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-rw-r--r--xpcom/base/nsSystemInfo.cpp985
1 files changed, 985 insertions, 0 deletions
diff --git a/xpcom/base/nsSystemInfo.cpp b/xpcom/base/nsSystemInfo.cpp
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+++ b/xpcom/base/nsSystemInfo.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/ArrayUtils.h"
+
+#include "nsSystemInfo.h"
+#include "prsystem.h"
+#include "prio.h"
+#include "prprf.h"
+#include "mozilla/SSE.h"
+#include "mozilla/arm.h"
+#include "mozilla/Sprintf.h"
+
+#ifdef XP_WIN
+#include <time.h>
+#include <windows.h>
+#include <winioctl.h>
+#include "base/scoped_handle_win.h"
+#include "nsAppDirectoryServiceDefs.h"
+#include "nsDirectoryServiceDefs.h"
+#include "nsDirectoryServiceUtils.h"
+#include "nsIObserverService.h"
+#include "nsWindowsHelpers.h"
+#endif
+
+#ifdef XP_MACOSX
+#include "MacHelpers.h"
+#endif
+
+#ifdef MOZ_WIDGET_GTK
+#include <gtk/gtk.h>
+#include <dlfcn.h>
+#endif
+
+#if defined (XP_LINUX) && !defined (ANDROID)
+#include <unistd.h>
+#include <fstream>
+#include "mozilla/Tokenizer.h"
+#include "nsCharSeparatedTokenizer.h"
+
+#include <map>
+#include <string>
+#endif
+
+#ifdef MOZ_WIDGET_ANDROID
+#include "AndroidBridge.h"
+#include "mozilla/dom/ContentChild.h"
+#endif
+
+#ifdef MOZ_WIDGET_GONK
+#include <sys/system_properties.h>
+#include "mozilla/Preferences.h"
+#include "nsPrintfCString.h"
+#endif
+
+#ifdef ANDROID
+extern "C" {
+NS_EXPORT int android_sdk_version;
+}
+#endif
+
+#ifdef XP_MACOSX
+#include <sys/sysctl.h>
+#endif
+
+#if defined(XP_LINUX) && defined(MOZ_SANDBOX)
+#include "mozilla/SandboxInfo.h"
+#endif
+
+// Slot for NS_InitXPCOM2 to pass information to nsSystemInfo::Init.
+// Only set to nonzero (potentially) if XP_UNIX. On such systems, the
+// system call to discover the appropriate value is not thread-safe,
+// so we must call it before going multithreaded, but nsSystemInfo::Init
+// only happens well after that point.
+uint32_t nsSystemInfo::gUserUmask = 0;
+
+#if defined (XP_LINUX) && !defined (ANDROID)
+static void
+SimpleParseKeyValuePairs(const std::string& aFilename,
+ std::map<nsCString, nsCString>& aKeyValuePairs)
+{
+ std::ifstream input(aFilename.c_str());
+ for (std::string line; std::getline(input, line); ) {
+ nsAutoCString key, value;
+
+ nsCCharSeparatedTokenizer tokens(nsDependentCString(line.c_str()), ':');
+ if (tokens.hasMoreTokens()) {
+ key = tokens.nextToken();
+ if (tokens.hasMoreTokens()) {
+ value = tokens.nextToken();
+ }
+ // We want the value even if there was just one token, to cover the
+ // case where we had the key, and the value was blank (seems to be
+ // a valid scenario some files.)
+ aKeyValuePairs[key] = value;
+ }
+ }
+}
+#endif
+
+#if defined(XP_WIN)
+namespace {
+nsresult
+GetHDDInfo(const char* aSpecialDirName, nsAutoCString& aModel,
+ nsAutoCString& aRevision)
+{
+ aModel.Truncate();
+ aRevision.Truncate();
+
+ nsCOMPtr<nsIFile> profDir;
+ nsresult rv = NS_GetSpecialDirectory(aSpecialDirName,
+ getter_AddRefs(profDir));
+ NS_ENSURE_SUCCESS(rv, rv);
+ nsAutoString profDirPath;
+ rv = profDir->GetPath(profDirPath);
+ NS_ENSURE_SUCCESS(rv, rv);
+ wchar_t volumeMountPoint[MAX_PATH] = {L'\\', L'\\', L'.', L'\\'};
+ const size_t PREFIX_LEN = 4;
+ if (!::GetVolumePathNameW(profDirPath.get(), volumeMountPoint + PREFIX_LEN,
+ mozilla::ArrayLength(volumeMountPoint) -
+ PREFIX_LEN)) {
+ return NS_ERROR_UNEXPECTED;
+ }
+ size_t volumeMountPointLen = wcslen(volumeMountPoint);
+ // Since we would like to open a drive and not a directory, we need to
+ // remove any trailing backslash. A drive handle is valid for
+ // DeviceIoControl calls, a directory handle is not.
+ if (volumeMountPoint[volumeMountPointLen - 1] == L'\\') {
+ volumeMountPoint[volumeMountPointLen - 1] = L'\0';
+ }
+ ScopedHandle handle(::CreateFileW(volumeMountPoint, 0,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ nullptr, OPEN_EXISTING, 0, nullptr));
+ if (!handle.IsValid()) {
+ return NS_ERROR_UNEXPECTED;
+ }
+ STORAGE_PROPERTY_QUERY queryParameters = {
+ StorageDeviceProperty, PropertyStandardQuery
+ };
+ STORAGE_DEVICE_DESCRIPTOR outputHeader = {sizeof(STORAGE_DEVICE_DESCRIPTOR)};
+ DWORD bytesRead = 0;
+ if (!::DeviceIoControl(handle, IOCTL_STORAGE_QUERY_PROPERTY,
+ &queryParameters, sizeof(queryParameters),
+ &outputHeader, sizeof(outputHeader), &bytesRead,
+ nullptr)) {
+ return NS_ERROR_FAILURE;
+ }
+ PSTORAGE_DEVICE_DESCRIPTOR deviceOutput =
+ (PSTORAGE_DEVICE_DESCRIPTOR)malloc(outputHeader.Size);
+ if (!::DeviceIoControl(handle, IOCTL_STORAGE_QUERY_PROPERTY,
+ &queryParameters, sizeof(queryParameters),
+ deviceOutput, outputHeader.Size, &bytesRead,
+ nullptr)) {
+ free(deviceOutput);
+ return NS_ERROR_FAILURE;
+ }
+ // Some HDDs are including product ID info in the vendor field. Since PNP
+ // IDs include vendor info and product ID concatenated together, we'll do
+ // that here and interpret the result as a unique ID for the HDD model.
+ if (deviceOutput->VendorIdOffset) {
+ aModel = reinterpret_cast<char*>(deviceOutput) +
+ deviceOutput->VendorIdOffset;
+ }
+ if (deviceOutput->ProductIdOffset) {
+ aModel += reinterpret_cast<char*>(deviceOutput) +
+ deviceOutput->ProductIdOffset;
+ }
+ aModel.CompressWhitespace();
+ if (deviceOutput->ProductRevisionOffset) {
+ aRevision = reinterpret_cast<char*>(deviceOutput) +
+ deviceOutput->ProductRevisionOffset;
+ aRevision.CompressWhitespace();
+ }
+ free(deviceOutput);
+ return NS_OK;
+}
+
+nsresult GetInstallYear(uint32_t& aYear)
+{
+ HKEY hKey;
+ LONG status = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
+ NS_LITERAL_STRING(
+ "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion"
+ ).get(),
+ 0, KEY_READ | KEY_WOW64_64KEY, &hKey);
+
+ if (status != ERROR_SUCCESS) {
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ nsAutoRegKey key(hKey);
+
+ DWORD type = 0;
+ time_t raw_time = 0;
+ DWORD time_size = sizeof(time_t);
+
+ status = RegQueryValueExW(hKey, L"InstallDate",
+ nullptr, &type, (LPBYTE)&raw_time, &time_size);
+
+ if (status != ERROR_SUCCESS) {
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ if (type != REG_DWORD) {
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ tm time;
+ if (localtime_s(&time, &raw_time) != 0) {
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ aYear = 1900UL + time.tm_year;
+ return NS_OK;
+}
+
+nsresult GetCountryCode(nsAString& aCountryCode)
+{
+ GEOID geoid = GetUserGeoID(GEOCLASS_NATION);
+ if (geoid == GEOID_NOT_AVAILABLE) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+ // Get required length
+ int numChars = GetGeoInfoW(geoid, GEO_ISO2, nullptr, 0, 0);
+ if (!numChars) {
+ return NS_ERROR_FAILURE;
+ }
+ // Now get the string for real
+ aCountryCode.SetLength(numChars);
+ numChars = GetGeoInfoW(geoid, GEO_ISO2, wwc(aCountryCode.BeginWriting()),
+ aCountryCode.Length(), 0);
+ if (!numChars) {
+ return NS_ERROR_FAILURE;
+ }
+
+ // numChars includes null terminator
+ aCountryCode.Truncate(numChars - 1);
+ return NS_OK;
+}
+
+} // namespace
+#endif // defined(XP_WIN)
+
+using namespace mozilla;
+
+nsSystemInfo::nsSystemInfo()
+{
+}
+
+nsSystemInfo::~nsSystemInfo()
+{
+}
+
+// CPU-specific information.
+static const struct PropItems
+{
+ const char* name;
+ bool (*propfun)(void);
+} cpuPropItems[] = {
+ // x86-specific bits.
+ { "hasMMX", mozilla::supports_mmx },
+ { "hasSSE", mozilla::supports_sse },
+ { "hasSSE2", mozilla::supports_sse2 },
+ { "hasSSE3", mozilla::supports_sse3 },
+ { "hasSSSE3", mozilla::supports_ssse3 },
+ { "hasSSE4A", mozilla::supports_sse4a },
+ { "hasSSE4_1", mozilla::supports_sse4_1 },
+ { "hasSSE4_2", mozilla::supports_sse4_2 },
+ { "hasAVX", mozilla::supports_avx },
+ { "hasAVX2", mozilla::supports_avx2 },
+ // ARM-specific bits.
+ { "hasEDSP", mozilla::supports_edsp },
+ { "hasARMv6", mozilla::supports_armv6 },
+ { "hasARMv7", mozilla::supports_armv7 },
+ { "hasNEON", mozilla::supports_neon }
+};
+
+#ifdef XP_WIN
+// Lifted from media/webrtc/trunk/webrtc/base/systeminfo.cc,
+// so keeping the _ instead of switching to camel case for now.
+typedef BOOL (WINAPI *LPFN_GLPI)(
+ PSYSTEM_LOGICAL_PROCESSOR_INFORMATION,
+ PDWORD);
+static void
+GetProcessorInformation(int* physical_cpus, int* cache_size_L2, int* cache_size_L3)
+{
+ MOZ_ASSERT(physical_cpus && cache_size_L2 && cache_size_L3);
+
+ *physical_cpus = 0;
+ *cache_size_L2 = 0; // This will be in kbytes
+ *cache_size_L3 = 0; // This will be in kbytes
+
+ // GetLogicalProcessorInformation() is available on Windows XP SP3 and beyond.
+ LPFN_GLPI glpi = reinterpret_cast<LPFN_GLPI>(GetProcAddress(
+ GetModuleHandle(L"kernel32"),
+ "GetLogicalProcessorInformation"));
+ if (nullptr == glpi) {
+ return;
+ }
+ // Determine buffer size, allocate and get processor information.
+ // Size can change between calls (unlikely), so a loop is done.
+ SYSTEM_LOGICAL_PROCESSOR_INFORMATION info_buffer[32];
+ SYSTEM_LOGICAL_PROCESSOR_INFORMATION* infos = &info_buffer[0];
+ DWORD return_length = sizeof(info_buffer);
+ while (!glpi(infos, &return_length)) {
+ if (GetLastError() == ERROR_INSUFFICIENT_BUFFER && infos == &info_buffer[0]) {
+ infos = new SYSTEM_LOGICAL_PROCESSOR_INFORMATION[return_length / sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION)];
+ } else {
+ return;
+ }
+ }
+
+ for (size_t i = 0;
+ i < return_length / sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); ++i) {
+ if (infos[i].Relationship == RelationProcessorCore) {
+ ++*physical_cpus;
+ } else if (infos[i].Relationship == RelationCache) {
+ // Only care about L2 and L3 cache
+ switch (infos[i].Cache.Level) {
+ case 2:
+ *cache_size_L2 = static_cast<int>(infos[i].Cache.Size/1024);
+ break;
+ case 3:
+ *cache_size_L3 = static_cast<int>(infos[i].Cache.Size/1024);
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ if (infos != &info_buffer[0]) {
+ delete [] infos;
+ }
+ return;
+}
+#endif
+
+nsresult
+nsSystemInfo::Init()
+{
+ nsresult rv;
+
+ static const struct
+ {
+ PRSysInfo cmd;
+ const char* name;
+ } items[] = {
+ { PR_SI_SYSNAME, "name" },
+ { PR_SI_HOSTNAME, "host" },
+ { PR_SI_ARCHITECTURE, "arch" },
+ { PR_SI_RELEASE, "version" }
+ };
+
+ for (uint32_t i = 0; i < (sizeof(items) / sizeof(items[0])); i++) {
+ char buf[SYS_INFO_BUFFER_LENGTH];
+ if (PR_GetSystemInfo(items[i].cmd, buf, sizeof(buf)) == PR_SUCCESS) {
+ rv = SetPropertyAsACString(NS_ConvertASCIItoUTF16(items[i].name),
+ nsDependentCString(buf));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ } else {
+ NS_WARNING("PR_GetSystemInfo failed");
+ }
+ }
+
+ rv = SetPropertyAsBool(NS_ConvertASCIItoUTF16("hasWindowsTouchInterface"),
+ false);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // Additional informations not available through PR_GetSystemInfo.
+ SetInt32Property(NS_LITERAL_STRING("pagesize"), PR_GetPageSize());
+ SetInt32Property(NS_LITERAL_STRING("pageshift"), PR_GetPageShift());
+ SetInt32Property(NS_LITERAL_STRING("memmapalign"), PR_GetMemMapAlignment());
+ SetUint64Property(NS_LITERAL_STRING("memsize"), PR_GetPhysicalMemorySize());
+ SetUint32Property(NS_LITERAL_STRING("umask"), nsSystemInfo::gUserUmask);
+
+ uint64_t virtualMem = 0;
+ nsAutoCString cpuVendor;
+ int cpuSpeed = -1;
+ int cpuFamily = -1;
+ int cpuModel = -1;
+ int cpuStepping = -1;
+ int logicalCPUs = -1;
+ int physicalCPUs = -1;
+ int cacheSizeL2 = -1;
+ int cacheSizeL3 = -1;
+
+#if defined (XP_WIN)
+ // Virtual memory:
+ MEMORYSTATUSEX memStat;
+ memStat.dwLength = sizeof(memStat);
+ if (GlobalMemoryStatusEx(&memStat)) {
+ virtualMem = memStat.ullTotalVirtual;
+ }
+
+ // CPU speed
+ HKEY key;
+ static const WCHAR keyName[] =
+ L"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0";
+
+ if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, keyName , 0, KEY_QUERY_VALUE, &key)
+ == ERROR_SUCCESS) {
+ DWORD data, len, vtype;
+ len = sizeof(data);
+
+ if (RegQueryValueEx(key, L"~Mhz", 0, 0, reinterpret_cast<LPBYTE>(&data),
+ &len) == ERROR_SUCCESS) {
+ cpuSpeed = static_cast<int>(data);
+ }
+
+ // Limit to 64 double byte characters, should be plenty, but create
+ // a buffer one larger as the result may not be null terminated. If
+ // it is more than 64, we will not get the value.
+ wchar_t cpuVendorStr[64+1];
+ len = sizeof(cpuVendorStr)-2;
+ if (RegQueryValueExW(key, L"VendorIdentifier",
+ 0, &vtype,
+ reinterpret_cast<LPBYTE>(cpuVendorStr),
+ &len) == ERROR_SUCCESS &&
+ vtype == REG_SZ && len % 2 == 0 && len > 1) {
+ cpuVendorStr[len/2] = 0; // In case it isn't null terminated
+ CopyUTF16toUTF8(nsDependentString(cpuVendorStr), cpuVendor);
+ }
+
+ RegCloseKey(key);
+ }
+
+ // Other CPU attributes:
+ SYSTEM_INFO si;
+ GetNativeSystemInfo(&si);
+ logicalCPUs = si.dwNumberOfProcessors;
+ GetProcessorInformation(&physicalCPUs, &cacheSizeL2, &cacheSizeL3);
+ if (physicalCPUs <= 0) {
+ physicalCPUs = logicalCPUs;
+ }
+ cpuFamily = si.wProcessorLevel;
+ cpuModel = si.wProcessorRevision >> 8;
+ cpuStepping = si.wProcessorRevision & 0xFF;
+#elif defined (XP_MACOSX)
+ // CPU speed
+ uint64_t sysctlValue64 = 0;
+ uint32_t sysctlValue32 = 0;
+ size_t len = 0;
+ len = sizeof(sysctlValue64);
+ if (!sysctlbyname("hw.cpufrequency_max", &sysctlValue64, &len, NULL, 0)) {
+ cpuSpeed = static_cast<int>(sysctlValue64/1000000);
+ }
+ MOZ_ASSERT(sizeof(sysctlValue64) == len);
+
+ len = sizeof(sysctlValue32);
+ if (!sysctlbyname("hw.physicalcpu_max", &sysctlValue32, &len, NULL, 0)) {
+ physicalCPUs = static_cast<int>(sysctlValue32);
+ }
+ MOZ_ASSERT(sizeof(sysctlValue32) == len);
+
+ len = sizeof(sysctlValue32);
+ if (!sysctlbyname("hw.logicalcpu_max", &sysctlValue32, &len, NULL, 0)) {
+ logicalCPUs = static_cast<int>(sysctlValue32);
+ }
+ MOZ_ASSERT(sizeof(sysctlValue32) == len);
+
+ len = sizeof(sysctlValue64);
+ if (!sysctlbyname("hw.l2cachesize", &sysctlValue64, &len, NULL, 0)) {
+ cacheSizeL2 = static_cast<int>(sysctlValue64/1024);
+ }
+ MOZ_ASSERT(sizeof(sysctlValue64) == len);
+
+ len = sizeof(sysctlValue64);
+ if (!sysctlbyname("hw.l3cachesize", &sysctlValue64, &len, NULL, 0)) {
+ cacheSizeL3 = static_cast<int>(sysctlValue64/1024);
+ }
+ MOZ_ASSERT(sizeof(sysctlValue64) == len);
+
+ if (!sysctlbyname("machdep.cpu.vendor", NULL, &len, NULL, 0)) {
+ char* cpuVendorStr = new char[len];
+ if (!sysctlbyname("machdep.cpu.vendor", cpuVendorStr, &len, NULL, 0)) {
+ cpuVendor = cpuVendorStr;
+ }
+ delete [] cpuVendorStr;
+ }
+
+ len = sizeof(sysctlValue32);
+ if (!sysctlbyname("machdep.cpu.family", &sysctlValue32, &len, NULL, 0)) {
+ cpuFamily = static_cast<int>(sysctlValue32);
+ }
+ MOZ_ASSERT(sizeof(sysctlValue32) == len);
+
+ len = sizeof(sysctlValue32);
+ if (!sysctlbyname("machdep.cpu.model", &sysctlValue32, &len, NULL, 0)) {
+ cpuModel = static_cast<int>(sysctlValue32);
+ }
+ MOZ_ASSERT(sizeof(sysctlValue32) == len);
+
+ len = sizeof(sysctlValue32);
+ if (!sysctlbyname("machdep.cpu.stepping", &sysctlValue32, &len, NULL, 0)) {
+ cpuStepping = static_cast<int>(sysctlValue32);
+ }
+ MOZ_ASSERT(sizeof(sysctlValue32) == len);
+
+#elif defined (XP_LINUX) && !defined (ANDROID)
+ // Get vendor, family, model, stepping, physical cores, L3 cache size
+ // from /proc/cpuinfo file
+ {
+ std::map<nsCString, nsCString> keyValuePairs;
+ SimpleParseKeyValuePairs("/proc/cpuinfo", keyValuePairs);
+
+ // cpuVendor from "vendor_id"
+ cpuVendor.Assign(keyValuePairs[NS_LITERAL_CSTRING("vendor_id")]);
+
+ {
+ // cpuFamily from "cpu family"
+ Tokenizer::Token t;
+ Tokenizer p(keyValuePairs[NS_LITERAL_CSTRING("cpu family")]);
+ if (p.Next(t) && t.Type() == Tokenizer::TOKEN_INTEGER &&
+ t.AsInteger() <= INT32_MAX) {
+ cpuFamily = static_cast<int>(t.AsInteger());
+ }
+ }
+
+ {
+ // cpuModel from "model"
+ Tokenizer::Token t;
+ Tokenizer p(keyValuePairs[NS_LITERAL_CSTRING("model")]);
+ if (p.Next(t) && t.Type() == Tokenizer::TOKEN_INTEGER &&
+ t.AsInteger() <= INT32_MAX) {
+ cpuModel = static_cast<int>(t.AsInteger());
+ }
+ }
+
+ {
+ // cpuStepping from "stepping"
+ Tokenizer::Token t;
+ Tokenizer p(keyValuePairs[NS_LITERAL_CSTRING("stepping")]);
+ if (p.Next(t) && t.Type() == Tokenizer::TOKEN_INTEGER &&
+ t.AsInteger() <= INT32_MAX) {
+ cpuStepping = static_cast<int>(t.AsInteger());
+ }
+ }
+
+ {
+ // physicalCPUs from "cpu cores"
+ Tokenizer::Token t;
+ Tokenizer p(keyValuePairs[NS_LITERAL_CSTRING("cpu cores")]);
+ if (p.Next(t) && t.Type() == Tokenizer::TOKEN_INTEGER &&
+ t.AsInteger() <= INT32_MAX) {
+ physicalCPUs = static_cast<int>(t.AsInteger());
+ }
+ }
+
+ {
+ // cacheSizeL3 from "cache size"
+ Tokenizer::Token t;
+ Tokenizer p(keyValuePairs[NS_LITERAL_CSTRING("cache size")]);
+ if (p.Next(t) && t.Type() == Tokenizer::TOKEN_INTEGER &&
+ t.AsInteger() <= INT32_MAX) {
+ cacheSizeL3 = static_cast<int>(t.AsInteger());
+ if (p.Next(t) && t.Type() == Tokenizer::TOKEN_WORD &&
+ t.AsString() != NS_LITERAL_CSTRING("KB")) {
+ // If we get here, there was some text after the cache size value
+ // and that text was not KB. For now, just don't report the
+ // L3 cache.
+ cacheSizeL3 = -1;
+ }
+ }
+ }
+ }
+
+ {
+ // Get cpuSpeed from another file.
+ std::ifstream input("/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq");
+ std::string line;
+ if (getline(input, line)) {
+ Tokenizer::Token t;
+ Tokenizer p(line.c_str());
+ if (p.Next(t) && t.Type() == Tokenizer::TOKEN_INTEGER &&
+ t.AsInteger() <= INT32_MAX) {
+ cpuSpeed = static_cast<int>(t.AsInteger()/1000);
+ }
+ }
+ }
+
+ {
+ // Get cacheSizeL2 from yet another file
+ std::ifstream input("/sys/devices/system/cpu/cpu0/cache/index2/size");
+ std::string line;
+ if (getline(input, line)) {
+ Tokenizer::Token t;
+ Tokenizer p(line.c_str(), nullptr, "K");
+ if (p.Next(t) && t.Type() == Tokenizer::TOKEN_INTEGER &&
+ t.AsInteger() <= INT32_MAX) {
+ cacheSizeL2 = static_cast<int>(t.AsInteger());
+ }
+ }
+ }
+
+ SetInt32Property(NS_LITERAL_STRING("cpucount"), PR_GetNumberOfProcessors());
+#else
+ SetInt32Property(NS_LITERAL_STRING("cpucount"), PR_GetNumberOfProcessors());
+#endif
+
+ if (virtualMem) SetUint64Property(NS_LITERAL_STRING("virtualmemsize"), virtualMem);
+ if (cpuSpeed >= 0) SetInt32Property(NS_LITERAL_STRING("cpuspeed"), cpuSpeed);
+ if (!cpuVendor.IsEmpty()) SetPropertyAsACString(NS_LITERAL_STRING("cpuvendor"), cpuVendor);
+ if (cpuFamily >= 0) SetInt32Property(NS_LITERAL_STRING("cpufamily"), cpuFamily);
+ if (cpuModel >= 0) SetInt32Property(NS_LITERAL_STRING("cpumodel"), cpuModel);
+ if (cpuStepping >= 0) SetInt32Property(NS_LITERAL_STRING("cpustepping"), cpuStepping);
+
+ if (logicalCPUs >= 0) SetInt32Property(NS_LITERAL_STRING("cpucount"), logicalCPUs);
+ if (physicalCPUs >= 0) SetInt32Property(NS_LITERAL_STRING("cpucores"), physicalCPUs);
+
+ if (cacheSizeL2 >= 0) SetInt32Property(NS_LITERAL_STRING("cpucachel2"), cacheSizeL2);
+ if (cacheSizeL3 >= 0) SetInt32Property(NS_LITERAL_STRING("cpucachel3"), cacheSizeL3);
+
+ for (uint32_t i = 0; i < ArrayLength(cpuPropItems); i++) {
+ rv = SetPropertyAsBool(NS_ConvertASCIItoUTF16(cpuPropItems[i].name),
+ cpuPropItems[i].propfun());
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ }
+
+#ifdef XP_WIN
+ BOOL isWow64;
+ BOOL gotWow64Value = IsWow64Process(GetCurrentProcess(), &isWow64);
+ NS_WARNING_ASSERTION(gotWow64Value, "IsWow64Process failed");
+ if (gotWow64Value) {
+ rv = SetPropertyAsBool(NS_LITERAL_STRING("isWow64"), !!isWow64);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ }
+ if (NS_FAILED(GetProfileHDDInfo())) {
+ // We might have been called before profile-do-change. We'll observe that
+ // event so that we can fill this in later.
+ nsCOMPtr<nsIObserverService> obsService =
+ do_GetService(NS_OBSERVERSERVICE_CONTRACTID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ rv = obsService->AddObserver(this, "profile-do-change", false);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ }
+ nsAutoCString hddModel, hddRevision;
+ if (NS_SUCCEEDED(GetHDDInfo(NS_GRE_DIR, hddModel, hddRevision))) {
+ rv = SetPropertyAsACString(NS_LITERAL_STRING("binHDDModel"), hddModel);
+ NS_ENSURE_SUCCESS(rv, rv);
+ rv = SetPropertyAsACString(NS_LITERAL_STRING("binHDDRevision"),
+ hddRevision);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+ if (NS_SUCCEEDED(GetHDDInfo(NS_WIN_WINDOWS_DIR, hddModel, hddRevision))) {
+ rv = SetPropertyAsACString(NS_LITERAL_STRING("winHDDModel"), hddModel);
+ NS_ENSURE_SUCCESS(rv, rv);
+ rv = SetPropertyAsACString(NS_LITERAL_STRING("winHDDRevision"),
+ hddRevision);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+
+ nsAutoString countryCode;
+ if (NS_SUCCEEDED(GetCountryCode(countryCode))) {
+ rv = SetPropertyAsAString(NS_LITERAL_STRING("countryCode"), countryCode);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+
+ uint32_t installYear = 0;
+ if (NS_SUCCEEDED(GetInstallYear(installYear))) {
+ rv = SetPropertyAsUint32(NS_LITERAL_STRING("installYear"), installYear);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ }
+#endif
+
+#if defined(XP_MACOSX)
+ nsAutoString countryCode;
+ if (NS_SUCCEEDED(GetSelectedCityInfo(countryCode))) {
+ rv = SetPropertyAsAString(NS_LITERAL_STRING("countryCode"), countryCode);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+#endif
+
+#if defined(MOZ_WIDGET_GTK)
+ // This must be done here because NSPR can only separate OS's when compiled, not libraries.
+ // 64 bytes is going to be well enough for "GTK " followed by 3 integers
+ // separated with dots.
+ char gtkver[64];
+ ssize_t gtkver_len = 0;
+
+#if MOZ_WIDGET_GTK == 2
+ extern int gtk_read_end_of_the_pipe;
+
+ if (gtk_read_end_of_the_pipe != -1) {
+ do {
+ gtkver_len = read(gtk_read_end_of_the_pipe, &gtkver, sizeof(gtkver));
+ } while (gtkver_len < 0 && errno == EINTR);
+ close(gtk_read_end_of_the_pipe);
+ }
+#endif
+
+ if (gtkver_len <= 0) {
+ gtkver_len = SprintfLiteral(gtkver, "GTK %u.%u.%u", gtk_major_version,
+ gtk_minor_version, gtk_micro_version);
+ }
+
+ nsAutoCString secondaryLibrary;
+ if (gtkver_len > 0 && gtkver_len < int(sizeof(gtkver))) {
+ secondaryLibrary.Append(nsDependentCSubstring(gtkver, gtkver_len));
+ }
+
+ void* libpulse = dlopen("libpulse.so.0", RTLD_LAZY);
+ const char* libpulseVersion = "not-available";
+ if (libpulse) {
+ auto pa_get_library_version = reinterpret_cast<const char* (*)()>
+ (dlsym(libpulse, "pa_get_library_version"));
+
+ if (pa_get_library_version) {
+ libpulseVersion = pa_get_library_version();
+ }
+ }
+
+ secondaryLibrary.AppendPrintf(",libpulse %s", libpulseVersion);
+
+ if (libpulse) {
+ dlclose(libpulse);
+ }
+
+ rv = SetPropertyAsACString(NS_LITERAL_STRING("secondaryLibrary"),
+ secondaryLibrary);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+#endif
+
+#ifdef MOZ_WIDGET_ANDROID
+ AndroidSystemInfo info;
+ if (XRE_IsContentProcess()) {
+ dom::ContentChild* child = dom::ContentChild::GetSingleton();
+ if (child) {
+ child->SendGetAndroidSystemInfo(&info);
+ SetupAndroidInfo(info);
+ }
+ } else {
+ GetAndroidSystemInfo(&info);
+ SetupAndroidInfo(info);
+ }
+#endif
+
+#ifdef MOZ_WIDGET_GONK
+ char sdk[PROP_VALUE_MAX];
+ if (__system_property_get("ro.build.version.sdk", sdk)) {
+ android_sdk_version = atoi(sdk);
+ SetPropertyAsInt32(NS_LITERAL_STRING("sdk_version"), android_sdk_version);
+
+ SetPropertyAsACString(NS_LITERAL_STRING("secondaryLibrary"),
+ nsPrintfCString("SDK %u", android_sdk_version));
+ }
+
+ char characteristics[PROP_VALUE_MAX];
+ if (__system_property_get("ro.build.characteristics", characteristics)) {
+ if (!strcmp(characteristics, "tablet")) {
+ SetPropertyAsBool(NS_LITERAL_STRING("tablet"), true);
+ } else if (!strcmp(characteristics, "tv")) {
+ SetPropertyAsBool(NS_LITERAL_STRING("tv"), true);
+ }
+ }
+
+ nsAutoString str;
+ rv = GetPropertyAsAString(NS_LITERAL_STRING("version"), str);
+ if (NS_SUCCEEDED(rv)) {
+ SetPropertyAsAString(NS_LITERAL_STRING("kernel_version"), str);
+ }
+
+ const nsAdoptingString& b2g_os_name =
+ mozilla::Preferences::GetString("b2g.osName");
+ if (b2g_os_name) {
+ SetPropertyAsAString(NS_LITERAL_STRING("name"), b2g_os_name);
+ }
+
+ const nsAdoptingString& b2g_version =
+ mozilla::Preferences::GetString("b2g.version");
+ if (b2g_version) {
+ SetPropertyAsAString(NS_LITERAL_STRING("version"), b2g_version);
+ }
+#endif
+
+#if defined(XP_LINUX) && defined(MOZ_SANDBOX)
+ SandboxInfo sandInfo = SandboxInfo::Get();
+
+ SetPropertyAsBool(NS_LITERAL_STRING("hasSeccompBPF"),
+ sandInfo.Test(SandboxInfo::kHasSeccompBPF));
+ SetPropertyAsBool(NS_LITERAL_STRING("hasSeccompTSync"),
+ sandInfo.Test(SandboxInfo::kHasSeccompTSync));
+ SetPropertyAsBool(NS_LITERAL_STRING("hasUserNamespaces"),
+ sandInfo.Test(SandboxInfo::kHasUserNamespaces));
+ SetPropertyAsBool(NS_LITERAL_STRING("hasPrivilegedUserNamespaces"),
+ sandInfo.Test(SandboxInfo::kHasPrivilegedUserNamespaces));
+
+ if (sandInfo.Test(SandboxInfo::kEnabledForContent)) {
+ SetPropertyAsBool(NS_LITERAL_STRING("canSandboxContent"),
+ sandInfo.CanSandboxContent());
+ }
+
+ if (sandInfo.Test(SandboxInfo::kEnabledForMedia)) {
+ SetPropertyAsBool(NS_LITERAL_STRING("canSandboxMedia"),
+ sandInfo.CanSandboxMedia());
+ }
+#endif // XP_LINUX && MOZ_SANDBOX
+
+ return NS_OK;
+}
+
+#ifdef MOZ_WIDGET_ANDROID
+// Prerelease versions of Android use a letter instead of version numbers.
+// Unfortunately this breaks websites due to the user agent.
+// Chrome works around this by hardcoding an Android version when a
+// numeric version can't be obtained. We're doing the same.
+// This version will need to be updated whenever there is a new official
+// Android release.
+// See: https://cs.chromium.org/chromium/src/base/sys_info_android.cc?l=61
+#define DEFAULT_ANDROID_VERSION "6.0.99"
+
+/* static */
+void
+nsSystemInfo::GetAndroidSystemInfo(AndroidSystemInfo* aInfo)
+{
+ MOZ_ASSERT(XRE_IsParentProcess());
+
+ if (!mozilla::AndroidBridge::Bridge()) {
+ aInfo->sdk_version() = 0;
+ return;
+ }
+
+ nsAutoString str;
+ if (mozilla::AndroidBridge::Bridge()->GetStaticStringField(
+ "android/os/Build", "MODEL", str)) {
+ aInfo->device() = str;
+ }
+ if (mozilla::AndroidBridge::Bridge()->GetStaticStringField(
+ "android/os/Build", "MANUFACTURER", str)) {
+ aInfo->manufacturer() = str;
+ }
+ if (mozilla::AndroidBridge::Bridge()->GetStaticStringField(
+ "android/os/Build$VERSION", "RELEASE", str)) {
+ int major_version;
+ int minor_version;
+ int bugfix_version;
+ int num_read = sscanf(NS_ConvertUTF16toUTF8(str).get(), "%d.%d.%d", &major_version, &minor_version, &bugfix_version);
+ if (num_read == 0) {
+ aInfo->release_version() = NS_LITERAL_STRING(DEFAULT_ANDROID_VERSION);
+ } else {
+ aInfo->release_version() = str;
+ }
+ }
+ if (mozilla::AndroidBridge::Bridge()->GetStaticStringField(
+ "android/os/Build", "HARDWARE", str)) {
+ aInfo->hardware() = str;
+ }
+ int32_t sdk_version;
+ if (!mozilla::AndroidBridge::Bridge()->GetStaticIntField(
+ "android/os/Build$VERSION", "SDK_INT", &sdk_version)) {
+ sdk_version = 0;
+ }
+ aInfo->sdk_version() = sdk_version;
+ aInfo->isTablet() = java::GeckoAppShell::IsTablet();
+}
+
+void
+nsSystemInfo::SetupAndroidInfo(const AndroidSystemInfo& aInfo)
+{
+ if (!aInfo.device().IsEmpty()) {
+ SetPropertyAsAString(NS_LITERAL_STRING("device"), aInfo.device());
+ }
+ if (!aInfo.manufacturer().IsEmpty()) {
+ SetPropertyAsAString(NS_LITERAL_STRING("manufacturer"), aInfo.manufacturer());
+ }
+ if (!aInfo.release_version().IsEmpty()) {
+ SetPropertyAsAString(NS_LITERAL_STRING("release_version"), aInfo.release_version());
+ }
+ SetPropertyAsBool(NS_LITERAL_STRING("tablet"), aInfo.isTablet());
+ // NSPR "version" is the kernel version. For Android we want the Android version.
+ // Rename SDK version to version and put the kernel version into kernel_version.
+ nsAutoString str;
+ nsresult rv = GetPropertyAsAString(NS_LITERAL_STRING("version"), str);
+ if (NS_SUCCEEDED(rv)) {
+ SetPropertyAsAString(NS_LITERAL_STRING("kernel_version"), str);
+ }
+ // When AndroidBridge is not available (eg. in xpcshell tests), sdk_version is 0.
+ if (aInfo.sdk_version() != 0) {
+ android_sdk_version = aInfo.sdk_version();
+ if (android_sdk_version >= 8 && !aInfo.hardware().IsEmpty()) {
+ SetPropertyAsAString(NS_LITERAL_STRING("hardware"), aInfo.hardware());
+ }
+ SetPropertyAsInt32(NS_LITERAL_STRING("version"), android_sdk_version);
+ }
+}
+#endif // MOZ_WIDGET_ANDROID
+
+void
+nsSystemInfo::SetInt32Property(const nsAString& aPropertyName,
+ const int32_t aValue)
+{
+ NS_WARNING_ASSERTION(aValue > 0, "Unable to read system value");
+ if (aValue > 0) {
+#ifdef DEBUG
+ nsresult rv =
+#endif
+ SetPropertyAsInt32(aPropertyName, aValue);
+ NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "Unable to set property");
+ }
+}
+
+void
+nsSystemInfo::SetUint32Property(const nsAString& aPropertyName,
+ const uint32_t aValue)
+{
+ // Only one property is currently set via this function.
+ // It may legitimately be zero.
+#ifdef DEBUG
+ nsresult rv =
+#endif
+ SetPropertyAsUint32(aPropertyName, aValue);
+ NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "Unable to set property");
+}
+
+void
+nsSystemInfo::SetUint64Property(const nsAString& aPropertyName,
+ const uint64_t aValue)
+{
+ NS_WARNING_ASSERTION(aValue > 0, "Unable to read system value");
+ if (aValue > 0) {
+#ifdef DEBUG
+ nsresult rv =
+#endif
+ SetPropertyAsUint64(aPropertyName, aValue);
+ NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "Unable to set property");
+ }
+}
+
+#if defined(XP_WIN)
+NS_IMETHODIMP
+nsSystemInfo::Observe(nsISupports* aSubject, const char* aTopic,
+ const char16_t* aData)
+{
+ if (!strcmp(aTopic, "profile-do-change")) {
+ nsresult rv;
+ nsCOMPtr<nsIObserverService> obsService =
+ do_GetService(NS_OBSERVERSERVICE_CONTRACTID, &rv);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ rv = obsService->RemoveObserver(this, "profile-do-change");
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ return GetProfileHDDInfo();
+ }
+ return NS_OK;
+}
+
+nsresult
+nsSystemInfo::GetProfileHDDInfo()
+{
+ nsAutoCString hddModel, hddRevision;
+ nsresult rv = GetHDDInfo(NS_APP_USER_PROFILE_50_DIR, hddModel, hddRevision);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ rv = SetPropertyAsACString(NS_LITERAL_STRING("profileHDDModel"), hddModel);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+ rv = SetPropertyAsACString(NS_LITERAL_STRING("profileHDDRevision"),
+ hddRevision);
+ return rv;
+}
+
+NS_IMPL_ISUPPORTS_INHERITED(nsSystemInfo, nsHashPropertyBag, nsIObserver)
+#endif // defined(XP_WIN)
+