1 files changed, 29 insertions, 0 deletions

diff --git a/src/lib/libcrypto/asn1/x_x509a.c b/src/lib/libcrypto/asn1/x_x509a.c
index f244768b7e..13db5fd03f 100644
--- a/src/lib/libcrypto/asn1/x_x509a.c
+++ b/src/lib/libcrypto/asn1/x_x509a.c
@@ -91,6 +91,14 @@ static X509_CERT_AUX *aux_get(X509 *x)
 int X509_alias_set1(X509 *x, unsigned char *name, int len)
 {
         X509_CERT_AUX *aux;
+        if (!name)
+                {
+                if (!x || !x->aux || !x->aux->alias)
+                        return 1;
+                ASN1_UTF8STRING_free(x->aux->alias);
+                x->aux->alias = NULL;
+                return 1;
+                }
         if(!(aux = aux_get(x))) return 0;
         if(!aux->alias && !(aux->alias = ASN1_UTF8STRING_new())) return 0;
         return ASN1_STRING_set(aux->alias, name, len);
@@ -99,6 +107,14 @@ int X509_alias_set1(X509 *x, unsigned char *name, int len)
 int X509_keyid_set1(X509 *x, unsigned char *id, int len)
 {
         X509_CERT_AUX *aux;
+        if (!id)
+                {
+                if (!x || !x->aux || !x->aux->keyid)
+                        return 1;
+                ASN1_OCTET_STRING_free(x->aux->keyid);
+                x->aux->keyid = NULL;
+                return 1;
+                }
         if(!(aux = aux_get(x))) return 0;
         if(!aux->keyid && !(aux->keyid = ASN1_OCTET_STRING_new())) return 0;
         return ASN1_STRING_set(aux->keyid, id, len);
@@ -111,6 +127,13 @@ unsigned char *X509_alias_get0(X509 *x, int *len)
         return x->aux->alias->data;
 }
 
+unsigned char *X509_keyid_get0(X509 *x, int *len)
+{
+        if(!x->aux || !x->aux->keyid) return NULL;
+        if(len) *len = x->aux->keyid->length;
+        return x->aux->keyid->data;
+}
+
 int X509_add1_trust_object(X509 *x, ASN1_OBJECT *obj)
 {
         X509_CERT_AUX *aux;
@@ -149,3 +172,9 @@ void X509_reject_clear(X509 *x)
         }
 }
 
+ASN1_SEQUENCE(X509_CERT_PAIR) = {
+        ASN1_EXP_OPT(X509_CERT_PAIR, forward, X509, 0),
+        ASN1_EXP_OPT(X509_CERT_PAIR, reverse, X509, 1)
+} ASN1_SEQUENCE_END(X509_CERT_PAIR)
+
+IMPLEMENT_ASN1_FUNCTIONS(X509_CERT_PAIR)