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author | Álvaro Neira Ayuso <alvaroneay@gmail.com> | 2013-08-09 13:12:46 +0200 |
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committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-08-09 13:22:49 +0200 |
commit | 01918c4846b56d4144e4189f28f3a5ee99c90a6f (patch) | |
tree | 39e3a8f2279069109977ea4a31076f0e2d0bc0be /src | |
parent | 0491ee36f8f298ec86eeb7e84fa42f296e91a1aa (diff) |
expr: ct: optional output in ct
Display direction and key if available
Signed-off-by: Alvaro Neira Ayuso Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src')
-rw-r--r-- | src/expr/ct.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/src/expr/ct.c b/src/expr/ct.c index 99448c6..f86fd4d 100644 --- a/src/expr/ct.c +++ b/src/expr/ct.c @@ -226,6 +226,30 @@ err: } static int +nft_expr_ct_snprintf_json(char *buf, size_t size, struct nft_rule_expr *e) +{ + int ret, len = size, offset = 0; + struct nft_expr_ct *ct = nft_expr_data(e); + + ret = snprintf(buf, size, "\"dreg\" : %u", ct->dreg); + SNPRINTF_BUFFER_SIZE(ret, size, len, offset); + + if (e->flags & (1 << NFT_EXPR_CT_KEY)) { + ret = snprintf(buf+offset, size, ", \"key\" : \"%s\"", + ctkey2str(ct->key)); + SNPRINTF_BUFFER_SIZE(ret, size, len, offset); + } + + if (e->flags & (1 << NFT_EXPR_CT_DIR)) { + ret = snprintf(buf+offset, size, ", \"dir\" : %u", ct->dir); + SNPRINTF_BUFFER_SIZE(ret, size, len, offset); + } + + return offset; + +} + +static int nft_rule_expr_ct_snprintf(char *buf, size_t len, uint32_t type, uint32_t flags, struct nft_rule_expr *e) { @@ -241,10 +265,7 @@ nft_rule_expr_ct_snprintf(char *buf, size_t len, uint32_t type, "<dir>%u</dir>", ct->dreg, ctkey2str(ct->key), ct->dir); case NFT_RULE_O_JSON: - return snprintf(buf, len, "\"dreg\" : %u, " - "\"key\" : \"%s\", " - "\"dir\" : %u", - ct->dreg, ctkey2str(ct->key), ct->dir); + return nft_expr_ct_snprintf_json(buf, len, e); default: break; } |