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authorParménides GV <parmegv@sdf.org>2015-06-04 19:20:15 +0200
committerParménides GV <parmegv@sdf.org>2015-06-04 19:20:15 +0200
commit27594eeae6f40a402bc3110f06d57975168e74e3 (patch)
treecdabf6571e6f4ff07205fd6921d8095539a1fcdc /app/openssl/apps/smime.c
parent8dc4f58d96892fbfd83094fb85b1d17656035290 (diff)
ics-openvpn as a submodule! beautiful
ics-openvpn is now officially on GitHub, and they track openssl and openvpn as submodules, so it's easier to update everything. Just a git submodule update --recursive. I've also set up soft links to native modules from ics-openvpn in app, so that we don't copy files in Gradle (which was causing problems with the submodules .git* files, not being copied). That makes the repo cleaner.
Diffstat (limited to 'app/openssl/apps/smime.c')
-rw-r--r--app/openssl/apps/smime.c857
1 files changed, 0 insertions, 857 deletions
diff --git a/app/openssl/apps/smime.c b/app/openssl/apps/smime.c
deleted file mode 100644
index d1fe32d3..00000000
--- a/app/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_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;
- }
- 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;
-
- }