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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2005 - 2010 Red Hat, Inc.
*/
#ifndef __NETWORKMANAGER_DHCP_CLIENT_H__
#define __NETWORKMANAGER_DHCP_CLIENT_H__
#include "nm-setting-ip4-config.h"
#include "nm-setting-ip6-config.h"
#include "nm-ip4-config.h"
#include "nm-ip6-config.h"
#include "nm-dhcp-utils.h"
#define NM_DHCP_TIMEOUT_DEFAULT ((guint32) 45) /* default DHCP timeout, in seconds */
#define NM_DHCP_TIMEOUT_INFINITY ((guint32) G_MAXINT32)
#define NM_TYPE_DHCP_CLIENT (nm_dhcp_client_get_type())
#define NM_DHCP_CLIENT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_DHCP_CLIENT, NMDhcpClient))
#define NM_DHCP_CLIENT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), NM_TYPE_DHCP_CLIENT, NMDhcpClientClass))
#define NM_IS_DHCP_CLIENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), NM_TYPE_DHCP_CLIENT))
#define NM_IS_DHCP_CLIENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), NM_TYPE_DHCP_CLIENT))
#define NM_DHCP_CLIENT_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), NM_TYPE_DHCP_CLIENT, NMDhcpClientClass))
#define NM_DHCP_CLIENT_ADDR_FAMILY "addr-family"
#define NM_DHCP_CLIENT_FLAGS "flags"
#define NM_DHCP_CLIENT_HWADDR "hwaddr"
#define NM_DHCP_CLIENT_BROADCAST_HWADDR "broadcast-hwaddr"
#define NM_DHCP_CLIENT_IFINDEX "ifindex"
#define NM_DHCP_CLIENT_INTERFACE "iface"
#define NM_DHCP_CLIENT_MULTI_IDX "multi-idx"
#define NM_DHCP_CLIENT_HOSTNAME "hostname"
#define NM_DHCP_CLIENT_MUD_URL "mud-url"
#define NM_DHCP_CLIENT_ROUTE_METRIC "route-metric"
#define NM_DHCP_CLIENT_ROUTE_TABLE "route-table"
#define NM_DHCP_CLIENT_TIMEOUT "timeout"
#define NM_DHCP_CLIENT_UUID "uuid"
#define NM_DHCP_CLIENT_IAID "iaid"
#define NM_DHCP_CLIENT_IAID_EXPLICIT "iaid-explicit"
#define NM_DHCP_CLIENT_HOSTNAME_FLAGS "hostname-flags"
#define NM_DHCP_CLIENT_VENDOR_CLASS_IDENTIFIER "vendor-class-identifier"
#define NM_DHCP_CLIENT_REJECT_SERVERS "reject-servers"
#define NM_DHCP_CLIENT_SIGNAL_STATE_CHANGED "state-changed"
#define NM_DHCP_CLIENT_SIGNAL_PREFIX_DELEGATED "prefix-delegated"
typedef enum {
NM_DHCP_STATE_UNKNOWN = 0,
NM_DHCP_STATE_BOUND, /* new lease */
NM_DHCP_STATE_EXTENDED, /* lease extended */
NM_DHCP_STATE_TIMEOUT, /* timed out contacting server */
NM_DHCP_STATE_DONE, /* client reported it's stopping */
NM_DHCP_STATE_EXPIRE, /* lease expired or NAKed */
NM_DHCP_STATE_FAIL, /* failed for some reason */
NM_DHCP_STATE_TERMINATED, /* client is no longer running */
NM_DHCP_STATE_NOOP, /* state is a non operation for NetworkManager */
__NM_DHCP_STATE_MAX,
NM_DHCP_STATE_MAX = __NM_DHCP_STATE_MAX - 1,
} NMDhcpState;
struct _NMDhcpClientPrivate;
typedef struct {
GObject parent;
struct _NMDhcpClientPrivate *_priv;
CList dhcp_client_lst;
} NMDhcpClient;
typedef enum _nm_packed {
NM_DHCP_CLIENT_FLAGS_NONE = 0,
NM_DHCP_CLIENT_FLAGS_INFO_ONLY = (1LL << 0),
NM_DHCP_CLIENT_FLAGS_USE_FQDN = (1LL << 1),
_NM_DHCP_CLIENT_FLAGS_LAST,
NM_DHCP_CLIENT_FLAGS_ALL = ((_NM_DHCP_CLIENT_FLAGS_LAST - 1) << 1) - 1,
} NMDhcpClientFlags;
typedef struct {
GObjectClass parent;
gboolean (*ip4_start)(NMDhcpClient *self,
const char * anycast_addr,
const char * last_ip4_address,
GError ** error);
gboolean (*accept)(NMDhcpClient *self, GError **error);
gboolean (*decline)(NMDhcpClient *self, const char *error_message, GError **error);
gboolean (*ip6_start)(NMDhcpClient * self,
const char * anycast_addr,
const struct in6_addr * ll_addr,
NMSettingIP6ConfigPrivacy privacy,
guint needed_prefixes,
GError ** error);
void (*stop)(NMDhcpClient *self, gboolean release);
/**
* get_duid:
* @self: the #NMDhcpClient
*
* Attempts to find an existing DHCPv6 DUID for this client in the DHCP
* client's persistent configuration. Returned DUID should be the binary
* representation of the DUID. If no DUID is found, %NULL should be
* returned.
*/
GBytes *(*get_duid)(NMDhcpClient *self);
} NMDhcpClientClass;
GType nm_dhcp_client_get_type(void);
struct _NMDedupMultiIndex *nm_dhcp_client_get_multi_idx(NMDhcpClient *self);
pid_t nm_dhcp_client_get_pid(NMDhcpClient *self);
int nm_dhcp_client_get_addr_family(NMDhcpClient *self);
const char *nm_dhcp_client_get_iface(NMDhcpClient *self);
int nm_dhcp_client_get_ifindex(NMDhcpClient *self);
const char *nm_dhcp_client_get_uuid(NMDhcpClient *self);
GBytes *nm_dhcp_client_get_duid(NMDhcpClient *self);
GBytes *nm_dhcp_client_get_hw_addr(NMDhcpClient *self);
GBytes *nm_dhcp_client_get_broadcast_hw_addr(NMDhcpClient *self);
guint32 nm_dhcp_client_get_route_table(NMDhcpClient *self);
void nm_dhcp_client_set_route_table(NMDhcpClient *self, guint32 route_table);
guint32 nm_dhcp_client_get_route_metric(NMDhcpClient *self);
void nm_dhcp_client_set_route_metric(NMDhcpClient *self, guint32 route_metric);
guint32 nm_dhcp_client_get_timeout(NMDhcpClient *self);
guint32 nm_dhcp_client_get_iaid(NMDhcpClient *self);
gboolean nm_dhcp_client_get_iaid_explicit(NMDhcpClient *self);
GBytes *nm_dhcp_client_get_client_id(NMDhcpClient *self);
const char * nm_dhcp_client_get_hostname(NMDhcpClient *self);
const char * nm_dhcp_client_get_mud_url(NMDhcpClient *self);
const char *const *nm_dhcp_client_get_reject_servers(NMDhcpClient *self);
NMDhcpHostnameFlags nm_dhcp_client_get_hostname_flags(NMDhcpClient *self);
NMDhcpClientFlags nm_dhcp_client_get_client_flags(NMDhcpClient *self);
GBytes *nm_dhcp_client_get_vendor_class_identifier(NMDhcpClient *self);
gboolean nm_dhcp_client_start_ip4(NMDhcpClient *self,
GBytes * client_id,
const char * dhcp_anycast_addr,
const char * last_ip4_address,
GError ** error);
gboolean nm_dhcp_client_start_ip6(NMDhcpClient * self,
GBytes * client_id,
gboolean enforce_duid,
const char * dhcp_anycast_addr,
const struct in6_addr * ll_addr,
NMSettingIP6ConfigPrivacy privacy,
guint needed_prefixes,
GError ** error);
gboolean nm_dhcp_client_accept(NMDhcpClient *self, GError **error);
gboolean nm_dhcp_client_decline(NMDhcpClient *self, const char *error_message, GError **error);
void nm_dhcp_client_stop(NMDhcpClient *self, gboolean release);
/* Backend helpers for subclasses */
void nm_dhcp_client_stop_existing(const char *pid_file, const char *binary_name);
void nm_dhcp_client_stop_pid(pid_t pid, const char *iface);
void nm_dhcp_client_start_timeout(NMDhcpClient *self);
void nm_dhcp_client_watch_child(NMDhcpClient *self, pid_t pid);
void nm_dhcp_client_stop_watch_child(NMDhcpClient *self, pid_t pid);
void nm_dhcp_client_set_state(NMDhcpClient *self,
NMDhcpState new_state,
NMIPConfig * ip_config,
GHashTable * options); /* str:str hash */
gboolean nm_dhcp_client_handle_event(gpointer unused,
const char * iface,
int pid,
GVariant * options,
const char * reason,
NMDhcpClient *self);
void nm_dhcp_client_set_client_id(NMDhcpClient *self, GBytes *client_id);
void nm_dhcp_client_set_client_id_bin(NMDhcpClient *self,
guint8 type,
const guint8 *client_id,
gsize len);
void nm_dhcp_client_emit_ipv6_prefix_delegated(NMDhcpClient * self,
const NMPlatformIP6Address *prefix);
gboolean nm_dhcp_client_server_id_is_rejected(NMDhcpClient *self, gconstpointer addr);
/*****************************************************************************
* Client data
*****************************************************************************/
typedef struct {
GType (*get_type)(void);
GType (*get_type_per_addr_family)(int addr_family);
const char *name;
const char *(*get_path)(void);
bool experimental : 1;
} NMDhcpClientFactory;
GType nm_dhcp_nettools_get_type(void);
extern const NMDhcpClientFactory _nm_dhcp_client_factory_dhcpcanon;
extern const NMDhcpClientFactory _nm_dhcp_client_factory_dhclient;
extern const NMDhcpClientFactory _nm_dhcp_client_factory_dhcpcd;
extern const NMDhcpClientFactory _nm_dhcp_client_factory_internal;
extern const NMDhcpClientFactory _nm_dhcp_client_factory_systemd;
extern const NMDhcpClientFactory _nm_dhcp_client_factory_nettools;
#endif /* __NETWORKMANAGER_DHCP_CLIENT_H__ */
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