fastnetmon-ng/src/fastnetmon_types.h

262 lines
7.5 KiB
C++

#ifndef FASTNETMON_TYPES_H
#define FASTNETMON_TYPES_H
#include <netinet/in.h> // struct in6_addr
#include <stdint.h> // uint32_t
#include <sys/time.h> // struct timeval
#include <utility> // std::pair
#include <map>
#include <string>
#include <vector>
#include "packet_storage.h"
#include "fastnetmon_simple_packet.h"
#include "map_element.hpp"
typedef std::map<std::string, std::string> configuration_map_t;
typedef std::map<std::string, uint64_t> graphite_data_t;
// Enum with available sort by field
enum sort_type { PACKETS, BYTES, FLOWS };
/* Class for custom comparison fields by different fields */
template <typename T> class TrafficComparatorClass {
private:
sort_type sort_field;
direction_t sort_direction;
public:
TrafficComparatorClass(direction_t sort_direction, sort_type sort_field) {
this->sort_field = sort_field;
this->sort_direction = sort_direction;
}
bool operator()(T a, T b) {
if (sort_field == FLOWS) {
if (sort_direction == INCOMING) {
return a.second.in_flows > b.second.in_flows;
} else if (sort_direction == OUTGOING) {
return a.second.out_flows > b.second.out_flows;
} else {
return false;
}
} else if (sort_field == PACKETS) {
if (sort_direction == INCOMING) {
return a.second.in_packets > b.second.in_packets;
} else if (sort_direction == OUTGOING) {
return a.second.out_packets > b.second.out_packets;
} else {
return false;
}
} else if (sort_field == BYTES) {
if (sort_direction == INCOMING) {
return a.second.in_bytes > b.second.in_bytes;
} else if (sort_direction == OUTGOING) {
return a.second.out_bytes > b.second.out_bytes;
} else {
return false;
}
} else {
return false;
}
}
};
class logging_configuration_t {
public:
logging_configuration_t()
: filesystem_logging(true), local_syslog_logging(false), remote_syslog_logging(false),
remote_syslog_port(0) {
}
bool filesystem_logging;
std::string filesystem_logging_path;
bool local_syslog_logging;
bool remote_syslog_logging;
std::string remote_syslog_server;
unsigned int remote_syslog_port;
};
typedef std::pair<uint32_t, uint32_t> subnet_t;
typedef std::vector<subnet_t> subnet_vector_t;
typedef std::map<subnet_t, std::string> subnet_to_host_group_map_t;
typedef std::map<std::string, subnet_vector_t> host_group_map_t;
typedef void (*process_packet_pointer)(simple_packet_t&);
// Attack types
enum attack_type_t {
ATTACK_UNKNOWN = 1,
ATTACK_SYN_FLOOD = 2,
ATTACK_ICMP_FLOOD = 3,
ATTACK_UDP_FLOOD = 4,
ATTACK_IP_FRAGMENTATION_FLOOD = 5,
};
// Amplification types
enum amplification_attack_type_t {
AMPLIFICATION_ATTACK_UNKNOWN = 1,
AMPLIFICATION_ATTACK_DNS = 2,
AMPLIFICATION_ATTACK_NTP = 3,
AMPLIFICATION_ATTACK_SSDP = 4,
AMPLIFICATION_ATTACK_SNMP = 5,
AMPLIFICATION_ATTACK_CHARGEN = 6,
};
class total_counter_element_t {
public:
uint64_t bytes;
uint64_t packets;
uint64_t flows;
void zeroify() {
bytes = 0;
packets = 0;
flows = 0;
}
};
// structure with attack details
class attack_details : public map_element_t {
public:
attack_details()
: attack_protocol(0), attack_power(0), max_attack_power(0), average_in_bytes(0),
average_out_bytes(0), average_in_packets(0), average_out_packets(0), average_in_flows(0),
average_out_flows(0), ban_time(0), attack_direction(OTHER), unban_enabled(true) {
customer_network.first = 0;
customer_network.second = 0;
}
direction_t attack_direction;
// first attackpower detected
uint64_t attack_power;
// max attack power
uint64_t max_attack_power;
unsigned int attack_protocol;
// Average counters
uint64_t average_in_bytes;
uint64_t average_out_bytes;
uint64_t average_in_packets;
uint64_t average_out_packets;
uint64_t average_in_flows;
uint64_t average_out_flows;
// time when we but this user
time_t ban_timestamp;
bool unban_enabled;
int ban_time; // seconds of the ban
subnet_t customer_network;
packet_storage_t pcap_attack_dump;
};
typedef attack_details banlist_item;
// struct for save per direction and per protocol details for flow
typedef struct {
uint64_t bytes;
uint64_t packets;
// will be used for Garbage Collection
time_t last_update_time;
} conntrack_key_struct;
typedef uint64_t packed_session;
// Main mega structure for storing conntracks
// We should use class instead struct for correct std::map allocation
typedef std::map<packed_session, conntrack_key_struct> contrack_map_type;
class conntrack_main_struct {
public:
contrack_map_type in_tcp;
contrack_map_type in_udp;
contrack_map_type in_icmp;
contrack_map_type in_other;
contrack_map_type out_tcp;
contrack_map_type out_udp;
contrack_map_type out_icmp;
contrack_map_type out_other;
};
typedef std::map<uint32_t, map_element_t> map_for_counters;
typedef std::vector<map_element_t> vector_of_counters;
typedef std::map<subnet_t, vector_of_counters> map_of_vector_counters;
// Flow tracking structures
typedef std::vector<conntrack_main_struct> vector_of_flow_counters;
typedef std::map<subnet_t, vector_of_flow_counters> map_of_vector_counters_for_flow;
typedef map_element_t subnet_counter_t;
typedef std::pair<subnet_t, subnet_counter_t> pair_of_map_for_subnet_counters_elements_t;
typedef std::map<subnet_t, subnet_counter_t> map_for_subnet_counters;
class packed_conntrack_hash {
public:
packed_conntrack_hash() : opposite_ip(0), src_port(0), dst_port(0) {
}
// src or dst IP
uint32_t opposite_ip;
uint16_t src_port;
uint16_t dst_port;
};
// This class consists of all configuration of global or per subnet ban thresholds
class ban_settings_t {
public:
ban_settings_t()
: enable_ban(false), enable_ban_for_pps(false), enable_ban_for_bandwidth(false),
enable_ban_for_flows_per_second(false), enable_ban_for_tcp_pps(false),
enable_ban_for_tcp_bandwidth(false), enable_ban_for_udp_pps(false),
enable_ban_for_udp_bandwidth(false), enable_ban_for_icmp_pps(false),
enable_ban_for_icmp_bandwidth(false), ban_threshold_tcp_mbps(0), ban_threshold_tcp_pps(0),
ban_threshold_udp_mbps(0), ban_threshold_udp_pps(0), ban_threshold_icmp_mbps(0),
ban_threshold_icmp_pps(0), ban_threshold_mbps(0), ban_threshold_flows(0), ban_threshold_pps(0) {
}
bool enable_ban;
bool enable_ban_for_pps;
bool enable_ban_for_bandwidth;
bool enable_ban_for_flows_per_second;
bool enable_ban_for_tcp_pps;
bool enable_ban_for_tcp_bandwidth;
bool enable_ban_for_udp_pps;
bool enable_ban_for_udp_bandwidth;
bool enable_ban_for_icmp_pps;
bool enable_ban_for_icmp_bandwidth;
unsigned int ban_threshold_tcp_mbps;
unsigned int ban_threshold_tcp_pps;
unsigned int ban_threshold_udp_mbps;
unsigned int ban_threshold_udp_pps;
unsigned int ban_threshold_icmp_mbps;
unsigned int ban_threshold_icmp_pps;
unsigned int ban_threshold_mbps;
unsigned int ban_threshold_flows;
unsigned int ban_threshold_pps;
};
typedef std::map<std::string, ban_settings_t> host_group_ban_settings_map_t;
// data structure for storing data in Vector
typedef std::pair<uint32_t, map_element_t> pair_of_map_elements;
#endif