Add missing functions to allow access to newer X509_STORE_CTX status

information. Add more informative message to verify callback to indicate
when CRL path validation is taking place.

apps/verify.c

@@ -310,7 +310,9 @@ static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
 				0, XN_FLAG_ONELINE);
 			printf("\n");
 			}
-		printf("error %d at %d depth lookup:%s\n",cert_error,
+		printf("%serror %d at %d depth lookup:%s\n",
+			X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path]" : "",
+			cert_error,
 			X509_STORE_CTX_get_error_depth(ctx),
 			X509_verify_cert_error_string(cert_error));
 		switch(cert_error)

crypto/x509/x509_vfy.c

@@ -1879,6 +1879,21 @@ STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx)
 	return chain;
 	}
 
+X509 *X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx)
+	{
+	return ctx->current_issuer;
+	}
+
+X509_CRL *X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx)
+	{
+	return ctx->current_crl;
+	}
+
+X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(X509_STORE_CTX *ctx)
+	{
+	return ctx->parent;
+	}
+
 void X509_STORE_CTX_set_cert(X509_STORE_CTX *ctx, X509 *x)
 	{
 	ctx->cert=x;

crypto/x509/x509_vfy.h

@@ -480,6 +480,9 @@ int	X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
 void	X509_STORE_CTX_set_error(X509_STORE_CTX *ctx,int s);
 int	X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
 X509 *	X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
+X509 *X509_STORE_CTX_get0_current_issuer(X509_STORE_CTX *ctx);
+X509_CRL *X509_STORE_CTX_get0_current_crl(X509_STORE_CTX *ctx);
+X509_STORE_CTX *X509_STORE_CTX_get0_parent_ctx(X509_STORE_CTX *ctx);
 STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
 STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
 void	X509_STORE_CTX_set_cert(X509_STORE_CTX *c,X509 *x);