STDMETHODIMP CArpScanner::Scan(LONG adapter, BSTR ip, BSTR mac, LONG * response)
{
unsigned char dst_mac[6];
IN_ADDR dst_ip;
*response = -1;
/* check if scan is already started, check for bad parameters */
if (this->scan_thread != NULL) { __raise OnScanError(E_SCAN_IN_PROGRESS); return S_FALSE; }
if (!this->CheckAdapterNumber(adapter)) { __raise OnScanError(E_INVALID_ADAPTER); return S_FALSE; }
CComBSTR _ip(ip);
CComBSTR _mac(mac);
CW2CT szIP(_ip);
CW2CT szMAC(_mac);
dst_ip.S_un.S_addr = inet_addr(szIP);
if (dst_ip.S_un.S_addr == INADDR_NONE) { __raise OnScanError(E_INVALID_IP); return S_FALSE; }
if (!TXT2MAC(dst_mac, szMAC)) { __raise OnScanError(E_INVALID_MAC); return S_FALSE; }
/* perform actual scan (blocking) */
*response = ArpScanSingle(this, adapter, dst_ip, dst_mac);
return S_OK;
}
void nl_bridge::add_neigh_to_fdb(rtnl_neigh *neigh) {
assert(sw);
assert(neigh);
uint32_t port = nl->get_port_id(rtnl_neigh_get_ifindex(neigh));
if (port == 0) {
VLOG(1) << __FUNCTION__ << ": unknown port for neigh " << OBJ_CAST(neigh);
return;
}
nl_addr *mac = rtnl_neigh_get_lladdr(neigh);
int vlan = rtnl_neigh_get_vlan(neigh);
bool permanent = true;
// for sure this is master (sw bridged)
if (rtnl_neigh_get_master(neigh) &&
!(rtnl_neigh_get_flags(neigh) & NTF_MASTER)) {
rtnl_neigh_set_flags(neigh, NTF_MASTER);
}
// check if entry already exists in cache
if (is_mac_in_l2_cache(neigh)) {
permanent = false;
}
rofl::caddress_ll _mac((uint8_t *)nl_addr_get_binary_addr(mac),
nl_addr_get_len(mac));
LOG(INFO) << __FUNCTION__ << ": add mac=" << _mac << " to bridge "
<< rtnl_link_get_name(bridge) << " on port=" << port
<< " vlan=" << (unsigned)vlan << ", permanent=" << permanent;
LOG(INFO) << __FUNCTION__ << ": object: " << OBJ_CAST(neigh);
sw->l2_addr_add(port, vlan, _mac, true, permanent);
}
