1/* apps/pkey.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 pkey_main
66
67int MAIN(int, char **);
68
69int MAIN(int argc, char **argv)
70	{
71	ENGINE *e = NULL;
72	char **args, *infile = NULL, *outfile = NULL;
73	char *passargin = NULL, *passargout = NULL;
74	BIO *in = NULL, *out = NULL;
75	const EVP_CIPHER *cipher = NULL;
76	int informat, outformat;
77	int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0;
78	EVP_PKEY *pkey=NULL;
79	char *passin = NULL, *passout = NULL;
80	int badarg = 0;
81#ifndef OPENSSL_NO_ENGINE
82	char *engine=NULL;
83#endif
84	int ret = 1;
85
86	if (bio_err == NULL)
87		bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
88
89	if (!load_config(bio_err, NULL))
90		goto end;
91
92	informat=FORMAT_PEM;
93	outformat=FORMAT_PEM;
94
95	ERR_load_crypto_strings();
96	OpenSSL_add_all_algorithms();
97	args = argv + 1;
98	while (!badarg && *args && *args[0] == '-')
99		{
100		if (!strcmp(*args,"-inform"))
101			{
102			if (args[1])
103				{
104				args++;
105				informat=str2fmt(*args);
106				}
107			else badarg = 1;
108			}
109		else if (!strcmp(*args,"-outform"))
110			{
111			if (args[1])
112				{
113				args++;
114				outformat=str2fmt(*args);
115				}
116			else badarg = 1;
117			}
118		else if (!strcmp(*args,"-passin"))
119			{
120			if (!args[1]) goto bad;
121			passargin= *(++args);
122			}
123		else if (!strcmp(*args,"-passout"))
124			{
125			if (!args[1]) goto bad;
126			passargout= *(++args);
127			}
128#ifndef OPENSSL_NO_ENGINE
129		else if (strcmp(*args,"-engine") == 0)
130			{
131			if (!args[1]) goto bad;
132			engine= *(++args);
133			}
134#endif
135		else if (!strcmp (*args, "-in"))
136			{
137			if (args[1])
138				{
139				args++;
140				infile = *args;
141				}
142			else badarg = 1;
143			}
144		else if (!strcmp (*args, "-out"))
145			{
146			if (args[1])
147				{
148				args++;
149				outfile = *args;
150				}
151			else badarg = 1;
152			}
153		else if (strcmp(*args,"-pubin") == 0)
154			{
155			pubin=1;
156			pubout=1;
157			pubtext=1;
158			}
159		else if (strcmp(*args,"-pubout") == 0)
160			pubout=1;
161		else if (strcmp(*args,"-text_pub") == 0)
162			{
163			pubtext=1;
164			text=1;
165			}
166		else if (strcmp(*args,"-text") == 0)
167			text=1;
168		else if (strcmp(*args,"-noout") == 0)
169			noout=1;
170		else
171			{
172			cipher = EVP_get_cipherbyname(*args + 1);
173			if (!cipher)
174				{
175				BIO_printf(bio_err, "Unknown cipher %s\n",
176								*args + 1);
177				badarg = 1;
178				}
179			}
180		args++;
181		}
182
183	if (badarg)
184		{
185		bad:
186		BIO_printf(bio_err, "Usage pkey [options]\n");
187		BIO_printf(bio_err, "where options are\n");
188		BIO_printf(bio_err, "-in file        input file\n");
189		BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
190		BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
191		BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
192		BIO_printf(bio_err, "-out file       output file\n");
193		BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
194#ifndef OPENSSL_NO_ENGINE
195		BIO_printf(bio_err, "-engine e       use engine e, possibly a hardware device.\n");
196#endif
197		return 1;
198		}
199
200#ifndef OPENSSL_NO_ENGINE
201        e = setup_engine(bio_err, engine, 0);
202#endif
203
204	if (!app_passwd(bio_err, passargin, passargout, &passin, &passout))
205		{
206		BIO_printf(bio_err, "Error getting passwords\n");
207		goto end;
208		}
209
210	if (outfile)
211		{
212		if (!(out = BIO_new_file (outfile, "wb")))
213			{
214			BIO_printf(bio_err,
215				 "Can't open output file %s\n", outfile);
216			goto end;
217			}
218		}
219	else
220		{
221		out = BIO_new_fp (stdout, BIO_NOCLOSE);
222#ifdef OPENSSL_SYS_VMS
223			{
224			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
225			out = BIO_push(tmpbio, out);
226			}
227#endif
228		}
229
230	if (pubin)
231		pkey = load_pubkey(bio_err, infile, informat, 1,
232			passin, e, "Public Key");
233	else
234		pkey = load_key(bio_err, infile, informat, 1,
235			passin, e, "key");
236	if (!pkey)
237		goto end;
238
239	if (!noout)
240		{
241		if (outformat == FORMAT_PEM)
242			{
243			if (pubout)
244				PEM_write_bio_PUBKEY(out,pkey);
245			else
246				PEM_write_bio_PrivateKey(out, pkey, cipher,
247							NULL, 0, NULL, passout);
248			}
249		else if (outformat == FORMAT_ASN1)
250			{
251			if (pubout)
252				i2d_PUBKEY_bio(out, pkey);
253			else
254				i2d_PrivateKey_bio(out, pkey);
255			}
256		else
257			{
258			BIO_printf(bio_err, "Bad format specified for key\n");
259			goto end;
260			}
261
262		}
263
264	if (text)
265		{
266		if (pubtext)
267			EVP_PKEY_print_public(out, pkey, 0, NULL);
268		else
269			EVP_PKEY_print_private(out, pkey, 0, NULL);
270		}
271
272	ret = 0;
273
274	end:
275	EVP_PKEY_free(pkey);
276	BIO_free_all(out);
277	BIO_free(in);
278	if (passin)
279		OPENSSL_free(passin);
280	if (passout)
281		OPENSSL_free(passout);
282
283	return ret;
284	}
285