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deviceenumerator_macos.cpp
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deviceenumerator_macos.cpp
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////////////////////////////////////////////////////////////////////////////////
// This file is part of Unraid USB Creator - https://github.com/limetech/usb-creator
// Copyright (C) 2013-2015 RasPlex project
// Copyright (C) 2016 Team LibreELEC
// Copyright (C) 2018-2020 Lime Technology, Inc
//
// Unraid USB Creator is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// Unraid USB Creator is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Unraid USB Creator. If not, see <http://www.gnu.org/licenses/>.
////////////////////////////////////////////////////////////////////////////////
#include "deviceenumerator_macos.h"
#include <QtCore/qregularexpression.h>
#include <QDebug>
#include <QTextStream>
#include <QDir>
#include <QProcess>
#include <IOKit/IOKitLib.h>
#include <IOKit/IOCFPlugIn.h>
#include <IOKit/IOBSD.h>
#include <IOKit/usb/IOUSBLib.h>
#include <sys/param.h>
// show only USB devices
#define SHOW_ONLY_USB_DEVICES
class ObjectReleaseGuard {
public:
ObjectReleaseGuard(io_object_t &object) : _object(object) {}
~ObjectReleaseGuard() { IOObjectRelease(_object); }
private:
io_object_t &_object;
};
QList<QString> USBInvalidList;
QStringList DeviceEnumerator_macos::getRemovableDeviceNames() const
{
QStringList names;
QStringList unmounted;
QProcess lsblk;
lsblk.start("diskutil", {"list"}, QIODevice::ReadOnly);
lsblk.waitForStarted();
lsblk.waitForFinished();
QString device = lsblk.readLine();
while (!lsblk.atEnd()) {
device = device.trimmed(); // Odd trailing whitespace
if (device.startsWith("/dev/disk")) {
QString name = device.split(QRegularExpression(QStringLiteral("\\s+")), Qt::SkipEmptyParts).first();
// We only want to add USB devics
if (this->checkIfUSB(name))
names << name;
}
device = lsblk.readLine();
}
return names;
}
QStringList DeviceEnumerator_macos::getUserFriendlyNames(const QStringList &devices) const
{
QStringList returnList;
foreach (QString device, devices) {
qint64 size = getSizeOfDevice(device);
QTextStream friendlyName(&device);
QString label = getFirstPartitionLabel(device);
if (label.isEmpty())
friendlyName << " [" << sizeToHuman(size) << "]";
else
friendlyName << " [" << label << ", " << sizeToHuman(size) + "]";
returnList.append(device);
}
return returnList;
}
bool DeviceEnumerator_macos::checkIsMounted(const QString &device) const
{
qDebug() << "checkIsMounted " << device;
char buf[2];
QFile mountsFile("/proc/mounts");
if (!mountsFile.open(QFile::ReadOnly)) {
qDebug() << "Failed to open" << mountsFile.fileName();
return true;
}
// QFile::atEnd() is unreliable for proc
while (mountsFile.read(buf, 1) > 0) {
QString line = mountsFile.readLine();
line.prepend(buf[0]);
if (line.contains(device))
return true;
}
return false;
}
bool DeviceEnumerator_macos::checkIfUSB(const QString &device) const
{
#ifndef SHOW_ONLY_USB_DEVICES
return true;
#endif
QProcess lssize;
lssize.start("diskutil", {"info", device}, QIODevice::ReadOnly);
lssize.waitForStarted();
lssize.waitForFinished();
QString s = lssize.readLine();
while (!lssize.atEnd()) {
if (s.contains("Protocol:") && s.contains("USB"))
return true;
s = lssize.readLine();
}
return false;
}
QStringList DeviceEnumerator_macos::getDeviceNamesFromSysfs() const
{
QStringList names;
QDir currentDir("/sys/block");
currentDir.setFilter(QDir::Dirs);
QStringList entries = currentDir.entryList();
foreach (QString device, entries) {
// Skip "." and ".." dir entries
if (device == "." || device == "..")
continue;
if (device.startsWith("sd") && checkIfUSB(device))
names << device;
}
return names;
}
qint64 DeviceEnumerator_macos::getSizeOfDevice(const QString& device) const
{
QProcess lsblk;
QString output;
lsblk.start("diskutil", {"info", device}, QIODevice::ReadOnly);
lsblk.waitForStarted();
lsblk.waitForFinished();
QString size;
output = lsblk.readLine();
while (!lsblk.atEnd()) {
output = output.trimmed(); // Odd trailing whitespace
if (output.contains("Total Size:") ||
output.contains("Disk Size:")) {
// Total Size: 574.6 MB (574619648 Bytes) (exactly 1122304 512-Byte-Units)
// on 2015 Macbook Pro 15" running MacOS Sierra beta
// Disk Size: 15.9 GB (15931539456 Bytes) (exactly 31116288 512-Byte-Units)
QStringList sizeList = output.split('(').value(1).split(' ');
size = sizeList.first().trimmed();
break;
}
output = lsblk.readLine();
}
return size.toLongLong();
}
QString DeviceEnumerator_macos::getFirstPartitionLabel(const QString& device) const
{
QProcess lsblk;
QString output;
QString label;
lsblk.start("diskutil", {"info", QString("%1s1").arg(device)}, QIODevice::ReadOnly);
lsblk.waitForStarted();
lsblk.waitForFinished();
output = lsblk.readLine();
while (!lsblk.atEnd()) {
output = output.trimmed(); // Odd trailing whitespace
if (output.contains("Volume Name:")) {
// Volume Name: UNRAID
QStringList tokens = output.split(":");
label = tokens[1].trimmed();
break;
}
output = lsblk.readLine();
}
return label;
}
QList<QVariantMap> DeviceEnumerator_macos::listBlockDevices() const
{
QList<QVariantMap> ValidList;
CFMutableDictionaryRef matchingDict;
io_iterator_t iter;
kern_return_t kr;
io_service_t usbDevice;
IOCFPlugInInterface **plugInInterface = NULL;
SInt32 score;
HRESULT res;
/* set up a matching dictionary for the class */
//matchingDict = IOServiceMatching(kIOUSBDeviceClassName);
// Issues with usb device detection since macOS Monterey (Intel only, not M1)
// related to using kIOUSBDeviceClassName instead of IOUSBHostDevice
// Ref: https://stackoverflow.com/a/70356388
matchingDict = IOServiceMatching("IOUSBHostDevice");
if (matchingDict == NULL)
{
return ValidList; // fail
}
/* Now we have a dictionary, get an iterator.*/
kr = IOServiceGetMatchingServices(kIOMasterPortDefault, matchingDict, &iter);
if (kr != KERN_SUCCESS)
{
return ValidList;
}
/* Release the iterator when done. */
ObjectReleaseGuard iterGuard(iter);
/* iterate */
while ((usbDevice = IOIteratorNext(iter)))
{
/* do something with device, eg. check properties */
/* ... */
IOUSBDeviceInterface300 **deviceInterface = NULL;
io_name_t deviceName;
UInt32 locationID;
UInt16 vendorId;
UInt16 productId;
UInt16 addr;
qint64 size;
CFStringRef deviceNameAsCFString;
CFStringRef manufacturerAsCFString;
CFStringRef serialNumberAsCFString;
CFStringRef bsdNameAsCFString;
QString deviceNameString;
QString manufacturerString;
QString serialNumberString;
QString vendorIdString;
QString productIdString;
QString bsdNameString;
QString SerialPadded;
QString GUID;
QVariantMap projectData;
/* Free the reference taken before continuing to the next item. */
ObjectReleaseGuard deviceGuard(usbDevice);
// Get the USB device's name.
kr = IORegistryEntryGetName(usbDevice, deviceName);
if (KERN_SUCCESS != kr) {
deviceName[0] = '\0';
}
deviceNameAsCFString = CFStringCreateWithCString(kCFAllocatorDefault, deviceName, kCFStringEncodingASCII);
deviceNameString = QString::fromCFString(deviceNameAsCFString);
if (deviceNameAsCFString) CFRelease(deviceNameAsCFString);
manufacturerAsCFString = (CFStringRef)IORegistryEntrySearchCFProperty(usbDevice, kIOServicePlane, CFSTR(kUSBVendorString), kCFAllocatorDefault, kIORegistryIterateRecursively);
manufacturerString = QString::fromCFString(manufacturerAsCFString);
if (manufacturerAsCFString) CFRelease(manufacturerAsCFString);
serialNumberAsCFString = (CFStringRef)IORegistryEntrySearchCFProperty(usbDevice, kIOServicePlane, CFSTR(kUSBSerialNumberString), kCFAllocatorDefault, kIORegistryIterateRecursively);
serialNumberString = QString::fromCFString(serialNumberAsCFString);
if (serialNumberAsCFString) CFRelease(serialNumberAsCFString);
/* Skip any devices that failed with 'IOCreatePlugInInterfaceForService returned 0xe00002be for device name xxxxxxx' */
if (USBInvalidList.contains(deviceNameString+manufacturerString+serialNumberString)) {
continue;
}
// Now, get the locationID of this device. In order to do this, we need to create an IOUSBDeviceInterface
// for our device. This will create the necessary connections between our userland application and the
// kernel object for the USB Device.
kr = IOCreatePlugInInterfaceForService(usbDevice, kIOUSBDeviceUserClientTypeID, kIOCFPlugInInterfaceID, &plugInInterface, &score);
if((kIOReturnSuccess != kr) || !plugInInterface) {
fprintf(stderr, "IOCreatePlugInInterfaceForService returned 0x%08x for device name %s.\n", kr, deviceName);
USBInvalidList.append(deviceNameString+manufacturerString+serialNumberString);
continue;
}
// Use the plugin interface to retrieve the device interface.
res = (*plugInInterface)->QueryInterface(plugInInterface, CFUUIDGetUUIDBytes(kIOUSBDeviceInterfaceID300), (LPVOID*) &deviceInterface);
// Now done with the plugin interface.
(*plugInInterface)->Release(plugInInterface);
if(res || deviceInterface == NULL) {
fprintf(stderr, "QueryInterface returned 0x%08x.\n", (int) res);
continue;
}
// Now that we have the IOUSBDeviceInterface, we can call the routines in IOUSBLib.h.
// In this case, fetch the locationID. The locationID uniquely identifies the device
// and will remain the same, even across reboots, so long as the bus topology doesn't change.
kr = (*deviceInterface)->GetLocationID(deviceInterface, &locationID);
if(KERN_SUCCESS != kr) {
fprintf(stderr, "GetLocationID returned 0x%08x.\n", kr);
continue;
}
kr = (*deviceInterface)->GetDeviceAddress(deviceInterface, &addr);
if(KERN_SUCCESS != kr) {
fprintf(stderr, "GetDeviceAddress returned 0x%08x.\n", kr);
continue;
}
kr = (*deviceInterface)->GetDeviceVendor(deviceInterface, &vendorId);
if(KERN_SUCCESS == kr) {
vendorIdString = QString::number(vendorId, 16).rightJustified(4, '0').right(4);
} else {
fprintf(stderr, "GetDeviceVendor returned 0x%08x.\n", kr);
}
kr = (*deviceInterface)->GetDeviceProduct(deviceInterface, &productId);
if(KERN_SUCCESS == kr) {
productIdString = QString::number(productId, 16).rightJustified(4, '0').right(4);
} else {
fprintf(stderr, "GetDeviceProduct returned 0x%08x.\n", kr);
}
bsdNameAsCFString = (CFStringRef)IORegistryEntrySearchCFProperty(usbDevice, kIOServicePlane, CFSTR(kIOBSDNameKey), kCFAllocatorDefault, kIORegistryIterateRecursively);
bsdNameString = "/dev/" + QString::fromCFString(bsdNameAsCFString);
if (bsdNameAsCFString) CFRelease(bsdNameAsCFString);
SerialPadded = QString(serialNumberString).rightJustified(16, '0').right(16);
GUID = (vendorIdString + "-" + productIdString + "-" + SerialPadded.left(4) + "-" + SerialPadded.mid(4)).toUpper();
size = getSizeOfDevice(bsdNameString);
if (size == 0) {
// Skip
continue;
}
projectData.insert("pid", productIdString);
projectData.insert("vid", vendorIdString);
projectData.insert("serial", serialNumberString);
projectData.insert("guid", GUID);
projectData.insert("name", deviceNameString);
projectData.insert("size", size);
projectData.insert("dev", bsdNameString);
ValidList.append(projectData);
}
return ValidList;
}