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Merge pull request #3164 from ronald-cron-arm/unmet-dependencies-buffer-overflow-fix-2.16

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[backport 2.16] Unmet dependencies buffer overflow fix
This commit is contained in:
Gilles Peskine 2020-04-17 10:08:24 +02:00 committed by GitHub
commit a8bc32872a
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2 changed files with 56 additions and 8 deletions
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34
tests/suites/helpers.function
View File

@ -229,6 +229,40 @@ typedef enum
mbedtls_exit( 1 ); \
}
#if defined(__GNUC__)
/* Test if arg and &(arg)[0] have the same type. This is true if arg is
* an array but not if it's a pointer. */
#define IS_ARRAY_NOT_POINTER( arg ) \
( ! __builtin_types_compatible_p( __typeof__( arg ), \
__typeof__( &( arg )[0] ) ) )
#else
/* On platforms where we don't know how to implement this check,
* omit it. Oh well, a non-portable check is better than nothing. */
#define IS_ARRAY_NOT_POINTER( arg ) 1
#endif
/* A compile-time constant with the value 0. If `const_expr` is not a
* compile-time constant with a nonzero value, cause a compile-time error. */
#define STATIC_ASSERT_EXPR( const_expr ) \
( 0 && sizeof( struct { int STATIC_ASSERT : 1 - 2 * ! ( const_expr ); } ) )
/* Return the scalar value `value` (possibly promoted). This is a compile-time
* constant if `value` is. `condition` must be a compile-time constant.
* If `condition` is false, arrange to cause a compile-time error. */
#define STATIC_ASSERT_THEN_RETURN( condition, value ) \
( STATIC_ASSERT_EXPR( condition ) ? 0 : ( value ) )
#define ARRAY_LENGTH_UNSAFE( array ) \
( sizeof( array ) / sizeof( *( array ) ) )
/** Return the number of elements of a static or stack array.
*
* \param array A value of array (not pointer) type.
*
* \return The number of elements of the array.
*/
#define ARRAY_LENGTH( array ) \
( STATIC_ASSERT_THEN_RETURN( IS_ARRAY_NOT_POINTER( array ), \
ARRAY_LENGTH_UNSAFE( array ) ) )
/*
* 32-bit integer manipulation macros (big endian)
*/

24
tests/suites/host_test.function
View File

@ -385,15 +385,16 @@ int execute_tests( int argc , const char ** argv )
const char *default_filename = "DATA_FILE";
const char *test_filename = NULL;
const char **test_files = NULL;
int testfile_count = 0;
size_t testfile_count = 0;
int option_verbose = 0;
int function_id = 0;
/* Other Local variables */
int arg_index = 1;
const char *next_arg;
int testfile_index, ret, i, cnt;
int total_errors = 0, total_tests = 0, total_skipped = 0;
size_t testfile_index, i, cnt;
int ret;
unsigned total_errors = 0, total_tests = 0, total_skipped = 0;
FILE *file;
char buf[5000];
char *params[50];
@ -473,8 +474,9 @@ int execute_tests( int argc , const char ** argv )
testfile_index < testfile_count;
testfile_index++ )
{
int unmet_dep_count = 0;
size_t unmet_dep_count = 0;
int unmet_dependencies[20];
int missing_unmet_dependencies = 0;
test_filename = test_files[ testfile_index ];
@ -495,6 +497,7 @@ int execute_tests( int argc , const char ** argv )
mbedtls_exit( MBEDTLS_EXIT_FAILURE );
}
unmet_dep_count = 0;
missing_unmet_dependencies = 0;
if( ( ret = get_line( file, buf, sizeof(buf) ) ) != 0 )
break;
@ -519,10 +522,18 @@ int execute_tests( int argc , const char ** argv )
{
int dep_id = strtol( params[i], NULL, 10 );
if( dep_check( dep_id ) != DEPENDENCY_SUPPORTED )
{
if( unmet_dep_count <
ARRAY_LENGTH( unmet_dependencies ) )
{
unmet_dependencies[unmet_dep_count] = dep_id;
unmet_dep_count++;
}
else
{
missing_unmet_dependencies = 1;
}
}
}
if( ( ret = get_line( file, buf, sizeof( buf ) ) ) != 0 )
@ -590,11 +601,14 @@ int execute_tests( int argc , const char ** argv )
mbedtls_fprintf( stdout, "%d ",
unmet_dependencies[i] );
}
if( missing_unmet_dependencies )
mbedtls_fprintf( stdout, "..." );
}
mbedtls_fprintf( stdout, "\n" );
fflush( stdout );
unmet_dep_count = 0;
missing_unmet_dependencies = 0;
}
else if( ret == DISPATCH_TEST_SUCCESS )
{
@ -641,7 +655,7 @@ int execute_tests( int argc , const char ** argv )
else
mbedtls_fprintf( stdout, "FAILED" );
mbedtls_fprintf( stdout, " (%d / %d tests (%d skipped))\n",
mbedtls_fprintf( stdout, " (%u / %u tests (%u skipped))\n",
total_tests - total_errors, total_tests, total_skipped );
#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && \