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/* $OpenBSD: pkey.c,v 1.15 2019/07/14 03:30:46 guenther Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2006
*/
/* ====================================================================
* Copyright (c) 2006 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 <string.h>
#include "apps.h"
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/pem.h>
static struct {
const EVP_CIPHER *cipher;
char *infile;
int informat;
int noout;
char *outfile;
int outformat;
char *passargin;
char *passargout;
int pubin;
int pubout;
int pubtext;
int text;
} pkey_config;
static int
pkey_opt_cipher(int argc, char **argv, int *argsused)
{
char *name = argv[0];
if (*name++ != '-')
return (1);
if ((pkey_config.cipher = EVP_get_cipherbyname(name)) == NULL) {
BIO_printf(bio_err, "Unknown cipher %s\n", name);
return (1);
}
*argsused = 1;
return (0);
}
static const struct option pkey_options[] = {
{
.name = "in",
.argname = "file",
.desc = "Input file (default stdin)",
.type = OPTION_ARG,
.opt.arg = &pkey_config.infile,
},
{
.name = "inform",
.argname = "format",
.desc = "Input format (DER or PEM (default))",
.type = OPTION_ARG_FORMAT,
.opt.value = &pkey_config.informat,
},
{
.name = "noout",
.desc = "Do not print encoded version of the key",
.type = OPTION_FLAG,
.opt.flag = &pkey_config.noout,
},
{
.name = "out",
.argname = "file",
.desc = "Output file (default stdout)",
.type = OPTION_ARG,
.opt.arg = &pkey_config.outfile,
},
{
.name = "outform",
.argname = "format",
.desc = "Output format (DER or PEM (default))",
.type = OPTION_ARG_FORMAT,
.opt.value = &pkey_config.outformat,
},
{
.name = "passin",
.argname = "src",
.desc = "Input file passphrase source",
.type = OPTION_ARG,
.opt.arg = &pkey_config.passargin,
},
{
.name = "passout",
.argname = "src",
.desc = "Output file passphrase source",
.type = OPTION_ARG,
.opt.arg = &pkey_config.passargout,
},
{
.name = "pubin",
.desc = "Expect a public key (default private key)",
.type = OPTION_VALUE,
.value = 1,
.opt.value = &pkey_config.pubin,
},
{
.name = "pubout",
.desc = "Output a public key (default private key)",
.type = OPTION_VALUE,
.value = 1,
.opt.value = &pkey_config.pubout,
},
{
.name = "text",
.desc = "Print the public/private key in plain text",
.type = OPTION_FLAG,
.opt.flag = &pkey_config.text,
},
{
.name = "text_pub",
.desc = "Print out only public key in plain text",
.type = OPTION_FLAG,
.opt.flag = &pkey_config.pubtext,
},
{
.name = NULL,
.type = OPTION_ARGV_FUNC,
.opt.argvfunc = pkey_opt_cipher,
},
{ NULL }
};
static void
pkey_usage()
{
int n = 0;
fprintf(stderr,
"usage: pkey [-ciphername] [-in file] [-inform fmt] [-noout] "
"[-out file]\n"
" [-outform fmt] [-passin src] [-passout src] [-pubin] "
"[-pubout] [-text]\n"
" [-text_pub]\n\n");
options_usage(pkey_options);
fprintf(stderr, "\n");
fprintf(stderr, "Valid ciphername values:\n\n");
OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, show_cipher, &n);
fprintf(stderr, "\n");
}
int
pkey_main(int argc, char **argv)
{
BIO *in = NULL, *out = NULL;
EVP_PKEY *pkey = NULL;
char *passin = NULL, *passout = NULL;
int ret = 1;
if (single_execution) {
if (pledge("stdio cpath wpath rpath tty", NULL) == -1) {
perror("pledge");
exit(1);
}
}
memset(&pkey_config, 0, sizeof(pkey_config));
pkey_config.informat = FORMAT_PEM;
pkey_config.outformat = FORMAT_PEM;
if (options_parse(argc, argv, pkey_options, NULL, NULL) != 0) {
pkey_usage();
goto end;
}
if (pkey_config.pubtext)
pkey_config.text = 1;
if (pkey_config.pubin)
pkey_config.pubout = pkey_config.pubtext = 1;
if (!app_passwd(bio_err, pkey_config.passargin, pkey_config.passargout,
&passin, &passout)) {
BIO_printf(bio_err, "Error getting passwords\n");
goto end;
}
if (pkey_config.outfile) {
if (!(out = BIO_new_file(pkey_config.outfile, "wb"))) {
BIO_printf(bio_err,
"Can't open output file %s\n", pkey_config.outfile);
goto end;
}
} else {
out = BIO_new_fp(stdout, BIO_NOCLOSE);
}
if (pkey_config.pubin)
pkey = load_pubkey(bio_err, pkey_config.infile,
pkey_config.informat, 1, passin, "Public Key");
else
pkey = load_key(bio_err, pkey_config.infile,
pkey_config.informat, 1, passin, "key");
if (!pkey)
goto end;
if (!pkey_config.noout) {
if (pkey_config.outformat == FORMAT_PEM) {
if (pkey_config.pubout)
PEM_write_bio_PUBKEY(out, pkey);
else
PEM_write_bio_PrivateKey(out, pkey,
pkey_config.cipher, NULL, 0, NULL, passout);
} else if (pkey_config.outformat == FORMAT_ASN1) {
if (pkey_config.pubout)
i2d_PUBKEY_bio(out, pkey);
else
i2d_PrivateKey_bio(out, pkey);
} else {
BIO_printf(bio_err, "Bad format specified for key\n");
goto end;
}
}
if (pkey_config.text) {
if (pkey_config.pubtext)
EVP_PKEY_print_public(out, pkey, 0, NULL);
else
EVP_PKEY_print_private(out, pkey, 0, NULL);
}
ret = 0;
end:
EVP_PKEY_free(pkey);
BIO_free_all(out);
BIO_free(in);
free(passin);
free(passout);
return ret;
}
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