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| 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 "net/base/server_bound_cert_service.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <limits> | |
| 9 | |
| 10 #include "base/bind.h" | |
| 11 #include "base/bind_helpers.h" | |
| 12 #include "base/callback_helpers.h" | |
| 13 #include "base/compiler_specific.h" | |
| 14 #include "base/location.h" | |
| 15 #include "base/logging.h" | |
| 16 #include "base/memory/ref_counted.h" | |
| 17 #include "base/memory/scoped_ptr.h" | |
| 18 #include "base/message_loop_proxy.h" | |
| 19 #include "base/metrics/histogram.h" | |
| 20 #include "base/rand_util.h" | |
| 21 #include "base/stl_util.h" | |
| 22 #include "base/task_runner.h" | |
| 23 #include "crypto/ec_private_key.h" | |
| 24 #include "googleurl/src/gurl.h" | |
| 25 #include "net/base/net_errors.h" | |
| 26 #include "net/base/registry_controlled_domains/registry_controlled_domain.h" | |
| 27 #include "net/base/x509_certificate.h" | |
| 28 #include "net/base/x509_util.h" | |
| 29 | |
| 30 #if defined(USE_NSS) | |
| 31 #include <private/pprthred.h> // PR_DetachThread | |
| 32 #endif | |
| 33 | |
| 34 namespace net { | |
| 35 | |
| 36 namespace { | |
| 37 | |
| 38 const int kKeySizeInBits = 1024; | |
| 39 const int kValidityPeriodInDays = 365; | |
| 40 // When we check the system time, we add this many days to the end of the check | |
| 41 // so the result will still hold even after chrome has been running for a | |
| 42 // while. | |
| 43 const int kSystemTimeValidityBufferInDays = 90; | |
| 44 | |
| 45 bool IsSupportedCertType(uint8 type) { | |
| 46 switch(type) { | |
| 47 case CLIENT_CERT_ECDSA_SIGN: | |
| 48 return true; | |
| 49 // If we add any more supported types, CertIsValid will need to be updated | |
| 50 // to check that the returned type matches one of the requested types. | |
| 51 default: | |
| 52 return false; | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 bool CertIsValid(const std::string& domain, | |
| 57 SSLClientCertType type, | |
| 58 base::Time expiration_time) { | |
| 59 if (expiration_time < base::Time::Now()) { | |
| 60 DVLOG(1) << "Cert store had expired cert for " << domain; | |
| 61 return false; | |
| 62 } else if (!IsSupportedCertType(type)) { | |
| 63 DVLOG(1) << "Cert store had cert of wrong type " << type << " for " | |
| 64 << domain; | |
| 65 return false; | |
| 66 } | |
| 67 return true; | |
| 68 } | |
| 69 | |
| 70 // Used by the GetDomainBoundCertResult histogram to record the final | |
| 71 // outcome of each GetDomainBoundCert call. Do not re-use values. | |
| 72 enum GetCertResult { | |
| 73 // Synchronously found and returned an existing domain bound cert. | |
| 74 SYNC_SUCCESS = 0, | |
| 75 // Retrieved or generated and returned a domain bound cert asynchronously. | |
| 76 ASYNC_SUCCESS = 1, | |
| 77 // Retrieval/generation request was cancelled before the cert generation | |
| 78 // completed. | |
| 79 ASYNC_CANCELLED = 2, | |
| 80 // Cert generation failed. | |
| 81 ASYNC_FAILURE_KEYGEN = 3, | |
| 82 ASYNC_FAILURE_CREATE_CERT = 4, | |
| 83 ASYNC_FAILURE_EXPORT_KEY = 5, | |
| 84 ASYNC_FAILURE_UNKNOWN = 6, | |
| 85 // GetDomainBoundCert was called with invalid arguments. | |
| 86 INVALID_ARGUMENT = 7, | |
| 87 // We don't support any of the cert types the server requested. | |
| 88 UNSUPPORTED_TYPE = 8, | |
| 89 // Server asked for a different type of certs while we were generating one. | |
| 90 TYPE_MISMATCH = 9, | |
| 91 // Couldn't start a worker to generate a cert. | |
| 92 WORKER_FAILURE = 10, | |
| 93 GET_CERT_RESULT_MAX | |
| 94 }; | |
| 95 | |
| 96 void RecordGetDomainBoundCertResult(GetCertResult result) { | |
| 97 UMA_HISTOGRAM_ENUMERATION("DomainBoundCerts.GetDomainBoundCertResult", result, | |
| 98 GET_CERT_RESULT_MAX); | |
| 99 } | |
| 100 | |
| 101 void RecordGetCertTime(base::TimeDelta request_time) { | |
| 102 UMA_HISTOGRAM_CUSTOM_TIMES("DomainBoundCerts.GetCertTime", | |
| 103 request_time, | |
| 104 base::TimeDelta::FromMilliseconds(1), | |
| 105 base::TimeDelta::FromMinutes(5), | |
| 106 50); | |
| 107 } | |
| 108 | |
| 109 // On success, returns a ServerBoundCert object and sets |*error| to OK. | |
| 110 // Otherwise, returns NULL, and |*error| will be set to a net error code. | |
| 111 // |serial_number| is passed in because base::RandInt cannot be called from an | |
| 112 // unjoined thread, due to relying on a non-leaked LazyInstance | |
| 113 scoped_ptr<ServerBoundCertStore::ServerBoundCert> GenerateCert( | |
| 114 const std::string& server_identifier, | |
| 115 SSLClientCertType type, | |
| 116 uint32 serial_number, | |
| 117 int* error) { | |
| 118 scoped_ptr<ServerBoundCertStore::ServerBoundCert> result; | |
| 119 | |
| 120 base::TimeTicks start = base::TimeTicks::Now(); | |
| 121 base::Time not_valid_before = base::Time::Now(); | |
| 122 base::Time not_valid_after = | |
| 123 not_valid_before + base::TimeDelta::FromDays(kValidityPeriodInDays); | |
| 124 std::string der_cert; | |
| 125 std::vector<uint8> private_key_info; | |
| 126 switch (type) { | |
| 127 case CLIENT_CERT_ECDSA_SIGN: { | |
| 128 scoped_ptr<crypto::ECPrivateKey> key(crypto::ECPrivateKey::Create()); | |
| 129 if (!key.get()) { | |
| 130 DLOG(ERROR) << "Unable to create key pair for client"; | |
| 131 *error = ERR_KEY_GENERATION_FAILED; | |
| 132 return result.Pass(); | |
| 133 } | |
| 134 if (!x509_util::CreateDomainBoundCertEC(key.get(), server_identifier, | |
| 135 serial_number, not_valid_before, | |
| 136 not_valid_after, &der_cert)) { | |
| 137 DLOG(ERROR) << "Unable to create x509 cert for client"; | |
| 138 *error = ERR_ORIGIN_BOUND_CERT_GENERATION_FAILED; | |
| 139 return result.Pass(); | |
| 140 } | |
| 141 | |
| 142 if (!key->ExportEncryptedPrivateKey(ServerBoundCertService::kEPKIPassword, | |
| 143 1, &private_key_info)) { | |
| 144 DLOG(ERROR) << "Unable to export private key"; | |
| 145 *error = ERR_PRIVATE_KEY_EXPORT_FAILED; | |
| 146 return result.Pass(); | |
| 147 } | |
| 148 break; | |
| 149 } | |
| 150 default: | |
| 151 NOTREACHED(); | |
| 152 *error = ERR_INVALID_ARGUMENT; | |
| 153 return result.Pass(); | |
| 154 } | |
| 155 | |
| 156 // TODO(rkn): Perhaps ExportPrivateKey should be changed to output a | |
| 157 // std::string* to prevent this copying. | |
| 158 std::string key_out(private_key_info.begin(), private_key_info.end()); | |
| 159 | |
| 160 result.reset(new ServerBoundCertStore::ServerBoundCert( | |
| 161 server_identifier, type, not_valid_before, not_valid_after, key_out, | |
| 162 der_cert)); | |
| 163 UMA_HISTOGRAM_CUSTOM_TIMES("DomainBoundCerts.GenerateCertTime", | |
| 164 base::TimeTicks::Now() - start, | |
| 165 base::TimeDelta::FromMilliseconds(1), | |
| 166 base::TimeDelta::FromMinutes(5), | |
| 167 50); | |
| 168 *error = OK; | |
| 169 return result.Pass(); | |
| 170 } | |
| 171 | |
| 172 } // namespace | |
| 173 | |
| 174 // Represents the output and result callback of a request. | |
| 175 class ServerBoundCertServiceRequest { | |
| 176 public: | |
| 177 ServerBoundCertServiceRequest(base::TimeTicks request_start, | |
| 178 const CompletionCallback& callback, | |
| 179 SSLClientCertType* type, | |
| 180 std::string* private_key, | |
| 181 std::string* cert) | |
| 182 : request_start_(request_start), | |
| 183 callback_(callback), | |
| 184 type_(type), | |
| 185 private_key_(private_key), | |
| 186 cert_(cert) { | |
| 187 } | |
| 188 | |
| 189 // Ensures that the result callback will never be made. | |
| 190 void Cancel() { | |
| 191 RecordGetDomainBoundCertResult(ASYNC_CANCELLED); | |
| 192 callback_.Reset(); | |
| 193 type_ = NULL; | |
| 194 private_key_ = NULL; | |
| 195 cert_ = NULL; | |
| 196 } | |
| 197 | |
| 198 // Copies the contents of |private_key| and |cert| to the caller's output | |
| 199 // arguments and calls the callback. | |
| 200 void Post(int error, | |
| 201 SSLClientCertType type, | |
| 202 const std::string& private_key, | |
| 203 const std::string& cert) { | |
| 204 switch (error) { | |
| 205 case OK: { | |
| 206 base::TimeDelta request_time = base::TimeTicks::Now() - request_start_; | |
| 207 UMA_HISTOGRAM_CUSTOM_TIMES("DomainBoundCerts.GetCertTimeAsync", | |
| 208 request_time, | |
| 209 base::TimeDelta::FromMilliseconds(1), | |
| 210 base::TimeDelta::FromMinutes(5), | |
| 211 50); | |
| 212 RecordGetCertTime(request_time); | |
| 213 RecordGetDomainBoundCertResult(ASYNC_SUCCESS); | |
| 214 break; | |
| 215 } | |
| 216 case ERR_KEY_GENERATION_FAILED: | |
| 217 RecordGetDomainBoundCertResult(ASYNC_FAILURE_KEYGEN); | |
| 218 break; | |
| 219 case ERR_ORIGIN_BOUND_CERT_GENERATION_FAILED: | |
| 220 RecordGetDomainBoundCertResult(ASYNC_FAILURE_CREATE_CERT); | |
| 221 break; | |
| 222 case ERR_PRIVATE_KEY_EXPORT_FAILED: | |
| 223 RecordGetDomainBoundCertResult(ASYNC_FAILURE_EXPORT_KEY); | |
| 224 break; | |
| 225 case ERR_INSUFFICIENT_RESOURCES: | |
| 226 RecordGetDomainBoundCertResult(WORKER_FAILURE); | |
| 227 break; | |
| 228 default: | |
| 229 RecordGetDomainBoundCertResult(ASYNC_FAILURE_UNKNOWN); | |
| 230 break; | |
| 231 } | |
| 232 if (!callback_.is_null()) { | |
| 233 *type_ = type; | |
| 234 *private_key_ = private_key; | |
| 235 *cert_ = cert; | |
| 236 callback_.Run(error); | |
| 237 } | |
| 238 delete this; | |
| 239 } | |
| 240 | |
| 241 bool canceled() const { return callback_.is_null(); } | |
| 242 | |
| 243 private: | |
| 244 base::TimeTicks request_start_; | |
| 245 CompletionCallback callback_; | |
| 246 SSLClientCertType* type_; | |
| 247 std::string* private_key_; | |
| 248 std::string* cert_; | |
| 249 }; | |
| 250 | |
| 251 // ServerBoundCertServiceWorker runs on a worker thread and takes care of the | |
| 252 // blocking process of performing key generation. Will take care of deleting | |
| 253 // itself once Start() is called. | |
| 254 class ServerBoundCertServiceWorker { | |
| 255 public: | |
| 256 typedef base::Callback<void( | |
| 257 const std::string&, | |
| 258 int, | |
| 259 scoped_ptr<ServerBoundCertStore::ServerBoundCert>)> WorkerDoneCallback; | |
| 260 | |
| 261 ServerBoundCertServiceWorker( | |
| 262 const std::string& server_identifier, | |
| 263 SSLClientCertType type, | |
| 264 const WorkerDoneCallback& callback) | |
| 265 : server_identifier_(server_identifier), | |
| 266 type_(type), | |
| 267 serial_number_(base::RandInt(0, std::numeric_limits<int>::max())), | |
| 268 origin_loop_(base::MessageLoopProxy::current()), | |
| 269 callback_(callback) { | |
| 270 } | |
| 271 | |
| 272 bool Start(const scoped_refptr<base::TaskRunner>& task_runner) { | |
| 273 DCHECK(origin_loop_->RunsTasksOnCurrentThread()); | |
| 274 | |
| 275 return task_runner->PostTask( | |
| 276 FROM_HERE, | |
| 277 base::Bind(&ServerBoundCertServiceWorker::Run, base::Owned(this))); | |
| 278 } | |
| 279 | |
| 280 private: | |
| 281 void Run() { | |
| 282 // Runs on a worker thread. | |
| 283 int error = ERR_FAILED; | |
| 284 scoped_ptr<ServerBoundCertStore::ServerBoundCert> cert = | |
| 285 GenerateCert(server_identifier_, type_, serial_number_, &error); | |
| 286 DVLOG(1) << "GenerateCert " << server_identifier_ << " " << type_ | |
| 287 << " returned " << error; | |
| 288 #if defined(USE_NSS) | |
| 289 // Detach the thread from NSPR. | |
| 290 // Calling NSS functions attaches the thread to NSPR, which stores | |
| 291 // the NSPR thread ID in thread-specific data. | |
| 292 // The threads in our thread pool terminate after we have called | |
| 293 // PR_Cleanup. Unless we detach them from NSPR, net_unittests gets | |
| 294 // segfaults on shutdown when the threads' thread-specific data | |
| 295 // destructors run. | |
| 296 PR_DetachThread(); | |
| 297 #endif | |
| 298 origin_loop_->PostTask(FROM_HERE, | |
| 299 base::Bind(callback_, server_identifier_, error, | |
| 300 base::Passed(&cert))); | |
| 301 } | |
| 302 | |
| 303 const std::string server_identifier_; | |
| 304 const SSLClientCertType type_; | |
| 305 // Note that serial_number_ must be initialized on a non-worker thread | |
| 306 // (see documentation for GenerateCert). | |
| 307 uint32 serial_number_; | |
| 308 scoped_refptr<base::SequencedTaskRunner> origin_loop_; | |
| 309 WorkerDoneCallback callback_; | |
| 310 | |
| 311 DISALLOW_COPY_AND_ASSIGN(ServerBoundCertServiceWorker); | |
| 312 }; | |
| 313 | |
| 314 // A ServerBoundCertServiceJob is a one-to-one counterpart of an | |
| 315 // ServerBoundCertServiceWorker. It lives only on the ServerBoundCertService's | |
| 316 // origin message loop. | |
| 317 class ServerBoundCertServiceJob { | |
| 318 public: | |
| 319 ServerBoundCertServiceJob(SSLClientCertType type) | |
| 320 : type_(type) { | |
| 321 } | |
| 322 | |
| 323 ~ServerBoundCertServiceJob() { | |
| 324 if (!requests_.empty()) | |
| 325 DeleteAllCanceled(); | |
| 326 } | |
| 327 | |
| 328 SSLClientCertType type() const { return type_; } | |
| 329 | |
| 330 void AddRequest(ServerBoundCertServiceRequest* request) { | |
| 331 requests_.push_back(request); | |
| 332 } | |
| 333 | |
| 334 void HandleResult(int error, | |
| 335 SSLClientCertType type, | |
| 336 const std::string& private_key, | |
| 337 const std::string& cert) { | |
| 338 PostAll(error, type, private_key, cert); | |
| 339 } | |
| 340 | |
| 341 private: | |
| 342 void PostAll(int error, | |
| 343 SSLClientCertType type, | |
| 344 const std::string& private_key, | |
| 345 const std::string& cert) { | |
| 346 std::vector<ServerBoundCertServiceRequest*> requests; | |
| 347 requests_.swap(requests); | |
| 348 | |
| 349 for (std::vector<ServerBoundCertServiceRequest*>::iterator | |
| 350 i = requests.begin(); i != requests.end(); i++) { | |
| 351 (*i)->Post(error, type, private_key, cert); | |
| 352 // Post() causes the ServerBoundCertServiceRequest to delete itself. | |
| 353 } | |
| 354 } | |
| 355 | |
| 356 void DeleteAllCanceled() { | |
| 357 for (std::vector<ServerBoundCertServiceRequest*>::iterator | |
| 358 i = requests_.begin(); i != requests_.end(); i++) { | |
| 359 if ((*i)->canceled()) { | |
| 360 delete *i; | |
| 361 } else { | |
| 362 LOG(DFATAL) << "ServerBoundCertServiceRequest leaked!"; | |
| 363 } | |
| 364 } | |
| 365 } | |
| 366 | |
| 367 std::vector<ServerBoundCertServiceRequest*> requests_; | |
| 368 SSLClientCertType type_; | |
| 369 }; | |
| 370 | |
| 371 // static | |
| 372 const char ServerBoundCertService::kEPKIPassword[] = ""; | |
| 373 | |
| 374 ServerBoundCertService::RequestHandle::RequestHandle() | |
| 375 : service_(NULL), | |
| 376 request_(NULL) {} | |
| 377 | |
| 378 ServerBoundCertService::RequestHandle::~RequestHandle() { | |
| 379 Cancel(); | |
| 380 } | |
| 381 | |
| 382 void ServerBoundCertService::RequestHandle::Cancel() { | |
| 383 if (request_) { | |
| 384 service_->CancelRequest(request_); | |
| 385 request_ = NULL; | |
| 386 callback_.Reset(); | |
| 387 } | |
| 388 } | |
| 389 | |
| 390 void ServerBoundCertService::RequestHandle::RequestStarted( | |
| 391 ServerBoundCertService* service, | |
| 392 ServerBoundCertServiceRequest* request, | |
| 393 const CompletionCallback& callback) { | |
| 394 DCHECK(request_ == NULL); | |
| 395 service_ = service; | |
| 396 request_ = request; | |
| 397 callback_ = callback; | |
| 398 } | |
| 399 | |
| 400 void ServerBoundCertService::RequestHandle::OnRequestComplete(int result) { | |
| 401 request_ = NULL; | |
| 402 // Running the callback might delete |this|, so we can't touch any of our | |
| 403 // members afterwards. Reset callback_ first. | |
| 404 base::ResetAndReturn(&callback_).Run(result); | |
| 405 } | |
| 406 | |
| 407 ServerBoundCertService::ServerBoundCertService( | |
| 408 ServerBoundCertStore* server_bound_cert_store, | |
| 409 const scoped_refptr<base::TaskRunner>& task_runner) | |
| 410 : server_bound_cert_store_(server_bound_cert_store), | |
| 411 task_runner_(task_runner), | |
| 412 ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)), | |
| 413 requests_(0), | |
| 414 cert_store_hits_(0), | |
| 415 inflight_joins_(0) { | |
| 416 base::Time start = base::Time::Now(); | |
| 417 base::Time end = start + base::TimeDelta::FromDays( | |
| 418 kValidityPeriodInDays + kSystemTimeValidityBufferInDays); | |
| 419 is_system_time_valid_ = x509_util::IsSupportedValidityRange(start, end); | |
| 420 } | |
| 421 | |
| 422 ServerBoundCertService::~ServerBoundCertService() { | |
| 423 STLDeleteValues(&inflight_); | |
| 424 } | |
| 425 | |
| 426 //static | |
| 427 std::string ServerBoundCertService::GetDomainForHost(const std::string& host) { | |
| 428 std::string domain = | |
| 429 RegistryControlledDomainService::GetDomainAndRegistry(host); | |
| 430 if (domain.empty()) | |
| 431 return host; | |
| 432 return domain; | |
| 433 } | |
| 434 | |
| 435 int ServerBoundCertService::GetDomainBoundCert( | |
| 436 const std::string& origin, | |
| 437 const std::vector<uint8>& requested_types, | |
| 438 SSLClientCertType* type, | |
| 439 std::string* private_key, | |
| 440 std::string* cert, | |
| 441 const CompletionCallback& callback, | |
| 442 RequestHandle* out_req) { | |
| 443 DVLOG(1) << __FUNCTION__ << " " << origin << " " | |
| 444 << (requested_types.empty() ? -1 : requested_types[0]) | |
| 445 << (requested_types.size() > 1 ? "..." : ""); | |
| 446 DCHECK(CalledOnValidThread()); | |
| 447 base::TimeTicks request_start = base::TimeTicks::Now(); | |
| 448 | |
| 449 if (callback.is_null() || !private_key || !cert || origin.empty() || | |
| 450 requested_types.empty()) { | |
| 451 RecordGetDomainBoundCertResult(INVALID_ARGUMENT); | |
| 452 return ERR_INVALID_ARGUMENT; | |
| 453 } | |
| 454 | |
| 455 std::string domain = GetDomainForHost(GURL(origin).host()); | |
| 456 if (domain.empty()) { | |
| 457 RecordGetDomainBoundCertResult(INVALID_ARGUMENT); | |
| 458 return ERR_INVALID_ARGUMENT; | |
| 459 } | |
| 460 | |
| 461 SSLClientCertType preferred_type = CLIENT_CERT_INVALID_TYPE; | |
| 462 for (size_t i = 0; i < requested_types.size(); ++i) { | |
| 463 if (IsSupportedCertType(requested_types[i])) { | |
| 464 preferred_type = static_cast<SSLClientCertType>(requested_types[i]); | |
| 465 break; | |
| 466 } | |
| 467 } | |
| 468 if (preferred_type == CLIENT_CERT_INVALID_TYPE) { | |
| 469 RecordGetDomainBoundCertResult(UNSUPPORTED_TYPE); | |
| 470 // None of the requested types are supported. | |
| 471 return ERR_CLIENT_AUTH_CERT_TYPE_UNSUPPORTED; | |
| 472 } | |
| 473 | |
| 474 requests_++; | |
| 475 | |
| 476 // See if an identical request is currently in flight. | |
| 477 ServerBoundCertServiceJob* job = NULL; | |
| 478 std::map<std::string, ServerBoundCertServiceJob*>::const_iterator j; | |
| 479 j = inflight_.find(domain); | |
| 480 if (j != inflight_.end()) { | |
| 481 // An identical request is in flight already. We'll just attach our | |
| 482 // callback. | |
| 483 job = j->second; | |
| 484 // Check that the job is for an acceptable type of cert. | |
| 485 if (std::find(requested_types.begin(), requested_types.end(), job->type()) | |
| 486 == requested_types.end()) { | |
| 487 DVLOG(1) << "Found inflight job of wrong type " << job->type() | |
| 488 << " for " << domain; | |
| 489 // If we get here, the server is asking for different types of certs in | |
| 490 // short succession. This probably means the server is broken or | |
| 491 // misconfigured. Since we only store one type of cert per domain, we | |
| 492 // are unable to handle this well. Just return an error and let the first | |
| 493 // job finish. | |
| 494 RecordGetDomainBoundCertResult(TYPE_MISMATCH); | |
| 495 return ERR_ORIGIN_BOUND_CERT_GENERATION_TYPE_MISMATCH; | |
| 496 } | |
| 497 inflight_joins_++; | |
| 498 | |
| 499 ServerBoundCertServiceRequest* request = new ServerBoundCertServiceRequest( | |
| 500 request_start, | |
| 501 base::Bind(&RequestHandle::OnRequestComplete, | |
| 502 base::Unretained(out_req)), | |
| 503 type, private_key, cert); | |
| 504 job->AddRequest(request); | |
| 505 out_req->RequestStarted(this, request, callback); | |
| 506 return ERR_IO_PENDING; | |
| 507 } | |
| 508 | |
| 509 // Check if a domain bound cert of an acceptable type already exists for this | |
| 510 // domain, and that it has not expired. | |
| 511 base::Time expiration_time; | |
| 512 if (server_bound_cert_store_->GetServerBoundCert( | |
| 513 domain, | |
| 514 type, | |
| 515 &expiration_time, | |
| 516 private_key, | |
| 517 cert, | |
| 518 base::Bind(&ServerBoundCertService::GotServerBoundCert, | |
| 519 weak_ptr_factory_.GetWeakPtr()))) { | |
| 520 if (*type != CLIENT_CERT_INVALID_TYPE) { | |
| 521 // Sync lookup found a cert. | |
| 522 if (CertIsValid(domain, *type, expiration_time)) { | |
| 523 DVLOG(1) << "Cert store had valid cert for " << domain | |
| 524 << " of type " << *type; | |
| 525 cert_store_hits_++; | |
| 526 RecordGetDomainBoundCertResult(SYNC_SUCCESS); | |
| 527 base::TimeDelta request_time = base::TimeTicks::Now() - request_start; | |
| 528 UMA_HISTOGRAM_TIMES("DomainBoundCerts.GetCertTimeSync", request_time); | |
| 529 RecordGetCertTime(request_time); | |
| 530 return OK; | |
| 531 } | |
| 532 } | |
| 533 | |
| 534 // Sync lookup did not find a cert, or it found an expired one. Start | |
| 535 // generating a new one. | |
| 536 ServerBoundCertServiceWorker* worker = new ServerBoundCertServiceWorker( | |
| 537 domain, | |
| 538 preferred_type, | |
| 539 base::Bind(&ServerBoundCertService::GeneratedServerBoundCert, | |
| 540 weak_ptr_factory_.GetWeakPtr())); | |
| 541 if (!worker->Start(task_runner_)) { | |
| 542 delete worker; | |
| 543 // TODO(rkn): Log to the NetLog. | |
| 544 LOG(ERROR) << "ServerBoundCertServiceWorker couldn't be started."; | |
| 545 RecordGetDomainBoundCertResult(WORKER_FAILURE); | |
| 546 return ERR_INSUFFICIENT_RESOURCES; | |
| 547 } | |
| 548 } | |
| 549 | |
| 550 // We are either waiting for async DB lookup, or waiting for cert generation. | |
| 551 // Create a job & request to track it. | |
| 552 job = new ServerBoundCertServiceJob(preferred_type); | |
| 553 inflight_[domain] = job; | |
| 554 | |
| 555 ServerBoundCertServiceRequest* request = new ServerBoundCertServiceRequest( | |
| 556 request_start, | |
| 557 base::Bind(&RequestHandle::OnRequestComplete, base::Unretained(out_req)), | |
| 558 type, private_key, cert); | |
| 559 job->AddRequest(request); | |
| 560 out_req->RequestStarted(this, request, callback); | |
| 561 return ERR_IO_PENDING; | |
| 562 } | |
| 563 | |
| 564 void ServerBoundCertService::GotServerBoundCert( | |
| 565 const std::string& server_identifier, | |
| 566 SSLClientCertType type, | |
| 567 base::Time expiration_time, | |
| 568 const std::string& key, | |
| 569 const std::string& cert) { | |
| 570 DCHECK(CalledOnValidThread()); | |
| 571 | |
| 572 std::map<std::string, ServerBoundCertServiceJob*>::iterator j; | |
| 573 j = inflight_.find(server_identifier); | |
| 574 if (j == inflight_.end()) { | |
| 575 NOTREACHED(); | |
| 576 return; | |
| 577 } | |
| 578 ServerBoundCertServiceJob* job = j->second; | |
| 579 | |
| 580 if (type != CLIENT_CERT_INVALID_TYPE) { | |
| 581 // Async DB lookup found a cert. | |
| 582 if (CertIsValid(server_identifier, type, expiration_time)) { | |
| 583 DVLOG(1) << "Cert store had valid cert for " << server_identifier | |
| 584 << " of type " << type; | |
| 585 cert_store_hits_++; | |
| 586 // ServerBoundCertServiceRequest::Post will do the histograms and stuff. | |
| 587 HandleResult(OK, server_identifier, type, key, cert); | |
| 588 return; | |
| 589 } | |
| 590 } | |
| 591 | |
| 592 // Async lookup did not find a cert, or it found an expired one. Start | |
| 593 // generating a new one. | |
| 594 ServerBoundCertServiceWorker* worker = new ServerBoundCertServiceWorker( | |
| 595 server_identifier, | |
| 596 job->type(), | |
| 597 base::Bind(&ServerBoundCertService::GeneratedServerBoundCert, | |
| 598 weak_ptr_factory_.GetWeakPtr())); | |
| 599 if (!worker->Start(task_runner_)) { | |
| 600 delete worker; | |
| 601 // TODO(rkn): Log to the NetLog. | |
| 602 LOG(ERROR) << "ServerBoundCertServiceWorker couldn't be started."; | |
| 603 HandleResult(ERR_INSUFFICIENT_RESOURCES, server_identifier, | |
| 604 CLIENT_CERT_INVALID_TYPE, "", ""); | |
| 605 return; | |
| 606 } | |
| 607 } | |
| 608 | |
| 609 ServerBoundCertStore* ServerBoundCertService::GetCertStore() { | |
| 610 return server_bound_cert_store_.get(); | |
| 611 } | |
| 612 | |
| 613 void ServerBoundCertService::CancelRequest(ServerBoundCertServiceRequest* req) { | |
| 614 DCHECK(CalledOnValidThread()); | |
| 615 req->Cancel(); | |
| 616 } | |
| 617 | |
| 618 void ServerBoundCertService::GeneratedServerBoundCert( | |
| 619 const std::string& server_identifier, | |
| 620 int error, | |
| 621 scoped_ptr<ServerBoundCertStore::ServerBoundCert> cert) { | |
| 622 DCHECK(CalledOnValidThread()); | |
| 623 | |
| 624 if (error == OK) { | |
| 625 // TODO(mattm): we should just Pass() the cert object to | |
| 626 // SetServerBoundCert(). | |
| 627 server_bound_cert_store_->SetServerBoundCert( | |
| 628 cert->server_identifier(), cert->type(), cert->creation_time(), | |
| 629 cert->expiration_time(), cert->private_key(), cert->cert()); | |
| 630 | |
| 631 HandleResult(error, server_identifier, cert->type(), cert->private_key(), | |
| 632 cert->cert()); | |
| 633 } else { | |
| 634 HandleResult(error, server_identifier, CLIENT_CERT_INVALID_TYPE, "", ""); | |
| 635 } | |
| 636 } | |
| 637 | |
| 638 void ServerBoundCertService::HandleResult( | |
| 639 int error, | |
| 640 const std::string& server_identifier, | |
| 641 SSLClientCertType type, | |
| 642 const std::string& private_key, | |
| 643 const std::string& cert) { | |
| 644 DCHECK(CalledOnValidThread()); | |
| 645 | |
| 646 std::map<std::string, ServerBoundCertServiceJob*>::iterator j; | |
| 647 j = inflight_.find(server_identifier); | |
| 648 if (j == inflight_.end()) { | |
| 649 NOTREACHED(); | |
| 650 return; | |
| 651 } | |
| 652 ServerBoundCertServiceJob* job = j->second; | |
| 653 inflight_.erase(j); | |
| 654 | |
| 655 job->HandleResult(error, type, private_key, cert); | |
| 656 delete job; | |
| 657 } | |
| 658 | |
| 659 int ServerBoundCertService::cert_count() { | |
| 660 return server_bound_cert_store_->GetCertCount(); | |
| 661 } | |
| 662 | |
| 663 } // namespace net | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 12680003:
net: split net/ssl out of net/base (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src