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ntopng/include/Host.h

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/*
*
* (C) 2013-19 - ntop.org
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef _HOST_H_
#define _HOST_H_
#include "ntop_includes.h"
class Host : public GenericHashEntry {
protected:
IpAddress ip;
Mac *mac;
char *asname;
bool stats_reset_requested, data_delete_requested;
u_int16_t vlan_id, host_pool_id;
HostStats *stats, *stats_shadow;
time_t last_stats_reset;
/* Host data: update Host::deleteHostData when adding new fields */
struct {
char *symbolic_name; /* write protected by mutex */
} names;
char *mdns_info;
char *ssdpLocation;
bool host_label_set;
/* END Host data: */
u_int32_t num_alerts_detected;
AlertCounter *syn_flood_attacker_alert, *syn_flood_victim_alert;
AlertCounter *flow_flood_attacker_alert, *flow_flood_victim_alert;
bool trigger_host_alerts;
u_int32_t num_active_flows_as_client, num_active_flows_as_server;
u_int32_t low_goodput_client_flows, low_goodput_server_flows;
u_int32_t asn;
AutonomousSystem *as;
Country *country;
Vlan *vlan;
bool blacklisted_host;
Mutex *m;
u_int32_t mac_last_seen;
u_int8_t num_resolve_attempts;
time_t nextResolveAttempt;
bool good_low_flow_detected;
FlowAlertCounter *flow_alert_counter;
#ifdef NTOPNG_PRO
TrafficShaper **host_traffic_shapers;
bool has_blocking_quota, has_blocking_shaper;
#endif
bool hidden_from_top;
void initialize(Mac *_mac, u_int16_t _vlan_id, bool init_all);
bool statsResetRequested();
void checkStatsReset();
virtual bool readDHCPCache() { return false; };
#ifdef NTOPNG_PRO
TrafficShaper *get_shaper(ndpi_protocol ndpiProtocol, bool isIngress);
void get_quota(u_int16_t protocol, u_int64_t *bytes_quota, u_int32_t *secs_quota, u_int32_t *schedule_bitmap, bool *is_category);
#endif
char* get_name(char *buf, u_int buf_len, bool force_resolution_if_not_found);
void luaStrTableEntryLocked(lua_State * const vm, const char * const entry_name, const char * const entry) const;
char* printMask(char *str, u_int str_len) { return ip.printMask(str, str_len, isLocalHost()); };
virtual void deleteHostData();
public:
Host(NetworkInterface *_iface, char *ipAddress, u_int16_t _vlanId);
Host(NetworkInterface *_iface, Mac *_mac, u_int16_t _vlanId, IpAddress *_ip);
virtual ~Host();
virtual bool isLocalHost() = 0;
virtual bool isSystemHost() = 0;
inline void setSystemHost() { /* TODO: remove */ };
inline nDPIStats* get_ndpi_stats() { return(stats->getnDPIStats()); };
virtual void set_to_purge() { /* Saves 1 extra-step of purge idle */
iface->decNumHosts(isLocalHost());
GenericHashEntry::set_to_purge();
};
inline bool isChildSafe() {
#ifdef NTOPNG_PRO
return(iface->getHostPools()->isChildrenSafePool(host_pool_id));
#else
return(false);
#endif
};
inline bool forgeGlobalDns() {
#ifdef NTOPNG_PRO
return(iface->getHostPools()->forgeGlobalDns(host_pool_id));
#else
return(false);
#endif
};
virtual HostStats* allocateStats() { return(new HostStats(this)); };
void updateStats(struct timeval *tv);
void incLowGoodputFlows(bool asClient);
void decLowGoodputFlows(bool asClient);
inline u_int16_t get_host_pool() { return(host_pool_id); };
inline u_int16_t get_vlan_id() { return(vlan_id); };
inline void incRetransmittedPkts(u_int32_t num) { stats->incRetransmittedPkts(num); };
inline void incOOOPkts(u_int32_t num) { stats->incOOOPkts(num); };
inline void incLostPkts(u_int32_t num) { stats->incLostPkts(num); };
inline void incKeepAlivePkts(u_int32_t num) { stats->incKeepAlivePkts(num); };
inline void incSentStats(u_int pkt_len) { stats->incSentStats(pkt_len); };
inline void incRecvStats(u_int pkt_len) { stats->incRecvStats(pkt_len); };
virtual int16_t get_local_network_id() = 0;
virtual HTTPstats* getHTTPstats() { return(NULL); };
inline void set_ipv4(u_int32_t _ipv4) { ip.set(_ipv4); };
inline void set_ipv6(struct ndpi_in6_addr *_ipv6) { ip.set(_ipv6); };
inline u_int32_t key() { return(ip.key()); };
char* getJSON();
inline IpAddress* get_ip() { return(&ip); }
void set_mac(Mac *m);
void set_mac(char *m);
void set_mac(u_int8_t *m);
inline bool isBlacklisted() { return(blacklisted_host); };
void reloadHostBlacklist();
inline u_int8_t* get_mac() { return(mac ? mac->get_mac() : NULL); }
inline Mac* getMac() { return(mac); }
virtual char * get_os(char * const buf, ssize_t buf_len) const;
inline char* get_name() { return(names.symbolic_name); }
#ifdef NTOPNG_PRO
inline TrafficShaper *get_ingress_shaper(ndpi_protocol ndpiProtocol) { return(get_shaper(ndpiProtocol, true)); }
inline TrafficShaper *get_egress_shaper(ndpi_protocol ndpiProtocol) { return(get_shaper(ndpiProtocol, false)); }
inline void resetQuotaStats() { stats->resetQuotaStats(); }
bool checkQuota(ndpi_protocol ndpiProtocol, L7PolicySource_t *quota_source, const struct tm *now);
inline bool hasBlockedTraffic() { return has_blocking_quota || has_blocking_shaper; };
inline void resetBlockedTrafficStatus(){ has_blocking_quota = has_blocking_shaper = false; };
void luaUsedQuotas(lua_State* vm);
inline void incQuotaEnforcementStats(u_int32_t when, u_int16_t ndpi_proto,
u_int64_t sent_packets, u_int64_t sent_bytes,
u_int64_t rcvd_packets, u_int64_t rcvd_bytes) {
stats->incQuotaEnforcementStats(when, ndpi_proto, sent_packets, sent_bytes, rcvd_packets, rcvd_bytes);
}
inline void incQuotaEnforcementCategoryStats(u_int32_t when,
ndpi_protocol_category_t category_id,
u_int64_t sent_bytes, u_int64_t rcvd_bytes) {
stats->incQuotaEnforcementCategoryStats(when, category_id, sent_bytes, rcvd_bytes);
}
#endif
inline u_int64_t getNumBytesSent() { return(stats->getNumBytesSent()); }
inline u_int64_t getNumBytesRcvd() { return(stats->getNumBytesRcvd()); }
inline u_int64_t getNumDroppedFlows() { return(stats->getNumDroppedFlows());}
inline u_int64_t getNumBytes() { return(stats->getNumBytes());}
inline bool checkpoint(lua_State* vm, NetworkInterface *iface,
u_int8_t checkpoint_id,
DetailsLevel details_level) { return(stats->checkpoint(vm, iface, checkpoint_id, details_level)); }
inline float getThptTrendDiff() { return(stats->getThptTrendDiff()); }
inline float getBytesThpt() { return(stats->getBytesThpt()); }
inline float getPacketsThpt() { return(stats->getPacketsThpt()); }
inline void incNumDroppedFlows() { stats->incNumDroppedFlows(); }
inline u_int32_t get_asn() { return(asn); }
inline char* get_asname() { return(asname); }
inline AutonomousSystem* get_as() { return(as); }
inline bool isPrivateHost() { return(ip.isPrivateAddress()); }
bool isLocalInterfaceAddress();
char* get_visual_name(char *buf, u_int buf_len);
inline char* get_string_key(char *buf, u_int buf_len) { return(ip.print(buf, buf_len)); };
char* get_hostkey(char *buf, u_int buf_len, bool force_vlan=false);
bool idle();
virtual void incICMP(u_int8_t icmp_type, u_int8_t icmp_code, bool sent, Host *peer) {};
virtual void lua(lua_State* vm, AddressTree * ptree, bool host_details,
bool verbose, bool returnHost, bool asListElement);
void resolveHostName();
void setName(char *name);
void set_host_label(char *label_name, bool ignoreIfPresent);
inline bool is_label_set() { return(host_label_set); };
inline int compare(Host *h) { return(ip.compare(&h->ip)); };
inline bool equal(IpAddress *_ip) { return(_ip && ip.equal(_ip)); };
void incStats(u_int32_t when, u_int8_t l4_proto, u_int ndpi_proto,
custom_app_t custom_app,
u_int64_t sent_packets, u_int64_t sent_bytes, u_int64_t sent_goodput_bytes,
u_int64_t rcvd_packets, u_int64_t rcvd_bytes, u_int64_t rcvd_goodput_bytes);
void incHitter(Host *peer, u_int64_t sent_bytes, u_int64_t rcvd_bytes);
virtual void updateHostTrafficPolicy(char *key) {};
virtual json_object* getJSONObject(DetailsLevel details_level);
char* serialize();
virtual void serialize2redis() {};
bool addIfMatching(lua_State* vm, AddressTree * ptree, char *key);
bool addIfMatching(lua_State* vm, u_int8_t *mac);
void updateSynFlags(time_t when, u_int8_t flags, Flow *f, bool syn_sent);
inline void updateRoundTripTime(u_int32_t rtt_msecs) {
if(as) as->updateRoundTripTime(rtt_msecs);
}
void incNumFlows(bool as_client, Host *peer);
void decNumFlows(bool as_client, Host *peer);
inline void incFlagStats(bool as_client, u_int8_t flags) { stats->incFlagStats(as_client, flags); };
virtual void incNumDNSQueriesSent(u_int16_t query_type) { };
virtual void incNumDNSQueriesRcvd(u_int16_t query_type) { };
virtual void incNumDNSResponsesSent(u_int32_t ret_code) { };
virtual void incNumDNSResponsesRcvd(u_int32_t ret_code) { };
virtual void postHashAdd();
virtual NetworkStats* getNetworkStats(int16_t networkId) { return(NULL); };
inline Country* getCountryStats() { return country; };
bool match(AddressTree *tree) { return(get_ip() ? get_ip()->match(tree) : false); };
void updateHostPool(bool isInlineCall, bool firstUpdate=false);
virtual bool dropAllTraffic() { return(false); };
bool incFlowAlertHits(time_t when);
virtual bool setRemoteToRemoteAlerts() { return(false); };
inline void checkPointHostTalker(lua_State *vm, bool saveCheckpoint) { stats->checkPointHostTalker(vm, saveCheckpoint); }
virtual void incrVisitedWebSite(char *hostname) {};
virtual u_int32_t getActiveHTTPHosts() { return(0); };
inline u_int32_t getNumOutgoingFlows() { return(num_active_flows_as_client); }
inline u_int32_t getNumIncomingFlows() { return(num_active_flows_as_server); }
inline u_int32_t getNumActiveFlows() { return(getNumOutgoingFlows()+getNumIncomingFlows()); }
void splitHostVlan(const char *at_sign_str, char *buf, int bufsize, u_int16_t *vlan_id);
char* get_country(char *buf, u_int buf_len);
char* get_city(char *buf, u_int buf_len);
void get_geocoordinates(float *latitude, float *longitude);
inline u_int16_t getVlanId() { return (vlan ? vlan->get_vlan_id() : 0); }
inline void reloadHideFromTop() { hidden_from_top = iface->isHiddenFromTop(this); }
inline bool isHiddenFromTop() { return hidden_from_top; }
inline bool isOneWayTraffic() { return !(stats->getRecvBytes() > 0 && stats->getSentBytes() > 0); };
virtual void tsLua(lua_State* vm) { lua_pushnil(vm); };
DeviceProtoStatus getDeviceAllowedProtocolStatus(ndpi_protocol proto, bool as_client);
inline void requestStatsReset() { stats_reset_requested = true; };
inline void requestDataReset() { data_delete_requested = true; requestStatsReset(); };
void checkDataReset();
bool hasAnomalies();
void luaAnomalies(lua_State* vm);
void loadAlertsCounter();
bool triggerAlerts() { return(trigger_host_alerts); };
void refreshHostAlertPrefs();
u_int32_t getNumAlerts(bool from_alertsmanager = false);
void setNumAlerts(u_int32_t num) { num_alerts_detected = num; };
virtual void inlineSetOS(const char * const _os) {};
void inlineSetSSDPLocation(const char * const url);
void inlineSetMDNSInfo(char * const s);
};
#endif /* _HOST_H_ */
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