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fune/xpcom/base/nsSystemInfo.cpp
Sylvestre Ledru d57d4905f1 Bug 1519636 - Reformat recent changes to the Google coding style r=Ehsan 
# ignore-this-changeset

Differential Revision: https://phabricator.services.mozilla.com/D30883

--HG--
extra : moz-landing-system : lando
2019-05-25 17:46:15 +00:00

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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 "mozilla/SSE.h"
#include "mozilla/arm.h"
#include "mozilla/Sprintf.h"
#ifdef XP_WIN
# include <comutil.h>
# include <time.h>
# ifndef __MINGW32__
# include <iwscapi.h>
# endif // __MINGW32__
# include <windows.h>
# include <winioctl.h>
# ifndef __MINGW32__
# include <wscapi.h>
# endif // __MINGW32__
# 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 "AndroidBuild.h"
# include "GeneratedJNIWrappers.h"
# include "mozilla/jni/Utils.h"
#endif
#ifdef XP_MACOSX
# include <sys/sysctl.h>
#endif
#if defined(XP_LINUX) && defined(MOZ_SANDBOX)
# include "mozilla/SandboxInfo.h"
#endif
// Slot for NS_InitXPCOM 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;
using namespace mozilla::dom;
#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, nsAutoCString& aType) {
aModel.Truncate();
aRevision.Truncate();
aType.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;
}
queryParameters.PropertyId = StorageDeviceTrimProperty;
bytesRead = 0;
bool isSSD = false;
DEVICE_TRIM_DESCRIPTOR trimDescriptor = {sizeof(DEVICE_TRIM_DESCRIPTOR)};
if (::DeviceIoControl(handle, IOCTL_STORAGE_QUERY_PROPERTY, &queryParameters,
sizeof(queryParameters), &trimDescriptor,
sizeof(trimDescriptor), &bytesRead, nullptr)) {
if (trimDescriptor.TrimEnabled) {
isSSD = true;
}
}
if (isSSD) {
// Get Seek Penalty
queryParameters.PropertyId = StorageDeviceSeekPenaltyProperty;
bytesRead = 0;
DEVICE_SEEK_PENALTY_DESCRIPTOR seekPenaltyDescriptor = {
sizeof(DEVICE_SEEK_PENALTY_DESCRIPTOR)};
if (::DeviceIoControl(handle, IOCTL_STORAGE_QUERY_PROPERTY,
&queryParameters, sizeof(queryParameters),
&seekPenaltyDescriptor, sizeof(seekPenaltyDescriptor),
&bytesRead, nullptr)) {
// It is possible that the disk has TrimEnabled, but also
// IncursSeekPenalty; In this case, this is an HDD
if (seekPenaltyDescriptor.IncursSeekPenalty) {
isSSD = false;
}
}
}
// 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();
}
if (isSSD) {
aType = "SSD";
} else {
aType = "HDD";
}
free(deviceOutput);
return NS_OK;
}
nsresult GetInstallYear(uint32_t& aYear) {
HKEY hKey;
LONG status = RegOpenKeyExW(
HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 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, char16ptr_t(aCountryCode.BeginWriting()),
aCountryCode.Length(), 0);
if (!numChars) {
return NS_ERROR_FAILURE;
}
// numChars includes null terminator
aCountryCode.Truncate(numChars - 1);
return NS_OK;
}
} // namespace
# ifndef __MINGW32__
static HRESULT EnumWSCProductList(nsAString& aOutput,
NotNull<IWSCProductList*> aProdList) {
MOZ_ASSERT(aOutput.IsEmpty());
LONG count;
HRESULT hr = aProdList->get_Count(&count);
if (FAILED(hr)) {
return hr;
}
for (LONG index = 0; index < count; ++index) {
RefPtr<IWscProduct> product;
hr = aProdList->get_Item(index, getter_AddRefs(product));
if (FAILED(hr)) {
return hr;
}
WSC_SECURITY_PRODUCT_STATE state;
hr = product->get_ProductState(&state);
if (FAILED(hr)) {
return hr;
}
// We only care about products that are active
if (state == WSC_SECURITY_PRODUCT_STATE_OFF ||
state == WSC_SECURITY_PRODUCT_STATE_SNOOZED) {
continue;
}
_bstr_t bName;
hr = product->get_ProductName(bName.GetAddress());
if (FAILED(hr)) {
return hr;
}
if (!aOutput.IsEmpty()) {
aOutput.AppendLiteral(u";");
}
aOutput.Append((wchar_t*)bName, bName.length());
}
return S_OK;
}
static nsresult GetWindowsSecurityCenterInfo(nsAString& aAVInfo,
nsAString& aAntiSpyInfo,
nsAString& aFirewallInfo) {
aAVInfo.Truncate();
aAntiSpyInfo.Truncate();
aFirewallInfo.Truncate();
if (!XRE_IsParentProcess()) {
return NS_ERROR_NOT_AVAILABLE;
}
const CLSID clsid = __uuidof(WSCProductList);
const IID iid = __uuidof(IWSCProductList);
// NB: A separate instance of IWSCProductList is needed for each distinct
// security provider type; MSDN says that we cannot reuse the same object
// and call Initialize() to pave over the previous data.
WSC_SECURITY_PROVIDER providerTypes[] = {WSC_SECURITY_PROVIDER_ANTIVIRUS,
WSC_SECURITY_PROVIDER_ANTISPYWARE,
WSC_SECURITY_PROVIDER_FIREWALL};
// Each output must match the corresponding entry in providerTypes.
nsAString* outputs[] = {&aAVInfo, &aAntiSpyInfo, &aFirewallInfo};
static_assert(ArrayLength(providerTypes) == ArrayLength(outputs),
"Length of providerTypes and outputs arrays must match");
for (uint32_t index = 0; index < ArrayLength(providerTypes); ++index) {
RefPtr<IWSCProductList> prodList;
HRESULT hr = ::CoCreateInstance(clsid, nullptr, CLSCTX_INPROC_SERVER, iid,
getter_AddRefs(prodList));
if (FAILED(hr)) {
return NS_ERROR_NOT_AVAILABLE;
}
hr = prodList->Initialize(providerTypes[index]);
if (FAILED(hr)) {
return NS_ERROR_UNEXPECTED;
}
hr = EnumWSCProductList(*outputs[index], WrapNotNull(prodList.get()));
if (FAILED(hr)) {
return NS_ERROR_UNEXPECTED;
}
}
return NS_OK;
}
# endif // __MINGW32__
#endif // defined(XP_WIN)
#ifdef XP_MACOSX
static nsresult GetAppleModelId(nsAutoCString& aModelId) {
size_t numChars = 0;
size_t result = sysctlbyname("hw.model", nullptr, &numChars, nullptr, 0);
if (result != 0 || !numChars) {
return NS_ERROR_FAILURE;
}
aModelId.SetLength(numChars);
result =
sysctlbyname("hw.model", aModelId.BeginWriting(), &numChars, nullptr, 0);
if (result != 0) {
return NS_ERROR_FAILURE;
}
// numChars includes null terminator
aModelId.Truncate(numChars - 1);
return NS_OK;
}
#endif
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},
{"hasAES", mozilla::supports_aes},
// 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() {
// This uses the observer service on Windows, so for simplicity
// check that it is called from the main thread on all platforms.
MOZ_ASSERT(NS_IsMainThread());
nsresult rv;
static const struct {
PRSysInfo cmd;
const char* name;
} items[] = {{PR_SI_SYSNAME, "name"},
{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
// IsWow64Process2 is only available on Windows 10+, so we have to dynamically
// check for its existence.
typedef BOOL(WINAPI * LPFN_IWP2)(HANDLE, USHORT*, USHORT*);
LPFN_IWP2 iwp2 = reinterpret_cast<LPFN_IWP2>(
GetProcAddress(GetModuleHandle(L"kernel32"), "IsWow64Process2"));
BOOL isWow64 = false;
USHORT processMachine = IMAGE_FILE_MACHINE_UNKNOWN;
USHORT nativeMachine = IMAGE_FILE_MACHINE_UNKNOWN;
BOOL gotWow64Value;
if (iwp2) {
gotWow64Value = iwp2(GetCurrentProcess(), &processMachine, &nativeMachine);
if (gotWow64Value) {
isWow64 = (processMachine != IMAGE_FILE_MACHINE_UNKNOWN);
}
} else {
gotWow64Value = IsWow64Process(GetCurrentProcess(), &isWow64);
// The function only indicates a WOW64 environment if it's 32-bit x86
// running on x86-64, so emulate what IsWow64Process2 would have given.
if (gotWow64Value && isWow64) {
processMachine = IMAGE_FILE_MACHINE_I386;
nativeMachine = IMAGE_FILE_MACHINE_AMD64;
}
}
NS_WARNING_ASSERTION(gotWow64Value, "IsWow64Process failed");
if (gotWow64Value) {
// Set this always, even for the x86-on-arm64 case.
rv = SetPropertyAsBool(NS_LITERAL_STRING("isWow64"), !!isWow64);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// Additional information if we're running x86-on-arm64
bool isWowARM64 = (processMachine == IMAGE_FILE_MACHINE_I386 &&
nativeMachine == IMAGE_FILE_MACHINE_ARM64);
rv = SetPropertyAsBool(NS_LITERAL_STRING("isWowARM64"), !!isWowARM64);
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, hddType;
if (NS_SUCCEEDED(GetHDDInfo(NS_GRE_DIR, hddModel, hddRevision, hddType))) {
rv = SetPropertyAsACString(NS_LITERAL_STRING("binHDDModel"), hddModel);
NS_ENSURE_SUCCESS(rv, rv);
rv =
SetPropertyAsACString(NS_LITERAL_STRING("binHDDRevision"), hddRevision);
NS_ENSURE_SUCCESS(rv, rv);
rv = SetPropertyAsACString(NS_LITERAL_STRING("binHDDType"), hddType);
NS_ENSURE_SUCCESS(rv, rv);
}
if (NS_SUCCEEDED(
GetHDDInfo(NS_WIN_WINDOWS_DIR, hddModel, hddRevision, hddType))) {
rv = SetPropertyAsACString(NS_LITERAL_STRING("winHDDModel"), hddModel);
NS_ENSURE_SUCCESS(rv, rv);
rv =
SetPropertyAsACString(NS_LITERAL_STRING("winHDDRevision"), hddRevision);
NS_ENSURE_SUCCESS(rv, rv);
rv = SetPropertyAsACString(NS_LITERAL_STRING("winHDDType"), hddType);
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;
}
}
# ifndef __MINGW32__
nsAutoString avInfo, antiSpyInfo, firewallInfo;
if (NS_SUCCEEDED(
GetWindowsSecurityCenterInfo(avInfo, antiSpyInfo, firewallInfo))) {
if (!avInfo.IsEmpty()) {
rv = SetPropertyAsAString(NS_LITERAL_STRING("registeredAntiVirus"),
avInfo);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
if (!antiSpyInfo.IsEmpty()) {
rv = SetPropertyAsAString(NS_LITERAL_STRING("registeredAntiSpyware"),
antiSpyInfo);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
if (!firewallInfo.IsEmpty()) {
rv = SetPropertyAsAString(NS_LITERAL_STRING("registeredFirewall"),
firewallInfo);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
}
# endif // __MINGW32__
#endif
#if defined(XP_MACOSX)
nsAutoString countryCode;
if (NS_SUCCEEDED(GetSelectedCityInfo(countryCode))) {
rv = SetPropertyAsAString(NS_LITERAL_STRING("countryCode"), countryCode);
NS_ENSURE_SUCCESS(rv, rv);
}
nsAutoCString modelId;
if (NS_SUCCEEDED(GetAppleModelId(modelId))) {
rv = SetPropertyAsACString(NS_LITERAL_STRING("appleModelId"), modelId);
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 (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;
GetAndroidSystemInfo(&info);
SetupAndroidInfo(info);
#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) {
if (!jni::IsAvailable()) {
// called from xpcshell etc.
aInfo->sdk_version() = 0;
return;
}
jni::String::LocalRef model = java::sdk::Build::MODEL();
aInfo->device() = model->ToString();
jni::String::LocalRef manufacturer =
mozilla::java::sdk::Build::MANUFACTURER();
aInfo->manufacturer() = manufacturer->ToString();
jni::String::LocalRef hardware = java::sdk::Build::HARDWARE();
aInfo->hardware() = hardware->ToString();
jni::String::LocalRef release = java::sdk::VERSION::RELEASE();
nsString str(release->ToString());
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;
}
aInfo->sdk_version() = jni::GetAPIVersion();
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 JNI is not available (eg. in xpcshell tests), sdk_version is 0.
if (aInfo.sdk_version() != 0) {
if (!aInfo.hardware().IsEmpty()) {
SetPropertyAsAString(NS_LITERAL_STRING("hardware"), aInfo.hardware());
}
SetPropertyAsInt32(NS_LITERAL_STRING("version"), aInfo.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, hddType;
nsresult rv =
GetHDDInfo(NS_APP_USER_PROFILE_50_DIR, hddModel, hddRevision, hddType);
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);
if (NS_FAILED(rv)) {
return rv;
}
rv = SetPropertyAsACString(NS_LITERAL_STRING("profileHDDType"), hddType);
return rv;
}
NS_IMPL_ISUPPORTS_INHERITED(nsSystemInfo, nsHashPropertyBag, nsIObserver)
#endif // defined(XP_WIN)
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