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
29 #define DBUS_API_SUBJECT_TO_CHANGE
30 #include <dbus/dbus.h>
31 #include <dbus/dbus-glib-lowlevel.h>
33 #include <avahi-core/llist.h>
34 #include <avahi-core/log.h>
35 #include <avahi-core/core.h>
36 #include <avahi-common/dbus.h>
38 #include "dbus-protocol.h"
41 /* Include generated introspection data */
42 #include "server-introspect-xml.c"
44 typedef struct Server Server;
45 typedef struct Client Client;
46 typedef struct EntryGroupInfo EntryGroupInfo;
47 typedef struct HostNameResolverInfo HostNameResolverInfo;
48 typedef struct AddressResolverInfo AddressResolverInfo;
49 typedef struct DomainBrowserInfo DomainBrowserInfo;
50 typedef struct ServiceTypeBrowserInfo ServiceTypeBrowserInfo;
51 typedef struct ServiceBrowserInfo ServiceBrowserInfo;
52 typedef struct ServiceResolverInfo ServiceResolverInfo;
54 struct EntryGroupInfo {
57 AvahiEntryGroup *entry_group;
60 AVAHI_LLIST_FIELDS(EntryGroupInfo, entry_groups);
63 struct HostNameResolverInfo {
65 AvahiHostNameResolver *host_name_resolver;
68 AVAHI_LLIST_FIELDS(HostNameResolverInfo, host_name_resolvers);
71 struct AddressResolverInfo {
73 AvahiAddressResolver *address_resolver;
76 AVAHI_LLIST_FIELDS(AddressResolverInfo, address_resolvers);
79 struct DomainBrowserInfo {
82 AvahiDomainBrowser *domain_browser;
85 AVAHI_LLIST_FIELDS(DomainBrowserInfo, domain_browsers);
88 struct ServiceTypeBrowserInfo {
91 AvahiServiceTypeBrowser *service_type_browser;
94 AVAHI_LLIST_FIELDS(ServiceTypeBrowserInfo, service_type_browsers);
97 struct ServiceBrowserInfo {
100 AvahiServiceBrowser *service_browser;
103 AVAHI_LLIST_FIELDS(ServiceBrowserInfo, service_browsers);
106 struct ServiceResolverInfo {
108 AvahiServiceResolver *service_resolver;
109 DBusMessage *message;
111 AVAHI_LLIST_FIELDS(ServiceResolverInfo, service_resolvers);
119 AVAHI_LLIST_FIELDS(Client, clients);
120 AVAHI_LLIST_HEAD(EntryGroupInfo, entry_groups);
121 AVAHI_LLIST_HEAD(HostNameResolverInfo, host_name_resolvers);
122 AVAHI_LLIST_HEAD(AddressResolverInfo, address_resolvers);
123 AVAHI_LLIST_HEAD(DomainBrowserInfo, domain_browsers);
124 AVAHI_LLIST_HEAD(ServiceTypeBrowserInfo, service_type_browsers);
125 AVAHI_LLIST_HEAD(ServiceBrowserInfo, service_browsers);
126 AVAHI_LLIST_HEAD(ServiceResolverInfo, service_resolvers);
131 AVAHI_LLIST_HEAD(Client, clients);
135 static Server *server = NULL;
137 static void entry_group_free(EntryGroupInfo *i) {
141 avahi_entry_group_free(i->entry_group);
142 dbus_connection_unregister_object_path(server->bus, i->path);
144 AVAHI_LLIST_REMOVE(EntryGroupInfo, entry_groups, i->client->entry_groups, i);
148 static void host_name_resolver_free(HostNameResolverInfo *i) {
151 if (i->host_name_resolver)
152 avahi_host_name_resolver_free(i->host_name_resolver);
153 dbus_message_unref(i->message);
154 AVAHI_LLIST_REMOVE(HostNameResolverInfo, host_name_resolvers, i->client->host_name_resolvers, i);
158 static void address_resolver_free(AddressResolverInfo *i) {
161 if (i->address_resolver)
162 avahi_address_resolver_free(i->address_resolver);
163 dbus_message_unref(i->message);
164 AVAHI_LLIST_REMOVE(AddressResolverInfo, address_resolvers, i->client->address_resolvers, i);
168 static void domain_browser_free(DomainBrowserInfo *i) {
171 if (i->domain_browser)
172 avahi_domain_browser_free(i->domain_browser);
173 dbus_connection_unregister_object_path(server->bus, i->path);
175 AVAHI_LLIST_REMOVE(DomainBrowserInfo, domain_browsers, i->client->domain_browsers, i);
179 static void service_type_browser_free(ServiceTypeBrowserInfo *i) {
182 if (i->service_type_browser)
183 avahi_service_type_browser_free(i->service_type_browser);
184 dbus_connection_unregister_object_path(server->bus, i->path);
186 AVAHI_LLIST_REMOVE(ServiceTypeBrowserInfo, service_type_browsers, i->client->service_type_browsers, i);
190 static void service_browser_free(ServiceBrowserInfo *i) {
193 if (i->service_browser)
194 avahi_service_browser_free(i->service_browser);
195 dbus_connection_unregister_object_path(server->bus, i->path);
197 AVAHI_LLIST_REMOVE(ServiceBrowserInfo, service_browsers, i->client->service_browsers, i);
201 static void service_resolver_free(ServiceResolverInfo *i) {
204 if (i->service_resolver)
205 avahi_service_resolver_free(i->service_resolver);
206 dbus_message_unref(i->message);
207 AVAHI_LLIST_REMOVE(ServiceResolverInfo, service_resolvers, i->client->service_resolvers, i);
211 static void client_free(Client *c) {
216 while (c->entry_groups)
217 entry_group_free(c->entry_groups);
219 while (c->host_name_resolvers)
220 host_name_resolver_free(c->host_name_resolvers);
222 while (c->address_resolvers)
223 address_resolver_free(c->address_resolvers);
225 while (c->domain_browsers)
226 domain_browser_free(c->domain_browsers);
228 while (c->service_type_browsers)
229 service_type_browser_free(c->service_type_browsers);
231 while (c->service_browsers)
232 service_browser_free(c->service_browsers);
234 while (c->service_resolvers)
235 service_resolver_free(c->service_resolvers);
238 AVAHI_LLIST_REMOVE(Client, clients, server->clients, c);
242 static Client *client_get(const gchar *name, gboolean create) {
248 for (client = server->clients; client; client = client->clients_next)
249 if (!strcmp(name, client->name))
255 /* If not existant yet, create a new entry */
256 client = g_new(Client, 1);
257 client->id = server->current_id++;
258 client->name = g_strdup(name);
259 client->current_id = 0;
260 AVAHI_LLIST_HEAD_INIT(EntryGroupInfo, client->entry_groups);
261 AVAHI_LLIST_HEAD_INIT(HostNameResolverInfo, client->host_name_resolvers);
262 AVAHI_LLIST_HEAD_INIT(AddressResolverInfo, client->address_resolvers);
263 AVAHI_LLIST_HEAD_INIT(DomainBrowserInfo, client->domain_browsers);
264 AVAHI_LLIST_HEAD_INIT(ServiceTypeBrowserInfo, client->service_type_browsers);
265 AVAHI_LLIST_HEAD_INIT(ServiceBrowserInfo, client->service_browsers);
266 AVAHI_LLIST_HEAD_INIT(ServiceResolverInfo, client->service_resolvers);
268 AVAHI_LLIST_PREPEND(Client, clients, server->clients, client);
272 static DBusHandlerResult respond_error(DBusConnection *c, DBusMessage *m, const gchar *error, const gchar *text) {
275 reply = dbus_message_new_error(m, error, text);
276 dbus_connection_send(c, reply, NULL);
277 dbus_message_unref(reply);
279 return DBUS_HANDLER_RESULT_HANDLED;
282 static DBusHandlerResult respond_string(DBusConnection *c, DBusMessage *m, const gchar *text) {
285 reply = dbus_message_new_method_return(m);
286 dbus_message_append_args(reply, DBUS_TYPE_STRING, &text, DBUS_TYPE_INVALID);
287 dbus_connection_send(c, reply, NULL);
288 dbus_message_unref(reply);
290 return DBUS_HANDLER_RESULT_HANDLED;
293 static DBusHandlerResult respond_ok(DBusConnection *c, DBusMessage *m) {
296 reply = dbus_message_new_method_return(m);
297 dbus_connection_send(c, reply, NULL);
298 dbus_message_unref(reply);
300 return DBUS_HANDLER_RESULT_HANDLED;
303 static DBusHandlerResult respond_path(DBusConnection *c, DBusMessage *m, const gchar *path) {
306 reply = dbus_message_new_method_return(m);
307 dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID);
308 dbus_connection_send(c, reply, NULL);
309 dbus_message_unref(reply);
311 return DBUS_HANDLER_RESULT_HANDLED;
314 static DBusHandlerResult msg_signal_filter_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
315 GMainLoop *loop = userdata;
318 dbus_error_init(&error);
320 /* avahi_log_debug("dbus: interface=%s, path=%s, member=%s", */
321 /* dbus_message_get_interface(m), */
322 /* dbus_message_get_path(m), */
323 /* dbus_message_get_member(m)); */
325 if (dbus_message_is_signal(m, DBUS_INTERFACE_LOCAL, "Disconnected")) {
326 /* No, we shouldn't quit, but until we get somewhere
327 * usefull such that we can restore our state, we will */
328 avahi_log_warn("Disconnnected from d-bus, terminating...");
329 g_main_loop_quit (loop);
330 return DBUS_HANDLER_RESULT_HANDLED;
332 } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameAcquired")) {
335 if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
336 avahi_log_warn("Error parsing NameAcquired message");
340 /* avahi_log_info("dbus: name acquired (%s)", name); */
341 return DBUS_HANDLER_RESULT_HANDLED;
343 } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
344 gchar *name, *old, *new;
346 if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &old, DBUS_TYPE_STRING, &new, DBUS_TYPE_INVALID)) {
347 avahi_log_warn("Error parsing NameOwnerChanged message");
354 if ((client = client_get(name, FALSE))) {
355 /* avahi_log_info("dbus: client %s vanished", name); */
362 if (dbus_error_is_set(&error))
363 dbus_error_free(&error);
365 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
369 static void entry_group_callback(AvahiServer *s, AvahiEntryGroup *g, AvahiEntryGroupState state, gpointer userdata) {
370 EntryGroupInfo *i = userdata;
378 m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "StateChanged");
380 dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_INVALID);
381 dbus_message_set_destination(m, i->client->name);
382 dbus_connection_send(server->bus, m, NULL);
383 dbus_message_unref(m);
386 static DBusHandlerResult msg_entry_group_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
388 EntryGroupInfo *i = userdata;
394 dbus_error_init(&error);
396 avahi_log_debug("dbus: interface=%s, path=%s, member=%s",
397 dbus_message_get_interface(m),
398 dbus_message_get_path(m),
399 dbus_message_get_member(m));
402 if (strcmp(dbus_message_get_sender(m), i->client->name))
403 return respond_error(c, m, DBUS_ERROR_ACCESS_DENIED, NULL);
405 if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Free")) {
407 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
408 avahi_log_warn("Error parsing EntryGroup::Free message");
413 return respond_ok(c, m);
415 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Commit")) {
417 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
418 avahi_log_warn("Error parsing EntryGroup::Commit message");
422 avahi_entry_group_commit(i->entry_group);
423 return respond_ok(c, m);
425 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "GetState")) {
429 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
430 avahi_log_warn("Error parsing EntryGroup::GetState message");
434 t = (gint32) avahi_entry_group_get_state(i->entry_group);
435 reply = dbus_message_new_method_return(m);
436 dbus_message_append_args(reply, DBUS_TYPE_INT32, &t, DBUS_TYPE_INVALID);
437 dbus_connection_send(c, reply, NULL);
438 dbus_message_unref(reply);
440 return DBUS_HANDLER_RESULT_HANDLED;
442 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddService")) {
443 gint32 interface, protocol;
444 gchar *type, *name, *domain, *host;
448 AvahiStringList *strlst;
450 if (!dbus_message_get_args(
452 DBUS_TYPE_INT32, &interface,
453 DBUS_TYPE_INT32, &protocol,
454 DBUS_TYPE_STRING, &name,
455 DBUS_TYPE_STRING, &type,
456 DBUS_TYPE_STRING, &domain,
457 DBUS_TYPE_STRING, &host,
458 DBUS_TYPE_UINT16, &port,
459 DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, &txt, &txt_len,
460 DBUS_TYPE_INVALID) || !type || !*type || !name || !*name || !port) {
461 avahi_log_warn("Error parsing EntryGroup::AddService message");
465 strlst = avahi_string_list_new_from_array((const gchar**) txt, txt_len);
466 dbus_free_string_array(txt);
468 if (domain && !*domain)
474 if (avahi_server_add_service_strlst(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, host, port, strlst) < 0) {
475 avahi_log_warn("Failed to add service: %s", name);
476 return respond_error(c, m, "org.freedesktop.Avahi.InvalidServiceError", NULL);
478 /* avahi_log_info("Successfully added service: %s", name); */
480 return respond_ok(c, m);
482 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddAddress")) {
483 gint32 interface, protocol;
484 gchar *name, *address;
487 if (!dbus_message_get_args(
489 DBUS_TYPE_INT32, &interface,
490 DBUS_TYPE_INT32, &protocol,
491 DBUS_TYPE_STRING, &name,
492 DBUS_TYPE_STRING, &address,
493 DBUS_TYPE_INVALID) || !name || !*name || !address || !*address) {
494 avahi_log_warn("Error parsing EntryGroup::AddAddress message");
498 if (!(avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))) {
499 avahi_log_warn("Error parsing address data");
500 return respond_error(c, m, "org.freedesktop.Avahi.InvalidAddressError", NULL);
503 if (avahi_server_add_address(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, 0, name, &a) < 0) {
504 avahi_log_warn("Failed to add service: %s", name);
505 return respond_error(c, m, "org.freedesktop.Avahi.InvalidAddressError", NULL);
507 /* avahi_log_info("Successfully added address: %s -> %s", name, address); */
509 return respond_ok(c, m);
512 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
515 if (dbus_error_is_set(&error))
516 dbus_error_free(&error);
518 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
521 static void host_name_resolver_callback(AvahiHostNameResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const gchar *host_name, const AvahiAddress *a, gpointer userdata) {
522 HostNameResolverInfo *i = userdata;
529 if (event == AVAHI_RESOLVER_FOUND) {
530 char t[256], *pt = t;
531 gint32 i_interface, i_protocol, i_aprotocol;
534 avahi_address_snprint(t, sizeof(t), a);
536 i_interface = (gint32) interface;
537 i_protocol = (gint32) protocol;
538 i_aprotocol = (gint32) a->family;
540 reply = dbus_message_new_method_return(i->message);
541 dbus_message_append_args(
543 DBUS_TYPE_INT32, &i_interface,
544 DBUS_TYPE_INT32, &i_protocol,
545 DBUS_TYPE_STRING, &host_name,
546 DBUS_TYPE_INT32, &i_aprotocol,
547 DBUS_TYPE_STRING, &pt,
551 g_assert(event == AVAHI_RESOLVER_TIMEOUT);
552 reply = dbus_message_new_error(i->message, "org.freedesktop.Avahi.TimeoutError", NULL);
555 dbus_connection_send(server->bus, reply, NULL);
556 dbus_message_unref(reply);
558 host_name_resolver_free(i);
561 static void address_resolver_callback(AvahiAddressResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const AvahiAddress *address, const gchar *host_name, gpointer userdata) {
562 AddressResolverInfo *i = userdata;
569 if (event == AVAHI_RESOLVER_FOUND) {
570 char t[256], *pt = t;
571 gint32 i_interface, i_protocol, i_aprotocol;
574 avahi_address_snprint(t, sizeof(t), address);
576 i_interface = (gint32) interface;
577 i_protocol = (gint32) protocol;
578 i_aprotocol = (gint32) address->family;
580 reply = dbus_message_new_method_return(i->message);
581 dbus_message_append_args(
583 DBUS_TYPE_INT32, &i_interface,
584 DBUS_TYPE_INT32, &i_protocol,
585 DBUS_TYPE_INT32, &i_aprotocol,
586 DBUS_TYPE_STRING, &pt,
587 DBUS_TYPE_STRING, &host_name,
591 g_assert(event == AVAHI_RESOLVER_TIMEOUT);
592 reply = dbus_message_new_error(i->message, "org.freedesktop.Avahi.TimeoutError", NULL);
595 dbus_connection_send(server->bus, reply, NULL);
596 dbus_message_unref(reply);
598 address_resolver_free(i);
601 static DBusHandlerResult msg_domain_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
603 DomainBrowserInfo *i = userdata;
609 dbus_error_init(&error);
611 avahi_log_debug("dbus: interface=%s, path=%s, member=%s",
612 dbus_message_get_interface(m),
613 dbus_message_get_path(m),
614 dbus_message_get_member(m));
617 if (strcmp(dbus_message_get_sender(m), i->client->name))
618 return respond_error(c, m, DBUS_ERROR_ACCESS_DENIED, NULL);
620 if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "Free")) {
622 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
623 avahi_log_warn("Error parsing DomainBrowser::Free message");
627 domain_browser_free(i);
628 return respond_ok(c, m);
632 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
635 if (dbus_error_is_set(&error))
636 dbus_error_free(&error);
638 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
641 static void domain_browser_callback(AvahiDomainBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const gchar *domain, gpointer userdata) {
642 DomainBrowserInfo *i = userdata;
644 gint32 i_interface, i_protocol;
650 i_interface = (gint32) interface;
651 i_protocol = (gint32) protocol;
653 m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, event == AVAHI_BROWSER_NEW ? "ItemNew" : "ItemRemove");
654 dbus_message_append_args(
656 DBUS_TYPE_INT32, &i_interface,
657 DBUS_TYPE_INT32, &i_protocol,
658 DBUS_TYPE_STRING, &domain,
660 dbus_message_set_destination(m, i->client->name);
661 dbus_connection_send(server->bus, m, NULL);
662 dbus_message_unref(m);
665 static DBusHandlerResult msg_service_type_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
667 ServiceTypeBrowserInfo *i = userdata;
673 dbus_error_init(&error);
675 avahi_log_debug("dbus: interface=%s, path=%s, member=%s",
676 dbus_message_get_interface(m),
677 dbus_message_get_path(m),
678 dbus_message_get_member(m));
681 if (strcmp(dbus_message_get_sender(m), i->client->name))
682 return respond_error(c, m, DBUS_ERROR_ACCESS_DENIED, NULL);
684 if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "Free")) {
686 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
687 avahi_log_warn("Error parsing ServiceTypeBrowser::Free message");
691 service_type_browser_free(i);
692 return respond_ok(c, m);
696 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
699 if (dbus_error_is_set(&error))
700 dbus_error_free(&error);
702 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
705 static void service_type_browser_callback(AvahiServiceTypeBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const gchar *type, const gchar *domain, gpointer userdata) {
706 ServiceTypeBrowserInfo *i = userdata;
708 gint32 i_interface, i_protocol;
715 i_interface = (gint32) interface;
716 i_protocol = (gint32) protocol;
718 m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, event == AVAHI_BROWSER_NEW ? "ItemNew" : "ItemRemove");
719 dbus_message_append_args(
721 DBUS_TYPE_INT32, &i_interface,
722 DBUS_TYPE_INT32, &i_protocol,
723 DBUS_TYPE_STRING, &type,
724 DBUS_TYPE_STRING, &domain,
726 dbus_message_set_destination(m, i->client->name);
727 dbus_connection_send(server->bus, m, NULL);
728 dbus_message_unref(m);
731 static DBusHandlerResult msg_service_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
733 ServiceBrowserInfo *i = userdata;
739 dbus_error_init(&error);
741 avahi_log_debug("dbus: interface=%s, path=%s, member=%s",
742 dbus_message_get_interface(m),
743 dbus_message_get_path(m),
744 dbus_message_get_member(m));
747 if (strcmp(dbus_message_get_sender(m), i->client->name))
748 return respond_error(c, m, DBUS_ERROR_ACCESS_DENIED, NULL);
750 if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "Free")) {
752 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
753 avahi_log_warn("Error parsing ServiceBrowser::Free message");
757 service_browser_free(i);
758 return respond_ok(c, m);
762 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
765 if (dbus_error_is_set(&error))
766 dbus_error_free(&error);
768 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
771 static void service_browser_callback(AvahiServiceBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const gchar *name, const gchar *type, const gchar *domain, gpointer userdata) {
772 ServiceBrowserInfo *i = userdata;
774 gint32 i_interface, i_protocol;
782 i_interface = (gint32) interface;
783 i_protocol = (gint32) protocol;
785 m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, event == AVAHI_BROWSER_NEW ? "ItemNew" : "ItemRemove");
786 dbus_message_append_args(
788 DBUS_TYPE_INT32, &i_interface,
789 DBUS_TYPE_INT32, &i_protocol,
790 DBUS_TYPE_STRING, &name,
791 DBUS_TYPE_STRING, &type,
792 DBUS_TYPE_STRING, &domain,
794 dbus_message_set_destination(m, i->client->name);
795 dbus_connection_send(server->bus, m, NULL);
796 dbus_message_unref(m);
799 static void service_resolver_callback(
800 AvahiServiceResolver *r,
801 AvahiIfIndex interface,
802 AvahiProtocol protocol,
803 AvahiResolverEvent event,
807 const gchar *host_name,
808 const AvahiAddress *a,
810 AvahiStringList *txt,
813 ServiceResolverInfo *i = userdata;
820 if (event == AVAHI_RESOLVER_FOUND) {
821 char t[256], *pt = t;
822 gint32 i_interface, i_protocol, i_aprotocol;
828 avahi_address_snprint(t, sizeof(t), a);
830 i_interface = (gint32) interface;
831 i_protocol = (gint32) protocol;
832 i_aprotocol = (gint32) a->family;
834 array = g_new(gchar*, (n = avahi_string_list_length(txt)));
836 /** FIXME: DBUS doesn't support strings that include NUL bytes (?) */
837 for (p = txt, j = n-1; p; p = p->next, j--)
838 array[j] = g_strndup((gchar*) p->text, p->size);
840 reply = dbus_message_new_method_return(i->message);
841 dbus_message_append_args(
843 DBUS_TYPE_INT32, &i_interface,
844 DBUS_TYPE_INT32, &i_protocol,
845 DBUS_TYPE_STRING, &name,
846 DBUS_TYPE_STRING, &type,
847 DBUS_TYPE_STRING, &domain,
848 DBUS_TYPE_STRING, &host_name,
849 DBUS_TYPE_INT32, &i_aprotocol,
850 DBUS_TYPE_STRING, &pt,
851 DBUS_TYPE_UINT16, &port,
852 DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, &array, n,
855 for (j = 0; j < n; j++)
859 g_assert(event == AVAHI_RESOLVER_TIMEOUT);
860 reply = dbus_message_new_error(i->message, "org.freedesktop.Avahi.TimeoutError", NULL);
863 dbus_connection_send(server->bus, reply, NULL);
864 dbus_message_unref(reply);
866 service_resolver_free(i);
869 static DBusHandlerResult msg_server_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
872 dbus_error_init(&error);
874 avahi_log_debug("dbus: interface=%s, path=%s, member=%s",
875 dbus_message_get_interface(m),
876 dbus_message_get_path(m),
877 dbus_message_get_member(m));
879 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect")) {
881 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
882 avahi_log_warn("Error parsing Introspect message");
886 return respond_string(c, m, server_introspect_xml);
888 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostName")) {
890 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
891 avahi_log_warn("Error parsing Server::GetHostName message");
895 return respond_string(c, m, avahi_server_get_host_name(avahi_server));
897 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetDomainName")) {
899 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
900 avahi_log_warn("Error parsing Server::GetDomainName message");
904 return respond_string(c, m, avahi_server_get_domain_name(avahi_server));
906 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostNameFqdn")) {
908 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
909 avahi_log_warn("Error parsing Server::GetHostNameFqdn message");
913 return respond_string(c, m, avahi_server_get_host_name_fqdn(avahi_server));
915 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetVersionString")) {
917 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
918 avahi_log_warn("Error parsing Server::GetVersionString message");
922 return respond_string(c, m, PACKAGE_STRING);
924 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetState")) {
928 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
929 avahi_log_warn("Error parsing Server::GetState message");
933 s = (gint32) avahi_server_get_state(avahi_server);
935 reply = dbus_message_new_method_return(m);
936 dbus_message_append_args(reply, DBUS_TYPE_INT32, &s, DBUS_TYPE_INVALID);
937 dbus_connection_send(c, reply, NULL);
938 dbus_message_unref(reply);
940 return DBUS_HANDLER_RESULT_HANDLED;
942 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeHostName")) {
945 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n || !*n) {
946 avahi_log_warn("Error parsing Server::GetAlternativeHostName message");
950 t = avahi_alternative_host_name(n);
951 respond_string(c, m, t);
954 return DBUS_HANDLER_RESULT_HANDLED;
956 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeServiceName")) {
959 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n || !*n) {
960 avahi_log_warn("Error parsing Server::GetAlternativeServiceName message");
964 t = avahi_alternative_service_name(n);
965 respond_string(c, m, t);
968 return DBUS_HANDLER_RESULT_HANDLED;
970 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "EntryGroupNew")) {
973 static const DBusObjectPathVTable vtable = {
975 msg_entry_group_impl,
982 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
983 avahi_log_warn("Error parsing Server::EntryGroupNew message");
987 client = client_get(dbus_message_get_sender(m), TRUE);
989 i = g_new(EntryGroupInfo, 1);
990 i->id = ++client->current_id;
992 i->path = g_strdup_printf("/org/freedesktop/Avahi/Client%u/EntryGroup%u", client->id, i->id);
993 AVAHI_LLIST_PREPEND(EntryGroupInfo, entry_groups, client->entry_groups, i);
995 if (!(i->entry_group = avahi_entry_group_new(avahi_server, entry_group_callback, i))) {
996 avahi_log_warn("Failed to create entry group");
1001 dbus_connection_register_object_path(c, i->path, &vtable, i);
1002 return respond_path(c, m, i->path);
1004 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveHostName")) {
1006 gint32 interface, protocol, aprotocol;
1008 HostNameResolverInfo *i;
1010 if (!dbus_message_get_args(
1012 DBUS_TYPE_INT32, &interface,
1013 DBUS_TYPE_INT32, &protocol,
1014 DBUS_TYPE_STRING, &name,
1015 DBUS_TYPE_INT32, &aprotocol,
1016 DBUS_TYPE_INVALID) || !name || !*name) {
1017 avahi_log_warn("Error parsing Server::ResolveHostName message");
1021 client = client_get(dbus_message_get_sender(m), TRUE);
1023 i = g_new(HostNameResolverInfo, 1);
1025 i->message = dbus_message_ref(m);
1026 AVAHI_LLIST_PREPEND(HostNameResolverInfo, host_name_resolvers, client->host_name_resolvers, i);
1028 if (!(i->host_name_resolver = avahi_host_name_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, (AvahiProtocol) aprotocol, host_name_resolver_callback, i))) {
1029 host_name_resolver_free(i);
1030 avahi_log_warn("Failed to create host name resolver");
1034 return DBUS_HANDLER_RESULT_HANDLED;
1036 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveAddress")) {
1038 gint32 interface, protocol;
1040 AddressResolverInfo *i;
1043 if (!dbus_message_get_args(
1045 DBUS_TYPE_INT32, &interface,
1046 DBUS_TYPE_INT32, &protocol,
1047 DBUS_TYPE_STRING, &address,
1048 DBUS_TYPE_INVALID) || !address || !*address) {
1049 avahi_log_warn("Error parsing Server::ResolveAddress message");
1053 if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a)) {
1054 avahi_log_warn("Error parsing address data");
1055 return respond_error(c, m, "org.freedesktop.Avahi.InvalidAddressError", NULL);
1058 client = client_get(dbus_message_get_sender(m), TRUE);
1060 i = g_new(AddressResolverInfo, 1);
1062 i->message = dbus_message_ref(m);
1064 AVAHI_LLIST_PREPEND(AddressResolverInfo, address_resolvers, client->address_resolvers, i);
1066 if (!(i->address_resolver = avahi_address_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, &a, address_resolver_callback, i))) {
1067 address_resolver_free(i);
1068 avahi_log_warn("Failed to create address resolver");
1072 return DBUS_HANDLER_RESULT_HANDLED;
1074 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew")) {
1076 DomainBrowserInfo *i;
1077 static const DBusObjectPathVTable vtable = {
1079 msg_domain_browser_impl,
1085 gint32 interface, protocol, type;
1089 if (!dbus_message_get_args(
1091 DBUS_TYPE_INT32, &interface,
1092 DBUS_TYPE_INT32, &protocol,
1093 DBUS_TYPE_STRING, &domain,
1094 DBUS_TYPE_INT32, &type,
1095 DBUS_TYPE_INVALID) || type < 0 || type >= AVAHI_DOMAIN_BROWSER_MAX) {
1096 avahi_log_warn("Error parsing Server::DomainBrowserNew message");
1100 client = client_get(dbus_message_get_sender(m), TRUE);
1105 i = g_new(DomainBrowserInfo, 1);
1106 i->id = ++client->current_id;
1108 i->path = g_strdup_printf("/org/freedesktop/Avahi/Client%u/DomainBrowser%u", client->id, i->id);
1110 AVAHI_LLIST_PREPEND(DomainBrowserInfo, domain_browsers, client->domain_browsers, i);
1112 if (!(i->domain_browser = avahi_domain_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, (AvahiDomainBrowserType) type, domain_browser_callback, i))) {
1113 avahi_log_warn("Failed to create domain browser");
1114 domain_browser_free(i);
1118 dbus_connection_register_object_path(c, i->path, &vtable, i);
1119 return respond_path(c, m, i->path);
1121 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceTypeBrowserNew")) {
1123 ServiceTypeBrowserInfo *i;
1124 static const DBusObjectPathVTable vtable = {
1126 msg_service_type_browser_impl,
1132 gint32 interface, protocol;
1135 if (!dbus_message_get_args(
1137 DBUS_TYPE_INT32, &interface,
1138 DBUS_TYPE_INT32, &protocol,
1139 DBUS_TYPE_STRING, &domain,
1140 DBUS_TYPE_INVALID)) {
1141 avahi_log_warn("Error parsing Server::ServiceTypeBrowserNew message");
1145 client = client_get(dbus_message_get_sender(m), TRUE);
1150 i = g_new(ServiceTypeBrowserInfo, 1);
1151 i->id = ++client->current_id;
1153 i->path = g_strdup_printf("/org/freedesktop/Avahi/Client%u/ServiceTypeBrowser%u", client->id, i->id);
1155 AVAHI_LLIST_PREPEND(ServiceTypeBrowserInfo, service_type_browsers, client->service_type_browsers, i);
1157 if (!(i->service_type_browser = avahi_service_type_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, service_type_browser_callback, i))) {
1158 avahi_log_warn("Failed to create service type browser");
1159 service_type_browser_free(i);
1163 dbus_connection_register_object_path(c, i->path, &vtable, i);
1164 return respond_path(c, m, i->path);
1166 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew")) {
1168 ServiceBrowserInfo *i;
1169 static const DBusObjectPathVTable vtable = {
1171 msg_service_browser_impl,
1177 gint32 interface, protocol;
1178 gchar *domain, *type;
1180 if (!dbus_message_get_args(
1182 DBUS_TYPE_INT32, &interface,
1183 DBUS_TYPE_INT32, &protocol,
1184 DBUS_TYPE_STRING, &type,
1185 DBUS_TYPE_STRING, &domain,
1186 DBUS_TYPE_INVALID) || !type || !*type) {
1187 avahi_log_warn("Error parsing Server::ServiceBrowserNew message");
1191 client = client_get(dbus_message_get_sender(m), TRUE);
1196 i = g_new(ServiceBrowserInfo, 1);
1197 i->id = ++client->current_id;
1199 i->path = g_strdup_printf("/org/freedesktop/Avahi/Client%u/ServiceBrowser%u", client->id, i->id);
1201 AVAHI_LLIST_PREPEND(ServiceBrowserInfo, service_browsers, client->service_browsers, i);
1203 if (!(i->service_browser = avahi_service_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, type, domain, service_browser_callback, i))) {
1204 avahi_log_warn("Failed to create service browser");
1205 service_browser_free(i);
1209 dbus_connection_register_object_path(c, i->path, &vtable, i);
1210 return respond_path(c, m, i->path);
1212 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveService")) {
1214 gint32 interface, protocol, aprotocol;
1215 gchar *name, *type, *domain;
1216 ServiceResolverInfo *i;
1218 if (!dbus_message_get_args(
1220 DBUS_TYPE_INT32, &interface,
1221 DBUS_TYPE_INT32, &protocol,
1222 DBUS_TYPE_STRING, &name,
1223 DBUS_TYPE_STRING, &type,
1224 DBUS_TYPE_STRING, &domain,
1225 DBUS_TYPE_INT32, &aprotocol,
1226 DBUS_TYPE_INVALID) || !name || !*name || !type || !*type) {
1227 avahi_log_warn("Error parsing Server::ResolveService message");
1231 client = client_get(dbus_message_get_sender(m), TRUE);
1236 i = g_new(ServiceResolverInfo, 1);
1238 i->message = dbus_message_ref(m);
1239 AVAHI_LLIST_PREPEND(ServiceResolverInfo, service_resolvers, client->service_resolvers, i);
1241 if (!(i->service_resolver = avahi_service_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, (AvahiProtocol) aprotocol, service_resolver_callback, i))) {
1242 service_resolver_free(i);
1243 avahi_log_warn("Failed to create service resolver");
1247 return DBUS_HANDLER_RESULT_HANDLED;
1250 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
1254 if (dbus_error_is_set(&error))
1255 dbus_error_free(&error);
1257 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1260 void dbus_protocol_server_state_changed(AvahiServerState state) {
1267 m = dbus_message_new_signal(AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "StateChanged");
1269 dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_INVALID);
1270 dbus_connection_send(server->bus, m, NULL);
1271 dbus_message_unref(m);
1274 int dbus_protocol_setup(GMainLoop *loop) {
1277 static const DBusObjectPathVTable server_vtable = {
1286 dbus_error_init(&error);
1288 server = g_malloc(sizeof(Server));
1289 server->clients = NULL;
1290 server->current_id = 0;
1292 server->bus = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
1293 if (dbus_error_is_set(&error)) {
1294 avahi_log_warn("dbus_bus_get(): %s", error.message);
1298 dbus_connection_setup_with_g_main(server->bus, NULL);
1299 dbus_connection_set_exit_on_disconnect(server->bus, FALSE);
1301 dbus_bus_request_name(server->bus, AVAHI_DBUS_NAME, 0, &error);
1302 if (dbus_error_is_set(&error)) {
1303 avahi_log_warn("dbus_bus_request_name(): %s", error.message);
1307 dbus_bus_add_match(server->bus, "type='signal',""interface='" DBUS_INTERFACE_DBUS "'", &error);
1309 dbus_connection_add_filter(server->bus, msg_signal_filter_impl, loop, NULL);
1310 dbus_connection_register_object_path(server->bus, AVAHI_DBUS_PATH_SERVER, &server_vtable, NULL);
1316 dbus_connection_disconnect(server->bus);
1317 dbus_connection_unref(server->bus);
1320 dbus_error_free (&error);
1326 void dbus_protocol_shutdown(void) {
1330 while (server->clients)
1331 client_free(server->clients);
1334 dbus_connection_disconnect(server->bus);
1335 dbus_connection_unref(server->bus);