sandbox_mac_seatbelt_exec_unittest.cc

// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "sandbox/mac/seatbelt_exec.h"

#include "base/process/kill.h"
#include "base/test/multiprocess_test.h"
#include "base/test/test_timeouts.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/multiprocess_func_list.h"

namespace sandbox {

class SeatbeltExecTest : public base::MultiProcessTest {};

MULTIPROCESS_TEST_MAIN(ServerTest) {
  std::string profile =
      "(version 1)\n"
      "(deny default (with no-log))\n"
      "(define allowed-dir \"ALLOWED_READ_DIR\")\n"
      "(define executable-path \"EXECUTABLE_PATH\")\n"
      "(allow process-exec (literal (param executable-path)))\n"
      "(allow file-read* (literal (param executable-path)))\n"
      "(allow file-read* (subpath (param allowed-dir)))\n";

  SeatbeltExecServer exec_server(-1);
  std::string exec_path = "/bin/ls";
  std::string allowed_path = "/Applications";

  mac::SandboxPolicy policy;
  google::protobuf::MapPair<std::string, std::string> allowed_pair(
      "ALLOWED_READ_DIR", allowed_path);
  CHECK(policy.mutable_params()->insert(allowed_pair).second);
  policy.set_profile(profile);

  CHECK(exec_server.SetParameter("EXECUTABLE_PATH", exec_path));
  CHECK(exec_server.ApplySandboxProfile(policy));

  // Test that the sandbox profile is actually applied.
  struct stat sb;
  CHECK_EQ(0, stat(allowed_path.c_str(), &sb));
  CHECK_EQ(-1, stat("/", &sb));
  CHECK_EQ(0, stat(exec_path.c_str(), &sb));

  return 0;
}

TEST_F(SeatbeltExecTest, ServerTest) {
  base::Process process = SpawnChild("ServerTest");
  ASSERT_TRUE(process.IsValid());
  int exit_code = 42;
  EXPECT_TRUE(process.WaitForExitWithTimeout(TestTimeouts::action_max_timeout(),
                                             &exit_code));
  EXPECT_EQ(exit_code, 0);
}

MULTIPROCESS_TEST_MAIN(ClientTest) {
  SeatbeltExecClient exec_client;

  CHECK(exec_client.SetBooleanParameter("key1", true));
  CHECK(!exec_client.SetBooleanParameter("key1", false));
  CHECK(exec_client.SetBooleanParameter("key2", false));
  CHECK(exec_client.SetParameter("key3", "value"));
  CHECK(!exec_client.SetParameter("key3", "value"));
  exec_client.SetProfile("(version 1)(deny default)");

  mac::SandboxPolicy policy = exec_client.GetPolicyForTesting();
  CHECK(policy.params_size() == 3);
  CHECK(!policy.profile().empty());

  return 0;
}

TEST_F(SeatbeltExecTest, ClientTest) {
  base::Process process = SpawnChild("ClientTest");
  ASSERT_TRUE(process.IsValid());
  int exit_code = 42;
  EXPECT_TRUE(process.WaitForExitWithTimeout(TestTimeouts::action_max_timeout(),
                                             &exit_code));
  EXPECT_EQ(exit_code, 0);
}

}  // namespace sandbox