1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "components/policy/core/common/cloud/policy_builder.h" 6 7 #include <vector> 8 9 #include "base/stl_util.h" 10 #include "components/policy/core/common/cloud/cloud_policy_constants.h" 11 #include "crypto/signature_creator.h" 12 13 namespace em = enterprise_management; 14 15 namespace policy { 16 17 namespace { 18 19 // Signing key test data in DER-encoded PKCS8 format. 20 const uint8 kSigningKey[] = { 21 0x30, 0x82, 0x01, 0x55, 0x02, 0x01, 0x00, 0x30, 0x0d, 0x06, 0x09, 0x2a, 22 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 23 0x01, 0x3f, 0x30, 0x82, 0x01, 0x3b, 0x02, 0x01, 0x00, 0x02, 0x41, 0x00, 24 0xd9, 0xcd, 0xca, 0xcd, 0xc3, 0xea, 0xbe, 0x72, 0x79, 0x1c, 0x29, 0x37, 25 0x39, 0x99, 0x1f, 0xd4, 0xb3, 0x0e, 0xf0, 0x7b, 0x78, 0x77, 0x0e, 0x05, 26 0x3b, 0x65, 0x34, 0x12, 0x62, 0xaf, 0xa6, 0x8d, 0x33, 0xce, 0x78, 0xf8, 27 0x47, 0x05, 0x1d, 0x98, 0xaa, 0x1b, 0x1f, 0x50, 0x05, 0x5b, 0x3c, 0x19, 28 0x3f, 0x80, 0x83, 0x63, 0x63, 0x3a, 0xec, 0xcb, 0x2e, 0x90, 0x4f, 0xf5, 29 0x26, 0x76, 0xf1, 0xd5, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x40, 0x64, 30 0x29, 0xc2, 0xd9, 0x6b, 0xfe, 0xf9, 0x84, 0x75, 0x73, 0xe0, 0xf4, 0x77, 31 0xb5, 0x96, 0xb0, 0xdf, 0x83, 0xc0, 0x4e, 0x57, 0xf1, 0x10, 0x6e, 0x91, 32 0x89, 0x12, 0x30, 0x5e, 0x57, 0xff, 0x14, 0x59, 0x5f, 0x18, 0x86, 0x4e, 33 0x4b, 0x17, 0x56, 0xfc, 0x8d, 0x40, 0xdd, 0x74, 0x65, 0xd3, 0xff, 0x67, 34 0x64, 0xcb, 0x9c, 0xb4, 0x14, 0x8a, 0x06, 0xb7, 0x13, 0x45, 0x94, 0x16, 35 0x7d, 0x3f, 0xe1, 0x02, 0x21, 0x00, 0xf6, 0x0f, 0x31, 0x6d, 0x06, 0xcc, 36 0x3b, 0xa0, 0x44, 0x1f, 0xf5, 0xc2, 0x45, 0x2b, 0x10, 0x6c, 0xf9, 0x6f, 37 0x8f, 0x87, 0x3d, 0xc0, 0x3b, 0x55, 0x13, 0x37, 0x80, 0xcd, 0x9f, 0xe1, 38 0xb7, 0xd9, 0x02, 0x21, 0x00, 0xe2, 0x9a, 0x5f, 0xbf, 0x95, 0x74, 0xb5, 39 0x7a, 0x6a, 0xa6, 0x97, 0xbd, 0x75, 0x8c, 0x97, 0x18, 0x24, 0xd6, 0x09, 40 0xcd, 0xdc, 0xb5, 0x94, 0xbf, 0xe2, 0x78, 0xaa, 0x20, 0x47, 0x9f, 0x68, 41 0x5d, 0x02, 0x21, 0x00, 0xaf, 0x8f, 0x97, 0x8c, 0x5a, 0xd5, 0x4d, 0x95, 42 0xc4, 0x05, 0xa9, 0xab, 0xba, 0xfe, 0x46, 0xf1, 0xf9, 0xe7, 0x07, 0x59, 43 0x4f, 0x4d, 0xe1, 0x07, 0x8a, 0x76, 0x87, 0x88, 0x2f, 0x13, 0x35, 0xc1, 44 0x02, 0x20, 0x24, 0xc3, 0xd9, 0x2f, 0x13, 0x47, 0x99, 0x3e, 0x20, 0x59, 45 0xa1, 0x1a, 0xeb, 0x1c, 0x81, 0x53, 0x38, 0x7e, 0xc5, 0x9e, 0x71, 0xe5, 46 0xc0, 0x19, 0x95, 0xdb, 0xef, 0xf6, 0x46, 0xc8, 0x95, 0x3d, 0x02, 0x21, 47 0x00, 0xaa, 0xb1, 0xff, 0x8a, 0xa2, 0xb2, 0x2b, 0xef, 0x9a, 0x83, 0x3f, 48 0xc5, 0xbc, 0xd4, 0x6a, 0x07, 0xe8, 0xc7, 0x0b, 0x2e, 0xd4, 0x0f, 0xf8, 49 0x98, 0x68, 0xe1, 0x04, 0xa8, 0x92, 0xd0, 0x10, 0xaa, 50 }; 51 52 // New signing key test data in DER-encoded PKCS8 format. 53 const uint8 kNewSigningKey[] = { 54 0x30, 0x82, 0x01, 0x54, 0x02, 0x01, 0x00, 0x30, 0x0d, 0x06, 0x09, 0x2a, 55 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 56 0x01, 0x3e, 0x30, 0x82, 0x01, 0x3a, 0x02, 0x01, 0x00, 0x02, 0x41, 0x00, 57 0x99, 0x98, 0x6b, 0x79, 0x5d, 0x38, 0x33, 0x79, 0x27, 0x0a, 0x2e, 0xb0, 58 0x89, 0xba, 0xf8, 0xf6, 0x80, 0xde, 0xb0, 0x79, 0xf2, 0xd4, 0x6d, 0xf7, 59 0x3c, 0xa3, 0x97, 0xf6, 0x4a, 0x3c, 0xa5, 0xcc, 0x40, 0x8a, 0xef, 0x59, 60 0xaa, 0xc2, 0x82, 0x8f, 0xbc, 0x0d, 0x5b, 0x63, 0xc6, 0xaa, 0x72, 0xe2, 61 0xf3, 0x57, 0xdd, 0x74, 0x00, 0xb0, 0x42, 0xd6, 0x27, 0xe7, 0x17, 0x61, 62 0x0a, 0xdc, 0xc1, 0xf7, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x40, 0x34, 63 0xcf, 0xc9, 0xb4, 0x73, 0x2f, 0x0d, 0xd3, 0xcc, 0x6e, 0x9d, 0xdb, 0x29, 64 0xa0, 0x56, 0x56, 0x3b, 0xbd, 0x56, 0x24, 0xb8, 0x2f, 0xfe, 0x97, 0x92, 65 0x0c, 0x16, 0x06, 0x23, 0x44, 0x73, 0x25, 0x1d, 0x65, 0xf4, 0xda, 0x77, 66 0xe7, 0x91, 0x2e, 0x91, 0x05, 0x10, 0xc1, 0x1b, 0x39, 0x5e, 0xb2, 0xf7, 67 0xbd, 0x14, 0x19, 0xcb, 0x6b, 0xc3, 0xa9, 0xe8, 0x91, 0xf7, 0xa7, 0xa9, 68 0x90, 0x08, 0x51, 0x02, 0x21, 0x00, 0xcc, 0x9e, 0x03, 0x54, 0x8f, 0x24, 69 0xde, 0x90, 0x25, 0xec, 0x21, 0xaf, 0xe6, 0x27, 0x2a, 0x16, 0x42, 0x74, 70 0xda, 0xf8, 0x84, 0xc4, 0x8c, 0x1e, 0x86, 0x12, 0x04, 0x5c, 0x17, 0x01, 71 0xea, 0x9d, 0x02, 0x21, 0x00, 0xc0, 0x2a, 0x6c, 0xe9, 0xa1, 0x1a, 0x41, 72 0x11, 0x94, 0x50, 0xf7, 0x1a, 0xd3, 0xbc, 0xf3, 0xa2, 0xf8, 0x46, 0xbc, 73 0x26, 0x77, 0x78, 0xef, 0xc0, 0x54, 0xec, 0x22, 0x3f, 0x2c, 0x57, 0xe0, 74 0xa3, 0x02, 0x20, 0x31, 0xf2, 0xc8, 0xa1, 0x55, 0xa8, 0x0c, 0x64, 0x67, 75 0xbd, 0x72, 0xa3, 0xbb, 0xad, 0x07, 0xcb, 0x13, 0x41, 0xef, 0x4a, 0x07, 76 0x2e, 0xeb, 0x7d, 0x70, 0x00, 0xe9, 0xeb, 0x88, 0xfa, 0x40, 0xc9, 0x02, 77 0x20, 0x3a, 0xe0, 0xc4, 0xde, 0x10, 0x6e, 0x6a, 0xe1, 0x68, 0x00, 0x26, 78 0xb6, 0x21, 0x8a, 0x13, 0x5c, 0x2b, 0x96, 0x00, 0xb0, 0x08, 0x8b, 0x15, 79 0x6a, 0x68, 0x9a, 0xb1, 0x23, 0x8a, 0x02, 0xa2, 0xe1, 0x02, 0x21, 0x00, 80 0xa3, 0xf2, 0x2d, 0x55, 0xc1, 0x6d, 0x40, 0xfa, 0x1d, 0xf7, 0xba, 0x86, 81 0xef, 0x50, 0x98, 0xfc, 0xee, 0x09, 0xcc, 0xe7, 0x22, 0xb9, 0x4e, 0x80, 82 0x32, 0x1a, 0x6b, 0xb3, 0x5f, 0x35, 0xbd, 0xf3, 83 }; 84 85 } // namespace 86 87 // Constants used as dummy data for filling the PolicyData protobuf. 88 const char PolicyBuilder::kFakeDeviceId[] = "device-id"; 89 const char PolicyBuilder::kFakeDomain[] = "example.com"; 90 const char PolicyBuilder::kFakeMachineName[] = "machine-name"; 91 const char PolicyBuilder::kFakePolicyType[] = "policy type"; 92 const int PolicyBuilder::kFakePublicKeyVersion = 17; 93 const int64 PolicyBuilder::kFakeTimestamp = 365LL * 24 * 60 * 60 * 1000; 94 const char PolicyBuilder::kFakeToken[] = "token"; 95 const char PolicyBuilder::kFakeUsername[] = "username (at) example.com"; 96 const char PolicyBuilder::kFakeServiceAccountIdentity[] = "robot4test (at) g.com"; 97 98 PolicyBuilder::PolicyBuilder() 99 : policy_data_(new em::PolicyData()) { 100 SetDefaultSigningKey(); 101 policy_data_->set_policy_type(kFakePolicyType); 102 policy_data_->set_timestamp(kFakeTimestamp); 103 policy_data_->set_request_token(kFakeToken); 104 policy_data_->set_machine_name(kFakeMachineName); 105 policy_data_->set_public_key_version(kFakePublicKeyVersion); 106 policy_data_->set_username(kFakeUsername); 107 policy_data_->set_device_id(kFakeDeviceId); 108 policy_data_->set_state(em::PolicyData::ACTIVE); 109 policy_data_->set_service_account_identity(kFakeServiceAccountIdentity); 110 } 111 112 PolicyBuilder::~PolicyBuilder() {} 113 114 scoped_ptr<crypto::RSAPrivateKey> PolicyBuilder::GetSigningKey() { 115 if (raw_signing_key_.empty()) 116 return scoped_ptr<crypto::RSAPrivateKey>(); 117 return scoped_ptr<crypto::RSAPrivateKey>( 118 crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(raw_signing_key_)); 119 } 120 121 void PolicyBuilder::SetSigningKey(const crypto::RSAPrivateKey& key) { 122 key.ExportPrivateKey(&raw_signing_key_); 123 } 124 125 void PolicyBuilder::SetDefaultSigningKey() { 126 std::vector<uint8> key(kSigningKey, kSigningKey + arraysize(kSigningKey)); 127 raw_signing_key_.swap(key); 128 } 129 130 void PolicyBuilder::UnsetSigningKey() { 131 raw_signing_key_.clear(); 132 } 133 134 scoped_ptr<crypto::RSAPrivateKey> PolicyBuilder::GetNewSigningKey() { 135 if (raw_new_signing_key_.empty()) 136 return scoped_ptr<crypto::RSAPrivateKey>(); 137 return scoped_ptr<crypto::RSAPrivateKey>( 138 crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(raw_new_signing_key_)); 139 } 140 141 void PolicyBuilder::SetDefaultNewSigningKey() { 142 std::vector<uint8> key(kNewSigningKey, 143 kNewSigningKey + arraysize(kNewSigningKey)); 144 raw_new_signing_key_.swap(key); 145 } 146 147 void PolicyBuilder::UnsetNewSigningKey() { 148 raw_new_signing_key_.clear(); 149 } 150 151 void PolicyBuilder::Build() { 152 if (policy_data_.get()) 153 CHECK(policy_data_->SerializeToString(policy_.mutable_policy_data())); 154 155 // Generate signatures if applicable. 156 scoped_ptr<crypto::RSAPrivateKey> policy_signing_key = GetNewSigningKey(); 157 if (policy_signing_key) { 158 // Add the new public key. 159 std::vector<uint8> raw_new_public_signing_key; 160 CHECK(policy_signing_key->ExportPublicKey(&raw_new_public_signing_key)); 161 policy_.set_new_public_key(vector_as_array(&raw_new_public_signing_key), 162 raw_new_public_signing_key.size()); 163 164 // The new public key must be signed by the old key. 165 scoped_ptr<crypto::RSAPrivateKey> old_signing_key = GetSigningKey(); 166 if (old_signing_key) { 167 SignData(policy_.new_public_key(), 168 old_signing_key.get(), 169 policy_.mutable_new_public_key_signature()); 170 } 171 } else { 172 policy_signing_key = GetSigningKey(); 173 } 174 175 // PolicyData signature. 176 if (policy_signing_key) { 177 SignData(policy_.policy_data(), policy_signing_key.get(), 178 policy_.mutable_policy_data_signature()); 179 } 180 } 181 182 std::string PolicyBuilder::GetBlob() { 183 return policy_.SerializeAsString(); 184 } 185 186 scoped_ptr<em::PolicyFetchResponse> PolicyBuilder::GetCopy() { 187 scoped_ptr<em::PolicyFetchResponse> result(new em::PolicyFetchResponse()); 188 result->CopyFrom(policy_); 189 return result.Pass(); 190 } 191 192 // static 193 scoped_ptr<crypto::RSAPrivateKey> PolicyBuilder::CreateTestSigningKey() { 194 std::vector<uint8> raw_signing_key( 195 kSigningKey, kSigningKey + arraysize(kSigningKey)); 196 return scoped_ptr<crypto::RSAPrivateKey>( 197 crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(raw_signing_key)); 198 } 199 200 // static 201 scoped_ptr<crypto::RSAPrivateKey> PolicyBuilder::CreateTestOtherSigningKey() { 202 std::vector<uint8> raw_new_signing_key( 203 kNewSigningKey, kNewSigningKey + arraysize(kNewSigningKey)); 204 return scoped_ptr<crypto::RSAPrivateKey>( 205 crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(raw_new_signing_key)); 206 } 207 208 void PolicyBuilder::SignData(const std::string& data, 209 crypto::RSAPrivateKey* key, 210 std::string* signature) { 211 scoped_ptr<crypto::SignatureCreator> signature_creator( 212 crypto::SignatureCreator::Create(key)); 213 signature_creator->Update(reinterpret_cast<const uint8*>(data.c_str()), 214 data.size()); 215 std::vector<uint8> signature_bytes; 216 CHECK(signature_creator->Final(&signature_bytes)); 217 signature->assign( 218 reinterpret_cast<const char*>(vector_as_array(&signature_bytes)), 219 signature_bytes.size()); 220 } 221 222 template<> 223 TypedPolicyBuilder<em::CloudPolicySettings>::TypedPolicyBuilder() 224 : payload_(new em::CloudPolicySettings()) { 225 policy_data().set_policy_type(dm_protocol::kChromeUserPolicyType); 226 } 227 228 // Have the instantiation compiled into the module. 229 template class TypedPolicyBuilder<em::CloudPolicySettings>; 230 231 #if !defined(OS_ANDROID) 232 template<> 233 TypedPolicyBuilder<em::ExternalPolicyData>::TypedPolicyBuilder() 234 : payload_(new em::ExternalPolicyData()) { 235 policy_data().set_policy_type(dm_protocol::kChromeExtensionPolicyType); 236 } 237 238 template class TypedPolicyBuilder<em::ExternalPolicyData>; 239 #endif 240 241 } // namespace policy 242
