The Tor Browser: xpcom/base/nsSystemInfo.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 50; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "mozilla/ArrayUtils.h"

     8 #include "nsSystemInfo.h"

     9 #include "prsystem.h"

    10 #include "prio.h"

    11 #include "prprf.h"

    12 #include "mozilla/SSE.h"

    13 #include "mozilla/arm.h"

    15 #ifdef XP_WIN

    16 #include <windows.h>

    17 #include <winioctl.h>

    18 #include "base/scoped_handle_win.h"

    19 #include "nsAppDirectoryServiceDefs.h"

    20 #include "nsDirectoryServiceDefs.h"

    21 #include "nsDirectoryServiceUtils.h"

    22 #endif

    24 #ifdef MOZ_WIDGET_GTK

    25 #include <gtk/gtk.h>

    26 #endif

    28 #ifdef MOZ_WIDGET_ANDROID

    29 #include "AndroidBridge.h"

    30 using namespace mozilla::widget::android;

    31 #endif

    33 #ifdef MOZ_WIDGET_GONK

    34 #include <sys/system_properties.h>

    35 #endif

    37 #ifdef ANDROID

    38 extern "C" {

    39 NS_EXPORT int android_sdk_version;

    40 }

    41 #endif

    43 // Slot for NS_InitXPCOM2 to pass information to nsSystemInfo::Init.

    44 // Only set to nonzero (potentially) if XP_UNIX.  On such systems, the

    45 // system call to discover the appropriate value is not thread-safe,

    46 // so we must call it before going multithreaded, but nsSystemInfo::Init

    47 // only happens well after that point.

    48 uint32_t nsSystemInfo::gUserUmask = 0;

    50 #if defined(XP_WIN)

    51 namespace {

    52 nsresult GetHDDInfo(const char* aSpecialDirName, nsAutoCString& aModel,

    53                     nsAutoCString& aRevision)

    54 {

    55     aModel.Truncate();

    56     aRevision.Truncate();

    58     nsCOMPtr<nsIFile> profDir;

    59     nsresult rv = NS_GetSpecialDirectory(aSpecialDirName,

    60                                          getter_AddRefs(profDir));

    61     NS_ENSURE_SUCCESS(rv, rv);

    62     nsAutoString profDirPath;

    63     rv = profDir->GetPath(profDirPath);

    64     NS_ENSURE_SUCCESS(rv, rv);

    65     wchar_t volumeMountPoint[MAX_PATH] = {L'\\', L'\\', L'.', L'\\'};

    66     const size_t PREFIX_LEN = 4;

    67     if (!::GetVolumePathNameW(profDirPath.get(), volumeMountPoint + PREFIX_LEN,

    68                               mozilla::ArrayLength(volumeMountPoint) -

    69                               PREFIX_LEN)) {

    70         return NS_ERROR_UNEXPECTED;

    71     }

    72     size_t volumeMountPointLen = wcslen(volumeMountPoint);

    73     // Since we would like to open a drive and not a directory, we need to

    74     // remove any trailing backslash. A drive handle is valid for

    75     // DeviceIoControl calls, a directory handle is not.

    76     if (volumeMountPoint[volumeMountPointLen - 1] == L'\\') {

    77       volumeMountPoint[volumeMountPointLen - 1] = L'\0';

    78     }

    79     ScopedHandle handle(::CreateFileW(volumeMountPoint, 0,

    80                                       FILE_SHARE_READ | FILE_SHARE_WRITE,

    81                                       nullptr, OPEN_EXISTING, 0, nullptr));

    82     if (!handle.IsValid()) {

    83         return NS_ERROR_UNEXPECTED;

    84     }

    85     STORAGE_PROPERTY_QUERY queryParameters = {StorageDeviceProperty,

    86                                               PropertyStandardQuery};

    87     STORAGE_DEVICE_DESCRIPTOR outputHeader = {sizeof(STORAGE_DEVICE_DESCRIPTOR)};

    88     DWORD bytesRead = 0;

    89     if (!::DeviceIoControl(handle, IOCTL_STORAGE_QUERY_PROPERTY,

    90                            &queryParameters, sizeof(queryParameters),

    91                            &outputHeader, sizeof(outputHeader), &bytesRead,

    92                            nullptr)) {

    93         return NS_ERROR_FAILURE;

    94     }

    95     PSTORAGE_DEVICE_DESCRIPTOR deviceOutput =

    96                           (PSTORAGE_DEVICE_DESCRIPTOR)malloc(outputHeader.Size);

    97     if (!::DeviceIoControl(handle, IOCTL_STORAGE_QUERY_PROPERTY,

    98                            &queryParameters, sizeof(queryParameters),

    99                            deviceOutput, outputHeader.Size, &bytesRead,

   100                            nullptr)) {

   101         free(deviceOutput);

   102         return NS_ERROR_FAILURE;

   103     }

   104     // Some HDDs are including product ID info in the vendor field. Since PNP

   105     // IDs include vendor info and product ID concatenated together, we'll do

   106     // that here and interpret the result as a unique ID for the HDD model.

   107     if (deviceOutput->VendorIdOffset) {

   108         aModel = reinterpret_cast<char*>(deviceOutput) +

   109                      deviceOutput->VendorIdOffset;

   110     }

   111     if (deviceOutput->ProductIdOffset) {

   112         aModel += reinterpret_cast<char*>(deviceOutput) +

   113                       deviceOutput->ProductIdOffset;

   114     }

   115     aModel.CompressWhitespace();

   116     if (deviceOutput->ProductRevisionOffset) {

   117         aRevision = reinterpret_cast<char*>(deviceOutput) +

   118                         deviceOutput->ProductRevisionOffset;

   119         aRevision.CompressWhitespace();

   120     }

   121     free(deviceOutput);

   122     return NS_OK;

   123 }

   124 } // anonymous namespace

   125 #endif // defined(XP_WIN)

   127 using namespace mozilla;

   129 nsSystemInfo::nsSystemInfo()

   130 {

   131 }

   133 nsSystemInfo::~nsSystemInfo()

   134 {

   135 }

   137 // CPU-specific information.

   138 static const struct PropItems {

   139     const char *name;

   140     bool (*propfun)(void);

   141 } cpuPropItems[] = {

   142     // x86-specific bits.

   143     { "hasMMX", mozilla::supports_mmx },

   144     { "hasSSE", mozilla::supports_sse },

   145     { "hasSSE2", mozilla::supports_sse2 },

   146     { "hasSSE3", mozilla::supports_sse3 },

   147     { "hasSSSE3", mozilla::supports_ssse3 },

   148     { "hasSSE4A", mozilla::supports_sse4a },

   149     { "hasSSE4_1", mozilla::supports_sse4_1 },

   150     { "hasSSE4_2", mozilla::supports_sse4_2 },

   151     // ARM-specific bits.

   152     { "hasEDSP", mozilla::supports_edsp },

   153     { "hasARMv6", mozilla::supports_armv6 },

   154     { "hasARMv7", mozilla::supports_armv7 },

   155     { "hasNEON", mozilla::supports_neon }

   156 };

   158 nsresult

   159 nsSystemInfo::Init()

   160 {

   161     nsresult rv;

   163     static const struct {

   164       PRSysInfo cmd;

   165       const char *name;

   166     } items[] = {

   167       { PR_SI_SYSNAME, "name" },

   168       { PR_SI_HOSTNAME, "host" },

   169       { PR_SI_ARCHITECTURE, "arch" },

   170       { PR_SI_RELEASE, "version" }

   171     };

   173     for (uint32_t i = 0; i < (sizeof(items) / sizeof(items[0])); i++) {

   174       char buf[SYS_INFO_BUFFER_LENGTH];

   175       if (PR_GetSystemInfo(items[i].cmd, buf, sizeof(buf)) == PR_SUCCESS) {

   176         rv = SetPropertyAsACString(NS_ConvertASCIItoUTF16(items[i].name),

   177                                    nsDependentCString(buf));

   178         if (NS_WARN_IF(NS_FAILED(rv)))

   179           return rv;

   180       }

   181       else {

   182         NS_WARNING("PR_GetSystemInfo failed");

   183       }

   184     }

   186 #if defined(XP_WIN) && defined(MOZ_METRO)

   187     // Create "hasWindowsTouchInterface" property.

   188     nsAutoString version;

   189     rv = GetPropertyAsAString(NS_LITERAL_STRING("version"), version);

   190     NS_ENSURE_SUCCESS(rv, rv);

   191     double versionDouble = version.ToDouble(&rv);

   192     NS_ENSURE_SUCCESS(rv, rv);

   194     rv = SetPropertyAsBool(NS_ConvertASCIItoUTF16("hasWindowsTouchInterface"),

   195       versionDouble >= 6.2);

   196     NS_ENSURE_SUCCESS(rv, rv);

   197 #else

   198     rv = SetPropertyAsBool(NS_ConvertASCIItoUTF16("hasWindowsTouchInterface"), false);

   199     NS_ENSURE_SUCCESS(rv, rv);

   200 #endif

   202     // Additional informations not available through PR_GetSystemInfo.

   203     SetInt32Property(NS_LITERAL_STRING("pagesize"), PR_GetPageSize());

   204     SetInt32Property(NS_LITERAL_STRING("pageshift"), PR_GetPageShift());

   205     SetInt32Property(NS_LITERAL_STRING("memmapalign"), PR_GetMemMapAlignment());

   206     SetInt32Property(NS_LITERAL_STRING("cpucount"), PR_GetNumberOfProcessors());

   207     SetUint64Property(NS_LITERAL_STRING("memsize"), PR_GetPhysicalMemorySize());

   208     SetUint32Property(NS_LITERAL_STRING("umask"), nsSystemInfo::gUserUmask);

   210     for (uint32_t i = 0; i < ArrayLength(cpuPropItems); i++) {

   211         rv = SetPropertyAsBool(NS_ConvertASCIItoUTF16(cpuPropItems[i].name),

   212                                cpuPropItems[i].propfun());

   213         if (NS_WARN_IF(NS_FAILED(rv)))

   214           return rv;

   215     }

   217 #ifdef XP_WIN

   218     BOOL isWow64;

   219     BOOL gotWow64Value = IsWow64Process(GetCurrentProcess(), &isWow64);

   220     NS_WARN_IF_FALSE(gotWow64Value, "IsWow64Process failed");

   221     if (gotWow64Value) {

   222       rv = SetPropertyAsBool(NS_LITERAL_STRING("isWow64"), !!isWow64);

   223       if (NS_WARN_IF(NS_FAILED(rv)))

   224         return rv;

   225     }

   226     nsAutoCString hddModel, hddRevision;

   227     if (NS_SUCCEEDED(GetHDDInfo(NS_APP_USER_PROFILE_50_DIR, hddModel,

   228                                 hddRevision))) {

   229       rv = SetPropertyAsACString(NS_LITERAL_STRING("profileHDDModel"), hddModel);

   230       NS_ENSURE_SUCCESS(rv, rv);

   231       rv = SetPropertyAsACString(NS_LITERAL_STRING("profileHDDRevision"),

   232                                  hddRevision);

   233       NS_ENSURE_SUCCESS(rv, rv);

   234     }

   235     if (NS_SUCCEEDED(GetHDDInfo(NS_GRE_DIR, hddModel, hddRevision))) {

   236       rv = SetPropertyAsACString(NS_LITERAL_STRING("binHDDModel"), hddModel);

   237       NS_ENSURE_SUCCESS(rv, rv);

   238       rv = SetPropertyAsACString(NS_LITERAL_STRING("binHDDRevision"),

   239                                  hddRevision);

   240       NS_ENSURE_SUCCESS(rv, rv);

   241     }

   242     if (NS_SUCCEEDED(GetHDDInfo(NS_WIN_WINDOWS_DIR, hddModel, hddRevision))) {

   243       rv = SetPropertyAsACString(NS_LITERAL_STRING("winHDDModel"), hddModel);

   244       NS_ENSURE_SUCCESS(rv, rv);

   245       rv = SetPropertyAsACString(NS_LITERAL_STRING("winHDDRevision"),

   246                                  hddRevision);

   247       NS_ENSURE_SUCCESS(rv, rv);

   248     }

   249 #endif

   251 #if defined(MOZ_WIDGET_GTK)

   252     // This must be done here because NSPR can only separate OS's when compiled, not libraries.

   253     char* gtkver = PR_smprintf("GTK %u.%u.%u", gtk_major_version, gtk_minor_version, gtk_micro_version);

   254     if (gtkver) {

   255       rv = SetPropertyAsACString(NS_LITERAL_STRING("secondaryLibrary"),

   256                                  nsDependentCString(gtkver));

   257       PR_smprintf_free(gtkver);

   258       if (NS_WARN_IF(NS_FAILED(rv)))

   259         return rv;

   260     }

   261 #endif

   263 #ifdef MOZ_WIDGET_ANDROID

   264     if (mozilla::AndroidBridge::Bridge()) {

   265         nsAutoString str;

   266         if (mozilla::AndroidBridge::Bridge()->GetStaticStringField("android/os/Build", "MODEL", str))

   267             SetPropertyAsAString(NS_LITERAL_STRING("device"), str);

   268         if (mozilla::AndroidBridge::Bridge()->GetStaticStringField("android/os/Build", "MANUFACTURER", str))

   269             SetPropertyAsAString(NS_LITERAL_STRING("manufacturer"), str);

   270         if (mozilla::AndroidBridge::Bridge()->GetStaticStringField("android/os/Build$VERSION", "RELEASE", str))

   271             SetPropertyAsAString(NS_LITERAL_STRING("release_version"), str);

   272         int32_t version;

   273         if (!mozilla::AndroidBridge::Bridge()->GetStaticIntField("android/os/Build$VERSION", "SDK_INT", &version))

   274             version = 0;

   275         android_sdk_version = version;

   276         if (version >= 8 && mozilla::AndroidBridge::Bridge()->GetStaticStringField("android/os/Build", "HARDWARE", str))

   277             SetPropertyAsAString(NS_LITERAL_STRING("hardware"), str);

   278         bool isTablet = mozilla::widget::android::GeckoAppShell::IsTablet();

   279         SetPropertyAsBool(NS_LITERAL_STRING("tablet"), isTablet);

   280         // NSPR "version" is the kernel version. For Android we want the Android version.

   281         // Rename SDK version to version and put the kernel version into kernel_version.

   282         rv = GetPropertyAsAString(NS_LITERAL_STRING("version"), str);

   283         if (NS_SUCCEEDED(rv)) {

   284             SetPropertyAsAString(NS_LITERAL_STRING("kernel_version"), str);

   285         }

   286         SetPropertyAsInt32(NS_LITERAL_STRING("version"), android_sdk_version);

   287     }

   288 #endif

   290 #ifdef MOZ_WIDGET_GONK

   291     char sdk[PROP_VALUE_MAX], characteristics[PROP_VALUE_MAX];

   292     if (__system_property_get("ro.build.version.sdk", sdk))

   293       android_sdk_version = atoi(sdk);

   294     if (__system_property_get("ro.build.characteristics", characteristics)) {

   295       if (!strcmp(characteristics, "tablet"))

   296         SetPropertyAsBool(NS_LITERAL_STRING("tablet"), true);

   297     }

   298 #endif

   300     return NS_OK;

   301 }

   303 void

   304 nsSystemInfo::SetInt32Property(const nsAString &aPropertyName,

   305                                const int32_t aValue)

   306 {

   307   NS_WARN_IF_FALSE(aValue > 0, "Unable to read system value");

   308   if (aValue > 0) {

   309 #ifdef DEBUG

   310     nsresult rv =

   311 #endif

   312       SetPropertyAsInt32(aPropertyName, aValue);

   313     NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Unable to set property");

   314   }

   315 }

   317 void

   318 nsSystemInfo::SetUint32Property(const nsAString &aPropertyName,

   319                                 const uint32_t aValue)

   320 {

   321   // Only one property is currently set via this function.

   322   // It may legitimately be zero.

   323 #ifdef DEBUG

   324   nsresult rv =

   325 #endif

   326     SetPropertyAsUint32(aPropertyName, aValue);

   327   NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Unable to set property");

   328 }

   330 void

   331 nsSystemInfo::SetUint64Property(const nsAString &aPropertyName,

   332                                 const uint64_t aValue)

   333 {

   334   NS_WARN_IF_FALSE(aValue > 0, "Unable to read system value");

   335   if (aValue > 0) {

   336 #ifdef DEBUG

   337     nsresult rv =

   338 #endif

   339       SetPropertyAsUint64(aPropertyName, aValue);

   340     NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Unable to set property");

   341   }

   342 }

The Tor Browser / file revision

xpcom/base/nsSystemInfo.cpp@6474c204b198

xpcom/base/nsSystemInfo.cpp