1226 lines
44 KiB
C
1226 lines
44 KiB
C
/***
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This file is part of avahi.
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avahi is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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avahi is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with avahi; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <errno.h>
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#include <unistd.h>
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#include <assert.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <dbus/dbus.h>
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#include <avahi-common/dbus.h>
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#include <avahi-common/llist.h>
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#include "avahi-common/avahi-malloc.h"
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#include <avahi-common/dbus-watch-glue.h>
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#include <avahi-common/alternative.h>
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#include <avahi-common/error.h>
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#include <avahi-common/domain.h>
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#include <avahi-common/timeval.h>
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#include <avahi-core/log.h>
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#include <avahi-core/core.h>
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#include <avahi-core/lookup.h>
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#include <avahi-core/publish.h>
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#include "dbus-protocol.h"
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#include "dbus-util.h"
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#include "dbus-internal.h"
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#include "main.h"
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/* #define VALGRIND_WORKAROUND 1 */
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#define RECONNECT_MSEC 3000
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Server *server = NULL;
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static int dbus_connect(void);
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static void dbus_disconnect(void);
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static void client_free(Client *c) {
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assert(server);
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assert(c);
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while (c->entry_groups)
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avahi_dbus_entry_group_free(c->entry_groups);
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while (c->sync_host_name_resolvers)
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avahi_dbus_sync_host_name_resolver_free(c->sync_host_name_resolvers);
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while (c->async_host_name_resolvers)
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avahi_dbus_async_host_name_resolver_free(c->async_host_name_resolvers);
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while (c->sync_address_resolvers)
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avahi_dbus_sync_address_resolver_free(c->sync_address_resolvers);
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while (c->async_address_resolvers)
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avahi_dbus_async_address_resolver_free(c->async_address_resolvers);
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while (c->domain_browsers)
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avahi_dbus_domain_browser_free(c->domain_browsers);
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while (c->service_type_browsers)
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avahi_dbus_service_type_browser_free(c->service_type_browsers);
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while (c->service_browsers)
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avahi_dbus_service_browser_free(c->service_browsers);
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while (c->sync_service_resolvers)
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avahi_dbus_sync_service_resolver_free(c->sync_service_resolvers);
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while (c->async_service_resolvers)
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avahi_dbus_async_service_resolver_free(c->async_service_resolvers);
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while (c->record_browsers)
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avahi_dbus_record_browser_free(c->record_browsers);
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assert(c->n_objects == 0);
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avahi_free(c->name);
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AVAHI_LLIST_REMOVE(Client, clients, server->clients, c);
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avahi_free(c);
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assert(server->n_clients >= 1);
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server->n_clients --;
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}
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static Client *client_get(const char *name, int create) {
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Client *client;
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assert(server);
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assert(name);
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for (client = server->clients; client; client = client->clients_next)
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if (!strcmp(name, client->name))
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return client;
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if (!create)
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return NULL;
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if (server->n_clients >= server->n_clients_max)
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return NULL;
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/* If not existent yet, create a new entry */
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client = avahi_new(Client, 1);
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client->id = server->current_id++;
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client->name = avahi_strdup(name);
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client->current_id = 0;
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client->n_objects = 0;
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AVAHI_LLIST_HEAD_INIT(EntryGroupInfo, client->entry_groups);
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AVAHI_LLIST_HEAD_INIT(SyncHostNameResolverInfo, client->sync_host_name_resolvers);
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AVAHI_LLIST_HEAD_INIT(AsyncHostNameResolverInfo, client->async_host_name_resolvers);
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AVAHI_LLIST_HEAD_INIT(SyncAddressResolverInfo, client->sync_address_resolvers);
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AVAHI_LLIST_HEAD_INIT(AsyncAddressResolverInfo, client->async_address_resolvers);
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AVAHI_LLIST_HEAD_INIT(DomainBrowserInfo, client->domain_browsers);
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AVAHI_LLIST_HEAD_INIT(ServiceTypeBrowserInfo, client->service_type_browsers);
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AVAHI_LLIST_HEAD_INIT(ServiceBrowserInfo, client->service_browsers);
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AVAHI_LLIST_HEAD_INIT(SyncServiceResolverInfo, client->sync_service_resolvers);
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AVAHI_LLIST_HEAD_INIT(AsyncServiceResolverInfo, client->async_service_resolvers);
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AVAHI_LLIST_HEAD_INIT(RecordBrowserInfo, client->record_browsers);
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AVAHI_LLIST_PREPEND(Client, clients, server->clients, client);
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server->n_clients++;
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assert(server->n_clients > 0);
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return client;
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}
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static void reconnect_callback(AvahiTimeout *t, AVAHI_GCC_UNUSED void *userdata) {
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assert(!server->bus);
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if (dbus_connect() < 0) {
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struct timeval tv;
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avahi_log_debug(__FILE__": Connection failed, retrying in %ims...", RECONNECT_MSEC);
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avahi_elapse_time(&tv, RECONNECT_MSEC, 0);
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server->poll_api->timeout_update(t, &tv);
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} else {
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avahi_log_debug(__FILE__": Successfully reconnected.");
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server->poll_api->timeout_update(t, NULL);
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}
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}
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static DBusHandlerResult msg_signal_filter_impl(AVAHI_GCC_UNUSED DBusConnection *c, DBusMessage *m, AVAHI_GCC_UNUSED void *userdata) {
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DBusError error;
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dbus_error_init(&error);
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/* avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", */
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/* dbus_message_get_interface(m), */
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/* dbus_message_get_path(m), */
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/* dbus_message_get_member(m)); */
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if (dbus_message_is_signal(m, DBUS_INTERFACE_LOCAL, "Disconnected")) {
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struct timeval tv;
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if (server->reconnect) {
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avahi_log_warn("Disconnected from D-Bus, trying to reconnect in %ims...", RECONNECT_MSEC);
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dbus_disconnect();
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avahi_elapse_time(&tv, RECONNECT_MSEC, 0);
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if (server->reconnect_timeout)
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server->poll_api->timeout_update(server->reconnect_timeout, &tv);
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else
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server->reconnect_timeout = server->poll_api->timeout_new(server->poll_api, &tv, reconnect_callback, NULL);
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} else {
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avahi_log_warn("Disconnected from D-Bus, exiting.");
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raise(SIGTERM);
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}
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return DBUS_HANDLER_RESULT_HANDLED;
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} else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameAcquired")) {
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char *name;
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if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
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avahi_log_warn("Error parsing NameAcquired message");
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goto fail;
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}
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/* avahi_log_info(__FILE__": name acquired (%s)", name); */
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return DBUS_HANDLER_RESULT_HANDLED;
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} else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
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char *name, *old, *new;
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if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &old, DBUS_TYPE_STRING, &new, DBUS_TYPE_INVALID)) {
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avahi_log_warn("Error parsing NameOwnerChanged message");
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goto fail;
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}
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if (!*new) {
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Client *client;
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if ((client = client_get(name, FALSE))) {
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avahi_log_debug(__FILE__": client %s vanished.", name);
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client_free(client);
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}
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}
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}
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fail:
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if (dbus_error_is_set(&error))
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dbus_error_free(&error);
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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}
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static DBusHandlerResult msg_server_impl(DBusConnection *c, DBusMessage *m, AVAHI_GCC_UNUSED void *userdata) {
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DBusError error;
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dbus_error_init(&error);
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avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
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dbus_message_get_interface(m),
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dbus_message_get_path(m),
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dbus_message_get_member(m));
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if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
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return avahi_dbus_handle_introspect(c, m, "org.freedesktop.Avahi.Server.xml");
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else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostName")) {
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if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
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avahi_log_warn("Error parsing Server::GetHostName message");
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goto fail;
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}
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return avahi_dbus_respond_string(c, m, avahi_server_get_host_name(avahi_server));
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} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "SetHostName")) {
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char *name;
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if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
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avahi_log_warn("Error parsing Server::SetHostName message");
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goto fail;
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}
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if (avahi_server_set_host_name(avahi_server, name) < 0)
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return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
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avahi_log_info("Changing host name to '%s'.", name);
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return avahi_dbus_respond_ok(c, m);
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} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetDomainName")) {
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if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
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avahi_log_warn("Error parsing Server::GetDomainName message");
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goto fail;
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}
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return avahi_dbus_respond_string(c, m, avahi_server_get_domain_name(avahi_server));
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} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostNameFqdn")) {
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if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
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avahi_log_warn("Error parsing Server::GetHostNameFqdn message");
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goto fail;
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}
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return avahi_dbus_respond_string(c, m, avahi_server_get_host_name_fqdn(avahi_server));
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} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "IsNSSSupportAvailable")) {
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if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
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avahi_log_warn("Error parsing Server::IsNSSSupportAvailable message");
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goto fail;
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}
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return avahi_dbus_respond_boolean(c, m, nss_support);
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} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetVersionString")) {
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if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
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avahi_log_warn("Error parsing Server::GetVersionString message");
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goto fail;
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}
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return avahi_dbus_respond_string(c, m, PACKAGE_STRING);
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} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAPIVersion")) {
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if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
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avahi_log_warn("Error parsing Server::GetAPIVersion message");
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goto fail;
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}
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return avahi_dbus_respond_uint32(c, m, AVAHI_DBUS_API_VERSION);
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} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetState")) {
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AvahiServerState state;
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if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
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avahi_log_warn("Error parsing Server::GetState message");
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goto fail;
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}
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state = avahi_server_get_state(avahi_server);
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return avahi_dbus_respond_int32(c, m, (int32_t) state);
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} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetLocalServiceCookie")) {
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if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
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avahi_log_warn("Error parsing Server::GetLocalServiceCookie message");
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goto fail;
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}
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return avahi_dbus_respond_uint32(c, m, avahi_server_get_local_service_cookie(avahi_server));
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} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceNameByIndex")) {
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int32_t idx;
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char name[IF_NAMESIZE];
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if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INT32, &idx, DBUS_TYPE_INVALID))) {
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avahi_log_warn("Error parsing Server::GetNetworkInterfaceNameByIndex message");
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goto fail;
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}
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|
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#ifdef VALGRIND_WORKAROUND
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return respond_string(c, m, "blah");
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#else
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if ((!if_indextoname(idx, name))) {
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char txt[256];
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snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
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return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt);
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}
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return avahi_dbus_respond_string(c, m, name);
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#endif
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} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceIndexByName")) {
|
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char *n;
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int32_t idx;
|
|
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if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
|
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avahi_log_warn("Error parsing Server::GetNetworkInterfaceIndexByName message");
|
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goto fail;
|
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}
|
|
|
|
#ifdef VALGRIND_WORKAROUND
|
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return respond_int32(c, m, 1);
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|
#else
|
|
if (!(idx = if_nametoindex(n))) {
|
|
char txt[256];
|
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snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt);
|
|
}
|
|
|
|
return avahi_dbus_respond_int32(c, m, idx);
|
|
#endif
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeHostName")) {
|
|
char *n, * t;
|
|
|
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if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
|
|
avahi_log_warn("Error parsing Server::GetAlternativeHostName message");
|
|
goto fail;
|
|
}
|
|
|
|
t = avahi_alternative_host_name(n);
|
|
avahi_dbus_respond_string(c, m, t);
|
|
avahi_free(t);
|
|
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeServiceName")) {
|
|
char *n, *t;
|
|
|
|
if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
|
|
avahi_log_warn("Error parsing Server::GetAlternativeServiceName message");
|
|
goto fail;
|
|
}
|
|
|
|
t = avahi_alternative_service_name(n);
|
|
avahi_dbus_respond_string(c, m, t);
|
|
avahi_free(t);
|
|
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "EntryGroupNew")) {
|
|
Client *client;
|
|
EntryGroupInfo *i;
|
|
static const DBusObjectPathVTable vtable = {
|
|
NULL,
|
|
avahi_dbus_msg_entry_group_impl,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
|
|
avahi_log_warn("Error parsing Server::EntryGroupNew message");
|
|
goto fail;
|
|
}
|
|
|
|
if (server->disable_user_service_publishing)
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_NOT_PERMITTED, NULL);
|
|
|
|
if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
|
|
avahi_log_warn("Too many clients, client request failed.");
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
|
|
}
|
|
|
|
if (client->n_objects >= server->n_objects_per_client_max) {
|
|
avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
|
|
}
|
|
|
|
i = avahi_new(EntryGroupInfo, 1);
|
|
i->id = ++client->current_id;
|
|
i->client = client;
|
|
i->path = NULL;
|
|
i->n_entries = 0;
|
|
AVAHI_LLIST_PREPEND(EntryGroupInfo, entry_groups, client->entry_groups, i);
|
|
client->n_objects++;
|
|
|
|
if (!(i->entry_group = avahi_s_entry_group_new(avahi_server, avahi_dbus_entry_group_callback, i))) {
|
|
avahi_dbus_entry_group_free(i);
|
|
return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
|
|
}
|
|
|
|
i->path = avahi_strdup_printf("/Client%u/EntryGroup%u", client->id, i->id);
|
|
dbus_connection_register_object_path(c, i->path, &vtable, i);
|
|
return avahi_dbus_respond_path(c, m, i->path);
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveHostName")) {
|
|
Client *client;
|
|
int32_t interface, protocol, aprotocol;
|
|
uint32_t flags;
|
|
char *name;
|
|
SyncHostNameResolverInfo *i;
|
|
|
|
if (!dbus_message_get_args(
|
|
m, &error,
|
|
DBUS_TYPE_INT32, &interface,
|
|
DBUS_TYPE_INT32, &protocol,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_INT32, &aprotocol,
|
|
DBUS_TYPE_UINT32, &flags,
|
|
DBUS_TYPE_INVALID) || !name) {
|
|
avahi_log_warn("Error parsing Server::ResolveHostName message");
|
|
goto fail;
|
|
}
|
|
|
|
if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
|
|
avahi_log_warn("Too many clients, client request failed.");
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
|
|
}
|
|
|
|
if (client->n_objects >= server->n_objects_per_client_max) {
|
|
avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
|
|
}
|
|
|
|
i = avahi_new(SyncHostNameResolverInfo, 1);
|
|
i->client = client;
|
|
i->message = dbus_message_ref(m);
|
|
AVAHI_LLIST_PREPEND(SyncHostNameResolverInfo, sync_host_name_resolvers, client->sync_host_name_resolvers, i);
|
|
client->n_objects++;
|
|
|
|
if (!(i->host_name_resolver = avahi_s_host_name_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, (AvahiProtocol) aprotocol, (AvahiLookupFlags) flags, avahi_dbus_sync_host_name_resolver_callback, i))) {
|
|
avahi_dbus_sync_host_name_resolver_free(i);
|
|
return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
|
|
}
|
|
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveAddress")) {
|
|
Client *client;
|
|
int32_t interface, protocol;
|
|
uint32_t flags;
|
|
char *address;
|
|
SyncAddressResolverInfo *i;
|
|
AvahiAddress a;
|
|
|
|
if (!dbus_message_get_args(
|
|
m, &error,
|
|
DBUS_TYPE_INT32, &interface,
|
|
DBUS_TYPE_INT32, &protocol,
|
|
DBUS_TYPE_STRING, &address,
|
|
DBUS_TYPE_UINT32, &flags,
|
|
DBUS_TYPE_INVALID) || !address) {
|
|
avahi_log_warn("Error parsing Server::ResolveAddress message");
|
|
goto fail;
|
|
}
|
|
|
|
if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
|
|
|
|
if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
|
|
avahi_log_warn("Too many clients, client request failed.");
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
|
|
}
|
|
|
|
if (client->n_objects >= server->n_objects_per_client_max) {
|
|
avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
|
|
}
|
|
|
|
i = avahi_new(SyncAddressResolverInfo, 1);
|
|
i->client = client;
|
|
i->message = dbus_message_ref(m);
|
|
AVAHI_LLIST_PREPEND(SyncAddressResolverInfo, sync_address_resolvers, client->sync_address_resolvers, i);
|
|
client->n_objects++;
|
|
|
|
if (!(i->address_resolver = avahi_s_address_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, &a, (AvahiLookupFlags) flags, avahi_dbus_sync_address_resolver_callback, i))) {
|
|
avahi_dbus_sync_address_resolver_free(i);
|
|
return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
|
|
}
|
|
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew")) {
|
|
Client *client;
|
|
DomainBrowserInfo *i;
|
|
static const DBusObjectPathVTable vtable = {
|
|
NULL,
|
|
avahi_dbus_msg_domain_browser_impl,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
int32_t interface, protocol, type;
|
|
uint32_t flags;
|
|
char *domain;
|
|
|
|
if (!dbus_message_get_args(
|
|
m, &error,
|
|
DBUS_TYPE_INT32, &interface,
|
|
DBUS_TYPE_INT32, &protocol,
|
|
DBUS_TYPE_STRING, &domain,
|
|
DBUS_TYPE_INT32, &type,
|
|
DBUS_TYPE_UINT32, &flags,
|
|
DBUS_TYPE_INVALID) || type < 0 || type >= AVAHI_DOMAIN_BROWSER_MAX) {
|
|
avahi_log_warn("Error parsing Server::DomainBrowserNew message");
|
|
goto fail;
|
|
}
|
|
|
|
if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
|
|
avahi_log_warn("Too many clients, client request failed.");
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
|
|
}
|
|
|
|
if (client->n_objects >= server->n_objects_per_client_max) {
|
|
avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
|
|
}
|
|
|
|
if (!*domain)
|
|
domain = NULL;
|
|
|
|
i = avahi_new(DomainBrowserInfo, 1);
|
|
i->id = ++client->current_id;
|
|
i->client = client;
|
|
i->path = NULL;
|
|
AVAHI_LLIST_PREPEND(DomainBrowserInfo, domain_browsers, client->domain_browsers, i);
|
|
client->n_objects++;
|
|
|
|
if (!(i->domain_browser = avahi_s_domain_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, (AvahiDomainBrowserType) type, (AvahiLookupFlags) flags, avahi_dbus_domain_browser_callback, i))) {
|
|
avahi_dbus_domain_browser_free(i);
|
|
return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
|
|
}
|
|
|
|
i->path = avahi_strdup_printf("/Client%u/DomainBrowser%u", client->id, i->id);
|
|
dbus_connection_register_object_path(c, i->path, &vtable, i);
|
|
return avahi_dbus_respond_path(c, m, i->path);
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceTypeBrowserNew")) {
|
|
Client *client;
|
|
ServiceTypeBrowserInfo *i;
|
|
static const DBusObjectPathVTable vtable = {
|
|
NULL,
|
|
avahi_dbus_msg_service_type_browser_impl,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
int32_t interface, protocol;
|
|
uint32_t flags;
|
|
char *domain;
|
|
|
|
if (!dbus_message_get_args(
|
|
m, &error,
|
|
DBUS_TYPE_INT32, &interface,
|
|
DBUS_TYPE_INT32, &protocol,
|
|
DBUS_TYPE_STRING, &domain,
|
|
DBUS_TYPE_UINT32, &flags,
|
|
DBUS_TYPE_INVALID)) {
|
|
avahi_log_warn("Error parsing Server::ServiceTypeBrowserNew message");
|
|
goto fail;
|
|
}
|
|
|
|
if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
|
|
avahi_log_warn("Too many clients, client request failed.");
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
|
|
}
|
|
|
|
if (client->n_objects >= server->n_objects_per_client_max) {
|
|
avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
|
|
}
|
|
|
|
if (!*domain)
|
|
domain = NULL;
|
|
|
|
i = avahi_new(ServiceTypeBrowserInfo, 1);
|
|
i->id = ++client->current_id;
|
|
i->client = client;
|
|
i->path = NULL;
|
|
AVAHI_LLIST_PREPEND(ServiceTypeBrowserInfo, service_type_browsers, client->service_type_browsers, i);
|
|
client->n_objects++;
|
|
|
|
if (!(i->service_type_browser = avahi_s_service_type_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, (AvahiLookupFlags) flags, avahi_dbus_service_type_browser_callback, i))) {
|
|
avahi_dbus_service_type_browser_free(i);
|
|
return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
|
|
}
|
|
|
|
i->path = avahi_strdup_printf("/Client%u/ServiceTypeBrowser%u", client->id, i->id);
|
|
dbus_connection_register_object_path(c, i->path, &vtable, i);
|
|
return avahi_dbus_respond_path(c, m, i->path);
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew")) {
|
|
Client *client;
|
|
ServiceBrowserInfo *i;
|
|
static const DBusObjectPathVTable vtable = {
|
|
NULL,
|
|
avahi_dbus_msg_service_browser_impl,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
int32_t interface, protocol;
|
|
uint32_t flags;
|
|
char *domain, *type;
|
|
|
|
if (!dbus_message_get_args(
|
|
m, &error,
|
|
DBUS_TYPE_INT32, &interface,
|
|
DBUS_TYPE_INT32, &protocol,
|
|
DBUS_TYPE_STRING, &type,
|
|
DBUS_TYPE_STRING, &domain,
|
|
DBUS_TYPE_UINT32, &flags,
|
|
DBUS_TYPE_INVALID) || !type) {
|
|
avahi_log_warn("Error parsing Server::ServiceBrowserNew message");
|
|
goto fail;
|
|
}
|
|
|
|
if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
|
|
avahi_log_warn("Too many clients, client request failed.");
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
|
|
}
|
|
|
|
if (client->n_objects >= server->n_objects_per_client_max) {
|
|
avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
|
|
}
|
|
|
|
if (!*domain)
|
|
domain = NULL;
|
|
|
|
i = avahi_new(ServiceBrowserInfo, 1);
|
|
i->id = ++client->current_id;
|
|
i->client = client;
|
|
i->path = NULL;
|
|
AVAHI_LLIST_PREPEND(ServiceBrowserInfo, service_browsers, client->service_browsers, i);
|
|
client->n_objects++;
|
|
|
|
if (!(i->service_browser = avahi_s_service_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, type, domain, (AvahiLookupFlags) flags, avahi_dbus_service_browser_callback, i))) {
|
|
avahi_dbus_service_browser_free(i);
|
|
return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
|
|
}
|
|
|
|
i->path = avahi_strdup_printf("/Client%u/ServiceBrowser%u", client->id, i->id);
|
|
dbus_connection_register_object_path(c, i->path, &vtable, i);
|
|
return avahi_dbus_respond_path(c, m, i->path);
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveService")) {
|
|
Client *client;
|
|
int32_t interface, protocol, aprotocol;
|
|
uint32_t flags;
|
|
char *name, *type, *domain;
|
|
SyncServiceResolverInfo *i;
|
|
|
|
if (!dbus_message_get_args(
|
|
m, &error,
|
|
DBUS_TYPE_INT32, &interface,
|
|
DBUS_TYPE_INT32, &protocol,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_STRING, &type,
|
|
DBUS_TYPE_STRING, &domain,
|
|
DBUS_TYPE_INT32, &aprotocol,
|
|
DBUS_TYPE_UINT32, &flags,
|
|
DBUS_TYPE_INVALID) || !type) {
|
|
avahi_log_warn("Error parsing Server::ResolveService message");
|
|
goto fail;
|
|
}
|
|
|
|
if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
|
|
avahi_log_warn("Too many clients, client request failed.");
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
|
|
}
|
|
|
|
if (client->n_objects >= server->n_objects_per_client_max) {
|
|
avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
|
|
}
|
|
|
|
if (!*domain)
|
|
domain = NULL;
|
|
|
|
if (!*name)
|
|
name = NULL;
|
|
|
|
i = avahi_new(SyncServiceResolverInfo, 1);
|
|
i->client = client;
|
|
i->message = dbus_message_ref(m);
|
|
AVAHI_LLIST_PREPEND(SyncServiceResolverInfo, sync_service_resolvers, client->sync_service_resolvers, i);
|
|
client->n_objects++;
|
|
|
|
if (!(i->service_resolver = avahi_s_service_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, (AvahiProtocol) aprotocol, (AvahiLookupFlags) flags, avahi_dbus_sync_service_resolver_callback, i))) {
|
|
avahi_dbus_sync_service_resolver_free(i);
|
|
return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
|
|
}
|
|
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew")) {
|
|
Client *client;
|
|
int32_t interface, protocol, aprotocol;
|
|
uint32_t flags;
|
|
char *name, *type, *domain;
|
|
AsyncServiceResolverInfo *i;
|
|
static const DBusObjectPathVTable vtable = {
|
|
NULL,
|
|
avahi_dbus_msg_async_service_resolver_impl,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
if (!dbus_message_get_args(
|
|
m, &error,
|
|
DBUS_TYPE_INT32, &interface,
|
|
DBUS_TYPE_INT32, &protocol,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_STRING, &type,
|
|
DBUS_TYPE_STRING, &domain,
|
|
DBUS_TYPE_INT32, &aprotocol,
|
|
DBUS_TYPE_UINT32, &flags,
|
|
DBUS_TYPE_INVALID) || !type) {
|
|
avahi_log_warn("Error parsing Server::ServiceResolverNew message");
|
|
goto fail;
|
|
}
|
|
|
|
if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
|
|
avahi_log_warn(__FILE__": Too many clients, client request failed.");
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
|
|
}
|
|
|
|
if (client->n_objects >= server->n_objects_per_client_max) {
|
|
avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
|
|
}
|
|
|
|
if (!*domain)
|
|
domain = NULL;
|
|
|
|
if (!*name)
|
|
name = NULL;
|
|
|
|
i = avahi_new(AsyncServiceResolverInfo, 1);
|
|
i->id = ++client->current_id;
|
|
i->client = client;
|
|
i->path = NULL;
|
|
AVAHI_LLIST_PREPEND(AsyncServiceResolverInfo, async_service_resolvers, client->async_service_resolvers, i);
|
|
client->n_objects++;
|
|
|
|
if (!(i->service_resolver = avahi_s_service_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, (AvahiProtocol) aprotocol, (AvahiLookupFlags) flags, avahi_dbus_async_service_resolver_callback, i))) {
|
|
avahi_dbus_async_service_resolver_free(i);
|
|
return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
|
|
}
|
|
|
|
/* avahi_log_debug(__FILE__": [%s], new service resolver for <%s.%s.%s>", i->path, name, type, domain); */
|
|
|
|
i->path = avahi_strdup_printf("/Client%u/ServiceResolver%u", client->id, i->id);
|
|
dbus_connection_register_object_path(c, i->path, &vtable, i);
|
|
return avahi_dbus_respond_path(c, m, i->path);
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew")) {
|
|
Client *client;
|
|
int32_t interface, protocol, aprotocol;
|
|
uint32_t flags;
|
|
char *name;
|
|
AsyncHostNameResolverInfo *i;
|
|
static const DBusObjectPathVTable vtable = {
|
|
NULL,
|
|
avahi_dbus_msg_async_host_name_resolver_impl,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
if (!dbus_message_get_args(
|
|
m, &error,
|
|
DBUS_TYPE_INT32, &interface,
|
|
DBUS_TYPE_INT32, &protocol,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_INT32, &aprotocol,
|
|
DBUS_TYPE_UINT32, &flags,
|
|
DBUS_TYPE_INVALID) || !name) {
|
|
avahi_log_warn("Error parsing Server::HostNameResolverNew message");
|
|
goto fail;
|
|
}
|
|
|
|
if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
|
|
avahi_log_warn(__FILE__": Too many clients, client request failed.");
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
|
|
}
|
|
|
|
if (client->n_objects >= server->n_objects_per_client_max) {
|
|
avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
|
|
}
|
|
|
|
i = avahi_new(AsyncHostNameResolverInfo, 1);
|
|
i->id = ++client->current_id;
|
|
i->client = client;
|
|
i->path = NULL;
|
|
AVAHI_LLIST_PREPEND(AsyncHostNameResolverInfo, async_host_name_resolvers, client->async_host_name_resolvers, i);
|
|
client->n_objects++;
|
|
|
|
if (!(i->host_name_resolver = avahi_s_host_name_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, aprotocol, (AvahiLookupFlags) flags, avahi_dbus_async_host_name_resolver_callback, i))) {
|
|
avahi_dbus_async_host_name_resolver_free(i);
|
|
return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
|
|
}
|
|
|
|
i->path = avahi_strdup_printf("/Client%u/HostNameResolver%u", client->id, i->id);
|
|
dbus_connection_register_object_path(c, i->path, &vtable, i);
|
|
return avahi_dbus_respond_path(c, m, i->path);
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew")) {
|
|
Client *client;
|
|
int32_t interface, protocol;
|
|
uint32_t flags;
|
|
char *address;
|
|
AsyncAddressResolverInfo *i;
|
|
AvahiAddress a;
|
|
static const DBusObjectPathVTable vtable = {
|
|
NULL,
|
|
avahi_dbus_msg_async_address_resolver_impl,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
if (!dbus_message_get_args(
|
|
m, &error,
|
|
DBUS_TYPE_INT32, &interface,
|
|
DBUS_TYPE_INT32, &protocol,
|
|
DBUS_TYPE_STRING, &address,
|
|
DBUS_TYPE_UINT32, &flags,
|
|
DBUS_TYPE_INVALID) || !address) {
|
|
avahi_log_warn("Error parsing Server::AddressResolverNew message");
|
|
goto fail;
|
|
}
|
|
|
|
if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
|
|
|
|
if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
|
|
avahi_log_warn(__FILE__": Too many clients, client request failed.");
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
|
|
}
|
|
|
|
if (client->n_objects >= server->n_objects_per_client_max) {
|
|
avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
|
|
}
|
|
|
|
i = avahi_new(AsyncAddressResolverInfo, 1);
|
|
i->id = ++client->current_id;
|
|
i->client = client;
|
|
i->path = NULL;
|
|
AVAHI_LLIST_PREPEND(AsyncAddressResolverInfo, async_address_resolvers, client->async_address_resolvers, i);
|
|
client->n_objects++;
|
|
|
|
if (!(i->address_resolver = avahi_s_address_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, &a, (AvahiLookupFlags) flags, avahi_dbus_async_address_resolver_callback, i))) {
|
|
avahi_dbus_async_address_resolver_free(i);
|
|
return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
|
|
}
|
|
|
|
i->path = avahi_strdup_printf("/Client%u/AddressResolver%u", client->id, i->id);
|
|
dbus_connection_register_object_path(c, i->path, &vtable, i);
|
|
return avahi_dbus_respond_path(c, m, i->path);
|
|
|
|
} else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "RecordBrowserNew")) {
|
|
Client *client;
|
|
RecordBrowserInfo *i;
|
|
static const DBusObjectPathVTable vtable = {
|
|
NULL,
|
|
avahi_dbus_msg_record_browser_impl,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
int32_t interface, protocol;
|
|
uint32_t flags;
|
|
char *name;
|
|
uint16_t type, clazz;
|
|
AvahiKey *key;
|
|
|
|
if (!dbus_message_get_args(
|
|
m, &error,
|
|
DBUS_TYPE_INT32, &interface,
|
|
DBUS_TYPE_INT32, &protocol,
|
|
DBUS_TYPE_STRING, &name,
|
|
DBUS_TYPE_UINT16, &clazz,
|
|
DBUS_TYPE_UINT16, &type,
|
|
DBUS_TYPE_UINT32, &flags,
|
|
DBUS_TYPE_INVALID) || !name) {
|
|
avahi_log_warn("Error parsing Server::RecordBrowserNew message");
|
|
goto fail;
|
|
}
|
|
|
|
if (!avahi_is_valid_domain_name(name))
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_DOMAIN_NAME, NULL);
|
|
|
|
if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
|
|
avahi_log_warn("Too many clients, client request failed.");
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
|
|
}
|
|
|
|
if (client->n_objects >= server->n_objects_per_client_max) {
|
|
avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
|
|
return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
|
|
}
|
|
|
|
i = avahi_new(RecordBrowserInfo, 1);
|
|
i->id = ++client->current_id;
|
|
i->client = client;
|
|
i->path = NULL;
|
|
AVAHI_LLIST_PREPEND(RecordBrowserInfo, record_browsers, client->record_browsers, i);
|
|
client->n_objects++;
|
|
|
|
key = avahi_key_new(name, clazz, type);
|
|
assert(key);
|
|
|
|
if (!(i->record_browser = avahi_s_record_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, key, (AvahiLookupFlags) flags, avahi_dbus_record_browser_callback, i))) {
|
|
avahi_key_unref(key);
|
|
avahi_dbus_record_browser_free(i);
|
|
return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
|
|
}
|
|
|
|
avahi_key_unref(key);
|
|
|
|
i->path = avahi_strdup_printf("/Client%u/RecordBrowser%u", client->id, i->id);
|
|
dbus_connection_register_object_path(c, i->path, &vtable, i);
|
|
return avahi_dbus_respond_path(c, m, i->path);
|
|
}
|
|
|
|
avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
|
|
|
|
fail:
|
|
if (dbus_error_is_set(&error))
|
|
dbus_error_free(&error);
|
|
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
}
|
|
|
|
void dbus_protocol_server_state_changed(AvahiServerState state) {
|
|
DBusMessage *m;
|
|
int32_t t;
|
|
const char *e;
|
|
|
|
if (!server || !server->bus)
|
|
return;
|
|
|
|
m = dbus_message_new_signal(AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "StateChanged");
|
|
|
|
if (!m) {
|
|
avahi_log_error("Failed allocate message");
|
|
return;
|
|
}
|
|
|
|
t = (int32_t) state;
|
|
|
|
if (state == AVAHI_SERVER_COLLISION)
|
|
e = AVAHI_DBUS_ERR_COLLISION;
|
|
else if (state == AVAHI_SERVER_FAILURE)
|
|
e = avahi_error_number_to_dbus(avahi_server_errno(avahi_server));
|
|
else
|
|
e = AVAHI_DBUS_ERR_OK;
|
|
|
|
dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_STRING, &e, DBUS_TYPE_INVALID);
|
|
dbus_connection_send(server->bus, m, NULL);
|
|
dbus_message_unref(m);
|
|
}
|
|
|
|
static int dbus_connect(void) {
|
|
DBusError error;
|
|
|
|
static const DBusObjectPathVTable server_vtable = {
|
|
NULL,
|
|
msg_server_impl,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
assert(server);
|
|
assert(!server->bus);
|
|
|
|
dbus_error_init(&error);
|
|
|
|
#ifdef HAVE_DBUS_BUS_GET_PRIVATE
|
|
if (!(server->bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error))) {
|
|
assert(dbus_error_is_set(&error));
|
|
avahi_log_error("dbus_bus_get_private(): %s", error.message);
|
|
goto fail;
|
|
}
|
|
#else
|
|
{
|
|
const char *a;
|
|
|
|
if (!(a = getenv("DBUS_SYSTEM_BUS_ADDRESS")) || !*a)
|
|
a = DBUS_SYSTEM_BUS_DEFAULT_ADDRESS;
|
|
|
|
if (!(server->bus = dbus_connection_open_private(a, &error))) {
|
|
assert(dbus_error_is_set(&error));
|
|
avahi_log_error("dbus_bus_open_private(): %s", error.message);
|
|
goto fail;
|
|
}
|
|
|
|
if (!dbus_bus_register(server->bus, &error)) {
|
|
assert(dbus_error_is_set(&error));
|
|
avahi_log_error("dbus_bus_register(): %s", error.message);
|
|
goto fail;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (avahi_dbus_connection_glue(server->bus, server->poll_api) < 0) {
|
|
avahi_log_error("avahi_dbus_connection_glue() failed");
|
|
goto fail;
|
|
}
|
|
|
|
dbus_connection_set_exit_on_disconnect(server->bus, FALSE);
|
|
|
|
if (dbus_bus_request_name(
|
|
server->bus,
|
|
AVAHI_DBUS_NAME,
|
|
#if (DBUS_VERSION_MAJOR == 0) && (DBUS_VERSION_MINOR < 60)
|
|
DBUS_NAME_FLAG_PROHIBIT_REPLACEMENT,
|
|
#else
|
|
DBUS_NAME_FLAG_DO_NOT_QUEUE,
|
|
#endif
|
|
&error) != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
|
|
if (dbus_error_is_set(&error)) {
|
|
avahi_log_error("dbus_bus_request_name(): %s", error.message);
|
|
goto fail;
|
|
}
|
|
|
|
avahi_log_error("Failed to acquire D-Bus name '"AVAHI_DBUS_NAME"'");
|
|
goto fail;
|
|
}
|
|
|
|
if (!(dbus_connection_add_filter(server->bus, msg_signal_filter_impl, (void*) server->poll_api, NULL))) {
|
|
avahi_log_error("dbus_connection_add_filter() failed");
|
|
goto fail;
|
|
}
|
|
|
|
dbus_bus_add_match(server->bus, "type='signal',""interface='" DBUS_INTERFACE_DBUS "'", &error);
|
|
|
|
if (dbus_error_is_set(&error)) {
|
|
avahi_log_error("dbus_bus_add_match(): %s", error.message);
|
|
goto fail;
|
|
}
|
|
|
|
if (!(dbus_connection_register_object_path(server->bus, AVAHI_DBUS_PATH_SERVER, &server_vtable, NULL))) {
|
|
avahi_log_error("dbus_connection_register_object_path() failed");
|
|
goto fail;
|
|
}
|
|
|
|
return 0;
|
|
fail:
|
|
|
|
if (dbus_error_is_set(&error))
|
|
dbus_error_free(&error);
|
|
|
|
if (server->bus) {
|
|
#ifdef HAVE_DBUS_CONNECTION_CLOSE
|
|
dbus_connection_close(server->bus);
|
|
#else
|
|
dbus_connection_disconnect(server->bus);
|
|
#endif
|
|
dbus_connection_unref(server->bus);
|
|
server->bus = NULL;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static void dbus_disconnect(void) {
|
|
assert(server);
|
|
|
|
while (server->clients)
|
|
client_free(server->clients);
|
|
|
|
assert(server->n_clients == 0);
|
|
|
|
if (server->bus) {
|
|
#ifdef HAVE_DBUS_CONNECTION_CLOSE
|
|
dbus_connection_close(server->bus);
|
|
#else
|
|
dbus_connection_disconnect(server->bus);
|
|
#endif
|
|
dbus_connection_unref(server->bus);
|
|
server->bus = NULL;
|
|
}
|
|
}
|
|
|
|
int dbus_protocol_setup(const AvahiPoll *poll_api,
|
|
int _disable_user_service_publishing,
|
|
int _n_clients_max,
|
|
int _n_objects_per_client_max,
|
|
int _n_entries_per_entry_group_max,
|
|
int force) {
|
|
|
|
|
|
server = avahi_new(Server, 1);
|
|
AVAHI_LLIST_HEAD_INIT(Clients, server->clients);
|
|
server->current_id = 0;
|
|
server->n_clients = 0;
|
|
server->bus = NULL;
|
|
server->poll_api = poll_api;
|
|
server->reconnect_timeout = NULL;
|
|
server->reconnect = force;
|
|
server->disable_user_service_publishing = _disable_user_service_publishing;
|
|
server->n_clients_max = _n_clients_max > 0 ? _n_clients_max : DEFAULT_CLIENTS_MAX;
|
|
server->n_objects_per_client_max = _n_objects_per_client_max > 0 ? _n_objects_per_client_max : DEFAULT_OBJECTS_PER_CLIENT_MAX;
|
|
server->n_entries_per_entry_group_max = _n_entries_per_entry_group_max > 0 ? _n_entries_per_entry_group_max : DEFAULT_ENTRIES_PER_ENTRY_GROUP_MAX;
|
|
|
|
if (dbus_connect() < 0) {
|
|
struct timeval tv;
|
|
|
|
if (!force)
|
|
goto fail;
|
|
|
|
avahi_log_warn("WARNING: Failed to contact D-Bus daemon, retrying in %ims.", RECONNECT_MSEC);
|
|
|
|
avahi_elapse_time(&tv, RECONNECT_MSEC, 0);
|
|
server->reconnect_timeout = server->poll_api->timeout_new(server->poll_api, &tv, reconnect_callback, NULL);
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
if (server->bus) {
|
|
#ifdef HAVE_DBUS_CONNECTION_CLOSE
|
|
dbus_connection_close(server->bus);
|
|
#else
|
|
dbus_connection_disconnect(server->bus);
|
|
#endif
|
|
|
|
dbus_connection_unref(server->bus);
|
|
}
|
|
|
|
avahi_free(server);
|
|
server = NULL;
|
|
return -1;
|
|
}
|
|
|
|
void dbus_protocol_shutdown(void) {
|
|
|
|
if (server) {
|
|
dbus_disconnect();
|
|
|
|
if (server->reconnect_timeout)
|
|
server->poll_api->timeout_free(server->reconnect_timeout);
|
|
|
|
avahi_free(server);
|
|
server = NULL;
|
|
}
|
|
}
|