diff options
| -rw-r--r-- | src/conntrack.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/src/conntrack.c b/src/conntrack.c index eec3868..706fe50 100644 --- a/src/conntrack.c +++ b/src/conntrack.c @@ -635,27 +635,23 @@ filter_nat(const struct nf_conntrack *obj, const struct nf_conntrack *ct) uint32_t ip; if (options & CT_OPT_SRC_NAT) { - if (!nfct_getobjopt(ct, NFCT_GOPT_IS_SNAT)) - return 1; - if (nfct_attr_is_set(obj, ATTR_SNAT_IPV4)) { ip = nfct_get_attr_u32(obj, ATTR_SNAT_IPV4); - if (ip != nfct_get_attr_u32(ct, ATTR_REPL_IPV4_DST)) - return 1; - } + if (ip == nfct_get_attr_u32(ct, ATTR_REPL_IPV4_DST)) + return 0; + } else if (nfct_getobjopt(ct, NFCT_GOPT_IS_SNAT)) + return 0; } if (options & CT_OPT_DST_NAT) { - if (!nfct_getobjopt(ct, NFCT_GOPT_IS_DNAT)) - return 1; - if (nfct_attr_is_set(obj, ATTR_DNAT_IPV4)) { ip = nfct_get_attr_u32(obj, ATTR_DNAT_IPV4); - if (ip != nfct_get_attr_u32(ct, ATTR_REPL_IPV4_SRC)) - return 1; - } + if (ip == nfct_get_attr_u32(ct, ATTR_REPL_IPV4_SRC)) + return 0; + } else if (nfct_getobjopt(ct, NFCT_GOPT_IS_DNAT)) + return 0; } - return 0; + return (options & (CT_OPT_SRC_NAT | CT_OPT_DST_NAT)) ? 1 : 0; } static int counter; |