Standardize apps use of -rand, etc.

[openssl.git] / apps / rsautl.c

diff --git a/apps/rsautl.c b/apps/rsautl.c
index 728352cbd4c0753d2375882706c0e7d7aaa53ff2..ca9cb791c7b746870bffa929972886dafd9cd407 100644 (file)
--- a/apps/rsautl.c
+++ b/apps/rsautl.c
@@ -1,59 +1,10 @@
 /*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 2000.
- */
-/* ====================================================================
- * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2000-2017 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 <openssl/opensslconf.h>
@@ -81,10 +32,11 @@ typedef enum OPTION_choice {
     OPT_ENGINE, OPT_IN, OPT_OUT, OPT_ASN1PARSE, OPT_HEXDUMP,
     OPT_RAW, OPT_OAEP, OPT_SSL, OPT_PKCS, OPT_X931,
     OPT_SIGN, OPT_VERIFY, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT,
-    OPT_PUBIN, OPT_CERTIN, OPT_INKEY, OPT_PASSIN, OPT_KEYFORM
+    OPT_PUBIN, OPT_CERTIN, OPT_INKEY, OPT_PASSIN, OPT_KEYFORM,
+    OPT_R_ENUM
 } OPTION_CHOICE;
 
-OPTIONS rsautl_options[] = {
+const OPTIONS rsautl_options[] = {
     {"help", OPT_HELP, '-', "Display this summary"},
     {"in", OPT_IN, '<', "Input file"},
     {"out", OPT_OUT, '>', "Output file"},
@@ -105,7 +57,8 @@ OPTIONS rsautl_options[] = {
     {"rev", OPT_REV, '-', "Reverse the order of the input buffer"},
     {"encrypt", OPT_ENCRYPT, '-', "Encrypt with public key"},
     {"decrypt", OPT_DECRYPT, '-', "Decrypt with private key"},
-    {"passin", OPT_PASSIN, 's', "Pass phrase source"},
+    {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
+    OPT_R_OPTIONS,
 # ifndef OPENSSL_NO_ENGINE
     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
 # endif
@@ -202,6 +155,10 @@ int rsautl_main(int argc, char **argv)
         case OPT_PASSIN:
             passinarg = opt_arg();
             break;
+        case OPT_R_CASES:
+            if (!opt_rand(o))
+                goto end;
+            break;
         }
     }
     argc = opt_num_rest();
@@ -218,9 +175,6 @@ int rsautl_main(int argc, char **argv)
         goto end;
     }
 
-/* FIXME: seed PRNG only if needed */
-    app_RAND_load_file(NULL, 0);
-
     switch (key_type) {
     case KEY_PRIVKEY:
         pkey = load_key(keyfile, keyformat, 0, passin, e, "Private Key");
@@ -239,14 +193,13 @@ int rsautl_main(int argc, char **argv)
         break;
     }
 
-    if (!pkey) {
+    if (pkey == NULL)
         return 1;
-    }
 
     rsa = EVP_PKEY_get1_RSA(pkey);
     EVP_PKEY_free(pkey);
 
-    if (!rsa) {
+    if (rsa == NULL) {
         BIO_printf(bio_err, "Error getting RSA key\n");
         ERR_print_errors(bio_err);
         goto end;
@@ -310,12 +263,14 @@ int rsautl_main(int argc, char **argv)
         if (!ASN1_parse_dump(out, rsa_out, rsa_outlen, 1, -1)) {
             ERR_print_errors(bio_err);
         }
-    } else if (hexdump)
+    } else if (hexdump) {
         BIO_dump(out, (char *)rsa_out, rsa_outlen);
-    else
+    } else {
         BIO_write(out, rsa_out, rsa_outlen);
+    }
  end:
     RSA_free(rsa);
+    release_engine(e);
     BIO_free(in);
     BIO_free_all(out);
     OPENSSL_free(rsa_in);