mirror of
https://git.proxmox.com/git/fwupd
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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
62 lines
1.6 KiB
C
62 lines
1.6 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-acpi-dmar.h"
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void
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fu_plugin_init (FuPlugin *plugin)
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{
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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_add_security_attrs (FuPlugin *plugin, FuSecurityAttrs *attrs)
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{
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g_autofree gchar *fn = NULL;
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g_autofree gchar *path = NULL;
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g_autoptr(FuAcpiDmar) dmar = NULL;
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g_autoptr(FwupdSecurityAttr) attr = NULL;
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g_autoptr(GBytes) blob = NULL;
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g_autoptr(GError) error_local = NULL;
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/* only Intel */
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if (!fu_common_is_cpu_intel ())
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return;
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/* create attr */
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attr = fwupd_security_attr_new ("org.uefi.ACPI.Dmar");
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fwupd_security_attr_set_level (attr, FWUPD_SECURITY_ATTR_LEVEL_THEORETICAL);
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fwupd_security_attr_set_name (attr, "Pre-boot kernel DMA protection");
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fu_security_attrs_append (attrs, attr);
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/* load DMAR table */
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path = fu_common_get_path (FU_PATH_KIND_ACPI_TABLES);
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fn = g_build_filename (path, "DMAR", NULL);
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blob = fu_common_get_contents_bytes (fn, &error_local);
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if (blob == NULL) {
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g_warning ("failed to load %s: %s", fn, error_local->message);
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fwupd_security_attr_set_result (attr, "Could not load DMAR");
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return;
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}
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dmar = fu_acpi_dmar_new (blob, &error_local);
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if (dmar == NULL) {
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g_warning ("failed to parse %s: %s", fn, error_local->message);
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fwupd_security_attr_set_result (attr, "Could not parse DMAR");
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return;
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}
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if (!fu_acpi_dmar_get_opt_in (dmar)) {
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fwupd_security_attr_set_result (attr, "Unavailable");
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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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}
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