+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+
+ASN1_SEQUENCE(X509_CINF) = {
+ ASN1_EXP_OPT(X509_CINF, version, ASN1_INTEGER, 0),
+ ASN1_SIMPLE(X509_CINF, serialNumber, ASN1_INTEGER),
+ ASN1_SIMPLE(X509_CINF, signature, X509_ALGOR),
+ ASN1_SIMPLE(X509_CINF, issuer, X509_NAME),
+ ASN1_SIMPLE(X509_CINF, validity, X509_VAL),
+ ASN1_SIMPLE(X509_CINF, subject, X509_NAME),
+ ASN1_SIMPLE(X509_CINF, key, X509_PUBKEY),
+ ASN1_IMP_OPT(X509_CINF, issuerUID, ASN1_BIT_STRING, 1),
+ ASN1_IMP_OPT(X509_CINF, subjectUID, ASN1_BIT_STRING, 2),
+ ASN1_EXP_SEQUENCE_OF_OPT(X509_CINF, extensions, X509_EXTENSION, 3)
+} ASN1_SEQUENCE_END(X509_CINF)
+
+IMPLEMENT_ASN1_FUNCTIONS(X509_CINF)
+/* X509 top level structure needs a bit of customisation */
+
+static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
+{
+ X509 *ret = (X509 *)*pval;
+
+ switch(operation) {
+
+ case ASN1_OP_NEW_POST:
+ ret->valid=0;
+ ret->name = NULL;
+ ret->ex_flags = 0;
+ ret->ex_pathlen = -1;
+ ret->skid = NULL;
+ ret->akid = NULL;
+ ret->aux = NULL;
+ CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
+ break;
+
+ case ASN1_OP_D2I_POST:
+ if (ret->name != NULL) OPENSSL_free(ret->name);
+ ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0);
+ break;
+
+ case ASN1_OP_FREE_POST:
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
+ X509_CERT_AUX_free(ret->aux);
+ ASN1_OCTET_STRING_free(ret->skid);
+ AUTHORITY_KEYID_free(ret->akid);
+
+ if (ret->name != NULL) OPENSSL_free(ret->name);
+ break;
+
+ }
+
+ return 1;
+
+}
+
+ASN1_SEQUENCE_ref(X509, x509_cb, CRYPTO_LOCK_X509) = {
+ ASN1_SIMPLE(X509, cert_info, X509_CINF),
+ ASN1_SIMPLE(X509, sig_alg, X509_ALGOR),
+ ASN1_SIMPLE(X509, signature, ASN1_BIT_STRING)
+} ASN1_SEQUENCE_END_ref(X509, X509)
+
+IMPLEMENT_ASN1_FUNCTIONS(X509)
+IMPLEMENT_ASN1_DUP_FUNCTION(X509)