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Diffstat (limited to 'test/syscalls/linux/network_namespace.cc')
-rw-r--r--test/syscalls/linux/network_namespace.cc121
1 files changed, 0 insertions, 121 deletions
diff --git a/test/syscalls/linux/network_namespace.cc b/test/syscalls/linux/network_namespace.cc
deleted file mode 100644
index 6ea48c263..000000000
--- a/test/syscalls/linux/network_namespace.cc
+++ /dev/null
@@ -1,121 +0,0 @@
-// Copyright 2020 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.
-
-#include <net/if.h>
-#include <sched.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include "absl/synchronization/notification.h"
-#include "test/syscalls/linux/socket_test_util.h"
-#include "test/util/capability_util.h"
-#include "test/util/memory_util.h"
-#include "test/util/test_util.h"
-#include "test/util/thread_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-using TestFunc = std::function<PosixError()>;
-using RunFunc = std::function<PosixError(TestFunc)>;
-
-struct NamespaceStrategy {
- RunFunc run;
-
- static NamespaceStrategy Of(RunFunc run) {
- NamespaceStrategy s;
- s.run = run;
- return s;
- }
-};
-
-PosixError RunWithUnshare(TestFunc fn) {
- PosixError err = PosixError(-1, "function did not return a value");
- ScopedThread t([&] {
- if (unshare(CLONE_NEWNET) != 0) {
- err = PosixError(errno);
- return;
- }
- err = fn();
- });
- t.Join();
- return err;
-}
-
-PosixError RunWithClone(TestFunc fn) {
- struct Args {
- absl::Notification n;
- TestFunc fn;
- PosixError err;
- };
- Args args;
- args.fn = fn;
- args.err = PosixError(-1, "function did not return a value");
-
- ASSIGN_OR_RETURN_ERRNO(
- Mapping child_stack,
- MmapAnon(kPageSize, PROT_READ | PROT_WRITE, MAP_PRIVATE));
- pid_t child = clone(
- +[](void *arg) {
- Args *args = reinterpret_cast<Args *>(arg);
- args->err = args->fn();
- args->n.Notify();
- syscall(SYS_exit, 0); // Exit manually. No return address on stack.
- return 0;
- },
- reinterpret_cast<void *>(child_stack.addr() + kPageSize),
- CLONE_NEWNET | CLONE_THREAD | CLONE_SIGHAND | CLONE_VM, &args);
- if (child < 0) {
- return PosixError(errno, "clone() failed");
- }
- args.n.WaitForNotification();
- return args.err;
-}
-
-class NetworkNamespaceTest
- : public ::testing::TestWithParam<NamespaceStrategy> {};
-
-TEST_P(NetworkNamespaceTest, LoopbackExists) {
- SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_NET_ADMIN)));
-
- EXPECT_NO_ERRNO(GetParam().run([]() {
- // TODO(gvisor.dev/issue/1833): Update this to test that only "lo" exists.
- // Check loopback device exists.
- int sock = socket(AF_INET, SOCK_DGRAM, 0);
- if (sock < 0) {
- return PosixError(errno, "socket() failed");
- }
- struct ifreq ifr;
- snprintf(ifr.ifr_name, IFNAMSIZ, "lo");
- if (ioctl(sock, SIOCGIFINDEX, &ifr) < 0) {
- return PosixError(errno, "ioctl() failed, lo cannot be found");
- }
- return NoError();
- }));
-}
-
-INSTANTIATE_TEST_SUITE_P(
- AllNetworkNamespaceTest, NetworkNamespaceTest,
- ::testing::Values(NamespaceStrategy::Of(RunWithUnshare),
- NamespaceStrategy::Of(RunWithClone)));
-
-} // namespace
-
-} // namespace testing
-} // namespace gvisor