Initial import

1 files changed, 245 insertions, 0 deletions

diff --git a/openssl/apps/rand.c b/openssl/apps/rand.c
new file mode 100644
index 00000000..790e7959
--- /dev/null
+++ b/openssl/apps/rand.c
@@ -0,0 +1,245 @@
+/* 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).
+ *
+ */
+
+#include "apps.h"
+
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <openssl/bio.h>
+#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 **);
+
+int 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;
+#ifndef OPENSSL_NO_ENGINE
+	char *engine=NULL;
+#endif
+
+	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;
+			}
+#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;
+		}
+
+#ifndef OPENSSL_NO_ENGINE
+        setup_engine(bio_err, engine, 0);
+#endif
+
+	app_RAND_load_file(NULL, bio_err, (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());
+	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;
+
+	if (base64)
+		{
+		BIO *b64 = BIO_new(BIO_f_base64());
+		if (b64 == NULL)
+			goto err;
+		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 err;
+		if (!hex) 
+			BIO_write(out, buf, chunk);
+		else
+			{
+			for (i = 0; i < chunk; i++)
+				BIO_printf(out, "%02x", buf[i]);
+			}
+		num -= chunk;
+		}
+	if (hex)
+		BIO_puts(out, "\n");
+	(void)BIO_flush(out);
+
+	app_RAND_write_file(NULL, bio_err);
+	ret = 0;
+	
+err:
+	ERR_print_errors(bio_err);
+	if (out)
+		BIO_free_all(out);
+	apps_shutdown();
+	OPENSSL_EXIT(ret);
+	}