Fix ssl_client2 to send 0-length app data

This commit is contained in:
Andres Amaya Garcia 2018-07-04 09:29:34 +01:00 committed by Simon Butcher
parent 1a7a17e548
commit ce6fbac247

View File

@ -248,6 +248,10 @@ int main( void )
" request_page=%%s default: \".\"\n" \ " request_page=%%s default: \".\"\n" \
" request_size=%%d default: about 34 (basic request)\n" \ " request_size=%%d default: about 34 (basic request)\n" \
" (minimum: 0, max: " MAX_REQUEST_SIZE_STR ")\n" \ " (minimum: 0, max: " MAX_REQUEST_SIZE_STR ")\n" \
" If 0, in the first exchange only an empty\n" \
" application data message is sent followed by\n" \
" a second non-empty message before attempting\n" \
" to read a response from the server\n" \
" debug_level=%%d default: 0 (disabled)\n" \ " debug_level=%%d default: 0 (disabled)\n" \
" nbio=%%d default: 0 (blocking I/O)\n" \ " nbio=%%d default: 0 (blocking I/O)\n" \
" options: 1 (non-blocking), 2 (added delays)\n" \ " options: 1 (non-blocking), 2 (added delays)\n" \
@ -1663,10 +1667,13 @@ send_request:
if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ) if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
{ {
for( written = 0, frags = 0; written < len; written += ret, frags++ ) written = 0;
frags = 0;
do
{ {
while( ( ret = mbedtls_ssl_write( &ssl, buf + written, while( ( ret = mbedtls_ssl_write( &ssl, buf + written,
len - written ) ) <= 0 ) len - written ) ) < 0 )
{ {
if( ret != MBEDTLS_ERR_SSL_WANT_READ && if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
ret != MBEDTLS_ERR_SSL_WANT_WRITE ) ret != MBEDTLS_ERR_SSL_WANT_WRITE )
@ -1686,7 +1693,11 @@ send_request:
#endif #endif
} }
} }
frags++;
written += ret;
} }
while( written < len );
} }
else /* Not stream, so datagram */ else /* Not stream, so datagram */
{ {
@ -1730,6 +1741,13 @@ send_request:
mbedtls_printf( " %d bytes written in %d fragments\n\n%s\n", mbedtls_printf( " %d bytes written in %d fragments\n\n%s\n",
written, frags, (char *) buf ); written, frags, (char *) buf );
/* Send a non-empty request if request_size == 0 */
if ( len == 0 )
{
opt.request_size = DFL_REQUEST_SIZE;
goto send_request;
}
/* /*
* 7. Read the HTTP response * 7. Read the HTTP response
*/ */