;
 	struct netlink_ctx ctx = {
 		.list		= LIST_HEAD_INIT(ctx.list),
-		.nf_sock	= nf_sock,
-		.cache		= cache,
+		.nft		= nft,
 		.msgs		= msgs,
-		.debug_mask	= debug_mask,
-		.octx		= octx,
+		.nft		= nft,
 	};
+	struct mnl_socket *nf_sock = nft->nf_sock;
+	struct nft_cache *cache = &nft->cache;
 
 replay:
 	ctx.seqnum = cache->seqnum++;
@@ -265,18 +263,14 @@ static void __cache_flush(struct list_head *table_list)
 	}
 }
 
-void cache_flush(struct mnl_socket *nf_sock, struct nft_cache *cache,
-		 enum cmd_ops cmd, struct list_head *msgs,
-		 unsigned int debug_mask, struct output_ctx *octx)
+void cache_flush(struct nft_ctx *nft, enum cmd_ops cmd, struct list_head *msgs)
 {
 	struct netlink_ctx ctx = {
 		.list		= LIST_HEAD_INIT(ctx.list),
-		.nf_sock	= nf_sock,
-		.cache		= cache,
+		.nft		= nft,
 		.msgs		= msgs,
-		.debug_mask	= debug_mask,
-		.octx		= octx,
 	};
+	struct nft_cache *cache = &nft->cache;
 
 	__cache_flush(&cache->list);
 	cache->genid = mnl_genid_get(&ctx);
@@ -1361,12 +1355,12 @@ static int do_add_setelems(struct netlink_ctx *ctx, struct cmd *cmd,
 	struct table *table;
 	struct set *set;
 
-	table = table_lookup(h, ctx->cache);
+	table = table_lookup(h, &ctx->nft->cache);
 	set = set_lookup(table, h->set.name);
 
 	if (set->flags & NFT_SET_INTERVAL &&
 	    set_to_intervals(ctx->msgs, set, init, true,
-			     ctx->debug_mask, set->automerge) < 0)
+			     ctx->nft->debug_mask, set->automerge) < 0)
 		return -1;
 
 	return __do_add_setelems(ctx, set, init, flags);
@@ -1380,7 +1374,7 @@ static int do_add_set(struct netlink_ctx *ctx, const struct cmd *cmd,
 	if (set->init != NULL) {
 		if (set->flags & NFT_SET_INTERVAL &&
 		    set_to_intervals(ctx->msgs, set, set->init, true,
-				     ctx->debug_mask, set->automerge) < 0)
+				     ctx->nft->debug_mask, set->automerge) < 0)
 			return -1;
 	}
 	if (mnl_nft_set_add(ctx, cmd, flags) < 0)
@@ -1395,11 +1389,10 @@ static int do_command_add(struct netlink_ctx *ctx, struct cmd *cmd, bool excl)
 {
 	uint32_t flags = excl ? NLM_F_EXCL : 0;
 
-	if (ctx->octx->echo) {
+	if (ctx->nft->output.echo) {
 		int ret;
 
-		ret = cache_update(ctx->nf_sock, ctx->cache, cmd->obj,
-				   ctx->msgs, ctx->debug_mask, ctx->octx);
+		ret = cache_update(ctx->nft, cmd->obj, ctx->msgs);
 		if (ret < 0)
 			return ret;
 
@@ -1447,11 +1440,10 @@ static int do_command_insert(struct netlink_ctx *ctx, struct cmd *cmd)
 {
 	uint32_t flags = 0;
 
-	if (ctx->octx->echo) {
+	if (ctx->nft->output.echo) {
 		int ret;
 
-		ret = cache_update(ctx->nf_sock, ctx->cache, cmd->obj,
-				   ctx->msgs, ctx->debug_mask, ctx->octx);
+		ret = cache_update(ctx->nft, cmd->obj, ctx->msgs);
 		if (ret < 0)
 			return ret;
 
@@ -1474,12 +1466,12 @@ static int do_delete_setelems(struct netlink_ctx *ctx, struct cmd *cmd)
 	struct table *table;
 	struct set *set;
 
-	table = table_lookup(h, ctx->cache);
+	table = table_lookup(h, &ctx->nft->cache);
 	set = set_lookup(table, h->set.name);
 
 	if (set->flags & NFT_SET_INTERVAL &&
 	    set_to_intervals(ctx->msgs, set, expr, false,
-			     ctx->debug_mask, set->automerge) < 0)
+			     ctx->nft->debug_mask, set->automerge) < 0)
 		return -1;
 
 	if (mnl_nft_setelem_del(ctx, cmd) < 0)
@@ -1524,7 +1516,7 @@ static int do_command_delete(struct netlink_ctx *ctx, struct cmd *cmd)
 static int do_command_export(struct netlink_ctx *ctx, struct cmd *cmd)
 {
 	struct nftnl_ruleset *rs;
-	FILE *fp = ctx->octx->output_fp;
+	FILE *fp = ctx->nft->output.output_fp;
 
 	do {
 		rs = netlink_dump_ruleset(ctx, &cmd->handle, &cmd->location);
@@ -1534,7 +1526,7 @@ static int do_command_export(struct netlink_ctx *ctx, struct cmd *cmd)
 
 	nftnl_ruleset_fprintf(fp, rs, cmd->markup->format, NFTNL_OF_EVENT_NEW);
 
-	nft_print(ctx->octx, "\n");
+	nft_print(&ctx->nft->output, "\n");
 
 	nftnl_ruleset_free(rs);
 	return 0;
@@ -1565,7 +1557,7 @@ static int do_command_import(struct netlink_ctx *ctx, struct cmd *cmd)
 static int do_list_table(struct netlink_ctx *ctx, struct cmd *cmd,
 			 struct table *table)
 {
-	table_print(table, ctx->octx);
+	table_print(table, &ctx->nft->output);
 	return 0;
 }
 
@@ -1579,12 +1571,12 @@ static int do_list_sets(struct netlink_ctx *ctx, struct cmd *cmd)
 	struct table *table;
 	struct set *set;
 
-	list_for_each_entry(table, &ctx->cache->list, list) {
+	list_for_each_entry(table, &ctx->nft->cache.list, list) {
 		if (cmd->handle.family != NFPROTO_UNSPEC &&
 		    cmd->handle.family != table->handle.family)
 			continue;
 
-		nft_print(ctx->octx, "table %s %s {\n",
+		nft_print(&ctx->nft->output, "table %s %s {\n",
 			  family2str(table->handle.family),
 			  table->handle.table.name);
 
@@ -1599,11 +1591,11 @@ static int do_list_sets(struct netlink_ctx *ctx, struct cmd *cmd)
 			if (cmd->obj == CMD_OBJ_MAPS &&
 			    !(set->flags & NFT_SET_MAP))
 				continue;
-			set_print_declaration(set, &opts, ctx->octx);
-			nft_print(ctx->octx, "%s}%s", opts.tab, opts.nl);
+			set_print_declaration(set, &opts, &ctx->nft->output);
+			nft_print(&ctx->nft->output, "%s}%s", opts.tab, opts.nl);
 		}
 
-		nft_print(ctx->octx, "}\n");
+		nft_print(&ctx->nft->output, "}\n");
 	}
 	return 0;
 }
@@ -1881,14 +1873,14 @@ static int do_list_obj(struct netlink_ctx *ctx, struct cmd *cmd, uint32_t type)
 	struct table *table;
 	struct obj *obj;
 
-	list_for_each_entry(table, &ctx->cache->list, list) {
+	list_for_each_entry(table, &ctx->nft->cache.list, list) {
 		if (cmd->handle.family != NFPROTO_UNSPEC &&
 		    cmd->handle.family != table->handle.family)
 			continue;
 
 		if (cmd->handle.table.name != NULL &&
 		    !strcmp(cmd->handle.table.name, table->handle.table.name)) {
-			nft_print(ctx->octx, "table %s %s {\n",
+			nft_print(&ctx->nft->output, "table %s %s {\n",
 				  family2str(table->handle.family),
 				  cmd->handle.table.name);
 		} else
@@ -1900,10 +1892,10 @@ static int do_list_obj(struct netlink_ctx *ctx, struct cmd *cmd, uint32_t type)
 			     strcmp(cmd->handle.obj.name, obj->handle.obj.name)))
 				continue;
 
-			obj_print_declaration(obj, &opts, ctx->octx);
+			obj_print_declaration(obj, &opts, &ctx->nft->output);
 		}
 
-		nft_print(ctx->octx, "}\n");
+		nft_print(&ctx->nft->output, "}\n");
 	}
 	return 0;
 }
@@ -2003,21 +1995,21 @@ static int do_list_flowtables(struct netlink_ctx *ctx, struct cmd *cmd)
 	struct flowtable *flowtable;
 	struct table *table;
 
-	list_for_each_entry(table, &ctx->cache->list, list) {
+	list_for_each_entry(table, &ctx->nft->cache.list, list) {
 		if (cmd->handle.family != NFPROTO_UNSPEC &&
 		    cmd->handle.family != table->handle.family)
 			continue;
 
-		nft_print(ctx->octx, "table %s %s {\n",
+		nft_print(&ctx->nft->output, "table %s %s {\n",
 			  family2str(table->handle.family),
 			  table->handle.table.name);
 
 		list_for_each_entry(flowtable, &table->flowtables, list) {
-			flowtable_print_declaration(flowtable, &opts, ctx->octx);
-			nft_print(ctx->octx, "%s}%s", opts.tab, opts.nl);
+			flowtable_print_declaration(flowtable, &opts, &ctx->nft->output);
+			nft_print(&ctx->nft->output, "%s}%s", opts.tab, opts.nl);
 		}
 
-		nft_print(ctx->octx, "}\n");
+		nft_print(&ctx->nft->output, "}\n");
 	}
 	return 0;
 }
@@ -2027,7 +2019,7 @@ static int do_list_ruleset(struct netlink_ctx *ctx, struct cmd *cmd)
 	unsigned int family = cmd->handle.family;
 	struct table *table;
 
-	list_for_each_entry(table, &ctx->cache->list, list) {
+	list_for_each_entry(table, &ctx->nft->cache.list, list) {
 		if (family != NFPROTO_UNSPEC &&
 		    table->handle.family != family)
 			continue;
@@ -2048,12 +2040,12 @@ static int do_list_tables(struct netlink_ctx *ctx, struct cmd *cmd)
 {
 	struct table *table;
 
-	list_for_each_entry(table, &ctx->cache->list, list) {
+	list_for_each_entry(table, &ctx->nft->cache.list, list) {
 		if (cmd->handle.family != NFPROTO_UNSPEC &&
 		    cmd->handle.family != table->handle.family)
 			continue;
 
-		nft_print(ctx->octx, "table %s %s\n",
+		nft_print(&ctx->nft->output, "table %s %s\n",
 			  family2str(table->handle.family),
 			  table->handle.table.name);
 	}
@@ -2074,17 +2066,17 @@ static int do_list_chain(struct netlink_ctx *ctx, struct cmd *cmd,
 {
 	struct chain *chain;
 
-	table_print_declaration(table, ctx->octx);
+	table_print_declaration(table, &ctx->nft->output);
 
 	list_for_each_entry(chain, &table->chains, list) {
 		if (chain->handle.family != cmd->handle.family ||
 		    strcmp(cmd->handle.chain.name, chain->handle.chain.name) != 0)
 			continue;
 
-		chain_print(chain, ctx->octx);
+		chain_print(chain, &ctx->nft->output);
 	}
 
-	nft_print(ctx->octx, "}\n");
+	nft_print(&ctx->nft->output, "}\n");
 
 	return 0;
 }
@@ -2094,18 +2086,18 @@ static int do_list_chains(struct netlink_ctx *ctx, struct cmd *cmd)
 	struct table *table;
 	struct chain *chain;
 
-	list_for_each_entry(table, &ctx->cache->list, list) {
+	list_for_each_entry(table, &ctx->nft->cache.list, list) {
 		if (cmd->handle.family != NFPROTO_UNSPEC &&
 		    cmd->handle.family != table->handle.family)
 			continue;
 
-		table_print_declaration(table, ctx->octx);
+		table_print_declaration(table, &ctx->nft->output);
 
 		list_for_each_entry(chain, &table->chains, list) {
-			chain_print_declaration(chain, ctx->octx);
-			nft_print(ctx->octx, "\t}\n");
+			chain_print_declaration(chain, &ctx->nft->output);
+			nft_print(&ctx->nft->output, "\t}\n");
 		}
-		nft_print(ctx->octx, "}\n");
+		nft_print(&ctx->nft->output, "}\n");
 	}
 
 	return 0;
@@ -2114,9 +2106,9 @@ static int do_list_chains(struct netlink_ctx *ctx, struct cmd *cmd)
 static void __do_list_set(struct netlink_ctx *ctx, struct cmd *cmd,
 			  struct table *table, struct set *set)
 {
-	table_print_declaration(table, ctx->octx);
-	set_print(set, ctx->octx);
-	nft_print(ctx->octx, "}\n");
+	table_print_declaration(table, &ctx->nft->output);
+	set_print(set, &ctx->nft->output);
+	nft_print(&ctx->nft->output, "}\n");
 }
 
 static int do_list_set(struct netlink_ctx *ctx, struct cmd *cmd,
@@ -2137,11 +2129,11 @@ static int do_command_list(struct netlink_ctx *ctx, struct cmd *cmd)
 {
 	struct table *table = NULL;
 
-	if (ctx->octx->json)
+	if (ctx->nft->output.json)
 		return do_command_list_json(ctx, cmd);
 
 	if (cmd->handle.table.name != NULL)
-		table = table_lookup(&cmd->handle, ctx->cache);
+		table = table_lookup(&cmd->handle, &ctx->nft->cache);
 
 	switch (cmd->obj) {
 	case CMD_OBJ_TABLE:
@@ -2228,7 +2220,7 @@ static int do_command_get(struct netlink_ctx *ctx, struct cmd *cmd)
 	struct table *table = NULL;
 
 	if (cmd->handle.table.name != NULL)
-		table = table_lookup(&cmd->handle, ctx->cache);
+		table = table_lookup(&cmd->handle, &ctx->nft->cache);
 
 	switch (cmd->obj) {
 	case CMD_OBJ_SETELEM:
@@ -2267,7 +2259,7 @@ static int do_command_reset(struct netlink_ctx *ctx, struct cmd *cmd)
 
 	ret = netlink_reset_objs(ctx, cmd, type, dump);
 	list_for_each_entry_safe(obj, next, &ctx->list, list) {
-		table = table_lookup(&obj->handle, ctx->cache);
+		table = table_lookup(&obj->handle, &ctx->nft->cache);
 		list_move(&obj->list, &table->objs);
 	}
 	if (ret < 0)
@@ -2296,7 +2288,7 @@ static int do_command_flush(struct netlink_ctx *ctx, struct cmd *cmd)
 
 static int do_command_rename(struct netlink_ctx *ctx, struct cmd *cmd)
 {
-	struct table *table = table_lookup(&cmd->handle, ctx->cache);
+	struct table *table = table_lookup(&cmd->handle, &ctx->nft->cache);
 	const struct chain *chain;
 
 	switch (cmd->obj) {
@@ -2336,8 +2328,8 @@ static int do_command_monitor(struct netlink_ctx *ctx, struct cmd *cmd)
 		.format		= cmd->monitor->format,
 		.ctx		= ctx,
 		.loc		= &cmd->location,
-		.cache		= ctx->cache,
-		.debug_mask	= ctx->debug_mask,
+		.cache		= &ctx->nft->cache,
+		.debug_mask	= ctx->nft->debug_mask,
 	};
 
 	monhandler.cache_needed = need_cache(cmd);
@@ -2346,7 +2338,7 @@ static int do_command_monitor(struct netlink_ctx *ctx, struct cmd *cmd)
 		struct chain *chain;
 		int ret;
 
-		list_for_each_entry(t, &ctx->cache->list, list) {
+		list_for_each_entry(t, &ctx->nft->cache.list, list) {
 			list_for_each_entry(s, &t->sets, list)
 				s->init = set_expr_alloc(&cmd->location, s);
 
@@ -2372,7 +2364,7 @@ static int do_command_monitor(struct netlink_ctx *ctx, struct cmd *cmd)
 		}
 	}
 
-	return netlink_monitor(&monhandler, ctx->nf_sock);
+	return netlink_monitor(&monhandler, ctx->nft->nf_sock);
 }
 
 static int do_command_describe(struct netlink_ctx *ctx, struct cmd *cmd,
@@ -2434,7 +2426,7 @@ int do_command(struct netlink_ctx *ctx, struct cmd *cmd)
 	case CMD_MONITOR:
 		return do_command_monitor(ctx, cmd);
 	case CMD_DESCRIBE:
-		return do_command_describe(ctx, cmd, ctx->octx);
+		return do_command_describe(ctx, cmd, &ctx->nft->output);
 	default:
 		BUG("invalid command object type %u\n", cmd->obj);
 	}
-- 
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