mirror of
https://github.com/yuzu-emu/mbedtls
synced 2024-11-24 13:28:16 +00:00
13c6bfbc2a
Test suite header code was not gaurded with test suite dependency. But some test suites have additional code in the headers section. Variables in that section become unused if suite functions are gaurded. Hence gaurded the headers section. But this changed cuased missing types in get_expression() function that was originally accessing types defined through suite headers. Hence had to gaurd expressions code as well. Gaurding expressions does not allow parsing the parameters when some types or hash defs are gaurded. Hence added function check_test() to check if test is allowed or not before parsing the parameters.
412 lines
10 KiB
Text
412 lines
10 KiB
Text
#line 2 "embedded_test.function"
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#include "greentea-client/test_env.h"
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/**
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* \brief Increments pointer and asserts that it does not overflow.
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*
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* \param p Pointer to byte array
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* \param start Pointer to start of byte array
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* \param len Length of byte array
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* \param step Increment size
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*
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*/
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#define INCR_ASSERT(p, start, len, step) do \
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{ \
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assert( p >= start ); \
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assert( sizeof( *p ) == sizeof( *start ) ); \
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/* <= is checked to support use inside a loop where \
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pointer is incremented after reading data. */ \
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assert( (uint32_t)( (p - start) + step ) <= len ); \
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p += step; \
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} \
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while( 0 )
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/**
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* \brief 4 byte align unsigned char pointer
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*
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* \param p Pointer to byte array
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* \param start Pointer to start of byte array
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* \param len Length of byte array
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*
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*/
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#define ALIGN_32BIT(p, start, len) do \
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{ \
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uint32_t align = ( - (uintptr_t)p ) % 4; \
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INCR_ASSERT(p, start, len, align); \
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} \
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while( 0 )
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/**
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* \brief Verify dependencies. Dependency identifiers are
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* encoded in the buffer as 8 bit unsigned integers.
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*
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* \param count Number of dependencies.
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* \param dep_p Pointer to buffer.
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*
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* \return DEPENDENCY_SUPPORTED if success else DEPENDENCY_NOT_SUPPORTED.
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*/
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int verify_dependencies( uint8_t count, uint8_t * dep_p )
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{
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uint8_t i;
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for ( i = 0; i < count; i++ )
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{
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if ( dep_check( (int)(dep_p[i]) ) != DEPENDENCY_SUPPORTED )
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return( DEPENDENCY_NOT_SUPPORTED );
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}
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return( DEPENDENCY_SUPPORTED );
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}
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/**
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* \brief Receives unsigned integer on serial interface.
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* Integers are encoded in network order.
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*
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* \param none
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*
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* \return unsigned int
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*/
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uint32_t receive_uint32()
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{
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uint32_t value;
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value = (uint8_t)greentea_getc() << 24;
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value |= (uint8_t)greentea_getc() << 16;
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value |= (uint8_t)greentea_getc() << 8;
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value |= (uint8_t)greentea_getc();
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return( (uint32_t)value );
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}
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/**
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* \brief Parses out an unsigned 32 int value from the byte array.
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* Integers are encoded in network order.
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*
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* \param p Pointer to byte array
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*
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* \return unsigned int
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*/
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uint32_t parse_uint32( uint8_t * p )
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{
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uint32_t value;
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value = *p++ << 24;
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value |= *p++ << 16;
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value |= *p++ << 8;
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value |= *p;
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return( value );
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}
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/**
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* \brief Receives test data on serial as greentea key,value pair:
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* {{<length>;<byte array>}}
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*
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* \param data_len Out pointer to hold received data length.
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*
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* \return Byte array.
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*/
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uint8_t * receive_data( uint32_t * data_len )
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{
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uint32_t i = 0, errors = 0;
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char c;
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uint8_t * data = NULL;
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/* Read opening braces */
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i = 0;
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while ( i < 2 )
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{
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c = greentea_getc();
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/* Ignore any prevous CR LF characters */
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if ( c == '\n' || c == '\r' )
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continue;
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i++;
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if ( c != '{' )
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return( NULL );
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}
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/* Read data length */
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*data_len = receive_uint32();
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data = (uint8_t *)malloc( *data_len );
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assert( data != NULL );
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greentea_getc(); // read ';' received after key i.e. *data_len
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for( i = 0; i < *data_len; i++ )
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data[i] = greentea_getc();
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/* Read closing braces */
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for( i = 0; i < 2; i++ )
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{
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c = greentea_getc();
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if ( c != '}' )
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{
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errors++;
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break;
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}
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}
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if ( errors )
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{
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free( data );
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data = NULL;
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*data_len = 0;
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}
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return( data );
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}
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/**
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* \brief Parses received byte array and finds number of hex parameters.
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*
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* \param count Parameter count
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* \param data Received Byte array
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* \param data_len Byte array length
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*
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* \return count of hex params
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*/
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uint32_t find_hex_count( uint8_t count, uint8_t * data, uint32_t data_len )
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{
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uint32_t i = 0, sz = 0;
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char c;
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uint8_t * p = NULL;
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uint32_t hex_count = 0;
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p = data;
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for( i = 0; i < count; i++ )
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{
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c = (char)*p;
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INCR_ASSERT( p, data, data_len, 1 );
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/* Align p to 4 bytes for int, expression, string len or hex length */
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ALIGN_32BIT( p, data, data_len );
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/* Network to host conversion */
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sz = (int32_t)parse_uint32( p );
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INCR_ASSERT( p, data, data_len, sizeof( int32_t ) );
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if ( c == 'H' || c == 'S' )
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{
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INCR_ASSERT( p, data, data_len, sz );
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hex_count += ( c == 'H' )?1:0;
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}
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}
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return( hex_count );
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}
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/**
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* \brief Parses received byte array for test parameters.
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*
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* \param count Parameter count
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* \param data Received Byte array
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* \param data_len Byte array length
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* \param error Parsing error out variable.
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*
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* \return Array of parsed parameters allocated on heap.
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* Note: Caller has the responsibility to delete
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* the memory after use.
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*/
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void ** parse_parameters( uint8_t count, uint8_t * data, uint32_t data_len,
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int * error )
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{
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uint32_t i = 0, hex_count = 0;
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char c;
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void ** params = NULL;
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void ** cur = NULL;
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uint8_t * p = NULL;
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hex_count = find_hex_count(count, data, data_len);
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params = (void **)malloc( sizeof( void *) * ( count + hex_count ) );
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assert( params != NULL );
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cur = params;
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p = data;
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/* Parameters */
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for( i = 0; i < count; i++ )
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{
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c = (char)*p;
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INCR_ASSERT( p, data, data_len, 1 );
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/* Align p to 4 bytes for int, expression, string len or hex length */
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ALIGN_32BIT( p, data, data_len );
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/* Network to host conversion */
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*( (int32_t *)p ) = (int32_t)parse_uint32( p );
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switch( c )
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{
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case 'E':
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{
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if ( get_expression( *( (int32_t *)p ), (int32_t *)p ) )
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{
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*error = KEY_VALUE_MAPPING_NOT_FOUND;
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goto exit;
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}
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} /* Intentional fall through */
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case 'I':
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{
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*cur++ = (void *)p;
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INCR_ASSERT( p, data, data_len, sizeof( int32_t ) );
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}
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break;
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case 'H': /* Intentional fall through */
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case 'S':
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{
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uint32_t * sz = (uint32_t *)p;
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INCR_ASSERT( p, data, data_len, sizeof( int32_t ) );
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*cur++ = (void *)p;
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if ( c == 'H' )
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*cur++ = (void *)sz;
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INCR_ASSERT( p, data, data_len, ( *sz ) );
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}
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break;
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default:
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{
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*error = DISPATCH_INVALID_TEST_DATA;
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goto exit;
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}
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break;
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}
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}
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exit:
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if ( *error )
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{
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free( params );
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params = NULL;
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}
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return( params );
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}
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/**
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* \brief Sends greentea key and int value pair to host.
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*
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* \param key key string
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* \param value integer value
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*
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* \return void
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*/
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void send_key_integer( char * key, int value )
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{
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char str[50];
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snprintf( str, sizeof( str ), "%d", value );
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greentea_send_kv( key, str );
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}
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/**
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* \brief Sends test setup failure to the host.
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*
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* \param failure Test set failure
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*
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* \return void
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*/
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void send_failure( int failure )
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{
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send_key_integer( "F", failure );
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}
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/**
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* \brief Sends test status to the host.
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*
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* \param status Test status (PASS=0/FAIL=!0)
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*
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* \return void
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*/
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void send_status( int status )
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{
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send_key_integer( "R", status );
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}
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/**
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* \brief Embedded implementation of execute_tests().
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* Ignores command line and received test data
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* on serial.
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*
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* \param argc not used
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* \param argv not used
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*
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* \return Program exit status.
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*/
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int execute_tests( int args, const char ** argv )
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{
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int ret = 0;
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uint32_t data_len = 0;
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uint8_t count = 0, function_id;
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void ** params = NULL;
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uint8_t * data = NULL, * p = NULL;
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GREENTEA_SETUP( 180, "mbedtls_test" );
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greentea_send_kv( "GO", " " );
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while ( 1 )
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{
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ret = 0;
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test_info.failed = 0;
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data_len = 0;
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data = receive_data( &data_len );
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if ( data == NULL )
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continue;
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p = data;
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do
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{
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/* Read dependency count */
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count = *p;
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assert( count < data_len );
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INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) );
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ret = verify_dependencies( count, p );
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if ( ret != DEPENDENCY_SUPPORTED )
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break;
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if ( count )
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INCR_ASSERT( p, data, data_len, count );
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/* Read function id */
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function_id = *p;
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INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) );
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if ( ( ret = check_test( function_id ) ) != DISPATCH_TEST_SUCCESS )
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break;
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/* Read number of parameters */
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count = *p;
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INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) );
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/* Parse parameters if present */
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if ( count )
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{
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params = parse_parameters( count, p, data_len - ( p - data ), &ret );
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if ( ret )
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break;
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}
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ret = dispatch_test( function_id, params );
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}
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while ( 0 );
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if ( data )
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{
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free(data);
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data = NULL;
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}
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if ( params )
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{
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free( params );
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params = NULL;
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}
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if ( ret )
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send_failure( ret );
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else
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send_status( test_info.failed );
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}
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return( 0 );
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}
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