-/* smime.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999 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).
+/*
+ * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
/* S/MIME utility function */
#include <openssl/crypto.h>
#include <openssl/pem.h>
#include <openssl/err.h>
-#include <openssl/engine.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_ENCRYPT (1 | SMIME_OP)
-#define SMIME_DECRYPT 2
-#define SMIME_SIGN (3 | SMIME_OP)
-#define SMIME_VERIFY 4
-#define SMIME_PK7OUT 5
+#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 **);
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_ENCRYPT, OPT_DECRYPT, OPT_SIGN, OPT_RESIGN, OPT_VERIFY,
+ OPT_PK7OUT, OPT_TEXT, OPT_NOINTERN, OPT_NOVERIFY, OPT_NOCHAIN,
+ OPT_NOCERTS, OPT_NOATTR, OPT_NODETACH, OPT_NOSMIMECAP,
+ OPT_BINARY, OPT_NOSIGS, OPT_STREAM, OPT_INDEF, OPT_NOINDEF,
+ OPT_CRLFEOL, OPT_RAND, OPT_ENGINE, OPT_PASSIN,
+ OPT_TO, OPT_FROM, OPT_SUBJECT, OPT_SIGNER, OPT_RECIP, OPT_MD,
+ OPT_CIPHER, OPT_INKEY, OPT_KEYFORM, OPT_CERTFILE, OPT_CAFILE,
+ OPT_V_ENUM,
+ OPT_CAPATH, OPT_NOCAFILE, OPT_NOCAPATH, OPT_IN, OPT_INFORM, OPT_OUT,
+ OPT_OUTFORM, OPT_CONTENT
+} OPTION_CHOICE;
-int MAIN(int argc, char **argv)
-{
- ENGINE *e = NULL;
- int operation = 0;
- int ret = 0;
- char **args;
- char *inmode = "r", *outmode = "w";
- char *infile = NULL, *outfile = NULL;
- char *signerfile = NULL, *recipfile = NULL;
- char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
- 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 informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
- char *engine=NULL;
-
- args = argv + 1;
- ret = 1;
-
- 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, "-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_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();
+const OPTIONS smime_options[] = {
+ {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"},
+ {OPT_HELP_STR, 1, '-',
+ " cert.pem... recipient certs for encryption\n"},
+ {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"encrypt", OPT_ENCRYPT, '-', "Encrypt message"},
+ {"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"},
+ {"sign", OPT_SIGN, '-', "Sign message"},
+ {"verify", OPT_VERIFY, '-', "Verify signed message"},
+ {"pk7out", OPT_PK7OUT, '-', "Output PKCS#7 structure"},
+ {"nointern", OPT_NOINTERN, '-',
+ "Don't search certificates in message for signer"},
+ {"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"},
+ {"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"},
+ {"nocerts", OPT_NOCERTS, '-',
+ "Don't include signers certificate when signing"},
+ {"nodetach", OPT_NODETACH, '-', "Use opaque signing"},
+ {"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"},
+ {"binary", OPT_BINARY, '-', "Don't translate message to text"},
+ {"certfile", OPT_CERTFILE, '<', "Other certificates file"},
+ {"signer", OPT_SIGNER, 's', "Signer certificate file"},
+ {"recip", OPT_RECIP, '<', "Recipient certificate file for decryption"},
+ {"in", OPT_IN, '<', "Input file"},
+ {"inform", OPT_INFORM, 'c', "Input format SMIME (default), PEM or DER"},
+ {"inkey", OPT_INKEY, '<',
+ "Input private key (if not signer or recipient)"},
+ {"keyform", OPT_KEYFORM, 'f', "Input private key format (PEM or ENGINE)"},
+ {"out", OPT_OUT, '>', "Output file"},
+ {"outform", OPT_OUTFORM, 'c',
+ "Output format SMIME (default), PEM or DER"},
+ {"content", OPT_CONTENT, '<',
+ "Supply or override content for detached signature"},
+ {"to", OPT_TO, 's', "To address"},
+ {"from", OPT_FROM, 's', "From address"},
+ {"subject", OPT_SUBJECT, 's', "Subject"},
+ {"text", OPT_TEXT, '-', "Include or delete text MIME headers"},
+ {"CApath", OPT_CAPATH, '/', "Trusted certificates directory"},
+ {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
+ {"no-CAfile", OPT_NOCAFILE, '-',
+ "Do not load the default certificates file"},
+ {"no-CApath", OPT_NOCAPATH, '-',
+ "Do not load certificates from the default certificates directory"},
+ {"resign", OPT_RESIGN, '-', "Resign a signed message"},
+ {"nochain", OPT_NOCHAIN, '-',
+ "set PKCS7_NOCHAIN so certificates contained in the message are not used as untrusted CAs" },
+ {"nosmimecap", OPT_NOSMIMECAP, '-', "Omit the SMIMECapabilities attribute"},
+ {"stream", OPT_STREAM, '-', "Enable CMS streaming" },
+ {"indef", OPT_INDEF, '-', "Same as -stream" },
+ {"noindef", OPT_NOINDEF, '-', "Disable CMS streaming"},
+ {"crlfeol", OPT_CRLFEOL, '-', "Use CRLF as EOL termination instead of CR only"},
+ {"rand", OPT_RAND, 's',
+ "Load the file(s) into the random number generator"},
+ {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
+ {"md", OPT_MD, 's', "Digest algorithm to use when signing or resigning"},
+ {"", OPT_CIPHER, '-', "Any supported cipher"},
+ OPT_V_OPTIONS,
+#ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#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,"-rand")) {
- if (args[1]) {
- args++;
- inrand = *args;
- } else badarg = 1;
- need_rand = 1;
- } else if (!strcmp(*args,"-engine")) {
- if (args[1]) {
- args++;
- engine = *args;
- } else badarg = 1;
- } else if (!strcmp(*args,"-passin")) {
- if (args[1]) {
- args++;
- passargin = *args;
- } else badarg = 1;
- } else if (!strcmp (*args, "-to")) {
- if (args[1]) {
- args++;
- to = *args;
- } else badarg = 1;
- } else if (!strcmp (*args, "-from")) {
- if (args[1]) {
- args++;
- from = *args;
- } else badarg = 1;
- } else if (!strcmp (*args, "-subject")) {
- if (args[1]) {
- args++;
- subject = *args;
- } else badarg = 1;
- } else if (!strcmp (*args, "-signer")) {
- if (args[1]) {
- args++;
- signerfile = *args;
- } else badarg = 1;
- } else if (!strcmp (*args, "-recip")) {
- if (args[1]) {
- args++;
- recipfile = *args;
- } else badarg = 1;
- } else if (!strcmp (*args, "-inkey")) {
- if (args[1]) {
- args++;
- keyfile = *args;
- } else badarg = 1;
- } else if (!strcmp (*args, "-certfile")) {
- if (args[1]) {
- args++;
- certfile = *args;
- } else badarg = 1;
- } else if (!strcmp (*args, "-CAfile")) {
- if (args[1]) {
- args++;
- CAfile = *args;
- } else badarg = 1;
- } else if (!strcmp (*args, "-CApath")) {
- if (args[1]) {
- args++;
- CApath = *args;
- } else badarg = 1;
- } else if (!strcmp (*args, "-in")) {
- if (args[1]) {
- args++;
- infile = *args;
- } else badarg = 1;
- } else if (!strcmp (*args, "-inform")) {
- if (args[1]) {
- args++;
- informat = str2fmt(*args);
- } else badarg = 1;
- } else if (!strcmp (*args, "-outform")) {
- if (args[1]) {
- args++;
- outformat = str2fmt(*args);
- } else badarg = 1;
- } else if (!strcmp (*args, "-out")) {
- if (args[1]) {
- args++;
- outfile = *args;
- } else badarg = 1;
- } else if (!strcmp (*args, "-content")) {
- if (args[1]) {
- args++;
- contfile = *args;
- } else badarg = 1;
- } else badarg = 1;
- args++;
- }
-
- if(operation == SMIME_SIGN) {
- if(!signerfile) {
- BIO_printf(bio_err, "No signer certificate specified\n");
- badarg = 1;
- }
- need_rand = 1;
- } else if(operation == SMIME_DECRYPT) {
- if(!recipfile) {
- BIO_printf(bio_err, "No recipient certificate and 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) {
- 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");
+ {NULL}
+};
+
+int smime_main(int argc, char **argv)
+{
+ BIO *in = NULL, *out = NULL, *indata = NULL;
+ EVP_PKEY *key = NULL;
+ PKCS7 *p7 = NULL;
+ STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
+ STACK_OF(X509) *encerts = NULL, *other = NULL;
+ X509 *cert = NULL, *recip = NULL, *signer = NULL;
+ X509_STORE *store = NULL;
+ X509_VERIFY_PARAM *vpm = NULL;
+ const EVP_CIPHER *cipher = NULL;
+ const EVP_MD *sign_md = NULL;
+ const char *CAfile = NULL, *CApath = NULL, *prog = NULL;
+ char *certfile = NULL, *keyfile = NULL, *contfile = NULL, *inrand = NULL;
+ char *infile = NULL, *outfile = NULL, *signerfile = NULL, *recipfile =
+ NULL;
+ char *passinarg = NULL, *passin = NULL, *to = NULL, *from =
+ NULL, *subject = NULL;
+ OPTION_CHOICE o;
+ int noCApath = 0, noCAfile = 0;
+ int flags = PKCS7_DETACHED, operation = 0, ret = 0, need_rand = 0, indef =
+ 0;
+ int informat = FORMAT_SMIME, outformat = FORMAT_SMIME, keyform =
+ FORMAT_PEM;
+ int vpmtouched = 0, rv = 0;
+ ENGINE *e = NULL;
+ const char *mime_eol = "\n";
+
+ if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
+ return 1;
+
+ prog = opt_init(argc, argv, smime_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+ opthelp:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ case OPT_HELP:
+ opt_help(smime_options);
+ ret = 0;
+ goto end;
+ case OPT_INFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat))
+ goto opthelp;
+ break;
+ case OPT_IN:
+ infile = opt_arg();
+ break;
+ case OPT_OUTFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat))
+ goto opthelp;
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_ENCRYPT:
+ operation = SMIME_ENCRYPT;
+ break;
+ case OPT_DECRYPT:
+ operation = SMIME_DECRYPT;
+ break;
+ case OPT_SIGN:
+ operation = SMIME_SIGN;
+ break;
+ case OPT_RESIGN:
+ operation = SMIME_RESIGN;
+ break;
+ case OPT_VERIFY:
+ operation = SMIME_VERIFY;
+ break;
+ case OPT_PK7OUT:
+ operation = SMIME_PK7OUT;
+ break;
+ case OPT_TEXT:
+ flags |= PKCS7_TEXT;
+ break;
+ case OPT_NOINTERN:
+ flags |= PKCS7_NOINTERN;
+ break;
+ case OPT_NOVERIFY:
+ flags |= PKCS7_NOVERIFY;
+ break;
+ case OPT_NOCHAIN:
+ flags |= PKCS7_NOCHAIN;
+ break;
+ case OPT_NOCERTS:
+ flags |= PKCS7_NOCERTS;
+ break;
+ case OPT_NOATTR:
+ flags |= PKCS7_NOATTR;
+ break;
+ case OPT_NODETACH:
+ flags &= ~PKCS7_DETACHED;
+ break;
+ case OPT_NOSMIMECAP:
+ flags |= PKCS7_NOSMIMECAP;
+ break;
+ case OPT_BINARY:
+ flags |= PKCS7_BINARY;
+ break;
+ case OPT_NOSIGS:
+ flags |= PKCS7_NOSIGS;
+ break;
+ case OPT_STREAM:
+ case OPT_INDEF:
+ indef = 1;
+ break;
+ case OPT_NOINDEF:
+ indef = 0;
+ break;
+ case OPT_CRLFEOL:
+ flags |= PKCS7_CRLFEOL;
+ mime_eol = "\r\n";
+ break;
+ case OPT_RAND:
+ inrand = opt_arg();
+ need_rand = 1;
+ break;
+ case OPT_ENGINE:
+ e = setup_engine(opt_arg(), 0);
+ break;
+ case OPT_PASSIN:
+ passinarg = opt_arg();
+ break;
+ case OPT_TO:
+ to = opt_arg();
+ break;
+ case OPT_FROM:
+ from = opt_arg();
+ break;
+ case OPT_SUBJECT:
+ subject = opt_arg();
+ break;
+ case OPT_SIGNER:
+ /* If previous -signer argument add signer to list */
+ if (signerfile) {
+ if (sksigners == NULL
+ && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
+ goto end;
+ sk_OPENSSL_STRING_push(sksigners, signerfile);
+ if (keyfile == NULL)
+ keyfile = signerfile;
+ if (skkeys == NULL
+ && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
+ goto end;
+ sk_OPENSSL_STRING_push(skkeys, keyfile);
+ keyfile = NULL;
+ }
+ signerfile = opt_arg();
+ break;
+ case OPT_RECIP:
+ recipfile = opt_arg();
+ break;
+ case OPT_MD:
+ if (!opt_md(opt_arg(), &sign_md))
+ goto opthelp;
+ break;
+ case OPT_CIPHER:
+ if (!opt_cipher(opt_unknown(), &cipher))
+ goto opthelp;
+ break;
+ case OPT_INKEY:
+ /* If previous -inkey argument add signer to list */
+ if (keyfile) {
+ if (signerfile == NULL) {
+ BIO_printf(bio_err,
+ "%s: Must have -signer before -inkey\n", prog);
+ goto opthelp;
+ }
+ if (sksigners == NULL
+ && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
+ goto end;
+ sk_OPENSSL_STRING_push(sksigners, signerfile);
+ signerfile = NULL;
+ if (skkeys == NULL
+ && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
+ goto end;
+ sk_OPENSSL_STRING_push(skkeys, keyfile);
+ }
+ keyfile = opt_arg();
+ break;
+ case OPT_KEYFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
+ goto opthelp;
+ break;
+ case OPT_CERTFILE:
+ certfile = opt_arg();
+ break;
+ case OPT_CAFILE:
+ CAfile = opt_arg();
+ break;
+ case OPT_CAPATH:
+ CApath = opt_arg();
+ break;
+ case OPT_NOCAFILE:
+ noCAfile = 1;
+ break;
+ case OPT_NOCAPATH:
+ noCApath = 1;
+ break;
+ case OPT_CONTENT:
+ contfile = opt_arg();
+ break;
+ case OPT_V_CASES:
+ if (!opt_verify(o, vpm))
+ goto opthelp;
+ vpmtouched++;
+ break;
+ }
+ }
+ argc = opt_num_rest();
+ argv = opt_rest();
+
+ if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) {
+ BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
+ goto opthelp;
+ }
+
+ 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 opthelp;
+ }
+ if (signerfile) {
+ if (!sksigners
+ && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
+ goto end;
+ sk_OPENSSL_STRING_push(sksigners, signerfile);
+ if (!skkeys && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
+ goto end;
+ if (!keyfile)
+ keyfile = signerfile;
+ sk_OPENSSL_STRING_push(skkeys, keyfile);
+ }
+ if (!sksigners) {
+ BIO_printf(bio_err, "No signer certificate specified\n");
+ goto opthelp;
+ }
+ 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");
+ goto opthelp;
+ }
+ } else if (operation == SMIME_ENCRYPT) {
+ if (argc == 0) {
+ BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
+ goto opthelp;
+ }
+ need_rand = 1;
+ } else if (!operation)
+ goto opthelp;
+
+ if (!app_passwd(passinarg, NULL, &passin, NULL)) {
+ BIO_printf(bio_err, "Error getting password\n");
+ goto end;
+ }
+
+ if (need_rand) {
+ app_RAND_load_file(NULL, (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 (flags & PKCS7_BINARY)
+ outformat = FORMAT_BINARY;
+ }
+
+ if (!(operation & SMIME_IP)) {
+ if (flags & PKCS7_BINARY)
+ informat = FORMAT_BINARY;
+ }
+
+ if (operation == SMIME_ENCRYPT) {
+ if (!cipher) {
#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_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
- 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, "-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, "-engine e use engine e, possibly a hardware device.\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;
- }
-
- if (engine != NULL)
- {
- if((e = ENGINE_by_id(engine)) == NULL)
- {
- BIO_printf(bio_err,"invalid engine \"%s\"\n",
- engine);
- goto end;
- }
- if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
- {
- BIO_printf(bio_err,"can't use that engine\n");
- goto end;
- }
- BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
- /* Free our "structural" reference. */
- ENGINE_free(e);
- }
-
- 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_SIGN) flags &= ~PKCS7_DETACHED;
-
- if(operation & SMIME_OP) {
- if(flags & PKCS7_BINARY) inmode = "rb";
- if(outformat == FORMAT_ASN1) outmode = "wb";
- } else {
- if(flags & PKCS7_BINARY) outmode = "wb";
- if(informat == FORMAT_ASN1) inmode = "rb";
- }
-
- if(operation == SMIME_ENCRYPT) {
- if (!cipher) {
-#ifndef OPENSSL_NO_RC2
- cipher = EVP_rc2_40_cbc();
+ cipher = EVP_des_ede3_cbc();
#else
- BIO_printf(bio_err, "No cipher selected\n");
- goto end;
+ 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))) {
- BIO_printf(bio_err, "Can't read recipient certificate file %s\n", *args);
- goto end;
- }
- sk_X509_push(encerts, cert);
- cert = NULL;
- args++;
- }
- }
-
- if(signerfile && (operation == SMIME_SIGN)) {
- if(!(signer = load_cert(bio_err,signerfile,FORMAT_PEM))) {
- BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile);
- goto end;
- }
- }
-
- if(certfile) {
- if(!(other = load_certs(bio_err,certfile,FORMAT_PEM))) {
- BIO_printf(bio_err, "Can't read certificate file %s\n", certfile);
- ERR_print_errors(bio_err);
- goto end;
- }
- }
-
- if(recipfile && (operation == SMIME_DECRYPT)) {
- if(!(recip = load_cert(bio_err,recipfile,FORMAT_PEM))) {
- BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile);
- 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) {
- if(!(key = load_key(bio_err,keyfile, FORMAT_PEM, passin, NULL))) {
- BIO_printf(bio_err, "Can't read recipient certificate file %s\n", keyfile);
- ERR_print_errors(bio_err);
- 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 (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 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;
- }
-
- ret = 3;
-
- if(operation == SMIME_ENCRYPT) {
- p7 = PKCS7_encrypt(encerts, in, cipher, flags);
- } else if(operation == SMIME_SIGN) {
- p7 = PKCS7_sign(signer, key, other, in, flags);
- BIO_reset(in);
- } else {
- 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(!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)
- SMIME_write_PKCS7(out, p7, in, flags);
- else if(outformat == FORMAT_PEM)
- PEM_write_bio_PKCS7(out,p7);
- else if(outformat == FORMAT_ASN1)
- i2d_PKCS7_bio(out,p7);
- 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);
- 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);
+ }
+ encerts = sk_X509_new_null();
+ if (!encerts)
+ goto end;
+ while (*argv) {
+ cert = load_cert(*argv, FORMAT_PEM,
+ "recipient certificate file");
+ if (cert == NULL)
+ goto end;
+ sk_X509_push(encerts, cert);
+ cert = NULL;
+ argv++;
+ }
+ }
+
+ if (certfile) {
+ if (!load_certs(certfile, &other, FORMAT_PEM, NULL,
+ "certificate file")) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+
+ if (recipfile && (operation == SMIME_DECRYPT)) {
+ if ((recip = load_cert(recipfile, FORMAT_PEM,
+ "recipient certificate file")) == NULL) {
+ 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(keyfile, keyform, 0, passin, e, "signing key file");
+ if (!key)
+ goto end;
+ }
+
+ in = bio_open_default(infile, 'r', informat);
+ if (in == NULL)
+ goto end;
+
+ 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")) == NULL) {
+ BIO_printf(bio_err, "Can't read content file %s\n", contfile);
+ goto end;
+ }
+ }
+ }
+
+ out = bio_open_default(outfile, 'w', outformat);
+ if (out == NULL)
+ goto end;
+
+ if (operation == SMIME_VERIFY) {
+ if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL)
+ goto end;
+ X509_STORE_set_verify_cb(store, smime_cb);
+ if (vpmtouched)
+ 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;
+ if (flags & PKCS7_NOCERTS) {
+ for (i = 0; i < sk_X509_num(other); i++) {
+ X509 *x = sk_X509_value(other, i);
+ PKCS7_add_certificate(p7, x);
+ }
+ }
+ } 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(signerfile, FORMAT_PEM,
+ "signer certificate");
+ if (!signer)
+ goto end;
+ key = load_key(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%s", to, mime_eol);
+ if (from)
+ BIO_printf(out, "From: %s%s", from, mime_eol);
+ if (subject)
+ BIO_printf(out, "Subject: %s%s", subject, mime_eol);
+ if (outformat == FORMAT_SMIME) {
+ if (operation == SMIME_RESIGN)
+ rv = SMIME_write_PKCS7(out, p7, indata, flags);
+ else
+ rv = SMIME_write_PKCS7(out, p7, in, flags);
+ } else if (outformat == FORMAT_PEM)
+ rv = PEM_write_bio_PKCS7_stream(out, p7, in, flags);
+ else if (outformat == FORMAT_ASN1)
+ rv = i2d_PKCS7_bio_stream(out, p7, in, flags);
+ else {
+ BIO_printf(bio_err, "Bad output format for PKCS#7 file\n");
+ goto end;
+ }
+ if (rv == 0) {
+ BIO_printf(bio_err, "Error writing output\n");
+ ret = 3;
+ goto end;
+ }
+ }
+ ret = 0;
+ end:
+ if (need_rand)
+ app_RAND_write_file(NULL);
+ if (ret)
+ ERR_print_errors(bio_err);
+ sk_X509_pop_free(encerts, X509_free);
+ sk_X509_pop_free(other, X509_free);
+ X509_VERIFY_PARAM_free(vpm);
+ sk_OPENSSL_STRING_free(sksigners);
+ 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);
+ release_engine(e);
+ BIO_free(in);
+ BIO_free(indata);
+ BIO_free_all(out);
+ 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;
+ 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(ctx);
+
+ return ok;
+
}
-
projects / openssl.git / blobdiff