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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2023-01-11 14:52:35 +01:00
parent 480f683d15
commit 1b6c09a62e
391 changed files with 73134 additions and 75084 deletions
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50
library/platform_util.c
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@@ -62,14 +62,15 @@
* mbedtls_platform_zeroize() to use a suitable implementation for their
* platform and needs.
*/
static void * (* const volatile memset_func)( void *, int, size_t ) = memset;
static void *(*const volatile memset_func)(void *, int, size_t) = memset;
void mbedtls_platform_zeroize( void *buf, size_t len )
void mbedtls_platform_zeroize(void *buf, size_t len)
{
MBEDTLS_INTERNAL_VALIDATE( len == 0 || buf != NULL );
MBEDTLS_INTERNAL_VALIDATE(len == 0 || buf != NULL);
if( len > 0 )
memset_func( buf, 0, len );
if (len > 0) {
memset_func(buf, 0, len);
}
}
#endif /* MBEDTLS_PLATFORM_ZEROIZE_ALT */
@@ -82,9 +83,9 @@ void mbedtls_platform_zeroize( void *buf, size_t len )
#endif /* !_WIN32 && (unix || __unix || __unix__ ||
* (__APPLE__ && __MACH__)) */
#if !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) || \
( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) && \
_POSIX_THREAD_SAFE_FUNCTIONS >= 200112L ) )
#if !((defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L) || \
(defined(_POSIX_THREAD_SAFE_FUNCTIONS) && \
_POSIX_THREAD_SAFE_FUNCTIONS >= 200112L))
/*
* This is a convenience shorthand macro to avoid checking the long
* preprocessor conditions above. Ideally, we could expose this macro in
@@ -92,42 +93,43 @@ void mbedtls_platform_zeroize( void *buf, size_t len )
* threading.h. However, this macro is not part of the Mbed TLS public API, so
* we keep it private by only defining it in this file
*/
#if ! ( defined(_WIN32) && !defined(EFIX64) && !defined(EFI32) )
#if !(defined(_WIN32) && !defined(EFIX64) && !defined(EFI32))
#define PLATFORM_UTIL_USE_GMTIME
#endif /* ! ( defined(_WIN32) && !defined(EFIX64) && !defined(EFI32) ) */
#endif /* !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) || \
( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) && \
#endif /* !( ( defined(_POSIX_VERSION) && _POSIX_VERSION >= 200809L ) || \
( defined(_POSIX_THREAD_SAFE_FUNCTIONS ) && \
_POSIX_THREAD_SAFE_FUNCTIONS >= 200112L ) ) */
struct tm *mbedtls_platform_gmtime_r( const mbedtls_time_t *tt,
struct tm *tm_buf )
struct tm *mbedtls_platform_gmtime_r(const mbedtls_time_t *tt,
struct tm *tm_buf)
{
#if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
return( ( gmtime_s( tm_buf, tt ) == 0 ) ? tm_buf : NULL );
return (gmtime_s(tm_buf, tt) == 0) ? tm_buf : NULL;
#elif !defined(PLATFORM_UTIL_USE_GMTIME)
return( gmtime_r( tt, tm_buf ) );
return gmtime_r(tt, tm_buf);
#else
struct tm *lt;
#if defined(MBEDTLS_THREADING_C)
if( mbedtls_mutex_lock( &mbedtls_threading_gmtime_mutex ) != 0 )
return( NULL );
if (mbedtls_mutex_lock(&mbedtls_threading_gmtime_mutex) != 0) {
return NULL;
}
#endif /* MBEDTLS_THREADING_C */
lt = gmtime( tt );
lt = gmtime(tt);
if( lt != NULL )
{
memcpy( tm_buf, lt, sizeof( struct tm ) );
if (lt != NULL) {
memcpy(tm_buf, lt, sizeof(struct tm));
}
#if defined(MBEDTLS_THREADING_C)
if( mbedtls_mutex_unlock( &mbedtls_threading_gmtime_mutex ) != 0 )
return( NULL );
if (mbedtls_mutex_unlock(&mbedtls_threading_gmtime_mutex) != 0) {
return NULL;
}
#endif /* MBEDTLS_THREADING_C */
return( ( lt == NULL ) ? NULL : tm_buf );
return (lt == NULL) ? NULL : tm_buf;
#endif /* _WIN32 && !EFIX64 && !EFI32 */
}
#endif /* MBEDTLS_HAVE_TIME_DATE && MBEDTLS_PLATFORM_GMTIME_R_ALT */