441 lines
11 KiB
Plaintext
Executable File
441 lines
11 KiB
Plaintext
Executable File
#line 2 "suites/target_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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TEST_HELPER_ASSERT( ( p ) >= ( start ) ); \
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TEST_HELPER_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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TEST_HELPER_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 hex string on serial interface, and converts to a byte.
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*
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* \param none
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*
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* \return unsigned int8
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*/
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uint8_t receive_byte()
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{
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uint8_t byte;
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uint8_t c[3];
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char *endptr;
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c[0] = greentea_getc();
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c[1] = greentea_getc();
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c[2] = '\0';
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TEST_HELPER_ASSERT( mbedtls_test_unhexify( &byte, c ) != 2 );
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return( byte );
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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, and sent as hex ascii string.
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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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const uint8_t c_be[8] = { greentea_getc(),
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greentea_getc(),
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greentea_getc(),
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greentea_getc(),
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greentea_getc(),
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greentea_getc(),
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greentea_getc(),
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greentea_getc()
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};
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const uint8_t c[9] = { c_be[6], c_be[7], c_be[4], c_be[5], c_be[2],
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c_be[3], c_be[0], c_be[1], '\0' };
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TEST_HELPER_ASSERT( mbedtls_test_unhexify( (uint8_t*)&value, c ) != 8 );
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return( 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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TEST_HELPER_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] = receive_byte();
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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 Parse the received byte array and count the number of arguments
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* to the test function passed as type hex.
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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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TEST_HELPER_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( 800, "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.result = TEST_RESULT_SUCCESS;
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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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TEST_HELPER_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.result );
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}
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return( 0 );
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}
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