mbedtls/tests/suites/test_suite_debug.function

/* BEGIN_HEADER */
#include "mbedtls/debug.h"
#include "string.h"
#include "mbedtls/legacy_or_psa.h"

struct buffer_data
{
    char buf[2000];
    char *ptr;
};

void string_debug(void *data, int level, const char *file, int line, const char *str)
{
    struct buffer_data *buffer = (struct buffer_data *) data;
    char *p = buffer->ptr;
    ((void) level);

    memcpy( p, file, strlen( file ) );
    p += strlen( file );

    *p++ = '(';
    *p++ = '0' + ( line / 1000 ) % 10;
    *p++ = '0' + ( line / 100  ) % 10;
    *p++ = '0' + ( line / 10   ) % 10;
    *p++ = '0' + ( line / 1    ) % 10;
    *p++ = ')';
    *p++ = ':';
    *p++ = ' ';

#if defined(MBEDTLS_THREADING_C)
    /* Skip "thread ID" (up to the first space) as it is not predictable */
    while( *str++ != ' ' );
#endif

    memcpy( p, str, strlen( str ) );
    p += strlen( str );

    /* Detect if debug messages output partial lines and mark them */
    if( p[-1] != '\n' )
        *p++ = '*';

    buffer->ptr = p;
}
/* END_HEADER */

/* BEGIN_DEPENDENCIES
 * depends_on:MBEDTLS_DEBUG_C:MBEDTLS_SSL_TLS_C
 * END_DEPENDENCIES
 */

/* BEGIN_CASE */
void debug_print_msg_threshold( int threshold, int level, char * file,
                                int line, char * result_str )
{
    mbedtls_ssl_context ssl;
    mbedtls_ssl_config conf;
    struct buffer_data buffer;

    mbedtls_ssl_init( &ssl );
    mbedtls_ssl_config_init( &conf );
    memset( buffer.buf, 0, 2000 );
    buffer.ptr = buffer.buf;

    mbedtls_ssl_config_defaults( &conf,
                                 MBEDTLS_SSL_IS_CLIENT,
                                 MBEDTLS_SSL_TRANSPORT_STREAM,
                                 MBEDTLS_SSL_PRESET_DEFAULT );

    mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);

    TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );

    mbedtls_debug_set_threshold( threshold );

    mbedtls_debug_print_msg( &ssl, level, file, line,
                             "Text message, 2 == %d", 2 );

    TEST_ASSERT( strcmp( buffer.buf, result_str ) == 0 );

exit:
    mbedtls_ssl_free( &ssl );
    mbedtls_ssl_config_free( &conf );
}
/* END_CASE */

/* BEGIN_CASE */
void mbedtls_debug_print_ret( char * file, int line, char * text, int value,
                              char * result_str )
{
    mbedtls_ssl_context ssl;
    mbedtls_ssl_config conf;
    struct buffer_data buffer;

    mbedtls_ssl_init( &ssl );
    mbedtls_ssl_config_init( &conf );
    memset( buffer.buf, 0, 2000 );
    buffer.ptr = buffer.buf;

    mbedtls_ssl_config_defaults( &conf,
                                 MBEDTLS_SSL_IS_CLIENT,
                                 MBEDTLS_SSL_TRANSPORT_STREAM,
                                 MBEDTLS_SSL_PRESET_DEFAULT );

    mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);

    TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );

    mbedtls_debug_print_ret( &ssl, 0, file, line, text, value);

    TEST_ASSERT( strcmp( buffer.buf, result_str ) == 0 );

exit:
    mbedtls_ssl_free( &ssl );
    mbedtls_ssl_config_free( &conf );
}
/* END_CASE */

/* BEGIN_CASE */
void mbedtls_debug_print_buf( char * file, int line, char * text,
                              data_t * data, char * result_str )
{
    mbedtls_ssl_context ssl;
    mbedtls_ssl_config conf;
    struct buffer_data buffer;

    mbedtls_ssl_init( &ssl );
    mbedtls_ssl_config_init( &conf );
    memset( buffer.buf, 0, 2000 );
    buffer.ptr = buffer.buf;

    mbedtls_ssl_config_defaults( &conf,
                                 MBEDTLS_SSL_IS_CLIENT,
                                 MBEDTLS_SSL_TRANSPORT_STREAM,
                                 MBEDTLS_SSL_PRESET_DEFAULT );

    mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);

    TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );

    mbedtls_debug_print_buf( &ssl, 0, file, line, text, data->x, data->len );

    TEST_ASSERT( strcmp( buffer.buf, result_str ) == 0 );

exit:
    mbedtls_ssl_free( &ssl );
    mbedtls_ssl_config_free( &conf );
}
/* END_CASE */

/* BEGIN_CASE depends_on:MBEDTLS_FS_IO:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_X509_REMOVE_INFO */
void mbedtls_debug_print_crt( char * crt_file, char * file, int line,
                              char * prefix, char * result_str )
{
    mbedtls_x509_crt   crt;
    mbedtls_ssl_context ssl;
    mbedtls_ssl_config conf;
    struct buffer_data buffer;

    mbedtls_ssl_init( &ssl );
    mbedtls_ssl_config_init( &conf );
    mbedtls_x509_crt_init( &crt );
    memset( buffer.buf, 0, 2000 );
    buffer.ptr = buffer.buf;

    mbedtls_ssl_config_defaults( &conf,
                                 MBEDTLS_SSL_IS_CLIENT,
                                 MBEDTLS_SSL_TRANSPORT_STREAM,
                                 MBEDTLS_SSL_PRESET_DEFAULT );

    mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);

    TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );

    TEST_ASSERT( mbedtls_x509_crt_parse_file( &crt, crt_file ) == 0 );
    mbedtls_debug_print_crt( &ssl, 0, file, line, prefix, &crt);

    TEST_ASSERT( strcmp( buffer.buf, result_str ) == 0 );

exit:
    mbedtls_x509_crt_free( &crt );
    mbedtls_ssl_free( &ssl );
    mbedtls_ssl_config_free( &conf );
}
/* END_CASE */

/* BEGIN_CASE depends_on:MBEDTLS_BIGNUM_C */
void mbedtls_debug_print_mpi( char * value, char * file, int line,
                              char * prefix, char * result_str )
{
    mbedtls_ssl_context ssl;
    mbedtls_ssl_config conf;
    struct buffer_data buffer;
    mbedtls_mpi val;

    mbedtls_ssl_init( &ssl );
    mbedtls_ssl_config_init( &conf );
    mbedtls_mpi_init( &val );
    memset( buffer.buf, 0, 2000 );
    buffer.ptr = buffer.buf;

    mbedtls_ssl_config_defaults( &conf,
                                 MBEDTLS_SSL_IS_CLIENT,
                                 MBEDTLS_SSL_TRANSPORT_STREAM,
                                 MBEDTLS_SSL_PRESET_DEFAULT );

    mbedtls_ssl_conf_dbg( &conf, string_debug, &buffer);

    TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 );

    TEST_ASSERT( mbedtls_test_read_mpi( &val, value ) == 0 );

    mbedtls_debug_print_mpi( &ssl, 0, file, line, prefix, &val);

    TEST_ASSERT( strcmp( buffer.buf, result_str ) == 0 );

exit:
    mbedtls_mpi_free( &val );
    mbedtls_ssl_free( &ssl );
    mbedtls_ssl_config_free( &conf );
}
/* END_CASE */