static void hbn_listen_cb(int fd, gpointer data) { StunHBNListenData *ld = (StunHBNListenData *)data; GInetAddress *address = NULL; GSocketAddress *socket_address = NULL; struct stun_conn *sc; static struct stun_header hdr_data; if(fd < 0) { nattype.status = PURPLE_STUN_STATUS_UNKNOWN; nattype.lookup_time = time(NULL); do_callbacks(); return; } sc = g_new0(struct stun_conn, 1); sc->fd = fd; sc->addr.sin_family = AF_INET; sc->addr.sin_port = htons(purple_network_get_port_from_fd(fd)); sc->addr.sin_addr.s_addr = INADDR_ANY; sc->incb = purple_input_add(fd, PURPLE_INPUT_READ, reply_cb, sc); address = G_INET_ADDRESS(ld->addresses->data); socket_address = g_inet_socket_address_new(address, ld->port); g_socket_address_to_native(socket_address, &(sc->addr), g_socket_address_get_native_size(socket_address), NULL); g_object_unref(G_OBJECT(address)); g_object_unref(G_OBJECT(socket_address)); g_resolver_free_addresses(ld->addresses); g_free(ld); hdr_data.type = htons(MSGTYPE_BINDINGREQUEST); hdr_data.len = 0; hdr_data.transid[0] = rand(); hdr_data.transid[1] = ntohl(((int)'g' << 24) + ((int)'a' << 16) + ((int)'i' << 8) + (int)'m'); hdr_data.transid[2] = rand(); hdr_data.transid[3] = rand(); if(sendto(sc->fd, &hdr_data, sizeof(struct stun_header), 0, (struct sockaddr *)&(sc->addr), sizeof(struct sockaddr_in)) < (gssize)sizeof(struct stun_header)) { nattype.status = PURPLE_STUN_STATUS_UNKNOWN; nattype.lookup_time = time(NULL); do_callbacks(); close_stun_conn(sc); return; } sc->test = 1; sc->packet = &hdr_data; sc->packetsize = sizeof(struct stun_header); sc->timeout = purple_timeout_add(500, (GSourceFunc) timeoutfunc, sc); }
static void do_lookup_by_address (GTask *task, gpointer source_object, gpointer task_data, GCancellable *cancellable) { GInetAddress *address = task_data; struct sockaddr_storage sockaddr; gsize sockaddr_size; GSocketAddress *gsockaddr; gchar name[NI_MAXHOST]; gint retval; gsockaddr = g_inet_socket_address_new (address, 0); g_socket_address_to_native (gsockaddr, (struct sockaddr *)&sockaddr, sizeof (sockaddr), NULL); sockaddr_size = g_socket_address_get_native_size (gsockaddr); g_object_unref (gsockaddr); retval = getnameinfo ((struct sockaddr *)&sockaddr, sockaddr_size, name, sizeof (name), NULL, 0, NI_NAMEREQD); if (retval == 0) g_task_return_pointer (task, g_strdup (name), g_free); else { gchar *phys; phys = g_inet_address_to_string (address); g_task_return_new_error (task, G_RESOLVER_ERROR, g_resolver_error_from_addrinfo_error (retval), _("Error reverse-resolving “%s”: %s"), phys ? phys : "(unknown)", gai_strerror (retval)); g_free (phys); } }