816 lines
26 KiB
C
816 lines
26 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include <net/if.h>
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#include <netinet/in.h>
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#include <sys/capability.h>
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#include "alloc-util.h"
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#include "bus-common-errors.h"
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#include "bus-get-properties.h"
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#include "bus-message-util.h"
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#include "bus-polkit.h"
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#include "dns-domain.h"
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#include "networkd-link-bus.h"
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#include "networkd-link.h"
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#include "networkd-manager.h"
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#include "parse-util.h"
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#include "resolve-util.h"
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#include "socket-netlink.h"
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#include "strv.h"
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#include "user-util.h"
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BUS_DEFINE_PROPERTY_GET_ENUM(property_get_operational_state, link_operstate, LinkOperationalState);
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BUS_DEFINE_PROPERTY_GET_ENUM(property_get_carrier_state, link_carrier_state, LinkCarrierState);
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BUS_DEFINE_PROPERTY_GET_ENUM(property_get_address_state, link_address_state, LinkAddressState);
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static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_administrative_state, link_state, LinkState);
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static int property_get_bit_rates(
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sd_bus *bus,
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const char *path,
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const char *interface,
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const char *property,
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sd_bus_message *reply,
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void *userdata,
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sd_bus_error *error) {
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Link *link = userdata;
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Manager *manager;
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double interval_sec;
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uint64_t tx, rx;
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assert(bus);
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assert(reply);
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assert(userdata);
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manager = link->manager;
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if (!manager->use_speed_meter ||
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manager->speed_meter_usec_old == 0 ||
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!link->stats_updated)
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return sd_bus_message_append(reply, "(tt)", UINT64_MAX, UINT64_MAX);
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assert(manager->speed_meter_usec_new > manager->speed_meter_usec_old);
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interval_sec = (manager->speed_meter_usec_new - manager->speed_meter_usec_old) / USEC_PER_SEC;
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if (link->stats_new.tx_bytes > link->stats_old.tx_bytes)
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tx = (uint64_t) ((link->stats_new.tx_bytes - link->stats_old.tx_bytes) / interval_sec);
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else
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tx = (uint64_t) ((UINT64_MAX - (link->stats_old.tx_bytes - link->stats_new.tx_bytes)) / interval_sec);
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if (link->stats_new.rx_bytes > link->stats_old.rx_bytes)
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rx = (uint64_t) ((link->stats_new.rx_bytes - link->stats_old.rx_bytes) / interval_sec);
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else
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rx = (uint64_t) ((UINT64_MAX - (link->stats_old.rx_bytes - link->stats_new.rx_bytes)) / interval_sec);
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return sd_bus_message_append(reply, "(tt)", tx, rx);
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}
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static int verify_managed_link(Link *l, sd_bus_error *error) {
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assert(l);
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if (l->flags & IFF_LOOPBACK)
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return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->ifname);
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return 0;
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}
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int bus_link_method_set_ntp_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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_cleanup_strv_free_ char **ntp = NULL;
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Link *l = userdata;
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int r;
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char **i;
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assert(message);
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assert(l);
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r = verify_managed_link(l, error);
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if (r < 0)
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return r;
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r = sd_bus_message_read_strv(message, &ntp);
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if (r < 0)
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return r;
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STRV_FOREACH(i, ntp) {
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r = dns_name_is_valid_or_address(*i);
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if (r < 0)
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return r;
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if (r == 0)
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return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid NTP server: %s", *i);
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}
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r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
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"org.freedesktop.network1.set-ntp-servers",
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NULL, true, UID_INVALID,
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&l->manager->polkit_registry, error);
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if (r < 0)
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return r;
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if (r == 0)
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return 1; /* Polkit will call us back */
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strv_free_and_replace(l->ntp, ntp);
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link_dirty(l);
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r = link_save_and_clean(l);
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if (r < 0)
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return r;
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return sd_bus_reply_method_return(message, NULL);
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}
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static int bus_link_method_set_dns_servers_internal(sd_bus_message *message, void *userdata, sd_bus_error *error, bool extended) {
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struct in_addr_full **dns;
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Link *l = userdata;
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size_t n;
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int r;
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assert(message);
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assert(l);
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r = verify_managed_link(l, error);
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if (r < 0)
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return r;
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r = bus_message_read_dns_servers(message, error, extended, &dns, &n);
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if (r < 0)
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return r;
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r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
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"org.freedesktop.network1.set-dns-servers",
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NULL, true, UID_INVALID,
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&l->manager->polkit_registry, error);
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if (r < 0)
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goto finalize;
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if (r == 0) {
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r = 1; /* Polkit will call us back */
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goto finalize;
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}
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if (l->n_dns != (unsigned) -1)
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for (unsigned i = 0; i < l->n_dns; i++)
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in_addr_full_free(l->dns[i]);
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free_and_replace(l->dns, dns);
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l->n_dns = n;
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link_dirty(l);
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r = link_save_and_clean(l);
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if (r < 0)
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return r;
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return sd_bus_reply_method_return(message, NULL);
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finalize:
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for (size_t i = 0; i < n; i++)
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in_addr_full_free(dns[i]);
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free(dns);
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return r;
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}
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int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return bus_link_method_set_dns_servers_internal(message, userdata, error, false);
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}
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int bus_link_method_set_dns_servers_ex(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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return bus_link_method_set_dns_servers_internal(message, userdata, error, true);
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}
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int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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_cleanup_(ordered_set_freep) OrderedSet *search_domains = NULL, *route_domains = NULL;
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Link *l = userdata;
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int r;
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assert(message);
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assert(l);
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r = verify_managed_link(l, error);
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if (r < 0)
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return r;
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r = sd_bus_message_enter_container(message, 'a', "(sb)");
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if (r < 0)
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return r;
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for (;;) {
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_cleanup_free_ char *str = NULL;
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OrderedSet **domains;
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const char *name;
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int route_only;
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r = sd_bus_message_read(message, "(sb)", &name, &route_only);
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if (r < 0)
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return r;
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if (r == 0)
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break;
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r = dns_name_is_valid(name);
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if (r < 0)
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return r;
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if (r == 0)
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return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name);
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if (!route_only && dns_name_is_root(name))
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return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain");
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r = dns_name_normalize(name, 0, &str);
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if (r < 0)
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return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name);
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domains = route_only ? &route_domains : &search_domains;
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r = ordered_set_ensure_allocated(domains, &string_hash_ops);
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if (r < 0)
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return r;
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r = ordered_set_put(*domains, str);
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if (r < 0)
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return r;
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TAKE_PTR(str);
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}
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r = sd_bus_message_exit_container(message);
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if (r < 0)
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return r;
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r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
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"org.freedesktop.network1.set-domains",
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NULL, true, UID_INVALID,
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&l->manager->polkit_registry, error);
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if (r < 0)
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return r;
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if (r == 0)
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return 1; /* Polkit will call us back */
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ordered_set_free_free(l->search_domains);
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ordered_set_free_free(l->route_domains);
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l->search_domains = TAKE_PTR(search_domains);
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l->route_domains = TAKE_PTR(route_domains);
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link_dirty(l);
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r = link_save_and_clean(l);
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if (r < 0)
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return r;
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return sd_bus_reply_method_return(message, NULL);
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}
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int bus_link_method_set_default_route(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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Link *l = userdata;
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int r, b;
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assert(message);
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assert(l);
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r = verify_managed_link(l, error);
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if (r < 0)
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return r;
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r = sd_bus_message_read(message, "b", &b);
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if (r < 0)
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return r;
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r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
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"org.freedesktop.network1.set-default-route",
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NULL, true, UID_INVALID,
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&l->manager->polkit_registry, error);
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if (r < 0)
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return r;
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if (r == 0)
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return 1; /* Polkit will call us back */
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if (l->dns_default_route != b) {
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l->dns_default_route = b;
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link_dirty(l);
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r = link_save_and_clean(l);
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if (r < 0)
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return r;
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}
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return sd_bus_reply_method_return(message, NULL);
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}
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int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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Link *l = userdata;
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ResolveSupport mode;
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const char *llmnr;
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int r;
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assert(message);
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assert(l);
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r = verify_managed_link(l, error);
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if (r < 0)
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return r;
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r = sd_bus_message_read(message, "s", &llmnr);
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if (r < 0)
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return r;
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if (isempty(llmnr))
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mode = RESOLVE_SUPPORT_YES;
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else {
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mode = resolve_support_from_string(llmnr);
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if (mode < 0)
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return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr);
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}
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r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
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"org.freedesktop.network1.set-llmnr",
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NULL, true, UID_INVALID,
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&l->manager->polkit_registry, error);
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if (r < 0)
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return r;
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if (r == 0)
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return 1; /* Polkit will call us back */
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if (l->llmnr != mode) {
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l->llmnr = mode;
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link_dirty(l);
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r = link_save_and_clean(l);
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if (r < 0)
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return r;
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}
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return sd_bus_reply_method_return(message, NULL);
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}
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int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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Link *l = userdata;
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ResolveSupport mode;
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const char *mdns;
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int r;
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assert(message);
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assert(l);
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r = verify_managed_link(l, error);
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if (r < 0)
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return r;
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r = sd_bus_message_read(message, "s", &mdns);
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if (r < 0)
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return r;
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if (isempty(mdns))
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mode = RESOLVE_SUPPORT_NO;
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else {
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mode = resolve_support_from_string(mdns);
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if (mode < 0)
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return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid MulticastDNS setting: %s", mdns);
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}
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r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
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"org.freedesktop.network1.set-mdns",
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NULL, true, UID_INVALID,
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&l->manager->polkit_registry, error);
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if (r < 0)
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return r;
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if (r == 0)
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return 1; /* Polkit will call us back */
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if (l->mdns != mode) {
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l->mdns = mode;
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link_dirty(l);
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r = link_save_and_clean(l);
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if (r < 0)
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return r;
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}
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return sd_bus_reply_method_return(message, NULL);
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}
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int bus_link_method_set_dns_over_tls(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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Link *l = userdata;
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const char *dns_over_tls;
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DnsOverTlsMode mode;
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int r;
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assert(message);
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assert(l);
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r = verify_managed_link(l, error);
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if (r < 0)
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return r;
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r = sd_bus_message_read(message, "s", &dns_over_tls);
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if (r < 0)
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return r;
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if (isempty(dns_over_tls))
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mode = _DNS_OVER_TLS_MODE_INVALID;
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else {
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mode = dns_over_tls_mode_from_string(dns_over_tls);
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if (mode < 0)
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return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSOverTLS setting: %s", dns_over_tls);
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}
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r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
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"org.freedesktop.network1.set-dns-over-tls",
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NULL, true, UID_INVALID,
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&l->manager->polkit_registry, error);
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if (r < 0)
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return r;
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if (r == 0)
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return 1; /* Polkit will call us back */
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if (l->dns_over_tls_mode != mode) {
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l->dns_over_tls_mode = mode;
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link_dirty(l);
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r = link_save_and_clean(l);
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if (r < 0)
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return r;
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}
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return sd_bus_reply_method_return(message, NULL);
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}
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int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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Link *l = userdata;
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const char *dnssec;
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DnssecMode mode;
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int r;
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assert(message);
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assert(l);
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r = verify_managed_link(l, error);
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if (r < 0)
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return r;
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r = sd_bus_message_read(message, "s", &dnssec);
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if (r < 0)
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return r;
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if (isempty(dnssec))
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mode = _DNSSEC_MODE_INVALID;
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else {
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mode = dnssec_mode_from_string(dnssec);
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if (mode < 0)
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return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec);
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}
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r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
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"org.freedesktop.network1.set-dnssec",
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NULL, true, UID_INVALID,
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&l->manager->polkit_registry, error);
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if (r < 0)
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return r;
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if (r == 0)
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return 1; /* Polkit will call us back */
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if (l->dnssec_mode != mode) {
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l->dnssec_mode = mode;
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link_dirty(l);
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r = link_save_and_clean(l);
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if (r < 0)
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return r;
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}
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return sd_bus_reply_method_return(message, NULL);
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}
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int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
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_cleanup_set_free_free_ Set *ns = NULL;
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_cleanup_strv_free_ char **ntas = NULL;
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Link *l = userdata;
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int r;
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char **i;
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assert(message);
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assert(l);
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r = verify_managed_link(l, error);
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if (r < 0)
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return r;
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r = sd_bus_message_read_strv(message, &ntas);
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if (r < 0)
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return r;
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STRV_FOREACH(i, ntas) {
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r = dns_name_is_valid(*i);
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if (r < 0)
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return r;
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if (r == 0)
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return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid negative trust anchor domain: %s", *i);
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}
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ns = set_new(&dns_name_hash_ops);
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if (!ns)
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return -ENOMEM;
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STRV_FOREACH(i, ntas) {
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r = set_put_strdup(&ns, *i);
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if (r < 0)
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return r;
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}
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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);
|
|
|
|
link_dirty(l);
|
|
r = link_save_and_clean(l);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
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);
|
|
|
|
link_dirty(l);
|
|
r = link_save_and_clean(l);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
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);
|
|
|
|
link_dirty(l);
|
|
r = link_save_and_clean(l);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
return sd_bus_reply_method_return(message, NULL);
|
|
}
|
|
|
|
int bus_link_method_force_renew(sd_bus_message *message, void *userdata, sd_bus_error *error) {
|
|
Link *l = userdata;
|
|
int r;
|
|
|
|
assert(l);
|
|
|
|
if (!l->network)
|
|
return sd_bus_error_setf(error, BUS_ERROR_UNMANAGED_INTERFACE,
|
|
"Interface %s is not managed by systemd-networkd",
|
|
l->ifname);
|
|
|
|
r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
|
|
"org.freedesktop.network1.forcerenew",
|
|
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->dhcp_server) {
|
|
r = sd_dhcp_server_forcerenew(l->dhcp_server);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
return sd_bus_reply_method_return(message, NULL);
|
|
}
|
|
|
|
int bus_link_method_renew(sd_bus_message *message, void *userdata, sd_bus_error *error) {
|
|
Link *l = userdata;
|
|
int r;
|
|
|
|
assert(l);
|
|
|
|
if (!l->network)
|
|
return sd_bus_error_setf(error, BUS_ERROR_UNMANAGED_INTERFACE,
|
|
"Interface %s is not managed by systemd-networkd",
|
|
l->ifname);
|
|
|
|
r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
|
|
"org.freedesktop.network1.renew",
|
|
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->dhcp_client) {
|
|
r = sd_dhcp_client_send_renew(l->dhcp_client);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
return sd_bus_reply_method_return(message, NULL);
|
|
}
|
|
|
|
int bus_link_method_reconfigure(sd_bus_message *message, void *userdata, sd_bus_error *error) {
|
|
Link *l = userdata;
|
|
int r;
|
|
|
|
assert(message);
|
|
assert(l);
|
|
|
|
r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
|
|
"org.freedesktop.network1.reconfigure",
|
|
NULL, true, UID_INVALID,
|
|
&l->manager->polkit_registry, error);
|
|
if (r < 0)
|
|
return r;
|
|
if (r == 0)
|
|
return 1; /* Polkit will call us back */
|
|
|
|
r = link_reconfigure(l, true);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
link_set_state(l, LINK_STATE_INITIALIZED);
|
|
r = link_save_and_clean(l);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
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("SetDNSEx", "a(iayqs)", NULL, bus_link_method_set_dns_servers_ex, 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_METHOD("Renew", NULL, NULL, bus_link_method_renew, SD_BUS_VTABLE_UNPRIVILEGED),
|
|
SD_BUS_METHOD("ForceRenew", NULL, NULL, bus_link_method_force_renew, SD_BUS_VTABLE_UNPRIVILEGED),
|
|
SD_BUS_METHOD("Reconfigure", NULL, NULL, bus_link_method_reconfigure, 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;
|
|
|
|
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) {
|
|
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;
|
|
|
|
ifindex = parse_ifindex(identifier);
|
|
if (ifindex < 0)
|
|
return 0;
|
|
|
|
r = link_get(m, ifindex, &link);
|
|
if (r < 0)
|
|
return 0;
|
|
|
|
if (streq(interface, "org.freedesktop.network1.DHCPServer") && !link->dhcp_server)
|
|
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);
|
|
}
|