1 files changed, 62 insertions, 9 deletions

diff --git a/crypto/cversion.c b/crypto/cversion.c
index 530b0e805e8d..eaa6ac0d656d 100644
--- a/crypto/cversion.c
+++ b/crypto/cversion.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2025 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
@@ -7,7 +7,12 @@
  * https://www.openssl.org/source/license.html
  */
 
+#include <stdio.h>
+#include <openssl/bio.h>
+#include "internal/e_os.h"
 #include "internal/cryptlib.h"
+#include "internal/common.h"
+#include "internal/thread_once.h"
 
 #include "buildinf.h"
 
@@ -43,8 +48,41 @@ const char *OPENSSL_version_build_metadata(void)
 
 extern char ossl_cpu_info_str[];
 
+#if defined(_WIN32) && defined(OSSL_WINCTX)
+/* size: MAX_PATH + sizeof("OPENSSLDIR: \"\"") */
+static char openssldir[MAX_PATH + 15];
+
+/* size: MAX_PATH + sizeof("ENGINESDIR: \"\"") */
+static char enginesdir[MAX_PATH + 15];
+
+/* size: MAX_PATH + sizeof("MODULESDIR: \"\"") */
+static char modulesdir[MAX_PATH + 15];
+
+static CRYPTO_ONCE version_strings_once = CRYPTO_ONCE_STATIC_INIT;
+
+DEFINE_RUN_ONCE_STATIC(version_strings_setup)
+{
+    BIO_snprintf(openssldir, sizeof(openssldir), "OPENSSLDIR: \"%s\"",
+                 ossl_get_openssldir());
+    BIO_snprintf(enginesdir, sizeof(enginesdir), "ENGINESDIR: \"%s\"",
+                 ossl_get_enginesdir());
+    BIO_snprintf(modulesdir, sizeof(modulesdir), "MODULESDIR: \"%s\"",
+                 ossl_get_modulesdir());
+    return 1;
+}
+
+# define TOSTR(x) #x
+# define OSSL_WINCTX_STRING "OSSL_WINCTX: \"" TOSTR(OSSL_WINCTX) "\""
+
+#endif
+
 const char *OpenSSL_version(int t)
 {
+#if defined(_WIN32) && defined(OSSL_WINCTX)
+    /* Cannot really fail but we would return empty strings anyway */
+    (void)RUN_ONCE(&version_strings_once, version_strings_setup);
+#endif
+
     switch (t) {
     case OPENSSL_VERSION:
         return OPENSSL_VERSION_TEXT;
@@ -58,29 +96,44 @@ const char *OpenSSL_version(int t)
         return compiler_flags;
     case OPENSSL_PLATFORM:
         return PLATFORM;
+#if defined(_WIN32) && defined(OSSL_WINCTX)
     case OPENSSL_DIR:
-#ifdef OPENSSLDIR
-        return "OPENSSLDIR: \"" OPENSSLDIR "\"";
+        return openssldir;
+    case OPENSSL_ENGINES_DIR:
+        return enginesdir;
+    case OPENSSL_MODULES_DIR:
+        return modulesdir;
 #else
+    case OPENSSL_DIR:
+# ifdef OPENSSLDIR
+        return "OPENSSLDIR: \"" OPENSSLDIR "\"";
+# else
         return "OPENSSLDIR: N/A";
-#endif
+# endif
     case OPENSSL_ENGINES_DIR:
-#ifdef ENGINESDIR
+# ifdef ENGINESDIR
         return "ENGINESDIR: \"" ENGINESDIR "\"";
-#else
+# else
         return "ENGINESDIR: N/A";
-#endif
+# endif
     case OPENSSL_MODULES_DIR:
-#ifdef MODULESDIR
+# ifdef MODULESDIR
         return "MODULESDIR: \"" MODULESDIR "\"";
-#else
+# else
         return "MODULESDIR: N/A";
+# endif
 #endif
     case OPENSSL_CPU_INFO:
         if (OPENSSL_info(OPENSSL_INFO_CPU_SETTINGS) != NULL)
             return ossl_cpu_info_str;
         else
             return "CPUINFO: N/A";
+    case OPENSSL_WINCTX:
+#if defined(_WIN32) && defined(OSSL_WINCTX)
+        return OSSL_WINCTX_STRING;
+#else
+        return "OSSL_WINCTX: Undefined";
+#endif
     }
     return "not available";
 }