1 files changed, 135 insertions, 0 deletions
diff --git a/freebsd/crypto/openssl/apps/rand.c b/freebsd/crypto/openssl/apps/rand.c
new file mode 100644
index 00000000..af38f69d
--- /dev/null
+++ b/freebsd/crypto/openssl/apps/rand.c
@@ -0,0 +1,135 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/*
+ * 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"
+#include "progs.h"
+
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/rand.h>
+
+typedef enum OPTION_choice {
+    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+    OPT_OUT, OPT_ENGINE, OPT_BASE64, OPT_HEX,
+    OPT_R_ENUM
+} OPTION_CHOICE;
+
+const 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"},
+    OPT_R_OPTIONS,
+    {"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 rand_main(int argc, char **argv)
+{
+    ENGINE *e = NULL;
+    BIO *out = NULL;
+    char *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_R_CASES:
+            if (!opt_rand(o))
+                goto end;
+            break;
+        case OPT_BASE64:
+            format = FORMAT_BASE64;
+            break;
+        case OPT_HEX:
+            format = FORMAT_TEXT;
+            break;
+        }
+    }
+    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;
+    }
+
+    out = bio_open_default(outfile, 'w', format);
+    if (out == NULL)
+        goto end;
+
+    if (format == FORMAT_BASE64) {
+        BIO *b64 = BIO_new(BIO_f_base64());
+        if (b64 == NULL)
+            goto end;
+        out = BIO_push(b64, out);
+    }
+
+    while (num > 0) {
+        unsigned char buf[4096];
+        int chunk;
+
+        chunk = num;
+        if (chunk > (int)sizeof(buf))
+            chunk = sizeof(buf);
+        r = RAND_bytes(buf, chunk);
+        if (r <= 0)
+            goto end;
+        if (format != FORMAT_TEXT) {
+            if (BIO_write(out, buf, chunk) != chunk)
+                goto end;
+        } else {
+            for (i = 0; i < chunk; i++)
+                if (BIO_printf(out, "%02x", buf[i]) != 2)
+                    goto end;
+        }
+        num -= chunk;
+    }
+    if (format == FORMAT_TEXT)
+        BIO_puts(out, "\n");
+    if (BIO_flush(out) <= 0)
+        goto end;
+
+    ret = 0;
+
+ end:
+    if (ret != 0)
+        ERR_print_errors(bio_err);
+    release_engine(e);
+    BIO_free_all(out);
+    return ret;
+}