Add function to return internal enoding of X509_NAME.

[openssl.git] / crypto / x509 / x509_cmp.c

diff --git a/crypto/x509/x509_cmp.c b/crypto/x509/x509_cmp.c
index 2521e77b2abd94d3d32cd5e12b58ac2e4fa15a9b..2e3fd6a62e2d6df48bea1641909f8ec636c780cf 100644 (file)
--- a/crypto/x509/x509_cmp.c
+++ b/crypto/x509/x509_cmp.c
@@ -1,4 +1,3 @@
-/* crypto/x509/x509_cmp.c */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -398,11 +397,12 @@ int X509_chain_check_suiteb(int *perror_depth, X509 *x, STACK_OF(X509) *chain,
                             unsigned long flags)
 {
     int rv, i, sign_nid;
-    EVP_PKEY *pk = NULL;
-    unsigned long tflags;
+    EVP_PKEY *pk;
+    unsigned long tflags = flags;
+
     if (!(flags & X509_V_FLAG_SUITEB_128_LOS))
         return X509_V_OK;
-    tflags = flags;
+
     /* If no EE certificate passed in must be first in chain */
     if (x == NULL) {
         x = sk_X509_value(chain, 0);
@@ -410,6 +410,17 @@ int X509_chain_check_suiteb(int *perror_depth, X509 *x, STACK_OF(X509) *chain,
     } else
         i = 0;
 
+    pk = X509_get0_pubkey(x);
+
+    /*
+     * With DANE-EE(3) success, or DANE-EE(3)/PKIX-EE(1) failure we don't build
+     * a chain all, just report trust success or failure, but must also report
+     * Suite-B errors if applicable.  This is indicated via a NULL chain
+     * pointer.  All we need to do is check the leaf key algorithm.
+     */
+    if (chain == NULL)
+        return check_suite_b(pk, -1, &tflags);
+
     if (X509_get_version(x) != 2) {
         rv = X509_V_ERR_SUITE_B_INVALID_VERSION;
         /* Correct error depth */
@@ -417,7 +428,6 @@ int X509_chain_check_suiteb(int *perror_depth, X509 *x, STACK_OF(X509) *chain,
         goto end;
     }
 
-    pk = X509_get0_pubkey(x);
     /* Check EE key only */
     rv = check_suite_b(pk, -1, &tflags);
     if (rv != X509_V_OK) {