LogWindow::LogWindow(QWidget *parent) :
QDockWidget(parent),
ui(new Ui::LogWindow)
{
QMutexLocker lock(&sMutex);
if(sInstance != 0)
{
qFatal("Log Window cannot be instantiated more than once");
}
ui->setupUi(this);
mLogFile.setFileName(QCoreApplication::applicationDirPath() + "/logfile.log");
mLogFile.open(QFile::Append | QFile::Text | QIODevice::Unbuffered);
mLogStream.setDevice(&mLogFile);
ui->plainTextEdit->setMaximumBlockCount(200);
mHighlighter = new LogSyntaxHighlighter(ui->plainTextEdit->document());
addLogType(QtDebugMsg, tr("Debug"), "DBG", Qt::blue);
addLogType(QtWarningMsg, tr("Warning"), "WRN", Qt::darkYellow);
addLogType(QtCriticalMsg, tr("Error"), "ERR", Qt::red);
addLogType(QtInfoMsg, tr("Info"), "INF", QColor(64, 64, 64));
sInstance = this;
mPreviousHandler = qInstallMessageHandler(&LogWindow::logMessage);
mTimer.setSingleShot(true);
mTimer.start(300);
connect(&mTimer,SIGNAL(timeout()), SLOT(onTimeout()));
}
/**
* Reads in the configuration values stored in the configuration file and
* stores each value in its corresponding global variables.
*/
void parseConfFile() {
FILE *fd;
char buf[512];
char *param;
char *value;
// These variables reused for each service section
char service[512];
char log[512];
int maxAttempts = 0;
char pattern[512];
int enableSync = 1;
bzero(log, sizeof(char) * 512);
bzero(pattern, sizeof(char) * 512);
bzero(service, sizeof(char) * 512);
strncpy(centralServer, UPDATE_SERVER, 256);
DBG("Parsing conf file %s\n", CONF_FILE);
if (!(fd = fopen(CONF_FILE, "r")))
err(1, "Failed to open configuration file %s", CONF_FILE);
while (fgets(buf, 512, fd)) {
// Ignore comments and empty lines
if (buf[0] == '#' || strcmp(buf, "\n") == 0)
continue;
// Start of the next service
if (buf[0] == '[') {
// Record info for previous service
if (service[0] != '\0')
addLogType(service, log, pattern, maxAttempts);
bzero(log, sizeof(char) * 512);
bzero(pattern, sizeof(char) * 512);
maxAttempts = 0;
if ((value = strtok(&buf[1], "]")) == NULL)
errx(1, "Missing terminating ']' for service");
strncpy(service, value, 512);
}
else {
// Parse the values from lines of the form "parameter=value"
if ((param = strtok(buf, "=")) == NULL)
errx(1, "Invalid line in configuration file: %s", buf);
if ((value = strtok(NULL, "\n")) == NULL )
errx(1, "Must enter a value in conf file for %s\n", param);
DBG("Config Param: %s=%s\n", param, value);
rightTrimWhitespace(value);
// Store the value of the parameter in the corresponsing variable
if (strncmp(param, "KEY", 512) == 0)
strncpy(key, value, 512);
else if (strncmp(param, "MAX_ATTEMPT", 512) == 0)
maxAttempts = atoi(value);
else if (strncmp(param, "FIREWALL", 512) == 0) {
// Store the firewall as an integer so that we can use it in a
// switch instead of doing string comparisons all the time
if (strncmp(value, "iptables", 512) == 0)
firewall = IPTABLES;
}
else if (strncmp(param, "CHAIN_NAME", 512) == 0)
strncpy(chainName, value, 512);
else if (strncmp(param, "SYNC_INTERVAL", 512) == 0)
syncInterval = atoi(value);
else if (strncmp(param, "MAINT_INTERVAL", 512) == 0)
maintInterval = atoi(value);
else if (strncmp(param, "LOG_ROTATE_INTERVAL", 512) == 0)
logRotateInterval = atoi(value);
else if (strncmp(param, "LOG", 512) == 0)
strncpy(log, value, 512);
else if (strncmp(param, "PATTERN", 512) == 0)
strncpy(pattern, value, 512);
else if (strncmp(param, "ENABLE_SYNC", 512) == 0)
enableSync = atoi(value);
else if (strncmp(param, "EMAIL", 512) == 0) {
if (strncmp(value, "", 2) != 0) {
strncpy(alertEmail, value, 512);
}
}
else if (strncmp(param, "TEST_MODE", 512) == 0) {
if (atoi(value) == 1) {
strncpy(centralServer, TEST_SERVER, 256);
}
}
else
errx(1, "Invalid parameter in conf file: %s\n", param);
}
}
if (enableSync == 0)
syncInterval = 0;
// Write info for the last service
if (service[0] != '\0')
addLogType(service, log, pattern, maxAttempts);
// Make sure they provided a value for everything that is required
if (!firewall || !strcmp(key, "") || !strcmp(chainName, ""))
errx(1, "Please provide all configuration values");
DBG("Using central server: %s\n", centralServer);
fclose(fd);
}
