osquery-1/osquery/scheduler/scheduler.cpp
mike@arpaia.co fb2591d82a #143
2014-09-15 11:09:33 -07:00

83 lines
2.4 KiB
C++

// Copyright 2004-present Facebook. All Rights Reserved.
#include "osquery/scheduler.h"
#include <climits>
#include <ctime>
#include <glog/logging.h>
#include "osquery/config.h"
#include "osquery/core.h"
#include "osquery/database.h"
#include "osquery/logger.h"
namespace db = osquery::db;
namespace logger = osquery::logger;
namespace osquery {
namespace scheduler {
void launchQueries(const osquery::scheduledQueries_t& queries,
const int64_t& second) {
LOG(INFO) << "launchQueries: " << second;
for (const auto& query : queries) {
if (second % query.interval == 0) {
LOG(INFO) << "executing query: " << query.query;
int unix_time = std::time(0);
int err;
auto query_results = aggregateQuery(query.query, err);
if (err != 0) {
LOG(ERROR) << "error executing query: " << query.query;
continue;
}
auto dbQuery = db::Query(query);
db::DiffResults diff_results;
auto status =
dbQuery.addNewResults(query_results, diff_results, unix_time);
if (!status.ok()) {
LOG(ERROR)
<< "error adding new results to database: " << status.toString();
continue;
}
if (diff_results.added.size() > 0 || diff_results.removed.size() > 0) {
VLOG(1) << "Results found for query: \"" << query.query << "\"";
db::ScheduledQueryLogItem item;
item.diffResults = diff_results;
item.name = query.name;
item.hostname = osquery::getHostname();
item.unixTime = osquery::getUnixTime();
item.calendarTime = osquery::getAsciiTime();
auto s = logger::logScheduledQueryLogItem(item);
if (!s.ok()) {
LOG(ERROR) << "Error logging the results of query \"" << query.query
<< "\""
<< ": " << s.toString();
}
}
}
}
}
void initialize() {
DLOG(INFO) << "osquery::scheduler::initialize";
time_t t = time(0);
struct tm* local = localtime(&t);
unsigned long int second = local->tm_sec;
auto cfg = Config::getInstance();
#ifdef OSQUERY_TEST_DAEMON
// if we're testing the daemon, only iterate through 15 "seconds"
static unsigned long int stop_at = second + 15;
#else
// if this is production, count forever
static unsigned long int stop_at = ULONG_MAX;
#endif
for (; second <= stop_at; ++second) {
launchQueries(cfg->getScheduledQueries(), second);
sleep(1);
}
}
}
}