Merge pull request #30284 from YHNdnzj/fstab-wantedby-defaultdeps

[thirdparty/systemd.git] / src / resolve / resolved-dnssd-bus.c

diff --git a/src/resolve/resolved-dnssd-bus.c b/src/resolve/resolved-dnssd-bus.c
index 1a70968dd1f9e41e6ca1d1e74438cc2c941a4b90..0ae24fbf02827e7c912f865a2b5e22a5d9195504 100644 (file)
--- a/src/resolve/resolved-dnssd-bus.c
+++ b/src/resolve/resolved-dnssd-bus.c
@@ -1,53 +1,39 @@
-/***
-  This file is part of systemd.
-
-  Copyright 2017 Dmitry Rozhkov
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 
 #include "alloc-util.h"
-#include "bus-util.h"
-#include "resolved-dnssd.h"
+#include "bus-polkit.h"
+#include "missing_capability.h"
 #include "resolved-dnssd-bus.h"
+#include "resolved-dnssd.h"
 #include "resolved-link.h"
+#include "resolved-manager.h"
 #include "strv.h"
 #include "user-util.h"
 
 int bus_dnssd_method_unregister(sd_bus_message *message, void *userdata, sd_bus_error *error) {
-        DnssdService *s = userdata;
-        DnssdTxtData *txt_data;
+        DnssdService *s = ASSERT_PTR(userdata);
         Manager *m;
-        Iterator i;
         Link *l;
         int r;
 
         assert(message);
-        assert(s);
 
         m = s->manager;
 
-        r = bus_verify_polkit_async(message, CAP_SYS_ADMIN,
-                                    "org.freedesktop.resolve1.unregister-service",
-                                    NULL, false, s->originator,
-                                    &m->polkit_registry, error);
+        r = bus_verify_polkit_async_full(
+                        message,
+                        "org.freedesktop.resolve1.unregister-service",
+                        /* details= */ NULL,
+                        /* interactive= */ false,
+                        /* good_user= */ s->originator,
+                        &m->polkit_registry,
+                        error);
         if (r < 0)
                 return r;
         if (r == 0)
                 return 1; /* Polkit will call us back */
 
-        HASHMAP_FOREACH(l, m->links, i) {
+        HASHMAP_FOREACH(l, m->links) {
                 if (l->mdns_ipv4_scope) {
                         r = dns_scope_announce(l->mdns_ipv4_scope, true);
                         if (r < 0)
@@ -78,18 +64,9 @@ int bus_dnssd_method_unregister(sd_bus_message *message, void *userdata, sd_bus_
         return sd_bus_reply_method_return(message, NULL);
 }
 
-const sd_bus_vtable dnssd_vtable[] = {
-        SD_BUS_VTABLE_START(0),
-
-        SD_BUS_METHOD("Unregister", NULL, NULL, bus_dnssd_method_unregister, SD_BUS_VTABLE_UNPRIVILEGED),
-        SD_BUS_SIGNAL("Conflicted", NULL, 0),
-
-        SD_BUS_VTABLE_END
-};
-
-int dnssd_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
+static int dnssd_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
         _cleanup_free_ char *name = NULL;
-        Manager *m = userdata;
+        Manager *m = ASSERT_PTR(userdata);
         DnssdService *service;
         int r;
 
@@ -97,7 +74,6 @@ int dnssd_object_find(sd_bus *bus, const char *path, const char *interface, void
         assert(path);
         assert(interface);
         assert(found);
-        assert(m);
 
         r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/dnssd", &name);
         if (r <= 0)
@@ -111,24 +87,22 @@ int dnssd_object_find(sd_bus *bus, const char *path, const char *interface, void
         return 1;
 }
 
-int dnssd_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
+static int dnssd_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;
+        Manager *m = ASSERT_PTR(userdata);
         DnssdService *service;
-        Iterator i;
         unsigned c = 0;
         int r;
 
         assert(bus);
         assert(path);
-        assert(m);
         assert(nodes);
 
         l = new0(char*, hashmap_size(m->dnssd_services) + 1);
         if (!l)
                 return -ENOMEM;
 
-        HASHMAP_FOREACH(service, m->dnssd_services, i) {
+        HASHMAP_FOREACH(service, m->dnssd_services) {
                 char *p;
 
                 r = sd_bus_path_encode("/org/freedesktop/resolve1/dnssd", service->name, &p);
@@ -143,3 +117,19 @@ int dnssd_node_enumerator(sd_bus *bus, const char *path, void *userdata, char **
 
         return 1;
 }
+
+static const sd_bus_vtable dnssd_vtable[] = {
+        SD_BUS_VTABLE_START(0),
+
+        SD_BUS_METHOD("Unregister", NULL, NULL, bus_dnssd_method_unregister, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_SIGNAL("Conflicted", NULL, 0),
+
+        SD_BUS_VTABLE_END
+};
+
+const BusObjectImplementation dnssd_object = {
+        "/org/freedesktop/resolve1/dnssd",
+        "org.freedesktop.resolve1.DnssdService",
+        .fallback_vtables = BUS_FALLBACK_VTABLES({dnssd_vtable, dnssd_object_find}),
+        .node_enumerator = dnssd_node_enumerator,
+};