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https://github.com/valitydev/osquery-1.git
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73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
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#include <libudev.h>
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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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namespace osquery {
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namespace tables {
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const std::string kSlot = "PCI_SLOT_NAME";
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const std::string kClass = "ID_PCI_CLASS_FROM_DATABASE";
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const std::string kVendor = "ID_VENDOR_FROM_DATABASE";
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const std::string kModel = "ID_MODEL_FROM_DATABASE";
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struct udev *udev;
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struct udev_enumerate *enumerate;
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struct udev_list_entry *devices, *dev_list_entry;
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struct udev_device *dev;
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QueryData genPCIDevices(QueryContext& context) {
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QueryData results;
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// Create the udev object
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udev = udev_new();
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if (!udev) {
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LOG(ERROR) << "Can't create udev object";
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return results;
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}
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// Enumerate the list of all PCI devices
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enumerate = udev_enumerate_new(udev);
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udev_enumerate_add_match_subsystem(enumerate, "pci");
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udev_enumerate_scan_devices(enumerate);
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devices = udev_enumerate_get_list_entry(enumerate);
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// udev_list_entry_foreach is a macro which expands to
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// a loop. The loop will be executed for each member in
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// devices, setting dev_list_entry to a list entry
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// which contains the device's path in /sys.
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udev_list_entry_foreach(dev_list_entry, devices) {
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const char *path, *tmp;
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// Get the filename of the /sys entry for the PCI device
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// and create a udev_device object (dev) representing it
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path = udev_list_entry_get_name(dev_list_entry);
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dev = udev_device_new_from_syspath(udev, path);
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Row r;
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if ((tmp = udev_device_get_property_value(dev, kSlot.c_str()))) {
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r["slot"] = TEXT(tmp);
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}
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if ((tmp = udev_device_get_property_value(dev, kClass.c_str()))) {
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r["device_class"] = TEXT(tmp);
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}
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if ((tmp = udev_device_get_property_value(dev, kVendor.c_str()))) {
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r["vendor"] = TEXT(tmp);
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}
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if ((tmp = udev_device_get_property_value(dev, kModel.c_str()))) {
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r["model"] = TEXT(tmp);
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}
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results.push_back(r);
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udev_device_unref(dev);
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}
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udev_enumerate_unref(enumerate);
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udev_unref(udev);
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return results;
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}
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}
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}
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