4 This file is part of avahi.
6 avahi is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
11 avahi is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
14 Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with avahi; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
27 #include <sys/ioctl.h>
33 #define DBUS_API_SUBJECT_TO_CHANGE
34 #include <dbus/dbus.h>
35 #include <dbus/dbus-glib-lowlevel.h>
37 #include <avahi-core/llist.h>
38 #include <avahi-core/log.h>
39 #include <avahi-core/core.h>
40 #include <avahi-common/dbus.h>
42 #include "dbus-protocol.h"
45 typedef struct Server Server;
46 typedef struct Client Client;
47 typedef struct EntryGroupInfo EntryGroupInfo;
48 typedef struct HostNameResolverInfo HostNameResolverInfo;
49 typedef struct AddressResolverInfo AddressResolverInfo;
50 typedef struct DomainBrowserInfo DomainBrowserInfo;
51 typedef struct ServiceTypeBrowserInfo ServiceTypeBrowserInfo;
52 typedef struct ServiceBrowserInfo ServiceBrowserInfo;
53 typedef struct ServiceResolverInfo ServiceResolverInfo;
55 #define MAX_CLIENTS 20
56 #define MAX_OBJECTS_PER_CLIENT 50
57 #define MAX_ENTRIES_PER_ENTRY_GROUP 20
59 struct EntryGroupInfo {
62 AvahiEntryGroup *entry_group;
67 AVAHI_LLIST_FIELDS(EntryGroupInfo, entry_groups);
70 struct HostNameResolverInfo {
72 AvahiHostNameResolver *host_name_resolver;
75 AVAHI_LLIST_FIELDS(HostNameResolverInfo, host_name_resolvers);
78 struct AddressResolverInfo {
80 AvahiAddressResolver *address_resolver;
83 AVAHI_LLIST_FIELDS(AddressResolverInfo, address_resolvers);
86 struct DomainBrowserInfo {
89 AvahiDomainBrowser *domain_browser;
92 AVAHI_LLIST_FIELDS(DomainBrowserInfo, domain_browsers);
95 struct ServiceTypeBrowserInfo {
98 AvahiServiceTypeBrowser *service_type_browser;
101 AVAHI_LLIST_FIELDS(ServiceTypeBrowserInfo, service_type_browsers);
104 struct ServiceBrowserInfo {
107 AvahiServiceBrowser *service_browser;
110 AVAHI_LLIST_FIELDS(ServiceBrowserInfo, service_browsers);
113 struct ServiceResolverInfo {
115 AvahiServiceResolver *service_resolver;
116 DBusMessage *message;
118 AVAHI_LLIST_FIELDS(ServiceResolverInfo, service_resolvers);
127 AVAHI_LLIST_FIELDS(Client, clients);
128 AVAHI_LLIST_HEAD(EntryGroupInfo, entry_groups);
129 AVAHI_LLIST_HEAD(HostNameResolverInfo, host_name_resolvers);
130 AVAHI_LLIST_HEAD(AddressResolverInfo, address_resolvers);
131 AVAHI_LLIST_HEAD(DomainBrowserInfo, domain_browsers);
132 AVAHI_LLIST_HEAD(ServiceTypeBrowserInfo, service_type_browsers);
133 AVAHI_LLIST_HEAD(ServiceBrowserInfo, service_browsers);
134 AVAHI_LLIST_HEAD(ServiceResolverInfo, service_resolvers);
139 AVAHI_LLIST_HEAD(Client, clients);
144 static Server *server = NULL;
146 static void entry_group_free(EntryGroupInfo *i) {
150 avahi_entry_group_free(i->entry_group);
151 dbus_connection_unregister_object_path(server->bus, i->path);
153 AVAHI_LLIST_REMOVE(EntryGroupInfo, entry_groups, i->client->entry_groups, i);
155 i->client->n_objects--;
156 g_assert(i->client->n_objects >= 0);
161 static void host_name_resolver_free(HostNameResolverInfo *i) {
164 if (i->host_name_resolver)
165 avahi_host_name_resolver_free(i->host_name_resolver);
166 dbus_message_unref(i->message);
167 AVAHI_LLIST_REMOVE(HostNameResolverInfo, host_name_resolvers, i->client->host_name_resolvers, i);
169 i->client->n_objects--;
170 g_assert(i->client->n_objects >= 0);
175 static void address_resolver_free(AddressResolverInfo *i) {
178 if (i->address_resolver)
179 avahi_address_resolver_free(i->address_resolver);
180 dbus_message_unref(i->message);
181 AVAHI_LLIST_REMOVE(AddressResolverInfo, address_resolvers, i->client->address_resolvers, i);
183 i->client->n_objects--;
184 g_assert(i->client->n_objects >= 0);
189 static void domain_browser_free(DomainBrowserInfo *i) {
192 if (i->domain_browser)
193 avahi_domain_browser_free(i->domain_browser);
194 dbus_connection_unregister_object_path(server->bus, i->path);
196 AVAHI_LLIST_REMOVE(DomainBrowserInfo, domain_browsers, i->client->domain_browsers, i);
198 i->client->n_objects--;
199 g_assert(i->client->n_objects >= 0);
204 static void service_type_browser_free(ServiceTypeBrowserInfo *i) {
207 if (i->service_type_browser)
208 avahi_service_type_browser_free(i->service_type_browser);
209 dbus_connection_unregister_object_path(server->bus, i->path);
211 AVAHI_LLIST_REMOVE(ServiceTypeBrowserInfo, service_type_browsers, i->client->service_type_browsers, i);
213 i->client->n_objects--;
214 g_assert(i->client->n_objects >= 0);
219 static void service_browser_free(ServiceBrowserInfo *i) {
222 if (i->service_browser)
223 avahi_service_browser_free(i->service_browser);
224 dbus_connection_unregister_object_path(server->bus, i->path);
226 AVAHI_LLIST_REMOVE(ServiceBrowserInfo, service_browsers, i->client->service_browsers, i);
228 i->client->n_objects--;
229 g_assert(i->client->n_objects >= 0);
234 static void service_resolver_free(ServiceResolverInfo *i) {
237 if (i->service_resolver)
238 avahi_service_resolver_free(i->service_resolver);
239 dbus_message_unref(i->message);
240 AVAHI_LLIST_REMOVE(ServiceResolverInfo, service_resolvers, i->client->service_resolvers, i);
242 i->client->n_objects--;
243 g_assert(i->client->n_objects >= 0);
248 static void client_free(Client *c) {
253 while (c->entry_groups)
254 entry_group_free(c->entry_groups);
256 while (c->host_name_resolvers)
257 host_name_resolver_free(c->host_name_resolvers);
259 while (c->address_resolvers)
260 address_resolver_free(c->address_resolvers);
262 while (c->domain_browsers)
263 domain_browser_free(c->domain_browsers);
265 while (c->service_type_browsers)
266 service_type_browser_free(c->service_type_browsers);
268 while (c->service_browsers)
269 service_browser_free(c->service_browsers);
271 while (c->service_resolvers)
272 service_resolver_free(c->service_resolvers);
274 g_assert(c->n_objects == 0);
277 AVAHI_LLIST_REMOVE(Client, clients, server->clients, c);
280 server->n_clients --;
281 g_assert(server->n_clients >= 0);
284 static Client *client_get(const gchar *name, gboolean create) {
290 for (client = server->clients; client; client = client->clients_next)
291 if (!strcmp(name, client->name))
297 if (server->n_clients >= MAX_CLIENTS)
300 /* If not existant yet, create a new entry */
301 client = g_new(Client, 1);
302 client->id = server->current_id++;
303 client->name = g_strdup(name);
304 client->current_id = 0;
305 client->n_objects = 0;
306 AVAHI_LLIST_HEAD_INIT(EntryGroupInfo, client->entry_groups);
307 AVAHI_LLIST_HEAD_INIT(HostNameResolverInfo, client->host_name_resolvers);
308 AVAHI_LLIST_HEAD_INIT(AddressResolverInfo, client->address_resolvers);
309 AVAHI_LLIST_HEAD_INIT(DomainBrowserInfo, client->domain_browsers);
310 AVAHI_LLIST_HEAD_INIT(ServiceTypeBrowserInfo, client->service_type_browsers);
311 AVAHI_LLIST_HEAD_INIT(ServiceBrowserInfo, client->service_browsers);
312 AVAHI_LLIST_HEAD_INIT(ServiceResolverInfo, client->service_resolvers);
314 AVAHI_LLIST_PREPEND(Client, clients, server->clients, client);
317 g_assert(server->n_clients > 0);
322 static DBusHandlerResult respond_error(DBusConnection *c, DBusMessage *m, const gchar *error, const gchar *text) {
325 reply = dbus_message_new_error(m, error, text);
326 dbus_connection_send(c, reply, NULL);
327 dbus_message_unref(reply);
329 return DBUS_HANDLER_RESULT_HANDLED;
332 static DBusHandlerResult respond_string(DBusConnection *c, DBusMessage *m, const gchar *text) {
335 reply = dbus_message_new_method_return(m);
336 dbus_message_append_args(reply, DBUS_TYPE_STRING, &text, DBUS_TYPE_INVALID);
337 dbus_connection_send(c, reply, NULL);
338 dbus_message_unref(reply);
340 return DBUS_HANDLER_RESULT_HANDLED;
343 static DBusHandlerResult respond_int32(DBusConnection *c, DBusMessage *m, gint32 i) {
346 reply = dbus_message_new_method_return(m);
347 dbus_message_append_args(reply, DBUS_TYPE_INT32, &i, DBUS_TYPE_INVALID);
348 dbus_connection_send(c, reply, NULL);
349 dbus_message_unref(reply);
351 return DBUS_HANDLER_RESULT_HANDLED;
354 static DBusHandlerResult respond_ok(DBusConnection *c, DBusMessage *m) {
357 reply = dbus_message_new_method_return(m);
358 dbus_connection_send(c, reply, NULL);
359 dbus_message_unref(reply);
361 return DBUS_HANDLER_RESULT_HANDLED;
364 static DBusHandlerResult respond_path(DBusConnection *c, DBusMessage *m, const gchar *path) {
367 reply = dbus_message_new_method_return(m);
368 dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID);
369 dbus_connection_send(c, reply, NULL);
370 dbus_message_unref(reply);
372 return DBUS_HANDLER_RESULT_HANDLED;
375 static DBusHandlerResult handle_introspect(DBusConnection *c, DBusMessage *m, const gchar *fname) {
378 GError *gerror = NULL;
385 dbus_error_init(&error);
387 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
388 avahi_log_warn("Error parsing Introspect message: %s", error.message);
392 path = g_strdup_printf("%s/%s", AVAHI_DBUS_INTROSPECTION_DIR, fname);
394 if (!(g_file_get_contents(path, &contents, NULL, &gerror))) {
395 avahi_log_warn("Failed to load introspection data: %s", gerror->message);
396 g_error_free(gerror);
403 respond_string(c, m, contents);
406 return DBUS_HANDLER_RESULT_HANDLED;
409 if (dbus_error_is_set(&error))
410 dbus_error_free(&error);
412 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
416 static DBusHandlerResult msg_signal_filter_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
417 GMainLoop *loop = userdata;
420 dbus_error_init(&error);
422 /* avahi_log_debug("dbus: interface=%s, path=%s, member=%s", */
423 /* dbus_message_get_interface(m), */
424 /* dbus_message_get_path(m), */
425 /* dbus_message_get_member(m)); */
427 if (dbus_message_is_signal(m, DBUS_INTERFACE_LOCAL, "Disconnected")) {
428 /* No, we shouldn't quit, but until we get somewhere
429 * usefull such that we can restore our state, we will */
430 avahi_log_warn("Disconnnected from d-bus, terminating...");
431 g_main_loop_quit (loop);
432 return DBUS_HANDLER_RESULT_HANDLED;
434 } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameAcquired")) {
437 if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
438 avahi_log_warn("Error parsing NameAcquired message");
442 /* avahi_log_info("dbus: name acquired (%s)", name); */
443 return DBUS_HANDLER_RESULT_HANDLED;
445 } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
446 gchar *name, *old, *new;
448 if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &old, DBUS_TYPE_STRING, &new, DBUS_TYPE_INVALID)) {
449 avahi_log_warn("Error parsing NameOwnerChanged message");
456 if ((client = client_get(name, FALSE))) {
457 /* avahi_log_info("dbus: client %s vanished", name); */
464 if (dbus_error_is_set(&error))
465 dbus_error_free(&error);
467 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
471 static void entry_group_callback(AvahiServer *s, AvahiEntryGroup *g, AvahiEntryGroupState state, gpointer userdata) {
472 EntryGroupInfo *i = userdata;
480 m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "StateChanged");
482 dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_INVALID);
483 dbus_message_set_destination(m, i->client->name);
484 dbus_connection_send(server->bus, m, NULL);
485 dbus_message_unref(m);
488 static DBusHandlerResult msg_entry_group_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
490 EntryGroupInfo *i = userdata;
496 dbus_error_init(&error);
498 avahi_log_debug("dbus: interface=%s, path=%s, member=%s",
499 dbus_message_get_interface(m),
500 dbus_message_get_path(m),
501 dbus_message_get_member(m));
504 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
505 return handle_introspect(c, m, "EntryGroup.introspect");
508 if (strcmp(dbus_message_get_sender(m), i->client->name))
509 return respond_error(c, m, DBUS_ERROR_ACCESS_DENIED, NULL);
511 if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Free")) {
513 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
514 avahi_log_warn("Error parsing EntryGroup::Free message");
519 return respond_ok(c, m);
521 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Commit")) {
523 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
524 avahi_log_warn("Error parsing EntryGroup::Commit message");
528 avahi_entry_group_commit(i->entry_group);
529 return respond_ok(c, m);
532 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Reset")) {
534 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
535 avahi_log_warn("Error parsing EntryGroup::Reset message");
539 avahi_entry_group_reset(i->entry_group);
540 return respond_ok(c, m);
542 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "IsEmpty")) {
546 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
547 avahi_log_warn("Error parsing EntryGroup::IsEmpty message");
551 b = avahi_entry_group_is_empty(i->entry_group);
553 reply = dbus_message_new_method_return(m);
554 dbus_message_append_args(m, DBUS_TYPE_BOOLEAN, &b, DBUS_TYPE_INVALID);
555 dbus_connection_send(c, reply, NULL);
556 dbus_message_unref(reply);
558 return DBUS_HANDLER_RESULT_HANDLED;
560 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "GetState")) {
562 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
563 avahi_log_warn("Error parsing EntryGroup::GetState message");
567 return respond_int32(c, m, (gint32) avahi_entry_group_get_state(i->entry_group));
569 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddService")) {
570 gint32 interface, protocol;
571 gchar *type, *name, *domain, *host;
575 AvahiStringList *strlst;
577 if (!dbus_message_get_args(
579 DBUS_TYPE_INT32, &interface,
580 DBUS_TYPE_INT32, &protocol,
581 DBUS_TYPE_STRING, &name,
582 DBUS_TYPE_STRING, &type,
583 DBUS_TYPE_STRING, &domain,
584 DBUS_TYPE_STRING, &host,
585 DBUS_TYPE_UINT16, &port,
586 DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, &txt, &txt_len,
587 DBUS_TYPE_INVALID) || !type || !*type || !name || !*name || !port) {
588 avahi_log_warn("Error parsing EntryGroup::AddService message");
592 if (i->n_entries >= MAX_ENTRIES_PER_ENTRY_GROUP) {
593 avahi_log_warn("Too many entries per entry group, client request failed.");
594 dbus_free_string_array(txt);
595 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_ENTRIES, NULL);
598 strlst = avahi_string_list_new_from_array((const gchar**) txt, txt_len);
599 dbus_free_string_array(txt);
601 if (domain && !*domain)
607 if (avahi_server_add_service_strlst(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, host, port, strlst) < 0) {
608 avahi_log_warn("Failed to add service: %s", name);
609 avahi_string_list_free(strlst);
610 return respond_error(c, m, AVAHI_DBUS_ERROR_INVALID_SERVICE, NULL);
614 avahi_string_list_free(strlst);
616 return respond_ok(c, m);
618 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddAddress")) {
619 gint32 interface, protocol;
620 gchar *name, *address;
623 if (!dbus_message_get_args(
625 DBUS_TYPE_INT32, &interface,
626 DBUS_TYPE_INT32, &protocol,
627 DBUS_TYPE_STRING, &name,
628 DBUS_TYPE_STRING, &address,
629 DBUS_TYPE_INVALID) || !name || !*name || !address || !*address) {
630 avahi_log_warn("Error parsing EntryGroup::AddAddress message");
634 if (i->n_entries >= MAX_ENTRIES_PER_ENTRY_GROUP) {
635 avahi_log_warn("Too many entries per entry group, client request failed.");
636 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_ENTRIES, NULL);
639 if (!(avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))) {
640 avahi_log_warn("Error parsing address data");
641 return respond_error(c, m, AVAHI_DBUS_ERROR_INVALID_ADDRESS, NULL);
644 if (avahi_server_add_address(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, 0, name, &a) < 0) {
645 avahi_log_warn("Failed to add service: %s", name);
646 return respond_error(c, m, AVAHI_DBUS_ERROR_INVALID_ADDRESS, NULL);
650 return respond_ok(c, m);
653 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
656 if (dbus_error_is_set(&error))
657 dbus_error_free(&error);
659 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
662 static void host_name_resolver_callback(AvahiHostNameResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const gchar *host_name, const AvahiAddress *a, gpointer userdata) {
663 HostNameResolverInfo *i = userdata;
670 if (event == AVAHI_RESOLVER_FOUND) {
671 char t[256], *pt = t;
672 gint32 i_interface, i_protocol, i_aprotocol;
675 avahi_address_snprint(t, sizeof(t), a);
677 i_interface = (gint32) interface;
678 i_protocol = (gint32) protocol;
679 i_aprotocol = (gint32) a->family;
681 reply = dbus_message_new_method_return(i->message);
682 dbus_message_append_args(
684 DBUS_TYPE_INT32, &i_interface,
685 DBUS_TYPE_INT32, &i_protocol,
686 DBUS_TYPE_STRING, &host_name,
687 DBUS_TYPE_INT32, &i_aprotocol,
688 DBUS_TYPE_STRING, &pt,
692 g_assert(event == AVAHI_RESOLVER_TIMEOUT);
693 reply = dbus_message_new_error(i->message, AVAHI_DBUS_ERROR_TIMEOUT, NULL);
696 dbus_connection_send(server->bus, reply, NULL);
697 dbus_message_unref(reply);
699 host_name_resolver_free(i);
702 static void address_resolver_callback(AvahiAddressResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const AvahiAddress *address, const gchar *host_name, gpointer userdata) {
703 AddressResolverInfo *i = userdata;
710 if (event == AVAHI_RESOLVER_FOUND) {
711 char t[256], *pt = t;
712 gint32 i_interface, i_protocol, i_aprotocol;
715 avahi_address_snprint(t, sizeof(t), address);
717 i_interface = (gint32) interface;
718 i_protocol = (gint32) protocol;
719 i_aprotocol = (gint32) address->family;
721 reply = dbus_message_new_method_return(i->message);
722 dbus_message_append_args(
724 DBUS_TYPE_INT32, &i_interface,
725 DBUS_TYPE_INT32, &i_protocol,
726 DBUS_TYPE_INT32, &i_aprotocol,
727 DBUS_TYPE_STRING, &pt,
728 DBUS_TYPE_STRING, &host_name,
732 g_assert(event == AVAHI_RESOLVER_TIMEOUT);
733 reply = dbus_message_new_error(i->message, AVAHI_DBUS_ERROR_TIMEOUT, NULL);
736 dbus_connection_send(server->bus, reply, NULL);
737 dbus_message_unref(reply);
739 address_resolver_free(i);
742 static DBusHandlerResult msg_domain_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
744 DomainBrowserInfo *i = userdata;
750 dbus_error_init(&error);
752 avahi_log_debug("dbus: interface=%s, path=%s, member=%s",
753 dbus_message_get_interface(m),
754 dbus_message_get_path(m),
755 dbus_message_get_member(m));
758 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
759 return handle_introspect(c, m, "DomainBrowser.introspect");
762 if (strcmp(dbus_message_get_sender(m), i->client->name))
763 return respond_error(c, m, DBUS_ERROR_ACCESS_DENIED, NULL);
765 if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "Free")) {
767 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
768 avahi_log_warn("Error parsing DomainBrowser::Free message");
772 domain_browser_free(i);
773 return respond_ok(c, m);
777 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
780 if (dbus_error_is_set(&error))
781 dbus_error_free(&error);
783 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
786 static void domain_browser_callback(AvahiDomainBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const gchar *domain, gpointer userdata) {
787 DomainBrowserInfo *i = userdata;
789 gint32 i_interface, i_protocol;
795 i_interface = (gint32) interface;
796 i_protocol = (gint32) protocol;
798 m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, event == AVAHI_BROWSER_NEW ? "ItemNew" : "ItemRemove");
799 dbus_message_append_args(
801 DBUS_TYPE_INT32, &i_interface,
802 DBUS_TYPE_INT32, &i_protocol,
803 DBUS_TYPE_STRING, &domain,
805 dbus_message_set_destination(m, i->client->name);
806 dbus_connection_send(server->bus, m, NULL);
807 dbus_message_unref(m);
810 static DBusHandlerResult msg_service_type_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
812 ServiceTypeBrowserInfo *i = userdata;
818 dbus_error_init(&error);
820 avahi_log_debug("dbus: interface=%s, path=%s, member=%s",
821 dbus_message_get_interface(m),
822 dbus_message_get_path(m),
823 dbus_message_get_member(m));
826 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
827 return handle_introspect(c, m, "ServiceTypeBrowser.introspect");
830 if (strcmp(dbus_message_get_sender(m), i->client->name))
831 return respond_error(c, m, DBUS_ERROR_ACCESS_DENIED, NULL);
833 if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "Free")) {
835 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
836 avahi_log_warn("Error parsing ServiceTypeBrowser::Free message");
840 service_type_browser_free(i);
841 return respond_ok(c, m);
845 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
848 if (dbus_error_is_set(&error))
849 dbus_error_free(&error);
851 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
854 static void service_type_browser_callback(AvahiServiceTypeBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const gchar *type, const gchar *domain, gpointer userdata) {
855 ServiceTypeBrowserInfo *i = userdata;
857 gint32 i_interface, i_protocol;
864 i_interface = (gint32) interface;
865 i_protocol = (gint32) protocol;
867 m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, event == AVAHI_BROWSER_NEW ? "ItemNew" : "ItemRemove");
868 dbus_message_append_args(
870 DBUS_TYPE_INT32, &i_interface,
871 DBUS_TYPE_INT32, &i_protocol,
872 DBUS_TYPE_STRING, &type,
873 DBUS_TYPE_STRING, &domain,
875 dbus_message_set_destination(m, i->client->name);
876 dbus_connection_send(server->bus, m, NULL);
877 dbus_message_unref(m);
880 static DBusHandlerResult msg_service_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
882 ServiceBrowserInfo *i = userdata;
888 dbus_error_init(&error);
890 avahi_log_debug("dbus: interface=%s, path=%s, member=%s",
891 dbus_message_get_interface(m),
892 dbus_message_get_path(m),
893 dbus_message_get_member(m));
896 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
897 return handle_introspect(c, m, "ServiceBrowser.introspect");
900 if (strcmp(dbus_message_get_sender(m), i->client->name))
901 return respond_error(c, m, DBUS_ERROR_ACCESS_DENIED, NULL);
903 if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "Free")) {
905 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
906 avahi_log_warn("Error parsing ServiceBrowser::Free message");
910 service_browser_free(i);
911 return respond_ok(c, m);
915 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
918 if (dbus_error_is_set(&error))
919 dbus_error_free(&error);
921 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
924 static void service_browser_callback(AvahiServiceBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const gchar *name, const gchar *type, const gchar *domain, gpointer userdata) {
925 ServiceBrowserInfo *i = userdata;
927 gint32 i_interface, i_protocol;
935 i_interface = (gint32) interface;
936 i_protocol = (gint32) protocol;
938 m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, event == AVAHI_BROWSER_NEW ? "ItemNew" : "ItemRemove");
939 dbus_message_append_args(
941 DBUS_TYPE_INT32, &i_interface,
942 DBUS_TYPE_INT32, &i_protocol,
943 DBUS_TYPE_STRING, &name,
944 DBUS_TYPE_STRING, &type,
945 DBUS_TYPE_STRING, &domain,
947 dbus_message_set_destination(m, i->client->name);
948 dbus_connection_send(server->bus, m, NULL);
949 dbus_message_unref(m);
952 static void service_resolver_callback(
953 AvahiServiceResolver *r,
954 AvahiIfIndex interface,
955 AvahiProtocol protocol,
956 AvahiResolverEvent event,
960 const gchar *host_name,
961 const AvahiAddress *a,
963 AvahiStringList *txt,
966 ServiceResolverInfo *i = userdata;
972 if (event == AVAHI_RESOLVER_FOUND) {
973 char t[256], *pt = t;
974 gint32 i_interface, i_protocol, i_aprotocol;
982 avahi_address_snprint(t, sizeof(t), a);
984 i_interface = (gint32) interface;
985 i_protocol = (gint32) protocol;
986 i_aprotocol = (gint32) a->family;
988 array = g_new(gchar*, (n = avahi_string_list_length(txt)));
990 /** FIXME: DBUS doesn't support strings that include NUL bytes (?) */
991 for (p = txt, j = n-1; p; p = p->next, j--)
992 array[j] = g_strndup((gchar*) p->text, p->size);
994 reply = dbus_message_new_method_return(i->message);
995 dbus_message_append_args(
997 DBUS_TYPE_INT32, &i_interface,
998 DBUS_TYPE_INT32, &i_protocol,
999 DBUS_TYPE_STRING, &name,
1000 DBUS_TYPE_STRING, &type,
1001 DBUS_TYPE_STRING, &domain,
1002 DBUS_TYPE_STRING, &host_name,
1003 DBUS_TYPE_INT32, &i_aprotocol,
1004 DBUS_TYPE_STRING, &pt,
1005 DBUS_TYPE_UINT16, &port,
1006 DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, &array, n,
1009 for (j = 0; j < n; j++)
1013 g_assert(event == AVAHI_RESOLVER_TIMEOUT);
1014 reply = dbus_message_new_error(i->message, AVAHI_DBUS_ERROR_TIMEOUT, NULL);
1017 dbus_connection_send(server->bus, reply, NULL);
1018 dbus_message_unref(reply);
1020 service_resolver_free(i);
1024 static DBusHandlerResult msg_server_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
1027 dbus_error_init(&error);
1029 avahi_log_debug("dbus: interface=%s, path=%s, member=%s",
1030 dbus_message_get_interface(m),
1031 dbus_message_get_path(m),
1032 dbus_message_get_member(m));
1034 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
1035 return handle_introspect(c, m, "Server.introspect");
1037 else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostName")) {
1039 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
1040 avahi_log_warn("Error parsing Server::GetHostName message");
1044 return respond_string(c, m, avahi_server_get_host_name(avahi_server));
1046 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetDomainName")) {
1048 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
1049 avahi_log_warn("Error parsing Server::GetDomainName message");
1053 return respond_string(c, m, avahi_server_get_domain_name(avahi_server));
1055 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostNameFqdn")) {
1057 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
1058 avahi_log_warn("Error parsing Server::GetHostNameFqdn message");
1062 return respond_string(c, m, avahi_server_get_host_name_fqdn(avahi_server));
1064 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetVersionString")) {
1066 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
1067 avahi_log_warn("Error parsing Server::GetVersionString message");
1071 return respond_string(c, m, PACKAGE_STRING);
1073 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetState")) {
1075 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
1076 avahi_log_warn("Error parsing Server::GetState message");
1080 return respond_int32(c, m, (gint32) avahi_server_get_state(avahi_server));
1082 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceNameByIndex")) {
1087 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INT32, &idx, DBUS_TYPE_INVALID))) {
1088 avahi_log_warn("Error parsing Server::GetNetworkInterfaceNameByIndex message");
1092 if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
1094 g_snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
1095 return respond_error(c, m, AVAHI_DBUS_ERROR_OS, txt);
1098 memset(&ifr, 0, sizeof(ifr));
1099 ifr.ifr_ifindex = idx;
1101 if (ioctl(fd, SIOCGIFNAME, &ifr) < 0) {
1103 g_snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
1105 return respond_error(c, m, AVAHI_DBUS_ERROR_OS, txt);
1110 return respond_string(c, m, ifr.ifr_name);
1112 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceIndexByName")) {
1117 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n || !*n) {
1118 avahi_log_warn("Error parsing Server::GetNetworkInterfaceIndexByName message");
1122 if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
1124 g_snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
1125 return respond_error(c, m, AVAHI_DBUS_ERROR_OS, txt);
1128 memset(&ifr, 0, sizeof(ifr));
1129 g_snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s", n);
1131 if (ioctl(fd, SIOCGIFINDEX, &ifr) < 0) {
1133 g_snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
1135 return respond_error(c, m, AVAHI_DBUS_ERROR_OS, txt);
1140 return respond_int32(c, m, ifr.ifr_ifindex);
1142 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeHostName")) {
1145 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n || !*n) {
1146 avahi_log_warn("Error parsing Server::GetAlternativeHostName message");
1150 t = avahi_alternative_host_name(n);
1151 respond_string(c, m, t);
1154 return DBUS_HANDLER_RESULT_HANDLED;
1156 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeServiceName")) {
1159 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n || !*n) {
1160 avahi_log_warn("Error parsing Server::GetAlternativeServiceName message");
1164 t = avahi_alternative_service_name(n);
1165 respond_string(c, m, t);
1168 return DBUS_HANDLER_RESULT_HANDLED;
1170 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "EntryGroupNew")) {
1173 static const DBusObjectPathVTable vtable = {
1175 msg_entry_group_impl,
1182 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
1183 avahi_log_warn("Error parsing Server::EntryGroupNew message");
1187 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
1188 avahi_log_warn("Too many clients, client request failed.");
1189 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_CLIENTS, NULL);
1192 if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
1193 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
1194 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_OBJECTS, NULL);
1197 i = g_new(EntryGroupInfo, 1);
1198 i->id = ++client->current_id;
1200 i->path = g_strdup_printf("/Client%u/EntryGroup%u", client->id, i->id);
1202 AVAHI_LLIST_PREPEND(EntryGroupInfo, entry_groups, client->entry_groups, i);
1203 client->n_objects++;
1205 if (!(i->entry_group = avahi_entry_group_new(avahi_server, entry_group_callback, i))) {
1206 avahi_log_warn("Failed to create entry group");
1207 entry_group_free(i);
1211 dbus_connection_register_object_path(c, i->path, &vtable, i);
1212 return respond_path(c, m, i->path);
1214 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveHostName")) {
1216 gint32 interface, protocol, aprotocol;
1218 HostNameResolverInfo *i;
1220 if (!dbus_message_get_args(
1222 DBUS_TYPE_INT32, &interface,
1223 DBUS_TYPE_INT32, &protocol,
1224 DBUS_TYPE_STRING, &name,
1225 DBUS_TYPE_INT32, &aprotocol,
1226 DBUS_TYPE_INVALID) || !name || !*name) {
1227 avahi_log_warn("Error parsing Server::ResolveHostName message");
1231 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
1232 avahi_log_warn("Too many clients, client request failed.");
1233 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_CLIENTS, NULL);
1236 if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
1237 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
1238 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_OBJECTS, NULL);
1241 i = g_new(HostNameResolverInfo, 1);
1243 i->message = dbus_message_ref(m);
1244 AVAHI_LLIST_PREPEND(HostNameResolverInfo, host_name_resolvers, client->host_name_resolvers, i);
1245 client->n_objects++;
1247 if (!(i->host_name_resolver = avahi_host_name_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, (AvahiProtocol) aprotocol, host_name_resolver_callback, i))) {
1248 host_name_resolver_free(i);
1249 avahi_log_warn("Failed to create host name resolver");
1253 return DBUS_HANDLER_RESULT_HANDLED;
1255 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveAddress")) {
1257 gint32 interface, protocol;
1259 AddressResolverInfo *i;
1262 if (!dbus_message_get_args(
1264 DBUS_TYPE_INT32, &interface,
1265 DBUS_TYPE_INT32, &protocol,
1266 DBUS_TYPE_STRING, &address,
1267 DBUS_TYPE_INVALID) || !address || !*address) {
1268 avahi_log_warn("Error parsing Server::ResolveAddress message");
1272 if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a)) {
1273 avahi_log_warn("Error parsing address data");
1274 return respond_error(c, m, AVAHI_DBUS_ERROR_INVALID_ADDRESS, NULL);
1277 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
1278 avahi_log_warn("Too many clients, client request failed.");
1279 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_CLIENTS, NULL);
1282 if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
1283 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
1284 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_OBJECTS, NULL);
1287 i = g_new(AddressResolverInfo, 1);
1289 i->message = dbus_message_ref(m);
1290 AVAHI_LLIST_PREPEND(AddressResolverInfo, address_resolvers, client->address_resolvers, i);
1291 client->n_objects++;
1293 if (!(i->address_resolver = avahi_address_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, &a, address_resolver_callback, i))) {
1294 address_resolver_free(i);
1295 avahi_log_warn("Failed to create address resolver");
1299 return DBUS_HANDLER_RESULT_HANDLED;
1301 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew")) {
1303 DomainBrowserInfo *i;
1304 static const DBusObjectPathVTable vtable = {
1306 msg_domain_browser_impl,
1312 gint32 interface, protocol, type;
1316 if (!dbus_message_get_args(
1318 DBUS_TYPE_INT32, &interface,
1319 DBUS_TYPE_INT32, &protocol,
1320 DBUS_TYPE_STRING, &domain,
1321 DBUS_TYPE_INT32, &type,
1322 DBUS_TYPE_INVALID) || type < 0 || type >= AVAHI_DOMAIN_BROWSER_MAX) {
1323 avahi_log_warn("Error parsing Server::DomainBrowserNew message");
1327 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
1328 avahi_log_warn("Too many clients, client request failed.");
1329 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_CLIENTS, NULL);
1332 if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
1333 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
1334 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_OBJECTS, NULL);
1340 i = g_new(DomainBrowserInfo, 1);
1341 i->id = ++client->current_id;
1343 i->path = g_strdup_printf("/Client%u/DomainBrowser%u", client->id, i->id);
1344 AVAHI_LLIST_PREPEND(DomainBrowserInfo, domain_browsers, client->domain_browsers, i);
1345 client->n_objects++;
1347 if (!(i->domain_browser = avahi_domain_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, (AvahiDomainBrowserType) type, domain_browser_callback, i))) {
1348 avahi_log_warn("Failed to create domain browser");
1349 domain_browser_free(i);
1353 dbus_connection_register_object_path(c, i->path, &vtable, i);
1354 return respond_path(c, m, i->path);
1356 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceTypeBrowserNew")) {
1358 ServiceTypeBrowserInfo *i;
1359 static const DBusObjectPathVTable vtable = {
1361 msg_service_type_browser_impl,
1367 gint32 interface, protocol;
1370 if (!dbus_message_get_args(
1372 DBUS_TYPE_INT32, &interface,
1373 DBUS_TYPE_INT32, &protocol,
1374 DBUS_TYPE_STRING, &domain,
1375 DBUS_TYPE_INVALID)) {
1376 avahi_log_warn("Error parsing Server::ServiceTypeBrowserNew message");
1380 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
1381 avahi_log_warn("Too many clients, client request failed.");
1382 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_CLIENTS, NULL);
1386 if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
1387 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
1388 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_OBJECTS, NULL);
1394 i = g_new(ServiceTypeBrowserInfo, 1);
1395 i->id = ++client->current_id;
1397 i->path = g_strdup_printf("/Client%u/ServiceTypeBrowser%u", client->id, i->id);
1398 AVAHI_LLIST_PREPEND(ServiceTypeBrowserInfo, service_type_browsers, client->service_type_browsers, i);
1399 client->n_objects++;
1401 if (!(i->service_type_browser = avahi_service_type_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, service_type_browser_callback, i))) {
1402 avahi_log_warn("Failed to create service type browser");
1403 service_type_browser_free(i);
1407 dbus_connection_register_object_path(c, i->path, &vtable, i);
1408 return respond_path(c, m, i->path);
1410 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew")) {
1412 ServiceBrowserInfo *i;
1413 static const DBusObjectPathVTable vtable = {
1415 msg_service_browser_impl,
1421 gint32 interface, protocol;
1422 gchar *domain, *type;
1424 if (!dbus_message_get_args(
1426 DBUS_TYPE_INT32, &interface,
1427 DBUS_TYPE_INT32, &protocol,
1428 DBUS_TYPE_STRING, &type,
1429 DBUS_TYPE_STRING, &domain,
1430 DBUS_TYPE_INVALID) || !type || !*type) {
1431 avahi_log_warn("Error parsing Server::ServiceBrowserNew message");
1435 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
1436 avahi_log_warn("Too many clients, client request failed.");
1437 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_CLIENTS, NULL);
1441 if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
1442 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
1443 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_OBJECTS, NULL);
1449 i = g_new(ServiceBrowserInfo, 1);
1450 i->id = ++client->current_id;
1452 i->path = g_strdup_printf("/Client%u/ServiceBrowser%u", client->id, i->id);
1453 AVAHI_LLIST_PREPEND(ServiceBrowserInfo, service_browsers, client->service_browsers, i);
1454 client->n_objects++;
1456 if (!(i->service_browser = avahi_service_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, type, domain, service_browser_callback, i))) {
1457 avahi_log_warn("Failed to create service browser");
1458 service_browser_free(i);
1462 dbus_connection_register_object_path(c, i->path, &vtable, i);
1463 return respond_path(c, m, i->path);
1465 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveService")) {
1467 gint32 interface, protocol, aprotocol;
1468 gchar *name, *type, *domain;
1469 ServiceResolverInfo *i;
1471 if (!dbus_message_get_args(
1473 DBUS_TYPE_INT32, &interface,
1474 DBUS_TYPE_INT32, &protocol,
1475 DBUS_TYPE_STRING, &name,
1476 DBUS_TYPE_STRING, &type,
1477 DBUS_TYPE_STRING, &domain,
1478 DBUS_TYPE_INT32, &aprotocol,
1479 DBUS_TYPE_INVALID) || !name || !*name || !type || !*type) {
1480 avahi_log_warn("Error parsing Server::ResolveService message");
1484 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
1485 avahi_log_warn("Too many clients, client request failed.");
1486 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_CLIENTS, NULL);
1489 if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
1490 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
1491 return respond_error(c, m, AVAHI_DBUS_ERROR_TOO_MANY_OBJECTS, NULL);
1497 i = g_new(ServiceResolverInfo, 1);
1499 i->message = dbus_message_ref(m);
1500 AVAHI_LLIST_PREPEND(ServiceResolverInfo, service_resolvers, client->service_resolvers, i);
1501 client->n_objects++;
1503 if (!(i->service_resolver = avahi_service_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, (AvahiProtocol) aprotocol, service_resolver_callback, i))) {
1504 service_resolver_free(i);
1505 avahi_log_warn("Failed to create service resolver");
1509 return DBUS_HANDLER_RESULT_HANDLED;
1512 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
1515 if (dbus_error_is_set(&error))
1516 dbus_error_free(&error);
1518 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1521 void dbus_protocol_server_state_changed(AvahiServerState state) {
1528 m = dbus_message_new_signal(AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "StateChanged");
1530 dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_INVALID);
1531 dbus_connection_send(server->bus, m, NULL);
1532 dbus_message_unref(m);
1535 int dbus_protocol_setup(GMainLoop *loop) {
1538 static const DBusObjectPathVTable server_vtable = {
1547 dbus_error_init(&error);
1549 server = g_malloc(sizeof(Server));
1550 server->clients = NULL;
1551 server->current_id = 0;
1552 server->n_clients = 0;
1554 server->bus = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
1555 if (dbus_error_is_set(&error)) {
1556 avahi_log_warn("dbus_bus_get(): %s", error.message);
1560 dbus_connection_setup_with_g_main(server->bus, NULL);
1561 dbus_connection_set_exit_on_disconnect(server->bus, FALSE);
1563 dbus_bus_request_name(server->bus, AVAHI_DBUS_NAME, 0, &error);
1564 if (dbus_error_is_set(&error)) {
1565 avahi_log_warn("dbus_bus_request_name(): %s", error.message);
1569 dbus_bus_add_match(server->bus, "type='signal',""interface='" DBUS_INTERFACE_DBUS "'", &error);
1571 dbus_connection_add_filter(server->bus, msg_signal_filter_impl, loop, NULL);
1572 dbus_connection_register_object_path(server->bus, AVAHI_DBUS_PATH_SERVER, &server_vtable, NULL);
1578 dbus_connection_disconnect(server->bus);
1579 dbus_connection_unref(server->bus);
1582 dbus_error_free (&error);
1588 void dbus_protocol_shutdown(void) {
1592 while (server->clients)
1593 client_free(server->clients);
1595 g_assert(server->n_clients == 0);
1598 dbus_connection_disconnect(server->bus);
1599 dbus_connection_unref(server->bus);