static void wd_tracker_update(wd_tracker_t *tracker) {
wi_socket_t *socket;
wi_integer_t bytes;
uint32_t guest, download;
guest = (wd_trackers_guest_account != NULL);
download = (guest && wd_trackers_guest_account->download);
socket = wi_autorelease(wi_socket_init_with_address(wi_socket_alloc(), tracker->address, WI_SOCKET_UDP));
if(!socket) {
wi_log_err(WI_STR("Could not create a socket for tracker %@: %m"),
tracker->host);
return;
}
bytes = wi_socket_sendto(socket, tracker->context, WI_STR("UPDATE %#@%c%u%c%u%c%u%c%u%c%llu%c"),
tracker->key, WD_FIELD_SEPARATOR,
wd_current_users, WD_FIELD_SEPARATOR,
guest, WD_FIELD_SEPARATOR,
download, WD_FIELD_SEPARATOR,
wd_files_unique_count, WD_FIELD_SEPARATOR,
wd_files_unique_size, WD_MESSAGE_SEPARATOR);
if(bytes < 0) {
wi_log_err(WI_STR("Could not send message to tracker %@: %m"),
tracker->host);
return;
}
}
static void wr_msg_400(wi_array_t *arguments) {
wi_address_t *address;
wr_transfer_t *transfer;
transfer = wr_transfers_transfer_with_path(WI_ARRAY(arguments, 0));
if(!transfer)
return;
address = wi_copy(wr_address);
wi_address_set_port(address, wi_address_port(address) + 1);
transfer->state = WR_TRANSFER_RUNNING;
transfer->offset = wi_string_uint64(WI_ARRAY(arguments, 1));
transfer->transferred = transfer->offset;
transfer->key = wi_retain(WI_ARRAY(arguments, 2));
transfer->start_time = wi_time_interval();
transfer->socket = wi_socket_init_with_address(wi_socket_alloc(), address, WI_SOCKET_TCP);
wi_socket_set_interactive(transfer->socket, false);
if(!wi_socket_connect(transfer->socket, wr_socket_context, 15.0)) {
wr_printf_prefix(WI_STR("Could not connect to %@: %m"), wi_address_string(address));
wr_transfer_stop(transfer);
goto end;
}
wi_file_seek(transfer->file, transfer->offset);
if(transfer->type == WR_TRANSFER_DOWNLOAD) {
wi_socket_set_direction(transfer->socket, WI_SOCKET_READ);
wr_runloop_add_socket(transfer->socket, wr_runloop_download_callback);
} else {
wi_socket_set_direction(transfer->socket, WI_SOCKET_WRITE);
wr_runloop_add_socket(transfer->socket, wr_runloop_upload_callback);
}
wr_send_command_on_socket(transfer->socket, WI_STR("TRANSFER %#@"), transfer->key);
wr_printf_prefix(WI_STR("Starting transfer of \"%@\""), transfer->name);
wr_draw_transfers(true);
end:
wi_release(address);
}
static void wd_tracker_update(wd_tracker_t *tracker) {
wi_socket_t *socket;
wi_data_t *data;
wi_string_t *string;
wi_integer_t bytes;
uint32_t guest, download;
guest = (wd_trackers_guest_account != NULL);
download = (guest && wd_trackers_guest_account->download);
socket = wi_autorelease(wi_socket_init_with_address(wi_socket_alloc(), tracker->address, WI_SOCKET_UDP));
if(!socket) {
wi_log_err(WI_STR("Could not create a socket for tracker %@: %m"),
tracker->host);
return;
}
string = wi_string_with_format(WI_STR("UPDATE %#@%c%u%c%u%c%u%c%u%c%llu%c"),
tracker->key, WD_FIELD_SEPARATOR,
wd_current_users, WD_FIELD_SEPARATOR,
guest, WD_FIELD_SEPARATOR,
download, WD_FIELD_SEPARATOR,
wd_files_count, WD_FIELD_SEPARATOR,
wd_files_size, WD_MESSAGE_SEPARATOR);
data = wi_rsa_encrypt(tracker->public_key, wi_string_data(string));
bytes = wi_socket_sendto_data(socket, data);
if(bytes < 0) {
wi_log_err(WI_STR("Could not send message to tracker %@: %m"),
tracker->host);
return;
}
}
wi_socket_t * wi_socket_with_address(wi_address_t *address, wi_socket_type_t type) {
return wi_autorelease(wi_socket_init_with_address(wi_socket_alloc(), address, type));
}
void wd_server_init(void) {
wi_enumerator_t *enumerator;
wi_array_t *array, *addresses;
wi_address_t *address;
wi_socket_t *control_socket, *transfer_socket;
wi_string_t *ip, *string;
wi_address_family_t family;
wd_control_sockets = wi_array_init(wi_mutable_array_alloc());
wd_transfer_sockets = wi_array_init(wi_mutable_array_alloc());
addresses = wi_array_init(wi_mutable_array_alloc());
if(wi_array_count(wd_settings.address) > 0) {
/* listen on configured addresses */
wi_array_rdlock(wd_settings.address);
enumerator = wi_array_data_enumerator(wd_settings.address);
while((string = wi_enumerator_next_data(enumerator))) {
array = wi_host_addresses(wi_host_with_string(string));
if(array)
wi_mutable_array_add_data_from_array(addresses, array);
else
wi_log_err(WI_STR("Could not resolve \"%@\": %m"), string);
}
wi_array_unlock(wd_settings.address);
} else {
/* add wildcard addresses */
wi_mutable_array_add_data(addresses, wi_address_wildcard_for_family(WI_ADDRESS_IPV6));
wi_mutable_array_add_data(addresses, wi_address_wildcard_for_family(WI_ADDRESS_IPV4));
}
enumerator = wi_array_data_enumerator(addresses);
while((address = wi_enumerator_next_data(enumerator))) {
ip = wi_address_string(address);
family = wi_address_family(address);
/* force address family? */
if(wd_address_family != WI_ADDRESS_NULL && family != wd_address_family)
continue;
/* create sockets */
wi_address_set_port(address, wd_settings.port);
control_socket = wi_autorelease(wi_socket_init_with_address(wi_socket_alloc(), address, WI_SOCKET_TCP));
wi_address_set_port(address, wd_settings.port + 1);
transfer_socket = wi_autorelease(wi_socket_init_with_address(wi_socket_alloc(), address, WI_SOCKET_TCP));
if(!control_socket || !transfer_socket) {
wi_log_warn(WI_STR("Could not create socket for %@: %m"), ip);
continue;
}
/* listen on sockets */
if(!wi_socket_listen(control_socket)) {
wi_log_warn(WI_STR("Could not listen on %@ port %u: %m"),
ip, wi_address_port(wi_socket_address(control_socket)));
continue;
}
if(!wi_socket_listen(transfer_socket)) {
wi_log_warn(WI_STR("Could not listen on %@ port %u: %m"),
ip, wi_address_port(wi_socket_address(transfer_socket)));
continue;
}
wi_socket_set_interactive(control_socket, true);
wi_socket_set_interactive(transfer_socket, false);
/* add to list of sockets */
wi_mutable_array_add_data(wd_control_sockets, control_socket);
wi_mutable_array_add_data(wd_transfer_sockets, transfer_socket);
wi_log_info(WI_STR("Listening on %@ ports %d-%d"),
ip, wd_settings.port, wd_settings.port + 1);
}
if(wi_array_count(wd_control_sockets) == 0 || wi_array_count(wd_transfer_sockets) == 0)
wi_log_fatal(WI_STR("No addresses available for listening"));
wi_release(addresses);
#ifdef HAVE_DNS_SD_H
if(wd_settings.zeroconf)
wd_server_register_dnssd();
#endif
}
void wr_client_connect(wi_string_t *hostname, wi_uinteger_t port, wi_string_t *login, wi_string_t *password) {
wi_enumerator_t *enumerator;
wi_array_t *addresses;
wi_address_t *address;
wi_p7_socket_t *p7_socket;
wi_p7_message_t *message;
wi_socket_t *socket;
wi_string_t *ip;
wr_server_t *server;
if(wr_connected)
wr_client_disconnect();
wr_printf_prefix(WI_STR("Connecting to %@..."), hostname);
if(port == 0)
port = WR_PORT;
if(!login)
login = WI_STR("guest");
if(!password)
password = WI_STR("");
addresses = wi_host_addresses(wi_host_with_string(hostname));
if(!addresses) {
wr_printf_prefix(WI_STR("Could not resolve \"%@\": %m"),
hostname);
return;
}
enumerator = wi_array_data_enumerator(addresses);
while((address = wi_enumerator_next_data(enumerator))) {
ip = wi_address_string(address);
wr_printf_prefix(WI_STR("Trying %@ at port %u..."), ip, port);
wi_address_set_port(address, port);
socket = wi_autorelease(wi_socket_init_with_address(wi_socket_alloc(), address, WI_SOCKET_TCP));
if(!socket) {
wr_printf_prefix(WI_STR("Could not open a socket to %@: %m"), ip);
continue;
}
wi_socket_set_interactive(socket, true);
if(!wi_socket_connect(socket, 10.0)) {
wr_printf_prefix(WI_STR("Could not connect to %@: %m"), ip);
continue;
}
p7_socket = wi_autorelease(wi_p7_socket_init_with_socket(wi_p7_socket_alloc(), socket, wr_p7_spec));
if(!wi_p7_socket_connect(p7_socket,
10.0,
WI_P7_COMPRESSION_DEFLATE | WI_P7_ENCRYPTION_RSA_AES256_SHA1 | WI_P7_CHECKSUM_SHA1,
WI_P7_BINARY,
login,
wi_string_sha1(password))) {
wr_printf_prefix(WI_STR("Could not connect to %@: %m"), ip);
continue;
}
wr_printf_prefix(WI_STR("Connected using %@/%u bits, logging in..."),
wi_cipher_name(wi_p7_socket_cipher(p7_socket)),
wi_cipher_bits(wi_p7_socket_cipher(p7_socket)));
server = wr_client_login(p7_socket, login, password);
if(!server)
break;
wr_printf_prefix(WI_STR("Logged in, welcome to %@"), wr_server_name(server));
message = wi_p7_message_with_name(WI_STR("wired.chat.join_chat"), wr_p7_spec);
wi_p7_message_set_uint32_for_name(message, wr_chat_id(wr_public_chat), WI_STR("wired.chat.id"));
wr_client_write_message(p7_socket, message);
wr_connected = true;
wr_socket = wi_retain(socket);
wr_p7_socket = wi_retain(p7_socket);
wr_server = wi_retain(server);
wr_password = wi_retain(password);
wi_socket_set_direction(wr_socket, WI_SOCKET_READ);
wr_runloop_add_socket(wr_socket, &wr_runloop_server_callback);
break;
}
wr_draw_divider();
}
static void wd_tracker_register(wd_tracker_t *tracker) {
wi_enumerator_t *enumerator;
wi_address_t *address;
wi_array_t *arguments;
wi_string_t *ip, *string;
uint32_t message;
wi_boolean_t fatal = false;
if(!wi_lock_trylock(tracker->register_lock))
return;
enumerator = wi_array_data_enumerator(tracker->addresses);
while((address = wi_enumerator_next_data(enumerator))) {
tracker->active = false;
tracker->address = NULL;
ip = wi_address_string(address);
wi_log_info(WI_STR("Trying %@ for tracker %@..."),
ip, tracker->host);
tracker->socket = wi_autorelease(wi_socket_init_with_address(wi_socket_alloc(), address, WI_SOCKET_TCP));
if(!tracker->socket) {
wi_log_err(WI_STR("Could not create socket for tracker %@: %m"),
tracker->host);
continue;
}
if(!wi_socket_connect(tracker->socket, 30.0)) {
wi_log_err(WI_STR("Could not connect to tracker %@: %m"),
tracker->host);
continue;
}
if(!wi_socket_connect_tls(tracker->socket, tracker->tls, 30.0)) {
wi_log_err(WI_STR("Could not connect to tracker %@: %m"),
tracker->host);
continue;
}
if(!wd_tracker_write(tracker, WI_STR("HELLO")))
continue;
if(!wd_tracker_read(tracker, &message, &arguments))
continue;
if(message != 200) {
string = wi_array_components_joined_by_string(arguments, WI_STR(" "));
wi_log_err(WI_STR("Could not register with tracker %@: Unexpected reply \"%u %@\""),
tracker->host, message, string);
fatal = true;
continue;
}
if(!wd_tracker_write(tracker, WI_STR("CLIENT %#@"), wd_server_version_string))
continue;
if(!wd_tracker_write(tracker, WI_STR("REGISTER %#@%c%#@%c%#@%c%u%c%#@"),
tracker->category, WD_FIELD_SEPARATOR,
wd_settings.url, WD_FIELD_SEPARATOR,
wd_settings.name, WD_FIELD_SEPARATOR,
wd_settings.bandwidth, WD_FIELD_SEPARATOR,
wd_settings.description))
continue;
if(!wd_tracker_read(tracker, &message, &arguments))
continue;
if(message != 700 || wi_array_count(arguments) < 1) {
string = wi_array_components_joined_by_string(arguments, WI_STR(" "));
wi_log_err(WI_STR("Could not register with tracker %@: Unexpected reply \"%u %@\""),
tracker->host, message, string);
break;
}
wi_release(tracker->key);
tracker->key = wi_retain(WI_ARRAY(arguments, 0));
tracker->public_key = wi_retain(wi_socket_ssl_public_key(tracker->socket));
if(!tracker->public_key) {
wi_log_err(WI_STR("Could not get public key from the tracker %@: %m"),
tracker->host);
break;
}
wi_log_info(WI_STR("Registered with the tracker %@"),
tracker->host);
tracker->active = true;
tracker->address = address;
break;
}
wi_lock_unlock(tracker->register_lock);
}
void wr_connect(wi_string_t *hostname, wi_uinteger_t port, wi_string_t *login, wi_string_t *password) {
wi_enumerator_t *enumerator;
wi_array_t *addresses;
wi_address_t *address;
wi_socket_t *socket;
wi_string_t *ip;
if(wr_connected)
wr_disconnect();
wr_printf_prefix(WI_STR("Connecting to %@..."), hostname);
if(port == 0)
port = WR_CONTROL_PORT;
addresses = wi_host_addresses(wi_host_with_string(hostname));
if(!addresses) {
wr_printf_prefix(WI_STR("Could not resolve \"%@\": %m"),
hostname);
return;
}
enumerator = wi_array_data_enumerator(addresses);
while((address = wi_enumerator_next_data(enumerator))) {
ip = wi_address_string(address);
wr_printf_prefix(WI_STR("Trying %@ at port %u..."), ip, port);
wi_address_set_port(address, port);
socket = wi_autorelease(wi_socket_init_with_address(wi_socket_alloc(), address, WI_SOCKET_TCP));
if(!socket) {
wr_printf_prefix(WI_STR("Could not open a socket to %@: %m"), ip);
continue;
}
wi_socket_set_interactive(socket, true);
if(!wi_socket_connect(socket, 10.0)) {
wr_printf_prefix(WI_STR("Could not connect to %@: %m"), ip);
continue;
}
if(!wi_socket_connect_tls(socket, wr_socket_tls, 10.0)) {
wr_printf_prefix(WI_STR("Could not connect to %@: %m"), ip);
continue;
}
wr_printf_prefix(WI_STR("Connected using %@/%@/%u bits, logging in..."),
wi_socket_cipher_version(socket),
wi_socket_cipher_name(socket),
wi_socket_cipher_bits(socket));
wr_connected = true;
wr_host = wi_retain(hostname);
wr_port = port;
wr_login = wi_retain(login);
wr_password = wi_retain(password);
wr_socket = wi_retain(socket);
wr_address = wi_retain(address);
wr_runloop_add_socket(wr_socket, &wr_runloop_server_callback);
wr_send_command(WI_STR("HELLO"));
break;
}
if(wr_socket)
wi_socket_set_direction(wr_socket, WI_SOCKET_READ);
}
void wr_connect(wi_string_t *hostname, unsigned int port, wi_string_t *login, wi_string_t *password) {
wi_list_t *addresses;
wi_list_node_t *node;
wi_address_t *address;
wi_socket_t *socket;
wi_string_t *ip;
if(wr_connected)
wr_disconnect();
wr_printf_prefix(WI_STR("Connecting to %@..."), hostname);
if(port == 0)
port = WR_CONTROL_PORT;
addresses = wi_host_addresses(wi_host_with_string(hostname));
if(!addresses) {
wr_printf_prefix(WI_STR("Could not resolve \"%@\": %m"),
hostname);
return;
}
WI_LIST_FOREACH(addresses, node, address) {
ip = wi_address_string(address);
wr_printf_prefix(WI_STR("Trying %@..."), ip);
wi_address_set_port(address, port);
socket = wi_socket_init_with_address(wi_socket_alloc(), address, WI_SOCKET_TCP);
wi_socket_set_interactive(socket, true);
if(!wi_socket_connect(socket, wr_socket_context, 10.0)) {
wr_printf_prefix(WI_STR("Could not connect to %@: %m"), ip);
goto next;
}
wr_printf_prefix(WI_STR("Connected using %@/%@/%u bits, logging in..."),
wi_socket_cipher_version(socket),
wi_socket_cipher_name(socket),
wi_socket_cipher_bits(socket));
wr_connected = true;
wr_host = wi_retain(hostname);
wr_port = port;
wr_login = wi_retain(login);
wr_password = wi_retain(password);
wr_socket = wi_retain(socket);
wr_address = wi_retain(address);
wr_runloop_add_socket(wr_socket, &wr_runloop_server_callback);
wr_send_command(WI_STR("HELLO"));
next:
wi_release(socket);
if(wr_connected)
break;
}
