Openssl 1.1.0h

crypto/evp/evp_cnf.c

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2012-2016 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
+ */
+
+#include <stdio.h>
+#include <ctype.h>
+#include <openssl/crypto.h>
+#include "internal/cryptlib.h"
+#include <openssl/conf.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+
+/* Algorithm configuration module. */
+
+static int alg_module_init(CONF_IMODULE *md, const CONF *cnf)
+{
+    int i;
+    const char *oid_section;
+    STACK_OF(CONF_VALUE) *sktmp;
+    CONF_VALUE *oval;
+
+    oid_section = CONF_imodule_get_value(md);
+    if ((sktmp = NCONF_get_section(cnf, oid_section)) == NULL) {
+        EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_ERROR_LOADING_SECTION);
+        return 0;
+    }
+    for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
+        oval = sk_CONF_VALUE_value(sktmp, i);
+        if (strcmp(oval->name, "fips_mode") == 0) {
+            int m;
+            if (!X509V3_get_value_bool(oval, &m)) {
+                EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_INVALID_FIPS_MODE);
+                return 0;
+            }
+            if (m > 0) {
+#ifdef OPENSSL_FIPS
+                if (!FIPS_mode() && !FIPS_mode_set(1)) {
+                    EVPerr(EVP_F_ALG_MODULE_INIT,
+                           EVP_R_ERROR_SETTING_FIPS_MODE);
+                    return 0;
+                }
+#else
+                EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_FIPS_MODE_NOT_SUPPORTED);
+                return 0;
+#endif
+            }
+        } else {
+            EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_UNKNOWN_OPTION);
+            ERR_add_error_data(4, "name=", oval->name,
+                               ", value=", oval->value);
+        }
+
+    }
+    return 1;
+}
+
+void EVP_add_alg_module(void)
+{
+    CONF_module_add("alg_section", alg_module_init, 0);
+}