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Merge remote-tracking branch 'upstream-crypto/development' into psa-api-beta2-merge-development

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Gilles Peskine 2019-04-18 09:48:38 +02:00
parent 2b522db26d 125a1e980e
commit a780f24cb4
1 changed files with 15 additions and 1 deletions
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16
library/psa_its_file.c
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@ -33,6 +33,10 @@
#define mbedtls_snprintf snprintf #define mbedtls_snprintf snprintf
#endif #endif
#if defined(_WIN32)
#include <windows.h>
#endif
#include "psa_crypto_its.h" #include "psa_crypto_its.h"
#include <limits.h> #include <limits.h>
@ -58,6 +62,16 @@
#define PSA_ITS_MAGIC_STRING "PSA\0ITS\0" #define PSA_ITS_MAGIC_STRING "PSA\0ITS\0"
#define PSA_ITS_MAGIC_LENGTH 8 #define PSA_ITS_MAGIC_LENGTH 8
/* As rename fails on Windows if the new filepath already exists,
* use MoveFileExA with the MOVEFILE_REPLACE_EXISTING flag instead.
* Returns 0 on success, nonzero on failure. */
#if defined(_WIN32)
#define rename_replace_existing( oldpath, newpath ) \
( ! MoveFileExA( oldpath, newpath, MOVEFILE_REPLACE_EXISTING ) )
#else
#define rename_replace_existing( oldpath, newpath ) rename( oldpath, newpath )
#endif
typedef struct typedef struct
{ {
uint8_t magic[PSA_ITS_MAGIC_LENGTH]; uint8_t magic[PSA_ITS_MAGIC_LENGTH];
@ -209,7 +223,7 @@ exit:
} }
if( status == PSA_SUCCESS ) if( status == PSA_SUCCESS )
{ {
if( rename( PSA_ITS_STORAGE_TEMP, filename ) != 0 ) if( rename_replace_existing( PSA_ITS_STORAGE_TEMP, filename ) != 0 )
status = PSA_ERROR_STORAGE_FAILURE; status = PSA_ERROR_STORAGE_FAILURE;
} }
remove( PSA_ITS_STORAGE_TEMP ); remove( PSA_ITS_STORAGE_TEMP );