diff options
Diffstat (limited to 'src/expr/nat.c')
| -rw-r--r-- | src/expr/nat.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/expr/nat.c b/src/expr/nat.c index e6866ec..312594f 100644 --- a/src/expr/nat.c +++ b/src/expr/nat.c @@ -196,6 +196,64 @@ static inline int nft_str2nat(const char *nat) } } +static int nft_rule_expr_nat_json_parse(struct nft_rule_expr *e, json_t *root) +{ +#ifdef JSON_PARSING + const char *nat_type, *family_str; + uint32_t reg; + int val32; + + nat_type = nft_jansson_value_parse_str(root, "nat_type"); + if (nat_type == NULL) + return -1; + + val32 = nft_str2nat(nat_type); + if (val32 < 0) + return -1; + + nft_rule_expr_set_u32(e, NFT_EXPR_NAT_TYPE, val32); + + family_str = nft_jansson_value_parse_str(root, "family"); + if (family_str == NULL) + return -1; + + val32 = nft_str2family(family_str); + if (val32 < 0) + return -1; + + nft_rule_expr_set_u32(e, NFT_EXPR_NAT_FAMILY, val32); + + if (nft_jansson_value_parse_reg(root, "sreg_addr_min", NFT_TYPE_U32, + ®) != 0) + return -1; + + nft_rule_expr_set_u32(e, NFT_EXPR_NAT_REG_ADDR_MIN, reg); + + if (nft_jansson_value_parse_reg(root, "sreg_addr_max", NFT_TYPE_U32, + ®) != 0) + return -1; + + nft_rule_expr_set_u32(e, NFT_EXPR_NAT_REG_ADDR_MAX, reg); + + if (nft_jansson_value_parse_reg(root, "sreg_proto_min", NFT_TYPE_U32, + ®) != 0) + return -1; + + nft_rule_expr_set_u32(e, NFT_EXPR_NAT_REG_PROTO_MIN, reg); + + if (nft_jansson_value_parse_reg(root, "sreg_proto_max", NFT_TYPE_U32, + ®) != 0) + return -1; + + nft_rule_expr_set_u32(e, NFT_EXPR_NAT_REG_PROTO_MAX, reg); + + return 0; +#else + errno = EOPNOTSUPP; + return -1; +#endif +} + static int nft_rule_expr_nat_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree) { #ifdef XML_PARSING @@ -402,6 +460,7 @@ struct expr_ops expr_ops_nat = { .build = nft_rule_expr_nat_build, .snprintf = nft_rule_expr_nat_snprintf, .xml_parse = nft_rule_expr_nat_xml_parse, + .json_parse = nft_rule_expr_nat_json_parse, }; static void __init expr_nat_init(void) |