#pragma once /*** This file is part of systemd. Copyright 2013 Tom Gundersen systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ #include "sd-bus.h" #include "udev.h" #include "condition.h" #include "dhcp-identifier.h" #include "hashmap.h" #include "resolve-util.h" #include "networkd-address.h" #include "networkd-brvlan.h" #include "networkd-fdb.h" #include "networkd-lldp-tx.h" #include "networkd-netdev.h" #include "networkd-route.h" #include "networkd-util.h" #define DHCP_ROUTE_METRIC 1024 #define IPV4LL_ROUTE_METRIC 2048 #define BRIDGE_VLAN_BITMAP_MAX 4096 #define BRIDGE_VLAN_BITMAP_LEN (BRIDGE_VLAN_BITMAP_MAX / 32) 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; typedef enum DHCPUseDomains { DHCP_USE_DOMAINS_NO, DHCP_USE_DOMAINS_YES, DHCP_USE_DOMAINS_ROUTE, _DHCP_USE_DOMAINS_MAX, _DHCP_USE_DOMAINS_INVALID = -1, } DHCPUseDomains; typedef enum LLDPMode { LLDP_MODE_NO = 0, LLDP_MODE_YES = 1, LLDP_MODE_ROUTERS_ONLY = 2, _LLDP_MODE_MAX, _LLDP_MODE_INVALID = -1, } LLDPMode; typedef struct DUID { /* Value of Type in [DHCP] section */ DUIDType type; uint8_t raw_data_len; uint8_t raw_data[MAX_DUID_LEN]; } DUID; typedef struct Manager Manager; 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; NetDev *vrf; Hashmap *stacked_netdevs; /* DHCP Client Support */ AddressFamilyBoolean dhcp; DCHPClientIdentifier dhcp_client_identifier; char *dhcp_vendor_class_identifier; char *dhcp_hostname; bool dhcp_use_dns; bool dhcp_use_ntp; bool dhcp_use_mtu; bool dhcp_use_hostname; DHCPUseDomains dhcp_use_domains; bool dhcp_send_hostname; bool dhcp_broadcast; bool dhcp_critical; bool dhcp_use_routes; bool dhcp_use_timezone; unsigned dhcp_route_metric; uint32_t dhcp_route_table; uint32_t dhcp_client_port; /* DHCP Server Support */ bool dhcp_server; bool dhcp_server_emit_dns; struct in_addr *dhcp_server_dns; unsigned n_dhcp_server_dns; bool dhcp_server_emit_ntp; struct in_addr *dhcp_server_ntp; unsigned n_dhcp_server_ntp; 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; /* IPV4LL Support */ AddressFamilyBoolean link_local; bool ipv4ll_route; /* Bridge Support */ bool use_bpdu; bool hairpin; bool fast_leave; bool allow_port_to_be_root; bool unicast_flood; unsigned cost; 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]; AddressFamilyBoolean ip_forward; bool ip_masquerade; int ipv6_accept_ra; int ipv6_dad_transmits; int ipv6_hop_limit; int proxy_arp; bool ipv6_accept_ra_use_dns; DHCPUseDomains ipv6_accept_ra_use_domains; uint32_t ipv6_accept_ra_route_table; union in_addr_union ipv6_token; IPv6PrivacyExtensions ipv6_privacy_extensions; struct ether_addr *mac; unsigned mtu; int arp; uint32_t iaid; DUID duid; LLDPMode lldp_mode; /* LLDP reception */ LLDPEmit lldp_emit; /* LLDP transmission */ LIST_HEAD(Address, static_addresses); LIST_HEAD(Route, static_routes); LIST_HEAD(FdbEntry, static_fdb_entries); unsigned n_static_addresses; unsigned n_static_routes; unsigned n_static_fdb_entries; Hashmap *addresses_by_section; Hashmap *routes_by_section; Hashmap *fdb_entries_by_section; char **search_domains, **route_domains, **dns, **ntp, **bind_carrier; ResolveSupport llmnr; ResolveSupport mdns; DnssecMode dnssec_mode; Set *dnssec_negative_trust_anchors; LIST_FIELDS(Network, networks); }; void network_free(Network *network); DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free); #define _cleanup_network_free_ _cleanup_(network_freep) int network_load(Manager *manager); 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(Network *network, Link *link); bool network_has_static_ipv6_addresses(Network *network); 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_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_dns(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_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); 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); int config_parse_hostname(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_timezone(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_server_dns(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_server_ntp(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_dnssec_negative_trust_anchors(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_use_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_lldp_mode(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_route_table(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); /* Legacy IPv4LL support */ 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); const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, unsigned length); 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 char* ipv6_privacy_extensions_to_string(IPv6PrivacyExtensions i) _const_; IPv6PrivacyExtensions ipv6_privacy_extensions_from_string(const char *s) _pure_; const char* dhcp_use_domains_to_string(DHCPUseDomains p) _const_; DHCPUseDomains dhcp_use_domains_from_string(const char *s) _pure_; const char* lldp_mode_to_string(LLDPMode m) _const_; LLDPMode lldp_mode_from_string(const char *s) _pure_;