#pragma once

#include <arpa/inet.h>

#include "sd-event.h"

#include "sd-netlink.h"

#include "sd-bus.h"

#include "sd-dhcp-client.h"

#include "sd-dhcp-server.h"

#include "sd-ipv4ll.h"

#include "sd-icmp6-nd.h"

#include "sd-dhcp6-client.h"

#include "udev.h"

#include "sd-lldp.h"

#include "netlink-util.h"

#include "hashmap.h"

#include "list.h"

#include "set.h"

#include "condition.h"

#include "in-addr-util.h"

#define CACHE_INFO_INFINITY_LIFE_TIME 0xFFFFFFFFU

#define DHCP_ROUTE_METRIC 1024

#define IPV4LL_ROUTE_METRIC 2048

typedef struct NetDev NetDev;

typedef struct Network Network;

typedef struct Link Link;

typedef struct Address Address;

typedef struct Route Route;

typedef struct Manager Manager;

typedef struct AddressPool AddressPool;

typedef struct FdbEntry FdbEntry;

typedef enum AddressFamilyBoolean {

/* This is a bitmask, though it usually doesn't feel that way! */

ADDRESS_FAMILY_NO = 0,

ADDRESS_FAMILY_IPV4 = 1,

ADDRESS_FAMILY_IPV6 = 2,

ADDRESS_FAMILY_YES = 3,

_ADDRESS_FAMILY_BOOLEAN_MAX,

_ADDRESS_FAMILY_BOOLEAN_INVALID = -1,

} AddressFamilyBoolean;

typedef enum LLMNRSupport {

LLMNR_SUPPORT_NO,

LLMNR_SUPPORT_YES,

LLMNR_SUPPORT_RESOLVE,

_LLMNR_SUPPORT_MAX,

_LLMNR_SUPPORT_INVALID = -1,

} LLMNRSupport;

typedef enum LinkOperationalState {

LINK_OPERSTATE_OFF,

LINK_OPERSTATE_NO_CARRIER,

LINK_OPERSTATE_DORMANT,

LINK_OPERSTATE_CARRIER,

LINK_OPERSTATE_DEGRADED,

LINK_OPERSTATE_ROUTABLE,

_LINK_OPERSTATE_MAX,

_LINK_OPERSTATE_INVALID = -1

} LinkOperationalState;

typedef enum DCHPClientIdentifier {

DHCP_CLIENT_ID_MAC,

DHCP_CLIENT_ID_DUID,

_DHCP_CLIENT_ID_MAX,

_DHCP_CLIENT_ID_INVALID = -1,

} DCHPClientIdentifier;

typedef enum IPv6PrivacyExtensions {

/* The values map to the kernel's /proc/sys/net/ipv6/conf/xxx/use_tempaddr values */

IPV6_PRIVACY_EXTENSIONS_NO,

IPV6_PRIVACY_EXTENSIONS_PREFER_PUBLIC,

IPV6_PRIVACY_EXTENSIONS_YES, /* aka prefer-temporary */

_IPV6_PRIVACY_EXTENSIONS_MAX,

_IPV6_PRIVACY_EXTENSIONS_INVALID = -1,

} IPv6PrivacyExtensions;

struct FdbEntry {

Network *network;

unsigned section;

struct ether_addr *mac_addr;

uint16_t vlan_id;

LIST_FIELDS(FdbEntry, static_fdb_entries);

};

struct Network {

Manager *manager;

char *filename;

char *name;

struct ether_addr *match_mac;

char **match_path;

char **match_driver;

char **match_type;

char **match_name;

Condition *match_host;

Condition *match_virt;

Condition *match_kernel;

Condition *match_arch;

char *description;

NetDev *bridge;

NetDev *bond;

Hashmap *stacked_netdevs;

AddressFamilyBoolean dhcp;

DCHPClientIdentifier dhcp_client_identifier;

char *dhcp_vendor_class_identifier;

bool dhcp_dns;

bool dhcp_ntp;

bool dhcp_mtu;

bool dhcp_hostname;

bool dhcp_domains;

bool dhcp_sendhost;

bool dhcp_broadcast;

bool dhcp_critical;

bool dhcp_routes;

unsigned dhcp_route_metric;

AddressFamilyBoolean link_local;

bool ipv4ll_route;

union in_addr_union ipv6_token;

bool dhcp_server;

unsigned cost;

AddressFamilyBoolean ip_forward;

bool ip_masquerade;

IPv6PrivacyExtensions ipv6_privacy_extensions;

struct ether_addr *mac;

unsigned mtu;

bool lldp;

LIST_HEAD(Address, static_addresses);

LIST_HEAD(Route, static_routes);

LIST_HEAD(FdbEntry, static_fdb_entries);

Hashmap *addresses_by_section;

Hashmap *routes_by_section;

Hashmap *fdb_entries_by_section;

bool wildcard_domain;

char **domains, **dns, **ntp, **bind_carrier;

LLMNRSupport llmnr;

LIST_FIELDS(Network, networks);

};

struct Address {

Network *network;

unsigned section;

int family;

unsigned char prefixlen;

unsigned char scope;

uint32_t flags;

char *label;

struct in_addr broadcast;

struct ifa_cacheinfo cinfo;

union in_addr_union in_addr;

union in_addr_union in_addr_peer;

bool ip_masquerade_done;

LIST_FIELDS(Address, addresses);

};

struct Route {

Network *network;

unsigned section;

int family;

unsigned char dst_prefixlen;

unsigned char src_prefixlen;

unsigned char scope;

uint32_t metrics;

unsigned char protocol; /* RTPROT_* */

union in_addr_union in_addr;

union in_addr_union dst_addr;

union in_addr_union src_addr;

union in_addr_union prefsrc_addr;

LIST_FIELDS(Route, routes);

};

struct AddressPool {

Manager *manager;

int family;

unsigned prefixlen;

union in_addr_union in_addr;

LIST_FIELDS(AddressPool, address_pools);

};

struct Manager {

sd_netlink *rtnl;

sd_event *event;

sd_event_source *bus_retry_event_source;

sd_bus *bus;

sd_bus_slot *prepare_for_sleep_slot;

struct udev *udev;

struct udev_monitor *udev_monitor;

sd_event_source *udev_event_source;

bool enumerating;

char *state_file;

LinkOperationalState operational_state;

Hashmap *links;

Hashmap *netdevs;

Hashmap *networks_by_name;

LIST_HEAD(Network, networks);

LIST_HEAD(AddressPool, address_pools);

usec_t network_dirs_ts_usec;

};

extern const char* const network_dirs[];

extern const sd_bus_vtable manager_vtable[];

int manager_new(Manager **ret);

void manager_free(Manager *m);

int manager_connect_bus(Manager *m);

int manager_run(Manager *m);

int manager_load_config(Manager *m);

bool manager_should_reload(Manager *m);

int manager_rtnl_enumerate_links(Manager *m);

int manager_rtnl_enumerate_addresses(Manager *m);

int manager_send_changed(Manager *m, const char *property, ...) _sentinel_;

int manager_save(Manager *m);

int manager_address_pool_acquire(Manager *m, int family, unsigned prefixlen, union in_addr_union *found);

DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);

#define _cleanup_manager_free_ _cleanup_(manager_freep)

int network_load(Manager *manager);

void network_free(Network *network);

DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free);

#define _cleanup_network_free_ _cleanup_(network_freep)

int network_get_by_name(Manager *manager, const char *name, Network **ret);

int network_get(Manager *manager, struct udev_device *device,

const char *ifname, const struct ether_addr *mac,

Network **ret);

int network_apply(Manager *manager, Network *network, Link *link);

int config_parse_netdev(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int config_parse_domains(const char *unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata);

int config_parse_tunnel(const char *unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata);

int config_parse_tunnel_address(const char *unit,

const char *filename,

unsigned line,

const char *section,

unsigned section_line,

const char *lvalue,

int ltype,

const char *rvalue,

void *data,

void *userdata);

extern const sd_bus_vtable network_vtable[];

int network_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error);

int network_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);

const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, unsigned length);

int route_new_static(Network *network, unsigned section, Route **ret);

int route_new_dynamic(Route **ret, unsigned char rtm_protocol);

void route_free(Route *route);

int route_configure(Route *route, Link *link, sd_netlink_message_handler_t callback);

int route_drop(Route *route, Link *link, sd_netlink_message_handler_t callback);

DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free);

#define _cleanup_route_free_ _cleanup_(route_freep)

int config_parse_gateway(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int config_parse_destination(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int config_parse_route_priority(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int config_parse_route_scope(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int address_new_static(Network *network, unsigned section, Address **ret);

int address_new_dynamic(Address **ret);

void address_free(Address *address);

int address_configure(Address *address, Link *link, sd_netlink_message_handler_t callback);

int address_update(Address *address, Link *link, sd_netlink_message_handler_t callback);

int address_drop(Address *address, Link *link, sd_netlink_message_handler_t callback);

int address_establish(Address *address, Link *link);

int address_release(Address *address, Link *link);

bool address_equal(Address *a1, Address *a2);

DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);

#define _cleanup_address_free_ _cleanup_(address_freep)

int config_parse_address(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int config_parse_broadcast(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int config_parse_label(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int fdb_entry_configure(Link *const link, FdbEntry *const fdb_entry);

void fdb_entry_free(FdbEntry *fdb_entry);

int fdb_entry_new_static(Network *const network, const unsigned section, FdbEntry **ret);

DEFINE_TRIVIAL_CLEANUP_FUNC(FdbEntry*, fdb_entry_free);

#define _cleanup_fdbentry_free_ _cleanup_(fdb_entry_freep)

int config_parse_fdb_hwaddr(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int config_parse_fdb_vlan_id(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int config_parse_dhcp(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int config_parse_dhcp_client_identifier(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int config_parse_ipv4ll(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int config_parse_ipv6token(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

const char* llmnr_support_to_string(LLMNRSupport i) _const_;

LLMNRSupport llmnr_support_from_string(const char *s) _pure_;

int config_parse_llmnr(const char *unit, const char *filename, unsigned line,

const char *section, unsigned section_line, const char *lvalue,

int ltype, const char *rvalue, void *data, void *userdata);

int address_pool_new(Manager *m, AddressPool **ret, int family, const union in_addr_union *u, unsigned prefixlen);

int address_pool_new_from_string(Manager *m, AddressPool **ret, int family, const char *p, unsigned prefixlen);

void address_pool_free(AddressPool *p);

int address_pool_acquire(AddressPool *p, unsigned prefixlen, union in_addr_union *found);

const char *address_family_boolean_to_string(AddressFamilyBoolean b) _const_;

AddressFamilyBoolean address_family_boolean_from_string(const char *s) _const_;

int config_parse_address_family_boolean(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);

int config_parse_address_family_boolean_with_kernel(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);

const char* link_operstate_to_string(LinkOperationalState s) _const_;

LinkOperationalState link_operstate_from_string(const char *s) _pure_;

const char* ipv6_privacy_extensions_to_string(IPv6PrivacyExtensions i) _const_;

IPv6PrivacyExtensions ipv6_privacy_extensions_from_string(const char *s) _pure_;

int config_parse_ipv6_privacy_extensions(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);