diff options
Diffstat (limited to 'src/expr/ct.c')
| -rw-r--r-- | src/expr/ct.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/expr/ct.c b/src/expr/ct.c index f86fd4d..c131e67 100644 --- a/src/expr/ct.c +++ b/src/expr/ct.c @@ -178,6 +178,54 @@ static inline int str2ctkey(const char *ctkey) return -1; } +static int nft_rule_expr_ct_json_parse(struct nft_rule_expr *e, json_t *root) +{ +#ifdef JSON_PARSING + const char *key_str; + uint32_t reg; + uint8_t dir; + int key; + + if (nft_jansson_value_parse_reg(root, "dreg", NFT_TYPE_U32, ®) != 0) + return -1; + + nft_rule_expr_set_u32(e, NFT_EXPR_CT_DREG, reg); + + if (nft_jansson_node_exist(root, "key")) { + key_str = nft_jansson_value_parse_str(root, "key"); + if (key_str == NULL) + return -1; + + key = str2ctkey(key_str); + if (key < 0) + goto err; + + nft_rule_expr_set_u32(e, NFT_EXPR_CT_KEY, key); + + } + + if (nft_jansson_node_exist(root, "dir")) { + if (nft_jansson_value_parse_val(root, "dir", NFT_TYPE_U8, + &dir) != 0) + return -1; + + if (dir != IP_CT_DIR_ORIGINAL && dir != IP_CT_DIR_REPLY) + goto err; + + nft_rule_expr_set_u8(e, NFT_EXPR_CT_DIR, dir); + } + + return 0; +err: + errno = EINVAL; + return -1; +#else + errno = EOPNOTSUPP; + return -1; +#endif +} + + static int nft_rule_expr_ct_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree) { #ifdef XML_PARSING @@ -282,6 +330,7 @@ struct expr_ops expr_ops_ct = { .build = nft_rule_expr_ct_build, .snprintf = nft_rule_expr_ct_snprintf, .xml_parse = nft_rule_expr_ct_xml_parse, + .json_parse = nft_rule_expr_ct_json_parse, }; static void __init expr_ct_init(void) |