Workaround for some CMS signature formats.
[openssl.git] / apps / rand.c
index f1c2e94..790e795 100644 (file)
@@ -1,9 +1,63 @@
 /* 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>
@@ -14,7 +68,8 @@
 
 /* -out file         - write to file
  * -rand file:file   - PRNG seed files
- * -base64           - encode output
+ * -base64           - base64 encode output
+ * -hex              - hex encode output
  * num               - write 'num' bytes
  */
 
@@ -27,8 +82,12 @@ int MAIN(int argc, char **argv)
        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();
 
@@ -36,6 +95,9 @@ int MAIN(int argc, char **argv)
                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)
@@ -47,6 +109,15 @@ int MAIN(int argc, char **argv)
                        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))
@@ -61,7 +132,14 @@ int MAIN(int argc, char **argv)
                        else
                                badopt = 1;
                        }
-               else if (isdigit(argv[i][0]))
+               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)
                                {
@@ -76,6 +154,9 @@ int MAIN(int argc, char **argv)
                        badopt = 1;
                }
 
+       if (hex && base64)
+               badopt = 1;
+
        if (num < 0)
                badopt = 1;
        
@@ -83,12 +164,20 @@ int MAIN(int argc, char **argv)
                {
                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");
-               BIO_printf(bio_err, "-rand file%cfile%c...  - seed PRNG from files\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
-               BIO_printf(bio_err, "-base64              - encode output\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",
@@ -100,7 +189,15 @@ int MAIN(int argc, char **argv)
        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;
 
@@ -118,15 +215,23 @@ int MAIN(int argc, char **argv)
                int chunk;
 
                chunk = num;
-               if (chunk > sizeof buf)
+               if (chunk > (int)sizeof(buf))
                        chunk = sizeof buf;
                r = RAND_bytes(buf, chunk);
                if (r <= 0)
                        goto err;
-               BIO_write(out, buf, chunk);
+               if (!hex) 
+                       BIO_write(out, buf, chunk);
+               else
+                       {
+                       for (i = 0; i < chunk; i++)
+                               BIO_printf(out, "%02x", buf[i]);
+                       }
                num -= chunk;
                }
-       BIO_flush(out);
+       if (hex)
+               BIO_puts(out, "\n");
+       (void)BIO_flush(out);
 
        app_RAND_write_file(NULL, bio_err);
        ret = 0;
@@ -135,5 +240,6 @@ err:
        ERR_print_errors(bio_err);
        if (out)
                BIO_free_all(out);
-       EXIT(ret);
+       apps_shutdown();
+       OPENSSL_EXIT(ret);
        }