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Diffstat (limited to 'test/syscalls/linux/pty_root.cc')
-rw-r--r-- | test/syscalls/linux/pty_root.cc | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/test/syscalls/linux/pty_root.cc b/test/syscalls/linux/pty_root.cc deleted file mode 100644 index d2a321a6e..000000000 --- a/test/syscalls/linux/pty_root.cc +++ /dev/null @@ -1,68 +0,0 @@ -// Copyright 2018 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 <sys/ioctl.h> -#include <termios.h> - -#include "gtest/gtest.h" -#include "absl/base/macros.h" -#include "test/util/capability_util.h" -#include "test/util/file_descriptor.h" -#include "test/util/posix_error.h" -#include "test/util/pty_util.h" - -namespace gvisor { -namespace testing { - -// These tests should be run as root. -namespace { - -TEST(JobControlRootTest, StealTTY) { - SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_SYS_ADMIN))); - - // Make this a session leader, which also drops the controlling terminal. - // In the gVisor test environment, this test will be run as the session - // leader already (as the sentry init process). - if (!IsRunningOnGvisor()) { - ASSERT_THAT(setsid(), SyscallSucceeds()); - } - - FileDescriptor master = - ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/ptmx", O_RDWR | O_NONBLOCK)); - FileDescriptor slave = ASSERT_NO_ERRNO_AND_VALUE(OpenSlave(master)); - - // Make slave the controlling terminal. - ASSERT_THAT(ioctl(slave.get(), TIOCSCTTY, 0), SyscallSucceeds()); - - // Fork, join a new session, and try to steal the parent's controlling - // terminal, which should succeed when we have CAP_SYS_ADMIN and pass an arg - // of 1. - pid_t child = fork(); - if (!child) { - TEST_PCHECK(setsid() >= 0); - // We shouldn't be able to steal the terminal with the wrong arg value. - TEST_PCHECK(ioctl(slave.get(), TIOCSCTTY, 0)); - // We should be able to steal it here. - TEST_PCHECK(!ioctl(slave.get(), TIOCSCTTY, 1)); - _exit(0); - } - - int wstatus; - ASSERT_THAT(waitpid(child, &wstatus, 0), SyscallSucceedsWithValue(child)); - ASSERT_EQ(wstatus, 0); -} - -} // namespace -} // namespace testing -} // namespace gvisor |