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https://git.proxmox.com/git/fwupd
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e87fc05ab9
We were calling g_module_symbol() 2703 times, which is actually more expensive than you'd think. It also means the plugins are actually what we tell people they are: A set of vfuncs that get run. The reality before that they were dlsym'd functions that get called at pretty random times.
49 lines
1.5 KiB
C
49 lines
1.5 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 <fwupdplugin.h>
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static void
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fu_plugin_linux_sleep_add_security_attrs(FuPlugin *plugin, FuSecurityAttrs *attrs)
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{
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gsize bufsz = 0;
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g_autofree gchar *buf = NULL;
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g_autoptr(FwupdSecurityAttr) attr = NULL;
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g_autoptr(GError) error_local = NULL;
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g_autoptr(GFile) file = g_file_new_for_path("/sys/power/mem_sleep");
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/* create attr */
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attr = fwupd_security_attr_new(FWUPD_SECURITY_ATTR_ID_SUSPEND_TO_RAM);
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fwupd_security_attr_set_plugin(attr, fu_plugin_get_name(plugin));
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fwupd_security_attr_set_level(attr, FWUPD_SECURITY_ATTR_LEVEL_THEORETICAL);
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fu_security_attrs_append(attrs, attr);
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/* load file */
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if (!g_file_load_contents(file, NULL, &buf, &bufsz, NULL, &error_local)) {
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g_autofree gchar *fn = g_file_get_path(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, FWUPD_SECURITY_ATTR_RESULT_NOT_VALID);
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return;
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}
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if (g_strstr_len(buf, bufsz, "[deep]") != NULL) {
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fwupd_security_attr_set_result(attr, FWUPD_SECURITY_ATTR_RESULT_ENABLED);
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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, FWUPD_SECURITY_ATTR_RESULT_NOT_ENABLED);
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}
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void
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fu_plugin_init_vfuncs(FuPluginVfuncs *vfuncs)
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{
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vfuncs->build_hash = FU_BUILD_HASH;
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vfuncs->add_security_attrs = fu_plugin_linux_sleep_add_security_attrs;
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}
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