Open source system call tests.

PiperOrigin-RevId: 224886231
Change-Id: I0fccb4d994601739d8b16b1d4e6b31f40297fb22

1 files changed, 91 insertions, 0 deletions

diff --git a/test/syscalls/linux/socket_unix_unbound_seqpacket.cc b/test/syscalls/linux/socket_unix_unbound_seqpacket.cc
new file mode 100644
index 000000000..fa3b99490
--- /dev/null
+++ b/test/syscalls/linux/socket_unix_unbound_seqpacket.cc
@@ -0,0 +1,91 @@
+// Copyright 2018 Google LLC
+//
+// 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.
+
+#include <stdio.h>
+#include <sys/un.h>
+#include "gtest/gtest.h"
+#include "gtest/gtest.h"
+#include "test/syscalls/linux/socket_test_util.h"
+#include "test/syscalls/linux/unix_domain_socket_test_util.h"
+#include "test/util/test_util.h"
+
+namespace gvisor {
+namespace testing {
+
+namespace {
+
+// Test fixture for tests that apply to pairs of unbound seqpacket unix sockets.
+using UnboundUnixSeqpacketSocketPairTest = SocketPairTest;
+
+TEST_P(UnboundUnixSeqpacketSocketPairTest, SendtoWithoutConnect) {
+  auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
+
+  ASSERT_THAT(bind(sockets->first_fd(), sockets->first_addr(),
+                   sockets->first_addr_size()),
+              SyscallSucceeds());
+
+  char data = 'a';
+  ASSERT_THAT(sendto(sockets->second_fd(), &data, sizeof(data), 0,
+                     sockets->first_addr(), sockets->first_addr_size()),
+              SyscallFailsWithErrno(ENOTCONN));
+}
+
+TEST_P(UnboundUnixSeqpacketSocketPairTest, SendtoWithoutConnectIgnoresAddr) {
+  // FIXME: gVisor tries to find /foo/bar and thus returns ENOENT.
+  if (IsRunningOnGvisor()) {
+    return;
+  }
+
+  auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
+
+  ASSERT_THAT(bind(sockets->first_fd(), sockets->first_addr(),
+                   sockets->first_addr_size()),
+              SyscallSucceeds());
+
+  // Even a bogus address is completely ignored.
+  constexpr char kPath[] = "/foo/bar";
+
+  // Sanity check that kPath doesn't exist.
+  struct stat s;
+  ASSERT_THAT(stat(kPath, &s), SyscallFailsWithErrno(ENOENT));
+
+  struct sockaddr_un addr = {};
+  addr.sun_family = AF_UNIX;
+  memcpy(addr.sun_path, kPath, sizeof(kPath));
+
+  char data = 'a';
+  ASSERT_THAT(
+      sendto(sockets->second_fd(), &data, sizeof(data), 0,
+             reinterpret_cast<const struct sockaddr*>(&addr), sizeof(addr)),
+      SyscallFailsWithErrno(ENOTCONN));
+}
+
+INSTANTIATE_TEST_CASE_P(
+    AllUnixDomainSockets, UnboundUnixSeqpacketSocketPairTest,
+    ::testing::ValuesIn(IncludeReversals(VecCat<SocketPairKind>(
+        ApplyVec<SocketPairKind>(
+            FilesystemUnboundUnixDomainSocketPair,
+            AllBitwiseCombinations(List<int>{SOCK_SEQPACKET},
+                                   List<int>{0, SOCK_NONBLOCK},
+                                   List<int>{0, SOCK_CLOEXEC})),
+        ApplyVec<SocketPairKind>(
+            AbstractUnboundUnixDomainSocketPair,
+            AllBitwiseCombinations(List<int>{SOCK_SEQPACKET},
+                                   List<int>{0, SOCK_NONBLOCK},
+                                   List<int>{0, SOCK_CLOEXEC}))))));
+
+}  // namespace
+
+}  // namespace testing
+}  // namespace gvisor