diff options
Diffstat (limited to 'src/core/nm-ip4-config.c')
| -rw-r--r-- | src/core/nm-ip4-config.c | 3297 |
1 files changed, 0 insertions, 3297 deletions
diff --git a/src/core/nm-ip4-config.c b/src/core/nm-ip4-config.c deleted file mode 100644 index 171ed4bae1..0000000000 --- a/src/core/nm-ip4-config.c +++ /dev/null @@ -1,3297 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (C) 2005 - 2017 Red Hat, Inc. - * Copyright (C) 2006 - 2008 Novell, Inc. - */ - -#include "src/core/nm-default-daemon.h" - -#include "nm-ip4-config.h" - -#include <arpa/inet.h> -#include <resolv.h> -#include <linux/rtnetlink.h> - -#include "libnm-glib-aux/nm-dedup-multi.h" - -#include "nm-utils.h" -#include "libnm-platform/nmp-object.h" -#include "libnm-platform/nm-platform.h" -#include "libnm-platform/nm-platform-utils.h" -#include "NetworkManagerUtils.h" -#include "libnm-core-intern/nm-core-internal.h" -#include "nm-dbus-object.h" - -/*****************************************************************************/ - -/* internal guint32 are assigned to gobject properties of type uint. Ensure, that uint is large enough */ -G_STATIC_ASSERT(sizeof(uint) >= sizeof(guint32)); -G_STATIC_ASSERT(G_MAXUINT >= 0xFFFFFFFF); - -/*****************************************************************************/ - -static gboolean -_route_valid(const NMPlatformIP4Route *r) -{ - return r && r->plen <= 32 - && r->network == nm_utils_ip4_address_clear_host_address(r->network, r->plen); -} - -/*****************************************************************************/ - -static void -_idx_obj_id_hash_update(const NMDedupMultiIdxType *idx_type, - const NMDedupMultiObj * obj, - NMHashState * h) -{ - nmp_object_id_hash_update((NMPObject *) obj, h); -} - -static gboolean -_idx_obj_id_equal(const NMDedupMultiIdxType *idx_type, - const NMDedupMultiObj * obj_a, - const NMDedupMultiObj * obj_b) -{ - return nmp_object_id_equal((NMPObject *) obj_a, (NMPObject *) obj_b); -} - -void -nm_ip_config_dedup_multi_idx_type_init(NMIPConfigDedupMultiIdxType *idx_type, - NMPObjectType obj_type) -{ - static const NMDedupMultiIdxTypeClass idx_type_class = { - .idx_obj_id_hash_update = _idx_obj_id_hash_update, - .idx_obj_id_equal = _idx_obj_id_equal, - }; - - nm_dedup_multi_idx_type_init((NMDedupMultiIdxType *) idx_type, &idx_type_class); - idx_type->obj_type = obj_type; -} - -/*****************************************************************************/ - -gboolean -_nm_ip_config_add_obj(NMDedupMultiIndex * multi_idx, - NMIPConfigDedupMultiIdxType *idx_type, - int ifindex, - const NMPObject * obj_new, - const NMPlatformObject * pl_new, - gboolean merge, - gboolean append_force, - const NMPObject ** out_obj_old /* returns a reference! */, - const NMPObject ** out_obj_new /* does not return a reference */) -{ - NMPObject obj_new_stackinit; - const NMDedupMultiEntry *entry_old; - const NMDedupMultiEntry *entry_new; - - nm_assert(multi_idx); - nm_assert(idx_type); - nm_assert(NM_IN_SET(idx_type->obj_type, - NMP_OBJECT_TYPE_IP4_ADDRESS, - NMP_OBJECT_TYPE_IP4_ROUTE, - NMP_OBJECT_TYPE_IP6_ADDRESS, - NMP_OBJECT_TYPE_IP6_ROUTE)); - nm_assert(ifindex > 0); - - /* we go through extra lengths to accept a full obj_new object. That one, - * can be reused by increasing the ref-count. */ - if (!obj_new) { - nm_assert(pl_new); - obj_new = nmp_object_stackinit(&obj_new_stackinit, idx_type->obj_type, pl_new); - NMP_OBJECT_CAST_OBJ_WITH_IFINDEX(&obj_new_stackinit)->ifindex = ifindex; - } else { - nm_assert(!pl_new); - nm_assert(NMP_OBJECT_GET_TYPE(obj_new) == idx_type->obj_type); - if (NMP_OBJECT_CAST_OBJ_WITH_IFINDEX(obj_new)->ifindex != ifindex) { - obj_new = nmp_object_stackinit_obj(&obj_new_stackinit, obj_new); - NMP_OBJECT_CAST_OBJ_WITH_IFINDEX(&obj_new_stackinit)->ifindex = ifindex; - } - } - nm_assert(NMP_OBJECT_GET_TYPE(obj_new) == idx_type->obj_type); - nm_assert(nmp_object_is_alive(obj_new)); - - entry_old = nm_dedup_multi_index_lookup_obj(multi_idx, &idx_type->parent, obj_new); - - if (entry_old) { - gboolean modified = FALSE; - const NMPObject *obj_old = entry_old->obj; - - if (nmp_object_equal(obj_new, obj_old)) { - nm_dedup_multi_entry_set_dirty(entry_old, FALSE); - goto append_force_and_out; - } - - /* if @merge, we merge the new object with the existing one. - * Otherwise, we replace it entirely. */ - if (merge) { - switch (idx_type->obj_type) { - case NMP_OBJECT_TYPE_IP4_ADDRESS: - case NMP_OBJECT_TYPE_IP6_ADDRESS: - /* for addresses that we read from the kernel, we keep the timestamps as defined - * by the previous source (item_old). The reason is, that the other source configured the lifetimes - * with "what should be" and the kernel values are "what turned out after configuring it". - * - * For other sources, the longer lifetime wins. */ - if ((obj_new->ip_address.addr_source == NM_IP_CONFIG_SOURCE_KERNEL - && obj_old->ip_address.addr_source != NM_IP_CONFIG_SOURCE_KERNEL) - || nm_platform_ip_address_cmp_expiry(NMP_OBJECT_CAST_IP_ADDRESS(obj_old), - NMP_OBJECT_CAST_IP_ADDRESS(obj_new)) - > 0) { - obj_new = nmp_object_stackinit_obj(&obj_new_stackinit, obj_new); - obj_new_stackinit.ip_address.timestamp = - NMP_OBJECT_CAST_IP_ADDRESS(obj_old)->timestamp; - obj_new_stackinit.ip_address.lifetime = - NMP_OBJECT_CAST_IP_ADDRESS(obj_old)->lifetime; - obj_new_stackinit.ip_address.preferred = - NMP_OBJECT_CAST_IP_ADDRESS(obj_old)->preferred; - modified = TRUE; - } - - /* keep the maximum addr_source. */ - if (obj_new->ip_address.addr_source < obj_old->ip_address.addr_source) { - obj_new = nmp_object_stackinit_obj(&obj_new_stackinit, obj_new); - obj_new_stackinit.ip_address.addr_source = obj_old->ip_address.addr_source; - modified = TRUE; - } - break; - case NMP_OBJECT_TYPE_IP4_ROUTE: - case NMP_OBJECT_TYPE_IP6_ROUTE: - /* keep the maximum rt_source. */ - if (obj_new->ip_route.rt_source < obj_old->ip_route.rt_source) { - obj_new = nmp_object_stackinit_obj(&obj_new_stackinit, obj_new); - obj_new_stackinit.ip_route.rt_source = obj_old->ip_route.rt_source; - modified = TRUE; - } - break; - default: - nm_assert_not_reached(); - break; - } - - if (modified && nmp_object_equal(obj_new, obj_old)) { - nm_dedup_multi_entry_set_dirty(entry_old, FALSE); - goto append_force_and_out; - } - } - } - - if (!nm_dedup_multi_index_add_full(multi_idx, - &idx_type->parent, - obj_new, - append_force ? NM_DEDUP_MULTI_IDX_MODE_APPEND_FORCE - : NM_DEDUP_MULTI_IDX_MODE_APPEND, - NULL, - entry_old ?: NM_DEDUP_MULTI_ENTRY_MISSING, - NULL, - &entry_new, - out_obj_old)) { - nm_assert_not_reached(); - NM_SET_OUT(out_obj_new, NULL); - return FALSE; - } - - NM_SET_OUT(out_obj_new, entry_new->obj); - return TRUE; - -append_force_and_out: - NM_SET_OUT(out_obj_old, nmp_object_ref(entry_old->obj)); - NM_SET_OUT(out_obj_new, entry_old->obj); - if (append_force) { - if (nm_dedup_multi_entry_reorder(entry_old, NULL, TRUE)) - return TRUE; - } - return FALSE; -} - -/** - * _nm_ip_config_lookup_ip_route: - * @multi_idx: - * @idx_type: - * @needle: - * @cmp_type: after lookup, filter the result by comparing with @cmp_type. Only - * return the result, if it compares equal to @needle according to this @cmp_type. - * Note that the index uses %NM_PLATFORM_IP_ROUTE_CMP_TYPE_DST type, so passing - * that compare-type means not to filter any further. - * - * Returns: the found entry or %NULL. - */ -const NMDedupMultiEntry * -_nm_ip_config_lookup_ip_route(const NMDedupMultiIndex * multi_idx, - const NMIPConfigDedupMultiIdxType *idx_type, - const NMPObject * needle, - NMPlatformIPRouteCmpType cmp_type) -{ - const NMDedupMultiEntry *entry; - - nm_assert(multi_idx); - nm_assert(idx_type); - nm_assert(NM_IN_SET(idx_type->obj_type, NMP_OBJECT_TYPE_IP4_ROUTE, NMP_OBJECT_TYPE_IP6_ROUTE)); - nm_assert(NMP_OBJECT_GET_TYPE(needle) == idx_type->obj_type); - - entry = nm_dedup_multi_index_lookup_obj(multi_idx, &idx_type->parent, needle); - if (!entry) - return NULL; - - if (cmp_type == NM_PLATFORM_IP_ROUTE_CMP_TYPE_ID) { - nm_assert((NMP_OBJECT_GET_TYPE(needle) == NMP_OBJECT_TYPE_IP4_ROUTE - && nm_platform_ip4_route_cmp(NMP_OBJECT_CAST_IP4_ROUTE(entry->obj), - NMP_OBJECT_CAST_IP4_ROUTE(needle), - cmp_type) - == 0) - || (NMP_OBJECT_GET_TYPE(needle) == NMP_OBJECT_TYPE_IP6_ROUTE - && nm_platform_ip6_route_cmp(NMP_OBJECT_CAST_IP6_ROUTE(entry->obj), - NMP_OBJECT_CAST_IP6_ROUTE(needle), - cmp_type) - == 0)); - } else { - if (NMP_OBJECT_GET_TYPE(needle) == NMP_OBJECT_TYPE_IP4_ROUTE) { - if (nm_platform_ip4_route_cmp(NMP_OBJECT_CAST_IP4_ROUTE(entry->obj), - NMP_OBJECT_CAST_IP4_ROUTE(needle), - cmp_type) - != 0) - return NULL; - } else { - if (nm_platform_ip6_route_cmp(NMP_OBJECT_CAST_IP6_ROUTE(entry->obj), - NMP_OBJECT_CAST_IP6_ROUTE(needle), - cmp_type) - != 0) - return NULL; - } - } - return entry; -} - -/*****************************************************************************/ - -NM_GOBJECT_PROPERTIES_DEFINE(NMIP4Config, - PROP_MULTI_IDX, - PROP_IFINDEX, - PROP_ADDRESS_DATA, - PROP_ADDRESSES, - PROP_ROUTE_DATA, - PROP_ROUTES, - PROP_GATEWAY, - PROP_NAMESERVER_DATA, - PROP_NAMESERVERS, - PROP_DOMAINS, - PROP_SEARCHES, - PROP_DNS_OPTIONS, - PROP_WINS_SERVER_DATA, - PROP_WINS_SERVERS, - PROP_DNS_PRIORITY, ); - -typedef struct { - bool metered : 1; - bool never_default : 1; - guint32 mtu; - int ifindex; - NMIPConfigSource mtu_source; - int dns_priority; - NMSettingConnectionMdns mdns; - NMSettingConnectionLlmnr llmnr; - GArray * nameservers; - GPtrArray * domains; - GPtrArray * searches; - GPtrArray * dns_options; - GArray * nis; - char * nis_domain; - GArray * wins; - 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_ip4_addresses_; - NMDedupMultiIdxType idx_ip4_addresses; - }; - union { - NMIPConfigDedupMultiIdxType idx_ip4_routes_; - NMDedupMultiIdxType idx_ip4_routes; - }; - NMIPConfigFlags config_flags; -} NMIP4ConfigPrivate; - -struct _NMIP4Config { - NMIPConfig parent; - NMIP4ConfigPrivate _priv; -}; - -struct _NMIP4ConfigClass { - NMIPConfigClass parent; -}; - -G_DEFINE_TYPE(NMIP4Config, nm_ip4_config, NM_TYPE_IP_CONFIG) - -#define NM_IP4_CONFIG_GET_PRIVATE(self) _NM_GET_PRIVATE(self, NMIP4Config, NM_IS_IP4_CONFIG) - -/*****************************************************************************/ - -static void -_add_address(NMIP4Config *self, const NMPObject *obj_new, const NMPlatformIP4Address *new); -static void _add_route(NMIP4Config * self, - const NMPObject *obj_new, - const NMPlatformIP4Route *new, - const NMPObject **out_obj_new); -static const NMDedupMultiEntry * -_lookup_route(const NMIP4Config *self, const NMPObject *needle, NMPlatformIPRouteCmpType cmp_type); - -/*****************************************************************************/ - -int -nm_ip4_config_get_ifindex(const NMIP4Config *self) -{ - return NM_IP4_CONFIG_GET_PRIVATE(self)->ifindex; -} - -NMDedupMultiIndex * -nm_ip4_config_get_multi_idx(const NMIP4Config *self) -{ - return NM_IP4_CONFIG_GET_PRIVATE(self)->multi_idx; -} - -/*****************************************************************************/ - -const NMDedupMultiHeadEntry * -nm_ip4_config_lookup_addresses(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return nm_dedup_multi_index_lookup_head(priv->multi_idx, &priv->idx_ip4_addresses, NULL); -} - -void -nm_ip_config_iter_ip4_address_init(NMDedupMultiIter *ipconf_iter, const NMIP4Config *self) -{ - nm_assert(NM_IS_IP4_CONFIG(self)); - - nm_dedup_multi_iter_init(ipconf_iter, nm_ip4_config_lookup_addresses(self)); -} - -/*****************************************************************************/ - -const NMDedupMultiHeadEntry * -nm_ip4_config_lookup_routes(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return nm_dedup_multi_index_lookup_head(priv->multi_idx, &priv->idx_ip4_routes, NULL); -} - -void -nm_ip_config_iter_ip4_route_init(NMDedupMultiIter *ipconf_iter, const NMIP4Config *self) -{ - nm_assert(NM_IS_IP4_CONFIG(self)); - - nm_dedup_multi_iter_init(ipconf_iter, nm_ip4_config_lookup_routes(self)); -} - -/*****************************************************************************/ - -const NMPObject * -_nm_ip_config_best_default_route_find_better(const NMPObject *obj_cur, const NMPObject *obj_cmp) -{ - nm_assert(!obj_cur - || NM_IN_SET(NMP_OBJECT_GET_TYPE(obj_cur), - NMP_OBJECT_TYPE_IP4_ROUTE, - NMP_OBJECT_TYPE_IP6_ROUTE)); - nm_assert(!obj_cmp - || (!obj_cur - && NM_IN_SET(NMP_OBJECT_GET_TYPE(obj_cmp), - NMP_OBJECT_TYPE_IP4_ROUTE, - NMP_OBJECT_TYPE_IP6_ROUTE)) - || NMP_OBJECT_GET_TYPE(obj_cur) == NMP_OBJECT_GET_TYPE(obj_cmp)); - nm_assert(!obj_cur || nmp_object_ip_route_is_best_defaut_route(obj_cur)); - - /* assumes that @obj_cur is already the best default route (or NULL). It checks whether - * @obj_cmp is also a default route and returns the best of both. */ - if (obj_cmp && nmp_object_ip_route_is_best_defaut_route(obj_cmp)) { - guint32 metric_cur, metric_cmp; - - if (!obj_cur) - return obj_cmp; - - metric_cur = NMP_OBJECT_CAST_IP_ROUTE(obj_cur)->metric; - metric_cmp = NMP_OBJECT_CAST_IP_ROUTE(obj_cmp)->metric; - - if (metric_cmp < metric_cur) - return obj_cmp; - - if (metric_cmp == metric_cur) { - int c; - - /* Routes have the same metric. We still want to deterministically - * prefer one or the other. It's important to consistently choose one - * or the other, so that the order doesn't matter how routes are added - * (and merged). */ - c = nmp_object_cmp(obj_cur, obj_cmp); - if (c != 0) - return c < 0 ? obj_cur : obj_cmp; - - /* as last resort, compare pointers. */ - if (obj_cmp < obj_cur) - return obj_cmp; - } - } - return obj_cur; -} - -gboolean -_nm_ip_config_best_default_route_merge(const NMPObject **best_default_route, - const NMPObject * new_candidate) -{ - new_candidate = - _nm_ip_config_best_default_route_find_better(*best_default_route, new_candidate); - return nmp_object_ref_set(best_default_route, new_candidate); -} - -const NMPObject * -nm_ip4_config_best_default_route_get(const NMIP4Config *self) -{ - g_return_val_if_fail(NM_IS_IP4_CONFIG(self), NULL); - - return NM_IP4_CONFIG_GET_PRIVATE(self)->best_default_route; -} - -const NMPObject * -_nm_ip4_config_best_default_route_find(const NMIP4Config *self) -{ - NMDedupMultiIter ipconf_iter; - const NMPObject *new_best_default_route = NULL; - - nm_ip_config_iter_ip4_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; -} - -in_addr_t -nmtst_ip4_config_get_gateway(NMIP4Config *config) -{ - const NMPObject *rt; - - g_assert(NM_IS_IP4_CONFIG(config)); - - rt = nm_ip4_config_best_default_route_get(config); - if (!rt) - return 0; - return NMP_OBJECT_CAST_IP4_ROUTE(rt)->gateway; -} - -/*****************************************************************************/ - -static void -_notify_addresses(NMIP4Config *self) -{ - NMIP4ConfigPrivate *priv = NM_IP4_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(NMIP4Config *self) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - nm_assert(priv->best_default_route == _nm_ip4_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 -sort_captured_addresses(const CList *lst_a, const CList *lst_b, gconstpointer user_data) -{ - const NMPlatformIP4Address *addr_a = - NMP_OBJECT_CAST_IP4_ADDRESS(c_list_entry(lst_a, NMDedupMultiEntry, lst_entries)->obj); - const NMPlatformIP4Address *addr_b = - NMP_OBJECT_CAST_IP4_ADDRESS(c_list_entry(lst_b, NMDedupMultiEntry, lst_entries)->obj); - - nm_assert(addr_a); - nm_assert(addr_b); - - /* Primary addresses first */ - return NM_FLAGS_HAS(addr_a->n_ifa_flags, IFA_F_SECONDARY) - - NM_FLAGS_HAS(addr_b->n_ifa_flags, IFA_F_SECONDARY); -} - -NMIP4Config * -nm_ip4_config_clone(const NMIP4Config *self) -{ - NMIP4Config *copy; - - copy = nm_ip4_config_new(nm_ip4_config_get_multi_idx(self), -1); - nm_ip4_config_replace(copy, self, NULL); - - return copy; -} - -NMIP4Config * -nm_ip4_config_capture(NMDedupMultiIndex *multi_idx, NMPlatform *platform, int ifindex) -{ - NMIP4Config * self; - NMIP4ConfigPrivate * 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_ip4_config_new(multi_idx, ifindex); - priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - head_entry = nm_platform_lookup_object(platform, NMP_OBJECT_TYPE_IP4_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_ip4_addresses_, - ifindex, - plobj, - NULL, - FALSE, - TRUE, - NULL, - NULL)) - nm_assert_not_reached(); - } - head_entry = nm_ip4_config_lookup_addresses(self); - nm_assert(head_entry); - nm_dedup_multi_head_entry_sort(head_entry, sort_captured_addresses, NULL); - _notify_addresses(self); - } - - head_entry = nm_platform_lookup_object(platform, NMP_OBJECT_TYPE_IP4_ROUTE, ifindex); - - /* Extract gateway from default route */ - nmp_cache_iter_for_each (&iter, head_entry, &plobj) - _add_route(self, plobj, NULL, NULL); - - return self; -} - -void -nm_ip4_config_update_routes_metric(NMIP4Config *self, gint64 metric) -{ - gs_free NMPlatformIP4Route *routes = NULL; - gboolean need_update = FALSE; - const NMPlatformIP4Route * r; - NMDedupMultiIter iter; - guint num = 0, i = 0; - - nm_ip_config_iter_ip4_route_for_each (&iter, self, &r) { - if (r->metric != metric) - need_update = TRUE; - num++; - } - if (!need_update) - return; - - routes = g_new(NMPlatformIP4Route, num); - nm_ip_config_iter_ip4_route_for_each (&iter, self, &r) { - routes[i] = *r; - routes[i].metric = metric; - i++; - } - - g_object_freeze_notify(G_OBJECT(self)); - nm_ip4_config_reset_routes(self); - for (i = 0; i < num; i++) - nm_ip4_config_add_route(self, &routes[i], NULL); - g_object_thaw_notify(G_OBJECT(self)); -} - -void -nm_ip4_config_add_dependent_routes(NMIP4Config *self, - guint32 route_table, - guint32 route_metric, - gboolean is_vrf, - GPtrArray ** out_ip4_dev_route_blacklist) -{ - GPtrArray * ip4_dev_route_blacklist = NULL; - const NMPlatformIP4Address *my_addr; - const NMPlatformIP4Route * my_route; - int ifindex; - NMDedupMultiIter iter; - - g_return_if_fail(NM_IS_IP4_CONFIG(self)); - - ifindex = nm_ip4_config_get_ifindex(self); - g_return_if_fail(ifindex > 0); - - /* For IPv6 slaac, we explicitly add the device-routes (onlink) to NMIP6Config. - * As we don't do that for IPv4 (and manual IPv6 addresses), add them explicitly. */ - - nm_ip_config_iter_ip4_address_for_each (&iter, self, &my_addr) { - nm_auto_nmpobj NMPObject *r = NULL; - NMPlatformIP4Route * route; - in_addr_t network; - - if (my_addr->plen == 0) - continue; - - nm_assert(my_addr->plen <= 32); - - /* The destination network depends on the peer-address. */ - network = nm_utils_ip4_address_clear_host_address(my_addr->peer_address, my_addr->plen); - - if (my_addr->external) - continue; - - if (nm_utils_ip4_address_is_zeronet(network)) { - /* Kernel doesn't add device-routes for destinations that - * start with 0.x.y.z. Skip them. */ - continue; - } - - if (my_addr->plen == 32 && my_addr->address == my_addr->peer_address) { - /* Kernel doesn't add device-routes for /32 addresses unless - * they have a peer. */ - continue; - } - - r = nmp_object_new(NMP_OBJECT_TYPE_IP4_ROUTE, NULL); - route = NMP_OBJECT_CAST_IP4_ROUTE(r); - - route->ifindex = ifindex; - route->rt_source = NM_IP_CONFIG_SOURCE_KERNEL; - route->network = network; - route->plen = my_addr->plen; - route->pref_src = my_addr->address; - route->table_coerced = nm_platform_route_table_coerce(route_table); - route->metric = route_metric; - route->scope_inv = nm_platform_route_scope_inv(NM_RT_SCOPE_LINK); - - nm_platform_ip_route_normalize(AF_INET, (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); - - if (out_ip4_dev_route_blacklist - && (route_table != RT_TABLE_MAIN - || route_metric != NM_PLATFORM_ROUTE_METRIC_IP4_DEVICE_ROUTE)) { - nm_auto_nmpobj NMPObject *r_dev = NULL; - - r_dev = nmp_object_clone(r, FALSE); - route = NMP_OBJECT_CAST_IP4_ROUTE(r_dev); - route->table_coerced = nm_platform_route_table_coerce(RT_TABLE_MAIN); - route->metric = NM_PLATFORM_ROUTE_METRIC_IP4_DEVICE_ROUTE; - - nm_platform_ip_route_normalize(AF_INET, (NMPlatformIPRoute *) route); - - if (_lookup_route(self, r_dev, NM_PLATFORM_IP_ROUTE_CMP_TYPE_ID)) { - /* we track such a route explicitly. Don't blacklist it. */ - } else { - if (!ip4_dev_route_blacklist) - ip4_dev_route_blacklist = - g_ptr_array_new_with_free_func((GDestroyNotify) nmp_object_unref); - - g_ptr_array_add(ip4_dev_route_blacklist, g_steal_pointer(&r_dev)); - } - } - } - -again: - nm_ip_config_iter_ip4_route_for_each (&iter, self, &my_route) { - NMPlatformIP4Route rt; - - if (!NM_PLATFORM_IP_ROUTE_IS_DEFAULT(my_route) || my_route->gateway == 0 - || NM_IS_IP_CONFIG_SOURCE_RTPROT(my_route->rt_source) - || nm_ip4_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 = 32; - rt.gateway = 0; - _add_route(self, NULL, &rt, NULL); - /* adding the route might have invalidated the iteration. Start again. */ - goto again; - } - - NM_SET_OUT(out_ip4_dev_route_blacklist, ip4_dev_route_blacklist); -} - -gboolean -nm_ip4_config_commit(const NMIP4Config * self, - NMPlatform * platform, - NMIPRouteTableSyncMode route_table_sync) -{ - 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_IP4_CONFIG(self), FALSE); - - ifindex = nm_ip4_config_get_ifindex(self); - g_return_val_if_fail(ifindex > 0, FALSE); - - addresses = - nm_dedup_multi_objs_to_ptr_array_head(nm_ip4_config_lookup_addresses(self), NULL, NULL); - - routes = nm_dedup_multi_objs_to_ptr_array_head(nm_ip4_config_lookup_routes(self), NULL, NULL); - - routes_prune = - nm_platform_ip_route_get_prune_list(platform, AF_INET, ifindex, route_table_sync); - - nm_platform_ip4_address_sync(platform, ifindex, addresses); - - if (!nm_platform_ip_route_sync(platform, AF_INET, ifindex, routes, routes_prune, NULL)) - success = FALSE; - - return success; -} - -void -nm_ip4_config_merge_setting(NMIP4Config * self, - NMSettingIPConfig * setting, - NMSettingConnectionMdns mdns, - NMSettingConnectionLlmnr llmnr, - guint32 route_table, - guint32 route_metric) -{ - guint naddresses, nroutes, nnameservers, nsearches; - int i, priority; - const char *gateway_str; - guint32 gateway_bin; - - if (!setting) - return; - - g_return_if_fail(NM_IS_SETTING_IP4_CONFIG(setting)); - - g_object_freeze_notify(G_OBJECT(self)); - - 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); - - /* Gateway */ - if (!nm_setting_ip_config_get_never_default(setting) - && (gateway_str = nm_setting_ip_config_get_gateway(setting)) - && inet_pton(AF_INET, gateway_str, &gateway_bin) == 1 && gateway_bin) { - const NMPlatformIP4Route 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); - GVariant * label; - NMPlatformIP4Address address; - - memset(&address, 0, sizeof(address)); - nm_ip_address_get_address_binary(s_addr, &address.address); - address.peer_address = address.address; - address.plen = nm_ip_address_get_prefix(s_addr); - nm_assert(address.plen <= 32); - address.lifetime = NM_PLATFORM_LIFETIME_PERMANENT; - address.preferred = NM_PLATFORM_LIFETIME_PERMANENT; - address.addr_source = NM_IP_CONFIG_SOURCE_USER; - - label = nm_ip_address_get_attribute(s_addr, NM_IP_ADDRESS_ATTRIBUTE_LABEL); - if (label) - g_strlcpy(address.label, g_variant_get_string(label, NULL), sizeof(address.label)); - - _add_address(self, NULL, &address); - } - - /* Routes */ - for (i = 0; i < nroutes; i++) { - NMIPRoute * s_route = nm_setting_ip_config_get_route(setting, i); - NMPlatformIP4Route route; - gint64 m; - - if (nm_ip_route_get_family(s_route) != AF_INET) { - 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 <= 32); - - nm_ip_route_get_next_hop_binary(s_route, &route.gateway); - m = nm_ip_route_get_metric(s_route); - if (m < 0) - route.metric = route_metric; - else - route.metric = m; - route.rt_source = NM_IP_CONFIG_SOURCE_USER; - - route.network = nm_utils_ip4_address_clear_host_address(route.network, route.plen); - - nm_utils_ip_route_attribute_to_platform(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_ip4_config_reset_nameservers(self); - nm_ip4_config_reset_domains(self); - nm_ip4_config_reset_searches(self); - } - for (i = 0; i < nnameservers; i++) { - guint32 ip; - - if (inet_pton(AF_INET, nm_setting_ip_config_get_dns(setting, i), &ip) == 1) - nm_ip4_config_add_nameserver(self, ip); - } - for (i = 0; i < nsearches; i++) - nm_ip4_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_ip4_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_ip4_config_set_dns_priority(self, priority); - - nm_ip4_config_mdns_set(self, mdns); - nm_ip4_config_llmnr_set(self, llmnr); - - nm_ip4_config_set_never_default(self, nm_setting_ip_config_get_never_default(setting)); - - g_object_thaw_notify(G_OBJECT(self)); -} - -NMSetting * -nm_ip4_config_create_setting(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate * priv; - NMSettingIPConfig * s_ip4; - guint nnameservers, nsearches, noptions; - const char * method = NULL; - int i; - NMDedupMultiIter ipconf_iter; - const NMPlatformIP4Address *address; - const NMPlatformIP4Route * route; - char sbuf[NM_UTILS_INET_ADDRSTRLEN]; - - s_ip4 = NM_SETTING_IP_CONFIG(nm_setting_ip4_config_new()); - - if (!self) { - g_object_set(s_ip4, - NM_SETTING_IP_CONFIG_METHOD, - NM_SETTING_IP4_CONFIG_METHOD_DISABLED, - NULL); - return NM_SETTING(s_ip4); - } - - priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - nnameservers = nm_ip4_config_get_num_nameservers(self); - nsearches = nm_ip4_config_get_num_searches(self); - noptions = nm_ip4_config_get_num_dns_options(self); - - /* Addresses */ - nm_ip_config_iter_ip4_address_for_each (&ipconf_iter, self, &address) { - NMIPAddress *s_addr; - - /* Detect dynamic address */ - if (address->lifetime != NM_PLATFORM_LIFETIME_PERMANENT) { - method = NM_SETTING_IP4_CONFIG_METHOD_AUTO; - continue; - } - - /* Static address found. */ - if (!method) - method = NM_SETTING_IP4_CONFIG_METHOD_MANUAL; - - s_addr = nm_ip_address_new_binary(AF_INET, &address->address, address->plen, NULL); - if (*address->label) - nm_ip_address_set_attribute(s_addr, - NM_IP_ADDRESS_ATTRIBUTE_LABEL, - g_variant_new_string(address->label)); - - nm_setting_ip_config_add_address(s_ip4, s_addr); - nm_ip_address_unref(s_addr); - } - - /* Gateway */ - if (priv->best_default_route && nm_setting_ip_config_get_num_addresses(s_ip4) > 0) { - g_object_set( - s_ip4, - NM_SETTING_IP_CONFIG_GATEWAY, - _nm_utils_inet4_ntop(NMP_OBJECT_CAST_IP4_ROUTE(priv->best_default_route)->gateway, - sbuf), - NULL); - } - - /* Use 'disabled' if the method wasn't previously set */ - if (!method) - method = NM_SETTING_IP4_CONFIG_METHOD_DISABLED; - - g_object_set(s_ip4, NM_SETTING_IP_CONFIG_METHOD, method, NULL); - - /* Routes */ - nm_ip_config_iter_ip4_route_for_each (&ipconf_iter, self, &route) { - NMIPRoute *s_route; - - 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_INET, - &route->network, - route->plen, - &route->gateway, - route->metric, - NULL); - nm_setting_ip_config_add_route(s_ip4, s_route); - nm_ip_route_unref(s_route); - } - - /* DNS */ - for (i = 0; i < nnameservers; i++) { - guint32 nameserver = nm_ip4_config_get_nameserver(self, i); - - nm_setting_ip_config_add_dns(s_ip4, _nm_utils_inet4_ntop(nameserver, sbuf)); - } - for (i = 0; i < nsearches; i++) { - const char *search = nm_ip4_config_get_search(self, i); - - nm_setting_ip_config_add_dns_search(s_ip4, search); - } - - for (i = 0; i < noptions; i++) { - const char *option = nm_ip4_config_get_dns_option(self, i); - - nm_setting_ip_config_add_dns_option(s_ip4, option); - } - - g_object_set(s_ip4, - NM_SETTING_IP_CONFIG_DNS_PRIORITY, - nm_ip4_config_get_dns_priority(self), - NULL); - - return NM_SETTING(s_ip4); -} - -/*****************************************************************************/ - -void -nm_ip4_config_merge(NMIP4Config * dst, - const NMIP4Config * src, - NMIPConfigMergeFlags merge_flags, - guint32 default_route_metric_penalty) -{ - NMIP4ConfigPrivate * dst_priv; - const NMIP4ConfigPrivate * src_priv; - guint32 i; - NMDedupMultiIter ipconf_iter; - const NMPlatformIP4Address *address = NULL; - - g_return_if_fail(src != NULL); - g_return_if_fail(dst != NULL); - - dst_priv = NM_IP4_CONFIG_GET_PRIVATE(dst); - src_priv = NM_IP4_CONFIG_GET_PRIVATE(src); - - g_object_freeze_notify(G_OBJECT(dst)); - - /* addresses */ - nm_ip_config_iter_ip4_address_for_each (&ipconf_iter, src, &address) { - if (NM_FLAGS_HAS(merge_flags, NM_IP_CONFIG_MERGE_EXTERNAL) && !address->external) { - NMPlatformIP4Address a; - - a = *address; - a.external = TRUE; - _add_address(dst, NULL, &a); - } else - _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_ip4_config_get_num_nameservers(src); i++) - nm_ip4_config_add_nameserver(dst, nm_ip4_config_get_nameserver(src, i)); - } - - /* routes */ - if (!NM_FLAGS_HAS(merge_flags, NM_IP_CONFIG_MERGE_NO_ROUTES)) { - const NMPlatformIP4Route *r_src; - - nm_ip_config_iter_ip4_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) - && !NM_FLAGS_HAS(src_priv->config_flags, - NM_IP_CONFIG_FLAGS_IGNORE_MERGE_NO_DEFAULT_ROUTES)) - continue; - if (default_route_metric_penalty) { - NMPlatformIP4Route r = *r_src; - - r.metric = - nm_utils_ip_route_metric_penalize(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_ip4_config_get_num_domains(src); i++) - nm_ip4_config_add_domain(dst, nm_ip4_config_get_domain(src, i)); - } - - /* dns searches */ - if (!NM_FLAGS_HAS(merge_flags, NM_IP_CONFIG_MERGE_NO_DNS)) { - for (i = 0; i < nm_ip4_config_get_num_searches(src); i++) - nm_ip4_config_add_search(dst, nm_ip4_config_get_search(src, i)); - } - - /* dns options */ - if (!NM_FLAGS_HAS(merge_flags, NM_IP_CONFIG_MERGE_NO_DNS)) { - for (i = 0; i < nm_ip4_config_get_num_dns_options(src); i++) - nm_ip4_config_add_dns_option(dst, nm_ip4_config_get_dns_option(src, i)); - } - - /* MTU */ - if (src_priv->mtu_source > dst_priv->mtu_source - || (src_priv->mtu_source == dst_priv->mtu_source - && ((!dst_priv->mtu && src_priv->mtu) - || (dst_priv->mtu && src_priv->mtu < dst_priv->mtu)))) - nm_ip4_config_set_mtu(dst, src_priv->mtu, src_priv->mtu_source); - - /* NIS */ - if (!NM_FLAGS_HAS(merge_flags, NM_IP_CONFIG_MERGE_NO_DNS)) { - for (i = 0; i < nm_ip4_config_get_num_nis_servers(src); i++) - nm_ip4_config_add_nis_server(dst, nm_ip4_config_get_nis_server(src, i)); - - if (nm_ip4_config_get_nis_domain(src)) - nm_ip4_config_set_nis_domain(dst, nm_ip4_config_get_nis_domain(src)); - } - - /* WINS */ - if (!NM_FLAGS_HAS(merge_flags, NM_IP_CONFIG_MERGE_NO_DNS)) { - for (i = 0; i < nm_ip4_config_get_num_wins(src); i++) - nm_ip4_config_add_wins(dst, nm_ip4_config_get_wins(src, i)); - } - - /* metered flag */ - nm_ip4_config_set_metered(dst, - nm_ip4_config_get_metered(dst) || nm_ip4_config_get_metered(src)); - - /* never default */ - nm_ip4_config_set_never_default(dst, - nm_ip4_config_get_never_default(dst) - || nm_ip4_config_get_never_default(src)); - - /* DNS priority */ - if (nm_ip4_config_get_dns_priority(src)) - nm_ip4_config_set_dns_priority(dst, nm_ip4_config_get_dns_priority(src)); - - /* mdns */ - nm_ip4_config_mdns_set(dst, NM_MAX(nm_ip4_config_mdns_get(src), nm_ip4_config_mdns_get(dst))); - /* LLMNR */ - nm_ip4_config_llmnr_set(dst, - NM_MAX(nm_ip4_config_llmnr_get(src), nm_ip4_config_llmnr_get(dst))); - - g_object_thaw_notify(G_OBJECT(dst)); -} - -/*****************************************************************************/ - -static int -_nameservers_get_index(const NMIP4Config *self, guint32 ns) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - guint i; - - for (i = 0; i < priv->nameservers->len; i++) { - guint32 n = g_array_index(priv->nameservers, guint32, i); - - if (ns == n) - return (int) i; - } - return -1; -} - -static int -_domains_get_index(const NMIP4Config *self, const char *domain) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_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 NMIP4Config *self, const char *search) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_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 NMIP4Config *self, const char *option) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_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; -} - -static int -_nis_servers_get_index(const NMIP4Config *self, guint32 nis_server) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - guint i; - - for (i = 0; i < priv->nis->len; i++) { - guint32 n = g_array_index(priv->nis, guint32, i); - - if (n == nis_server) - return (int) i; - } - return -1; -} - -static int -_wins_get_index(const NMIP4Config *self, guint32 wins_server) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - guint i; - - for (i = 0; i < priv->wins->len; i++) { - guint32 n = g_array_index(priv->wins, guint32, i); - - if (n == wins_server) - return (int) i; - } - return -1; -} - -/*****************************************************************************/ - -/** - * nm_ip4_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_ip4_config_subtract(NMIP4Config * dst, - const NMIP4Config *src, - guint32 default_route_metric_penalty) -{ - NMIP4ConfigPrivate * dst_priv; - guint i; - int idx; - const NMPlatformIP4Address *a; - const NMPlatformIP4Route * 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_IP4_CONFIG_GET_PRIVATE(dst); - - g_object_freeze_notify(G_OBJECT(dst)); - - /* addresses */ - changed = FALSE; - nm_ip_config_iter_ip4_address_for_each (&ipconf_iter, src, &a) { - if (nm_dedup_multi_index_remove_obj(dst_priv->multi_idx, - &dst_priv->idx_ip4_addresses, - NMP_OBJECT_UP_CAST(a), - NULL)) - changed = TRUE; - } - if (changed) - _notify_addresses(dst); - - /* nameservers */ - for (i = 0; i < nm_ip4_config_get_num_nameservers(src); i++) { - idx = _nameservers_get_index(dst, nm_ip4_config_get_nameserver(src, i)); - if (idx >= 0) - nm_ip4_config_del_nameserver(dst, idx); - } - - /* routes */ - changed = FALSE; - changed_default_route = FALSE; - nm_ip_config_iter_ip4_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) { - NMPlatformIP4Route *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_IP4_ROUTE(&o_lookup_copy); - rr->metric = - nm_utils_ip_route_metric_penalize(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_ip4_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) { - nmp_object_ref_set(&dst_priv->best_default_route, - _nm_ip4_config_best_default_route_find(dst)); - _notify(dst, PROP_GATEWAY); - } - if (changed) - _notify_routes(dst); - - /* domains */ - for (i = 0; i < nm_ip4_config_get_num_domains(src); i++) { - idx = _domains_get_index(dst, nm_ip4_config_get_domain(src, i)); - if (idx >= 0) - nm_ip4_config_del_domain(dst, idx); - } - - /* dns searches */ - for (i = 0; i < nm_ip4_config_get_num_searches(src); i++) { - idx = _searches_get_index(dst, nm_ip4_config_get_search(src, i)); - if (idx >= 0) - nm_ip4_config_del_search(dst, idx); - } - - /* dns options */ - for (i = 0; i < nm_ip4_config_get_num_dns_options(src); i++) { - idx = _dns_options_get_index(dst, nm_ip4_config_get_dns_option(src, i)); - if (idx >= 0) - nm_ip4_config_del_dns_option(dst, idx); - } - - /* MTU */ - if (nm_ip4_config_get_mtu(src) == nm_ip4_config_get_mtu(dst) - && nm_ip4_config_get_mtu_source(src) == nm_ip4_config_get_mtu_source(dst)) - nm_ip4_config_set_mtu(dst, 0, NM_IP_CONFIG_SOURCE_UNKNOWN); - - /* NIS */ - for (i = 0; i < nm_ip4_config_get_num_nis_servers(src); i++) { - idx = _nis_servers_get_index(dst, nm_ip4_config_get_nis_server(src, i)); - if (idx >= 0) - nm_ip4_config_del_nis_server(dst, idx); - } - - if (g_strcmp0(nm_ip4_config_get_nis_domain(src), nm_ip4_config_get_nis_domain(dst)) == 0) - nm_ip4_config_set_nis_domain(dst, NULL); - - /* WINS */ - for (i = 0; i < nm_ip4_config_get_num_wins(src); i++) { - idx = _wins_get_index(dst, nm_ip4_config_get_wins(src, i)); - if (idx >= 0) - nm_ip4_config_del_wins(dst, idx); - } - - /* DNS priority */ - if (nm_ip4_config_get_dns_priority(src) == nm_ip4_config_get_dns_priority(dst)) - nm_ip4_config_set_dns_priority(dst, 0); - - /* mdns */ - if (nm_ip4_config_mdns_get(src) == nm_ip4_config_mdns_get(dst)) - nm_ip4_config_mdns_set(dst, NM_SETTING_CONNECTION_MDNS_DEFAULT); - - /* LLMNR */ - if (nm_ip4_config_llmnr_get(src) == nm_ip4_config_llmnr_get(dst)) - nm_ip4_config_llmnr_set(dst, NM_SETTING_CONNECTION_LLMNR_DEFAULT); - - g_object_thaw_notify(G_OBJECT(dst)); -} - -static gboolean -_nm_ip4_config_intersect_helper(NMIP4Config * dst, - const NMIP4Config *src, - gboolean intersect_addresses, - gboolean intersect_routes, - guint32 default_route_metric_penalty, - gboolean update_dst) -{ - NMIP4ConfigPrivate * dst_priv; - const NMIP4ConfigPrivate * src_priv; - NMDedupMultiIter ipconf_iter; - const NMPlatformIP4Address *a; - const NMPlatformIP4Route * r; - const NMPObject * new_best_default_route; - gboolean changed, result = FALSE; - - g_return_val_if_fail(src, FALSE); - g_return_val_if_fail(dst, FALSE); - - dst_priv = NM_IP4_CONFIG_GET_PRIVATE(dst); - src_priv = NM_IP4_CONFIG_GET_PRIVATE(src); - - if (update_dst) - g_object_freeze_notify(G_OBJECT(dst)); - - /* addresses */ - if (intersect_addresses) { - changed = FALSE; - nm_ip_config_iter_ip4_address_for_each (&ipconf_iter, dst, &a) { - if (nm_dedup_multi_index_lookup_obj(src_priv->multi_idx, - &src_priv->idx_ip4_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 */ - if (!intersect_routes) - goto skip_routes; - - changed = FALSE; - new_best_default_route = NULL; - nm_ip_config_iter_ip4_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) { - NMPlatformIP4Route *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_IP4_ROUTE(&o_lookup_copy); - rr->metric = - nm_utils_ip_route_metric_penalize(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_ip4_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 (nmp_object_ref_set(&dst_priv->best_default_route, new_best_default_route)) { - nm_assert(changed); - _notify(dst, PROP_GATEWAY); - } - - if (changed) { - _notify_routes(dst); - result = TRUE; - } - -skip_routes: - /* ignore domains */ - /* ignore dns searches */ - /* ignore dns options */ - /* ignore NIS */ - /* ignore WINS */ - /* ignore mdns */ - /* ignore LLMNR */ - - if (update_dst) - g_object_thaw_notify(G_OBJECT(dst)); - return result; -} - -/** - * nm_ip4_config_intersect: - * @dst: a configuration to be updated - * @src: another configuration - * @intersect_addresses: whether addresses should be intersected - * @intersect_routes: whether routes should be intersected - * @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_ip4_config_intersect(NMIP4Config * dst, - const NMIP4Config *src, - gboolean intersect_addresses, - gboolean intersect_routes, - guint32 default_route_metric_penalty) -{ - _nm_ip4_config_intersect_helper(dst, - src, - intersect_addresses, - intersect_routes, - default_route_metric_penalty, - TRUE); -} - -/** - * nm_ip4_config_intersect_alloc: - * @a: a configuration - * @b: another configuration - * @intersect_addresses: whether addresses should be intersected - * @intersect_routes: whether routes should be intersected - * @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. - */ -NMIP4Config * -nm_ip4_config_intersect_alloc(const NMIP4Config *a, - const NMIP4Config *b, - gboolean intersect_addresses, - gboolean intersect_routes, - guint32 default_route_metric_penalty) -{ - NMIP4Config *a_copy; - - if (_nm_ip4_config_intersect_helper((NMIP4Config *) a, - b, - intersect_addresses, - intersect_routes, - default_route_metric_penalty, - FALSE)) { - a_copy = nm_ip4_config_clone(a); - _nm_ip4_config_intersect_helper(a_copy, - b, - intersect_addresses, - intersect_routes, - default_route_metric_penalty, - TRUE); - return a_copy; - } else - return NULL; -} - -/** - * nm_ip4_config_replace: - * @dst: config to replace with @src content - * @src: source config to copy - * @relevant_changes: return whether there are changes to the - * destination object that are relevant. This is equal to - * nm_ip4_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_ip4_config_replace(NMIP4Config *dst, const NMIP4Config *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; - NMIP4ConfigPrivate * dst_priv; - const NMIP4ConfigPrivate * 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(src != NULL, FALSE); - g_return_val_if_fail(dst != NULL, FALSE); - g_return_val_if_fail(src != dst, FALSE); - -#if NM_MORE_ASSERTS - config_equal = nm_ip4_config_equal(dst, src); -#endif - - dst_priv = NM_IP4_CONFIG_GET_PRIVATE(dst); - src_priv = NM_IP4_CONFIG_GET_PRIVATE(src); - - 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_ip4_config_lookup_addresses(src); - nm_dedup_multi_iter_init(&ipconf_iter_src, head_entry_src); - nm_ip_config_iter_ip4_address_init(&ipconf_iter_dst, dst); - are_equal = TRUE; - while (TRUE) { - gboolean has; - const NMPlatformIP4Address *r_src = NULL; - const NMPlatformIP4Address *r_dst = NULL; - - has = nm_platform_dedup_multi_iter_next_ip4_address(&ipconf_iter_src, &r_src); - if (has != nm_platform_dedup_multi_iter_next_ip4_address(&ipconf_iter_dst, &r_dst)) { - are_equal = FALSE; - has_relevant_changes = TRUE; - break; - } - if (!has) - break; - - if (nm_platform_ip4_address_cmp(r_src, r_dst) != 0) { - are_equal = FALSE; - if (r_src->address != r_dst->address || r_src->plen != r_dst->plen - || r_src->peer_address != r_dst->peer_address) { - 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_ip4_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_ip4_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_ip4_addresses, - FALSE); - _notify_addresses(dst); - } - - /* routes */ - head_entry_src = nm_ip4_config_lookup_routes(src); - nm_dedup_multi_iter_init(&ipconf_iter_src, head_entry_src); - nm_ip_config_iter_ip4_route_init(&ipconf_iter_dst, dst); - are_equal = TRUE; - while (TRUE) { - gboolean has; - const NMPlatformIP4Route *r_src = NULL; - const NMPlatformIP4Route *r_dst = NULL; - - has = nm_platform_dedup_multi_iter_next_ip4_route(&ipconf_iter_src, &r_src); - if (has != nm_platform_dedup_multi_iter_next_ip4_route(&ipconf_iter_dst, &r_dst)) { - are_equal = FALSE; - has_relevant_changes = TRUE; - break; - } - if (!has) - break; - - if (nm_platform_ip4_route_cmp_full(r_src, r_dst) != 0) { - are_equal = FALSE; - if (r_src->plen != r_dst->plen - || !nm_utils_ip4_address_same_prefix(r_src->network, r_dst->network, r_src->plen) - || r_src->gateway != r_dst->gateway || r_src->metric != r_dst->metric) { - 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_ip4_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_ip4_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_ip4_routes, - FALSE); - if (nmp_object_ref_set(&dst_priv->best_default_route, new_best_default_route)) - _notify(dst, PROP_GATEWAY); - _notify_routes(dst); - } - - /* nameservers */ - num = nm_ip4_config_get_num_nameservers(src); - are_equal = num == nm_ip4_config_get_num_nameservers(dst); - if (are_equal) { - for (i = 0; i < num; i++) { - if (nm_ip4_config_get_nameserver(src, i) != nm_ip4_config_get_nameserver(dst, i)) { - are_equal = FALSE; - break; - } - } - } - if (!are_equal) { - nm_ip4_config_reset_nameservers(dst); - for (i = 0; i < num; i++) - nm_ip4_config_add_nameserver(dst, nm_ip4_config_get_nameserver(src, i)); - has_relevant_changes = TRUE; - } - - /* domains */ - num = nm_ip4_config_get_num_domains(src); - are_equal = num == nm_ip4_config_get_num_domains(dst); - if (are_equal) { - for (i = 0; i < num; i++) { - if (g_strcmp0(nm_ip4_config_get_domain(src, i), nm_ip4_config_get_domain(dst, i))) { - are_equal = FALSE; - break; - } - } - } - if (!are_equal) { - nm_ip4_config_reset_domains(dst); - for (i = 0; i < num; i++) - nm_ip4_config_add_domain(dst, nm_ip4_config_get_domain(src, i)); - has_relevant_changes = TRUE; - } - - /* dns searches */ - num = nm_ip4_config_get_num_searches(src); - are_equal = num == nm_ip4_config_get_num_searches(dst); - if (are_equal) { - for (i = 0; i < num; i++) { - if (g_strcmp0(nm_ip4_config_get_search(src, i), nm_ip4_config_get_search(dst, i))) { - are_equal = FALSE; - break; - } - } - } - if (!are_equal) { - nm_ip4_config_reset_searches(dst); - for (i = 0; i < num; i++) - nm_ip4_config_add_search(dst, nm_ip4_config_get_search(src, i)); - has_relevant_changes = TRUE; - } - - /* dns options */ - num = nm_ip4_config_get_num_dns_options(src); - are_equal = num == nm_ip4_config_get_num_dns_options(dst); - if (are_equal) { - for (i = 0; i < num; i++) { - if (g_strcmp0(nm_ip4_config_get_dns_option(src, i), - nm_ip4_config_get_dns_option(dst, i))) { - are_equal = FALSE; - break; - } - } - } - if (!are_equal) { - nm_ip4_config_reset_dns_options(dst); - for (i = 0; i < num; i++) - nm_ip4_config_add_dns_option(dst, nm_ip4_config_get_dns_option(src, i)); - has_relevant_changes = TRUE; - } - - if (src_priv->mdns != dst_priv->mdns) { - dst_priv->mdns = src_priv->mdns; - has_relevant_changes = TRUE; - } - - if (src_priv->llmnr != dst_priv->llmnr) { - dst_priv->llmnr = src_priv->llmnr; - has_relevant_changes = TRUE; - } - - /* DNS priority */ - if (src_priv->dns_priority != dst_priv->dns_priority) { - nm_ip4_config_set_dns_priority(dst, src_priv->dns_priority); - has_minor_changes = TRUE; - } - - /* nis */ - num = nm_ip4_config_get_num_nis_servers(src); - are_equal = num == nm_ip4_config_get_num_nis_servers(dst); - if (are_equal) { - for (i = 0; i < num; i++) { - if (nm_ip4_config_get_nis_server(src, i) != nm_ip4_config_get_nis_server(dst, i)) { - are_equal = FALSE; - break; - } - } - } - if (!are_equal) { - nm_ip4_config_reset_nis_servers(dst); - for (i = 0; i < num; i++) - nm_ip4_config_add_nis_server(dst, nm_ip4_config_get_nis_server(src, i)); - has_relevant_changes = TRUE; - } - - /* nis_domain */ - if (g_strcmp0(src_priv->nis_domain, dst_priv->nis_domain)) { - nm_ip4_config_set_nis_domain(dst, src_priv->nis_domain); - has_relevant_changes = TRUE; - } - - /* wins */ - num = nm_ip4_config_get_num_wins(src); - are_equal = num == nm_ip4_config_get_num_wins(dst); - if (are_equal) { - for (i = 0; i < num; i++) { - if (nm_ip4_config_get_wins(src, i) != nm_ip4_config_get_wins(dst, i)) { - are_equal = FALSE; - break; - } - } - } - if (!are_equal) { - nm_ip4_config_reset_wins(dst); - for (i = 0; i < num; i++) - nm_ip4_config_add_wins(dst, nm_ip4_config_get_wins(src, i)); - has_relevant_changes = TRUE; - } - - /* mtu */ - if (src_priv->mtu != dst_priv->mtu || src_priv->mtu_source != dst_priv->mtu_source) { - nm_ip4_config_set_mtu(dst, src_priv->mtu, src_priv->mtu_source); - has_minor_changes = TRUE; - } - - /* metered */ - if (src_priv->metered != dst_priv->metered) { - dst_priv->metered = src_priv->metered; - has_minor_changes = TRUE; - } - - /* never default */ - if (src_priv->never_default != dst_priv->never_default) { - dst_priv->never_default = src_priv->never_default; - 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_ip_config_dump(const NMIPConfig *self, const char *detail, NMLogLevel level, NMLogDomain domain) -{ - NMDedupMultiIter ipconf_iter; - const NMPlatformIP4Address *addr4; - const NMPlatformIP6Address *addr6; - const NMPlatformIP4Route * route4; - const NMPlatformIP6Route * route6; - const NMIP4Config * ip4; - const NMIP6Config * ip6; - int addr_family = AF_UNSPEC; - char addr_family_char = '?'; - const char * path; - gconstpointer ptr; - guint i; - - if (self) { - addr_family = nm_ip_config_get_addr_family(self); - addr_family_char = nm_utils_addr_family_to_char(addr_family); - } - - nm_log(level, domain, NULL, NULL, "---- NMIP%cConfig %p (%s)", addr_family_char, self, detail); - - if (!self) - return; - - path = nm_dbus_object_get_path(NM_DBUS_OBJECT(self)); - if (path) - nm_log(level, domain, NULL, NULL, " path : %s", path); - - if (addr_family == AF_INET) { - ip4 = NM_IP4_CONFIG(self); - nm_ip_config_iter_ip4_address_for_each (&ipconf_iter, ip4, &addr4) { - nm_log(level, - domain, - NULL, - NULL, - " address : %s", - nm_platform_ip4_address_to_string(addr4, NULL, 0)); - } - nm_ip_config_iter_ip4_route_for_each (&ipconf_iter, ip4, &route4) { - nm_log(level, - domain, - NULL, - NULL, - " route : %s", - nm_platform_ip4_route_to_string(route4, NULL, 0)); - } - } else { - ip6 = NM_IP6_CONFIG(self); - nm_ip_config_iter_ip6_address_for_each (&ipconf_iter, ip6, &addr6) { - nm_log(level, - domain, - NULL, - NULL, - " address : %s", - nm_platform_ip6_address_to_string(addr6, NULL, 0)); - } - nm_ip_config_iter_ip6_route_for_each (&ipconf_iter, ip6, &route6) { - nm_log(level, - domain, - NULL, - NULL, - " route : %s", - nm_platform_ip6_route_to_string(route6, NULL, 0)); - } - } - - for (i = 0; i < nm_ip_config_get_num_nameservers(self); i++) { - char buf[NM_UTILS_INET_ADDRSTRLEN]; - - ptr = nm_ip_config_get_nameserver(self, i); - nm_log(level, - domain, - NULL, - NULL, - " dns : %s", - nm_utils_inet_ntop(addr_family, ptr, buf)); - } - - for (i = 0; i < nm_ip_config_get_num_domains(self); i++) - nm_log(level, domain, NULL, NULL, " domain : %s", nm_ip_config_get_domain(self, i)); - - for (i = 0; i < nm_ip_config_get_num_searches(self); i++) - nm_log(level, domain, NULL, NULL, " search : %s", nm_ip_config_get_search(self, i)); - - for (i = 0; i < nm_ip_config_get_num_dns_options(self); i++) - nm_log(level, domain, NULL, NULL, "dns-option: %s", nm_ip_config_get_dns_option(self, i)); - - nm_log(level, domain, NULL, NULL, " dns-prio : %d", nm_ip_config_get_dns_priority(self)); - - if (addr_family == AF_INET) { - ip4 = NM_IP4_CONFIG(self); - nm_log(level, - domain, - NULL, - NULL, - " mtu : %" G_GUINT32_FORMAT " (source: %d)", - nm_ip4_config_get_mtu(ip4), - (int) nm_ip4_config_get_mtu_source(ip4)); - nm_log(level, domain, NULL, NULL, " metered : %d", (int) nm_ip4_config_get_metered(ip4)); - } -} - -/*****************************************************************************/ - -void -nm_ip4_config_reset_addresses(NMIP4Config *self) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - if (nm_dedup_multi_index_remove_idx(priv->multi_idx, &priv->idx_ip4_addresses) > 0) - _notify_addresses(self); -} - -static void -_add_address(NMIP4Config *self, const NMPObject *obj_new, const NMPlatformIP4Address *new) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - if (_nm_ip_config_add_obj(priv->multi_idx, - &priv->idx_ip4_addresses_, - priv->ifindex, - obj_new, - (const NMPlatformObject *) new, - TRUE, - FALSE, - NULL, - NULL)) - _notify_addresses(self); -} - -/** - * nm_ip4_config_add_address: - * @self: the #NMIP4Config - * @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_ip4_config_add_address(NMIP4Config *self, const NMPlatformIP4Address *new) -{ - g_return_if_fail(self); - g_return_if_fail(new); - g_return_if_fail(new->plen <= 32); - g_return_if_fail(NM_IP4_CONFIG_GET_PRIVATE(self)->ifindex > 0); - - _add_address(self, NULL, new); -} - -void -_nmtst_ip4_config_del_address(NMIP4Config *self, guint i) -{ - const NMPlatformIP4Address *a; - - a = _nmtst_ip4_config_get_address(self, i); - if (!nm_ip4_config_nmpobj_remove(self, NMP_OBJECT_UP_CAST(a))) - g_assert_not_reached(); -} - -guint -nm_ip4_config_get_num_addresses(const NMIP4Config *self) -{ - const NMDedupMultiHeadEntry *head_entry; - - head_entry = nm_ip4_config_lookup_addresses(self); - return head_entry ? head_entry->len : 0; -} - -const NMPlatformIP4Address * -nm_ip4_config_get_first_address(const NMIP4Config *self) -{ - NMDedupMultiIter iter; - const NMPlatformIP4Address *a = NULL; - - nm_ip_config_iter_ip4_address_for_each (&iter, self, &a) - return a; - return NULL; -} - -const NMPlatformIP4Address * -_nmtst_ip4_config_get_address(const NMIP4Config *self, guint i) -{ - NMDedupMultiIter iter = {}; - const NMPlatformIP4Address *a = NULL; - guint j; - - j = 0; - nm_ip_config_iter_ip4_address_for_each (&iter, self, &a) { - if (i == j) - return a; - j++; - } - g_return_val_if_reached(NULL); -} - -gboolean -nm_ip4_config_address_exists(const NMIP4Config *self, const NMPlatformIP4Address *needle) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - NMPObject obj_stack; - - nmp_object_stackinit_id_ip4_address(&obj_stack, - priv->ifindex, - needle->address, - needle->plen, - needle->peer_address); - return !!nm_dedup_multi_index_lookup_obj(priv->multi_idx, &priv->idx_ip4_addresses, &obj_stack); -} - -/*****************************************************************************/ - -static const NMDedupMultiEntry * -_lookup_route(const NMIP4Config *self, const NMPObject *needle, NMPlatformIPRouteCmpType cmp_type) -{ - const NMIP4ConfigPrivate *priv; - - nm_assert(NM_IS_IP4_CONFIG(self)); - nm_assert(NMP_OBJECT_GET_TYPE(needle) == NMP_OBJECT_TYPE_IP4_ROUTE); - - priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return _nm_ip_config_lookup_ip_route(priv->multi_idx, &priv->idx_ip4_routes_, needle, cmp_type); -} - -void -nm_ip4_config_reset_routes(NMIP4Config *self) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - if (nm_dedup_multi_index_remove_idx(priv->multi_idx, &priv->idx_ip4_routes) > 0) { - if (nm_clear_nmp_object(&priv->best_default_route)) - _notify(self, PROP_GATEWAY); - _notify_routes(self); - } -} - -static void -_add_route(NMIP4Config * self, - const NMPObject *obj_new, - const NMPlatformIP4Route *new, - const NMPObject **out_obj_new) -{ - NMIP4ConfigPrivate * priv = NM_IP4_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_IP4_ROUTE(obj_new))); - - if (_nm_ip_config_add_obj(priv->multi_idx, - &priv->idx_ip4_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_ip4_config_add_route: - * @self: the #NMIP4Config - * @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_ip4_config_add_route(NMIP4Config *self, - const NMPlatformIP4Route *new, - const NMPObject **out_obj_new) -{ - g_return_if_fail(self); - g_return_if_fail(new); - g_return_if_fail(new->plen <= 32); - g_return_if_fail(NM_IP4_CONFIG_GET_PRIVATE(self)->ifindex > 0); - - _add_route(self, NULL, new, out_obj_new); -} - -void -_nmtst_ip4_config_del_route(NMIP4Config *self, guint i) -{ - const NMPlatformIP4Route *r; - - r = _nmtst_ip4_config_get_route(self, i); - if (!nm_ip4_config_nmpobj_remove(self, NMP_OBJECT_UP_CAST(r))) - g_assert_not_reached(); -} - -guint -nm_ip4_config_get_num_routes(const NMIP4Config *self) -{ - const NMDedupMultiHeadEntry *head_entry; - - head_entry = nm_ip4_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 NMPlatformIP4Route * -_nmtst_ip4_config_get_route(const NMIP4Config *self, guint i) -{ - NMDedupMultiIter iter; - const NMPlatformIP4Route *r = NULL; - guint j; - - j = 0; - nm_ip_config_iter_ip4_route_for_each (&iter, self, &r) { - if (i == j) - return r; - j++; - } - g_return_val_if_reached(NULL); -} - -const NMPlatformIP4Route * -nm_ip4_config_get_direct_route_for_host(const NMIP4Config *self, - in_addr_t host, - guint32 route_table) -{ - const NMPlatformIP4Route *best_route = NULL; - const NMPlatformIP4Route *item; - NMDedupMultiIter ipconf_iter; - - g_return_val_if_fail(host, NULL); - - nm_ip_config_iter_ip4_route_for_each (&ipconf_iter, self, &item) { - if (item->gateway != 0) - 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_ip4_address_clear_host_address(host, item->plen) - != nm_utils_ip4_address_clear_host_address(item->network, item->plen)) - continue; - - if (best_route && best_route->metric <= item->metric) - continue; - - best_route = item; - } - return best_route; -} - -/*****************************************************************************/ - -void -nm_ip4_config_reset_nameservers(NMIP4Config *self) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - if (priv->nameservers->len != 0) { - g_array_set_size(priv->nameservers, 0); - nm_gobject_notify_together(self, PROP_NAMESERVER_DATA, PROP_NAMESERVERS); - } -} - -void -nm_ip4_config_add_nameserver(NMIP4Config *self, guint32 new) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - int i; - - g_return_if_fail(new != 0); - - for (i = 0; i < priv->nameservers->len; i++) - if (new == g_array_index(priv->nameservers, guint32, i)) - return; - - g_array_append_val(priv->nameservers, new); - nm_gobject_notify_together(self, PROP_NAMESERVER_DATA, PROP_NAMESERVERS); -} - -void -nm_ip4_config_del_nameserver(NMIP4Config *self, guint i) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - g_return_if_fail(i < priv->nameservers->len); - - g_array_remove_index(priv->nameservers, i); - nm_gobject_notify_together(self, PROP_NAMESERVER_DATA, PROP_NAMESERVERS); -} - -guint -nm_ip4_config_get_num_nameservers(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return priv->nameservers->len; -} - -guint32 -nm_ip4_config_get_nameserver(const NMIP4Config *self, guint i) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return g_array_index(priv->nameservers, guint32, i); -} - -const in_addr_t * -_nm_ip4_config_get_nameserver(const NMIP4Config *self, guint i) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return &g_array_index(priv->nameservers, guint32, i); -} - -/*****************************************************************************/ - -gboolean -_nm_ip_config_check_and_add_domain(GPtrArray *array, const char *domain) -{ - char * copy = NULL; - size_t len; - - g_return_val_if_fail(domain, FALSE); - g_return_val_if_fail(domain[0] != '\0', FALSE); - - if (domain[0] == '.' || strstr(domain, "..")) - return FALSE; - - len = strlen(domain); - if (domain[len - 1] == '.') - domain = copy = g_strndup(domain, len - 1); - - if (nm_utils_strv_find_first((char **) array->pdata, array->len, domain) >= 0) { - g_free(copy); - return FALSE; - } - - g_ptr_array_add(array, copy ?: g_strdup(domain)); - return TRUE; -} - -void -nm_ip4_config_reset_domains(NMIP4Config *self) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - if (priv->domains->len != 0) { - g_ptr_array_set_size(priv->domains, 0); - _notify(self, PROP_DOMAINS); - } -} - -void -nm_ip4_config_add_domain(NMIP4Config *self, const char *domain) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - if (_nm_ip_config_check_and_add_domain(priv->domains, domain)) - _notify(self, PROP_DOMAINS); -} - -void -nm_ip4_config_del_domain(NMIP4Config *self, guint i) -{ - NMIP4ConfigPrivate *priv = NM_IP4_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_ip4_config_get_num_domains(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return priv->domains->len; -} - -const char * -nm_ip4_config_get_domain(const NMIP4Config *self, guint i) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return g_ptr_array_index(priv->domains, i); -} - -/*****************************************************************************/ - -void -nm_ip4_config_reset_searches(NMIP4Config *self) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - if (priv->searches->len != 0) { - g_ptr_array_set_size(priv->searches, 0); - _notify(self, PROP_SEARCHES); - } -} - -void -nm_ip4_config_add_search(NMIP4Config *self, const char *search) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - if (_nm_ip_config_check_and_add_domain(priv->searches, search)) - _notify(self, PROP_SEARCHES); -} - -void -nm_ip4_config_del_search(NMIP4Config *self, guint i) -{ - NMIP4ConfigPrivate *priv = NM_IP4_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_ip4_config_get_num_searches(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return priv->searches->len; -} - -const char * -nm_ip4_config_get_search(const NMIP4Config *self, guint i) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return g_ptr_array_index(priv->searches, i); -} - -/*****************************************************************************/ - -void -nm_ip4_config_reset_dns_options(NMIP4Config *self) -{ - NMIP4ConfigPrivate *priv = NM_IP4_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_ip4_config_add_dns_option(NMIP4Config *self, const char *new) -{ - NMIP4ConfigPrivate *priv = NM_IP4_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_ip4_config_del_dns_option(NMIP4Config *self, guint i) -{ - NMIP4ConfigPrivate *priv = NM_IP4_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_ip4_config_get_num_dns_options(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return priv->dns_options->len; -} - -const char * -nm_ip4_config_get_dns_option(const NMIP4Config *self, guint i) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return g_ptr_array_index(priv->dns_options, i); -} - -/*****************************************************************************/ - -NMSettingConnectionMdns -nm_ip4_config_mdns_get(const NMIP4Config *self) -{ - return NM_IP4_CONFIG_GET_PRIVATE(self)->mdns; -} - -void -nm_ip4_config_mdns_set(NMIP4Config *self, NMSettingConnectionMdns mdns) -{ - NM_IP4_CONFIG_GET_PRIVATE(self)->mdns = mdns; -} - -NMSettingConnectionLlmnr -nm_ip4_config_llmnr_get(const NMIP4Config *self) -{ - return NM_IP4_CONFIG_GET_PRIVATE(self)->llmnr; -} - -void -nm_ip4_config_llmnr_set(NMIP4Config *self, NMSettingConnectionLlmnr llmnr) -{ - NM_IP4_CONFIG_GET_PRIVATE(self)->llmnr = llmnr; -} - -/*****************************************************************************/ - -NMIPConfigFlags -nm_ip4_config_get_config_flags(const NMIP4Config *self) -{ - return NM_IP4_CONFIG_GET_PRIVATE(self)->config_flags; -} - -void -nm_ip4_config_set_config_flags(NMIP4Config *self, NMIPConfigFlags flags, NMIPConfigFlags mask) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - if (mask == 0) { - /* for convenience, accept 0 mask to set any flags. */ - mask = flags; - } - - nm_assert(!NM_FLAGS_ANY(flags, ~mask)); - priv->config_flags = (flags & mask) | (priv->config_flags & ~mask); -} - -/*****************************************************************************/ - -void -nm_ip4_config_set_dns_priority(NMIP4Config *self, int priority) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - if (priority != priv->dns_priority) { - priv->dns_priority = priority; - _notify(self, PROP_DNS_PRIORITY); - } -} - -int -nm_ip4_config_get_dns_priority(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return priv->dns_priority; -} - -/*****************************************************************************/ - -void -nm_ip4_config_reset_nis_servers(NMIP4Config *self) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - g_array_set_size(priv->nis, 0); -} - -void -nm_ip4_config_add_nis_server(NMIP4Config *self, guint32 nis) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - int i; - - for (i = 0; i < priv->nis->len; i++) - if (nis == g_array_index(priv->nis, guint32, i)) - return; - - g_array_append_val(priv->nis, nis); -} - -void -nm_ip4_config_del_nis_server(NMIP4Config *self, guint i) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - g_return_if_fail(i < priv->nis->len); - - g_array_remove_index(priv->nis, i); -} - -guint -nm_ip4_config_get_num_nis_servers(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return priv->nis->len; -} - -guint32 -nm_ip4_config_get_nis_server(const NMIP4Config *self, guint i) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return g_array_index(priv->nis, guint32, i); -} - -void -nm_ip4_config_set_nis_domain(NMIP4Config *self, const char *domain) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - g_free(priv->nis_domain); - priv->nis_domain = g_strdup(domain); -} - -const char * -nm_ip4_config_get_nis_domain(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return priv->nis_domain; -} - -/*****************************************************************************/ - -void -nm_ip4_config_reset_wins(NMIP4Config *self) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - if (priv->wins->len != 0) { - g_array_set_size(priv->wins, 0); - nm_gobject_notify_together(self, PROP_WINS_SERVER_DATA, PROP_WINS_SERVERS); - } -} - -void -nm_ip4_config_add_wins(NMIP4Config *self, guint32 wins) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - int i; - - g_return_if_fail(wins != 0); - - for (i = 0; i < priv->wins->len; i++) - if (wins == g_array_index(priv->wins, guint32, i)) - return; - - g_array_append_val(priv->wins, wins); - nm_gobject_notify_together(self, PROP_WINS_SERVER_DATA, PROP_WINS_SERVERS); -} - -void -nm_ip4_config_del_wins(NMIP4Config *self, guint i) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - g_return_if_fail(i < priv->wins->len); - - g_array_remove_index(priv->wins, i); - nm_gobject_notify_together(self, PROP_WINS_SERVER_DATA, PROP_WINS_SERVERS); -} - -guint -nm_ip4_config_get_num_wins(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return priv->wins->len; -} - -guint32 -nm_ip4_config_get_wins(const NMIP4Config *self, guint i) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return g_array_index(priv->wins, guint32, i); -} - -/*****************************************************************************/ - -void -nm_ip4_config_set_mtu(NMIP4Config *self, guint32 mtu, NMIPConfigSource source) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - if (!mtu) - source = NM_IP_CONFIG_SOURCE_UNKNOWN; - - priv->mtu = mtu; - priv->mtu_source = source; -} - -guint32 -nm_ip4_config_get_mtu(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return priv->mtu; -} - -NMIPConfigSource -nm_ip4_config_get_mtu_source(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return priv->mtu_source; -} - -/*****************************************************************************/ - -void -nm_ip4_config_set_metered(NMIP4Config *self, gboolean metered) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - priv->metered = metered; -} - -gboolean -nm_ip4_config_get_metered(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return priv->metered; -} - -/*****************************************************************************/ - -void -nm_ip4_config_set_never_default(NMIP4Config *self, gboolean never_default) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - priv->never_default = never_default; -} - -gboolean -nm_ip4_config_get_never_default(const NMIP4Config *self) -{ - const NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - return priv->never_default; -} - -/*****************************************************************************/ - -const NMPObject * -nm_ip4_config_nmpobj_lookup(const NMIP4Config *self, const NMPObject *needle) -{ - const NMIP4ConfigPrivate * priv; - const NMDedupMultiIdxType *idx_type; - - g_return_val_if_fail(NM_IS_IP4_CONFIG(self), NULL); - - priv = NM_IP4_CONFIG_GET_PRIVATE(self); - switch (NMP_OBJECT_GET_TYPE(needle)) { - case NMP_OBJECT_TYPE_IP4_ADDRESS: - idx_type = &priv->idx_ip4_addresses; - break; - case NMP_OBJECT_TYPE_IP4_ROUTE: - idx_type = &priv->idx_ip4_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_ip4_config_nmpobj_remove(NMIP4Config *self, const NMPObject *needle) -{ - NMIP4ConfigPrivate * priv; - NMDedupMultiIdxType *idx_type; - nm_auto_nmpobj const NMPObject *obj_old = NULL; - guint n; - - g_return_val_if_fail(NM_IS_IP4_CONFIG(self), FALSE); - - priv = NM_IP4_CONFIG_GET_PRIVATE(self); - switch (NMP_OBJECT_GET_TYPE(needle)) { - case NMP_OBJECT_TYPE_IP4_ADDRESS: - idx_type = &priv->idx_ip4_addresses; - break; - case NMP_OBJECT_TYPE_IP4_ROUTE: - idx_type = &priv->idx_ip4_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_IP4_ADDRESS: - _notify_addresses(self); - break; - case NMP_OBJECT_TYPE_IP4_ROUTE: - if (priv->best_default_route == obj_old) { - if (nmp_object_ref_set(&priv->best_default_route, - _nm_ip4_config_best_default_route_find(self))) - _notify(self, PROP_GATEWAY); - } - _notify_routes(self); - break; - default: - nm_assert_not_reached(); - } - return TRUE; -} - -/*****************************************************************************/ - -static void -hash_u32(GChecksum *sum, guint32 n) -{ - g_checksum_update(sum, (const guint8 *) &n, sizeof(n)); -} - -void -nm_ip4_config_hash(const NMIP4Config *self, GChecksum *sum, gboolean dns_only) -{ - guint i; - const char * s; - NMDedupMultiIter ipconf_iter; - const NMPlatformIP4Address *address; - const NMPlatformIP4Route * route; - int val; - - g_return_if_fail(self); - g_return_if_fail(sum); - - if (!dns_only) { - nm_ip_config_iter_ip4_address_for_each (&ipconf_iter, self, &address) { - hash_u32(sum, address->address); - hash_u32(sum, address->plen); - hash_u32(sum, address->peer_address & _nm_utils_ip4_prefix_to_netmask(address->plen)); - } - - nm_ip_config_iter_ip4_route_for_each (&ipconf_iter, self, &route) { - hash_u32(sum, route->network); - hash_u32(sum, route->plen); - hash_u32(sum, route->gateway); - hash_u32(sum, route->metric); - } - - for (i = 0; i < nm_ip4_config_get_num_nis_servers(self); i++) - hash_u32(sum, nm_ip4_config_get_nis_server(self, i)); - - s = nm_ip4_config_get_nis_domain(self); - if (s) - g_checksum_update(sum, (const guint8 *) s, strlen(s)); - } - - for (i = 0; i < nm_ip4_config_get_num_nameservers(self); i++) - hash_u32(sum, nm_ip4_config_get_nameserver(self, i)); - - for (i = 0; i < nm_ip4_config_get_num_wins(self); i++) - hash_u32(sum, nm_ip4_config_get_wins(self, i)); - - for (i = 0; i < nm_ip4_config_get_num_domains(self); i++) { - s = nm_ip4_config_get_domain(self, i); - g_checksum_update(sum, (const guint8 *) s, strlen(s)); - } - - for (i = 0; i < nm_ip4_config_get_num_searches(self); i++) { - s = nm_ip4_config_get_search(self, i); - g_checksum_update(sum, (const guint8 *) s, strlen(s)); - } - - for (i = 0; i < nm_ip4_config_get_num_dns_options(self); i++) { - s = nm_ip4_config_get_dns_option(self, i); - g_checksum_update(sum, (const guint8 *) s, strlen(s)); - } - - val = nm_ip4_config_mdns_get(self); - if (val != NM_SETTING_CONNECTION_MDNS_DEFAULT) - g_checksum_update(sum, (const guint8 *) &val, sizeof(val)); - - val = nm_ip4_config_llmnr_get(self); - if (val != NM_SETTING_CONNECTION_LLMNR_DEFAULT) - g_checksum_update(sum, (const guint8 *) &val, sizeof(val)); - - /* FIXME(ip-config-checksum): the DNS priority should be considered relevant - * and added into the checksum as well, but this can't be done right now - * because in the DNS manager we rely on the fact that an empty - * configuration (i.e. just created) has a zero checksum. This is needed to - * avoid rewriting resolv.conf when there is no change. - * - * The DNS priority initial value depends on the connection type (VPN or - * not), so it's a bit difficult to add it to checksum maintaining the - * assumption of checksum(empty)=0 - */ -} - -/** - * nm_ip4_config_equal: - * @a: first config to compare - * @b: second config to compare - * - * Compares two #NMIP4Configs 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_ip4_config_equal(const NMIP4Config *a, const NMIP4Config *b) -{ - nm_auto_free_checksum GChecksum *a_checksum = g_checksum_new(G_CHECKSUM_SHA1); - nm_auto_free_checksum GChecksum *b_checksum = g_checksum_new(G_CHECKSUM_SHA1); - guint8 a_data[NM_UTILS_CHECKSUM_LENGTH_SHA1]; - guint8 b_data[NM_UTILS_CHECKSUM_LENGTH_SHA1]; - - if (a) - nm_ip4_config_hash(a, a_checksum, FALSE); - if (b) - nm_ip4_config_hash(b, b_checksum, FALSE); - - nm_utils_checksum_get_digest(a_checksum, a_data); - nm_utils_checksum_get_digest(b_checksum, b_data); - return !memcmp(a_data, b_data, sizeof(a_data)); -} - -/*****************************************************************************/ - -static void -get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) -{ - NMIP4Config * self = NM_IP4_CONFIG(object); - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - char addr_str[NM_UTILS_INET_ADDRSTRLEN]; - GVariantBuilder builder_data; - guint i; - - 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) { - nm_utils_ip_addresses_to_dbus(AF_INET, - nm_ip4_config_lookup_addresses(self), - priv->best_default_route, - NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN, - &priv->address_data_variant, - &priv->addresses_variant); - g_variant_ref_sink(priv->address_data_variant); - g_variant_ref_sink(priv->addresses_variant); - } - - 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) { - nm_utils_ip_routes_to_dbus(AF_INET, - nm_ip4_config_lookup_routes(self), - &priv->route_data_variant, - &priv->routes_variant); - g_variant_ref_sink(priv->route_data_variant); - g_variant_ref_sink(priv->routes_variant); - } - - 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_take_string(value, - nm_utils_inet4_ntop_dup( - NMP_OBJECT_CAST_IP4_ROUTE(priv->best_default_route)->gateway)); - } else - g_value_set_string(value, NULL); - break; - case PROP_NAMESERVER_DATA: - g_variant_builder_init(&builder_data, G_VARIANT_TYPE("aa{sv}")); - - for (i = 0; i < priv->nameservers->len; i++) { - GVariantBuilder nested_builder; - - _nm_utils_inet4_ntop(g_array_index(priv->nameservers, in_addr_t, i), addr_str); - - g_variant_builder_init(&nested_builder, G_VARIANT_TYPE("a{sv}")); - g_variant_builder_add(&nested_builder, - "{sv}", - "address", - g_variant_new_string(addr_str)); - g_variant_builder_add(&builder_data, "a{sv}", &nested_builder); - } - - g_value_take_variant(value, g_variant_builder_end(&builder_data)); - break; - case PROP_NAMESERVERS: - g_value_take_variant( - value, - nm_g_variant_new_au((const guint32 *) priv->nameservers->data, priv->nameservers->len)); - 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; - case PROP_WINS_SERVER_DATA: - g_variant_builder_init(&builder_data, G_VARIANT_TYPE("as")); - for (i = 0; i < priv->wins->len; i++) { - g_variant_builder_add( - &builder_data, - "s", - _nm_utils_inet4_ntop(g_array_index(priv->wins, in_addr_t, i), addr_str)); - } - g_value_take_variant(value, g_variant_builder_end(&builder_data)); - break; - case PROP_WINS_SERVERS: - g_value_take_variant( - value, - nm_g_variant_new_au((const guint32 *) priv->wins->data, priv->wins->len)); - 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) -{ - NMIP4Config * self = NM_IP4_CONFIG(object); - NMIP4ConfigPrivate *priv = NM_IP4_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_ip4_config_init(NMIP4Config *self) -{ - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - nm_ip_config_dedup_multi_idx_type_init((NMIPConfigDedupMultiIdxType *) &priv->idx_ip4_addresses, - NMP_OBJECT_TYPE_IP4_ADDRESS); - nm_ip_config_dedup_multi_idx_type_init((NMIPConfigDedupMultiIdxType *) &priv->idx_ip4_routes, - NMP_OBJECT_TYPE_IP4_ROUTE); - - priv->mdns = NM_SETTING_CONNECTION_MDNS_DEFAULT; - priv->llmnr = NM_SETTING_CONNECTION_LLMNR_DEFAULT; - priv->nameservers = g_array_new(FALSE, FALSE, sizeof(guint32)); - 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); - priv->nis = g_array_new(FALSE, TRUE, sizeof(guint32)); - priv->wins = g_array_new(FALSE, TRUE, sizeof(guint32)); -} - -NMIP4Config * -nm_ip4_config_new(NMDedupMultiIndex *multi_idx, int ifindex) -{ - g_return_val_if_fail(ifindex >= -1, NULL); - return g_object_new(NM_TYPE_IP4_CONFIG, - NM_IP4_CONFIG_MULTI_IDX, - multi_idx, - NM_IP4_CONFIG_IFINDEX, - ifindex, - NULL); -} - -static void -finalize(GObject *object) -{ - NMIP4Config * self = NM_IP4_CONFIG(object); - NMIP4ConfigPrivate *priv = NM_IP4_CONFIG_GET_PRIVATE(self); - - nm_clear_nmp_object(&priv->best_default_route); - - nm_dedup_multi_index_remove_idx(priv->multi_idx, &priv->idx_ip4_addresses); - nm_dedup_multi_index_remove_idx(priv->multi_idx, &priv->idx_ip4_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_array_unref(priv->nis); - g_free(priv->nis_domain); - g_array_unref(priv->wins); - - G_OBJECT_CLASS(nm_ip4_config_parent_class)->finalize(object); - - nm_dedup_multi_index_unref(priv->multi_idx); -} - -static const NMDBusInterfaceInfoExtended interface_info_ip4_config = { - .parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT( - NM_DBUS_INTERFACE_IP4_CONFIG, - .properties = NM_DEFINE_GDBUS_PROPERTY_INFOS( - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Addresses", - "aau", - NM_IP4_CONFIG_ADDRESSES), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("AddressData", - "aa{sv}", - NM_IP4_CONFIG_ADDRESS_DATA), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Gateway", "s", NM_IP4_CONFIG_GATEWAY), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Routes", "aau", NM_IP4_CONFIG_ROUTES), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("RouteData", - "aa{sv}", - NM_IP4_CONFIG_ROUTE_DATA), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("NameserverData", - "aa{sv}", - NM_IP4_CONFIG_NAMESERVER_DATA), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Nameservers", - "au", - NM_IP4_CONFIG_NAMESERVERS), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Domains", "as", NM_IP4_CONFIG_DOMAINS), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Searches", - "as", - NM_IP4_CONFIG_SEARCHES), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("DnsOptions", - "as", - NM_IP4_CONFIG_DNS_OPTIONS), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("DnsPriority", - "i", - NM_IP4_CONFIG_DNS_PRIORITY), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("WinsServerData", - "as", - NM_IP4_CONFIG_WINS_SERVER_DATA), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("WinsServers", - "au", - NM_IP4_CONFIG_WINS_SERVERS), ), ), -}; - -static void -nm_ip4_config_class_init(NMIP4ConfigClass *klass) -{ - GObjectClass * object_class = G_OBJECT_CLASS(klass); - NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS(klass); - NMIPConfigClass * ip_config_class = NM_IP_CONFIG_CLASS(klass); - - ip_config_class->is_ipv4 = TRUE; - ip_config_class->addr_family = AF_INET; - - dbus_object_class->export_path = NM_DBUS_EXPORT_PATH_NUMBERED(NM_DBUS_PATH "/IP4Config"); - dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS(&interface_info_ip4_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_IP4_CONFIG_MULTI_IDX, - "", - "", - G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_IFINDEX] = - g_param_spec_int(NM_IP4_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_IP4_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_IP4_CONFIG_ADDRESSES, - "", - "", - G_VARIANT_TYPE("aau"), - NULL, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_ROUTE_DATA] = - g_param_spec_variant(NM_IP4_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_IP4_CONFIG_ROUTES, - "", - "", - G_VARIANT_TYPE("aau"), - NULL, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_GATEWAY] = g_param_spec_string(NM_IP4_CONFIG_GATEWAY, - "", - "", - NULL, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_NAMESERVER_DATA] = - g_param_spec_variant(NM_IP4_CONFIG_NAMESERVER_DATA, - "", - "", - G_VARIANT_TYPE("aa{sv}"), - NULL, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_NAMESERVERS] = - g_param_spec_variant(NM_IP4_CONFIG_NAMESERVERS, - "", - "", - G_VARIANT_TYPE("au"), - NULL, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_DOMAINS] = g_param_spec_boxed(NM_IP4_CONFIG_DOMAINS, - "", - "", - G_TYPE_STRV, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_SEARCHES] = g_param_spec_boxed(NM_IP4_CONFIG_SEARCHES, - "", - "", - G_TYPE_STRV, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_DNS_OPTIONS] = - g_param_spec_boxed(NM_IP4_CONFIG_DNS_OPTIONS, - "", - "", - G_TYPE_STRV, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_DNS_PRIORITY] = g_param_spec_int(NM_IP4_CONFIG_DNS_PRIORITY, - "", - "", - G_MININT32, - G_MAXINT32, - 0, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_WINS_SERVER_DATA] = - g_param_spec_variant(NM_IP4_CONFIG_WINS_SERVER_DATA, - "", - "", - G_VARIANT_TYPE("as"), - NULL, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - obj_properties[PROP_WINS_SERVERS] = - g_param_spec_variant(NM_IP4_CONFIG_WINS_SERVERS, - "", - "", - G_VARIANT_TYPE("au"), - NULL, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - - g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties); -} |