USA.
***/
-#include <glib.h>
-#define DBUS_API_SUBJECT_TO_CHANGE
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <errno.h>
+#include <unistd.h>
+#include <assert.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <signal.h>
+
#include <dbus/dbus.h>
-#include <dbus/dbus-glib-lowlevel.h>
+
+#include <avahi-common/dbus.h>
+#include <avahi-common/llist.h>
+#include <avahi-common/malloc.h>
+#include <avahi-common/dbus.h>
+#include <avahi-common/dbus-watch-glue.h>
+#include <avahi-common/alternative.h>
+#include <avahi-common/error.h>
+#include <avahi-core/log.h>
+#include <avahi-core/core.h>
+
+#include "dbus-protocol.h"
+#include "main.h"
+
+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 MAX_CLIENTS 20
+#define MAX_OBJECTS_PER_CLIENT 50
+#define MAX_ENTRIES_PER_ENTRY_GROUP 20
+
+/* #define VALGRIND_WORKAROUND */
+
+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 >= MAX_CLIENTS)
+ 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);
+
+ reply = dbus_message_new_error(m, avahi_error_number_to_dbus (error), text ? text : avahi_strerror(error));
+ dbus_connection_send(c, reply, NULL);
+ dbus_message_unref(reply);
+
+ 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_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 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 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("dbus: 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("dbus: 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_info("dbus: 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;
+
+ assert(s);
+ assert(g);
+ assert(i);
+
+ m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "StateChanged");
+ t = (int32_t) state;
+ dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_INVALID);
+ dbus_message_set_destination(m, i->client->name);
+ dbus_connection_send(server->bus, m, NULL);
+ dbus_message_unref(m);
+}
+
+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("dbus: 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);
+ return respond_ok(c, m);
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "IsEmpty")) {
+ DBusMessage *reply;
+ int b;
+
+ if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
+ avahi_log_warn("Error parsing EntryGroup::IsEmpty message");
+ goto fail;
+ }
+
+ b = !!avahi_s_entry_group_is_empty(i->entry_group);
+
+ 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;
+
+ } 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;
+ char *type, *name, *domain, *host;
+ uint16_t port;
+ AvahiStringList *strlst;
+ DBusMessageIter iter, sub;
+ int j;
+
+ if (!dbus_message_get_args(
+ m, &error,
+ DBUS_TYPE_INT32, &interface,
+ DBUS_TYPE_INT32, &protocol,
+ 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) {
+ avahi_log_warn("Error parsing EntryGroup::AddService message");
+ goto fail;
+ }
+
+ dbus_message_iter_init(m, &iter);
+
+ for (j = 0; j < 7; 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) {
+ avahi_log_warn("Error parsing EntryGroup::AddService message 2");
+ goto fail;
+ }
+
+ strlst = NULL;
+ 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) {
+ avahi_log_warn("Error parsing EntryGroup::AddService message");
+ 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);
+ }
+
+ if (i->n_entries >= MAX_ENTRIES_PER_ENTRY_GROUP) {
+ avahi_string_list_free(strlst);
+ avahi_log_warn("Too many entries per entry group, client request failed.");
+ 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, name, type, domain, host, port, strlst) < 0) {
+ avahi_string_list_free(strlst);
+ return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
+ } else
+ 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, "AddAddress")) {
+ int32_t interface, protocol;
+ char *name, *address;
+ AvahiAddress a;
+
+ if (!dbus_message_get_args(
+ m, &error,
+ DBUS_TYPE_INT32, &interface,
+ DBUS_TYPE_INT32, &protocol,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &address,
+ DBUS_TYPE_INVALID) || !name || !address) {
+ avahi_log_warn("Error parsing EntryGroup::AddAddress message");
+ goto fail;
+ }
+
+ if (i->n_entries >= MAX_ENTRIES_PER_ENTRY_GROUP) {
+ avahi_log_warn("Too many entries per entry group, client request failed.");
+ 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, 0, name, &a) < 0)
+ return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
+ else
+ 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, void* userdata) {
+ SyncHostNameResolverInfo *i = userdata;
+
+ assert(r);
+ assert(host_name);
+ assert(i);
+
+ if (event == AVAHI_RESOLVER_FOUND) {
+ char t[256], *pt = t;
+ int32_t i_interface, i_protocol, i_aprotocol;
+ 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->family;
+
+ 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_INVALID);
+
+ dbus_connection_send(server->bus, reply, NULL);
+ dbus_message_unref(reply);
+ } else {
+ assert(event == AVAHI_RESOLVER_TIMEOUT);
+
+ respond_error(server->bus, i->message, AVAHI_ERR_TIMEOUT, 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, void* userdata) {
+ SyncAddressResolverInfo *i = userdata;
+
+ assert(r);
+ assert(address);
+ assert(i);
+
+ if (event == AVAHI_RESOLVER_FOUND) {
+ char t[256], *pt = t;
+ int32_t i_interface, i_protocol, i_aprotocol;
+ 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->family;
+
+ 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_INVALID);
+
+ dbus_connection_send(server->bus, reply, NULL);
+ dbus_message_unref(reply);
+ } else {
+ assert(event == AVAHI_RESOLVER_TIMEOUT);
+ respond_error(server->bus, i->message, AVAHI_ERR_TIMEOUT, 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("dbus: 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, void* userdata) {
+ DomainBrowserInfo *i = userdata;
+ DBusMessage *m;
+ int32_t i_interface, i_protocol;
+
+ assert(b);
+ assert(domain);
+ assert(i);
+
+ i_interface = (int32_t) interface;
+ i_protocol = (int32_t) protocol;
+
+ m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, event == AVAHI_BROWSER_NEW ? "ItemNew" : "ItemRemove");
+ dbus_message_append_args(
+ m,
+ DBUS_TYPE_INT32, &i_interface,
+ DBUS_TYPE_INT32, &i_protocol,
+ DBUS_TYPE_STRING, &domain,
+ DBUS_TYPE_INVALID);
+ 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("dbus: 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, void* userdata) {
+ ServiceTypeBrowserInfo *i = userdata;
+ DBusMessage *m;
+ int32_t i_interface, i_protocol;
+
+ assert(b);
+ assert(type);
+ assert(domain);
+ assert(i);
+
+ i_interface = (int32_t) interface;
+ i_protocol = (int32_t) protocol;
+
+ m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, event == AVAHI_BROWSER_NEW ? "ItemNew" : "ItemRemove");
+ 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_INVALID);
+ 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);
-#include "dbus-protocol.h"
+ dbus_error_init(&error);
+
+ avahi_log_debug("dbus: 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 void service_browser_callback(AvahiSServiceBrowser *b, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, const char *name, const char *type, const char *domain, void* userdata) {
+ ServiceBrowserInfo *i = userdata;
+ DBusMessage *m;
+ int32_t i_interface, i_protocol;
+
+ assert(b);
+ assert(name);
+ assert(type);
+ assert(domain);
+ assert(i);
+
+ i_interface = (int32_t) interface;
+ i_protocol = (int32_t) protocol;
+
+ m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, event == AVAHI_BROWSER_NEW ? "ItemNew" : "ItemRemove");
+ dbus_message_append_args(
+ m,
+ DBUS_TYPE_INT32, &i_interface,
+ DBUS_TYPE_INT32, &i_protocol,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &type,
+ DBUS_TYPE_STRING, &domain,
+ DBUS_TYPE_INVALID);
+ dbus_message_set_destination(m, i->client->name);
+ dbus_connection_send(server->bus, m, NULL);
+ dbus_message_unref(m);
+}
+
+static void append_string_list(DBusMessage *reply, AvahiStringList *txt) {
+ AvahiStringList *p;
+ DBusMessageIter iter, sub;
+
+ assert(reply);
+
+ dbus_message_iter_init_append(reply, &iter);
+ dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "ay", &sub);
+
+ for (p = txt; p; p = p->next) {
+ DBusMessageIter sub2;
+ const uint8_t *data = p->text;
+
+ dbus_message_iter_open_container(&sub, DBUS_TYPE_ARRAY, "y", &sub2);
+ dbus_message_iter_append_fixed_array(&sub2, DBUS_TYPE_BYTE, &data, p->size);
+ dbus_message_iter_close_container(&sub, &sub2);
+
+ }
+ dbus_message_iter_close_container(&iter, &sub);
+}
+
+static void sync_service_resolver_callback(
+ AvahiSServiceResolver *r,
+ AvahiIfIndex interface,
+ AvahiProtocol protocol,
+ AvahiResolverEvent event,
+ const char *name,
+ const char *type,
+ const char *domain,
+ const char *host_name,
+ const AvahiAddress *a,
+ uint16_t port,
+ AvahiStringList *txt,
+ void* userdata) {
+
+ SyncServiceResolverInfo *i = userdata;
+
+ assert(r);
+ assert(i);
+
+ if (event == AVAHI_RESOLVER_FOUND) {
+ char t[256], *pt = t;
+ int32_t i_interface, i_protocol, i_aprotocol;
+ DBusMessage *reply;
+
+ assert(host_name);
+
+ assert(a);
+ avahi_address_snprint(t, sizeof(t), a);
+
+ i_interface = (int32_t) interface;
+ i_protocol = (int32_t) protocol;
+ i_aprotocol = (int32_t) a->family;
+
+ 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, &name,
+ DBUS_TYPE_STRING, &type,
+ DBUS_TYPE_STRING, &domain,
+ DBUS_TYPE_STRING, &host_name,
+ DBUS_TYPE_INT32, &i_aprotocol,
+ DBUS_TYPE_STRING, &pt,
+ DBUS_TYPE_UINT16, &port,
+ DBUS_TYPE_INVALID);
+
+ append_string_list(reply, txt);
+
+ dbus_connection_send(server->bus, reply, NULL);
+ dbus_message_unref(reply);
+ } else {
+ assert(event == AVAHI_RESOLVER_TIMEOUT);
+
+ respond_error(server->bus, i->message, AVAHI_ERR_TIMEOUT, NULL);
+ }
+
+ sync_service_resolver_free(i);
+}
+
+static void async_address_resolver_callback(AvahiSAddressResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const AvahiAddress *address, const char *host_name, void* userdata) {
+ AsyncAddressResolverInfo *i = userdata;
+ DBusMessage *reply;
+
+ assert(r);
+ assert(address);
+ assert(i);
+
+ if (event == AVAHI_RESOLVER_FOUND) {
+ char t[256], *pt = t;
+ int32_t i_interface, i_protocol, i_aprotocol;
+
+ 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->family;
+
+ reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Found");
+ 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_INVALID);
+
+ } else {
+ assert(event == AVAHI_RESOLVER_TIMEOUT);
+
+ reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_ADDRESS_RESOLVER, "Timeout");
+ }
-static DBusConnection *bus = NULL;
+ dbus_connection_send(server->bus, reply, NULL);
+ dbus_message_unref(reply);
+}
-static DBusHandlerResult
-do_register (DBusConnection *conn, DBusMessage *message)
-{
+static DBusHandlerResult msg_async_address_resolver_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
DBusError error;
- char *s;
+ AsyncAddressResolverInfo *i = userdata;
+
+ assert(c);
+ assert(m);
+ assert(i);
+
+ dbus_error_init(&error);
- dbus_error_init (&error);
+ avahi_log_debug("dbus: interface=%s, path=%s, member=%s",
+ dbus_message_get_interface(m),
+ dbus_message_get_path(m),
+ dbus_message_get_member(m));
- dbus_message_get_args (message, &error,
- DBUS_TYPE_STRING, &s,
- DBUS_TYPE_INVALID);
+ /* Introspection */
+ if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
+ return handle_introspect(c, m, "AddressResolver.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_ADDRESS_RESOLVER, "Free")) {
- if (dbus_error_is_set (&error))
- {
- g_warning ("Error parsing register attempt");
- dbus_error_free (&error);
+ if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
+ avahi_log_warn("Error parsing AddressResolver::Free message");
+ goto fail;
+ }
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+ async_address_resolver_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 async_host_name_resolver_callback(AvahiSHostNameResolver *r, AvahiIfIndex interface, AvahiProtocol protocol, AvahiResolverEvent event, const char *host_name, const AvahiAddress *a, void* userdata) {
+ AsyncHostNameResolverInfo *i = userdata;
+ DBusMessage *reply;
+
+ assert(r);
+ assert(host_name);
+ assert(i);
- g_message ("Register received from: %s", s);
+ if (event == AVAHI_RESOLVER_FOUND) {
+ char t[256], *pt = t;
+ int32_t i_interface, i_protocol, i_aprotocol;
- return DBUS_HANDLER_RESULT_HANDLED;
+ assert(a);
+ avahi_address_snprint(t, sizeof(t), a);
+
+ i_interface = (int32_t) interface;
+ i_protocol = (int32_t) protocol;
+ i_aprotocol = (int32_t) a->family;
+
+ reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Found");
+ 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_INVALID);
+ } else {
+ assert(event == AVAHI_RESOLVER_TIMEOUT);
+
+ reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_HOST_NAME_RESOLVER, "Timeout");
+ }
+
+ dbus_connection_send(server->bus, reply, NULL);
+ dbus_message_unref(reply);
}
-static DBusHandlerResult
-signal_filter (DBusConnection *conn, DBusMessage *message, void *user_data)
-{
- GMainLoop *loop = user_data;
+static DBusHandlerResult msg_async_host_name_resolver_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
DBusError error;
+ AsyncHostNameResolverInfo *i = userdata;
- dbus_error_init (&error);
+ assert(c);
+ assert(m);
+ assert(i);
+
+ dbus_error_init(&error);
- g_message ("dbus: interface=%s, path=%s, member=%s",
- dbus_message_get_interface (message),
- dbus_message_get_path (message),
- dbus_message_get_member (message));
+ avahi_log_debug("dbus: 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 (message,
- DBUS_INTERFACE_ORG_FREEDESKTOP_LOCAL,
- "Disconnected"))
- {
- /* No, we shouldn't quit, but until we get somewhere
- * usefull such that we can restore our state, we will */
- g_warning ("Disconnnected from d-bus, terminating...");
+ /* Introspection */
+ if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
+ return handle_introspect(c, m, "HostNameResolver.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_HOST_NAME_RESOLVER, "Free")) {
+
+ if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
+ avahi_log_warn("Error parsing HostNameResolver::Free message");
+ goto fail;
+ }
+
+ async_host_name_resolver_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 async_service_resolver_callback(
+ AvahiSServiceResolver *r,
+ AvahiIfIndex interface,
+ AvahiProtocol protocol,
+ AvahiResolverEvent event,
+ const char *name,
+ const char *type,
+ const char *domain,
+ const char *host_name,
+ const AvahiAddress *a,
+ uint16_t port,
+ AvahiStringList *txt,
+ void* userdata) {
+
+ AsyncServiceResolverInfo *i = userdata;
+ DBusMessage *reply;
+
+ assert(r);
+ assert(host_name);
+ assert(i);
+
+ if (event == AVAHI_RESOLVER_FOUND) {
+ char t[256], *pt = t;
+ int32_t i_interface, i_protocol, i_aprotocol;
+
+ assert(host_name);
+
+ assert(a);
+ avahi_address_snprint(t, sizeof(t), a);
+
+ i_interface = (int32_t) interface;
+ i_protocol = (int32_t) protocol;
+ i_aprotocol = (int32_t) a->family;
+
+ reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Found");
+ dbus_message_append_args(
+ reply,
+ DBUS_TYPE_INT32, &i_interface,
+ DBUS_TYPE_INT32, &i_protocol,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &type,
+ DBUS_TYPE_STRING, &domain,
+ DBUS_TYPE_STRING, &host_name,
+ DBUS_TYPE_INT32, &i_aprotocol,
+ DBUS_TYPE_STRING, &pt,
+ DBUS_TYPE_UINT16, &port,
+ DBUS_TYPE_INVALID);
+
+ append_string_list(reply, txt);
+
+ } else {
+ assert(event == AVAHI_RESOLVER_TIMEOUT);
+
+ reply = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_SERVICE_RESOLVER, "Timeout");
+ }
+
+ dbus_connection_send(server->bus, reply, NULL);
+ dbus_message_unref(reply);
+}
+
+static DBusHandlerResult msg_async_service_resolver_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
+ DBusError error;
+ AsyncServiceResolverInfo *i = userdata;
+
+ assert(c);
+ assert(m);
+ assert(i);
+
+ dbus_error_init(&error);
+
+ avahi_log_debug("dbus: 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, "ServiceResolver.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_RESOLVER, "Free")) {
+
+ if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
+ avahi_log_warn("Error parsing ServiceResolver::Free message");
+ goto fail;
+ }
+
+ async_service_resolver_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 DBusHandlerResult msg_server_impl(DBusConnection *c, DBusMessage *m, void *userdata) {
+ DBusError error;
+
+ dbus_error_init(&error);
+
+ avahi_log_debug("dbus: 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_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect"))
+ return handle_introspect(c, m, "Server.introspect");
+
+ else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostName")) {
+
+ if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
+ avahi_log_warn("Error parsing Server::GetHostName message");
+ goto fail;
+ }
+
+ return respond_string(c, m, avahi_server_get_host_name(avahi_server));
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetDomainName")) {
+
+ if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
+ avahi_log_warn("Error parsing Server::GetDomainName message");
+ goto fail;
+ }
+
+ return respond_string(c, m, avahi_server_get_domain_name(avahi_server));
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostNameFqdn")) {
+
+ if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
+ avahi_log_warn("Error parsing Server::GetHostNameFqdn message");
+ goto fail;
+ }
+
+ return respond_string(c, m, avahi_server_get_host_name_fqdn(avahi_server));
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetVersionString")) {
+
+ if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
+ avahi_log_warn("Error parsing Server::GetVersionString message");
+ goto fail;
+ }
+
+ return respond_string(c, m, PACKAGE_STRING);
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetState")) {
+ AvahiServerState state;
+
+ if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) {
+ avahi_log_warn("Error parsing Server::GetState message");
+ goto fail;
+ }
+
+ state = avahi_server_get_state(avahi_server);
+ return respond_int32(c, m, (int32_t) state);
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceNameByIndex")) {
+ int32_t idx;
+ int fd;
+ struct ifreq ifr;
+
+ if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INT32, &idx, DBUS_TYPE_INVALID))) {
+ avahi_log_warn("Error parsing Server::GetNetworkInterfaceNameByIndex message");
+ goto fail;
+ }
+
+#ifdef VALGRIND_WORKAROUND
+ return respond_string(c, m, "blah");
+#else
+
+ if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+ if ((fd = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
+ char txt[256];
+ snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
+ return respond_error(c, m, AVAHI_ERR_OS, txt);
+ }
+
+ memset(&ifr, 0, sizeof(ifr));
+ ifr.ifr_ifindex = idx;
+
+ if (ioctl(fd, SIOCGIFNAME, &ifr) < 0) {
+ char txt[256];
+ snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
+ close(fd);
+ return respond_error(c, m, AVAHI_ERR_OS, txt);
+ }
+
+ close(fd);
+
+ return respond_string(c, m, ifr.ifr_name);
+#endif
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceIndexByName")) {
+ char *n;
+ int fd;
+ struct ifreq ifr;
+
+ if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
+ avahi_log_warn("Error parsing Server::GetNetworkInterfaceIndexByName message");
+ goto fail;
+ }
+
+#ifdef VALGRIND_WORKAROUND
+ return respond_int32(c, m, 1);
+#else
+ if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+ if ((fd = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
+ char txt[256];
+ snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
+ return respond_error(c, m, AVAHI_ERR_OS, txt);
+ }
+
+ memset(&ifr, 0, sizeof(ifr));
+ snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s", n);
+
+ if (ioctl(fd, SIOCGIFINDEX, &ifr) < 0) {
+ char txt[256];
+ snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno));
+ close(fd);
+ return respond_error(c, m, AVAHI_ERR_OS, txt);
+ }
+
+ close(fd);
+
+ return respond_int32(c, m, ifr.ifr_ifindex);
+#endif
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeHostName")) {
+ char *n, * t;
+
+ if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
+ avahi_log_warn("Error parsing Server::GetAlternativeHostName message");
+ goto fail;
+ }
+
+ t = avahi_alternative_host_name(n);
+ respond_string(c, m, t);
+ avahi_free(t);
+
+ return DBUS_HANDLER_RESULT_HANDLED;
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeServiceName")) {
+ char *n, *t;
+
+ if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) {
+ avahi_log_warn("Error parsing Server::GetAlternativeServiceName message");
+ goto fail;
+ }
+
+ t = avahi_alternative_service_name(n);
+ respond_string(c, m, t);
+ avahi_free(t);
- g_main_loop_quit (loop);
return DBUS_HANDLER_RESULT_HANDLED;
- } else if (dbus_message_is_method_call (message, DBUS_SERVICE_AVAHI,
- "Register"))
- {
- return do_register (conn, message);
- } else if (dbus_message_is_signal (message,
- DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
- "ServiceAcquired"))
- {
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "EntryGroupNew")) {
+ Client *client;
+ EntryGroupInfo *i;
+ static const DBusObjectPathVTable vtable = {
+ NULL,
+ msg_entry_group_impl,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ };
+
+ if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) {
+ avahi_log_warn("Error parsing Server::EntryGroupNew message");
+ goto fail;
+ }
+
+ if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
+ avahi_log_warn("Too many clients, client request failed.");
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
+ }
+
+ if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
+ avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
+ }
+
+ i = avahi_new(EntryGroupInfo, 1);
+ i->id = ++client->current_id;
+ i->client = client;
+ i->path = avahi_strdup_printf("/Client%u/EntryGroup%u", client->id, i->id);
+ i->n_entries = 0;
+ AVAHI_LLIST_PREPEND(EntryGroupInfo, entry_groups, client->entry_groups, i);
+ client->n_objects++;
+
+ if (!(i->entry_group = avahi_s_entry_group_new(avahi_server, entry_group_callback, i))) {
+ entry_group_free(i);
+ return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
+ }
+
+ dbus_connection_register_object_path(c, i->path, &vtable, i);
+ return respond_path(c, m, i->path);
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveHostName")) {
+ Client *client;
+ int32_t interface, protocol, aprotocol;
char *name;
+ SyncHostNameResolverInfo *i;
+
+ if (!dbus_message_get_args(
+ m, &error,
+ DBUS_TYPE_INT32, &interface,
+ DBUS_TYPE_INT32, &protocol,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_INT32, &aprotocol,
+ DBUS_TYPE_INVALID) || !name) {
+ avahi_log_warn("Error parsing Server::ResolveHostName message");
+ goto fail;
+ }
+
+ if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
+ avahi_log_warn("Too many clients, client request failed.");
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
+ }
+
+ if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
+ avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
+ }
+
+ i = avahi_new(SyncHostNameResolverInfo, 1);
+ i->client = client;
+ i->message = dbus_message_ref(m);
+ AVAHI_LLIST_PREPEND(SyncHostNameResolverInfo, sync_host_name_resolvers, client->sync_host_name_resolvers, i);
+ client->n_objects++;
+
+ if (!(i->host_name_resolver = avahi_s_host_name_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, (AvahiProtocol) aprotocol, sync_host_name_resolver_callback, i))) {
+ sync_host_name_resolver_free(i);
+ return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
+ }
+
+ return DBUS_HANDLER_RESULT_HANDLED;
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveAddress")) {
+ Client *client;
+ int32_t interface, protocol;
+ char *address;
+ SyncAddressResolverInfo *i;
+ AvahiAddress a;
+
+ if (!dbus_message_get_args(
+ m, &error,
+ DBUS_TYPE_INT32, &interface,
+ DBUS_TYPE_INT32, &protocol,
+ DBUS_TYPE_STRING, &address,
+ DBUS_TYPE_INVALID) || !address) {
+ avahi_log_warn("Error parsing Server::ResolveAddress message");
+ goto fail;
+ }
+
+ if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))
+ return respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
+
+ if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
+ avahi_log_warn("Too many clients, client request failed.");
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
+ }
+
+ if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
+ avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
+ }
+
+ i = avahi_new(SyncAddressResolverInfo, 1);
+ i->client = client;
+ i->message = dbus_message_ref(m);
+ AVAHI_LLIST_PREPEND(SyncAddressResolverInfo, sync_address_resolvers, client->sync_address_resolvers, i);
+ client->n_objects++;
+
+ if (!(i->address_resolver = avahi_s_address_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, &a, sync_address_resolver_callback, i))) {
+ sync_address_resolver_free(i);
+ return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
+ }
+
+ return DBUS_HANDLER_RESULT_HANDLED;
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew")) {
+ Client *client;
+ DomainBrowserInfo *i;
+ static const DBusObjectPathVTable vtable = {
+ NULL,
+ msg_domain_browser_impl,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ };
+ int32_t interface, protocol, type;
+ char *domain;
+
+ if (!dbus_message_get_args(
+ m, &error,
+ DBUS_TYPE_INT32, &interface,
+ DBUS_TYPE_INT32, &protocol,
+ DBUS_TYPE_STRING, &domain,
+ DBUS_TYPE_INT32, &type,
+ DBUS_TYPE_INVALID) || type < 0 || type >= AVAHI_DOMAIN_BROWSER_MAX) {
+ avahi_log_warn("Error parsing Server::DomainBrowserNew message");
+ goto fail;
+ }
+
+ if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
+ avahi_log_warn("Too many clients, client request failed.");
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
+ }
+
+ if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
+ avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
+ }
+
+ if (!*domain)
+ domain = NULL;
+
+ i = avahi_new(DomainBrowserInfo, 1);
+ i->id = ++client->current_id;
+ i->client = client;
+ i->path = avahi_strdup_printf("/Client%u/DomainBrowser%u", client->id, i->id);
+ AVAHI_LLIST_PREPEND(DomainBrowserInfo, domain_browsers, client->domain_browsers, i);
+ client->n_objects++;
+
+ if (!(i->domain_browser = avahi_s_domain_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, (AvahiDomainBrowserType) type, domain_browser_callback, i))) {
+ domain_browser_free(i);
+ return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
+ }
+
+ dbus_connection_register_object_path(c, i->path, &vtable, i);
+ return respond_path(c, m, i->path);
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceTypeBrowserNew")) {
+ Client *client;
+ ServiceTypeBrowserInfo *i;
+ static const DBusObjectPathVTable vtable = {
+ NULL,
+ msg_service_type_browser_impl,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ };
+ int32_t interface, protocol;
+ char *domain;
+
+ if (!dbus_message_get_args(
+ m, &error,
+ DBUS_TYPE_INT32, &interface,
+ DBUS_TYPE_INT32, &protocol,
+ DBUS_TYPE_STRING, &domain,
+ DBUS_TYPE_INVALID)) {
+ avahi_log_warn("Error parsing Server::ServiceTypeBrowserNew message");
+ goto fail;
+ }
+
+ if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
+ avahi_log_warn("Too many clients, client request failed.");
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
+ }
+
- dbus_message_get_args (message, &error,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_INVALID);
+ if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
+ avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
+ }
+
+ if (!*domain)
+ domain = NULL;
+
+ i = avahi_new(ServiceTypeBrowserInfo, 1);
+ i->id = ++client->current_id;
+ i->client = client;
+ i->path = avahi_strdup_printf("/Client%u/ServiceTypeBrowser%u", client->id, i->id);
+ AVAHI_LLIST_PREPEND(ServiceTypeBrowserInfo, service_type_browsers, client->service_type_browsers, i);
+ client->n_objects++;
+
+ if (!(i->service_type_browser = avahi_s_service_type_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, service_type_browser_callback, i))) {
+ service_type_browser_free(i);
+ return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
+ }
+
+ dbus_connection_register_object_path(c, i->path, &vtable, i);
+ return respond_path(c, m, i->path);
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew")) {
+ Client *client;
+ ServiceBrowserInfo *i;
+ static const DBusObjectPathVTable vtable = {
+ NULL,
+ msg_service_browser_impl,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ };
+ int32_t interface, protocol;
+ char *domain, *type;
+
+ if (!dbus_message_get_args(
+ m, &error,
+ DBUS_TYPE_INT32, &interface,
+ DBUS_TYPE_INT32, &protocol,
+ DBUS_TYPE_STRING, &type,
+ DBUS_TYPE_STRING, &domain,
+ DBUS_TYPE_INVALID) || !type) {
+ avahi_log_warn("Error parsing Server::ServiceBrowserNew message");
+ goto fail;
+ }
+
+ if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
+ avahi_log_warn("Too many clients, client request failed.");
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
+ }
- if (dbus_error_is_set (&error))
- {
- g_warning ("Error parsing NameAcquired message");
- dbus_error_free (&error);
- return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+ if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
+ avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
+ }
+
+ if (!*domain)
+ domain = NULL;
+
+ i = avahi_new(ServiceBrowserInfo, 1);
+ i->id = ++client->current_id;
+ i->client = client;
+ i->path = avahi_strdup_printf("/Client%u/ServiceBrowser%u", client->id, i->id);
+ AVAHI_LLIST_PREPEND(ServiceBrowserInfo, service_browsers, client->service_browsers, i);
+ client->n_objects++;
+
+ if (!(i->service_browser = avahi_s_service_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, type, domain, service_browser_callback, i))) {
+ service_browser_free(i);
+ return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
+ }
+
+ dbus_connection_register_object_path(c, i->path, &vtable, i);
+ return respond_path(c, m, i->path);
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveService")) {
+ Client *client;
+ int32_t interface, protocol, aprotocol;
+ char *name, *type, *domain;
+ SyncServiceResolverInfo *i;
+
+ if (!dbus_message_get_args(
+ m, &error,
+ DBUS_TYPE_INT32, &interface,
+ DBUS_TYPE_INT32, &protocol,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &type,
+ DBUS_TYPE_STRING, &domain,
+ DBUS_TYPE_INT32, &aprotocol,
+ DBUS_TYPE_INVALID) || !name || !type) {
+ avahi_log_warn("Error parsing Server::ResolveService message");
+ goto fail;
+ }
+
+ if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
+ avahi_log_warn("Too many clients, client request failed.");
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
+ }
+
+ if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
+ avahi_log_warn("Too many objects for client '%s', client request failed.", client->name);
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
}
- g_message ("dbus: ServiceAcquired (%s)", name);
+ if (!*domain)
+ domain = NULL;
+
+ i = avahi_new(SyncServiceResolverInfo, 1);
+ i->client = client;
+ i->message = dbus_message_ref(m);
+ AVAHI_LLIST_PREPEND(SyncServiceResolverInfo, sync_service_resolvers, client->sync_service_resolvers, i);
+ client->n_objects++;
+ if (!(i->service_resolver = avahi_s_service_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, (AvahiProtocol) aprotocol, sync_service_resolver_callback, i))) {
+ sync_service_resolver_free(i);
+ return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
+ }
+
return DBUS_HANDLER_RESULT_HANDLED;
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew")) {
+ Client *client;
+ int32_t interface, protocol, aprotocol;
+ char *name, *type, *domain;
+ AsyncServiceResolverInfo *i;
+ static const DBusObjectPathVTable vtable = {
+ NULL,
+ msg_async_service_resolver_impl,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ };
+
+ if (!dbus_message_get_args(
+ m, &error,
+ DBUS_TYPE_INT32, &interface,
+ DBUS_TYPE_INT32, &protocol,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &type,
+ DBUS_TYPE_STRING, &domain,
+ DBUS_TYPE_INT32, &aprotocol,
+ DBUS_TYPE_INVALID) || !name || !type) {
+ avahi_log_warn("Error parsing Server::ServiceResolverNew message");
+ goto fail;
+ }
+
+ if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
+ avahi_log_warn(__FILE__": Too many clients, client request failed.");
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
+ }
+
+ if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
+ avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
+ }
+
+ i = avahi_new(AsyncServiceResolverInfo, 1);
+ i->id = ++client->current_id;
+ i->client = client;
+ i->path = avahi_strdup_printf("/Client%u/ServiceResolver%u", client->id, i->id);
+ AVAHI_LLIST_PREPEND(AsyncServiceResolverInfo, async_service_resolvers, client->async_service_resolvers, i);
+ client->n_objects++;
+
+ if (!(i->service_resolver = avahi_s_service_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, (AvahiProtocol) aprotocol, async_service_resolver_callback, i))) {
+ async_service_resolver_free(i);
+ return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
+ }
+
+ dbus_connection_register_object_path(c, i->path, &vtable, i);
+ return respond_path(c, m, i->path);
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew")) {
+ Client *client;
+ int32_t interface, protocol, aprotocol;
+ char *name;
+ AsyncHostNameResolverInfo *i;
+ static const DBusObjectPathVTable vtable = {
+ NULL,
+ msg_async_host_name_resolver_impl,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ };
+
+ if (!dbus_message_get_args(
+ m, &error,
+ DBUS_TYPE_INT32, &interface,
+ DBUS_TYPE_INT32, &protocol,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_INT32, &aprotocol,
+ DBUS_TYPE_INVALID) || !name) {
+ avahi_log_warn("Error parsing Server::HostNameResolverNew message");
+ goto fail;
+ }
+
+ if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
+ avahi_log_warn(__FILE__": Too many clients, client request failed.");
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
+ }
+
+ if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
+ avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
+ }
+
+ i = avahi_new(AsyncHostNameResolverInfo, 1);
+ i->id = ++client->current_id;
+ i->client = client;
+ i->path = avahi_strdup_printf("/Client%u/HostNameResolver%u", client->id, i->id);
+ AVAHI_LLIST_PREPEND(AsyncHostNameResolverInfo, async_host_name_resolvers, client->async_host_name_resolvers, i);
+ client->n_objects++;
+
+ if (!(i->host_name_resolver = avahi_s_host_name_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, aprotocol, async_host_name_resolver_callback, i))) {
+ async_host_name_resolver_free(i);
+ return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
+ }
+
+ dbus_connection_register_object_path(c, i->path, &vtable, i);
+ return respond_path(c, m, i->path);
+
+ } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew")) {
+ Client *client;
+ int32_t interface, protocol;
+ char *address;
+ AsyncAddressResolverInfo *i;
+ AvahiAddress a;
+ static const DBusObjectPathVTable vtable = {
+ NULL,
+ msg_async_address_resolver_impl,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ };
+
+ if (!dbus_message_get_args(
+ m, &error,
+ DBUS_TYPE_INT32, &interface,
+ DBUS_TYPE_INT32, &protocol,
+ DBUS_TYPE_STRING, &address,
+ DBUS_TYPE_INVALID) || !address) {
+ avahi_log_warn("Error parsing Server::AddressResolverNew message");
+ goto fail;
+ }
+
+ if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))
+ return respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL);
+
+ if (!(client = client_get(dbus_message_get_sender(m), TRUE))) {
+ avahi_log_warn(__FILE__": Too many clients, client request failed.");
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL);
+ }
+
+ if (client->n_objects >= MAX_OBJECTS_PER_CLIENT) {
+ avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name);
+ return respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL);
+ }
+
+ i = avahi_new(AsyncAddressResolverInfo, 1);
+ i->id = ++client->current_id;
+ i->client = client;
+ i->path = avahi_strdup_printf("/Client%u/AddressResolver%u", client->id, i->id);
+ AVAHI_LLIST_PREPEND(AsyncAddressResolverInfo, async_address_resolvers, client->async_address_resolvers, i);
+ client->n_objects++;
+
+ if (!(i->address_resolver = avahi_s_address_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, &a, async_address_resolver_callback, i))) {
+ async_address_resolver_free(i);
+ return respond_error(c, m, avahi_server_errno(avahi_server), NULL);
+ }
+
+ dbus_connection_register_object_path(c, i->path, &vtable, i);
+ return respond_path(c, m, i->path);
}
- g_message ("dbus: missed event");
+ 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;
}
-int
-dbus_protocol_setup (GMainLoop *loop)
-{
+void dbus_protocol_server_state_changed(AvahiServerState state) {
+ DBusMessage *m;
+ int32_t t;
+
+ if (!server)
+ return;
+
+ m = dbus_message_new_signal(AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "StateChanged");
+ t = (int32_t) state;
+ dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_INVALID);
+ dbus_connection_send(server->bus, m, NULL);
+ dbus_message_unref(m);
+}
+
+int dbus_protocol_setup(const AvahiPoll *poll_api) {
DBusError error;
- dbus_error_init (&error);
+ static const DBusObjectPathVTable server_vtable = {
+ NULL,
+ msg_server_impl,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ };
- bus = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
+ dbus_error_init(&error);
- if (bus == NULL)
- {
- g_warning ("dbus_bus_get(): %s", error.message);
- dbus_error_free (&error);
+ server = avahi_new(Server, 1);
+ AVAHI_LLIST_HEAD_INIT(Clients, server->clients);
+ server->current_id = 0;
+ server->n_clients = 0;
- return 1;
+ if (!(server->bus = dbus_bus_get(DBUS_BUS_SYSTEM, &error))) {
+ assert(dbus_error_is_set(&error));
+ avahi_log_error("dbus_bus_get(): %s", error.message);
+ goto fail;
}
- dbus_connection_setup_with_g_main (bus, NULL);
- dbus_connection_set_exit_on_disconnect (bus, FALSE);
+ if (avahi_dbus_connection_glue(server->bus, poll_api) < 0) {
+ avahi_log_error("avahi_dbus_connection_glue() failed");
+ goto fail;
+ }
- dbus_bus_acquire_service (bus, DBUS_SERVICE_AVAHI, 0, &error);
+ if (dbus_bus_request_name(server->bus, AVAHI_DBUS_NAME, DBUS_NAME_FLAG_PROHIBIT_REPLACEMENT, &error) != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
+ if (dbus_error_is_set(&error)) {
+ avahi_log_error("dbus_bus_request_name(): %s", error.message);
+ goto fail;
+ }
- if (dbus_error_is_set (&error))
- {
- g_warning ("dbus_error_is_set (): %s", error.message);
- dbus_error_free (&error);
+ avahi_log_error("Failed to acquire DBUS name '"AVAHI_DBUS_NAME"'");
+ goto fail;
+ }
- return 1;
+ if (!(dbus_connection_add_filter(server->bus, msg_signal_filter_impl, (void*) poll_api, NULL))) {
+ avahi_log_error("dbus_connection_add_filter() failed");
+ goto fail;
}
+
+ dbus_bus_add_match(server->bus, "type='signal',""interface='" DBUS_INTERFACE_DBUS "'", &error);
- dbus_connection_add_filter (bus, signal_filter, loop, NULL);
- dbus_bus_add_match (bus,
- "type='method_call',interface='org.freedesktop.Avahi'",
- &error);
+ if (dbus_error_is_set(&error)) {
+ avahi_log_error("dbus_bus_add_match(): %s", error.message);
+ goto fail;
+ }
+
+ if (!(dbus_connection_register_object_path(server->bus, AVAHI_DBUS_PATH_SERVER, &server_vtable, NULL))) {
+ avahi_log_error("dbus_connection_register_object_path() failed");
+ goto fail;
+ }
- if (dbus_error_is_set (&error))
- {
- g_warning ("dbus_bus_add_match (): %s", error.message);
- dbus_error_free (&error);
+ return 0;
- return 1;
+fail:
+ if (server->bus) {
+ dbus_connection_disconnect(server->bus);
+ dbus_connection_unref(server->bus);
}
- return 0;
+ if (dbus_error_is_set(&error))
+ dbus_error_free(&error);
+
+ avahi_free(server);
+ server = NULL;
+ return -1;
}
-void
-dbus_protocol_shutdown ()
-{
- if (bus) {
- dbus_connection_disconnect(bus);
- dbus_connection_unref(bus);
+void dbus_protocol_shutdown(void) {
+
+ if (server) {
+
+ while (server->clients)
+ client_free(server->clients);
+
+ assert(server->n_clients == 0);
+
+ if (server->bus) {
+ dbus_connection_disconnect(server->bus);
+ dbus_connection_unref(server->bus);
+ }
+
+ avahi_free(server);
+ server = NULL;
}
}