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.h>
47 #include <avahi-common/dbus-watch-glue.h>
48 #include <avahi-common/alternative.h>
49 #include <avahi-common/error.h>
50 #include <avahi-common/domain.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 Server *server = NULL;
66 static int disable_user_service_publishing = 0;
68 static void client_free(Client *c) {
73 while (c->entry_groups)
74 avahi_dbus_entry_group_free(c->entry_groups);
76 while (c->sync_host_name_resolvers)
77 avahi_dbus_sync_host_name_resolver_free(c->sync_host_name_resolvers);
79 while (c->async_host_name_resolvers)
80 avahi_dbus_async_host_name_resolver_free(c->async_host_name_resolvers);
82 while (c->sync_address_resolvers)
83 avahi_dbus_sync_address_resolver_free(c->sync_address_resolvers);
85 while (c->async_address_resolvers)
86 avahi_dbus_async_address_resolver_free(c->async_address_resolvers);
88 while (c->domain_browsers)
89 avahi_dbus_domain_browser_free(c->domain_browsers);
91 while (c->service_type_browsers)
92 avahi_dbus_service_type_browser_free(c->service_type_browsers);
94 while (c->service_browsers)
95 avahi_dbus_service_browser_free(c->service_browsers);
97 while (c->sync_service_resolvers)
98 avahi_dbus_sync_service_resolver_free(c->sync_service_resolvers);
100 while (c->async_service_resolvers)
101 avahi_dbus_async_service_resolver_free(c->async_service_resolvers);
103 while (c->record_browsers)
104 avahi_dbus_record_browser_free(c->record_browsers);
106 assert(c->n_objects == 0);
109 AVAHI_LLIST_REMOVE(Client, clients, server->clients, c);
112 server->n_clients --;
113 assert(server->n_clients >= 0);
116 static Client *client_get(const char *name, int create) {
122 for (client = server->clients; client; client = client->clients_next)
123 if (!strcmp(name, client->name))
129 if (server->n_clients >= CLIENTS_MAX)
132 /* If not existant yet, create a new entry */
133 client = avahi_new(Client, 1);
134 client->id = server->current_id++;
135 client->name = avahi_strdup(name);
136 client->current_id = 0;
137 client->n_objects = 0;
139 AVAHI_LLIST_HEAD_INIT(EntryGroupInfo, client->entry_groups);
140 AVAHI_LLIST_HEAD_INIT(SyncHostNameResolverInfo, client->sync_host_name_resolvers);
141 AVAHI_LLIST_HEAD_INIT(AsyncHostNameResolverInfo, client->async_host_name_resolvers);
142 AVAHI_LLIST_HEAD_INIT(SyncAddressResolverInfo, client->sync_address_resolvers);
143 AVAHI_LLIST_HEAD_INIT(AsyncAddressResolverInfo, client->async_address_resolvers);
144 AVAHI_LLIST_HEAD_INIT(DomainBrowserInfo, client->domain_browsers);
145 AVAHI_LLIST_HEAD_INIT(ServiceTypeBrowserInfo, client->service_type_browsers);
146 AVAHI_LLIST_HEAD_INIT(ServiceBrowserInfo, client->service_browsers);
147 AVAHI_LLIST_HEAD_INIT(SyncServiceResolverInfo, client->sync_service_resolvers);
148 AVAHI_LLIST_HEAD_INIT(AsyncServiceResolverInfo, client->async_service_resolvers);
149 AVAHI_LLIST_HEAD_INIT(RecordBrowserInfo, client->record_browsers);
151 AVAHI_LLIST_PREPEND(Client, clients, server->clients, client);
154 assert(server->n_clients > 0);
159 static DBusHandlerResult msg_signal_filter_impl(AVAHI_GCC_UNUSED DBusConnection *c, DBusMessage *m, AVAHI_GCC_UNUSED void *userdata) {
162 dbus_error_init(&error);
164 /* avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", */
165 /* dbus_message_get_interface(m), */
166 /* dbus_message_get_path(m), */
167 /* dbus_message_get_member(m)); */
169 if (dbus_message_is_signal(m, DBUS_INTERFACE_LOCAL, "Disconnected")) {
170 /* No, we shouldn't quit, but until we get somewhere
171 * usefull such that we can restore our state, we will */
172 avahi_log_warn("Disconnnected from D-BUS, terminating...");
174 raise(SIGQUIT); /* The signal handler will catch this and terminate the process cleanly*/
176 return DBUS_HANDLER_RESULT_HANDLED;
178 } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameAcquired")) {
181 if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
182 avahi_log_warn("Error parsing NameAcquired message");
186 /* avahi_log_info(__FILE__": name acquired (%s)", name); */
187 return DBUS_HANDLER_RESULT_HANDLED;
189 } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
190 char *name, *old, *new;
192 if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &old, DBUS_TYPE_STRING, &new, DBUS_TYPE_INVALID)) {
193 avahi_log_warn("Error parsing NameOwnerChanged message");
200 if ((client = client_get(name, FALSE))) {
201 avahi_log_debug(__FILE__": client %s vanished.", name);
208 if (dbus_error_is_set(&error))
209 dbus_error_free(&error);
211 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
214 static DBusHandlerResult msg_server_impl(DBusConnection *c, DBusMessage *m, AVAHI_GCC_UNUSED void *userdata) {
217 dbus_error_init(&error);
219 avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
220 dbus_message_get_interface(m),
221 dbus_message_get_path(m),
222 dbus_message_get_member(m));
224 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
225 return avahi_dbus_handle_introspect(c, m, "Server.introspect");
227 else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostName")) {
229 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
230 avahi_log_warn("Error parsing Server::GetHostName message");
234 return avahi_dbus_respond_string(c, m, avahi_server_get_host_name(avahi_server));
236 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetDomainName")) {
238 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
239 avahi_log_warn("Error parsing Server::GetDomainName message");
243 return avahi_dbus_respond_string(c, m, avahi_server_get_domain_name(avahi_server));
245 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostNameFqdn")) {
247 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
248 avahi_log_warn("Error parsing Server::GetHostNameFqdn message");
252 return avahi_dbus_respond_string(c, m, avahi_server_get_host_name_fqdn(avahi_server));
254 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetVersionString")) {
256 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
257 avahi_log_warn("Error parsing Server::GetVersionString message");
261 return avahi_dbus_respond_string(c, m, PACKAGE_STRING);
263 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAPIVersion")) {
265 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
266 avahi_log_warn("Error parsing Server::GetAPIVersion message");
270 return avahi_dbus_respond_uint32(c, m, AVAHI_DBUS_API_VERSION);
272 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetState")) {
273 AvahiServerState state;
275 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
276 avahi_log_warn("Error parsing Server::GetState message");
280 state = avahi_server_get_state(avahi_server);
281 return avahi_dbus_respond_int32(c, m, (int32_t) state);
283 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetLocalServiceCookie")) {
285 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
286 avahi_log_warn("Error parsing Server::GetLocalServiceCookie message");
290 return avahi_dbus_respond_uint32(c, m, avahi_server_get_local_service_cookie(avahi_server));
292 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceNameByIndex")) {
295 char name[IF_NAMESIZE];
298 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INT32, &idx, DBUS_TYPE_INVALID))) {
299 avahi_log_warn("Error parsing Server::GetNetworkInterfaceNameByIndex message");
303 #ifdef VALGRIND_WORKAROUND
304 return respond_string(c, m, "blah");
307 if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
308 if ((fd = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
310 snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
311 return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt);
314 if ((!if_indextoname(idx, name))) {
316 snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
318 return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt);
323 return avahi_dbus_respond_string(c, m, name);
326 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceIndexByName")) {
331 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
332 avahi_log_warn("Error parsing Server::GetNetworkInterfaceIndexByName message");
336 #ifdef VALGRIND_WORKAROUND
337 return respond_int32(c, m, 1);
339 if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
340 if ((fd = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
342 snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
343 return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt);
346 if (!(idx = if_nametoindex(n))) {
348 snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
350 return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt);
355 return avahi_dbus_respond_int32(c, m, idx);
358 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeHostName")) {
361 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
362 avahi_log_warn("Error parsing Server::GetAlternativeHostName message");
366 t = avahi_alternative_host_name(n);
367 avahi_dbus_respond_string(c, m, t);
370 return DBUS_HANDLER_RESULT_HANDLED;
372 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeServiceName")) {
375 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
376 avahi_log_warn("Error parsing Server::GetAlternativeServiceName message");
380 t = avahi_alternative_service_name(n);
381 avahi_dbus_respond_string(c, m, t);
384 return DBUS_HANDLER_RESULT_HANDLED;
386 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "EntryGroupNew")) {
389 static const DBusObjectPathVTable vtable = {
391 avahi_dbus_msg_entry_group_impl,
398 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
399 avahi_log_warn("Error parsing Server::EntryGroupNew message");
403 if (disable_user_service_publishing)
404 return avahi_dbus_respond_error(c, m, AVAHI_ERR_NOT_PERMITTED, NULL);
406 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
407 avahi_log_warn("Too many clients, client request failed.");
408 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
411 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
412 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
413 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
416 i = avahi_new(EntryGroupInfo, 1);
417 i->id = ++client->current_id;
419 i->path = avahi_strdup_printf("/Client%u/EntryGroup%u", client->id, i->id);
421 AVAHI_LLIST_PREPEND(EntryGroupInfo, entry_groups, client->entry_groups, i);
424 if (!(i->entry_group = avahi_s_entry_group_new(avahi_server, avahi_dbus_entry_group_callback, i))) {
425 avahi_dbus_entry_group_free(i);
426 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
429 dbus_connection_register_object_path(c, i->path, &vtable, i);
430 return avahi_dbus_respond_path(c, m, i->path);
432 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveHostName")) {
434 int32_t interface, protocol, aprotocol;
437 SyncHostNameResolverInfo *i;
439 if (!dbus_message_get_args(
441 DBUS_TYPE_INT32, &interface,
442 DBUS_TYPE_INT32, &protocol,
443 DBUS_TYPE_STRING, &name,
444 DBUS_TYPE_INT32, &aprotocol,
445 DBUS_TYPE_UINT32, &flags,
446 DBUS_TYPE_INVALID) || !name) {
447 avahi_log_warn("Error parsing Server::ResolveHostName message");
451 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
452 avahi_log_warn("Too many clients, client request failed.");
453 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
456 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
457 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
458 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
461 i = avahi_new(SyncHostNameResolverInfo, 1);
463 i->message = dbus_message_ref(m);
464 AVAHI_LLIST_PREPEND(SyncHostNameResolverInfo, sync_host_name_resolvers, client->sync_host_name_resolvers, i);
467 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))) {
468 avahi_dbus_sync_host_name_resolver_free(i);
469 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
472 return DBUS_HANDLER_RESULT_HANDLED;
474 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveAddress")) {
476 int32_t interface, protocol;
479 SyncAddressResolverInfo *i;
482 if (!dbus_message_get_args(
484 DBUS_TYPE_INT32, &interface,
485 DBUS_TYPE_INT32, &protocol,
486 DBUS_TYPE_STRING, &address,
487 DBUS_TYPE_UINT32, &flags,
488 DBUS_TYPE_INVALID) || !address) {
489 avahi_log_warn("Error parsing Server::ResolveAddress message");
493 if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))
494 return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
496 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
497 avahi_log_warn("Too many clients, client request failed.");
498 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
501 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
502 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
503 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
506 i = avahi_new(SyncAddressResolverInfo, 1);
508 i->message = dbus_message_ref(m);
509 AVAHI_LLIST_PREPEND(SyncAddressResolverInfo, sync_address_resolvers, client->sync_address_resolvers, i);
512 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))) {
513 avahi_dbus_sync_address_resolver_free(i);
514 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
517 return DBUS_HANDLER_RESULT_HANDLED;
519 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew")) {
521 DomainBrowserInfo *i;
522 static const DBusObjectPathVTable vtable = {
524 avahi_dbus_msg_domain_browser_impl,
530 int32_t interface, protocol, type;
534 if (!dbus_message_get_args(
536 DBUS_TYPE_INT32, &interface,
537 DBUS_TYPE_INT32, &protocol,
538 DBUS_TYPE_STRING, &domain,
539 DBUS_TYPE_INT32, &type,
540 DBUS_TYPE_UINT32, &flags,
541 DBUS_TYPE_INVALID) || type < 0 || type >= AVAHI_DOMAIN_BROWSER_MAX) {
542 avahi_log_warn("Error parsing Server::DomainBrowserNew message");
546 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
547 avahi_log_warn("Too many clients, client request failed.");
548 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
551 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
552 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
553 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
559 i = avahi_new(DomainBrowserInfo, 1);
560 i->id = ++client->current_id;
562 i->path = avahi_strdup_printf("/Client%u/DomainBrowser%u", client->id, i->id);
563 AVAHI_LLIST_PREPEND(DomainBrowserInfo, domain_browsers, client->domain_browsers, i);
566 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))) {
567 avahi_dbus_domain_browser_free(i);
568 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
571 dbus_connection_register_object_path(c, i->path, &vtable, i);
572 return avahi_dbus_respond_path(c, m, i->path);
574 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceTypeBrowserNew")) {
576 ServiceTypeBrowserInfo *i;
577 static const DBusObjectPathVTable vtable = {
579 avahi_dbus_msg_service_type_browser_impl,
585 int32_t interface, protocol;
589 if (!dbus_message_get_args(
591 DBUS_TYPE_INT32, &interface,
592 DBUS_TYPE_INT32, &protocol,
593 DBUS_TYPE_STRING, &domain,
594 DBUS_TYPE_UINT32, &flags,
595 DBUS_TYPE_INVALID)) {
596 avahi_log_warn("Error parsing Server::ServiceTypeBrowserNew message");
600 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
601 avahi_log_warn("Too many clients, client request failed.");
602 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
605 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
606 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
607 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
613 i = avahi_new(ServiceTypeBrowserInfo, 1);
614 i->id = ++client->current_id;
616 i->path = avahi_strdup_printf("/Client%u/ServiceTypeBrowser%u", client->id, i->id);
617 AVAHI_LLIST_PREPEND(ServiceTypeBrowserInfo, service_type_browsers, client->service_type_browsers, i);
620 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))) {
621 avahi_dbus_service_type_browser_free(i);
622 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
625 dbus_connection_register_object_path(c, i->path, &vtable, i);
626 return avahi_dbus_respond_path(c, m, i->path);
628 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew")) {
630 ServiceBrowserInfo *i;
631 static const DBusObjectPathVTable vtable = {
633 avahi_dbus_msg_service_browser_impl,
639 int32_t interface, protocol;
643 if (!dbus_message_get_args(
645 DBUS_TYPE_INT32, &interface,
646 DBUS_TYPE_INT32, &protocol,
647 DBUS_TYPE_STRING, &type,
648 DBUS_TYPE_STRING, &domain,
649 DBUS_TYPE_UINT32, &flags,
650 DBUS_TYPE_INVALID) || !type) {
651 avahi_log_warn("Error parsing Server::ServiceBrowserNew message");
655 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
656 avahi_log_warn("Too many clients, client request failed.");
657 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
660 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
661 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
662 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
668 i = avahi_new(ServiceBrowserInfo, 1);
669 i->id = ++client->current_id;
671 i->path = avahi_strdup_printf("/Client%u/ServiceBrowser%u", client->id, i->id);
672 AVAHI_LLIST_PREPEND(ServiceBrowserInfo, service_browsers, client->service_browsers, i);
675 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))) {
676 avahi_dbus_service_browser_free(i);
677 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
680 dbus_connection_register_object_path(c, i->path, &vtable, i);
681 return avahi_dbus_respond_path(c, m, i->path);
683 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveService")) {
685 int32_t interface, protocol, aprotocol;
687 char *name, *type, *domain;
688 SyncServiceResolverInfo *i;
690 if (!dbus_message_get_args(
692 DBUS_TYPE_INT32, &interface,
693 DBUS_TYPE_INT32, &protocol,
694 DBUS_TYPE_STRING, &name,
695 DBUS_TYPE_STRING, &type,
696 DBUS_TYPE_STRING, &domain,
697 DBUS_TYPE_INT32, &aprotocol,
698 DBUS_TYPE_UINT32, &flags,
699 DBUS_TYPE_INVALID) || !type) {
700 avahi_log_warn("Error parsing Server::ResolveService message");
704 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
705 avahi_log_warn("Too many clients, client request failed.");
706 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
709 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
710 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
711 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
720 i = avahi_new(SyncServiceResolverInfo, 1);
722 i->message = dbus_message_ref(m);
723 AVAHI_LLIST_PREPEND(SyncServiceResolverInfo, sync_service_resolvers, client->sync_service_resolvers, i);
726 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))) {
727 avahi_dbus_sync_service_resolver_free(i);
728 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
731 return DBUS_HANDLER_RESULT_HANDLED;
733 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew")) {
735 int32_t interface, protocol, aprotocol;
737 char *name, *type, *domain;
738 AsyncServiceResolverInfo *i;
739 static const DBusObjectPathVTable vtable = {
741 avahi_dbus_msg_async_service_resolver_impl,
748 if (!dbus_message_get_args(
750 DBUS_TYPE_INT32, &interface,
751 DBUS_TYPE_INT32, &protocol,
752 DBUS_TYPE_STRING, &name,
753 DBUS_TYPE_STRING, &type,
754 DBUS_TYPE_STRING, &domain,
755 DBUS_TYPE_INT32, &aprotocol,
756 DBUS_TYPE_UINT32, &flags,
757 DBUS_TYPE_INVALID) || !type) {
758 avahi_log_warn("Error parsing Server::ServiceResolverNew message");
762 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
763 avahi_log_warn(__FILE__": Too many clients, client request failed.");
764 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
767 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
768 avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
769 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
778 i = avahi_new(AsyncServiceResolverInfo, 1);
779 i->id = ++client->current_id;
781 i->path = avahi_strdup_printf("/Client%u/ServiceResolver%u", client->id, i->id);
782 AVAHI_LLIST_PREPEND(AsyncServiceResolverInfo, async_service_resolvers, client->async_service_resolvers, i);
785 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))) {
786 avahi_dbus_async_service_resolver_free(i);
787 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
790 /* avahi_log_debug(__FILE__": [%s], new service resolver for <%s.%s.%s>", i->path, name, type, domain); */
792 dbus_connection_register_object_path(c, i->path, &vtable, i);
793 return avahi_dbus_respond_path(c, m, i->path);
795 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew")) {
797 int32_t interface, protocol, aprotocol;
800 AsyncHostNameResolverInfo *i;
801 static const DBusObjectPathVTable vtable = {
803 avahi_dbus_msg_async_host_name_resolver_impl,
810 if (!dbus_message_get_args(
812 DBUS_TYPE_INT32, &interface,
813 DBUS_TYPE_INT32, &protocol,
814 DBUS_TYPE_STRING, &name,
815 DBUS_TYPE_INT32, &aprotocol,
816 DBUS_TYPE_UINT32, &flags,
817 DBUS_TYPE_INVALID) || !name) {
818 avahi_log_warn("Error parsing Server::HostNameResolverNew message");
822 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
823 avahi_log_warn(__FILE__": Too many clients, client request failed.");
824 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
827 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
828 avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
829 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
832 i = avahi_new(AsyncHostNameResolverInfo, 1);
833 i->id = ++client->current_id;
835 i->path = avahi_strdup_printf("/Client%u/HostNameResolver%u", client->id, i->id);
836 AVAHI_LLIST_PREPEND(AsyncHostNameResolverInfo, async_host_name_resolvers, client->async_host_name_resolvers, i);
839 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))) {
840 avahi_dbus_async_host_name_resolver_free(i);
841 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
844 dbus_connection_register_object_path(c, i->path, &vtable, i);
845 return avahi_dbus_respond_path(c, m, i->path);
847 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew")) {
849 int32_t interface, protocol;
852 AsyncAddressResolverInfo *i;
854 static const DBusObjectPathVTable vtable = {
856 avahi_dbus_msg_async_address_resolver_impl,
863 if (!dbus_message_get_args(
865 DBUS_TYPE_INT32, &interface,
866 DBUS_TYPE_INT32, &protocol,
867 DBUS_TYPE_STRING, &address,
868 DBUS_TYPE_UINT32, &flags,
869 DBUS_TYPE_INVALID) || !address) {
870 avahi_log_warn("Error parsing Server::AddressResolverNew message");
874 if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))
875 return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
877 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
878 avahi_log_warn(__FILE__": Too many clients, client request failed.");
879 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
882 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
883 avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
884 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
887 i = avahi_new(AsyncAddressResolverInfo, 1);
888 i->id = ++client->current_id;
890 i->path = avahi_strdup_printf("/Client%u/AddressResolver%u", client->id, i->id);
891 AVAHI_LLIST_PREPEND(AsyncAddressResolverInfo, async_address_resolvers, client->async_address_resolvers, i);
894 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))) {
895 avahi_dbus_async_address_resolver_free(i);
896 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
899 dbus_connection_register_object_path(c, i->path, &vtable, i);
900 return avahi_dbus_respond_path(c, m, i->path);
902 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "RecordBrowserNew")) {
904 RecordBrowserInfo *i;
905 static const DBusObjectPathVTable vtable = {
907 avahi_dbus_msg_record_browser_impl,
913 int32_t interface, protocol;
916 uint16_t type, clazz;
919 if (!dbus_message_get_args(
921 DBUS_TYPE_INT32, &interface,
922 DBUS_TYPE_INT32, &protocol,
923 DBUS_TYPE_STRING, &name,
924 DBUS_TYPE_UINT16, &clazz,
925 DBUS_TYPE_UINT16, &type,
926 DBUS_TYPE_UINT32, &flags,
927 DBUS_TYPE_INVALID) || !name) {
928 avahi_log_warn("Error parsing Server::RecordBrowserNew message");
932 if (!avahi_is_valid_domain_name(name))
933 return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_DOMAIN_NAME, NULL);
935 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
936 avahi_log_warn("Too many clients, client request failed.");
937 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
940 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
941 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
942 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
945 i = avahi_new(RecordBrowserInfo, 1);
946 i->id = ++client->current_id;
948 i->path = avahi_strdup_printf("/Client%u/RecordBrowser%u", client->id, i->id);
949 AVAHI_LLIST_PREPEND(RecordBrowserInfo, record_browsers, client->record_browsers, i);
952 key = avahi_key_new(name, clazz, type);
955 if (!(i->record_browser = avahi_s_record_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, key, (AvahiLookupFlags) flags, avahi_dbus_record_browser_callback, i))) {
956 avahi_key_unref(key);
957 avahi_dbus_record_browser_free(i);
958 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
961 avahi_key_unref(key);
963 dbus_connection_register_object_path(c, i->path, &vtable, i);
964 return avahi_dbus_respond_path(c, m, i->path);
967 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
970 if (dbus_error_is_set(&error))
971 dbus_error_free(&error);
973 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
976 void dbus_protocol_server_state_changed(AvahiServerState state) {
984 m = dbus_message_new_signal(AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "StateChanged");
987 if (state == AVAHI_SERVER_COLLISION)
988 e = AVAHI_DBUS_ERR_COLLISION;
989 else if (state == AVAHI_SERVER_FAILURE)
990 e = avahi_error_number_to_dbus(avahi_server_errno(avahi_server));
992 e = AVAHI_DBUS_ERR_OK;
994 dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_STRING, &e, DBUS_TYPE_INVALID);
995 dbus_connection_send(server->bus, m, NULL);
996 dbus_message_unref(m);
999 int dbus_protocol_setup(const AvahiPoll *poll_api, int _disable_user_service_publishing) {
1002 static const DBusObjectPathVTable server_vtable = {
1011 dbus_error_init(&error);
1013 disable_user_service_publishing = _disable_user_service_publishing;
1015 server = avahi_new(Server, 1);
1016 AVAHI_LLIST_HEAD_INIT(Clients, server->clients);
1017 server->current_id = 0;
1018 server->n_clients = 0;
1020 if (!(server->bus = dbus_bus_get(DBUS_BUS_SYSTEM, &error))) {
1021 assert(dbus_error_is_set(&error));
1022 avahi_log_error("dbus_bus_get(): %s", error.message);
1026 if (avahi_dbus_connection_glue(server->bus, poll_api) < 0) {
1027 avahi_log_error("avahi_dbus_connection_glue() failed");
1031 if (dbus_bus_request_name(
1034 #if (DBUS_VERSION_MAJOR == 0) && (DBUS_VERSION_MINOR >= 60)
1035 DBUS_NAME_FLAG_DO_NOT_QUEUE,
1037 DBUS_NAME_FLAG_PROHIBIT_REPLACEMENT,
1039 &error) != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
1040 if (dbus_error_is_set(&error)) {
1041 avahi_log_error("dbus_bus_request_name(): %s", error.message);
1045 avahi_log_error("Failed to acquire DBUS name '"AVAHI_DBUS_NAME"'");
1049 if (!(dbus_connection_add_filter(server->bus, msg_signal_filter_impl, (void*) poll_api, NULL))) {
1050 avahi_log_error("dbus_connection_add_filter() failed");
1054 dbus_bus_add_match(server->bus, "type='signal',""interface='" DBUS_INTERFACE_DBUS "'", &error);
1056 if (dbus_error_is_set(&error)) {
1057 avahi_log_error("dbus_bus_add_match(): %s", error.message);
1061 if (!(dbus_connection_register_object_path(server->bus, AVAHI_DBUS_PATH_SERVER, &server_vtable, NULL))) {
1062 avahi_log_error("dbus_connection_register_object_path() failed");
1070 dbus_connection_disconnect(server->bus);
1071 dbus_connection_unref(server->bus);
1074 if (dbus_error_is_set(&error))
1075 dbus_error_free(&error);
1082 void dbus_protocol_shutdown(void) {
1086 while (server->clients)
1087 client_free(server->clients);
1089 assert(server->n_clients == 0);
1092 dbus_connection_disconnect(server->bus);
1093 dbus_connection_unref(server->bus);