1 | /* $Id: RTSystemQueryDmiString-darwin.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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2 | /** @file
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3 | * IPRT - RTSystemQueryDmiString, darwin ring-3.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2010-2019 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 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | */
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26 |
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27 |
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28 | /*********************************************************************************************************************************
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29 | * Header Files *
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30 | *********************************************************************************************************************************/
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31 | #include <iprt/system.h>
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32 | #include "internal/iprt.h"
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33 |
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34 | #include <iprt/assert.h>
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35 | #include <iprt/err.h>
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36 | #include <iprt/mem.h>
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37 | #include <iprt/string.h>
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38 |
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39 | #include <mach/mach_port.h>
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40 | #include <IOKit/IOKitLib.h>
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41 |
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42 |
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43 | /*********************************************************************************************************************************
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44 | * Defined Constants And Macros *
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45 | *********************************************************************************************************************************/
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46 | #define IOCLASS_PLATFORMEXPERTDEVICE "IOPlatformExpertDevice"
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47 | #define PROP_PRODUCT_NAME "product-name"
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48 | #define PROP_PRODUCT_VERSION "version"
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49 | #define PROP_PRODUCT_SERIAL "IOPlatformSerialNumber"
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50 | #define PROP_PRODUCT_UUID "IOPlatformUUID"
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51 | #define PROP_MANUFACTURER "manufacturer"
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52 |
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53 |
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54 | RTDECL(int) RTSystemQueryDmiString(RTSYSDMISTR enmString, char *pszBuf, size_t cbBuf)
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55 | {
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56 | AssertPtrReturn(pszBuf, VERR_INVALID_POINTER);
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57 | AssertReturn(cbBuf > 0, VERR_INVALID_PARAMETER);
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58 | *pszBuf = '\0';
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59 | AssertReturn(enmString > RTSYSDMISTR_INVALID && enmString < RTSYSDMISTR_END, VERR_INVALID_PARAMETER);
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60 |
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61 | CFStringRef PropStringRef = NULL;
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62 | switch (enmString)
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63 | {
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64 | case RTSYSDMISTR_PRODUCT_NAME: PropStringRef = CFSTR(PROP_PRODUCT_NAME); break;
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65 | case RTSYSDMISTR_PRODUCT_VERSION: PropStringRef = CFSTR(PROP_PRODUCT_VERSION); break;
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66 | case RTSYSDMISTR_PRODUCT_SERIAL: PropStringRef = CFSTR(PROP_PRODUCT_SERIAL); break;
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67 | case RTSYSDMISTR_PRODUCT_UUID: PropStringRef = CFSTR(PROP_PRODUCT_UUID); break;
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68 | case RTSYSDMISTR_MANUFACTURER: PropStringRef = CFSTR(PROP_MANUFACTURER); break;
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69 | default:
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70 | return VERR_NOT_SUPPORTED;
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71 | }
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72 |
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73 | mach_port_t MasterPort;
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74 | kern_return_t kr = IOMasterPort(MACH_PORT_NULL, &MasterPort);
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75 | if (kr != kIOReturnSuccess)
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76 | {
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77 | if (kr == KERN_NO_ACCESS)
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78 | return VERR_ACCESS_DENIED;
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79 | return RTErrConvertFromDarwinIO(kr);
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80 | }
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81 |
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82 | CFDictionaryRef ClassToMatch = IOServiceMatching(IOCLASS_PLATFORMEXPERTDEVICE);
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83 | if (!ClassToMatch)
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84 | return VERR_NOT_SUPPORTED;
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85 |
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86 | /* IOServiceGetMatchingServices will always consume ClassToMatch. */
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87 | io_iterator_t Iterator;
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88 | kr = IOServiceGetMatchingServices(MasterPort, ClassToMatch, &Iterator);
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89 | if (kr != kIOReturnSuccess)
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90 | return RTErrConvertFromDarwinIO(kr);
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91 |
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92 | int rc = VERR_NOT_SUPPORTED;
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93 | io_service_t ServiceObject;
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94 | while ((ServiceObject = IOIteratorNext(Iterator)))
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95 | {
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96 | if ( enmString == RTSYSDMISTR_PRODUCT_NAME
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97 | || enmString == RTSYSDMISTR_PRODUCT_VERSION
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98 | || enmString == RTSYSDMISTR_MANUFACTURER
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99 | )
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100 | {
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101 | CFDataRef DataRef = (CFDataRef)IORegistryEntryCreateCFProperty(ServiceObject, PropStringRef,
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102 | kCFAllocatorDefault, kNilOptions);
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103 | if (DataRef)
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104 | {
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105 | size_t cbData = CFDataGetLength(DataRef);
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106 | const char *pchData = (const char *)CFDataGetBytePtr(DataRef);
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107 | rc = RTStrCopyEx(pszBuf, cbBuf, pchData, cbData);
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108 | CFRelease(DataRef);
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109 | break;
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110 | }
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111 | }
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112 | else
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113 | {
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114 | CFStringRef StringRef = (CFStringRef)IORegistryEntryCreateCFProperty(ServiceObject, PropStringRef,
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115 | kCFAllocatorDefault, kNilOptions);
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116 | if (StringRef)
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117 | {
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118 | Boolean fRc = CFStringGetCString(StringRef, pszBuf, cbBuf, kCFStringEncodingUTF8);
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119 | if (fRc)
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120 | rc = VINF_SUCCESS;
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121 | else
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122 | {
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123 | CFIndex cwc = CFStringGetLength(StringRef);
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124 | size_t cbTmp = cwc + 1;
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125 | char *pszTmp = (char *)RTMemTmpAlloc(cbTmp);
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126 | int cTries = 1;
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127 | while ( pszTmp
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128 | && (fRc = CFStringGetCString(StringRef, pszTmp, cbTmp, kCFStringEncodingUTF8)) == FALSE
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129 | && cTries++ < 4)
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130 | {
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131 | RTMemTmpFree(pszTmp);
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132 | cbTmp *= 2;
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133 | pszTmp = (char *)RTMemTmpAlloc(cbTmp);
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134 | }
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135 | if (fRc)
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136 | rc = RTStrCopy(pszBuf, cbBuf, pszTmp);
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137 | else if (!pszTmp)
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138 | rc = VERR_NO_TMP_MEMORY;
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139 | else
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140 | rc = VERR_ACCESS_DENIED;
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141 | RTMemFree(pszTmp);
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142 | }
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143 | CFRelease(StringRef);
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144 | break;
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145 | }
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146 | }
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147 | }
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148 |
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149 | IOObjectRelease(ServiceObject);
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150 | IOObjectRelease(Iterator);
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151 | return rc;
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152 | }
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153 |
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