/**
* Internally used gnutls callback function for sending encrypted data.
*/
static ssize_t internal_ssl_write(gnutls_transport_ptr_t transport, char *buffer, size_t length)
{
uint32_t bytes = 0;
idevice_connection_t connection = (idevice_connection_t)transport;
debug_info("pre-send length = %zi", length);
internal_connection_send(connection, buffer, length, &bytes);
debug_info("post-send sent %i bytes", bytes);
return bytes;
}
/**
* Internally used gnutls callback function for sending encrypted data.
*/
static ssize_t internal_ssl_write(gnutls_transport_ptr_t transport, char *buffer, size_t length)
{
uint32_t bytes = 0;
idevice_error_t res;
idevice_connection_t connection = (idevice_connection_t)transport;
debug_info("pre-send length = %zi", length);
if ((res = internal_connection_send(connection, buffer, length, &bytes)) != IDEVICE_E_SUCCESS) {
debug_info("ERROR: internal_connection_send returned %d", res);
return -1;
}
debug_info("post-send sent %i bytes", bytes);
return bytes;
}
/**
* Send data to a device via the given connection.
*
* @param connection The connection to send data over.
* @param data Buffer with data to send.
* @param len Size of the buffer to send.
* @param sent_bytes Pointer to an uint32_t that will be filled
* with the number of bytes actually sent.
*
* @return IDEVICE_E_SUCCESS if ok, otherwise an error code.
*/
idevice_error_t idevice_connection_send(idevice_connection_t connection, const char *data, uint32_t len, uint32_t *sent_bytes)
{
if (!connection || !data || (connection->ssl_data && !connection->ssl_data->session)) {
return IDEVICE_E_INVALID_ARG;
}
if (connection->ssl_data) {
ssize_t sent = gnutls_record_send(connection->ssl_data->session, (void*)data, (size_t)len);
if ((uint32_t)sent == (uint32_t)len) {
*sent_bytes = sent;
return IDEVICE_E_SUCCESS;
}
*sent_bytes = 0;
return IDEVICE_E_SSL_ERROR;
}
return internal_connection_send(connection, data, len, sent_bytes);
}
idevice_error_t idevice_connection_send(idevice_connection_t connection, const char *data, uint32_t len, uint32_t *sent_bytes)
{
if (!connection || !data || (connection->ssl_data && !connection->ssl_data->session)) {
return IDEVICE_E_INVALID_ARG;
}
if (connection->ssl_data) {
#ifdef HAVE_OPENSSL
int sent = SSL_write(connection->ssl_data->session, (const void*)data, (int)len);
debug_info("SSL_write %d, sent %d,content:%s", len, sent,data);
#else
ssize_t sent = gnutls_record_send(connection->ssl_data->session, (void*)data, (size_t)len);
#endif
if ((uint32_t)sent == (uint32_t)len) {
*sent_bytes = sent;
return IDEVICE_E_SUCCESS;
}
*sent_bytes = 0;
return IDEVICE_E_SSL_ERROR;
}
return internal_connection_send(connection, data, len, sent_bytes);
}
