// 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 <algorithm>
#include "base/base64.h"
#include "base/sha1.h"
#include "base/strings/string_piece.h"
#include "crypto/sha2.h"
#include "net/base/net_log.h"
#include "net/base/test_completion_callback.h"
#include "net/http/http_security_headers.h"
#include "net/http/http_util.h"
#include "net/http/transport_security_state.h"
#include "net/ssl/ssl_info.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace {
HashValue GetTestHashValue(uint8 label, HashValueTag tag) {
HashValue hash_value(tag);
memset(hash_value.data(), label, hash_value.size());
return hash_value;
}
std::string GetTestPin(uint8 label, HashValueTag tag) {
HashValue hash_value = GetTestHashValue(label, tag);
std::string base64;
base::Base64Encode(base::StringPiece(
reinterpret_cast<char*>(hash_value.data()), hash_value.size()), &base64);
switch (hash_value.tag) {
case HASH_VALUE_SHA1:
return std::string("pin-sha1=\"") + base64 + "\"";
case HASH_VALUE_SHA256:
return std::string("pin-sha256=\"") + base64 + "\"";
default:
NOTREACHED() << "Unknown HashValueTag " << hash_value.tag;
return std::string("ERROR");
}
}
};
class HttpSecurityHeadersTest : public testing::Test {
};
TEST_F(HttpSecurityHeadersTest, BogusHeaders) {
base::TimeDelta max_age;
bool include_subdomains = false;
EXPECT_FALSE(
ParseHSTSHeader(std::string(), &max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(" ", &max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("abc", &max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(" abc", &max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(" abc ", &max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age", &max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(" max-age", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(" max-age ", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=", &max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(" max-age=", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(" max-age =", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(" max-age= ", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(" max-age = ", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(" max-age = xy", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(" max-age = 3488a923", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=3488a923 ", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-ag=3488923", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-aged=3488923", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age==3488923", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("amax-age=3488923", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=-3488923", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=3488923 e", &max_age,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=3488923 includesubdomain",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=3488923includesubdomains",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=3488923=includesubdomains",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=3488923 includesubdomainx",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=3488923 includesubdomain=",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=3488923 includesubdomain=true",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=3488923 includesubdomainsx",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=3488923 includesubdomains x",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=34889.23 includesubdomains",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age=34889 includesubdomains",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(";;;; ;;;",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(";;;; includeSubDomains;;;",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(" includeSubDomains; ",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(";",
&max_age, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader("max-age; ;",
&max_age, &include_subdomains));
// Check the out args were not updated by checking the default
// values for its predictable fields.
EXPECT_EQ(0, max_age.InSeconds());
EXPECT_FALSE(include_subdomains);
}
static void TestBogusPinsHeaders(HashValueTag tag) {
base::TimeDelta max_age;
bool include_subdomains;
HashValueVector hashes;
HashValueVector chain_hashes;
// Set some fake "chain" hashes
chain_hashes.push_back(GetTestHashValue(1, tag));
chain_hashes.push_back(GetTestHashValue(2, tag));
chain_hashes.push_back(GetTestHashValue(3, tag));
// The good pin must be in the chain, the backup pin must not be
std::string good_pin = GetTestPin(2, tag);
std::string backup_pin = GetTestPin(4, tag);
EXPECT_FALSE(ParseHPKPHeader(std::string(), chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader(" ", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader("abc", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader(" abc", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader(" abc ", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader("max-age", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader(" max-age", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader(" max-age ", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader("max-age=", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader(" max-age=", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader(" max-age =", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader(" max-age= ", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader(" max-age = ", chain_hashes,
&max_age, &include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader(" max-age = xy", chain_hashes,
&max_age, &include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader(" max-age = 3488a923",
chain_hashes, &max_age, &include_subdomains,
&hashes));
EXPECT_FALSE(ParseHPKPHeader("max-age=3488a923 ", chain_hashes,
&max_age, &include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader("max-ag=3488923pins=" + good_pin + "," +
backup_pin,
chain_hashes, &max_age, &include_subdomains,
&hashes));
EXPECT_FALSE(ParseHPKPHeader("max-aged=3488923" + backup_pin,
chain_hashes, &max_age, &include_subdomains,
&hashes));
EXPECT_FALSE(ParseHPKPHeader("max-aged=3488923; " + backup_pin,
chain_hashes, &max_age, &include_subdomains,
&hashes));
EXPECT_FALSE(ParseHPKPHeader("max-aged=3488923; " + backup_pin + ";" +
backup_pin,
chain_hashes, &max_age, &include_subdomains,
&hashes));
EXPECT_FALSE(ParseHPKPHeader("max-aged=3488923; " + good_pin + ";" +
good_pin,
chain_hashes, &max_age, &include_subdomains,
&hashes));
EXPECT_FALSE(ParseHPKPHeader("max-aged=3488923; " + good_pin,
chain_hashes, &max_age, &include_subdomains,
&hashes));
EXPECT_FALSE(ParseHPKPHeader("max-age==3488923", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader("amax-age=3488923", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader("max-age=-3488923", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader("max-age=3488923;", chain_hashes, &max_age,
&include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader("max-age=3488923 e", chain_hashes,
&max_age, &include_subdomains, &hashes));
EXPECT_FALSE(ParseHPKPHeader("max-age=3488923 includesubdomain",
chain_hashes, &max_age, &include_subdomains,
&hashes));
EXPECT_FALSE(ParseHPKPHeader("max-age=34889.23", chain_hashes, &max_age,
&include_subdomains, &hashes));
// Check the out args were not updated by checking the default
// values for its predictable fields.
EXPECT_EQ(0, max_age.InSeconds());
EXPECT_EQ(hashes.size(), (size_t)0);
}
TEST_F(HttpSecurityHeadersTest, ValidSTSHeaders) {
base::TimeDelta max_age;
base::TimeDelta expect_max_age;
bool include_subdomains = false;
EXPECT_TRUE(ParseHSTSHeader("max-age=243", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(243);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader("max-age=3488923;", &max_age,
&include_subdomains));
EXPECT_TRUE(ParseHSTSHeader(" Max-agE = 567", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(567);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(" mAx-aGe = 890 ", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(890);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader("max-age=123;incLudesUbdOmains", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader("incLudesUbdOmains; max-age=123", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(" incLudesUbdOmains; max-age=123",
&max_age, &include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
" incLudesUbdOmains; max-age=123; pumpkin=kitten", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
" pumpkin=894; incLudesUbdOmains; max-age=123 ", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
" pumpkin; incLudesUbdOmains; max-age=123 ", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
" pumpkin; incLudesUbdOmains; max-age=\"123\" ", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
"animal=\"squirrel; distinguished\"; incLudesUbdOmains; max-age=123",
&max_age, &include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader("max-age=394082; incLudesUbdOmains",
&max_age, &include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(394082);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
"max-age=39408299 ;incLudesUbdOmains", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(39408299))));
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
"max-age=394082038 ; incLudesUbdOmains", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(394082038))));
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
"max-age=394082038 ; incLudesUbdOmains;", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(394082038))));
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
";; max-age=394082038 ; incLudesUbdOmains; ;", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(394082038))));
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
";; max-age=394082038 ;", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(394082038))));
EXPECT_EQ(expect_max_age, max_age);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
";; ; ; max-age=394082038;;; includeSubdomains ;; ;", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(394082038))));
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
"incLudesUbdOmains ; max-age=394082038 ;;", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(394082038))));
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
" max-age=0 ; incLudesUbdOmains ", &max_age,
&include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(0);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
" max-age=999999999999999999999999999999999999999999999 ;"
" incLudesUbdOmains ", &max_age, &include_subdomains));
expect_max_age = base::TimeDelta::FromSeconds(
kMaxHSTSAgeSecs);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
}
static void TestValidPKPHeaders(HashValueTag tag) {
base::TimeDelta max_age;
base::TimeDelta expect_max_age;
bool include_subdomains;
HashValueVector hashes;
HashValueVector chain_hashes;
// Set some fake "chain" hashes into chain_hashes
chain_hashes.push_back(GetTestHashValue(1, tag));
chain_hashes.push_back(GetTestHashValue(2, tag));
chain_hashes.push_back(GetTestHashValue(3, tag));
// The good pin must be in the chain, the backup pin must not be
std::string good_pin = GetTestPin(2, tag);
std::string backup_pin = GetTestPin(4, tag);
EXPECT_TRUE(ParseHPKPHeader(
"max-age=243; " + good_pin + ";" + backup_pin,
chain_hashes, &max_age, &include_subdomains, &hashes));
expect_max_age = base::TimeDelta::FromSeconds(243);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHPKPHeader(
" " + good_pin + "; " + backup_pin + " ; Max-agE = 567",
chain_hashes, &max_age, &include_subdomains, &hashes));
expect_max_age = base::TimeDelta::FromSeconds(567);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHPKPHeader(
"includeSubDOMAINS;" + good_pin + ";" + backup_pin +
" ; mAx-aGe = 890 ",
chain_hashes, &max_age, &include_subdomains, &hashes));
expect_max_age = base::TimeDelta::FromSeconds(890);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHPKPHeader(
good_pin + ";" + backup_pin + "; max-age=123;IGNORED;",
chain_hashes, &max_age, &include_subdomains, &hashes));
expect_max_age = base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHPKPHeader(
"max-age=394082;" + backup_pin + ";" + good_pin + "; ",
chain_hashes, &max_age, &include_subdomains, &hashes));
expect_max_age = base::TimeDelta::FromSeconds(394082);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHPKPHeader(
"max-age=39408299 ;" + backup_pin + ";" + good_pin + "; ",
chain_hashes, &max_age, &include_subdomains, &hashes));
expect_max_age = base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(39408299))));
EXPECT_EQ(expect_max_age, max_age);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHPKPHeader(
"max-age=39408038 ; cybers=39408038 ; includeSubdomains; " +
good_pin + ";" + backup_pin + "; ",
chain_hashes, &max_age, &include_subdomains, &hashes));
expect_max_age = base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(394082038))));
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHPKPHeader(
" max-age=0 ; " + good_pin + ";" + backup_pin,
chain_hashes, &max_age, &include_subdomains, &hashes));
expect_max_age = base::TimeDelta::FromSeconds(0);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHPKPHeader(
" max-age=0 ; includeSubdomains; " + good_pin + ";" + backup_pin,
chain_hashes, &max_age, &include_subdomains, &hashes));
expect_max_age = base::TimeDelta::FromSeconds(0);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHPKPHeader(
" max-age=999999999999999999999999999999999999999999999 ; " +
backup_pin + ";" + good_pin + "; ",
chain_hashes, &max_age, &include_subdomains, &hashes));
expect_max_age = base::TimeDelta::FromSeconds(kMaxHSTSAgeSecs);
EXPECT_EQ(expect_max_age, max_age);
EXPECT_FALSE(include_subdomains);
// Test that parsing the same header twice doesn't duplicate the recorded
// hashes.
hashes.clear();
EXPECT_TRUE(ParseHPKPHeader(
" max-age=999; " +
backup_pin + ";" + good_pin + "; ",
chain_hashes, &max_age, &include_subdomains, &hashes));
EXPECT_EQ(2u, hashes.size());
EXPECT_TRUE(ParseHPKPHeader(
" max-age=999; " +
backup_pin + ";" + good_pin + "; ",
chain_hashes, &max_age, &include_subdomains, &hashes));
EXPECT_EQ(2u, hashes.size());
}
TEST_F(HttpSecurityHeadersTest, BogusPinsHeadersSHA1) {
TestBogusPinsHeaders(HASH_VALUE_SHA1);
}
TEST_F(HttpSecurityHeadersTest, BogusPinsHeadersSHA256) {
TestBogusPinsHeaders(HASH_VALUE_SHA256);
}
TEST_F(HttpSecurityHeadersTest, ValidPKPHeadersSHA1) {
TestValidPKPHeaders(HASH_VALUE_SHA1);
}
TEST_F(HttpSecurityHeadersTest, ValidPKPHeadersSHA256) {
TestValidPKPHeaders(HASH_VALUE_SHA256);
}
TEST_F(HttpSecurityHeadersTest, UpdateDynamicPKPOnly) {
TransportSecurityState state;
TransportSecurityState::DomainState static_domain_state;
// docs.google.com has preloaded pins.
const bool sni_enabled = true;
std::string domain = "docs.google.com";
EXPECT_TRUE(
state.GetStaticDomainState(domain, sni_enabled, &static_domain_state));
EXPECT_GT(static_domain_state.pkp.spki_hashes.size(), 1UL);
HashValueVector saved_hashes = static_domain_state.pkp.spki_hashes;
// Add a header, which should only update the dynamic state.
HashValue good_hash = GetTestHashValue(1, HASH_VALUE_SHA1);
HashValue backup_hash = GetTestHashValue(2, HASH_VALUE_SHA1);
std::string good_pin = GetTestPin(1, HASH_VALUE_SHA1);
std::string backup_pin = GetTestPin(2, HASH_VALUE_SHA1);
std::string header = "max-age = 10000; " + good_pin + "; " + backup_pin;
// Construct a fake SSLInfo that will pass AddHPKPHeader's checks.
SSLInfo ssl_info;
ssl_info.public_key_hashes.push_back(good_hash);
ssl_info.public_key_hashes.push_back(saved_hashes[0]);
EXPECT_TRUE(state.AddHPKPHeader(domain, header, ssl_info));
// Expect the static state to remain unchanged.
TransportSecurityState::DomainState new_static_domain_state;
EXPECT_TRUE(state.GetStaticDomainState(
domain, sni_enabled, &new_static_domain_state));
for (size_t i = 0; i < saved_hashes.size(); ++i) {
EXPECT_TRUE(HashValuesEqual(saved_hashes[i])(
new_static_domain_state.pkp.spki_hashes[i]));
}
// Expect the dynamic state to reflect the header.
TransportSecurityState::DomainState dynamic_domain_state;
EXPECT_TRUE(state.GetDynamicDomainState(domain, &dynamic_domain_state));
EXPECT_EQ(2UL, dynamic_domain_state.pkp.spki_hashes.size());
HashValueVector::const_iterator hash =
std::find_if(dynamic_domain_state.pkp.spki_hashes.begin(),
dynamic_domain_state.pkp.spki_hashes.end(),
HashValuesEqual(good_hash));
EXPECT_NE(dynamic_domain_state.pkp.spki_hashes.end(), hash);
hash = std::find_if(dynamic_domain_state.pkp.spki_hashes.begin(),
dynamic_domain_state.pkp.spki_hashes.end(),
HashValuesEqual(backup_hash));
EXPECT_NE(dynamic_domain_state.pkp.spki_hashes.end(), hash);
// Expect the overall state to reflect the header, too.
EXPECT_TRUE(state.HasPublicKeyPins(domain, sni_enabled));
HashValueVector hashes;
hashes.push_back(good_hash);
std::string failure_log;
EXPECT_TRUE(
state.CheckPublicKeyPins(domain, sni_enabled, hashes, &failure_log));
TransportSecurityState::DomainState new_dynamic_domain_state;
EXPECT_TRUE(state.GetDynamicDomainState(domain, &new_dynamic_domain_state));
EXPECT_EQ(2UL, new_dynamic_domain_state.pkp.spki_hashes.size());
hash = std::find_if(new_dynamic_domain_state.pkp.spki_hashes.begin(),
new_dynamic_domain_state.pkp.spki_hashes.end(),
HashValuesEqual(good_hash));
EXPECT_NE(new_dynamic_domain_state.pkp.spki_hashes.end(), hash);
hash = std::find_if(new_dynamic_domain_state.pkp.spki_hashes.begin(),
new_dynamic_domain_state.pkp.spki_hashes.end(),
HashValuesEqual(backup_hash));
EXPECT_NE(new_dynamic_domain_state.pkp.spki_hashes.end(), hash);
}
// Failing on win_chromium_rel. crbug.com/375538
#if defined(OS_WIN)
#define MAYBE_UpdateDynamicPKPMaxAge0 DISABLED_UpdateDynamicPKPMaxAge0
#else
#define MAYBE_UpdateDynamicPKPMaxAge0 UpdateDynamicPKPMaxAge0
#endif
TEST_F(HttpSecurityHeadersTest, MAYBE_UpdateDynamicPKPMaxAge0) {
TransportSecurityState state;
TransportSecurityState::DomainState static_domain_state;
// docs.google.com has preloaded pins.
const bool sni_enabled = true;
std::string domain = "docs.google.com";
ASSERT_TRUE(
state.GetStaticDomainState(domain, sni_enabled, &static_domain_state));
EXPECT_GT(static_domain_state.pkp.spki_hashes.size(), 1UL);
HashValueVector saved_hashes = static_domain_state.pkp.spki_hashes;
// Add a header, which should only update the dynamic state.
HashValue good_hash = GetTestHashValue(1, HASH_VALUE_SHA1);
std::string good_pin = GetTestPin(1, HASH_VALUE_SHA1);
std::string backup_pin = GetTestPin(2, HASH_VALUE_SHA1);
std::string header = "max-age = 10000; " + good_pin + "; " + backup_pin;
// Construct a fake SSLInfo that will pass AddHPKPHeader's checks.
SSLInfo ssl_info;
ssl_info.public_key_hashes.push_back(good_hash);
ssl_info.public_key_hashes.push_back(saved_hashes[0]);
EXPECT_TRUE(state.AddHPKPHeader(domain, header, ssl_info));
// Expect the static state to remain unchanged.
TransportSecurityState::DomainState new_static_domain_state;
EXPECT_TRUE(state.GetStaticDomainState(
domain, sni_enabled, &new_static_domain_state));
EXPECT_EQ(saved_hashes.size(),
new_static_domain_state.pkp.spki_hashes.size());
for (size_t i = 0; i < saved_hashes.size(); ++i) {
EXPECT_TRUE(HashValuesEqual(saved_hashes[i])(
new_static_domain_state.pkp.spki_hashes[i]));
}
// Expect the dynamic state to have pins.
TransportSecurityState::DomainState new_dynamic_domain_state;
EXPECT_TRUE(state.GetDynamicDomainState(domain, &new_dynamic_domain_state));
EXPECT_EQ(2UL, new_dynamic_domain_state.pkp.spki_hashes.size());
EXPECT_TRUE(new_dynamic_domain_state.HasPublicKeyPins());
// Now set another header with max-age=0, and check that the pins are
// cleared in the dynamic state only.
header = "max-age = 0; " + good_pin + "; " + backup_pin;
EXPECT_TRUE(state.AddHPKPHeader(domain, header, ssl_info));
// Expect the static state to remain unchanged.
TransportSecurityState::DomainState new_static_domain_state2;
EXPECT_TRUE(state.GetStaticDomainState(
domain, sni_enabled, &new_static_domain_state2));
EXPECT_EQ(saved_hashes.size(),
new_static_domain_state2.pkp.spki_hashes.size());
for (size_t i = 0; i < saved_hashes.size(); ++i) {
EXPECT_TRUE(HashValuesEqual(saved_hashes[i])(
new_static_domain_state2.pkp.spki_hashes[i]));
}
// Expect the dynamic pins to be gone.
TransportSecurityState::DomainState new_dynamic_domain_state2;
EXPECT_FALSE(state.GetDynamicDomainState(domain, &new_dynamic_domain_state2));
// Expect the exact-matching static policy to continue to apply, even
// though dynamic policy has been removed. (This policy may change in the
// future, in which case this test must be updated.)
EXPECT_TRUE(state.HasPublicKeyPins(domain, true));
EXPECT_TRUE(state.ShouldSSLErrorsBeFatal(domain, true));
std::string failure_log;
// Damage the hashes to cause a pin validation failure.
new_static_domain_state2.pkp.spki_hashes[0].data()[0] ^= 0x80;
new_static_domain_state2.pkp.spki_hashes[1].data()[0] ^= 0x80;
EXPECT_FALSE(state.CheckPublicKeyPins(
domain, true, new_static_domain_state2.pkp.spki_hashes, &failure_log));
EXPECT_NE(0UL, failure_log.length());
}
#undef MAYBE_UpdateDynamicPKPMaxAge0
// Tests that when a static HSTS and a static HPKP entry are present, adding a
// dynamic HSTS header does not clobber the static HPKP entry. Further, adding a
// dynamic HPKP entry could not affect the HSTS entry for the site.
TEST_F(HttpSecurityHeadersTest, NoClobberPins) {
TransportSecurityState state;
TransportSecurityState::DomainState domain_state;
// accounts.google.com has preloaded pins.
std::string domain = "accounts.google.com";
// Retrieve the DomainState as it is by default, including its known good
// pins.
const bool sni_enabled = true;
EXPECT_TRUE(state.GetStaticDomainState(domain, sni_enabled, &domain_state));
HashValueVector saved_hashes = domain_state.pkp.spki_hashes;
EXPECT_TRUE(domain_state.ShouldUpgradeToSSL());
EXPECT_TRUE(domain_state.HasPublicKeyPins());
EXPECT_TRUE(state.ShouldUpgradeToSSL(domain, sni_enabled));
EXPECT_TRUE(state.HasPublicKeyPins(domain, sni_enabled));
// Add a dynamic HSTS header. CheckPublicKeyPins should still pass when given
// the original |saved_hashes|, indicating that the static PKP data is still
// configured for the domain.
EXPECT_TRUE(state.AddHSTSHeader(domain, "includesubdomains; max-age=10000"));
EXPECT_TRUE(state.ShouldUpgradeToSSL(domain, sni_enabled));
std::string failure_log;
EXPECT_TRUE(state.CheckPublicKeyPins(
domain, sni_enabled, saved_hashes, &failure_log));
// Add an HPKP header, which should only update the dynamic state.
HashValue good_hash = GetTestHashValue(1, HASH_VALUE_SHA1);
std::string good_pin = GetTestPin(1, HASH_VALUE_SHA1);
std::string backup_pin = GetTestPin(2, HASH_VALUE_SHA1);
std::string header = "max-age = 10000; " + good_pin + "; " + backup_pin;
// Construct a fake SSLInfo that will pass AddHPKPHeader's checks.
SSLInfo ssl_info;
ssl_info.public_key_hashes.push_back(good_hash);
ssl_info.public_key_hashes.push_back(saved_hashes[0]);
EXPECT_TRUE(state.AddHPKPHeader(domain, header, ssl_info));
EXPECT_TRUE(state.AddHPKPHeader(domain, header, ssl_info));
// HSTS should still be configured for this domain.
EXPECT_TRUE(domain_state.ShouldUpgradeToSSL());
EXPECT_TRUE(state.ShouldUpgradeToSSL(domain, sni_enabled));
// The dynamic pins, which do not match |saved_hashes|, should take
// precedence over the static pins and cause the check to fail.
EXPECT_FALSE(state.CheckPublicKeyPins(
domain, sni_enabled, saved_hashes, &failure_log));
}
}; // namespace net