static void
print_proxy_address (GSocketAddress *sockaddr)
{
GProxyAddress *proxy = NULL;
if (sockaddr == NULL)
{
printf ("\tdirect://\n");
return;
}
if (G_IS_PROXY_ADDRESS (sockaddr))
{
proxy = G_PROXY_ADDRESS (sockaddr);
printf ("\t%s://", g_proxy_address_get_protocol(proxy));
}
else
{
printf ("\tdirect://");
}
if (G_IS_INET_SOCKET_ADDRESS (sockaddr))
{
GInetAddress *inetaddr;
guint port;
gchar *addr;
g_object_get (sockaddr,
"address", &inetaddr,
"port", &port,
NULL);
addr = g_inet_address_to_string (inetaddr);
printf ("%s:%u", addr, port);
g_free (addr);
}
if (proxy)
{
if (g_proxy_address_get_username(proxy))
printf (" (Username: %s Password: %s)",
g_proxy_address_get_username(proxy),
g_proxy_address_get_password(proxy));
printf (" (Hostname: %s, Port: %i)",
g_proxy_address_get_destination_hostname (proxy),
g_proxy_address_get_destination_port (proxy));
}
printf ("\n");
}
static GIOStream *
g_socks4a_proxy_connect (GProxy *proxy,
GIOStream *io_stream,
GProxyAddress *proxy_address,
GCancellable *cancellable,
GError **error)
{
GInputStream *in;
GOutputStream *out;
const gchar *hostname;
guint16 port;
const gchar *username;
hostname = g_proxy_address_get_destination_hostname (proxy_address);
port = g_proxy_address_get_destination_port (proxy_address);
username = g_proxy_address_get_username (proxy_address);
in = g_io_stream_get_input_stream (io_stream);
out = g_io_stream_get_output_stream (io_stream);
/* Send SOCKS4 connection request */
{
guint8 msg[SOCKS4_CONN_MSG_LEN];
gint len;
len = set_connect_msg (msg, hostname, port, username, error);
if (len < 0)
goto error;
if (!g_output_stream_write_all (out, msg, len, NULL,
cancellable, error))
goto error;
}
/* Read SOCKS4 response */
{
guint8 data[SOCKS4_CONN_REP_LEN];
if (!g_input_stream_read_all (in, data, SOCKS4_CONN_REP_LEN, NULL,
cancellable, error))
goto error;
if (!parse_connect_reply (data, error))
goto error;
}
return g_object_ref (io_stream);
error:
return NULL;
}
static void
g_socks4a_proxy_connect_async (GProxy *proxy,
GIOStream *io_stream,
GProxyAddress *proxy_address,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GError *error = NULL;
GTask *task;
ConnectAsyncData *data;
const gchar *hostname;
guint16 port;
const gchar *username;
data = g_slice_new0 (ConnectAsyncData);
data->io_stream = g_object_ref (io_stream);
task = g_task_new (proxy, cancellable, callback, user_data);
g_task_set_task_data (task, data, (GDestroyNotify) free_connect_data);
hostname = g_proxy_address_get_destination_hostname (proxy_address);
port = g_proxy_address_get_destination_port (proxy_address);
username = g_proxy_address_get_username (proxy_address);
data->buffer = g_malloc0 (SOCKS4_CONN_MSG_LEN);
data->length = set_connect_msg (data->buffer,
hostname, port, username,
&error);
data->offset = 0;
if (data->length < 0)
{
g_task_return_error (task, error);
g_object_unref (task);
}
else
{
do_write (connect_msg_write_cb, task, data);
}
}