Return to pkcs7.c CVS log

Up to [local] / src / usr.bin / openssl

openssl_setup() calls SSL_load_error_strings(), which happens to call
ERR_load_crypto_strings() - as such, we do not need to call the same
function from most of the applications.

/* $OpenBSD: pkcs7.c,v 1.2 2014/08/28 14:23:52 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * 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 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 acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS 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 AUTHOR OR 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.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#include "apps.h"

#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/pem.h>
#include <openssl/pkcs7.h>
#include <openssl/x509.h>

/* -inform arg	- input format - default PEM (DER or PEM)
 * -outform arg - output format - default PEM
 * -in arg	- input file - default stdin
 * -out arg	- output file - default stdout
 * -print_certs
 */

int pkcs7_main(int, char **);

int
pkcs7_main(int argc, char **argv)
{
	PKCS7 *p7 = NULL;
	int i, badops = 0;
	BIO *in = NULL, *out = NULL;
	int informat, outformat;
	char *infile, *outfile, *prog;
	int print_certs = 0, text = 0, noout = 0, p7_print = 0;
	int ret = 1;
#ifndef OPENSSL_NO_ENGINE
	char *engine = NULL;
#endif

	infile = NULL;
	outfile = NULL;
	informat = FORMAT_PEM;
	outformat = FORMAT_PEM;

	prog = argv[0];
	argc--;
	argv++;
	while (argc >= 1) {
		if (strcmp(*argv, "-inform") == 0) {
			if (--argc < 1)
				goto bad;
			informat = str2fmt(*(++argv));
		} else if (strcmp(*argv, "-outform") == 0) {
			if (--argc < 1)
				goto bad;
			outformat = str2fmt(*(++argv));
		} else if (strcmp(*argv, "-in") == 0) {
			if (--argc < 1)
				goto bad;
			infile = *(++argv);
		} else if (strcmp(*argv, "-out") == 0) {
			if (--argc < 1)
				goto bad;
			outfile = *(++argv);
		} else if (strcmp(*argv, "-noout") == 0)
			noout = 1;
		else if (strcmp(*argv, "-text") == 0)
			text = 1;
		else if (strcmp(*argv, "-print") == 0)
			p7_print = 1;
		else if (strcmp(*argv, "-print_certs") == 0)
			print_certs = 1;
#ifndef OPENSSL_NO_ENGINE
		else if (strcmp(*argv, "-engine") == 0) {
			if (--argc < 1)
				goto bad;
			engine = *(++argv);
		}
#endif
		else {
			BIO_printf(bio_err, "unknown option %s\n", *argv);
			badops = 1;
			break;
		}
		argc--;
		argv++;
	}

	if (badops) {
bad:
		BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
		BIO_printf(bio_err, "where options are\n");
		BIO_printf(bio_err, " -inform arg   input format - DER or PEM\n");
		BIO_printf(bio_err, " -outform arg  output format - DER or PEM\n");
		BIO_printf(bio_err, " -in arg       input file\n");
		BIO_printf(bio_err, " -out arg      output file\n");
		BIO_printf(bio_err, " -print_certs  print any certs or crl in the input\n");
		BIO_printf(bio_err, " -text         print full details of certificates\n");
		BIO_printf(bio_err, " -noout        don't output encoded data\n");
#ifndef OPENSSL_NO_ENGINE
		BIO_printf(bio_err, " -engine e     use engine e, possibly a hardware device.\n");
#endif
		ret = 1;
		goto end;
	}

#ifndef OPENSSL_NO_ENGINE
	setup_engine(bio_err, engine, 0);
#endif

	in = BIO_new(BIO_s_file());
	out = BIO_new(BIO_s_file());
	if ((in == NULL) || (out == NULL)) {
		ERR_print_errors(bio_err);
		goto end;
	}
	if (infile == NULL)
		BIO_set_fp(in, stdin, BIO_NOCLOSE);
	else {
		if (BIO_read_filename(in, infile) <= 0)
			if (in == NULL) {
				perror(infile);
				goto end;
			}
	}

	if (informat == FORMAT_ASN1)
		p7 = d2i_PKCS7_bio(in, NULL);
	else if (informat == FORMAT_PEM)
		p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
	else {
		BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
		goto end;
	}
	if (p7 == NULL) {
		BIO_printf(bio_err, "unable to load PKCS7 object\n");
		ERR_print_errors(bio_err);
		goto end;
	}
	if (outfile == NULL) {
		BIO_set_fp(out, stdout, BIO_NOCLOSE);
	} else {
		if (BIO_write_filename(out, outfile) <= 0) {
			perror(outfile);
			goto end;
		}
	}

	if (p7_print)
		PKCS7_print_ctx(out, p7, 0, NULL);

	if (print_certs) {
		STACK_OF(X509) * certs = NULL;
		STACK_OF(X509_CRL) * crls = NULL;

		i = OBJ_obj2nid(p7->type);
		switch (i) {
		case NID_pkcs7_signed:
			certs = p7->d.sign->cert;
			crls = p7->d.sign->crl;
			break;
		case NID_pkcs7_signedAndEnveloped:
			certs = p7->d.signed_and_enveloped->cert;
			crls = p7->d.signed_and_enveloped->crl;
			break;
		default:
			break;
		}

		if (certs != NULL) {
			X509 *x;

			for (i = 0; i < sk_X509_num(certs); i++) {
				x = sk_X509_value(certs, i);
				if (text)
					X509_print(out, x);
				else
					dump_cert_text(out, x);

				if (!noout)
					PEM_write_bio_X509(out, x);
				BIO_puts(out, "\n");
			}
		}
		if (crls != NULL) {
			X509_CRL *crl;

			for (i = 0; i < sk_X509_CRL_num(crls); i++) {
				crl = sk_X509_CRL_value(crls, i);

				X509_CRL_print(out, crl);

				if (!noout)
					PEM_write_bio_X509_CRL(out, crl);
				BIO_puts(out, "\n");
			}
		}
		ret = 0;
		goto end;
	}
	if (!noout) {
		if (outformat == FORMAT_ASN1)
			i = i2d_PKCS7_bio(out, p7);
		else if (outformat == FORMAT_PEM)
			i = PEM_write_bio_PKCS7(out, p7);
		else {
			BIO_printf(bio_err, "bad output format specified for outfile\n");
			goto end;
		}

		if (!i) {
			BIO_printf(bio_err, "unable to write pkcs7 object\n");
			ERR_print_errors(bio_err);
			goto end;
		}
	}
	ret = 0;
end:
	if (p7 != NULL)
		PKCS7_free(p7);
	if (in != NULL)
		BIO_free(in);
	if (out != NULL)
		BIO_free_all(out);

	return (ret);
}