-typedef struct Server Server;
-typedef struct Client Client;
-typedef struct EntryGroupInfo EntryGroupInfo;
-typedef struct SyncHostNameResolverInfo SyncHostNameResolverInfo;
-typedef struct AsyncHostNameResolverInfo AsyncHostNameResolverInfo;
-typedef struct SyncAddressResolverInfo SyncAddressResolverInfo;
-typedef struct AsyncAddressResolverInfo AsyncAddressResolverInfo;
-typedef struct DomainBrowserInfo DomainBrowserInfo;
-typedef struct ServiceTypeBrowserInfo ServiceTypeBrowserInfo;
-typedef struct ServiceBrowserInfo ServiceBrowserInfo;
-typedef struct SyncServiceResolverInfo SyncServiceResolverInfo;
-typedef struct AsyncServiceResolverInfo AsyncServiceResolverInfo;
-
-#define CLIENTS_MAX 256
-#define OBJECTS_PER_CLIENT_MAX 50
-#define ENTRIES_PER_ENTRY_GROUP_MAX 20
-
-/* #define VALGRIND_WORKAROUND 1 */
-
-struct EntryGroupInfo {
- unsigned id;
- Client *client;
- AvahiSEntryGroup *entry_group;
- char *path;
-
- int n_entries;
-
- AVAHI_LLIST_FIELDS(EntryGroupInfo, entry_groups);
-};
-
-struct SyncHostNameResolverInfo {
- Client *client;
- AvahiSHostNameResolver *host_name_resolver;
- DBusMessage *message;
-
- AVAHI_LLIST_FIELDS(SyncHostNameResolverInfo, sync_host_name_resolvers);
-};
-
-struct AsyncHostNameResolverInfo {
- unsigned id;
- Client *client;
- AvahiSHostNameResolver *host_name_resolver;
- char *path;
-
- AVAHI_LLIST_FIELDS(AsyncHostNameResolverInfo, async_host_name_resolvers);
-};
-
-struct SyncAddressResolverInfo {
- Client *client;
- AvahiSAddressResolver *address_resolver;
- DBusMessage *message;
-
- AVAHI_LLIST_FIELDS(SyncAddressResolverInfo, sync_address_resolvers);
-};
-
-struct AsyncAddressResolverInfo {
- unsigned id;
- Client *client;
- AvahiSAddressResolver *address_resolver;
- char *path;
-
- AVAHI_LLIST_FIELDS(AsyncAddressResolverInfo, async_address_resolvers);
-};
-
-struct DomainBrowserInfo {
- unsigned id;
- Client *client;
- AvahiSDomainBrowser *domain_browser;
- char *path;
-
- AVAHI_LLIST_FIELDS(DomainBrowserInfo, domain_browsers);
-};
-
-struct ServiceTypeBrowserInfo {
- unsigned id;
- Client *client;
- AvahiSServiceTypeBrowser *service_type_browser;
- char *path;
-
- AVAHI_LLIST_FIELDS(ServiceTypeBrowserInfo, service_type_browsers);
-};
-
-struct ServiceBrowserInfo {
- unsigned id;
- Client *client;
- AvahiSServiceBrowser *service_browser;
- char *path;
-
- AVAHI_LLIST_FIELDS(ServiceBrowserInfo, service_browsers);
-};
-
-struct SyncServiceResolverInfo {
- Client *client;
- AvahiSServiceResolver *service_resolver;
- DBusMessage *message;
-
- AVAHI_LLIST_FIELDS(SyncServiceResolverInfo, sync_service_resolvers);
-};
-
-struct AsyncServiceResolverInfo {
- unsigned id;
- Client *client;
- AvahiSServiceResolver *service_resolver;
- char *path;
-
- AVAHI_LLIST_FIELDS(AsyncServiceResolverInfo, async_service_resolvers);
-};
-
-struct Client {
- unsigned id;
- char *name;
- unsigned current_id;
- int n_objects;
-
- AVAHI_LLIST_FIELDS(Client, clients);
- AVAHI_LLIST_HEAD(EntryGroupInfo, entry_groups);
- AVAHI_LLIST_HEAD(SyncHostNameResolverInfo, sync_host_name_resolvers);
- AVAHI_LLIST_HEAD(AsyncHostNameResolverInfo, async_host_name_resolvers);
- AVAHI_LLIST_HEAD(SyncAddressResolverInfo, sync_address_resolvers);
- AVAHI_LLIST_HEAD(AsyncAddressResolverInfo, async_address_resolvers);
- AVAHI_LLIST_HEAD(DomainBrowserInfo, domain_browsers);
- AVAHI_LLIST_HEAD(ServiceTypeBrowserInfo, service_type_browsers);
- AVAHI_LLIST_HEAD(ServiceBrowserInfo, service_browsers);
- AVAHI_LLIST_HEAD(SyncServiceResolverInfo, sync_service_resolvers);
- AVAHI_LLIST_HEAD(AsyncServiceResolverInfo, async_service_resolvers);
-};
-
-struct Server {
- DBusConnection *bus;
- AVAHI_LLIST_HEAD(Client, clients);
- int n_clients;
- unsigned current_id;
-};
-
-static Server *server = NULL;
-
-static void entry_group_free(EntryGroupInfo *i) {
- assert(i);
-
- if (i->entry_group)
- avahi_s_entry_group_free(i->entry_group);
- dbus_connection_unregister_object_path(server->bus, i->path);
- avahi_free(i->path);
- AVAHI_LLIST_REMOVE(EntryGroupInfo, entry_groups, i->client->entry_groups, i);
-
- i->client->n_objects--;
- assert(i->client->n_objects >= 0);
-
- avahi_free(i);
-}
-
-static void sync_host_name_resolver_free(SyncHostNameResolverInfo *i) {
- assert(i);
-
- if (i->host_name_resolver)
- avahi_s_host_name_resolver_free(i->host_name_resolver);
- dbus_message_unref(i->message);
- AVAHI_LLIST_REMOVE(SyncHostNameResolverInfo, sync_host_name_resolvers, i->client->sync_host_name_resolvers, i);
-
- i->client->n_objects--;
- assert(i->client->n_objects >= 0);
-
- avahi_free(i);
-}
-
-static void async_host_name_resolver_free(AsyncHostNameResolverInfo *i) {
- assert(i);
-
- if (i->host_name_resolver)
- avahi_s_host_name_resolver_free(i->host_name_resolver);
- dbus_connection_unregister_object_path(server->bus, i->path);
- AVAHI_LLIST_REMOVE(AsyncHostNameResolverInfo, async_host_name_resolvers, i->client->async_host_name_resolvers, i);
-
- i->client->n_objects--;
- assert(i->client->n_objects >= 0);
-
- avahi_free(i);
-}
-
-static void sync_address_resolver_free(SyncAddressResolverInfo *i) {
- assert(i);
-
- if (i->address_resolver)
- avahi_s_address_resolver_free(i->address_resolver);
- dbus_message_unref(i->message);
- AVAHI_LLIST_REMOVE(SyncAddressResolverInfo, sync_address_resolvers, i->client->sync_address_resolvers, i);
-
- i->client->n_objects--;
- assert(i->client->n_objects >= 0);
-
- avahi_free(i);
-}
-
-static void async_address_resolver_free(AsyncAddressResolverInfo *i) {
- assert(i);
-
- if (i->address_resolver)
- avahi_s_address_resolver_free(i->address_resolver);
- dbus_connection_unregister_object_path(server->bus, i->path);
- AVAHI_LLIST_REMOVE(AsyncAddressResolverInfo, async_address_resolvers, i->client->async_address_resolvers, i);
-
- i->client->n_objects--;
- assert(i->client->n_objects >= 0);
-
- avahi_free(i);
-}
-
-static void domain_browser_free(DomainBrowserInfo *i) {
- assert(i);
-
- if (i->domain_browser)
- avahi_s_domain_browser_free(i->domain_browser);
- dbus_connection_unregister_object_path(server->bus, i->path);
- avahi_free(i->path);
- AVAHI_LLIST_REMOVE(DomainBrowserInfo, domain_browsers, i->client->domain_browsers, i);
-
- i->client->n_objects--;
- assert(i->client->n_objects >= 0);
-
- avahi_free(i);
-}
-
-static void service_type_browser_free(ServiceTypeBrowserInfo *i) {
- assert(i);
-
- if (i->service_type_browser)
- avahi_s_service_type_browser_free(i->service_type_browser);
- dbus_connection_unregister_object_path(server->bus, i->path);
- avahi_free(i->path);
- AVAHI_LLIST_REMOVE(ServiceTypeBrowserInfo, service_type_browsers, i->client->service_type_browsers, i);
-
- i->client->n_objects--;
- assert(i->client->n_objects >= 0);
-
- avahi_free(i);
-}
-
-static void service_browser_free(ServiceBrowserInfo *i) {
- assert(i);
-
- if (i->service_browser)
- avahi_s_service_browser_free(i->service_browser);
- dbus_connection_unregister_object_path(server->bus, i->path);
- avahi_free(i->path);
- AVAHI_LLIST_REMOVE(ServiceBrowserInfo, service_browsers, i->client->service_browsers, i);
-
- i->client->n_objects--;
- assert(i->client->n_objects >= 0);
-
- avahi_free(i);
-}
-
-static void sync_service_resolver_free(SyncServiceResolverInfo *i) {
- assert(i);
-
- if (i->service_resolver)
- avahi_s_service_resolver_free(i->service_resolver);
- dbus_message_unref(i->message);
- AVAHI_LLIST_REMOVE(SyncServiceResolverInfo, sync_service_resolvers, i->client->sync_service_resolvers, i);
-
- i->client->n_objects--;
- assert(i->client->n_objects >= 0);
-
- avahi_free(i);
-}
-
-static void async_service_resolver_free(AsyncServiceResolverInfo *i) {
- assert(i);
-
- if (i->service_resolver)
- avahi_s_service_resolver_free(i->service_resolver);
-
- dbus_connection_unregister_object_path(server->bus, i->path);
- AVAHI_LLIST_REMOVE(AsyncServiceResolverInfo, async_service_resolvers, i->client->async_service_resolvers, i);
-
- i->client->n_objects--;
- assert(i->client->n_objects >= 0);
-
- avahi_free(i);
-}
-
-static void client_free(Client *c) {
-
- assert(server);
- assert(c);
-
- while (c->entry_groups)
- entry_group_free(c->entry_groups);
-
- while (c->sync_host_name_resolvers)
- sync_host_name_resolver_free(c->sync_host_name_resolvers);
-
- while (c->async_host_name_resolvers)
- async_host_name_resolver_free(c->async_host_name_resolvers);
-
- while (c->sync_address_resolvers)
- sync_address_resolver_free(c->sync_address_resolvers);
-
- while (c->async_address_resolvers)
- async_address_resolver_free(c->async_address_resolvers);
-
- while (c->domain_browsers)
- domain_browser_free(c->domain_browsers);
-
- while (c->service_type_browsers)
- service_type_browser_free(c->service_type_browsers);
-
- while (c->service_browsers)
- service_browser_free(c->service_browsers);
-
- while (c->sync_service_resolvers)
- sync_service_resolver_free(c->sync_service_resolvers);
-
- while (c->async_service_resolvers)
- async_service_resolver_free(c->async_service_resolvers);
-
- assert(c->n_objects == 0);
-
- avahi_free(c->name);
- AVAHI_LLIST_REMOVE(Client, clients, server->clients, c);
- avahi_free(c);
-
- server->n_clients --;
- assert(server->n_clients >= 0);
-}
-
-static Client *client_get(const char *name, int create) {
- Client *client;
-
- assert(server);
- assert(name);
-
- for (client = server->clients; client; client = client->clients_next)
- if (!strcmp(name, client->name))
- return client;
-
- if (!create)
- return NULL;
-
- if (server->n_clients >= CLIENTS_MAX)
- return NULL;
-
- /* If not existant yet, create a new entry */
- client = avahi_new(Client, 1);
- client->id = server->current_id++;
- client->name = avahi_strdup(name);
- client->current_id = 0;
- client->n_objects = 0;
-
- AVAHI_LLIST_HEAD_INIT(EntryGroupInfo, client->entry_groups);
- AVAHI_LLIST_HEAD_INIT(SyncHostNameResolverInfo, client->sync_host_name_resolvers);
- AVAHI_LLIST_HEAD_INIT(AsyncHostNameResolverInfo, client->async_host_name_resolvers);
- AVAHI_LLIST_HEAD_INIT(SyncAddressResolverInfo, client->sync_address_resolvers);
- AVAHI_LLIST_HEAD_INIT(AsyncAddressResolverInfo, client->async_address_resolvers);
- AVAHI_LLIST_HEAD_INIT(DomainBrowserInfo, client->domain_browsers);
- AVAHI_LLIST_HEAD_INIT(ServiceTypeBrowserInfo, client->service_type_browsers);
- AVAHI_LLIST_HEAD_INIT(ServiceBrowserInfo, client->service_browsers);
- AVAHI_LLIST_HEAD_INIT(SyncServiceResolverInfo, client->sync_service_resolvers);
- AVAHI_LLIST_HEAD_INIT(AsyncServiceResolverInfo, client->async_service_resolvers);
-
- AVAHI_LLIST_PREPEND(Client, clients, server->clients, client);
-
- server->n_clients++;
- assert(server->n_clients > 0);
-
- return client;
-}
-
-static DBusHandlerResult respond_error(DBusConnection *c, DBusMessage *m, int error, const char *text) {
- DBusMessage *reply;
-
- assert(-error > -AVAHI_OK);
- assert(-error < -AVAHI_ERR_MAX);
-
- if (!text)
- text = avahi_strerror(error);
-
- reply = dbus_message_new_error(m, avahi_error_number_to_dbus(error), text);
- dbus_connection_send(c, reply, NULL);
- dbus_message_unref(reply);
-
- avahi_log_debug(__FILE__": Responding error '%s' (%i)", text, error);
-
- return DBUS_HANDLER_RESULT_HANDLED;
-}
-
-static DBusHandlerResult respond_string(DBusConnection *c, DBusMessage *m, const char *text) {
- DBusMessage *reply;
-
- reply = dbus_message_new_method_return(m);
- dbus_message_append_args(reply, DBUS_TYPE_STRING, &text, DBUS_TYPE_INVALID);
- dbus_connection_send(c, reply, NULL);
- dbus_message_unref(reply);
-
- return DBUS_HANDLER_RESULT_HANDLED;
-}
-
-static DBusHandlerResult respond_int32(DBusConnection *c, DBusMessage *m, int32_t i) {
- DBusMessage *reply;
-
- reply = dbus_message_new_method_return(m);
- dbus_message_append_args(reply, DBUS_TYPE_INT32, &i, DBUS_TYPE_INVALID);
- dbus_connection_send(c, reply, NULL);
- dbus_message_unref(reply);
-
- return DBUS_HANDLER_RESULT_HANDLED;
-}
-
-static DBusHandlerResult respond_uint32(DBusConnection *c, DBusMessage *m, uint32_t u) {
- DBusMessage *reply;
-
- reply = dbus_message_new_method_return(m);
- dbus_message_append_args(reply, DBUS_TYPE_UINT32, &u, DBUS_TYPE_INVALID);
- dbus_connection_send(c, reply, NULL);
- dbus_message_unref(reply);
-
- return DBUS_HANDLER_RESULT_HANDLED;
-}
-
-static DBusHandlerResult respond_boolean(DBusConnection *c, DBusMessage *m, int b) {
- DBusMessage *reply;
-
- reply = dbus_message_new_method_return(m);
- dbus_message_append_args(reply, DBUS_TYPE_BOOLEAN, &b, DBUS_TYPE_INVALID);
- dbus_connection_send(c, reply, NULL);
- dbus_message_unref(reply);
-
- return DBUS_HANDLER_RESULT_HANDLED;
-}
-
-static DBusHandlerResult respond_ok(DBusConnection *c, DBusMessage *m) {
- DBusMessage *reply;
-
- reply = dbus_message_new_method_return(m);
- dbus_connection_send(c, reply, NULL);
- dbus_message_unref(reply);
-
- return DBUS_HANDLER_RESULT_HANDLED;
-}
-
-static DBusHandlerResult respond_path(DBusConnection *c, DBusMessage *m, const char *path) {
- DBusMessage *reply;
-
- reply = dbus_message_new_method_return(m);
- dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID);
- dbus_connection_send(c, reply, NULL);
- dbus_message_unref(reply);
-
- return DBUS_HANDLER_RESULT_HANDLED;
-}
-
-static void append_server_error(DBusMessage *reply) {
- const char *t;
-
- t = avahi_error_number_to_dbus(avahi_server_errno(avahi_server));
-
- dbus_message_append_args(
- reply,
- DBUS_TYPE_STRING, &t,
- DBUS_TYPE_INVALID);
-}
-
-static char *file_get_contents(char *fname) {
- int fd = -1;
- struct stat st;
- ssize_t size;
- char *buf = NULL;
-
- assert(fname);
-
- if (!(fd = open(fname, O_RDONLY))) {
- avahi_log_error("Failed to open %s: %s", fname, strerror(errno));
- goto fail;
- }
-
- if (fstat(fd, &st) < 0) {
- avahi_log_error("stat(%s) failed: %s", fname, strerror(errno));
- goto fail;
- }
-
- if (!(S_ISREG(st.st_mode))) {
- avahi_log_error("Invalid file %s", fname);
- goto fail;
- }
-
- if (st.st_size > 1024*1024) { /** 1MB */
- avahi_log_error("File too large %s", fname);
- goto fail;
- }
-
- buf = avahi_new(char, st.st_size+1);
-
- if ((size = read(fd, buf, st.st_size)) < 0) {
- avahi_log_error("read() failed: %s\n", strerror(errno));
- goto fail;
- }
-
- buf[size] = 0;
-
- close(fd);
- return buf;
-
-fail:
- if (fd >= 0)
- close(fd);
-
- if (buf)
- avahi_free(buf);
-
- return NULL;
-
-}
-
-static const char *map_browse_signal_name(AvahiBrowserEvent e) {
- switch (e) {
- case AVAHI_BROWSER_NEW : return "ItemNew";
- case AVAHI_BROWSER_REMOVE : return "ItemRemove";
- case AVAHI_BROWSER_FAILURE : return "Failure";
- case AVAHI_BROWSER_CACHE_EXHAUSTED : return "CacheExhausted";
- case AVAHI_BROWSER_ALL_FOR_NOW : return "AllForNow";
- }
-
- abort();
-}
-
-static const char *map_resolve_signal_name(AvahiResolverEvent e) {
- switch (e) {
- case AVAHI_RESOLVER_FOUND : return "Found";
- case AVAHI_RESOLVER_FAILURE : return "Failure";
- }
-
- abort();
-}
-
-
-static DBusHandlerResult handle_introspect(DBusConnection *c, DBusMessage *m, const char *fname) {
- char *path, *contents;
- DBusError error;
-
- assert(c);
- assert(m);
- assert(fname);
-
- dbus_error_init(&error);
-
- if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
- avahi_log_error("Error parsing Introspect message: %s", error.message);
- goto fail;
- }
-
- path = avahi_strdup_printf("%s/%s", AVAHI_DBUS_INTROSPECTION_DIR, fname);
- contents = file_get_contents(path);
- avahi_free(path);
-
- if (!contents) {
- avahi_log_error("Failed to load introspection data.");
- goto fail;
- }
-
- respond_string(c, m, contents);
- avahi_free(contents);
-
- return DBUS_HANDLER_RESULT_HANDLED;
-
-fail:
- if (dbus_error_is_set(&error))
- dbus_error_free(&error);
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-
-}
-
-static DBusHandlerResult msg_signal_filter_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
- DBusError error;
-
- dbus_error_init(&error);
-
-/* avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", */
-/* dbus_message_get_interface(m), */
-/* dbus_message_get_path(m), */
-/* dbus_message_get_member(m)); */
-
- if (dbus_message_is_signal(m, DBUS_INTERFACE_LOCAL, "Disconnected")) {
- /* No, we shouldn't quit, but until we get somewhere
- * usefull such that we can restore our state, we will */
- avahi_log_warn("Disconnnected from D-BUS, terminating...");
-
- raise(SIGQUIT); /* The signal handler will catch this and terminate the process cleanly*/
-
- return DBUS_HANDLER_RESULT_HANDLED;
-
- } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameAcquired")) {
- char *name;
-
- if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
- avahi_log_warn("Error parsing NameAcquired message");
- goto fail;
- }
-
-/* avahi_log_info(__FILE__": name acquired (%s)", name); */
- return DBUS_HANDLER_RESULT_HANDLED;
-
- } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
- char *name, *old, *new;
-
- if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &old, DBUS_TYPE_STRING, &new, DBUS_TYPE_INVALID)) {
- avahi_log_warn("Error parsing NameOwnerChanged message");
- goto fail;
- }
-
- if (!*new) {
- Client *client;
-
- if ((client = client_get(name, FALSE))) {
- avahi_log_debug(__FILE__": client %s vanished.", name);
- client_free(client);
- }
- }
- }
-
-fail:
- if (dbus_error_is_set(&error))
- dbus_error_free(&error);
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-static void entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, void* userdata) {
- EntryGroupInfo *i = userdata;
- DBusMessage *m;
- int32_t t;
- const char *e;
-
- assert(s);
- assert(g);
- assert(i);
-
- m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "StateChanged");
-
- t = (int32_t) state;
- if (state == AVAHI_ENTRY_GROUP_FAILURE)
- e = avahi_error_number_to_dbus(avahi_server_errno(s));
- else if (state == AVAHI_ENTRY_GROUP_COLLISION)
- e = AVAHI_DBUS_ERR_COLLISION;
- else
- e = AVAHI_DBUS_ERR_OK;
-
- dbus_message_append_args(
- m,
- DBUS_TYPE_INT32, &t,
- DBUS_TYPE_STRING, &e,
- DBUS_TYPE_INVALID);
- dbus_message_set_destination(m, i->client->name);
- dbus_connection_send(server->bus, m, NULL);
- dbus_message_unref(m);
-}
-
-static int read_strlst(DBusMessage *m, int idx, AvahiStringList **l) {
- DBusMessageIter iter, sub;
- int j;
- AvahiStringList *strlst = NULL;
-
- assert(m);
- assert(l);
-
- dbus_message_iter_init(m, &iter);
-
- for (j = 0; j < idx; j++)
- dbus_message_iter_next(&iter);
-
- if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_ARRAY)
- goto fail;
-
- dbus_message_iter_recurse(&iter, &sub);
-
- for (;;) {
- DBusMessageIter sub2;
- int at, n;
- uint8_t *k;
-
- if ((at = dbus_message_iter_get_arg_type(&sub)) == DBUS_TYPE_INVALID)
- break;
-
- assert(at == DBUS_TYPE_ARRAY);
-
- if (dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_BYTE)
- goto fail;
-
- dbus_message_iter_recurse(&sub, &sub2);
- dbus_message_iter_get_fixed_array(&sub2, &k, &n);
- strlst = avahi_string_list_add_arbitrary(strlst, k, n);
-
- dbus_message_iter_next(&sub);
- }
-
- *l = strlst;
-
- return 0;
-
-fail:
- avahi_log_warn("Error parsing TXT data");
-
- avahi_string_list_free(strlst);
- *l = NULL;
- return -1;
-}
-
-
-static DBusHandlerResult msg_entry_group_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
- DBusError error;
- EntryGroupInfo *i = userdata;
-
- assert(c);
- assert(m);
- assert(i);
-
- dbus_error_init(&error);
-
- avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
- dbus_message_get_interface(m),
- dbus_message_get_path(m),
- dbus_message_get_member(m));
-
- /* Introspection */
- if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
- return handle_introspect(c, m, "EntryGroup.introspect");
-
- /* Access control */
- if (strcmp(dbus_message_get_sender(m), i->client->name))
- return respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL);
-
- if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Free")) {
-
- if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
- avahi_log_warn("Error parsing EntryGroup::Free message");
- goto fail;
- }
-
- entry_group_free(i);
- return respond_ok(c, m);
-
- } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Commit")) {
-
- if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
- avahi_log_warn("Error parsing EntryGroup::Commit message");
- goto fail;
- }
-
- avahi_s_entry_group_commit(i->entry_group);
- return respond_ok(c, m);
-
-
- } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Reset")) {
-
- if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
- avahi_log_warn("Error parsing EntryGroup::Reset message");
- goto fail;
- }
-
- avahi_s_entry_group_reset(i->entry_group);
- i->n_entries = 0;
- return respond_ok(c, m);
-
- } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "IsEmpty")) {
-
- if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
- avahi_log_warn("Error parsing EntryGroup::IsEmpty message");
- goto fail;
- }
-
- return respond_boolean(c, m, !!avahi_s_entry_group_is_empty(i->entry_group));
-
- } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "GetState")) {
- AvahiEntryGroupState state;
-
- if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
- avahi_log_warn("Error parsing EntryGroup::GetState message");
- goto fail;
- }
-
- state = avahi_s_entry_group_get_state(i->entry_group);
- return respond_int32(c, m, (int32_t) state);
-
- } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddService")) {
- int32_t interface, protocol;
- uint32_t flags;
- char *type, *name, *domain, *host;
- uint16_t port;
- AvahiStringList *strlst = NULL;
-
- if (!dbus_message_get_args(
- m, &error,
- DBUS_TYPE_INT32, &interface,
- DBUS_TYPE_INT32, &protocol,
- DBUS_TYPE_UINT32, &flags,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &type,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_STRING, &host,
- DBUS_TYPE_UINT16, &port,
- DBUS_TYPE_INVALID) ||
- !type || !name ||
- read_strlst(m, 8, &strlst) < 0) {
- avahi_log_warn("Error parsing EntryGroup::AddService message");
- goto fail;
- }
-
- if (!(flags & AVAHI_PUBLISH_UPDATE) && i->n_entries >= ENTRIES_PER_ENTRY_GROUP_MAX) {
- avahi_string_list_free(strlst);
- return respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL);
- }
-
- if (domain && !*domain)
- domain = NULL;
-
- if (host && !*host)
- host = NULL;
-
- if (avahi_server_add_service_strlst(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, name, type, domain, host, port, strlst) < 0) {
- avahi_string_list_free(strlst);
- return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
- }
-
- if (!(flags & AVAHI_PUBLISH_UPDATE))
- i->n_entries ++;
-
- avahi_string_list_free(strlst);
-
- return respond_ok(c, m);
-
- } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddServiceSubtype")) {
-
- int32_t interface, protocol;
- uint32_t flags;
- char *type, *name, *domain, *subtype;
-
- if (!dbus_message_get_args(
- m, &error,
- DBUS_TYPE_INT32, &interface,
- DBUS_TYPE_INT32, &protocol,
- DBUS_TYPE_UINT32, &flags,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &type,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_STRING, &subtype,
- DBUS_TYPE_INVALID) || !type || !name || !subtype) {
- avahi_log_warn("Error parsing EntryGroup::AddServiceSubtype message");
- goto fail;
- }
-
- if (!(flags & AVAHI_PUBLISH_UPDATE) && i->n_entries >= ENTRIES_PER_ENTRY_GROUP_MAX)
- return respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL);
-
- if (domain && !*domain)
- domain = NULL;
-
- if (avahi_server_add_service_subtype(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, name, type, domain, subtype) < 0)
- return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
-
- if (!(flags & AVAHI_PUBLISH_UPDATE))
- i->n_entries ++;
-
- return respond_ok(c, m);
-
- } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "UpdateServiceTxt")) {
- int32_t interface, protocol;
- uint32_t flags;
- char *type, *name, *domain;
- AvahiStringList *strlst;
-
- if (!dbus_message_get_args(
- m, &error,
- DBUS_TYPE_INT32, &interface,
- DBUS_TYPE_INT32, &protocol,
- DBUS_TYPE_UINT32, &flags,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &type,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_INVALID) ||
- !type || !name ||
- read_strlst(m, 6, &strlst)) {
- avahi_log_warn("Error parsing EntryGroup::UpdateServiceTxt message");
- goto fail;
- }
-
- if (domain && !*domain)
- domain = NULL;
-
- if (avahi_server_update_service_txt_strlst(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, name, type, domain, strlst) < 0) {
- avahi_string_list_free(strlst);
- return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
- }
-
- avahi_string_list_free(strlst);
-
- return respond_ok(c, m);
-
- } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddAddress")) {
- int32_t interface, protocol;
- uint32_t flags;
- char *name, *address;
- AvahiAddress a;
-
- if (!dbus_message_get_args(
- m, &error,
- DBUS_TYPE_INT32, &interface,
- DBUS_TYPE_INT32, &protocol,
- DBUS_TYPE_UINT32, &flags,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &address,
- DBUS_TYPE_INVALID) || !name || !address) {
- avahi_log_warn("Error parsing EntryGroup::AddAddress message");
- goto fail;
- }
-
- if (!(flags & AVAHI_PUBLISH_UPDATE) && i->n_entries >= ENTRIES_PER_ENTRY_GROUP_MAX)
- return respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL);
-
- if (!(avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a)))
- return respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
-
- if (avahi_server_add_address(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, name, &a) < 0)
- return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
-
- if (!(flags & AVAHI_PUBLISH_UPDATE))
- i->n_entries ++;
-
- return respond_ok(c, m);
- }
-
- avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
-
-fail:
- if (dbus_error_is_set(&error))
- dbus_error_free(&error);
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-static void sync_host_name_resolver_callback(AvahiSHostNameResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const char *host_name, const AvahiAddress *a, AvahiLookupResultFlags flags, void* userdata) {
- SyncHostNameResolverInfo *i = userdata;
-
- assert(r);
- assert(host_name);
- assert(i);
-
- if (event == AVAHI_RESOLVER_FOUND) {
- char t[AVAHI_ADDRESS_STR_MAX], *pt = t;
- int32_t i_interface, i_protocol, i_aprotocol;
- uint32_t u_flags;
- DBusMessage *reply;
-
- assert(a);
- avahi_address_snprint(t, sizeof(t), a);
-
- i_interface = (int32_t) interface;
- i_protocol = (int32_t) protocol;
- i_aprotocol = (int32_t) a->proto;
- u_flags = (uint32_t) flags;
-
- reply = dbus_message_new_method_return(i->message);
- dbus_message_append_args(
- reply,
- DBUS_TYPE_INT32, &i_interface,
- DBUS_TYPE_INT32, &i_protocol,
- DBUS_TYPE_STRING, &host_name,
- DBUS_TYPE_INT32, &i_aprotocol,
- DBUS_TYPE_STRING, &pt,
- DBUS_TYPE_UINT32, &u_flags,
- DBUS_TYPE_INVALID);
-
- dbus_connection_send(server->bus, reply, NULL);
- dbus_message_unref(reply);
- } else {
- assert(event == AVAHI_RESOLVER_FAILURE);
- respond_error(server->bus, i->message, avahi_server_errno(avahi_server), NULL);
- }
-
- sync_host_name_resolver_free(i);
-}
-
-static void sync_address_resolver_callback(AvahiSAddressResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const AvahiAddress *address, const char *host_name, AvahiLookupResultFlags flags, void* userdata) {
- SyncAddressResolverInfo *i = userdata;
-
- assert(r);
- assert(address);
- assert(i);
-
- if (event == AVAHI_RESOLVER_FOUND) {
- char t[AVAHI_ADDRESS_STR_MAX], *pt = t;
- int32_t i_interface, i_protocol, i_aprotocol;
- uint32_t u_flags;
- DBusMessage *reply;
-
- assert(host_name);
- avahi_address_snprint(t, sizeof(t), address);
-
- i_interface = (int32_t) interface;
- i_protocol = (int32_t) protocol;
- i_aprotocol = (int32_t) address->proto;
- u_flags = (uint32_t) flags;
-
- reply = dbus_message_new_method_return(i->message);
- dbus_message_append_args(
- reply,
- DBUS_TYPE_INT32, &i_interface,
- DBUS_TYPE_INT32, &i_protocol,
- DBUS_TYPE_INT32, &i_aprotocol,
- DBUS_TYPE_STRING, &pt,
- DBUS_TYPE_STRING, &host_name,
- DBUS_TYPE_UINT32, &u_flags,
- DBUS_TYPE_INVALID);
-
- dbus_connection_send(server->bus, reply, NULL);
- dbus_message_unref(reply);
- } else {
- assert(event == AVAHI_RESOLVER_FAILURE);
- respond_error(server->bus, i->message, avahi_server_errno(avahi_server), NULL);
- }
-
- sync_address_resolver_free(i);
-}
-
-static DBusHandlerResult msg_domain_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
- DBusError error;
- DomainBrowserInfo *i = userdata;
-
- assert(c);
- assert(m);
- assert(i);
-
- dbus_error_init(&error);
-
- avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
- dbus_message_get_interface(m),
- dbus_message_get_path(m),
- dbus_message_get_member(m));
-
- /* Introspection */
- if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
- return handle_introspect(c, m, "DomainBrowser.introspect");
-
- /* Access control */
- if (strcmp(dbus_message_get_sender(m), i->client->name))
- return respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL);
-
- if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "Free")) {
-
- if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
- avahi_log_warn("Error parsing DomainBrowser::Free message");
- goto fail;
- }
-
- domain_browser_free(i);
- return respond_ok(c, m);
-
- }
-
- avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
-
-fail:
- if (dbus_error_is_set(&error))
- dbus_error_free(&error);
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-static void domain_browser_callback(AvahiSDomainBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *domain, AvahiLookupResultFlags flags, void* userdata) {
- DomainBrowserInfo *i = userdata;
- DBusMessage *m;
- int32_t i_interface, i_protocol;
- uint32_t u_flags;
-
- assert(b);
- assert(i);
-
- i_interface = (int32_t) interface;
- i_protocol = (int32_t) protocol;
- u_flags = (uint32_t) flags;
-
- m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, map_browse_signal_name(event));
-
- if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) {
- assert(domain);
- dbus_message_append_args(
- m,
- DBUS_TYPE_INT32, &i_interface,
- DBUS_TYPE_INT32, &i_protocol,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_UINT32, &u_flags,
- DBUS_TYPE_INVALID);
- } else if (event == AVAHI_BROWSER_FAILURE)
- append_server_error(m);
-
- dbus_message_set_destination(m, i->client->name);
- dbus_connection_send(server->bus, m, NULL);
- dbus_message_unref(m);
-}
-
-static DBusHandlerResult msg_service_type_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
- DBusError error;
- ServiceTypeBrowserInfo *i = userdata;
-
- assert(c);
- assert(m);
- assert(i);
-
- dbus_error_init(&error);
-
- avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
- dbus_message_get_interface(m),
- dbus_message_get_path(m),
- dbus_message_get_member(m));
-
- /* Introspection */
- if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
- return handle_introspect(c, m, "ServiceTypeBrowser.introspect");
-
- /* Access control */
- if (strcmp(dbus_message_get_sender(m), i->client->name))
- return respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL);
-
- if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "Free")) {
-
- if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
- avahi_log_warn("Error parsing ServiceTypeBrowser::Free message");
- goto fail;
- }
-
- service_type_browser_free(i);
- return respond_ok(c, m);
-
- }
-
- avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
-
-fail:
- if (dbus_error_is_set(&error))
- dbus_error_free(&error);
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-static void service_type_browser_callback(AvahiSServiceTypeBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *type, const char *domain, AvahiLookupResultFlags flags, void* userdata) {
- ServiceTypeBrowserInfo *i = userdata;
- DBusMessage *m;
- int32_t i_interface, i_protocol;
- uint32_t u_flags;
-
- assert(b);
- assert(i);
-
- i_interface = (int32_t) interface;
- i_protocol = (int32_t) protocol;
- u_flags = (uint32_t) flags;
-
- m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, map_browse_signal_name(event));
-
- if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) {
- assert(type);
- assert(domain);
- dbus_message_append_args(
- m,
- DBUS_TYPE_INT32, &i_interface,
- DBUS_TYPE_INT32, &i_protocol,
- DBUS_TYPE_STRING, &type,
- DBUS_TYPE_STRING, &domain,
- DBUS_TYPE_UINT32, &u_flags,
- DBUS_TYPE_INVALID);
- } else if (event == AVAHI_BROWSER_FAILURE)
- append_server_error(m);
-
- dbus_message_set_destination(m, i->client->name);
- dbus_connection_send(server->bus, m, NULL);
- dbus_message_unref(m);
-}
-
-static DBusHandlerResult msg_service_browser_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
- DBusError error;
- ServiceBrowserInfo *i = userdata;
-
- assert(c);
- assert(m);
- assert(i);
-
- dbus_error_init(&error);
-
- avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s",
- dbus_message_get_interface(m),
- dbus_message_get_path(m),
- dbus_message_get_member(m));
-
- /* Introspection */
- if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
- return handle_introspect(c, m, "ServiceBrowser.Introspect");
-
- /* Access control */
- if (strcmp(dbus_message_get_sender(m), i->client->name))
- return respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL);
-
- if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "Free")) {
-
- if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
- avahi_log_warn("Error parsing ServiceBrowser::Free message");
- goto fail;
- }
-
- service_browser_free(i);
- return respond_ok(c, m);
-
- }
-
- avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m));
-
-fail:
- if (dbus_error_is_set(&error))
- dbus_error_free(&error);
-
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-}
-
-static int is_our_own_service(Client *c, AvahiIfIndex interface, AvahiProtocol protocol, const char *name, const char *type, const char *domain) {
- AvahiSEntryGroup *g;
-
-
- if (avahi_server_get_group_of_service(avahi_server, interface, protocol, name, type, domain, &g) == AVAHI_OK) {
- EntryGroupInfo *egi;