+++ /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-client/client.h>
-#include <avahi-common/dbus.h>
-#include <avahi-common/llist.h>
-#include <avahi-common/error.h>
-#include <avahi-common/malloc.h>
-
-#include "client.h"
-#include "internal.h"
-
-/* AvahiServiceResolver implementation */
-
-DBusHandlerResult avahi_service_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
- AvahiServiceResolver *r = NULL;
- DBusError error;
- const char *path;
- AvahiStringList *strlst = NULL;
-
- assert(client);
- assert(message);
-
- dbus_error_init (&error);
-
- if (!(path = dbus_message_get_path(message)))
- goto fail;
-
- for (r = client->service_resolvers; r; r = r->service_resolvers_next)
- if (strcmp (r->path, path) == 0)
- break;
-
- if (!r)
- goto fail;
-
- switch (event) {
- case AVAHI_RESOLVER_FOUND: {
- int j;
- int32_t interface, protocol, aprotocol;
- uint32_t flags;
- char *name, *type, *domain, *host, *address;
- uint16_t port;
- DBusMessageIter iter, sub;
- AvahiAddress a;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_INT32, &interface,
- DBUS_TYPE_INT32, &protocol,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &type,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_STRING, &host,
- DBUS_TYPE_INT32, &aprotocol,
- DBUS_TYPE_STRING, &address,
- DBUS_TYPE_UINT16, &port,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error)) {
-
- fprintf(stderr, "Failed to parse resolver event.\n");
- goto fail;
- }
-
- dbus_message_iter_init(message, &iter);
-
- for (j = 0; j < 9; j++)
- dbus_message_iter_next(&iter);
-
- if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_ARRAY) {
- fprintf(stderr, "Error parsing service resolving message\n");
- goto fail;
- }
-
- strlst = NULL;
- dbus_message_iter_recurse(&iter, &sub);
-
- for (;;) {
- DBusMessageIter sub2;
- int at;
- const uint8_t *k;
- int n;
-
- if ((at = dbus_message_iter_get_arg_type(&sub)) == DBUS_TYPE_INVALID)
- break;
-
- assert(at == DBUS_TYPE_ARRAY);
-
- if (dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_BYTE) {
- fprintf(stderr, "Error parsing service resolving message\n");
- goto fail;
- }
-
- dbus_message_iter_recurse(&sub, &sub2);
-
- k = NULL; n = 0;
- dbus_message_iter_get_fixed_array(&sub2, &k, &n);
- if (k && n > 0)
- strlst = avahi_string_list_add_arbitrary(strlst, k, n);
-
- dbus_message_iter_next(&sub);
- }
-
- dbus_message_iter_next(&iter);
-
- if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) {
- fprintf(stderr, "Failed to parse resolver event.\n");
- goto fail;
- }
-
- dbus_message_iter_get_basic(&iter, &flags);
-
- assert(address);
-
- if (address[0] == 0)
- address = NULL;
- else
- avahi_address_parse(address, (AvahiProtocol) aprotocol, &a);
-
- r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, type, domain, host, address ? &a : NULL, port, strlst, (AvahiLookupResultFlags) flags, r->userdata);
-
- avahi_string_list_free(strlst);
- break;
- }
-
- case AVAHI_RESOLVER_FAILURE: {
- char *etxt;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_STRING, &etxt,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error)) {
- fprintf(stderr, "Failed to parse resolver event.\n");
- goto fail;
- }
-
- avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
- r->callback(r, r->interface, r->protocol, event, r->name, r->type, r->domain, NULL, NULL, 0, NULL, 0, r->userdata);
- break;
- }
- }
-
- return DBUS_HANDLER_RESULT_HANDLED;
-
-
-fail:
- dbus_error_free (&error);
- avahi_string_list_free(strlst);
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-AvahiServiceResolver * avahi_service_resolver_new(
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *name,
- const char *type,
- const char *domain,
- AvahiProtocol aprotocol,
- AvahiLookupFlags flags,
- AvahiServiceResolverCallback callback,
- void *userdata) {
-
- DBusError error;
- AvahiServiceResolver *r = NULL;
- DBusMessage *message = NULL, *reply = NULL;
- int32_t i_interface, i_protocol, i_aprotocol;
- uint32_t u_flags;
- char *path;
-
- assert(client);
- assert(type);
-
- if (!domain)
- domain = "";
-
- if (!name)
- name = "";
-
- dbus_error_init (&error);
-
- if (!avahi_client_is_connected(client)) {
- avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
- goto fail;
- }
-
- if (!(r = avahi_new(AvahiServiceResolver, 1))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- r->client = client;
- r->callback = callback;
- r->userdata = userdata;
- r->path = NULL;
- r->name = r->type = r->domain = NULL;
- r->interface = interface;
- r->protocol = protocol;
-
- AVAHI_LLIST_PREPEND(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
-
- if (name && name[0])
- if (!(r->name = avahi_strdup(name))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (!(r->type = avahi_strdup(type))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (domain && domain[0])
- if (!(r->domain = avahi_strdup(domain))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
-
- if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew"))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- i_interface = (int32_t) interface;
- i_protocol = (int32_t) protocol;
- i_aprotocol = (int32_t) aprotocol;
- u_flags = (uint32_t) flags;
-
- if (!(dbus_message_append_args(
- message,
- DBUS_TYPE_INT32, &i_interface,
- DBUS_TYPE_INT32, &i_protocol,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &type,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_INT32, &i_aprotocol,
- DBUS_TYPE_UINT32, &u_flags,
- DBUS_TYPE_INVALID))) {
- 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) ||
- !path) {
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (!(r->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;
- }
-
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- return r;
-
-fail:
-
- if (dbus_error_is_set(&error)) {
- avahi_client_set_dbus_error(client, &error);
- dbus_error_free(&error);
- }
-
- if (r)
- avahi_service_resolver_free(r);
-
- if (message)
- dbus_message_unref(message);
-
- if (reply)
- dbus_message_unref(reply);
-
- return NULL;
-
-}
-
-AvahiClient* avahi_service_resolver_get_client (AvahiServiceResolver *r) {
- assert (r);
-
- return r->client;
-}
-
-int avahi_service_resolver_free(AvahiServiceResolver *r) {
- AvahiClient *client;
- int ret = AVAHI_OK;
-
- assert(r);
- client = r->client;
-
- if (r->path && avahi_client_is_connected(client))
- ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Free");
-
- AVAHI_LLIST_REMOVE(AvahiServiceResolver, service_resolvers, client->service_resolvers, r);
-
- avahi_free(r->path);
- avahi_free(r->name);
- avahi_free(r->type);
- avahi_free(r->domain);
- avahi_free(r);
-
- return ret;
-}
-
-/* AvahiHostNameResolver implementation */
-
-DBusHandlerResult avahi_host_name_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
- AvahiHostNameResolver *r = NULL;
- DBusError error;
- const char *path;
-
- assert(client);
- assert(message);
-
- dbus_error_init (&error);
-
- if (!(path = dbus_message_get_path(message)))
- goto fail;
-
- for (r = client->host_name_resolvers; r; r = r->host_name_resolvers_next)
- if (strcmp (r->path, path) == 0)
- break;
-
- if (!r)
- goto fail;
-
- switch (event) {
- case AVAHI_RESOLVER_FOUND: {
- int32_t interface, protocol, aprotocol;
- uint32_t flags;
- char *name, *address;
- AvahiAddress a;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_INT32, &interface,
- DBUS_TYPE_INT32, &protocol,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_INT32, &aprotocol,
- DBUS_TYPE_STRING, &address,
- DBUS_TYPE_UINT32, &flags,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error)) {
- fprintf(stderr, "Failed to parse resolver event.\n");
- goto fail;
- }
-
- assert(address);
- if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
- fprintf(stderr, "Failed to parse address\n");
- goto fail;
- }
-
- r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, name, &a, (AvahiLookupResultFlags) flags, r->userdata);
- break;
- }
-
- case AVAHI_RESOLVER_FAILURE: {
- char *etxt;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_STRING, &etxt,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error)) {
- fprintf(stderr, "Failed to parse resolver event.\n");
- goto fail;
- }
-
- avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
- r->callback(r, r->interface, r->protocol, event, r->host_name, NULL, 0, r->userdata);
- break;
- }
- }
-
- return DBUS_HANDLER_RESULT_HANDLED;
-
-fail:
- dbus_error_free (&error);
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-
-AvahiHostNameResolver * avahi_host_name_resolver_new(
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const char *name,
- AvahiProtocol aprotocol,
- AvahiLookupFlags flags,
- AvahiHostNameResolverCallback callback,
- void *userdata) {
-
- DBusError error;
- AvahiHostNameResolver *r = NULL;
- DBusMessage *message = NULL, *reply = NULL;
- int32_t i_interface, i_protocol, i_aprotocol;
- uint32_t u_flags;
- char *path;
-
- assert(client);
- assert(name);
-
- dbus_error_init (&error);
-
- if (!avahi_client_is_connected(client)) {
- avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
- goto fail;
- }
-
- if (!(r = avahi_new(AvahiHostNameResolver, 1))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- r->client = client;
- r->callback = callback;
- r->userdata = userdata;
- r->path = NULL;
- r->interface = interface;
- r->protocol = protocol;
- r->host_name = NULL;
-
- AVAHI_LLIST_PREPEND(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r);
-
- if (!(r->host_name = avahi_strdup(name))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew"))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- i_interface = (int32_t) interface;
- i_protocol = (int32_t) protocol;
- i_aprotocol = (int32_t) aprotocol;
- u_flags = (uint32_t) flags;
-
- if (!(dbus_message_append_args(
- message,
- DBUS_TYPE_INT32, &i_interface,
- DBUS_TYPE_INT32, &i_protocol,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_INT32, &i_aprotocol,
- DBUS_TYPE_UINT32, &u_flags,
- DBUS_TYPE_INVALID))) {
- 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) ||
- !path) {
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (!(r->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;
- }
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- return r;
-
-fail:
-
- if (dbus_error_is_set(&error)) {
- avahi_client_set_dbus_error(client, &error);
- dbus_error_free(&error);
- }
-
- if (r)
- avahi_host_name_resolver_free(r);
-
- if (message)
- dbus_message_unref(message);
-
- if (reply)
- dbus_message_unref(reply);
-
- return NULL;
-
-}
-
-int avahi_host_name_resolver_free(AvahiHostNameResolver *r) {
- int ret = AVAHI_OK;
- AvahiClient *client;
-
- assert(r);
- client = r->client;
-
- if (r->path && avahi_client_is_connected(client))
- ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Free");
-
- AVAHI_LLIST_REMOVE(AvahiHostNameResolver, host_name_resolvers, client->host_name_resolvers, r);
-
- avahi_free(r->path);
- avahi_free(r->host_name);
- avahi_free(r);
-
- return ret;
-}
-
-AvahiClient* avahi_host_name_resolver_get_client (AvahiHostNameResolver *r) {
- assert (r);
-
- return r->client;
-}
-
-/* AvahiAddressResolver implementation */
-
-DBusHandlerResult avahi_address_resolver_event (AvahiClient *client, AvahiResolverEvent event, DBusMessage *message) {
- AvahiAddressResolver *r = NULL;
- DBusError error;
- const char *path;
-
- assert(client);
- assert(message);
-
- dbus_error_init (&error);
-
- if (!(path = dbus_message_get_path(message)))
- goto fail;
-
- for (r = client->address_resolvers; r; r = r->address_resolvers_next)
- if (strcmp (r->path, path) == 0)
- break;
-
- if (!r)
- goto fail;
-
- switch (event) {
- case AVAHI_RESOLVER_FOUND: {
- int32_t interface, protocol, aprotocol;
- uint32_t flags;
- char *name, *address;
- AvahiAddress a;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_INT32, &interface,
- DBUS_TYPE_INT32, &protocol,
- DBUS_TYPE_INT32, &aprotocol,
- DBUS_TYPE_STRING, &address,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_UINT32, &flags,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error)) {
- fprintf(stderr, "Failed to parse resolver event.\n");
- goto fail;
- }
-
- assert(address);
- if (!avahi_address_parse(address, (AvahiProtocol) aprotocol, &a)) {
- fprintf(stderr, "Failed to parse address\n");
- goto fail;
- }
-
- r->callback(r, (AvahiIfIndex) interface, (AvahiProtocol) protocol, AVAHI_RESOLVER_FOUND, &a, name, (AvahiLookupResultFlags) flags, r->userdata);
- break;
- }
-
- case AVAHI_RESOLVER_FAILURE: {
- char *etxt;
-
- if (!dbus_message_get_args(
- message, &error,
- DBUS_TYPE_STRING, &etxt,
- DBUS_TYPE_INVALID) ||
- dbus_error_is_set (&error)) {
- fprintf(stderr, "Failed to parse resolver event.\n");
- goto fail;
- }
-
- avahi_client_set_errno(r->client, avahi_error_dbus_to_number(etxt));
- r->callback(r, r->interface, r->protocol, event, &r->address, NULL, 0, r->userdata);
- break;
- }
- }
-
- return DBUS_HANDLER_RESULT_HANDLED;
-
-fail:
- dbus_error_free (&error);
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-AvahiAddressResolver * avahi_address_resolver_new(
- AvahiClient *client,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- const AvahiAddress *a,
- AvahiLookupFlags flags,
- AvahiAddressResolverCallback callback,
- void *userdata) {
-
- DBusError error;
- AvahiAddressResolver *r = NULL;
- DBusMessage *message = NULL, *reply = NULL;
- int32_t i_interface, i_protocol;
- uint32_t u_flags;
- char *path;
- char addr[AVAHI_ADDRESS_STR_MAX], *address = addr;
-
- assert(client);
- assert(a);
-
- dbus_error_init (&error);
-
- if (!avahi_address_snprint (addr, sizeof(addr), a)) {
- avahi_client_set_errno(client, AVAHI_ERR_INVALID_ADDRESS);
- return NULL;
- }
-
- if (!avahi_client_is_connected(client)) {
- avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
- goto fail;
- }
-
- if (!(r = avahi_new(AvahiAddressResolver, 1))) {
- avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
- goto fail;
- }
-
- r->client = client;
- r->callback = callback;
- r->userdata = userdata;
- r->path = NULL;
- r->interface = interface;
- r->protocol = protocol;
- r->address = *a;
-
- AVAHI_LLIST_PREPEND(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);
-
- if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew"))) {
- 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_STRING, &address,
- DBUS_TYPE_UINT32, &u_flags,
- DBUS_TYPE_INVALID))) {
- 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) ||
- !path) {
- avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
- goto fail;
- }
-
- if (!(r->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;
- }
-
- dbus_message_unref(message);
- dbus_message_unref(reply);
-
- return r;
-
-fail:
-
- if (dbus_error_is_set(&error)) {
- avahi_client_set_dbus_error(client, &error);
- dbus_error_free(&error);
- }
-
- if (r)
- avahi_address_resolver_free(r);
-
- if (message)
- dbus_message_unref(message);
-
- if (reply)
- dbus_message_unref(reply);
-
- return NULL;
-
-}
-
-AvahiClient* avahi_address_resolver_get_client (AvahiAddressResolver *r) {
- assert (r);
-
- return r->client;
-}
-
-int avahi_address_resolver_free(AvahiAddressResolver *r) {
- AvahiClient *client;
- int ret = AVAHI_OK;
-
- assert(r);
- client = r->client;
-
- if (r->path && avahi_client_is_connected(client))
- ret = avahi_client_simple_method_call(client, r->path, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Free");
-
- AVAHI_LLIST_REMOVE(AvahiAddressResolver, address_resolvers, client->address_resolvers, r);
-
- avahi_free(r->path);
- avahi_free(r);
-
- return ret;
-}
-
projects / catta / blobdiff