/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ /* NetworkManager -- Network link manager * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * Copyright (C) 2005 - 2017 Red Hat, Inc. * Copyright (C) 2006 - 2008 Novell, Inc. */ #include "nm-default.h" #include "nm-ip6-config.h" #include #include #include #include #include "nm-utils/nm-dedup-multi.h" #include "nm-utils.h" #include "platform/nmp-object.h" #include "platform/nm-platform.h" #include "platform/nm-platform-utils.h" #include "nm-core-internal.h" #include "NetworkManagerUtils.h" #include "nm-ip4-config.h" #include "ndisc/nm-ndisc.h" #include "nm-dbus-object.h" /*****************************************************************************/ static gboolean _route_valid (const NMPlatformIP6Route *r) { struct in6_addr n; return r && r->plen <= 128 && (memcmp (&r->network, nm_utils_ip6_address_clear_host_address (&n, &r->network, r->plen), sizeof (n)) == 0); } /*****************************************************************************/ typedef struct { int ifindex; int dns_priority; NMSettingIP6ConfigPrivacy privacy; GArray *nameservers; GPtrArray *domains; GPtrArray *searches; GPtrArray *dns_options; GVariant *address_data_variant; GVariant *addresses_variant; GVariant *route_data_variant; GVariant *routes_variant; NMDedupMultiIndex *multi_idx; const NMPObject *best_default_route; union { NMIPConfigDedupMultiIdxType idx_ip6_addresses_; NMDedupMultiIdxType idx_ip6_addresses; }; union { NMIPConfigDedupMultiIdxType idx_ip6_routes_; NMDedupMultiIdxType idx_ip6_routes; }; } NMIP6ConfigPrivate; struct _NMIP6Config { NMDBusObject parent; NMIP6ConfigPrivate _priv; }; struct _NMIP6ConfigClass { NMDBusObjectClass parent; }; G_DEFINE_TYPE (NMIP6Config, nm_ip6_config, NM_TYPE_DBUS_OBJECT) #define NM_IP6_CONFIG_GET_PRIVATE(self) _NM_GET_PRIVATE(self, NMIP6Config, NM_IS_IP6_CONFIG) NM_GOBJECT_PROPERTIES_DEFINE (NMIP6Config, PROP_MULTI_IDX, PROP_IFINDEX, PROP_ADDRESS_DATA, PROP_ADDRESSES, PROP_ROUTE_DATA, PROP_ROUTES, PROP_GATEWAY, PROP_NAMESERVERS, PROP_DOMAINS, PROP_SEARCHES, PROP_DNS_OPTIONS, PROP_DNS_PRIORITY, ); /*****************************************************************************/ static void _add_address (NMIP6Config *self, const NMPObject *obj_new, const NMPlatformIP6Address *new); static void _add_route (NMIP6Config *self, const NMPObject *obj_new, const NMPlatformIP6Route *new, const NMPObject **out_obj_new); static const NMDedupMultiEntry *_lookup_route (const NMIP6Config *self, const NMPObject *needle, NMPlatformIPRouteCmpType cmp_type); /*****************************************************************************/ int nm_ip6_config_get_ifindex (const NMIP6Config *self) { return NM_IP6_CONFIG_GET_PRIVATE (self)->ifindex; } NMDedupMultiIndex * nm_ip6_config_get_multi_idx (const NMIP6Config *self) { return NM_IP6_CONFIG_GET_PRIVATE (self)->multi_idx; } void nm_ip6_config_set_privacy (NMIP6Config *self, NMSettingIP6ConfigPrivacy privacy) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); priv->privacy = privacy; } /*****************************************************************************/ const NMDedupMultiHeadEntry * nm_ip6_config_lookup_addresses (const NMIP6Config *self) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); return nm_dedup_multi_index_lookup_head (priv->multi_idx, &priv->idx_ip6_addresses, NULL); } void nm_ip_config_iter_ip6_address_init (NMDedupMultiIter *ipconf_iter, const NMIP6Config *self) { g_return_if_fail (NM_IS_IP6_CONFIG (self)); nm_dedup_multi_iter_init (ipconf_iter, nm_ip6_config_lookup_addresses (self)); } /*****************************************************************************/ const NMDedupMultiHeadEntry * nm_ip6_config_lookup_routes (const NMIP6Config *self) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); return nm_dedup_multi_index_lookup_head (priv->multi_idx, &priv->idx_ip6_routes, NULL); } void nm_ip_config_iter_ip6_route_init (NMDedupMultiIter *ipconf_iter, const NMIP6Config *self) { g_return_if_fail (NM_IS_IP6_CONFIG (self)); nm_dedup_multi_iter_init (ipconf_iter, nm_ip6_config_lookup_routes (self)); } /*****************************************************************************/ const NMPObject * nm_ip6_config_best_default_route_get (const NMIP6Config *self) { g_return_val_if_fail (NM_IS_IP6_CONFIG (self), NULL); return NM_IP6_CONFIG_GET_PRIVATE (self)->best_default_route; } const NMPObject * _nm_ip6_config_best_default_route_find (const NMIP6Config *self) { NMDedupMultiIter ipconf_iter; const NMPObject *new_best_default_route = NULL; nm_ip_config_iter_ip6_route_for_each (&ipconf_iter, self, NULL) { new_best_default_route = _nm_ip_config_best_default_route_find_better (new_best_default_route, ipconf_iter.current->obj); } return new_best_default_route; } /*****************************************************************************/ static void _notify_addresses (NMIP6Config *self) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); nm_clear_g_variant (&priv->address_data_variant); nm_clear_g_variant (&priv->addresses_variant); nm_gobject_notify_together (self, PROP_ADDRESS_DATA, PROP_ADDRESSES); } static void _notify_routes (NMIP6Config *self) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); nm_assert (priv->best_default_route == _nm_ip6_config_best_default_route_find (self)); nm_clear_g_variant (&priv->route_data_variant); nm_clear_g_variant (&priv->routes_variant); nm_gobject_notify_together (self, PROP_ROUTE_DATA, PROP_ROUTES); } /*****************************************************************************/ static int _addresses_sort_cmp_get_prio (const struct in6_addr *addr) { if (IN6_IS_ADDR_V4MAPPED (addr)) return 0; if (IN6_IS_ADDR_V4COMPAT (addr)) return 1; if (IN6_IS_ADDR_UNSPECIFIED (addr)) return 2; if (IN6_IS_ADDR_LOOPBACK (addr)) return 3; if (IN6_IS_ADDR_LINKLOCAL (addr)) return 4; if (IN6_IS_ADDR_SITELOCAL (addr)) return 5; return 6; } static int _addresses_sort_cmp (const NMPlatformIP6Address *a1, const NMPlatformIP6Address *a2, gboolean prefer_temp) { int p1, p2, c; gboolean perm1, perm2, tent1, tent2; gboolean ipv6_privacy1, ipv6_privacy2; /* tentative addresses are always sorted back... */ /* sort tentative addresses after non-tentative. */ tent1 = (a1->n_ifa_flags & IFA_F_TENTATIVE); tent2 = (a2->n_ifa_flags & IFA_F_TENTATIVE); if (tent1 != tent2) return tent1 ? 1 : -1; /* Sort by address type. For example link local will * be sorted *after* site local or global. */ p1 = _addresses_sort_cmp_get_prio (&a1->address); p2 = _addresses_sort_cmp_get_prio (&a2->address); if (p1 != p2) return p1 > p2 ? -1 : 1; ipv6_privacy1 = !!(a1->n_ifa_flags & (IFA_F_MANAGETEMPADDR | IFA_F_TEMPORARY)); ipv6_privacy2 = !!(a2->n_ifa_flags & (IFA_F_MANAGETEMPADDR | IFA_F_TEMPORARY)); if (ipv6_privacy1 || ipv6_privacy2) { gboolean public1 = TRUE, public2 = TRUE; if (ipv6_privacy1) { if (a1->n_ifa_flags & IFA_F_TEMPORARY) public1 = prefer_temp; else public1 = !prefer_temp; } if (ipv6_privacy2) { if (a2->n_ifa_flags & IFA_F_TEMPORARY) public2 = prefer_temp; else public2 = !prefer_temp; } if (public1 != public2) return public1 ? -1 : 1; } /* Sort the addresses based on their source. */ if (a1->addr_source != a2->addr_source) return a1->addr_source > a2->addr_source ? -1 : 1; /* sort permanent addresses before non-permanent. */ perm1 = (a1->n_ifa_flags & IFA_F_PERMANENT); perm2 = (a2->n_ifa_flags & IFA_F_PERMANENT); if (perm1 != perm2) return perm1 ? -1 : 1; /* finally sort addresses lexically */ c = memcmp (&a1->address, &a2->address, sizeof (a2->address)); return c != 0 ? c : memcmp (a1, a2, sizeof (*a1)); } static int _addresses_sort_cmp_prop (gconstpointer a, gconstpointer b, gpointer user_data) { return _addresses_sort_cmp (NMP_OBJECT_CAST_IP6_ADDRESS (*((const NMPObject **) a)), NMP_OBJECT_CAST_IP6_ADDRESS (*((const NMPObject **) b)), ((NMSettingIP6ConfigPrivacy) GPOINTER_TO_INT (user_data)) == NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_TEMP_ADDR); } static int sort_captured_addresses (const CList *lst_a, const CList *lst_b, gconstpointer user_data) { const NMPlatformIP6Address *addr_a = NMP_OBJECT_CAST_IP6_ADDRESS (c_list_entry (lst_a, NMDedupMultiEntry, lst_entries)->obj); const NMPlatformIP6Address *addr_b = NMP_OBJECT_CAST_IP6_ADDRESS (c_list_entry (lst_b, NMDedupMultiEntry, lst_entries)->obj); return _addresses_sort_cmp (addr_a, addr_b, ((NMSettingIP6ConfigPrivacy) GPOINTER_TO_INT (user_data)) == NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_TEMP_ADDR); } gboolean _nmtst_ip6_config_addresses_sort (NMIP6Config *self) { NMIP6ConfigPrivate *priv; const NMDedupMultiHeadEntry *head_entry; g_return_val_if_fail (NM_IS_IP6_CONFIG (self), FALSE); head_entry = nm_ip6_config_lookup_addresses (self); if (head_entry && head_entry->len > 1) { gboolean changed; gs_free gconstpointer *addresses_old = NULL; guint naddr, j; NMDedupMultiIter iter; priv = NM_IP6_CONFIG_GET_PRIVATE (self); addresses_old = nm_dedup_multi_objs_to_array_head (head_entry, NULL, NULL, &naddr); nm_assert (addresses_old); nm_assert (naddr > 0 && naddr == head_entry->len); nm_dedup_multi_head_entry_sort (head_entry, sort_captured_addresses, GINT_TO_POINTER (priv->privacy)); changed = FALSE; j = 0; nm_dedup_multi_iter_for_each (&iter, head_entry) { nm_assert (j < naddr); if (iter.current->obj != addresses_old[j++]) changed = TRUE; } nm_assert (j == naddr); if (changed) { _notify_addresses (self); return TRUE; } } return FALSE; } NMIP6Config * nm_ip6_config_clone (const NMIP6Config *self) { NMIP6Config *copy; copy = nm_ip6_config_new (nm_ip6_config_get_multi_idx (self), -1); nm_ip6_config_replace (copy, self, NULL); return copy; } NMIP6Config * nm_ip6_config_capture (NMDedupMultiIndex *multi_idx, NMPlatform *platform, int ifindex, NMSettingIP6ConfigPrivacy use_temporary) { NMIP6Config *self; NMIP6ConfigPrivate *priv; const NMDedupMultiHeadEntry *head_entry; NMDedupMultiIter iter; const NMPObject *plobj = NULL; nm_assert (ifindex > 0); /* Slaves have no IP configuration */ if (nm_platform_link_get_master (platform, ifindex) > 0) return NULL; self = nm_ip6_config_new (multi_idx, ifindex); priv = NM_IP6_CONFIG_GET_PRIVATE (self); head_entry = nm_platform_lookup_object (platform, NMP_OBJECT_TYPE_IP6_ADDRESS, ifindex); if (head_entry) { nmp_cache_iter_for_each (&iter, head_entry, &plobj) { if (!_nm_ip_config_add_obj (priv->multi_idx, &priv->idx_ip6_addresses_, ifindex, plobj, NULL, FALSE, TRUE, NULL, NULL)) nm_assert_not_reached (); } head_entry = nm_ip6_config_lookup_addresses (self); nm_assert (head_entry); nm_dedup_multi_head_entry_sort (head_entry, sort_captured_addresses, GINT_TO_POINTER (use_temporary)); _notify_addresses (self); } head_entry = nm_platform_lookup_object (platform, NMP_OBJECT_TYPE_IP6_ROUTE, ifindex); nmp_cache_iter_for_each (&iter, head_entry, &plobj) _add_route (self, plobj, NULL, NULL); return self; } void nm_ip6_config_update_routes_metric (NMIP6Config *self, gint64 metric) { gs_free NMPlatformIP6Route *routes = NULL; gboolean need_update = FALSE; const NMPlatformIP6Route *r; NMDedupMultiIter iter; guint num = 0, i = 0; nm_ip_config_iter_ip6_route_for_each (&iter, self, &r) { if (r->metric != metric) need_update = TRUE; num++; } if (!need_update) return; routes = g_new (NMPlatformIP6Route, num); nm_ip_config_iter_ip6_route_for_each (&iter, self, &r) { routes[i] = *r; routes[i].metric = metric; i++; } g_object_freeze_notify (G_OBJECT (self)); nm_ip6_config_reset_routes (self); for (i = 0; i < num; i++) nm_ip6_config_add_route (self, &routes[i], NULL); g_object_thaw_notify (G_OBJECT (self)); } void nm_ip6_config_add_dependent_routes (NMIP6Config *self, guint32 route_table, guint32 route_metric) { const NMPlatformIP6Address *my_addr; const NMPlatformIP6Route *my_route; int ifindex; NMDedupMultiIter iter; g_return_if_fail (NM_IS_IP6_CONFIG (self)); ifindex = nm_ip6_config_get_ifindex (self); g_return_if_fail (ifindex > 0); /* For IPv6 addresses received via SLAAC/autoconf, we explicitly add the * device-routes (onlink) to NMIP6Config. * * For manually added IPv6 routes, add the device routes explicitly. */ nm_ip_config_iter_ip6_address_for_each (&iter, self, &my_addr) { NMPlatformIP6Route *route; gboolean has_peer; int routes_n, routes_i; if (NM_FLAGS_HAS (my_addr->n_ifa_flags, IFA_F_NOPREFIXROUTE)) continue; has_peer = !IN6_IS_ADDR_UNSPECIFIED (&my_addr->peer_address); /* If we have an IPv6 peer, we add two /128 routes * (unless, both addresses are identical). */ routes_n = ( has_peer && !IN6_ARE_ADDR_EQUAL (&my_addr->address, &my_addr->peer_address)) ? 2 : 1; for (routes_i = 0; routes_i < routes_n; routes_i++) { nm_auto_nmpobj NMPObject *r = NULL; r = nmp_object_new (NMP_OBJECT_TYPE_IP6_ROUTE, NULL); route = NMP_OBJECT_CAST_IP6_ROUTE (r); route->ifindex = ifindex; route->rt_source = NM_IP_CONFIG_SOURCE_KERNEL; route->table_coerced = nm_platform_route_table_coerce (route_table); route->metric = route_metric; if (has_peer) { if (routes_i == 0) route->network = my_addr->address; else route->network = my_addr->peer_address; route->plen = 128; } else { nm_utils_ip6_address_clear_host_address (&route->network, &my_addr->address, my_addr->plen); route->plen = my_addr->plen; } nm_platform_ip_route_normalize (AF_INET6, (NMPlatformIPRoute *) route); if (_lookup_route (self, r, NM_PLATFORM_IP_ROUTE_CMP_TYPE_ID)) { /* we already track this route. Don't add it again. */ } else _add_route (self, r, NULL, NULL); } } again: nm_ip_config_iter_ip6_route_for_each (&iter, self, &my_route) { NMPlatformIP6Route rt; if ( !NM_PLATFORM_IP_ROUTE_IS_DEFAULT (my_route) || IN6_IS_ADDR_UNSPECIFIED (&my_route->gateway) || NM_IS_IP_CONFIG_SOURCE_RTPROT (my_route->rt_source) || nm_ip6_config_get_direct_route_for_host (self, &my_route->gateway, nm_platform_route_table_uncoerce (my_route->table_coerced, TRUE))) continue; rt = *my_route; rt.network = my_route->gateway; rt.plen = 128; rt.gateway = in6addr_any; _add_route (self, NULL, &rt, NULL); /* adding the route might have invalidated the iteration. Start again. */ goto again; } } gboolean nm_ip6_config_commit (const NMIP6Config *self, NMPlatform *platform, NMIPRouteTableSyncMode route_table_sync, GPtrArray **out_temporary_not_available) { gs_unref_ptrarray GPtrArray *addresses = NULL; gs_unref_ptrarray GPtrArray *routes = NULL; gs_unref_ptrarray GPtrArray *routes_prune = NULL; int ifindex; gboolean success = TRUE; g_return_val_if_fail (NM_IS_IP6_CONFIG (self), FALSE); ifindex = nm_ip6_config_get_ifindex (self); g_return_val_if_fail (ifindex > 0, FALSE); addresses = nm_dedup_multi_objs_to_ptr_array_head (nm_ip6_config_lookup_addresses (self), NULL, NULL); routes = nm_dedup_multi_objs_to_ptr_array_head (nm_ip6_config_lookup_routes (self), NULL, NULL); routes_prune = nm_platform_ip_route_get_prune_list (platform, AF_INET6, ifindex, route_table_sync); nm_platform_ip6_address_sync (platform, ifindex, addresses, FALSE); if (!nm_platform_ip_route_sync (platform, AF_INET6, ifindex, routes, routes_prune, out_temporary_not_available)) success = FALSE; return success; } void nm_ip6_config_merge_setting (NMIP6Config *self, NMSettingIPConfig *setting, guint32 route_table, guint32 route_metric) { guint naddresses, nroutes, nnameservers, nsearches; const char *gateway_str; struct in6_addr gateway_bin; int i, priority; if (!setting) return; g_return_if_fail (NM_IS_SETTING_IP6_CONFIG (setting)); naddresses = nm_setting_ip_config_get_num_addresses (setting); nroutes = nm_setting_ip_config_get_num_routes (setting); nnameservers = nm_setting_ip_config_get_num_dns (setting); nsearches = nm_setting_ip_config_get_num_dns_searches (setting); g_object_freeze_notify (G_OBJECT (self)); /* Gateway */ if ( !nm_setting_ip_config_get_never_default (setting) && (gateway_str = nm_setting_ip_config_get_gateway (setting)) && inet_pton (AF_INET6, gateway_str, &gateway_bin) == 1 && !IN6_IS_ADDR_UNSPECIFIED (&gateway_bin)) { const NMPlatformIP6Route r = { .rt_source = NM_IP_CONFIG_SOURCE_USER, .gateway = gateway_bin, .table_coerced = nm_platform_route_table_coerce (route_table), .metric = route_metric, }; _add_route (self, NULL, &r, NULL); } /* Addresses */ for (i = 0; i < naddresses; i++) { NMIPAddress *s_addr = nm_setting_ip_config_get_address (setting, i); NMPlatformIP6Address address; memset (&address, 0, sizeof (address)); nm_ip_address_get_address_binary (s_addr, &address.address); address.plen = nm_ip_address_get_prefix (s_addr); nm_assert (address.plen <= 128); address.lifetime = NM_PLATFORM_LIFETIME_PERMANENT; address.preferred = NM_PLATFORM_LIFETIME_PERMANENT; address.addr_source = NM_IP_CONFIG_SOURCE_USER; _add_address (self, NULL, &address); } /* Routes */ for (i = 0; i < nroutes; i++) { NMIPRoute *s_route = nm_setting_ip_config_get_route (setting, i); NMPlatformIP6Route route; if (nm_ip_route_get_family (s_route) != AF_INET6) { nm_assert_not_reached (); continue; } memset (&route, 0, sizeof (route)); nm_ip_route_get_dest_binary (s_route, &route.network); route.plen = nm_ip_route_get_prefix (s_route); nm_assert (route.plen <= 128); if (route.plen == 0) continue; nm_ip_route_get_next_hop_binary (s_route, &route.gateway); if (nm_ip_route_get_metric (s_route) == -1) route.metric = route_metric; else route.metric = nm_ip_route_get_metric (s_route); route.rt_source = NM_IP_CONFIG_SOURCE_USER; nm_utils_ip6_address_clear_host_address (&route.network, &route.network, route.plen); _nm_ip_config_merge_route_attributes (AF_INET, s_route, NM_PLATFORM_IP_ROUTE_CAST (&route), route_table); _add_route (self, NULL, &route, NULL); } /* DNS */ if (nm_setting_ip_config_get_ignore_auto_dns (setting)) { nm_ip6_config_reset_nameservers (self); nm_ip6_config_reset_domains (self); nm_ip6_config_reset_searches (self); } for (i = 0; i < nnameservers; i++) { struct in6_addr ip; if (inet_pton (AF_INET6, nm_setting_ip_config_get_dns (setting, i), &ip) == 1) nm_ip6_config_add_nameserver (self, &ip); } for (i = 0; i < nsearches; i++) nm_ip6_config_add_search (self, nm_setting_ip_config_get_dns_search (setting, i)); i = 0; while ((i = nm_setting_ip_config_next_valid_dns_option (setting, i)) >= 0) { nm_ip6_config_add_dns_option (self, nm_setting_ip_config_get_dns_option (setting, i)); i++; } priority = nm_setting_ip_config_get_dns_priority (setting); if (priority) nm_ip6_config_set_dns_priority (self, priority); g_object_thaw_notify (G_OBJECT (self)); } NMSetting * nm_ip6_config_create_setting (const NMIP6Config *self) { const NMIP6ConfigPrivate *priv; NMSettingIPConfig *s_ip6; guint nnameservers, nsearches, noptions; const char *method = NULL; int i; NMDedupMultiIter ipconf_iter; const NMPlatformIP6Address *address; const NMPlatformIP6Route *route; s_ip6 = NM_SETTING_IP_CONFIG (nm_setting_ip6_config_new ()); if (!self) { g_object_set (s_ip6, NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP6_CONFIG_METHOD_IGNORE, NULL); return NM_SETTING (s_ip6); } priv = NM_IP6_CONFIG_GET_PRIVATE (self); nnameservers = nm_ip6_config_get_num_nameservers (self); nsearches = nm_ip6_config_get_num_searches (self); noptions = nm_ip6_config_get_num_dns_options (self); /* Addresses */ nm_ip_config_iter_ip6_address_for_each (&ipconf_iter, self, &address) { NMIPAddress *s_addr; /* Ignore link-local address. */ if (IN6_IS_ADDR_LINKLOCAL (&address->address)) { if (!method) method = NM_SETTING_IP6_CONFIG_METHOD_LINK_LOCAL; continue; } /* Detect dynamic address */ if (address->lifetime != NM_PLATFORM_LIFETIME_PERMANENT) { method = NM_SETTING_IP6_CONFIG_METHOD_AUTO; continue; } /* Static address found. */ if (!method || strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_LINK_LOCAL) == 0) method = NM_SETTING_IP6_CONFIG_METHOD_MANUAL; s_addr = nm_ip_address_new_binary (AF_INET6, &address->address, address->plen, NULL); nm_setting_ip_config_add_address (s_ip6, s_addr); nm_ip_address_unref (s_addr); } /* Gateway */ if ( priv->best_default_route && nm_setting_ip_config_get_num_addresses (s_ip6) > 0) { g_object_set (s_ip6, NM_SETTING_IP_CONFIG_GATEWAY, nm_utils_inet6_ntop (&NMP_OBJECT_CAST_IP6_ROUTE (priv->best_default_route)->gateway, NULL), NULL); } /* Use 'ignore' if the method wasn't previously set */ if (!method) method = NM_SETTING_IP6_CONFIG_METHOD_IGNORE; g_object_set (s_ip6, NM_SETTING_IP_CONFIG_METHOD, method, NULL); /* Routes */ nm_ip_config_iter_ip6_route_for_each (&ipconf_iter, self, &route) { NMIPRoute *s_route; /* Ignore link-local route. */ if (IN6_IS_ADDR_LINKLOCAL (&route->network)) continue; if (NM_PLATFORM_IP_ROUTE_IS_DEFAULT (route)) continue; /* Ignore routes provided by external sources */ if (route->rt_source != nmp_utils_ip_config_source_round_trip_rtprot (NM_IP_CONFIG_SOURCE_USER)) continue; s_route = nm_ip_route_new_binary (AF_INET6, &route->network, route->plen, &route->gateway, route->metric, NULL); nm_setting_ip_config_add_route (s_ip6, s_route); nm_ip_route_unref (s_route); } /* DNS */ for (i = 0; i < nnameservers; i++) { const struct in6_addr *nameserver = nm_ip6_config_get_nameserver (self, i); nm_setting_ip_config_add_dns (s_ip6, nm_utils_inet6_ntop (nameserver, NULL)); } for (i = 0; i < nsearches; i++) { const char *search = nm_ip6_config_get_search (self, i); nm_setting_ip_config_add_dns_search (s_ip6, search); } for (i = 0; i < noptions; i++) { const char *option = nm_ip6_config_get_dns_option (self, i); nm_setting_ip_config_add_dns_option (s_ip6, option); } g_object_set (s_ip6, NM_SETTING_IP_CONFIG_DNS_PRIORITY, nm_ip6_config_get_dns_priority (self), NULL); return NM_SETTING (s_ip6); } /*****************************************************************************/ void nm_ip6_config_merge (NMIP6Config *dst, const NMIP6Config *src, NMIPConfigMergeFlags merge_flags, guint32 default_route_metric_penalty) { guint32 i; NMDedupMultiIter ipconf_iter; const NMPlatformIP6Address *address = NULL; g_return_if_fail (src != NULL); g_return_if_fail (dst != NULL); g_object_freeze_notify (G_OBJECT (dst)); /* addresses */ nm_ip_config_iter_ip6_address_for_each (&ipconf_iter, src, &address) _add_address (dst, NMP_OBJECT_UP_CAST (address), NULL); /* nameservers */ if (!NM_FLAGS_HAS (merge_flags, NM_IP_CONFIG_MERGE_NO_DNS)) { for (i = 0; i < nm_ip6_config_get_num_nameservers (src); i++) nm_ip6_config_add_nameserver (dst, nm_ip6_config_get_nameserver (src, i)); } /* routes */ if (!NM_FLAGS_HAS (merge_flags, NM_IP_CONFIG_MERGE_NO_ROUTES)) { const NMPlatformIP6Route *r_src; nm_ip_config_iter_ip6_route_for_each (&ipconf_iter, src, &r_src) { if (NM_PLATFORM_IP_ROUTE_IS_DEFAULT (r_src)) { if (NM_FLAGS_HAS (merge_flags, NM_IP_CONFIG_MERGE_NO_DEFAULT_ROUTES)) continue; if (default_route_metric_penalty) { NMPlatformIP6Route r = *r_src; r.metric = nm_utils_ip_route_metric_penalize (AF_INET6, r.metric, default_route_metric_penalty); _add_route (dst, NULL, &r, NULL); continue; } } _add_route (dst, ipconf_iter.current->obj, NULL, NULL); } } /* domains */ if (!NM_FLAGS_HAS (merge_flags, NM_IP_CONFIG_MERGE_NO_DNS)) { for (i = 0; i < nm_ip6_config_get_num_domains (src); i++) nm_ip6_config_add_domain (dst, nm_ip6_config_get_domain (src, i)); } /* dns searches */ if (!NM_FLAGS_HAS (merge_flags, NM_IP_CONFIG_MERGE_NO_DNS)) { for (i = 0; i < nm_ip6_config_get_num_searches (src); i++) nm_ip6_config_add_search (dst, nm_ip6_config_get_search (src, i)); } /* dns options */ if (!NM_FLAGS_HAS (merge_flags, NM_IP_CONFIG_MERGE_NO_DNS)) { for (i = 0; i < nm_ip6_config_get_num_dns_options (src); i++) nm_ip6_config_add_dns_option (dst, nm_ip6_config_get_dns_option (src, i)); } /* DNS priority */ if (nm_ip6_config_get_dns_priority (src)) nm_ip6_config_set_dns_priority (dst, nm_ip6_config_get_dns_priority (src)); g_object_thaw_notify (G_OBJECT (dst)); } /*****************************************************************************/ static int _nameservers_get_index (const NMIP6Config *self, const struct in6_addr *ns) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); guint i; for (i = 0; i < priv->nameservers->len; i++) { const struct in6_addr *n = &g_array_index (priv->nameservers, struct in6_addr, i); if (IN6_ARE_ADDR_EQUAL (ns, n)) return (int) i; } return -1; } static int _domains_get_index (const NMIP6Config *self, const char *domain) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); guint i; for (i = 0; i < priv->domains->len; i++) { const char *d = g_ptr_array_index (priv->domains, i); if (g_strcmp0 (domain, d) == 0) return (int) i; } return -1; } static int _searches_get_index (const NMIP6Config *self, const char *search) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); guint i; for (i = 0; i < priv->searches->len; i++) { const char *s = g_ptr_array_index (priv->searches, i); if (g_strcmp0 (search, s) == 0) return (int) i; } return -1; } static int _dns_options_get_index (const NMIP6Config *self, const char *option) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); guint i; for (i = 0; i < priv->dns_options->len; i++) { const char *s = g_ptr_array_index (priv->dns_options, i); if (g_strcmp0 (option, s) == 0) return (int) i; } return -1; } /*****************************************************************************/ /** * nm_ip6_config_subtract: * @dst: config from which to remove everything in @src * @src: config to remove from @dst * @default_route_metric_penalty: pretend that on source we applied * a route penalty on the default-route. It means, for default routes * we don't remove routes that match exactly, but those with a lower * metric (with the penalty removed). * * Removes everything in @src from @dst. */ void nm_ip6_config_subtract (NMIP6Config *dst, const NMIP6Config *src, guint32 default_route_metric_penalty) { NMIP6ConfigPrivate *dst_priv; guint i; int idx; const NMPlatformIP6Address *a; const NMPlatformIP6Route *r; NMDedupMultiIter ipconf_iter; gboolean changed; gboolean changed_default_route; g_return_if_fail (src != NULL); g_return_if_fail (dst != NULL); dst_priv = NM_IP6_CONFIG_GET_PRIVATE (dst); g_object_freeze_notify (G_OBJECT (dst)); /* addresses */ changed = FALSE; nm_ip_config_iter_ip6_address_for_each (&ipconf_iter, src, &a) { if (nm_dedup_multi_index_remove_obj (dst_priv->multi_idx, &dst_priv->idx_ip6_addresses, NMP_OBJECT_UP_CAST (a), NULL)) changed = TRUE; } if (changed) _notify_addresses (dst); /* nameservers */ for (i = 0; i < nm_ip6_config_get_num_nameservers (src); i++) { idx = _nameservers_get_index (dst, nm_ip6_config_get_nameserver (src, i)); if (idx >= 0) nm_ip6_config_del_nameserver (dst, idx); } /* routes */ changed = FALSE; changed_default_route = FALSE; nm_ip_config_iter_ip6_route_for_each (&ipconf_iter, src, &r) { const NMPObject *o_src = NMP_OBJECT_UP_CAST (r); NMPObject o_lookup_copy; const NMPObject *o_lookup; nm_auto_nmpobj const NMPObject *obj_old = NULL; if ( NM_PLATFORM_IP_ROUTE_IS_DEFAULT (r) && default_route_metric_penalty) { NMPlatformIP6Route *rr; /* the default route was penalized when merging it to the combined ip-config. * When subtracting the routes, we must re-do that process when comparing * the routes. */ o_lookup = nmp_object_stackinit_obj (&o_lookup_copy, o_src); rr = NMP_OBJECT_CAST_IP6_ROUTE (&o_lookup_copy); rr->metric = nm_utils_ip_route_metric_penalize (AF_INET6, rr->metric, default_route_metric_penalty); } else o_lookup = o_src; if (nm_dedup_multi_index_remove_obj (dst_priv->multi_idx, &dst_priv->idx_ip6_routes, o_lookup, (gconstpointer *) &obj_old)) { if (dst_priv->best_default_route == obj_old) { nm_clear_nmp_object (&dst_priv->best_default_route); changed_default_route = TRUE; } changed = TRUE; } } if (changed_default_route) { _nm_ip_config_best_default_route_set (&dst_priv->best_default_route, _nm_ip6_config_best_default_route_find (dst)); _notify (dst, PROP_GATEWAY); } if (changed) _notify_routes (dst); /* domains */ for (i = 0; i < nm_ip6_config_get_num_domains (src); i++) { idx = _domains_get_index (dst, nm_ip6_config_get_domain (src, i)); if (idx >= 0) nm_ip6_config_del_domain (dst, idx); } /* dns searches */ for (i = 0; i < nm_ip6_config_get_num_searches (src); i++) { idx = _searches_get_index (dst, nm_ip6_config_get_search (src, i)); if (idx >= 0) nm_ip6_config_del_search (dst, idx); } /* dns options */ for (i = 0; i < nm_ip6_config_get_num_dns_options (src); i++) { idx = _dns_options_get_index (dst, nm_ip6_config_get_dns_option (src, i)); if (idx >= 0) nm_ip6_config_del_dns_option (dst, idx); } /* DNS priority */ if (nm_ip6_config_get_dns_priority (src) == nm_ip6_config_get_dns_priority (dst)) nm_ip6_config_set_dns_priority (dst, 0); g_object_thaw_notify (G_OBJECT (dst)); } static gboolean _nm_ip6_config_intersect_helper (NMIP6Config *dst, const NMIP6Config *src, guint32 default_route_metric_penalty, gboolean update_dst) { NMIP6ConfigPrivate *dst_priv; const NMIP6ConfigPrivate *src_priv; NMDedupMultiIter ipconf_iter; const NMPlatformIP6Address *a; const NMPlatformIP6Route *r; gboolean changed, result = FALSE; const NMPObject *new_best_default_route; g_return_val_if_fail (src, FALSE); g_return_val_if_fail (dst, FALSE); dst_priv = NM_IP6_CONFIG_GET_PRIVATE (dst); src_priv = NM_IP6_CONFIG_GET_PRIVATE (src); if (update_dst) g_object_freeze_notify (G_OBJECT (dst)); /* addresses */ changed = FALSE; nm_ip_config_iter_ip6_address_for_each (&ipconf_iter, dst, &a) { if (nm_dedup_multi_index_lookup_obj (src_priv->multi_idx, &src_priv->idx_ip6_addresses, NMP_OBJECT_UP_CAST (a))) continue; if (!update_dst) return TRUE; if (nm_dedup_multi_index_remove_entry (dst_priv->multi_idx, ipconf_iter.current) != 1) nm_assert_not_reached (); changed = TRUE; } if (changed) { _notify_addresses (dst); result = TRUE; } /* ignore nameservers */ /* routes */ changed = FALSE; new_best_default_route = NULL; nm_ip_config_iter_ip6_route_for_each (&ipconf_iter, dst, &r) { const NMPObject *o_dst = NMP_OBJECT_UP_CAST (r); const NMPObject *o_lookup; NMPObject o_lookup_copy; if ( NM_PLATFORM_IP_ROUTE_IS_DEFAULT (r) && default_route_metric_penalty) { NMPlatformIP6Route *rr; /* the default route was penalized when merging it to the combined ip-config. * When intersecting the routes, we must re-do that process when comparing * the routes. */ o_lookup = nmp_object_stackinit_obj (&o_lookup_copy, o_dst); rr = NMP_OBJECT_CAST_IP6_ROUTE (&o_lookup_copy); rr->metric = nm_utils_ip_route_metric_penalize (AF_INET6, rr->metric, default_route_metric_penalty); } else o_lookup = o_dst; if (nm_dedup_multi_index_lookup_obj (src_priv->multi_idx, &src_priv->idx_ip6_routes, o_lookup)) { new_best_default_route = _nm_ip_config_best_default_route_find_better (new_best_default_route, o_dst); continue; } if (!update_dst) return TRUE; if (nm_dedup_multi_index_remove_entry (dst_priv->multi_idx, ipconf_iter.current) != 1) nm_assert_not_reached (); changed = TRUE; } if (_nm_ip_config_best_default_route_set (&dst_priv->best_default_route, new_best_default_route)) { nm_assert (changed); _notify (dst, PROP_GATEWAY); } if (changed) { _notify_routes (dst); result = TRUE; } /* ignore domains */ /* ignore dns searches */ /* ignore dns options */ if (update_dst) g_object_thaw_notify (G_OBJECT (dst)); return result; } /** * nm_ip6_config_intersect: * @dst: a configuration to be updated * @src: another configuration * @default_route_metric_penalty: the default route metric penalty * * Computes the intersection between @src and @dst and updates @dst in place * with the result. */ void nm_ip6_config_intersect (NMIP6Config *dst, const NMIP6Config *src, guint32 default_route_metric_penalty) { _nm_ip6_config_intersect_helper (dst, src, default_route_metric_penalty, TRUE); } /** * nm_ip6_config_intersect_alloc: * @a: a configuration * @b: another configuration * @default_route_metric_penalty: the default route metric penalty * * Computes the intersection between @a and @b and returns the result in a newly * allocated configuration. As a special case, if @a and @b are identical (with * respect to the only properties considered - addresses and routes) the * functions returns NULL so that one of existing configuration can be reused * without allocation. * * Returns: the intersection between @a and @b, or %NULL if the result is equal * to @a and @b. */ NMIP6Config * nm_ip6_config_intersect_alloc (const NMIP6Config *a, const NMIP6Config *b, guint32 default_route_metric_penalty) { NMIP6Config *a_copy; if (_nm_ip6_config_intersect_helper ((NMIP6Config *) a, b, default_route_metric_penalty, FALSE)) { a_copy = nm_ip6_config_clone (a); _nm_ip6_config_intersect_helper (a_copy, b, default_route_metric_penalty, TRUE); return a_copy; } else return NULL; } /** * nm_ip6_config_replace: * @dst: config which will be replaced with everything in @src * @src: config to copy over to @dst * @relevant_changes: return whether there are changes to the * destination object that are relevant. This is equal to * nm_ip6_config_equal() showing any difference. * * Replaces everything in @dst with @src so that the two configurations * contain the same content -- with the exception of the dbus path. * * Returns: whether the @dst instance changed in any way (including minor changes, * that are not signaled by the output parameter @relevant_changes). */ gboolean nm_ip6_config_replace (NMIP6Config *dst, const NMIP6Config *src, gboolean *relevant_changes) { #if NM_MORE_ASSERTS gboolean config_equal; #endif gboolean has_minor_changes = FALSE, has_relevant_changes = FALSE, are_equal; guint i, num; NMIP6ConfigPrivate *dst_priv; const NMIP6ConfigPrivate *src_priv; NMDedupMultiIter ipconf_iter_src, ipconf_iter_dst; const NMDedupMultiHeadEntry *head_entry_src; const NMPObject *new_best_default_route; g_return_val_if_fail (NM_IS_IP6_CONFIG (src), FALSE); g_return_val_if_fail (NM_IS_IP6_CONFIG (dst), FALSE); g_return_val_if_fail (src != dst, FALSE); #if NM_MORE_ASSERTS config_equal = nm_ip6_config_equal (dst, src); #endif dst_priv = NM_IP6_CONFIG_GET_PRIVATE (dst); src_priv = NM_IP6_CONFIG_GET_PRIVATE (src); g_return_val_if_fail (src_priv->ifindex > 0, FALSE); g_object_freeze_notify (G_OBJECT (dst)); /* ifindex */ if (src_priv->ifindex != dst_priv->ifindex) { dst_priv->ifindex = src_priv->ifindex; has_minor_changes = TRUE; } /* addresses */ head_entry_src = nm_ip6_config_lookup_addresses (src); nm_dedup_multi_iter_init (&ipconf_iter_src, head_entry_src); nm_ip_config_iter_ip6_address_init (&ipconf_iter_dst, dst); are_equal = TRUE; while (TRUE) { gboolean has; const NMPlatformIP6Address *r_src = NULL; const NMPlatformIP6Address *r_dst = NULL; has = nm_ip_config_iter_ip6_address_next (&ipconf_iter_src, &r_src); if (has != nm_ip_config_iter_ip6_address_next (&ipconf_iter_dst, &r_dst)) { are_equal = FALSE; has_relevant_changes = TRUE; break; } if (!has) break; if (nm_platform_ip6_address_cmp (r_src, r_dst) != 0) { are_equal = FALSE; if ( !IN6_ARE_ADDR_EQUAL (&r_src->address, &r_dst->address) || r_src->plen != r_dst->plen || !IN6_ARE_ADDR_EQUAL (nm_platform_ip6_address_get_peer (r_src), nm_platform_ip6_address_get_peer (r_dst))) { has_relevant_changes = TRUE; break; } } } if (!are_equal) { has_minor_changes = TRUE; nm_dedup_multi_index_dirty_set_idx (dst_priv->multi_idx, &dst_priv->idx_ip6_addresses); nm_dedup_multi_iter_for_each (&ipconf_iter_src, head_entry_src) { _nm_ip_config_add_obj (dst_priv->multi_idx, &dst_priv->idx_ip6_addresses_, dst_priv->ifindex, ipconf_iter_src.current->obj, NULL, FALSE, TRUE, NULL, NULL); } nm_dedup_multi_index_dirty_remove_idx (dst_priv->multi_idx, &dst_priv->idx_ip6_addresses, FALSE); _notify_addresses (dst); } /* routes */ head_entry_src = nm_ip6_config_lookup_routes (src); nm_dedup_multi_iter_init (&ipconf_iter_src, head_entry_src); nm_ip_config_iter_ip6_route_init (&ipconf_iter_dst, dst); are_equal = TRUE; while (TRUE) { gboolean has; const NMPlatformIP6Route *r_src = NULL; const NMPlatformIP6Route *r_dst = NULL; has = nm_ip_config_iter_ip6_route_next (&ipconf_iter_src, &r_src); if (has != nm_ip_config_iter_ip6_route_next (&ipconf_iter_dst, &r_dst)) { are_equal = FALSE; has_relevant_changes = TRUE; break; } if (!has) break; if (nm_platform_ip6_route_cmp_full (r_src, r_dst) != 0) { are_equal = FALSE; if ( r_src->plen != r_dst->plen || !nm_utils_ip6_address_same_prefix (&r_src->network, &r_dst->network, r_src->plen) || r_src->metric != r_dst->metric || !IN6_ARE_ADDR_EQUAL (&r_src->gateway, &r_dst->gateway)) { has_relevant_changes = TRUE; break; } } } if (!are_equal) { has_minor_changes = TRUE; new_best_default_route = NULL; nm_dedup_multi_index_dirty_set_idx (dst_priv->multi_idx, &dst_priv->idx_ip6_routes); nm_dedup_multi_iter_for_each (&ipconf_iter_src, head_entry_src) { const NMPObject *o = ipconf_iter_src.current->obj; const NMPObject *obj_new; _nm_ip_config_add_obj (dst_priv->multi_idx, &dst_priv->idx_ip6_routes_, dst_priv->ifindex, o, NULL, FALSE, TRUE, NULL, &obj_new); new_best_default_route = _nm_ip_config_best_default_route_find_better (new_best_default_route, obj_new); } nm_dedup_multi_index_dirty_remove_idx (dst_priv->multi_idx, &dst_priv->idx_ip6_routes, FALSE); if (_nm_ip_config_best_default_route_set (&dst_priv->best_default_route, new_best_default_route)) _notify (dst, PROP_GATEWAY); _notify_routes (dst); } /* nameservers */ num = nm_ip6_config_get_num_nameservers (src); are_equal = num == nm_ip6_config_get_num_nameservers (dst); if (are_equal) { for (i = 0; i < num; i++ ) { if (!IN6_ARE_ADDR_EQUAL (nm_ip6_config_get_nameserver (src, i), nm_ip6_config_get_nameserver (dst, i))) { are_equal = FALSE; break; } } } if (!are_equal) { nm_ip6_config_reset_nameservers (dst); for (i = 0; i < num; i++) nm_ip6_config_add_nameserver (dst, nm_ip6_config_get_nameserver (src, i)); has_relevant_changes = TRUE; } /* domains */ num = nm_ip6_config_get_num_domains (src); are_equal = num == nm_ip6_config_get_num_domains (dst); if (are_equal) { for (i = 0; i < num; i++ ) { if (g_strcmp0 (nm_ip6_config_get_domain (src, i), nm_ip6_config_get_domain (dst, i))) { are_equal = FALSE; break; } } } if (!are_equal) { nm_ip6_config_reset_domains (dst); for (i = 0; i < num; i++) nm_ip6_config_add_domain (dst, nm_ip6_config_get_domain (src, i)); has_relevant_changes = TRUE; } /* dns searches */ num = nm_ip6_config_get_num_searches (src); are_equal = num == nm_ip6_config_get_num_searches (dst); if (are_equal) { for (i = 0; i < num; i++ ) { if (g_strcmp0 (nm_ip6_config_get_search (src, i), nm_ip6_config_get_search (dst, i))) { are_equal = FALSE; break; } } } if (!are_equal) { nm_ip6_config_reset_searches (dst); for (i = 0; i < num; i++) nm_ip6_config_add_search (dst, nm_ip6_config_get_search (src, i)); has_relevant_changes = TRUE; } /* dns options */ num = nm_ip6_config_get_num_dns_options (src); are_equal = num == nm_ip6_config_get_num_dns_options (dst); if (are_equal) { for (i = 0; i < num; i++ ) { if (g_strcmp0 (nm_ip6_config_get_dns_option (src, i), nm_ip6_config_get_dns_option (dst, i))) { are_equal = FALSE; break; } } } if (!are_equal) { nm_ip6_config_reset_dns_options (dst); for (i = 0; i < num; i++) nm_ip6_config_add_dns_option (dst, nm_ip6_config_get_dns_option (src, i)); has_relevant_changes = TRUE; } /* DNS priority */ if (src_priv->dns_priority != dst_priv->dns_priority) { nm_ip6_config_set_dns_priority (dst, src_priv->dns_priority); has_minor_changes = TRUE; } if (src_priv->privacy != dst_priv->privacy) { nm_ip6_config_set_privacy (dst, src_priv->privacy); has_minor_changes = TRUE; } #if NM_MORE_ASSERTS /* config_equal does not compare *all* the fields, therefore, we might have has_minor_changes * regardless of config_equal. But config_equal must correspond to has_relevant_changes. */ nm_assert (config_equal == !has_relevant_changes); #endif g_object_thaw_notify (G_OBJECT (dst)); if (relevant_changes) *relevant_changes = has_relevant_changes; return has_relevant_changes || has_minor_changes; } void nm_ip6_config_dump (const NMIP6Config *self, const char *detail) { const struct in6_addr *tmp; guint32 i; const char *str; NMDedupMultiIter ipconf_iter; const NMPlatformIP6Address *address; const NMPlatformIP6Route *route; g_return_if_fail (self != NULL); g_message ("--------- NMIP6Config %p (%s)", self, detail); str = nm_dbus_object_get_path (NM_DBUS_OBJECT (self)); if (str) g_message (" path: %s", str); /* addresses */ nm_ip_config_iter_ip6_address_for_each (&ipconf_iter, self, &address) g_message (" a: %s", nm_platform_ip6_address_to_string (address, NULL, 0)); /* nameservers */ for (i = 0; i < nm_ip6_config_get_num_nameservers (self); i++) { tmp = nm_ip6_config_get_nameserver (self, i); g_message (" ns: %s", nm_utils_inet6_ntop (tmp, NULL)); } /* routes */ nm_ip_config_iter_ip6_route_for_each (&ipconf_iter, self, &route) g_message (" rt: %s", nm_platform_ip6_route_to_string (route, NULL, 0)); /* domains */ for (i = 0; i < nm_ip6_config_get_num_domains (self); i++) g_message (" domain: %s", nm_ip6_config_get_domain (self, i)); /* dns searches */ for (i = 0; i < nm_ip6_config_get_num_searches (self); i++) g_message (" search: %s", nm_ip6_config_get_search (self, i)); /* dns options */ for (i = 0; i < nm_ip6_config_get_num_dns_options (self); i++) g_message (" dnsopt: %s", nm_ip6_config_get_dns_option (self, i)); g_message (" dnspri: %d", nm_ip6_config_get_dns_priority (self)); } /*****************************************************************************/ void nm_ip6_config_reset_addresses_ndisc (NMIP6Config *self, const NMNDiscAddress *addresses, guint addresses_n, guint8 plen, guint32 ifa_flags) { NMIP6ConfigPrivate *priv; guint i; gboolean changed = FALSE; g_return_if_fail (NM_IS_IP6_CONFIG (self)); priv = NM_IP6_CONFIG_GET_PRIVATE (self); g_return_if_fail (priv->ifindex > 0); nm_dedup_multi_index_dirty_set_idx (priv->multi_idx, &priv->idx_ip6_addresses); for (i = 0; i < addresses_n; i++) { const NMNDiscAddress *ndisc_addr = &addresses[i]; NMPObject obj; NMPlatformIP6Address *a; nmp_object_stackinit (&obj, NMP_OBJECT_TYPE_IP6_ADDRESS, NULL); a = NMP_OBJECT_CAST_IP6_ADDRESS (&obj); a->ifindex = priv->ifindex; a->address = ndisc_addr->address; a->plen = plen; a->timestamp = ndisc_addr->timestamp; a->lifetime = ndisc_addr->lifetime; a->preferred = MIN (ndisc_addr->lifetime, ndisc_addr->preferred); a->addr_source = NM_IP_CONFIG_SOURCE_NDISC; a->n_ifa_flags = ifa_flags; if (_nm_ip_config_add_obj (priv->multi_idx, &priv->idx_ip6_addresses_, priv->ifindex, &obj, NULL, FALSE, TRUE, NULL, NULL)) changed = TRUE; } if (nm_dedup_multi_index_dirty_remove_idx (priv->multi_idx, &priv->idx_ip6_addresses, FALSE) > 0) changed = TRUE; if (changed) _notify_addresses (self); } void nm_ip6_config_reset_addresses (NMIP6Config *self) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); if (nm_dedup_multi_index_remove_idx (priv->multi_idx, &priv->idx_ip6_addresses) > 0) _notify_addresses (self); } static void _add_address (NMIP6Config *self, const NMPObject *obj_new, const NMPlatformIP6Address *new) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); if (_nm_ip_config_add_obj (priv->multi_idx, &priv->idx_ip6_addresses_, priv->ifindex, obj_new, (const NMPlatformObject *) new, TRUE, FALSE, NULL, NULL)) _notify_addresses (self); } /** * nm_ip6_config_add_address: * @self: the #NMIP6Config * @new: the new address to add to @self * * Adds the new address to @self. If an address with the same basic properties * (address, prefix) already exists in @self, it is overwritten with the * lifetime and preferred of @new. The source is also overwritten by the source * from @new if that source is higher priority. */ void nm_ip6_config_add_address (NMIP6Config *self, const NMPlatformIP6Address *new) { g_return_if_fail (self); g_return_if_fail (new); g_return_if_fail (new->plen > 0 && new->plen <= 128); g_return_if_fail (NM_IP6_CONFIG_GET_PRIVATE (self)->ifindex > 0); _add_address (self, NULL, new); } void _nmtst_ip6_config_del_address (NMIP6Config *self, guint i) { const NMPlatformIP6Address *a; a = _nmtst_ip6_config_get_address (self, i); if (!nm_ip6_config_nmpobj_remove (self, NMP_OBJECT_UP_CAST (a))) g_assert_not_reached (); } guint nm_ip6_config_get_num_addresses (const NMIP6Config *self) { const NMDedupMultiHeadEntry *head_entry; head_entry = nm_ip6_config_lookup_addresses (self); return head_entry ? head_entry->len : 0; } const NMPlatformIP6Address * nm_ip6_config_get_first_address (const NMIP6Config *self) { NMDedupMultiIter iter; const NMPlatformIP6Address *a = NULL; nm_ip_config_iter_ip6_address_for_each (&iter, self, &a) return a; return NULL; } const NMPlatformIP6Address * _nmtst_ip6_config_get_address (const NMIP6Config *self, guint i) { NMDedupMultiIter iter; const NMPlatformIP6Address *a = NULL; guint j; j = 0; nm_ip_config_iter_ip6_address_for_each (&iter, self, &a) { if (i == j) return a; j++; } g_return_val_if_reached (NULL); } const NMPlatformIP6Address * nm_ip6_config_lookup_address (const NMIP6Config *self, const struct in6_addr *addr) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); NMPObject obj_stack; const NMDedupMultiEntry *entry; nmp_object_stackinit_id_ip6_address (&obj_stack, priv->ifindex, addr); entry = nm_dedup_multi_index_lookup_obj (priv->multi_idx, &priv->idx_ip6_addresses, &obj_stack); return entry ? NMP_OBJECT_CAST_IP6_ADDRESS (entry->obj) : NULL; } const NMPlatformIP6Address * nm_ip6_config_find_first_address (const NMIP6Config *self, NMPlatformMatchFlags match_flag) { const NMPlatformIP6Address *addr; NMDedupMultiIter iter; g_return_val_if_fail (NM_IS_IP6_CONFIG (self), NULL); nm_assert (!NM_FLAGS_ANY (match_flag, ~( NM_PLATFORM_MATCH_WITH_ADDRTYPE__ANY | NM_PLATFORM_MATCH_WITH_ADDRSTATE__ANY))); nm_assert (NM_FLAGS_ANY (match_flag, NM_PLATFORM_MATCH_WITH_ADDRTYPE__ANY)); nm_assert (NM_FLAGS_ANY (match_flag, NM_PLATFORM_MATCH_WITH_ADDRSTATE__ANY)); nm_ip_config_iter_ip6_address_for_each (&iter, self, &addr) { if (IN6_IS_ADDR_LINKLOCAL (&addr->address)) { if (!NM_FLAGS_HAS (match_flag, NM_PLATFORM_MATCH_WITH_ADDRTYPE_LINKLOCAL)) continue; } else { if (!NM_FLAGS_HAS (match_flag, NM_PLATFORM_MATCH_WITH_ADDRTYPE_NORMAL)) continue; } if (NM_FLAGS_HAS (addr->n_ifa_flags, IFA_F_DADFAILED)) { if (!NM_FLAGS_HAS (match_flag, NM_PLATFORM_MATCH_WITH_ADDRSTATE_DADFAILED)) continue; } else if ( NM_FLAGS_HAS (addr->n_ifa_flags, IFA_F_TENTATIVE) && !NM_FLAGS_HAS (addr->n_ifa_flags, IFA_F_OPTIMISTIC)) { if (!NM_FLAGS_HAS (match_flag, NM_PLATFORM_MATCH_WITH_ADDRSTATE_TENTATIVE)) continue; } else { if (!NM_FLAGS_HAS (match_flag, NM_PLATFORM_MATCH_WITH_ADDRSTATE_NORMAL)) continue; } return addr; } return NULL; } /** * nm_ip6_config_has_dad_pending_addresses * @self: configuration containing the addresses to check * @candidates: configuration with the list of addresses we are * interested in * * Check whether there are addresses with DAD pending in @self, that * are also contained in @candidates. * * Returns: %TRUE if at least one matching address was found, %FALSE * otherwise */ gboolean nm_ip6_config_has_any_dad_pending (const NMIP6Config *self, const NMIP6Config *candidates) { NMDedupMultiIter ipconf_iter; const NMPlatformIP6Address *addr, *addr_c; nm_ip_config_iter_ip6_address_for_each (&ipconf_iter, self, &addr) { if ( NM_FLAGS_HAS (addr->n_ifa_flags, IFA_F_TENTATIVE) && !NM_FLAGS_HAS (addr->n_ifa_flags, IFA_F_DADFAILED) && !NM_FLAGS_HAS (addr->n_ifa_flags, IFA_F_OPTIMISTIC)) { addr_c = nm_ip6_config_lookup_address (candidates, &addr->address); if (addr_c) { if (addr->plen == addr_c->plen) return TRUE; } } } return FALSE; } /*****************************************************************************/ static const NMDedupMultiEntry * _lookup_route (const NMIP6Config *self, const NMPObject *needle, NMPlatformIPRouteCmpType cmp_type) { const NMIP6ConfigPrivate *priv; nm_assert (NM_IS_IP6_CONFIG (self)); nm_assert (NMP_OBJECT_GET_TYPE (needle) == NMP_OBJECT_TYPE_IP6_ROUTE); priv = NM_IP6_CONFIG_GET_PRIVATE (self); return _nm_ip_config_lookup_ip_route (priv->multi_idx, &priv->idx_ip6_routes_, needle, cmp_type); } void nm_ip6_config_reset_routes_ndisc (NMIP6Config *self, const NMNDiscGateway *gateways, guint gateways_n, const NMNDiscRoute *routes, guint routes_n, guint32 route_table, guint32 route_metric, gboolean kernel_support_rta_pref) { NMIP6ConfigPrivate *priv; guint i; gboolean changed = FALSE; const NMPObject *new_best_default_route; g_return_if_fail (NM_IS_IP6_CONFIG (self)); priv = NM_IP6_CONFIG_GET_PRIVATE (self); g_return_if_fail (priv->ifindex > 0); nm_dedup_multi_index_dirty_set_idx (priv->multi_idx, &priv->idx_ip6_routes); new_best_default_route = NULL; for (i = 0; i < routes_n; i++) { const NMNDiscRoute *ndisc_route = &routes[i]; NMPObject obj; const NMPObject *obj_new; NMPlatformIP6Route *r; nmp_object_stackinit (&obj, NMP_OBJECT_TYPE_IP6_ROUTE, NULL); r = NMP_OBJECT_CAST_IP6_ROUTE (&obj); r->ifindex = priv->ifindex; r->network = ndisc_route->network; r->plen = ndisc_route->plen; r->gateway = ndisc_route->gateway; r->rt_source = NM_IP_CONFIG_SOURCE_NDISC; r->table_coerced = nm_platform_route_table_coerce (route_table); r->metric = route_metric; r->rt_pref = ndisc_route->preference; nm_assert ((NMIcmpv6RouterPref) r->rt_pref == ndisc_route->preference); if (_nm_ip_config_add_obj (priv->multi_idx, &priv->idx_ip6_routes_, priv->ifindex, &obj, NULL, FALSE, TRUE, NULL, &obj_new)) changed = TRUE; new_best_default_route = _nm_ip_config_best_default_route_find_better (new_best_default_route, obj_new); } if (gateways_n) { const NMPObject *obj_new; NMPlatformIP6Route r = { .rt_source = NM_IP_CONFIG_SOURCE_NDISC, .ifindex = priv->ifindex, .table_coerced = nm_platform_route_table_coerce (route_table), .metric = route_metric, }; const NMIcmpv6RouterPref first_pref = gateways[0].preference; for (i = 0; i < gateways_n; i++) { r.gateway = gateways[i].address; r.rt_pref = gateways[i].preference; nm_assert ((NMIcmpv6RouterPref) r.rt_pref == gateways[i].preference); if (_nm_ip_config_add_obj (priv->multi_idx, &priv->idx_ip6_routes_, priv->ifindex, NULL, (const NMPlatformObject *) &r, FALSE, TRUE, NULL, &obj_new)) changed = TRUE; new_best_default_route = _nm_ip_config_best_default_route_find_better (new_best_default_route, obj_new); if ( first_pref != gateways[i].preference && !kernel_support_rta_pref) { /* We are unable to configure a router preference. Hence, we skip all gateways * with a different preference from the first gateway. Note, that the gateways * are sorted in order of highest to lowest preference. */ break; } } } if (nm_dedup_multi_index_dirty_remove_idx (priv->multi_idx, &priv->idx_ip6_routes, FALSE) > 0) changed = TRUE; if (_nm_ip_config_best_default_route_set (&priv->best_default_route, new_best_default_route)) { changed = TRUE; _notify (self, PROP_GATEWAY); } if (changed) _notify_routes (self); } void nm_ip6_config_reset_routes (NMIP6Config *self) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); if (nm_dedup_multi_index_remove_idx (priv->multi_idx, &priv->idx_ip6_routes) > 0) { if (nm_clear_nmp_object (&priv->best_default_route)) _notify (self, PROP_GATEWAY); _notify_routes (self); } } static void _add_route (NMIP6Config *self, const NMPObject *obj_new, const NMPlatformIP6Route *new, const NMPObject **out_obj_new) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); nm_auto_nmpobj const NMPObject *obj_old = NULL; const NMPObject *obj_new_2; nm_assert ((!new) != (!obj_new)); nm_assert (!new || _route_valid (new)); nm_assert (!obj_new || _route_valid (NMP_OBJECT_CAST_IP6_ROUTE (obj_new))); if (_nm_ip_config_add_obj (priv->multi_idx, &priv->idx_ip6_routes_, priv->ifindex, obj_new, (const NMPlatformObject *) new, TRUE, FALSE, &obj_old, &obj_new_2)) { gboolean changed_default_route = FALSE; if ( priv->best_default_route == obj_old && obj_old != obj_new_2) { changed_default_route = TRUE; nm_clear_nmp_object (&priv->best_default_route); } NM_SET_OUT (out_obj_new, nmp_object_ref (obj_new_2)); if (_nm_ip_config_best_default_route_merge (&priv->best_default_route, obj_new_2)) changed_default_route = TRUE; if (changed_default_route) _notify (self, PROP_GATEWAY); _notify_routes (self); } else NM_SET_OUT (out_obj_new, nmp_object_ref (obj_new_2)); } /** * nm_ip6_config_add_route: * @self: the #NMIP6Config * @new: the new route to add to @self * @out_obj_new: (allow-none): (out): the added route object. Must be unrefed * by caller. * * Adds the new route to @self. If a route with the same basic properties * (network, prefix) already exists in @self, it is overwritten including the * gateway and metric of @new. The source is also overwritten by the source * from @new if that source is higher priority. */ void nm_ip6_config_add_route (NMIP6Config *self, const NMPlatformIP6Route *new, const NMPObject **out_obj_new) { g_return_if_fail (self); g_return_if_fail (new); g_return_if_fail (new->plen <= 128); g_return_if_fail (NM_IP6_CONFIG_GET_PRIVATE (self)->ifindex > 0); _add_route (self, NULL, new, out_obj_new); } void _nmtst_ip6_config_del_route (NMIP6Config *self, guint i) { const NMPlatformIP6Route *r; r = _nmtst_ip6_config_get_route (self, i); if (!nm_ip6_config_nmpobj_remove (self, NMP_OBJECT_UP_CAST (r))) g_assert_not_reached (); } guint nm_ip6_config_get_num_routes (const NMIP6Config *self) { const NMDedupMultiHeadEntry *head_entry; head_entry = nm_ip6_config_lookup_routes (self); nm_assert (!head_entry || head_entry->len == c_list_length (&head_entry->lst_entries_head)); return head_entry ? head_entry->len : 0; } const NMPlatformIP6Route * _nmtst_ip6_config_get_route (const NMIP6Config *self, guint i) { NMDedupMultiIter iter; const NMPlatformIP6Route *r = NULL; guint j; j = 0; nm_ip_config_iter_ip6_route_for_each (&iter, self, &r) { if (i == j) return r; j++; } g_return_val_if_reached (NULL); } const NMPlatformIP6Route * nm_ip6_config_get_direct_route_for_host (const NMIP6Config *self, const struct in6_addr *host, guint32 route_table) { const NMPlatformIP6Route *best_route = NULL; const NMPlatformIP6Route *item; NMDedupMultiIter ipconf_iter; g_return_val_if_fail (host && !IN6_IS_ADDR_UNSPECIFIED (host), NULL); nm_ip_config_iter_ip6_route_for_each (&ipconf_iter, self, &item) { if (!IN6_IS_ADDR_UNSPECIFIED (&item->gateway)) continue; if (best_route && best_route->plen > item->plen) continue; if (nm_platform_route_table_uncoerce (item->table_coerced, TRUE) != route_table) continue; if (!nm_utils_ip6_address_same_prefix (host, &item->network, item->plen)) continue; if (best_route && nm_utils_ip6_route_metric_normalize (best_route->metric) <= nm_utils_ip6_route_metric_normalize (item->metric)) continue; best_route = item; } return best_route; } const NMPlatformIP6Address * nm_ip6_config_get_subnet_for_host (const NMIP6Config *self, const struct in6_addr *host) { NMDedupMultiIter iter; const NMPlatformIP6Address *item; const NMPlatformIP6Address *subnet = NULL; struct in6_addr subnet2, host2; g_return_val_if_fail (host && !IN6_IS_ADDR_UNSPECIFIED (host), NULL); nm_ip_config_iter_ip6_address_for_each (&iter, self, &item) { if (subnet && subnet->plen >= item->plen) continue; nm_utils_ip6_address_clear_host_address (&host2, host, item->plen); nm_utils_ip6_address_clear_host_address (&subnet2, &item->address, item->plen); if (IN6_ARE_ADDR_EQUAL (&subnet2, &host2)) subnet = item; } return subnet; } /*****************************************************************************/ void nm_ip6_config_reset_nameservers (NMIP6Config *self) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); if (priv->nameservers->len != 0) { g_array_set_size (priv->nameservers, 0); _notify (self, PROP_NAMESERVERS); } } void nm_ip6_config_add_nameserver (NMIP6Config *self, const struct in6_addr *new) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); int i; g_return_if_fail (new != NULL); for (i = 0; i < priv->nameservers->len; i++) if (IN6_ARE_ADDR_EQUAL (new, &g_array_index (priv->nameservers, struct in6_addr, i))) return; g_array_append_val (priv->nameservers, *new); _notify (self, PROP_NAMESERVERS); } void nm_ip6_config_del_nameserver (NMIP6Config *self, guint i) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); g_return_if_fail (i < priv->nameservers->len); g_array_remove_index (priv->nameservers, i); _notify (self, PROP_NAMESERVERS); } guint nm_ip6_config_get_num_nameservers (const NMIP6Config *self) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); return priv->nameservers->len; } const struct in6_addr * nm_ip6_config_get_nameserver (const NMIP6Config *self, guint i) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); return &g_array_index (priv->nameservers, struct in6_addr, i); } /*****************************************************************************/ void nm_ip6_config_reset_domains (NMIP6Config *self) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); if (priv->domains->len != 0) { g_ptr_array_set_size (priv->domains, 0); _notify (self, PROP_DOMAINS); } } void nm_ip6_config_add_domain (NMIP6Config *self, const char *domain) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); if (_nm_ip_config_check_and_add_domain (priv->domains, domain)) _notify (self, PROP_DOMAINS); } void nm_ip6_config_del_domain (NMIP6Config *self, guint i) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); g_return_if_fail (i < priv->domains->len); g_ptr_array_remove_index (priv->domains, i); _notify (self, PROP_DOMAINS); } guint nm_ip6_config_get_num_domains (const NMIP6Config *self) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); return priv->domains->len; } const char * nm_ip6_config_get_domain (const NMIP6Config *self, guint i) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); return g_ptr_array_index (priv->domains, i); } /*****************************************************************************/ void nm_ip6_config_reset_searches (NMIP6Config *self) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); if (priv->searches->len != 0) { g_ptr_array_set_size (priv->searches, 0); _notify (self, PROP_SEARCHES); } } void nm_ip6_config_add_search (NMIP6Config *self, const char *search) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); if (_nm_ip_config_check_and_add_domain (priv->searches, search)) _notify (self, PROP_SEARCHES); } void nm_ip6_config_del_search (NMIP6Config *self, guint i) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); g_return_if_fail (i < priv->searches->len); g_ptr_array_remove_index (priv->searches, i); _notify (self, PROP_SEARCHES); } guint nm_ip6_config_get_num_searches (const NMIP6Config *self) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); return priv->searches->len; } const char * nm_ip6_config_get_search (const NMIP6Config *self, guint i) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); return g_ptr_array_index (priv->searches, i); } /*****************************************************************************/ void nm_ip6_config_reset_dns_options (NMIP6Config *self) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); if (priv->dns_options->len != 0) { g_ptr_array_set_size (priv->dns_options, 0); _notify (self, PROP_DNS_OPTIONS); } } void nm_ip6_config_add_dns_option (NMIP6Config *self, const char *new) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); int i; g_return_if_fail (new != NULL); g_return_if_fail (new[0] != '\0'); for (i = 0; i < priv->dns_options->len; i++) if (!g_strcmp0 (g_ptr_array_index (priv->dns_options, i), new)) return; g_ptr_array_add (priv->dns_options, g_strdup (new)); _notify (self, PROP_DNS_OPTIONS); } void nm_ip6_config_del_dns_option (NMIP6Config *self, guint i) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); g_return_if_fail (i < priv->dns_options->len); g_ptr_array_remove_index (priv->dns_options, i); _notify (self, PROP_DNS_OPTIONS); } guint nm_ip6_config_get_num_dns_options (const NMIP6Config *self) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); return priv->dns_options->len; } const char * nm_ip6_config_get_dns_option (const NMIP6Config *self, guint i) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); return g_ptr_array_index (priv->dns_options, i); } /*****************************************************************************/ void nm_ip6_config_set_dns_priority (NMIP6Config *self, int priority) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); if (priority != priv->dns_priority) { priv->dns_priority = priority; _notify (self, PROP_DNS_PRIORITY); } } int nm_ip6_config_get_dns_priority (const NMIP6Config *self) { const NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); return priv->dns_priority; } /*****************************************************************************/ const NMPObject * nm_ip6_config_nmpobj_lookup (const NMIP6Config *self, const NMPObject *needle) { const NMIP6ConfigPrivate *priv; const NMDedupMultiIdxType *idx_type; g_return_val_if_fail (NM_IS_IP6_CONFIG (self), NULL); priv = NM_IP6_CONFIG_GET_PRIVATE (self); switch (NMP_OBJECT_GET_TYPE (needle)) { case NMP_OBJECT_TYPE_IP6_ADDRESS: idx_type = &priv->idx_ip6_addresses; break; case NMP_OBJECT_TYPE_IP6_ROUTE: idx_type = &priv->idx_ip6_routes; break; default: g_return_val_if_reached (NULL); } return nm_dedup_multi_entry_get_obj (nm_dedup_multi_index_lookup_obj (priv->multi_idx, idx_type, needle)); } gboolean nm_ip6_config_nmpobj_remove (NMIP6Config *self, const NMPObject *needle) { NMIP6ConfigPrivate *priv; NMDedupMultiIdxType *idx_type; nm_auto_nmpobj const NMPObject *obj_old = NULL; guint n; g_return_val_if_fail (NM_IS_IP6_CONFIG (self), FALSE); priv = NM_IP6_CONFIG_GET_PRIVATE (self); switch (NMP_OBJECT_GET_TYPE (needle)) { case NMP_OBJECT_TYPE_IP6_ADDRESS: idx_type = &priv->idx_ip6_addresses; break; case NMP_OBJECT_TYPE_IP6_ROUTE: idx_type = &priv->idx_ip6_routes; break; default: g_return_val_if_reached (FALSE); } n = nm_dedup_multi_index_remove_obj (priv->multi_idx, idx_type, needle, (gconstpointer *) &obj_old); if (n != 1) { nm_assert (n == 0); return FALSE; } nm_assert (NMP_OBJECT_GET_TYPE (obj_old) == NMP_OBJECT_GET_TYPE (needle)); switch (NMP_OBJECT_GET_TYPE (obj_old)) { case NMP_OBJECT_TYPE_IP6_ADDRESS: _notify_addresses (self); break; case NMP_OBJECT_TYPE_IP6_ROUTE: if (priv->best_default_route == obj_old) { if (_nm_ip_config_best_default_route_set (&priv->best_default_route, _nm_ip6_config_best_default_route_find (self))) _notify (self, PROP_GATEWAY); } _notify_routes (self); break; default: nm_assert_not_reached (); } return TRUE; } /*****************************************************************************/ static inline void hash_u32 (GChecksum *sum, guint32 n) { g_checksum_update (sum, (const guint8 *) &n, sizeof (n)); } static inline void hash_in6addr (GChecksum *sum, const struct in6_addr *a) { if (a) g_checksum_update (sum, (const guint8 *) a, sizeof (*a)); else g_checksum_update (sum, (const guint8 *) &in6addr_any, sizeof (in6addr_any)); } void nm_ip6_config_hash (const NMIP6Config *self, GChecksum *sum, gboolean dns_only) { guint32 i; const char *s; NMDedupMultiIter ipconf_iter; const NMPlatformIP6Address *address; const NMPlatformIP6Route *route; g_return_if_fail (self); g_return_if_fail (sum); if (dns_only == FALSE) { nm_ip_config_iter_ip6_address_for_each (&ipconf_iter, self, &address) { hash_in6addr (sum, &address->address); hash_u32 (sum, address->plen); } nm_ip_config_iter_ip6_route_for_each (&ipconf_iter, self, &route) { hash_in6addr (sum, &route->network); hash_u32 (sum, route->plen); hash_in6addr (sum, &route->gateway); hash_u32 (sum, route->metric); } } for (i = 0; i < nm_ip6_config_get_num_nameservers (self); i++) hash_in6addr (sum, nm_ip6_config_get_nameserver (self, i)); for (i = 0; i < nm_ip6_config_get_num_domains (self); i++) { s = nm_ip6_config_get_domain (self, i); g_checksum_update (sum, (const guint8 *) s, strlen (s)); } for (i = 0; i < nm_ip6_config_get_num_searches (self); i++) { s = nm_ip6_config_get_search (self, i); g_checksum_update (sum, (const guint8 *) s, strlen (s)); } for (i = 0; i < nm_ip6_config_get_num_dns_options (self); i++) { s = nm_ip6_config_get_dns_option (self, i); g_checksum_update (sum, (const guint8 *) s, strlen (s)); } } /** * nm_ip6_config_equal: * @a: first config to compare * @b: second config to compare * * Compares two #NMIP6Configs for basic equality. This means that all * attributes must exist in the same order in both configs (addresses, routes, * domains, DNS servers, etc) but some attributes (address lifetimes, and address * and route sources) are ignored. * * Returns: %TRUE if the configurations are basically equal to each other, * %FALSE if not */ gboolean nm_ip6_config_equal (const NMIP6Config *a, const NMIP6Config *b) { GChecksum *a_checksum = g_checksum_new (G_CHECKSUM_SHA1); GChecksum *b_checksum = g_checksum_new (G_CHECKSUM_SHA1); guchar a_data[20], b_data[20]; gsize a_len = sizeof (a_data); gsize b_len = sizeof (b_data); gboolean equal; if (a) nm_ip6_config_hash (a, a_checksum, FALSE); if (b) nm_ip6_config_hash (b, b_checksum, FALSE); g_checksum_get_digest (a_checksum, a_data, &a_len); g_checksum_get_digest (b_checksum, b_data, &b_len); nm_assert (a_len == sizeof (a_data)); nm_assert (b_len == sizeof (b_data)); equal = !memcmp (a_data, b_data, a_len); g_checksum_free (a_checksum); g_checksum_free (b_checksum); return equal; } /*****************************************************************************/ static void nameservers_to_gvalue (GArray *array, GValue *value) { GVariantBuilder builder; guint i = 0; g_variant_builder_init (&builder, G_VARIANT_TYPE ("aay")); while (array && (i < array->len)) { struct in6_addr *addr; addr = &g_array_index (array, struct in6_addr, i++); g_variant_builder_add (&builder, "@ay", g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE, addr, 16, 1)); } g_value_take_variant (value, g_variant_builder_end (&builder)); } static void get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { NMIP6Config *self = NM_IP6_CONFIG (object); NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); const NMDedupMultiHeadEntry *head_entry; NMDedupMultiIter ipconf_iter; const NMPlatformIP6Route *route; GVariantBuilder builder_data, builder_legacy; switch (prop_id) { case PROP_IFINDEX: g_value_set_int (value, priv->ifindex); break; case PROP_ADDRESS_DATA: case PROP_ADDRESSES: nm_assert (!!priv->address_data_variant == !!priv->addresses_variant); if (priv->address_data_variant) goto out_addresses_cached; g_variant_builder_init (&builder_data, G_VARIANT_TYPE ("aa{sv}")); g_variant_builder_init (&builder_legacy, G_VARIANT_TYPE ("a(ayuay)")); head_entry = nm_ip6_config_lookup_addresses (self); if (head_entry) { gs_free const NMPObject **addresses = NULL; guint naddr, i; addresses = (const NMPObject **) nm_dedup_multi_objs_to_array_head (head_entry, NULL, NULL, &naddr); nm_assert (addresses && naddr); g_qsort_with_data (addresses, naddr, sizeof (addresses[0]), _addresses_sort_cmp_prop, GINT_TO_POINTER (priv->privacy)); for (i = 0; i < naddr; i++) { GVariantBuilder addr_builder; const NMPlatformIP6Address *address = NMP_OBJECT_CAST_IP6_ADDRESS (addresses[i]); g_variant_builder_init (&addr_builder, G_VARIANT_TYPE ("a{sv}")); g_variant_builder_add (&addr_builder, "{sv}", "address", g_variant_new_string (nm_utils_inet6_ntop (&address->address, NULL))); g_variant_builder_add (&addr_builder, "{sv}", "prefix", g_variant_new_uint32 (address->plen)); if ( !IN6_IS_ADDR_UNSPECIFIED (&address->peer_address) && !IN6_ARE_ADDR_EQUAL (&address->peer_address, &address->address)) { g_variant_builder_add (&addr_builder, "{sv}", "peer", g_variant_new_string (nm_utils_inet6_ntop (&address->peer_address, NULL))); } g_variant_builder_add (&builder_data, "a{sv}", &addr_builder); g_variant_builder_add (&builder_legacy, "(@ayu@ay)", g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE, &address->address, 16, 1), address->plen, g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE, ( i == 0 && priv->best_default_route) ? &NMP_OBJECT_CAST_IP6_ROUTE (priv->best_default_route)->gateway : &in6addr_any, 16, 1)); } } priv->address_data_variant = g_variant_ref_sink (g_variant_builder_end (&builder_data)); priv->addresses_variant = g_variant_ref_sink (g_variant_builder_end (&builder_legacy)); out_addresses_cached: g_value_set_variant (value, prop_id == PROP_ADDRESS_DATA ? priv->address_data_variant : priv->addresses_variant); break; case PROP_ROUTE_DATA: case PROP_ROUTES: nm_assert (!!priv->route_data_variant == !!priv->routes_variant); if (priv->route_data_variant) goto out_routes_cached; g_variant_builder_init (&builder_data, G_VARIANT_TYPE ("aa{sv}")); g_variant_builder_init (&builder_legacy, G_VARIANT_TYPE ("a(ayuayu)")); nm_ip_config_iter_ip6_route_for_each (&ipconf_iter, self, &route) { GVariantBuilder route_builder; nm_assert (_route_valid (route)); g_variant_builder_init (&route_builder, G_VARIANT_TYPE ("a{sv}")); g_variant_builder_add (&route_builder, "{sv}", "dest", g_variant_new_string (nm_utils_inet6_ntop (&route->network, NULL))); g_variant_builder_add (&route_builder, "{sv}", "prefix", g_variant_new_uint32 (route->plen)); if (!IN6_IS_ADDR_UNSPECIFIED (&route->gateway)) { g_variant_builder_add (&route_builder, "{sv}", "next-hop", g_variant_new_string (nm_utils_inet6_ntop (&route->gateway, NULL))); } g_variant_builder_add (&route_builder, "{sv}", "metric", g_variant_new_uint32 (route->metric)); if (!nm_platform_route_table_is_main (route->table_coerced)) { g_variant_builder_add (&route_builder, "{sv}", "table", g_variant_new_uint32 (nm_platform_route_table_uncoerce (route->table_coerced, TRUE))); } g_variant_builder_add (&builder_data, "a{sv}", &route_builder); /* legacy versions of nm_ip6_route_set_prefix() in libnm-util assert that the * plen is positive. Skip the default routes not to break older clients. */ if ( nm_platform_route_table_is_main (route->table_coerced) && !NM_PLATFORM_IP_ROUTE_IS_DEFAULT (route)) { g_variant_builder_add (&builder_legacy, "(@ayu@ayu)", g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE, &route->network, 16, 1), (guint32) route->plen, g_variant_new_fixed_array (G_VARIANT_TYPE_BYTE, &route->gateway, 16, 1), (guint32) route->metric); } } priv->route_data_variant = g_variant_ref_sink (g_variant_builder_end (&builder_data)); priv->routes_variant = g_variant_ref_sink (g_variant_builder_end (&builder_legacy)); out_routes_cached: g_value_set_variant (value, prop_id == PROP_ROUTE_DATA ? priv->route_data_variant : priv->routes_variant); break; case PROP_GATEWAY: if (priv->best_default_route) { g_value_set_string (value, nm_utils_inet6_ntop (&NMP_OBJECT_CAST_IP6_ROUTE (priv->best_default_route)->gateway, NULL)); } else g_value_set_string (value, NULL); break; case PROP_NAMESERVERS: nameservers_to_gvalue (priv->nameservers, value); break; case PROP_DOMAINS: nm_utils_g_value_set_strv (value, priv->domains); break; case PROP_SEARCHES: nm_utils_g_value_set_strv (value, priv->searches); break; case PROP_DNS_OPTIONS: nm_utils_g_value_set_strv (value, priv->dns_options); break; case PROP_DNS_PRIORITY: g_value_set_int (value, priv->dns_priority); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { NMIP6Config *self = NM_IP6_CONFIG (object); NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); switch (prop_id) { case PROP_MULTI_IDX: /* construct-only */ priv->multi_idx = g_value_get_pointer (value); if (!priv->multi_idx) g_return_if_reached (); nm_dedup_multi_index_ref (priv->multi_idx); break; case PROP_IFINDEX: /* construct-only */ priv->ifindex = g_value_get_int (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } /*****************************************************************************/ static void nm_ip6_config_init (NMIP6Config *self) { NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); nm_ip_config_dedup_multi_idx_type_init ((NMIPConfigDedupMultiIdxType *) &priv->idx_ip6_addresses, NMP_OBJECT_TYPE_IP6_ADDRESS); nm_ip_config_dedup_multi_idx_type_init ((NMIPConfigDedupMultiIdxType *) &priv->idx_ip6_routes, NMP_OBJECT_TYPE_IP6_ROUTE); priv->nameservers = g_array_new (FALSE, TRUE, sizeof (struct in6_addr)); priv->domains = g_ptr_array_new_with_free_func (g_free); priv->searches = g_ptr_array_new_with_free_func (g_free); priv->dns_options = g_ptr_array_new_with_free_func (g_free); } NMIP6Config * nm_ip6_config_new (NMDedupMultiIndex *multi_idx, int ifindex) { g_return_val_if_fail (ifindex >= -1, NULL); return (NMIP6Config *) g_object_new (NM_TYPE_IP6_CONFIG, NM_IP6_CONFIG_MULTI_IDX, multi_idx, NM_IP6_CONFIG_IFINDEX, ifindex, NULL); } NMIP6Config * nm_ip6_config_new_cloned (const NMIP6Config *src) { NMIP6Config *new; g_return_val_if_fail (NM_IS_IP6_CONFIG (src), NULL); new = nm_ip6_config_new (nm_ip6_config_get_multi_idx (src), nm_ip6_config_get_ifindex (src)); nm_ip6_config_replace (new, src, NULL); return new; } static void finalize (GObject *object) { NMIP6Config *self = NM_IP6_CONFIG (object); NMIP6ConfigPrivate *priv = NM_IP6_CONFIG_GET_PRIVATE (self); nm_clear_nmp_object (&priv->best_default_route); nm_dedup_multi_index_remove_idx (priv->multi_idx, &priv->idx_ip6_addresses); nm_dedup_multi_index_remove_idx (priv->multi_idx, &priv->idx_ip6_routes); nm_clear_g_variant (&priv->address_data_variant); nm_clear_g_variant (&priv->addresses_variant); nm_clear_g_variant (&priv->route_data_variant); nm_clear_g_variant (&priv->routes_variant); g_array_unref (priv->nameservers); g_ptr_array_unref (priv->domains); g_ptr_array_unref (priv->searches); g_ptr_array_unref (priv->dns_options); G_OBJECT_CLASS (nm_ip6_config_parent_class)->finalize (object); nm_dedup_multi_index_unref (priv->multi_idx); } static const NMDBusInterfaceInfoExtended interface_info_ip6_config = { .parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT ( NM_DBUS_INTERFACE_IP6_CONFIG, .signals = NM_DEFINE_GDBUS_SIGNAL_INFOS ( &nm_signal_info_property_changed_legacy, ), .properties = NM_DEFINE_GDBUS_PROPERTY_INFOS ( NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("Addresses", "a(ayuay)", NM_IP6_CONFIG_ADDRESSES), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("AddressData", "aa{sv}", NM_IP6_CONFIG_ADDRESS_DATA), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("Gateway", "s", NM_IP6_CONFIG_GATEWAY), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("Routes", "a(ayuayu)", NM_IP6_CONFIG_ROUTES), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("RouteData", "aa{sv}", NM_IP6_CONFIG_ROUTE_DATA), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("Nameservers", "aay", NM_IP6_CONFIG_NAMESERVERS), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("Domains", "as", NM_IP6_CONFIG_DOMAINS), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("Searches", "as", NM_IP6_CONFIG_SEARCHES), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("DnsOptions", "as", NM_IP6_CONFIG_DNS_OPTIONS), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("DnsPriority", "i", NM_IP6_CONFIG_DNS_PRIORITY), ), ), .legacy_property_changed = TRUE, }; static void nm_ip6_config_class_init (NMIP6ConfigClass *config_class) { GObjectClass *object_class = G_OBJECT_CLASS (config_class); NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS (config_class); dbus_object_class->export_path = NM_DBUS_EXPORT_PATH_NUMBERED (NM_DBUS_PATH"/IP6Config"); dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS (&interface_info_ip6_config); object_class->get_property = get_property; object_class->set_property = set_property; object_class->finalize = finalize; obj_properties[PROP_MULTI_IDX] = g_param_spec_pointer (NM_IP6_CONFIG_MULTI_IDX, "", "", G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); obj_properties[PROP_IFINDEX] = g_param_spec_int (NM_IP6_CONFIG_IFINDEX, "", "", -1, G_MAXINT, -1, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); obj_properties[PROP_ADDRESS_DATA] = g_param_spec_variant (NM_IP6_CONFIG_ADDRESS_DATA, "", "", G_VARIANT_TYPE ("aa{sv}"), NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_ADDRESSES] = g_param_spec_variant (NM_IP6_CONFIG_ADDRESSES, "", "", G_VARIANT_TYPE ("a(ayuay)"), NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_ROUTE_DATA] = g_param_spec_variant (NM_IP6_CONFIG_ROUTE_DATA, "", "", G_VARIANT_TYPE ("aa{sv}"), NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_ROUTES] = g_param_spec_variant (NM_IP6_CONFIG_ROUTES, "", "", G_VARIANT_TYPE ("a(ayuayu)"), NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_GATEWAY] = g_param_spec_string (NM_IP6_CONFIG_GATEWAY, "", "", NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_NAMESERVERS] = g_param_spec_variant (NM_IP6_CONFIG_NAMESERVERS, "", "", G_VARIANT_TYPE ("aay"), NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_DOMAINS] = g_param_spec_boxed (NM_IP6_CONFIG_DOMAINS, "", "", G_TYPE_STRV, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_SEARCHES] = g_param_spec_boxed (NM_IP6_CONFIG_SEARCHES, "", "", G_TYPE_STRV, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_DNS_OPTIONS] = g_param_spec_boxed (NM_IP6_CONFIG_DNS_OPTIONS, "", "", G_TYPE_STRV, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_DNS_PRIORITY] = g_param_spec_int (NM_IP6_CONFIG_DNS_PRIORITY, "", "", G_MININT32, G_MAXINT32, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); g_object_class_install_properties (object_class, _PROPERTY_ENUMS_LAST, obj_properties); }