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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
#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(kIOMasterPortDefault, 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
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