/* pk7_asn.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2000.
*/
/* ====================================================================
#include "cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/pkcs7.h>
+#include <openssl/x509.h>
/* PKCS#7 ASN1 module */
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))
+ 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);
-ASN1_SEQUENCE(PKCS7) = {
+/* 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_SEQUENCE_END(PKCS7);
+}ASN1_NDEF_SEQUENCE_END_cb(PKCS7, PKCS7)
IMPLEMENT_ASN1_FUNCTIONS(PKCS7)
+IMPLEMENT_ASN1_NDEF_FUNCTION(PKCS7)
+IMPLEMENT_ASN1_DUP_FUNCTION(PKCS7)
-ASN1_SEQUENCE(PKCS7_SIGNED) = {
+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_SEQUENCE_END(PKCS7_SIGNED);
+} 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)
+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;
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.
+ /* 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);
+} 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);
+} ASN1_SEQUENCE_END(PKCS7_ISSUER_AND_SERIAL)
IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ISSUER_AND_SERIAL)
-ASN1_SEQUENCE(PKCS7_ENVELOPE) = {
+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_SEQUENCE_END(PKCS7_ENVELOPE);
+} ASN1_NDEF_SEQUENCE_END(PKCS7_ENVELOPE)
IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENVELOPE)
-ASN1_SEQUENCE(PKCS7_RECIP_INFO) = {
+/* 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(PKCS7_RECIP_INFO);
+} ASN1_SEQUENCE_END_cb(PKCS7_RECIP_INFO, PKCS7_RECIP_INFO)
IMPLEMENT_ASN1_FUNCTIONS(PKCS7_RECIP_INFO)
-ASN1_SEQUENCE(PKCS7_ENC_CONTENT) = {
+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, 0)
-} ASN1_SEQUENCE_END(PKCS7_ENC_CONTENT);
+ 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_SEQUENCE(PKCS7_SIGN_ENVELOPE) = {
+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_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);
+} ASN1_NDEF_SEQUENCE_END(PKCS7_SIGN_ENVELOPE)
IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGN_ENVELOPE)
-ASN1_SEQUENCE(PKCS7_ENCRYPT) = {
+ASN1_NDEF_SEQUENCE(PKCS7_ENCRYPT) = {
ASN1_SIMPLE(PKCS7_ENCRYPT, version, ASN1_INTEGER),
ASN1_SIMPLE(PKCS7_ENCRYPT, enc_data, PKCS7_ENC_CONTENT)
-} ASN1_SEQUENCE_END(PKCS7_ENCRYPT);
+} ASN1_NDEF_SEQUENCE_END(PKCS7_ENCRYPT)
IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENCRYPT)
-ASN1_SEQUENCE(PKCS7_DIGEST) = {
+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_SEQUENCE_END(PKCS7_DIGEST);
+} 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)
projects / openssl.git / blobdiff