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// SPDX-License-Identifier: GPL-2.0+
/*
* 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 quit or stopped */
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_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_DHCP_CLIENT_FLAGS_INFO_ONLY = (1LL << 0),
NM_DHCP_CLIENT_FLAGS_USE_FQDN = (1LL << 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);
gboolean nm_dhcp_client_get_info_only (NMDhcpClient *self);
gboolean nm_dhcp_client_get_use_fqdn (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_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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