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);
160 static DBusHandlerResult msg_signal_filter_impl(AVAHI_GCC_UNUSED DBusConnection *c, DBusMessage *m, AVAHI_GCC_UNUSED void *userdata) {
163 dbus_error_init(&error);
165 /* avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", */
166 /* dbus_message_get_interface(m), */
167 /* dbus_message_get_path(m), */
168 /* dbus_message_get_member(m)); */
170 if (dbus_message_is_signal(m, DBUS_INTERFACE_LOCAL, "Disconnected")) {
171 /* No, we shouldn't quit, but until we get somewhere
172 * usefull such that we can restore our state, we will */
173 avahi_log_warn("Disconnnected from D-BUS, terminating...");
175 raise(SIGQUIT); /* The signal handler will catch this and terminate the process cleanly*/
177 return DBUS_HANDLER_RESULT_HANDLED;
179 } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameAcquired")) {
182 if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
183 avahi_log_warn("Error parsing NameAcquired message");
187 /* avahi_log_info(__FILE__": name acquired (%s)", name); */
188 return DBUS_HANDLER_RESULT_HANDLED;
190 } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
191 char *name, *old, *new;
193 if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &old, DBUS_TYPE_STRING, &new, DBUS_TYPE_INVALID)) {
194 avahi_log_warn("Error parsing NameOwnerChanged message");
201 if ((client = client_get(name, FALSE))) {
202 avahi_log_debug(__FILE__": client %s vanished.", name);
209 if (dbus_error_is_set(&error))
210 dbus_error_free(&error);
212 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
215 static DBusHandlerResult msg_server_impl(DBusConnection *c, DBusMessage *m, AVAHI_GCC_UNUSED void *userdata) {
218 dbus_error_init(&error);
220 avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
221 dbus_message_get_interface(m),
222 dbus_message_get_path(m),
223 dbus_message_get_member(m));
225 if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
226 return avahi_dbus_handle_introspect(c, m, "Server.introspect");
228 else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostName")) {
230 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
231 avahi_log_warn("Error parsing Server::GetHostName message");
235 return avahi_dbus_respond_string(c, m, avahi_server_get_host_name(avahi_server));
237 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetDomainName")) {
239 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
240 avahi_log_warn("Error parsing Server::GetDomainName message");
244 return avahi_dbus_respond_string(c, m, avahi_server_get_domain_name(avahi_server));
246 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostNameFqdn")) {
248 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
249 avahi_log_warn("Error parsing Server::GetHostNameFqdn message");
253 return avahi_dbus_respond_string(c, m, avahi_server_get_host_name_fqdn(avahi_server));
255 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetVersionString")) {
257 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
258 avahi_log_warn("Error parsing Server::GetVersionString message");
262 return avahi_dbus_respond_string(c, m, PACKAGE_STRING);
264 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAPIVersion")) {
266 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
267 avahi_log_warn("Error parsing Server::GetAPIVersion message");
271 return avahi_dbus_respond_uint32(c, m, AVAHI_DBUS_API_VERSION);
273 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetState")) {
274 AvahiServerState state;
276 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
277 avahi_log_warn("Error parsing Server::GetState message");
281 state = avahi_server_get_state(avahi_server);
282 return avahi_dbus_respond_int32(c, m, (int32_t) state);
284 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetLocalServiceCookie")) {
286 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
287 avahi_log_warn("Error parsing Server::GetLocalServiceCookie message");
291 return avahi_dbus_respond_uint32(c, m, avahi_server_get_local_service_cookie(avahi_server));
293 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceNameByIndex")) {
296 char name[IF_NAMESIZE];
299 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INT32, &idx, DBUS_TYPE_INVALID))) {
300 avahi_log_warn("Error parsing Server::GetNetworkInterfaceNameByIndex message");
304 #ifdef VALGRIND_WORKAROUND
305 return respond_string(c, m, "blah");
308 if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
309 if ((fd = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
311 snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
312 return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt);
315 if ((!if_indextoname(idx, name))) {
317 snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
319 return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt);
324 return avahi_dbus_respond_string(c, m, name);
327 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceIndexByName")) {
332 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
333 avahi_log_warn("Error parsing Server::GetNetworkInterfaceIndexByName message");
337 #ifdef VALGRIND_WORKAROUND
338 return respond_int32(c, m, 1);
340 if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
341 if ((fd = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
343 snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
344 return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt);
347 if (!(idx = if_nametoindex(n))) {
349 snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
351 return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt);
356 return avahi_dbus_respond_int32(c, m, idx);
359 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeHostName")) {
362 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
363 avahi_log_warn("Error parsing Server::GetAlternativeHostName message");
367 t = avahi_alternative_host_name(n);
368 avahi_dbus_respond_string(c, m, t);
371 return DBUS_HANDLER_RESULT_HANDLED;
373 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeServiceName")) {
376 if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
377 avahi_log_warn("Error parsing Server::GetAlternativeServiceName message");
381 t = avahi_alternative_service_name(n);
382 avahi_dbus_respond_string(c, m, t);
385 return DBUS_HANDLER_RESULT_HANDLED;
387 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "EntryGroupNew")) {
390 static const DBusObjectPathVTable vtable = {
392 avahi_dbus_msg_entry_group_impl,
399 if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
400 avahi_log_warn("Error parsing Server::EntryGroupNew message");
404 if (disable_user_service_publishing)
405 return avahi_dbus_respond_error(c, m, AVAHI_ERR_NOT_PERMITTED, NULL);
407 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
408 avahi_log_warn("Too many clients, client request failed.");
409 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
412 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
413 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
414 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
417 i = avahi_new(EntryGroupInfo, 1);
418 i->id = ++client->current_id;
420 i->path = avahi_strdup_printf("/Client%u/EntryGroup%u", client->id, i->id);
422 AVAHI_LLIST_PREPEND(EntryGroupInfo, entry_groups, client->entry_groups, i);
425 if (!(i->entry_group = avahi_s_entry_group_new(avahi_server, avahi_dbus_entry_group_callback, i))) {
426 avahi_dbus_entry_group_free(i);
427 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
430 dbus_connection_register_object_path(c, i->path, &vtable, i);
431 return avahi_dbus_respond_path(c, m, i->path);
433 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveHostName")) {
435 int32_t interface, protocol, aprotocol;
438 SyncHostNameResolverInfo *i;
440 if (!dbus_message_get_args(
442 DBUS_TYPE_INT32, &interface,
443 DBUS_TYPE_INT32, &protocol,
444 DBUS_TYPE_STRING, &name,
445 DBUS_TYPE_INT32, &aprotocol,
446 DBUS_TYPE_UINT32, &flags,
447 DBUS_TYPE_INVALID) || !name) {
448 avahi_log_warn("Error parsing Server::ResolveHostName message");
452 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
453 avahi_log_warn("Too many clients, client request failed.");
454 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
457 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
458 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
459 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
462 i = avahi_new(SyncHostNameResolverInfo, 1);
464 i->message = dbus_message_ref(m);
465 AVAHI_LLIST_PREPEND(SyncHostNameResolverInfo, sync_host_name_resolvers, client->sync_host_name_resolvers, i);
468 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))) {
469 avahi_dbus_sync_host_name_resolver_free(i);
470 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
473 return DBUS_HANDLER_RESULT_HANDLED;
475 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveAddress")) {
477 int32_t interface, protocol;
480 SyncAddressResolverInfo *i;
483 if (!dbus_message_get_args(
485 DBUS_TYPE_INT32, &interface,
486 DBUS_TYPE_INT32, &protocol,
487 DBUS_TYPE_STRING, &address,
488 DBUS_TYPE_UINT32, &flags,
489 DBUS_TYPE_INVALID) || !address) {
490 avahi_log_warn("Error parsing Server::ResolveAddress message");
494 if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))
495 return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
497 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
498 avahi_log_warn("Too many clients, client request failed.");
499 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
502 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
503 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
504 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
507 i = avahi_new(SyncAddressResolverInfo, 1);
509 i->message = dbus_message_ref(m);
510 AVAHI_LLIST_PREPEND(SyncAddressResolverInfo, sync_address_resolvers, client->sync_address_resolvers, i);
513 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))) {
514 avahi_dbus_sync_address_resolver_free(i);
515 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
518 return DBUS_HANDLER_RESULT_HANDLED;
520 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew")) {
522 DomainBrowserInfo *i;
523 static const DBusObjectPathVTable vtable = {
525 avahi_dbus_msg_domain_browser_impl,
531 int32_t interface, protocol, type;
535 if (!dbus_message_get_args(
537 DBUS_TYPE_INT32, &interface,
538 DBUS_TYPE_INT32, &protocol,
539 DBUS_TYPE_STRING, &domain,
540 DBUS_TYPE_INT32, &type,
541 DBUS_TYPE_UINT32, &flags,
542 DBUS_TYPE_INVALID) || type < 0 || type >= AVAHI_DOMAIN_BROWSER_MAX) {
543 avahi_log_warn("Error parsing Server::DomainBrowserNew message");
547 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
548 avahi_log_warn("Too many clients, client request failed.");
549 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
552 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
553 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
554 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
560 i = avahi_new(DomainBrowserInfo, 1);
561 i->id = ++client->current_id;
563 i->path = avahi_strdup_printf("/Client%u/DomainBrowser%u", client->id, i->id);
564 AVAHI_LLIST_PREPEND(DomainBrowserInfo, domain_browsers, client->domain_browsers, i);
567 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))) {
568 avahi_dbus_domain_browser_free(i);
569 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
572 dbus_connection_register_object_path(c, i->path, &vtable, i);
573 return avahi_dbus_respond_path(c, m, i->path);
575 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceTypeBrowserNew")) {
577 ServiceTypeBrowserInfo *i;
578 static const DBusObjectPathVTable vtable = {
580 avahi_dbus_msg_service_type_browser_impl,
586 int32_t interface, protocol;
590 if (!dbus_message_get_args(
592 DBUS_TYPE_INT32, &interface,
593 DBUS_TYPE_INT32, &protocol,
594 DBUS_TYPE_STRING, &domain,
595 DBUS_TYPE_UINT32, &flags,
596 DBUS_TYPE_INVALID)) {
597 avahi_log_warn("Error parsing Server::ServiceTypeBrowserNew message");
601 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
602 avahi_log_warn("Too many clients, client request failed.");
603 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
606 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
607 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
608 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
614 i = avahi_new(ServiceTypeBrowserInfo, 1);
615 i->id = ++client->current_id;
617 i->path = avahi_strdup_printf("/Client%u/ServiceTypeBrowser%u", client->id, i->id);
618 AVAHI_LLIST_PREPEND(ServiceTypeBrowserInfo, service_type_browsers, client->service_type_browsers, i);
621 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))) {
622 avahi_dbus_service_type_browser_free(i);
623 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
626 dbus_connection_register_object_path(c, i->path, &vtable, i);
627 return avahi_dbus_respond_path(c, m, i->path);
629 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew")) {
631 ServiceBrowserInfo *i;
632 static const DBusObjectPathVTable vtable = {
634 avahi_dbus_msg_service_browser_impl,
640 int32_t interface, protocol;
644 if (!dbus_message_get_args(
646 DBUS_TYPE_INT32, &interface,
647 DBUS_TYPE_INT32, &protocol,
648 DBUS_TYPE_STRING, &type,
649 DBUS_TYPE_STRING, &domain,
650 DBUS_TYPE_UINT32, &flags,
651 DBUS_TYPE_INVALID) || !type) {
652 avahi_log_warn("Error parsing Server::ServiceBrowserNew message");
656 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
657 avahi_log_warn("Too many clients, client request failed.");
658 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
661 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
662 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
663 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
669 i = avahi_new(ServiceBrowserInfo, 1);
670 i->id = ++client->current_id;
672 i->path = avahi_strdup_printf("/Client%u/ServiceBrowser%u", client->id, i->id);
673 AVAHI_LLIST_PREPEND(ServiceBrowserInfo, service_browsers, client->service_browsers, i);
676 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))) {
677 avahi_dbus_service_browser_free(i);
678 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
681 dbus_connection_register_object_path(c, i->path, &vtable, i);
682 return avahi_dbus_respond_path(c, m, i->path);
684 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveService")) {
686 int32_t interface, protocol, aprotocol;
688 char *name, *type, *domain;
689 SyncServiceResolverInfo *i;
691 if (!dbus_message_get_args(
693 DBUS_TYPE_INT32, &interface,
694 DBUS_TYPE_INT32, &protocol,
695 DBUS_TYPE_STRING, &name,
696 DBUS_TYPE_STRING, &type,
697 DBUS_TYPE_STRING, &domain,
698 DBUS_TYPE_INT32, &aprotocol,
699 DBUS_TYPE_UINT32, &flags,
700 DBUS_TYPE_INVALID) || !type) {
701 avahi_log_warn("Error parsing Server::ResolveService message");
705 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
706 avahi_log_warn("Too many clients, client request failed.");
707 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
710 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
711 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
712 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
721 i = avahi_new(SyncServiceResolverInfo, 1);
723 i->message = dbus_message_ref(m);
724 AVAHI_LLIST_PREPEND(SyncServiceResolverInfo, sync_service_resolvers, client->sync_service_resolvers, i);
727 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))) {
728 avahi_dbus_sync_service_resolver_free(i);
729 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
732 return DBUS_HANDLER_RESULT_HANDLED;
734 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew")) {
736 int32_t interface, protocol, aprotocol;
738 char *name, *type, *domain;
739 AsyncServiceResolverInfo *i;
740 static const DBusObjectPathVTable vtable = {
742 avahi_dbus_msg_async_service_resolver_impl,
749 if (!dbus_message_get_args(
751 DBUS_TYPE_INT32, &interface,
752 DBUS_TYPE_INT32, &protocol,
753 DBUS_TYPE_STRING, &name,
754 DBUS_TYPE_STRING, &type,
755 DBUS_TYPE_STRING, &domain,
756 DBUS_TYPE_INT32, &aprotocol,
757 DBUS_TYPE_UINT32, &flags,
758 DBUS_TYPE_INVALID) || !type) {
759 avahi_log_warn("Error parsing Server::ServiceResolverNew message");
763 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
764 avahi_log_warn(__FILE__": Too many clients, client request failed.");
765 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
768 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
769 avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
770 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
779 i = avahi_new(AsyncServiceResolverInfo, 1);
780 i->id = ++client->current_id;
782 i->path = avahi_strdup_printf("/Client%u/ServiceResolver%u", client->id, i->id);
783 AVAHI_LLIST_PREPEND(AsyncServiceResolverInfo, async_service_resolvers, client->async_service_resolvers, i);
786 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))) {
787 avahi_dbus_async_service_resolver_free(i);
788 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
791 /* avahi_log_debug(__FILE__": [%s], new service resolver for <%s.%s.%s>", i->path, name, type, domain); */
793 dbus_connection_register_object_path(c, i->path, &vtable, i);
794 return avahi_dbus_respond_path(c, m, i->path);
796 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew")) {
798 int32_t interface, protocol, aprotocol;
801 AsyncHostNameResolverInfo *i;
802 static const DBusObjectPathVTable vtable = {
804 avahi_dbus_msg_async_host_name_resolver_impl,
811 if (!dbus_message_get_args(
813 DBUS_TYPE_INT32, &interface,
814 DBUS_TYPE_INT32, &protocol,
815 DBUS_TYPE_STRING, &name,
816 DBUS_TYPE_INT32, &aprotocol,
817 DBUS_TYPE_UINT32, &flags,
818 DBUS_TYPE_INVALID) || !name) {
819 avahi_log_warn("Error parsing Server::HostNameResolverNew message");
823 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
824 avahi_log_warn(__FILE__": Too many clients, client request failed.");
825 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
828 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
829 avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
830 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
833 i = avahi_new(AsyncHostNameResolverInfo, 1);
834 i->id = ++client->current_id;
836 i->path = avahi_strdup_printf("/Client%u/HostNameResolver%u", client->id, i->id);
837 AVAHI_LLIST_PREPEND(AsyncHostNameResolverInfo, async_host_name_resolvers, client->async_host_name_resolvers, i);
840 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))) {
841 avahi_dbus_async_host_name_resolver_free(i);
842 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
845 dbus_connection_register_object_path(c, i->path, &vtable, i);
846 return avahi_dbus_respond_path(c, m, i->path);
848 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew")) {
850 int32_t interface, protocol;
853 AsyncAddressResolverInfo *i;
855 static const DBusObjectPathVTable vtable = {
857 avahi_dbus_msg_async_address_resolver_impl,
864 if (!dbus_message_get_args(
866 DBUS_TYPE_INT32, &interface,
867 DBUS_TYPE_INT32, &protocol,
868 DBUS_TYPE_STRING, &address,
869 DBUS_TYPE_UINT32, &flags,
870 DBUS_TYPE_INVALID) || !address) {
871 avahi_log_warn("Error parsing Server::AddressResolverNew message");
875 if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))
876 return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
878 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
879 avahi_log_warn(__FILE__": Too many clients, client request failed.");
880 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
883 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
884 avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
885 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
888 i = avahi_new(AsyncAddressResolverInfo, 1);
889 i->id = ++client->current_id;
891 i->path = avahi_strdup_printf("/Client%u/AddressResolver%u", client->id, i->id);
892 AVAHI_LLIST_PREPEND(AsyncAddressResolverInfo, async_address_resolvers, client->async_address_resolvers, i);
895 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))) {
896 avahi_dbus_async_address_resolver_free(i);
897 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
900 dbus_connection_register_object_path(c, i->path, &vtable, i);
901 return avahi_dbus_respond_path(c, m, i->path);
903 } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "RecordBrowserNew")) {
905 RecordBrowserInfo *i;
906 static const DBusObjectPathVTable vtable = {
908 avahi_dbus_msg_record_browser_impl,
914 int32_t interface, protocol;
917 uint16_t type, clazz;
920 if (!dbus_message_get_args(
922 DBUS_TYPE_INT32, &interface,
923 DBUS_TYPE_INT32, &protocol,
924 DBUS_TYPE_STRING, &name,
925 DBUS_TYPE_UINT16, &clazz,
926 DBUS_TYPE_UINT16, &type,
927 DBUS_TYPE_UINT32, &flags,
928 DBUS_TYPE_INVALID) || !name) {
929 avahi_log_warn("Error parsing Server::RecordBrowserNew message");
933 if (!avahi_is_valid_domain_name(name))
934 return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_DOMAIN_NAME, NULL);
936 if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
937 avahi_log_warn("Too many clients, client request failed.");
938 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
941 if (client->n_objects >= OBJECTS_PER_CLIENT_MAX) {
942 avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
943 return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
946 i = avahi_new(RecordBrowserInfo, 1);
947 i->id = ++client->current_id;
949 i->path = avahi_strdup_printf("/Client%u/RecordBrowser%u", client->id, i->id);
950 AVAHI_LLIST_PREPEND(RecordBrowserInfo, record_browsers, client->record_browsers, i);
953 key = avahi_key_new(name, clazz, type);
956 if (!(i->record_browser = avahi_s_record_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, key, (AvahiLookupFlags) flags, avahi_dbus_record_browser_callback, i))) {
957 avahi_key_unref(key);
958 avahi_dbus_record_browser_free(i);
959 return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL);
962 avahi_key_unref(key);
964 dbus_connection_register_object_path(c, i->path, &vtable, i);
965 return avahi_dbus_respond_path(c, m, i->path);
968 avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
971 if (dbus_error_is_set(&error))
972 dbus_error_free(&error);
974 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
977 void dbus_protocol_server_state_changed(AvahiServerState state) {
985 m = dbus_message_new_signal(AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "StateChanged");
988 if (state == AVAHI_SERVER_COLLISION)
989 e = AVAHI_DBUS_ERR_COLLISION;
990 else if (state == AVAHI_SERVER_FAILURE)
991 e = avahi_error_number_to_dbus(avahi_server_errno(avahi_server));
993 e = AVAHI_DBUS_ERR_OK;
995 dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_STRING, &e, DBUS_TYPE_INVALID);
996 dbus_connection_send(server->bus, m, NULL);
997 dbus_message_unref(m);
1000 int dbus_protocol_setup(const AvahiPoll *poll_api, int _disable_user_service_publishing) {
1003 static const DBusObjectPathVTable server_vtable = {
1012 dbus_error_init(&error);
1014 disable_user_service_publishing = _disable_user_service_publishing;
1016 server = avahi_new(Server, 1);
1017 AVAHI_LLIST_HEAD_INIT(Clients, server->clients);
1018 server->current_id = 0;
1019 server->n_clients = 0;
1021 if (!(server->bus = dbus_bus_get(DBUS_BUS_SYSTEM, &error))) {
1022 assert(dbus_error_is_set(&error));
1023 avahi_log_error("dbus_bus_get(): %s", error.message);
1027 if (avahi_dbus_connection_glue(server->bus, poll_api) < 0) {
1028 avahi_log_error("avahi_dbus_connection_glue() failed");
1032 if (dbus_bus_request_name(server->bus, AVAHI_DBUS_NAME, DBUS_NAME_FLAG_PROHIBIT_REPLACEMENT, &error) != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
1033 if (dbus_error_is_set(&error)) {
1034 avahi_log_error("dbus_bus_request_name(): %s", error.message);
1038 avahi_log_error("Failed to acquire DBUS name '"AVAHI_DBUS_NAME"'");
1042 if (!(dbus_connection_add_filter(server->bus, msg_signal_filter_impl, (void*) poll_api, NULL))) {
1043 avahi_log_error("dbus_connection_add_filter() failed");
1047 dbus_bus_add_match(server->bus, "type='signal',""interface='" DBUS_INTERFACE_DBUS "'", &error);
1049 if (dbus_error_is_set(&error)) {
1050 avahi_log_error("dbus_bus_add_match(): %s", error.message);
1054 if (!(dbus_connection_register_object_path(server->bus, AVAHI_DBUS_PATH_SERVER, &server_vtable, NULL))) {
1055 avahi_log_error("dbus_connection_register_object_path() failed");
1063 dbus_connection_disconnect(server->bus);
1064 dbus_connection_unref(server->bus);
1067 if (dbus_error_is_set(&error))
1068 dbus_error_free(&error);
1075 void dbus_protocol_shutdown(void) {
1079 while (server->clients)
1080 client_free(server->clients);
1082 assert(server->n_clients == 0);
1085 dbus_connection_disconnect(server->bus);
1086 dbus_connection_unref(server->bus);