1 files changed, 146 insertions, 0 deletions
diff --git a/src/resolve/resolved-dnssd-bus.c b/src/resolve/resolved-dnssd-bus.c
new file mode 100644
index 0000000000..c914e8f8d2
--- /dev/null
+++ b/src/resolve/resolved-dnssd-bus.c
@@ -0,0 +1,146 @@
+/***
+  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/>.
+***/
+
+#include "alloc-util.h"
+#include "bus-util.h"
+#include "resolved-dnssd.h"
+#include "resolved-dnssd-bus.h"
+#include "resolved-link.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;
+        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);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Polkit will call us back */
+
+        HASHMAP_FOREACH(l, m->links, i) {
+                if (l->mdns_ipv4_scope) {
+                        r = dns_scope_announce(l->mdns_ipv4_scope, true);
+                        if (r < 0)
+                                log_warning_errno(r, "Failed to send goodbye messages in IPv4 scope: %m");
+
+                        dns_zone_remove_rr(&l->mdns_ipv4_scope->zone, s->ptr_rr);
+                        dns_zone_remove_rr(&l->mdns_ipv4_scope->zone, s->srv_rr);
+                        LIST_FOREACH(items, txt_data, s->txt_data_items)
+                                dns_zone_remove_rr(&l->mdns_ipv4_scope->zone, txt_data->rr);
+                }
+
+                if (l->mdns_ipv6_scope) {
+                        r = dns_scope_announce(l->mdns_ipv6_scope, true);
+                        if (r < 0)
+                                log_warning_errno(r, "Failed to send goodbye messages in IPv6 scope: %m");
+
+                        dns_zone_remove_rr(&l->mdns_ipv6_scope->zone, s->ptr_rr);
+                        dns_zone_remove_rr(&l->mdns_ipv6_scope->zone, s->srv_rr);
+                        LIST_FOREACH(items, txt_data, s->txt_data_items)
+                                dns_zone_remove_rr(&l->mdns_ipv6_scope->zone, txt_data->rr);
+                }
+        }
+
+        dnssd_service_free(s);
+
+        manager_refresh_rrs(m);
+
+        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) {
+        _cleanup_free_ char *name = NULL;
+        Manager *m = userdata;
+        DnssdService *service;
+        int r;
+
+        assert(bus);
+        assert(path);
+        assert(interface);
+        assert(found);
+        assert(m);
+
+        r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/dnssd", &name);
+        if (r <= 0)
+                return 0;
+
+        service = hashmap_get(m->dnssd_services, name);
+        if (!service)
+                return 0;
+
+        *found = service;
+        return 1;
+}
+
+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;
+        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) {
+                char *p;
+
+                r = sd_bus_path_encode("/org/freedesktop/resolve1/dnssd", service->name, &p);
+                if (r < 0)
+                        return r;
+
+                l[c++] = p;
+        }
+
+        l[c] = NULL;
+        *nodes = l;
+        l = NULL;
+
+        return 1;
+}