json: osf: add version json support

Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

2 files changed, 13 insertions, 3 deletions

diff --git a/src/json.c b/src/json.c
index 276a3c0f..4900c023 100644
--- a/src/json.c
+++ b/src/json.c
@@ -864,7 +864,12 @@ json_t *socket_expr_json(const struct expr *expr, struct output_ctx *octx)
 
 json_t *osf_expr_json(const struct expr *expr, struct output_ctx *octx)
 {
-	json_t *root = json_pack("{s:s}", "key", "name");
+	json_t *root;
+
+	if (expr->osf.flags & NFT_OSF_F_VERSION)
+		root = json_pack("{s:s}", "key", "version");
+	else
+		root = json_pack("{s:s}", "key", "name");
 
 	switch (expr->osf.ttl) {
 	case 1:
diff --git a/src/parser_json.c b/src/parser_json.c
index 704d85dc..827604be 100644
--- a/src/parser_json.c
+++ b/src/parser_json.c
@@ -381,6 +381,7 @@ static struct expr *json_parse_osf_expr(struct json_ctx *ctx,
 					const char *type, json_t *root)
 {
 	const char *key, *ttl;
+	uint32_t flagval = 0;
 	uint8_t ttlval = 0;
 
 	if (json_unpack_err(ctx, root, "{s:s}", "key", &key))
@@ -397,8 +398,12 @@ static struct expr *json_parse_osf_expr(struct json_ctx *ctx,
 		}
 	}
 
-	if (!strcmp(key, "name"))
-		return osf_expr_alloc(int_loc, ttlval);
+	if (!strcmp(key, "name")) {
+		return osf_expr_alloc(int_loc, ttlval, flagval);
+	} else if (!strcmp(key, "version")) {
+		flagval |= NFT_OSF_F_VERSION;
+		return osf_expr_alloc(int_loc, ttlval, flagval);
+	}
 
 	json_error(ctx, "Invalid osf key value.");
 	return NULL;