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https://git.proxmox.com/git/fwupd
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91e27e145a
This plugin is only enabled when coreboot isn't detected. It intentionally does not check for EFI to be disabled at startup since it can also notify the user that UEFI capsule updates are disabled on the system even if running in UEFI mode.
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
/*
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* Copyright (C) 2020 Mario Limonciello <mario.limonciello@dell.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-efivar.h"
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#include "fu-plugin-vfuncs.h"
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#include "fu-hash.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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gboolean
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fu_plugin_startup (FuPlugin *plugin, GError **error)
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{
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const gchar *vendor;
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vendor = fu_plugin_get_dmi_value (plugin, FU_HWIDS_KEY_BIOS_VENDOR);
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if (g_strcmp0 (vendor, "coreboot") == 0) {
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g_set_error (error,
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FWUPD_ERROR,
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FWUPD_ERROR_NOT_FOUND,
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"system uses coreboot");
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return FALSE;
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}
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return TRUE;
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}
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static gboolean
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fu_plugin_bios_create_dummy (FuPlugin *plugin, const gchar *reason, GError **error)
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{
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const gchar *key;
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g_autoptr(FuDevice) dev = fu_device_new ();
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fu_device_set_version_format (dev, FWUPD_VERSION_FORMAT_PLAIN);
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key = fu_plugin_get_dmi_value (plugin, FU_HWIDS_KEY_MANUFACTURER);
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if (key != NULL)
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fu_device_set_vendor (dev, key);
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key = fu_plugin_get_dmi_value (plugin, FU_HWIDS_KEY_BIOS_VENDOR);
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if (key != NULL) {
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g_autofree gchar *vendor_id = g_strdup_printf ("DMI:%s", key);
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fu_device_set_vendor_id (FU_DEVICE (dev), vendor_id);
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}
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key = "System Firmware";
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fu_device_set_name (dev, key);
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key = fu_plugin_get_dmi_value (plugin, FU_HWIDS_KEY_BIOS_VERSION);
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if (key != NULL)
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fu_device_set_version (dev, key);
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fu_device_set_update_error (dev, reason);
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fu_device_add_flag (dev, FWUPD_DEVICE_FLAG_INTERNAL);
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fu_device_add_icon (dev, "computer");
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fu_device_set_id (dev, "BIOS-dummy");
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fu_device_add_instance_id (dev, "main-system-firmware");
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if (!fu_device_setup (dev, error))
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return FALSE;
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fu_plugin_device_add (plugin, dev);
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return TRUE;
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}
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gboolean
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fu_plugin_coldplug (FuPlugin *plugin, GError **error)
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{
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g_autofree gchar *sysfsfwdir = NULL;
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g_autoptr(GError) error_local = NULL;
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g_autofree gchar *esrt_path = NULL;
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/* are the EFI dirs set up so we can update each device */
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if (!fu_efivar_supported (&error_local)) {
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const gchar *reason = "Firmware can not be updated in legacy BIOS mode, switch to UEFI mode";
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g_warning ("%s", error_local->message);
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return fu_plugin_bios_create_dummy (plugin, reason, error);
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}
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/* get the directory of ESRT entries */
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sysfsfwdir = fu_common_get_path (FU_PATH_KIND_SYSFSDIR_FW);
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esrt_path = g_build_filename (sysfsfwdir, "efi", "esrt", NULL);
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if (!g_file_test (esrt_path, G_FILE_TEST_IS_DIR)) {
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const gchar *reason = "UEFI Capsule updates not available or enabled";
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return fu_plugin_bios_create_dummy (plugin, reason, error);
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}
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/* we appear to have UEFI capsule updates */
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fu_plugin_set_enabled (plugin, FALSE);
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return TRUE;
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}
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