| 1 | /* $Id: tstOpenUSBDev.cpp 44528 2013-02-04 14:27:54Z vboxsync $ */
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| 2 | /** @file
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| 3 | * Testcase that attempts to locate and open the specfied device.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2011 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 |
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| 19 | /*******************************************************************************
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| 20 | * Header Files *
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| 21 | *******************************************************************************/
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| 22 | #include <mach/mach.h>
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| 23 | #include <Carbon/Carbon.h>
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| 24 | #include <IOKit/IOKitLib.h>
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| 25 | #include <IOKit/storage/IOStorageDeviceCharacteristics.h>
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| 26 | #include <IOKit/scsi/SCSITaskLib.h>
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| 27 | #include <mach/mach_error.h>
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| 28 | #include <IOKit/usb/IOUSBLib.h>
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| 29 | #include <IOKit/IOCFPlugIn.h>
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| 30 |
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| 31 | #include <iprt/mem.h>
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| 32 | #include <iprt/string.h>
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| 33 | #include <iprt/process.h>
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| 34 | #include <iprt/assert.h>
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| 35 | #include <iprt/thread.h>
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| 36 | #include <iprt/getopt.h>
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| 37 | #include <iprt/initterm.h>
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| 38 | #include <iprt/stream.h>
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| 39 |
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| 40 | /**
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| 41 | * Gets an unsigned 32-bit integer value.
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| 42 | *
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| 43 | * @returns Success indicator (true/false).
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| 44 | * @param DictRef The dictionary.
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| 45 | * @param KeyStrRef The key name.
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| 46 | * @param pu32 Where to store the key value.
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| 47 | */
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| 48 | static bool tstDictGetU32(CFMutableDictionaryRef DictRef, CFStringRef KeyStrRef, uint32_t *pu32)
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| 49 | {
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| 50 | CFTypeRef ValRef = CFDictionaryGetValue(DictRef, KeyStrRef);
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| 51 | if (ValRef)
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| 52 | {
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| 53 | if (CFNumberGetValue((CFNumberRef)ValRef, kCFNumberSInt32Type, pu32))
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| 54 | return true;
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| 55 | }
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| 56 | *pu32 = 0;
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| 57 | return false;
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| 58 | }
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| 59 |
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| 60 |
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| 61 | /**
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| 62 | * Gets an unsigned 64-bit integer value.
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| 63 | *
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| 64 | * @returns Success indicator (true/false).
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| 65 | * @param DictRef The dictionary.
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| 66 | * @param KeyStrRef The key name.
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| 67 | * @param pu64 Where to store the key value.
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| 68 | */
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| 69 | static bool tstDictGetU64(CFMutableDictionaryRef DictRef, CFStringRef KeyStrRef, uint64_t *pu64)
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| 70 | {
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| 71 | CFTypeRef ValRef = CFDictionaryGetValue(DictRef, KeyStrRef);
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| 72 | if (ValRef)
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| 73 | {
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| 74 | if (CFNumberGetValue((CFNumberRef)ValRef, kCFNumberSInt64Type, pu64))
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| 75 | return true;
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| 76 | }
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| 77 | *pu64 = 0;
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| 78 | return false;
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| 79 | }
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| 80 |
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| 81 |
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| 82 | static int tstDoWork(io_object_t USBDevice, mach_port_t MasterPort, const char *argv0)
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| 83 | {
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| 84 | /*
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| 85 | * Create a plugin interface for the device and query its IOUSBDeviceInterface.
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| 86 | */
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| 87 | int vrc = VINF_SUCCESS;
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| 88 | SInt32 Score = 0;
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| 89 | IOCFPlugInInterface **ppPlugInInterface = NULL;
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| 90 | IOReturn irc = IOCreatePlugInInterfaceForService(USBDevice, kIOUSBDeviceUserClientTypeID,
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| 91 | kIOCFPlugInInterfaceID, &ppPlugInInterface, &Score);
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| 92 | if (irc == kIOReturnSuccess)
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| 93 | {
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| 94 | IOUSBDeviceInterface245 **ppDevI = NULL;
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| 95 | HRESULT hrc = (*ppPlugInInterface)->QueryInterface(ppPlugInInterface,
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| 96 | CFUUIDGetUUIDBytes(kIOUSBDeviceInterfaceID245),
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| 97 | (LPVOID *)&ppDevI);
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| 98 | irc = IODestroyPlugInInterface(ppPlugInInterface); Assert(irc == kIOReturnSuccess);
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| 99 | ppPlugInInterface = NULL;
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| 100 | if (hrc == S_OK)
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| 101 | {
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| 102 | /*
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| 103 | * Try open the device for exclusive access.
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| 104 | */
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| 105 | irc = (*ppDevI)->USBDeviceOpenSeize(ppDevI);
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| 106 | if (irc == kIOReturnExclusiveAccess)
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| 107 | {
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| 108 | RTThreadSleep(20);
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| 109 | irc = (*ppDevI)->USBDeviceOpenSeize(ppDevI);
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| 110 | }
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| 111 | if (irc == kIOReturnSuccess)
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| 112 | {
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| 113 | #if 0
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| 114 | /*
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| 115 | * Re-enumerate the device and bail out.
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| 116 | */
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| 117 | irc = (*ppDevI)->USBDeviceReEnumerate(ppDevI, 0);
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| 118 | if (irc != kIOReturnSuccess)
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| 119 | {
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| 120 | vrc = RTErrConvertFromDarwinIO(irc);
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| 121 | RTPrintf("%s: Failed to re-enumerate the device, irc=%#x (vrc=%Rrc).\n", argv0, irc, vrc);
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| 122 | }
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| 123 | #endif
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| 124 |
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| 125 | (*ppDevI)->USBDeviceClose(ppDevI);
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| 126 | }
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| 127 | else if (irc == kIOReturnExclusiveAccess)
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| 128 | {
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| 129 | vrc = VERR_SHARING_VIOLATION;
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| 130 | RTPrintf("%s: The device is being used by another process (irc=kIOReturnExclusiveAccess)\n", argv0);
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| 131 | }
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| 132 | else
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| 133 | {
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| 134 | vrc = VERR_OPEN_FAILED;
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| 135 | RTPrintf("%s: Failed to open the device, irc=%#x (vrc=%Rrc).\n", argv0, irc, vrc);
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| 136 | }
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| 137 | }
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| 138 | else
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| 139 | {
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| 140 | vrc = VERR_OPEN_FAILED;
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| 141 | RTPrintf("%s: Failed to create plugin interface for the device, hrc=%#x (vrc=%Rrc).\n", argv0, hrc, vrc);
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| 142 | }
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| 143 |
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| 144 | (*ppDevI)->Release(ppDevI);
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| 145 | }
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| 146 | else
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| 147 | {
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| 148 | vrc = RTErrConvertFromDarwinIO(irc);
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| 149 | RTPrintf("%s: Failed to open the device, plug-in creation failed with irc=%#x (vrc=%Rrc).\n", argv0, irc, vrc);
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| 150 | }
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| 151 |
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| 152 | return vrc;
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| 153 | }
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| 154 |
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| 155 |
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| 156 | static int tstSyntax(const char *argv0)
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| 157 | {
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| 158 | RTPrintf("syntax: %s [criteria]\n"
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| 159 | "\n"
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| 160 | "Criteria:\n"
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| 161 | " -l <location>\n"
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| 162 | " -s <session>\n"
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| 163 | , argv0);
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| 164 | return 1;
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| 165 | }
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| 166 |
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| 167 |
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| 168 | int main(int argc, char **argv)
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| 169 | {
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| 170 | RTR3InitExe(argc, &argv, 0);
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| 171 |
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| 172 | /*
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| 173 | * Show help if not arguments.
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| 174 | */
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| 175 | if (argc <= 1)
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| 176 | return tstSyntax(argv[0]);
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| 177 |
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| 178 | /*
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| 179 | * Parse arguments.
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| 180 | */
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| 181 | static const RTGETOPTDEF g_aOptions[] =
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| 182 | {
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| 183 | { "--location", 'l', RTGETOPT_REQ_UINT32 },
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| 184 | { "--session", 's', RTGETOPT_REQ_UINT64 },
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| 185 | };
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| 186 |
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| 187 | kern_return_t krc;
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| 188 | uint64_t u64SessionId = 0;
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| 189 | uint32_t u32LocationId = 0;
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| 190 |
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| 191 | int ch;
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| 192 | int i = 1;
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| 193 | RTGETOPTUNION ValueUnion;
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| 194 | RTGETOPTSTATE GetState;
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| 195 | RTGetOptInit(&GetState, argc, argv, g_aOptions, RT_ELEMENTS(g_aOptions), 1, 0 /* fFlags */);
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| 196 | while ((ch = RTGetOpt(&GetState, &ValueUnion)))
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| 197 | {
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| 198 | switch (ch)
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| 199 | {
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| 200 | case 'l':
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| 201 | u32LocationId = ValueUnion.u32;
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| 202 | break;
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| 203 | case 's':
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| 204 | u64SessionId = ValueUnion.u64;
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| 205 | break;
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| 206 | case 'h':
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| 207 | return tstSyntax(argv[0]);
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| 208 | case 'V':
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| 209 | RTPrintf("$Revision: 44528 $\n");
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| 210 | return 0;
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| 211 |
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| 212 | default:
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| 213 | return RTGetOptPrintError(ch, &ValueUnion);
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| 214 | }
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| 215 | }
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| 216 |
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| 217 | /*
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| 218 | * Open the master port.
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| 219 | */
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| 220 | mach_port_t MasterPort = NULL;
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| 221 | krc = IOMasterPort(MACH_PORT_NULL, &MasterPort);
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| 222 | if (krc != KERN_SUCCESS)
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| 223 | {
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| 224 | RTPrintf("%s: IOMasterPort -> %x\n", argv[0], krc);
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| 225 | return 1;
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| 226 | }
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| 227 |
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| 228 | /*
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| 229 | * Iterate the USB devices and find all that matches.
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| 230 | */
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| 231 | CFMutableDictionaryRef RefMatchingDict = IOServiceMatching(kIOUSBDeviceClassName);
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| 232 | if (!RefMatchingDict)
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| 233 | {
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| 234 | RTPrintf("%s: IOServiceMatching failed\n", argv[0]);
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| 235 | return 1;
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| 236 | }
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| 237 |
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| 238 | io_iterator_t USBDevices = NULL;
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| 239 | IOReturn irc = IOServiceGetMatchingServices(MasterPort, RefMatchingDict, &USBDevices);
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| 240 | if (irc != kIOReturnSuccess)
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| 241 | {
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| 242 | RTPrintf("%s: IOServiceGetMatchingServices -> %#x\n", argv[0], irc);
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| 243 | return 1;
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| 244 | }
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| 245 | RefMatchingDict = NULL; /* the reference is consumed by IOServiceGetMatchingServices. */
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| 246 |
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| 247 | unsigned cDevices = 0;
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| 248 | unsigned cMatches = 0;
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| 249 | io_object_t USBDevice;
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| 250 | while ((USBDevice = IOIteratorNext(USBDevices)))
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| 251 | {
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| 252 | cDevices++;
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| 253 | CFMutableDictionaryRef PropsRef = 0;
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| 254 | krc = IORegistryEntryCreateCFProperties(USBDevice, &PropsRef, kCFAllocatorDefault, kNilOptions);
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| 255 | if (krc == KERN_SUCCESS)
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| 256 | {
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| 257 | uint64_t u64CurSessionId;
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| 258 | uint32_t u32CurLocationId;
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| 259 | if ( ( !u64SessionId
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| 260 | || ( tstDictGetU64(PropsRef, CFSTR("sessionID"), &u64CurSessionId)
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| 261 | && u64CurSessionId == u64SessionId))
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| 262 | && ( !u32LocationId
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| 263 | || ( tstDictGetU32(PropsRef, CFSTR(kUSBDevicePropertyLocationID), &u32CurLocationId)
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| 264 | && u32CurLocationId == u32LocationId))
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| 265 | )
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| 266 | {
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| 267 | cMatches++;
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| 268 | CFRelease(PropsRef);
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| 269 | tstDoWork(USBDevice, MasterPort, argv[0]);
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| 270 | }
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| 271 | else
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| 272 | CFRelease(PropsRef);
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| 273 | }
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| 274 | IOObjectRelease(USBDevice);
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| 275 | }
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| 276 | IOObjectRelease(USBDevices);
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| 277 |
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| 278 | /*
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| 279 | * Bitch if we didn't find anything matching the criteria.
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| 280 | */
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| 281 | if (!cMatches)
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| 282 | RTPrintf("%s: No matching devices found from a total of %d.\n", argv[0], cDevices);
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| 283 | return !cMatches;
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| 284 | }
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| 285 |
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