tests/suites/helpers.function

#line 2 "suites/helpers.function"
/*----------------------------------------------------------------------------*/
/* Headers */

#include <test/helpers.h>
#include <test/macros.h>
#include <test/random.h>
#include <test/bignum_helpers.h>
#include <test/psa_crypto_helpers.h>

#include <stdlib.h>

#if defined (MBEDTLS_ERROR_C)
#include "mbedtls/error.h"
#endif
#include "mbedtls/platform.h"

#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
#include "mbedtls/memory_buffer_alloc.h"
#endif

#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT8 uint8_t;
typedef INT32 int32_t;
typedef UINT32 uint32_t;
#define strncasecmp _strnicmp
#define strcasecmp _stricmp
#else
#include <stdint.h>
#endif

#include <string.h>

#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__MINGW32__)
#include <strings.h>
#endif

#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#include <unistd.h>
#endif

/*----------------------------------------------------------------------------*/
/* Status and error constants */

#define DEPENDENCY_SUPPORTED            0   /* Dependency supported by build */
#define KEY_VALUE_MAPPING_FOUND         0   /* Integer expression found */
#define DISPATCH_TEST_SUCCESS           0   /* Test dispatch successful */

#define KEY_VALUE_MAPPING_NOT_FOUND     -1  /* Integer expression not found */
#define DEPENDENCY_NOT_SUPPORTED        -2  /* Dependency not supported */
#define DISPATCH_TEST_FN_NOT_FOUND      -3  /* Test function not found */
#define DISPATCH_INVALID_TEST_DATA      -4  /* Invalid test parameter type.
                                               Only int, string, binary data
                                               and integer expressions are
                                               allowed */
#define DISPATCH_UNSUPPORTED_SUITE      -5  /* Test suite not supported by the
                                               build */

/*----------------------------------------------------------------------------*/
/* Global variables */

/*----------------------------------------------------------------------------*/
/* Helper flags for complex dependencies */

/* Indicates whether we expect mbedtls_entropy_init
 * to initialize some strong entropy source. */
#if !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) && \
    ( !defined(MBEDTLS_NO_PLATFORM_ENTROPY) ||      \
        defined(MBEDTLS_ENTROPY_HARDWARE_ALT) ||    \
        defined(ENTROPY_NV_SEED) )
#define ENTROPY_HAVE_STRONG
#endif


/*----------------------------------------------------------------------------*/
/* Helper Functions */

#if defined(MBEDTLS_PSA_CRYPTO_C)
/** Check that no PSA Crypto key slots are in use.
 *
 * If any slots are in use, mark the current test as failed.
 *
 * \return 0 if the key store is empty, 1 otherwise.
 */
int test_fail_if_psa_leaking( int line_no, const char *filename )
{
    const char *msg = mbedtls_test_helper_is_psa_leaking( );
    if( msg == NULL )
        return 0;
    else
    {
        mbedtls_test_fail( msg, line_no, filename );
        return 1;
    }
}
#endif /* defined(MBEDTLS_PSA_CRYPTO_C) */

#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
static int redirect_output( FILE* out_stream, const char* path )
{
    int out_fd, dup_fd;
    FILE* path_stream;

    out_fd = fileno( out_stream );
    dup_fd = dup( out_fd );

    if( dup_fd == -1 )
    {
        return( -1 );
    }

    path_stream = fopen( path, "w" );
    if( path_stream == NULL )
    {
        close( dup_fd );
        return( -1 );
    }

    fflush( out_stream );
    if( dup2( fileno( path_stream ), out_fd ) == -1 )
    {
        close( dup_fd );
        fclose( path_stream );
        return( -1 );
    }

    fclose( path_stream );
    return( dup_fd );
}

static int restore_output( FILE* out_stream, int dup_fd )
{
    int out_fd = fileno( out_stream );

    fflush( out_stream );
    if( dup2( dup_fd, out_fd ) == -1 )
    {
        close( out_fd );
        close( dup_fd );
        return( -1 );
    }

    close( dup_fd );
    return( 0 );
}
#endif /* __unix__ || __APPLE__ __MACH__ */