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gecko-dev
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gecko-dev/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) {
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)
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