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>
28 #include <sys/types.h>
29 #include <sys/socket.h>
30 #include <netinet/in.h>
41 #include <dbus/dbus.h>
43 #include <avahi-common/dbus.h>
44 #include <avahi-common/llist.h>
45 #include <avahi-common/malloc.h>
46 #include <avahi-common/dbus-watch-glue.h>
47 #include <avahi-common/alternative.h>
48 #include <avahi-common/error.h>
49 #include <avahi-common/domain.h>
50 #include <avahi-common/timeval.h>
52 #include <avahi-core/log.h>
53 #include <avahi-core/core.h>
54 #include <avahi-core/lookup.h>
55 #include <avahi-core/publish.h>
57 #include "dbus-protocol.h"
58 #include "dbus-util.h"
59 #include "dbus-internal.h"
62 /* #define VALGRIND_WORKAROUND 1 */
64 #define RECONNECT_MSEC 3000
66 Server *server = NULL;
68 static int disable_user_service_publishing = 0;
70 static int dbus_connect(void);
71 static void dbus_disconnect(void);
73 static void client_free(Client *c) {
78 while (c->entry_groups)
79 avahi_dbus_entry_group_free(c->entry_groups);
81 while (c->sync_host_name_resolvers)
82 avahi_dbus_sync_host_name_resolver_free(c->sync_host_name_resolvers);
84 while (c->async_host_name_resolvers)
85 avahi_dbus_async_host_name_resolver_free(c->async_host_name_resolvers);
87 while (c->sync_address_resolvers)
88 avahi_dbus_sync_address_resolver_free(c->sync_address_resolvers);
90 while (c->async_address_resolvers)
91 avahi_dbus_async_address_resolver_free(c->async_address_resolvers);
93 while (c->domain_browsers)
94 avahi_dbus_domain_browser_free(c->domain_browsers);
96 while (c->service_type_browsers)
97 avahi_dbus_service_type_browser_free(c->service_type_browsers);
99 while (c->service_browsers)
100 avahi_dbus_service_browser_free(c->service_browsers);
102 while (c->sync_service_resolvers)
103 avahi_dbus_sync_service_resolver_free(c->sync_service_resolvers);
105 while (c->async_service_resolvers)
106 avahi_dbus_async_service_resolver_free(c->async_service_resolvers);
108 while (c->record_browsers)
109 avahi_dbus_record_browser_free(c->record_browsers);
111 assert(c->n_objects == 0);
114 AVAHI_LLIST_REMOVE(Client, clients, server->clients, c);
117 server->n_clients --;
118 assert(server->n_clients >= 0);
121 static Client *client_get(const char *name, int create) {
127 for (client = server->clients; client; client = client->clients_next)
128 if (!strcmp(name, client->name))
134 if (server->n_clients >= CLIENTS_MAX)
137 /* If not existant yet, create a new entry */
138 client = avahi_new(Client, 1);
139 client->id = server->current_id++;
140 client->name = avahi_strdup(name);
141 client->current_id = 0;
142 client->n_objects = 0;
144 AVAHI_LLIST_HEAD_INIT(EntryGroupInfo, client->entry_groups);
145 AVAHI_LLIST_HEAD_INIT(SyncHostNameResolverInfo, client->sync_host_name_resolvers);
146 AVAHI_LLIST_HEAD_INIT(AsyncHostNameResolverInfo, client->async_host_name_resolvers);
147 AVAHI_LLIST_HEAD_INIT(SyncAddressResolverInfo, client->sync_address_resolvers);
148 AVAHI_LLIST_HEAD_INIT(AsyncAddressResolverInfo, client->async_address_resolvers);
149 AVAHI_LLIST_HEAD_INIT(DomainBrowserInfo, client->domain_browsers);
150 AVAHI_LLIST_HEAD_INIT(ServiceTypeBrowserInfo, client->service_type_browsers);
151 AVAHI_LLIST_HEAD_INIT(ServiceBrowserInfo, client->service_browsers);
152 AVAHI_LLIST_HEAD_INIT(SyncServiceResolverInfo, client->sync_service_resolvers);
153 AVAHI_LLIST_HEAD_INIT(AsyncServiceResolverInfo, client->async_service_resolvers);
154 AVAHI_LLIST_HEAD_INIT(RecordBrowserInfo, client->record_browsers);
156 AVAHI_LLIST_PREPEND(Client, clients, server->clients, client);
159 assert(server->n_clients > 0);
164 static void reconnect_callback(AvahiTimeout *t, AVAHI_GCC_UNUSED void *userdata) {
165 assert(!server->bus);
167 if (dbus_connect() < 0) {
169 avahi_log_debug(__FILE__": Connection failed, retrying in %ims...", RECONNECT_MSEC);
170 avahi_elapse_time(&tv, RECONNECT_MSEC, 0);
171 server->poll_api->timeout_update(t, &tv);
173 avahi_log_debug(__FILE__": Successfully reconnected.");
174 server->poll_api->timeout_update(t, NULL);
178 static DBusHandlerResult msg_signal_filter_impl(AVAHI_GCC_UNUSED DBusConnection *c, DBusMessage *m, AVAHI_GCC_UNUSED void *userdata) {
181 dbus_error_init(&error);
183 /* avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", */
184 /* dbus_message_get_interface(m), */
185 /* dbus_message_get_path(m), */
186 /* dbus_message_get_member(m)); */
188 if (dbus_message_is_signal(m, DBUS_INTERFACE_LOCAL, "Disconnected")) {
191 if (server->reconnect) {
192 avahi_log_warn("Disconnnected from D-Bus, trying to reconnect in %ims...", RECONNECT_MSEC);
196 avahi_elapse_time(&tv, RECONNECT_MSEC, 0);
198 if (server->reconnect_timeout)
199 server->poll_api->timeout_update(server->reconnect_timeout, &tv);
201 server->reconnect_timeout = server->poll_api->timeout_new(server->poll_api, &tv, reconnect_callback, NULL);
203 avahi_log_warn("Disconnnected from D-Bus, exiting.");
207 return DBUS_HANDLER_RESULT_HANDLED;
209 } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameAcquired")) {
212 if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
213 avahi_log_warn("Error parsing NameAcquired message");
217 /* avahi_log_info(__FILE__": name acquired (%s)", name); */
218 return DBUS_HANDLER_RESULT_HANDLED;
220 } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
221 char *name, *old, *new;
223 if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &old, DBUS_TYPE_STRING, &new, DBUS_TYPE_INVALID)) {
224 avahi_log_warn("Error parsing NameOwnerChanged message");
231 if ((client = client_get(name, FALSE))) {
232 avahi_log_debug(__FILE__": client %s vanished.", name);
239 if (dbus_error_is_set(&error))
240 dbus_error_free(&error);
242 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
245 static DBusHandlerResult msg_server_impl(DBusConnection *c, DBusMessage *m, AVAHI_GCC_UNUSED void *userdata) {
248 dbus_error_init(&error);
250 avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
251 dbus_message_get_interface(m),
252 dbus_message_get_path(m),
253 dbus_message_get_member(m));
255 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
256 return avahi_dbus_handle_introspect(c, m, "Server.introspect");
258 else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostName")) {
260 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
261 avahi_log_warn("Error parsing Server::GetHostName message");
265 return avahi_dbus_respond_string(c, m, avahi_server_get_host_name(avahi_server));
267 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "SetHostName")) {
271 if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
272 avahi_log_warn("Error parsing Server::SetHostName message");
276 if (avahi_server_set_host_name(avahi_server, name) < 0)
277 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
279 avahi_log_info("Changing host name to '%s'.", name);
281 return avahi_dbus_respond_ok(c, m);
283 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetDomainName")) {
285 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
286 avahi_log_warn("Error parsing Server::GetDomainName message");
290 return avahi_dbus_respond_string(c, m, avahi_server_get_domain_name(avahi_server));
292 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostNameFqdn")) {
294 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
295 avahi_log_warn("Error parsing Server::GetHostNameFqdn message");
299 return avahi_dbus_respond_string(c, m, avahi_server_get_host_name_fqdn(avahi_server));
301 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "IsNSSSupportAvailable")) {
302 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
303 avahi_log_warn("Error parsing Server::IsNSSSupportAvailable message");
307 return avahi_dbus_respond_boolean(c, m, nss_support);
309 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetVersionString")) {
311 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
312 avahi_log_warn("Error parsing Server::GetVersionString message");
316 return avahi_dbus_respond_string(c, m, PACKAGE_STRING);
318 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAPIVersion")) {
320 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
321 avahi_log_warn("Error parsing Server::GetAPIVersion message");
325 return avahi_dbus_respond_uint32(c, m, AVAHI_DBUS_API_VERSION);
327 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetState")) {
328 AvahiServerState state;
330 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
331 avahi_log_warn("Error parsing Server::GetState message");
335 state = avahi_server_get_state(avahi_server);
336 return avahi_dbus_respond_int32(c, m, (int32_t) state);
338 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetLocalServiceCookie")) {
340 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
341 avahi_log_warn("Error parsing Server::GetLocalServiceCookie message");
345 return avahi_dbus_respond_uint32(c, m, avahi_server_get_local_service_cookie(avahi_server));
347 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceNameByIndex")) {
349 char name[IF_NAMESIZE];
351 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INT32, &idx, DBUS_TYPE_INVALID))) {
352 avahi_log_warn("Error parsing Server::GetNetworkInterfaceNameByIndex message");
356 #ifdef VALGRIND_WORKAROUND
357 return respond_string(c, m, "blah");
359 if ((!if_indextoname(idx, name))) {
361 snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
362 return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt);
365 return avahi_dbus_respond_string(c, m, name);
368 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceIndexByName")) {
372 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
373 avahi_log_warn("Error parsing Server::GetNetworkInterfaceIndexByName message");
377 #ifdef VALGRIND_WORKAROUND
378 return respond_int32(c, m, 1);
380 if (!(idx = if_nametoindex(n))) {
382 snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
383 return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt);
386 return avahi_dbus_respond_int32(c, m, idx);
389 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeHostName")) {
392 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
393 avahi_log_warn("Error parsing Server::GetAlternativeHostName message");
397 t = avahi_alternative_host_name(n);
398 avahi_dbus_respond_string(c, m, t);
401 return DBUS_HANDLER_RESULT_HANDLED;
403 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeServiceName")) {
406 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
407 avahi_log_warn("Error parsing Server::GetAlternativeServiceName message");
411 t = avahi_alternative_service_name(n);
412 avahi_dbus_respond_string(c, m, t);
415 return DBUS_HANDLER_RESULT_HANDLED;
417 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "EntryGroupNew")) {
420 static const DBusObjectPathVTable vtable = {
422 avahi_dbus_msg_entry_group_impl,
429 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
430 avahi_log_warn("Error parsing Server::EntryGroupNew message");
434 if (disable_user_service_publishing)
435 return avahi_dbus_respond_error(c, m, AVAHI_ERR_NOT_PERMITTED, NULL);
437 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
438 avahi_log_warn("Too many clients, client request failed.");
439 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
442 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
443 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
444 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
447 i = avahi_new(EntryGroupInfo, 1);
448 i->id = ++client->current_id;
452 AVAHI_LLIST_PREPEND(EntryGroupInfo, entry_groups, client->entry_groups, i);
455 if (!(i->entry_group = avahi_s_entry_group_new(avahi_server, avahi_dbus_entry_group_callback, i))) {
456 avahi_dbus_entry_group_free(i);
457 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
460 i->path = avahi_strdup_printf("/Client%u/EntryGroup%u", client->id, i->id);
461 dbus_connection_register_object_path(c, i->path, &vtable, i);
462 return avahi_dbus_respond_path(c, m, i->path);
464 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveHostName")) {
466 int32_t interface, protocol, aprotocol;
469 SyncHostNameResolverInfo *i;
471 if (!dbus_message_get_args(
473 DBUS_TYPE_INT32, &interface,
474 DBUS_TYPE_INT32, &protocol,
475 DBUS_TYPE_STRING, &name,
476 DBUS_TYPE_INT32, &aprotocol,
477 DBUS_TYPE_UINT32, &flags,
478 DBUS_TYPE_INVALID) || !name) {
479 avahi_log_warn("Error parsing Server::ResolveHostName message");
483 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
484 avahi_log_warn("Too many clients, client request failed.");
485 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
488 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
489 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
490 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
493 i = avahi_new(SyncHostNameResolverInfo, 1);
495 i->message = dbus_message_ref(m);
496 AVAHI_LLIST_PREPEND(SyncHostNameResolverInfo, sync_host_name_resolvers, client->sync_host_name_resolvers, i);
499 if (!(i->host_name_resolver = avahi_s_host_name_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, (AvahiProtocol) aprotocol, (AvahiLookupFlags) flags, avahi_dbus_sync_host_name_resolver_callback, i))) {
500 avahi_dbus_sync_host_name_resolver_free(i);
501 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
504 return DBUS_HANDLER_RESULT_HANDLED;
506 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveAddress")) {
508 int32_t interface, protocol;
511 SyncAddressResolverInfo *i;
514 if (!dbus_message_get_args(
516 DBUS_TYPE_INT32, &interface,
517 DBUS_TYPE_INT32, &protocol,
518 DBUS_TYPE_STRING, &address,
519 DBUS_TYPE_UINT32, &flags,
520 DBUS_TYPE_INVALID) || !address) {
521 avahi_log_warn("Error parsing Server::ResolveAddress message");
525 if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))
526 return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
528 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
529 avahi_log_warn("Too many clients, client request failed.");
530 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
533 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
534 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
535 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
538 i = avahi_new(SyncAddressResolverInfo, 1);
540 i->message = dbus_message_ref(m);
541 AVAHI_LLIST_PREPEND(SyncAddressResolverInfo, sync_address_resolvers, client->sync_address_resolvers, i);
544 if (!(i->address_resolver = avahi_s_address_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, &a, (AvahiLookupFlags) flags, avahi_dbus_sync_address_resolver_callback, i))) {
545 avahi_dbus_sync_address_resolver_free(i);
546 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
549 return DBUS_HANDLER_RESULT_HANDLED;
551 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew")) {
553 DomainBrowserInfo *i;
554 static const DBusObjectPathVTable vtable = {
556 avahi_dbus_msg_domain_browser_impl,
562 int32_t interface, protocol, type;
566 if (!dbus_message_get_args(
568 DBUS_TYPE_INT32, &interface,
569 DBUS_TYPE_INT32, &protocol,
570 DBUS_TYPE_STRING, &domain,
571 DBUS_TYPE_INT32, &type,
572 DBUS_TYPE_UINT32, &flags,
573 DBUS_TYPE_INVALID) || type < 0 || type >= AVAHI_DOMAIN_BROWSER_MAX) {
574 avahi_log_warn("Error parsing Server::DomainBrowserNew message");
578 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
579 avahi_log_warn("Too many clients, client request failed.");
580 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
583 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
584 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
585 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
591 i = avahi_new(DomainBrowserInfo, 1);
592 i->id = ++client->current_id;
595 AVAHI_LLIST_PREPEND(DomainBrowserInfo, domain_browsers, client->domain_browsers, i);
598 if (!(i->domain_browser = avahi_s_domain_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, (AvahiDomainBrowserType) type, (AvahiLookupFlags) flags, avahi_dbus_domain_browser_callback, i))) {
599 avahi_dbus_domain_browser_free(i);
600 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
603 i->path = avahi_strdup_printf("/Client%u/DomainBrowser%u", client->id, i->id);
604 dbus_connection_register_object_path(c, i->path, &vtable, i);
605 return avahi_dbus_respond_path(c, m, i->path);
607 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceTypeBrowserNew")) {
609 ServiceTypeBrowserInfo *i;
610 static const DBusObjectPathVTable vtable = {
612 avahi_dbus_msg_service_type_browser_impl,
618 int32_t interface, protocol;
622 if (!dbus_message_get_args(
624 DBUS_TYPE_INT32, &interface,
625 DBUS_TYPE_INT32, &protocol,
626 DBUS_TYPE_STRING, &domain,
627 DBUS_TYPE_UINT32, &flags,
628 DBUS_TYPE_INVALID)) {
629 avahi_log_warn("Error parsing Server::ServiceTypeBrowserNew message");
633 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
634 avahi_log_warn("Too many clients, client request failed.");
635 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
638 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
639 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
640 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
646 i = avahi_new(ServiceTypeBrowserInfo, 1);
647 i->id = ++client->current_id;
650 AVAHI_LLIST_PREPEND(ServiceTypeBrowserInfo, service_type_browsers, client->service_type_browsers, i);
653 if (!(i->service_type_browser = avahi_s_service_type_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, (AvahiLookupFlags) flags, avahi_dbus_service_type_browser_callback, i))) {
654 avahi_dbus_service_type_browser_free(i);
655 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
658 i->path = avahi_strdup_printf("/Client%u/ServiceTypeBrowser%u", client->id, i->id);
659 dbus_connection_register_object_path(c, i->path, &vtable, i);
660 return avahi_dbus_respond_path(c, m, i->path);
662 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew")) {
664 ServiceBrowserInfo *i;
665 static const DBusObjectPathVTable vtable = {
667 avahi_dbus_msg_service_browser_impl,
673 int32_t interface, protocol;
677 if (!dbus_message_get_args(
679 DBUS_TYPE_INT32, &interface,
680 DBUS_TYPE_INT32, &protocol,
681 DBUS_TYPE_STRING, &type,
682 DBUS_TYPE_STRING, &domain,
683 DBUS_TYPE_UINT32, &flags,
684 DBUS_TYPE_INVALID) || !type) {
685 avahi_log_warn("Error parsing Server::ServiceBrowserNew message");
689 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
690 avahi_log_warn("Too many clients, client request failed.");
691 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
694 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
695 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
696 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
702 i = avahi_new(ServiceBrowserInfo, 1);
703 i->id = ++client->current_id;
706 AVAHI_LLIST_PREPEND(ServiceBrowserInfo, service_browsers, client->service_browsers, i);
709 if (!(i->service_browser = avahi_s_service_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, type, domain, (AvahiLookupFlags) flags, avahi_dbus_service_browser_callback, i))) {
710 avahi_dbus_service_browser_free(i);
711 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
714 i->path = avahi_strdup_printf("/Client%u/ServiceBrowser%u", client->id, i->id);
715 dbus_connection_register_object_path(c, i->path, &vtable, i);
716 return avahi_dbus_respond_path(c, m, i->path);
718 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveService")) {
720 int32_t interface, protocol, aprotocol;
722 char *name, *type, *domain;
723 SyncServiceResolverInfo *i;
725 if (!dbus_message_get_args(
727 DBUS_TYPE_INT32, &interface,
728 DBUS_TYPE_INT32, &protocol,
729 DBUS_TYPE_STRING, &name,
730 DBUS_TYPE_STRING, &type,
731 DBUS_TYPE_STRING, &domain,
732 DBUS_TYPE_INT32, &aprotocol,
733 DBUS_TYPE_UINT32, &flags,
734 DBUS_TYPE_INVALID) || !type) {
735 avahi_log_warn("Error parsing Server::ResolveService message");
739 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
740 avahi_log_warn("Too many clients, client request failed.");
741 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
744 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
745 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
746 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
755 i = avahi_new(SyncServiceResolverInfo, 1);
757 i->message = dbus_message_ref(m);
758 AVAHI_LLIST_PREPEND(SyncServiceResolverInfo, sync_service_resolvers, client->sync_service_resolvers, i);
761 if (!(i->service_resolver = avahi_s_service_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, (AvahiProtocol) aprotocol, (AvahiLookupFlags) flags, avahi_dbus_sync_service_resolver_callback, i))) {
762 avahi_dbus_sync_service_resolver_free(i);
763 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
766 return DBUS_HANDLER_RESULT_HANDLED;
768 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew")) {
770 int32_t interface, protocol, aprotocol;
772 char *name, *type, *domain;
773 AsyncServiceResolverInfo *i;
774 static const DBusObjectPathVTable vtable = {
776 avahi_dbus_msg_async_service_resolver_impl,
783 if (!dbus_message_get_args(
785 DBUS_TYPE_INT32, &interface,
786 DBUS_TYPE_INT32, &protocol,
787 DBUS_TYPE_STRING, &name,
788 DBUS_TYPE_STRING, &type,
789 DBUS_TYPE_STRING, &domain,
790 DBUS_TYPE_INT32, &aprotocol,
791 DBUS_TYPE_UINT32, &flags,
792 DBUS_TYPE_INVALID) || !type) {
793 avahi_log_warn("Error parsing Server::ServiceResolverNew message");
797 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
798 avahi_log_warn(__FILE__": Too many clients, client request failed.");
799 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
802 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
803 avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
804 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
813 i = avahi_new(AsyncServiceResolverInfo, 1);
814 i->id = ++client->current_id;
817 AVAHI_LLIST_PREPEND(AsyncServiceResolverInfo, async_service_resolvers, client->async_service_resolvers, i);
820 if (!(i->service_resolver = avahi_s_service_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, (AvahiProtocol) aprotocol, (AvahiLookupFlags) flags, avahi_dbus_async_service_resolver_callback, i))) {
821 avahi_dbus_async_service_resolver_free(i);
822 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
825 /* avahi_log_debug(__FILE__": [%s], new service resolver for <%s.%s.%s>", i->path, name, type, domain); */
827 i->path = avahi_strdup_printf("/Client%u/ServiceResolver%u", client->id, i->id);
828 dbus_connection_register_object_path(c, i->path, &vtable, i);
829 return avahi_dbus_respond_path(c, m, i->path);
831 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew")) {
833 int32_t interface, protocol, aprotocol;
836 AsyncHostNameResolverInfo *i;
837 static const DBusObjectPathVTable vtable = {
839 avahi_dbus_msg_async_host_name_resolver_impl,
846 if (!dbus_message_get_args(
848 DBUS_TYPE_INT32, &interface,
849 DBUS_TYPE_INT32, &protocol,
850 DBUS_TYPE_STRING, &name,
851 DBUS_TYPE_INT32, &aprotocol,
852 DBUS_TYPE_UINT32, &flags,
853 DBUS_TYPE_INVALID) || !name) {
854 avahi_log_warn("Error parsing Server::HostNameResolverNew message");
858 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
859 avahi_log_warn(__FILE__": Too many clients, client request failed.");
860 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
863 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
864 avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
865 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
868 i = avahi_new(AsyncHostNameResolverInfo, 1);
869 i->id = ++client->current_id;
872 AVAHI_LLIST_PREPEND(AsyncHostNameResolverInfo, async_host_name_resolvers, client->async_host_name_resolvers, i);
875 if (!(i->host_name_resolver = avahi_s_host_name_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, aprotocol, (AvahiLookupFlags) flags, avahi_dbus_async_host_name_resolver_callback, i))) {
876 avahi_dbus_async_host_name_resolver_free(i);
877 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
880 i->path = avahi_strdup_printf("/Client%u/HostNameResolver%u", client->id, i->id);
881 dbus_connection_register_object_path(c, i->path, &vtable, i);
882 return avahi_dbus_respond_path(c, m, i->path);
884 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew")) {
886 int32_t interface, protocol;
889 AsyncAddressResolverInfo *i;
891 static const DBusObjectPathVTable vtable = {
893 avahi_dbus_msg_async_address_resolver_impl,
900 if (!dbus_message_get_args(
902 DBUS_TYPE_INT32, &interface,
903 DBUS_TYPE_INT32, &protocol,
904 DBUS_TYPE_STRING, &address,
905 DBUS_TYPE_UINT32, &flags,
906 DBUS_TYPE_INVALID) || !address) {
907 avahi_log_warn("Error parsing Server::AddressResolverNew message");
911 if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))
912 return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
914 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
915 avahi_log_warn(__FILE__": Too many clients, client request failed.");
916 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
919 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
920 avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
921 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
924 i = avahi_new(AsyncAddressResolverInfo, 1);
925 i->id = ++client->current_id;
928 AVAHI_LLIST_PREPEND(AsyncAddressResolverInfo, async_address_resolvers, client->async_address_resolvers, i);
931 if (!(i->address_resolver = avahi_s_address_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, &a, (AvahiLookupFlags) flags, avahi_dbus_async_address_resolver_callback, i))) {
932 avahi_dbus_async_address_resolver_free(i);
933 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
936 i->path = avahi_strdup_printf("/Client%u/AddressResolver%u", client->id, i->id);
937 dbus_connection_register_object_path(c, i->path, &vtable, i);
938 return avahi_dbus_respond_path(c, m, i->path);
940 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "RecordBrowserNew")) {
942 RecordBrowserInfo *i;
943 static const DBusObjectPathVTable vtable = {
945 avahi_dbus_msg_record_browser_impl,
951 int32_t interface, protocol;
954 uint16_t type, clazz;
957 if (!dbus_message_get_args(
959 DBUS_TYPE_INT32, &interface,
960 DBUS_TYPE_INT32, &protocol,
961 DBUS_TYPE_STRING, &name,
962 DBUS_TYPE_UINT16, &clazz,
963 DBUS_TYPE_UINT16, &type,
964 DBUS_TYPE_UINT32, &flags,
965 DBUS_TYPE_INVALID) || !name) {
966 avahi_log_warn("Error parsing Server::RecordBrowserNew message");
970 if (!avahi_is_valid_domain_name(name))
971 return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_DOMAIN_NAME, NULL);
973 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
974 avahi_log_warn("Too many clients, client request failed.");
975 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
978 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
979 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
980 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
983 i = avahi_new(RecordBrowserInfo, 1);
984 i->id = ++client->current_id;
987 AVAHI_LLIST_PREPEND(RecordBrowserInfo, record_browsers, client->record_browsers, i);
990 key = avahi_key_new(name, clazz, type);
993 if (!(i->record_browser = avahi_s_record_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, key, (AvahiLookupFlags) flags, avahi_dbus_record_browser_callback, i))) {
994 avahi_key_unref(key);
995 avahi_dbus_record_browser_free(i);
996 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
999 avahi_key_unref(key);
1001 i->path = avahi_strdup_printf("/Client%u/RecordBrowser%u", client->id, i->id);
1002 dbus_connection_register_object_path(c, i->path, &vtable, i);
1003 return avahi_dbus_respond_path(c, m, i->path);
1006 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
1009 if (dbus_error_is_set(&error))
1010 dbus_error_free(&error);
1012 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1015 void dbus_protocol_server_state_changed(AvahiServerState state) {
1020 if (!server || !server->bus)
1023 m = dbus_message_new_signal(AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "StateChanged");
1024 t = (int32_t) state;
1026 if (state == AVAHI_SERVER_COLLISION)
1027 e = AVAHI_DBUS_ERR_COLLISION;
1028 else if (state == AVAHI_SERVER_FAILURE)
1029 e = avahi_error_number_to_dbus(avahi_server_errno(avahi_server));
1031 e = AVAHI_DBUS_ERR_OK;
1033 dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_STRING, &e, DBUS_TYPE_INVALID);
1034 dbus_connection_send(server->bus, m, NULL);
1035 dbus_message_unref(m);
1038 static int dbus_connect(void) {
1041 static const DBusObjectPathVTable server_vtable = {
1051 assert(!server->bus);
1053 dbus_error_init(&error);
1055 if (!(server->bus = dbus_bus_get(DBUS_BUS_SYSTEM, &error))) {
1056 assert(dbus_error_is_set(&error));
1057 avahi_log_error("dbus_bus_get(): %s", error.message);
1060 if (avahi_dbus_connection_glue(server->bus, server->poll_api) < 0) {
1061 avahi_log_error("avahi_dbus_connection_glue() failed");
1065 dbus_connection_set_exit_on_disconnect(server->bus, FALSE);
1067 if (dbus_bus_request_name(
1070 #if (DBUS_VERSION_MAJOR == 0) && (DBUS_VERSION_MINOR >= 60)
1071 DBUS_NAME_FLAG_DO_NOT_QUEUE,
1073 DBUS_NAME_FLAG_PROHIBIT_REPLACEMENT,
1075 &error) != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
1076 if (dbus_error_is_set(&error)) {
1077 avahi_log_error("dbus_bus_request_name(): %s", error.message);
1081 avahi_log_error("Failed to acquire D-Bus name '"AVAHI_DBUS_NAME"'");
1085 if (!(dbus_connection_add_filter(server->bus, msg_signal_filter_impl, (void*) server->poll_api, NULL))) {
1086 avahi_log_error("dbus_connection_add_filter() failed");
1090 dbus_bus_add_match(server->bus, "type='signal',""interface='" DBUS_INTERFACE_DBUS "'", &error);
1092 if (dbus_error_is_set(&error)) {
1093 avahi_log_error("dbus_bus_add_match(): %s", error.message);
1097 if (!(dbus_connection_register_object_path(server->bus, AVAHI_DBUS_PATH_SERVER, &server_vtable, NULL))) {
1098 avahi_log_error("dbus_connection_register_object_path() failed");
1105 if (dbus_error_is_set(&error))
1106 dbus_error_free(&error);
1109 #ifdef HAVE_DBUS_CONNECTION_CLOSE
1110 dbus_connection_close(server->bus);
1112 dbus_connection_disconnect(server->bus);
1114 dbus_connection_unref(server->bus);
1121 static void dbus_disconnect(void) {
1124 while (server->clients)
1125 client_free(server->clients);
1127 assert(server->n_clients == 0);
1130 #ifdef HAVE_DBUS_CONNECTION_CLOSE
1131 dbus_connection_close(server->bus);
1133 dbus_connection_disconnect(server->bus);
1135 dbus_connection_unref(server->bus);
1140 int dbus_protocol_setup(const AvahiPoll *poll_api, int _disable_user_service_publishing, int force) {
1142 disable_user_service_publishing = _disable_user_service_publishing;
1144 server = avahi_new(Server, 1);
1145 AVAHI_LLIST_HEAD_INIT(Clients, server->clients);
1146 server->current_id = 0;
1147 server->n_clients = 0;
1149 server->poll_api = poll_api;
1150 server->reconnect_timeout = NULL;
1151 server->reconnect = force;
1153 if (dbus_connect() < 0) {
1159 avahi_log_warn("WARNING: Failed to contact D-Bus daemon, retrying in %ims.", RECONNECT_MSEC);
1161 avahi_elapse_time(&tv, RECONNECT_MSEC, 0);
1162 server->reconnect_timeout = server->poll_api->timeout_new(server->poll_api, &tv, reconnect_callback, NULL);
1169 #ifdef HAVE_DBUS_CONNECTION_CLOSE
1170 dbus_connection_close(server->bus);
1172 dbus_connection_disconnect(server->bus);
1174 dbus_connection_unref(server->bus);
1182 void dbus_protocol_shutdown(void) {
1187 if (server->reconnect_timeout)
1188 server->poll_api->timeout_free(server->reconnect_timeout);