Signed-off-by: Phil Sutter <phil@xxxxxx> --- include/json.h | 2 ++ include/socket.h | 2 ++ src/json.c | 6 ++++++ src/parser_json.c | 23 +++++++++++++++++++++++ src/socket.c | 2 ++ tests/py/inet/socket.t.json | 28 ++++++++++++++++++++++++++++ 6 files changed, 63 insertions(+) create mode 100644 tests/py/inet/socket.t.json diff --git a/include/json.h b/include/json.h index ae3938142aeac..1972bc841525d 100644 --- a/include/json.h +++ b/include/json.h @@ -39,6 +39,7 @@ json_t *numgen_expr_json(const struct expr *expr, struct output_ctx *octx); json_t *hash_expr_json(const struct expr *expr, struct output_ctx *octx); json_t *fib_expr_json(const struct expr *expr, struct output_ctx *octx); json_t *constant_expr_json(const struct expr *expr, struct output_ctx *octx); +json_t *socket_expr_json(const struct expr *expr, struct output_ctx *octx); json_t *integer_type_json(const struct expr *expr, struct output_ctx *octx); json_t *string_type_json(const struct expr *expr, struct output_ctx *octx); @@ -115,6 +116,7 @@ EXPR_PRINT_STUB(numgen_expr) EXPR_PRINT_STUB(hash_expr) EXPR_PRINT_STUB(fib_expr) EXPR_PRINT_STUB(constant_expr) +EXPR_PRINT_STUB(socket_expr) EXPR_PRINT_STUB(integer_type) EXPR_PRINT_STUB(string_type) diff --git a/include/socket.h b/include/socket.h index a2ae9f104958d..1814974ceb100 100644 --- a/include/socket.h +++ b/include/socket.h @@ -18,6 +18,8 @@ struct socket_template { enum byteorder byteorder; }; +extern const struct socket_template socket_templates[]; + extern struct expr *socket_expr_alloc(const struct location *loc, enum nft_socket_keys key); diff --git a/src/json.c b/src/json.c index 9019982a9ebf2..83d438c6c9c23 100644 --- a/src/json.c +++ b/src/json.c @@ -805,6 +805,12 @@ json_t *constant_expr_json(const struct expr *expr, struct output_ctx *octx) return datatype_json(expr, octx); } +json_t *socket_expr_json(const struct expr *expr, struct output_ctx *octx) +{ + return json_pack("{s:{s:s}}", "socket", "key", + socket_templates[expr->socket.key].token); +} + json_t *integer_type_json(const struct expr *expr, struct output_ctx *octx) { char buf[1024] = "0x"; diff --git a/src/parser_json.c b/src/parser_json.c index e340bebc03b6d..d60cbad8299ef 100644 --- a/src/parser_json.c +++ b/src/parser_json.c @@ -10,6 +10,7 @@ #include <netlink.h> #include <parser.h> #include <rule.h> +#include <socket.h> #include <netdb.h> #include <netinet/icmp6.h> @@ -345,6 +346,27 @@ static struct expr *json_parse_meta_expr(struct json_ctx *ctx, return meta_expr_alloc(int_loc, key); } +static struct expr *json_parse_socket_expr(struct json_ctx *ctx, + const char *type, json_t *root) +{ + const char *key; + int keyval = -1; + + + if (json_unpack_err(ctx, root, "{s:s}", "key", &key)) + return NULL; + + if (!strcmp(key, "transparent")) + keyval = NFT_SOCKET_TRANSPARENT; + + if (keyval == -1) { + json_error(ctx, "Invalid socket key value."); + return NULL; + } + + return socket_expr_alloc(int_loc, keyval); +} + static int json_parse_payload_field(const struct proto_desc *desc, const char *name, int *field) { @@ -1157,6 +1179,7 @@ static struct expr *json_parse_expr(struct json_ctx *ctx, json_t *root) { "exthdr", json_parse_exthdr_expr, CTX_F_PRIMARY | CTX_F_SET_RHS | CTX_F_SES | CTX_F_MAP }, { "tcp option", json_parse_tcp_option_expr, CTX_F_PRIMARY | CTX_F_SET_RHS | CTX_F_MANGLE | CTX_F_SES }, { "meta", json_parse_meta_expr, CTX_F_STMT | CTX_F_PRIMARY | CTX_F_SET_RHS | CTX_F_MANGLE | CTX_F_SES | CTX_F_MAP }, + { "socket", json_parse_socket_expr, CTX_F_PRIMARY }, { "rt", json_parse_rt_expr, CTX_F_STMT | CTX_F_PRIMARY | CTX_F_SET_RHS | CTX_F_SES | CTX_F_MAP }, { "ct", json_parse_ct_expr, CTX_F_STMT | CTX_F_PRIMARY | CTX_F_SET_RHS | CTX_F_MANGLE | CTX_F_SES | CTX_F_MAP }, { "numgen", json_parse_numgen_expr, CTX_F_STMT | CTX_F_PRIMARY | CTX_F_SET_RHS | CTX_F_SES | CTX_F_MAP }, diff --git a/src/socket.c b/src/socket.c index d5f401f06bbff..7cfe5a9d2bc6c 100644 --- a/src/socket.c +++ b/src/socket.c @@ -11,6 +11,7 @@ #include <nftables.h> #include <expression.h> #include <socket.h> +#include <json.h> const struct socket_template socket_templates[] = { [NFT_SOCKET_TRANSPARENT] = {.token = "transparent", @@ -39,6 +40,7 @@ static const struct expr_ops socket_expr_ops = { .type = EXPR_SOCKET, .name = "socket", .print = socket_expr_print, + .json = socket_expr_json, .cmp = socket_expr_cmp, .clone = socket_expr_clone, }; diff --git a/tests/py/inet/socket.t.json b/tests/py/inet/socket.t.json new file mode 100644 index 0000000000000..c1ac1d12ddfb8 --- /dev/null +++ b/tests/py/inet/socket.t.json @@ -0,0 +1,28 @@ +# socket transparent 0 +[ + { + "match": { + "left": { + "socket": { + "key": "transparent" + } + }, + "right": 0 + } + } +] + +# socket transparent 1 +[ + { + "match": { + "left": { + "socket": { + "key": "transparent" + } + }, + "right": 1 + } + } +] + -- 2.17.0 -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html