-/* ====================================================================
- * 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 1998-2016 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 "apps.h"
int rand_main(int argc, char **argv)
{
+ ENGINE *e = NULL;
BIO *out = NULL;
char *inrand = NULL, *outfile = NULL, *prog;
OPTION_CHOICE o;
- int base64 = 0, hex = 0, i, num = -1, r, ret = 1;
+ int format = FORMAT_BINARY, i, num = -1, r, ret = 1;
prog = opt_init(argc, argv, rand_options);
while ((o = opt_next()) != OPT_EOF) {
outfile = opt_arg();
break;
case OPT_ENGINE:
- (void)setup_engine(opt_arg(), 0);
+ e = setup_engine(opt_arg(), 0);
break;
case OPT_RAND:
inrand = opt_arg();
break;
case OPT_BASE64:
- base64 = 1;
+ format = FORMAT_BASE64;
break;
case OPT_HEX:
- hex = 1;
+ format = FORMAT_TEXT;
break;
}
}
argc = opt_num_rest();
argv = opt_rest();
- if (argc != 1 || (hex && base64))
- goto opthelp;
- if (sscanf(argv[0], "%d", &num) != 1 || num < 0)
+ if (argc != 1 || !opt_int(argv[0], &num) || num < 0)
goto opthelp;
- if (!app_load_modules(NULL))
- goto end;
-
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_open_default(outfile, "w");
+ out = bio_open_default(outfile, 'w', format);
if (out == NULL)
goto end;
- if (base64) {
+ if (format == FORMAT_BASE64) {
BIO *b64 = BIO_new(BIO_f_base64());
if (b64 == NULL)
goto end;
r = RAND_bytes(buf, chunk);
if (r <= 0)
goto end;
- if (!hex)
- BIO_write(out, buf, chunk);
- else {
+ 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);
ret = 0;
end:
+ if (ret != 0)
+ ERR_print_errors(bio_err);
+ release_engine(e);
BIO_free_all(out);
return (ret);
}