path: root/include/expression.h
diff options
authorPhil Sutter <>2018-05-08 13:08:37 +0200
committerPablo Neira Ayuso <>2018-05-11 12:16:59 +0200
commite70354f53e9f6be4a4be31dbc46c5e23291d3587 (patch)
tree8d0bb763d9e80c5eb33e899666552e2bd414053b /include/expression.h
parente77b31f53a61a8995cd6baf91a6e557260f401bd (diff)
libnftables: Implement JSON output support
Although technically there already is support for JSON output via 'nft export json' command, it is hardly useable since it exports all the gory details of nftables VM. Also, libnftables has no control over what is exported since the content comes directly from libnftnl. Instead, implement JSON format support for regular 'nft list' commands. Signed-off-by: Phil Sutter <> Signed-off-by: Pablo Neira Ayuso <>
Diffstat (limited to 'include/expression.h')
1 files changed, 3 insertions, 0 deletions
diff --git a/include/expression.h b/include/expression.h
index 23d6bd23..15af35e8 100644
--- a/include/expression.h
+++ b/include/expression.h
@@ -9,6 +9,7 @@
#include <datatype.h>
#include <utils.h>
#include <list.h>
+#include <json.h>
* enum expr_types
@@ -154,6 +155,8 @@ struct expr_ops {
enum byteorder byteorder);
void (*print)(const struct expr *expr,
struct output_ctx *octx);
+ json_t *(*json)(const struct expr *expr,
+ struct output_ctx *octx);
bool (*cmp)(const struct expr *e1,
const struct expr *e2);
void (*pctx_update)(struct proto_ctx *ctx,