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/* $Id: tstOpenUSBDev.cpp $ */
/** @file
* Testcase that attempts to locate and open the specified device.
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <mach/mach.h>
#include <Carbon/Carbon.h>
#include <IOKit/IOKitLib.h>
#include <IOKit/storage/IOStorageDeviceCharacteristics.h>
#include <IOKit/scsi/SCSITaskLib.h>
#include <mach/mach_error.h>
#include <IOKit/usb/IOUSBLib.h>
#include <IOKit/IOCFPlugIn.h>
#include <iprt/err.h>
#include <iprt/mem.h>
#include <iprt/string.h>
#include <iprt/process.h>
#include <iprt/assert.h>
#include <iprt/thread.h>
#include <iprt/getopt.h>
#include <iprt/initterm.h>
#include <iprt/stream.h>
/**
* Gets an unsigned 32-bit integer value.
*
* @returns Success indicator (true/false).
* @param DictRef The dictionary.
* @param KeyStrRef The key name.
* @param pu32 Where to store the key value.
*/
static bool tstDictGetU32(CFMutableDictionaryRef DictRef, CFStringRef KeyStrRef, uint32_t *pu32)
{
CFTypeRef ValRef = CFDictionaryGetValue(DictRef, KeyStrRef);
if (ValRef)
{
if (CFNumberGetValue((CFNumberRef)ValRef, kCFNumberSInt32Type, pu32))
return true;
}
*pu32 = 0;
return false;
}
/**
* Gets an unsigned 64-bit integer value.
*
* @returns Success indicator (true/false).
* @param DictRef The dictionary.
* @param KeyStrRef The key name.
* @param pu64 Where to store the key value.
*/
static bool tstDictGetU64(CFMutableDictionaryRef DictRef, CFStringRef KeyStrRef, uint64_t *pu64)
{
CFTypeRef ValRef = CFDictionaryGetValue(DictRef, KeyStrRef);
if (ValRef)
{
if (CFNumberGetValue((CFNumberRef)ValRef, kCFNumberSInt64Type, pu64))
return true;
}
*pu64 = 0;
return false;
}
static int tstDoWork(io_object_t USBDevice, const char *argv0)
{
/*
* Create a plugin interface for the device and query its IOUSBDeviceInterface.
*/
int vrc = VINF_SUCCESS;
SInt32 Score = 0;
IOCFPlugInInterface **ppPlugInInterface = NULL;
IOReturn irc = IOCreatePlugInInterfaceForService(USBDevice, kIOUSBDeviceUserClientTypeID,
kIOCFPlugInInterfaceID, &ppPlugInInterface, &Score);
if (irc == kIOReturnSuccess)
{
IOUSBDeviceInterface245 **ppDevI = NULL;
HRESULT hrc = (*ppPlugInInterface)->QueryInterface(ppPlugInInterface,
CFUUIDGetUUIDBytes(kIOUSBDeviceInterfaceID245),
(LPVOID *)&ppDevI);
irc = IODestroyPlugInInterface(ppPlugInInterface); Assert(irc == kIOReturnSuccess);
ppPlugInInterface = NULL;
if (hrc == S_OK)
{
/*
* Try open the device for exclusive access.
*/
irc = (*ppDevI)->USBDeviceOpenSeize(ppDevI);
if (irc == kIOReturnExclusiveAccess)
{
RTThreadSleep(20);
irc = (*ppDevI)->USBDeviceOpenSeize(ppDevI);
}
if (irc == kIOReturnSuccess)
{
#if 0
/*
* Re-enumerate the device and bail out.
*/
irc = (*ppDevI)->USBDeviceReEnumerate(ppDevI, 0);
if (irc != kIOReturnSuccess)
{
vrc = RTErrConvertFromDarwinIO(irc);
RTPrintf("%s: Failed to re-enumerate the device, irc=%#x (vrc=%Rrc).\n", argv0, irc, vrc);
}
#endif
(*ppDevI)->USBDeviceClose(ppDevI);
}
else if (irc == kIOReturnExclusiveAccess)
{
vrc = VERR_SHARING_VIOLATION;
RTPrintf("%s: The device is being used by another process (irc=kIOReturnExclusiveAccess)\n", argv0);
}
else
{
vrc = VERR_OPEN_FAILED;
RTPrintf("%s: Failed to open the device, irc=%#x (vrc=%Rrc).\n", argv0, irc, vrc);
}
}
else
{
vrc = VERR_OPEN_FAILED;
RTPrintf("%s: Failed to create plugin interface for the device, hrc=%#x (vrc=%Rrc).\n", argv0, hrc, vrc);
}
(*ppDevI)->Release(ppDevI);
}
else
{
vrc = RTErrConvertFromDarwinIO(irc);
RTPrintf("%s: Failed to open the device, plug-in creation failed with irc=%#x (vrc=%Rrc).\n", argv0, irc, vrc);
}
return vrc;
}
static int tstSyntax(const char *argv0)
{
RTPrintf("syntax: %s [criteria]\n"
"\n"
"Criteria:\n"
" -l <location>\n"
" -s <session>\n"
, argv0);
return 1;
}
int main(int argc, char **argv)
{
RTR3InitExe(argc, &argv, 0);
/*
* Show help if not arguments.
*/
if (argc <= 1)
return tstSyntax(argv[0]);
/*
* Parse arguments.
*/
static const RTGETOPTDEF g_aOptions[] =
{
{ "--location", 'l', RTGETOPT_REQ_UINT32 },
{ "--session", 's', RTGETOPT_REQ_UINT64 },
};
kern_return_t krc;
uint64_t u64SessionId = 0;
uint32_t u32LocationId = 0;
int ch;
RTGETOPTUNION ValueUnion;
RTGETOPTSTATE GetState;
RTGetOptInit(&GetState, argc, argv, g_aOptions, RT_ELEMENTS(g_aOptions), 1, 0 /* fFlags */);
while ((ch = RTGetOpt(&GetState, &ValueUnion)))
{
switch (ch)
{
case 'l':
u32LocationId = ValueUnion.u32;
break;
case 's':
u64SessionId = ValueUnion.u64;
break;
case 'h':
return tstSyntax(argv[0]);
case 'V':
RTPrintf("$Revision: 127855 $\n");
return 0;
default:
return RTGetOptPrintError(ch, &ValueUnion);
}
}
/*
* Open the master port.
*/
mach_port_t MasterPort = MACH_PORT_NULL;
krc = IOMasterPort(MACH_PORT_NULL, &MasterPort);
if (krc != KERN_SUCCESS)
{
RTPrintf("%s: IOMasterPort -> %x\n", argv[0], krc);
return 1;
}
/*
* Iterate the USB devices and find all that matches.
*/
CFMutableDictionaryRef RefMatchingDict = IOServiceMatching(kIOUSBDeviceClassName);
if (!RefMatchingDict)
{
RTPrintf("%s: IOServiceMatching failed\n", argv[0]);
return 1;
}
io_iterator_t USBDevices = IO_OBJECT_NULL;
IOReturn irc = IOServiceGetMatchingServices(MasterPort, RefMatchingDict, &USBDevices);
if (irc != kIOReturnSuccess)
{
RTPrintf("%s: IOServiceGetMatchingServices -> %#x\n", argv[0], irc);
return 1;
}
RefMatchingDict = NULL; /* the reference is consumed by IOServiceGetMatchingServices. */
unsigned cDevices = 0;
unsigned cMatches = 0;
io_object_t USBDevice;
while ((USBDevice = IOIteratorNext(USBDevices)))
{
cDevices++;
CFMutableDictionaryRef PropsRef = 0;
krc = IORegistryEntryCreateCFProperties(USBDevice, &PropsRef, kCFAllocatorDefault, kNilOptions);
if (krc == KERN_SUCCESS)
{
uint64_t u64CurSessionId;
uint32_t u32CurLocationId;
if ( ( !u64SessionId
|| ( tstDictGetU64(PropsRef, CFSTR("sessionID"), &u64CurSessionId)
&& u64CurSessionId == u64SessionId))
&& ( !u32LocationId
|| ( tstDictGetU32(PropsRef, CFSTR(kUSBDevicePropertyLocationID), &u32CurLocationId)
&& u32CurLocationId == u32LocationId))
)
{
cMatches++;
CFRelease(PropsRef);
tstDoWork(USBDevice, argv[0]);
}
else
CFRelease(PropsRef);
}
IOObjectRelease(USBDevice);
}
IOObjectRelease(USBDevices);
/*
* Bitch if we didn't find anything matching the criteria.
*/
if (!cMatches)
RTPrintf("%s: No matching devices found from a total of %d.\n", argv[0], cDevices);
return !cMatches;
}
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