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Disable guarded memory on WinRT

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This commit is contained in:
Frank Denis
2015-05-29 17:40:32 +02:00
parent 305d5e02e2
commit ada287ad56
1 changed files with 19 additions and 10 deletions
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src/libsodium/sodium/utils.c
+19 -10
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@@ -23,6 +23,15 @@
# include <unistd.h>
#endif
#ifdef _WIN32
# define WINAPI_DESKTOP
# if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
# undef WINAPI_DESKTOP
# elif defined(WINAPI_FAMILY_ONE_PARTITION) && defined(WINAPI_FAMILY_DESKTOP) && !WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY_DESKTOP)
# undef WINAPI_DESKTOP
# endif
#endif
#define CANARY_SIZE 16U
#define GARBAGE_VALUE 0xd0
@@ -32,13 +41,13 @@
#if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
# define MAP_ANON MAP_ANONYMOUS
#endif
#if defined(_WIN32) || (defined(MAP_ANON) && defined(HAVE_MMAP)) || defined(HAVE_POSIX_MEMALIGN)
#if defined(WINAPI_DESKTOP) || (defined(MAP_ANON) && defined(HAVE_MMAP)) || defined(HAVE_POSIX_MEMALIGN)
# define HAVE_ALIGNED_MALLOC
#endif
#if defined(HAVE_MPROTECT) && !(defined(PROT_NONE) && defined(PROT_READ) && defined(PROT_WRITE))
# undef HAVE_MPROTECT
#endif
#if defined(HAVE_ALIGNED_MALLOC) && (defined(_WIN32) || defined(HAVE_MPROTECT))
#if defined(HAVE_ALIGNED_MALLOC) && (defined(WINAPI_DESKTOP) || defined(HAVE_MPROTECT))
# define HAVE_PAGE_PROTECTION
#endif
@@ -184,7 +193,7 @@ _sodium_alloc_init(void)
if (page_size_ > 0L) {
page_size = (size_t) page_size_;
}
# elif defined(_WIN32)
# elif defined(WINAPI_DESKTOP)
SYSTEM_INFO si;
GetSystemInfo(&si);
page_size = (size_t) si.dwPageSize;
@@ -206,7 +215,7 @@ sodium_mlock(void * const addr, const size_t len)
#endif
#ifdef HAVE_MLOCK
return mlock(addr, len);
#elif defined(_WIN32)
#elif defined(WINAPI_DESKTOP)
return -(VirtualLock(addr, len) == 0);
#else
errno = ENOSYS;
@@ -223,7 +232,7 @@ sodium_munlock(void * const addr, const size_t len)
#endif
#ifdef HAVE_MLOCK
return munlock(addr, len);
#elif defined(_WIN32)
#elif defined(WINAPI_DESKTOP)
return -(VirtualUnlock(addr, len) == 0);
#else
errno = ENOSYS;
@@ -236,7 +245,7 @@ _mprotect_noaccess(void *ptr, size_t size)
{
#ifdef HAVE_MPROTECT
return mprotect(ptr, size, PROT_NONE);
#elif defined(_WIN32)
#elif defined(WINAPI_DESKTOP)
DWORD old;
return -(VirtualProtect(ptr, size, PAGE_NOACCESS, &old) == 0);
#else
@@ -250,7 +259,7 @@ _mprotect_readonly(void *ptr, size_t size)
{
#ifdef HAVE_MPROTECT
return mprotect(ptr, size, PROT_READ);
#elif defined(_WIN32)
#elif defined(WINAPI_DESKTOP)
DWORD old;
return -(VirtualProtect(ptr, size, PAGE_READONLY, &old) == 0);
#else
@@ -264,7 +273,7 @@ _mprotect_readwrite(void *ptr, size_t size)
{
#ifdef HAVE_MPROTECT
return mprotect(ptr, size, PROT_READ | PROT_WRITE);
#elif defined(_WIN32)
#elif defined(WINAPI_DESKTOP)
DWORD old;
return -(VirtualProtect(ptr, size, PAGE_READWRITE, &old) == 0);
#else
@@ -308,7 +317,7 @@ _alloc_aligned(const size_t size)
if (posix_memalign(&ptr, page_size, size) != 0) {
ptr = NULL; /* LCOV_EXCL_LINE */
} /* LCOV_EXCL_LINE */
# elif defined(_WIN32)
# elif defined(WINAPI_DESKTOP)
ptr = VirtualAlloc(NULL, size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
# else
# error Bug
@@ -323,7 +332,7 @@ _free_aligned(unsigned char * const ptr, const size_t size)
(void) munmap(ptr, size);
# elif defined(HAVE_POSIX_MEMALIGN)
free(ptr);
# elif defined(_WIN32)
# elif defined(WINAPI_DESKTOP)
VirtualFree(ptr, 0U, MEM_RELEASE);
# else
# error Bug