1 files changed, 77 insertions, 2 deletions

diff --git a/crypto/asn1/a_type.c b/crypto/asn1/a_type.c
index 2292d49b93..a45d2f9d12 100644
--- a/crypto/asn1/a_type.c
+++ b/crypto/asn1/a_type.c
@@ -57,8 +57,9 @@
  */
 
 #include <stdio.h>
-#include <openssl/asn1t.h>
 #include "cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/objects.h>
 
 int ASN1_TYPE_get(ASN1_TYPE *a)
 	{
@@ -76,9 +77,83 @@ void ASN1_TYPE_set(ASN1_TYPE *a, int type, void *value)
 		ASN1_primitive_free((ASN1_VALUE **)tmp_a, NULL);
 		}
 	a->type=type;
-	a->value.ptr=value;
+	if (type == V_ASN1_BOOLEAN)
+		a->value.boolean = value ? 0xff : 0;
+	else
+		a->value.ptr=value;
 	}
 
+int ASN1_TYPE_set1(ASN1_TYPE *a, int type, const void *value)
+	{
+	if (!value || (type == V_ASN1_BOOLEAN))
+		{
+		void *p = (void *)value;
+		ASN1_TYPE_set(a, type, p);
+		}
+	else if (type == V_ASN1_OBJECT)
+		{
+		ASN1_OBJECT *odup;
+		odup = OBJ_dup(value);
+		if (!odup)
+			return 0;
+		ASN1_TYPE_set(a, type, odup);
+		}
+	else
+		{
+		ASN1_STRING *sdup;
+		sdup = ASN1_STRING_dup(value);
+		if (!sdup)
+			return 0;
+		ASN1_TYPE_set(a, type, sdup);
+		}
+	return 1;
+	}
 
 IMPLEMENT_STACK_OF(ASN1_TYPE)
 IMPLEMENT_ASN1_SET_OF(ASN1_TYPE)
+
+/* Returns 0 if they are equal, != 0 otherwise. */
+int ASN1_TYPE_cmp(ASN1_TYPE *a, ASN1_TYPE *b)
+	{
+	int result = -1;
+
+	if (!a || !b || a->type != b->type) return -1;
+
+	switch (a->type)
+		{
+	case V_ASN1_OBJECT:
+		result = OBJ_cmp(a->value.object, b->value.object);
+		break;
+	case V_ASN1_NULL:
+		result = 0;	/* They do not have content. */
+		break;
+	case V_ASN1_INTEGER:
+	case V_ASN1_NEG_INTEGER:
+	case V_ASN1_ENUMERATED:
+	case V_ASN1_NEG_ENUMERATED:
+	case V_ASN1_BIT_STRING:
+	case V_ASN1_OCTET_STRING:
+	case V_ASN1_SEQUENCE:
+	case V_ASN1_SET:
+	case V_ASN1_NUMERICSTRING:
+	case V_ASN1_PRINTABLESTRING:
+	case V_ASN1_T61STRING:
+	case V_ASN1_VIDEOTEXSTRING:
+	case V_ASN1_IA5STRING:
+	case V_ASN1_UTCTIME:
+	case V_ASN1_GENERALIZEDTIME:
+	case V_ASN1_GRAPHICSTRING:
+	case V_ASN1_VISIBLESTRING:
+	case V_ASN1_GENERALSTRING:
+	case V_ASN1_UNIVERSALSTRING:
+	case V_ASN1_BMPSTRING:
+	case V_ASN1_UTF8STRING:
+	case V_ASN1_OTHER:
+	default:
+		result = ASN1_STRING_cmp((ASN1_STRING *) a->value.ptr,
+					 (ASN1_STRING *) b->value.ptr);
+		break;
+		}
+
+	return result;
+	}