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- /* apps/engine.c -*- mode: C; c-file-style: "eay" -*- */
- /* Written by Richard Levitte <richard@levitte.org> for the OpenSSL
- * project 2000.
- */
- /* ====================================================================
- * Copyright (c) 2000 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
- * licensing@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 <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #ifdef OPENSSL_NO_STDIO
- #define APPS_WIN16
- #endif
- #include "apps.h"
- #include <openssl/err.h>
- #include <openssl/engine.h>
- #include <openssl/ssl.h>
- #undef PROG
- #define PROG engine_main
- static char *engine_usage[]={
- "usage: engine opts [engine ...]\n",
- " -v - verbose mode, a textual listing of the engines in OpenSSL\n",
- " -c - for each engine, also list the capabilities\n",
- " -t - for each engine, check that they are really available\n",
- NULL
- };
- static void identity(void *ptr)
- {
- return;
- }
- static int append_buf(char **buf, char *s, int *size, int step)
- {
- int l = strlen(s);
- if (*buf == NULL)
- {
- *size = step;
- *buf = OPENSSL_malloc(*size);
- if (*buf == NULL)
- return 0;
- **buf = '\0';
- }
- if (**buf != '\0')
- l += 2; /* ", " */
- if (strlen(*buf) + strlen(s) >= (unsigned int)*size)
- {
- *size += step;
- *buf = OPENSSL_realloc(*buf, *size);
- }
- if (*buf == NULL)
- return 0;
- if (**buf != '\0')
- strcat(*buf, ", ");
- strcat(*buf, s);
- return 1;
- }
- int MAIN(int, char **);
- int MAIN(int argc, char **argv)
- {
- int ret=1,i;
- char **pp;
- int verbose=0, list_cap=0, test_avail=0;
- ENGINE *e;
- STACK *engines = sk_new_null();
- int badops=0;
- BIO *bio_out=NULL;
- apps_startup();
- SSL_load_error_strings();
- if (bio_err == NULL)
- bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
- bio_out=BIO_new_fp(stdout,BIO_NOCLOSE);
- #ifdef OPENSSL_SYS_VMS
- {
- BIO *tmpbio = BIO_new(BIO_f_linebuffer());
- bio_out = BIO_push(tmpbio, bio_out);
- }
- #endif
- argc--;
- argv++;
- while (argc >= 1)
- {
- if (strcmp(*argv,"-v") == 0)
- verbose=1;
- else if (strcmp(*argv,"-c") == 0)
- list_cap=1;
- else if (strcmp(*argv,"-t") == 0)
- test_avail=1;
- else if ((strncmp(*argv,"-h",2) == 0) ||
- (strcmp(*argv,"-?") == 0))
- {
- badops=1;
- break;
- }
- else
- {
- sk_push(engines,*argv);
- }
- argc--;
- argv++;
- }
- if (badops)
- {
- for (pp=engine_usage; (*pp != NULL); pp++)
- BIO_printf(bio_err,"%s",*pp);
- goto end;
- }
- if (sk_num(engines) == 0)
- {
- for(e = ENGINE_get_first(); e != NULL; e = ENGINE_get_next(e))
- {
- sk_push(engines,(char *)ENGINE_get_id(e));
- }
- }
- for (i=0; i<sk_num(engines); i++)
- {
- const char *id = sk_value(engines,i);
- if ((e = ENGINE_by_id(id)) != NULL)
- {
- const char *name = ENGINE_get_name(e);
- BIO_printf(bio_out, "%s (%s)", name, id);
- if (list_cap || test_avail)
- BIO_printf(bio_out, ":");
- if (test_avail)
- {
- if (ENGINE_init(e))
- {
- BIO_printf(bio_out, " available");
- ENGINE_finish(e);
- }
- else
- {
- BIO_printf(bio_out, " unavailable");
- ERR_clear_error();
- }
- }
- if (list_cap)
- {
- int cap_size = 256;
- char *cap_buf = NULL;
- if (ENGINE_get_RSA(e) != NULL
- && !append_buf(&cap_buf, "RSA",
- &cap_size, 256))
- goto end;
- if (ENGINE_get_DSA(e) != NULL
- && !append_buf(&cap_buf, "DSA",
- &cap_size, 256))
- goto end;
- if (ENGINE_get_DH(e) != NULL
- && !append_buf(&cap_buf, "DH",
- &cap_size, 256))
- goto end;
- if (ENGINE_get_RAND(e) != NULL
- && !append_buf(&cap_buf, "RAND",
- &cap_size, 256))
- goto end;
- if (*cap_buf != '\0')
- BIO_printf(bio_out, " [%s]", cap_buf);
- OPENSSL_free(cap_buf);
- }
- BIO_printf(bio_out, "\n");
- }
- else
- ERR_print_errors(bio_err);
- }
- ret=0;
- end:
- ERR_print_errors(bio_err);
- sk_pop_free(engines, identity);
- if (bio_out != NULL) BIO_free_all(bio_out);
- EXIT(ret);
- }
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