Latest update.

apps/lib/app_provider.c

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2020 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
+ */
+
+#include "apps.h"
+#include <openssl/err.h>
+#include <openssl/provider.h>
+
+/*
+ * See comments in opt_verify for explanation of this.
+ */
+enum prov_range { OPT_PROV_ENUM };
+
+static int opt_provider_load(const char *provider)
+{
+    OSSL_PROVIDER *prov;
+
+    prov = OSSL_PROVIDER_load(NULL, provider);
+    if (prov == NULL) {
+        opt_printf_stderr("%s: unable to load provider %s\n",
+                          opt_getprog(), provider);
+        return 0;
+    }
+    return 1;
+}
+
+static int opt_provider_path(const char *path)
+{
+    if (path != NULL && *path == '\0')
+        path = NULL;
+    return OSSL_PROVIDER_set_default_search_path(NULL, path);
+}
+
+int opt_provider(int opt)
+{
+    switch ((enum prov_range)opt) {
+    case OPT_PROV__FIRST:
+    case OPT_PROV__LAST:
+        return 1;
+    case OPT_PROV_PROVIDER:
+        return opt_provider_load(opt_arg());
+    case OPT_PROV_PROVIDER_PATH:
+        return opt_provider_path(opt_arg());
+    }
+    return 0;
+}

apps/lib/build.info

@@ -9,7 +9,7 @@ ENDIF
 
 # Source for libapps
 $LIBAPPSSRC=apps.c apps_ui.c opt.c fmt.c s_cb.c s_socket.c app_rand.c \
-        columns.c app_params.c names.c
+        columns.c app_params.c names.c app_provider.c
 
 IF[{- !$disabled{apps} -}]
   LIBS{noinst}=../libapps.a