diff options
Diffstat (limited to 'src/json.c')
| -rw-r--r-- | src/json.c | 29 |
1 files changed, 29 insertions, 0 deletions
@@ -16,6 +16,7 @@ #include <linux/netfilter/nf_log.h> #include <linux/netfilter/nf_nat.h> #include <linux/netfilter/nf_tables.h> +#include <linux/netfilter/nf_synproxy.h> #include <linux/xfrm.h> #include <pwd.h> #include <grp.h> @@ -1466,6 +1467,34 @@ json_t *tproxy_stmt_json(const struct stmt *stmt, struct output_ctx *octx) return json_pack("{s:o}", "tproxy", root); } +json_t *synproxy_stmt_json(const struct stmt *stmt, struct output_ctx *octx) +{ + json_t *root = json_object(), *flags = json_array(); + + if (stmt->synproxy.flags & NF_SYNPROXY_OPT_MSS) + json_object_set_new(root, "mss", + json_integer(stmt->synproxy.mss)); + if (stmt->synproxy.flags & NF_SYNPROXY_OPT_WSCALE) + json_object_set_new(root, "wscale", + json_integer(stmt->synproxy.wscale)); + if (stmt->synproxy.flags & NF_SYNPROXY_OPT_TIMESTAMP) + json_array_append_new(flags, json_string("timestamp")); + if (stmt->synproxy.flags & NF_SYNPROXY_OPT_SACK_PERM) + json_array_append_new(flags, json_string("sack-perm")); + + if (json_array_size(flags) > 0) + json_object_set_new(root, "flags", flags); + else + json_decref(flags); + + if (!json_object_size(root)) { + json_decref(root); + root = json_null(); + } + + return json_pack("{s:o}", "synproxy", root); +} + static json_t *table_print_json_full(struct netlink_ctx *ctx, struct table *table) { |