GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/openssl/pkcs7.c Lines: 54 88 61.4 %
Date: 2017-11-07 Branches: 32 59 54.2 %

Line Branch Exec Source
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/* $OpenBSD: pkcs7.c,v 1.9 2017/01/20 08:57:12 deraadt Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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 * All rights reserved.
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 *
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 * This package is an SSL implementation written
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 * by Eric Young (eay@cryptsoft.com).
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 * The implementation was written so as to conform with Netscapes SSL.
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 *
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 * This library is free for commercial and non-commercial use as long as
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 * the following conditions are aheared to.  The following conditions
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 * apply to all code found in this distribution, be it the RC4, RSA,
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 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
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 * included with this distribution is covered by the same copyright terms
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 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
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 *
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 * Copyright remains Eric Young's, and as such any Copyright notices in
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 * the code are not to be removed.
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 * If this package is used in a product, Eric Young should be given attribution
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 * as the author of the parts of the library used.
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 * This can be in the form of a textual message at program startup or
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 * in documentation (online or textual) provided with the package.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *    "This product includes cryptographic software written by
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 *     Eric Young (eay@cryptsoft.com)"
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 *    The word 'cryptographic' can be left out if the rouines from the library
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 *    being used are not cryptographic related :-).
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 * 4. If you include any Windows specific code (or a derivative thereof) from
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 *    the apps directory (application code) you must include an acknowledgement:
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 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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 *
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 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 * The licence and distribution terms for any publically available version or
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 * derivative of this code cannot be changed.  i.e. this code cannot simply be
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 * copied and put under another distribution licence
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 * [including the GNU Public Licence.]
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "apps.h"
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/pem.h>
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#include <openssl/pkcs7.h>
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#include <openssl/x509.h>
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static struct {
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	char *infile;
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	int informat;
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	int noout;
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	char *outfile;
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	int outformat;
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	int p7_print;
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	int print_certs;
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	int text;
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} pkcs7_config;
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static struct option pkcs7_options[] = {
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	{
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		.name = "in",
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		.argname = "file",
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		.desc = "Input file (default stdin)",
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		.type = OPTION_ARG,
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		.opt.arg = &pkcs7_config.infile,
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	},
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	{
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		.name = "inform",
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		.argname = "format",
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		.desc = "Input format (DER or PEM (default))",
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		.type = OPTION_ARG_FORMAT,
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		.opt.value = &pkcs7_config.informat,
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	},
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	{
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		.name = "noout",
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		.desc = "Do not output encoded version of PKCS#7 structure",
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		.type = OPTION_FLAG,
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		.opt.flag = &pkcs7_config.noout,
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	},
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	{
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		.name = "out",
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		.argname = "file",
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		.desc = "Output file (default stdout)",
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		.type = OPTION_ARG,
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		.opt.arg = &pkcs7_config.outfile,
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	},
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	{
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		.name = "outform",
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		.argname = "format",
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		.desc = "Output format (DER or PEM (default))",
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		.type = OPTION_ARG_FORMAT,
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		.opt.value = &pkcs7_config.outformat,
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	},
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	{
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		.name = "print",
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		.desc = "Output ASN.1 representation of PKCS#7 structure",
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		.type = OPTION_FLAG,
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		.opt.flag = &pkcs7_config.p7_print,
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	},
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	{
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		.name = "print_certs",
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		.desc = "Print out any certificates or CRLs contained in file",
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		.type = OPTION_FLAG,
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		.opt.flag = &pkcs7_config.print_certs,
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	},
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	{
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		.name = "text",
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		.desc = "Print out full certificate details",
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		.type = OPTION_FLAG,
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		.opt.flag = &pkcs7_config.text,
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	},
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	{ NULL },
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};
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static void
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pkcs7_usage()
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{
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	fprintf(stderr, "usage: pkcs7 [-in file] "
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	    "[-inform DER | PEM] [-noout]\n"
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	    "    [-out file] [-outform DER | PEM] [-print_certs] [-text]\n\n");
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        options_usage(pkcs7_options);
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}
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int
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pkcs7_main(int argc, char **argv)
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{
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	PKCS7 *p7 = NULL;
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	BIO *in = NULL, *out = NULL;
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	int ret = 1;
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	int i;
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157
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	if (single_execution) {
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		if (pledge("stdio cpath wpath rpath flock", NULL) == -1) {
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			perror("pledge");
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			exit(1);
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		}
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	}
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	memset(&pkcs7_config, 0, sizeof(pkcs7_config));
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	pkcs7_config.informat = FORMAT_PEM;
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	pkcs7_config.outformat = FORMAT_PEM;
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	if (options_parse(argc, argv, pkcs7_options, NULL, NULL) != 0) {
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		pkcs7_usage();
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		goto end;
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	}
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	in = BIO_new(BIO_s_file());
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	out = BIO_new(BIO_s_file());
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	if ((in == NULL) || (out == NULL)) {
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		ERR_print_errors(bio_err);
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		goto end;
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	}
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	if (pkcs7_config.infile == NULL)
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		BIO_set_fp(in, stdin, BIO_NOCLOSE);
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	else {
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		if (BIO_read_filename(in, pkcs7_config.infile) <= 0) {
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			perror(pkcs7_config.infile);
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			goto end;
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		}
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	}
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	if (pkcs7_config.informat == FORMAT_ASN1)
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		p7 = d2i_PKCS7_bio(in, NULL);
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	else if (pkcs7_config.informat == FORMAT_PEM)
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		p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
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	else {
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		BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
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		goto end;
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	}
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	if (p7 == NULL) {
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		BIO_printf(bio_err, "unable to load PKCS7 object\n");
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		ERR_print_errors(bio_err);
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		goto end;
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	}
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	if (pkcs7_config.outfile == NULL) {
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		BIO_set_fp(out, stdout, BIO_NOCLOSE);
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	} else {
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		if (BIO_write_filename(out, pkcs7_config.outfile) <= 0) {
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			perror(pkcs7_config.outfile);
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			goto end;
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		}
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	}
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	if (pkcs7_config.p7_print)
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		PKCS7_print_ctx(out, p7, 0, NULL);
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	if (pkcs7_config.print_certs) {
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		STACK_OF(X509) * certs = NULL;
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		STACK_OF(X509_CRL) * crls = NULL;
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		i = OBJ_obj2nid(p7->type);
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		switch (i) {
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		case NID_pkcs7_signed:
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			certs = p7->d.sign->cert;
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			crls = p7->d.sign->crl;
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			break;
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		case NID_pkcs7_signedAndEnveloped:
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			certs = p7->d.signed_and_enveloped->cert;
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			crls = p7->d.signed_and_enveloped->crl;
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			break;
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		default:
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			break;
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		}
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		if (certs != NULL) {
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			X509 *x;
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			for (i = 0; i < sk_X509_num(certs); i++) {
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				x = sk_X509_value(certs, i);
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				if (pkcs7_config.text)
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					X509_print(out, x);
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				else
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					dump_cert_text(out, x);
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				if (!pkcs7_config.noout)
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					PEM_write_bio_X509(out, x);
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				BIO_puts(out, "\n");
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			}
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		}
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		if (crls != NULL) {
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			X509_CRL *crl;
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			for (i = 0; i < sk_X509_CRL_num(crls); i++) {
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				crl = sk_X509_CRL_value(crls, i);
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253
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				X509_CRL_print(out, crl);
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				if (!pkcs7_config.noout)
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					PEM_write_bio_X509_CRL(out, crl);
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				BIO_puts(out, "\n");
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			}
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		}
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		ret = 0;
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		goto end;
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	}
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	if (!pkcs7_config.noout) {
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		if (pkcs7_config.outformat == FORMAT_ASN1)
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			i = i2d_PKCS7_bio(out, p7);
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		else if (pkcs7_config.outformat == FORMAT_PEM)
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			i = PEM_write_bio_PKCS7(out, p7);
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		else {
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			BIO_printf(bio_err, "bad output format specified for outfile\n");
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			goto end;
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		}
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		if (!i) {
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			BIO_printf(bio_err, "unable to write pkcs7 object\n");
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			ERR_print_errors(bio_err);
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			goto end;
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		}
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	}
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	ret = 0;
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end:
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	if (p7 != NULL)
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8
		PKCS7_free(p7);
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16
	if (in != NULL)
284
8
		BIO_free(in);
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16
	if (out != NULL)
286
8
		BIO_free_all(out);
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288
16
	return (ret);
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}