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Added detection of ghost hosts in discovery

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This commit is contained in:
Luca Deri 2017-08-11 14:24:05 +02:00
parent 752a283d6f
commit df41e83925
7 changed files with 117 additions and 11 deletions
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34
src/NetworkInterface.cpp
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@ -4622,6 +4622,39 @@ static bool hosts_search_walker(GenericHashEntry *h, void *user_data) {
/* **************************************************** */
struct search_mac_info {
lua_State *vm;
u_int8_t *mac;
u_int num_matches;
};
/* **************************************************** */
static bool macs_search_walker(GenericHashEntry *h, void *user_data) {
Host *host = (Host*)h;
struct search_mac_info *info = (struct search_mac_info*)user_data;
if(host->addIfMatching(info->vm, info->mac))
info->num_matches++;
/* Stop after CONST_MAX_NUM_FIND_HITS matches */
return((info->num_matches > CONST_MAX_NUM_FIND_HITS) ? true /* stop */ : false /* keep walking */);
}
/* *************************************** */
bool NetworkInterface::findHostsByMac(lua_State* vm, u_int8_t *mac) {
struct search_mac_info info;
info.vm = vm, info.mac = mac, info.num_matches = 0;
lua_newtable(vm);
walker(walker_hosts, macs_search_walker, (void*)&info);
return(info.num_matches > 0);
}
/* **************************************************** */
bool NetworkInterface::findHostsByName(lua_State* vm,
AddressTree *allowed_hosts,
char *key) {
@ -5844,3 +5877,4 @@ void NetworkInterface::topMacsAdd(Mac *mac, ndpi_protocol *proto, u_int32_t byte
frequentMacs->addMacProtocol(mac->get_mac(), proto->app_protocol, bytes);
}
}