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safe_browsing_database_unittest.cc
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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.
//
// Unit tests for the SafeBrowsing storage system.
#include "chrome/browser/safe_browsing/safe_browsing_database.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/logging.h"
#include "base/memory/scoped_vector.h"
#include "base/message_loop/message_loop.h"
#include "base/sha1.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/time/time.h"
#include "chrome/browser/safe_browsing/chunk.pb.h"
#include "chrome/browser/safe_browsing/safe_browsing_store_file.h"
#include "crypto/sha2.h"
#include "net/base/net_util.h"
#include "sql/connection.h"
#include "sql/statement.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
#include "url/gurl.h"
using base::Time;
using base::TimeDelta;
namespace {
const TimeDelta kCacheLifetime = TimeDelta::FromMinutes(45);
SBPrefix SBPrefixForString(const std::string& str) {
return SBFullHashForString(str).prefix;
}
// Construct a full hash which has the given prefix, with the given
// suffix data coming after the prefix.
SBFullHash SBFullHashForPrefixAndSuffix(SBPrefix prefix,
const base::StringPiece& suffix) {
SBFullHash full_hash;
memset(&full_hash, 0, sizeof(SBFullHash));
full_hash.prefix = prefix;
CHECK_LE(suffix.size() + sizeof(SBPrefix), sizeof(SBFullHash));
memcpy(full_hash.full_hash + sizeof(SBPrefix), suffix.data(), suffix.size());
return full_hash;
}
std::string HashedIpPrefix(const std::string& ip_prefix, size_t prefix_size) {
net::IPAddressNumber ip_number;
EXPECT_TRUE(net::ParseIPLiteralToNumber(ip_prefix, &ip_number));
EXPECT_EQ(net::kIPv6AddressSize, ip_number.size());
const std::string hashed_ip_prefix = base::SHA1HashString(
net::IPAddressToPackedString(ip_number));
std::string hash(crypto::kSHA256Length, '\0');
hash.replace(0, hashed_ip_prefix.size(), hashed_ip_prefix);
hash[base::kSHA1Length] = static_cast<char>(prefix_size);
return hash;
}
// Helper to build a chunk. Caller takes ownership.
SBChunkData* BuildChunk(int chunk_number,
safe_browsing::ChunkData::ChunkType chunk_type,
safe_browsing::ChunkData::PrefixType prefix_type,
const void* data, size_t data_size,
const std::vector<int>& add_chunk_numbers) {
scoped_ptr<safe_browsing::ChunkData> raw_data(new safe_browsing::ChunkData);
raw_data->set_chunk_number(chunk_number);
raw_data->set_chunk_type(chunk_type);
raw_data->set_prefix_type(prefix_type);
raw_data->set_hashes(data, data_size);
raw_data->clear_add_numbers();
for (size_t i = 0; i < add_chunk_numbers.size(); ++i) {
raw_data->add_add_numbers(add_chunk_numbers[i]);
}
return new SBChunkData(raw_data.release());
}
// Create add chunk with a single prefix.
SBChunkData* AddChunkPrefix(int chunk_number, SBPrefix prefix) {
return BuildChunk(chunk_number, safe_browsing::ChunkData::ADD,
safe_browsing::ChunkData::PREFIX_4B,
&prefix, sizeof(prefix),
std::vector<int>());
}
// Create add chunk with a single prefix generated from |value|.
SBChunkData* AddChunkPrefixValue(int chunk_number,
const std::string& value) {
return AddChunkPrefix(chunk_number, SBPrefixForString(value));
}
// Generate an add chunk with two prefixes.
SBChunkData* AddChunkPrefix2Value(int chunk_number,
const std::string& value1,
const std::string& value2) {
const SBPrefix prefixes[2] = {
SBPrefixForString(value1),
SBPrefixForString(value2),
};
return BuildChunk(chunk_number, safe_browsing::ChunkData::ADD,
safe_browsing::ChunkData::PREFIX_4B,
&prefixes[0], sizeof(prefixes),
std::vector<int>());
}
// Generate an add chunk with four prefixes.
SBChunkData* AddChunkPrefix4Value(int chunk_number,
const std::string& value1,
const std::string& value2,
const std::string& value3,
const std::string& value4) {
const SBPrefix prefixes[4] = {
SBPrefixForString(value1),
SBPrefixForString(value2),
SBPrefixForString(value3),
SBPrefixForString(value4),
};
return BuildChunk(chunk_number, safe_browsing::ChunkData::ADD,
safe_browsing::ChunkData::PREFIX_4B,
&prefixes[0], sizeof(prefixes),
std::vector<int>());
}
// Generate an add chunk with a full hash.
SBChunkData* AddChunkFullHash(int chunk_number, SBFullHash full_hash) {
return BuildChunk(chunk_number, safe_browsing::ChunkData::ADD,
safe_browsing::ChunkData::FULL_32B,
&full_hash, sizeof(full_hash),
std::vector<int>());
}
// Generate an add chunk with a full hash generated from |value|.
SBChunkData* AddChunkFullHashValue(int chunk_number,
const std::string& value) {
return AddChunkFullHash(chunk_number, SBFullHashForString(value));
}
// Generate an add chunk with two full hashes.
SBChunkData* AddChunkFullHash2Value(int chunk_number,
const std::string& value1,
const std::string& value2) {
const SBFullHash full_hashes[2] = {
SBFullHashForString(value1),
SBFullHashForString(value2),
};
return BuildChunk(chunk_number, safe_browsing::ChunkData::ADD,
safe_browsing::ChunkData::FULL_32B,
&full_hashes[0], sizeof(full_hashes),
std::vector<int>());
}
// Generate a sub chunk with a prefix generated from |value|.
SBChunkData* SubChunkPrefixValue(int chunk_number,
const std::string& value,
int add_chunk_number) {
const SBPrefix prefix = SBPrefixForString(value);
return BuildChunk(chunk_number, safe_browsing::ChunkData::SUB,
safe_browsing::ChunkData::PREFIX_4B,
&prefix, sizeof(prefix),
std::vector<int>(1, add_chunk_number));
}
// Generate a sub chunk with two prefixes.
SBChunkData* SubChunkPrefix2Value(int chunk_number,
const std::string& value1,
int add_chunk_number1,
const std::string& value2,
int add_chunk_number2) {
const SBPrefix prefixes[2] = {
SBPrefixForString(value1),
SBPrefixForString(value2),
};
std::vector<int> add_chunk_numbers;
add_chunk_numbers.push_back(add_chunk_number1);
add_chunk_numbers.push_back(add_chunk_number2);
return BuildChunk(chunk_number, safe_browsing::ChunkData::SUB,
safe_browsing::ChunkData::PREFIX_4B,
&prefixes[0], sizeof(prefixes),
add_chunk_numbers);
}
// Generate a sub chunk with a full hash.
SBChunkData* SubChunkFullHash(int chunk_number,
SBFullHash full_hash,
int add_chunk_number) {
return BuildChunk(chunk_number, safe_browsing::ChunkData::SUB,
safe_browsing::ChunkData::FULL_32B,
&full_hash, sizeof(full_hash),
std::vector<int>(1, add_chunk_number));
}
// Generate a sub chunk with a full hash generated from |value|.
SBChunkData* SubChunkFullHashValue(int chunk_number,
const std::string& value,
int add_chunk_number) {
return SubChunkFullHash(chunk_number,
SBFullHashForString(value),
add_chunk_number);
}
// Generate an add chunk with a single full hash for the ip blacklist.
SBChunkData* AddChunkHashedIpValue(int chunk_number,
const std::string& ip_str,
size_t prefix_size) {
const std::string full_hash_str = HashedIpPrefix(ip_str, prefix_size);
EXPECT_EQ(sizeof(SBFullHash), full_hash_str.size());
SBFullHash full_hash;
std::memcpy(&(full_hash.full_hash), full_hash_str.data(), sizeof(SBFullHash));
return BuildChunk(chunk_number, safe_browsing::ChunkData::ADD,
safe_browsing::ChunkData::FULL_32B,
&full_hash, sizeof(full_hash),
std::vector<int>());
}
// Prevent DCHECK from killing tests.
// TODO(shess): Pawel disputes the use of this, so the test which uses
// it is DISABLED. http://crbug.com/56448
class ScopedLogMessageIgnorer {
public:
ScopedLogMessageIgnorer() {
logging::SetLogMessageHandler(&LogMessageIgnorer);
}
~ScopedLogMessageIgnorer() {
// TODO(shess): Would be better to verify whether anyone else
// changed it, and then restore it to the previous value.
logging::SetLogMessageHandler(NULL);
}
private:
static bool LogMessageIgnorer(int severity, const char* file, int line,
size_t message_start, const std::string& str) {
// Intercept FATAL, strip the stack backtrace, and log it without
// the crash part.
if (severity == logging::LOG_FATAL) {
size_t newline = str.find('\n');
if (newline != std::string::npos) {
const std::string msg = str.substr(0, newline + 1);
fprintf(stderr, "%s", msg.c_str());
fflush(stderr);
}
return true;
}
return false;
}
};
} // namespace
class SafeBrowsingDatabaseTest : public PlatformTest {
public:
void SetUp() override {
PlatformTest::SetUp();
// Setup a database in a temporary directory.
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
database_filename_ =
temp_dir_.path().AppendASCII("SafeBrowsingTestDatabase");
ResetAndReloadFullDatabase();
}
void TearDown() override {
database_.reset();
PlatformTest::TearDown();
}
// Reloads the |database_| in a new SafeBrowsingDatabaseNew object with all
// stores enabled.
void ResetAndReloadFullDatabase() {
SafeBrowsingStoreFile* browse_store = new SafeBrowsingStoreFile();
SafeBrowsingStoreFile* download_store = new SafeBrowsingStoreFile();
SafeBrowsingStoreFile* csd_whitelist_store = new SafeBrowsingStoreFile();
SafeBrowsingStoreFile* download_whitelist_store =
new SafeBrowsingStoreFile();
SafeBrowsingStoreFile* extension_blacklist_store =
new SafeBrowsingStoreFile();
SafeBrowsingStoreFile* side_effect_free_whitelist_store =
new SafeBrowsingStoreFile();
SafeBrowsingStoreFile* ip_blacklist_store = new SafeBrowsingStoreFile();
SafeBrowsingStoreFile* unwanted_software_store =
new SafeBrowsingStoreFile();
database_.reset(
new SafeBrowsingDatabaseNew(browse_store,
download_store,
csd_whitelist_store,
download_whitelist_store,
extension_blacklist_store,
side_effect_free_whitelist_store,
ip_blacklist_store,
unwanted_software_store));
database_->Init(database_filename_);
}
void GetListsInfo(std::vector<SBListChunkRanges>* lists) {
lists->clear();
ASSERT_TRUE(database_->UpdateStarted(lists));
database_->UpdateFinished(true);
}
// Helper function to do an AddDel or SubDel command.
void DelChunk(const std::string& list,
int chunk_id,
bool is_sub_del) {
std::vector<SBChunkDelete> deletes;
SBChunkDelete chunk_delete;
chunk_delete.list_name = list;
chunk_delete.is_sub_del = is_sub_del;
chunk_delete.chunk_del.push_back(ChunkRange(chunk_id));
deletes.push_back(chunk_delete);
database_->DeleteChunks(deletes);
}
void AddDelChunk(const std::string& list, int chunk_id) {
DelChunk(list, chunk_id, false);
}
void SubDelChunk(const std::string& list, int chunk_id) {
DelChunk(list, chunk_id, true);
}
// Utility function for setting up the database for the caching test.
void PopulateDatabaseForCacheTest();
scoped_ptr<SafeBrowsingDatabaseNew> database_;
base::FilePath database_filename_;
base::ScopedTempDir temp_dir_;
};
// Tests retrieving list name information.
TEST_F(SafeBrowsingDatabaseTest, ListNameForBrowse) {
std::vector<SBListChunkRanges> lists;
ScopedVector<SBChunkData> chunks;
chunks.push_back(AddChunkPrefixValue(1, "www.evil.com/malware.html"));
chunks.push_back(AddChunkPrefixValue(2, "www.foo.com/malware.html"));
chunks.push_back(AddChunkPrefixValue(3, "www.whatever.com/malware.html"));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(safe_browsing_util::kMalwareList, chunks.get());
database_->UpdateFinished(true);
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(safe_browsing_util::kMalwareList, lists[0].name);
EXPECT_EQ("1-3", lists[0].adds);
EXPECT_TRUE(lists[0].subs.empty());
// Insert a malware sub chunk.
chunks.clear();
chunks.push_back(SubChunkPrefixValue(7, "www.subbed.com/noteveil1.html", 19));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(safe_browsing_util::kMalwareList, chunks.get());
database_->UpdateFinished(true);
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(safe_browsing_util::kMalwareList, lists[0].name);
EXPECT_EQ("1-3", lists[0].adds);
EXPECT_EQ("7", lists[0].subs);
if (lists.size() == 2) {
// Old style database won't have the second entry since it creates the lists
// when it receives an update containing that list. The filter-based
// database has these values hard coded.
EXPECT_EQ(safe_browsing_util::kPhishingList, lists[1].name);
EXPECT_TRUE(lists[1].adds.empty());
EXPECT_TRUE(lists[1].subs.empty());
}
// Add phishing chunks.
chunks.clear();
chunks.push_back(AddChunkPrefixValue(47, "www.evil.com/phishing.html"));
chunks.push_back(
SubChunkPrefixValue(200, "www.phishy.com/notevil1.html", 1999));
chunks.push_back(
SubChunkPrefixValue(201, "www.phishy2.com/notevil1.html", 1999));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(safe_browsing_util::kPhishingList, chunks.get());
database_->UpdateFinished(true);
GetListsInfo(&lists);
ASSERT_LE(2U, lists.size());
EXPECT_EQ(safe_browsing_util::kMalwareList, lists[0].name);
EXPECT_EQ("1-3", lists[0].adds);
EXPECT_EQ("7", lists[0].subs);
EXPECT_EQ(safe_browsing_util::kPhishingList, lists[1].name);
EXPECT_EQ("47", lists[1].adds);
EXPECT_EQ("200-201", lists[1].subs);
}
TEST_F(SafeBrowsingDatabaseTest, ListNameForBrowseAndDownload) {
ScopedVector<SBChunkData> chunks;
std::vector<SBListChunkRanges> lists;
ASSERT_TRUE(database_->UpdateStarted(&lists));
// Insert malware, phish, binurl and bindownload add chunks.
chunks.push_back(AddChunkPrefixValue(1, "www.evil.com/malware.html"));
database_->InsertChunks(safe_browsing_util::kMalwareList, chunks.get());
chunks.clear();
chunks.push_back(AddChunkPrefixValue(2, "www.foo.com/malware.html"));
database_->InsertChunks(safe_browsing_util::kPhishingList, chunks.get());
chunks.clear();
chunks.push_back(AddChunkPrefixValue(3, "www.whatever.com/download.html"));
database_->InsertChunks(safe_browsing_util::kBinUrlList, chunks.get());
chunks.clear();
chunks.push_back(AddChunkFullHashValue(5, "www.forwhitelist.com/a.html"));
database_->InsertChunks(safe_browsing_util::kCsdWhiteList, chunks.get());
chunks.clear();
chunks.push_back(AddChunkFullHashValue(6, "www.download.com/"));
database_->InsertChunks(safe_browsing_util::kDownloadWhiteList, chunks.get());
chunks.clear();
chunks.push_back(AddChunkFullHashValue(8,
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"));
database_->InsertChunks(safe_browsing_util::kExtensionBlacklist,
chunks.get());
chunks.clear();
chunks.push_back(AddChunkHashedIpValue(9, "::ffff:192.168.1.0", 120));
database_->InsertChunks(safe_browsing_util::kIPBlacklist, chunks.get());
chunks.clear();
chunks.push_back(AddChunkPrefixValue(10, "www.unwanted.com/software.html"));
database_->InsertChunks(safe_browsing_util::kUnwantedUrlList, chunks.get());
database_->UpdateFinished(true);
GetListsInfo(&lists);
ASSERT_EQ(9U, lists.size());
EXPECT_EQ(safe_browsing_util::kMalwareList, lists[0].name);
EXPECT_EQ("1", lists[0].adds);
EXPECT_TRUE(lists[0].subs.empty());
EXPECT_EQ(safe_browsing_util::kPhishingList, lists[1].name);
EXPECT_EQ("2", lists[1].adds);
EXPECT_TRUE(lists[1].subs.empty());
EXPECT_EQ(safe_browsing_util::kBinUrlList, lists[2].name);
EXPECT_EQ("3", lists[2].adds);
EXPECT_TRUE(lists[2].subs.empty());
EXPECT_EQ(safe_browsing_util::kCsdWhiteList, lists[3].name);
EXPECT_EQ("5", lists[3].adds);
EXPECT_TRUE(lists[3].subs.empty());
EXPECT_EQ(safe_browsing_util::kDownloadWhiteList, lists[4].name);
EXPECT_EQ("6", lists[4].adds);
EXPECT_TRUE(lists[4].subs.empty());
EXPECT_EQ(safe_browsing_util::kExtensionBlacklist, lists[5].name);
EXPECT_EQ("8", lists[5].adds);
EXPECT_TRUE(lists[5].subs.empty());
EXPECT_EQ(safe_browsing_util::kIPBlacklist, lists[7].name);
EXPECT_EQ("9", lists[7].adds);
EXPECT_TRUE(lists[7].subs.empty());
EXPECT_EQ(safe_browsing_util::kUnwantedUrlList, lists[8].name);
EXPECT_EQ("10", lists[8].adds);
EXPECT_TRUE(lists[8].subs.empty());
database_.reset();
}
// Checks database reading and writing for browse and unwanted PrefixSets.
TEST_F(SafeBrowsingDatabaseTest, BrowseAndUnwantedDatabasesAndPrefixSets) {
struct TestCase {
using TestListContainsBadUrl = bool (SafeBrowsingDatabase::*)(
const GURL& url,
std::vector<SBPrefix>* prefix_hits,
std::vector<SBFullHashResult>* cache_hits);
const char* test_list_name;
size_t expected_list_index;
TestListContainsBadUrl test_list_contains_bad_url;
} const kTestCases[] {
{ safe_browsing_util::kMalwareList, 0U,
&SafeBrowsingDatabase::ContainsBrowseUrl },
{ safe_browsing_util::kPhishingList, 1U,
&SafeBrowsingDatabase::ContainsBrowseUrl },
{ safe_browsing_util::kUnwantedUrlList, 8U,
&SafeBrowsingDatabase::ContainsUnwantedSoftwareUrl },
};
for (const auto& test_case : kTestCases) {
SCOPED_TRACE(std::string("Tested list at fault => ") +
test_case.test_list_name);
std::vector<SBListChunkRanges> lists;
ScopedVector<SBChunkData> chunks;
chunks.push_back(AddChunkPrefix2Value(1,
"www.evil.com/phishing.html",
"www.evil.com/malware.html"));
chunks.push_back(AddChunkPrefix4Value(2,
"www.evil.com/notevil1.html",
"www.evil.com/notevil2.html",
"www.good.com/good1.html",
"www.good.com/good2.html"));
chunks.push_back(AddChunkPrefixValue(3, "192.168.0.1/malware.html"));
chunks.push_back(AddChunkFullHashValue(7, "www.evil.com/evil.html"));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(test_case.test_list_name, chunks.get());
database_->UpdateFinished(true);
// Make sure they were added correctly.
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(test_case.test_list_name,
lists[test_case.expected_list_index].name);
EXPECT_EQ("1-3,7", lists[test_case.expected_list_index].adds);
EXPECT_TRUE(lists[test_case.expected_list_index].subs.empty());
std::vector<SBPrefix> prefix_hits;
std::vector<SBFullHashResult> cache_hits;
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/phishing.html"), &prefix_hits, &cache_hits));
ASSERT_EQ(1U, prefix_hits.size());
EXPECT_EQ(SBPrefixForString("www.evil.com/phishing.html"), prefix_hits[0]);
EXPECT_TRUE(cache_hits.empty());
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/malware.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/notevil1.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/notevil2.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.good.com/good1.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.good.com/good2.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://192.168.0.1/malware.html"), &prefix_hits, &cache_hits));
EXPECT_FALSE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/"), &prefix_hits, &cache_hits));
EXPECT_TRUE(prefix_hits.empty());
EXPECT_TRUE(cache_hits.empty());
EXPECT_FALSE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/robots.txt"), &prefix_hits, &cache_hits));
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/evil.html"), &prefix_hits, &cache_hits));
ASSERT_EQ(1U, prefix_hits.size());
EXPECT_EQ(SBPrefixForString("www.evil.com/evil.html"), prefix_hits[0]);
// Attempt to re-add the first chunk (should be a no-op).
// see bug: http://code.google.com/p/chromium/issues/detail?id=4522
chunks.clear();
chunks.push_back(AddChunkPrefix2Value(1,
"www.evil.com/phishing.html",
"www.evil.com/malware.html"));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(test_case.test_list_name, chunks.get());
database_->UpdateFinished(true);
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(test_case.test_list_name,
lists[test_case.expected_list_index].name);
EXPECT_EQ("1-3,7", lists[test_case.expected_list_index].adds);
EXPECT_TRUE(lists[test_case.expected_list_index].subs.empty());
// Test removing a single prefix from the add chunk.
chunks.clear();
chunks.push_back(SubChunkPrefixValue(4, "www.evil.com/notevil1.html", 2));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(test_case.test_list_name, chunks.get());
database_->UpdateFinished(true);
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/phishing.html"), &prefix_hits, &cache_hits));
ASSERT_EQ(1U, prefix_hits.size());
EXPECT_EQ(SBPrefixForString("www.evil.com/phishing.html"), prefix_hits[0]);
EXPECT_TRUE(cache_hits.empty());
EXPECT_FALSE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/notevil1.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE(prefix_hits.empty());
EXPECT_TRUE(cache_hits.empty());
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/notevil2.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.good.com/good1.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.good.com/good2.html"), &prefix_hits, &cache_hits));
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(test_case.test_list_name,
lists[test_case.expected_list_index].name);
EXPECT_EQ("1-3,7", lists[test_case.expected_list_index].adds);
EXPECT_EQ("4", lists[test_case.expected_list_index].subs);
// Test the same sub chunk again. This should be a no-op.
// see bug: http://code.google.com/p/chromium/issues/detail?id=4522
chunks.clear();
chunks.push_back(SubChunkPrefixValue(4, "www.evil.com/notevil1.html", 2));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(test_case.test_list_name, chunks.get());
database_->UpdateFinished(true);
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(test_case.test_list_name,
lists[test_case.expected_list_index].name);
EXPECT_EQ("1-3,7", lists[test_case.expected_list_index].adds);
EXPECT_EQ("4", lists[test_case.expected_list_index].subs);
// Test removing all the prefixes from an add chunk.
ASSERT_TRUE(database_->UpdateStarted(&lists));
AddDelChunk(test_case.test_list_name, 2);
database_->UpdateFinished(true);
EXPECT_FALSE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/notevil2.html"), &prefix_hits, &cache_hits));
EXPECT_FALSE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.good.com/good1.html"), &prefix_hits, &cache_hits));
EXPECT_FALSE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.good.com/good2.html"), &prefix_hits, &cache_hits));
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(test_case.test_list_name,
lists[test_case.expected_list_index].name);
EXPECT_EQ("1,3,7", lists[test_case.expected_list_index].adds);
EXPECT_EQ("4", lists[test_case.expected_list_index].subs);
// The adddel command exposed a bug in the transaction code where any
// transaction after it would fail. Add a dummy entry and remove it to
// make sure the transcation works fine.
chunks.clear();
chunks.push_back(AddChunkPrefixValue(44, "www.redherring.com/index.html"));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(test_case.test_list_name, chunks.get());
// Now remove the dummy entry. If there are any problems with the
// transactions, asserts will fire.
AddDelChunk(test_case.test_list_name, 44);
// Test the subdel command.
SubDelChunk(test_case.test_list_name, 4);
database_->UpdateFinished(true);
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(test_case.test_list_name,
lists[test_case.expected_list_index].name);
EXPECT_EQ("1,3,7", lists[test_case.expected_list_index].adds);
EXPECT_TRUE(lists[test_case.expected_list_index].subs.empty());
// Test a sub command coming in before the add.
chunks.clear();
chunks.push_back(SubChunkPrefix2Value(5,
"www.notevilanymore.com/index.html",
10,
"www.notevilanymore.com/good.html",
10));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(test_case.test_list_name, chunks.get());
database_->UpdateFinished(true);
EXPECT_FALSE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.notevilanymore.com/index.html"),
&prefix_hits,
&cache_hits));
// Now insert the tardy add chunk and we don't expect them to appear
// in database because of the previous sub chunk.
chunks.clear();
chunks.push_back(AddChunkPrefix2Value(10,
"www.notevilanymore.com/index.html",
"www.notevilanymore.com/good.html"));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(test_case.test_list_name, chunks.get());
database_->UpdateFinished(true);
EXPECT_FALSE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.notevilanymore.com/index.html"),
&prefix_hits,
&cache_hits));
EXPECT_FALSE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.notevilanymore.com/good.html"),
&prefix_hits,
&cache_hits));
// Reset and reload the database. The database will rely on the prefix set.
ResetAndReloadFullDatabase();
// Check that a prefix still hits.
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/phishing.html"), &prefix_hits, &cache_hits));
ASSERT_EQ(1U, prefix_hits.size());
EXPECT_EQ(SBPrefixForString("www.evil.com/phishing.html"), prefix_hits[0]);
// Also check that it's not just always returning true in this case.
EXPECT_FALSE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/"), &prefix_hits, &cache_hits));
// Check that the full hash is still present.
EXPECT_TRUE((database_.get()->*test_case.test_list_contains_bad_url)(
GURL("http://www.evil.com/evil.html"), &prefix_hits, &cache_hits));
ASSERT_EQ(1U, prefix_hits.size());
EXPECT_EQ(SBPrefixForString("www.evil.com/evil.html"), prefix_hits[0]);
}
}
// Test adding zero length chunks to the database.
TEST_F(SafeBrowsingDatabaseTest, ZeroSizeChunk) {
std::vector<SBListChunkRanges> lists;
ScopedVector<SBChunkData> chunks;
// Populate with a couple of normal chunks.
chunks.push_back(AddChunkPrefix2Value(1,
"www.test.com/test1.html",
"www.test.com/test2.html"));
chunks.push_back(AddChunkPrefix2Value(10,
"www.random.com/random1.html",
"www.random.com/random2.html"));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(safe_browsing_util::kMalwareList, chunks.get());
database_->UpdateFinished(true);
// Add an empty ADD and SUB chunk.
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(safe_browsing_util::kMalwareList, lists[0].name);
EXPECT_EQ("1,10", lists[0].adds);
EXPECT_TRUE(lists[0].subs.empty());
chunks.clear();
chunks.push_back(BuildChunk(19, safe_browsing::ChunkData::ADD,
safe_browsing::ChunkData::PREFIX_4B,
NULL, 0, std::vector<int>()));
chunks.push_back(BuildChunk(7, safe_browsing::ChunkData::SUB,
safe_browsing::ChunkData::PREFIX_4B,
NULL, 0, std::vector<int>()));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(safe_browsing_util::kMalwareList, chunks.get());
database_->UpdateFinished(true);
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(safe_browsing_util::kMalwareList, lists[0].name);
EXPECT_EQ("1,10,19", lists[0].adds);
EXPECT_EQ("7", lists[0].subs);
// Add an empty chunk along with a couple that contain data. This should
// result in the chunk range being reduced in size.
chunks.clear();
chunks.push_back(AddChunkPrefixValue(20, "www.notempty.com/full1.html"));
chunks.push_back(BuildChunk(21, safe_browsing::ChunkData::ADD,
safe_browsing::ChunkData::PREFIX_4B,
NULL, 0, std::vector<int>()));
chunks.push_back(AddChunkPrefixValue(22, "www.notempty.com/full2.html"));
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(safe_browsing_util::kMalwareList, chunks.get());
database_->UpdateFinished(true);
std::vector<SBPrefix> prefix_hits;
std::vector<SBFullHashResult> cache_hits;
EXPECT_TRUE(database_->ContainsBrowseUrl(
GURL("http://www.notempty.com/full1.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE(database_->ContainsBrowseUrl(
GURL("http://www.notempty.com/full2.html"), &prefix_hits, &cache_hits));
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(safe_browsing_util::kMalwareList, lists[0].name);
EXPECT_EQ("1,10,19-22", lists[0].adds);
EXPECT_EQ("7", lists[0].subs);
// Handle AddDel and SubDel commands for empty chunks.
ASSERT_TRUE(database_->UpdateStarted(&lists));
AddDelChunk(safe_browsing_util::kMalwareList, 21);
database_->UpdateFinished(true);
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(safe_browsing_util::kMalwareList, lists[0].name);
EXPECT_EQ("1,10,19-20,22", lists[0].adds);
EXPECT_EQ("7", lists[0].subs);
ASSERT_TRUE(database_->UpdateStarted(&lists));
SubDelChunk(safe_browsing_util::kMalwareList, 7);
database_->UpdateFinished(true);
GetListsInfo(&lists);
ASSERT_LE(1U, lists.size());
EXPECT_EQ(safe_browsing_util::kMalwareList, lists[0].name);
EXPECT_EQ("1,10,19-20,22", lists[0].adds);
EXPECT_TRUE(lists[0].subs.empty());
}
// Utility function for setting up the database for the caching test.
void SafeBrowsingDatabaseTest::PopulateDatabaseForCacheTest() {
// Add a couple prefixes.
ScopedVector<SBChunkData> chunks;
chunks.push_back(AddChunkPrefix2Value(1,
"www.evil.com/phishing.html",
"www.evil.com/malware.html"));
std::vector<SBListChunkRanges> lists;
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(safe_browsing_util::kMalwareList, chunks.get());
database_->UpdateFinished(true);
// Cache should be cleared after updating.
EXPECT_TRUE(
database_->GetUnsynchronizedPrefixGetHashCacheForTesting()->empty());
SBFullHashResult full_hash;
full_hash.list_id = safe_browsing_util::MALWARE;
std::vector<SBFullHashResult> results;
std::vector<SBPrefix> prefixes;
// Add a fullhash result for each prefix.
full_hash.hash = SBFullHashForString("www.evil.com/phishing.html");
results.push_back(full_hash);
prefixes.push_back(full_hash.hash.prefix);
full_hash.hash = SBFullHashForString("www.evil.com/malware.html");
results.push_back(full_hash);
prefixes.push_back(full_hash.hash.prefix);
database_->CacheHashResults(prefixes, results, kCacheLifetime);
}
TEST_F(SafeBrowsingDatabaseTest, HashCaching) {
PopulateDatabaseForCacheTest();
// We should have both full hashes in the cache.
EXPECT_EQ(2U,
database_->GetUnsynchronizedPrefixGetHashCacheForTesting()->size());
// Test the cache lookup for the first prefix.
std::vector<SBPrefix> prefix_hits;
std::vector<SBFullHashResult> cache_hits;
EXPECT_TRUE(database_->ContainsBrowseUrl(
GURL("http://www.evil.com/phishing.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE(prefix_hits.empty());
ASSERT_EQ(1U, cache_hits.size());
EXPECT_TRUE(SBFullHashEqual(
cache_hits[0].hash, SBFullHashForString("www.evil.com/phishing.html")));
prefix_hits.clear();
cache_hits.clear();
// Test the cache lookup for the second prefix.
EXPECT_TRUE(database_->ContainsBrowseUrl(
GURL("http://www.evil.com/malware.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE(prefix_hits.empty());
ASSERT_EQ(1U, cache_hits.size());
EXPECT_TRUE(SBFullHashEqual(
cache_hits[0].hash, SBFullHashForString("www.evil.com/malware.html")));
prefix_hits.clear();
cache_hits.clear();
// Test removing a prefix via a sub chunk.
ScopedVector<SBChunkData> chunks;
chunks.push_back(SubChunkPrefixValue(2, "www.evil.com/phishing.html", 1));
std::vector<SBListChunkRanges> lists;
ASSERT_TRUE(database_->UpdateStarted(&lists));
database_->InsertChunks(safe_browsing_util::kMalwareList, chunks.get());
database_->UpdateFinished(true);
// This prefix should still be there, but cached fullhash should be gone.
EXPECT_TRUE(database_->ContainsBrowseUrl(
GURL("http://www.evil.com/malware.html"), &prefix_hits, &cache_hits));
ASSERT_EQ(1U, prefix_hits.size());
EXPECT_EQ(SBPrefixForString("www.evil.com/malware.html"), prefix_hits[0]);
EXPECT_TRUE(cache_hits.empty());
prefix_hits.clear();
cache_hits.clear();
// This prefix should be gone.
EXPECT_FALSE(database_->ContainsBrowseUrl(
GURL("http://www.evil.com/phishing.html"), &prefix_hits, &cache_hits));
prefix_hits.clear();
cache_hits.clear();
// Test that an AddDel for the original chunk removes the last cached entry.
ASSERT_TRUE(database_->UpdateStarted(&lists));
AddDelChunk(safe_browsing_util::kMalwareList, 1);
database_->UpdateFinished(true);
EXPECT_FALSE(database_->ContainsBrowseUrl(
GURL("http://www.evil.com/malware.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE(
database_->GetUnsynchronizedPrefixGetHashCacheForTesting()->empty());
prefix_hits.clear();
cache_hits.clear();
// Test that the cache won't return expired values. First we have to adjust
// the cached entries' received time to make them older, since the database
// cache insert uses Time::Now(). First, store some entries.
PopulateDatabaseForCacheTest();
SafeBrowsingDatabaseNew::PrefixGetHashCache* hash_cache =
database_->GetUnsynchronizedPrefixGetHashCacheForTesting();
EXPECT_EQ(2U, hash_cache->size());
// Now adjust one of the entries times to be in the past.
const SBPrefix key = SBPrefixForString("www.evil.com/malware.html");
SafeBrowsingDatabaseNew::PrefixGetHashCache::iterator iter =
hash_cache->find(key);
ASSERT_TRUE(iter != hash_cache->end());
iter->second.expire_after = Time::Now() - TimeDelta::FromMinutes(1);
EXPECT_TRUE(database_->ContainsBrowseUrl(
GURL("http://www.evil.com/malware.html"), &prefix_hits, &cache_hits));
EXPECT_EQ(1U, prefix_hits.size());
EXPECT_TRUE(cache_hits.empty());
// Expired entry should have been removed from cache.
EXPECT_EQ(1U, hash_cache->size());
// This entry should still exist.
EXPECT_TRUE(database_->ContainsBrowseUrl(
GURL("http://www.evil.com/phishing.html"), &prefix_hits, &cache_hits));
EXPECT_TRUE(prefix_hits.empty());
EXPECT_EQ(1U, cache_hits.size());
// Testing prefix miss caching. First, we clear out the existing database,
// Since PopulateDatabaseForCacheTest() doesn't handle adding duplicate
// chunks.
ASSERT_TRUE(database_->UpdateStarted(&lists));
AddDelChunk(safe_browsing_util::kMalwareList, 1);
database_->UpdateFinished(true);
// Cache should be cleared after updating.
EXPECT_TRUE(hash_cache->empty());
std::vector<SBPrefix> prefix_misses;
std::vector<SBFullHashResult> empty_full_hash;
prefix_misses.push_back(SBPrefixForString("http://www.bad.com/malware.html"));
prefix_misses.push_back(
SBPrefixForString("http://www.bad.com/phishing.html"));
database_->CacheHashResults(prefix_misses, empty_full_hash, kCacheLifetime);
// Prefixes with no full results are misses.
EXPECT_EQ(hash_cache->size(), prefix_misses.size());
ASSERT_TRUE(
hash_cache->count(SBPrefixForString("http://www.bad.com/malware.html")));
EXPECT_TRUE(
hash_cache->find(SBPrefixForString("http://www.bad.com/malware.html"))
->second.full_hashes.empty());
ASSERT_TRUE(
hash_cache->count(SBPrefixForString("http://www.bad.com/phishing.html")));
EXPECT_TRUE(
hash_cache->find(SBPrefixForString("http://www.bad.com/phishing.html"))
->second.full_hashes.empty());
// Update the database.
PopulateDatabaseForCacheTest();
// Cache a GetHash miss for a particular prefix, and even though the prefix is
// in the database, it is flagged as a miss so looking up the associated URL
// will not succeed.
prefix_hits.clear();
cache_hits.clear();
prefix_misses.clear();
empty_full_hash.clear();
prefix_misses.push_back(SBPrefixForString("www.evil.com/phishing.html"));
database_->CacheHashResults(prefix_misses, empty_full_hash, kCacheLifetime);
EXPECT_FALSE(database_->ContainsBrowseUrl(
GURL("http://www.evil.com/phishing.html"), &prefix_hits, &cache_hits));
prefix_hits.clear();
cache_hits.clear();
// Test receiving a full add chunk.
chunks.clear();
chunks.push_back(AddChunkFullHash2Value(20,
"www.fullevil.com/bad1.html",
"www.fullevil.com/bad2.html"));