1 files changed, 213 insertions, 0 deletions

diff --git a/src/lib/libcrypto/pkcs7/pk7_asn1.c b/src/lib/libcrypto/pkcs7/pk7_asn1.c
new file mode 100644
index 0000000000..46f0fc9375
--- /dev/null
+++ b/src/lib/libcrypto/pkcs7/pk7_asn1.c
@@ -0,0 +1,213 @@
+/* pk7_asn.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+ * project 2000.
+ */
+/* ====================================================================
+ * Copyright (c) 2000 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).
+ *
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/pkcs7.h>
+#include <openssl/x509.h>
+
+/* PKCS#7 ASN1 module */
+
+/* This is the ANY DEFINED BY table for the top level PKCS#7 structure */
+
+ASN1_ADB_TEMPLATE(p7default) = ASN1_EXP_OPT(PKCS7, d.other, ASN1_ANY, 0);
+
+ASN1_ADB(PKCS7) = {
+        ADB_ENTRY(NID_pkcs7_data, ASN1_EXP_OPT(PKCS7, d.data, ASN1_OCTET_STRING, 0)),
+        ADB_ENTRY(NID_pkcs7_signed, ASN1_EXP_OPT(PKCS7, d.sign, PKCS7_SIGNED, 0)),
+        ADB_ENTRY(NID_pkcs7_enveloped, ASN1_EXP_OPT(PKCS7, d.enveloped, PKCS7_ENVELOPE, 0)),
+        ADB_ENTRY(NID_pkcs7_signedAndEnveloped, ASN1_EXP_OPT(PKCS7, d.signed_and_enveloped, PKCS7_SIGN_ENVELOPE, 0)),
+        ADB_ENTRY(NID_pkcs7_digest, ASN1_EXP_OPT(PKCS7, d.digest, PKCS7_DIGEST, 0)),
+        ADB_ENTRY(NID_pkcs7_encrypted, ASN1_EXP_OPT(PKCS7, d.encrypted, PKCS7_ENCRYPT, 0))
+} ASN1_ADB_END(PKCS7, 0, type, 0, &p7default_tt, NULL);
+
+ASN1_SEQUENCE(PKCS7) = {
+        ASN1_SIMPLE(PKCS7, type, ASN1_OBJECT),
+        ASN1_ADB_OBJECT(PKCS7)
+}ASN1_SEQUENCE_END(PKCS7)
+
+IMPLEMENT_ASN1_FUNCTIONS(PKCS7)
+IMPLEMENT_ASN1_DUP_FUNCTION(PKCS7)
+
+ASN1_SEQUENCE(PKCS7_SIGNED) = {
+        ASN1_SIMPLE(PKCS7_SIGNED, version, ASN1_INTEGER),
+        ASN1_SET_OF(PKCS7_SIGNED, md_algs, X509_ALGOR),
+        ASN1_SIMPLE(PKCS7_SIGNED, contents, PKCS7),
+        ASN1_IMP_SEQUENCE_OF_OPT(PKCS7_SIGNED, cert, X509, 0),
+        ASN1_IMP_SET_OF_OPT(PKCS7_SIGNED, crl, X509_CRL, 1),
+        ASN1_SET_OF(PKCS7_SIGNED, signer_info, PKCS7_SIGNER_INFO)
+} ASN1_SEQUENCE_END(PKCS7_SIGNED)
+
+IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGNED)
+
+/* Minor tweak to operation: free up EVP_PKEY */
+static int si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
+{
+        if(operation == ASN1_OP_FREE_POST) {
+                PKCS7_SIGNER_INFO *si = (PKCS7_SIGNER_INFO *)*pval;
+                EVP_PKEY_free(si->pkey);
+        }
+        return 1;
+}
+
+ASN1_SEQUENCE_cb(PKCS7_SIGNER_INFO, si_cb) = {
+        ASN1_SIMPLE(PKCS7_SIGNER_INFO, version, ASN1_INTEGER),
+        ASN1_SIMPLE(PKCS7_SIGNER_INFO, issuer_and_serial, PKCS7_ISSUER_AND_SERIAL),
+        ASN1_SIMPLE(PKCS7_SIGNER_INFO, digest_alg, X509_ALGOR),
+        /* NB this should be a SET OF but we use a SEQUENCE OF so the
+         * original order * is retained when the structure is reencoded.
+         * Since the attributes are implicitly tagged this will not affect
+         * the encoding.
+         */
+        ASN1_IMP_SEQUENCE_OF_OPT(PKCS7_SIGNER_INFO, auth_attr, X509_ATTRIBUTE, 0),
+        ASN1_SIMPLE(PKCS7_SIGNER_INFO, digest_enc_alg, X509_ALGOR),
+        ASN1_SIMPLE(PKCS7_SIGNER_INFO, enc_digest, ASN1_OCTET_STRING),
+        ASN1_IMP_SET_OF_OPT(PKCS7_SIGNER_INFO, unauth_attr, X509_ATTRIBUTE, 1)
+} ASN1_SEQUENCE_END_cb(PKCS7_SIGNER_INFO, PKCS7_SIGNER_INFO)
+
+IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGNER_INFO)
+
+ASN1_SEQUENCE(PKCS7_ISSUER_AND_SERIAL) = {
+        ASN1_SIMPLE(PKCS7_ISSUER_AND_SERIAL, issuer, X509_NAME),
+        ASN1_SIMPLE(PKCS7_ISSUER_AND_SERIAL, serial, ASN1_INTEGER)
+} ASN1_SEQUENCE_END(PKCS7_ISSUER_AND_SERIAL)
+
+IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ISSUER_AND_SERIAL)
+
+ASN1_SEQUENCE(PKCS7_ENVELOPE) = {
+        ASN1_SIMPLE(PKCS7_ENVELOPE, version, ASN1_INTEGER),
+        ASN1_SET_OF(PKCS7_ENVELOPE, recipientinfo, PKCS7_RECIP_INFO),
+        ASN1_SIMPLE(PKCS7_ENVELOPE, enc_data, PKCS7_ENC_CONTENT)
+} ASN1_SEQUENCE_END(PKCS7_ENVELOPE)
+
+IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENVELOPE)
+
+/* Minor tweak to operation: free up X509 */
+static int ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
+{
+        if(operation == ASN1_OP_FREE_POST) {
+                PKCS7_RECIP_INFO *ri = (PKCS7_RECIP_INFO *)*pval;
+                X509_free(ri->cert);
+        }
+        return 1;
+}
+
+ASN1_SEQUENCE_cb(PKCS7_RECIP_INFO, ri_cb) = {
+        ASN1_SIMPLE(PKCS7_RECIP_INFO, version, ASN1_INTEGER),
+        ASN1_SIMPLE(PKCS7_RECIP_INFO, issuer_and_serial, PKCS7_ISSUER_AND_SERIAL),
+        ASN1_SIMPLE(PKCS7_RECIP_INFO, key_enc_algor, X509_ALGOR),
+        ASN1_SIMPLE(PKCS7_RECIP_INFO, enc_key, ASN1_OCTET_STRING)
+} ASN1_SEQUENCE_END_cb(PKCS7_RECIP_INFO, PKCS7_RECIP_INFO)
+
+IMPLEMENT_ASN1_FUNCTIONS(PKCS7_RECIP_INFO)
+
+ASN1_SEQUENCE(PKCS7_ENC_CONTENT) = {
+        ASN1_SIMPLE(PKCS7_ENC_CONTENT, content_type, ASN1_OBJECT),
+        ASN1_SIMPLE(PKCS7_ENC_CONTENT, algorithm, X509_ALGOR),
+        ASN1_IMP_OPT(PKCS7_ENC_CONTENT, enc_data, ASN1_OCTET_STRING, 0)
+} ASN1_SEQUENCE_END(PKCS7_ENC_CONTENT)
+
+IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENC_CONTENT)
+
+ASN1_SEQUENCE(PKCS7_SIGN_ENVELOPE) = {
+        ASN1_SIMPLE(PKCS7_SIGN_ENVELOPE, version, ASN1_INTEGER),
+        ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, recipientinfo, PKCS7_RECIP_INFO),
+        ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, md_algs, X509_ALGOR),
+        ASN1_SIMPLE(PKCS7_SIGN_ENVELOPE, enc_data, PKCS7_ENC_CONTENT),
+        ASN1_IMP_SET_OF_OPT(PKCS7_SIGN_ENVELOPE, cert, X509, 0),
+        ASN1_IMP_SET_OF_OPT(PKCS7_SIGN_ENVELOPE, crl, X509_CRL, 1),
+        ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, signer_info, PKCS7_SIGNER_INFO)
+} ASN1_SEQUENCE_END(PKCS7_SIGN_ENVELOPE)
+
+IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGN_ENVELOPE)
+
+ASN1_SEQUENCE(PKCS7_ENCRYPT) = {
+        ASN1_SIMPLE(PKCS7_ENCRYPT, version, ASN1_INTEGER),
+        ASN1_SIMPLE(PKCS7_ENCRYPT, enc_data, PKCS7_ENC_CONTENT)
+} ASN1_SEQUENCE_END(PKCS7_ENCRYPT)
+
+IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENCRYPT)
+
+ASN1_SEQUENCE(PKCS7_DIGEST) = {
+        ASN1_SIMPLE(PKCS7_DIGEST, version, ASN1_INTEGER),
+        ASN1_SIMPLE(PKCS7_DIGEST, md, X509_ALGOR),
+        ASN1_SIMPLE(PKCS7_DIGEST, contents, PKCS7),
+        ASN1_SIMPLE(PKCS7_DIGEST, digest, ASN1_OCTET_STRING)
+} ASN1_SEQUENCE_END(PKCS7_DIGEST)
+
+IMPLEMENT_ASN1_FUNCTIONS(PKCS7_DIGEST)
+
+/* Specials for authenticated attributes */
+
+/* When signing attributes we want to reorder them to match the sorted
+ * encoding.
+ */
+
+ASN1_ITEM_TEMPLATE(PKCS7_ATTR_SIGN) = 
+        ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, PKCS7_ATTRIBUTES, X509_ATTRIBUTE)
+ASN1_ITEM_TEMPLATE_END(PKCS7_ATTR_SIGN)
+
+/* When verifying attributes we need to use the received order. So 
+ * we use SEQUENCE OF and tag it to SET OF
+ */
+
+ASN1_ITEM_TEMPLATE(PKCS7_ATTR_VERIFY) = 
+        ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL,
+                                V_ASN1_SET, PKCS7_ATTRIBUTES, X509_ATTRIBUTE)
+ASN1_ITEM_TEMPLATE_END(PKCS7_ATTR_VERIFY)