mirror of
https://github.com/keepassxreboot/keepassxc.git
synced 2024-10-01 01:26:01 -04:00
TouchID support refactoring (#8311)
Fixes #7695 - Properly set compile flags based on availability of watch unlock in the API.
This commit is contained in:
parent
15b9e82f93
commit
bd809ba90b
@ -62,6 +62,25 @@ if(UNIX AND NOT APPLE)
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endif()
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option(WITH_XC_DOCS "Enable building of documentation" ON)
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if(APPLE)
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# Perform the platform checks before applying the stricter compiler flags.
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# Otherwise the kSecAccessControlTouchIDCurrentSet deprecation warning will result in an error.
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try_compile(XC_APPLE_COMPILER_SUPPORT_BIOMETRY
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${CMAKE_CURRENT_BINARY_DIR}/tiometry_test/
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${CMAKE_CURRENT_SOURCE_DIR}/cmake/compiler-checks/macos/control_biometry_support.mm)
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message(STATUS "Biometry compiler support: ${XC_APPLE_COMPILER_SUPPORT_BIOMETRY}")
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try_compile(XC_APPLE_COMPILER_SUPPORT_TOUCH_ID
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${CMAKE_CURRENT_BINARY_DIR}/touch_id_test/
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${CMAKE_CURRENT_SOURCE_DIR}/cmake/compiler-checks/macos/control_touch_id_support.mm)
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message(STATUS "Touch ID compiler support: ${XC_APPLE_COMPILER_SUPPORT_TOUCH_ID}")
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try_compile(XC_APPLE_COMPILER_SUPPORT_WATCH
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${CMAKE_CURRENT_BINARY_DIR}/tiometry_test/
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${CMAKE_CURRENT_SOURCE_DIR}/cmake/compiler-checks/macos/control_watch_support.mm)
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message(STATUS "Apple watch compiler support: ${XC_APPLE_COMPILER_SUPPORT_WATCH}")
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endif()
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if(WITH_CCACHE)
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# Use the Compiler Cache (ccache) program
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# (install with: sudo apt get ccache)
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5
cmake/compiler-checks/macos/control_biometry_support.mm
Normal file
5
cmake/compiler-checks/macos/control_biometry_support.mm
Normal file
@ -0,0 +1,5 @@
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#include <Security/Security.h>
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int main() {
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return static_cast<int>(kSecAccessControlBiometryCurrentSet);
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}
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5
cmake/compiler-checks/macos/control_touch_id_support.mm
Normal file
5
cmake/compiler-checks/macos/control_touch_id_support.mm
Normal file
@ -0,0 +1,5 @@
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#include <Security/Security.h>
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int main() {
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return static_cast<int>(kSecAccessControlTouchIDCurrentSet);
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}
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5
cmake/compiler-checks/macos/control_watch_support.mm
Normal file
5
cmake/compiler-checks/macos/control_watch_support.mm
Normal file
@ -0,0 +1,5 @@
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#include <Security/Security.h>
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int main() {
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return static_cast<int>(kSecAccessControlWatch);
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}
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@ -313,7 +313,7 @@ endif()
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if(APPLE)
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list(APPEND keepassx_SOURCES touchid/TouchID.mm)
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# TODO: Remove -Wno-error once deprecation warnings have been resolved.
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set_source_files_properties(touchid/TouchID.mm PROPERTY COMPILE_FLAGS "-Wno-old-style-cast -Wno-error")
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set_source_files_properties(touchid/TouchID.mm PROPERTY COMPILE_FLAGS "-Wno-old-style-cast")
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endif()
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configure_file(config-keepassx.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-keepassx.h)
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@ -37,4 +37,13 @@
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#cmakedefine HAVE_RLIMIT_CORE 1
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#cmakedefine HAVE_PT_DENY_ATTACH 1
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#cmakedefine01 XC_APPLE_COMPILER_SUPPORT_BIOMETRY()
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#cmakedefine01 XC_APPLE_COMPILER_SUPPORT_TOUCH_ID()
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#cmakedefine01 XC_APPLE_COMPILER_SUPPORT_WATCH()
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#define XC_COMPILER_SUPPORT(X) XC_COMPILER_SUPPORT_PRIVATE_DEFINITION_##X()
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#define XC_COMPILER_SUPPORT_PRIVATE_DEFINITION_APPLE_BIOMETRY() XC_APPLE_COMPILER_SUPPORT_BIOMETRY()
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#define XC_COMPILER_SUPPORT_PRIVATE_DEFINITION_TOUCH_ID() XC_APPLE_COMPILER_SUPPORT_TOUCH_ID()
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#define XC_COMPILER_SUPPORT_PRIVATE_DEFINITION_WATCH_UNLOCK() XC_APPLE_COMPILER_SUPPORT_WATCH()
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#endif // KEEPASSX_CONFIG_KEEPASSX_H
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@ -1,10 +1,6 @@
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#ifndef KEEPASSX_TOUCHID_H
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#define KEEPASSX_TOUCHID_H
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#define TOUCHID_UNDEFINED -1
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#define TOUCHID_AVAILABLE 1
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#define TOUCHID_NOT_AVAILABLE 0
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#include <QHash>
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class TouchID
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@ -15,30 +11,29 @@ public:
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private:
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TouchID()
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{
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// Nothing to do here
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}
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// TouchID(TouchID const&); // Don't Implement
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// void operator=(TouchID const&); // Don't implement
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QHash<QString, QByteArray> m_encryptedMasterKeys;
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int m_available = TOUCHID_UNDEFINED;
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public:
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TouchID(TouchID const&) = delete;
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void operator=(TouchID const&) = delete;
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bool storeKey(const QString& databasePath, const QByteArray& passwordKey);
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bool getKey(const QString& databasePath, QByteArray& passwordKey) const;
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bool containsKey(const QString& databasePath) const;
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void reset(const QString& databasePath = "");
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bool isAvailable();
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bool authenticate(const QString& message = "") const;
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private:
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static bool isWatchAvailable();
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static bool isTouchIdAvailable();
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void reset(const QString& databasePath = "");
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static void deleteKeyEntry(const QString& accountName);
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static QString databaseKeyName(const QString& databasePath);
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private:
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QHash<QString, QByteArray> m_encryptedMasterKeys;
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};
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#endif // KEEPASSX_TOUCHID_H
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@ -1,10 +1,11 @@
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#define SECURITY_ACCOUNT_PREFIX QString("KeepassXC_TouchID_Keys_")
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#include "touchid/TouchID.h"
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#include "crypto/Random.h"
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#include "crypto/SymmetricCipher.h"
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#include "crypto/CryptoHash.h"
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#include "config-keepassx.h"
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#include <botan/mem_ops.h>
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#include <Foundation/Foundation.h>
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#include <CoreFoundation/CoreFoundation.h>
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@ -13,16 +14,40 @@
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#include <QCoreApplication>
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#define TOUCH_ID_ENABLE_DEBUG_LOGS() 0
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#if TOUCH_ID_ENABLE_DEBUG_LOGS()
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#define debug(...) qWarning(__VA_ARGS__)
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#else
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inline void debug(const char *message, ...)
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{
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Q_UNUSED(message);
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// qWarning(...);
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}
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#endif
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inline std::string StatusToErrorMessage(OSStatus status)
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{
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CFStringRef text = SecCopyErrorMessageString(status, NULL);
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if (!text) {
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return std::to_string(status);
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}
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inline QString hash(const QString& value)
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std::string result(CFStringGetCStringPtr(text, kCFStringEncodingUTF8));
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CFRelease(text);
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return result;
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}
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inline void LogStatusError(const char *message, OSStatus status)
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{
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QByteArray result = CryptoHash::hash(value.toUtf8(), CryptoHash::Sha256).toHex();
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return QString(result);
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if (!status) {
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return;
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}
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std::string msg = StatusToErrorMessage(status);
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debug("%s: %s", message, msg.c_str());
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}
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inline CFMutableDictionaryRef makeDictionary() {
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return CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
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}
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/**
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@ -35,23 +60,42 @@ TouchID& TouchID::getInstance()
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return instance;
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}
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//! Try to delete an existing keychain entry
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void TouchID::deleteKeyEntry(const QString& accountName)
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{
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NSString* nsAccountName = accountName.toNSString(); // The NSString is released by Qt
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// try to delete an existing entry
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CFMutableDictionaryRef query = makeDictionary();
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CFDictionarySetValue(query, kSecClass, kSecClassGenericPassword);
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CFDictionarySetValue(query, kSecAttrAccount, (__bridge CFStringRef) nsAccountName);
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CFDictionarySetValue(query, kSecReturnData, kCFBooleanFalse);
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// get data from the KeyChain
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OSStatus status = SecItemDelete(query);
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LogStatusError("TouchID::storeKey - Status deleting existing entry", status);
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}
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QString TouchID::databaseKeyName(const QString &databasePath)
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{
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static const QString keyPrefix = "KeepassXC_TouchID_Keys_";
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const QByteArray pathHash = CryptoHash::hash(databasePath.toUtf8(), CryptoHash::Sha256).toHex();
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return keyPrefix + pathHash;
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}
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/**
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* Generates a random AES 256bit key and uses it to encrypt the PasswordKey that
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* protects the database. The encrypted PasswordKey is kept in memory while the
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* AES key is stored in the macOS KeyChain protected by TouchID.
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* AES key is stored in the macOS KeyChain protected by either TouchID or Apple Watch.
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*/
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bool TouchID::storeKey(const QString& databasePath, const QByteArray& passwordKey)
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{
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if (databasePath.isEmpty() || passwordKey.isEmpty()) {
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// illegal arguments
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debug("TouchID::storeKey - Illegal arguments: databasePath = %s, len(passwordKey) = %d",
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databasePath.toUtf8().constData(),
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passwordKey.length());
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debug("TouchID::storeKey - illegal arguments");
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return false;
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}
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if (this->m_encryptedMasterKeys.contains(databasePath)) {
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// already stored key for this database
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if (m_encryptedMasterKeys.contains(databasePath)) {
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debug("TouchID::storeKey - Already stored key for this database");
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return true;
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}
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@ -62,59 +106,45 @@ bool TouchID::storeKey(const QString& databasePath, const QByteArray& passwordKe
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SymmetricCipher aes256Encrypt;
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if (!aes256Encrypt.init(SymmetricCipher::Aes256_GCM, SymmetricCipher::Encrypt, randomKey, randomIV)) {
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debug("TouchID::storeKey - Error initializing encryption: %s",
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aes256Encrypt.errorString().toUtf8().constData());
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debug("TouchID::storeKey - AES initialisation falied");
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return false;
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}
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// encrypt and keep result in memory
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QByteArray encryptedMasterKey = passwordKey;
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if (!aes256Encrypt.finish(encryptedMasterKey)) {
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debug("TouchID::storeKey - Error encrypting: %s", aes256Encrypt.errorString().toUtf8().constData());
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debug(aes256Encrypt.errorString().toUtf8().constData());
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debug("TouchID::getKey - AES encrypt failed: %s", aes256Encrypt.errorString().toUtf8().constData());
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return false;
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}
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// memorize which database the stored key is for
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m_encryptedMasterKeys.insert(databasePath, encryptedMasterKey);
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const QString keyName = databaseKeyName(databasePath);
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NSString* accountName = (SECURITY_ACCOUNT_PREFIX + hash(databasePath)).toNSString(); // autoreleased
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// try to delete an existing entry
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CFMutableDictionaryRef
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query = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
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CFDictionarySetValue(query, kSecClass, kSecClassGenericPassword);
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CFDictionarySetValue(query, kSecAttrAccount, (__bridge CFStringRef) accountName);
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CFDictionarySetValue(query, kSecReturnData, kCFBooleanFalse);
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// get data from the KeyChain
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OSStatus status = SecItemDelete(query);
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debug("TouchID::storeKey - Status deleting existing entry: %d", status);
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deleteKeyEntry(keyName); // Try to delete the existing key entry
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// prepare adding secure entry to the macOS KeyChain
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CFErrorRef error = NULL;
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SecAccessControlRef sacObject;
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#if __clang_major__ >= 9 && MAC_OS_X_VERSION_MIN_REQUIRED >= 101500
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if (@available(macOS 10.15, *)) {
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// kSecAccessControlWatch is only available for macOS 10.15 and later
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sacObject = SecAccessControlCreateWithFlags(kCFAllocatorDefault,
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kSecAttrAccessibleWhenUnlockedThisDeviceOnly,
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kSecAccessControlOr | kSecAccessControlBiometryCurrentSet | kSecAccessControlWatch,
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&error);
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} else {
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#endif
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#if MAC_OS_X_VERSION_MIN_REQUIRED >= 101201
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sacObject = SecAccessControlCreateWithFlags(kCFAllocatorDefault,
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kSecAttrAccessibleWhenUnlockedThisDeviceOnly,
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kSecAccessControlTouchIDCurrentSet, // depr: kSecAccessControlBiometryCurrentSet,
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&error);
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#endif
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#if __clang_major__ >= 9 && MAC_OS_X_VERSION_MIN_REQUIRED >= 101500
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}
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#endif
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// We need both runtime and compile time checks here to solve the following problems:
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// - Not all flags are available in all OS versions, so we have to check it at compile time
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// - Requesting Biometry/TouchID when to fingerprint sensor is available will result in runtime error
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SecAccessControlCreateFlags accessControlFlags = 0;
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if (isTouchIdAvailable()) {
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#if XC_COMPILER_SUPPORT(APPLE_BIOMETRY)
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// Prefer the non-deprecated flag when available
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accessControlFlags = kSecAccessControlBiometryCurrentSet;
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#elif XC_COMPILER_SUPPORT(TOUCH_ID)
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accessControlFlags = kSecAccessControlTouchIDCurrentSet;
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#endif
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}
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if (isWatchAvailable()) {
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#if XC_COMPILER_SUPPORT(WATCH_UNLOCK)
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accessControlFlags = accessControlFlags | kSecAccessControlOr | kSecAccessControlWatch;
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#endif
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}
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SecAccessControlRef sacObject = SecAccessControlCreateWithFlags(
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kCFAllocatorDefault, kSecAttrAccessibleWhenUnlockedThisDeviceOnly, accessControlFlags, &error);
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if (sacObject == NULL || error != NULL) {
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NSError* e = (__bridge NSError*) error;
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@ -122,36 +152,40 @@ bool TouchID::storeKey(const QString& databasePath, const QByteArray& passwordKe
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return false;
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}
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CFMutableDictionaryRef attributes =
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CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
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NSString *accountName = keyName.toNSString(); // The NSString is released by Qt
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// prepare data (key) to be stored
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QByteArray dataBytes = (randomKey + randomIV).toHex();
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CFDataRef valueData =
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CFDataCreateWithBytesNoCopy(NULL, reinterpret_cast<UInt8*>(dataBytes.data()), dataBytes.length(), NULL);
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QByteArray keychainKeyValue = (randomKey + randomIV).toHex();
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CFDataRef keychainValueData =
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CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<UInt8 *>(keychainKeyValue.data()),
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keychainKeyValue.length(), kCFAllocatorDefault);
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CFMutableDictionaryRef attributes = makeDictionary();
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CFDictionarySetValue(attributes, kSecClass, kSecClassGenericPassword);
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CFDictionarySetValue(attributes, kSecAttrAccount, (__bridge CFStringRef) accountName);
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CFDictionarySetValue(attributes, kSecValueData, valueData);
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CFDictionarySetValue(attributes, kSecValueData, (__bridge CFDataRef) keychainValueData);
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CFDictionarySetValue(attributes, kSecAttrSynchronizable, kCFBooleanFalse);
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CFDictionarySetValue(attributes, kSecUseAuthenticationUI, kSecUseAuthenticationUIAllow);
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CFDictionarySetValue(attributes, kSecAttrAccessControl, sacObject);
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// add to KeyChain
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status = SecItemAdd(attributes, NULL);
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debug("TouchID::storeKey - Status adding new entry: %d", status); // read w/ e.g. "security error -50" in shell
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OSStatus status = SecItemAdd(attributes, NULL);
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LogStatusError("TouchID::storeKey - Status adding new entry", status);
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CFRelease(sacObject);
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CFRelease(attributes);
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if (status != errSecSuccess) {
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debug("TouchID::storeKey - Not successful, resetting TouchID");
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this->m_encryptedMasterKeys.remove(databasePath);
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return false;
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}
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// Cleanse the key information from the memory
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Botan::secure_scrub_memory(randomKey.data(), randomKey.size());
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Botan::secure_scrub_memory(randomIV.data(), randomIV.size());
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// memorize which database the stored key is for
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m_encryptedMasterKeys.insert(databasePath, encryptedMasterKey);
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debug("TouchID::storeKey - Success!");
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return true;
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}
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@ -163,25 +197,23 @@ bool TouchID::getKey(const QString& databasePath, QByteArray& passwordKey) const
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{
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passwordKey.clear();
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if (databasePath.isEmpty()) {
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// illegal arguments
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debug("TouchID::storeKey - Illegal argument: databasePath = %s", databasePath.toUtf8().constData());
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debug("TouchID::getKey - missing database path");
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return false;
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}
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// checks if encrypted PasswordKey is available and is stored for the given database
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if (!containsKey(databasePath)) {
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debug("TouchID::getKey - No stored key found");
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return false;
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}
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// query the KeyChain for the AES key
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CFMutableDictionaryRef
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query = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
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CFMutableDictionaryRef query = makeDictionary();
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NSString* accountName = (SECURITY_ACCOUNT_PREFIX + hash(databasePath)).toNSString(); // autoreleased
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const QString keyName = databaseKeyName(databasePath);
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NSString* accountName = keyName.toNSString(); // The NSString is released by Qt
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NSString* touchPromptMessage =
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QCoreApplication::translate("DatabaseOpenWidget", "authenticate to access the database")
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.toNSString(); // autoreleased
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.toNSString(); // The NSString is released by Qt
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CFDictionarySetValue(query, kSecClass, kSecClassGenericPassword);
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CFDictionarySetValue(query, kSecAttrAccount, (__bridge CFStringRef) accountName);
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@ -198,14 +230,14 @@ bool TouchID::getKey(const QString& databasePath, QByteArray& passwordKey) const
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debug("TouchID::getKey - User canceled authentication");
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return true;
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} else if (status != errSecSuccess || dataTypeRef == NULL) {
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debug("TouchID::getKey - Error retrieving result: %d", status);
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LogStatusError("TouchID::getKey - key query error", status);
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return false;
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}
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CFDataRef valueData = static_cast<CFDataRef>(dataTypeRef);
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QByteArray dataBytes = QByteArray::fromHex(QByteArray(reinterpret_cast<const char*>(CFDataGetBytePtr(valueData)),
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CFDataGetLength(valueData)));
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CFRelease(valueData);
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CFRelease(dataTypeRef);
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// extract AES key and IV from data bytes
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QByteArray key = dataBytes.left(SymmetricCipher::keySize(SymmetricCipher::Aes256_GCM));
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@ -213,7 +245,7 @@ bool TouchID::getKey(const QString& databasePath, QByteArray& passwordKey) const
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SymmetricCipher aes256Decrypt;
|
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if (!aes256Decrypt.init(SymmetricCipher::Aes256_GCM, SymmetricCipher::Decrypt, key, iv)) {
|
||||
debug("TouchID::getKey - Error initializing decryption: %s", aes256Decrypt.errorString().toUtf8().constData());
|
||||
debug("TouchID::getKey - AES initialization failed");
|
||||
return false;
|
||||
}
|
||||
|
||||
@ -221,10 +253,14 @@ bool TouchID::getKey(const QString& databasePath, QByteArray& passwordKey) const
|
||||
passwordKey = m_encryptedMasterKeys[databasePath];
|
||||
if (!aes256Decrypt.finish(passwordKey)) {
|
||||
passwordKey.clear();
|
||||
debug("TouchID::getKey - Error decryption: %s", aes256Decrypt.errorString().toUtf8().constData());
|
||||
debug("TouchID::getKey - AES decrypt failed: %s", aes256Decrypt.errorString().toUtf8().constData());
|
||||
return false;
|
||||
}
|
||||
|
||||
// Cleanse the key information from the memory
|
||||
Botan::secure_scrub_memory(key.data(), key.size());
|
||||
Botan::secure_scrub_memory(iv.data(), iv.size());
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -233,96 +269,77 @@ bool TouchID::containsKey(const QString& dbPath) const
|
||||
return m_encryptedMasterKeys.contains(dbPath);
|
||||
}
|
||||
|
||||
/**
|
||||
* Dynamic check if TouchID is available on the current machine.
|
||||
*/
|
||||
// TODO: Both functions below should probably handle the returned errors to
|
||||
// provide more information on availability. E.g.: the closed laptop lid results
|
||||
// in an error (because touch id is not unavailable). That error could be
|
||||
// displayed to the user when we first check for availability instead of just
|
||||
// hiding the checkbox.
|
||||
|
||||
//! @return true if Apple Watch is available for authentication.
|
||||
bool TouchID::isWatchAvailable()
|
||||
{
|
||||
#if XC_COMPILER_SUPPORT(WATCH_UNLOCK)
|
||||
@try {
|
||||
LAContext *context = [[LAContext alloc] init];
|
||||
|
||||
LAPolicy policyCode = LAPolicyDeviceOwnerAuthenticationWithWatch;
|
||||
NSError *error;
|
||||
|
||||
bool canAuthenticate = [context canEvaluatePolicy:policyCode error:&error];
|
||||
[context release];
|
||||
if (error) {
|
||||
debug("Apple Wach available: %d (%ld / %s / %s)", canAuthenticate,
|
||||
(long)error.code, error.description.UTF8String,
|
||||
error.localizedDescription.UTF8String);
|
||||
} else {
|
||||
debug("Apple Wach available: %d", canAuthenticate);
|
||||
}
|
||||
return canAuthenticate;
|
||||
} @catch (NSException *) {
|
||||
return false;
|
||||
}
|
||||
#else
|
||||
return false;
|
||||
#endif
|
||||
}
|
||||
|
||||
//! @return true if Touch ID is available for authentication.
|
||||
bool TouchID::isTouchIdAvailable()
|
||||
{
|
||||
#if XC_COMPILER_SUPPORT(TOUCH_ID)
|
||||
@try {
|
||||
LAContext *context = [[LAContext alloc] init];
|
||||
|
||||
LAPolicy policyCode = LAPolicyDeviceOwnerAuthenticationWithBiometrics;
|
||||
NSError *error;
|
||||
|
||||
bool canAuthenticate = [context canEvaluatePolicy:policyCode error:&error];
|
||||
[context release];
|
||||
if (error) {
|
||||
debug("Touch ID available: %d (%ld / %s / %s)", canAuthenticate,
|
||||
(long)error.code, error.description.UTF8String,
|
||||
error.localizedDescription.UTF8String);
|
||||
} else {
|
||||
debug("Touch ID available: %d", canAuthenticate);
|
||||
}
|
||||
return canAuthenticate;
|
||||
} @catch (NSException *) {
|
||||
return false;
|
||||
}
|
||||
#else
|
||||
return false;
|
||||
#endif
|
||||
}
|
||||
|
||||
//! @return true if either TouchID or Apple Watch is available at the moment.
|
||||
bool TouchID::isAvailable()
|
||||
{
|
||||
#if MAC_OS_X_VERSION_MIN_REQUIRED < 101201
|
||||
return false;
|
||||
#else
|
||||
// cache result
|
||||
if (this->m_available != TOUCHID_UNDEFINED) {
|
||||
return (this->m_available == TOUCHID_AVAILABLE);
|
||||
}
|
||||
|
||||
@try {
|
||||
LAContext* context = [[LAContext alloc] init];
|
||||
|
||||
LAPolicy policyCode;
|
||||
#if __clang_major__ >= 9 && MAC_OS_X_VERSION_MIN_REQUIRED >= 101500
|
||||
if (@available(macOS 10.15, *)) {
|
||||
policyCode = LAPolicyDeviceOwnerAuthenticationWithBiometricsOrWatch;
|
||||
} else {
|
||||
#endif
|
||||
policyCode = LAPolicyDeviceOwnerAuthenticationWithBiometrics;
|
||||
#if __clang_major__ >= 9 && MAC_OS_X_VERSION_MIN_REQUIRED >= 101500
|
||||
}
|
||||
#endif
|
||||
|
||||
bool canAuthenticate = [context canEvaluatePolicy:policyCode error:nil];
|
||||
[context release];
|
||||
this->m_available = canAuthenticate ? TOUCHID_AVAILABLE : TOUCHID_NOT_AVAILABLE;
|
||||
return canAuthenticate;
|
||||
}
|
||||
@catch (NSException*) {
|
||||
this->m_available = TOUCHID_NOT_AVAILABLE;
|
||||
return false;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
typedef enum
|
||||
{
|
||||
kTouchIDResultNone,
|
||||
kTouchIDResultAllowed,
|
||||
kTouchIDResultFailed
|
||||
} TouchIDResult;
|
||||
|
||||
/**
|
||||
* Performs a simple authentication using TouchID.
|
||||
*/
|
||||
bool TouchID::authenticate(const QString& message) const
|
||||
{
|
||||
// message must not be an empty string
|
||||
QString msg = message;
|
||||
if (message.length() == 0)
|
||||
msg = QCoreApplication::translate("DatabaseOpenWidget", "authenticate a privileged operation");
|
||||
|
||||
@try {
|
||||
LAContext* context = [[LAContext alloc] init];
|
||||
__block TouchIDResult result = kTouchIDResultNone;
|
||||
NSString* authMessage = msg.toNSString(); // autoreleased
|
||||
|
||||
LAPolicy policyCode;
|
||||
#if __clang_major__ >= 9 && MAC_OS_X_VERSION_MIN_REQUIRED >= 101500
|
||||
if (@available(macOS 10.15, *)) {
|
||||
policyCode = LAPolicyDeviceOwnerAuthenticationWithBiometricsOrWatch;
|
||||
} else {
|
||||
#endif
|
||||
#if MAC_OS_X_VERSION_MIN_REQUIRED >= 101201
|
||||
policyCode = LAPolicyDeviceOwnerAuthenticationWithBiometrics;
|
||||
#endif
|
||||
#if __clang_major__ >= 9 && MAC_OS_X_VERSION_MIN_REQUIRED >= 101500
|
||||
}
|
||||
#endif
|
||||
|
||||
[context evaluatePolicy:policyCode
|
||||
localizedReason:authMessage reply:^(BOOL success, NSError* error) {
|
||||
Q_UNUSED(error);
|
||||
result = success ? kTouchIDResultAllowed : kTouchIDResultFailed;
|
||||
CFRunLoopWakeUp(CFRunLoopGetCurrent());
|
||||
}];
|
||||
|
||||
while (result == kTouchIDResultNone)
|
||||
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, true);
|
||||
|
||||
[context release];
|
||||
return result == kTouchIDResultAllowed;
|
||||
}
|
||||
@catch (NSException*) {
|
||||
return false;
|
||||
}
|
||||
// note: we cannot cache the check results because the configuration
|
||||
// is dynamic in its nature. User can close the laptop lid or take off
|
||||
// the watch, thus making one (or both) of the authentication types unavailable.
|
||||
const bool watchAvailable = isWatchAvailable();
|
||||
const bool touchIdAvailable = isTouchIdAvailable();
|
||||
return watchAvailable || touchIdAvailable;
|
||||
}
|
||||
|
||||
/**
|
||||
@ -331,9 +348,9 @@ bool TouchID::authenticate(const QString& message) const
|
||||
void TouchID::reset(const QString& databasePath)
|
||||
{
|
||||
if (databasePath.isEmpty()) {
|
||||
this->m_encryptedMasterKeys.clear();
|
||||
m_encryptedMasterKeys.clear();
|
||||
return;
|
||||
}
|
||||
|
||||
this->m_encryptedMasterKeys.remove(databasePath);
|
||||
m_encryptedMasterKeys.remove(databasePath);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user