| /* pk7_asn.c */ |
| /* Written by Dr Stephen N Henson (steve@openssl.org) 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_NDEF_EXP_OPT(PKCS7, d.data, ASN1_OCTET_STRING_NDEF, 0)), |
| ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP_OPT(PKCS7, d.sign, PKCS7_SIGNED, 0)), |
| ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP_OPT(PKCS7, d.enveloped, PKCS7_ENVELOPE, 0)), |
| ADB_ENTRY(NID_pkcs7_signedAndEnveloped, ASN1_NDEF_EXP_OPT(PKCS7, d.signed_and_enveloped, PKCS7_SIGN_ENVELOPE, 0)), |
| ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP_OPT(PKCS7, d.digest, PKCS7_DIGEST, 0)), |
| ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP_OPT(PKCS7, d.encrypted, PKCS7_ENCRYPT, 0)) |
| } ASN1_ADB_END(PKCS7, 0, type, 0, &p7default_tt, NULL); |
| |
| /* PKCS#7 streaming support */ |
| static int pk7_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
| void *exarg) |
| { |
| ASN1_STREAM_ARG *sarg = exarg; |
| PKCS7 **pp7 = (PKCS7 **)pval; |
| |
| switch(operation) |
| { |
| |
| case ASN1_OP_STREAM_PRE: |
| if (PKCS7_stream(&sarg->boundary, *pp7) <= 0) |
| return 0; |
| case ASN1_OP_DETACHED_PRE: |
| sarg->ndef_bio = PKCS7_dataInit(*pp7, sarg->out); |
| if (!sarg->ndef_bio) |
| return 0; |
| break; |
| |
| case ASN1_OP_STREAM_POST: |
| case ASN1_OP_DETACHED_POST: |
| if (PKCS7_dataFinal(*pp7, sarg->ndef_bio) <= 0) |
| return 0; |
| break; |
| |
| } |
| return 1; |
| } |
| |
| ASN1_NDEF_SEQUENCE_cb(PKCS7, pk7_cb) = { |
| ASN1_SIMPLE(PKCS7, type, ASN1_OBJECT), |
| ASN1_ADB_OBJECT(PKCS7) |
| }ASN1_NDEF_SEQUENCE_END_cb(PKCS7, PKCS7) |
| |
| IMPLEMENT_ASN1_FUNCTIONS(PKCS7) |
| IMPLEMENT_ASN1_NDEF_FUNCTION(PKCS7) |
| IMPLEMENT_ASN1_DUP_FUNCTION(PKCS7) |
| |
| ASN1_NDEF_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_NDEF_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, |
| void *exarg) |
| { |
| 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_NDEF_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_NDEF_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, |
| void *exarg) |
| { |
| 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_NDEF_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_NDEF, 0) |
| } ASN1_NDEF_SEQUENCE_END(PKCS7_ENC_CONTENT) |
| |
| IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENC_CONTENT) |
| |
| ASN1_NDEF_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_NDEF_SEQUENCE_END(PKCS7_SIGN_ENVELOPE) |
| |
| IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGN_ENVELOPE) |
| |
| ASN1_NDEF_SEQUENCE(PKCS7_ENCRYPT) = { |
| ASN1_SIMPLE(PKCS7_ENCRYPT, version, ASN1_INTEGER), |
| ASN1_SIMPLE(PKCS7_ENCRYPT, enc_data, PKCS7_ENC_CONTENT) |
| } ASN1_NDEF_SEQUENCE_END(PKCS7_ENCRYPT) |
| |
| IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENCRYPT) |
| |
| ASN1_NDEF_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_NDEF_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) |
| |
| IMPLEMENT_ASN1_PRINT_FUNCTION(PKCS7) |
