mirror of
https://git.proxmox.com/git/fwupd
synced 2025-05-15 20:31:59 +00:00
c1eda7d516
The HSI specification is currently incomplete and in active development.
Sample output for my Lenovo P50 Laptop:
Host Security ID: HSI:2+UA!
HSI-1
✔ UEFI dbx: OK
✔ TPM: v2.0
✔ SPI: Write disabled
✔ SPI: Lock enabled
✔ SPI: SMM required
✔ UEFI Secure Boot: Enabled
HSI-2
✔ TPM Reconstruction: Matched PCR0 reading
HSI-3
✘ Linux Kernel S3 Sleep: Deep sleep available
HSI-4
✘ Intel CET: Unavailable
Runtime Suffix -U
✔ Firmware Updates: Newest release is 8 months old
Runtime Suffix -A
✔ Firmware Attestation: OK
Runtime Suffix -!
✔ fwupd plugins: OK
✔ Linux Kernel: OK
✔ Linux Kernel: Locked down
✘ Linux Swap: Not encrypted
111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
/*
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* Copyright (C) 2020 Richard Hughes <richard@hughsie.com>
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*
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* SPDX-License-Identifier: LGPL-2.1+
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*/
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#include "config.h"
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#include "fu-plugin-vfuncs.h"
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#include "fu-hash.h"
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#include "fu-linux-swap.h"
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struct FuPluginData {
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GFile *file;
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GFileMonitor *monitor;
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};
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void
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fu_plugin_init (FuPlugin *plugin)
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{
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fu_plugin_alloc_data (plugin, sizeof (FuPluginData));
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fu_plugin_set_build_hash (plugin, FU_BUILD_HASH);
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}
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void
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fu_plugin_destroy (FuPlugin *plugin)
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{
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FuPluginData *data = fu_plugin_get_data (plugin);
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if (data->file != NULL)
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g_object_unref (data->file);
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if (data->monitor != NULL)
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g_object_unref (data->monitor);
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}
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static void
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fu_plugin_linux_swap_changed_cb (GFileMonitor *monitor,
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GFile *file,
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GFile *other_file,
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GFileMonitorEvent event_type,
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gpointer user_data)
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{
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FuPlugin *plugin = FU_PLUGIN (user_data);
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fu_plugin_security_changed (plugin);
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}
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gboolean
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fu_plugin_startup (FuPlugin *plugin, GError **error)
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{
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FuPluginData *data = fu_plugin_get_data (plugin);
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g_autofree gchar *fn = NULL;
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g_autofree gchar *procfs = NULL;
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procfs = fu_common_get_path (FU_PATH_KIND_PROCFS);
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fn = g_build_filename (procfs, "swaps", NULL);
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data->file = g_file_new_for_path (fn);
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data->monitor = g_file_monitor (data->file, G_FILE_MONITOR_NONE, NULL, error);
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if (data->monitor == NULL)
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return FALSE;
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g_signal_connect (data->monitor, "changed",
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G_CALLBACK (fu_plugin_linux_swap_changed_cb), plugin);
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return TRUE;
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}
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void
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fu_plugin_add_security_attrs (FuPlugin *plugin, FuSecurityAttrs *attrs)
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{
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FuPluginData *data = fu_plugin_get_data (plugin);
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gsize bufsz = 0;
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g_autofree gchar *buf = NULL;
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g_autoptr(FuLinuxSwap) swap = NULL;
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g_autoptr(FwupdSecurityAttr) attr = NULL;
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g_autoptr(GError) error_local = NULL;
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/* create attr */
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attr = fwupd_security_attr_new ("org.kernel.Swap");
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fwupd_security_attr_add_flag (attr, FWUPD_SECURITY_ATTR_FLAG_RUNTIME_ISSUE);
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fwupd_security_attr_set_name (attr, "Linux Swap");
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fu_security_attrs_append (attrs, attr);
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/* load list of swaps */
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if (!g_file_load_contents (data->file, NULL, &buf, &bufsz, NULL, &error_local)) {
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g_autofree gchar *fn = g_file_get_path (data->file);
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g_warning ("could not open %s: %s", fn, error_local->message);
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fwupd_security_attr_set_result (attr, "Could not open file");
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return;
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}
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swap = fu_linux_swap_new (buf, bufsz, &error_local);
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if (swap == NULL) {
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g_autofree gchar *fn = g_file_get_path (data->file);
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g_warning ("could not parse %s: %s", fn, error_local->message);
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fwupd_security_attr_set_result (attr, "Could not parse file");
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return;
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}
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/* none configured */
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if (!fu_linux_swap_get_enabled (swap)) {
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fwupd_security_attr_add_flag (attr, FWUPD_SECURITY_ATTR_FLAG_SUCCESS);
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return;
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}
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/* add security attribute */
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if (!fu_linux_swap_get_encrypted (swap)) {
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fwupd_security_attr_set_result (attr, "Not encrypted");
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return;
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}
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/* success */
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fwupd_security_attr_add_flag (attr, FWUPD_SECURITY_ATTR_FLAG_SUCCESS);
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fwupd_security_attr_set_result (attr, "Encrypted");
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}
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