319 lines
10 KiB
C
319 lines
10 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
|
|
|
|
/***
|
|
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/>.
|
|
***/
|
|
|
|
#pragma once
|
|
|
|
#include <arpa/inet.h>
|
|
#include <linux/rtnetlink.h>
|
|
|
|
#include "sd-event.h"
|
|
#include "sd-rtnl.h"
|
|
#include "sd-dhcp-client.h"
|
|
#include "udev.h"
|
|
|
|
#include "rtnl-util.h"
|
|
#include "hashmap.h"
|
|
#include "list.h"
|
|
|
|
typedef struct Bridge Bridge;
|
|
typedef struct Network Network;
|
|
typedef struct Link Link;
|
|
typedef struct Address Address;
|
|
typedef struct Route Route;
|
|
typedef struct Manager Manager;
|
|
|
|
typedef struct bridge_join_callback bridge_join_callback;
|
|
|
|
struct bridge_join_callback {
|
|
sd_rtnl_message_handler_t callback;
|
|
Link *link;
|
|
|
|
LIST_FIELDS(bridge_join_callback, callbacks);
|
|
};
|
|
|
|
typedef enum BridgeState {
|
|
BRIDGE_STATE_FAILED,
|
|
BRIDGE_STATE_CREATING,
|
|
BRIDGE_STATE_CREATED,
|
|
BRIDGE_STATE_READY,
|
|
_BRIDGE_STATE_MAX,
|
|
_BRIDGE_STATE_INVALID = -1,
|
|
} BridgeState;
|
|
|
|
struct Bridge {
|
|
Manager *manager;
|
|
|
|
char *filename;
|
|
|
|
char *description;
|
|
char *name;
|
|
|
|
Link *link;
|
|
BridgeState state;
|
|
|
|
LIST_HEAD(bridge_join_callback, callbacks);
|
|
};
|
|
|
|
struct Network {
|
|
Manager *manager;
|
|
|
|
char *filename;
|
|
|
|
struct ether_addr *match_mac;
|
|
char *match_path;
|
|
char *match_driver;
|
|
char *match_type;
|
|
char *match_name;
|
|
|
|
char *description;
|
|
Bridge *bridge;
|
|
bool dhcp;
|
|
|
|
LIST_HEAD(Address, static_addresses);
|
|
LIST_HEAD(Route, static_routes);
|
|
|
|
Hashmap *addresses_by_section;
|
|
Hashmap *routes_by_section;
|
|
|
|
LIST_FIELDS(Network, networks);
|
|
};
|
|
|
|
struct Address {
|
|
Network *network;
|
|
uint64_t section;
|
|
|
|
unsigned char family;
|
|
unsigned char prefixlen;
|
|
char *label;
|
|
|
|
struct in_addr netmask;
|
|
|
|
union {
|
|
struct in_addr in;
|
|
struct in6_addr in6;
|
|
} in_addr;
|
|
|
|
LIST_FIELDS(Address, static_addresses);
|
|
};
|
|
|
|
struct Route {
|
|
Network *network;
|
|
uint64_t section;
|
|
|
|
unsigned char family;
|
|
unsigned char dst_family;
|
|
unsigned char dst_prefixlen;
|
|
|
|
union {
|
|
struct in_addr in;
|
|
struct in6_addr in6;
|
|
} in_addr;
|
|
|
|
union {
|
|
struct in_addr in;
|
|
struct in6_addr in6;
|
|
} dst_addr;
|
|
|
|
LIST_FIELDS(Route, static_routes);
|
|
};
|
|
|
|
typedef enum LinkState {
|
|
LINK_STATE_JOINING_BRIDGE,
|
|
LINK_STATE_SETTING_ADDRESSES,
|
|
LINK_STATE_SETTING_ROUTES,
|
|
LINK_STATE_CONFIGURED,
|
|
LINK_STATE_FAILED,
|
|
_LINK_STATE_MAX,
|
|
_LINK_STATE_INVALID = -1
|
|
} LinkState;
|
|
|
|
struct Link {
|
|
Manager *manager;
|
|
|
|
uint64_t ifindex;
|
|
char *ifname;
|
|
struct ether_addr mac;
|
|
|
|
unsigned flags;
|
|
|
|
Network *network;
|
|
|
|
Route *dhcp_route;
|
|
Address *dhcp_address;
|
|
|
|
LinkState state;
|
|
|
|
unsigned addr_messages;
|
|
unsigned route_messages;
|
|
|
|
sd_dhcp_client *dhcp;
|
|
};
|
|
|
|
struct Manager {
|
|
sd_rtnl *rtnl;
|
|
sd_event *event;
|
|
struct udev *udev;
|
|
struct udev_monitor *udev_monitor;
|
|
sd_event_source *udev_event_source;
|
|
|
|
Hashmap *links;
|
|
Hashmap *bridges;
|
|
LIST_HEAD(Network, networks);
|
|
|
|
usec_t network_dirs_ts_usec;
|
|
};
|
|
|
|
extern const char* const network_dirs[];
|
|
|
|
/* Manager */
|
|
|
|
int manager_new(Manager **ret);
|
|
void manager_free(Manager *m);
|
|
|
|
int manager_load_config(Manager *m);
|
|
bool manager_should_reload(Manager *m);
|
|
|
|
int manager_udev_enumerate_links(Manager *m);
|
|
int manager_udev_listen(Manager *m);
|
|
|
|
int manager_rtnl_listen(Manager *m);
|
|
|
|
DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
|
|
#define _cleanup_manager_free_ _cleanup_(manager_freep)
|
|
|
|
/* Bridge */
|
|
|
|
int bridge_load(Manager *manager);
|
|
|
|
void bridge_free(Bridge *bridge);
|
|
|
|
DEFINE_TRIVIAL_CLEANUP_FUNC(Bridge*, bridge_free);
|
|
#define _cleanup_bridge_free_ _cleanup_(bridge_freep)
|
|
|
|
int bridge_get(Manager *manager, const char *name, Bridge **ret);
|
|
int bridge_set_link(Manager *m, Link *link);
|
|
int bridge_join(Bridge *bridge, Link *link, sd_rtnl_message_handler_t cb);
|
|
|
|
/* Network */
|
|
|
|
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(Manager *manager, struct udev_device *device, Network **ret);
|
|
int network_apply(Manager *manager, Network *network, Link *link);
|
|
|
|
int config_parse_bridge(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);
|
|
|
|
/* gperf */
|
|
|
|
const struct ConfigPerfItem* network_gperf_lookup(const char *key, unsigned length);
|
|
|
|
/* Route */
|
|
int route_new_static(Network *network, unsigned section, Route **ret);
|
|
int route_new_dynamic(Route **ret);
|
|
void route_free(Route *route);
|
|
int route_configure(Route *route, Link *link, sd_rtnl_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);
|
|
|
|
/* Address */
|
|
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_rtnl_message_handler_t callback);
|
|
int address_drop(Address *address, Link *link, sd_rtnl_message_handler_t callback);
|
|
|
|
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_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);
|
|
|
|
/* Link */
|
|
|
|
int link_new(Manager *manager, struct udev_device *device, Link **ret);
|
|
void link_free(Link *link);
|
|
int link_add(Manager *manager, struct udev_device *device, Link **ret);
|
|
int link_configure(Link *link);
|
|
|
|
int link_update(Link *link, sd_rtnl_message *message);
|
|
|
|
DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
|
|
#define _cleanup_link_free_ _cleanup_(link_freep)
|
|
|
|
/* Macros which append INTERFACE= to the message */
|
|
|
|
#define log_full_link(level, link, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", link->ifname, "%s: " fmt, link->ifname, __VA_ARGS__)
|
|
#define log_debug_link(link, ...) log_full_link(LOG_DEBUG, link, __VA_ARGS__)
|
|
#define log_info_link(link, ...) log_full_link(LOG_INFO, link, __VA_ARGS__)
|
|
#define log_notice_link(link, ...) log_full_link(LOG_NOTICE, link, __VA_ARGS__)
|
|
#define log_warning_link(link, ...) log_full_link(LOG_WARNING, link, __VA_ARGS__)
|
|
#define log_error_link(link, ...) log_full_link(LOG_ERR, link, __VA_ARGS__)
|
|
|
|
#define log_link_full(level, link, message) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", link->ifname, "%s: " message, link->ifname)
|
|
#define log_link_debug(link, ...) log_link_full(LOG_DEBUG, link, __VA_ARGS__)
|
|
#define log_link_info(link, ...) log_link_full(LOG_INFO, link, __VA_ARGS__)
|
|
#define log_link_notice(link, ...) log_link_full(LOG_NOTICE, link, __VA_ARGS__)
|
|
#define log_link_warning(link, ...) log_link_full(LOG_WARNING, link, __VA_ARGS__)
|
|
#define log_link_error(link, ...) log_link_full(LOG_ERR, link, __VA_ARGS__)
|
|
|
|
#define log_struct_link(level, link, ...) log_struct(level, "INTERFACE=%s", link->ifname, __VA_ARGS__)
|
|
|
|
/* More macros which append INTERFACE= to the message */
|
|
|
|
#define log_full_bridge(level, bridge, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", bridge->name, "%s: " fmt, bridge->name, __VA_ARGS__)
|
|
#define log_debug_bridge(bridge, ...) log_full_bridge(LOG_DEBUG, bridge, __VA_ARGS__)
|
|
#define log_info_bridge(bridge, ...) log_full_bridge(LOG_INFO, bridge, __VA_ARGS__)
|
|
#define log_notice_bridge(bridge, ...) log_full_bridge(LOG_NOTICE, bridge, __VA_ARGS__)
|
|
#define log_warning_bridge(bridge, ...) log_full_bridge(LOG_WARNING, bridge, __VA_ARGS__)
|
|
#define log_error_bridge(bridge, ...) log_full_bridge(LOG_ERR, bridge, __VA_ARGS__)
|
|
|
|
#define log_bridge_full(level, bridge, message) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", bridge->name, "%s: " message, bridge->name)
|
|
#define log_bridge_debug(bridge, ...) log_bridge_full(LOG_DEBUG, bridge, __VA_ARGS__)
|
|
#define log_bridge_info(bridge, ...) log_bridge_full(LOG_INFO, bridge, __VA_ARGS__)
|
|
#define log_bridge_notice(bridge, ...) log_bridge_full(LOG_NOTICE, bridge, __VA_ARGS__)
|
|
#define log_bridge_warning(bridge, ...) log_bridge_full(LOG_WARNING, bridge, __VA_ARGS__)
|
|
#define log_bridge_error(bridge, ...) log_bridge_full(LOG_ERR, bridge, __VA_ARGS__)
|
|
|
|
#define log_struct_bridge(level, bridge, ...) log_struct(level, "INTERFACE=%s", bridge->name, __VA_ARGS__)
|
|
|
|
#define BRIDGE(bridge) "INTERFACE=%s", bridge->name
|