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Diffstat (limited to 'src/lib/libcrypto/rand/rand_win.c')
-rw-r--r--src/lib/libcrypto/rand/rand_win.c104
1 files changed, 62 insertions, 42 deletions
diff --git a/src/lib/libcrypto/rand/rand_win.c b/src/lib/libcrypto/rand/rand_win.c
index 3584842224..30c69161ef 100644
--- a/src/lib/libcrypto/rand/rand_win.c
+++ b/src/lib/libcrypto/rand/rand_win.c
@@ -125,7 +125,7 @@
125 * http://developer.intel.com/design/security/rng/redist_license.htm 125 * http://developer.intel.com/design/security/rng/redist_license.htm
126 */ 126 */
127#define PROV_INTEL_SEC 22 127#define PROV_INTEL_SEC 22
128#define INTEL_DEF_PROV TEXT("Intel Hardware Cryptographic Service Provider") 128#define INTEL_DEF_PROV L"Intel Hardware Cryptographic Service Provider"
129 129
130static void readtimer(void); 130static void readtimer(void);
131static void readscreen(void); 131static void readscreen(void);
@@ -152,7 +152,7 @@ typedef struct tagCURSORINFO
152#define CURSOR_SHOWING 0x00000001 152#define CURSOR_SHOWING 0x00000001
153#endif /* CURSOR_SHOWING */ 153#endif /* CURSOR_SHOWING */
154 154
155typedef BOOL (WINAPI *CRYPTACQUIRECONTEXT)(HCRYPTPROV *, LPCTSTR, LPCTSTR, 155typedef BOOL (WINAPI *CRYPTACQUIRECONTEXTW)(HCRYPTPROV *, LPCWSTR, LPCWSTR,
156 DWORD, DWORD); 156 DWORD, DWORD);
157typedef BOOL (WINAPI *CRYPTGENRANDOM)(HCRYPTPROV, DWORD, BYTE *); 157typedef BOOL (WINAPI *CRYPTGENRANDOM)(HCRYPTPROV, DWORD, BYTE *);
158typedef BOOL (WINAPI *CRYPTRELEASECONTEXT)(HCRYPTPROV, DWORD); 158typedef BOOL (WINAPI *CRYPTRELEASECONTEXT)(HCRYPTPROV, DWORD);
@@ -194,7 +194,7 @@ int RAND_poll(void)
194 HWND h; 194 HWND h;
195 195
196 HMODULE advapi, kernel, user, netapi; 196 HMODULE advapi, kernel, user, netapi;
197 CRYPTACQUIRECONTEXT acquire = 0; 197 CRYPTACQUIRECONTEXTW acquire = 0;
198 CRYPTGENRANDOM gen = 0; 198 CRYPTGENRANDOM gen = 0;
199 CRYPTRELEASECONTEXT release = 0; 199 CRYPTRELEASECONTEXT release = 0;
200#if 1 /* There was previously a problem with NETSTATGET. Currently, this 200#if 1 /* There was previously a problem with NETSTATGET. Currently, this
@@ -213,6 +213,9 @@ int RAND_poll(void)
213 GetVersionEx( &osverinfo ) ; 213 GetVersionEx( &osverinfo ) ;
214 214
215#if defined(OPENSSL_SYS_WINCE) && WCEPLATFORM!=MS_HPC_PRO 215#if defined(OPENSSL_SYS_WINCE) && WCEPLATFORM!=MS_HPC_PRO
216#ifndef CryptAcquireContext
217#define CryptAcquireContext CryptAcquireContextW
218#endif
216 /* poll the CryptoAPI PRNG */ 219 /* poll the CryptoAPI PRNG */
217 /* The CryptoAPI returns sizeof(buf) bytes of randomness */ 220 /* The CryptoAPI returns sizeof(buf) bytes of randomness */
218 if (CryptAcquireContext(&hProvider, 0, 0, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) 221 if (CryptAcquireContext(&hProvider, 0, 0, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
@@ -223,21 +226,35 @@ int RAND_poll(void)
223 } 226 }
224#endif 227#endif
225 228
229#ifndef OPENSSL_SYS_WINCE
230 /*
231 * None of below libraries are present on Windows CE, which is
232 * why we #ifndef the whole section. This also excuses us from
233 * handling the GetProcAddress issue. The trouble is that in
234 * real Win32 API GetProcAddress is available in ANSI flavor
235 * only. In WinCE on the other hand GetProcAddress is a macro
236 * most commonly defined as GetProcAddressW, which accepts
237 * Unicode argument. If we were to call GetProcAddress under
238 * WinCE, I'd recommend to either redefine GetProcAddress as
239 * GetProcAddressA (there seem to be one in common CE spec) or
240 * implement own shim routine, which would accept ANSI argument
241 * and expand it to Unicode.
242 */
243
226 /* load functions dynamically - not available on all systems */ 244 /* load functions dynamically - not available on all systems */
227 advapi = LoadLibrary(TEXT("ADVAPI32.DLL")); 245 advapi = LoadLibrary(TEXT("ADVAPI32.DLL"));
228 kernel = LoadLibrary(TEXT("KERNEL32.DLL")); 246 kernel = LoadLibrary(TEXT("KERNEL32.DLL"));
229 user = LoadLibrary(TEXT("USER32.DLL")); 247 user = LoadLibrary(TEXT("USER32.DLL"));
230 netapi = LoadLibrary(TEXT("NETAPI32.DLL")); 248 netapi = LoadLibrary(TEXT("NETAPI32.DLL"));
231 249
232#ifndef OPENSSL_SYS_WINCE
233#if 1 /* There was previously a problem with NETSTATGET. Currently, this 250#if 1 /* There was previously a problem with NETSTATGET. Currently, this
234 * section is still experimental, but if all goes well, this conditional 251 * section is still experimental, but if all goes well, this conditional
235 * will be removed 252 * will be removed
236 */ 253 */
237 if (netapi) 254 if (netapi)
238 { 255 {
239 netstatget = (NETSTATGET) GetProcAddress(netapi,TEXT("NetStatisticsGet")); 256 netstatget = (NETSTATGET) GetProcAddress(netapi,"NetStatisticsGet");
240 netfree = (NETFREE) GetProcAddress(netapi,TEXT("NetApiBufferFree")); 257 netfree = (NETFREE) GetProcAddress(netapi,"NetApiBufferFree");
241 } 258 }
242 259
243 if (netstatget && netfree) 260 if (netstatget && netfree)
@@ -264,9 +281,7 @@ int RAND_poll(void)
264 if (netapi) 281 if (netapi)
265 FreeLibrary(netapi); 282 FreeLibrary(netapi);
266#endif /* 1 */ 283#endif /* 1 */
267#endif /* !OPENSSL_SYS_WINCE */ 284
268
269#ifndef OPENSSL_SYS_WINCE
270 /* It appears like this can cause an exception deep within ADVAPI32.DLL 285 /* It appears like this can cause an exception deep within ADVAPI32.DLL
271 * at random times on Windows 2000. Reported by Jeffrey Altman. 286 * at random times on Windows 2000. Reported by Jeffrey Altman.
272 * Only use it on NT. 287 * Only use it on NT.
@@ -321,16 +336,20 @@ int RAND_poll(void)
321 free(buf); 336 free(buf);
322 } 337 }
323#endif 338#endif
324#endif /* !OPENSSL_SYS_WINCE */
325 339
326 if (advapi) 340 if (advapi)
327 { 341 {
328 acquire = (CRYPTACQUIRECONTEXT) GetProcAddress(advapi, 342 /*
329 TEXT("CryptAcquireContextA")); 343 * If it's available, then it's available in both ANSI
344 * and UNICODE flavors even in Win9x, documentation says.
345 * We favor Unicode...
346 */
347 acquire = (CRYPTACQUIRECONTEXTW) GetProcAddress(advapi,
348 "CryptAcquireContextW");
330 gen = (CRYPTGENRANDOM) GetProcAddress(advapi, 349 gen = (CRYPTGENRANDOM) GetProcAddress(advapi,
331 TEXT("CryptGenRandom")); 350 "CryptGenRandom");
332 release = (CRYPTRELEASECONTEXT) GetProcAddress(advapi, 351 release = (CRYPTRELEASECONTEXT) GetProcAddress(advapi,
333 TEXT("CryptReleaseContext")); 352 "CryptReleaseContext");
334 } 353 }
335 354
336 if (acquire && gen && release) 355 if (acquire && gen && release)
@@ -367,26 +386,15 @@ int RAND_poll(void)
367 if (advapi) 386 if (advapi)
368 FreeLibrary(advapi); 387 FreeLibrary(advapi);
369 388
370 /* timer data */
371 readtimer();
372
373 /* memory usage statistics */
374 GlobalMemoryStatus(&m);
375 RAND_add(&m, sizeof(m), 1);
376
377 /* process ID */
378 w = GetCurrentProcessId();
379 RAND_add(&w, sizeof(w), 1);
380
381 if (user) 389 if (user)
382 { 390 {
383 GETCURSORINFO cursor; 391 GETCURSORINFO cursor;
384 GETFOREGROUNDWINDOW win; 392 GETFOREGROUNDWINDOW win;
385 GETQUEUESTATUS queue; 393 GETQUEUESTATUS queue;
386 394
387 win = (GETFOREGROUNDWINDOW) GetProcAddress(user, TEXT("GetForegroundWindow")); 395 win = (GETFOREGROUNDWINDOW) GetProcAddress(user, "GetForegroundWindow");
388 cursor = (GETCURSORINFO) GetProcAddress(user, TEXT("GetCursorInfo")); 396 cursor = (GETCURSORINFO) GetProcAddress(user, "GetCursorInfo");
389 queue = (GETQUEUESTATUS) GetProcAddress(user, TEXT("GetQueueStatus")); 397 queue = (GETQUEUESTATUS) GetProcAddress(user, "GetQueueStatus");
390 398
391 if (win) 399 if (win)
392 { 400 {
@@ -458,19 +466,19 @@ int RAND_poll(void)
458 MODULEENTRY32 m; 466 MODULEENTRY32 m;
459 467
460 snap = (CREATETOOLHELP32SNAPSHOT) 468 snap = (CREATETOOLHELP32SNAPSHOT)
461 GetProcAddress(kernel, TEXT("CreateToolhelp32Snapshot")); 469 GetProcAddress(kernel, "CreateToolhelp32Snapshot");
462 close_snap = (CLOSETOOLHELP32SNAPSHOT) 470 close_snap = (CLOSETOOLHELP32SNAPSHOT)
463 GetProcAddress(kernel, TEXT("CloseToolhelp32Snapshot")); 471 GetProcAddress(kernel, "CloseToolhelp32Snapshot");
464 heap_first = (HEAP32FIRST) GetProcAddress(kernel, TEXT("Heap32First")); 472 heap_first = (HEAP32FIRST) GetProcAddress(kernel, "Heap32First");
465 heap_next = (HEAP32NEXT) GetProcAddress(kernel, TEXT("Heap32Next")); 473 heap_next = (HEAP32NEXT) GetProcAddress(kernel, "Heap32Next");
466 heaplist_first = (HEAP32LIST) GetProcAddress(kernel, TEXT("Heap32ListFirst")); 474 heaplist_first = (HEAP32LIST) GetProcAddress(kernel, "Heap32ListFirst");
467 heaplist_next = (HEAP32LIST) GetProcAddress(kernel, TEXT("Heap32ListNext")); 475 heaplist_next = (HEAP32LIST) GetProcAddress(kernel, "Heap32ListNext");
468 process_first = (PROCESS32) GetProcAddress(kernel, TEXT("Process32First")); 476 process_first = (PROCESS32) GetProcAddress(kernel, "Process32First");
469 process_next = (PROCESS32) GetProcAddress(kernel, TEXT("Process32Next")); 477 process_next = (PROCESS32) GetProcAddress(kernel, "Process32Next");
470 thread_first = (THREAD32) GetProcAddress(kernel, TEXT("Thread32First")); 478 thread_first = (THREAD32) GetProcAddress(kernel, "Thread32First");
471 thread_next = (THREAD32) GetProcAddress(kernel, TEXT("Thread32Next")); 479 thread_next = (THREAD32) GetProcAddress(kernel, "Thread32Next");
472 module_first = (MODULE32) GetProcAddress(kernel, TEXT("Module32First")); 480 module_first = (MODULE32) GetProcAddress(kernel, "Module32First");
473 module_next = (MODULE32) GetProcAddress(kernel, TEXT("Module32Next")); 481 module_next = (MODULE32) GetProcAddress(kernel, "Module32Next");
474 482
475 if (snap && heap_first && heap_next && heaplist_first && 483 if (snap && heap_first && heap_next && heaplist_first &&
476 heaplist_next && process_first && process_next && 484 heaplist_next && process_first && process_next &&
@@ -546,6 +554,18 @@ int RAND_poll(void)
546 554
547 FreeLibrary(kernel); 555 FreeLibrary(kernel);
548 } 556 }
557#endif /* !OPENSSL_SYS_WINCE */
558
559 /* timer data */
560 readtimer();
561
562 /* memory usage statistics */
563 GlobalMemoryStatus(&m);
564 RAND_add(&m, sizeof(m), 1);
565
566 /* process ID */
567 w = GetCurrentProcessId();
568 RAND_add(&w, sizeof(w), 1);
549 569
550#if 0 570#if 0
551 printf("Exiting RAND_poll\n"); 571 printf("Exiting RAND_poll\n");
@@ -607,7 +627,7 @@ static void readtimer(void)
607 DWORD w; 627 DWORD w;
608 LARGE_INTEGER l; 628 LARGE_INTEGER l;
609 static int have_perfc = 1; 629 static int have_perfc = 1;
610#if defined(_MSC_VER) && !defined(OPENSSL_SYS_WINCE) 630#if defined(_MSC_VER) && defined(_M_X86)
611 static int have_tsc = 1; 631 static int have_tsc = 1;
612 DWORD cyclecount; 632 DWORD cyclecount;
613 633
@@ -660,7 +680,7 @@ static void readtimer(void)
660 680
661static void readscreen(void) 681static void readscreen(void)
662{ 682{
663#ifndef OPENSSL_SYS_WINCE 683#if !defined(OPENSSL_SYS_WINCE) && !defined(OPENSSL_SYS_WIN32_CYGWIN)
664 HDC hScrDC; /* screen DC */ 684 HDC hScrDC; /* screen DC */
665 HDC hMemDC; /* memory DC */ 685 HDC hMemDC; /* memory DC */
666 HBITMAP hBitmap; /* handle for our bitmap */ 686 HBITMAP hBitmap; /* handle for our bitmap */