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Use gmtime_r to fix thread-safety issue, and use mbedtls_time on Windows

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This commit is contained in:
Nicholas Wilson
2017-12-05 12:07:33 +00:00
parent 8266acacc8
commit 512b4ee9c7
4 changed files with 14 additions and 47 deletions
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42
library/x509.c
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@ -59,14 +59,10 @@
#define mbedtls_snprintf snprintf
#endif
#if defined(MBEDTLS_HAVE_TIME)
#include "mbedtls/platform_time.h"
#endif
#if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
#include <windows.h>
#else
#if defined(MBEDTLS_HAVE_TIME_DATE)
#include <time.h>
#endif
@ -903,36 +899,18 @@ int mbedtls_x509_key_size_helper( char *buf, size_t buf_size, const char *name )
* Set the time structure to the current time.
* Return 0 on success, non-zero on failure.
*/
#if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
static int x509_get_current_time( mbedtls_x509_time *now )
{
SYSTEMTIME st;
GetSystemTime( &st );
now->year = st.wYear;
now->mon = st.wMonth;
now->day = st.wDay;
now->hour = st.wHour;
now->min = st.wMinute;
now->sec = st.wSecond;
return( 0 );
}
#else
static int x509_get_current_time( mbedtls_x509_time *now )
{
struct tm *lt;
struct tm *lt, tm_buf;
mbedtls_time_t tt;
int ret = 0;
#if defined(MBEDTLS_THREADING_C)
if( mbedtls_mutex_lock( &mbedtls_threading_gmtime_mutex ) != 0 )
return( MBEDTLS_ERR_THREADING_MUTEX_ERROR );
#endif
tt = mbedtls_time( NULL );
lt = gmtime( &tt );
#if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
lt = gmtime_s( &tm_buf, &tt ) == 0 ? &tm_buf : NULL;
#else
lt = gmtime_r( &tt, &tm_buf );
#endif
if( lt == NULL )
ret = -1;
@ -946,14 +924,8 @@ static int x509_get_current_time( mbedtls_x509_time *now )
now->sec = lt->tm_sec;
}
#if defined(MBEDTLS_THREADING_C)
if( mbedtls_mutex_unlock( &mbedtls_threading_gmtime_mutex ) != 0 )
return( MBEDTLS_ERR_THREADING_MUTEX_ERROR );
#endif
return( ret );
}
#endif /* _WIN32 && !EFIX64 && !EFI32 */
/*
* Return 0 if before <= after, 1 otherwise