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