1 files changed, 45 insertions, 0 deletions
diff --git a/test/util/fuchsia_capability_util.cc b/test/util/fuchsia_capability_util.cc
new file mode 100644
index 000000000..43f60f20f
--- /dev/null
+++ b/test/util/fuchsia_capability_util.cc
@@ -0,0 +1,45 @@
+// Copyright 2021 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifdef __Fuchsia__
+
+#include "test/util/fuchsia_capability_util.h"
+
+#include <netinet/in.h>
+#include <sys/socket.h>
+
+#include "test/util/socket_util.h"
+
+namespace gvisor {
+namespace testing {
+
+PosixErrorOr<bool> HaveCapability(int cap) {
+  if (cap == CAP_NET_RAW) {
+    auto s = Socket(AF_INET, SOCK_RAW, IPPROTO_UDP);
+    if (s.ok()) {
+      return true;
+    }
+    if (s.error().errno_value() == EPERM) {
+      return false;
+    }
+    return s.error();
+  }
+
+  return false;
+}
+
+}  // namespace testing
+}  // namespace gvisor
+
+#endif  // __Fuchsia__