core: handleLoginRequest should set resp.Auth.Orphan = true (#6335)

* core: handleLoginRequest should set resp.Auth.Orphan = true

* set auth.Orphan in RegisterAuth dynamically

* update related tests

http/logical_test.go

@@ -217,6 +217,7 @@ func TestLogical_CreateToken(t *testing.T) {
 			"renewable":      false,
 			"entity_id":      "",
 			"token_type":     "service",
+			"orphan":         false,
 		},
 		"warnings": nilWarnings,
 	}

vault/external_tests/token/token_test.go

@@ -35,8 +35,8 @@ func TestTokenStore_CreateOrphanResponse(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if secret.Auth.Orphan {
-		t.Fatalf("failed to set orphan as true")
+	if !secret.Auth.Orphan {
+		t.Fatalf("failed to set orphan as true, got: %#v", secret.Auth)
 	}
 }
 

vault/request_handling.go

@@ -1162,6 +1162,7 @@ func (c *Core) RegisterAuth(ctx context.Context, tokenTTL time.Duration, path st
 	auth.ClientToken = te.ID
 	auth.Accessor = te.Accessor
 	auth.TTL = te.TTL
+	auth.Orphan = te.Parent == ""
 
 	switch auth.TokenType {
 	case logical.TokenTypeBatch: