1 files changed, 86 insertions, 177 deletions

diff --git a/deps/openssl/openssl/apps/rand.c b/deps/openssl/openssl/apps/rand.c
index eddb8af8d7..b3ec70a771 100644
--- a/deps/openssl/openssl/apps/rand.c
+++ b/deps/openssl/openssl/apps/rand.c
@@ -1,56 +1,10 @@
-/* apps/rand.c */
-/* ====================================================================
- * Copyright (c) 1998-2001 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
- *    openssl-core@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 1998-2018 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 "apps.h"
@@ -63,132 +17,86 @@
 #include <openssl/err.h>
 #include <openssl/rand.h>
 
-#undef PROG
-#define PROG rand_main
-
-/*-
- * -out file         - write to file
- * -rand file:file   - PRNG seed files
- * -base64           - base64 encode output
- * -hex              - hex encode output
- * num               - write 'num' bytes
- */
-
-int MAIN(int, char **);
+typedef enum OPTION_choice {
+    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+    OPT_OUT, OPT_ENGINE, OPT_RAND, OPT_BASE64, OPT_HEX
+} OPTION_CHOICE;
+
+OPTIONS rand_options[] = {
+    {OPT_HELP_STR, 1, '-', "Usage: %s [flags] num\n"},
+    {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
+    {"help", OPT_HELP, '-', "Display this summary"},
+    {"out", OPT_OUT, '>', "Output file"},
+    {"rand", OPT_RAND, 's',
+     "Load the file(s) into the random number generator"},
+    {"base64", OPT_BASE64, '-', "Base64 encode output"},
+    {"hex", OPT_HEX, '-', "Hex encode output"},
+#ifndef OPENSSL_NO_ENGINE
+    {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+#endif
+    {NULL}
+};
 
-int MAIN(int argc, char **argv)
+int rand_main(int argc, char **argv)
 {
-    int i, r, ret = 1;
-    int badopt;
-    char *outfile = NULL;
-    char *inrand = NULL;
-    int base64 = 0;
-    int hex = 0;
-    BIO *out = NULL;
-    int num = -1;
     ENGINE *e = NULL;
-    char *engine = NULL;
-
-    apps_startup();
-
-    if (bio_err == NULL)
-        if ((bio_err = BIO_new(BIO_s_file())) != NULL)
-            BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
-
-    if (!load_config(bio_err, NULL))
-        goto err;
-
-    badopt = 0;
-    i = 0;
-    while (!badopt && argv[++i] != NULL) {
-        if (strcmp(argv[i], "-out") == 0) {
-            if ((argv[i + 1] != NULL) && (outfile == NULL))
-                outfile = argv[++i];
-            else
-                badopt = 1;
-        }
-#ifndef OPENSSL_NO_ENGINE
-        else if (strcmp(argv[i], "-engine") == 0) {
-            if ((argv[i + 1] != NULL) && (engine == NULL))
-                engine = argv[++i];
-            else
-                badopt = 1;
+    BIO *out = NULL;
+    char *inrand = NULL, *outfile = NULL, *prog;
+    OPTION_CHOICE o;
+    int format = FORMAT_BINARY, i, num = -1, r, ret = 1;
+
+    prog = opt_init(argc, argv, rand_options);
+    while ((o = opt_next()) != OPT_EOF) {
+        switch (o) {
+        case OPT_EOF:
+        case OPT_ERR:
+ opthelp:
+            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+            goto end;
+        case OPT_HELP:
+            opt_help(rand_options);
+            ret = 0;
+            goto end;
+        case OPT_OUT:
+            outfile = opt_arg();
+            break;
+        case OPT_ENGINE:
+            e = setup_engine(opt_arg(), 0);
+            break;
+        case OPT_RAND:
+            inrand = opt_arg();
+            break;
+        case OPT_BASE64:
+            format = FORMAT_BASE64;
+            break;
+        case OPT_HEX:
+            format = FORMAT_TEXT;
+            break;
         }
-#endif
-        else if (strcmp(argv[i], "-rand") == 0) {
-            if ((argv[i + 1] != NULL) && (inrand == NULL))
-                inrand = argv[++i];
-            else
-                badopt = 1;
-        } else if (strcmp(argv[i], "-base64") == 0) {
-            if (!base64)
-                base64 = 1;
-            else
-                badopt = 1;
-        } else if (strcmp(argv[i], "-hex") == 0) {
-            if (!hex)
-                hex = 1;
-            else
-                badopt = 1;
-        } else if (isdigit((unsigned char)argv[i][0])) {
-            if (num < 0) {
-                r = sscanf(argv[i], "%d", &num);
-                if (r == 0 || num < 0)
-                    badopt = 1;
-            } else
-                badopt = 1;
-        } else
-            badopt = 1;
     }
-
-    if (hex && base64)
-        badopt = 1;
-
-    if (num < 0)
-        badopt = 1;
-
-    if (badopt) {
-        BIO_printf(bio_err, "Usage: rand [options] num\n");
-        BIO_printf(bio_err, "where options are\n");
-        BIO_printf(bio_err, "-out file             - write to file\n");
-#ifndef OPENSSL_NO_ENGINE
-        BIO_printf(bio_err,
-                   "-engine e             - use engine e, possibly a hardware device.\n");
-#endif
-        BIO_printf(bio_err, "-rand file%cfile%c... - seed PRNG from files\n",
-                   LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
-        BIO_printf(bio_err, "-base64               - base64 encode output\n");
-        BIO_printf(bio_err, "-hex                  - hex encode output\n");
-        goto err;
+    argc = opt_num_rest();
+    argv = opt_rest();
+    if (argc == 1) {
+        if (!opt_int(argv[0], &num) || num <= 0)
+            goto end;
+    } else if (argc > 0) {
+        BIO_printf(bio_err, "Extra arguments given.\n");
+        goto opthelp;
     }
-    e = setup_engine(bio_err, engine, 0);
 
-    app_RAND_load_file(NULL, bio_err, (inrand != NULL));
+    app_RAND_load_file(NULL, (inrand != NULL));
     if (inrand != NULL)
         BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
                    app_RAND_load_files(inrand));
 
-    out = BIO_new(BIO_s_file());
+    out = bio_open_default(outfile, 'w', format);
     if (out == NULL)
-        goto err;
-    if (outfile != NULL)
-        r = BIO_write_filename(out, outfile);
-    else {
-        r = BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
-#ifdef OPENSSL_SYS_VMS
-        {
-            BIO *tmpbio = BIO_new(BIO_f_linebuffer());
-            out = BIO_push(tmpbio, out);
-        }
-#endif
-    }
-    if (r <= 0)
-        goto err;
+        goto end;
 
-    if (base64) {
+    if (format == FORMAT_BASE64) {
         BIO *b64 = BIO_new(BIO_f_base64());
         if (b64 == NULL)
-            goto err;
+            goto end;
         out = BIO_push(b64, out);
     }
 
@@ -201,27 +109,28 @@ int MAIN(int argc, char **argv)
             chunk = sizeof(buf);
         r = RAND_bytes(buf, chunk);
         if (r <= 0)
-            goto err;
-        if (!hex)
-            BIO_write(out, buf, chunk);
-        else {
+            goto end;
+        if (format != FORMAT_TEXT) {
+            if (BIO_write(out, buf, chunk) != chunk)
+                goto end;
+        } else {
             for (i = 0; i < chunk; i++)
-                BIO_printf(out, "%02x", buf[i]);
+                if (BIO_printf(out, "%02x", buf[i]) != 2)
+                    goto end;
         }
         num -= chunk;
     }
-    if (hex)
+    if (format == FORMAT_TEXT)
         BIO_puts(out, "\n");
-    (void)BIO_flush(out);
+    if (BIO_flush(out) <= 0 || !app_RAND_write_file(NULL))
+        goto end;
 
-    app_RAND_write_file(NULL, bio_err);
     ret = 0;
 
- err:
-    ERR_print_errors(bio_err);
+ end:
+    if (ret != 0)
+        ERR_print_errors(bio_err);
     release_engine(e);
-    if (out)
-        BIO_free_all(out);
-    apps_shutdown();
-    OPENSSL_EXIT(ret);
+    BIO_free_all(out);
+    return (ret);
 }