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++ // Copyright (C) 2011-2012 Denis Shienkov <denis.shienkov@gmail.com>
++ // Copyright (C) 2011 Sergey Belyashov <Sergey.Belyashov@gmail.com>
++ // Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:critical reason:data-parser
++
++ #include "qserialportinfo.h"
++ #include "qserialportinfo_p.h"
++ #include "qserialport_p.h"
++
++ #include "private/qcore_mac_p.h"
++
++ #include <sys/param.h>
++
++ #include <CoreFoundation/CoreFoundation.h>
++ #include <IOKit/IOKitLib.h>
++
++ #include <IOKit/serial/IOSerialKeys.h>
++ #include <IOKit/storage/IOStorageDeviceCharacteristics.h> // for kIOPropertyProductNameKey
++ #include <IOKit/usb/USB.h>
++ #if defined(MAC_OS_X_VERSION_10_4) && (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_4)
++ # include <IOKit/serial/ioss.h>
++ #endif
++ #include <IOKit/IOBSD.h>
++
++ QT_BEGIN_NAMESPACE
++
++ static QCFType<CFTypeRef> searchProperty(io_registry_entry_t ioRegistryEntry,
++ const QCFString &propertyKey)
++ {
++ return ::IORegistryEntrySearchCFProperty(
++ ioRegistryEntry, kIOServicePlane, propertyKey, kCFAllocatorDefault, 0);
++ }
++
++ static QString searchStringProperty(io_registry_entry_t ioRegistryEntry,
++ const QCFString &propertyKey)
++ {
++ const QCFType<CFTypeRef> result(searchProperty(ioRegistryEntry, propertyKey));
++ const CFStringRef ref = result.as<CFStringRef>();
++ if (ref && (::CFGetTypeID(ref) == ::CFStringGetTypeID()))
++ return QString::fromCFString(ref);
++ return QString();
++ }
++
++ static quint16 searchShortIntProperty(io_registry_entry_t ioRegistryEntry,
++ const QCFString &propertyKey,
++ bool &ok)
++ {
++ const QCFType<CFTypeRef> result(searchProperty(ioRegistryEntry, propertyKey));
++ const CFNumberRef ref = result.as<CFNumberRef>();
++ quint16 value = 0;
++ ok = ref && (::CFGetTypeID(ref) == ::CFNumberGetTypeID())
++ && (::CFNumberGetValue(ref, kCFNumberShortType, &value) > 0);
++ return value;
++ }
++
++ static bool isCompleteInfo(const QSerialPortInfoPrivate &priv, const QString &calloutDevice, const QString &dialinDevice)
++ {
++ return !calloutDevice.isEmpty()
++ && !dialinDevice.isEmpty()
++ && !priv.manufacturer.isEmpty()
++ && !priv.description.isEmpty()
++ && !priv.serialNumber.isEmpty()
++ && priv.hasProductIdentifier
++ && priv.hasVendorIdentifier;
++ }
++
++ static QString calloutDeviceSystemLocation(io_registry_entry_t ioRegistryEntry)
++ {
++ return searchStringProperty(ioRegistryEntry, QCFString(CFSTR(kIOCalloutDeviceKey)));
++ }
++
++ static QString dialinDeviceSystemLocation(io_registry_entry_t ioRegistryEntry)
++ {
++ return searchStringProperty(ioRegistryEntry, QCFString(CFSTR(kIODialinDeviceKey)));
++ }
++
++ static QString deviceDescription(io_registry_entry_t ioRegistryEntry)
++ {
++ QString result = searchStringProperty(ioRegistryEntry, QCFString(CFSTR(kIOPropertyProductNameKey)));
++ if (result.isEmpty())
++ result = searchStringProperty(ioRegistryEntry, QCFString(CFSTR(kUSBProductString)));
++ if (result.isEmpty())
++ result = searchStringProperty(ioRegistryEntry, QCFString(CFSTR("BTName")));
++ return result;
++ }
++
++ static QString deviceManufacturer(io_registry_entry_t ioRegistryEntry)
++ {
++ return searchStringProperty(ioRegistryEntry, QCFString(CFSTR(kUSBVendorString)));
++ }
++
++ static QString deviceSerialNumber(io_registry_entry_t ioRegistryEntry)
++ {
++ return searchStringProperty(ioRegistryEntry, QCFString(CFSTR(kUSBSerialNumberString)));
++ }
++
++ static quint16 deviceVendorIdentifier(io_registry_entry_t ioRegistryEntry, bool &ok)
++ {
++ return searchShortIntProperty(ioRegistryEntry, QCFString(CFSTR(kUSBVendorID)), ok);
++ }
++
++ static quint16 deviceProductIdentifier(io_registry_entry_t ioRegistryEntry, bool &ok)
++ {
++ return searchShortIntProperty(ioRegistryEntry, QCFString(CFSTR(kUSBProductID)), ok);
++ }
++
++ static io_registry_entry_t parentSerialPortService(io_registry_entry_t currentSerialPortService)
++ {
++ io_registry_entry_t result = 0;
++ ::IORegistryEntryGetParentEntry(currentSerialPortService, kIOServicePlane, &result);
++ ::IOObjectRelease(currentSerialPortService);
++ return result;
++ }
++
++ QList<QSerialPortInfo> QSerialPortInfo::availablePorts()
++ {
++ CFMutableDictionaryRef serialPortDictionary = ::IOServiceMatching(kIOSerialBSDServiceValue);
++ if (!serialPortDictionary)
++ return QList<QSerialPortInfo>();
++
++ ::CFDictionaryAddValue(serialPortDictionary,
++ CFSTR(kIOSerialBSDTypeKey),
++ CFSTR(kIOSerialBSDAllTypes));
++
++ io_iterator_t serialPortIterator = 0;
++ if (::IOServiceGetMatchingServices(kIOMainPortDefault, serialPortDictionary,
++ &serialPortIterator) != KERN_SUCCESS) {
++ return QList<QSerialPortInfo>();
++ }
++
++ QList<QSerialPortInfo> serialPortInfoList;
++
++ for (;;) {
++ io_registry_entry_t serialPortService = ::IOIteratorNext(serialPortIterator);
++ if (!serialPortService)
++ break;
++
++ QSerialPortInfoPrivate priv;
++
++ QString calloutDevice;
++ QString dialinDevice;
++
++ for (;;) {
++ if (calloutDevice.isEmpty())
++ calloutDevice = calloutDeviceSystemLocation(serialPortService);
++
++ if (dialinDevice.isEmpty())
++ dialinDevice = dialinDeviceSystemLocation(serialPortService);
++
++ if (priv.description.isEmpty())
++ priv.description = deviceDescription(serialPortService);
++
++ if (priv.manufacturer.isEmpty())
++ priv.manufacturer = deviceManufacturer(serialPortService);
++
++ if (priv.serialNumber.isEmpty())
++ priv.serialNumber = deviceSerialNumber(serialPortService);
++
++ if (!priv.hasVendorIdentifier) {
++ priv.vendorIdentifier =
++ deviceVendorIdentifier(serialPortService,
++ priv.hasVendorIdentifier);
++ }
++
++ if (!priv.hasProductIdentifier) {
++ priv.productIdentifier =
++ deviceProductIdentifier(serialPortService,
++ priv.hasProductIdentifier);
++ }
++
++ if (isCompleteInfo(priv, calloutDevice, dialinDevice)) {
++ ::IOObjectRelease(serialPortService);
++ break;
++ }
++
++ serialPortService = parentSerialPortService(serialPortService);
++ if (!serialPortService)
++ break;
++ }
++
++ QSerialPortInfoPrivate calloutCandidate = priv;
++ calloutCandidate.device = calloutDevice;
++ calloutCandidate.portName = QSerialPortInfoPrivate::portNameFromSystemLocation(calloutDevice);
++ serialPortInfoList.append(calloutCandidate);
++
++ QSerialPortInfoPrivate dialinCandidate = priv;
++ dialinCandidate.device = dialinDevice;
++ dialinCandidate.portName = QSerialPortInfoPrivate::portNameFromSystemLocation(dialinDevice);
++ serialPortInfoList.append(dialinCandidate);
++ }
++
++ ::IOObjectRelease(serialPortIterator);
++
++ return serialPortInfoList;
++ }
++
++ QString QSerialPortInfoPrivate::portNameToSystemLocation(const QString &source)
++ {
++ return (source.startsWith(QLatin1Char('/'))
++ || source.startsWith(QLatin1String("./"))
++ || source.startsWith(QLatin1String("../")))
++ ? source : (QLatin1String("/dev/") + source);
++ }
++
++ QString QSerialPortInfoPrivate::portNameFromSystemLocation(const QString &source)
++ {
++ return source.startsWith(QLatin1String("/dev/"))
++ ? source.mid(5) : source;
++ }
++
++ QT_END_NAMESPACE