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-rw-r--r--openssl-1.1.0h/ms/uplink.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/openssl-1.1.0h/ms/uplink.c b/openssl-1.1.0h/ms/uplink.c
new file mode 100644
index 0000000..7f7abfb
--- /dev/null
+++ b/openssl-1.1.0h/ms/uplink.c
@@ -0,0 +1,135 @@
+/*
+ * 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
+#endif
+#if defined(_UNICODE) && !defined(UNICODE)
+# define UNICODE
+#endif
+
+#include <windows.h>
+#include <tchar.h>
+#include <stdio.h>
+#include "uplink.h"
+void OPENSSL_showfatal(const char *, ...);
+
+static TCHAR msg[128];
+
+static void unimplemented(void)
+{
+ OPENSSL_showfatal(sizeof(TCHAR) == sizeof(char) ? "%s\n" : "%S\n", msg);
+ ExitProcess(1);
+}
+
+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 (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(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,
+ lazy21, lazy22, lazy23, lazy24, lazy25,
+};
+#endif
+
+#ifdef SELFTEST
+main()
+{
+ UP_fprintf(UP_stdout, "hello, world!\n");
+}
+#endif