crypto/external/bsd/openssl/dist/apps/pkeyparam.c

   1 /* apps/pkeyparam.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project 2006
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58 #include <stdio.h>
  59 #include <string.h>
  60 #include "apps.h"
  61 #include <openssl/pem.h>
  62 #include <openssl/err.h>
  63 #include <openssl/evp.h>
  64
  65 #define PROG pkeyparam_main
  66
  67 int MAIN(int, char **);
  68
  69 int MAIN(int argc, char **argv)
  70         {
  71         char **args, *infile = NULL, *outfile = NULL;
  72         BIO *in = NULL, *out = NULL;
  73         int text = 0, noout = 0;
  74         EVP_PKEY *pkey=NULL;
  75         int badarg = 0;
  76 #ifndef OPENSSL_NO_ENGINE
  77         ENGINE *e = NULL;
  78         char *engine=NULL;
  79 #endif
  80         int ret = 1;
  81
  82         if (bio_err == NULL)
  83                 bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
  84
  85         if (!load_config(bio_err, NULL))
  86                 goto end;
  87
  88         ERR_load_crypto_strings();
  89         OpenSSL_add_all_algorithms();
  90         args = argv + 1;
  91         while (!badarg && *args && *args[0] == '-')
  92                 {
  93                 if (!strcmp (*args, "-in"))
  94                         {
  95                         if (args[1])
  96                                 {
  97                                 args++;
  98                                 infile = *args;
  99                                 }
 100                         else badarg = 1;
 101                         }
 102                 else if (!strcmp (*args, "-out"))
 103                         {
 104                         if (args[1])
 105                                 {
 106                                 args++;
 107                                 outfile = *args;
 108                                 }
 109                         else badarg = 1;
 110                         }
 111 #ifndef OPENSSL_NO_ENGINE
 112                 else if (strcmp(*args,"-engine") == 0)
 113                         {
 114                         if (!args[1]) goto bad;
 115                         engine= *(++args);
 116                         }
 117 #endif
 118
 119                 else if (strcmp(*args,"-text") == 0)
 120                         text=1;
 121                 else if (strcmp(*args,"-noout") == 0)
 122                         noout=1;
 123                 args++;
 124                 }
 125
 126         if (badarg)
 127                 {
 128 #ifndef OPENSSL_NO_ENGINE
 129                 bad:
 130 #endif
 131                 BIO_printf(bio_err, "Usage pkeyparam [options]\n");
 132                 BIO_printf(bio_err, "where options are\n");
 133                 BIO_printf(bio_err, "-in file        input file\n");
 134                 BIO_printf(bio_err, "-out file       output file\n");
 135                 BIO_printf(bio_err, "-text           print parameters as text\n");
 136                 BIO_printf(bio_err, "-noout          don't output encoded parameters\n");
 137 #ifndef OPENSSL_NO_ENGINE
 138                 BIO_printf(bio_err, "-engine e       use engine e, possibly a hardware device.\n");
 139 #endif
 140                 return 1;
 141                 }
 142
 143 #ifndef OPENSSL_NO_ENGINE
 144         e = setup_engine(bio_err, engine, 0);
 145 #endif
 146
 147         if (infile)
 148                 {
 149                 if (!(in = BIO_new_file (infile, "r")))
 150                         {
 151                         BIO_printf(bio_err,
 152                                  "Can't open input file %s\n", infile);
 153                         goto end;
 154                         }
 155                 }
 156         else
 157                 in = BIO_new_fp (stdin, BIO_NOCLOSE);
 158
 159         if (outfile)
 160                 {
 161                 if (!(out = BIO_new_file (outfile, "w")))
 162                         {
 163                         BIO_printf(bio_err,
 164                                  "Can't open output file %s\n", outfile);
 165                         goto end;
 166                         }
 167                 }
 168         else
 169                 {
 170                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
 171 #ifdef OPENSSL_SYS_VMS
 172                         {
 173                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 174                         out = BIO_push(tmpbio, out);
 175                         }
 176 #endif
 177                 }
 178
 179         pkey = PEM_read_bio_Parameters(in, NULL);
 180         if (!pkey)
 181                 {
 182                 BIO_printf(bio_err, "Error reading parameters\n");
 183                 ERR_print_errors(bio_err);
 184                 goto end;
 185                 }
 186
 187         if (!noout)
 188                 PEM_write_bio_Parameters(out,pkey);
 189
 190         if (text)
 191                 EVP_PKEY_print_params(out, pkey, 0, NULL);
 192
 193         ret = 0;
 194
 195         end:
 196         EVP_PKEY_free(pkey);
 197         BIO_free_all(out);
 198         BIO_free(in);
 199
 200         return ret;
 201         }