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// Copyright (c) 2012 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 "chrome/browser/nacl_host/pnacl_file_host.h"
#include "base/basictypes.h"
#include "base/files/file_path.h"
#include "base/files/scoped_temp_dir.h"
#include "base/path_service.h"
#include "base/test/scoped_path_override.h"
#include "chrome/common/chrome_paths.h"
#include "testing/gtest/include/gtest/gtest.h"
using pnacl_file_host::PnaclCanOpenFile;
// Try to pass a few funny filenames with a dummy pnacl directory set.
TEST(PnaclFileHostTest, TestFilenamesWithPnaclPath) {
base::ScopedTempDir scoped_tmp_dir;
ASSERT_TRUE(scoped_tmp_dir.CreateUniqueTempDir());
base::FilePath kDummyPnaclPath = scoped_tmp_dir.path();
base::ScopedPathOverride pnach_dir_override(chrome::DIR_PNACL_COMPONENT,
kDummyPnaclPath);
ASSERT_TRUE(PathService::Get(chrome::DIR_PNACL_COMPONENT,
&kDummyPnaclPath));
// Check allowed strings, and check that the expected prefix is added.
base::FilePath out_path;
EXPECT_TRUE(PnaclCanOpenFile("pnacl_json", &out_path));
base::FilePath expected_path = kDummyPnaclPath.Append(
FILE_PATH_LITERAL("pnacl_public_pnacl_json"));
EXPECT_EQ(out_path, expected_path);
EXPECT_TRUE(PnaclCanOpenFile("x86_32_llc", &out_path));
expected_path = kDummyPnaclPath.Append(
FILE_PATH_LITERAL("pnacl_public_x86_32_llc"));
EXPECT_EQ(out_path, expected_path);
// Check character ranges.
EXPECT_FALSE(PnaclCanOpenFile(".xchars", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("/xchars", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("x/chars", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("\\xchars", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("x\\chars", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("$xchars", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("%xchars", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("CAPS", &out_path));
const char non_ascii[] = "\xff\xfe";
EXPECT_FALSE(PnaclCanOpenFile(non_ascii, &out_path));
// Check file length restriction.
EXPECT_FALSE(PnaclCanOpenFile("thisstringisactuallywaaaaaaaaaaaaaaaaaaaaaaaa"
"toolongwaytoolongwaaaaayyyyytoooooooooooooooo"
"looooooooong",
&out_path));
// Other bad files.
EXPECT_FALSE(PnaclCanOpenFile(std::string(), &out_path));
EXPECT_FALSE(PnaclCanOpenFile(".", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("..", &out_path));
#if defined(OS_WIN)
EXPECT_FALSE(PnaclCanOpenFile("..\\llc", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("%SystemRoot%", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("%SystemRoot%\\explorer.exe", &out_path));
#else
EXPECT_FALSE(PnaclCanOpenFile("../llc", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("/bin/sh", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("$HOME", &out_path));
EXPECT_FALSE(PnaclCanOpenFile("$HOME/.bashrc", &out_path));
#endif
}
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