osquery-1/osquery/tables/system/linux/groups.cpp
2016-02-11 11:48:58 -08:00

49 lines
1.1 KiB
C++

/*
* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
#include <set>
#include <mutex>
#include <grp.h>
#include <osquery/core.h>
#include <osquery/tables.h>
namespace osquery {
namespace tables {
std::mutex grpEnumerationMutex;
QueryData genGroups(QueryContext &context) {
std::lock_guard<std::mutex> lock(grpEnumerationMutex);
QueryData results;
struct group *grp = nullptr;
std::set<long> groups_in;
setgrent();
while ((grp = getgrent()) != nullptr) {
if (std::find(groups_in.begin(), groups_in.end(), grp->gr_gid) ==
groups_in.end()) {
Row r;
r["gid"] = INTEGER(grp->gr_gid);
r["gid_signed"] = INTEGER((int32_t) grp->gr_gid);
r["groupname"] = TEXT(grp->gr_name);
results.push_back(r);
groups_in.insert(grp->gr_gid);
}
}
endgrent();
groups_in.clear();
return results;
}
}
}