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// Copyright 2015 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 <fcntl.h>
#include <stdint.h>
#include <sys/stat.h>
#include <unistd.h>
#include "base/process/kill.h"
#include "base/test/multiprocess_test.h"
#include "base/test/test_timeouts.h"
#include "sandbox/mac/sandbox_compiler.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/multiprocess_func_list.h"
namespace sandbox {
class SandboxMacCompilerTest : public base::MultiProcessTest {};
MULTIPROCESS_TEST_MAIN(BasicProfileProcess) {
std::string profile =
"(version 1)"
"(allow file-read* file-write* (literal \"/\"))";
SandboxCompiler compiler(profile);
std::string error;
CHECK(compiler.CompileAndApplyProfile(&error));
return 0;
}
TEST_F(SandboxMacCompilerTest, BasicProfileTest) {
base::SpawnChildResult spawn_child = SpawnChild("BasicProfileProcess");
ASSERT_TRUE(spawn_child.process.IsValid());
int exit_code = 42;
EXPECT_TRUE(spawn_child.process.WaitForExitWithTimeout(
TestTimeouts::action_max_timeout(), &exit_code));
EXPECT_EQ(exit_code, 0);
}
MULTIPROCESS_TEST_MAIN(BasicProfileWithParamProcess) {
std::string profile =
"(version 1)"
"(allow file-read* file-write* (literal (param \"DIR\")))";
SandboxCompiler compiler(profile);
CHECK(compiler.InsertStringParam("DIR", "/"));
std::string error;
CHECK(compiler.CompileAndApplyProfile(&error));
return 0;
}
TEST_F(SandboxMacCompilerTest, BasicProfileTestWithParam) {
base::SpawnChildResult spawn_child =
SpawnChild("BasicProfileWithParamProcess");
ASSERT_TRUE(spawn_child.process.IsValid());
int exit_code = 42;
EXPECT_TRUE(spawn_child.process.WaitForExitWithTimeout(
TestTimeouts::action_max_timeout(), &exit_code));
EXPECT_EQ(exit_code, 0);
}
MULTIPROCESS_TEST_MAIN(ProfileFunctionalProcess) {
std::string profile =
"(version 1)"
"(debug deny)"
"(allow file-read-data file-read-metadata (literal \"/dev/urandom\"))";
SandboxCompiler compiler(profile);
std::string error;
CHECK(compiler.CompileAndApplyProfile(&error));
// The profile compiled and applied successfully, now try and read 1 byte from
// /dev/urandom.
uint8_t byte;
int fd = open("/dev/urandom", O_RDONLY);
CHECK_NE(fd, -1);
EXPECT_TRUE(read(fd, &byte, sizeof(byte)) == sizeof(byte));
return 0;
}
TEST_F(SandboxMacCompilerTest, ProfileFunctionalityTest) {
base::SpawnChildResult spawn_child = SpawnChild("ProfileFunctionalProcess");
ASSERT_TRUE(spawn_child.process.IsValid());
int exit_code = 42;
EXPECT_TRUE(spawn_child.process.WaitForExitWithTimeout(
TestTimeouts::action_max_timeout(), &exit_code));
EXPECT_EQ(exit_code, 0);
}
MULTIPROCESS_TEST_MAIN(ProfileFunctionalTestWithParamsProcess) {
std::string profile =
"(version 1)"
"(debug deny)"
"(if (string=? (param \"ALLOW_FILE\") \"TRUE\")"
" (allow file-read-data file-read-metadata (literal (param "
"\"URANDOM\"))))";
SandboxCompiler compiler(profile);
CHECK(compiler.InsertBooleanParam("ALLOW_FILE", true));
CHECK(compiler.InsertStringParam("URANDOM", "/dev/urandom"));
std::string error;
CHECK(compiler.CompileAndApplyProfile(&error));
// The profile compiled and applied successfully, now try and read 1 byte from
// /dev/urandom.
uint8_t byte;
int fd = open("/dev/urandom", O_RDONLY);
CHECK_NE(fd, -1);
EXPECT_TRUE(read(fd, &byte, sizeof(byte)) == sizeof(byte));
// Make sure the sandbox isn't overly permissive.
struct stat st;
EXPECT_EQ(stat("/", &st), -1);
return 0;
}
TEST_F(SandboxMacCompilerTest, ProfileFunctionalityTestWithParams) {
base::SpawnChildResult spawn_child =
SpawnChild("ProfileFunctionalTestWithParamsProcess");
ASSERT_TRUE(spawn_child.process.IsValid());
int exit_code = 42;
EXPECT_TRUE(spawn_child.process.WaitForExitWithTimeout(
TestTimeouts::action_max_timeout(), &exit_code));
EXPECT_EQ(exit_code, 0);
}
MULTIPROCESS_TEST_MAIN(ProfileFunctionalityTestErrorProcess) {
std::string profile = "(+ 5 a)";
SandboxCompiler compiler(profile);
// Make sure that this invalid profile results in an error returned.
std::string error;
CHECK_EQ(error, "");
CHECK(!compiler.CompileAndApplyProfile(&error));
CHECK_NE(error, "");
return 0;
}
TEST_F(SandboxMacCompilerTest, ProfileFunctionalityTestError) {
base::SpawnChildResult spawn_child =
SpawnChild("ProfileFunctionalityTestErrorProcess");
ASSERT_TRUE(spawn_child.process.IsValid());
int exit_code = 42;
EXPECT_TRUE(spawn_child.process.WaitForExitWithTimeout(
TestTimeouts::action_max_timeout(), &exit_code));
EXPECT_EQ(exit_code, 0);
}
} // namespace sandbox
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