189 lines
7.8 KiB
C
189 lines
7.8 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/* NetworkManager -- Network link manager
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Copyright 2004 - 2014 Red Hat, Inc.
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* Copyright 2005 - 2008 Novell, Inc.
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*/
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#ifndef __NETWORKMANAGER_UTILS_H__
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#define __NETWORKMANAGER_UTILS_H__
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#include <glib.h>
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#include <stdio.h>
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#include <arpa/inet.h>
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#include "nm-connection.h"
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#include "nm-types.h"
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gboolean nm_ethernet_address_is_valid (gconstpointer addr, gssize len);
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in_addr_t nm_utils_ip4_address_clear_host_address (in_addr_t addr, guint8 plen);
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const struct in6_addr *nm_utils_ip6_address_clear_host_address (struct in6_addr *dst, const struct in6_addr *src, guint8 plen);
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/**
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* nm_utils_ip6_route_metric_normalize:
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* @metric: the route metric
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*
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* For IPv6 route, kernel treats the value 0 as IP6_RT_PRIO_USER (1024).
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* Thus, when comparing metric (values), we want to treat zero as NM_PLATFORM_ROUTE_METRIC_DEFAULT_IP6.
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*
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* Returns: @metric, if @metric is not zero, otherwise 1024.
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*/
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static inline guint32
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nm_utils_ip6_route_metric_normalize (guint32 metric)
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{
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return metric ? metric : 1024 /*NM_PLATFORM_ROUTE_METRIC_DEFAULT_IP6*/;
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}
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int nm_spawn_process (const char *args, GError **error);
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int nm_utils_modprobe (GError **error, const char *arg1, ...) G_GNUC_NULL_TERMINATED;
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/* check if @flags has exactly one flag (@check) set. You should call this
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* only with @check being a compile time constant and a power of two. */
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#define NM_FLAGS_HAS(flags, check) \
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( (G_STATIC_ASSERT_EXPR ( ((check) != 0) && ((check) & ((check)-1)) == 0 )), (NM_FLAGS_ANY ((flags), (check))) )
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#define NM_FLAGS_ANY(flags, check) ( ( ((flags) & (check)) != 0 ) ? TRUE : FALSE )
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#define NM_FLAGS_ALL(flags, check) ( ( ((flags) & (check)) == (check) ) ? TRUE : FALSE )
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/**
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* str_if_set:
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* @str: input string that will be returned if @str is not %NULL
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* @fallback: if @str is %NULL, return @fallback instead
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*
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* This utility function is useful when printing a string to avoid passing
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* %NULL. E.g. printf ("%s", str_if_set (get_string(), "(none)"));
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*
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* Returns: either @str or @fallback, depending on whether @str is %NULL.
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*/
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static inline const char *
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str_if_set (const char *str, const char *fallback)
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{
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return str ? str : fallback;
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}
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guint64 nm_utils_get_start_time_for_pid (pid_t pid);
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void nm_utils_kill_process_sync (pid_t pid, guint64 start_time, int sig, guint64 log_domain,
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const char *log_name, guint32 wait_before_kill_msec,
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guint32 sleep_duration_msec);
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typedef void (*NMUtilsKillChildAsyncCb) (pid_t pid, gboolean success, int child_status, void *user_data);
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void nm_utils_kill_child_async (pid_t pid, int sig, guint64 log_domain, const char *log_name,
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guint32 wait_before_kill_msec,
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NMUtilsKillChildAsyncCb callback, void *user_data);
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gboolean nm_utils_kill_child_sync (pid_t pid, int sig, guint64 log_domain, const char *log_name,
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int *child_status, guint32 wait_before_kill_msec,
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guint32 sleep_duration_msec);
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const char *nm_utils_find_helper (const char *progname,
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const char *try_first,
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GError **error);
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typedef enum {
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NM_MATCH_SPEC_NO_MATCH = 0,
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NM_MATCH_SPEC_MATCH = 1,
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NM_MATCH_SPEC_NEG_MATCH = 2,
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} NMMatchSpecMatchType;
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NMMatchSpecMatchType nm_match_spec_hwaddr (const GSList *specs, const char *hwaddr);
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NMMatchSpecMatchType nm_match_spec_s390_subchannels (const GSList *specs, const char *subchannels);
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NMMatchSpecMatchType nm_match_spec_interface_name (const GSList *specs, const char *interface_name);
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GSList *nm_match_spec_split (const char *value);
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const char *nm_utils_get_shared_wifi_permission (NMConnection *connection);
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const char *nm_utils_get_ip_config_method (NMConnection *connection,
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GType ip_setting_type);
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void nm_utils_complete_generic (NMConnection *connection,
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const char *ctype,
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const GSList *existing,
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const char *preferred_id,
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const char *fallback_id_prefix,
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const char *ifname_prefix,
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gboolean default_enable_ipv6);
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char *nm_utils_new_vlan_name (const char *parent_iface, guint32 vlan_id);
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GPtrArray *nm_utils_read_resolv_conf_nameservers (const char *rc_contents);
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typedef gboolean (NMUtilsMatchFilterFunc) (NMConnection *connection, gpointer user_data);
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NMConnection *nm_utils_match_connection (GSList *connections,
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NMConnection *original,
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gboolean device_has_carrier,
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NMUtilsMatchFilterFunc match_filter_func,
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gpointer match_filter_data);
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int nm_utils_cmp_connection_by_autoconnect_priority (NMConnection **a, NMConnection **b);
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void nm_utils_log_connection_diff (NMConnection *connection, NMConnection *diff_base, guint32 level, guint64 domain, const char *name, const char *prefix);
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#define NM_UTILS_NS_PER_SECOND ((gint64) 1000000000)
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gint64 nm_utils_get_monotonic_timestamp_ns (void);
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gint64 nm_utils_get_monotonic_timestamp_us (void);
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gint64 nm_utils_get_monotonic_timestamp_ms (void);
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gint32 nm_utils_get_monotonic_timestamp_s (void);
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const char *ASSERT_VALID_PATH_COMPONENT (const char *name) G_GNUC_WARN_UNUSED_RESULT;
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const char *nm_utils_ip6_property_path (const char *ifname, const char *property);
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const char *nm_utils_ip4_property_path (const char *ifname, const char *property);
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gboolean nm_utils_is_specific_hostname (const char *name);
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/* IPv6 Interface Identifer helpers */
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/**
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* NMUtilsIPv6IfaceId:
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* @id: convenience member for validity checking; never use directly
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* @id_u8: the 64-bit Interface Identifier
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*
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* Holds a 64-bit IPv6 Interface Identifier. The IID is a sequence of bytes
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* and should not normally be treated as a %guint64, but this is done for
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* convenience of validity checking and initialization.
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*/
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struct _NMUtilsIPv6IfaceId {
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union {
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guint64 id;
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guint8 id_u8[8];
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};
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};
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#define NM_UTILS_IPV6_IFACE_ID_INIT { .id = 0 }
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gboolean nm_utils_get_ipv6_interface_identifier (NMLinkType link_type,
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const guint8 *hwaddr,
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guint len,
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guint dev_id,
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NMUtilsIPv6IfaceId *out_iid);
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void nm_utils_ipv6_addr_set_interface_identfier (struct in6_addr *addr,
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const NMUtilsIPv6IfaceId iid);
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void nm_utils_ipv6_interface_identfier_get_from_addr (NMUtilsIPv6IfaceId *iid,
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const struct in6_addr *addr);
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GVariant *nm_utils_connection_hash_to_dict (GHashTable *hash);
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GHashTable *nm_utils_connection_dict_to_hash (GVariant *dict);
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void nm_utils_setpgid (gpointer unused);
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#endif /* __NETWORKMANAGER_UTILS_H__ */
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