apps/engine.c

   1 /* apps/engine.c -*- mode: C; c-file-style: "eay" -*- */
   2 /* Written by Richard Levitte <richard@levitte.org> for the OpenSSL
   3  * project 2000.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2000 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
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <string.h>
  62 #ifdef NO_STDIO
  63 #define APPS_WIN16
  64 #endif
  65 #include "apps.h"
  66 #include <openssl/err.h>
  67 #include <openssl/engine.h>
  68 #include <openssl/ssl.h>
  69
  70 #undef PROG
  71 #define PROG    engine_main
  72
  73 static char *engine_usage[]={
  74 "usage: engine opts [engine ...]\n",
  75 " -v          - verbose mode, a textual listing of the engines in OpenSSL\n",
  76 #if 0
  77 " -c          - for each engine, also list the capabilities\n",
  78 #endif
  79 " -t          - for each engine, check that they are really available\n",
  80 NULL
  81 };
  82
  83 static void identity(void *ptr)
  84         {
  85         return;
  86         }
  87
  88 int MAIN(int, char **);
  89
  90 int MAIN(int argc, char **argv)
  91         {
  92         int ret=1,i;
  93         char **pp;
  94         int verbose=0, list_cap=0, test_avail=0;
  95         ENGINE *e;
  96         STACK *engines = sk_new_null();
  97         int badops=0;
  98         BIO *bio_out=NULL;
  99
 100         apps_startup();
 101
 102         if (bio_err == NULL)
 103                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 104         bio_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 105 #ifdef VMS
 106         {
 107         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 108         bio_out = BIO_push(tmpbio, bio_out);
 109         }
 110 #endif
 111
 112         argc--;
 113         argv++;
 114         while (argc >= 1)
 115                 {
 116                 if (strcmp(*argv,"-v") == 0)
 117                         verbose=1;
 118                 else if (strcmp(*argv,"-c") == 0)
 119                         {
 120                         list_cap=1;
 121
 122                         /* When list_cap is implemented. remove the following
 123                          * 3 lines.
 124                          */
 125                         BIO_printf(bio_err, "-c not yet supported\n");
 126                         badops=1;
 127                         break;
 128                         }
 129                 else if (strcmp(*argv,"-t") == 0)
 130                         test_avail=1;
 131                 else if ((strncmp(*argv,"-h",2) == 0) ||
 132                          (strcmp(*argv,"-?") == 0))
 133                         {
 134                         badops=1;
 135                         break;
 136                         }
 137                 else
 138                         {
 139                         sk_push(engines,*argv);
 140                         }
 141                 argc--;
 142                 argv++;
 143                 }
 144
 145         if (badops)
 146                 {
 147                 for (pp=engine_usage; (*pp != NULL); pp++)
 148                         BIO_printf(bio_err,"%s",*pp);
 149                 goto end;
 150                 }
 151
 152         if (sk_num(engines) == 0)
 153                 {
 154                 for(e = ENGINE_get_first(); e != NULL; e = ENGINE_get_next(e))
 155                         {
 156                         sk_push(engines,(char *)ENGINE_get_id(e));
 157                         }
 158                 }
 159
 160         for (i=0; i<sk_num(engines); i++)
 161                 {
 162                 const char *id = sk_value(engines,i);
 163                 if ((e = ENGINE_by_id(id)) != NULL)
 164                         {
 165                         const char *name = ENGINE_get_name(e);
 166                         BIO_printf(bio_out, "%s (%s)", name, id);
 167                         if (list_cap || test_avail)
 168                                 BIO_printf(bio_out, ": ");
 169                         if (test_avail)
 170                                 {
 171                                 if (ENGINE_init(e))
 172                                         {
 173                                         BIO_printf(bio_out, "available");
 174                                         ENGINE_finish(e);
 175                                         }
 176                                 else
 177                                         {
 178                                         BIO_printf(bio_out, "unavailable");
 179                                         }
 180                                 }
 181                         BIO_printf(bio_out, "\n");
 182                         }
 183                 else
 184                         BIO_printf(bio_err, "Engine %s does not exist\n", id);
 185                 }
 186
 187         ret=0;
 188         if (0)
 189                 {
 190 err:
 191                 SSL_load_error_strings();
 192                 ERR_print_errors(bio_err);
 193                 }
 194 end:
 195         sk_pop_free(engines, identity);
 196         if (bio_out != NULL) BIO_free_all(bio_out);
 197         EXIT(ret);
 198         }
 199