tests/suites/target_test.function - security/mbedtls - Rivoreo Source Code Repositories

 #line 2 "suites/target_test.function"

 #include "greentea-client/test_env.h"

 /**
  * \brief       Increments pointer and asserts that it does not overflow.
  *
  * \param p     Pointer to byte array
  * \param start Pointer to start of byte array
  * \param len   Length of byte array
  * \param step  Increment size
  *
  */
 #define INCR_ASSERT(p, start, len, step) do                     \
 {                                                               \
     assert( ( p ) >= ( start ) );                               \
     assert( sizeof( *( p ) ) == sizeof( *( start ) ) );         \
     /* <= is checked to support use inside a loop where         \
        pointer is incremented after reading data.       */      \
     assert( (uint32_t)( ( ( p ) - ( start ) ) + ( step ) ) <= ( len ) );\
     ( p ) += ( step );                                          \
 }                                                               \
 while( 0 )


 /**
  * \brief       4 byte align unsigned char pointer
  *
  * \param p     Pointer to byte array
  * \param start Pointer to start of byte array
  * \param len   Length of byte array
  *
  */
 #define ALIGN_32BIT(p, start, len) do           \
 {                                               \
     uint32_t align = ( - (uintptr_t)( p ) ) % 4;\
     INCR_ASSERT( ( p ), ( start ), ( len ), align);\
 }                                               \
 while( 0 )


 /**
  * \brief       Verify dependencies. Dependency identifiers are
  *              encoded in the buffer as 8 bit unsigned integers.
  *
  * \param count     Number of dependencies.
  * \param dep_p     Pointer to buffer.
  *
  * \return          DEPENDENCY_SUPPORTED if success else DEPENDENCY_NOT_SUPPORTED.
  */
 int verify_dependencies( uint8_t count, uint8_t * dep_p )
 {
     uint8_t i;
     for ( i = 0; i < count; i++ )
     {
         if ( dep_check( (int)(dep_p[i]) ) != DEPENDENCY_SUPPORTED )
             return( DEPENDENCY_NOT_SUPPORTED );
     }
     return( DEPENDENCY_SUPPORTED );
 }


 /**
  * \brief       Receives unsigned integer on serial interface.
  *              Integers are encoded in network order.
  *
  * \param none
  *
  * \return      unsigned int
  */
 uint32_t receive_uint32()
 {
     uint32_t value;
     value =  (uint8_t)greentea_getc() << 24;
     value |= (uint8_t)greentea_getc() << 16;
     value |= (uint8_t)greentea_getc() << 8;
     value |= (uint8_t)greentea_getc();
     return( (uint32_t)value );
 }

 /**
  * \brief       Parses out an unsigned 32 int value from the byte array.
  *              Integers are encoded in network order.
  *
  * \param p     Pointer to byte array
  *
  * \return      unsigned int
  */
 uint32_t parse_uint32( uint8_t * p )
 {
     uint32_t value;
     value =  *p++ << 24;
     value |= *p++ << 16;
     value |= *p++ << 8;
     value |= *p;
     return( value );
 }


 /**
  * \brief       Receives test data on serial as greentea key,value pair:
  *              {{<length>;<byte array>}}
  *
  * \param data_len  Out pointer to hold received data length.
  *
  * \return      Byte array.
  */
 uint8_t * receive_data( uint32_t * data_len )
 {
     uint32_t i = 0, errors = 0;
     char c;
     uint8_t * data = NULL;

     /* Read opening braces */
     i = 0;
     while ( i < 2 )
     {
         c = greentea_getc();
         /* Ignore any prevous CR LF characters */
         if ( c == '\n' || c == '\r' )
             continue;
         i++;
         if ( c != '{' )
             return( NULL );
     }

     /* Read data length */
     *data_len = receive_uint32();
     data = (uint8_t *)malloc( *data_len );
     assert( data != NULL );

     greentea_getc(); // read ';' received after key i.e. *data_len

     for( i = 0; i < *data_len; i++ )
         data[i] = greentea_getc();

     /* Read closing braces */
     for( i = 0; i < 2; i++ )
     {
         c = greentea_getc();
         if ( c != '}' )
         {
             errors++;
             break;
         }
     }

     if ( errors )
     {
         free( data );
         data = NULL;
         *data_len = 0;
     }

     return( data );
 }

 /**
  * \brief       Parse the received byte array and count the number of arguments
  *              to the test function passed as type hex.
  *
  * \param count     Parameter count
  * \param data      Received Byte array
  * \param data_len  Byte array length
  *
  * \return      count of hex params
  */
 uint32_t find_hex_count( uint8_t count, uint8_t * data, uint32_t data_len )
 {
     uint32_t i = 0, sz = 0;
     char c;
     uint8_t * p = NULL;
     uint32_t hex_count = 0;

     p = data;

     for( i = 0; i < count; i++ )
     {
         c = (char)*p;
         INCR_ASSERT( p, data, data_len, 1 );

         /* Align p to 4 bytes for int, expression, string len or hex length */
         ALIGN_32BIT( p, data, data_len );

         /* Network to host conversion */
         sz = (int32_t)parse_uint32( p );

         INCR_ASSERT( p, data, data_len, sizeof( int32_t ) );

         if ( c == 'H' || c == 'S' )
         {
             INCR_ASSERT( p, data, data_len, sz );
             hex_count += ( c == 'H' )?1:0;
         }
     }

     return( hex_count );
 }

 /**
  * \brief       Parses received byte array for test parameters.
  *
  * \param count     Parameter count
  * \param data      Received Byte array
  * \param data_len  Byte array length
  * \param error     Parsing error out variable.
  *
  * \return      Array of parsed parameters allocated on heap.
  *              Note: Caller has the responsibility to delete
  *                    the memory after use.
  */
 void ** parse_parameters( uint8_t count, uint8_t * data, uint32_t data_len,
                             int * error )
 {
     uint32_t i = 0, hex_count = 0;
     char c;
     void ** params = NULL;
     void ** cur = NULL;
     uint8_t * p = NULL;

     hex_count = find_hex_count(count, data, data_len);

     params = (void **)malloc( sizeof( void *) * ( count + hex_count ) );
     assert( params != NULL );
     cur = params;

     p = data;

     /* Parameters */
     for( i = 0; i < count; i++ )
     {
         c = (char)*p;
         INCR_ASSERT( p, data, data_len, 1 );

         /* Align p to 4 bytes for int, expression, string len or hex length */
         ALIGN_32BIT( p, data, data_len );

         /* Network to host conversion */
         *( (int32_t *)p ) = (int32_t)parse_uint32( p );

         switch( c )
         {
             case 'E':
                 {
                     if ( get_expression( *( (int32_t *)p ), (int32_t *)p ) )
                     {
                         *error = KEY_VALUE_MAPPING_NOT_FOUND;
                         goto exit;
                     }
                 } /* Intentional fall through */
             case 'I':
                 {
                     *cur++ = (void *)p;
                     INCR_ASSERT( p, data, data_len, sizeof( int32_t ) );
                 }
                 break;
             case 'H': /* Intentional fall through */
             case 'S':
                 {
                     uint32_t * sz = (uint32_t *)p;
                     INCR_ASSERT( p, data, data_len, sizeof( int32_t ) );
                     *cur++ = (void *)p;
                     if ( c == 'H' )
                         *cur++ = (void *)sz;
                     INCR_ASSERT( p, data, data_len, ( *sz ) );
                 }
                 break;
             default:
                     {
                         *error = DISPATCH_INVALID_TEST_DATA;
                         goto exit;
                     }
                 break;
         }
     }

 exit:
     if ( *error )
     {
         free( params );
         params = NULL;
     }

     return( params );
 }

 /**
  * \brief       Sends greentea key and int value pair to host.
  *
  * \param key   key string
  * \param value integer value
  *
  * \return      void
  */
 void send_key_integer( char * key, int value )
 {
     char str[50];
     snprintf( str, sizeof( str ), "%d", value );
     greentea_send_kv( key, str );
 }

 /**
  * \brief       Sends test setup failure to the host.
  *
  * \param failure   Test set failure
  *
  * \return      void
  */
 void send_failure( int failure )
 {
     send_key_integer( "F", failure );
 }

 /**
  * \brief       Sends test status to the host.
  *
  * \param status    Test status (PASS=0/FAIL=!0)
  *
  * \return      void
  */
 void send_status( int status )
 {
     send_key_integer( "R", status );
 }


 /**
  * \brief       Embedded implementation of execute_tests().
  *              Ignores command line and received test data
  *              on serial.
  *
  * \param argc  not used
  * \param argv  not used
  *
  * \return      Program exit status.
  */
 int execute_tests( int args, const char ** argv )
 {
     int ret = 0;
     uint32_t data_len = 0;
     uint8_t count = 0, function_id;
     void ** params = NULL;
     uint8_t * data = NULL, * p = NULL;

     GREENTEA_SETUP( 180, "mbedtls_test" );
     greentea_send_kv( "GO", " " );

     while ( 1 )
     {
         ret = 0;
         test_info.failed = 0;
         data_len = 0;

         data = receive_data( &data_len );
         if ( data == NULL )
             continue;
         p = data;

         do
         {
             /* Read dependency count */
             count = *p;
             assert( count < data_len );
             INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) );
             ret = verify_dependencies( count, p );
             if ( ret != DEPENDENCY_SUPPORTED )
                 break;

             if ( count )
                 INCR_ASSERT( p, data, data_len, count );

             /* Read function id */
             function_id = *p;
             INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) );
             if ( ( ret = check_test( function_id ) ) != DISPATCH_TEST_SUCCESS )
                 break;

             /* Read number of parameters */
             count = *p;
             INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) );

             /* Parse parameters if present */
             if ( count )
             {
                 params = parse_parameters( count, p, data_len - ( p - data ), &ret );
                 if ( ret )
                     break;
             }

             ret = dispatch_test( function_id, params );
         }
         while ( 0 );

         if ( data )
         {
             free(data);
             data = NULL;
         }

         if ( params )
         {
             free( params );
             params = NULL;
         }

         if ( ret )
             send_failure( ret );
         else
             send_status( test_info.failed );
     }
     return( 0 );
 }
	#line 2 "suites/target_test.function"

	#include "greentea-client/test_env.h"

	/**
	* \brief Increments pointer and asserts that it does not overflow.
	*
	* \param p Pointer to byte array
	* \param start Pointer to start of byte array
	* \param len Length of byte array
	* \param step Increment size
	*
	*/
	#define INCR_ASSERT(p, start, len, step) do \
	{ \
	assert( ( p ) >= ( start ) ); \
	assert( sizeof( ( p ) ) == sizeof( ( start ) ) ); \
	/* <= is checked to support use inside a loop where \
	pointer is incremented after reading data. */ \
	assert( (uint32_t)( ( ( p ) - ( start ) ) + ( step ) ) <= ( len ) );\
	( p ) += ( step ); \
	} \
	while( 0 )


	/**
	* \brief 4 byte align unsigned char pointer
	*
	* \param p Pointer to byte array
	* \param start Pointer to start of byte array
	* \param len Length of byte array
	*
	*/
	#define ALIGN_32BIT(p, start, len) do \
	{ \
	uint32_t align = ( - (uintptr_t)( p ) ) % 4;\
	INCR_ASSERT( ( p ), ( start ), ( len ), align);\
	} \
	while( 0 )


	/**
	* \brief Verify dependencies. Dependency identifiers are
	* encoded in the buffer as 8 bit unsigned integers.
	*
	* \param count Number of dependencies.
	* \param dep_p Pointer to buffer.
	*
	* \return DEPENDENCY_SUPPORTED if success else DEPENDENCY_NOT_SUPPORTED.
	*/
	int verify_dependencies( uint8_t count, uint8_t * dep_p )
	{
	uint8_t i;
	for ( i = 0; i < count; i++ )
	{
	if ( dep_check( (int)(dep_p[i]) ) != DEPENDENCY_SUPPORTED )
	return( DEPENDENCY_NOT_SUPPORTED );
	}
	return( DEPENDENCY_SUPPORTED );
	}


	/**
	* \brief Receives unsigned integer on serial interface.
	* Integers are encoded in network order.
	*
	* \param none
	*
	* \return unsigned int
	*/
	uint32_t receive_uint32()
	{
	uint32_t value;
	value = (uint8_t)greentea_getc() << 24;
	value \|= (uint8_t)greentea_getc() << 16;
	value \|= (uint8_t)greentea_getc() << 8;
	value \|= (uint8_t)greentea_getc();
	return( (uint32_t)value );
	}

	/**
	* \brief Parses out an unsigned 32 int value from the byte array.
	* Integers are encoded in network order.
	*
	* \param p Pointer to byte array
	*
	* \return unsigned int
	*/
	uint32_t parse_uint32( uint8_t * p )
	{
	uint32_t value;
	value = *p++ << 24;
	value \|= *p++ << 16;
	value \|= *p++ << 8;
	value \|= *p;
	return( value );
	}


	/**
	* \brief Receives test data on serial as greentea key,value pair:
	* {{<length>;<byte array>}}
	*
	* \param data_len Out pointer to hold received data length.
	*
	* \return Byte array.
	*/
	uint8_t * receive_data( uint32_t * data_len )
	{
	uint32_t i = 0, errors = 0;
	char c;
	uint8_t * data = NULL;

	/* Read opening braces */
	i = 0;
	while ( i < 2 )
	{
	c = greentea_getc();
	/* Ignore any prevous CR LF characters */
	if ( c == '\n' \|\| c == '\r' )
	continue;
	i++;
	if ( c != '{' )
	return( NULL );
	}

	/* Read data length */
	*data_len = receive_uint32();
	data = (uint8_t )malloc( data_len );
	assert( data != NULL );

	greentea_getc(); // read ';' received after key i.e. *data_len

	for( i = 0; i < *data_len; i++ )
	data[i] = greentea_getc();

	/* Read closing braces */
	for( i = 0; i < 2; i++ )
	{
	c = greentea_getc();
	if ( c != '}' )
	{
	errors++;
	break;
	}
	}

	if ( errors )
	{
	free( data );
	data = NULL;
	*data_len = 0;
	}

	return( data );
	}

	/**
	* \brief Parse the received byte array and count the number of arguments
	* to the test function passed as type hex.
	*
	* \param count Parameter count
	* \param data Received Byte array
	* \param data_len Byte array length
	*
	* \return count of hex params
	*/
	uint32_t find_hex_count( uint8_t count, uint8_t * data, uint32_t data_len )
	{
	uint32_t i = 0, sz = 0;
	char c;
	uint8_t * p = NULL;
	uint32_t hex_count = 0;

	p = data;

	for( i = 0; i < count; i++ )
	{
	c = (char)*p;
	INCR_ASSERT( p, data, data_len, 1 );

	/* Align p to 4 bytes for int, expression, string len or hex length */
	ALIGN_32BIT( p, data, data_len );

	/* Network to host conversion */
	sz = (int32_t)parse_uint32( p );

	INCR_ASSERT( p, data, data_len, sizeof( int32_t ) );

	if ( c == 'H' \|\| c == 'S' )
	{
	INCR_ASSERT( p, data, data_len, sz );
	hex_count += ( c == 'H' )?1:0;
	}
	}

	return( hex_count );
	}

	/**
	* \brief Parses received byte array for test parameters.
	*
	* \param count Parameter count
	* \param data Received Byte array
	* \param data_len Byte array length
	* \param error Parsing error out variable.
	*
	* \return Array of parsed parameters allocated on heap.
	* Note: Caller has the responsibility to delete
	* the memory after use.
	*/
	void ** parse_parameters( uint8_t count, uint8_t * data, uint32_t data_len,
	int * error )
	{
	uint32_t i = 0, hex_count = 0;
	char c;
	void ** params = NULL;
	void ** cur = NULL;
	uint8_t * p = NULL;

	hex_count = find_hex_count(count, data, data_len);

	params = (void *)malloc( sizeof( void ) * ( count + hex_count ) );
	assert( params != NULL );
	cur = params;

	p = data;

	/* Parameters */
	for( i = 0; i < count; i++ )
	{
	c = (char)*p;
	INCR_ASSERT( p, data, data_len, 1 );

	/* Align p to 4 bytes for int, expression, string len or hex length */
	ALIGN_32BIT( p, data, data_len );

	/* Network to host conversion */
	( (int32_t )p ) = (int32_t)parse_uint32( p );

	switch( c )
	{
	case 'E':
	{
	if ( get_expression( ( (int32_t )p ), (int32_t *)p ) )
	{
	*error = KEY_VALUE_MAPPING_NOT_FOUND;
	goto exit;
	}
	} /* Intentional fall through */
	case 'I':
	{
	cur++ = (void )p;
	INCR_ASSERT( p, data, data_len, sizeof( int32_t ) );
	}
	break;
	case 'H': /* Intentional fall through */
	case 'S':
	{
	uint32_t * sz = (uint32_t *)p;
	INCR_ASSERT( p, data, data_len, sizeof( int32_t ) );
	cur++ = (void )p;
	if ( c == 'H' )
	cur++ = (void )sz;
	INCR_ASSERT( p, data, data_len, ( *sz ) );
	}
	break;
	default:
	{
	*error = DISPATCH_INVALID_TEST_DATA;
	goto exit;
	}
	break;
	}
	}

	exit:
	if ( *error )
	{
	free( params );
	params = NULL;
	}

	return( params );
	}

	/**
	* \brief Sends greentea key and int value pair to host.
	*
	* \param key key string
	* \param value integer value
	*
	* \return void
	*/
	void send_key_integer( char * key, int value )
	{
	char str[50];
	snprintf( str, sizeof( str ), "%d", value );
	greentea_send_kv( key, str );
	}

	/**
	* \brief Sends test setup failure to the host.
	*
	* \param failure Test set failure
	*
	* \return void
	*/
	void send_failure( int failure )
	{
	send_key_integer( "F", failure );
	}

	/**
	* \brief Sends test status to the host.
	*
	* \param status Test status (PASS=0/FAIL=!0)
	*
	* \return void
	*/
	void send_status( int status )
	{
	send_key_integer( "R", status );
	}


	/**
	* \brief Embedded implementation of execute_tests().
	* Ignores command line and received test data
	* on serial.
	*
	* \param argc not used
	* \param argv not used
	*
	* \return Program exit status.
	*/
	int execute_tests( int args, const char ** argv )
	{
	int ret = 0;
	uint32_t data_len = 0;
	uint8_t count = 0, function_id;
	void ** params = NULL;
	uint8_t * data = NULL, * p = NULL;

	GREENTEA_SETUP( 180, "mbedtls_test" );
	greentea_send_kv( "GO", " " );

	while ( 1 )
	{
	ret = 0;
	test_info.failed = 0;
	data_len = 0;

	data = receive_data( &data_len );
	if ( data == NULL )
	continue;
	p = data;

	do
	{
	/* Read dependency count */
	count = *p;
	assert( count < data_len );
	INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) );
	ret = verify_dependencies( count, p );
	if ( ret != DEPENDENCY_SUPPORTED )
	break;

	if ( count )
	INCR_ASSERT( p, data, data_len, count );

	/* Read function id */
	function_id = *p;
	INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) );
	if ( ( ret = check_test( function_id ) ) != DISPATCH_TEST_SUCCESS )
	break;

	/* Read number of parameters */
	count = *p;
	INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) );

	/* Parse parameters if present */
	if ( count )
	{
	params = parse_parameters( count, p, data_len - ( p - data ), &ret );
	if ( ret )
	break;
	}

	ret = dispatch_test( function_id, params );
	}
	while ( 0 );

	if ( data )
	{
	free(data);
	data = NULL;
	}

	if ( params )
	{
	free( params );
	params = NULL;
	}

	if ( ret )
	send_failure( ret );
	else
	send_status( test_info.failed );
	}
	return( 0 );
	}