diff options
Diffstat (limited to 'src/libnm-platform/nmp-object.c')
| -rw-r--r-- | src/libnm-platform/nmp-object.c | 3470 |
1 files changed, 3470 insertions, 0 deletions
diff --git a/src/libnm-platform/nmp-object.c b/src/libnm-platform/nmp-object.c new file mode 100644 index 00000000..a7a46ef0 --- /dev/null +++ b/src/libnm-platform/nmp-object.c @@ -0,0 +1,3470 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2015 - 2018 Red Hat, Inc. + */ + +#include "libnm-glib-aux/nm-default-glib-i18n-lib.h" + +#include "nmp-object.h" + +#include <unistd.h> +#include <linux/rtnetlink.h> +#include <linux/if.h> +#include <libudev.h> + +#include "libnm-glib-aux/nm-secret-utils.h" +#include "libnm-platform/nm-platform-utils.h" +#include "libnm-platform/wifi/nm-wifi-utils.h" +#include "libnm-platform/wpan/nm-wpan-utils.h" + +/*****************************************************************************/ + +#define _NMLOG_DOMAIN LOGD_PLATFORM +#define _NMLOG(level, obj, ...) \ + G_STMT_START \ + { \ + const NMLogLevel __level = (level); \ + \ + if (nm_logging_enabled(__level, _NMLOG_DOMAIN)) { \ + const NMPObject *const __obj = (obj); \ + \ + _nm_log(__level, \ + _NMLOG_DOMAIN, \ + 0, \ + NULL, \ + NULL, \ + "nmp-object[%p/%s]: " _NM_UTILS_MACRO_FIRST(__VA_ARGS__), \ + __obj, \ + (__obj ? NMP_OBJECT_GET_CLASS(__obj)->obj_type_name \ + : "???") _NM_UTILS_MACRO_REST(__VA_ARGS__)); \ + } \ + } \ + G_STMT_END + +/*****************************************************************************/ + +typedef struct { + NMDedupMultiIdxType parent; + NMPCacheIdType cache_id_type; +} DedupMultiIdxType; + +struct _NMPCache { + /* the cache contains only one hash table for all object types, and similarly + * it contains only one NMMultiIndex. + * This works, because different object types don't ever compare equal and + * because their index ids also don't overlap. + * + * For routes and addresses, the cache contains an address if (and only if) the + * object was reported via netlink. + * For links, the cache contain a link if it was reported by either netlink + * or udev. That means, a link object can be alive, even if it was already + * removed via netlink. + * + * This effectively merges the udev-device cache into the NMPCache. + */ + + NMDedupMultiIndex *multi_idx; + + /* an idx_type entry for each NMP_CACHE_ID_TYPE. Note that NONE (zero) + * is skipped, so the index is shifted by one: idx_type[cache_id_type - 1]. + * + * Don't bother, use _idx_type_get() instead! */ + DedupMultiIdxType idx_types[NMP_CACHE_ID_TYPE_MAX]; + + gboolean use_udev; +}; + +/*****************************************************************************/ + +int +nm_sock_addr_union_cmp(const NMSockAddrUnion *a, const NMSockAddrUnion *b) +{ + nm_assert(!a || NM_IN_SET(a->sa.sa_family, AF_UNSPEC, AF_INET, AF_INET6)); + nm_assert(!b || NM_IN_SET(b->sa.sa_family, AF_UNSPEC, AF_INET, AF_INET6)); + + NM_CMP_SELF(a, b); + + NM_CMP_FIELD(a, b, sa.sa_family); + switch (a->sa.sa_family) { + case AF_INET: + NM_CMP_DIRECT(ntohl(a->in.sin_addr.s_addr), ntohl(b->in.sin_addr.s_addr)); + NM_CMP_DIRECT(htons(a->in.sin_port), htons(b->in.sin_port)); + break; + case AF_INET6: + NM_CMP_DIRECT_IN6ADDR(&a->in6.sin6_addr, &b->in6.sin6_addr); + NM_CMP_DIRECT(htons(a->in6.sin6_port), htons(b->in6.sin6_port)); + NM_CMP_FIELD(a, b, in6.sin6_scope_id); + NM_CMP_FIELD(a, b, in6.sin6_flowinfo); + break; + } + return 0; +} + +void +nm_sock_addr_union_hash_update(const NMSockAddrUnion *a, NMHashState *h) +{ + if (!a) { + nm_hash_update_val(h, 1241364739u); + return; + } + + nm_assert(NM_IN_SET(a->sa.sa_family, AF_UNSPEC, AF_INET, AF_INET6)); + + switch (a->sa.sa_family) { + case AF_INET: + nm_hash_update_vals(h, a->in.sin_family, a->in.sin_addr.s_addr, a->in.sin_port); + return; + case AF_INET6: + nm_hash_update_vals(h, + a->in6.sin6_family, + a->in6.sin6_addr, + a->in6.sin6_port, + a->in6.sin6_scope_id, + a->in6.sin6_flowinfo); + return; + default: + nm_hash_update_val(h, a->sa.sa_family); + return; + } +} + +/** + * nm_sock_addr_union_cpy: + * @dst: the destination #NMSockAddrUnion. It will always be fully initialized, + * to one of the address families AF_INET, AF_INET6, or AF_UNSPEC (in case of + * error). + * @src: (allow-none): the source buffer with an sockaddr to copy. It may be unaligned in + * memory. If not %NULL, the buffer must be at least large enough to contain + * sa.sa_family, and then, depending on sa.sa_family, it must be large enough + * to hold struct sockaddr_in or struct sockaddr_in6. + * + * @dst will always be fully initialized (including setting all un-used bytes to zero). + */ +void +nm_sock_addr_union_cpy(NMSockAddrUnion *dst, + gconstpointer src /* unaligned (const NMSockAddrUnion *) */) +{ + struct sockaddr sa; + gsize src_len; + + nm_assert(dst); + + *dst = (NMSockAddrUnion) NM_SOCK_ADDR_UNION_INIT_UNSPEC; + + if (!src) + return; + + memcpy(&sa.sa_family, &((struct sockaddr *) src)->sa_family, sizeof(sa.sa_family)); + + if (sa.sa_family == AF_INET) + src_len = sizeof(struct sockaddr_in); + else if (sa.sa_family == AF_INET6) + src_len = sizeof(struct sockaddr_in6); + else + return; + + memcpy(dst, src, src_len); + nm_assert(dst->sa.sa_family == sa.sa_family); +} + +/** + * nm_sock_addr_union_cpy_untrusted: + * @dst: the destination #NMSockAddrUnion. It will always be fully initialized, + * to one of the address families AF_INET, AF_INET6, or AF_UNSPEC (in case of + * error). + * @src: the source buffer with an sockaddr to copy. It may be unaligned in + * memory. + * @src_len: the length of @src in bytes. + * + * The function requires @src_len to be either sizeof(struct sockaddr_in) or sizeof (struct sockaddr_in6). + * If that's the case, then @src will be interpreted as such structure (unaligned), and + * accessed. It will check sa.sa_family to match the expected sizes, and if it does, the + * struct will be copied. + * + * On any failure, @dst will be set to sa.sa_family AF_UNSPEC. + * @dst will always be fully initialized (including setting all un-used bytes to zero). + */ +void +nm_sock_addr_union_cpy_untrusted(NMSockAddrUnion *dst, + gconstpointer src /* unaligned (const NMSockAddrUnion *) */, + gsize src_len) +{ + int f_expected; + struct sockaddr sa; + + nm_assert(dst); + + *dst = (NMSockAddrUnion) NM_SOCK_ADDR_UNION_INIT_UNSPEC; + + if (src_len == sizeof(struct sockaddr_in)) + f_expected = AF_INET; + else if (src_len == sizeof(struct sockaddr_in6)) + f_expected = AF_INET6; + else + return; + + memcpy(&sa.sa_family, &((struct sockaddr *) src)->sa_family, sizeof(sa.sa_family)); + + if (sa.sa_family != f_expected) + return; + + memcpy(dst, src, src_len); + nm_assert(dst->sa.sa_family == sa.sa_family); +} + +const char * +nm_sock_addr_union_to_string(const NMSockAddrUnion *sa, char *buf, gsize len) +{ + char s_addr[NM_UTILS_INET_ADDRSTRLEN]; + char s_scope_id[40]; + + if (!nm_utils_to_string_buffer_init_null(sa, &buf, &len)) + return buf; + + /* maybe we should use getnameinfo(), but here implement it ourself. + * + * We want to see the actual bytes for debugging (as we understand them), + * and now what getnameinfo() makes of it. Also, it's simpler this way. */ + + switch (sa->sa.sa_family) { + case AF_INET: + g_snprintf(buf, + len, + "%s:%u", + _nm_utils_inet4_ntop(sa->in.sin_addr.s_addr, s_addr), + (guint) htons(sa->in.sin_port)); + break; + case AF_INET6: + g_snprintf(buf, + len, + "[%s%s]:%u", + _nm_utils_inet6_ntop(&sa->in6.sin6_addr, s_addr), + (sa->in6.sin6_scope_id != 0 + ? nm_sprintf_buf(s_scope_id, "%u", sa->in6.sin6_scope_id) + : ""), + (guint) htons(sa->in6.sin6_port)); + break; + case AF_UNSPEC: + g_snprintf(buf, len, "unspec"); + break; + default: + g_snprintf(buf, len, "{addr-family:%u}", (unsigned) sa->sa.sa_family); + break; + } + + return buf; +} + +/*****************************************************************************/ + +const char * +nmp_object_link_udev_device_get_property_value(const NMPObject *obj, const char *key) +{ + nm_assert(key); + + if (!obj) + return nm_assert_unreachable_val(NULL); + + nm_assert(NMP_OBJECT_GET_TYPE(obj) == NMP_OBJECT_TYPE_LINK); + + if (!obj->_link.udev.device) + return NULL; + + return udev_device_get_property_value(obj->_link.udev.device, key); +} + +/*****************************************************************************/ + +static const NMDedupMultiIdxTypeClass _dedup_multi_idx_type_class; + +static void +_idx_obj_id_hash_update(const NMDedupMultiIdxType *idx_type, + const NMDedupMultiObj * obj, + NMHashState * h) +{ + const NMPObject *o = (NMPObject *) obj; + + nm_assert(idx_type && idx_type->klass == &_dedup_multi_idx_type_class); + nm_assert(NMP_OBJECT_GET_TYPE(o) != NMP_OBJECT_TYPE_UNKNOWN); + + nmp_object_id_hash_update(o, h); +} + +static gboolean +_idx_obj_id_equal(const NMDedupMultiIdxType *idx_type, + const NMDedupMultiObj * obj_a, + const NMDedupMultiObj * obj_b) +{ + const NMPObject *o_a = (NMPObject *) obj_a; + const NMPObject *o_b = (NMPObject *) obj_b; + + nm_assert(idx_type && idx_type->klass == &_dedup_multi_idx_type_class); + nm_assert(NMP_OBJECT_GET_TYPE(o_a) != NMP_OBJECT_TYPE_UNKNOWN); + nm_assert(NMP_OBJECT_GET_TYPE(o_b) != NMP_OBJECT_TYPE_UNKNOWN); + + return nmp_object_id_equal(o_a, o_b); +} + +static guint +_idx_obj_part(const DedupMultiIdxType *idx_type, + const NMPObject * obj_a, + const NMPObject * obj_b, + NMHashState * h) +{ + NMPObjectType obj_type; + + /* the hash/equals functions are strongly related. So, keep them + * side-by-side and do it all in _idx_obj_part(). */ + + nm_assert(idx_type); + nm_assert(idx_type->parent.klass == &_dedup_multi_idx_type_class); + nm_assert(obj_a); + nm_assert(NMP_OBJECT_GET_TYPE(obj_a) != NMP_OBJECT_TYPE_UNKNOWN); + nm_assert(!obj_b || (NMP_OBJECT_GET_TYPE(obj_b) != NMP_OBJECT_TYPE_UNKNOWN)); + nm_assert(!h || !obj_b); + + switch (idx_type->cache_id_type) { + case NMP_CACHE_ID_TYPE_OBJECT_TYPE: + if (obj_b) + return NMP_OBJECT_GET_TYPE(obj_a) == NMP_OBJECT_GET_TYPE(obj_b); + if (h) { + nm_hash_update_vals(h, idx_type->cache_id_type, NMP_OBJECT_GET_TYPE(obj_a)); + } + return 1; + + case NMP_CACHE_ID_TYPE_LINK_BY_IFNAME: + if (NMP_OBJECT_GET_TYPE(obj_a) != NMP_OBJECT_TYPE_LINK) { + /* first check, whether obj_a is suitable for this idx_type. + * If not, return 0 (which is correct for partitionable(), hash() and equal() + * functions. */ + if (h) + nm_hash_update_val(h, obj_a); + return 0; + } + if (obj_b) { + /* we are in equal() mode. Compare obj_b with obj_a. */ + return NMP_OBJECT_GET_TYPE(obj_b) == NMP_OBJECT_TYPE_LINK + && nm_streq(obj_a->link.name, obj_b->link.name); + } + if (h) { + nm_hash_update_val(h, idx_type->cache_id_type); + nm_hash_update_strarr(h, obj_a->link.name); + } + /* just return 1, to indicate that obj_a is partitionable by this idx_type. */ + return 1; + + case NMP_CACHE_ID_TYPE_DEFAULT_ROUTES: + if (!NM_IN_SET(NMP_OBJECT_GET_TYPE(obj_a), + NMP_OBJECT_TYPE_IP4_ROUTE, + NMP_OBJECT_TYPE_IP6_ROUTE) + || !NM_PLATFORM_IP_ROUTE_IS_DEFAULT(&obj_a->ip_route) + || !nmp_object_is_visible(obj_a)) { + if (h) + nm_hash_update_val(h, obj_a); + return 0; + } + if (obj_b) { + return NMP_OBJECT_GET_TYPE(obj_a) == NMP_OBJECT_GET_TYPE(obj_b) + && NM_PLATFORM_IP_ROUTE_IS_DEFAULT(&obj_b->ip_route) + && nmp_object_is_visible(obj_b); + } + if (h) { + nm_hash_update_vals(h, idx_type->cache_id_type, NMP_OBJECT_GET_TYPE(obj_a)); + } + return 1; + + case NMP_CACHE_ID_TYPE_OBJECT_BY_IFINDEX: + if (!NM_IN_SET(NMP_OBJECT_GET_TYPE(obj_a), + NMP_OBJECT_TYPE_IP4_ADDRESS, + NMP_OBJECT_TYPE_IP6_ADDRESS, + NMP_OBJECT_TYPE_IP4_ROUTE, + NMP_OBJECT_TYPE_IP6_ROUTE, + NMP_OBJECT_TYPE_QDISC, + NMP_OBJECT_TYPE_TFILTER) + || !nmp_object_is_visible(obj_a)) { + if (h) + nm_hash_update_val(h, obj_a); + return 0; + } + nm_assert(NMP_OBJECT_CAST_OBJ_WITH_IFINDEX(obj_a)->ifindex > 0); + if (obj_b) { + return NMP_OBJECT_GET_TYPE(obj_a) == NMP_OBJECT_GET_TYPE(obj_b) + && NMP_OBJECT_CAST_OBJ_WITH_IFINDEX(obj_a)->ifindex + == NMP_OBJECT_CAST_OBJ_WITH_IFINDEX(obj_b)->ifindex + && nmp_object_is_visible(obj_b); + } + if (h) { + nm_hash_update_vals(h, idx_type->cache_id_type, obj_a->obj_with_ifindex.ifindex); + } + return 1; + + case NMP_CACHE_ID_TYPE_ROUTES_BY_WEAK_ID: + obj_type = NMP_OBJECT_GET_TYPE(obj_a); + if (!NM_IN_SET(obj_type, NMP_OBJECT_TYPE_IP4_ROUTE, NMP_OBJECT_TYPE_IP6_ROUTE) + || NMP_OBJECT_CAST_IP_ROUTE(obj_a)->ifindex <= 0) { + if (h) + nm_hash_update_val(h, obj_a); + return 0; + } + if (obj_b) { + return obj_type == NMP_OBJECT_GET_TYPE(obj_b) + && NMP_OBJECT_CAST_IP_ROUTE(obj_b)->ifindex > 0 + && (obj_type == NMP_OBJECT_TYPE_IP4_ROUTE + ? (nm_platform_ip4_route_cmp(&obj_a->ip4_route, + &obj_b->ip4_route, + NM_PLATFORM_IP_ROUTE_CMP_TYPE_WEAK_ID) + == 0) + : (nm_platform_ip6_route_cmp(&obj_a->ip6_route, + &obj_b->ip6_route, + NM_PLATFORM_IP_ROUTE_CMP_TYPE_WEAK_ID) + == 0)); + } + if (h) { + nm_hash_update_val(h, idx_type->cache_id_type); + if (obj_type == NMP_OBJECT_TYPE_IP4_ROUTE) + nm_platform_ip4_route_hash_update(&obj_a->ip4_route, + NM_PLATFORM_IP_ROUTE_CMP_TYPE_WEAK_ID, + h); + else + nm_platform_ip6_route_hash_update(&obj_a->ip6_route, + NM_PLATFORM_IP_ROUTE_CMP_TYPE_WEAK_ID, + h); + } + return 1; + + case NMP_CACHE_ID_TYPE_OBJECT_BY_ADDR_FAMILY: + obj_type = NMP_OBJECT_GET_TYPE(obj_a); + /* currently, only routing rules are supported for this cache-id-type. */ + if (obj_type != NMP_OBJECT_TYPE_ROUTING_RULE + || !NM_IN_SET(obj_a->routing_rule.addr_family, AF_INET, AF_INET6)) { + if (h) + nm_hash_update_val(h, obj_a); + return 0; + } + if (obj_b) { + return NMP_OBJECT_GET_TYPE(obj_b) == NMP_OBJECT_TYPE_ROUTING_RULE + && obj_a->routing_rule.addr_family == obj_b->routing_rule.addr_family; + } + if (h) { + nm_hash_update_vals(h, idx_type->cache_id_type, obj_a->routing_rule.addr_family); + } + return 1; + + case NMP_CACHE_ID_TYPE_NONE: + case __NMP_CACHE_ID_TYPE_MAX: + break; + } + nm_assert_not_reached(); + return 0; +} + +static gboolean +_idx_obj_partitionable(const NMDedupMultiIdxType *idx_type, const NMDedupMultiObj *obj) +{ + return _idx_obj_part((DedupMultiIdxType *) idx_type, (NMPObject *) obj, NULL, NULL) != 0; +} + +static void +_idx_obj_partition_hash_update(const NMDedupMultiIdxType *idx_type, + const NMDedupMultiObj * obj, + NMHashState * h) +{ + _idx_obj_part((DedupMultiIdxType *) idx_type, (NMPObject *) obj, NULL, h); +} + +static gboolean +_idx_obj_partition_equal(const NMDedupMultiIdxType *idx_type, + const NMDedupMultiObj * obj_a, + const NMDedupMultiObj * obj_b) +{ + return _idx_obj_part((DedupMultiIdxType *) idx_type, + (NMPObject *) obj_a, + (NMPObject *) obj_b, + NULL); +} + +static const NMDedupMultiIdxTypeClass _dedup_multi_idx_type_class = { + .idx_obj_id_hash_update = _idx_obj_id_hash_update, + .idx_obj_id_equal = _idx_obj_id_equal, + .idx_obj_partitionable = _idx_obj_partitionable, + .idx_obj_partition_hash_update = _idx_obj_partition_hash_update, + .idx_obj_partition_equal = _idx_obj_partition_equal, +}; + +static void +_dedup_multi_idx_type_init(DedupMultiIdxType *idx_type, NMPCacheIdType cache_id_type) +{ + nm_dedup_multi_idx_type_init((NMDedupMultiIdxType *) idx_type, &_dedup_multi_idx_type_class); + idx_type->cache_id_type = cache_id_type; +} + +/*****************************************************************************/ + +static void +_vlan_xgress_qos_mappings_hash_update(guint n_map, const NMVlanQosMapping *map, NMHashState *h) +{ + /* ensure no padding. */ + G_STATIC_ASSERT(sizeof(NMVlanQosMapping) == 2 * sizeof(guint32)); + + nm_hash_update_val(h, n_map); + if (n_map) + nm_hash_update(h, map, n_map * sizeof(*map)); +} + +static int +_vlan_xgress_qos_mappings_cmp(guint n_map, + const NMVlanQosMapping *map1, + const NMVlanQosMapping *map2) +{ + guint i; + + for (i = 0; i < n_map; i++) { + if (map1[i].from != map2[i].from) + return map1[i].from < map2[i].from ? -1 : 1; + if (map1[i].to != map2[i].to) + return map1[i].to < map2[i].to ? -1 : 1; + } + return 0; +} + +static void +_vlan_xgress_qos_mappings_cpy(guint * dst_n_map, + NMVlanQosMapping ** dst_map, + guint src_n_map, + const NMVlanQosMapping *src_map) +{ + if (src_n_map == 0) { + nm_clear_g_free(dst_map); + *dst_n_map = 0; + } else if (src_n_map != *dst_n_map + || _vlan_xgress_qos_mappings_cmp(src_n_map, *dst_map, src_map) != 0) { + nm_clear_g_free(dst_map); + *dst_n_map = src_n_map; + *dst_map = nm_memdup(src_map, sizeof(*src_map) * src_n_map); + } +} + +/*****************************************************************************/ + +static void +_wireguard_allowed_ip_hash_update(const NMPWireGuardAllowedIP *ip, NMHashState *h) +{ + nm_hash_update_vals(h, ip->family, ip->mask); + + if (ip->family == AF_INET) + nm_hash_update_val(h, ip->addr.addr4); + else if (ip->family == AF_INET6) + nm_hash_update_val(h, ip->addr.addr6); +} + +static int +_wireguard_allowed_ip_cmp(const NMPWireGuardAllowedIP *a, const NMPWireGuardAllowedIP *b) +{ + NM_CMP_SELF(a, b); + + NM_CMP_FIELD(a, b, family); + NM_CMP_FIELD(a, b, mask); + + if (a->family == AF_INET) + NM_CMP_FIELD(a, b, addr.addr4); + else if (a->family == AF_INET6) + NM_CMP_FIELD_IN6ADDR(a, b, addr.addr6); + + return 0; +} + +static void +_wireguard_peer_hash_update(const NMPWireGuardPeer *peer, NMHashState *h) +{ + guint i; + + nm_hash_update(h, peer->public_key, sizeof(peer->public_key)); + nm_hash_update(h, peer->preshared_key, sizeof(peer->preshared_key)); + nm_hash_update_vals(h, + peer->persistent_keepalive_interval, + peer->allowed_ips_len, + peer->rx_bytes, + peer->tx_bytes, + peer->last_handshake_time.tv_sec, + peer->last_handshake_time.tv_nsec); + + nm_sock_addr_union_hash_update(&peer->endpoint, h); + + for (i = 0; i < peer->allowed_ips_len; i++) + _wireguard_allowed_ip_hash_update(&peer->allowed_ips[i], h); +} + +static int +_wireguard_peer_cmp(const NMPWireGuardPeer *a, const NMPWireGuardPeer *b) +{ + guint i; + + NM_CMP_SELF(a, b); + + NM_CMP_FIELD(a, b, last_handshake_time.tv_sec); + NM_CMP_FIELD(a, b, last_handshake_time.tv_nsec); + NM_CMP_FIELD(a, b, rx_bytes); + NM_CMP_FIELD(a, b, tx_bytes); + NM_CMP_FIELD(a, b, allowed_ips_len); + NM_CMP_FIELD(a, b, persistent_keepalive_interval); + NM_CMP_FIELD(a, b, endpoint.sa.sa_family); + NM_CMP_FIELD_MEMCMP(a, b, public_key); + NM_CMP_FIELD_MEMCMP(a, b, preshared_key); + + NM_CMP_RETURN(nm_sock_addr_union_cmp(&a->endpoint, &b->endpoint)); + + for (i = 0; i < a->allowed_ips_len; i++) { + NM_CMP_RETURN(_wireguard_allowed_ip_cmp(&a->allowed_ips[i], &b->allowed_ips[i])); + } + + return 0; +} + +/*****************************************************************************/ + +static const char * +_link_get_driver(struct udev_device *udevice, const char *kind, int ifindex) +{ + const char *driver = NULL; + + nm_assert(kind == g_intern_string(kind)); + + if (udevice) { + driver = nmp_utils_udev_get_driver(udevice); + if (driver) + return driver; + } + + if (kind) + return kind; + + if (ifindex > 0) { + NMPUtilsEthtoolDriverInfo driver_info; + + if (nmp_utils_ethtool_get_driver_info(ifindex, &driver_info)) { + if (driver_info.driver[0]) + return g_intern_string(driver_info.driver); + } + } + + return "unknown"; +} + +void +_nmp_object_fixup_link_udev_fields(NMPObject **obj_new, NMPObject *obj_orig, gboolean use_udev) +{ + const char *driver = NULL; + gboolean initialized = FALSE; + NMPObject * obj; + + nm_assert(obj_orig || *obj_new); + nm_assert(obj_new); + nm_assert(!obj_orig || NMP_OBJECT_GET_TYPE(obj_orig) == NMP_OBJECT_TYPE_LINK); + nm_assert(!*obj_new || NMP_OBJECT_GET_TYPE(*obj_new) == NMP_OBJECT_TYPE_LINK); + + obj = *obj_new ?: obj_orig; + + /* The link contains internal fields that are combined by + * properties from netlink and udev. Update those properties */ + + /* When a link is not in netlink, its udev fields don't matter. */ + if (obj->_link.netlink.is_in_netlink) { + driver = _link_get_driver(obj->_link.udev.device, obj->link.kind, obj->link.ifindex); + if (obj->_link.udev.device) + initialized = TRUE; + else if (!use_udev) { + /* If we don't use udev, we immediately mark the link as initialized. + * + * For that, we consult @use_udev argument, that is cached via + * nmp_cache_use_udev_get(). It is on purpose not to test + * for a writable /sys on every call. A minor reason for that is + * performance, but the real reason is reproducibility. + * */ + initialized = TRUE; + } + } + + if (nm_streq0(obj->link.driver, driver) && obj->link.initialized == initialized) + return; + + if (!*obj_new) + obj = *obj_new = nmp_object_clone(obj, FALSE); + + obj->link.driver = driver; + obj->link.initialized = initialized; +} + +static void +_nmp_object_fixup_link_master_connected(NMPObject ** obj_new, + NMPObject * obj_orig, + const NMPCache *cache) +{ + NMPObject *obj; + + nm_assert(obj_orig || *obj_new); + nm_assert(obj_new); + nm_assert(!obj_orig || NMP_OBJECT_GET_TYPE(obj_orig) == NMP_OBJECT_TYPE_LINK); + nm_assert(!*obj_new || NMP_OBJECT_GET_TYPE(*obj_new) == NMP_OBJECT_TYPE_LINK); + + obj = *obj_new ?: obj_orig; + + if (nmp_cache_link_connected_needs_toggle(cache, obj, NULL, NULL)) { + if (!*obj_new) + obj = *obj_new = nmp_object_clone(obj, FALSE); + obj->link.connected = !obj->link.connected; + } +} + +/*****************************************************************************/ + +static void +_vt_cmd_obj_dispose_link(NMPObject *obj) +{ + if (obj->_link.udev.device) { + udev_device_unref(obj->_link.udev.device); + obj->_link.udev.device = NULL; + } + g_clear_object(&obj->_link.ext_data); + nmp_object_unref(obj->_link.netlink.lnk); +} + +static void +_vt_cmd_obj_dispose_lnk_vlan(NMPObject *obj) +{ + g_free((gpointer) obj->_lnk_vlan.ingress_qos_map); + g_free((gpointer) obj->_lnk_vlan.egress_qos_map); +} + +static void +_wireguard_clear(NMPObjectLnkWireGuard *lnk) +{ + guint i; + + nm_explicit_bzero(lnk->_public.private_key, sizeof(lnk->_public.private_key)); + for (i = 0; i < lnk->peers_len; i++) { + NMPWireGuardPeer *peer = (NMPWireGuardPeer *) &lnk->peers[i]; + + nm_explicit_bzero(peer->preshared_key, sizeof(peer->preshared_key)); + } + g_free((gpointer) lnk->peers); + g_free((gpointer) lnk->_allowed_ips_buf); +} + +static void +_vt_cmd_obj_dispose_lnk_wireguard(NMPObject *obj) +{ + _wireguard_clear(&obj->_lnk_wireguard); +} + +static NMPObject * +_nmp_object_new_from_class(const NMPClass *klass) +{ + NMPObject *obj; + + nm_assert(klass); + nm_assert(klass->sizeof_data > 0); + nm_assert(klass->sizeof_public > 0 && klass->sizeof_public <= klass->sizeof_data); + + obj = g_slice_alloc0(klass->sizeof_data + G_STRUCT_OFFSET(NMPObject, object)); + obj->_class = klass; + obj->parent._ref_count = 1; + return obj; +} + +NMPObject * +nmp_object_new(NMPObjectType obj_type, gconstpointer plobj) +{ + const NMPClass *klass = nmp_class_from_type(obj_type); + NMPObject * obj; + + obj = _nmp_object_new_from_class(klass); + if (plobj) + memcpy(&obj->object, plobj, klass->sizeof_public); + return obj; +} + +NMPObject * +nmp_object_new_link(int ifindex) +{ + NMPObject *obj; + + obj = nmp_object_new(NMP_OBJECT_TYPE_LINK, NULL); + obj->link.ifindex = ifindex; + return obj; +} + +/*****************************************************************************/ + +static void +_nmp_object_stackinit_from_class(NMPObject *obj, const NMPClass *klass) +{ + nm_assert(obj); + nm_assert(klass); + + *obj = (NMPObject){ + .parent = + { + .klass = (const NMDedupMultiObjClass *) klass, + ._ref_count = NM_OBJ_REF_COUNT_STACKINIT, + }, + }; +} + +static NMPObject * +_nmp_object_stackinit_from_type(NMPObject *obj, NMPObjectType obj_type) +{ + const NMPClass *klass; + + nm_assert(obj); + klass = nmp_class_from_type(obj_type); + nm_assert(klass); + + *obj = (NMPObject){ + .parent = + { + .klass = (const NMDedupMultiObjClass *) klass, + ._ref_count = NM_OBJ_REF_COUNT_STACKINIT, + }, + }; + return obj; +} + +const NMPObject * +nmp_object_stackinit(NMPObject *obj, NMPObjectType obj_type, gconstpointer plobj) +{ + const NMPClass *klass = nmp_class_from_type(obj_type); + + _nmp_object_stackinit_from_class(obj, klass); + if (plobj) + memcpy(&obj->object, plobj, klass->sizeof_public); + return obj; +} + +const NMPObject * +nmp_object_stackinit_id(NMPObject *obj, const NMPObject *src) +{ + const NMPClass *klass; + + nm_assert(NMP_OBJECT_IS_VALID(src)); + nm_assert(obj); + + klass = NMP_OBJECT_GET_CLASS(src); + _nmp_object_stackinit_from_class(obj, klass); + if (klass->cmd_plobj_id_copy) + klass->cmd_plobj_id_copy(&obj->object, &src->object); + return obj; +} + +const NMPObject * +nmp_object_stackinit_id_link(NMPObject *obj, int ifindex) +{ + _nmp_object_stackinit_from_type(obj, NMP_OBJECT_TYPE_LINK); + obj->link.ifindex = ifindex; + return obj; +} + +const NMPObject * +nmp_object_stackinit_id_ip4_address(NMPObject *obj, + int ifindex, + guint32 address, + guint8 plen, + guint32 peer_address) +{ + _nmp_object_stackinit_from_type(obj, NMP_OBJECT_TYPE_IP4_ADDRESS); + obj->ip4_address.ifindex = ifindex; + obj->ip4_address.address = address; + obj->ip4_address.plen = plen; + obj->ip4_address.peer_address = peer_address; + return obj; +} + +const NMPObject * +nmp_object_stackinit_id_ip6_address(NMPObject *obj, int ifindex, const struct in6_addr *address) +{ + _nmp_object_stackinit_from_type(obj, NMP_OBJECT_TYPE_IP6_ADDRESS); + obj->ip4_address.ifindex = ifindex; + if (address) + obj->ip6_address.address = *address; + return obj; +} + +/*****************************************************************************/ + +const char * +nmp_object_to_string(const NMPObject * obj, + NMPObjectToStringMode to_string_mode, + char * buf, + gsize buf_size) +{ + const NMPClass *klass; + char buf2[sizeof(_nm_utils_to_string_buffer)]; + + if (!nm_utils_to_string_buffer_init_null(obj, &buf, &buf_size)) + return buf; + + g_return_val_if_fail(NMP_OBJECT_IS_VALID(obj), NULL); + + klass = NMP_OBJECT_GET_CLASS(obj); + + if (klass->cmd_obj_to_string) + return klass->cmd_obj_to_string(obj, to_string_mode, buf, buf_size); + + switch (to_string_mode) { + case NMP_OBJECT_TO_STRING_ID: + if (!klass->cmd_plobj_to_string_id) { + g_snprintf(buf, buf_size, "%p", obj); + return buf; + } + return klass->cmd_plobj_to_string_id(&obj->object, buf, buf_size); + case NMP_OBJECT_TO_STRING_ALL: + g_snprintf( + buf, + buf_size, + "[%s,%p,%u,%calive,%cvisible; %s]", + klass->obj_type_name, + obj, + obj->parent._ref_count, + nmp_object_is_alive(obj) ? '+' : '-', + nmp_object_is_visible(obj) ? '+' : '-', + NMP_OBJECT_GET_CLASS(obj)->cmd_plobj_to_string(&obj->object, buf2, sizeof(buf2))); + return buf; + case NMP_OBJECT_TO_STRING_PUBLIC: + NMP_OBJECT_GET_CLASS(obj)->cmd_plobj_to_string(&obj->object, buf, buf_size); + return buf; + default: + g_return_val_if_reached("ERROR"); + } +} + +static const char * +_vt_cmd_obj_to_string_link(const NMPObject * obj, + NMPObjectToStringMode to_string_mode, + char * buf, + gsize buf_size) +{ + const NMPClass *klass = NMP_OBJECT_GET_CLASS(obj); + char * b = buf; + + switch (to_string_mode) { + case NMP_OBJECT_TO_STRING_ID: + return klass->cmd_plobj_to_string_id(&obj->object, buf, buf_size); + case NMP_OBJECT_TO_STRING_ALL: + nm_utils_strbuf_append(&b, + &buf_size, + "[%s,%p,%u,%calive,%cvisible,%cin-nl,%p; ", + klass->obj_type_name, + obj, + obj->parent._ref_count, + nmp_object_is_alive(obj) ? '+' : '-', + nmp_object_is_visible(obj) ? '+' : '-', + obj->_link.netlink.is_in_netlink ? '+' : '-', + obj->_link.udev.device); + NMP_OBJECT_GET_CLASS(obj)->cmd_plobj_to_string(&obj->object, b, buf_size); + nm_utils_strbuf_seek_end(&b, &buf_size); + if (obj->_link.netlink.lnk) { + nm_utils_strbuf_append_str(&b, &buf_size, "; "); + nmp_object_to_string(obj->_link.netlink.lnk, NMP_OBJECT_TO_STRING_ALL, b, buf_size); + nm_utils_strbuf_seek_end(&b, &buf_size); + } + nm_utils_strbuf_append_c(&b, &buf_size, ']'); + return buf; + case NMP_OBJECT_TO_STRING_PUBLIC: + NMP_OBJECT_GET_CLASS(obj)->cmd_plobj_to_string(&obj->object, b, buf_size); + if (obj->_link.netlink.lnk) { + nm_utils_strbuf_seek_end(&b, &buf_size); + nm_utils_strbuf_append_str(&b, &buf_size, "; "); + nmp_object_to_string(obj->_link.netlink.lnk, NMP_OBJECT_TO_STRING_PUBLIC, b, buf_size); + } + return buf; + default: + g_return_val_if_reached("ERROR"); + } +} + +static const char * +_vt_cmd_obj_to_string_lnk_vlan(const NMPObject * obj, + NMPObjectToStringMode to_string_mode, + char * buf, + gsize buf_size) +{ + const NMPClass *klass; + char buf2[sizeof(_nm_utils_to_string_buffer)]; + char * b; + gsize l; + + klass = NMP_OBJECT_GET_CLASS(obj); + + switch (to_string_mode) { + case NMP_OBJECT_TO_STRING_ID: + g_snprintf(buf, buf_size, "%p", obj); + return buf; + case NMP_OBJECT_TO_STRING_ALL: + + g_snprintf(buf, + buf_size, + "[%s,%p,%u,%calive,%cvisible; %s]", + klass->obj_type_name, + obj, + obj->parent._ref_count, + nmp_object_is_alive(obj) ? '+' : '-', + nmp_object_is_visible(obj) ? '+' : '-', + nmp_object_to_string(obj, NMP_OBJECT_TO_STRING_PUBLIC, buf2, sizeof(buf2))); + return buf; + case NMP_OBJECT_TO_STRING_PUBLIC: + NMP_OBJECT_GET_CLASS(obj)->cmd_plobj_to_string(&obj->object, buf, buf_size); + + b = buf; + l = strlen(b); + b += l; + buf_size -= l; + + if (obj->_lnk_vlan.n_ingress_qos_map) { + nm_platform_vlan_qos_mapping_to_string(" ingress-qos-map", + obj->_lnk_vlan.ingress_qos_map, + obj->_lnk_vlan.n_ingress_qos_map, + b, + buf_size); + l = strlen(b); + b += l; + buf_size -= l; + } + if (obj->_lnk_vlan.n_egress_qos_map) { + nm_platform_vlan_qos_mapping_to_string(" egress-qos-map", + obj->_lnk_vlan.egress_qos_map, + obj->_lnk_vlan.n_egress_qos_map, + b, + buf_size); + l = strlen(b); + b += l; + buf_size -= l; + } + + return buf; + default: + g_return_val_if_reached("ERROR"); + } +} + +static const char * +_vt_cmd_obj_to_string_lnk_wireguard(const NMPObject * obj, + NMPObjectToStringMode to_string_mode, + char * buf, + gsize buf_size) +{ + const NMPClass *klass; + char buf2[sizeof(_nm_utils_to_string_buffer)]; + char * b; + guint i; + + klass = NMP_OBJECT_GET_CLASS(obj); + + switch (to_string_mode) { + case NMP_OBJECT_TO_STRING_ID: + g_snprintf(buf, buf_size, "%p", obj); + return buf; + case NMP_OBJECT_TO_STRING_ALL: + b = buf; + + nm_utils_strbuf_append( + &b, + &buf_size, + "[%s,%p,%u,%calive,%cvisible; %s" + "%s", + klass->obj_type_name, + obj, + obj->parent._ref_count, + nmp_object_is_alive(obj) ? '+' : '-', + nmp_object_is_visible(obj) ? '+' : '-', + nmp_object_to_string(obj, NMP_OBJECT_TO_STRING_PUBLIC, buf2, sizeof(buf2)), + obj->_lnk_wireguard.peers_len > 0 ? " peers {" : ""); + + for (i = 0; i < obj->_lnk_wireguard.peers_len; i++) { + const NMPWireGuardPeer *peer = &obj->_lnk_wireguard.peers[i]; + + nm_utils_strbuf_append_str(&b, &buf_size, " { "); + nm_platform_wireguard_peer_to_string(peer, b, buf_size); + nm_utils_strbuf_seek_end(&b, &buf_size); + nm_utils_strbuf_append_str(&b, &buf_size, " }"); + } + if (obj->_lnk_wireguard.peers_len) + nm_utils_strbuf_append_str(&b, &buf_size, " }"); + + return buf; + case NMP_OBJECT_TO_STRING_PUBLIC: + NMP_OBJECT_GET_CLASS(obj)->cmd_plobj_to_string(&obj->object, buf, buf_size); + + return buf; + default: + g_return_val_if_reached("ERROR"); + } +} + +#define _vt_cmd_plobj_to_string_id(type, plat_type, ...) \ + static const char *_vt_cmd_plobj_to_string_id_##type(const NMPlatformObject *_obj, \ + char * buf, \ + gsize buf_len) \ + { \ + plat_type *const obj = (plat_type *) _obj; \ + _nm_unused char buf1[NM_UTILS_INET_ADDRSTRLEN]; \ + _nm_unused char buf2[NM_UTILS_INET_ADDRSTRLEN]; \ + \ + g_snprintf(buf, buf_len, __VA_ARGS__); \ + return buf; \ + } \ + _NM_DUMMY_STRUCT_FOR_TRAILING_SEMICOLON + +_vt_cmd_plobj_to_string_id(link, NMPlatformLink, "%d", obj->ifindex); + +_vt_cmd_plobj_to_string_id(ip4_address, + NMPlatformIP4Address, + "%d: %s/%d%s%s", + obj->ifindex, + _nm_utils_inet4_ntop(obj->address, buf1), + obj->plen, + obj->peer_address != obj->address ? "," : "", + obj->peer_address != obj->address ? _nm_utils_inet4_ntop( + nm_utils_ip4_address_clear_host_address(obj->peer_address, + obj->plen), + buf2) + : ""); + +_vt_cmd_plobj_to_string_id(ip6_address, + NMPlatformIP6Address, + "%d: %s", + obj->ifindex, + _nm_utils_inet6_ntop(&obj->address, buf1)); + +_vt_cmd_plobj_to_string_id(qdisc, NMPlatformQdisc, "%d: %d", obj->ifindex, obj->parent); + +_vt_cmd_plobj_to_string_id(tfilter, NMPlatformTfilter, "%d: %d", obj->ifindex, obj->parent); + +void +nmp_object_hash_update(const NMPObject *obj, NMHashState *h) +{ + const NMPClass *klass; + + g_return_if_fail(NMP_OBJECT_IS_VALID(obj)); + + klass = NMP_OBJECT_GET_CLASS(obj); + + nm_hash_update_val(h, klass->obj_type); + if (klass->cmd_obj_hash_update) + klass->cmd_obj_hash_update(obj, h); + else if (klass->cmd_plobj_hash_update) + klass->cmd_plobj_hash_update(&obj->object, h); + else + nm_hash_update_val(h, obj); +} + +static void +_vt_cmd_obj_hash_update_link(const NMPObject *obj, NMHashState *h) +{ + nm_assert(NMP_OBJECT_GET_TYPE(obj) == NMP_OBJECT_TYPE_LINK); + + nm_platform_link_hash_update(&obj->link, h); + nm_hash_update_vals(h, + obj->_link.netlink.is_in_netlink, + obj->_link.wireguard_family_id, + obj->_link.udev.device); + if (obj->_link.netlink.lnk) + nmp_object_hash_update(obj->_link.netlink.lnk, h); +} + +static void +_vt_cmd_obj_hash_update_lnk_vlan(const NMPObject *obj, NMHashState *h) +{ + nm_assert(NMP_OBJECT_GET_TYPE(obj) == NMP_OBJECT_TYPE_LNK_VLAN); + + nm_platform_lnk_vlan_hash_update(&obj->lnk_vlan, h); + _vlan_xgress_qos_mappings_hash_update(obj->_lnk_vlan.n_ingress_qos_map, + obj->_lnk_vlan.ingress_qos_map, + h); + _vlan_xgress_qos_mappings_hash_update(obj->_lnk_vlan.n_egress_qos_map, + obj->_lnk_vlan.egress_qos_map, + h); +} + +static void +_vt_cmd_obj_hash_update_lnk_wireguard(const NMPObject *obj, NMHashState *h) +{ + guint i; + + nm_assert(NMP_OBJECT_GET_TYPE(obj) == NMP_OBJECT_TYPE_LNK_WIREGUARD); + + nm_platform_lnk_wireguard_hash_update(&obj->lnk_wireguard, h); + + nm_hash_update_val(h, obj->_lnk_wireguard.peers_len); + for (i = 0; i < obj->_lnk_wireguard.peers_len; i++) + _wireguard_peer_hash_update(&obj->_lnk_wireguard.peers[i], h); +} + +int +nmp_object_cmp(const NMPObject *obj1, const NMPObject *obj2) +{ + const NMPClass *klass1, *klass2; + + NM_CMP_SELF(obj1, obj2); + + g_return_val_if_fail(NMP_OBJECT_IS_VALID(obj1), -1); + g_return_val_if_fail(NMP_OBJECT_IS_VALID(obj2), 1); + + klass1 = NMP_OBJECT_GET_CLASS(obj1); + klass2 = NMP_OBJECT_GET_CLASS(obj2); + + if (klass1 != klass2) { + nm_assert(klass1->obj_type != klass2->obj_type); + return klass1->obj_type < klass2->obj_type ? -1 : 1; + } + + if (klass1->cmd_obj_cmp) + return klass1->cmd_obj_cmp(obj1, obj2); + return klass1->cmd_plobj_cmp(&obj1->object, &obj2->object); +} + +static int +_vt_cmd_obj_cmp_link(const NMPObject *obj1, const NMPObject *obj2) +{ + NM_CMP_RETURN(nm_platform_link_cmp(&obj1->link, &obj2->link)); + NM_CMP_DIRECT(obj1->_link.netlink.is_in_netlink, obj2->_link.netlink.is_in_netlink); + NM_CMP_RETURN(nmp_object_cmp(obj1->_link.netlink.lnk, obj2->_link.netlink.lnk)); + NM_CMP_DIRECT(obj1->_link.wireguard_family_id, obj2->_link.wireguard_family_id); + + if (obj1->_link.udev.device != obj2->_link.udev.device) { + if (!obj1->_link.udev.device) + return -1; + if (!obj2->_link.udev.device) + return 1; + + /* Only compare based on pointer values. That is ugly because it's not a + * stable sort order. + * + * Have this check as very last. */ + return (obj1->_link.udev.device < obj2->_link.udev.device) ? -1 : 1; + } + + return 0; +} + +static int +_vt_cmd_obj_cmp_lnk_vlan(const NMPObject *obj1, const NMPObject *obj2) +{ + int c; + + c = nm_platform_lnk_vlan_cmp(&obj1->lnk_vlan, &obj2->lnk_vlan); + if (c) + return c; + + if (obj1->_lnk_vlan.n_ingress_qos_map != obj2->_lnk_vlan.n_ingress_qos_map) + return obj1->_lnk_vlan.n_ingress_qos_map < obj2->_lnk_vlan.n_ingress_qos_map ? -1 : 1; + if (obj1->_lnk_vlan.n_egress_qos_map != obj2->_lnk_vlan.n_egress_qos_map) + return obj1->_lnk_vlan.n_egress_qos_map < obj2->_lnk_vlan.n_egress_qos_map ? -1 : 1; + + c = _vlan_xgress_qos_mappings_cmp(obj1->_lnk_vlan.n_ingress_qos_map, + obj1->_lnk_vlan.ingress_qos_map, + obj2->_lnk_vlan.ingress_qos_map); + if (c) + return c; + c = _vlan_xgress_qos_mappings_cmp(obj1->_lnk_vlan.n_egress_qos_map, + obj1->_lnk_vlan.egress_qos_map, + obj2->_lnk_vlan.egress_qos_map); + + return c; +} + +static int +_vt_cmd_obj_cmp_lnk_wireguard(const NMPObject *obj1, const NMPObject *obj2) +{ + guint i; + + NM_CMP_RETURN(nm_platform_lnk_wireguard_cmp(&obj1->lnk_wireguard, &obj2->lnk_wireguard)); + + NM_CMP_FIELD(obj1, obj2, _lnk_wireguard.peers_len); + + for (i = 0; i < obj1->_lnk_wireguard.peers_len; i++) + NM_CMP_RETURN( + _wireguard_peer_cmp(&obj1->_lnk_wireguard.peers[i], &obj2->_lnk_wireguard.peers[i])); + + return 0; +} + +/* @src is a const object, which is not entirely correct for link types, where + * we increase the ref count for src->_link.udev.device. + * Hence, nmp_object_copy() can violate the const promise of @src. + * */ +void +nmp_object_copy(NMPObject *dst, const NMPObject *src, gboolean id_only) +{ + g_return_if_fail(NMP_OBJECT_IS_VALID(dst)); + g_return_if_fail(NMP_OBJECT_IS_VALID(src)); + g_return_if_fail(!NMP_OBJECT_IS_STACKINIT(dst)); + + if (src != dst) { + const NMPClass *klass = NMP_OBJECT_GET_CLASS(dst); + + g_return_if_fail(klass == NMP_OBJECT_GET_CLASS(src)); + + if (id_only) { + if (klass->cmd_plobj_id_copy) + klass->cmd_plobj_id_copy(&dst->object, &src->object); + } else if (klass->cmd_obj_copy) + klass->cmd_obj_copy(dst, src); + else + memcpy(&dst->object, &src->object, klass->sizeof_data); + } +} + +static void +_vt_cmd_obj_copy_link(NMPObject *dst, const NMPObject *src) +{ + if (dst->_link.udev.device != src->_link.udev.device) { + if (src->_link.udev.device) + udev_device_ref(src->_link.udev.device); + if (dst->_link.udev.device) + udev_device_unref(dst->_link.udev.device); + dst->_link.udev.device = src->_link.udev.device; + } + if (dst->_link.netlink.lnk != src->_link.netlink.lnk) { + if (src->_link.netlink.lnk) + nmp_object_ref(src->_link.netlink.lnk); + if (dst->_link.netlink.lnk) + nmp_object_unref(dst->_link.netlink.lnk); + dst->_link.netlink.lnk = src->_link.netlink.lnk; + } + if (dst->_link.ext_data != src->_link.ext_data) { + if (dst->_link.ext_data) + g_clear_object(&dst->_link.ext_data); + if (src->_link.ext_data) + dst->_link.ext_data = g_object_ref(src->_link.ext_data); + } + dst->_link = src->_link; +} + +static void +_vt_cmd_obj_copy_lnk_vlan(NMPObject *dst, const NMPObject *src) +{ + dst->lnk_vlan = src->lnk_vlan; + _vlan_xgress_qos_mappings_cpy( + &dst->_lnk_vlan.n_ingress_qos_map, + NM_UNCONST_PPTR(NMVlanQosMapping, &dst->_lnk_vlan.ingress_qos_map), + src->_lnk_vlan.n_ingress_qos_map, + src->_lnk_vlan.ingress_qos_map); + _vlan_xgress_qos_mappings_cpy(&dst->_lnk_vlan.n_egress_qos_map, + NM_UNCONST_PPTR(NMVlanQosMapping, &dst->_lnk_vlan.egress_qos_map), + src->_lnk_vlan.n_egress_qos_map, + src->_lnk_vlan.egress_qos_map); +} + +static void +_vt_cmd_obj_copy_lnk_wireguard(NMPObject *dst, const NMPObject *src) +{ + guint i; + + nm_assert(dst != src); + + _wireguard_clear(&dst->_lnk_wireguard); + + dst->_lnk_wireguard = src->_lnk_wireguard; + + dst->_lnk_wireguard.peers = nm_memdup(dst->_lnk_wireguard.peers, + sizeof(NMPWireGuardPeer) * dst->_lnk_wireguard.peers_len); + dst->_lnk_wireguard._allowed_ips_buf = + nm_memdup(dst->_lnk_wireguard._allowed_ips_buf, + sizeof(NMPWireGuardAllowedIP) * dst->_lnk_wireguard._allowed_ips_buf_len); + + /* all the peers' pointers point into the buffer. They need to be readjusted. */ + for (i = 0; i < dst->_lnk_wireguard.peers_len; i++) { + NMPWireGuardPeer *peer = (NMPWireGuardPeer *) &dst->_lnk_wireguard.peers[i]; + + if (peer->allowed_ips_len == 0) { + nm_assert(!peer->allowed_ips); + continue; + } + nm_assert(dst->_lnk_wireguard._allowed_ips_buf_len > 0); + nm_assert(src->_lnk_wireguard._allowed_ips_buf); + nm_assert(peer->allowed_ips >= src->_lnk_wireguard._allowed_ips_buf); + nm_assert( + &peer->allowed_ips[peer->allowed_ips_len] + <= &src->_lnk_wireguard._allowed_ips_buf[src->_lnk_wireguard._allowed_ips_buf_len]); + + peer->allowed_ips = + &dst->_lnk_wireguard + ._allowed_ips_buf[peer->allowed_ips - src->_lnk_wireguard._allowed_ips_buf]; + } + + nm_assert(nmp_object_equal(src, dst)); +} + +#define _vt_cmd_plobj_id_copy(type, plat_type, cmd) \ + static void _vt_cmd_plobj_id_copy_##type(NMPlatformObject *_dst, const NMPlatformObject *_src) \ + { \ + plat_type *const dst = (plat_type *) _dst; \ + const plat_type *const src = (const plat_type *) _src; \ + { \ + cmd \ + } \ + } \ + _NM_DUMMY_STRUCT_FOR_TRAILING_SEMICOLON + +_vt_cmd_plobj_id_copy(link, NMPlatformLink, { dst->ifindex = src->ifindex; }); + +_vt_cmd_plobj_id_copy(ip4_address, NMPlatformIP4Address, { + dst->ifindex = src->ifindex; + dst->plen = src->plen; + dst->address = src->address; + dst->peer_address = src->peer_address; +}); + +_vt_cmd_plobj_id_copy(ip6_address, NMPlatformIP6Address, { + dst->ifindex = src->ifindex; + dst->address = src->address; +}); + +_vt_cmd_plobj_id_copy(ip4_route, NMPlatformIP4Route, { + *dst = *src; + nm_assert(nm_platform_ip4_route_cmp(dst, src, NM_PLATFORM_IP_ROUTE_CMP_TYPE_ID) == 0); +}); + +_vt_cmd_plobj_id_copy(ip6_route, NMPlatformIP6Route, { + *dst = *src; + nm_assert(nm_platform_ip6_route_cmp(dst, src, NM_PLATFORM_IP_ROUTE_CMP_TYPE_ID) == 0); +}); + +_vt_cmd_plobj_id_copy(routing_rule, NMPlatformRoutingRule, { + *dst = *src; + nm_assert(nm_platform_routing_rule_cmp(dst, src, NM_PLATFORM_ROUTING_RULE_CMP_TYPE_ID) == 0); +}); + +/* Uses internally nmp_object_copy(), hence it also violates the const + * promise for @obj. + * */ +NMPObject * +nmp_object_clone(const NMPObject *obj, gboolean id_only) +{ + NMPObject *dst; + + if (!obj) + return NULL; + + g_return_val_if_fail(NMP_OBJECT_IS_VALID(obj), NULL); + + dst = _nmp_object_new_from_class(NMP_OBJECT_GET_CLASS(obj)); + nmp_object_copy(dst, obj, id_only); + return dst; +} + +int +nmp_object_id_cmp(const NMPObject *obj1, const NMPObject *obj2) +{ + const NMPClass *klass, *klass2; + + NM_CMP_SELF(obj1, obj2); + + g_return_val_if_fail(NMP_OBJECT_IS_VALID(obj1), FALSE); + g_return_val_if_fail(NMP_OBJECT_IS_VALID(obj2), FALSE); + + klass = NMP_OBJECT_GET_CLASS(obj1); + nm_assert(!klass->cmd_plobj_id_hash_update == !klass->cmd_plobj_id_cmp); + + klass2 = NMP_OBJECT_GET_CLASS(obj2); + nm_assert(klass); + if (klass != klass2) { + nm_assert(klass2); + NM_CMP_DIRECT(klass->obj_type, klass2->obj_type); + /* resort to pointer comparison */ + NM_CMP_DIRECT_PTR(klass, klass2); + return 0; + } + + if (!klass->cmd_plobj_id_cmp) { + /* the klass doesn't implement ID cmp(). That means, different objects + * never compare equal, but the cmp() according to their pointer value. */ + NM_CMP_DIRECT_PTR(obj1, obj2); + return 0; + } + + return klass->cmd_plobj_id_cmp(&obj1->object, &obj2->object); +} + +#define _vt_cmd_plobj_id_cmp(type, plat_type, cmd) \ + static int _vt_cmd_plobj_id_cmp_##type(const NMPlatformObject *_obj1, \ + const NMPlatformObject *_obj2) \ + { \ + const plat_type *const obj1 = (const plat_type *) _obj1; \ + const plat_type *const obj2 = (const plat_type *) _obj2; \ + \ + NM_CMP_SELF(obj1, obj2); \ + { \ + cmd; \ + } \ + return 0; \ + } \ + _NM_DUMMY_STRUCT_FOR_TRAILING_SEMICOLON + +_vt_cmd_plobj_id_cmp(link, NMPlatformLink, { NM_CMP_FIELD(obj1, obj2, ifindex); }); + +_vt_cmd_plobj_id_cmp(ip4_address, NMPlatformIP4Address, { + NM_CMP_FIELD(obj1, obj2, ifindex); + NM_CMP_FIELD(obj1, obj2, plen); + NM_CMP_FIELD(obj1, obj2, address); + /* for IPv4 addresses, you can add the same local address with differing peer-address + * (IFA_ADDRESS), provided that their net-part differs. */ + NM_CMP_DIRECT_IN4ADDR_SAME_PREFIX(obj1->peer_address, obj2->peer_address, obj1->plen); +}); + +_vt_cmd_plobj_id_cmp(ip6_address, NMPlatformIP6Address, { + NM_CMP_FIELD(obj1, obj2, ifindex); + /* for IPv6 addresses, the prefix length is not part of the primary identifier. */ + NM_CMP_FIELD_IN6ADDR(obj1, obj2, address); +}); + +_vt_cmd_plobj_id_cmp(qdisc, NMPlatformQdisc, { + NM_CMP_FIELD(obj1, obj2, ifindex); + NM_CMP_FIELD(obj1, obj2, parent); +}); + +_vt_cmd_plobj_id_cmp(tfilter, NMPlatformTfilter, { + NM_CMP_FIELD(obj1, obj2, ifindex); + NM_CMP_FIELD(obj1, obj2, handle); +}); + +static int +_vt_cmd_plobj_id_cmp_ip4_route(const NMPlatformObject *obj1, const NMPlatformObject *obj2) +{ + return nm_platform_ip4_route_cmp((NMPlatformIP4Route *) obj1, + (NMPlatformIP4Route *) obj2, + NM_PLATFORM_IP_ROUTE_CMP_TYPE_ID); +} + +static int +_vt_cmd_plobj_id_cmp_ip6_route(const NMPlatformObject *obj1, const NMPlatformObject *obj2) +{ + return nm_platform_ip6_route_cmp((NMPlatformIP6Route *) obj1, + (NMPlatformIP6Route *) obj2, + NM_PLATFORM_IP_ROUTE_CMP_TYPE_ID); +} + +static int +_vt_cmd_plobj_id_cmp_routing_rule(const NMPlatformObject *obj1, const NMPlatformObject *obj2) +{ + return nm_platform_routing_rule_cmp((NMPlatformRoutingRule *) obj1, + (NMPlatformRoutingRule *) obj2, + NM_PLATFORM_ROUTING_RULE_CMP_TYPE_ID); +} + +void +nmp_object_id_hash_update(const NMPObject *obj, NMHashState *h) +{ + const NMPClass *klass; + + g_return_if_fail(NMP_OBJECT_IS_VALID(obj)); + + klass = NMP_OBJECT_GET_CLASS(obj); + + nm_assert(!klass->cmd_plobj_id_hash_update == !klass->cmd_plobj_id_cmp); + + if (!klass->cmd_plobj_id_hash_update) { + /* The klass doesn't implement ID compare. It means, to use pointer + * equality. */ + nm_hash_update_val(h, obj); + return; + } + + nm_hash_update_val(h, klass->obj_type); + klass->cmd_plobj_id_hash_update(&obj->object, h); +} + +guint +nmp_object_id_hash(const NMPObject *obj) +{ + NMHashState h; + + if (!obj) + return nm_hash_static(914932607u); + + nm_hash_init(&h, 914932607u); + nmp_object_id_hash_update(obj, &h); + return nm_hash_complete(&h); +} + +#define _vt_cmd_plobj_id_hash_update(type, plat_type, cmd) \ + static void _vt_cmd_plobj_id_hash_update_##type(const NMPlatformObject *_obj, NMHashState *h) \ + { \ + const plat_type *const obj = (const plat_type *) _obj; \ + { \ + cmd; \ + } \ + } \ + _NM_DUMMY_STRUCT_FOR_TRAILING_SEMICOLON + +_vt_cmd_plobj_id_hash_update(link, NMPlatformLink, { nm_hash_update_val(h, obj->ifindex); }); + +_vt_cmd_plobj_id_hash_update(ip4_address, NMPlatformIP4Address, { + nm_hash_update_vals( + h, + obj->ifindex, + obj->plen, + obj->address, + /* for IPv4 we must also consider the net-part of the peer-address (IFA_ADDRESS) */ + nm_utils_ip4_address_clear_host_address(obj->peer_address, obj->plen)); +}); + +_vt_cmd_plobj_id_hash_update(ip6_address, NMPlatformIP6Address, { + nm_hash_update_vals( + h, + obj->ifindex, + /* for IPv6 addresses, the prefix length is not part of the primary identifier. */ + obj->address); +}); + +_vt_cmd_plobj_id_hash_update(ip4_route, NMPlatformIP4Route, { + nm_platform_ip4_route_hash_update(obj, NM_PLATFORM_IP_ROUTE_CMP_TYPE_ID, h); +}); + +_vt_cmd_plobj_id_hash_update(ip6_route, NMPlatformIP6Route, { + nm_platform_ip6_route_hash_update(obj, NM_PLATFORM_IP_ROUTE_CMP_TYPE_ID, h); +}); + +_vt_cmd_plobj_id_hash_update(routing_rule, NMPlatformRoutingRule, { + nm_platform_routing_rule_hash_update(obj, NM_PLATFORM_ROUTING_RULE_CMP_TYPE_ID, h); +}); + +_vt_cmd_plobj_id_hash_update(qdisc, NMPlatformQdisc, { + nm_hash_update_vals(h, obj->ifindex, obj->parent); +}); + +_vt_cmd_plobj_id_hash_update(tfilter, NMPlatformTfilter, { + nm_hash_update_vals(h, obj->ifindex, obj->handle); +}); + +static void +_vt_cmd_plobj_hash_update_ip4_route(const NMPlatformObject *obj, NMHashState *h) +{ + return nm_platform_ip4_route_hash_update((const NMPlatformIP4Route *) obj, + NM_PLATFORM_IP_ROUTE_CMP_TYPE_FULL, + h); +} + +static void +_vt_cmd_plobj_hash_update_ip6_route(const NMPlatformObject *obj, NMHashState *h) +{ + return nm_platform_ip6_route_hash_update((const NMPlatformIP6Route *) obj, + NM_PLATFORM_IP_ROUTE_CMP_TYPE_FULL, + h); +} + +static void +_vt_cmd_plobj_hash_update_routing_rule(const NMPlatformObject *obj, NMHashState *h) +{ + return nm_platform_routing_rule_hash_update((const NMPlatformRoutingRule *) obj, + NM_PLATFORM_ROUTING_RULE_CMP_TYPE_FULL, + h); +} + +guint +nmp_object_indirect_id_hash(gconstpointer a) +{ + const NMPObject *const *p_obj = a; + + return nmp_object_id_hash(*p_obj); +} + +gboolean +nmp_object_indirect_id_equal(gconstpointer a, gconstpointer b) +{ + const NMPObject *const *p_obj_a = a; + const NMPObject *const *p_obj_b = b; + + return nmp_object_id_equal(*p_obj_a, *p_obj_b); +} + +/*****************************************************************************/ + +gboolean +nmp_object_is_alive(const NMPObject *obj) +{ + const NMPClass *klass; + + /* for convenience, allow NULL. */ + if (!obj) + return FALSE; + + klass = NMP_OBJECT_GET_CLASS(obj); + return !klass->cmd_obj_is_alive || klass->cmd_obj_is_alive(obj); +} + +static gboolean +_vt_cmd_obj_is_alive_link(const NMPObject *obj) +{ + return NMP_OBJECT_CAST_LINK(obj)->ifindex > 0 + && (obj->_link.netlink.is_in_netlink || obj->_link.udev.device); +} + +static gboolean +_vt_cmd_obj_is_alive_ipx_address(const NMPObject *obj) +{ + return NMP_OBJECT_CAST_IP_ADDRESS(obj)->ifindex > 0; +} + +static gboolean +_vt_cmd_obj_is_alive_ipx_route(const NMPObject *obj) +{ + /* We want to ignore routes that are RTM_F_CLONED but we still + * let nmp_object_from_nl() create such route objects, instead of + * returning NULL right away. + * + * The idea is, that if we have the same route (according to its id) + * in the cache with !RTM_F_CLONED, an update that changes the route + * to be RTM_F_CLONED must remove the instance. + * + * If nmp_object_from_nl() would just return NULL, we couldn't look + * into the cache to see if it contains a route that now disappears + * (because it changed to be cloned). + * + * Instead we create a dead object, and nmp_cache_update_netlink() + * will remove the old version of the update. + **/ + return NMP_OBJECT_CAST_IP_ROUTE(obj)->ifindex > 0 + && !NM_FLAGS_HAS(obj->ip_route.r_rtm_flags, RTM_F_CLONED); +} + +static gboolean +_vt_cmd_obj_is_alive_routing_rule(const NMPObject *obj) +{ + return NM_IN_SET(obj->routing_rule.addr_family, AF_INET, AF_INET6); +} + +static gboolean +_vt_cmd_obj_is_alive_qdisc(const NMPObject *obj) +{ + return NMP_OBJECT_CAST_QDISC(obj)->ifindex > 0; +} + +static gboolean +_vt_cmd_obj_is_alive_tfilter(const NMPObject *obj) +{ + return NMP_OBJECT_CAST_TFILTER(obj)->ifindex > 0; +} + +gboolean +nmp_object_is_visible(const NMPObject *obj) +{ + const NMPClass *klass; + + /* for convenience, allow NULL. */ + if (!obj) + return FALSE; + + klass = NMP_OBJECT_GET_CLASS(obj); + + /* a dead object is never visible. */ + if (klass->cmd_obj_is_alive && !klass->cmd_obj_is_alive(obj)) + return FALSE; + + return !klass->cmd_obj_is_visible || klass->cmd_obj_is_visible(obj); +} + +static gboolean +_vt_cmd_obj_is_visible_link(const NMPObject *obj) +{ + return obj->_link.netlink.is_in_netlink && obj->link.name[0]; +} + +/*****************************************************************************/ + +static const guint8 _supported_cache_ids_object[] = { + NMP_CACHE_ID_TYPE_OBJECT_TYPE, + NMP_CACHE_ID_TYPE_OBJECT_BY_IFINDEX, + 0, +}; + +static const guint8 _supported_cache_ids_link[] = { + NMP_CACHE_ID_TYPE_OBJECT_TYPE, + NMP_CACHE_ID_TYPE_LINK_BY_IFNAME, + 0, +}; + +static const guint8 _supported_cache_ids_ipx_address[] = { + NMP_CACHE_ID_TYPE_OBJECT_TYPE, + NMP_CACHE_ID_TYPE_OBJECT_BY_IFINDEX, + 0, +}; + +static const guint8 _supported_cache_ids_ipx_route[] = { + NMP_CACHE_ID_TYPE_OBJECT_TYPE, + NMP_CACHE_ID_TYPE_OBJECT_BY_IFINDEX, + NMP_CACHE_ID_TYPE_DEFAULT_ROUTES, + NMP_CACHE_ID_TYPE_ROUTES_BY_WEAK_ID, + 0, +}; + +static const guint8 _supported_cache_ids_routing_rules[] = { + NMP_CACHE_ID_TYPE_OBJECT_TYPE, + NMP_CACHE_ID_TYPE_OBJECT_BY_ADDR_FAMILY, + 0, +}; + +/*****************************************************************************/ + +static void +_vt_dedup_obj_destroy(NMDedupMultiObj *obj) +{ + NMPObject * o = (NMPObject *) obj; + const NMPClass *klass; + + nm_assert(o->parent._ref_count == 0); + nm_assert(!o->parent._multi_idx); + + klass = o->_class; + if (klass->cmd_obj_dispose) + klass->cmd_obj_dispose(o); + g_slice_free1(klass->sizeof_data + G_STRUCT_OFFSET(NMPObject, object), o); +} + +static const NMDedupMultiObj * +_vt_dedup_obj_clone(const NMDedupMultiObj *obj) +{ + return (const NMDedupMultiObj *) nmp_object_clone((const NMPObject *) obj, FALSE); +} + +#define DEDUP_MULTI_OBJ_CLASS_INIT() \ + { \ + .obj_clone = _vt_dedup_obj_clone, .obj_destroy = _vt_dedup_obj_destroy, \ + .obj_full_hash_update = \ + (void (*)(const NMDedupMultiObj *obj, NMHashState *h)) nmp_object_hash_update, \ + .obj_full_equal = (gboolean(*)(const NMDedupMultiObj *obj_a, \ + const NMDedupMultiObj *obj_b)) nmp_object_equal, \ + } + +/*****************************************************************************/ + +static NMDedupMultiIdxType * +_idx_type_get(const NMPCache *cache, NMPCacheIdType cache_id_type) +{ + nm_assert(cache); + nm_assert(cache_id_type > NMP_CACHE_ID_TYPE_NONE); + nm_assert(cache_id_type <= NMP_CACHE_ID_TYPE_MAX); + nm_assert((int) cache_id_type - 1 >= 0); + nm_assert((int) cache_id_type - 1 < G_N_ELEMENTS(cache->idx_types)); + + return (NMDedupMultiIdxType *) &cache->idx_types[cache_id_type - 1]; +} + +gboolean +nmp_cache_use_udev_get(const NMPCache *cache) +{ + g_return_val_if_fail(cache, TRUE); + + return cache->use_udev; +} + +/*****************************************************************************/ + +gboolean +nmp_cache_link_connected_for_slave(int ifindex_master, const NMPObject *slave) +{ + nm_assert(NMP_OBJECT_GET_TYPE(slave) == NMP_OBJECT_TYPE_LINK); + + return ifindex_master > 0 && slave->link.master == ifindex_master && slave->link.connected + && nmp_object_is_visible(slave); +} + +/** + * nmp_cache_link_connected_needs_toggle: + * @cache: the platform cache + * @master: the link object, that is checked whether its connected property + * needs to be toggled. + * @potential_slave: (allow-none): an additional link object that is treated + * as if it was inside @cache. If given, it shaddows a link in the cache + * with the same ifindex. + * @ignore_slave: (allow-none): if set, the check will pretend that @ignore_slave + * is not in the cache. + * + * NMPlatformLink has two connected flags: (master->link.flags&IFF_LOWER_UP) (as reported + * from netlink) and master->link.connected. For bond and bridge master, kernel reports + * those links as IFF_LOWER_UP if they have no slaves attached. We want to present instead + * a combined @connected flag that shows masters without slaves as down. + * + * Check if the connected flag of @master should be toggled according to the content + * of @cache (including @potential_slave). + * + * Returns: %TRUE, if @master->link.connected should be flipped/toggled. + **/ +gboolean +nmp_cache_link_connected_needs_toggle(const NMPCache * cache, + const NMPObject *master, + const NMPObject *potential_slave, + const NMPObject *ignore_slave) +{ + gboolean is_lower_up = FALSE; + + if (!master || NMP_OBJECT_GET_TYPE(master) != NMP_OBJECT_TYPE_LINK || master->link.ifindex <= 0 + || !nmp_object_is_visible(master) + || !NM_IN_SET(master->link.type, NM_LINK_TYPE_BRIDGE, NM_LINK_TYPE_BOND)) + return FALSE; + + /* if native IFF_LOWER_UP is down, link.connected must also be down + * regardless of the slaves. */ + if (!NM_FLAGS_HAS(master->link.n_ifi_flags, IFF_LOWER_UP)) + return !!master->link.connected; + + if (potential_slave && NMP_OBJECT_GET_TYPE(potential_slave) != NMP_OBJECT_TYPE_LINK) + potential_slave = NULL; + + if (potential_slave + && nmp_cache_link_connected_for_slave(master->link.ifindex, potential_slave)) + is_lower_up = TRUE; + else { + NMPLookup lookup; + NMDedupMultiIter iter; + const NMPlatformLink *link = NULL; + + nmp_cache_iter_for_each_link ( + &iter, + nmp_cache_lookup(cache, nmp_lookup_init_obj_type(&lookup, NMP_OBJECT_TYPE_LINK)), + &link) { + const NMPObject *obj = NMP_OBJECT_UP_CAST((NMPlatformObject *) link); + + if ((!potential_slave || potential_slave->link.ifindex != link->ifindex) + && ignore_slave != obj + && nmp_cache_link_connected_for_slave(master->link.ifindex, obj)) { + is_lower_up = TRUE; + break; + } + } + } + return !!master->link.connected != is_lower_up; +} + +/** + * nmp_cache_link_connected_needs_toggle_by_ifindex: + * @cache: + * @master_ifindex: the ifindex of a potential master that should be checked + * whether it needs toggling. + * @potential_slave: (allow-none): passed to nmp_cache_link_connected_needs_toggle(). + * It considers @potential_slave as being inside the cache, replacing an existing + * link with the same ifindex. + * @ignore_slave: (allow-onne): passed to nmp_cache_link_connected_needs_toggle(). + * + * The flag obj->link.connected depends on the state of other links in the + * @cache. See also nmp_cache_link_connected_needs_toggle(). Given an ifindex + * of a master, check if the cache contains such a master link that needs + * toggling of the connected flag. + * + * Returns: NULL if there is no master link with ifindex @master_ifindex that should be toggled. + * Otherwise, return the link object from inside the cache with the given ifindex. + * The connected flag of that master should be toggled. + */ +const NMPObject * +nmp_cache_link_connected_needs_toggle_by_ifindex(const NMPCache * cache, + int master_ifindex, + const NMPObject *potential_slave, + const NMPObject *ignore_slave) +{ + const NMPObject *master; + + if (master_ifindex > 0) { + master = nmp_cache_lookup_link(cache, master_ifindex); + if (nmp_cache_link_connected_needs_toggle(cache, master, potential_slave, ignore_slave)) + return master; + } + return NULL; +} + +/*****************************************************************************/ + +static const NMDedupMultiEntry * +_lookup_entry_with_idx_type(const NMPCache * cache, + NMPCacheIdType cache_id_type, + const NMPObject *obj) +{ + const NMDedupMultiEntry *entry; + + nm_assert(cache); + nm_assert(NMP_OBJECT_IS_VALID(obj)); + + entry = + nm_dedup_multi_index_lookup_obj(cache->multi_idx, _idx_type_get(cache, cache_id_type), obj); + nm_assert(!entry + || (NMP_OBJECT_IS_VALID(entry->obj) + && NMP_OBJECT_GET_CLASS(entry->obj) == NMP_OBJECT_GET_CLASS(obj))); + return entry; +} + +static const NMDedupMultiEntry * +_lookup_entry(const NMPCache *cache, const NMPObject *obj) +{ + return _lookup_entry_with_idx_type(cache, NMP_CACHE_ID_TYPE_OBJECT_TYPE, obj); +} + +const NMDedupMultiEntry * +nmp_cache_lookup_entry_with_idx_type(const NMPCache * cache, + NMPCacheIdType cache_id_type, + const NMPObject *obj) +{ + g_return_val_if_fail(cache, NULL); + g_return_val_if_fail(obj, NULL); + g_return_val_if_fail(cache_id_type > NMP_CACHE_ID_TYPE_NONE + && cache_id_type <= NMP_CACHE_ID_TYPE_MAX, + NULL); + + return _lookup_entry_with_idx_type(cache, cache_id_type, obj); +} + +const NMDedupMultiEntry * +nmp_cache_lookup_entry(const NMPCache *cache, const NMPObject *obj) +{ + g_return_val_if_fail(cache, NULL); + g_return_val_if_fail(obj, NULL); + + return _lookup_entry(cache, obj); +} + +const NMDedupMultiEntry * +nmp_cache_lookup_entry_link(const NMPCache *cache, int ifindex) +{ + NMPObject obj_needle; + + g_return_val_if_fail(cache, NULL); + g_return_val_if_fail(ifindex > 0, NULL); + + nmp_object_stackinit_id_link(&obj_needle, ifindex); + return _lookup_entry(cache, &obj_needle); +} + +const NMPObject * +nmp_cache_lookup_obj(const NMPCache *cache, const NMPObject *obj) +{ + return nm_dedup_multi_entry_get_obj(nmp_cache_lookup_entry(cache, obj)); +} + +const NMPObject * +nmp_cache_lookup_link(const NMPCache *cache, int ifindex) +{ + return nm_dedup_multi_entry_get_obj(nmp_cache_lookup_entry_link(cache, ifindex)); +} + +/*****************************************************************************/ + +const NMDedupMultiHeadEntry * +nmp_cache_lookup_all(const NMPCache * cache, + NMPCacheIdType cache_id_type, + const NMPObject *select_obj) +{ + nm_assert(cache); + nm_assert(NMP_OBJECT_IS_VALID(select_obj)); + + return nm_dedup_multi_index_lookup_head(cache->multi_idx, + _idx_type_get(cache, cache_id_type), + select_obj); +} + +static const NMPLookup * +_L(const NMPLookup *lookup) +{ +#if NM_MORE_ASSERTS + DedupMultiIdxType idx_type; + + nm_assert(lookup); + _dedup_multi_idx_type_init(&idx_type, lookup->cache_id_type); + nm_assert( + idx_type.parent.klass->idx_obj_partitionable((NMDedupMultiIdxType *) &idx_type, + (NMDedupMultiObj *) &lookup->selector_obj)); +#endif + return lookup; +} + +const NMPLookup * +nmp_lookup_init_obj_type(NMPLookup *lookup, NMPObjectType obj_type) +{ + nm_assert(lookup); + + switch (obj_type) { + case NMP_OBJECT_TYPE_LINK: + case NMP_OBJECT_TYPE_IP4_ADDRESS: + case NMP_OBJECT_TYPE_IP6_ADDRESS: + case NMP_OBJECT_TYPE_IP4_ROUTE: + case NMP_OBJECT_TYPE_IP6_ROUTE: + case NMP_OBJECT_TYPE_ROUTING_RULE: + case NMP_OBJECT_TYPE_QDISC: + case NMP_OBJECT_TYPE_TFILTER: + _nmp_object_stackinit_from_type(&lookup->selector_obj, obj_type); + lookup->cache_id_type = NMP_CACHE_ID_TYPE_OBJECT_TYPE; + return _L(lookup); + default: + nm_assert_not_reached(); + return NULL; + } +} + +const NMPLookup * +nmp_lookup_init_link_by_ifname(NMPLookup *lookup, const char *ifname) +{ + NMPObject *o; + + nm_assert(lookup); + nm_assert(ifname); + nm_assert(strlen(ifname) < IFNAMSIZ); + + o = _nmp_object_stackinit_from_type(&lookup->selector_obj, NMP_OBJECT_TYPE_LINK); + if (g_strlcpy(o->link.name, ifname, sizeof(o->link.name)) >= sizeof(o->link.name)) + g_return_val_if_reached(NULL); + lookup->cache_id_type = NMP_CACHE_ID_TYPE_LINK_BY_IFNAME; + return _L(lookup); +} + +const NMPLookup * +nmp_lookup_init_object(NMPLookup *lookup, NMPObjectType obj_type, int ifindex) +{ + NMPObject *o; + + nm_assert(lookup); + nm_assert(NM_IN_SET(obj_type, + NMP_OBJECT_TYPE_IP4_ADDRESS, + NMP_OBJECT_TYPE_IP6_ADDRESS, + NMP_OBJECT_TYPE_IP4_ROUTE, + NMP_OBJECT_TYPE_IP6_ROUTE, + NMP_OBJECT_TYPE_QDISC, + NMP_OBJECT_TYPE_TFILTER)); + + if (ifindex <= 0) { + return nmp_lookup_init_obj_type(lookup, obj_type); + } + + o = _nmp_object_stackinit_from_type(&lookup->selector_obj, obj_type); + o->obj_with_ifindex.ifindex = ifindex; + lookup->cache_id_type = NMP_CACHE_ID_TYPE_OBJECT_BY_IFINDEX; + return _L(lookup); +} + +const NMPLookup * +nmp_lookup_init_route_default(NMPLookup *lookup, NMPObjectType obj_type) +{ + NMPObject *o; + + nm_assert(lookup); + nm_assert(NM_IN_SET(obj_type, NMP_OBJECT_TYPE_IP4_ROUTE, NMP_OBJECT_TYPE_IP6_ROUTE)); + + o = _nmp_object_stackinit_from_type(&lookup->selector_obj, obj_type); + o->ip_route.ifindex = 1; + lookup->cache_id_type = NMP_CACHE_ID_TYPE_DEFAULT_ROUTES; + return _L(lookup); +} + +const NMPLookup * +nmp_lookup_init_route_by_weak_id(NMPLookup *lookup, const NMPObject *obj) +{ + const NMPlatformIP4Route *r4; + const NMPlatformIP6Route *r6; + + nm_assert(lookup); + + switch (NMP_OBJECT_GET_TYPE(obj)) { + case NMP_OBJECT_TYPE_IP4_ROUTE: + r4 = NMP_OBJECT_CAST_IP4_ROUTE(obj); + return nmp_lookup_init_ip4_route_by_weak_id(lookup, + r4->network, + r4->plen, + r4->metric, + r4->tos); + case NMP_OBJECT_TYPE_IP6_ROUTE: + r6 = NMP_OBJECT_CAST_IP6_ROUTE(obj); + return nmp_lookup_init_ip6_route_by_weak_id(lookup, + &r6->network, + r6->plen, + r6->metric, + &r6->src, + r6->src_plen); + default: + nm_assert_not_reached(); + return NULL; + } +} + +const NMPLookup * +nmp_lookup_init_ip4_route_by_weak_id(NMPLookup *lookup, + in_addr_t network, + guint plen, + guint32 metric, + guint8 tos) +{ + NMPObject *o; + + nm_assert(lookup); + + o = _nmp_object_stackinit_from_type(&lookup->selector_obj, NMP_OBJECT_TYPE_IP4_ROUTE); + o->ip4_route.ifindex = 1; + o->ip4_route.plen = plen; + o->ip4_route.metric = metric; + if (network) + o->ip4_route.network = network; + o->ip4_route.tos = tos; + lookup->cache_id_type = NMP_CACHE_ID_TYPE_ROUTES_BY_WEAK_ID; + return _L(lookup); +} + +const NMPLookup * +nmp_lookup_init_ip6_route_by_weak_id(NMPLookup * lookup, + const struct in6_addr *network, + guint plen, + guint32 metric, + const struct in6_addr *src, + guint8 src_plen) +{ + NMPObject *o; + + nm_assert(lookup); + + o = _nmp_object_stackinit_from_type(&lookup->selector_obj, NMP_OBJECT_TYPE_IP6_ROUTE); + o->ip6_route.ifindex = 1; + o->ip6_route.plen = plen; + o->ip6_route.metric = metric; + if (network) + o->ip6_route.network = *network; + if (src) + o->ip6_route.src = *src; + o->ip6_route.src_plen = src_plen; + lookup->cache_id_type = NMP_CACHE_ID_TYPE_ROUTES_BY_WEAK_ID; + return _L(lookup); +} + +const NMPLookup * +nmp_lookup_init_object_by_addr_family(NMPLookup *lookup, NMPObjectType obj_type, int addr_family) +{ + NMPObject *o; + + nm_assert(lookup); + nm_assert(NM_IN_SET(obj_type, NMP_OBJECT_TYPE_ROUTING_RULE)); + + if (addr_family == AF_UNSPEC) + return nmp_lookup_init_obj_type(lookup, obj_type); + + nm_assert_addr_family(addr_family); + o = _nmp_object_stackinit_from_type(&lookup->selector_obj, obj_type); + NMP_OBJECT_CAST_ROUTING_RULE(o)->addr_family = addr_family; + lookup->cache_id_type = NMP_CACHE_ID_TYPE_OBJECT_BY_ADDR_FAMILY; + return _L(lookup); +} + +/*****************************************************************************/ + +GArray * +nmp_cache_lookup_to_array(const NMDedupMultiHeadEntry *head_entry, + NMPObjectType obj_type, + gboolean visible_only) +{ + const NMPClass * klass = nmp_class_from_type(obj_type); + NMDedupMultiIter iter; + const NMPObject *o; + GArray * array; + + g_return_val_if_fail(klass, NULL); + + array = g_array_sized_new(FALSE, FALSE, klass->sizeof_public, head_entry ? head_entry->len : 0); + nmp_cache_iter_for_each (&iter, head_entry, &o) { + nm_assert(NMP_OBJECT_GET_CLASS(o) == klass); + if (visible_only && !nmp_object_is_visible(o)) + continue; + g_array_append_vals(array, &o->object, 1); + } + return array; +} + +/*****************************************************************************/ + +const NMPObject * +nmp_cache_lookup_link_full(const NMPCache * cache, + int ifindex, + const char * ifname, + gboolean visible_only, + NMLinkType link_type, + NMPObjectMatchFn match_fn, + gpointer user_data) +{ + NMPObject obj_needle; + const NMPObject * obj; + NMDedupMultiIter iter; + const NMDedupMultiHeadEntry *head_entry; + const NMPlatformLink * link = NULL; + NMPLookup lookup; + + if (ifindex > 0) { + obj = nmp_cache_lookup_obj(cache, nmp_object_stackinit_id_link(&obj_needle, ifindex)); + + if (!obj || (visible_only && !nmp_object_is_visible(obj)) + || (link_type != NM_LINK_TYPE_NONE && obj->link.type != link_type) + || (ifname && strcmp(obj->link.name, ifname)) + || (match_fn && !match_fn(obj, user_data))) + return NULL; + return obj; + } else if (!ifname && !match_fn) + return NULL; + else { + const NMPObject *obj_best = NULL; + + if (ifname) { + if (strlen(ifname) >= IFNAMSIZ) + return NULL; + nmp_lookup_init_link_by_ifname(&lookup, ifname); + } else + nmp_lookup_init_obj_type(&lookup, NMP_OBJECT_TYPE_LINK); + + head_entry = nmp_cache_lookup(cache, &lookup); + nmp_cache_iter_for_each_link (&iter, head_entry, &link) { + obj = NMP_OBJECT_UP_CAST(link); + + if (link_type != NM_LINK_TYPE_NONE && obj->link.type != link_type) + continue; + if (visible_only && !nmp_object_is_visible(obj)) + continue; + if (match_fn && !match_fn(obj, user_data)) + continue; + + /* if there are multiple candidates, prefer the visible ones. */ + if (visible_only || nmp_object_is_visible(obj)) + return obj; + if (!obj_best) + obj_best = obj; + } + return obj_best; + } +} + +/*****************************************************************************/ + +static NMDedupMultiIdxMode +_obj_get_add_mode(const NMPObject *obj) +{ + /* new objects are usually appended to the list. Except for + * addresses, which are prepended during `ip address add`. + * + * Actually, for routes it is more complicated, because depending on + * `ip route append`, `ip route replace`, `ip route prepend`, the object + * will be added at the tail, at the front, or even replace an element + * in the list. However, that is handled separately by nmp_cache_update_netlink_route() + * and of no concern here. */ + if (NM_IN_SET(NMP_OBJECT_GET_TYPE(obj), + NMP_OBJECT_TYPE_IP4_ADDRESS, + NMP_OBJECT_TYPE_IP6_ADDRESS)) + return NM_DEDUP_MULTI_IDX_MODE_PREPEND; + return NM_DEDUP_MULTI_IDX_MODE_APPEND; +} + +static void +_idxcache_update_order_for_dump(NMPCache *cache, const NMDedupMultiEntry *entry) +{ + const NMPClass * klass; + const guint8 * i_idx_type; + const NMDedupMultiEntry *entry2; + + nm_dedup_multi_entry_reorder(entry, NULL, TRUE); + + klass = NMP_OBJECT_GET_CLASS(entry->obj); + for (i_idx_type = klass->supported_cache_ids; *i_idx_type; i_idx_type++) { + NMPCacheIdType id_type = *i_idx_type; + + if (id_type == NMP_CACHE_ID_TYPE_OBJECT_TYPE) + continue; + + entry2 = nm_dedup_multi_index_lookup_obj(cache->multi_idx, + _idx_type_get(cache, id_type), + entry->obj); + if (!entry2) + continue; + + nm_assert(entry2 != entry); + nm_assert(entry2->obj == entry->obj); + + nm_dedup_multi_entry_reorder(entry2, NULL, TRUE); + } +} + +static void +_idxcache_update_other_cache_ids(NMPCache * cache, + NMPCacheIdType cache_id_type, + const NMPObject *obj_old, + const NMPObject *obj_new, + gboolean is_dump) +{ + const NMDedupMultiEntry *entry_new; + const NMDedupMultiEntry *entry_old; + const NMDedupMultiEntry *entry_order; + NMDedupMultiIdxType * idx_type; + + nm_assert(obj_new || obj_old); + nm_assert(!obj_new || NMP_OBJECT_GET_TYPE(obj_new) != NMP_OBJECT_TYPE_UNKNOWN); + nm_assert(!obj_old || NMP_OBJECT_GET_TYPE(obj_old) != NMP_OBJECT_TYPE_UNKNOWN); + nm_assert(!obj_old || !obj_new + || NMP_OBJECT_GET_CLASS(obj_new) == NMP_OBJECT_GET_CLASS(obj_old)); + nm_assert(!obj_old || !obj_new || !nmp_object_equal(obj_new, obj_old)); + nm_assert(!obj_new || obj_new == nm_dedup_multi_index_obj_find(cache->multi_idx, obj_new)); + nm_assert(!obj_old || obj_old == nm_dedup_multi_index_obj_find(cache->multi_idx, obj_old)); + + idx_type = _idx_type_get(cache, cache_id_type); + + if (obj_old) { + entry_old = nm_dedup_multi_index_lookup_obj(cache->multi_idx, idx_type, obj_old); + if (!obj_new) { + if (entry_old) + nm_dedup_multi_index_remove_entry(cache->multi_idx, entry_old); + return; + } + } else + entry_old = NULL; + + if (obj_new) { + if (obj_old && nm_dedup_multi_idx_type_id_equal(idx_type, obj_old, obj_new) + && nm_dedup_multi_idx_type_partition_equal(idx_type, obj_old, obj_new)) { + /* optimize. We just looked up the @obj_old entry and @obj_new compares equal + * according to idx_obj_id_equal(). entry_new is the same as entry_old. */ + entry_new = entry_old; + } else { + entry_new = nm_dedup_multi_index_lookup_obj(cache->multi_idx, idx_type, obj_new); + } + + if (entry_new) + entry_order = entry_new; + else if (entry_old + && nm_dedup_multi_idx_type_partition_equal(idx_type, entry_old->obj, obj_new)) + entry_order = entry_old; + else + entry_order = NULL; + nm_dedup_multi_index_add_full( + cache->multi_idx, + idx_type, + obj_new, + is_dump ? NM_DEDUP_MULTI_IDX_MODE_APPEND_FORCE : _obj_get_add_mode(obj_new), + is_dump ? NULL : entry_order, + entry_new ?: NM_DEDUP_MULTI_ENTRY_MISSING, + entry_new ? entry_new->head : (entry_order ? entry_order->head : NULL), + &entry_new, + NULL); + +#if NM_MORE_ASSERTS + if (entry_new) { + nm_assert(idx_type->klass->idx_obj_partitionable); + nm_assert(idx_type->klass->idx_obj_partition_equal); + nm_assert(idx_type->klass->idx_obj_partitionable(idx_type, entry_new->obj)); + nm_assert(idx_type->klass->idx_obj_partition_equal(idx_type, + (gpointer) obj_new, + entry_new->obj)); + } +#endif + } else + entry_new = NULL; + + if (entry_old && entry_old != entry_new) + nm_dedup_multi_index_remove_entry(cache->multi_idx, entry_old); +} + +static void +_idxcache_update(NMPCache * cache, + const NMDedupMultiEntry * entry_old, + NMPObject * obj_new, + gboolean is_dump, + const NMDedupMultiEntry **out_entry_new) +{ + const NMPClass * klass; + const guint8 * i_idx_type; + NMDedupMultiIdxType * idx_type_o = _idx_type_get(cache, NMP_CACHE_ID_TYPE_OBJECT_TYPE); + const NMDedupMultiEntry *entry_new = NULL; + nm_auto_nmpobj const NMPObject *obj_old = NULL; + + /* we update an object in the cache. + * + * Note that @entry_old MUST be what is currently tracked in multi_idx, and it must + * have the same ID as @obj_new. */ + + nm_assert(cache); + nm_assert(entry_old || obj_new); + nm_assert(!obj_new || nmp_object_is_alive(obj_new)); + nm_assert( + !entry_old + || entry_old + == nm_dedup_multi_index_lookup_obj(cache->multi_idx, idx_type_o, entry_old->obj)); + nm_assert(!obj_new + || entry_old + == nm_dedup_multi_index_lookup_obj(cache->multi_idx, idx_type_o, obj_new)); + nm_assert(!entry_old || entry_old->head->idx_type == idx_type_o); + nm_assert(!entry_old || !obj_new + || nm_dedup_multi_idx_type_partition_equal(idx_type_o, entry_old->obj, obj_new)); + nm_assert(!entry_old || !obj_new + || nm_dedup_multi_idx_type_id_equal(idx_type_o, entry_old->obj, obj_new)); + nm_assert(!entry_old || !obj_new + || (obj_new->parent.klass == ((const NMPObject *) entry_old->obj)->parent.klass + && !obj_new->parent.klass->obj_full_equal((NMDedupMultiObj *) obj_new, + entry_old->obj))); + + /* keep a reference to the pre-existing entry */ + if (entry_old) + obj_old = nmp_object_ref(entry_old->obj); + + /* first update the main index NMP_CACHE_ID_TYPE_OBJECT_TYPE. + * We already know the pre-existing @entry old, so all that + * nm_dedup_multi_index_add_full() effectively does, is update the + * obj reference. + * + * We also get the new boxed object, which we need below. */ + if (obj_new) { + nm_auto_nmpobj NMPObject *obj_old2 = NULL; + + nm_dedup_multi_index_add_full(cache->multi_idx, + idx_type_o, + obj_new, + is_dump ? NM_DEDUP_MULTI_IDX_MODE_APPEND_FORCE + : _obj_get_add_mode(obj_new), + NULL, + entry_old ?: NM_DEDUP_MULTI_ENTRY_MISSING, + NULL, + &entry_new, + (const NMDedupMultiObj **) &obj_old2); + nm_assert(entry_new); + nm_assert(obj_old == obj_old2); + nm_assert(!entry_old || entry_old == entry_new); + } else + nm_dedup_multi_index_remove_entry(cache->multi_idx, entry_old); + + /* now update all other indexes. We know the previously boxed entry, and the + * newly boxed one. */ + klass = NMP_OBJECT_GET_CLASS(entry_new ? entry_new->obj : obj_old); + for (i_idx_type = klass->supported_cache_ids; *i_idx_type; i_idx_type++) { + NMPCacheIdType id_type = *i_idx_type; + + if (id_type == NMP_CACHE_ID_TYPE_OBJECT_TYPE) + continue; + _idxcache_update_other_cache_ids(cache, + id_type, + obj_old, + entry_new ? entry_new->obj : NULL, + is_dump); + } + + NM_SET_OUT(out_entry_new, entry_new); +} + +NMPCacheOpsType +nmp_cache_remove(NMPCache * cache, + const NMPObject * obj_needle, + gboolean equals_by_ptr, + gboolean only_dirty, + const NMPObject **out_obj_old) +{ + const NMDedupMultiEntry *entry_old; + const NMPObject * obj_old; + + entry_old = _lookup_entry(cache, obj_needle); + + if (!entry_old) { + NM_SET_OUT(out_obj_old, NULL); + return NMP_CACHE_OPS_UNCHANGED; + } + + obj_old = entry_old->obj; + + NM_SET_OUT(out_obj_old, nmp_object_ref(obj_old)); + + if (equals_by_ptr && obj_old != obj_needle) { + /* We found an identical object, but we only delete it if it's the same pointer as + * @obj_needle. */ + return NMP_CACHE_OPS_UNCHANGED; + } + if (only_dirty && !entry_old->dirty) { + /* the entry is not dirty. Skip. */ + return NMP_CACHE_OPS_UNCHANGED; + } + _idxcache_update(cache, entry_old, NULL, FALSE, NULL); + return NMP_CACHE_OPS_REMOVED; +} + +NMPCacheOpsType +nmp_cache_remove_netlink(NMPCache * cache, + const NMPObject * obj_needle, + const NMPObject **out_obj_old, + const NMPObject **out_obj_new) +{ + const NMDedupMultiEntry *entry_old; + const NMDedupMultiEntry *entry_new = NULL; + const NMPObject * obj_old; + nm_auto_nmpobj NMPObject *obj_new = NULL; + + entry_old = _lookup_entry(cache, obj_needle); + + if (!entry_old) { + NM_SET_OUT(out_obj_old, NULL); + NM_SET_OUT(out_obj_new, NULL); + return NMP_CACHE_OPS_UNCHANGED; + } + + obj_old = entry_old->obj; + + if (NMP_OBJECT_GET_TYPE(obj_needle) == NMP_OBJECT_TYPE_LINK) { + /* For nmp_cache_remove_netlink() we have an incomplete @obj_needle instance to be + * removed from netlink. Link objects are alive without being in netlink when they + * have a udev-device. All we want to do in this case is clear the netlink.is_in_netlink + * flag. */ + + NM_SET_OUT(out_obj_old, nmp_object_ref(obj_old)); + + if (!obj_old->_link.netlink.is_in_netlink) { + nm_assert(obj_old->_link.udev.device); + NM_SET_OUT(out_obj_new, nmp_object_ref(obj_old)); + return NMP_CACHE_OPS_UNCHANGED; + } + + if (!obj_old->_link.udev.device) { + /* the update would make @obj_old invalid. Remove it. */ + _idxcache_update(cache, entry_old, NULL, FALSE, NULL); + NM_SET_OUT(out_obj_new, NULL); + return NMP_CACHE_OPS_REMOVED; + } + + obj_new = nmp_object_clone(obj_old, FALSE); + obj_new->_link.netlink.is_in_netlink = FALSE; + + _nmp_object_fixup_link_master_connected(&obj_new, NULL, cache); + _nmp_object_fixup_link_udev_fields(&obj_new, NULL, cache->use_udev); + + _idxcache_update(cache, entry_old, obj_new, FALSE, &entry_new); + NM_SET_OUT(out_obj_new, nmp_object_ref(entry_new->obj)); + return NMP_CACHE_OPS_UPDATED; + } + + NM_SET_OUT(out_obj_old, nmp_object_ref(obj_old)); + NM_SET_OUT(out_obj_new, NULL); + _idxcache_update(cache, entry_old, NULL, FALSE, NULL); + return NMP_CACHE_OPS_REMOVED; +} + +/** + * nmp_cache_update_netlink: + * @cache: the platform cache + * @obj_hand_over: a #NMPObject instance as received from netlink and created via + * nmp_object_from_nl(). Especially for link, it must not have the udev + * replated fields set. + * This instance will be modified and might be put into the cache. When + * calling nmp_cache_update_netlink() you hand @obj over to the cache. + * Except, that the cache will increment the ref count as appropriate. You + * must still unref the obj to release your part of the ownership. + * @is_dump: whether this update comes during a dump of object of the same kind. + * kernel dumps objects in a certain order, which matters especially for routes. + * Before a dump we mark all objects as dirty, and remove all untouched objects + * afterwards. Hence, during a dump, every update should move the object to the + * end of the list, to obtain the correct order. That means, to use NM_DEDUP_MULTI_IDX_MODE_APPEND_FORCE, + * instead of NM_DEDUP_MULTI_IDX_MODE_APPEND. + * @out_obj_old: (allow-none) (out): return the object with same ID as @obj_hand_over, + * that was in the cache before update. If an object is returned, the caller must + * unref it afterwards. + * @out_obj_new: (allow-none) (out): return the object from the cache after update. + * The caller must unref this object. + * + * Returns: how the cache changed. + * + * Even if there was no change in the cache (NMP_CACHE_OPS_UNCHANGED), @out_obj_old + * and @out_obj_new will be set accordingly. + **/ +NMPCacheOpsType +nmp_cache_update_netlink(NMPCache * cache, + NMPObject * obj_hand_over, + gboolean is_dump, + const NMPObject **out_obj_old, + const NMPObject **out_obj_new) +{ + const NMDedupMultiEntry *entry_old; + const NMDedupMultiEntry *entry_new; + const NMPObject * obj_old; + gboolean is_alive; + + nm_assert(cache); + nm_assert(NMP_OBJECT_IS_VALID(obj_hand_over)); + nm_assert(!NMP_OBJECT_IS_STACKINIT(obj_hand_over)); + /* A link object from netlink must have the udev related fields unset. + * We could implement to handle that, but there is no need to support such + * a use-case */ + nm_assert(NMP_OBJECT_GET_TYPE(obj_hand_over) != NMP_OBJECT_TYPE_LINK + || (!obj_hand_over->_link.udev.device && !obj_hand_over->link.driver)); + nm_assert(nm_dedup_multi_index_obj_find(cache->multi_idx, obj_hand_over) != obj_hand_over); + + entry_old = _lookup_entry(cache, obj_hand_over); + + if (!entry_old) { + NM_SET_OUT(out_obj_old, NULL); + + if (!nmp_object_is_alive(obj_hand_over)) { + NM_SET_OUT(out_obj_new, NULL); + return NMP_CACHE_OPS_UNCHANGED; + } + + if (NMP_OBJECT_GET_TYPE(obj_hand_over) == NMP_OBJECT_TYPE_LINK) { + _nmp_object_fixup_link_master_connected(&obj_hand_over, NULL, cache); + _nmp_object_fixup_link_udev_fields(&obj_hand_over, NULL, cache->use_udev); + } + + _idxcache_update(cache, entry_old, obj_hand_over, is_dump, &entry_new); + NM_SET_OUT(out_obj_new, nmp_object_ref(entry_new->obj)); + return NMP_CACHE_OPS_ADDED; + } + + obj_old = entry_old->obj; + + if (NMP_OBJECT_GET_TYPE(obj_hand_over) == NMP_OBJECT_TYPE_LINK) { + if (!obj_hand_over->_link.netlink.is_in_netlink) { + if (!obj_old->_link.netlink.is_in_netlink) { + nm_assert(obj_old->_link.udev.device); + NM_SET_OUT(out_obj_old, nmp_object_ref(obj_old)); + NM_SET_OUT(out_obj_new, nmp_object_ref(obj_old)); + return NMP_CACHE_OPS_UNCHANGED; + } + if (obj_old->_link.udev.device) { + /* @obj_hand_over is not in netlink. + * + * This is similar to nmp_cache_remove_netlink(), but there we preserve the + * preexisting netlink properties. The use case of that is when kernel_get_object() + * cannot load an object (based on the id of a needle). + * + * Here we keep the data provided from @obj_hand_over. The usecase is when receiving + * a valid @obj_hand_over instance from netlink with RTM_DELROUTE. + */ + is_alive = TRUE; + } else + is_alive = FALSE; + } else + is_alive = TRUE; + + if (is_alive) { + _nmp_object_fixup_link_master_connected(&obj_hand_over, NULL, cache); + + /* Merge the netlink parts with what we have from udev. */ + udev_device_unref(obj_hand_over->_link.udev.device); + obj_hand_over->_link.udev.device = + obj_old->_link.udev.device ? udev_device_ref(obj_old->_link.udev.device) : NULL; + _nmp_object_fixup_link_udev_fields(&obj_hand_over, NULL, cache->use_udev); + + if (obj_hand_over->_link.netlink.lnk) { + nm_auto_nmpobj const NMPObject *lnk_old = obj_hand_over->_link.netlink.lnk; + + /* let's dedup/intern the lnk object. */ + obj_hand_over->_link.netlink.lnk = + nm_dedup_multi_index_obj_intern(cache->multi_idx, lnk_old); + } + } + } else + is_alive = nmp_object_is_alive(obj_hand_over); + + NM_SET_OUT(out_obj_old, nmp_object_ref(obj_old)); + + if (!is_alive) { + /* the update would make @obj_old invalid. Remove it. */ + _idxcache_update(cache, entry_old, NULL, FALSE, NULL); + NM_SET_OUT(out_obj_new, NULL); + return NMP_CACHE_OPS_REMOVED; + } + + if (nmp_object_equal(obj_old, obj_hand_over)) { + if (is_dump) + _idxcache_update_order_for_dump(cache, entry_old); + nm_dedup_multi_entry_set_dirty(entry_old, FALSE); + NM_SET_OUT(out_obj_new, nmp_object_ref(obj_old)); + return NMP_CACHE_OPS_UNCHANGED; + } + + _idxcache_update(cache, entry_old, obj_hand_over, is_dump, &entry_new); + NM_SET_OUT(out_obj_new, nmp_object_ref(entry_new->obj)); + return NMP_CACHE_OPS_UPDATED; +} + +NMPCacheOpsType +nmp_cache_update_netlink_route(NMPCache * cache, + NMPObject * obj_hand_over, + gboolean is_dump, + guint16 nlmsgflags, + const NMPObject **out_obj_old, + const NMPObject **out_obj_new, + const NMPObject **out_obj_replace, + gboolean * out_resync_required) +{ + NMDedupMultiIter iter; + const NMDedupMultiEntry * entry_old; + const NMDedupMultiEntry * entry_new; + const NMDedupMultiEntry * entry_cur; + const NMDedupMultiEntry * entry_replace; + const NMDedupMultiHeadEntry *head_entry; + gboolean is_alive; + NMPCacheOpsType ops_type = NMP_CACHE_OPS_UNCHANGED; + gboolean resync_required; + + nm_assert(cache); + nm_assert(NMP_OBJECT_IS_VALID(obj_hand_over)); + nm_assert(!NMP_OBJECT_IS_STACKINIT(obj_hand_over)); + /* A link object from netlink must have the udev related fields unset. + * We could implement to handle that, but there is no need to support such + * a use-case */ + nm_assert(NM_IN_SET(NMP_OBJECT_GET_TYPE(obj_hand_over), + NMP_OBJECT_TYPE_IP4_ROUTE, + NMP_OBJECT_TYPE_IP6_ROUTE)); + nm_assert(nm_dedup_multi_index_obj_find(cache->multi_idx, obj_hand_over) != obj_hand_over); + + entry_old = _lookup_entry(cache, obj_hand_over); + entry_new = NULL; + + NM_SET_OUT(out_obj_old, nmp_object_ref(nm_dedup_multi_entry_get_obj(entry_old))); + + if (!entry_old) { + if (!nmp_object_is_alive(obj_hand_over)) + goto update_done; + + _idxcache_update(cache, NULL, obj_hand_over, is_dump, &entry_new); + ops_type = NMP_CACHE_OPS_ADDED; + goto update_done; + } + + is_alive = nmp_object_is_alive(obj_hand_over); + + if (!is_alive) { + /* the update would make @entry_old invalid. Remove it. */ + _idxcache_update(cache, entry_old, NULL, FALSE, NULL); + ops_type = NMP_CACHE_OPS_REMOVED; + goto update_done; + } + + if (nmp_object_equal(entry_old->obj, obj_hand_over)) { + if (is_dump) + _idxcache_update_order_for_dump(cache, entry_old); + nm_dedup_multi_entry_set_dirty(entry_old, FALSE); + goto update_done; + } + + _idxcache_update(cache, entry_old, obj_hand_over, is_dump, &entry_new); + ops_type = NMP_CACHE_OPS_UPDATED; + +update_done: + NM_SET_OUT(out_obj_new, nmp_object_ref(nm_dedup_multi_entry_get_obj(entry_new))); + + /* a RTM_GETROUTE event may signal that another object was replaced. + * Find out whether that is the case and return it as @obj_replaced. + * + * Also, fixup the order of @entry_new within NMP_CACHE_ID_TYPE_ROUTES_BY_WEAK_ID + * index. For most parts, we don't care about the order of objects (including routes). + * But NMP_CACHE_ID_TYPE_ROUTES_BY_WEAK_ID we must keep in the correct order, to + * properly find @obj_replaced. */ + resync_required = FALSE; + entry_replace = NULL; + if (is_dump) + goto out; + + if (!entry_new) { + if (NM_FLAGS_HAS(nlmsgflags, NLM_F_REPLACE) + && nmp_cache_lookup_all(cache, NMP_CACHE_ID_TYPE_ROUTES_BY_WEAK_ID, obj_hand_over)) { + /* hm. @obj_hand_over was not added, meaning it was not alive. + * However, we track some other objects with the same weak-id. + * It's unclear what that means. To be sure, resync. */ + resync_required = TRUE; + } + goto out; + } + + /* FIXME: for routes, we only maintain the order correctly for the BY_WEAK_ID + * index. For all other indexes their order becomes messed up. */ + entry_cur = + _lookup_entry_with_idx_type(cache, NMP_CACHE_ID_TYPE_ROUTES_BY_WEAK_ID, entry_new->obj); + if (!entry_cur) { + nm_assert_not_reached(); + goto out; + } + nm_assert(entry_cur->obj == entry_new->obj); + + head_entry = entry_cur->head; + nm_assert(head_entry + == nmp_cache_lookup_all(cache, NMP_CACHE_ID_TYPE_ROUTES_BY_WEAK_ID, entry_cur->obj)); + + if (head_entry->len == 1) { + /* there is only one object, and we expect it to be @obj_new. */ + nm_assert(nm_dedup_multi_head_entry_get_idx(head_entry, 0) == entry_cur); + goto out; + } + + switch (nlmsgflags & (NLM_F_REPLACE | NLM_F_EXCL | NLM_F_CREATE | NLM_F_APPEND)) { + case NLM_F_REPLACE: + /* ip route change */ + + /* get the first element (but skip @obj_new). */ + nm_dedup_multi_iter_init(&iter, head_entry); + if (!nm_dedup_multi_iter_next(&iter)) + nm_assert_not_reached(); + if (iter.current == entry_cur) { + if (!nm_dedup_multi_iter_next(&iter)) + nm_assert_not_reached(); + } + entry_replace = iter.current; + + nm_assert(entry_replace && entry_cur != entry_replace); + + nm_dedup_multi_entry_reorder(entry_cur, entry_replace, FALSE); + break; + case NLM_F_CREATE | NLM_F_APPEND: + /* ip route append */ + nm_dedup_multi_entry_reorder(entry_cur, NULL, TRUE); + break; + case NLM_F_CREATE: + /* ip route prepend */ + nm_dedup_multi_entry_reorder(entry_cur, NULL, FALSE); + break; + default: + /* this is an unexpected case, probably a bug that we need to handle better. */ + resync_required = TRUE; + break; + } + +out: + NM_SET_OUT(out_obj_replace, nmp_object_ref(nm_dedup_multi_entry_get_obj(entry_replace))); + NM_SET_OUT(out_resync_required, resync_required); + return ops_type; +} + +NMPCacheOpsType +nmp_cache_update_link_udev(NMPCache * cache, + int ifindex, + struct udev_device *udevice, + const NMPObject ** out_obj_old, + const NMPObject ** out_obj_new) +{ + const NMPObject *obj_old; + nm_auto_nmpobj NMPObject *obj_new = NULL; + const NMDedupMultiEntry * entry_old; + const NMDedupMultiEntry * entry_new; + + entry_old = nmp_cache_lookup_entry_link(cache, ifindex); + + if (!entry_old) { + if (!udevice) { + NM_SET_OUT(out_obj_old, NULL); + NM_SET_OUT(out_obj_new, NULL); + return NMP_CACHE_OPS_UNCHANGED; + } + + obj_new = nmp_object_new(NMP_OBJECT_TYPE_LINK, NULL); + obj_new->link.ifindex = ifindex; + obj_new->_link.udev.device = udev_device_ref(udevice); + + _nmp_object_fixup_link_udev_fields(&obj_new, NULL, cache->use_udev); + + _idxcache_update(cache, NULL, obj_new, FALSE, &entry_new); + NM_SET_OUT(out_obj_old, NULL); + NM_SET_OUT(out_obj_new, nmp_object_ref(entry_new->obj)); + return NMP_CACHE_OPS_ADDED; + } else { + obj_old = entry_old->obj; + NM_SET_OUT(out_obj_old, nmp_object_ref(obj_old)); + + if (obj_old->_link.udev.device == udevice) { + NM_SET_OUT(out_obj_new, nmp_object_ref(obj_old)); + return NMP_CACHE_OPS_UNCHANGED; + } + + if (!udevice && !obj_old->_link.netlink.is_in_netlink) { + /* the update would make @obj_old invalid. Remove it. */ + _idxcache_update(cache, entry_old, NULL, FALSE, NULL); + NM_SET_OUT(out_obj_new, NULL); + return NMP_CACHE_OPS_REMOVED; + } + + obj_new = nmp_object_clone(obj_old, FALSE); + + udev_device_unref(obj_new->_link.udev.device); + obj_new->_link.udev.device = udevice ? udev_device_ref(udevice) : NULL; + + _nmp_object_fixup_link_udev_fields(&obj_new, NULL, cache->use_udev); + + _idxcache_update(cache, entry_old, obj_new, FALSE, &entry_new); + NM_SET_OUT(out_obj_new, nmp_object_ref(entry_new->obj)); + return NMP_CACHE_OPS_UPDATED; + } +} + +NMPCacheOpsType +nmp_cache_update_link_master_connected(NMPCache * cache, + int ifindex, + const NMPObject **out_obj_old, + const NMPObject **out_obj_new) +{ + const NMDedupMultiEntry *entry_old; + const NMDedupMultiEntry *entry_new = NULL; + const NMPObject * obj_old; + nm_auto_nmpobj NMPObject *obj_new = NULL; + + entry_old = nmp_cache_lookup_entry_link(cache, ifindex); + + if (!entry_old) { + NM_SET_OUT(out_obj_old, NULL); + NM_SET_OUT(out_obj_new, NULL); + return NMP_CACHE_OPS_UNCHANGED; + } + + obj_old = entry_old->obj; + + if (!nmp_cache_link_connected_needs_toggle(cache, obj_old, NULL, NULL)) { + NM_SET_OUT(out_obj_old, nmp_object_ref(obj_old)); + NM_SET_OUT(out_obj_new, nmp_object_ref(obj_old)); + return NMP_CACHE_OPS_UNCHANGED; + } + + obj_new = nmp_object_clone(obj_old, FALSE); + obj_new->link.connected = !obj_old->link.connected; + + NM_SET_OUT(out_obj_old, nmp_object_ref(obj_old)); + _idxcache_update(cache, entry_old, obj_new, FALSE, &entry_new); + NM_SET_OUT(out_obj_new, nmp_object_ref(entry_new->obj)); + return NMP_CACHE_OPS_UPDATED; +} + +/*****************************************************************************/ + +void +nmp_cache_dirty_set_all_main(NMPCache *cache, const NMPLookup *lookup) +{ + const NMDedupMultiHeadEntry *head_entry; + NMDedupMultiIter iter; + + nm_assert(cache); + nm_assert(lookup); + + head_entry = nmp_cache_lookup(cache, lookup); + + nm_dedup_multi_iter_init(&iter, head_entry); + while (nm_dedup_multi_iter_next(&iter)) { + const NMDedupMultiEntry *main_entry; + + main_entry = nmp_cache_reresolve_main_entry(cache, iter.current, lookup); + + nm_dedup_multi_entry_set_dirty(main_entry, TRUE); + } +} + +/*****************************************************************************/ + +NMPCache * +nmp_cache_new(NMDedupMultiIndex *multi_idx, gboolean use_udev) +{ + NMPCache *cache = g_slice_new0(NMPCache); + guint i; + + for (i = NMP_CACHE_ID_TYPE_NONE + 1; i <= NMP_CACHE_ID_TYPE_MAX; i++) + _dedup_multi_idx_type_init((DedupMultiIdxType *) _idx_type_get(cache, i), i); + + cache->multi_idx = nm_dedup_multi_index_ref(multi_idx); + + cache->use_udev = !!use_udev; + return cache; +} + +void +nmp_cache_free(NMPCache *cache) +{ + guint i; + + for (i = NMP_CACHE_ID_TYPE_NONE + 1; i <= NMP_CACHE_ID_TYPE_MAX; i++) + nm_dedup_multi_index_remove_idx(cache->multi_idx, _idx_type_get(cache, i)); + + nm_dedup_multi_index_unref(cache->multi_idx); + + g_slice_free(NMPCache, cache); +} + +/*****************************************************************************/ + +void +nmtst_assert_nmp_cache_is_consistent(const NMPCache *cache) +{} + +/*****************************************************************************/ + +/* below, ensure that addr_family get's automatically initialize to AF_UNSPEC. */ +G_STATIC_ASSERT(AF_UNSPEC == 0); + +typedef const char *(*CmdPlobjToStringFunc)(const NMPlatformObject *obj, char *buf, gsize len); +typedef const char *(*CmdPlobjToStringIdFunc)(const NMPlatformObject *obj, char *buf, gsize len); +typedef void (*CmdPlobjHashUpdateFunc)(const NMPlatformObject *obj, NMHashState *h); +typedef int (*CmdPlobjCmpFunc)(const NMPlatformObject *obj1, const NMPlatformObject *obj2); + +const NMPClass _nmp_classes[NMP_OBJECT_TYPE_MAX] = { + [NMP_OBJECT_TYPE_LINK - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LINK, + .sizeof_data = sizeof(NMPObjectLink), + .sizeof_public = sizeof(NMPlatformLink), + .obj_type_name = "link", + .rtm_gettype = RTM_GETLINK, + .signal_type_id = NM_PLATFORM_SIGNAL_ID_LINK, + .signal_type = NM_PLATFORM_SIGNAL_LINK_CHANGED, + .supported_cache_ids = _supported_cache_ids_link, + .cmd_obj_hash_update = _vt_cmd_obj_hash_update_link, + .cmd_obj_cmp = _vt_cmd_obj_cmp_link, + .cmd_obj_copy = _vt_cmd_obj_copy_link, + .cmd_obj_dispose = _vt_cmd_obj_dispose_link, + .cmd_obj_is_alive = _vt_cmd_obj_is_alive_link, + .cmd_obj_is_visible = _vt_cmd_obj_is_visible_link, + .cmd_obj_to_string = _vt_cmd_obj_to_string_link, + .cmd_plobj_id_copy = _vt_cmd_plobj_id_copy_link, + .cmd_plobj_id_cmp = _vt_cmd_plobj_id_cmp_link, + .cmd_plobj_id_hash_update = _vt_cmd_plobj_id_hash_update_link, + .cmd_plobj_to_string_id = _vt_cmd_plobj_to_string_id_link, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_link_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_link_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_link_cmp, + }, + [NMP_OBJECT_TYPE_IP4_ADDRESS - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_IP4_ADDRESS, + .sizeof_data = sizeof(NMPObjectIP4Address), + .sizeof_public = sizeof(NMPlatformIP4Address), + .obj_type_name = "ip4-address", + .addr_family = AF_INET, + .rtm_gettype = RTM_GETADDR, + .signal_type_id = NM_PLATFORM_SIGNAL_ID_IP4_ADDRESS, + .signal_type = NM_PLATFORM_SIGNAL_IP4_ADDRESS_CHANGED, + .supported_cache_ids = _supported_cache_ids_ipx_address, + .cmd_obj_is_alive = _vt_cmd_obj_is_alive_ipx_address, + .cmd_plobj_id_copy = _vt_cmd_plobj_id_copy_ip4_address, + .cmd_plobj_id_cmp = _vt_cmd_plobj_id_cmp_ip4_address, + .cmd_plobj_id_hash_update = _vt_cmd_plobj_id_hash_update_ip4_address, + .cmd_plobj_to_string_id = _vt_cmd_plobj_to_string_id_ip4_address, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_ip4_address_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_ip4_address_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_ip4_address_cmp, + }, + [NMP_OBJECT_TYPE_IP6_ADDRESS + - 1] = {.parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_IP6_ADDRESS, + .sizeof_data = sizeof(NMPObjectIP6Address), + .sizeof_public = sizeof(NMPlatformIP6Address), + .obj_type_name = "ip6-address", + .addr_family = AF_INET6, + .rtm_gettype = RTM_GETADDR, + .signal_type_id = NM_PLATFORM_SIGNAL_ID_IP6_ADDRESS, + .signal_type = NM_PLATFORM_SIGNAL_IP6_ADDRESS_CHANGED, + .supported_cache_ids = _supported_cache_ids_ipx_address, + .cmd_obj_is_alive = _vt_cmd_obj_is_alive_ipx_address, + .cmd_plobj_id_copy = _vt_cmd_plobj_id_copy_ip6_address, + .cmd_plobj_id_cmp = _vt_cmd_plobj_id_cmp_ip6_address, + .cmd_plobj_id_hash_update = _vt_cmd_plobj_id_hash_update_ip6_address, + .cmd_plobj_to_string_id = _vt_cmd_plobj_to_string_id_ip6_address, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_ip6_address_to_string, + .cmd_plobj_hash_update = + (CmdPlobjHashUpdateFunc) nm_platform_ip6_address_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_ip6_address_cmp}, + [NMP_OBJECT_TYPE_IP4_ROUTE - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_IP4_ROUTE, + .sizeof_data = sizeof(NMPObjectIP4Route), + .sizeof_public = sizeof(NMPlatformIP4Route), + .obj_type_name = "ip4-route", + .addr_family = AF_INET, + .rtm_gettype = RTM_GETROUTE, + .signal_type_id = NM_PLATFORM_SIGNAL_ID_IP4_ROUTE, + .signal_type = NM_PLATFORM_SIGNAL_IP4_ROUTE_CHANGED, + .supported_cache_ids = _supported_cache_ids_ipx_route, + .cmd_obj_is_alive = _vt_cmd_obj_is_alive_ipx_route, + .cmd_plobj_id_copy = _vt_cmd_plobj_id_copy_ip4_route, + .cmd_plobj_id_cmp = _vt_cmd_plobj_id_cmp_ip4_route, + .cmd_plobj_id_hash_update = _vt_cmd_plobj_id_hash_update_ip4_route, + .cmd_plobj_to_string_id = (CmdPlobjToStringIdFunc) nm_platform_ip4_route_to_string, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_ip4_route_to_string, + .cmd_plobj_hash_update = _vt_cmd_plobj_hash_update_ip4_route, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_ip4_route_cmp_full, + }, + [NMP_OBJECT_TYPE_IP6_ROUTE - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_IP6_ROUTE, + .sizeof_data = sizeof(NMPObjectIP6Route), + .sizeof_public = sizeof(NMPlatformIP6Route), + .obj_type_name = "ip6-route", + .addr_family = AF_INET6, + .rtm_gettype = RTM_GETROUTE, + .signal_type_id = NM_PLATFORM_SIGNAL_ID_IP6_ROUTE, + .signal_type = NM_PLATFORM_SIGNAL_IP6_ROUTE_CHANGED, + .supported_cache_ids = _supported_cache_ids_ipx_route, + .cmd_obj_is_alive = _vt_cmd_obj_is_alive_ipx_route, + .cmd_plobj_id_copy = _vt_cmd_plobj_id_copy_ip6_route, + .cmd_plobj_id_cmp = _vt_cmd_plobj_id_cmp_ip6_route, + .cmd_plobj_id_hash_update = _vt_cmd_plobj_id_hash_update_ip6_route, + .cmd_plobj_to_string_id = (CmdPlobjToStringIdFunc) nm_platform_ip6_route_to_string, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_ip6_route_to_string, + .cmd_plobj_hash_update = _vt_cmd_plobj_hash_update_ip6_route, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_ip6_route_cmp_full, + }, + [NMP_OBJECT_TYPE_ROUTING_RULE - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_ROUTING_RULE, + .sizeof_data = sizeof(NMPObjectRoutingRule), + .sizeof_public = sizeof(NMPlatformRoutingRule), + .obj_type_name = "routing-rule", + .rtm_gettype = RTM_GETRULE, + .signal_type_id = NM_PLATFORM_SIGNAL_ID_ROUTING_RULE, + .signal_type = NM_PLATFORM_SIGNAL_ROUTING_RULE_CHANGED, + .supported_cache_ids = _supported_cache_ids_routing_rules, + .cmd_obj_is_alive = _vt_cmd_obj_is_alive_routing_rule, + .cmd_plobj_id_copy = _vt_cmd_plobj_id_copy_routing_rule, + .cmd_plobj_id_cmp = _vt_cmd_plobj_id_cmp_routing_rule, + .cmd_plobj_id_hash_update = _vt_cmd_plobj_id_hash_update_routing_rule, + .cmd_plobj_to_string_id = (CmdPlobjToStringIdFunc) nm_platform_routing_rule_to_string, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_routing_rule_to_string, + .cmd_plobj_hash_update = _vt_cmd_plobj_hash_update_routing_rule, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_routing_rule_cmp_full, + }, + [NMP_OBJECT_TYPE_QDISC - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_QDISC, + .sizeof_data = sizeof(NMPObjectQdisc), + .sizeof_public = sizeof(NMPlatformQdisc), + .obj_type_name = "qdisc", + .rtm_gettype = RTM_GETQDISC, + .signal_type_id = NM_PLATFORM_SIGNAL_ID_QDISC, + .signal_type = NM_PLATFORM_SIGNAL_QDISC_CHANGED, + .supported_cache_ids = _supported_cache_ids_object, + .cmd_obj_is_alive = _vt_cmd_obj_is_alive_qdisc, + .cmd_plobj_id_cmp = _vt_cmd_plobj_id_cmp_qdisc, + .cmd_plobj_id_hash_update = _vt_cmd_plobj_id_hash_update_qdisc, + .cmd_plobj_to_string_id = _vt_cmd_plobj_to_string_id_qdisc, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_qdisc_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_qdisc_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_qdisc_cmp, + }, + [NMP_OBJECT_TYPE_TFILTER - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_TFILTER, + .sizeof_data = sizeof(NMPObjectTfilter), + .sizeof_public = sizeof(NMPlatformTfilter), + .obj_type_name = "tfilter", + .rtm_gettype = RTM_GETTFILTER, + .signal_type_id = NM_PLATFORM_SIGNAL_ID_TFILTER, + .signal_type = NM_PLATFORM_SIGNAL_TFILTER_CHANGED, + .supported_cache_ids = _supported_cache_ids_object, + .cmd_obj_is_alive = _vt_cmd_obj_is_alive_tfilter, + .cmd_plobj_id_cmp = _vt_cmd_plobj_id_cmp_tfilter, + .cmd_plobj_id_hash_update = _vt_cmd_plobj_id_hash_update_tfilter, + .cmd_plobj_to_string_id = _vt_cmd_plobj_to_string_id_tfilter, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_tfilter_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_tfilter_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_tfilter_cmp, + }, + [NMP_OBJECT_TYPE_LNK_BRIDGE - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_BRIDGE, + .sizeof_data = sizeof(NMPObjectLnkBridge), + .sizeof_public = sizeof(NMPlatformLnkBridge), + .obj_type_name = "bridge", + .lnk_link_type = NM_LINK_TYPE_BRIDGE, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_bridge_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_bridge_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_bridge_cmp, + }, + [NMP_OBJECT_TYPE_LNK_GRE - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_GRE, + .sizeof_data = sizeof(NMPObjectLnkGre), + .sizeof_public = sizeof(NMPlatformLnkGre), + .obj_type_name = "gre", + .lnk_link_type = NM_LINK_TYPE_GRE, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_gre_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_gre_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_gre_cmp, + }, + [NMP_OBJECT_TYPE_LNK_GRETAP - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_GRETAP, + .sizeof_data = sizeof(NMPObjectLnkGre), + .sizeof_public = sizeof(NMPlatformLnkGre), + .obj_type_name = "gretap", + .lnk_link_type = NM_LINK_TYPE_GRETAP, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_gre_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_gre_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_gre_cmp, + }, + [NMP_OBJECT_TYPE_LNK_INFINIBAND - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_INFINIBAND, + .sizeof_data = sizeof(NMPObjectLnkInfiniband), + .sizeof_public = sizeof(NMPlatformLnkInfiniband), + .obj_type_name = "infiniband", + .lnk_link_type = NM_LINK_TYPE_INFINIBAND, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_infiniband_to_string, + .cmd_plobj_hash_update = + (CmdPlobjHashUpdateFunc) nm_platform_lnk_infiniband_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_infiniband_cmp, + }, + [NMP_OBJECT_TYPE_LNK_IP6TNL - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_IP6TNL, + .sizeof_data = sizeof(NMPObjectLnkIp6Tnl), + .sizeof_public = sizeof(NMPlatformLnkIp6Tnl), + .obj_type_name = "ip6tnl", + .lnk_link_type = NM_LINK_TYPE_IP6TNL, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_ip6tnl_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_ip6tnl_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_ip6tnl_cmp, + }, + [NMP_OBJECT_TYPE_LNK_IP6GRE - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_IP6GRE, + .sizeof_data = sizeof(NMPObjectLnkIp6Tnl), + .sizeof_public = sizeof(NMPlatformLnkIp6Tnl), + .obj_type_name = "ip6gre", + .lnk_link_type = NM_LINK_TYPE_IP6GRE, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_ip6tnl_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_ip6tnl_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_ip6tnl_cmp, + }, + [NMP_OBJECT_TYPE_LNK_IP6GRETAP - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_IP6GRETAP, + .sizeof_data = sizeof(NMPObjectLnkIp6Tnl), + .sizeof_public = sizeof(NMPlatformLnkIp6Tnl), + .obj_type_name = "ip6gretap", + .lnk_link_type = NM_LINK_TYPE_IP6GRETAP, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_ip6tnl_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_ip6tnl_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_ip6tnl_cmp, + }, + [NMP_OBJECT_TYPE_LNK_IPIP - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_IPIP, + .sizeof_data = sizeof(NMPObjectLnkIpIp), + .sizeof_public = sizeof(NMPlatformLnkIpIp), + .obj_type_name = "ipip", + .lnk_link_type = NM_LINK_TYPE_IPIP, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_ipip_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_ipip_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_ipip_cmp, + }, + [NMP_OBJECT_TYPE_LNK_MACSEC - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_MACSEC, + .sizeof_data = sizeof(NMPObjectLnkMacsec), + .sizeof_public = sizeof(NMPlatformLnkMacsec), + .obj_type_name = "macsec", + .lnk_link_type = NM_LINK_TYPE_MACSEC, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_macsec_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_macsec_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_macsec_cmp, + }, + [NMP_OBJECT_TYPE_LNK_MACVLAN - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_MACVLAN, + .sizeof_data = sizeof(NMPObjectLnkMacvlan), + .sizeof_public = sizeof(NMPlatformLnkMacvlan), + .obj_type_name = "macvlan", + .lnk_link_type = NM_LINK_TYPE_MACVLAN, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_macvlan_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_macvlan_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_macvlan_cmp, + }, + [NMP_OBJECT_TYPE_LNK_MACVTAP - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_MACVTAP, + .sizeof_data = sizeof(NMPObjectLnkMacvtap), + .sizeof_public = sizeof(NMPlatformLnkMacvlan), + .obj_type_name = "macvtap", + .lnk_link_type = NM_LINK_TYPE_MACVTAP, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_macvlan_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_macvlan_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_macvlan_cmp, + }, + [NMP_OBJECT_TYPE_LNK_SIT - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_SIT, + .sizeof_data = sizeof(NMPObjectLnkSit), + .sizeof_public = sizeof(NMPlatformLnkSit), + .obj_type_name = "sit", + .lnk_link_type = NM_LINK_TYPE_SIT, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_sit_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_sit_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_sit_cmp, + }, + [NMP_OBJECT_TYPE_LNK_TUN - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_TUN, + .sizeof_data = sizeof(NMPObjectLnkTun), + .sizeof_public = sizeof(NMPlatformLnkTun), + .obj_type_name = "tun", + .lnk_link_type = NM_LINK_TYPE_TUN, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_tun_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_tun_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_tun_cmp, + }, + [NMP_OBJECT_TYPE_LNK_VLAN - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_VLAN, + .sizeof_data = sizeof(NMPObjectLnkVlan), + .sizeof_public = sizeof(NMPlatformLnkVlan), + .obj_type_name = "vlan", + .lnk_link_type = NM_LINK_TYPE_VLAN, + .cmd_obj_hash_update = _vt_cmd_obj_hash_update_lnk_vlan, + .cmd_obj_cmp = _vt_cmd_obj_cmp_lnk_vlan, + .cmd_obj_copy = _vt_cmd_obj_copy_lnk_vlan, + .cmd_obj_dispose = _vt_cmd_obj_dispose_lnk_vlan, + .cmd_obj_to_string = _vt_cmd_obj_to_string_lnk_vlan, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_vlan_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_vlan_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_vlan_cmp, + }, + [NMP_OBJECT_TYPE_LNK_VRF - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_VRF, + .sizeof_data = sizeof(NMPObjectLnkVrf), + .sizeof_public = sizeof(NMPlatformLnkVrf), + .obj_type_name = "vrf", + .lnk_link_type = NM_LINK_TYPE_VRF, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_vrf_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_vrf_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_vrf_cmp, + }, + [NMP_OBJECT_TYPE_LNK_VXLAN - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_VXLAN, + .sizeof_data = sizeof(NMPObjectLnkVxlan), + .sizeof_public = sizeof(NMPlatformLnkVxlan), + .obj_type_name = "vxlan", + .lnk_link_type = NM_LINK_TYPE_VXLAN, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_vxlan_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_vxlan_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_vxlan_cmp, + }, + [NMP_OBJECT_TYPE_LNK_WIREGUARD - 1] = + { + .parent = DEDUP_MULTI_OBJ_CLASS_INIT(), + .obj_type = NMP_OBJECT_TYPE_LNK_WIREGUARD, + .sizeof_data = sizeof(NMPObjectLnkWireGuard), + .sizeof_public = sizeof(NMPlatformLnkWireGuard), + .obj_type_name = "wireguard", + .lnk_link_type = NM_LINK_TYPE_WIREGUARD, + .cmd_obj_hash_update = _vt_cmd_obj_hash_update_lnk_wireguard, + .cmd_obj_cmp = _vt_cmd_obj_cmp_lnk_wireguard, + .cmd_obj_copy = _vt_cmd_obj_copy_lnk_wireguard, + .cmd_obj_dispose = _vt_cmd_obj_dispose_lnk_wireguard, + .cmd_obj_to_string = _vt_cmd_obj_to_string_lnk_wireguard, + .cmd_plobj_to_string = (CmdPlobjToStringFunc) nm_platform_lnk_wireguard_to_string, + .cmd_plobj_hash_update = (CmdPlobjHashUpdateFunc) nm_platform_lnk_wireguard_hash_update, + .cmd_plobj_cmp = (CmdPlobjCmpFunc) nm_platform_lnk_wireguard_cmp, + }, +}; |