| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| |
| #include <net/if.h> |
| #include <netinet/in.h> |
| #include <sys/capability.h> |
| |
| #include "alloc-util.h" |
| #include "bus-common-errors.h" |
| #include "bus-polkit.h" |
| #include "bus-util.h" |
| #include "dns-domain.h" |
| #include "networkd-link-bus.h" |
| #include "networkd-link.h" |
| #include "networkd-manager.h" |
| #include "parse-util.h" |
| #include "resolve-util.h" |
| #include "strv.h" |
| #include "user-util.h" |
| |
| BUS_DEFINE_PROPERTY_GET_ENUM(property_get_operational_state, link_operstate, LinkOperationalState); |
| BUS_DEFINE_PROPERTY_GET_ENUM(property_get_carrier_state, link_carrier_state, LinkCarrierState); |
| BUS_DEFINE_PROPERTY_GET_ENUM(property_get_address_state, link_address_state, LinkAddressState); |
| static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_administrative_state, link_state, LinkState); |
| |
| static int property_get_bit_rates( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| Link *link = userdata; |
| Manager *manager; |
| double interval_sec; |
| uint64_t tx, rx; |
| |
| assert(bus); |
| assert(reply); |
| assert(userdata); |
| |
| manager = link->manager; |
| |
| if (!manager->use_speed_meter || |
| manager->speed_meter_usec_old == 0 || |
| !link->stats_updated) |
| return sd_bus_message_append(reply, "(tt)", UINT64_MAX, UINT64_MAX); |
| |
| assert(manager->speed_meter_usec_new > manager->speed_meter_usec_old); |
| interval_sec = (manager->speed_meter_usec_new - manager->speed_meter_usec_old) / USEC_PER_SEC; |
| |
| if (link->stats_new.tx_bytes > link->stats_old.tx_bytes) |
| tx = (uint64_t) ((link->stats_new.tx_bytes - link->stats_old.tx_bytes) / interval_sec); |
| else |
| tx = (uint64_t) ((UINT64_MAX - (link->stats_old.tx_bytes - link->stats_new.tx_bytes)) / interval_sec); |
| |
| if (link->stats_new.rx_bytes > link->stats_old.rx_bytes) |
| rx = (uint64_t) ((link->stats_new.rx_bytes - link->stats_old.rx_bytes) / interval_sec); |
| else |
| rx = (uint64_t) ((UINT64_MAX - (link->stats_old.rx_bytes - link->stats_new.rx_bytes)) / interval_sec); |
| |
| return sd_bus_message_append(reply, "(tt)", tx, rx); |
| } |
| |
| static int verify_managed_link(Link *l, sd_bus_error *error) { |
| assert(l); |
| |
| if (l->flags & IFF_LOOPBACK) |
| return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->ifname); |
| |
| return 0; |
| } |
| |
| int bus_link_method_set_ntp_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_strv_free_ char **ntp = NULL; |
| Link *l = userdata; |
| int r; |
| char **i; |
| |
| assert(message); |
| assert(l); |
| |
| r = verify_managed_link(l, error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read_strv(message, &ntp); |
| if (r < 0) |
| return r; |
| |
| STRV_FOREACH(i, ntp) { |
| r = dns_name_is_valid_or_address(*i); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid NTP server: %s", *i); |
| } |
| |
| r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
| "org.freedesktop.network1.set-ntp-servers", |
| NULL, true, UID_INVALID, |
| &l->manager->polkit_registry, error); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return 1; /* Polkit will call us back */ |
| |
| strv_free_and_replace(l->ntp, ntp); |
| |
| (void) link_dirty(l); |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_free_ struct in_addr_data *dns = NULL; |
| size_t allocated = 0, n = 0; |
| Link *l = userdata; |
| int r; |
| |
| assert(message); |
| assert(l); |
| |
| r = verify_managed_link(l, error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_enter_container(message, 'a', "(iay)"); |
| if (r < 0) |
| return r; |
| |
| for (;;) { |
| int family; |
| size_t sz; |
| const void *d; |
| |
| assert_cc(sizeof(int) == sizeof(int32_t)); |
| |
| r = sd_bus_message_enter_container(message, 'r', "iay"); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| break; |
| |
| r = sd_bus_message_read(message, "i", &family); |
| if (r < 0) |
| return r; |
| |
| if (!IN_SET(family, AF_INET, AF_INET6)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family); |
| |
| r = sd_bus_message_read_array(message, 'y', &d, &sz); |
| if (r < 0) |
| return r; |
| if (sz != FAMILY_ADDRESS_SIZE(family)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size"); |
| |
| if (!dns_server_address_valid(family, d)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNS server address"); |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| if (!GREEDY_REALLOC(dns, allocated, n+1)) |
| return -ENOMEM; |
| |
| dns[n].family = family; |
| memcpy(&dns[n].address, d, sz); |
| n++; |
| } |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
| "org.freedesktop.network1.set-dns-servers", |
| NULL, true, UID_INVALID, |
| &l->manager->polkit_registry, error); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return 1; /* Polkit will call us back */ |
| |
| free_and_replace(l->dns, dns); |
| l->n_dns = n; |
| |
| (void) link_dirty(l); |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_(ordered_set_freep) OrderedSet *search_domains = NULL, *route_domains = NULL; |
| Link *l = userdata; |
| int r; |
| |
| assert(message); |
| assert(l); |
| |
| r = verify_managed_link(l, error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_enter_container(message, 'a', "(sb)"); |
| if (r < 0) |
| return r; |
| |
| for (;;) { |
| _cleanup_free_ char *str = NULL; |
| OrderedSet **domains; |
| const char *name; |
| int route_only; |
| |
| r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| break; |
| |
| r = dns_name_is_valid(name); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name); |
| if (!route_only && dns_name_is_root(name)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain"); |
| |
| r = dns_name_normalize(name, 0, &str); |
| if (r < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name); |
| |
| domains = route_only ? &route_domains : &search_domains; |
| r = ordered_set_ensure_allocated(domains, &string_hash_ops); |
| if (r < 0) |
| return r; |
| |
| r = ordered_set_put(*domains, str); |
| if (r < 0) |
| return r; |
| |
| TAKE_PTR(str); |
| } |
| |
| r = sd_bus_message_exit_container(message); |
| if (r < 0) |
| return r; |
| |
| r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
| "org.freedesktop.network1.set-domains", |
| NULL, true, UID_INVALID, |
| &l->manager->polkit_registry, error); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return 1; /* Polkit will call us back */ |
| |
| ordered_set_free_free(l->search_domains); |
| ordered_set_free_free(l->route_domains); |
| l->search_domains = TAKE_PTR(search_domains); |
| l->route_domains = TAKE_PTR(route_domains); |
| |
| (void) link_dirty(l); |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| int bus_link_method_set_default_route(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Link *l = userdata; |
| int r, b; |
| |
| assert(message); |
| assert(l); |
| |
| r = verify_managed_link(l, error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "b", &b); |
| if (r < 0) |
| return r; |
| |
| r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
| "org.freedesktop.network1.set-default-route", |
| NULL, true, UID_INVALID, |
| &l->manager->polkit_registry, error); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return 1; /* Polkit will call us back */ |
| |
| if (l->dns_default_route != b) { |
| l->dns_default_route = b; |
| (void) link_dirty(l); |
| } |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Link *l = userdata; |
| ResolveSupport mode; |
| const char *llmnr; |
| int r; |
| |
| assert(message); |
| assert(l); |
| |
| r = verify_managed_link(l, error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "s", &llmnr); |
| if (r < 0) |
| return r; |
| |
| if (isempty(llmnr)) |
| mode = RESOLVE_SUPPORT_YES; |
| else { |
| mode = resolve_support_from_string(llmnr); |
| if (mode < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr); |
| } |
| |
| r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
| "org.freedesktop.network1.set-llmnr", |
| NULL, true, UID_INVALID, |
| &l->manager->polkit_registry, error); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return 1; /* Polkit will call us back */ |
| |
| if (l->llmnr != mode) { |
| l->llmnr = mode; |
| (void) link_dirty(l); |
| } |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Link *l = userdata; |
| ResolveSupport mode; |
| const char *mdns; |
| int r; |
| |
| assert(message); |
| assert(l); |
| |
| r = verify_managed_link(l, error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "s", &mdns); |
| if (r < 0) |
| return r; |
| |
| if (isempty(mdns)) |
| mode = RESOLVE_SUPPORT_NO; |
| else { |
| mode = resolve_support_from_string(mdns); |
| if (mode < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid MulticastDNS setting: %s", mdns); |
| } |
| |
| r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
| "org.freedesktop.network1.set-mdns", |
| NULL, true, UID_INVALID, |
| &l->manager->polkit_registry, error); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return 1; /* Polkit will call us back */ |
| |
| if (l->mdns != mode) { |
| l->mdns = mode; |
| (void) link_dirty(l); |
| } |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| int bus_link_method_set_dns_over_tls(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Link *l = userdata; |
| const char *dns_over_tls; |
| DnsOverTlsMode mode; |
| int r; |
| |
| assert(message); |
| assert(l); |
| |
| r = verify_managed_link(l, error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "s", &dns_over_tls); |
| if (r < 0) |
| return r; |
| |
| if (isempty(dns_over_tls)) |
| mode = _DNS_OVER_TLS_MODE_INVALID; |
| else { |
| mode = dns_over_tls_mode_from_string(dns_over_tls); |
| if (mode < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSOverTLS setting: %s", dns_over_tls); |
| } |
| |
| r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
| "org.freedesktop.network1.set-dns-over-tls", |
| NULL, true, UID_INVALID, |
| &l->manager->polkit_registry, error); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return 1; /* Polkit will call us back */ |
| |
| if (l->dns_over_tls_mode != mode) { |
| l->dns_over_tls_mode = mode; |
| (void) link_dirty(l); |
| } |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Link *l = userdata; |
| const char *dnssec; |
| DnssecMode mode; |
| int r; |
| |
| assert(message); |
| assert(l); |
| |
| r = verify_managed_link(l, error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "s", &dnssec); |
| if (r < 0) |
| return r; |
| |
| if (isempty(dnssec)) |
| mode = _DNSSEC_MODE_INVALID; |
| else { |
| mode = dnssec_mode_from_string(dnssec); |
| if (mode < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec); |
| } |
| |
| r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
| "org.freedesktop.network1.set-dnssec", |
| NULL, true, UID_INVALID, |
| &l->manager->polkit_registry, error); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return 1; /* Polkit will call us back */ |
| |
| if (l->dnssec_mode != mode) { |
| l->dnssec_mode = mode; |
| (void) link_dirty(l); |
| } |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_set_free_free_ Set *ns = NULL; |
| _cleanup_strv_free_ char **ntas = NULL; |
| Link *l = userdata; |
| int r; |
| char **i; |
| |
| assert(message); |
| assert(l); |
| |
| r = verify_managed_link(l, error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read_strv(message, &ntas); |
| if (r < 0) |
| return r; |
| |
| STRV_FOREACH(i, ntas) { |
| r = dns_name_is_valid(*i); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid negative trust anchor domain: %s", *i); |
| } |
| |
| ns = set_new(&dns_name_hash_ops); |
| if (!ns) |
| return -ENOMEM; |
| |
| STRV_FOREACH(i, ntas) { |
| r = set_put_strdup(ns, *i); |
| if (r < 0) |
| return r; |
| } |
| |
| r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
| "org.freedesktop.network1.set-dnssec-negative-trust-anchors", |
| NULL, true, UID_INVALID, |
| &l->manager->polkit_registry, error); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return 1; /* Polkit will call us back */ |
| |
| set_free_free(l->dnssec_negative_trust_anchors); |
| l->dnssec_negative_trust_anchors = TAKE_PTR(ns); |
| |
| (void) link_dirty(l); |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| int bus_link_method_revert_ntp(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Link *l = userdata; |
| int r; |
| |
| assert(message); |
| assert(l); |
| |
| r = verify_managed_link(l, error); |
| if (r < 0) |
| return r; |
| |
| r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
| "org.freedesktop.network1.revert-ntp", |
| NULL, true, UID_INVALID, |
| &l->manager->polkit_registry, error); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return 1; /* Polkit will call us back */ |
| |
| link_ntp_settings_clear(l); |
| (void) link_dirty(l); |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| int bus_link_method_revert_dns(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Link *l = userdata; |
| int r; |
| |
| assert(message); |
| assert(l); |
| |
| r = verify_managed_link(l, error); |
| if (r < 0) |
| return r; |
| |
| r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
| "org.freedesktop.network1.revert-dns", |
| NULL, true, UID_INVALID, |
| &l->manager->polkit_registry, error); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return 1; /* Polkit will call us back */ |
| |
| link_dns_settings_clear(l); |
| (void) link_dirty(l); |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| const sd_bus_vtable link_vtable[] = { |
| SD_BUS_VTABLE_START(0), |
| |
| SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Link, operstate), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
| SD_BUS_PROPERTY("CarrierState", "s", property_get_carrier_state, offsetof(Link, carrier_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
| SD_BUS_PROPERTY("AddressState", "s", property_get_address_state, offsetof(Link, address_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
| SD_BUS_PROPERTY("AdministrativeState", "s", property_get_administrative_state, offsetof(Link, state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
| SD_BUS_PROPERTY("BitRates", "(tt)", property_get_bit_rates, 0, 0), |
| |
| SD_BUS_METHOD("SetNTP", "as", NULL, bus_link_method_set_ntp_servers, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetDNS", "a(iay)", NULL, bus_link_method_set_dns_servers, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetDomains", "a(sb)", NULL, bus_link_method_set_domains, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetDefaultRoute", "b", NULL, bus_link_method_set_default_route, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetLLMNR", "s", NULL, bus_link_method_set_llmnr, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetMulticastDNS", "s", NULL, bus_link_method_set_mdns, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetDNSOverTLS", "s", NULL, bus_link_method_set_dns_over_tls, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetDNSSEC", "s", NULL, bus_link_method_set_dnssec, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("SetDNSSECNegativeTrustAnchors", "as", NULL, bus_link_method_set_dnssec_negative_trust_anchors, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("RevertNTP", NULL, NULL, bus_link_method_revert_ntp, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("RevertDNS", NULL, NULL, bus_link_method_revert_dns, SD_BUS_VTABLE_UNPRIVILEGED), |
| |
| SD_BUS_VTABLE_END |
| }; |
| |
| char *link_bus_path(Link *link) { |
| _cleanup_free_ char *ifindex = NULL; |
| char *p; |
| int r; |
| |
| assert(link); |
| assert(link->ifindex > 0); |
| |
| if (asprintf(&ifindex, "%d", link->ifindex) < 0) |
| return NULL; |
| |
| r = sd_bus_path_encode("/org/freedesktop/network1/link", ifindex, &p); |
| if (r < 0) |
| return NULL; |
| |
| return p; |
| } |
| |
| int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
| _cleanup_strv_free_ char **l = NULL; |
| Manager *m = userdata; |
| unsigned c = 0; |
| Link *link; |
| Iterator i; |
| |
| assert(bus); |
| assert(path); |
| assert(m); |
| assert(nodes); |
| |
| l = new0(char*, hashmap_size(m->links) + 1); |
| if (!l) |
| return -ENOMEM; |
| |
| HASHMAP_FOREACH(link, m->links, i) { |
| char *p; |
| |
| p = link_bus_path(link); |
| if (!p) |
| return -ENOMEM; |
| |
| l[c++] = p; |
| } |
| |
| l[c] = NULL; |
| *nodes = TAKE_PTR(l); |
| |
| return 1; |
| } |
| |
| int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
| _cleanup_free_ char *identifier = NULL; |
| Manager *m = userdata; |
| Link *link; |
| int ifindex, r; |
| |
| assert(bus); |
| assert(path); |
| assert(interface); |
| assert(m); |
| assert(found); |
| |
| r = sd_bus_path_decode(path, "/org/freedesktop/network1/link", &identifier); |
| if (r <= 0) |
| return 0; |
| |
| r = parse_ifindex(identifier, &ifindex); |
| if (r < 0) |
| return 0; |
| |
| r = link_get(m, ifindex, &link); |
| if (r < 0) |
| return 0; |
| |
| *found = link; |
| |
| return 1; |
| } |
| |
| int link_send_changed_strv(Link *link, char **properties) { |
| _cleanup_free_ char *p = NULL; |
| |
| assert(link); |
| assert(link->manager); |
| assert(properties); |
| |
| if (!link->manager->bus) |
| return 0; |
| |
| p = link_bus_path(link); |
| if (!p) |
| return -ENOMEM; |
| |
| return sd_bus_emit_properties_changed_strv( |
| link->manager->bus, |
| p, |
| "org.freedesktop.network1.Link", |
| properties); |
| } |
| |
| int link_send_changed(Link *link, const char *property, ...) { |
| char **properties; |
| |
| properties = strv_from_stdarg_alloca(property); |
| |
| return link_send_changed_strv(link, properties); |
| } |