-#if defined(_WIN64) && !defined(UNICODE)
-#define UNICODE
+/*
+ * Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#if (defined(_WIN64) || defined(_WIN32_WCE)) && !defined(UNICODE)
+# define UNICODE
#endif
#if defined(UNICODE) && !defined(_UNICODE)
-#define _UNICODE
+# define _UNICODE
#endif
#if defined(_UNICODE) && !defined(UNICODE)
-#define UNICODE
-#endif
-#if defined(_MSC_VER) && !defined(_WIN32_WINNT)
-#define _WIN32_WINNT 0x0333 /* 3.51 */
+# define UNICODE
#endif
#include <windows.h>
#include <tchar.h>
#include <stdio.h>
-#include <malloc.h>
#include "uplink.h"
-
-#ifdef _MSC_VER
-#pragma comment(lib,"delayimp")
-/*
- * CL command line should also be complemented with following:
- *
- * /link /delayload:advapi32.dll /delayload:user32.dll
- *
- * This is required if/as we want to support Win9x. With delayloaded
- * DLLs in question all we have to do is to make sure NT-specific
- * functions are not actually called under Win9x.
- */
-#endif
-
-#if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
-int IsService()
-{ HWINSTA h;
- DWORD len;
- WCHAR *name;
-
- GetDesktopWindow(); /* return value is ignored */
-
- h = GetProcessWindowStation();
- if (h==NULL) return -1;
-
- if (GetUserObjectInformationW (h,UOI_NAME,NULL,0,&len) ||
- GetLastError() != ERROR_INSUFFICIENT_BUFFER)
- return -1;
-
- if (len>512) return -1; /* paranoia */
- len++,len&=~1; /* paranoia */
-#ifdef _MSC_VER
- name=(WCHAR *)_alloca(len+sizeof(WCHAR));
-#else
- name=(WCHAR *)alloca(len+sizeof(WCHAR));
-#endif
- if (!GetUserObjectInformationW (h,UOI_NAME,name,len,&len))
- return -1;
-
- len++,len&=~1; /* paranoia */
- name[len/sizeof(WCHAR)]=L'\0'; /* paranoia */
-#if 1
- /* This doesn't cover "interactive" services [working with real
- * WinSta0's] nor programs started non-interactively by Task
- * Scheduler [those are working with SAWinSta]. */
- if (wcsstr(name,L"Service-0x")) return 1;
-#else
- /* This covers all non-interactive programs such as services. */
- if (!wcsstr(name,L"WinSta0")) return 1;
-#endif
- else return 0;
-}
-#endif
+void OPENSSL_showfatal(const char *, ...);
static TCHAR msg[128];
-static void unimplemented ()
+static void unimplemented(void)
{
-#if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
- /* this -------------v--- guards NT-specific calls */
- if (GetVersion() < 0x80000000 && IsService())
- { HANDLE h = RegisterEventSource(0,_T("OPENSSL"));
- TCHAR *pmsg=msg;
- ReportEvent(h,EVENTLOG_ERROR_TYPE,0,0,0,1,0,&pmsg,0);
- DeregisterEventSource(h);
- }
- else
-#endif
- { MSGBOXPARAMS m;
-
- m.cbSize = sizeof(m);
- m.hwndOwner = NULL;
- m.lpszCaption = _T("OpenSSL: FATAL");
- m.dwStyle = MB_OK;
- m.hInstance = NULL;
- m.lpszIcon = IDI_ERROR;
- m.dwContextHelpId = 0;
- m.lpfnMsgBoxCallback = NULL;
- m.dwLanguageId = MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US);
- m.lpszText = msg;
-
- MessageBoxIndirect (&m);
- }
- ExitProcess (1);
+ OPENSSL_showfatal(sizeof(TCHAR) == sizeof(char) ? "%s\n" : "%S\n", msg);
+ ExitProcess(1);
}
-void OPENSSL_Uplink (void **table, int index)
-{ static HMODULE app=NULL;
- static void **applinktable=NULL;
- int len;
-
- len = _stprintf (msg,_T("OPENSSL_Uplink(%p,%02X): "),table,index);
- _tcscpy (msg+len,_T("unimplemented function"));
- table [index] = unimplemented;
-
- if (app==NULL && (app=GetModuleHandle(NULL))==NULL)
- { app=(HMODULE)-1; _tcscpy (msg+len,_T("no host application"));
- return;
- }
- else if (app==(HMODULE)-1) { return; }
-
- if (applinktable==NULL)
- { void**(*applink)();
-
- applink=(void**(*)())GetProcAddress(app,"OPENSSL_Applink");
- if (applink==NULL)
- { app=(HMODULE)-1; _tcscpy (msg+len,_T("no OPENSSL_Applink"));
- return;
- }
- applinktable = (*applink)();
- if (applinktable==NULL)
- { app=(HMODULE)-1; _tcscpy (msg+len,_T("no ApplinkTable"));
- return;
- }
- }
-
- if (index > (int)applinktable[0]) { return; }
-
- if (applinktable[index]) table[index] = applinktable[index];
-}
+void OPENSSL_Uplink(volatile void **table, int index)
+{
+ static HMODULE volatile apphandle = NULL;
+ static void **volatile applinktable = NULL;
+ int len;
+ void (*func) (void) = unimplemented;
+ HANDLE h;
+ void **p;
+
+ /*
+ * Note that the below code is not MT-safe in respect to msg buffer, but
+ * what's the worst thing that can happen? Error message might be
+ * misleading or corrupted. As error condition is fatal and should never
+ * be risen, I accept the risk...
+ */
+ /*
+ * One can argue that I should have used InterlockedExchangePointer or
+ * something to update static variables and table[]. Well, store
+ * instructions are as atomic as they can get and assigned values are
+ * effectively constant... So that volatile qualifier should be
+ * sufficient [it prohibits compiler to reorder memory access
+ * instructions].
+ */
+ do {
+ len = _sntprintf(msg, sizeof(msg) / sizeof(TCHAR),
+ _T("OPENSSL_Uplink(%p,%02X): "), table, index);
+ _tcscpy(msg + len, _T("unimplemented function"));
+
+ if ((h = apphandle) == NULL) {
+ if ((h = GetModuleHandle(NULL)) == NULL) {
+ apphandle = (HMODULE) - 1;
+ _tcscpy(msg + len, _T("no host application"));
+ break;
+ }
+ apphandle = h;
+ }
+ if ((h = apphandle) == (HMODULE) - 1) /* revalidate */
+ break;
+
+ if (applinktable == NULL) {
+ void **(*applink) ();
+
+ applink = (void **(*)())GetProcAddress(h, "OPENSSL_Applink");
+ if (applink == NULL) {
+ apphandle = (HMODULE) - 1;
+ _tcscpy(msg + len, _T("no OPENSSL_Applink"));
+ break;
+ }
+ p = (*applink) ();
+ if (p == NULL) {
+ apphandle = (HMODULE) - 1;
+ _tcscpy(msg + len, _T("no ApplinkTable"));
+ break;
+ }
+ applinktable = p;
+ } else
+ p = applinktable;
+
+ if (index > (int)p[0])
+ break;
+
+ if (p[index])
+ func = p[index];
+ } while (0);
+
+ table[index] = func;
+}
#if defined(_MSC_VER) && defined(_M_IX86)
-#define LAZY(i) \
-__declspec(naked) static void lazy##i () { \
- _asm push i \
- _asm push OFFSET OPENSSL_UplinkTable \
- _asm call OPENSSL_Uplink \
- _asm add esp,8 \
- _asm jmp OPENSSL_UplinkTable+4*i }
-
-#if APPLINK_MAX>20
-#error "Add more stubs..."
-#endif
+# define LAZY(i) \
+__declspec(naked) static void lazy##i (void) { \
+ _asm push i \
+ _asm push OFFSET OPENSSL_UplinkTable \
+ _asm call OPENSSL_Uplink \
+ _asm add esp,8 \
+ _asm jmp OPENSSL_UplinkTable+4*i }
+
+# if APPLINK_MAX>25
+# error "Add more stubs..."
+# endif
/* make some in advance... */
-LAZY(1) LAZY(2) LAZY(3) LAZY(4) LAZY(5)
-LAZY(6) LAZY(7) LAZY(8) LAZY(9) LAZY(10)
-LAZY(11) LAZY(12) LAZY(13) LAZY(14) LAZY(15)
-LAZY(16) LAZY(17) LAZY(18) LAZY(19) LAZY(20)
+LAZY(1) LAZY(2) LAZY(3) LAZY(4) LAZY(5)
+ LAZY(6) LAZY(7) LAZY(8) LAZY(9) LAZY(10)
+ LAZY(11) LAZY(12) LAZY(13) LAZY(14) LAZY(15)
+ LAZY(16) LAZY(17) LAZY(18) LAZY(19) LAZY(20)
+ LAZY(21) LAZY(22) LAZY(23) LAZY(24) LAZY(25)
void *OPENSSL_UplinkTable[] = {
- (void *)APPLINK_MAX,
- lazy1, lazy2, lazy3, lazy4, lazy5,
- lazy6, lazy7, lazy8, lazy9, lazy10,
- lazy11,lazy12,lazy13,lazy14,lazy15,
- lazy16,lazy17,lazy18,lazy19,lazy20,
+ (void *)APPLINK_MAX,
+ lazy1, lazy2, lazy3, lazy4, lazy5,
+ lazy6, lazy7, lazy8, lazy9, lazy10,
+ lazy11, lazy12, lazy13, lazy14, lazy15,
+ lazy16, lazy17, lazy18, lazy19, lazy20,
+ lazy21, lazy22, lazy23, lazy24, lazy25,
};
#endif
#ifdef SELFTEST
-main() { UP_fprintf(UP_stdout,"hello, world!\n"); }
+main()
+{
+ UP_fprintf(UP_stdout, "hello, world!\n");
+}
#endif
projects / openssl.git / blobdiff