gecko/browser/app/nsBrowserApp.cpp

408 lines
11 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsXULAppAPI.h"
#include "mozilla/AppData.h"
#include "application.ini.h"
#include "nsXPCOMGlue.h"
#if defined(XP_WIN)
#include <windows.h>
#include <stdlib.h>
#elif defined(XP_UNIX)
#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>
#endif
#ifdef XP_MACOSX
#include "MacQuirks.h"
#endif
#include <stdio.h>
#include <stdarg.h>
#include <time.h>
#include "nsCOMPtr.h"
#include "nsIFile.h"
#include "nsStringGlue.h"
#ifdef XP_WIN
// we want a wmain entry point
#include "nsWindowsWMain.cpp"
#define snprintf _snprintf
#define strcasecmp _stricmp
#endif
#include "BinaryPath.h"
#include "nsXPCOMPrivate.h" // for MAXPATHLEN and XPCOM_DLL
#include "mozilla/Telemetry.h"
using namespace mozilla;
static void Output(const char *fmt, ... )
{
va_list ap;
va_start(ap, fmt);
#ifndef XP_WIN
vfprintf(stderr, fmt, ap);
#else
char msg[2048];
vsnprintf_s(msg, _countof(msg), _TRUNCATE, fmt, ap);
wchar_t wide_msg[2048];
MultiByteToWideChar(CP_UTF8,
0,
msg,
-1,
wide_msg,
_countof(wide_msg));
#if MOZ_WINCONSOLE
fwprintf_s(stderr, wide_msg);
#else
MessageBoxW(NULL, wide_msg, L"Firefox", MB_OK
| MB_ICONERROR
| MB_SETFOREGROUND);
#endif
#endif
va_end(ap);
}
/**
* Return true if |arg| matches the given argument name.
*/
static bool IsArg(const char* arg, const char* s)
{
if (*arg == '-')
{
if (*++arg == '-')
++arg;
return !strcasecmp(arg, s);
}
#if defined(XP_WIN) || defined(XP_OS2)
if (*arg == '/')
return !strcasecmp(++arg, s);
#endif
return false;
}
/**
* A helper class which calls NS_LogInit/NS_LogTerm in its scope.
*/
class ScopedLogging
{
public:
ScopedLogging() { NS_LogInit(); }
~ScopedLogging() { NS_LogTerm(); }
};
XRE_GetFileFromPathType XRE_GetFileFromPath;
XRE_CreateAppDataType XRE_CreateAppData;
XRE_FreeAppDataType XRE_FreeAppData;
#ifdef XRE_HAS_DLL_BLOCKLIST
XRE_SetupDllBlocklistType XRE_SetupDllBlocklist;
#endif
XRE_TelemetryAccumulateType XRE_TelemetryAccumulate;
XRE_StartupTimelineRecordType XRE_StartupTimelineRecord;
XRE_mainType XRE_main;
XRE_DisableWritePoisoningType XRE_DisableWritePoisoning;
static const nsDynamicFunctionLoad kXULFuncs[] = {
{ "XRE_GetFileFromPath", (NSFuncPtr*) &XRE_GetFileFromPath },
{ "XRE_CreateAppData", (NSFuncPtr*) &XRE_CreateAppData },
{ "XRE_FreeAppData", (NSFuncPtr*) &XRE_FreeAppData },
#ifdef XRE_HAS_DLL_BLOCKLIST
{ "XRE_SetupDllBlocklist", (NSFuncPtr*) &XRE_SetupDllBlocklist },
#endif
{ "XRE_TelemetryAccumulate", (NSFuncPtr*) &XRE_TelemetryAccumulate },
{ "XRE_StartupTimelineRecord", (NSFuncPtr*) &XRE_StartupTimelineRecord },
{ "XRE_main", (NSFuncPtr*) &XRE_main },
{ "XRE_DisableWritePoisoning", (NSFuncPtr*) &XRE_DisableWritePoisoning },
{ nullptr, nullptr }
};
static int do_main(int argc, char* argv[], nsIFile *xreDirectory)
{
nsCOMPtr<nsIFile> appini;
nsresult rv;
// Allow firefox.exe to launch XULRunner apps via -app <application.ini>
// Note that -app must be the *first* argument.
const char *appDataFile = getenv("XUL_APP_FILE");
if (appDataFile && *appDataFile) {
rv = XRE_GetFileFromPath(appDataFile, getter_AddRefs(appini));
if (NS_FAILED(rv)) {
Output("Invalid path found: '%s'", appDataFile);
return 255;
}
}
else if (argc > 1 && IsArg(argv[1], "app")) {
if (argc == 2) {
Output("Incorrect number of arguments passed to -app");
return 255;
}
rv = XRE_GetFileFromPath(argv[2], getter_AddRefs(appini));
if (NS_FAILED(rv)) {
Output("application.ini path not recognized: '%s'", argv[2]);
return 255;
}
char appEnv[MAXPATHLEN];
snprintf(appEnv, MAXPATHLEN, "XUL_APP_FILE=%s", argv[2]);
if (putenv(appEnv)) {
Output("Couldn't set %s.\n", appEnv);
return 255;
}
argv[2] = argv[0];
argv += 2;
argc -= 2;
}
if (appini) {
nsXREAppData *appData;
rv = XRE_CreateAppData(appini, &appData);
if (NS_FAILED(rv)) {
Output("Couldn't read application.ini");
return 255;
}
// xreDirectory already has a refcount from NS_NewLocalFile
appData->xreDirectory = xreDirectory;
int result = XRE_main(argc, argv, appData, 0);
XRE_FreeAppData(appData);
return result;
}
ScopedAppData appData(&sAppData);
nsCOMPtr<nsIFile> exeFile;
rv = mozilla::BinaryPath::GetFile(argv[0], getter_AddRefs(exeFile));
if (NS_FAILED(rv)) {
Output("Couldn't find the application directory.\n");
return 255;
}
nsCOMPtr<nsIFile> appDir;
exeFile->GetParent(getter_AddRefs(appDir));
SetStrongPtr(appData.directory, static_cast<nsIFile*>(appDir.get()));
// xreDirectory already has a refcount from NS_NewLocalFile
appData.xreDirectory = xreDirectory;
return XRE_main(argc, argv, &appData, 0);
}
/* Local implementation of PR_Now, since the executable can't depend on NSPR */
static PRTime _PR_Now()
{
#ifdef XP_WIN
MOZ_STATIC_ASSERT(sizeof(PRTime) == sizeof(FILETIME), "PRTime must have the same size as FILETIME");
FILETIME ft;
GetSystemTimeAsFileTime(&ft);
PRTime now;
CopyMemory(&now, &ft, sizeof(PRTime));
#ifdef __GNUC__
return (now - 116444736000000000LL) / 10LL;
#else
return (now - 116444736000000000i64) / 10i64;
#endif
#else
struct timeval tm;
gettimeofday(&tm, 0);
return (((PRTime)tm.tv_sec * 1000000LL) + (PRTime)tm.tv_usec);
#endif
}
static bool
FileExists(const char *path)
{
#ifdef XP_WIN
wchar_t wideDir[MAX_PATH];
MultiByteToWideChar(CP_UTF8, 0, path, -1, wideDir, MAX_PATH);
DWORD fileAttrs = GetFileAttributesW(wideDir);
return fileAttrs != INVALID_FILE_ATTRIBUTES;
#else
return access(path, R_OK) == 0;
#endif
}
#ifdef LIBXUL_SDK
# define XPCOM_PATH "xulrunner" XPCOM_FILE_PATH_SEPARATOR XPCOM_DLL
#else
# define XPCOM_PATH XPCOM_DLL
#endif
static nsresult
InitXPCOMGlue(const char *argv0, nsIFile **xreDirectory)
{
char exePath[MAXPATHLEN];
nsresult rv = mozilla::BinaryPath::Get(argv0, exePath);
if (NS_FAILED(rv)) {
Output("Couldn't find the application directory.\n");
return rv;
}
char *lastSlash = strrchr(exePath, XPCOM_FILE_PATH_SEPARATOR[0]);
if (!lastSlash || (size_t(lastSlash - exePath) > MAXPATHLEN - sizeof(XPCOM_PATH) - 1))
return NS_ERROR_FAILURE;
strcpy(lastSlash + 1, XPCOM_PATH);
lastSlash += sizeof(XPCOM_PATH) - sizeof(XPCOM_DLL);
if (!FileExists(exePath)) {
#if defined(LIBXUL_SDK) && defined(XP_MACOSX)
// Check for <bundle>/Contents/Frameworks/XUL.framework/libxpcom.dylib
bool greFound = false;
CFBundleRef appBundle = CFBundleGetMainBundle();
if (!appBundle)
return NS_ERROR_FAILURE;
CFURLRef fwurl = CFBundleCopyPrivateFrameworksURL(appBundle);
CFURLRef absfwurl = nullptr;
if (fwurl) {
absfwurl = CFURLCopyAbsoluteURL(fwurl);
CFRelease(fwurl);
}
if (absfwurl) {
CFURLRef xulurl =
CFURLCreateCopyAppendingPathComponent(NULL, absfwurl,
CFSTR("XUL.framework"),
true);
if (xulurl) {
CFURLRef xpcomurl =
CFURLCreateCopyAppendingPathComponent(NULL, xulurl,
CFSTR("libxpcom.dylib"),
false);
if (xpcomurl) {
if (CFURLGetFileSystemRepresentation(xpcomurl, true,
(UInt8*) exePath,
sizeof(exePath)) &&
access(tbuffer, R_OK | X_OK) == 0) {
if (realpath(tbuffer, exePath)) {
greFound = true;
}
}
CFRelease(xpcomurl);
}
CFRelease(xulurl);
}
CFRelease(absfwurl);
}
}
if (!greFound) {
#endif
Output("Could not find the Mozilla runtime.\n");
return NS_ERROR_FAILURE;
}
// We do this because of data in bug 771745
XPCOMGlueEnablePreload();
rv = XPCOMGlueStartup(exePath);
if (NS_FAILED(rv)) {
Output("Couldn't load XPCOM.\n");
return rv;
}
rv = XPCOMGlueLoadXULFunctions(kXULFuncs);
if (NS_FAILED(rv)) {
Output("Couldn't load XRE functions.\n");
return rv;
}
// chop XPCOM_DLL off exePath
*lastSlash = '\0';
#ifdef XP_WIN
NS_NewLocalFile(NS_ConvertUTF8toUTF16(exePath), false,
xreDirectory);
#else
NS_NewNativeLocalFile(nsDependentCString(exePath), false,
xreDirectory);
#endif
return rv;
}
int main(int argc, char* argv[])
{
PRTime start = _PR_Now();
#ifdef XP_MACOSX
TriggerQuirks();
#endif
int gotCounters;
#if defined(XP_UNIX)
struct rusage initialRUsage;
gotCounters = !getrusage(RUSAGE_SELF, &initialRUsage);
#elif defined(XP_WIN)
IO_COUNTERS ioCounters;
gotCounters = GetProcessIoCounters(GetCurrentProcess(), &ioCounters);
#endif
nsIFile *xreDirectory;
nsresult rv = InitXPCOMGlue(argv[0], &xreDirectory);
if (NS_FAILED(rv)) {
return 255;
}
XRE_StartupTimelineRecord(mozilla::StartupTimeline::START, start);
#ifdef XRE_HAS_DLL_BLOCKLIST
XRE_SetupDllBlocklist();
#endif
if (gotCounters) {
#if defined(XP_WIN)
XRE_TelemetryAccumulate(mozilla::Telemetry::EARLY_GLUESTARTUP_READ_OPS,
int(ioCounters.ReadOperationCount));
XRE_TelemetryAccumulate(mozilla::Telemetry::EARLY_GLUESTARTUP_READ_TRANSFER,
int(ioCounters.ReadTransferCount / 1024));
IO_COUNTERS newIoCounters;
if (GetProcessIoCounters(GetCurrentProcess(), &newIoCounters)) {
XRE_TelemetryAccumulate(mozilla::Telemetry::GLUESTARTUP_READ_OPS,
int(newIoCounters.ReadOperationCount - ioCounters.ReadOperationCount));
XRE_TelemetryAccumulate(mozilla::Telemetry::GLUESTARTUP_READ_TRANSFER,
int((newIoCounters.ReadTransferCount - ioCounters.ReadTransferCount) / 1024));
}
#elif defined(XP_UNIX)
XRE_TelemetryAccumulate(mozilla::Telemetry::EARLY_GLUESTARTUP_HARD_FAULTS,
int(initialRUsage.ru_majflt));
struct rusage newRUsage;
if (!getrusage(RUSAGE_SELF, &newRUsage)) {
XRE_TelemetryAccumulate(mozilla::Telemetry::GLUESTARTUP_HARD_FAULTS,
int(newRUsage.ru_majflt - initialRUsage.ru_majflt));
}
#endif
}
int result;
{
ScopedLogging log;
result = do_main(argc, argv, xreDirectory);
}
XPCOMGlueShutdown();
#ifdef XP_MACOSX
// Allow writes again. While we would like to catch writes from static
// destructors to allow early exits to use _exit, we know that there is
// at least one such write that we don't control (see bug 826029). For
// now we enable writes again and early exits will have to use exit instead
// of _exit.
// Currently write poisoning is only available on OS X. Since on OS X we never
// unload XUL, it is safe to call this function after XPCOMGlueShutdown.
XRE_DisableWritePoisoning();
#endif
return result;
}