/* SPDX-License-Identifier: LGPL-2.1-or-later */ #pragma once #include #include "sd-bus.h" #include "sd-device.h" #include "bridge.h" #include "condition.h" #include "conf-parser.h" #include "hashmap.h" #include "net-condition.h" #include "netdev.h" #include "networkd-brvlan.h" #include "networkd-dhcp-common.h" #include "networkd-dhcp4.h" #include "networkd-dhcp6.h" #include "networkd-dhcp-server.h" #include "networkd-lldp-rx.h" #include "networkd-lldp-tx.h" #include "networkd-ndisc.h" #include "networkd-radv.h" #include "networkd-sysctl.h" #include "networkd-util.h" #include "ordered-set.h" #include "resolve-util.h" #include "socket-netlink.h" typedef enum KeepConfiguration { KEEP_CONFIGURATION_NO = 0, KEEP_CONFIGURATION_DHCP_ON_START = 1 << 0, KEEP_CONFIGURATION_DHCP_ON_STOP = 1 << 1, KEEP_CONFIGURATION_DHCP = KEEP_CONFIGURATION_DHCP_ON_START | KEEP_CONFIGURATION_DHCP_ON_STOP, KEEP_CONFIGURATION_STATIC = 1 << 2, KEEP_CONFIGURATION_YES = KEEP_CONFIGURATION_DHCP | KEEP_CONFIGURATION_STATIC, _KEEP_CONFIGURATION_MAX, _KEEP_CONFIGURATION_INVALID = -EINVAL, } KeepConfiguration; typedef enum IPv6LinkLocalAddressGenMode { IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_EUI64 = IN6_ADDR_GEN_MODE_EUI64, IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_NONE = IN6_ADDR_GEN_MODE_NONE, IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_STABLE_PRIVACY = IN6_ADDR_GEN_MODE_STABLE_PRIVACY, IPV6_LINK_LOCAL_ADDRESSS_GEN_MODE_RANDOM = IN6_ADDR_GEN_MODE_RANDOM, _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_MAX, _IPV6_LINK_LOCAL_ADDRESS_GEN_MODE_INVALID = -EINVAL, } IPv6LinkLocalAddressGenMode; typedef enum ActivationPolicy { ACTIVATION_POLICY_UP, ACTIVATION_POLICY_ALWAYS_UP, ACTIVATION_POLICY_MANUAL, ACTIVATION_POLICY_ALWAYS_DOWN, ACTIVATION_POLICY_DOWN, ACTIVATION_POLICY_BOUND, _ACTIVATION_POLICY_MAX, _ACTIVATION_POLICY_INVALID = -EINVAL, } ActivationPolicy; typedef struct Manager Manager; typedef struct NetworkDHCPServerEmitAddress { bool emit; struct in_addr *addresses; size_t n_addresses; } NetworkDHCPServerEmitAddress; struct Network { Manager *manager; unsigned n_ref; char *name; char *filename; usec_t timestamp; char *description; /* [Match] section */ NetMatch match; LIST_HEAD(Condition, conditions); /* Master or stacked netdevs */ NetDev *bridge; NetDev *bond; NetDev *vrf; NetDev *xfrm; Hashmap *stacked_netdevs; char *bridge_name; char *bond_name; char *vrf_name; Hashmap *stacked_netdev_names; /* [Link] section */ struct ether_addr *mac; uint32_t mtu; uint32_t group; int arp; int multicast; int allmulticast; int promiscuous; bool unmanaged; bool required_for_online; /* Is this network required to be considered online? */ LinkOperationalStateRange required_operstate_for_online; ActivationPolicy activation_policy; /* misc settings */ bool configure_without_carrier; int ignore_carrier_loss; KeepConfiguration keep_configuration; char **bind_carrier; bool default_route_on_device; bool ip_masquerade; /* DHCP Client Support */ AddressFamily dhcp; DHCPClientIdentifier dhcp_client_identifier; DUID duid; uint32_t iaid; bool iaid_set; char *dhcp_vendor_class_identifier; char *dhcp_mudurl; char **dhcp_user_class; char *dhcp_hostname; uint64_t dhcp_max_attempts; uint32_t dhcp_route_metric; bool dhcp_route_metric_set; uint32_t dhcp_route_table; uint32_t dhcp_fallback_lease_lifetime; uint32_t dhcp_route_mtu; uint16_t dhcp_client_port; int dhcp_critical; int dhcp_ip_service_type; bool dhcp_anonymize; bool dhcp_send_hostname; bool dhcp_broadcast; bool dhcp_use_dns; bool dhcp_use_dns_set; bool dhcp_routes_to_dns; bool dhcp_use_ntp; bool dhcp_use_ntp_set; bool dhcp_use_sip; bool dhcp_use_mtu; bool dhcp_use_routes; int dhcp_use_gateway; bool dhcp_use_timezone; bool dhcp_use_hostname; bool dhcp_route_table_set; bool dhcp_send_release; bool dhcp_send_decline; DHCPUseDomains dhcp_use_domains; Set *dhcp_deny_listed_ip; Set *dhcp_allow_listed_ip; Set *dhcp_request_options; OrderedHashmap *dhcp_client_send_options; OrderedHashmap *dhcp_client_send_vendor_options; /* DHCPv6 Client support*/ bool dhcp6_use_address; bool dhcp6_use_dns; bool dhcp6_use_dns_set; bool dhcp6_use_fqdn; bool dhcp6_use_ntp; bool dhcp6_use_ntp_set; bool dhcp6_rapid_commit; uint8_t dhcp6_pd_length; uint32_t dhcp6_route_metric; bool dhcp6_route_metric_set; char *dhcp6_mudurl; char **dhcp6_user_class; char **dhcp6_vendor_class; struct in6_addr dhcp6_pd_address; DHCP6ClientStartMode dhcp6_without_ra; OrderedHashmap *dhcp6_client_send_options; OrderedHashmap *dhcp6_client_send_vendor_options; Set *dhcp6_request_options; /* Start DHCPv6 PD also when 'O' RA flag is set, see RFC 7084, WPD-4 */ bool dhcp6_force_pd_other_information; /* DHCP Server Support */ bool dhcp_server; NetworkDHCPServerEmitAddress dhcp_server_emit[_SD_DHCP_LEASE_SERVER_TYPE_MAX]; bool dhcp_server_emit_router; bool dhcp_server_emit_timezone; char *dhcp_server_timezone; usec_t dhcp_server_default_lease_time_usec, dhcp_server_max_lease_time_usec; uint32_t dhcp_server_pool_offset; uint32_t dhcp_server_pool_size; OrderedHashmap *dhcp_server_send_options; OrderedHashmap *dhcp_server_send_vendor_options; /* link local addressing support */ AddressFamily link_local; IPv6LinkLocalAddressGenMode ipv6ll_address_gen_mode; bool ipv4ll_route; /* IPv6 RA support */ RADVPrefixDelegation router_prefix_delegation; usec_t router_lifetime_usec; uint8_t router_preference; bool router_managed; bool router_other_information; bool router_emit_dns; bool router_emit_domains; usec_t router_dns_lifetime_usec; struct in6_addr *router_dns; unsigned n_router_dns; OrderedSet *router_search_domains; /* DHCPv6 Prefix Delegation support */ int dhcp6_pd; bool dhcp6_pd_announce; bool dhcp6_pd_assign; bool dhcp6_pd_manage_temporary_address; int64_t dhcp6_pd_subnet_id; union in_addr_union dhcp6_pd_token; /* Bridge Support */ int use_bpdu; int hairpin; int fast_leave; int allow_port_to_be_root; int unicast_flood; int multicast_flood; int multicast_to_unicast; int neighbor_suppression; int learning; int bridge_proxy_arp; int bridge_proxy_arp_wifi; uint32_t cost; uint16_t priority; MulticastRouter multicast_router; /* Bridge VLAN */ bool use_br_vlan; uint16_t pvid; uint32_t br_vid_bitmap[BRIDGE_VLAN_BITMAP_LEN]; uint32_t br_untagged_bitmap[BRIDGE_VLAN_BITMAP_LEN]; /* CAN support */ uint32_t can_bitrate; unsigned can_sample_point; uint32_t can_data_bitrate; unsigned can_data_sample_point; usec_t can_restart_us; int can_triple_sampling; int can_berr_reporting; int can_termination; int can_listen_only; int can_fd_mode; int can_non_iso; /* sysctl settings */ AddressFamily ip_forward; int ipv4_accept_local; int ipv6_dad_transmits; int ipv6_hop_limit; int proxy_arp; uint32_t ipv6_mtu; IPv6PrivacyExtensions ipv6_privacy_extensions; int ipv6_proxy_ndp; Set *ipv6_proxy_ndp_addresses; /* IPv6 accept RA */ int ipv6_accept_ra; bool ipv6_accept_ra_use_dns; bool ipv6_accept_ra_use_autonomous_prefix; bool ipv6_accept_ra_use_onlink_prefix; bool active_slave; bool primary_slave; bool ipv6_accept_ra_route_table_set; DHCPUseDomains ipv6_accept_ra_use_domains; IPv6AcceptRAStartDHCP6Client ipv6_accept_ra_start_dhcp6_client; uint32_t ipv6_accept_ra_route_table; Set *ndisc_deny_listed_router; Set *ndisc_allow_listed_router; Set *ndisc_deny_listed_prefix; Set *ndisc_allow_listed_prefix; Set *ndisc_deny_listed_route_prefix; Set *ndisc_allow_listed_route_prefix; OrderedSet *ipv6_tokens; /* LLDP support */ LLDPMode lldp_mode; /* LLDP reception */ LLDPEmit lldp_emit; /* LLDP transmission */ char *lldp_mud; /* LLDP MUD URL */ OrderedHashmap *addresses_by_section; Hashmap *routes_by_section; Hashmap *nexthops_by_section; Hashmap *fdb_entries_by_section; Hashmap *mdb_entries_by_section; Hashmap *neighbors_by_section; Hashmap *address_labels_by_section; Hashmap *prefixes_by_section; Hashmap *route_prefixes_by_section; Hashmap *rules_by_section; OrderedHashmap *tc_by_section; OrderedHashmap *sr_iov_by_section; /* All kinds of DNS configuration */ struct in_addr_full **dns; unsigned n_dns; OrderedSet *search_domains, *route_domains; int dns_default_route; ResolveSupport llmnr; ResolveSupport mdns; DnssecMode dnssec_mode; DnsOverTlsMode dns_over_tls_mode; Set *dnssec_negative_trust_anchors; /* NTP */ char **ntp; }; Network *network_ref(Network *network); Network *network_unref(Network *network); DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_unref); int network_load(Manager *manager, OrderedHashmap **networks); int network_reload(Manager *manager); int network_load_one(Manager *manager, OrderedHashmap **networks, const char *filename); int network_verify(Network *network); int network_get_by_name(Manager *manager, const char *name, Network **ret); int network_get(Manager *manager, unsigned short iftype, sd_device *device, const char *ifname, char * const *alternative_names, const char *driver, const struct ether_addr *mac, const struct ether_addr *permanent_mac, enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid, Network **ret); void network_apply_anonymize_if_set(Network *network); bool network_has_static_ipv6_configurations(Network *network); CONFIG_PARSER_PROTOTYPE(config_parse_stacked_netdev); CONFIG_PARSER_PROTOTYPE(config_parse_tunnel); CONFIG_PARSER_PROTOTYPE(config_parse_domains); CONFIG_PARSER_PROTOTYPE(config_parse_dns); CONFIG_PARSER_PROTOTYPE(config_parse_hostname); CONFIG_PARSER_PROTOTYPE(config_parse_timezone); CONFIG_PARSER_PROTOTYPE(config_parse_dnssec_negative_trust_anchors); CONFIG_PARSER_PROTOTYPE(config_parse_ntp); CONFIG_PARSER_PROTOTYPE(config_parse_required_for_online); CONFIG_PARSER_PROTOTYPE(config_parse_keep_configuration); CONFIG_PARSER_PROTOTYPE(config_parse_ipv6_link_local_address_gen_mode); CONFIG_PARSER_PROTOTYPE(config_parse_activation_policy); const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, GPERF_LEN_TYPE length); const char* keep_configuration_to_string(KeepConfiguration i) _const_; KeepConfiguration keep_configuration_from_string(const char *s) _pure_; const char* ipv6_link_local_address_gen_mode_to_string(IPv6LinkLocalAddressGenMode s) _const_; IPv6LinkLocalAddressGenMode ipv6_link_local_address_gen_mode_from_string(const char *s) _pure_; const char* activation_policy_to_string(ActivationPolicy i) _const_; ActivationPolicy activation_policy_from_string(const char *s) _pure_;