nss_util.cc revision bb1529ce867d8845a77ec7cdf3e3003ef1771a40
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "crypto/nss_util.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "crypto/nss_util_internal.h" 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <nss.h> 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <pk11pub.h> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <plarena.h> 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <prerror.h> 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <prinit.h> 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <prtime.h> 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <secmod.h> 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_LINUX) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <linux/nfs_fs.h> 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <sys/vfs.h> 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_OPENBSD) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <sys/mount.h> 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <sys/param.h> 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/debug/alias.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/environment.h" 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/file_util.h" 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/files/file_path.h" 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/files/scoped_temp_dir.h" 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/lazy_instance.h" 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/metrics/histogram.h" 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/native_library.h" 36868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/stringprintf.h" 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/threading/thread_restrictions.h" 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "build/build_config.h" 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// USE_NSS means we use NSS for everything crypto-related. If USE_NSS is not 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// defined, such as on Mac and Windows, we use NSS for SSL only -- we don't 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// use NSS for crypto or certificate verification, and we don't use the NSS 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// certificate and key databases. 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_NSS) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/synchronization/lock.h" 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "crypto/crypto_module_blocking_password_delegate.h" 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(USE_NSS) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace crypto { 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kNSSDatabaseName[] = "Real NSS database"; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Constants for loading the Chrome OS TPM-backed PKCS #11 library. 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kChapsModuleName[] = "Chaps"; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char kChapsPath[] = "libchaps.so"; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Fake certificate authority database used for testing. 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static const base::FilePath::CharType kReadOnlyCertDB[] = 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FILE_PATH_LITERAL("/etc/fake_root_ca/nssdb"); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(OS_CHROMEOS) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string GetNSSErrorMessage() { 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string result; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (PR_GetErrorTextLength()) { 68c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) scoped_ptr<char[]> error_text(new char[PR_GetErrorTextLength() + 1]); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PRInt32 copied = PR_GetErrorText(error_text.get()); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result = std::string(error_text.get(), copied); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) result = base::StringPrintf("NSS error code: %d", PR_GetError()); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_NSS) 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)base::FilePath GetDefaultConfigDirectory() { 792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath dir = file_util::GetHomeDir(); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (dir.empty()) { 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Failed to get home directory."; 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return dir; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dir = dir.AppendASCII(".pki").AppendASCII("nssdb"); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!file_util::CreateDirectory(dir)) { 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Failed to create " << dir.value() << " directory."; 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dir.clear(); 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return dir; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// On non-chromeos platforms, return the default config directory. 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// On chromeos, return a read-only directory with fake root CA certs for testing 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (which will not exist on non-testing images). These root CA certs are used 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// by the local Google Accounts server mock we use when testing our login code. 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// If this directory is not present, NSS_Init() will fail. It is up to the 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// caller to failover to NSS_NoDB_Init() at that point. 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)base::FilePath GetInitialConfigDirectory() { 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 1002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return base::FilePath(kReadOnlyCertDB); 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetDefaultConfigDirectory(); 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(OS_CHROMEOS) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This callback for NSS forwards all requests to a caller-specified 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// CryptoModuleBlockingPasswordDelegate object. 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)char* PKCS11PasswordFunc(PK11SlotInfo* slot, PRBool retry, void* arg) { 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we get asked for a password for the TPM, then return the 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // well known password we use, as long as the TPM slot has been 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // initialized. 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (crypto::IsTPMTokenReady()) { 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string token_name; 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string user_pin; 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) crypto::GetTPMTokenInfo(&token_name, &user_pin); 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (PK11_GetTokenName(slot) == token_name) 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PORT_Strdup(user_pin.c_str()); 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) crypto::CryptoModuleBlockingPasswordDelegate* delegate = 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reinterpret_cast<crypto::CryptoModuleBlockingPasswordDelegate*>(arg); 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate) { 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool cancelled = false; 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string password = delegate->RequestPassword(PK11_GetTokenName(slot), 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) retry != PR_FALSE, 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &cancelled); 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (cancelled) 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char* result = PORT_Strdup(password.c_str()); 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) password.replace(0, password.size(), password.size(), 0); 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DLOG(ERROR) << "PK11 password requested with NULL arg"; 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// NSS creates a local cache of the sqlite database if it detects that the 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// filesystem the database is on is much slower than the local disk. The 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// detection doesn't work with the latest versions of sqlite, such as 3.6.22 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (NSS bug https://bugzilla.mozilla.org/show_bug.cgi?id=578561). So we set 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the NSS environment variable NSS_SDB_USE_CACHE to "yes" to override NSS's 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// detection when database_dir is on NFS. See http://crbug.com/48585. 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TODO(wtc): port this function to other USE_NSS platforms. It is defined 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// only for OS_LINUX and OS_OPENBSD simply because the statfs structure 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// is OS-specific. 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Because this function sets an environment variable it must be run before we 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// go multi-threaded. 1512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void UseLocalCacheOfNSSDatabaseIfNFS(const base::FilePath& database_dir) { 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_LINUX) || defined(OS_OPENBSD) 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct statfs buf; 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (statfs(database_dir.value().c_str(), &buf) == 0) { 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_LINUX) 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (buf.f_type == NFS_SUPER_MAGIC) { 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_OPENBSD) 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (strcmp(buf.f_fstypename, MOUNT_NFS) == 0) { 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<base::Environment> env(base::Environment::Create()); 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* use_cache_env_var = "NSS_SDB_USE_CACHE"; 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!env->HasVar(use_cache_env_var)) 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) env->SetVar(use_cache_env_var, "yes"); 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(OS_LINUX) || defined(OS_OPENBSD) 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PK11SlotInfo* FindSlotWithTokenName(const std::string& token_name) { 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) AutoSECMODListReadLock auto_lock; 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMODModuleList* head = SECMOD_GetDefaultModuleList(); 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (SECMODModuleList* item = head; item != NULL; item = item->next) { 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int slot_count = item->module->loaded ? item->module->slotCount : 0; 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < slot_count; i++) { 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11SlotInfo* slot = item->module->slots[i]; 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (PK11_GetTokenName(slot) == token_name) 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PK11_ReferenceSlot(slot); 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(USE_NSS) 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A singleton to initialize/deinitialize NSPR. 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Separate from the NSS singleton because we initialize NSPR on the UI thread. 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Now that we're leaking the singleton, we could merge back with the NSS 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// singleton. 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class NSPRInitSingleton { 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend struct base::DefaultLazyInstanceTraits<NSPRInitSingleton>; 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NSPRInitSingleton() { 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0); 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NOTE(willchan): We don't actually execute this code since we leak NSS to 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // prevent non-joinable threads from using NSS after it's already been shut 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // down. 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~NSPRInitSingleton() { 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PL_ArenaFinish(); 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PRStatus prstatus = PR_Cleanup(); 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (prstatus != PR_SUCCESS) 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "PR_Cleanup failed; was NSPR initialized on wrong thread?"; 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::LazyInstance<NSPRInitSingleton>::Leaky 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_nspr_singleton = LAZY_INSTANCE_INITIALIZER; 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This is a LazyInstance so that it will be deleted automatically when the 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// unittest exits. NSSInitSingleton is a LeakySingleton, so it would not be 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// deleted if it were a regular member. 2142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)base::LazyInstance<base::ScopedTempDir> g_test_nss_db_dir = 2152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LAZY_INSTANCE_INITIALIZER; 2162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Force a crash with error info on NSS_NoDB_Init failure. 2182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void CrashOnNSSInitFailure() { 2192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int nss_error = PR_GetError(); 2202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int os_error = PR_GetOSError(); 2212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::debug::Alias(&nss_error); 2222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::debug::Alias(&os_error); 2232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LOG(ERROR) << "Error initializing NSS without a persistent database: " 2242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) << GetNSSErrorMessage(); 2252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LOG(FATAL) << "nss_error=" << nss_error << ", os_error=" << os_error; 2262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class NSSInitSingleton { 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void OpenPersistentNSSDB() { 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!chromeos_user_logged_in_) { 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // GetDefaultConfigDirectory causes us to do blocking IO on UI thread. 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Temporarily allow it until we fix http://crbug.com/70119 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::ThreadRestrictions::ScopedAllowIO allow_io; 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chromeos_user_logged_in_ = true; 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This creates another DB slot in NSS that is read/write, unlike 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the fake root CA cert DB and the "default" crypto key 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // provider, which are still read-only (because we initialized 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NSS before we had a cryptohome mounted). 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) software_slot_ = OpenUserDB(GetDefaultConfigDirectory(), 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kNSSDatabaseName); 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void EnableTPMTokenForNSS() { 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) tpm_token_enabled_for_nss_ = true; 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool InitializeTPMToken(const std::string& token_name, 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& user_pin) { 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If EnableTPMTokenForNSS hasn't been called, return false. 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!tpm_token_enabled_for_nss_) 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If everything is already initialized, then return true. 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (chaps_module_ && tpm_slot_) 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) tpm_token_name_ = token_name; 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) tpm_user_pin_ = user_pin; 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This tries to load the Chaps module so NSS can talk to the hardware 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TPM. 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!chaps_module_) { 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chaps_module_ = LoadModule( 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kChapsModuleName, 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kChapsPath, 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // For more details on these parameters, see: 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // https://developer.mozilla.org/en/PKCS11_Module_Specs 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // slotFlags=[PublicCerts] -- Certificates and public keys can be 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // read from this slot without requiring a call to C_Login. 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // askpw=only -- Only authenticate to the token when necessary. 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "NSS=\"slotParams=(0={slotFlags=[PublicCerts] askpw=only})\""); 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (chaps_module_){ 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If this gets set, then we'll use the TPM for certs with 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // private keys, otherwise we'll fall back to the software 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // implementation. 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) tpm_slot_ = GetTPMSlot(); 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return tpm_slot_ != NULL; 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void GetTPMTokenInfo(std::string* token_name, std::string* user_pin) { 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!tpm_token_enabled_for_nss_) { 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "GetTPMTokenInfo called before TPM Token is ready."; 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (token_name) 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *token_name = tpm_token_name_; 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (user_pin) 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *user_pin = tpm_user_pin_; 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool IsTPMTokenReady() { 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return tpm_slot_ != NULL; 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11SlotInfo* GetTPMSlot() { 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string token_name; 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetTPMTokenInfo(&token_name, NULL); 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return FindSlotWithTokenName(token_name); 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(OS_CHROMEOS) 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool OpenTestNSSDB() { 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (test_slot_) 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!g_test_nss_db_dir.Get().CreateUniqueTempDir()) 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) test_slot_ = OpenUserDB(g_test_nss_db_dir.Get().path(), "Test DB"); 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return !!test_slot_; 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CloseTestNSSDB() { 321eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (!test_slot_) 322eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch return; 323eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch SECStatus status = SECMOD_CloseUserDB(test_slot_); 324eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (status != SECSuccess) 325eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch PLOG(ERROR) << "SECMOD_CloseUserDB failed: " << PORT_GetError(); 326eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch PK11_FreeSlot(test_slot_); 327eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch test_slot_ = NULL; 328eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch ignore_result(g_test_nss_db_dir.Get().Delete()); 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11SlotInfo* GetPublicNSSKeySlot() { 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (test_slot_) 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PK11_ReferenceSlot(test_slot_); 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (software_slot_) 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PK11_ReferenceSlot(software_slot_); 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PK11_GetInternalKeySlot(); 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11SlotInfo* GetPrivateNSSKeySlot() { 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (test_slot_) 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PK11_ReferenceSlot(test_slot_); 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (tpm_token_enabled_for_nss_) { 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (IsTPMTokenReady()) { 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PK11_ReferenceSlot(tpm_slot_); 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we were supposed to get the hardware token, but were 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // unable to, return NULL rather than fall back to sofware. 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we weren't supposed to enable the TPM for NSS, then return 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the software slot. 3565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (software_slot_) 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PK11_ReferenceSlot(software_slot_); 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PK11_GetInternalKeySlot(); 3595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_NSS) 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Lock* write_lock() { 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return &write_lock_; 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(USE_NSS) 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This method is used to force NSS to be initialized without a DB. 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Call this method before NSSInitSingleton() is constructed. 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static void ForceNoDBInit() { 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) force_nodb_init_ = true; 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend struct base::DefaultLazyInstanceTraits<NSSInitSingleton>; 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NSSInitSingleton() 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : tpm_token_enabled_for_nss_(false), 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chaps_module_(NULL), 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) software_slot_(NULL), 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) test_slot_(NULL), 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) tpm_slot_(NULL), 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) root_(NULL), 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chromeos_user_logged_in_(false) { 3842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::TimeTicks start_time = base::TimeTicks::Now(); 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnsureNSPRInit(); 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 387bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch // We *must* have NSS >= 3.14.3. 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) COMPILE_ASSERT( 389bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch (NSS_VMAJOR == 3 && NSS_VMINOR == 14 && NSS_VPATCH >= 3) || 390bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch (NSS_VMAJOR == 3 && NSS_VMINOR > 14) || 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (NSS_VMAJOR > 3), 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) nss_version_check_failed); 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Also check the run-time NSS version. 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NSS_VersionCheck is a >= check, not strict equality. 395bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch if (!NSS_VersionCheck("3.14.3")) { 396bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch LOG(FATAL) << "NSS_VersionCheck(\"3.14.3\") failed. NSS >= 3.14.3 is " 397bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch "required. Please upgrade to the latest NSS, and if you " 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "still get this error, contact your distribution " 3995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "maintainer."; 4005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECStatus status = SECFailure; 4035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool nodb_init = force_nodb_init_; 4045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !defined(USE_NSS) 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Use the system certificate store, so initialize NSS without database. 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) nodb_init = true; 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (nodb_init) { 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) status = NSS_NoDB_Init(NULL); 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (status != SECSuccess) { 4132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CrashOnNSSInitFailure(); 4142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_IOS) 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) root_ = InitDefaultRootCerts(); 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(OS_IOS) 4195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_NSS) 4212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath database_dir = GetInitialConfigDirectory(); 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!database_dir.empty()) { 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This duplicates the work which should have been done in 4245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // EarlySetupForNSSInit. However, this function is idempotent so 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // there's no harm done. 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UseLocalCacheOfNSSDatabaseIfNFS(database_dir); 4275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Initialize with a persistent database (likely, ~/.pki/nssdb). 4295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Use "sql:" which can be shared by multiple processes safely. 4305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string nss_config_dir = 4312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::StringPrintf("sql:%s", database_dir.value().c_str()); 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) status = NSS_Init(nss_config_dir.c_str()); 4345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 4355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) status = NSS_InitReadWrite(nss_config_dir.c_str()); 4365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (status != SECSuccess) { 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Error initializing NSS with a persistent " 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "database (" << nss_config_dir 4405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << "): " << GetNSSErrorMessage(); 4415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (status != SECSuccess) { 4445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VLOG(1) << "Initializing NSS without a persistent database."; 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) status = NSS_NoDB_Init(NULL); 4465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (status != SECSuccess) { 4472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CrashOnNSSInitFailure(); 4485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 4495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11_SetPasswordFunc(PKCS11PasswordFunc); 4535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we haven't initialized the password for the NSS databases, 4555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // initialize an empty-string password so that we don't need to 4565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // log in. 4575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11SlotInfo* slot = PK11_GetInternalKeySlot(); 4585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (slot) { 4595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // PK11_InitPin may write to the keyDB, but no other thread can use NSS 4605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // yet, so we don't need to lock. 4615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (PK11_NeedUserInit(slot)) 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11_InitPin(slot, NULL, NULL); 4635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11_FreeSlot(slot); 4645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) root_ = InitDefaultRootCerts(); 4675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(USE_NSS) 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Disable MD5 certificate signatures. (They are disabled by default in 4712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // NSS 3.14.) 4722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NSS_SetAlgorithmPolicy(SEC_OID_MD5, 0, NSS_USE_ALG_IN_CERT_SIGNATURE); 4732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NSS_SetAlgorithmPolicy(SEC_OID_PKCS1_MD5_WITH_RSA_ENCRYPTION, 4742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 0, NSS_USE_ALG_IN_CERT_SIGNATURE); 4752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The UMA bit is conditionally set for this histogram in 4772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // chrome/common/startup_metric_utils.cc . 4782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) HISTOGRAM_CUSTOM_TIMES("Startup.SlowStartupNSSInit", 4792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::TimeTicks::Now() - start_time, 4802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::TimeDelta::FromMilliseconds(10), 4812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::TimeDelta::FromHours(1), 4822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 50); 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NOTE(willchan): We don't actually execute this code since we leak NSS to 4865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // prevent non-joinable threads from using NSS after it's already been shut 4875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // down. 4885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~NSSInitSingleton() { 4895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (tpm_slot_) { 4905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11_FreeSlot(tpm_slot_); 4915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) tpm_slot_ = NULL; 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (software_slot_) { 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMOD_CloseUserDB(software_slot_); 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11_FreeSlot(software_slot_); 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) software_slot_ = NULL; 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CloseTestNSSDB(); 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (root_) { 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMOD_UnloadUserModule(root_); 5015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMOD_DestroyModule(root_); 5025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) root_ = NULL; 5035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (chaps_module_) { 5055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMOD_UnloadUserModule(chaps_module_); 5065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMOD_DestroyModule(chaps_module_); 5075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) chaps_module_ = NULL; 5085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECStatus status = NSS_Shutdown(); 5115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (status != SECSuccess) { 5125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We VLOG(1) because this failure is relatively harmless (leaking, but 5135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // we're shutting down anyway). 5145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VLOG(1) << "NSS_Shutdown failed; see http://crbug.com/4609"; 5155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_NSS) || defined(OS_IOS) 5195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Load nss's built-in root certs. 5205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMODModule* InitDefaultRootCerts() { 5215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMODModule* root = LoadModule("Root Certs", "libnssckbi.so", NULL); 5225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (root) 5235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return root; 5245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Aw, snap. Can't find/load root cert shared library. 5265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This will make it hard to talk to anybody via https. 5275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 5285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 5295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Load the given module for this NSS session. 5325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMODModule* LoadModule(const char* name, 5335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* library_path, 5345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* params) { 5352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::string modparams = base::StringPrintf( 5365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "name=\"%s\" library=\"%s\" %s", 5375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) name, library_path, params ? params : ""); 5385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Shouldn't need to const_cast here, but SECMOD doesn't properly 5405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // declare input string arguments as const. Bug 5415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // https://bugzilla.mozilla.org/show_bug.cgi?id=642546 was filed 5425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // on NSS codebase to address this. 5435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMODModule* module = SECMOD_LoadUserModule( 5445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const_cast<char*>(modparams.c_str()), NULL, PR_FALSE); 5455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!module) { 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Error loading " << name << " module into NSS: " 5475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << GetNSSErrorMessage(); 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 5495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return module; 5515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static PK11SlotInfo* OpenUserDB(const base::FilePath& path, 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* description) { 5565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string modspec = 5572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::StringPrintf("configDir='sql:%s' tokenDescription='%s'", 5582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) path.value().c_str(), description); 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11SlotInfo* db_slot = SECMOD_OpenUserDB(modspec.c_str()); 5605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (db_slot) { 5615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (PK11_NeedUserInit(db_slot)) 5625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11_InitPin(db_slot, NULL, NULL); 5635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else { 5655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Error opening persistent database (" << modspec 5665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << "): " << GetNSSErrorMessage(); 5675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return db_slot; 5695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If this is set to true NSS is forced to be initialized without a DB. 5725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static bool force_nodb_init_; 5735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool tpm_token_enabled_for_nss_; 5755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string tpm_token_name_; 5765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string tpm_user_pin_; 5775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMODModule* chaps_module_; 5785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11SlotInfo* software_slot_; 5795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11SlotInfo* test_slot_; 5805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PK11SlotInfo* tpm_slot_; 5815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMODModule* root_; 5825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool chromeos_user_logged_in_; 5835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_NSS) 5845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(davidben): When https://bugzilla.mozilla.org/show_bug.cgi?id=564011 5855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // is fixed, we will no longer need the lock. 5865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Lock write_lock_; 5875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(USE_NSS) 5885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 5895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 5915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NSSInitSingleton::force_nodb_init_ = false; 5925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::LazyInstance<NSSInitSingleton>::Leaky 5945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_nss_singleton = LAZY_INSTANCE_INITIALIZER; 5955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 5965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_NSS) 5985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void EarlySetupForNSSInit() { 5992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath database_dir = GetInitialConfigDirectory(); 6005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!database_dir.empty()) 6015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UseLocalCacheOfNSSDatabaseIfNFS(database_dir); 6025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 6045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void EnsureNSPRInit() { 6065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_nspr_singleton.Get(); 6075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void InitNSSSafely() { 6102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We might fork, but we haven't loaded any security modules. 6112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DisableNSSForkCheck(); 6122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If we're sandboxed, we shouldn't be able to open user security modules, 6132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // but it's more correct to tell NSS to not even try. 6142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Loading user security modules would have security implications. 6152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ForceNSSNoDBInit(); 6162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Initialize NSS. 6172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) EnsureNSSInit(); 6182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void EnsureNSSInit() { 6215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Initializing SSL causes us to do blocking IO. 6225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Temporarily allow it until we fix 6235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // http://code.google.com/p/chromium/issues/detail?id=59847 6245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::ThreadRestrictions::ScopedAllowIO allow_io; 6255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_nss_singleton.Get(); 6265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ForceNSSNoDBInit() { 6295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NSSInitSingleton::ForceNoDBInit(); 6305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void DisableNSSForkCheck() { 6335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<base::Environment> env(base::Environment::Create()); 6345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) env->SetVar("NSS_STRICT_NOFORK", "DISABLED"); 6355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void LoadNSSLibraries() { 6385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Some NSS libraries are linked dynamically so load them here. 6395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_NSS) 6405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Try to search for multiple directories to load the libraries. 6412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::vector<base::FilePath> paths; 6425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Use relative path to Search PATH for the library files. 6442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) paths.push_back(base::FilePath()); 6455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // For Debian derivatives NSS libraries are located here. 6472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) paths.push_back(base::FilePath("/usr/lib/nss")); 6485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 649a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // Ubuntu 11.10 (Oneiric) and Debian Wheezy place the libraries here. 6505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(ARCH_CPU_X86_64) 6512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) paths.push_back(base::FilePath("/usr/lib/x86_64-linux-gnu/nss")); 6525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(ARCH_CPU_X86) 6532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) paths.push_back(base::FilePath("/usr/lib/i386-linux-gnu/nss")); 6545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(ARCH_CPU_ARMEL) 6552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) paths.push_back(base::FilePath("/usr/lib/arm-linux-gnueabi/nss")); 656a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#elif defined(ARCH_CPU_MIPSEL) 657a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) paths.push_back(base::FilePath("/usr/lib/mipsel-linux-gnu/nss")); 6585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 6595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // A list of library files to load. 6615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<std::string> libs; 6625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) libs.push_back("libsoftokn3.so"); 6635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) libs.push_back("libfreebl3.so"); 6645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // For each combination of library file and path, check for existence and 6665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // then load. 6675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t loaded = 0; 6685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < libs.size(); ++i) { 6695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t j = 0; j < paths.size(); ++j) { 6702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FilePath path = paths[j].Append(libs[i]); 6715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::NativeLibrary lib = base::LoadNativeLibrary(path, NULL); 6725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (lib) { 6735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++loaded; 6745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (loaded == libs.size()) { 6805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VLOG(3) << "NSS libraries loaded."; 6815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 6825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Failed to load NSS libraries."; 6835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 6855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool CheckNSSVersion(const char* version) { 6885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return !!NSS_VersionCheck(version); 6895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_NSS) 6925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ScopedTestNSSDB::ScopedTestNSSDB() 6935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : is_open_(g_nss_singleton.Get().OpenTestNSSDB()) { 6945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ScopedTestNSSDB::~ScopedTestNSSDB() { 697eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // Don't close when NSS is < 3.15.1, because it would require an additional 698eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // sleep for 1 second after closing the database, due to 699eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // http://bugzil.la/875601. 700eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch if (NSS_VersionCheck("3.15.1")) { 701eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch g_nss_singleton.Get().CloseTestNSSDB(); 702eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch } 7035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::Lock* GetNSSWriteLock() { 7065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_nss_singleton.Get().write_lock(); 7075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)AutoNSSWriteLock::AutoNSSWriteLock() : lock_(GetNSSWriteLock()) { 7105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // May be NULL if the lock is not needed in our version of NSS. 7115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (lock_) 7125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) lock_->Acquire(); 7135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)AutoNSSWriteLock::~AutoNSSWriteLock() { 7165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (lock_) { 7175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) lock_->AssertAcquired(); 7185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) lock_->Release(); 7195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)AutoSECMODListReadLock::AutoSECMODListReadLock() 7235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : lock_(SECMOD_GetDefaultModuleListLock()) { 7245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMOD_GetReadLock(lock_); 7255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)AutoSECMODListReadLock::~AutoSECMODListReadLock() { 7285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SECMOD_ReleaseReadLock(lock_); 7295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(USE_NSS) 7325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS) 7345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void OpenPersistentNSSDB() { 7355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_nss_singleton.Get().OpenPersistentNSSDB(); 7365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void EnableTPMTokenForNSS() { 7395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_nss_singleton.Get().EnableTPMTokenForNSS(); 7405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void GetTPMTokenInfo(std::string* token_name, std::string* user_pin) { 7435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_nss_singleton.Get().GetTPMTokenInfo(token_name, user_pin); 7445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool IsTPMTokenReady() { 7475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_nss_singleton.Get().IsTPMTokenReady(); 7485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool InitializeTPMToken(const std::string& token_name, 7515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& user_pin) { 7525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_nss_singleton.Get().InitializeTPMToken(token_name, user_pin); 7535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // defined(OS_CHROMEOS) 7555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::Time PRTimeToBaseTime(PRTime prtime) { 7575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return base::Time::FromInternalValue( 7585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) prtime + base::Time::UnixEpoch().ToInternalValue()); 7595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PRTime BaseTimeToPRTime(base::Time time) { 7625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return time.ToInternalValue() - base::Time::UnixEpoch().ToInternalValue(); 7635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PK11SlotInfo* GetPublicNSSKeySlot() { 7665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_nss_singleton.Get().GetPublicNSSKeySlot(); 7675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PK11SlotInfo* GetPrivateNSSKeySlot() { 7705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return g_nss_singleton.Get().GetPrivateNSSKeySlot(); 7715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace crypto 774