mirror of
https://github.com/valitydev/osquery-1.git
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b9f732c31f
As per t5494224, all of the license headers in osquery needed to be updated to reflect the correct open source header style.
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*
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* Copyright (c) 2014, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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#include <boost/algorithm/string/split.hpp>
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#include <boost/algorithm/string/trim.hpp>
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#include <osquery/core.h>
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#include <osquery/logger.h>
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#include <osquery/tables.h>
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#include "osquery/events/linux/udev.h"
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namespace osquery {
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namespace tables {
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const std::string kPCIKeySlot = "PCI_SLOT_NAME";
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const std::string kPCIKeyClass = "ID_PCI_CLASS_FROM_DATABASE";
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const std::string kPCIKeyVendor = "ID_VENDOR_FROM_DATABASE";
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const std::string kPCIKeyModel = "ID_MODEL_FROM_DATABASE";
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const std::string kPCIKeyID = "PCI_ID";
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const std::string kPCIKeyDriver = "DRIVER";
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QueryData genPCIDevices(QueryContext &context) {
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QueryData results;
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auto udev_handle = udev_new();
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if (udev_handle == nullptr) {
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VLOG(1) << "Could not get udev handle.";
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return results;
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}
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// Perform enumeration/search.
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auto enumerate = udev_enumerate_new(udev_handle);
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udev_enumerate_add_match_subsystem(enumerate, "pci");
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udev_enumerate_scan_devices(enumerate);
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// Get list entries and iterate over entries.
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struct udev_list_entry *device_entries, *entry;
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device_entries = udev_enumerate_get_list_entry(enumerate);
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udev_list_entry_foreach(entry, device_entries) {
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const char *path = udev_list_entry_get_name(entry);
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auto device = udev_device_new_from_syspath(udev_handle, path);
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Row r;
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r["pci_slot"] = UdevEventPublisher::getValue(device, kPCIKeySlot);
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r["pci_class"] = UdevEventPublisher::getValue(device, kPCIKeyClass);
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r["driver"] = UdevEventPublisher::getValue(device, kPCIKeyDriver);
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r["vendor"] = UdevEventPublisher::getValue(device, kPCIKeyVendor);
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r["model"] = UdevEventPublisher::getValue(device, kPCIKeyModel);
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// VENDOR:MODEL ID is in the form of HHHH:HHHH.
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std::vector<std::string> ids;
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auto device_id = UdevEventPublisher::getValue(device, kPCIKeyID);
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boost::split(ids, device_id, boost::is_any_of(":"));
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if (ids.size() == 2) {
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r["vendor_id"] = ids[0];
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r["model_id"] = ids[1];
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}
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// Set invalid vendor/model IDs to 0.
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if (r["vendor_id"].size() == 0) {
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r["vendor_id"] = "0";
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}
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if (r["model_id"].size() == 0) {
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r["model_id"] = "0";
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}
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results.push_back(r);
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udev_device_unref(device);
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}
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// Drop references to udev structs.
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udev_enumerate_unref(enumerate);
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udev_unref(udev_handle);
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return results;
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}
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}
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}
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