/* SPDX-License-Identifier: LGPL-2.1-or-later */ #ifndef __NM_L3_CONFIG_DATA_H__ #define __NM_L3_CONFIG_DATA_H__ #include "nm-glib-aux/nm-dedup-multi.h" #include "nm-setting-connection.h" #include "nm-setting-ip6-config.h" #include "platform/nm-platform.h" #include "platform/nmp-object.h" typedef enum { NM_L3_CONFIG_DAT_FLAGS_NONE = 0, /* if set, then the merge flag NM_L3_CONFIG_MERGE_FLAGS_NO_DEFAULT_ROUTES gets * ignored during merge. */ NM_L3_CONFIG_DAT_FLAGS_IGNORE_MERGE_NO_DEFAULT_ROUTES = (1ull << 0), NM_L3_CONFIG_DAT_FLAGS_HAS_DNS_PRIORITY_4 = (1ull << 1), NM_L3_CONFIG_DAT_FLAGS_HAS_DNS_PRIORITY_6 = (1ull << 2), #define NM_L3_CONFIG_DAT_FLAGS_HAS_DNS_PRIORITY(is_ipv4) \ ((is_ipv4) ? NM_L3_CONFIG_DAT_FLAGS_HAS_DNS_PRIORITY_4 \ : NM_L3_CONFIG_DAT_FLAGS_HAS_DNS_PRIORITY_6) } NML3ConfigDatFlags; typedef enum { NM_L3_CONFIG_ADD_FLAGS_NONE = 0, /* If the object does not yet exist, it will be added. If it already exists, * by default the object will be replaced. With this flag, the new object will * be merged with the existing one. */ NM_L3_CONFIG_ADD_FLAGS_MERGE = (1ull << 0), /* If the object does not yet exist, it will be added. If it already exists, * by default the object will be replaced. With this flag, the add will have * no effect and the existing object will be kept. */ NM_L3_CONFIG_ADD_FLAGS_EXCLUSIVE = (1ull << 1), /* A new object gets appended by default. If the object already exists, * by default it will not be moved. With APPEND-FORCE, we will always move * an existing object to the end of the list. */ NM_L3_CONFIG_ADD_FLAGS_APPEND_FORCE = (1ull << 2), } NML3ConfigAddFlags; /** * NML3ConfigMergeFlags: * @NM_L3_CONFIG_MERGE_FLAGS_NONE: no flags set * @NM_L3_CONFIG_MERGE_FLAGS_ONLY_FOR_ACD: if this merge flag is set, * the the NML3ConfigData doesn't get merged and it's information won't be * synced. The only purpose is to run ACD on its IPv4 addresses, but * regardless whether ACD succeeds/fails, the IP addresses won't be configured. * The point is to run ACD first (without configuring it), and only * commit the settings if requested. That can either happen by * nm_l3cfg_add_config() the same NML3Cfg again (with a different * tag), or by calling nm_l3cfg_add_config() again with this flag * cleared (and the same tag). * @NM_L3_CONFIG_MERGE_FLAGS_NO_ROUTES: don't merge routes * @NM_L3_CONFIG_MERGE_FLAGS_NO_DEFAULT_ROUTES: don't merge default routes. * Note that if the respective NML3ConfigData has NM_L3_CONFIG_DAT_FLAGS_IGNORE_MERGE_NO_DEFAULT_ROUTES * set, this flag gets ignored during merge. * @NM_L3_CONFIG_MERGE_FLAGS_NO_DNS: don't merge DNS information */ typedef enum _nm_packed { NM_L3_CONFIG_MERGE_FLAGS_NONE = 0, NM_L3_CONFIG_MERGE_FLAGS_ONLY_FOR_ACD = (1LL << 0), NM_L3_CONFIG_MERGE_FLAGS_NO_ROUTES = (1LL << 1), NM_L3_CONFIG_MERGE_FLAGS_NO_DEFAULT_ROUTES = (1LL << 2), NM_L3_CONFIG_MERGE_FLAGS_NO_DNS = (1LL << 3), } NML3ConfigMergeFlags; /*****************************************************************************/ static inline gboolean NM_IS_L3_CONFIG_DATA(const NML3ConfigData *self); NML3ConfigData * nm_l3_config_data_new(NMDedupMultiIndex *multi_idx, int ifindex); const NML3ConfigData *nm_l3_config_data_ref(const NML3ConfigData *self); const NML3ConfigData *nm_l3_config_data_ref_and_seal(const NML3ConfigData *self); const NML3ConfigData *nm_l3_config_data_seal(const NML3ConfigData *self); void nm_l3_config_data_unref(const NML3ConfigData *self); #define nm_clear_l3cd(ptr) nm_clear_pointer((ptr), nm_l3_config_data_unref) NM_AUTO_DEFINE_FCN0(const NML3ConfigData *, _nm_auto_unref_l3cd, nm_l3_config_data_unref); #define nm_auto_unref_l3cd nm_auto(_nm_auto_unref_l3cd) NM_AUTO_DEFINE_FCN0(NML3ConfigData *, _nm_auto_unref_l3cd_init, nm_l3_config_data_unref); #define nm_auto_unref_l3cd_init nm_auto(_nm_auto_unref_l3cd_init) static inline gboolean nm_l3_config_data_reset(const NML3ConfigData **dst, const NML3ConfigData *src) { nm_auto_unref_l3cd const NML3ConfigData *old = NULL; nm_assert(dst); nm_assert(!*dst || NM_IS_L3_CONFIG_DATA(*dst)); nm_assert(!src || NM_IS_L3_CONFIG_DATA(src)); if (*dst == src) return FALSE; old = *dst; *dst = src ? nm_l3_config_data_ref_and_seal(src) : NULL; return TRUE; } static inline gboolean nm_l3_config_data_reset_take(const NML3ConfigData **dst, const NML3ConfigData *src) { nm_auto_unref_l3cd const NML3ConfigData *old = NULL; nm_assert(dst); nm_assert(!*dst || NM_IS_L3_CONFIG_DATA(*dst)); nm_assert(!src || NM_IS_L3_CONFIG_DATA(src)); if (*dst == src) { if (src) nm_l3_config_data_unref(src); return FALSE; } old = *dst; *dst = src ? nm_l3_config_data_seal(src) : NULL; return TRUE; } gboolean nm_l3_config_data_is_sealed(const NML3ConfigData *self); NML3ConfigData *nm_l3_config_data_new_clone(const NML3ConfigData *src, int ifindex); NML3ConfigData *nm_l3_config_data_new_from_connection(NMDedupMultiIndex *multi_idx, int ifindex, NMConnection * connection, guint32 route_table_4, guint32 route_table_6, guint32 route_metric_4, guint32 route_metric_6); NML3ConfigData *nm_l3_config_data_new_from_platform(NMDedupMultiIndex * multi_idx, int ifindex, NMPlatform * platform, NMSettingIP6ConfigPrivacy ipv6_privacy_rfc4941); typedef gboolean (*NML3ConfigMergeHookAddObj)(const NML3ConfigData *l3cd, const NMPObject * obj, NMTernary * out_ip4acd_not_ready, gpointer user_data); void nm_l3_config_data_merge(NML3ConfigData * self, const NML3ConfigData *src, NML3ConfigMergeFlags merge_flags, const guint32 *default_route_table_x /* length 2, for IS_IPv4 */, const guint32 *default_route_metric_x /* length 2, for IS_IPv4 */, const guint32 *default_route_penalty_x /* length 2, for IS_IPv4 */, NML3ConfigMergeHookAddObj hook_add_addr, gpointer hook_user_data); GPtrArray *nm_l3_config_data_get_blacklisted_ip4_routes(const NML3ConfigData *self, gboolean is_vrf); void nm_l3_config_data_add_dependent_routes(NML3ConfigData *self, int addr_family, guint32 route_table, guint32 route_metric, gboolean is_vrf); /*****************************************************************************/ void nm_l3_config_data_log(const NML3ConfigData *self, const char * title, const char * prefix, NMLogLevel log_level, NMLogDomain log_domain); /*****************************************************************************/ int nm_l3_config_data_get_ifindex(const NML3ConfigData *self); static inline gboolean NM_IS_L3_CONFIG_DATA(const NML3ConfigData *self) { /* NML3ConfigData is not an NMObject/GObject, so we cannot ask which type it has. * This check here is really only useful for assertions, and there it is * enough to check whether the pointer is not NULL. * * Additionally, also call nm_l3_config_data_get_ifindex(), which does more * checks during nm_assert(). */ nm_assert(nm_l3_config_data_get_ifindex(self) > 0); return !!self; } NMDedupMultiIndex *nm_l3_config_data_get_multi_idx(const NML3ConfigData *self); /*****************************************************************************/ int nm_l3_config_data_cmp(const NML3ConfigData *a, const NML3ConfigData *b); static inline gboolean nm_l3_config_data_equal(const NML3ConfigData *a, const NML3ConfigData *b) { return nm_l3_config_data_cmp(a, b) == 0; } /*****************************************************************************/ const NMDedupMultiIdxType *nm_l3_config_data_lookup_index(const NML3ConfigData *self, NMPObjectType obj_type); const NMDedupMultiEntry *nm_l3_config_data_lookup_obj(const NML3ConfigData *self, const NMPObject * obj); const NMPlatformIP6Address *nm_l3_config_data_lookup_address_6(const NML3ConfigData * self, const struct in6_addr *addr); const NMDedupMultiEntry *nm_l3_config_data_lookup_route_obj(const NML3ConfigData *self, const NMPObject * needle); const NMDedupMultiEntry *nm_l3_config_data_lookup_route(const NML3ConfigData * self, int addr_family, const NMPlatformIPRoute *needle); const NMDedupMultiHeadEntry *nm_l3_config_data_lookup_objs(const NML3ConfigData *self, NMPObjectType obj_type); static inline const NMDedupMultiHeadEntry * nm_l3_config_data_lookup_addresses(const NML3ConfigData *self, int addr_family) { return nm_l3_config_data_lookup_objs(self, NMP_OBJECT_TYPE_IP_ADDRESS(NM_IS_IPv4(addr_family))); } static inline const NMDedupMultiHeadEntry * nm_l3_config_data_lookup_routes(const NML3ConfigData *self, int addr_family) { return nm_l3_config_data_lookup_objs(self, NMP_OBJECT_TYPE_IP_ROUTE(NM_IS_IPv4(addr_family))); } #define nm_l3_config_data_iter_obj_for_each(iter, self, obj, type) \ for (nm_dedup_multi_iter_init((iter), nm_l3_config_data_lookup_objs((self), (type))); \ nm_platform_dedup_multi_iter_next_obj((iter), (obj), (type));) #define nm_l3_config_data_iter_ip4_address_for_each(iter, self, address) \ for (nm_dedup_multi_iter_init((iter), nm_l3_config_data_lookup_addresses((self), AF_INET)); \ nm_platform_dedup_multi_iter_next_ip4_address((iter), (address));) #define nm_l3_config_data_iter_ip6_address_for_each(iter, self, address) \ for (nm_dedup_multi_iter_init((iter), nm_l3_config_data_lookup_addresses((self), AF_INET6)); \ nm_platform_dedup_multi_iter_next_ip6_address((iter), (address));) #define nm_l3_config_data_iter_ip4_route_for_each(iter, self, route) \ for (nm_dedup_multi_iter_init((iter), nm_l3_config_data_lookup_routes((self), AF_INET)); \ nm_platform_dedup_multi_iter_next_ip4_route((iter), (route));) #define nm_l3_config_data_iter_ip6_route_for_each(iter, self, route) \ for (nm_dedup_multi_iter_init((iter), nm_l3_config_data_lookup_routes((self), AF_INET6)); \ nm_platform_dedup_multi_iter_next_ip6_route((iter), (route));) static inline guint nm_l3_config_data_get_num_objs(const NML3ConfigData *self, NMPObjectType obj_type) { const NMDedupMultiHeadEntry *head_entry; head_entry = nm_l3_config_data_lookup_objs(self, obj_type); return head_entry ? head_entry->len : 0u; } static inline guint nm_l3_config_data_get_num_addresses(const NML3ConfigData *self, int addr_family) { return nm_l3_config_data_get_num_objs(self, NM_IS_IPv4(addr_family) ? NMP_OBJECT_TYPE_IP4_ADDRESS : NMP_OBJECT_TYPE_IP6_ADDRESS); } static inline guint nm_l3_config_data_get_num_routes(const NML3ConfigData *self, int addr_family) { return nm_l3_config_data_get_num_objs(self, NM_IS_IPv4(addr_family) ? NMP_OBJECT_TYPE_IP4_ROUTE : NMP_OBJECT_TYPE_IP6_ROUTE); } gboolean nm_l3_config_data_has_routes_with_type_local(const NML3ConfigData *self, int addr_family); const NMPObject * nmtst_l3_config_data_get_obj_at(const NML3ConfigData *self, NMPObjectType obj_type, guint i); static inline const NMPlatformIP4Address * nmtst_l3_config_data_get_address_at_4(const NML3ConfigData *self, guint i) { return NMP_OBJECT_CAST_IP4_ADDRESS( nmtst_l3_config_data_get_obj_at(self, NMP_OBJECT_TYPE_IP4_ADDRESS, i)); } static inline const NMPlatformIP6Address * nmtst_l3_config_data_get_address_at_6(const NML3ConfigData *self, guint i) { return NMP_OBJECT_CAST_IP6_ADDRESS( nmtst_l3_config_data_get_obj_at(self, NMP_OBJECT_TYPE_IP6_ADDRESS, i)); } static inline const NMPlatformIP4Route * nmtst_l3_config_data_get_route_at_4(const NML3ConfigData *self, guint i) { return NMP_OBJECT_CAST_IP4_ROUTE( nmtst_l3_config_data_get_obj_at(self, NMP_OBJECT_TYPE_IP4_ROUTE, i)); } static inline const NMPlatformIP6Route * nmtst_l3_config_data_get_route_at_6(const NML3ConfigData *self, guint i) { return NMP_OBJECT_CAST_IP6_ROUTE( nmtst_l3_config_data_get_obj_at(self, NMP_OBJECT_TYPE_IP6_ROUTE, i)); } /*****************************************************************************/ NML3ConfigDatFlags nm_l3_config_data_get_flags(const NML3ConfigData *self); void nm_l3_config_data_set_flags_full(NML3ConfigData * self, NML3ConfigDatFlags flags, NML3ConfigDatFlags mask); static inline void nm_l3_config_data_set_flags(NML3ConfigData *self, NML3ConfigDatFlags flags) { nm_l3_config_data_set_flags_full(self, flags, flags); } static inline void nm_l3_config_data_unset_flags(NML3ConfigData *self, NML3ConfigDatFlags flags) { nm_l3_config_data_set_flags_full(self, NM_L3_CONFIG_DAT_FLAGS_NONE, flags); } /*****************************************************************************/ gboolean nm_l3_config_data_set_source(NML3ConfigData *self, NMIPConfigSource source); const NMPObject *nm_l3_config_data_get_first_obj(const NML3ConfigData *self, NMPObjectType obj_type, gboolean (*predicate)(const NMPObject *obj)); gboolean nm_l3_config_data_add_address_full(NML3ConfigData * self, int addr_family, const NMPObject * obj_new, const NMPlatformIPAddress *pl_new, NML3ConfigAddFlags add_flags, const NMPObject ** out_obj_new); static inline gboolean nm_l3_config_data_add_address(NML3ConfigData * self, int addr_family, const NMPObject * obj_new, const NMPlatformIPAddress *pl_new) { return nm_l3_config_data_add_address_full(self, addr_family, obj_new, pl_new, NM_L3_CONFIG_ADD_FLAGS_MERGE, NULL); } static inline gboolean nm_l3_config_data_add_address_4(NML3ConfigData *self, const NMPlatformIP4Address *addr) { return nm_l3_config_data_add_address(self, AF_INET, NULL, NM_PLATFORM_IP_ADDRESS_CAST(addr)); } static inline gboolean nm_l3_config_data_add_address_6(NML3ConfigData *self, const NMPlatformIP6Address *addr) { return nm_l3_config_data_add_address(self, AF_INET6, NULL, NM_PLATFORM_IP_ADDRESS_CAST(addr)); } gboolean nm_l3_config_data_add_route_full(NML3ConfigData * self, int addr_family, const NMPObject * obj_new, const NMPlatformIPRoute *pl_new, NML3ConfigAddFlags add_flags, const NMPObject ** out_obj_new, gboolean * out_changed_best_default_route); static inline gboolean nm_l3_config_data_add_route(NML3ConfigData * self, int addr_family, const NMPObject * obj_new, const NMPlatformIPRoute *pl_new) { return nm_l3_config_data_add_route_full(self, addr_family, obj_new, pl_new, NM_L3_CONFIG_ADD_FLAGS_MERGE, NULL, NULL); } static inline gboolean nm_l3_config_data_add_route_4(NML3ConfigData *self, const NMPlatformIP4Route *rt) { return nm_l3_config_data_add_route(self, AF_INET, NULL, NM_PLATFORM_IP_ROUTE_CAST(rt)); } static inline gboolean nm_l3_config_data_add_route_6(NML3ConfigData *self, const NMPlatformIP6Route *rt) { return nm_l3_config_data_add_route(self, AF_INET6, NULL, NM_PLATFORM_IP_ROUTE_CAST(rt)); } const NMPObject *nm_l3_config_data_get_best_default_route(const NML3ConfigData *self, int addr_family); gboolean nm_l3_config_data_set_mdns(NML3ConfigData *self, NMSettingConnectionMdns mdns); gboolean nm_l3_config_data_set_llmnr(NML3ConfigData *self, NMSettingConnectionLlmnr llmnr); NMIPRouteTableSyncMode nm_l3_config_data_get_route_table_sync(const NML3ConfigData *self, int addr_family); gboolean nm_l3_config_data_set_route_table_sync(NML3ConfigData * self, int addr_family, NMIPRouteTableSyncMode route_table_sync); NMTernary nm_l3_config_data_get_metered(const NML3ConfigData *self); gboolean nm_l3_config_data_set_metered(NML3ConfigData *self, NMTernary metered); guint32 nm_l3_config_data_get_mtu(const NML3ConfigData *self); gboolean nm_l3_config_data_set_mtu(NML3ConfigData *self, guint32 mtu); guint32 nm_l3_config_data_get_ip6_mtu(const NML3ConfigData *self); gboolean nm_l3_config_data_set_ip6_mtu(NML3ConfigData *self, guint32 ip6_mtu); const in_addr_t *nm_l3_config_data_get_wins(const NML3ConfigData *self, guint *out_len); gboolean nm_l3_config_data_add_wins(NML3ConfigData *self, in_addr_t wins); gconstpointer nm_l3_config_data_get_nameservers(const NML3ConfigData *self, int addr_family, guint *out_len); gboolean nm_l3_config_data_add_nameserver(NML3ConfigData * self, int addr_family, gconstpointer /* (const NMIPAddr *) */ nameserver); gboolean nm_l3_config_data_clear_nameservers(NML3ConfigData *self, int addr_family); gboolean nm_l3_config_data_add_nis_server(NML3ConfigData *self, in_addr_t nis_server); const char *const * nm_l3_config_data_get_domains(const NML3ConfigData *self, int addr_family, guint *out_len); gboolean nm_l3_config_data_set_nis_domain(NML3ConfigData *self, const char *nis_domain); gboolean nm_l3_config_data_add_domain(NML3ConfigData *self, int addr_family, const char *domain); const char *const * nm_l3_config_data_get_searches(const NML3ConfigData *self, int addr_family, guint *out_len); gboolean nm_l3_config_data_clear_searches(NML3ConfigData *self, int addr_family); gboolean nm_l3_config_data_add_search(NML3ConfigData *self, int addr_family, const char *search); gboolean nm_l3_config_data_add_dns_option(NML3ConfigData *self, int addr_family, const char *dns_option); gboolean nm_l3_config_data_set_dns_priority(NML3ConfigData *self, int addr_family, int dns_priority); NMSettingIP6ConfigPrivacy nm_l3_config_data_get_ip6_privacy(const NML3ConfigData *self); gboolean nm_l3_config_data_set_ip6_privacy(NML3ConfigData * self, NMSettingIP6ConfigPrivacy ip6_privacy); gboolean nm_l3_config_data_get_ndisc_hop_limit(const NML3ConfigData *self, int *out_val); gboolean nm_l3_config_data_set_ndisc_hop_limit(NML3ConfigData *self, int val); gboolean nm_l3_config_data_get_ndisc_reachable_time_msec(const NML3ConfigData *self, guint32 * out_val); gboolean nm_l3_config_data_set_ndisc_reachable_time_msec(NML3ConfigData *self, guint32 val); gboolean nm_l3_config_data_get_ndisc_retrans_timer_msec(const NML3ConfigData *self, guint32 * out_val); gboolean nm_l3_config_data_set_ndisc_retrans_timer_msec(NML3ConfigData *self, guint32 val); struct _NMDhcpLease *nm_l3_config_data_get_dhcp_lease(const NML3ConfigData *self, int addr_family); gboolean nm_l3_config_data_set_dhcp_lease(NML3ConfigData *self, int addr_family, struct _NMDhcpLease *lease); gboolean nm_l3_config_data_set_dhcp_lease_from_options(NML3ConfigData *self, int addr_family, GHashTable * options_take); static inline const NMIPAddr * nmtst_l3_config_data_get_best_gateway(const NML3ConfigData *self, int addr_family) { const NMPObject *rt; rt = nm_l3_config_data_get_best_default_route(self, addr_family); if (!rt) return NULL; return nm_platform_ip_route_get_gateway(addr_family, NMP_OBJECT_CAST_IP_ROUTE(rt)); } #endif /* __NM_L3_CONFIG_DATA_H__ */