/* * Copyright (c) 2014 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #include "device.h" #include "storage/storage.h" #include "usb/usb.h" #include <IOKit/storage/IOMedia.h> #include <IOKit/usb/IOUSBLib.h> CFDictionaryRef _DeviceCopyIdentifier( io_service_t service ) { CFDictionaryRef identifier = 0; if ( IOObjectConformsTo( service, kIOMediaClass ) ) { identifier = _IOMediaCopyIdentifier( service ); } else if ( IOObjectConformsTo( service, kIOUSBDeviceClassName ) ) { identifier = _IOUSBDeviceCopyIdentifier( service ); } return identifier; } CFStringRef _DeviceCopyName( CFDictionaryRef identifier ) { CFStringRef class; CFStringRef name = 0; class = CFDictionaryGetValue( identifier, CFSTR( kIOProviderClassKey ) ); if ( CFEqual( class, CFSTR( kIOMediaClass ) ) ) { name = _IOMediaCopyName( identifier ); } else if ( CFEqual( class, CFSTR( kIOUSBDeviceClassName ) ) ) { name = _IOUSBDeviceCopyName( identifier ); } return name; } Boolean _DeviceIsEqual( CFDictionaryRef identifier1, CFDictionaryRef identifier2 ) { CFStringRef class; Boolean equal = FALSE; class = CFDictionaryGetValue( identifier1, CFSTR( kIOProviderClassKey ) ); if ( CFEqual( class, CFDictionaryGetValue( identifier2, CFSTR( kIOProviderClassKey ) ) ) ) { if ( CFEqual( class, CFSTR( kIOMediaClass ) ) ) { equal = _IOMediaIsEqual( identifier1, identifier2 ); } else if ( CFEqual( class, CFSTR( kIOUSBDeviceClassName ) ) ) { equal = _IOUSBDeviceIsEqual( identifier1, identifier2 ); } } return equal; } Boolean _DeviceIsValid( io_service_t service ) { Boolean valid = FALSE; if ( IOObjectConformsTo( service, kIOMediaClass ) ) { valid = _IOMediaIsValid( service ); } else if ( IOObjectConformsTo( service, kIOUSBDeviceClassName ) ) { valid = _IOUSBDeviceIsValid( service ); } return valid; }