diff options
Diffstat (limited to 'openssl/apps/smime.c')
| -rw-r--r-- | openssl/apps/smime.c | 775 |
1 files changed, 0 insertions, 775 deletions
diff --git a/openssl/apps/smime.c b/openssl/apps/smime.c deleted file mode 100644 index 1758330..0000000 --- a/openssl/apps/smime.c +++ /dev/null @@ -1,775 +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; - char *engine = NULL; - - 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, - "-no_alt_chains only ever use the first certificate chain found\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; - } - e = setup_engine(bio_err, engine, 0); - - 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_DES - cipher = EVP_des_ede3_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; - 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(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); - release_engine(e); - 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; - -} |