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authorAndy Polyakov <appro@openssl.org>2004-07-21 17:17:30 +0000
committerAndy Polyakov <appro@openssl.org>2004-07-21 17:17:30 +0000
commit89c53672c231586dbcde7410de4b6ce40e685c74 (patch)
tree360b19b8cb3f4111b746489e244177591d357935 /crypto/rand
parent64ba6cf222ad7c6aab234cad068309a748f4a644 (diff)
downloadopenssl-89c53672c231586dbcde7410de4b6ce40e685c74.tar.gz
Make rand_win.c UNICODE savvy.
Diffstat (limited to 'crypto/rand')
-rw-r--r--crypto/rand/rand_win.c102
1 files changed, 61 insertions, 41 deletions
diff --git a/crypto/rand/rand_win.c b/crypto/rand/rand_win.c
index 3584842224..aaea92c8fd 100644
--- a/crypto/rand/rand_win.c
+++ b/crypto/rand/rand_win.c
@@ -125,7 +125,7 @@
* http://developer.intel.com/design/security/rng/redist_license.htm
*/
#define PROV_INTEL_SEC 22
-#define INTEL_DEF_PROV TEXT("Intel Hardware Cryptographic Service Provider")
+#define INTEL_DEF_PROV L"Intel Hardware Cryptographic Service Provider"
static void readtimer(void);
static void readscreen(void);
@@ -152,7 +152,7 @@ typedef struct tagCURSORINFO
#define CURSOR_SHOWING 0x00000001
#endif /* CURSOR_SHOWING */
-typedef BOOL (WINAPI *CRYPTACQUIRECONTEXT)(HCRYPTPROV *, LPCTSTR, LPCTSTR,
+typedef BOOL (WINAPI *CRYPTACQUIRECONTEXTW)(HCRYPTPROV *, LPCWSTR, LPCWSTR,
DWORD, DWORD);
typedef BOOL (WINAPI *CRYPTGENRANDOM)(HCRYPTPROV, DWORD, BYTE *);
typedef BOOL (WINAPI *CRYPTRELEASECONTEXT)(HCRYPTPROV, DWORD);
@@ -194,7 +194,7 @@ int RAND_poll(void)
HWND h;
HMODULE advapi, kernel, user, netapi;
- CRYPTACQUIRECONTEXT acquire = 0;
+ CRYPTACQUIRECONTEXTW acquire = 0;
CRYPTGENRANDOM gen = 0;
CRYPTRELEASECONTEXT release = 0;
#if 1 /* There was previously a problem with NETSTATGET. Currently, this
@@ -213,6 +213,9 @@ int RAND_poll(void)
GetVersionEx( &osverinfo ) ;
#if defined(OPENSSL_SYS_WINCE) && WCEPLATFORM!=MS_HPC_PRO
+#ifndef CryptAcquireContext
+#define CryptAcquireContext CryptAcquireContextW
+#endif
/* poll the CryptoAPI PRNG */
/* The CryptoAPI returns sizeof(buf) bytes of randomness */
if (CryptAcquireContext(&hProvider, 0, 0, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
@@ -223,21 +226,35 @@ int RAND_poll(void)
}
#endif
+#ifndef OPENSSL_SYS_WINCE
+ /*
+ * None of below libraries are present on Windows CE, which is
+ * why we #ifndef the whole section. This also excuses us from
+ * handling the GetProcAddress issue. The trouble is that in
+ * real Win32 API GetProcAddress is available in ANSI flavor
+ * only. In WinCE on the other hand GetProcAddress is a macro
+ * most commonly defined as GetProcAddressW, which accepts
+ * Unicode argument. If we were to call GetProcAddress under
+ * WinCE, I'd recommend to either redefine GetProcAddress as
+ * GetProcAddressA (there seem to be one in common CE spec) or
+ * implement own shim routine, which would accept ANSI argument
+ * and expand it to Unicode.
+ */
+
/* load functions dynamically - not available on all systems */
advapi = LoadLibrary(TEXT("ADVAPI32.DLL"));
kernel = LoadLibrary(TEXT("KERNEL32.DLL"));
user = LoadLibrary(TEXT("USER32.DLL"));
netapi = LoadLibrary(TEXT("NETAPI32.DLL"));
-#ifndef OPENSSL_SYS_WINCE
#if 1 /* There was previously a problem with NETSTATGET. Currently, this
* section is still experimental, but if all goes well, this conditional
* will be removed
*/
if (netapi)
{
- netstatget = (NETSTATGET) GetProcAddress(netapi,TEXT("NetStatisticsGet"));
- netfree = (NETFREE) GetProcAddress(netapi,TEXT("NetApiBufferFree"));
+ netstatget = (NETSTATGET) GetProcAddress(netapi,"NetStatisticsGet");
+ netfree = (NETFREE) GetProcAddress(netapi,"NetApiBufferFree");
}
if (netstatget && netfree)
@@ -264,9 +281,7 @@ int RAND_poll(void)
if (netapi)
FreeLibrary(netapi);
#endif /* 1 */
-#endif /* !OPENSSL_SYS_WINCE */
-
-#ifndef OPENSSL_SYS_WINCE
+
/* It appears like this can cause an exception deep within ADVAPI32.DLL
* at random times on Windows 2000. Reported by Jeffrey Altman.
* Only use it on NT.
@@ -321,16 +336,20 @@ int RAND_poll(void)
free(buf);
}
#endif
-#endif /* !OPENSSL_SYS_WINCE */
if (advapi)
{
- acquire = (CRYPTACQUIRECONTEXT) GetProcAddress(advapi,
- TEXT("CryptAcquireContextA"));
+ /*
+ * If it's available, then it's available in both ANSI
+ * and UNICODE flavors even in Win9x, documentation says.
+ * We favor Unicode...
+ */
+ acquire = (CRYPTACQUIRECONTEXTW) GetProcAddress(advapi,
+ "CryptAcquireContextW");
gen = (CRYPTGENRANDOM) GetProcAddress(advapi,
- TEXT("CryptGenRandom"));
+ "CryptGenRandom");
release = (CRYPTRELEASECONTEXT) GetProcAddress(advapi,
- TEXT("CryptReleaseContext"));
+ "CryptReleaseContext");
}
if (acquire && gen && release)
@@ -367,26 +386,15 @@ int RAND_poll(void)
if (advapi)
FreeLibrary(advapi);
- /* timer data */
- readtimer();
-
- /* memory usage statistics */
- GlobalMemoryStatus(&m);
- RAND_add(&m, sizeof(m), 1);
-
- /* process ID */
- w = GetCurrentProcessId();
- RAND_add(&w, sizeof(w), 1);
-
if (user)
{
GETCURSORINFO cursor;
GETFOREGROUNDWINDOW win;
GETQUEUESTATUS queue;
- win = (GETFOREGROUNDWINDOW) GetProcAddress(user, TEXT("GetForegroundWindow"));
- cursor = (GETCURSORINFO) GetProcAddress(user, TEXT("GetCursorInfo"));
- queue = (GETQUEUESTATUS) GetProcAddress(user, TEXT("GetQueueStatus"));
+ win = (GETFOREGROUNDWINDOW) GetProcAddress(user, "GetForegroundWindow");
+ cursor = (GETCURSORINFO) GetProcAddress(user, "GetCursorInfo");
+ queue = (GETQUEUESTATUS) GetProcAddress(user, "GetQueueStatus");
if (win)
{
@@ -458,19 +466,19 @@ int RAND_poll(void)
MODULEENTRY32 m;
snap = (CREATETOOLHELP32SNAPSHOT)
- GetProcAddress(kernel, TEXT("CreateToolhelp32Snapshot"));
+ GetProcAddress(kernel, "CreateToolhelp32Snapshot");
close_snap = (CLOSETOOLHELP32SNAPSHOT)
- GetProcAddress(kernel, TEXT("CloseToolhelp32Snapshot"));
- heap_first = (HEAP32FIRST) GetProcAddress(kernel, TEXT("Heap32First"));
- heap_next = (HEAP32NEXT) GetProcAddress(kernel, TEXT("Heap32Next"));
- heaplist_first = (HEAP32LIST) GetProcAddress(kernel, TEXT("Heap32ListFirst"));
- heaplist_next = (HEAP32LIST) GetProcAddress(kernel, TEXT("Heap32ListNext"));
- process_first = (PROCESS32) GetProcAddress(kernel, TEXT("Process32First"));
- process_next = (PROCESS32) GetProcAddress(kernel, TEXT("Process32Next"));
- thread_first = (THREAD32) GetProcAddress(kernel, TEXT("Thread32First"));
- thread_next = (THREAD32) GetProcAddress(kernel, TEXT("Thread32Next"));
- module_first = (MODULE32) GetProcAddress(kernel, TEXT("Module32First"));
- module_next = (MODULE32) GetProcAddress(kernel, TEXT("Module32Next"));
+ GetProcAddress(kernel, "CloseToolhelp32Snapshot");
+ heap_first = (HEAP32FIRST) GetProcAddress(kernel, "Heap32First");
+ heap_next = (HEAP32NEXT) GetProcAddress(kernel, "Heap32Next");
+ heaplist_first = (HEAP32LIST) GetProcAddress(kernel, "Heap32ListFirst");
+ heaplist_next = (HEAP32LIST) GetProcAddress(kernel, "Heap32ListNext");
+ process_first = (PROCESS32) GetProcAddress(kernel, "Process32First");
+ process_next = (PROCESS32) GetProcAddress(kernel, "Process32Next");
+ thread_first = (THREAD32) GetProcAddress(kernel, "Thread32First");
+ thread_next = (THREAD32) GetProcAddress(kernel, "Thread32Next");
+ module_first = (MODULE32) GetProcAddress(kernel, "Module32First");
+ module_next = (MODULE32) GetProcAddress(kernel, "Module32Next");
if (snap && heap_first && heap_next && heaplist_first &&
heaplist_next && process_first && process_next &&
@@ -546,6 +554,18 @@ int RAND_poll(void)
FreeLibrary(kernel);
}
+#endif /* !OPENSSL_SYS_WINCE */
+
+ /* timer data */
+ readtimer();
+
+ /* memory usage statistics */
+ GlobalMemoryStatus(&m);
+ RAND_add(&m, sizeof(m), 1);
+
+ /* process ID */
+ w = GetCurrentProcessId();
+ RAND_add(&w, sizeof(w), 1);
#if 0
printf("Exiting RAND_poll\n");
@@ -607,7 +627,7 @@ static void readtimer(void)
DWORD w;
LARGE_INTEGER l;
static int have_perfc = 1;
-#if defined(_MSC_VER) && !defined(OPENSSL_SYS_WINCE)
+#if defined(_MSC_VER) && defined(_M_X86)
static int have_tsc = 1;
DWORD cyclecount;