diff options
Diffstat (limited to 'openssl/apps/smime.c')
| -rw-r--r-- | openssl/apps/smime.c | 857 | 
1 files changed, 0 insertions, 857 deletions
diff --git a/openssl/apps/smime.c b/openssl/apps/smime.c deleted file mode 100644 index c583f8a0..00000000 --- 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; - -	}  | 
