JSON output of sets and map should not include the statements list if is empty. The statement output should be stateless also. In addition, removes duplicated code. Fixes: 07958ec53830 ("json: add set statement list support") Fixes: e66f3187d891 ("json: add table map statement support") Signed-off-by: Fernando Fernandez Mancera <ffmancera@xxxxxxxxxx> --- v2: fix typo in commit message --- src/json.c | 64 ++++++++++--------- .../shell/testcases/json/0001set_statements_0 | 2 +- tests/shell/testcases/json/0002table_map_0 | 2 +- 3 files changed, 35 insertions(+), 33 deletions(-) diff --git a/src/json.c b/src/json.c index 1f2889c6..87f87f37 100644 --- a/src/json.c +++ b/src/json.c @@ -105,6 +105,25 @@ static json_t *stmt_print_json(const struct stmt *stmt, struct output_ctx *octx) return json_pack("s", buf); } +static json_t *set_stmt_list_json(const struct list_head *stmt_list, + struct output_ctx *octx) +{ + unsigned int flags = octx->flags; + json_t *root, *tmp; + struct stmt *i; + + root = json_array(); + octx->flags |= NFT_CTX_OUTPUT_STATELESS; + + list_for_each_entry(i, stmt_list, list) { + tmp = stmt_print_json(i, octx); + json_array_append_new(root, tmp); + } + octx->flags = flags; + + return root; +} + static json_t *set_print_json(struct output_ctx *octx, const struct set *set) { json_t *root, *tmp; @@ -180,19 +199,10 @@ static json_t *set_print_json(struct output_ctx *octx, const struct set *set) json_object_set_new(root, "elem", array); } - if (!list_empty(&set->stmt_list)) { - json_t *array, *tmp; - struct stmt *stmt; - - array = json_array(); - - list_for_each_entry(stmt, &set->stmt_list, list) { - tmp = stmt_print_json(stmt, octx); - json_array_append_new(array, tmp); - } - - json_object_set_new(root, "stmt", array); - } + if (!list_empty(&set->stmt_list)) + json_object_set_new(root, "stmt", + set_stmt_list_json(&set->stmt_list, + octx)); return json_pack("{s:o}", type, root); } @@ -1453,29 +1463,21 @@ json_t *counter_stmt_json(const struct stmt *stmt, struct output_ctx *octx) "bytes", stmt->counter.bytes); } -static json_t *set_stmt_list_json(const struct list_head *stmt_list, - struct output_ctx *octx) -{ - json_t *root, *tmp; - struct stmt *i; - - root = json_array(); - - list_for_each_entry(i, stmt_list, list) { - tmp = stmt_print_json(i, octx); - json_array_append_new(root, tmp); - } - - return root; -} - json_t *set_stmt_json(const struct stmt *stmt, struct output_ctx *octx) { - return json_pack("{s:{s:s, s:o, s:o, s:s+}}", "set", + json_t *root; + + root = json_pack("{s:s, s:o, s:s+}", "op", set_stmt_op_names[stmt->set.op], "elem", expr_print_json(stmt->set.key, octx), - "stmt", set_stmt_list_json(&stmt->set.stmt_list, octx), "set", "@", stmt->set.set->set->handle.set.name); + + if (!list_empty(&stmt->set.stmt_list)) + json_object_set_new(root, "stmt", + set_stmt_list_json(&stmt->set.stmt_list, + octx)); + + return json_pack("{s:o}", "set", root); } json_t *objref_stmt_json(const struct stmt *stmt, struct output_ctx *octx) diff --git a/tests/shell/testcases/json/0001set_statements_0 b/tests/shell/testcases/json/0001set_statements_0 index 1c72d35b..388b0bfe 100755 --- a/tests/shell/testcases/json/0001set_statements_0 +++ b/tests/shell/testcases/json/0001set_statements_0 @@ -4,6 +4,6 @@ set -e $NFT flush ruleset -RULESET='{"nftables": [{"metainfo": {"version": "1.0.5", "release_name": "Lester Gooch #4", "json_schema_version": 1}}, {"table": {"family": "ip", "name": "testt", "handle": 3}}, {"set": {"family": "ip", "name": "ssh_meter", "table": "testt", "type": "ipv4_addr", "handle": 2, "size": 65535}}, {"chain": {"family": "ip", "table": "testt", "name": "testc", "handle": 1, "type": "filter", "hook": "input", "prio": 0, "policy": "accept"}}, {"rule": {"family": "ip", "table": "testt", "chain": "testc", "handle": 3, "expr": [{"match": {"op": "==", "left": {"payload": {"protocol": "tcp", "field": "dport"}}, "right": 22}}, {"match": {"op": "in", "left": {"ct": {"key": "state"}}, "right": "new"}}, {"set": {"op": "add", "elem": {"payload": {"protocol": "ip", "field": "saddr"}}, "stmt": [{"limit": {"rate": 10, "burst": 5, "per": "second"}}], "set": "@ssh_meter"}}, {"accept": null}]}}]}' +RULESET='{"nftables": [{"metainfo": {"version": "1.0.5", "release_name": "Lester Gooch #4", "json_schema_version": 1}}, {"table": {"family": "ip", "name": "testt", "handle": 11}}, {"set": {"family": "ip", "name": "ssh_meter", "table": "testt", "type": "ipv4_addr", "handle": 1, "size": 65535}}, {"chain": {"family": "ip", "table": "testt", "name": "testc", "handle": 2, "type": "filter", "hook": "input", "prio": 0, "policy": "accept"}}, {"rule": {"family": "ip", "table": "testt", "chain": "testc", "handle": 3, "expr": [{"match": {"op": "==", "left": {"payload": {"protocol": "tcp", "field": "dport"}}, "right": 22}}, {"match": {"op": "in", "left": {"ct": {"key": "state"}}, "right": "new"}}, {"set": {"op": "add", "elem": {"payload": {"protocol": "ip", "field": "saddr"}}, "set": "@ssh_meter", "stmt": [{"limit": {"rate": 10, "burst": 5, "per": "second"}}]}}, {"accept": null}]}}]}' $NFT -j -f - <<< $RULESET diff --git a/tests/shell/testcases/json/0002table_map_0 b/tests/shell/testcases/json/0002table_map_0 index 4b54527b..9619de2d 100755 --- a/tests/shell/testcases/json/0002table_map_0 +++ b/tests/shell/testcases/json/0002table_map_0 @@ -4,6 +4,6 @@ set -e $NFT flush ruleset -RULESET='{"nftables": [{"metainfo": {"version": "1.0.5", "release_name": "Lester Gooch #4", "json_schema_version": 1}}, {"table": {"family": "ip", "name": "t", "handle": 4}}, {"map": {"family": "ip", "name": "m", "table": "t", "type": "ipv4_addr", "handle": 1, "map": "mark", "stmt": [{"counter": {"packets": 0, "bytes": 0}}]}}]}' +RULESET='{"nftables": [{"metainfo": {"version": "1.0.5", "release_name": "Lester Gooch #4", "json_schema_version": 1}}, {"table": {"family": "ip", "name": "t", "handle": 12}}, {"map": {"family": "ip", "name": "m", "table": "t", "type": "ipv4_addr", "handle": 1, "map": "mark", "stmt": [{"counter": null}]}}]}' $NFT -j -f - <<< $RULESET -- 2.30.2