static int do_commit_master(void *data, void *n)
{
struct cache_object *obj = n;
if (ct_is_related(obj->ct))
return 0;
__do_commit_step(data, obj);
return 0;
}
static int do_commit_related(void *data, void *n)
{
struct cache_object *obj = n;
if (ct_is_related(obj->ct))
__do_commit_step(data, obj);
/* keep iterating even if we have found errors */
return 0;
}
int nl_update_conntrack(struct nfct_handle *h,
const struct nf_conntrack *orig,
int timeout)
{
int ret;
struct nf_conntrack *ct;
ct = nfct_clone(orig);
if (ct == NULL)
return -1;
if (timeout > 0)
nfct_set_attr_u32(ct, ATTR_TIMEOUT, timeout);
/* unset NAT info, otherwise we hit error */
nfct_attr_unset(ct, ATTR_SNAT_IPV4);
nfct_attr_unset(ct, ATTR_DNAT_IPV4);
nfct_attr_unset(ct, ATTR_SNAT_PORT);
nfct_attr_unset(ct, ATTR_DNAT_PORT);
if (nfct_attr_is_set(ct, ATTR_STATUS)) {
uint32_t status = nfct_get_attr_u32(ct, ATTR_STATUS);
status &= ~IPS_NAT_MASK;
nfct_set_attr_u32(ct, ATTR_STATUS, status);
}
/* we have to unset the helper to avoid EBUSY in reset timers */
if (nfct_attr_is_set(ct, ATTR_HELPER_NAME))
nfct_attr_unset(ct, ATTR_HELPER_NAME);
/* we hit error if we try to update the master conntrack */
if (ct_is_related(ct)) {
nfct_attr_unset(ct, ATTR_MASTER_L3PROTO);
nfct_attr_unset(ct, ATTR_MASTER_L4PROTO);
nfct_attr_unset(ct, ATTR_MASTER_IPV4_SRC);
nfct_attr_unset(ct, ATTR_MASTER_IPV4_DST);
nfct_attr_unset(ct, ATTR_MASTER_IPV6_SRC);
nfct_attr_unset(ct, ATTR_MASTER_IPV6_DST);
nfct_attr_unset(ct, ATTR_MASTER_PORT_SRC);
nfct_attr_unset(ct, ATTR_MASTER_PORT_DST);
}
/* disable TCP window tracking for recovered connections if required */
if (nfct_attr_is_set(ct, ATTR_TCP_STATE)) {
uint8_t flags = IP_CT_TCP_FLAG_SACK_PERM;
if (!CONFIG(sync).tcp_window_tracking)
flags |= IP_CT_TCP_FLAG_BE_LIBERAL;
else
flags |= IP_CT_TCP_FLAG_WINDOW_SCALE;
/* FIXME: workaround, we should send TCP flags in updates */
if (nfct_get_attr_u8(ct, ATTR_TCP_STATE) >=
TCP_CONNTRACK_TIME_WAIT) {
flags |= IP_CT_TCP_FLAG_CLOSE_INIT;
}
nfct_set_attr_u8(ct, ATTR_TCP_FLAGS_ORIG, flags);
nfct_set_attr_u8(ct, ATTR_TCP_MASK_ORIG, flags);
nfct_set_attr_u8(ct, ATTR_TCP_FLAGS_REPL, flags);
nfct_set_attr_u8(ct, ATTR_TCP_MASK_REPL, flags);
}
ret = nfct_query(h, NFCT_Q_UPDATE, ct);
nfct_destroy(ct);
return ret;
}
