void
xdmcp_client_send_request (XDMCPClient *client,
guint16 display_number,
GInetAddress **addresses,
const gchar *authentication_name,
const guint8 *authentication_data, guint16 authentication_data_length,
gchar **authorization_names, const gchar *mfid)
{
gsize length = 11 + strlen (authentication_name) + authentication_data_length + strlen (mfid);
gsize n_addresses = 0;
for (GInetAddress **address = addresses; *address; address++)
{
gssize native_address_length = g_inet_address_get_native_size (*address);
length += 4 + native_address_length;
n_addresses++;
}
gsize n_names = 0;
for (gchar **name = authorization_names; *name; name++)
{
length += 2 + strlen (*name);
n_names++;
}
guint8 buffer[MAXIMUM_REQUEST_LENGTH];
gsize offset = 0;
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, XDMCP_VERSION, &offset);
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, XDMCP_Request, &offset);
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, length, &offset);
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, display_number, &offset);
write_card8 (buffer, MAXIMUM_REQUEST_LENGTH, n_addresses, &offset);
for (GInetAddress **address = addresses; *address; address++)
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, 0, &offset); /* FamilyInternet */
write_card8 (buffer, MAXIMUM_REQUEST_LENGTH, n_addresses, &offset);
for (GInetAddress **address = addresses; *address; address++)
{
gssize native_address_length = g_inet_address_get_native_size (*address);
const guint8 *native_address = g_inet_address_to_bytes (*address);
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, native_address_length, &offset);
write_string8 (buffer, MAXIMUM_REQUEST_LENGTH, native_address, native_address_length, &offset);
}
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, strlen (authentication_name), &offset);
write_string (buffer, MAXIMUM_REQUEST_LENGTH, authentication_name, &offset);
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, authentication_data_length, &offset);
write_string8 (buffer, MAXIMUM_REQUEST_LENGTH, authentication_data, authentication_data_length, &offset);
write_card8 (buffer, MAXIMUM_REQUEST_LENGTH, n_names, &offset);
for (gchar **name = authorization_names; *name; name++)
{
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, strlen (*name), &offset);
write_string (buffer, MAXIMUM_REQUEST_LENGTH, *name, &offset);
}
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, strlen (mfid), &offset);
write_string (buffer, MAXIMUM_REQUEST_LENGTH, mfid, &offset);
xdmcp_write (client, buffer, offset);
}
void
write_padding (guint8 *buffer, gsize buffer_length, gsize length, gsize *offset)
{
gsize i;
for (i = 0; i < length; i++)
write_card8 (buffer, buffer_length, 0, offset);
}
static void
send_query (XDMCPClient *client, guint16 opcode, gchar **authentication_names)
{
guint8 buffer[MAXIMUM_REQUEST_LENGTH];
gsize offset = 0;
gsize length = 1;
gsize n_names = 0;
for (gchar **name = authentication_names; authentication_names && *name; name++)
{
length += 2 + strlen (*name);
n_names++;
}
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, XDMCP_VERSION, &offset);
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, opcode, &offset);
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, length, &offset);
write_card8 (buffer, MAXIMUM_REQUEST_LENGTH, n_names, &offset);
for (gchar **name = authentication_names; authentication_names && *name; name++)
{
write_card16 (buffer, MAXIMUM_REQUEST_LENGTH, X_BYTE_ORDER_MSB, strlen (*name), &offset);
write_string (buffer, MAXIMUM_REQUEST_LENGTH, *name, &offset);
}
xdmcp_write (client, buffer, offset);
}
void
write_card16 (guint8 *buffer, gsize buffer_length, guint8 byte_order, guint16 value, gsize *offset)
{
if (byte_order == X_BYTE_ORDER_MSB)
{
write_card8 (buffer, buffer_length, value >> 8, offset);
write_card8 (buffer, buffer_length, value & 0xFF, offset);
}
