MSVC fixes and workarounds

.gitignore

@@ -2,7 +2,9 @@ build/
 CMakeFiles/
 _CPack_Packages/
 Testing/
+.vs/
 
+CMakeSettings.json
 CMakeCache.txt
 cmake_install.cmake
 config.h

CMakeLists.txt

@@ -30,7 +30,7 @@ target_compile_definitions(osslsigncode PRIVATE HAVE_CONFIG_H=1)
 # set sources
 target_sources(osslsigncode PRIVATE osslsigncode.c msi.c)
 if(WIN32)
-target_sources(osslsigncode PRIVATE ${OPENSSL_INCLUDE_DIRS}/applink.c)
+target_sources(osslsigncode PRIVATE applink.c)
 endif(WIN32)
 
 # set include directories
@@ -53,6 +53,8 @@ else(CURL_FOUND)
   message(WARNING "cURL support disabled (library not found)")
 endif(CURL_FOUND)
 
+if(false)
+
 if(WIN32)
   # set output directory
   set_target_properties(osslsigncode PROPERTIES
@@ -62,10 +64,8 @@ if(WIN32)
   # copy the libraries
   file(COPY ${OPENSSL_LIBRARIES} ${CURL_LIBRARIES} DESTINATION ${PROJECT_BINARY_DIR})
 else(WIN32)
-  # set LD_LIBRARY_PATH
-  set_target_properties(osslsigncode PROPERTIES
-    INSTALL_RPATH_USE_LINK_PATH TRUE
-  )
+  # add paths to linker search and installed rpath
+  set_target_properties(osslsigncode PROPERTIES INSTALL_RPATH_USE_LINK_PATH TRUE)
 endif(WIN32)
 
 include(CMakeTest)
@@ -75,3 +75,5 @@ include(CMakeInstall)
 if(NOT WIN32)
   include(CMakeDist)
 endif(NOT WIN32)
+
+endif(false)

applink.c

@@ -0,0 +1,144 @@
+/*
+ * Copyright 2004-2021 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (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
+ */
+
+#define APPLINK_STDIN   1
+#define APPLINK_STDOUT  2
+#define APPLINK_STDERR  3
+#define APPLINK_FPRINTF 4
+#define APPLINK_FGETS   5
+#define APPLINK_FREAD   6
+#define APPLINK_FWRITE  7
+#define APPLINK_FSETMOD 8
+#define APPLINK_FEOF    9
+#define APPLINK_FCLOSE  10      /* should not be used */
+
+#define APPLINK_FOPEN   11      /* solely for completeness */
+#define APPLINK_FSEEK   12
+#define APPLINK_FTELL   13
+#define APPLINK_FFLUSH  14
+#define APPLINK_FERROR  15
+#define APPLINK_CLEARERR 16
+#define APPLINK_FILENO  17      /* to be used with below */
+
+#define APPLINK_OPEN    18      /* formally can't be used, as flags can vary */
+#define APPLINK_READ    19
+#define APPLINK_WRITE   20
+#define APPLINK_LSEEK   21
+#define APPLINK_CLOSE   22
+#define APPLINK_MAX     22      /* always same as last macro */
+
+#ifndef APPMACROS_ONLY
+# include <stdio.h>
+# include <io.h>
+# include <fcntl.h>
+
+# ifdef __BORLANDC__
+   /* _lseek in <io.h> is a function-like macro so we can't take its address */
+#  undef _lseek
+#  define _lseek lseek
+# endif
+
+static void *app_stdin(void)
+{
+    return stdin;
+}
+
+static void *app_stdout(void)
+{
+    return stdout;
+}
+
+static void *app_stderr(void)
+{
+    return stderr;
+}
+
+static int app_feof(FILE *fp)
+{
+    return feof(fp);
+}
+
+static int app_ferror(FILE *fp)
+{
+    return ferror(fp);
+}
+
+static void app_clearerr(FILE *fp)
+{
+    clearerr(fp);
+}
+
+static int app_fileno(FILE *fp)
+{
+    return _fileno(fp);
+}
+
+static int app_fsetmod(FILE *fp, char mod)
+{
+    return _setmode(_fileno(fp), mod == 'b' ? _O_BINARY : _O_TEXT);
+}
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+__declspec(dllexport)
+void **
+# if defined(__BORLANDC__)
+/*
+ * __stdcall appears to be the only way to get the name
+ * decoration right with Borland C. Otherwise it works
+ * purely incidentally, as we pass no parameters.
+ */
+__stdcall
+# else
+__cdecl
+# endif
+OPENSSL_Applink(void)
+{
+    static int once = 1;
+    static void *OPENSSL_ApplinkTable[APPLINK_MAX + 1] =
+        { (void *)APPLINK_MAX };
+
+    if (once) {
+        OPENSSL_ApplinkTable[APPLINK_STDIN] = app_stdin;
+        OPENSSL_ApplinkTable[APPLINK_STDOUT] = app_stdout;
+        OPENSSL_ApplinkTable[APPLINK_STDERR] = app_stderr;
+        OPENSSL_ApplinkTable[APPLINK_FPRINTF] = fprintf;
+        OPENSSL_ApplinkTable[APPLINK_FGETS] = fgets;
+        OPENSSL_ApplinkTable[APPLINK_FREAD] = fread;
+        OPENSSL_ApplinkTable[APPLINK_FWRITE] = fwrite;
+        OPENSSL_ApplinkTable[APPLINK_FSETMOD] = app_fsetmod;
+        OPENSSL_ApplinkTable[APPLINK_FEOF] = app_feof;
+        OPENSSL_ApplinkTable[APPLINK_FCLOSE] = fclose;
+
+        OPENSSL_ApplinkTable[APPLINK_FOPEN] = fopen;
+        OPENSSL_ApplinkTable[APPLINK_FSEEK] = fseek;
+        OPENSSL_ApplinkTable[APPLINK_FTELL] = ftell;
+        OPENSSL_ApplinkTable[APPLINK_FFLUSH] = fflush;
+        OPENSSL_ApplinkTable[APPLINK_FERROR] = app_ferror;
+        OPENSSL_ApplinkTable[APPLINK_CLEARERR] = app_clearerr;
+        OPENSSL_ApplinkTable[APPLINK_FILENO] = app_fileno;
+
+        OPENSSL_ApplinkTable[APPLINK_OPEN] = _open;
+        OPENSSL_ApplinkTable[APPLINK_READ] = _read;
+        OPENSSL_ApplinkTable[APPLINK_WRITE] = _write;
+        OPENSSL_ApplinkTable[APPLINK_LSEEK] = _lseek;
+        OPENSSL_ApplinkTable[APPLINK_CLOSE] = _close;
+
+        once = 0;
+    }
+
+    return OPENSSL_ApplinkTable;
+}
+
+#ifdef __cplusplus
+}
+#endif
+#endif