/***
This file is part of avahi.
avahi 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.
avahi 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 avahi; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <dbus/dbus.h>
#include <avahi-client/client.h>
#include <avahi-common/dbus.h>
#include <avahi-common/llist.h>
#include <avahi-common/error.h>
#include "avahi-common/avahi-malloc.h"
#include "client.h"
#include "internal.h"
void avahi_entry_group_set_state(AvahiEntryGroup *group, AvahiEntryGroupState state) {
assert(group);
if (group->state_valid && group->state == state)
return;
group->state = state;
group->state_valid = 1;
if (group->callback)
group->callback(group, state, group->userdata);
}
static int retrieve_state(AvahiEntryGroup *group) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
int r = AVAHI_OK;
int32_t state;
AvahiClient *client;
dbus_error_init(&error);
assert(group);
client = group->client;
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "GetState"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INT32, &state, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return state;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
AvahiEntryGroup* avahi_entry_group_new (AvahiClient *client, AvahiEntryGroupCallback callback, void *userdata) {
AvahiEntryGroup *group = NULL;
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
char *path;
int state;
assert(client);
dbus_error_init (&error);
if (!avahi_client_is_connected(client)) {
avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
goto fail;
}
if (!(group = avahi_new(AvahiEntryGroup, 1))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
group->client = client;
group->callback = callback;
group->userdata = userdata;
group->state_valid = 0;
group->path = NULL;
AVAHI_LLIST_PREPEND(AvahiEntryGroup, groups, client->groups, group);
if (!(message = dbus_message_new_method_call(
AVAHI_DBUS_NAME,
AVAHI_DBUS_PATH_SERVER,
AVAHI_DBUS_INTERFACE_SERVER,
"EntryGroupNew"))) {
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!(group->path = avahi_strdup (path))) {
/* FIXME: We don't remove the object on the server side */
avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if ((state = retrieve_state(group)) < 0) {
avahi_client_set_errno(client, state);
goto fail;
}
avahi_entry_group_set_state(group, (AvahiEntryGroupState) state);
dbus_message_unref(message);
dbus_message_unref(reply);
return group;
fail:
if (dbus_error_is_set(&error)) {
avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (group)
avahi_entry_group_free(group);
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return NULL;
}
static int entry_group_simple_method_call(AvahiEntryGroup *group, const char *method) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
int r = AVAHI_OK;
AvahiClient *client;
dbus_error_init(&error);
assert(group);
client = group->client;
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, method))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
int avahi_entry_group_free(AvahiEntryGroup *group) {
AvahiClient *client = group->client;
int r = AVAHI_OK;
assert(group);
if (group->path && avahi_client_is_connected(client))
r = entry_group_simple_method_call(group, "Free");
AVAHI_LLIST_REMOVE(AvahiEntryGroup, groups, client->groups, group);
avahi_free(group->path);
avahi_free(group);
return r;
}
int avahi_entry_group_commit(AvahiEntryGroup *group) {
int ret;
assert(group);
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
if ((ret = entry_group_simple_method_call(group, "Commit")) < 0)
return ret;
group->state_valid = 0;
return ret;
}
int avahi_entry_group_reset(AvahiEntryGroup *group) {
int ret;
assert(group);
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
if ((ret = entry_group_simple_method_call(group, "Reset")) < 0)
return ret;
group->state_valid = 0;
return ret;
}
int avahi_entry_group_get_state (AvahiEntryGroup *group) {
assert (group);
if (group->state_valid)
return group->state;
return retrieve_state(group);
}
AvahiClient* avahi_entry_group_get_client (AvahiEntryGroup *group) {
assert(group);
return group->client;
}
int avahi_entry_group_is_empty (AvahiEntryGroup *group) {
DBusMessage *message = NULL, *reply = NULL;
DBusError error;
int r = AVAHI_OK;
int b;
AvahiClient *client;
assert(group);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "IsEmpty"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_BOOLEAN, &b, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return !!b;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
static int append_rdata(DBusMessage *message, const void *rdata, size_t size) {
DBusMessageIter iter, sub;
assert(message);
dbus_message_iter_init_append(message, &iter);
if (!(dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE_AS_STRING, &sub)) ||
!(dbus_message_iter_append_fixed_array(&sub, DBUS_TYPE_BYTE, &rdata, size)) ||
!(dbus_message_iter_close_container(&iter, &sub)))
return -1;
return 0;
}
static int append_string_list(DBusMessage *message, AvahiStringList *txt) {
DBusMessageIter iter, sub;
int r = -1;
AvahiStringList *p;
assert(message);
dbus_message_iter_init_append(message, &iter);
/* Reverse the string list, so that we can pass it in-order to the server */
txt = avahi_string_list_reverse(txt);
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "ay", &sub))
goto fail;
/* Assemble the AvahiStringList into an Array of Array of Bytes to send over dbus */
for (p = txt; p != NULL; p = p->next) {
DBusMessageIter sub2;
const uint8_t *data = p->text;
if (!(dbus_message_iter_open_container(&sub, DBUS_TYPE_ARRAY, "y", &sub2)) ||
!(dbus_message_iter_append_fixed_array(&sub2, DBUS_TYPE_BYTE, &data, p->size)) ||
!(dbus_message_iter_close_container(&sub, &sub2)))
goto fail;
}
if (!dbus_message_iter_close_container(&iter, &sub))
goto fail;
r = 0;
fail:
/* Reverse the string list to the original state */
txt = avahi_string_list_reverse(txt);
return r;
}
int avahi_entry_group_add_service_strlst(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
const char *type,
const char *domain,
const char *host,
uint16_t port,
AvahiStringList *txt) {
DBusMessage *message = NULL, *reply = NULL;
int r = AVAHI_OK;
DBusError error;
AvahiClient *client;
int32_t i_interface, i_protocol;
uint32_t u_flags;
assert(group);
assert(name);
assert(type);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
if (!domain)
domain = "";
if (!host)
host = "";
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddService"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
if (!dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &type,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_STRING, &host,
DBUS_TYPE_UINT16, &port,
DBUS_TYPE_INVALID) ||
append_string_list(message, txt) < 0) {
r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
int avahi_entry_group_add_service(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
const char *type,
const char *domain,
const char *host,
uint16_t port,
...) {
va_list va;
int r;
AvahiStringList *txt;
assert(group);
va_start(va, port);
txt = avahi_string_list_new_va(va);
r = avahi_entry_group_add_service_strlst(group, interface, protocol, flags, name, type, domain, host, port, txt);
avahi_string_list_free(txt);
va_end(va);
return r;
}
int avahi_entry_group_add_service_subtype(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
const char *type,
const char *domain,
const char *subtype) {
DBusMessage *message = NULL, *reply = NULL;
int r = AVAHI_OK;
DBusError error;
AvahiClient *client;
int32_t i_interface, i_protocol;
uint32_t u_flags;
assert(group);
assert(name);
assert(type);
assert(subtype);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
if (!domain)
domain = "";
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddServiceSubtype"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
if (!dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &type,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_STRING, &subtype,
DBUS_TYPE_INVALID)) {
r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
int avahi_entry_group_update_service_txt(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
const char *type,
const char *domain,
...) {
va_list va;
int r;
AvahiStringList *txt;
va_start(va, domain);
txt = avahi_string_list_new_va(va);
r = avahi_entry_group_update_service_txt_strlst(group, interface, protocol, flags, name, type, domain, txt);
avahi_string_list_free(txt);
va_end(va);
return r;
}
int avahi_entry_group_update_service_txt_strlst(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
const char *type,
const char *domain,
AvahiStringList *txt) {
DBusMessage *message = NULL, *reply = NULL;
int r = AVAHI_OK;
DBusError error;
AvahiClient *client;
int32_t i_interface, i_protocol;
uint32_t u_flags;
assert(group);
assert(name);
assert(type);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
if (!domain)
domain = "";
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "UpdateServiceTxt"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
if (!dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &type,
DBUS_TYPE_STRING, &domain,
DBUS_TYPE_INVALID) ||
append_string_list(message, txt) < 0) {
r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
/** Add a host/address pair */
int avahi_entry_group_add_address(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
const AvahiAddress *a) {
DBusMessage *message = NULL, *reply = NULL;
int r = AVAHI_OK;
DBusError error;
AvahiClient *client;
int32_t i_interface, i_protocol;
uint32_t u_flags;
char s_address[AVAHI_ADDRESS_STR_MAX];
char *p_address = s_address;
assert(name);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddAddress"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
if (!avahi_address_snprint (s_address, sizeof (s_address), a))
{
r = avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
goto fail;
}
if (!dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &p_address,
DBUS_TYPE_INVALID)) {
r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}
/** Add an arbitrary record */
int avahi_entry_group_add_record(
AvahiEntryGroup *group,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
const char *name,
uint16_t clazz,
uint16_t type,
uint32_t ttl,
const void *rdata,
size_t size) {
DBusMessage *message = NULL, *reply = NULL;
int r = AVAHI_OK;
DBusError error;
AvahiClient *client;
int32_t i_interface, i_protocol;
uint32_t u_flags;
assert(name);
client = group->client;
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
dbus_error_init(&error);
if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, group->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddRecord"))) {
r = avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
i_interface = (int32_t) interface;
i_protocol = (int32_t) protocol;
u_flags = (uint32_t) flags;
if (!dbus_message_append_args(
message,
DBUS_TYPE_INT32, &i_interface,
DBUS_TYPE_INT32, &i_protocol,
DBUS_TYPE_UINT32, &u_flags,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_UINT16, &clazz,
DBUS_TYPE_UINT16, &type,
DBUS_TYPE_UINT32, &ttl,
DBUS_TYPE_INVALID) || append_rdata(message, rdata, size) < 0) {
r = avahi_client_set_errno(group->client, AVAHI_ERR_NO_MEMORY);
goto fail;
}
if (!(reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error)) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
dbus_error_is_set (&error)) {
r = avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
goto fail;
}
dbus_message_unref(message);
dbus_message_unref(reply);
return AVAHI_OK;
fail:
if (dbus_error_is_set(&error)) {
r = avahi_client_set_dbus_error(client, &error);
dbus_error_free(&error);
}
if (message)
dbus_message_unref(message);
if (reply)
dbus_message_unref(reply);
return r;
}