The Tor Browser / file comparison
comparison: xpcom/base/nsSystemInfo.cpp
xpcom/base/nsSystemInfo.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:227ee7ee36a0 |
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| 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/. */ | |
| 5 | |
| 6 #include "mozilla/ArrayUtils.h" | |
| 7 | |
| 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" | |
| 14 | |
| 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 | |
| 23 | |
| 24 #ifdef MOZ_WIDGET_GTK | |
| 25 #include <gtk/gtk.h> | |
| 26 #endif | |
| 27 | |
| 28 #ifdef MOZ_WIDGET_ANDROID | |
| 29 #include "AndroidBridge.h" | |
| 30 using namespace mozilla::widget::android; | |
| 31 #endif | |
| 32 | |
| 33 #ifdef MOZ_WIDGET_GONK | |
| 34 #include <sys/system_properties.h> | |
| 35 #endif | |
| 36 | |
| 37 #ifdef ANDROID | |
| 38 extern "C" { | |
| 39 NS_EXPORT int android_sdk_version; | |
| 40 } | |
| 41 #endif | |
| 42 | |
| 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; | |
| 49 | |
| 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(); | |
| 57 | |
| 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) | |
| 126 | |
| 127 using namespace mozilla; | |
| 128 | |
| 129 nsSystemInfo::nsSystemInfo() | |
| 130 { | |
| 131 } | |
| 132 | |
| 133 nsSystemInfo::~nsSystemInfo() | |
| 134 { | |
| 135 } | |
| 136 | |
| 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 }; | |
| 157 | |
| 158 nsresult | |
| 159 nsSystemInfo::Init() | |
| 160 { | |
| 161 nsresult rv; | |
| 162 | |
| 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 }; | |
| 172 | |
| 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 } | |
| 185 | |
| 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); | |
| 193 | |
| 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 | |
| 201 | |
| 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); | |
| 209 | |
| 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 } | |
| 216 | |
| 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 | |
| 250 | |
| 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 | |
| 262 | |
| 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 | |
| 289 | |
| 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 | |
| 299 | |
| 300 return NS_OK; | |
| 301 } | |
| 302 | |
| 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 } | |
| 316 | |
| 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 } | |
| 329 | |
| 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 } |
