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#pragma once
/***
This file is part of systemd.
Copyright 2013 Tom Gundersen <teg@jklm.no>
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 <http://www.gnu.org/licenses/>.
***/
#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-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
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;
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;
/* 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;
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;
union in_addr_union ipv6_token;
IPv6PrivacyExtensions ipv6_privacy_extensions;
struct ether_addr *mac;
unsigned mtu;
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);
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(Manager *manager, 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_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);
/* 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_;
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