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author | Álvaro Neira Ayuso <alvaroneay@gmail.com> | 2013-08-20 17:58:46 +0200 |
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committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-08-20 21:01:09 +0200 |
commit | c83c53a26de25c1e2900f7841647cec3b57c7438 (patch) | |
tree | 4c0291b9a495e44911ba104650e2b04b4d4eb776 /src/expr/immediate.c | |
parent | 978988a0f4730f1da2cfd7e3fa0670711bb6b802 (diff) |
rule: Add json parser support
Add function for parsing rules in JSON format
Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/expr/immediate.c')
-rw-r--r-- | src/expr/immediate.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/expr/immediate.c b/src/expr/immediate.c index 2061172..d548b75 100644 --- a/src/expr/immediate.c +++ b/src/expr/immediate.c @@ -178,6 +178,45 @@ nft_rule_expr_immediate_parse(struct nft_rule_expr *e, struct nlattr *attr) } static int +nft_rule_expr_immediate_json_parse(struct nft_rule_expr *e, json_t *root) +{ +#ifdef JSON_PARSING + struct nft_expr_immediate *imm = nft_expr_data(e); + int datareg_type; + uint32_t reg; + + if (nft_jansson_value_parse_reg(root, "dreg", NFT_TYPE_U32, ®) != 0) + return -1; + + nft_rule_expr_set_u32(e, NFT_EXPR_IMM_DREG, reg); + + datareg_type = nft_jansson_data_reg_parse(root, "immediatedata", + &imm->data); + if (datareg_type < 0) + return -1; + + switch (datareg_type) { + case DATA_VALUE: + e->flags |= (1 << NFT_EXPR_IMM_DATA); + break; + case DATA_VERDICT: + e->flags |= (1 << NFT_EXPR_IMM_VERDICT); + break; + case DATA_CHAIN: + e->flags |= (1 << NFT_EXPR_IMM_CHAIN); + break; + default: + return -1; + } + + return 0; +#else + errno = EOPNOTSUPP; + return -1; +#endif +} + +static int nft_rule_expr_immediate_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree) { #ifdef XML_PARSING @@ -342,6 +381,7 @@ struct expr_ops expr_ops_immediate = { .build = nft_rule_expr_immediate_build, .snprintf = nft_rule_expr_immediate_snprintf, .xml_parse = nft_rule_expr_immediate_xml_parse, + .json_parse = nft_rule_expr_immediate_json_parse, }; static void __init expr_immediate_init(void) |