Merge pull request #13457 from keszybz/resolved-issue

7 files changed, 251 insertions, 51 deletions

diff --git a/src/libsystemd/sd-bus/sd-bus.c b/src/libsystemd/sd-bus/sd-bus.c
index 303dcea106..026ac8cb94 100644
--- a/src/libsystemd/sd-bus/sd-bus.c
+++ b/src/libsystemd/sd-bus/sd-bus.c
@@ -1354,8 +1354,7 @@ _public_ int sd_bus_open_user_with_description(sd_bus **ret, const char *descrip
         b->bus_client = true;
         b->is_user = true;
 
-        /* We don't do any per-method access control on the user
-         * bus. */
+        /* We don't do any per-method access control on the user bus. */
         b->trusted = true;
         b->is_local = true;
 
diff --git a/src/libsystemd/sd-bus/test-bus-vtable.c b/src/libsystemd/sd-bus/test-bus-vtable.c
index d69ca6ac97..b6350027dd 100644
--- a/src/libsystemd/sd-bus/test-bus-vtable.c
+++ b/src/libsystemd/sd-bus/test-bus-vtable.c
@@ -19,9 +19,24 @@
 
 #define DEFAULT_BUS_PATH "unix:path=/run/dbus/system_bus_socket"
 
+static struct context c = {};
+static int happy_finder_object = 0;
+
+static int happy_finder(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
+        assert(userdata);
+        assert(userdata == &c);
+
+#ifndef __cplusplus
+        log_info("%s called", __func__);
+#endif
+
+        happy_finder_object++;
+        *found = &happy_finder_object;
+        return 1; /* found */
+}
+
 static void test_vtable(void) {
         sd_bus *bus = NULL;
-        struct context c = {};
         int r;
 
         assert(sd_bus_new(&bus) >= 0);
@@ -32,16 +47,23 @@ static void test_vtable(void) {
         assert(sd_bus_add_object_vtable(bus, NULL, "/foo", "org.freedesktop.systemd.testVtable221",
                                         (const sd_bus_vtable *)vtable_format_221, &c) >= 0);
 
+        assert(sd_bus_add_fallback_vtable(bus, NULL, "/fallback", "org.freedesktop.systemd.testVtable2", test_vtable_2, happy_finder, &c) >= 0);
+
         assert(sd_bus_set_address(bus, DEFAULT_BUS_PATH) >= 0);
         r = sd_bus_start(bus);
         assert(r == 0 ||     /* success */
                r == -ENOENT  /* dbus is inactive */ );
 
 #ifndef __cplusplus
-        _cleanup_free_ char *s = NULL;
+        _cleanup_free_ char *s, *s2;
 
         assert_se(introspect_path(bus, "/foo", NULL, false, true, NULL, &s, NULL) == 1);
         fputs(s, stdout);
+
+        assert_se(introspect_path(bus, "/fallback", NULL, false, true, NULL, &s2, NULL) == 1);
+        fputs(s2, stdout);
+
+        assert_se(happy_finder_object == 1);
 #endif
 
         sd_bus_unref(bus);
diff --git a/src/libsystemd/sd-bus/test-vtable-data.h b/src/libsystemd/sd-bus/test-vtable-data.h
index 333dbd5b12..bc89893814 100644
--- a/src/libsystemd/sd-bus/test-vtable-data.h
+++ b/src/libsystemd/sd-bus/test-vtable-data.h
@@ -42,7 +42,7 @@ static const sd_bus_vtable test_vtable_1[] = {
 
 static const sd_bus_vtable test_vtable_2[] = {
         SD_BUS_VTABLE_START(0),
-        SD_BUS_METHOD("AlterSomething", "s", "s", handler, 0),
+        SD_BUS_METHOD("AlterSomething", "s", "s", handler, SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_METHOD("Exit", "", "", handler, 0),
         SD_BUS_METHOD_WITH_OFFSET("AlterSomething2", "s", "s", handler, 200, 0),
         SD_BUS_METHOD_WITH_OFFSET("Exit2", "", "", handler, 200, 0),
diff --git a/src/resolve/org.freedesktop.resolve1.policy b/src/resolve/org.freedesktop.resolve1.policy
index b65ba3e56a..592c4eb8b0 100644
--- a/src/resolve/org.freedesktop.resolve1.policy
+++ b/src/resolve/org.freedesktop.resolve1.policy
@@ -40,4 +40,103 @@
                 <annotate key="org.freedesktop.policykit.owner">unix-user:systemd-resolve</annotate>
         </action>
 
+        <action id="org.freedesktop.resolve1.set-dns-servers">
+                <description gettext-domain="systemd">Set DNS servers</description>
+                <message gettext-domain="systemd">Authentication is required to set DNS servers.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+                <annotate key="org.freedesktop.policykit.owner">unix-user:systemd-resolve</annotate>
+        </action>
+
+        <action id="org.freedesktop.resolve1.set-domains">
+                <description gettext-domain="systemd">Set domains</description>
+                <message gettext-domain="systemd">Authentication is required to set domains.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+                <annotate key="org.freedesktop.policykit.owner">unix-user:systemd-resolve</annotate>
+        </action>
+
+        <action id="org.freedesktop.resolve1.set-default-route">
+                <description gettext-domain="systemd">Set default route</description>
+                <message gettext-domain="systemd">Authentication is required to set default route.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+                <annotate key="org.freedesktop.policykit.owner">unix-user:systemd-resolve</annotate>
+        </action>
+
+        <action id="org.freedesktop.resolve1.set-llmnr">
+                <description gettext-domain="systemd">Enable/disable LLMNR</description>
+                <message gettext-domain="systemd">Authentication is required to enable or disable LLMNR.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+                <annotate key="org.freedesktop.policykit.owner">unix-user:systemd-resolve</annotate>
+        </action>
+
+        <action id="org.freedesktop.resolve1.set-mdns">
+                <description gettext-domain="systemd">Enable/disable multicast DNS</description>
+                <message gettext-domain="systemd">Authentication is required to enable or disable multicast DNS.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+                <annotate key="org.freedesktop.policykit.owner">unix-user:systemd-resolve</annotate>
+        </action>
+
+        <action id="org.freedesktop.resolve1.set-dns-over-tls">
+                <description gettext-domain="systemd">Enable/disable DNS over TLS</description>
+                <message gettext-domain="systemd">Authentication is required to enable or disable DNS over TLS.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+                <annotate key="org.freedesktop.policykit.owner">unix-user:systemd-resolve</annotate>
+        </action>
+
+        <action id="org.freedesktop.resolve1.set-dnssec">
+                <description gettext-domain="systemd">Enable/disable DNSSEC</description>
+                <message gettext-domain="systemd">Authentication is required to enable or disable DNSSEC.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+                <annotate key="org.freedesktop.policykit.owner">unix-user:systemd-resolve</annotate>
+        </action>
+
+        <action id="org.freedesktop.resolve1.set-dnssec-negative-trust-anchors">
+                <description gettext-domain="systemd">Set DNSSEC Negative Trust Anchors</description>
+                <message gettext-domain="systemd">Authentication is required to set DNSSEC Negative Trust Anchros.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+                <annotate key="org.freedesktop.policykit.owner">unix-user:systemd-resolve</annotate>
+        </action>
+
+        <action id="org.freedesktop.resolve1.revert">
+                <description gettext-domain="systemd">Revert name resolution settings</description>
+                <message gettext-domain="systemd">Authentication is required to revert name resolution settings.</message>
+                <defaults>
+                        <allow_any>auth_admin</allow_any>
+                        <allow_inactive>auth_admin</allow_inactive>
+                        <allow_active>auth_admin_keep</allow_active>
+                </defaults>
+                <annotate key="org.freedesktop.policykit.owner">unix-user:systemd-resolve</annotate>
+        </action>
+
 </policyconfig>
diff --git a/src/resolve/resolved-bus.c b/src/resolve/resolved-bus.c
index 4fc281e80a..db0f8381ef 100644
--- a/src/resolve/resolved-bus.c
+++ b/src/resolve/resolved-bus.c
@@ -1638,15 +1638,6 @@ static int bus_method_register_service(sd_bus_message *message, void *userdata,
         if (m->mdns_support != RESOLVE_SUPPORT_YES)
                 return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Support for MulticastDNS is disabled");
 
-        r = bus_verify_polkit_async(message, CAP_SYS_ADMIN,
-                                    "org.freedesktop.resolve1.register-service",
-                                    NULL, false, UID_INVALID,
-                                    &m->polkit_registry, error);
-        if (r < 0)
-                return r;
-        if (r == 0)
-                return 1; /* Polkit will call us back */
-
         service = new0(DnssdService, 1);
         if (!service)
                 return log_oom();
@@ -1771,6 +1762,15 @@ static int bus_method_register_service(sd_bus_message *message, void *userdata,
         if (r < 0)
                 return r;
 
+        r = bus_verify_polkit_async(message, CAP_SYS_ADMIN,
+                                    "org.freedesktop.resolve1.register-service",
+                                    NULL, false, UID_INVALID,
+                                    &m->polkit_registry, error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Polkit will call us back */
+
         r = hashmap_ensure_allocated(&m->dnssd_services, &string_hash_ops);
         if (r < 0)
                 return r;
@@ -1854,19 +1854,19 @@ static const sd_bus_vtable resolve_vtable[] = {
         SD_BUS_METHOD("ResolveAddress", "iiayt", "a(is)t", bus_method_resolve_address, SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_METHOD("ResolveRecord", "isqqt", "a(iqqay)t", bus_method_resolve_record, SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_METHOD("ResolveService", "isssit", "a(qqqsa(iiay)s)aayssst", bus_method_resolve_service, SD_BUS_VTABLE_UNPRIVILEGED),
-        SD_BUS_METHOD("ResetStatistics", NULL, NULL, bus_method_reset_statistics, 0),
-        SD_BUS_METHOD("FlushCaches", NULL, NULL, bus_method_flush_caches, 0),
-        SD_BUS_METHOD("ResetServerFeatures", NULL, NULL, bus_method_reset_server_features, 0),
+        SD_BUS_METHOD("ResetStatistics", NULL, NULL, bus_method_reset_statistics, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("FlushCaches", NULL, NULL, bus_method_flush_caches, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("ResetServerFeatures", NULL, NULL, bus_method_reset_server_features, SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_METHOD("GetLink", "i", "o", bus_method_get_link, SD_BUS_VTABLE_UNPRIVILEGED),
-        SD_BUS_METHOD("SetLinkDNS", "ia(iay)", NULL, bus_method_set_link_dns_servers, 0),
-        SD_BUS_METHOD("SetLinkDomains", "ia(sb)", NULL, bus_method_set_link_domains, 0),
-        SD_BUS_METHOD("SetLinkDefaultRoute", "ib", NULL, bus_method_set_link_default_route, 0),
-        SD_BUS_METHOD("SetLinkLLMNR", "is", NULL, bus_method_set_link_llmnr, 0),
-        SD_BUS_METHOD("SetLinkMulticastDNS", "is", NULL, bus_method_set_link_mdns, 0),
-        SD_BUS_METHOD("SetLinkDNSOverTLS", "is", NULL, bus_method_set_link_dns_over_tls, 0),
-        SD_BUS_METHOD("SetLinkDNSSEC", "is", NULL, bus_method_set_link_dnssec, 0),
-        SD_BUS_METHOD("SetLinkDNSSECNegativeTrustAnchors", "ias", NULL, bus_method_set_link_dnssec_negative_trust_anchors, 0),
-        SD_BUS_METHOD("RevertLink", "i", NULL, bus_method_revert_link, 0),
+        SD_BUS_METHOD("SetLinkDNS", "ia(iay)", NULL, bus_method_set_link_dns_servers, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("SetLinkDomains", "ia(sb)", NULL, bus_method_set_link_domains, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("SetLinkDefaultRoute", "ib", NULL, bus_method_set_link_default_route, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("SetLinkLLMNR", "is", NULL, bus_method_set_link_llmnr, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("SetLinkMulticastDNS", "is", NULL, bus_method_set_link_mdns, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("SetLinkDNSOverTLS", "is", NULL, bus_method_set_link_dns_over_tls, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("SetLinkDNSSEC", "is", NULL, bus_method_set_link_dnssec, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("SetLinkDNSSECNegativeTrustAnchors", "ias", NULL, bus_method_set_link_dnssec_negative_trust_anchors, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("RevertLink", "i", NULL, bus_method_revert_link, SD_BUS_VTABLE_UNPRIVILEGED),
 
         SD_BUS_METHOD("RegisterService", "sssqqqaa{say}", "o", bus_method_register_service, SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_METHOD("UnregisterService", "o", NULL, bus_method_unregister_service, SD_BUS_VTABLE_UNPRIVILEGED),
diff --git a/src/resolve/resolved-link-bus.c b/src/resolve/resolved-link-bus.c
index 81ef5ffaa4..b6c1476f5c 100644
--- a/src/resolve/resolved-link-bus.c
+++ b/src/resolve/resolved-link-bus.c
@@ -1,6 +1,8 @@
 /* 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"
@@ -11,6 +13,7 @@
 #include "resolved-link-bus.h"
 #include "resolved-resolv-conf.h"
 #include "strv.h"
+#include "user-util.h"
 
 static BUS_DEFINE_PROPERTY_GET(property_get_dnssec_supported, "b", Link, link_dnssec_supported);
 static BUS_DEFINE_PROPERTY_GET2(property_get_dnssec_mode, "s", Link, link_get_dnssec_mode, dnssec_mode_to_string);
@@ -262,6 +265,15 @@ int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_
         if (r < 0)
                 return r;
 
+        r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
+                                    "org.freedesktop.resolve1.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 */
+
         dns_server_mark_all(l->dns_servers);
 
         for (i = 0; i < n; i++) {
@@ -325,12 +337,21 @@ int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_
                         return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain");
         }
 
-        dns_search_domain_mark_all(l->search_domains);
-
         r = sd_bus_message_rewind(message, false);
         if (r < 0)
                 return r;
 
+        r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
+                                    "org.freedesktop.resolve1.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 */
+
+        dns_search_domain_mark_all(l->search_domains);
+
         for (;;) {
                 DnsSearchDomain *d;
                 const char *name;
@@ -388,6 +409,15 @@ int bus_link_method_set_default_route(sd_bus_message *message, void *userdata, s
         if (r < 0)
                 return r;
 
+        r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
+                                    "org.freedesktop.resolve1.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->default_route != b) {
                 l->default_route = b;
 
@@ -423,6 +453,15 @@ int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_er
                         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.resolve1.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 */
+
         l->llmnr_support = mode;
         link_allocate_scopes(l);
         link_add_rrs(l, false);
@@ -457,6 +496,15 @@ int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_err
                         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.resolve1.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 */
+
         l->mdns_support = mode;
         link_allocate_scopes(l);
         link_add_rrs(l, false);
@@ -491,6 +539,15 @@ int bus_link_method_set_dns_over_tls(sd_bus_message *message, void *userdata, sd
                         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.resolve1.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 */
+
         link_set_dns_over_tls_mode(l, mode);
 
         (void) link_save_user(l);
@@ -523,6 +580,15 @@ int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_e
                         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.resolve1.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 */
+
         link_set_dnssec_mode(l, mode);
 
         (void) link_save_user(l);
@@ -544,6 +610,10 @@ int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, v
         if (r < 0)
                 return r;
 
+        ns = set_new(&dns_name_hash_ops);
+        if (!ns)
+                return -ENOMEM;
+
         r = sd_bus_message_read_strv(message, &ntas);
         if (r < 0)
                 return r;
@@ -553,19 +623,23 @@ int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, v
                 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;
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
+                                                 "Invalid negative trust anchor domain: %s", *i);
 
-        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.resolve1.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);
 
@@ -585,6 +659,15 @@ int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error
         if (r < 0)
                 return r;
 
+        r = bus_verify_polkit_async(message, CAP_NET_ADMIN,
+                                    "org.freedesktop.resolve1.revert",
+                                    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_flush_settings(l);
         link_allocate_scopes(l);
         link_add_rrs(l, false);
@@ -610,15 +693,15 @@ const sd_bus_vtable link_vtable[] = {
         SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 0),
         SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported, 0, 0),
 
-        SD_BUS_METHOD("SetDNS", "a(iay)", NULL, bus_link_method_set_dns_servers, 0),
-        SD_BUS_METHOD("SetDomains", "a(sb)", NULL, bus_link_method_set_domains, 0),
-        SD_BUS_METHOD("SetDefaultRoute", "b", NULL, bus_link_method_set_default_route, 0),
-        SD_BUS_METHOD("SetLLMNR", "s", NULL, bus_link_method_set_llmnr, 0),
-        SD_BUS_METHOD("SetMulticastDNS", "s", NULL, bus_link_method_set_mdns, 0),
-        SD_BUS_METHOD("SetDNSOverTLS", "s", NULL, bus_link_method_set_dns_over_tls, 0),
-        SD_BUS_METHOD("SetDNSSEC", "s", NULL, bus_link_method_set_dnssec, 0),
-        SD_BUS_METHOD("SetDNSSECNegativeTrustAnchors", "as", NULL, bus_link_method_set_dnssec_negative_trust_anchors, 0),
-        SD_BUS_METHOD("Revert", NULL, NULL, bus_link_method_revert, 0),
+        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("Revert", NULL, NULL, bus_link_method_revert, SD_BUS_VTABLE_UNPRIVILEGED),
 
         SD_BUS_VTABLE_END
 };
diff --git a/src/shared/bus-util.c b/src/shared/bus-util.c
index 6af115e7aa..e9b0b8a99d 100644
--- a/src/shared/bus-util.c
+++ b/src/shared/bus-util.c
@@ -1681,7 +1681,8 @@ int bus_open_system_watch_bind_with_description(sd_bus **ret, const char *descri
 
         assert(ret);
 
-        /* Match like sd_bus_open_system(), but with the "watch_bind" feature and the Connected() signal turned on. */
+        /* Match like sd_bus_open_system(), but with the "watch_bind" feature and the Connected() signal
+         * turned on. */
 
         r = sd_bus_new(&bus);
         if (r < 0)
@@ -1705,10 +1706,6 @@ int bus_open_system_watch_bind_with_description(sd_bus **ret, const char *descri
         if (r < 0)
                 return r;
 
-        r = sd_bus_set_trusted(bus, true);
-        if (r < 0)
-                return r;
-
         r = sd_bus_negotiate_creds(bus, true, SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_EFFECTIVE_CAPS);
         if (r < 0)
                 return r;
@@ -1737,8 +1734,8 @@ int bus_reply_pair_array(sd_bus_message *m, char **l) {
 
         assert(m);
 
-        /* Reply to the specified message with a message containing a dictionary put together from the specified
-         * strv */
+        /* Reply to the specified message with a message containing a dictionary put together from the
+         * specified strv */
 
         r = sd_bus_message_new_method_return(m, &reply);
         if (r < 0)