Delete bundled copy of OpenSSL and replace with README.

openssl/apps/smime.c

Index: openssl/apps/smime.c
diff --git a/openssl/apps/smime.c b/openssl/apps/smime.c
deleted file mode 100644
index c583f8a0e16205bbf5b2bf56560aaafacfe0477e..0000000000000000000000000000000000000000
--- a/openssl/apps/smime.c
+++ /dev/null
@@ -1,857 +0,0 @@
-/* smime.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project.
- */
-/* ====================================================================
- * Copyright (c) 1999-2004 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).
- *
- */
-
-/* S/MIME utility function */
-
-#include <stdio.h>
-#include <string.h>
-#include "apps.h"
-#include <openssl/crypto.h>
-#include <openssl/pem.h>
-#include <openssl/err.h>
-#include <openssl/x509_vfy.h>
-#include <openssl/x509v3.h>
-
-#undef PROG
-#define PROG smime_main
-static int save_certs(char *signerfile, STACK_OF(X509) *signers);
-static int smime_cb(int ok, X509_STORE_CTX *ctx);
-
-#define SMIME_OP	0x10
-#define SMIME_IP	0x20
-#define SMIME_SIGNERS	0x40
-#define SMIME_ENCRYPT	(1 | SMIME_OP)
-#define SMIME_DECRYPT	(2 | SMIME_IP)
-#define SMIME_SIGN	(3 | SMIME_OP | SMIME_SIGNERS)
-#define SMIME_VERIFY	(4 | SMIME_IP)
-#define SMIME_PK7OUT	(5 | SMIME_IP | SMIME_OP)
-#define SMIME_RESIGN	(6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
-	{
-	ENGINE *e = NULL;
-	int operation = 0;
-	int ret = 0;
-	char **args;
-	const char *inmode = "r", *outmode = "w";
-	char *infile = NULL, *outfile = NULL;
-	char *signerfile = NULL, *recipfile = NULL;
-	STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
-	char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
-	const EVP_CIPHER *cipher = NULL;
-	PKCS7 *p7 = NULL;
-	X509_STORE *store = NULL;
-	X509 *cert = NULL, *recip = NULL, *signer = NULL;
-	EVP_PKEY *key = NULL;
-	STACK_OF(X509) *encerts = NULL, *other = NULL;
-	BIO *in = NULL, *out = NULL, *indata = NULL;
-	int badarg = 0;
-	int flags = PKCS7_DETACHED;
-	char *to = NULL, *from = NULL, *subject = NULL;
-	char *CAfile = NULL, *CApath = NULL;
-	char *passargin = NULL, *passin = NULL;
-	char *inrand = NULL;
-	int need_rand = 0;
-	int indef = 0;
-	const EVP_MD *sign_md = NULL;
-	int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
-        int keyform = FORMAT_PEM;
-#ifndef OPENSSL_NO_ENGINE
-	char *engine=NULL;
-#endif
-
-	X509_VERIFY_PARAM *vpm = NULL;
-
-	args = argv + 1;
-	ret = 1;
-
-	apps_startup();
-
-	if (bio_err == NULL)
-		{
-		if ((bio_err = BIO_new(BIO_s_file())) != NULL)
-			BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
-		}
-
-	if (!load_config(bio_err, NULL))
-		goto end;
-
-	while (!badarg && *args && *args[0] == '-')
-		{
-		if (!strcmp (*args, "-encrypt"))
-			operation = SMIME_ENCRYPT;
-		else if (!strcmp (*args, "-decrypt"))
-			operation = SMIME_DECRYPT;
-		else if (!strcmp (*args, "-sign"))
-			operation = SMIME_SIGN;
-		else if (!strcmp (*args, "-resign"))
-			operation = SMIME_RESIGN;
-		else if (!strcmp (*args, "-verify"))
-			operation = SMIME_VERIFY;
-		else if (!strcmp (*args, "-pk7out"))
-			operation = SMIME_PK7OUT;
-#ifndef OPENSSL_NO_DES
-		else if (!strcmp (*args, "-des3")) 
-				cipher = EVP_des_ede3_cbc();
-		else if (!strcmp (*args, "-des")) 
-				cipher = EVP_des_cbc();
-#endif
-#ifndef OPENSSL_NO_SEED
-		else if (!strcmp (*args, "-seed")) 
-				cipher = EVP_seed_cbc();
-#endif
-#ifndef OPENSSL_NO_RC2
-		else if (!strcmp (*args, "-rc2-40")) 
-				cipher = EVP_rc2_40_cbc();
-		else if (!strcmp (*args, "-rc2-128")) 
-				cipher = EVP_rc2_cbc();
-		else if (!strcmp (*args, "-rc2-64")) 
-				cipher = EVP_rc2_64_cbc();
-#endif
-#ifndef OPENSSL_NO_AES
-		else if (!strcmp(*args,"-aes128"))
-				cipher = EVP_aes_128_cbc();
-		else if (!strcmp(*args,"-aes192"))
-				cipher = EVP_aes_192_cbc();
-		else if (!strcmp(*args,"-aes256"))
-				cipher = EVP_aes_256_cbc();
-#endif
-#ifndef OPENSSL_NO_CAMELLIA
-		else if (!strcmp(*args,"-camellia128"))
-				cipher = EVP_camellia_128_cbc();
-		else if (!strcmp(*args,"-camellia192"))
-				cipher = EVP_camellia_192_cbc();
-		else if (!strcmp(*args,"-camellia256"))
-				cipher = EVP_camellia_256_cbc();
-#endif
-		else if (!strcmp (*args, "-text")) 
-				flags |= PKCS7_TEXT;
-		else if (!strcmp (*args, "-nointern")) 
-				flags |= PKCS7_NOINTERN;
-		else if (!strcmp (*args, "-noverify")) 
-				flags |= PKCS7_NOVERIFY;
-		else if (!strcmp (*args, "-nochain")) 
-				flags |= PKCS7_NOCHAIN;
-		else if (!strcmp (*args, "-nocerts")) 
-				flags |= PKCS7_NOCERTS;
-		else if (!strcmp (*args, "-noattr")) 
-				flags |= PKCS7_NOATTR;
-		else if (!strcmp (*args, "-nodetach")) 
-				flags &= ~PKCS7_DETACHED;
-		else if (!strcmp (*args, "-nosmimecap"))
-				flags |= PKCS7_NOSMIMECAP;
-		else if (!strcmp (*args, "-binary"))
-				flags |= PKCS7_BINARY;
-		else if (!strcmp (*args, "-nosigs"))
-				flags |= PKCS7_NOSIGS;
-		else if (!strcmp (*args, "-stream"))
-				indef = 1;
-		else if (!strcmp (*args, "-indef"))
-				indef = 1;
-		else if (!strcmp (*args, "-noindef"))
-				indef = 0;
-		else if (!strcmp (*args, "-nooldmime"))
-				flags |= PKCS7_NOOLDMIMETYPE;
-		else if (!strcmp (*args, "-crlfeol"))
-				flags |= PKCS7_CRLFEOL;
-		else if (!strcmp(*args,"-rand"))
-			{
-			if (!args[1])
-				goto argerr;
-			args++;
-			inrand = *args;
-			need_rand = 1;
-			}
-#ifndef OPENSSL_NO_ENGINE
-		else if (!strcmp(*args,"-engine"))
-			{
-			if (!args[1])
-				goto argerr;
-			engine = *++args;
-			}
-#endif
-		else if (!strcmp(*args,"-passin"))
-			{
-			if (!args[1])
-				goto argerr;
-			passargin = *++args;
-			}
-		else if (!strcmp (*args, "-to"))
-			{
-			if (!args[1])
-				goto argerr;
-			to = *++args;
-			}
-		else if (!strcmp (*args, "-from"))
-			{
-			if (!args[1])
-				goto argerr;
-			from = *++args;
-			}
-		else if (!strcmp (*args, "-subject"))
-			{
-			if (!args[1])
-				goto argerr;
-			subject = *++args;
-			}
-		else if (!strcmp (*args, "-signer"))
-			{
-			if (!args[1])
-				goto argerr;
-			/* If previous -signer argument add signer to list */
-
-			if (signerfile)
-				{
-				if (!sksigners)
-					sksigners = sk_OPENSSL_STRING_new_null();
-				sk_OPENSSL_STRING_push(sksigners, signerfile);
-				if (!keyfile)
-					keyfile = signerfile;
-				if (!skkeys)
-					skkeys = sk_OPENSSL_STRING_new_null();
-				sk_OPENSSL_STRING_push(skkeys, keyfile);
-				keyfile = NULL;
-				}
-			signerfile = *++args;
-			}
-		else if (!strcmp (*args, "-recip"))
-			{
-			if (!args[1])
-				goto argerr;
-			recipfile = *++args;
-			}
-		else if (!strcmp (*args, "-md"))
-			{
-			if (!args[1])
-				goto argerr;
-			sign_md = EVP_get_digestbyname(*++args);
-			if (sign_md == NULL)
-				{
-				BIO_printf(bio_err, "Unknown digest %s\n",
-							*args);
-				goto argerr;
-				}
-			}
-		else if (!strcmp (*args, "-inkey"))
-			{
-			if (!args[1])	
-				goto argerr;
-			/* If previous -inkey arument add signer to list */
-			if (keyfile)
-				{
-				if (!signerfile)
-					{
-					BIO_puts(bio_err, "Illegal -inkey without -signer\n");
-					goto argerr;
-					}
-				if (!sksigners)
-					sksigners = sk_OPENSSL_STRING_new_null();
-				sk_OPENSSL_STRING_push(sksigners, signerfile);
-				signerfile = NULL;
-				if (!skkeys)
-					skkeys = sk_OPENSSL_STRING_new_null();
-				sk_OPENSSL_STRING_push(skkeys, keyfile);
-				}
-			keyfile = *++args;
-			}
-		else if (!strcmp (*args, "-keyform"))
-			{
-			if (!args[1])
-				goto argerr;
-			keyform = str2fmt(*++args);
-			}
-		else if (!strcmp (*args, "-certfile"))
-			{
-			if (!args[1])
-				goto argerr;
-			certfile = *++args;
-			}
-		else if (!strcmp (*args, "-CAfile"))
-			{
-			if (!args[1])
-				goto argerr;
-			CAfile = *++args;
-			}
-		else if (!strcmp (*args, "-CApath"))
-			{
-			if (!args[1])
-				goto argerr;
-			CApath = *++args;
-			}
-		else if (!strcmp (*args, "-in"))
-			{
-			if (!args[1])
-				goto argerr;
-			infile = *++args;
-			}
-		else if (!strcmp (*args, "-inform"))
-			{
-			if (!args[1])
-				goto argerr;
-			informat = str2fmt(*++args);
-			}
-		else if (!strcmp (*args, "-outform"))
-			{
-			if (!args[1])
-				goto argerr;
-			outformat = str2fmt(*++args);
-			}
-		else if (!strcmp (*args, "-out"))
-			{
-			if (!args[1])
-				goto argerr;
-			outfile = *++args;
-			}
-		else if (!strcmp (*args, "-content"))
-			{
-			if (!args[1])
-				goto argerr;
-			contfile = *++args;
-			}
-		else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
-			continue;
-		else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
-			badarg = 1;
-		args++;
-		}
-
-	if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners))
-		{
-		BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
-		goto argerr;
-		}
-
-	if (operation & SMIME_SIGNERS)
-		{
-		/* Check to see if any final signer needs to be appended */
-		if (keyfile && !signerfile)
-			{
-			BIO_puts(bio_err, "Illegal -inkey without -signer\n");
-			goto argerr;
-			}
-		if (signerfile)
-			{
-			if (!sksigners)
-				sksigners = sk_OPENSSL_STRING_new_null();
-			sk_OPENSSL_STRING_push(sksigners, signerfile);
-			if (!skkeys)
-				skkeys = sk_OPENSSL_STRING_new_null();
-			if (!keyfile)
-				keyfile = signerfile;
-			sk_OPENSSL_STRING_push(skkeys, keyfile);
-			}
-		if (!sksigners)
-			{
-			BIO_printf(bio_err, "No signer certificate specified\n");
-			badarg = 1;
-			}
-		signerfile = NULL;
-		keyfile = NULL;
-		need_rand = 1;
-		}
-	else if (operation == SMIME_DECRYPT)
-		{
-		if (!recipfile && !keyfile)
-			{
-			BIO_printf(bio_err, "No recipient certificate or key specified\n");
-			badarg = 1;
-			}
-		}
-	else if (operation == SMIME_ENCRYPT)
-		{
-		if (!*args)
-			{
-			BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
-			badarg = 1;
-			}
-		need_rand = 1;
-		}
-	else if (!operation)
-		badarg = 1;
-
-	if (badarg)
-		{
-		argerr:
-		BIO_printf (bio_err, "Usage smime [options] cert.pem ...\n");
-		BIO_printf (bio_err, "where options are\n");
-		BIO_printf (bio_err, "-encrypt       encrypt message\n");
-		BIO_printf (bio_err, "-decrypt       decrypt encrypted message\n");
-		BIO_printf (bio_err, "-sign          sign message\n");
-		BIO_printf (bio_err, "-verify        verify signed message\n");
-		BIO_printf (bio_err, "-pk7out        output PKCS#7 structure\n");
-#ifndef OPENSSL_NO_DES
-		BIO_printf (bio_err, "-des3          encrypt with triple DES\n");
-		BIO_printf (bio_err, "-des           encrypt with DES\n");
-#endif
-#ifndef OPENSSL_NO_SEED
-		BIO_printf (bio_err, "-seed          encrypt with SEED\n");
-#endif
-#ifndef OPENSSL_NO_RC2
-		BIO_printf (bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
-		BIO_printf (bio_err, "-rc2-64        encrypt with RC2-64\n");
-		BIO_printf (bio_err, "-rc2-128       encrypt with RC2-128\n");
-#endif
-#ifndef OPENSSL_NO_AES
-		BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
-		BIO_printf (bio_err, "               encrypt PEM output with cbc aes\n");
-#endif
-#ifndef OPENSSL_NO_CAMELLIA
-		BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n");
-		BIO_printf (bio_err, "               encrypt PEM output with cbc camellia\n");
-#endif
-		BIO_printf (bio_err, "-nointern      don't search certificates in message for signer\n");
-		BIO_printf (bio_err, "-nosigs        don't verify message signature\n");
-		BIO_printf (bio_err, "-noverify      don't verify signers certificate\n");
-		BIO_printf (bio_err, "-nocerts       don't include signers certificate when signing\n");
-		BIO_printf (bio_err, "-nodetach      use opaque signing\n");
-		BIO_printf (bio_err, "-noattr        don't include any signed attributes\n");
-		BIO_printf (bio_err, "-binary        don't translate message to text\n");
-		BIO_printf (bio_err, "-certfile file other certificates file\n");
-		BIO_printf (bio_err, "-signer file   signer certificate file\n");
-		BIO_printf (bio_err, "-recip  file   recipient certificate file for decryption\n");
-		BIO_printf (bio_err, "-in file       input file\n");
-		BIO_printf (bio_err, "-inform arg    input format SMIME (default), PEM or DER\n");
-		BIO_printf (bio_err, "-inkey file    input private key (if not signer or recipient)\n");
-		BIO_printf (bio_err, "-keyform arg   input private key format (PEM or ENGINE)\n");
-		BIO_printf (bio_err, "-out file      output file\n");
-		BIO_printf (bio_err, "-outform arg   output format SMIME (default), PEM or DER\n");
-		BIO_printf (bio_err, "-content file  supply or override content for detached signature\n");
-		BIO_printf (bio_err, "-to addr       to address\n");
-		BIO_printf (bio_err, "-from ad       from address\n");
-		BIO_printf (bio_err, "-subject s     subject\n");
-		BIO_printf (bio_err, "-text          include or delete text MIME headers\n");
-		BIO_printf (bio_err, "-CApath dir    trusted certificates directory\n");
-		BIO_printf (bio_err, "-CAfile file   trusted certificates file\n");
-		BIO_printf (bio_err, "-crl_check     check revocation status of signer's certificate using CRLs\n");
-		BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
-#ifndef OPENSSL_NO_ENGINE
-		BIO_printf (bio_err, "-engine e      use engine e, possibly a hardware device.\n");
-#endif
-		BIO_printf (bio_err, "-passin arg    input file pass phrase source\n");
-		BIO_printf(bio_err,  "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
-		BIO_printf(bio_err,  "               load the file (or the files in the directory) into\n");
-		BIO_printf(bio_err,  "               the random number generator\n");
-		BIO_printf (bio_err, "cert.pem       recipient certificate(s) for encryption\n");
-		goto end;
-		}
-
-#ifndef OPENSSL_NO_ENGINE
-        e = setup_engine(bio_err, engine, 0);
-#endif
-
-	if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
-		{
-		BIO_printf(bio_err, "Error getting password\n");
-		goto end;
-		}
-
-	if (need_rand)
-		{
-		app_RAND_load_file(NULL, bio_err, (inrand != NULL));
-		if (inrand != NULL)
-			BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
-				app_RAND_load_files(inrand));
-		}
-
-	ret = 2;
-
-	if (!(operation & SMIME_SIGNERS))
-		flags &= ~PKCS7_DETACHED;
-
-	if (operation & SMIME_OP)
-		{
-		if (outformat == FORMAT_ASN1)
-			outmode = "wb";
-		}
-	else
-		{
-		if (flags & PKCS7_BINARY)
-			outmode = "wb";
-		}
-
-	if (operation & SMIME_IP)
-		{
-		if (informat == FORMAT_ASN1)
-			inmode = "rb";
-		}
-	else
-		{
-		if (flags & PKCS7_BINARY)
-			inmode = "rb";
-		}
-
-	if (operation == SMIME_ENCRYPT)
-		{
-		if (!cipher)
-			{
-#ifndef OPENSSL_NO_RC2			
-			cipher = EVP_rc2_40_cbc();
-#else
-			BIO_printf(bio_err, "No cipher selected\n");
-			goto end;
-#endif
-			}
-		encerts = sk_X509_new_null();
-		while (*args)
-			{
-			if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
-				NULL, e, "recipient certificate file")))
-				{
-#if 0				/* An appropriate message is already printed */
-				BIO_printf(bio_err, "Can't read recipient certificate file %s\n", *args);
-#endif
-				goto end;
-				}
-			sk_X509_push(encerts, cert);
-			cert = NULL;
-			args++;
-			}
-		}
-
-	if (certfile)
-		{
-		if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
-			e, "certificate file")))
-			{
-			ERR_print_errors(bio_err);
-			goto end;
-			}
-		}
-
-	if (recipfile && (operation == SMIME_DECRYPT))
-		{
-		if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
-			e, "recipient certificate file")))
-			{
-			ERR_print_errors(bio_err);
-			goto end;
-			}
-		}
-
-	if (operation == SMIME_DECRYPT)
-		{
-		if (!keyfile)
-			keyfile = recipfile;
-		}
-	else if (operation == SMIME_SIGN)
-		{
-		if (!keyfile)
-			keyfile = signerfile;
-		}
-	else keyfile = NULL;
-
-	if (keyfile)
-		{
-		key = load_key(bio_err, keyfile, keyform, 0, passin, e,
-			       "signing key file");
-		if (!key)
-			goto end;
-		}
-
-	if (infile)
-		{
-		if (!(in = BIO_new_file(infile, inmode)))
-			{
-			BIO_printf (bio_err,
-				 "Can't open input file %s\n", infile);
-			goto end;
-			}
-		}
-	else
-		in = BIO_new_fp(stdin, BIO_NOCLOSE);
-
-	if (operation & SMIME_IP)
-		{
-		if (informat == FORMAT_SMIME) 
-			p7 = SMIME_read_PKCS7(in, &indata);
-		else if (informat == FORMAT_PEM) 
-			p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
-		else if (informat == FORMAT_ASN1) 
-			p7 = d2i_PKCS7_bio(in, NULL);
-		else
-			{
-			BIO_printf(bio_err, "Bad input format for PKCS#7 file\n");
-			goto end;
-			}
-
-		if (!p7)
-			{
-			BIO_printf(bio_err, "Error reading S/MIME message\n");
-			goto end;
-			}
-		if (contfile)
-			{
-			BIO_free(indata);
-			if (!(indata = BIO_new_file(contfile, "rb")))
-				{
-				BIO_printf(bio_err, "Can't read content file %s\n", contfile);
-				goto end;
-				}
-			}
-		}
-
-	if (outfile)
-		{
-		if (!(out = BIO_new_file(outfile, outmode)))
-			{
-			BIO_printf (bio_err,
-				 "Can't open output file %s\n", outfile);
-			goto end;
-			}
-		}
-	else
-		{
-		out = BIO_new_fp(stdout, BIO_NOCLOSE);
-#ifdef OPENSSL_SYS_VMS
-		{
-		    BIO *tmpbio = BIO_new(BIO_f_linebuffer());
-		    out = BIO_push(tmpbio, out);
-		}
-#endif
-		}
-
-	if (operation == SMIME_VERIFY)
-		{
-		if (!(store = setup_verify(bio_err, CAfile, CApath)))
-			goto end;
-		X509_STORE_set_verify_cb(store, smime_cb);
-		if (vpm)
-			X509_STORE_set1_param(store, vpm);
-		}
-
-
-	ret = 3;
-
-	if (operation == SMIME_ENCRYPT)
-		{
-		if (indef)
-			flags |= PKCS7_STREAM;
-		p7 = PKCS7_encrypt(encerts, in, cipher, flags);
-		}
-	else if (operation & SMIME_SIGNERS)
-		{
-		int i;
-		/* If detached data content we only enable streaming if
-		 * S/MIME output format.
-		 */
-		if (operation == SMIME_SIGN)
-			{
-			if (flags & PKCS7_DETACHED)
-				{
-				if (outformat == FORMAT_SMIME)
-					flags |= PKCS7_STREAM;
-				}
-			else if (indef)
-				flags |= PKCS7_STREAM;
-			flags |= PKCS7_PARTIAL;
-			p7 = PKCS7_sign(NULL, NULL, other, in, flags);
-			if (!p7)
-				goto end;
-			}
-		else
-			flags |= PKCS7_REUSE_DIGEST;
-		for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++)
-			{
-			signerfile = sk_OPENSSL_STRING_value(sksigners, i);
-			keyfile = sk_OPENSSL_STRING_value(skkeys, i);
-			signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL,
-					e, "signer certificate");
-			if (!signer)
-				goto end;
-			key = load_key(bio_err, keyfile, keyform, 0, passin, e,
-			       "signing key file");
-			if (!key)
-				goto end;
-			if (!PKCS7_sign_add_signer(p7, signer, key,
-						sign_md, flags))
-				goto end;
-			X509_free(signer);
-			signer = NULL;
-			EVP_PKEY_free(key);
-			key = NULL;
-			}
-		/* If not streaming or resigning finalize structure */
-		if ((operation == SMIME_SIGN) && !(flags & PKCS7_STREAM))
-			{
-			if (!PKCS7_final(p7, in, flags))
-				goto end;
-			}
-		}
-
-	if (!p7)
-		{
-		BIO_printf(bio_err, "Error creating PKCS#7 structure\n");
-		goto end;
-		}
-
-	ret = 4;
-	if (operation == SMIME_DECRYPT)
-		{
-		if (!PKCS7_decrypt(p7, key, recip, out, flags))
-			{
-			BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n");
-			goto end;
-			}
-		}
-	else if (operation == SMIME_VERIFY)
-		{
-		STACK_OF(X509) *signers;
-		if (PKCS7_verify(p7, other, store, indata, out, flags))
-			BIO_printf(bio_err, "Verification successful\n");
-		else
-			{
-			BIO_printf(bio_err, "Verification failure\n");
-			goto end;
-			}
-		signers = PKCS7_get0_signers(p7, other, flags);
-		if (!save_certs(signerfile, signers))
-			{
-			BIO_printf(bio_err, "Error writing signers to %s\n",
-								signerfile);
-			ret = 5;
-			goto end;
-			}
-		sk_X509_free(signers);
-		}
-	else if (operation == SMIME_PK7OUT)
-		PEM_write_bio_PKCS7(out, p7);
-	else
-		{
-		if (to)
-			BIO_printf(out, "To: %s\n", to);
-		if (from)
-			BIO_printf(out, "From: %s\n", from);
-		if (subject)
-			BIO_printf(out, "Subject: %s\n", subject);
-		if (outformat == FORMAT_SMIME) 
-			{
-			if (operation == SMIME_RESIGN)
-				SMIME_write_PKCS7(out, p7, indata, flags);
-			else
-				SMIME_write_PKCS7(out, p7, in, flags);
-			}
-		else if (outformat == FORMAT_PEM) 
-			PEM_write_bio_PKCS7_stream(out, p7, in, flags);
-		else if (outformat == FORMAT_ASN1) 
-			i2d_PKCS7_bio_stream(out,p7, in, flags);
-		else
-			{
-			BIO_printf(bio_err, "Bad output format for PKCS#7 file\n");
-			goto end;
-			}
-		}
-	ret = 0;
-end:
-	if (need_rand)
-		app_RAND_write_file(NULL, bio_err);
-	if (ret) ERR_print_errors(bio_err);
-	sk_X509_pop_free(encerts, X509_free);
-	sk_X509_pop_free(other, X509_free);
-	if (vpm)
-		X509_VERIFY_PARAM_free(vpm);
-	if (sksigners)
-		sk_OPENSSL_STRING_free(sksigners);
-	if (skkeys)
-		sk_OPENSSL_STRING_free(skkeys);
-	X509_STORE_free(store);
-	X509_free(cert);
-	X509_free(recip);
-	X509_free(signer);
-	EVP_PKEY_free(key);
-	PKCS7_free(p7);
-	BIO_free(in);
-	BIO_free(indata);
-	BIO_free_all(out);
-	if (passin) OPENSSL_free(passin);
-	return (ret);
-}
-
-static int save_certs(char *signerfile, STACK_OF(X509) *signers)
-	{
-	int i;
-	BIO *tmp;
-	if (!signerfile)
-		return 1;
-	tmp = BIO_new_file(signerfile, "w");
-	if (!tmp) return 0;
-	for(i = 0; i < sk_X509_num(signers); i++)
-		PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
-	BIO_free(tmp);
-	return 1;
-	}
-	
-
-/* Minimal callback just to output policy info (if any) */
-
-static int smime_cb(int ok, X509_STORE_CTX *ctx)
-	{
-	int error;
-
-	error = X509_STORE_CTX_get_error(ctx);
-
-	if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
-		&& ((error != X509_V_OK) || (ok != 2)))
-		return ok;
-
-	policies_print(NULL, ctx);
-
-	return ok;
-
-	}