/*
 * call-seq:
 *    PKCS7.new => pkcs7
 *    PKCS7.new(string) => pkcs7
 *
 * Many methods in this class aren't documented.
 */
static VALUE
ossl_pkcs7_initialize(int argc, VALUE *argv, VALUE self)
{
    PKCS7 *p7, *pkcs = DATA_PTR(self);
    BIO *in;
    VALUE arg;

    if(rb_scan_args(argc, argv, "01", &arg) == 0)
	return self;
    arg = ossl_to_der_if_possible(arg);
    in = ossl_obj2bio(arg);
    p7 = PEM_read_bio_PKCS7(in, &pkcs, NULL, NULL);
    DATA_PTR(self) = pkcs;
    if (!p7) {
	OSSL_BIO_reset(in);
        p7 = d2i_PKCS7_bio(in, &pkcs);
	if (!p7)
	    ossl_raise(rb_eArgError, "Could not parse the PKCS7");
	DATA_PTR(self) = pkcs;
    }
    BIO_free(in);
    ossl_pkcs7_set_data(self, Qnil);
    ossl_pkcs7_set_err_string(self, Qnil);

    return self;
}
Ejemplo n.º 2
0
void openssl_pkcs7_encrypt()
{
	BIO *b;
	int len;
	FILE *fp;
	PKCS7 *p7;
	unsigned char *der, *p;
	const unsigned char edata[COMM_LEN] = "pkcs7 encrypt";

	p7 = PKCS7_new();
	PKCS7_set_type(p7, NID_pkcs7_encrypted);
	ASN1_INTEGER_set(p7->d.encrypted->version, 3);
	p7->d.encrypted->enc_data->algorithm->algorithm =
		OBJ_nid2obj(NID_des_ede3_cbc);
	p7->d.encrypted->enc_data->enc_data = ASN1_OCTET_STRING_new();
	ASN1_OCTET_STRING_set(p7->d.encrypted->enc_data->enc_data, edata, 14);
	len = i2d_PKCS7(p7, NULL);
	der = (unsigned char *)malloc(len);
	p = der;
	len = i2d_PKCS7(p7, &p);
	fp = fopen("/tmp/test.cer", "wb");
	fwrite(der, 1, len, fp);
	fclose(fp);

	PKCS7_free(p7);
	free(der);

	b = BIO_new_file("/tmp/test.pem", "r");
	p7 = PEM_read_bio_PKCS7(b, NULL, NULL, NULL);
	BIO_free(b);
	PKCS7_free(p7);
}
Ejemplo n.º 3
0
void pki_pkcs7::fromPEM_BIO(BIO *bio, QString name)
{
	PKCS7 *_p7 = PEM_read_bio_PKCS7(bio, NULL, NULL, NULL);
	openssl_error(name);
	if (p7)
		PKCS7_free(p7);
	p7 = _p7;
	setIntName(rmslashdot(name));
}
Ejemplo n.º 4
0
static PKCS7*
get_pkcs7_from_pem(const char* enc_entity)
{
  const char* p;
  char*  wrapped_enc_entity = NULL;
  BIO*   rbio = NULL;
  PKCS7* p7 = NULL;
 
  /* Check if encrypted entity is composed of raw data or if it has some
   * headers. In the latter case, just skip the headers. Headers are
   * separated from data by an empty line (hence sequence CRLF CRLF).*/
  
  if (p = strstr(enc_entity, CRLF CRLF)) {
    enc_entity = p+4;
  } else if (p = strstr(enc_entity, LF LF)) {
    enc_entity = p+2;
  } else if (p = strstr(enc_entity, CR CR)) {
    enc_entity = p+2;
  }
  
  /* Make sure the pem markers are there */
  
  LOG_PRINT("get_pkcs7_from_pem: wrapping in pem markers");

  if (!(wrapped_enc_entity = wrap_in_pem_markers(enc_entity, "PKCS7")))
    GOTO_ERR("no memory?");
  LOG_PRINT("get_pkcs7_from_pem: wrapped.");
  
  /* Set up BIO so encrypted/signed data can be read from pem file */
  
  if (!(rbio = set_read_BIO_from_buf(wrapped_enc_entity, -1))) goto err;
  
  LOG_PRINT("get_pkcs7_from_pem: ready to read PKCS7 bio...");

  /* Load the PKCS7 object from a pem file to internal representation.
   * this reads all of the data file. */
  
  if (!(p7=PEM_read_bio_PKCS7(rbio,NULL/*&x*/,NULL/*callback*/,NULL/*arg*/)))
    GOTO_ERR("11 corrupt PEM PKCS7 file? (PEM_read_bio_PKCS7)");

  LOG_PRINT("get_pkcs7_from_pem: bio read");

  BIO_free_all(rbio);
  Free(wrapped_enc_entity);
  return p7;
err:
  if (rbio) BIO_free_all(rbio);
  if (wrapped_enc_entity) Free(wrapped_enc_entity);
  return NULL;
}
Ejemplo n.º 5
0
static LUA_FUNCTION(openssl_pkcs7_read)
{
  BIO* bio = load_bio_object(L, 1);
  int fmt = luaL_checkoption(L, 2, "auto", format);
  PKCS7 *p7 = NULL;
  BIO* ctx = NULL;

  if (fmt == FORMAT_AUTO)
  {
    fmt = bio_is_der(bio) ? FORMAT_DER : FORMAT_PEM;
  }

  if (fmt == FORMAT_DER)
  {
    p7 = d2i_PKCS7_bio(bio, NULL);
    BIO_reset(bio);
  }
  else if (fmt == FORMAT_PEM)
  {
    p7 = PEM_read_bio_PKCS7(bio, NULL, NULL, NULL);
    BIO_reset(bio);
  }
  else if (fmt == FORMAT_SMIME)
  {
    p7 = SMIME_read_PKCS7(bio, &ctx);
  }

  BIO_free(bio);
  if (p7)
  {
    PUSH_OBJECT(p7, "openssl.pkcs7");
    if (ctx)
    {
      BUF_MEM* mem;
      BIO_get_mem_ptr(ctx, &mem);
      lua_pushlstring(L, mem->data, mem->length);
      BIO_free(ctx);
      return 2;
    }
    return 1;
  }
  return openssl_pushresult(L, 0);
}
Ejemplo n.º 6
0
/*
 * call-seq:
 *    PKCS7.new => pkcs7
 *    PKCS7.new(string) => pkcs7
 *
 * Many methods in this class aren't documented.
 */
static VALUE
ossl_pkcs7_initialize(int argc, VALUE *argv, VALUE self)
{
    PKCS7 *p7;
    BIO *in;
    VALUE arg;

    if(rb_scan_args(argc, argv, "01", &arg) == 0)
	return self;
    arg = ossl_to_der_if_possible(arg);
    in = ossl_obj2bio(arg);
    p7 = PEM_read_bio_PKCS7(in, (PKCS7 **)&DATA_PTR(self), NULL, NULL);
    if (!p7) {
	BIO_reset(in);
        p7 = d2i_PKCS7_bio(in, (PKCS7 **)&DATA_PTR(self));
    }
    BIO_free(in);
    ossl_pkcs7_set_data(self, Qnil);
    ossl_pkcs7_set_err_string(self, Qnil);

    return self;
}
Ejemplo n.º 7
0
static PKCS7 *pkcs7_get_signed_file(const char *filename, BIO **content, int format)
{
    PKCS7 *pkcs7;
    BIO *input;

    input = BIO_new_file(filename, "rb");
    if (!input) {
        return NULL;
    }

    *content = NULL;
    switch (format) {
    case PKCS7_INPUT_FORMAT_SMIME:
        pkcs7 = SMIME_read_PKCS7(input, content);
        break;

    case PKCS7_INPUT_FORMAT_PEM:
        pkcs7 = PEM_read_bio_PKCS7(input, NULL, NULL, "");
        break;

    case PKCS7_INPUT_FORMAT_DER:
        pkcs7 = d2i_PKCS7_bio(input, NULL);
        break;

    default:
        abort(); /* Should never reach here. */
        return NULL;
    };

    if (!pkcs7) {
        BIO_free(input);
        return NULL;
    }

    BIO_free(input);
    return pkcs7;
}
Ejemplo n.º 8
0
DVT_STATUS CERTIFICATE_FILE_CLASS::importPkcs7(const char* filename, bool, const char*)

//  DESCRIPTION     : Import certificates from a PKCS#7 formated file.
//  PRECONDITIONS   :
//  POSTCONDITIONS  :
//  EXCEPTIONS      : 
//  NOTES           : Returns MSG_OK, MSG_ERROR, MSG_FILE_NOT_EXIST, MSG_NO_VALUE, MSG_INVALID_PASSWORD
//<<===========================================================================
{
	DVT_STATUS status = MSG_ERROR;
	BIO* bio_ptr;
	unsigned long err;
	PKCS7 *p7_ptr = NULL;
	STACK_OF(X509) *certStack_ptr = NULL;
	int count = 0;


	// clear the error queue
	ERR_clear_error();

	// open the file
	bio_ptr = BIO_new(BIO_s_file_internal());
	if (bio_ptr == NULL)
	{
		openSslM_ptr->printError(loggerM_ptr, LOG_ERROR, "setting up to read PKCS #7 file");
		status = MSG_ERROR;
		goto end;
	}
	if (BIO_read_filename(bio_ptr, filename) <= 0)
	{
		err = ERR_peek_error();
		if ((ERR_GET_LIB(err) == ERR_LIB_SYS) && (ERR_GET_REASON(err) == ERROR_FILE_NOT_FOUND))
		{
			// file does not exist
			ERR_clear_error(); // eat any errors
			status = MSG_FILE_NOT_EXIST;
		}
		else
		{
			openSslM_ptr->printError(loggerM_ptr, LOG_ERROR, "opening PKCS #7 file for reading");
			status = MSG_ERROR;
		}
		goto end;
	}

	// try reading the file as a PEM file
	p7_ptr = PEM_read_bio_PKCS7(bio_ptr, NULL, NULL, NULL);

	if (p7_ptr == NULL)
	{
		err = ERR_peek_error();
		if ((ERR_GET_LIB(err) == ERR_LIB_PEM) && (ERR_GET_REASON(err) == PEM_R_NO_START_LINE))
		{
			// no PEM start line
			ERR_clear_error(); // eat any errors
			BIO_reset(bio_ptr); // reset the file to the beginning

			// try reading the file as DER
			p7_ptr = d2i_PKCS7_bio(bio_ptr, NULL);
		}
	}

	if (p7_ptr == NULL)
	{
		openSslM_ptr->printError(loggerM_ptr, LOG_ERROR, "reading PKCS #7 file");
		status = MSG_ERROR;
	}
	else
	{
		// get the certificates from the p7 structure
		int p7Type = OBJ_obj2nid(p7_ptr->type);
		switch (p7Type)
		{
		case NID_pkcs7_signed:
			certStack_ptr = p7_ptr->d.sign->cert;
			break;
		case NID_pkcs7_signedAndEnveloped:
			certStack_ptr = p7_ptr->d.signed_and_enveloped->cert;
			break;
		default:
			openSslM_ptr->printError(loggerM_ptr, LOG_ERROR, "unsupported PKCS #7 file type");
			status = MSG_ERROR;
			goto end;
		}


		if ((certStack_ptr != NULL) && (sk_X509_num(certStack_ptr) > 0))
		{
			X509* x509_ptr;

			// save each of the certificates
			while ((x509_ptr = sk_X509_shift(certStack_ptr)) != NULL)
			{
				if (!push(x509_ptr))
				{
					status = MSG_ERROR;
					goto end;
				}
				count++;
			}
		}

		if (count == 0)
		{
			status = MSG_NO_VALUE;
		}
		else
		{
			status = MSG_OK;
		}
	}

end:
	//	certStack_ptr freed by the PKCS7_free() below
	if (p7_ptr != NULL) PKCS7_free(p7_ptr);
	if (bio_ptr != NULL) BIO_free(bio_ptr);

	return status;
}
Ejemplo n.º 9
0
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
            cipher = EVP_des_ede3_cbc();
#else
            BIO_printf(bio_err, "No cipher selected\n");
            goto end;
#endif
        }
        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);
}
Ejemplo n.º 10
0
extern "C" PKCS7* CryptoNative_PemReadBioPkcs7(BIO* bp)
{
    return PEM_read_bio_PKCS7(bp, nullptr, nullptr, nullptr);
}
Ejemplo n.º 11
0
int
opkg_verify_file (char *text_file, char *sig_file)
{
#if defined HAVE_GPGME
    if (conf->check_signature == 0 )
        return 0;
    int status = -1;
    gpgme_ctx_t ctx;
    gpgme_data_t sig, text, key;
    gpgme_error_t err;
    gpgme_verify_result_t result;
    gpgme_signature_t s;
    char *trusted_path = NULL;

    gpgme_check_version (NULL);

    err = gpgme_new (&ctx);

    if (err)
	return -1;

    sprintf_alloc(&trusted_path, "%s/%s", conf->offline_root, "/etc/opkg/trusted.gpg");
    err = gpgme_data_new_from_file (&key, trusted_path, 1);
    free (trusted_path);
    if (err)
    {
      return -1;
    }
    err = gpgme_op_import (ctx, key);
    if (err)
    {
      gpgme_data_release (key);
      return -1;
    }
    gpgme_data_release (key);

    err = gpgme_data_new_from_file (&sig, sig_file, 1);
    if (err)
    {
	gpgme_release (ctx);
	return -1;
    }

    err = gpgme_data_new_from_file (&text, text_file, 1);
    if (err)
    {
        gpgme_data_release (sig);
	gpgme_release (ctx);
	return -1;
    }

    err = gpgme_op_verify (ctx, sig, text, NULL);

    result = gpgme_op_verify_result (ctx);
    if (!result)
	return -1;

    /* see if any of the signitures matched */
    s = result->signatures;
    while (s)
    {
	status = gpg_err_code (s->status);
	if (status == GPG_ERR_NO_ERROR)
	    break;
	s = s->next;
    }


    gpgme_data_release (sig);
    gpgme_data_release (text);
    gpgme_release (ctx);

    return status;
#elif defined HAVE_OPENSSL
    X509_STORE *store = NULL;
    PKCS7 *p7 = NULL;
    BIO *in = NULL, *indata = NULL;

    // Sig check failed by default !
    int status = -1;

    openssl_init();

    // Set-up the key store
    if(!(store = setup_verify(conf->signature_ca_file, conf->signature_ca_path))){
        opkg_msg(ERROR, "Can't open CA certificates.\n");
        goto verify_file_end;
    }

    // Open a BIO to read the sig file
    if (!(in = BIO_new_file(sig_file, "rb"))){
        opkg_msg(ERROR, "Can't open signature file %s.\n", sig_file);
        goto verify_file_end;
    }

    // Read the PKCS7 block contained in the sig file
    p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
    if(!p7){
        opkg_msg(ERROR, "Can't read signature file %s (Corrupted ?).\n",
		sig_file);
        goto verify_file_end;
    }
#if defined(HAVE_PATHFINDER)
    if(conf->check_x509_path){
	if(!pkcs7_pathfinder_verify_signers(p7)){
	    opkg_msg(ERROR, "pkcs7_pathfinder_verify_signers: "
		    "Path verification failed.\n");
	    goto verify_file_end;
	}
    }
#endif

    // Open the Package file to authenticate
    if (!(indata = BIO_new_file(text_file, "rb"))){
        opkg_msg(ERROR, "Can't open file %s.\n", text_file);
        goto verify_file_end;
    }

    // Let's verify the autenticity !
    if (PKCS7_verify(p7, NULL, store, indata, NULL, PKCS7_BINARY) != 1){
        // Get Off My Lawn!
        opkg_msg(ERROR, "Verification failure.\n");
    }else{
        // Victory !
        status = 0;
    }

verify_file_end:
    BIO_free(in);
    BIO_free(indata);
    PKCS7_free(p7);
    X509_STORE_free(store);

    return status;
#else
    /* mute `unused variable' warnings. */
    (void) sig_file;
    (void) text_file;
    (void) conf;
    return 0;
#endif
}
Ejemplo n.º 12
0
int pkcs7_main(int argc, char **argv)
{
    ENGINE *e = NULL;
    PKCS7 *p7 = NULL;
    BIO *in = NULL, *out = NULL;
    int informat = FORMAT_PEM, outformat = FORMAT_PEM;
    char *infile = NULL, *outfile = NULL, *prog;
    int i, print_certs = 0, text = 0, noout = 0, p7_print = 0, ret = 1;
    OPTION_CHOICE o;

    prog = opt_init(argc, argv, pkcs7_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(pkcs7_options);
            ret = 0;
            goto end;
        case OPT_INFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
                goto opthelp;
            break;
        case OPT_OUTFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
                goto opthelp;
            break;
        case OPT_IN:
            infile = opt_arg();
            break;
        case OPT_OUT:
            outfile = opt_arg();
            break;
        case OPT_NOOUT:
            noout = 1;
            break;
        case OPT_TEXT:
            text = 1;
            break;
        case OPT_PRINT:
            p7_print = 1;
            break;
        case OPT_PRINT_CERTS:
            print_certs = 1;
            break;
        case OPT_ENGINE:
            e = setup_engine(opt_arg(), 0);
            break;
        }
    }
    argc = opt_num_rest();
    if (argc != 0)
        goto opthelp;

    in = bio_open_default(infile, 'r', informat);
    if (in == NULL)
        goto end;

    if (informat == FORMAT_ASN1)
        p7 = d2i_PKCS7_bio(in, NULL);
    else
        p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
    if (p7 == NULL) {
        BIO_printf(bio_err, "unable to load PKCS7 object\n");
        ERR_print_errors(bio_err);
        goto end;
    }

    out = bio_open_default(outfile, 'w', outformat);
    if (out == NULL)
        goto end;

    if (p7_print)
        PKCS7_print_ctx(out, p7, 0, NULL);

    if (print_certs) {
        STACK_OF(X509) *certs = NULL;
        STACK_OF(X509_CRL) *crls = NULL;

        i = OBJ_obj2nid(p7->type);
        switch (i) {
        case NID_pkcs7_signed:
            if (p7->d.sign != NULL) {
                certs = p7->d.sign->cert;
                crls = p7->d.sign->crl;
            }
            break;
        case NID_pkcs7_signedAndEnveloped:
            if (p7->d.signed_and_enveloped != NULL) {
                certs = p7->d.signed_and_enveloped->cert;
                crls = p7->d.signed_and_enveloped->crl;
            }
            break;
        default:
            break;
        }

        if (certs != NULL) {
            X509 *x;

            for (i = 0; i < sk_X509_num(certs); i++) {
                x = sk_X509_value(certs, i);
                if (text)
                    X509_print(out, x);
                else
                    dump_cert_text(out, x);

                if (!noout)
                    PEM_write_bio_X509(out, x);
                BIO_puts(out, "\n");
            }
        }
        if (crls != NULL) {
            X509_CRL *crl;

            for (i = 0; i < sk_X509_CRL_num(crls); i++) {
                crl = sk_X509_CRL_value(crls, i);

                X509_CRL_print_ex(out, crl, get_nameopt());

                if (!noout)
                    PEM_write_bio_X509_CRL(out, crl);
                BIO_puts(out, "\n");
            }
        }

        ret = 0;
        goto end;
    }

    if (!noout) {
        if (outformat == FORMAT_ASN1)
            i = i2d_PKCS7_bio(out, p7);
        else
            i = PEM_write_bio_PKCS7(out, p7);

        if (!i) {
            BIO_printf(bio_err, "unable to write pkcs7 object\n");
            ERR_print_errors(bio_err);
            goto end;
        }
    }
    ret = 0;
 end:
    PKCS7_free(p7);
    release_engine(e);
    BIO_free(in);
    BIO_free_all(out);
    return ret;
}
Ejemplo n.º 13
0
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;
	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 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, "-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, "-nooldmime"))
				flags |= PKCS7_NOOLDMIMETYPE;
		else if (!strcmp (*args, "-crlfeol"))
				flags |= PKCS7_CRLFEOL;
		else if (!strcmp(*args,"-rand"))
			{
			if (args[1])
				{
				args++;
				inrand = *args;
				}
			else
				badarg = 1;
			need_rand = 1;
			}
#ifndef OPENSSL_NO_ENGINE
		else if (!strcmp(*args,"-engine"))
			{
			if (args[1])
				{
				args++;
				engine = *args;
				}
			else badarg = 1;
			}
#endif
		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, "-keyform"))
			{
			if (args[1])
				{
				args++;
				keyform = str2fmt(*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 if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
			continue;
		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 && !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)
		{
		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_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();
#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 (signerfile && (operation == SMIME_SIGN))
		{
		if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM, NULL,
			e, "signer certificate")))
			{
#if 0			/* An appropri message has already been printed */
			BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile);
#endif
			goto end;
			}
		}

	if (certfile)
		{
		if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
			e, "certificate file")))
			{
#if 0			/* An appropriate message has already been printed */
			BIO_printf(bio_err, "Can't read certificate file %s\n", certfile);
#endif
			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")))
			{
#if 0			/* An appropriate message has alrady been printed */
			BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile);
#endif
			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 (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_func(store, smime_cb);
		if (vpm)
			X509_STORE_set1_param(store, vpm);
		}


	ret = 3;

	if (operation == SMIME_ENCRYPT)
		p7 = PKCS7_encrypt(encerts, in, cipher, flags);
	else if (operation == SMIME_SIGN)
		{
		/* If detached data and SMIME output enable partial
		 * signing.
		 */
		if ((flags & PKCS7_DETACHED) && (outformat == FORMAT_SMIME))
			flags |= PKCS7_STREAM;
		p7 = PKCS7_sign(signer, key, other, in, flags);
		}
	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);
	if (vpm)
		X509_VERIFY_PARAM_free(vpm);
	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);
}
Ejemplo n.º 14
0
static int parse_pkcs7_data(const options_t *options, const CRYPT_DATA_BLOB *blob)
{
	int result = 0;
	const cert_format_e input_fmt = CERT_FORMAT_DER;
	PKCS7 *p7 = NULL;
	BIO *in = NULL;

	CRYPTO_malloc_init();
	ERR_load_crypto_strings();
	OpenSSL_add_all_algorithms();

	in = BIO_new_mem_buf(blob->pbData, blob->cbData);
	if (in == NULL) {
		result = -2;
		goto error;
	}

	switch (input_fmt) {
		default: EXIT_ERROR("unhandled input format for certificate");
		case CERT_FORMAT_DER:
			p7 = d2i_PKCS7_bio(in, NULL);
			break;
		case CERT_FORMAT_PEM:
			p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
			break;
	}
	if (p7 == NULL) {
		ERR_print_errors_fp(stderr);
		result = -3;
		goto error;
	}

	STACK_OF(X509) *certs = NULL;

	int type = OBJ_obj2nid(p7->type);
	switch (type) {
		default: break;
		case NID_pkcs7_signed: // PKCS7_type_is_signed(p7)
			certs = p7->d.sign->cert;
			break;
		case NID_pkcs7_signedAndEnveloped: // PKCS7_type_is_signedAndEnveloped(p7)
			certs = p7->d.signed_and_enveloped->cert;
			break;
	}

	const int numcerts = certs != NULL ? sk_X509_num(certs) : 0;
	for (int i = 0; i < numcerts; i++) {
		X509 *cert = sk_X509_value(certs, i);
		print_certificate(options->certout, options->certoutform, cert);
		// NOTE: Calling X509_free(cert) is unnecessary.
	}

	// Print whether certificate signature is valid
	if (numcerts > 0) {
		X509 *subject = sk_X509_value(certs, 0);
		X509 *issuer = sk_X509_value(certs, numcerts - 1);
		int valid_sig = X509_verify(subject, X509_get_pubkey(issuer));
		output("Signature", valid_sig == 1 ? "valid" : "invalid");
	}

	// Print signers
	if (numcerts > 0) {
		output_open_scope("signers", OUTPUT_SCOPE_TYPE_ARRAY);
		for (int i = 0; i < numcerts; i++) {
			X509 *cert = sk_X509_value(certs, i);
			X509_NAME *name = X509_get_subject_name(cert);

			int issuer_name_len = X509_NAME_get_text_by_NID(name, NID_commonName, NULL, 0);
			if (issuer_name_len > 0) {
				output_open_scope("signer", OUTPUT_SCOPE_TYPE_OBJECT);
				char issuer_name[issuer_name_len + 1];
				X509_NAME_get_text_by_NID(name, NID_commonName, issuer_name, issuer_name_len + 1);
				output("Issuer", issuer_name);
				output_close_scope(); // signer
			}
		}
		output_close_scope(); // signers
	}

error:
	if (p7 != NULL)
		PKCS7_free(p7);
	if (in != NULL)
		BIO_free(in);

	// Deallocate everything from OpenSSL_add_all_algorithms
	EVP_cleanup();
	// Deallocate everything from ERR_load_crypto_strings
	ERR_free_strings();

	return result;
}
Ejemplo n.º 15
0
int
easy_pkcs7_verify(const char *content, size_t len,
    const char *signature, size_t signature_len,
    const char *anchor, int is_pkg)
{
	STACK_OF(X509) *cert_chain, *signers;
	X509_STORE *store;
	BIO *sig, *in;
	PKCS7 *p7;
	int i, status;
	X509_NAME *name;
	char *subject;

	OpenSSL_add_all_algorithms();
	ERR_load_crypto_strings();

	status = -1;

	if (cert_chain_file)
		cert_chain = file_to_certs(cert_chain_file);
	else
		cert_chain = NULL;

	store = X509_STORE_new();
	if (store == NULL) {
		sk_X509_free(cert_chain);
		warnx("Failed to create certificate store");
		return -1;
	}

	X509_STORE_load_locations(store, anchor, NULL);

	in = BIO_new_mem_buf(__UNCONST(content), len);
	sig = BIO_new_mem_buf(__UNCONST(signature), signature_len);
	signers = NULL;

	p7 = PEM_read_bio_PKCS7(sig, NULL, NULL, NULL);
	if (p7 == NULL) {
		warnx("Failed to parse the signature");
		goto cleanup;
	}

	if (PKCS7_verify(p7, cert_chain, store, in, NULL, 0) != 1) {
		warnx("Failed to verify signature");
		goto cleanup;
	}

	signers = PKCS7_get0_signers(p7, NULL, 0);
	if (signers == NULL) {
		warnx("Failed to get signers");
		goto cleanup;
	}
    
	if (sk_X509_num(signers) == 0) {
		warnx("No signers found");
		goto cleanup;
	}

	for (i = 0; i < sk_X509_num(signers); i++) {
		/* Compute ex_xkusage */
		X509_check_purpose(sk_X509_value(signers, i), -1, -1);

		if (check_ca(sk_X509_value(signers, i))) {
			warnx("CA keys are not valid for signatures");
			goto cleanup;
		}
		if (is_pkg) {
			if (sk_X509_value(signers, i)->ex_xkusage != pkg_key_usage) {
				warnx("Certificate must have CODE SIGNING "
				    "and EMAIL PROTECTION property");
				goto cleanup;
			}
		} else {
			if (sk_X509_value(signers, i)->ex_xkusage != 0) {
				warnx("Certificate must not have any property");
				goto cleanup;
			}
		}
	}

	printf("Sigature ok, signed by:\n");

	for (i = 0; i < sk_X509_num(signers); i++) {
		name = X509_get_subject_name(sk_X509_value(signers, i));
		subject = X509_NAME_oneline(name, NULL, 0);

		printf("\t%s\n", subject);

		OPENSSL_free(subject);
	}

	status = 0;

cleanup:
	sk_X509_free(cert_chain);
	sk_X509_free(signers);
	X509_STORE_free(store);

	PKCS7_free(p7);
	BIO_free(in);
	BIO_free(sig);

	return status;
}
Ejemplo n.º 16
0
int
smime_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;
	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;

	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_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;
#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;
	} 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;
		}
	} 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_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, "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;
	}
	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"))) {
				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);
	}

	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 (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);
	free(passin);

	return (ret);
}
Ejemplo n.º 17
0
PKCS7* CryptoNative_PemReadBioPkcs7(BIO* bp)
{
    return PEM_read_bio_PKCS7(bp, NULL, NULL, NULL);
}
Ejemplo n.º 18
0
int MAIN(int argc, char **argv)
	{
	PKCS7 *p7=NULL;
	int i,badops=0;
	BIO *in=NULL,*out=NULL;
	int informat,outformat;
	char *infile,*outfile,*prog;
	int print_certs=0,text=0,noout=0,p7_print=0;
	int ret=1;
#ifndef OPENSSL_NO_ENGINE
	char *engine=NULL;
#endif

	apps_startup();

	if (bio_err == NULL)
		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
			BIO_set_fp(bio_err,OPENSSL_TYPE__FILE_STDERR,BIO_NOCLOSE|BIO_FP_TEXT);

	if (!load_config(bio_err, NULL))
		goto end;

	infile=NULL;
	outfile=NULL;
	informat=FORMAT_PEM;
	outformat=FORMAT_PEM;

	prog=argv[0];
	argc--;
	argv++;
	while (argc >= 1)
		{
		if 	(TINYCLR_SSL_STRCMP(*argv,"-inform") == 0)
			{
			if (--argc < 1) goto bad;
			informat=str2fmt(*(++argv));
			}
		else if (TINYCLR_SSL_STRCMP(*argv,"-outform") == 0)
			{
			if (--argc < 1) goto bad;
			outformat=str2fmt(*(++argv));
			}
		else if (TINYCLR_SSL_STRCMP(*argv,"-in") == 0)
			{
			if (--argc < 1) goto bad;
			infile= *(++argv);
			}
		else if (TINYCLR_SSL_STRCMP(*argv,"-out") == 0)
			{
			if (--argc < 1) goto bad;
			outfile= *(++argv);
			}
		else if (TINYCLR_SSL_STRCMP(*argv,"-noout") == 0)
			noout=1;
		else if (TINYCLR_SSL_STRCMP(*argv,"-text") == 0)
			text=1;
		else if (TINYCLR_SSL_STRCMP(*argv,"-print") == 0)
			p7_print=1;
		else if (TINYCLR_SSL_STRCMP(*argv,"-print_certs") == 0)
			print_certs=1;
#ifndef OPENSSL_NO_ENGINE
		else if (TINYCLR_SSL_STRCMP(*argv,"-engine") == 0)
			{
			if (--argc < 1) goto bad;
			engine= *(++argv);
			}
#endif
		else
			{
			BIO_printf(bio_err,"unknown option %s\n",*argv);
			badops=1;
			break;
			}
		argc--;
		argv++;
		}

	if (badops)
		{
bad:
		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
		BIO_printf(bio_err,"where options are\n");
		BIO_printf(bio_err," -inform arg   input format - DER or PEM\n");
		BIO_printf(bio_err," -outform arg  output format - DER or PEM\n");
		BIO_printf(bio_err," -in arg       input file\n");
		BIO_printf(bio_err," -out arg      output file\n");
		BIO_printf(bio_err," -print_certs  print any certs or crl in the input\n");
		BIO_printf(bio_err," -text         print full details of certificates\n");
		BIO_printf(bio_err," -noout        don't output encoded data\n");
#ifndef OPENSSL_NO_ENGINE
		BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
#endif
		ret = 1;
		goto end;
		}

	ERR_load_crypto_strings();

#ifndef OPENSSL_NO_ENGINE
        setup_engine(bio_err, engine, 0);
#endif

	in=BIO_new(BIO_s_file());
	out=BIO_new(BIO_s_file());
	if ((in == NULL) || (out == NULL))
		{
		ERR_print_errors(bio_err);
                goto end;
                }

	if (infile == NULL)
		BIO_set_fp(in,OPENSSL_TYPE__FILE_STDIN,BIO_NOCLOSE);
	else
		{
		if (BIO_read_filename(in,infile) <= 0)
		if (in == NULL)
			{
			TINYCLR_SSL_PERROR(infile);
			goto end;
			}
		}

	if	(informat == FORMAT_ASN1)
		p7=d2i_PKCS7_bio(in,NULL);
	else if (informat == FORMAT_PEM)
		p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
	else
		{
		BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
		goto end;
		}
	if (p7 == NULL)
		{
		BIO_printf(bio_err,"unable to load PKCS7 object\n");
		ERR_print_errors(bio_err);
		goto end;
		}

	if (outfile == NULL)
		{
		BIO_set_fp(out,OPENSSL_TYPE__FILE_STDOUT,BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
		{
		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		out = BIO_push(tmpbio, out);
		}
#endif
		}
	else
		{
		if (BIO_write_filename(out,outfile) <= 0)
			{
			TINYCLR_SSL_PERROR(outfile);
			goto end;
			}
		}

	if (p7_print)
		PKCS7_print_ctx(out, p7, 0, NULL);

	if (print_certs)
		{
		STACK_OF(X509) *certs=NULL;
		STACK_OF(X509_CRL) *crls=NULL;

		i=OBJ_obj2nid(p7->type);
		switch (i)
			{
		case NID_pkcs7_signed:
			certs=p7->d.sign->cert;
			crls=p7->d.sign->crl;
			break;
		case NID_pkcs7_signedAndEnveloped:
			certs=p7->d.signed_and_enveloped->cert;
			crls=p7->d.signed_and_enveloped->crl;
			break;
		default:
			break;
			}

		if (certs != NULL)
			{
			X509 *x;

			for (i=0; i<sk_X509_num(certs); i++)
				{
				x=sk_X509_value(certs,i);
				if(text) X509_print(out, x);
				else dump_cert_text(out, x);

				if(!noout) PEM_write_bio_X509(out,x);
				BIO_puts(out,"\n");
				}
			}
		if (crls != NULL)
			{
			X509_CRL *crl;

			for (i=0; i<sk_X509_CRL_num(crls); i++)
				{
				crl=sk_X509_CRL_value(crls,i);

				X509_CRL_print(out, crl);

				if(!noout)PEM_write_bio_X509_CRL(out,crl);
				BIO_puts(out,"\n");
				}
			}

		ret=0;
		goto end;
		}

	if(!noout) {
		if 	(outformat == FORMAT_ASN1)
			i=i2d_PKCS7_bio(out,p7);
		else if (outformat == FORMAT_PEM)
			i=PEM_write_bio_PKCS7(out,p7);
		else	{
			BIO_printf(bio_err,"bad output format specified for outfile\n");
			goto end;
			}

		if (!i)
			{
			BIO_printf(bio_err,"unable to write pkcs7 object\n");
			ERR_print_errors(bio_err);
			goto end;
			}
	}
	ret=0;
end:
	if (p7 != NULL) PKCS7_free(p7);
	if (in != NULL) BIO_free(in);
	if (out != NULL) BIO_free_all(out);
	apps_shutdown();
	OPENSSL_EXIT(ret);
	}
Ejemplo n.º 19
0
int
pkcs7_main(int argc, char **argv)
{
	PKCS7 *p7 = NULL;
	BIO *in = NULL, *out = NULL;
	int ret = 1;
	int i;

	memset(&pkcs7_config, 0, sizeof(pkcs7_config));

	pkcs7_config.informat = FORMAT_PEM;
	pkcs7_config.outformat = FORMAT_PEM;

	if (options_parse(argc, argv, pkcs7_options, NULL, NULL) != 0) {
		pkcs7_usage();
		goto end;
	}

#ifndef OPENSSL_NO_ENGINE
	setup_engine(bio_err, pkcs7_config.engine, 0);
#endif

	in = BIO_new(BIO_s_file());
	out = BIO_new(BIO_s_file());
	if ((in == NULL) || (out == NULL)) {
		ERR_print_errors(bio_err);
		goto end;
	}
	if (pkcs7_config.infile == NULL)
		BIO_set_fp(in, stdin, BIO_NOCLOSE);
	else {
		if (BIO_read_filename(in, pkcs7_config.infile) <= 0) {
			perror(pkcs7_config.infile);
			goto end;
		}
	}

	if (pkcs7_config.informat == FORMAT_ASN1)
		p7 = d2i_PKCS7_bio(in, NULL);
	else if (pkcs7_config.informat == FORMAT_PEM)
		p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
	else {
		BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
		goto end;
	}
	if (p7 == NULL) {
		BIO_printf(bio_err, "unable to load PKCS7 object\n");
		ERR_print_errors(bio_err);
		goto end;
	}
	if (pkcs7_config.outfile == NULL) {
		BIO_set_fp(out, stdout, BIO_NOCLOSE);
	} else {
		if (BIO_write_filename(out, pkcs7_config.outfile) <= 0) {
			perror(pkcs7_config.outfile);
			goto end;
		}
	}

	if (pkcs7_config.p7_print)
		PKCS7_print_ctx(out, p7, 0, NULL);

	if (pkcs7_config.print_certs) {
		STACK_OF(X509) * certs = NULL;
		STACK_OF(X509_CRL) * crls = NULL;

		i = OBJ_obj2nid(p7->type);
		switch (i) {
		case NID_pkcs7_signed:
			certs = p7->d.sign->cert;
			crls = p7->d.sign->crl;
			break;
		case NID_pkcs7_signedAndEnveloped:
			certs = p7->d.signed_and_enveloped->cert;
			crls = p7->d.signed_and_enveloped->crl;
			break;
		default:
			break;
		}

		if (certs != NULL) {
			X509 *x;

			for (i = 0; i < sk_X509_num(certs); i++) {
				x = sk_X509_value(certs, i);
				if (pkcs7_config.text)
					X509_print(out, x);
				else
					dump_cert_text(out, x);

				if (!pkcs7_config.noout)
					PEM_write_bio_X509(out, x);
				BIO_puts(out, "\n");
			}
		}
		if (crls != NULL) {
			X509_CRL *crl;

			for (i = 0; i < sk_X509_CRL_num(crls); i++) {
				crl = sk_X509_CRL_value(crls, i);

				X509_CRL_print(out, crl);

				if (!pkcs7_config.noout)
					PEM_write_bio_X509_CRL(out, crl);
				BIO_puts(out, "\n");
			}
		}
		ret = 0;
		goto end;
	}
	if (!pkcs7_config.noout) {
		if (pkcs7_config.outformat == FORMAT_ASN1)
			i = i2d_PKCS7_bio(out, p7);
		else if (pkcs7_config.outformat == FORMAT_PEM)
			i = PEM_write_bio_PKCS7(out, p7);
		else {
			BIO_printf(bio_err, "bad output format specified for outfile\n");
			goto end;
		}

		if (!i) {
			BIO_printf(bio_err, "unable to write pkcs7 object\n");
			ERR_print_errors(bio_err);
			goto end;
		}
	}
	ret = 0;
end:
	if (p7 != NULL)
		PKCS7_free(p7);
	if (in != NULL)
		BIO_free(in);
	if (out != NULL)
		BIO_free_all(out);

	return (ret);
}
Ejemplo n.º 20
0
int
main(int argc, char **argv)
{
	BIO *bio_in, *bio_content, *bio_out, *bio_cert, *bio_pkey;
	STACK_OF(X509) *certs;
	const EVP_CIPHER *cipher;
	EVP_PKEY *pkey;
	X509_STORE *store;
	X509 *cert;
	PKCS7 *p7;
	size_t len;
	char *out;
	int flags;

	ERR_load_crypto_strings();
	OpenSSL_add_all_algorithms();

	/*
	 * A bunch of setup...
	 */
	cipher = EVP_aes_256_cbc();
	if (cipher == NULL)
		fatal("cipher");

	certs = sk_X509_new_null();
	if (certs == NULL)
		fatal("sk_X509_new_null");

	bio_cert = BIO_new_mem_buf((char *)certificate, sizeof(certificate));
	if (bio_cert == NULL)
		fatal("BIO_new_mem_buf certificate");

	cert = PEM_read_bio_X509_AUX(bio_cert, NULL, NULL, NULL);
	if (cert == NULL)
		fatal("PEM_read_bio_X509_AUX");
	sk_X509_push(certs, cert);

	store = X509_STORE_new();
	if (store == NULL)
		fatal("X509_STORE_new");
	X509_STORE_set_verify_cb(store, x509_store_callback);

	bio_pkey = BIO_new_mem_buf((char *)private_key, sizeof(private_key));
	if (bio_pkey == NULL)
		fatal("BIO_new_mem_buf private_key");

	pkey = PEM_read_bio_PrivateKey(bio_pkey, NULL, NULL, NULL);
	if (pkey == NULL)
		fatal("PEM_read_bio_PrivateKey");

	bio_content = BIO_new_mem_buf((char *)message, sizeof(message));
	if (bio_content == NULL)
		fatal("BIO_new_mem_buf message");

	/*
	 * Encrypt and then decrypt.
	 */
	if (BIO_reset(bio_content) != 1)
		fatal("BIO_reset");
	bio_out = BIO_new(BIO_s_mem());
	if (bio_out == NULL)
		fatal("BIO_new");

	p7 = PKCS7_encrypt(certs, bio_content, cipher, 0);
	if (p7 == NULL)
		fatal("PKCS7_encrypt");
	if (PEM_write_bio_PKCS7(bio_out, p7) != 1)
		fatal("PEM_write_bio_PKCS7");
	PKCS7_free(p7);

	bio_in = bio_out;
	bio_out = BIO_new(BIO_s_mem());
	if (bio_out == NULL)
		fatal("BIO_new");

	p7 = PEM_read_bio_PKCS7(bio_in, NULL, NULL, NULL);
	if (p7 == NULL)
		fatal("PEM_read_bio_PKCS7");
	if (PKCS7_decrypt(p7, pkey, cert, bio_out, 0) != 1)
		fatal("PKCS7_decrypt");

	len = BIO_get_mem_data(bio_out, &out);
	message_compare(out, len);

	BIO_free(bio_out);

	/*
	 * Sign and then verify.
	 */
	if (BIO_reset(bio_content) != 1)
		fatal("BIO_reset");
	bio_out = BIO_new(BIO_s_mem());
	if (bio_out == NULL)
		fatal("BIO_new");

	p7 = PKCS7_sign(cert, pkey, certs, bio_content, 0);
	if (p7 == NULL)
		fatal("PKCS7_sign");
	if (PEM_write_bio_PKCS7(bio_out, p7) != 1)
		fatal("PEM_write_bio_PKCS7");
	PKCS7_free(p7);

	bio_in = bio_out;
	bio_out = BIO_new(BIO_s_mem());
	if (bio_out == NULL)
		fatal("BIO_new");

	p7 = PEM_read_bio_PKCS7(bio_in, NULL, NULL, NULL);
	if (p7 == NULL)
		fatal("PEM_read_bio_PKCS7");
	if (PKCS7_verify(p7, certs, store, NULL, bio_out, 0) != 1)
		fatal("PKCS7_verify");

	len = BIO_get_mem_data(bio_out, &out);
	message_compare(out, len);

	BIO_free(bio_in);
	BIO_free(bio_out);

	/*
	 * Sign and then verify with a detached signature.
	 */
	if (BIO_reset(bio_content) != 1)
		fatal("BIO_reset");
	bio_out = BIO_new(BIO_s_mem());
	if (bio_out == NULL)
		fatal("BIO_new");

	flags = PKCS7_DETACHED|PKCS7_PARTIAL;
	p7 = PKCS7_sign(NULL, NULL, NULL, bio_content, flags);
	if (p7 == NULL)
		fatal("PKCS7_sign");
	if (PKCS7_sign_add_signer(p7, cert, pkey, NULL, flags) == NULL)
		fatal("PKCS7_sign_add_signer");
	if (PKCS7_final(p7, bio_content, flags) != 1)
		fatal("PKCS7_final");
	if (PEM_write_bio_PKCS7(bio_out, p7) != 1)
		fatal("PEM_write_bio_PKCS7");
	PKCS7_free(p7);

	/* bio_out contains only the detached signature. */
	bio_in = bio_out;
	if (BIO_reset(bio_content) != 1)
		fatal("BIO_reset");

	bio_out = BIO_new(BIO_s_mem());
	if (bio_out == NULL)
		fatal("BIO_new");

	p7 = PEM_read_bio_PKCS7(bio_in, NULL, NULL, NULL);
	if (p7 == NULL)
		fatal("PEM_read_bio_PKCS7");
	if (PKCS7_verify(p7, certs, store, bio_content, bio_out, flags) != 1)
		fatal("PKCS7_verify");

	len = BIO_get_mem_data(bio_out, &out);
	message_compare(out, len);

	BIO_free(bio_in);
	BIO_free(bio_out);
	BIO_free(bio_content);

	return 0;
}