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// Copyright 2005-2019 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#include "LogEmitter.h"
#include "MainWindow.h"
#include "Overlay.h"
#include "Utils.h"
#include <CoreFoundation/CoreFoundation.h>
// We define a global macro called 'g'. This can lead to issues when included code uses 'g' as a type or parameter name (like protobuf 3.7 does). As such, for now, we have to make this our last include.
#include "Global.h"
char *os_lang = NULL;
static FILE *fConsole = NULL;
static QSharedPointer<LogEmitter> le;
#define PATH_MAX 1024
static char crashhandler_fn[PATH_MAX];
static void crashhandler_signals_restore();
static void crashhandler_handle_crash();
static void mumbleMessageOutputQString(QtMsgType type, const QString &msg) {
char c;
switch (type) {
case QtDebugMsg:
c='D';
break;
case QtWarningMsg:
c='W';
break;
case QtFatalMsg:
c='F';
break;
default:
c='X';
}
#define LOG(f, msg) fprintf(f, "<%c>%s %s\n", c, \
qPrintable(QDateTime::currentDateTime().toString(QLatin1String("yyyy-MM-dd hh:mm:ss.zzz"))), qPrintable(msg))
QString date = QDateTime::currentDateTime().toString(QLatin1String("yyyy-MM-dd hh:mm:ss.zzz"));
QString fmsg = QString::fromLatin1("<%1>%2 %3").arg(c).arg(date).arg(msg);
fprintf(stderr, "%s\n", qPrintable(fmsg));
fprintf(fConsole, "%s\n", qPrintable(fmsg));
fflush(fConsole);
le->addLogEntry(fmsg);
if (type == QtFatalMsg) {
CFStringRef csMsg = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%s\n\nThe error has been logged. Please submit your log file to the Mumble project if the problem persists."), qPrintable(msg));
CFUserNotificationDisplayAlert(0, 0, NULL, NULL, NULL, CFSTR("Mumble has encountered a fatal error"), csMsg, CFSTR("OK"), NULL, NULL, NULL);
CFRelease(csMsg);
exit(0);
}
}
#if QT_VERSION < 0x050000
static void mumbleMessageOutput(QtMsgType type, const char *msg) {
mumbleMessageOutputQString(type, QString::fromUtf8(msg));
}
#elif QT_VERSION >= 0x050000
static void mumbleMessageOutputWithContext(QtMsgType type, const QMessageLogContext &ctx, const QString &msg) {
Q_UNUSED(ctx);
mumbleMessageOutputQString(type, msg);
}
#endif
void query_language() {
CFPropertyListRef cfaLangs;
CFStringRef cfsLang;
static char lang[16];
cfaLangs = CFPreferencesCopyAppValue(CFSTR("AppleLanguages"), kCFPreferencesCurrentApplication);
cfsLang = (CFStringRef) CFArrayGetValueAtIndex((CFArrayRef)cfaLangs, 0);
if (! CFStringGetCString(cfsLang, lang, 16, kCFStringEncodingUTF8))
return;
os_lang = lang;
}
static void crashhandler_signal_handler(int signal) {
switch (signal) {
case SIGQUIT:
case SIGILL:
case SIGTRAP:
case SIGABRT:
case SIGEMT:
case SIGFPE:
case SIGBUS:
case SIGSEGV:
case SIGSYS:
crashhandler_signals_restore();
crashhandler_handle_crash();
break;
default:
break;
}
}
/* These are the signals that according to signal(3) produce a coredump by default. */
int sigs[] = { SIGQUIT, SIGILL, SIGTRAP, SIGABRT, SIGEMT, SIGFPE, SIGBUS, SIGSEGV, SIGSYS };
#define NSIGS sizeof(sigs)/sizeof(sigs[0])
static void crashhandler_signals_setup() {
for (size_t i = 0; i < NSIGS; i++) {
signal(sigs[i], crashhandler_signal_handler);
}
}
static void crashhandler_signals_restore() {
for (size_t i = 0; i < NSIGS; i++) {
signal(sigs[i], NULL);
}
}
static void crashhandler_init() {
QString dump = g.qdBasePath.filePath(QLatin1String("mumble.dmp"));
if (strncpy(crashhandler_fn, dump.toUtf8().data(), PATH_MAX)) {
crashhandler_signals_setup();
/* todo: Change the behavior of the Apple crash dialog? Maybe? */
}
}
static void crashhandler_handle_crash() {
/* Abuse mtime for figuring out which crashdump we should send. */
FILE *f = fopen(crashhandler_fn, "w");
fflush(f);
fclose(f);
}
void os_init() {
crashhandler_init();
const char *home = getenv("HOME");
const char *logpath = "/Library/Logs/Mumble.log";
// Make a copy of the global LogEmitter, such that
// os_macx.mm doesn't have to consider the deletion
// of the Global object and its LogEmitter object.
le = g.le;
if (home) {
size_t len = strlen(home) + strlen(logpath) + 1;
STACKVAR(char, buff, len);
memset(buff, 0, len);
strcat(buff, home);
strcat(buff, logpath);
fConsole = fopen(buff, "a+");
if (fConsole) {
#if QT_VERSION >= 0x050000
qInstallMessageHandler(mumbleMessageOutputWithContext);
#else
qInstallMsgHandler(mumbleMessageOutput);
#endif
}
}
/* Query for language setting. OS X's LANG environment variable is determined from the region selected
* in SystemPrefs -> International -> Formats -> Region instead of the system language. We override this
* by always using the system langauge, to get rid of all sorts of nasty langauge inconsistencies. */
query_language();
}
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