+++ /dev/null
-/***
- 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-common/dbus.h>
-#include <avahi-common/llist.h>
-#include <avahi-common/error.h>
-#include <avahi-common/dbus.h>
-#include <avahi-common/malloc.h>
-#include <avahi-common/dbus-watch-glue.h>
-#include <avahi-common/i18n.h>
-
-#include "client.h"
-#include "internal.h"
-
-#define AVAHI_CLIENT_DBUS_API_SUPPORTED ((uint32_t) 0x0201)
-
-static int init_server(AvahiClient *client, int *ret_error);
-
-int avahi_client_set_errno (AvahiClient *client, int error) {
- assert(client);
-
- return client->error = error;
-}
-
-int avahi_client_set_dbus_error(AvahiClient *client, DBusError *error) {
- assert(client);
- assert(error);
-
- return avahi_client_set_errno(client, avahi_error_dbus_to_number(error->name));
-}
-
-static void client_set_state(AvahiClient *client, AvahiClientState state) {
- assert(client);
-
- if (client->state == state)
- return;
-
- client->state = state;
-
- switch (client->state) {
- case AVAHI_CLIENT_FAILURE:
- if (client->bus) {
-#ifdef HAVE_DBUS_CONNECTION_CLOSE
- dbus_connection_close(client->bus);
-#else
- dbus_connection_disconnect(client->bus);
-#endif
- dbus_connection_unref(client->bus);
- client->bus = NULL;
- }
-
- /* Fall through */
-
- case AVAHI_CLIENT_S_COLLISION:
- case AVAHI_CLIENT_S_REGISTERING:
-
- /* Clear cached strings */
- avahi_free(client->host_name);
- avahi_free(client->host_name_fqdn);
- avahi_free(client->domain_name);
-
- client->host_name = NULL;
- client->host_name_fqdn = NULL;
- client->domain_name = NULL;
- break;
-
- case AVAHI_CLIENT_S_RUNNING:
- case AVAHI_CLIENT_CONNECTING:
- break;
-
- }
-
- if (client->callback)
- client->callback (client, state, client->userdata);
-}
-
-static DBusHandlerResult filter_func(DBusConnection *bus, DBusMessage *message, void *userdata) {
- AvahiClient *client = userdata;
- DBusError error;
-
- assert(bus);
- assert(message);
-
- dbus_error_init(&error);
-
-/* fprintf(stderr, "dbus: interface=%s, path=%s, member=%s\n", */
-/* dbus_message_get_interface (message), */
-/* dbus_message_get_path (message), */
-/* dbus_message_get_member (message)); */
-
- if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) {
-
- /* The DBUS server died or kicked us */
- avahi_client_set_errno(client, AVAHI_ERR_DISCONNECTED);
- goto fail;
-
- } else if (dbus_message_is_signal(message, DBUS_INTERFACE_DBUS, "NameAcquired")) {
-
- /* Ignore this message */
-
- } else if (dbus_message_is_signal(message, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
- char *name, *old, *new;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &old,
- DBUS_TYPE_STRING, &new,
- DBUS_TYPE_INVALID) || dbus_error_is_set(&error)) {
-
- fprintf(stderr, "WARNING: Failed to parse NameOwnerChanged signal: %s\n", error.message);
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (strcmp(name, AVAHI_DBUS_NAME) == 0) {
-
- if (old[0] &&
- avahi_client_is_connected(client)) {
-
- /* Regardless if the server lost its name or
- * if the name was transfered: our services are no longer
- * available, so we disconnect ourselves */
- avahi_client_set_errno(client, AVAHI_ERR_DISCONNECTED);
- goto fail;
-
- } else if (client->state == AVAHI_CLIENT_CONNECTING && (!old || *old == 0)) {
- int ret;
-
- /* Server appeared */
-
- if ((ret = init_server(client, NULL)) < 0) {
- avahi_client_set_errno(client, ret);
- goto fail;
- }
- }
- }
-
- } else if (!avahi_client_is_connected(client)) {
-
- /* Ignore messages we get in unconnected state */
-
- } else if (dbus_message_is_signal (message, AVAHI_DBUS_INTERFACE_SERVER, "StateChanged")) {
- int32_t state;
- char *e = NULL;
- int c;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_INT32, &state,
- DBUS_TYPE_STRING, &e,
- DBUS_TYPE_INVALID) || dbus_error_is_set (&error)) {
-
- fprintf(stderr, "WARNING: Failed to parse Server.StateChanged signal: %s\n", error.message);
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if ((c = avahi_error_dbus_to_number(e)) != AVAHI_OK)
- avahi_client_set_errno(client, c);
-
- client_set_state(client, (AvahiClientState) state);
-
- } else if (dbus_message_is_signal (message, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "StateChanged")) {
- const char *path;
- AvahiEntryGroup *g;
- path = dbus_message_get_path(message);
-
- for (g = client->groups; g; g = g->groups_next)
- if (strcmp(g->path, path) == 0)
- break;
-
- if (g) {
- int32_t state;
- char *e;
- int c;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_INT32, &state,
- DBUS_TYPE_STRING, &e,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set(&error)) {
-
- fprintf(stderr, "WARNING: Failed to parse EntryGroup.StateChanged signal: %s\n", error.message);
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if ((c = avahi_error_dbus_to_number(e)) != AVAHI_OK)
- avahi_client_set_errno(client, c);
-
- avahi_entry_group_set_state(g, state);
- }
-
- } else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "ItemNew"))
- return avahi_domain_browser_event(client, AVAHI_BROWSER_NEW, message);
- else if (dbus_message_is_signal (message, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "ItemRemove"))
- return avahi_domain_browser_event(client, AVAHI_BROWSER_REMOVE, message);
- else if (dbus_message_is_signal (message, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "CacheExhausted"))
- return avahi_domain_browser_event(client, AVAHI_BROWSER_CACHE_EXHAUSTED, message);
- else if (dbus_message_is_signal (message, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "AllForNow"))
- return avahi_domain_browser_event(client, AVAHI_BROWSER_ALL_FOR_NOW, message);
- else if (dbus_message_is_signal (message, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "Failure"))
- return avahi_domain_browser_event(client, AVAHI_BROWSER_FAILURE, message);
-
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "ItemNew"))
- return avahi_service_type_browser_event (client, AVAHI_BROWSER_NEW, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "ItemRemove"))
- return avahi_service_type_browser_event (client, AVAHI_BROWSER_REMOVE, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "CacheExhausted"))
- return avahi_service_type_browser_event (client, AVAHI_BROWSER_CACHE_EXHAUSTED, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "AllForNow"))
- return avahi_service_type_browser_event (client, AVAHI_BROWSER_ALL_FOR_NOW, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "Failure"))
- return avahi_service_type_browser_event (client, AVAHI_BROWSER_FAILURE, message);
-
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "ItemNew"))
- return avahi_service_browser_event (client, AVAHI_BROWSER_NEW, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "ItemRemove"))
- return avahi_service_browser_event (client, AVAHI_BROWSER_REMOVE, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "CacheExhausted"))
- return avahi_service_browser_event (client, AVAHI_BROWSER_CACHE_EXHAUSTED, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "AllForNow"))
- return avahi_service_browser_event (client, AVAHI_BROWSER_ALL_FOR_NOW, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "Failure"))
- return avahi_service_browser_event (client, AVAHI_BROWSER_FAILURE, message);
-
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Found"))
- return avahi_service_resolver_event (client, AVAHI_RESOLVER_FOUND, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Failure"))
- return avahi_service_resolver_event (client, AVAHI_RESOLVER_FAILURE, message);
-
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Found"))
- return avahi_host_name_resolver_event (client, AVAHI_RESOLVER_FOUND, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Failure"))
- return avahi_host_name_resolver_event (client, AVAHI_RESOLVER_FAILURE, message);
-
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Found"))
- return avahi_address_resolver_event (client, AVAHI_RESOLVER_FOUND, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Failure"))
- return avahi_address_resolver_event (client, AVAHI_RESOLVER_FAILURE, message);
-
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "ItemNew"))
- return avahi_record_browser_event (client, AVAHI_BROWSER_NEW, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "ItemRemove"))
- return avahi_record_browser_event (client, AVAHI_BROWSER_REMOVE, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "CacheExhausted"))
- return avahi_record_browser_event (client, AVAHI_BROWSER_CACHE_EXHAUSTED, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "AllForNow"))
- return avahi_record_browser_event (client, AVAHI_BROWSER_ALL_FOR_NOW, message);
- else if (dbus_message_is_signal(message, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "Failure"))
- return avahi_record_browser_event (client, AVAHI_BROWSER_FAILURE, message);
-
- else {
-
- fprintf(stderr, "WARNING: Unhandled message: interface=%s, path=%s, member=%s\n",
- dbus_message_get_interface(message),
- dbus_message_get_path(message),
- dbus_message_get_member(message));
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
- }
-
- return DBUS_HANDLER_RESULT_HANDLED;
-
-fail:
-
- if (dbus_error_is_set(&error)) {
- avahi_client_set_errno(client, avahi_error_dbus_to_number(error.name));
- dbus_error_free(&error);
- }
-
- client_set_state(client, AVAHI_CLIENT_FAILURE);
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-static int get_server_state(AvahiClient *client, int *ret_error) {
- DBusMessage *message = NULL, *reply = NULL;
- DBusError error;
- int32_t state;
- int e = AVAHI_ERR_NO_MEMORY;
-
- assert(client);
-
- dbus_error_init(&error);
-
- if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "GetState")))
- goto fail;
-
- reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error);
-
- if (!reply || dbus_error_is_set (&error))
- goto fail;
-
- if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INT32, &state, DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error))
- goto fail;
-
- client_set_state(client, (AvahiClientState) state);
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- return AVAHI_OK;
-
-fail:
- if (dbus_error_is_set(&error)) {
- e = avahi_error_dbus_to_number (error.name);
- dbus_error_free(&error);
- }
-
- if (ret_error)
- *ret_error = e;
-
- if (message)
- dbus_message_unref(message);
- if (reply)
- dbus_message_unref(reply);
-
- return e;
-}
-
-static int check_version(AvahiClient *client, int *ret_error) {
- DBusMessage *message = NULL, *reply = NULL;
- DBusError error;
- uint32_t version;
- int e = AVAHI_ERR_NO_MEMORY;
-
- assert(client);
-
- dbus_error_init(&error);
-
- if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "GetAPIVersion")))
- goto fail;
-
- reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error);
-
- if (!reply || dbus_error_is_set (&error)) {
- char *version_str;
-
- if (!dbus_error_is_set(&error) || strcmp(error.name, DBUS_ERROR_UNKNOWN_METHOD))
- goto fail;
-
- /* If the method GetAPIVersion is not known, we look if
- * GetVersionString matches "avahi 0.6" which is the only
- * version we support which doesn't have GetAPIVersion() .*/
-
- dbus_message_unref(message);
- if (reply) dbus_message_unref(reply);
- dbus_error_free(&error);
-
- if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "GetVersionString")))
- goto fail;
-
- reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error);
-
- if (!reply || dbus_error_is_set (&error))
- goto fail;
-
- if (!dbus_message_get_args (reply, &error, DBUS_TYPE_STRING, &version_str, DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error))
- goto fail;
-
- version = strcmp(version_str, "avahi 0.6") == 0 ? 0x0201 : 0x0000;
-
- } else {
-
- if (!dbus_message_get_args (reply, &error, DBUS_TYPE_UINT32, &version, DBUS_TYPE_INVALID) ||
- dbus_error_is_set(&error))
- goto fail;
- }
-
- /*fprintf(stderr, "API Version 0x%04x\n", version);*/
-
- if ((version & 0xFF00) != (AVAHI_CLIENT_DBUS_API_SUPPORTED & 0xFF00) ||
- (version & 0x00FF) < (AVAHI_CLIENT_DBUS_API_SUPPORTED & 0x00FF)) {
- e = AVAHI_ERR_VERSION_MISMATCH;
- goto fail;
- }
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- return AVAHI_OK;
-
-fail:
- if (dbus_error_is_set(&error)) {
- e = avahi_error_dbus_to_number (error.name);
- dbus_error_free(&error);
- }
-
- if (ret_error)
- *ret_error = e;
-
- if (message)
- dbus_message_unref(message);
- if (reply)
- dbus_message_unref(reply);
-
- return e;
-}
-
-static int init_server(AvahiClient *client, int *ret_error) {
- int r;
-
- if ((r = check_version(client, ret_error)) < 0)
- return r;
-
- if ((r = get_server_state(client, ret_error)) < 0)
- return r;
-
- return AVAHI_OK;
-}
-
-/* This function acts like dbus_bus_get but creates a private
- * connection instead. */
-static DBusConnection* avahi_dbus_bus_get(DBusError *error) {
- DBusConnection *c;
-
-#ifdef HAVE_DBUS_BUS_GET_PRIVATE
- if (!(c = dbus_bus_get_private(DBUS_BUS_SYSTEM, error)))
- return NULL;
-
- dbus_connection_set_exit_on_disconnect(c, FALSE);
-#else
- const char *a;
-
- if (!(a = getenv("DBUS_SYSTEM_BUS_ADDRESS")) || !*a)
- a = DBUS_SYSTEM_BUS_DEFAULT_ADDRESS;
-
- if (!(c = dbus_connection_open_private(a, error)))
- return NULL;
-
- dbus_connection_set_exit_on_disconnect(c, FALSE);
-
- if (!dbus_bus_register(c, error)) {
-#ifdef HAVE_DBUS_CONNECTION_CLOSE
- dbus_connection_close(c);
-#else
- dbus_connection_disconnect(c);
-#endif
- dbus_connection_unref(c);
- return NULL;
- }
-#endif
-
- return c;
-}
-
-AvahiClient *avahi_client_new(const AvahiPoll *poll_api, AvahiClientFlags flags, AvahiClientCallback callback, void *userdata, int *ret_error) {
- AvahiClient *client = NULL;
- DBusError error;
- DBusMessage *message = NULL, *reply = NULL;
-
- avahi_init_i18n();
-
- dbus_error_init(&error);
-
- if (!(client = avahi_new(AvahiClient, 1))) {
- if (ret_error)
- *ret_error = AVAHI_ERR_NO_MEMORY;
- goto fail;
- }
-
- client->poll_api = poll_api;
- client->error = AVAHI_OK;
- client->callback = callback;
- client->userdata = userdata;
- client->state = (AvahiClientState) -1;
- client->flags = flags;
-
- client->host_name = NULL;
- client->host_name_fqdn = NULL;
- client->domain_name = NULL;
- client->version_string = NULL;
- client->local_service_cookie_valid = 0;
-
- AVAHI_LLIST_HEAD_INIT(AvahiEntryGroup, client->groups);
- AVAHI_LLIST_HEAD_INIT(AvahiDomainBrowser, client->domain_browsers);
- AVAHI_LLIST_HEAD_INIT(AvahiServiceBrowser, client->service_browsers);
- AVAHI_LLIST_HEAD_INIT(AvahiServiceTypeBrowser, client->service_type_browsers);
- AVAHI_LLIST_HEAD_INIT(AvahiServiceResolver, client->service_resolvers);
- AVAHI_LLIST_HEAD_INIT(AvahiHostNameResolver, client->host_name_resolvers);
- AVAHI_LLIST_HEAD_INIT(AvahiAddressResolver, client->address_resolvers);
- AVAHI_LLIST_HEAD_INIT(AvahiRecordBrowser, client->record_browsers);
-
- if (!(client->bus = avahi_dbus_bus_get(&error)) || dbus_error_is_set(&error)) {
- if (ret_error)
- *ret_error = AVAHI_ERR_DBUS_ERROR;
- goto fail;
- }
-
- if (avahi_dbus_connection_glue(client->bus, poll_api) < 0) {
- if (ret_error)
- *ret_error = AVAHI_ERR_NO_MEMORY; /* Not optimal */
- goto fail;
- }
-
- if (!dbus_connection_add_filter(client->bus, filter_func, client, NULL)) {
- if (ret_error)
- *ret_error = AVAHI_ERR_NO_MEMORY;
- goto fail;
- }
-
- dbus_bus_add_match(
- client->bus,
- "type='signal', "
- "interface='" AVAHI_DBUS_INTERFACE_SERVER "', "
- "sender='" AVAHI_DBUS_NAME "', "
- "path='" AVAHI_DBUS_PATH_SERVER "'",
- &error);
-
- if (dbus_error_is_set(&error))
- goto fail;
-
- dbus_bus_add_match (
- client->bus,
- "type='signal', "
- "interface='" DBUS_INTERFACE_DBUS "', "
- "sender='" DBUS_SERVICE_DBUS "', "
- "path='" DBUS_PATH_DBUS "'",
- &error);
-
- if (dbus_error_is_set(&error))
- goto fail;
-
- dbus_bus_add_match(
- client->bus,
- "type='signal', "
- "interface='" DBUS_INTERFACE_LOCAL "'",
- &error);
-
- if (dbus_error_is_set(&error))
- goto fail;
-
- if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, "org.freedesktop.DBus.Peer", "Ping")))
- goto fail;
-
- reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error);
-
- if (!reply || dbus_error_is_set (&error)) {
- /* We free the error so its not set, that way the fail target
- * will return the NO_DAEMON error rather than a DBUS error */
- dbus_error_free(&error);
-
- if (!(flags & AVAHI_CLIENT_NO_FAIL)) {
-
- if (ret_error)
- *ret_error = AVAHI_ERR_NO_DAEMON;
-
- goto fail;
- }
-
- /* The user doesn't want this call to fail if the daemon is not
- * available, so let's return succesfully */
- client_set_state(client, AVAHI_CLIENT_CONNECTING);
-
- } else {
-
- if (init_server(client, ret_error) < 0)
- goto fail;
- }
-
- dbus_message_unref(message);
-
- if (reply)
- dbus_message_unref(reply);
-
- return client;
-
-fail:
-
- if (message)
- dbus_message_unref(message);
- if (reply)
- dbus_message_unref(reply);
-
- if (client)
- avahi_client_free(client);
-
- if (dbus_error_is_set(&error)) {
-
- if (ret_error) {
- if (strcmp(error.name, DBUS_ERROR_FILE_NOT_FOUND) == 0)
- /* DBUS returns this error when the DBUS daemon is not running */
- *ret_error = AVAHI_ERR_NO_DAEMON;
- else
- *ret_error = avahi_error_dbus_to_number(error.name);
- }
-
- dbus_error_free(&error);
- }
-
- return NULL;
-}
-
-void avahi_client_free(AvahiClient *client) {
- assert(client);
-
- if (client->bus)
- /* Disconnect in advance, so that the free() functions won't
- * issue needless server calls */
-#ifdef HAVE_DBUS_CONNECTION_CLOSE
- dbus_connection_close(client->bus);
-#else
- dbus_connection_disconnect(client->bus);
-#endif
-
- while (client->groups)
- avahi_entry_group_free(client->groups);
-
- while (client->domain_browsers)
- avahi_domain_browser_free(client->domain_browsers);
-
- while (client->service_browsers)
- avahi_service_browser_free(client->service_browsers);
-
- while (client->service_type_browsers)
- avahi_service_type_browser_free(client->service_type_browsers);
-
- while (client->service_resolvers)
- avahi_service_resolver_free(client->service_resolvers);
-
- while (client->host_name_resolvers)
- avahi_host_name_resolver_free(client->host_name_resolvers);
-
- while (client->address_resolvers)
- avahi_address_resolver_free(client->address_resolvers);
-
- while (client->record_browsers)
- avahi_record_browser_free(client->record_browsers);
-
- if (client->bus)
- dbus_connection_unref(client->bus);
-
- avahi_free(client->version_string);
- avahi_free(client->host_name);
- avahi_free(client->host_name_fqdn);
- avahi_free(client->domain_name);
-
- avahi_free(client);
-}
-
-static char* avahi_client_get_string_reply_and_block (AvahiClient *client, const char *method, const char *param) {
- DBusMessage *message = NULL, *reply = NULL;
- DBusError error;
- char *ret, *n;
-
- assert(client);
- assert(method);
-
- dbus_error_init (&error);
-
- if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, method))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (param) {
- if (!dbus_message_append_args (message, DBUS_TYPE_STRING, ¶m, DBUS_TYPE_INVALID)) {
- avahi_client_set_errno (client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
- }
-
- reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error);
-
- if (!reply || dbus_error_is_set (&error))
- goto fail;
-
- if (!dbus_message_get_args (reply, &error, DBUS_TYPE_STRING, &ret, DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error))
- goto fail;
-
- if (!(n = avahi_strdup(ret))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- return n;
-
-fail:
-
- if (message)
- dbus_message_unref(message);
- if (reply)
- dbus_message_unref(reply);
-
- if (dbus_error_is_set(&error)) {
- avahi_client_set_dbus_error(client, &error);
- dbus_error_free(&error);
- }
-
- return NULL;
-}
-
-const char* avahi_client_get_version_string(AvahiClient *client) {
- assert(client);
-
- if (!avahi_client_is_connected(client)) {
- avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
- return NULL;
- }
-
- if (!client->version_string)
- client->version_string = avahi_client_get_string_reply_and_block(client, "GetVersionString", NULL);
-
- return client->version_string;
-}
-
-const char* avahi_client_get_domain_name(AvahiClient *client) {
- assert(client);
-
- if (!avahi_client_is_connected(client)) {
- avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
- return NULL;
- }
-
- if (!client->domain_name)
- client->domain_name = avahi_client_get_string_reply_and_block(client, "GetDomainName", NULL);
-
- return client->domain_name;
-}
-
-const char* avahi_client_get_host_name(AvahiClient *client) {
- assert(client);
-
- if (!avahi_client_is_connected(client)) {
- avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
- return NULL;
- }
-
- if (!client->host_name)
- client->host_name = avahi_client_get_string_reply_and_block(client, "GetHostName", NULL);
-
- return client->host_name;
-}
-
-const char* avahi_client_get_host_name_fqdn (AvahiClient *client) {
- assert(client);
-
- if (!avahi_client_is_connected(client)) {
- avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
- return NULL;
- }
-
- if (!client->host_name_fqdn)
- client->host_name_fqdn = avahi_client_get_string_reply_and_block(client, "GetHostNameFqdn", NULL);
-
- return client->host_name_fqdn;
-}
-
-AvahiClientState avahi_client_get_state(AvahiClient *client) {
- assert(client);
-
- return client->state;
-}
-
-int avahi_client_errno(AvahiClient *client) {
- assert(client);
-
- return client->error;
-}
-
-/* Just for internal use */
-int avahi_client_simple_method_call(AvahiClient *client, const char *path, const char *interface, const char *method) {
- DBusMessage *message = NULL, *reply = NULL;
- DBusError error;
- int r = AVAHI_OK;
-
- dbus_error_init(&error);
-
- assert(client);
- assert(path);
- assert(interface);
- assert(method);
-
- if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, path, interface, 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;
-}
-
-uint32_t avahi_client_get_local_service_cookie(AvahiClient *client) {
- DBusMessage *message = NULL, *reply = NULL;
- DBusError error;
- assert(client);
-
- if (!avahi_client_is_connected(client)) {
- avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
- return AVAHI_SERVICE_COOKIE_INVALID;
- }
-
- if (client->local_service_cookie_valid)
- return client->local_service_cookie;
-
- dbus_error_init (&error);
-
- if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "GetLocalServiceCookie"))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error);
-
- if (!reply || dbus_error_is_set (&error))
- goto fail;
-
- if (!dbus_message_get_args (reply, &error, DBUS_TYPE_UINT32, &client->local_service_cookie, DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error))
- goto fail;
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- client->local_service_cookie_valid = 1;
- return client->local_service_cookie;
-
-fail:
-
- if (message)
- dbus_message_unref(message);
- if (reply)
- dbus_message_unref(reply);
-
- if (dbus_error_is_set(&error)) {
- avahi_client_set_dbus_error(client, &error);
- dbus_error_free(&error);
- }
-
- return AVAHI_SERVICE_COOKIE_INVALID;
-}
-
-int avahi_client_is_connected(AvahiClient *client) {
- assert(client);
-
- return
- client->bus &&
- dbus_connection_get_is_connected(client->bus) &&
- (client->state == AVAHI_CLIENT_S_RUNNING || client->state == AVAHI_CLIENT_S_REGISTERING || client->state == AVAHI_CLIENT_S_COLLISION);
-}
-
-int avahi_client_set_host_name(AvahiClient* client, const char *name) {
- DBusMessage *message = NULL, *reply = NULL;
- DBusError error;
-
- assert(client);
-
- if (!avahi_client_is_connected(client))
- return avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
-
- dbus_error_init (&error);
-
- if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "SetHostName"))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (!dbus_message_append_args (message, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
- avahi_client_set_errno (client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- reply = dbus_connection_send_with_reply_and_block(client->bus, message, -1, &error);
-
- if (!reply || dbus_error_is_set (&error))
- goto fail;
-
- if (!dbus_message_get_args(reply, &error, DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error))
- goto fail;
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- avahi_free(client->host_name);
- client->host_name = NULL;
- avahi_free(client->host_name_fqdn);
- client->host_name_fqdn = NULL;
-
- return 0;
-
-fail:
-
- if (message)
- dbus_message_unref(message);
- if (reply)
- dbus_message_unref(reply);
-
- if (dbus_error_is_set(&error)) {
- avahi_client_set_dbus_error(client, &error);
- dbus_error_free(&error);
- }
-
- return client->error;
-}
projects / catta / blobdiff