fwupd/libfwupdplugin/fu-common-linux.c

99 lines
2.6 KiB
C

/*
* Copyright (C) 2017 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#define G_LOG_DOMAIN "FuCommon"
#include <config.h>
#include <unistd.h>
#include <gio/gio.h>
#ifdef HAVE_FNMATCH_H
#include <fnmatch.h>
#endif
#include "fu-common-private.h"
#define UDISKS_DBUS_PATH "/org/freedesktop/UDisks2/Manager"
#define UDISKS_DBUS_MANAGER_INTERFACE "org.freedesktop.UDisks2.Manager"
GPtrArray *
fu_common_get_block_devices (GError **error)
{
GVariantBuilder builder;
const gchar *obj;
g_autoptr(GVariant) output = NULL;
g_autoptr(GDBusProxy) proxy = NULL;
g_autoptr(GPtrArray) devices = NULL;
g_autoptr(GVariantIter) obj_iter = NULL;
g_autoptr(GDBusConnection) connection = NULL;
connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, error);
if (connection == NULL) {
g_prefix_error (error, "failed to get system bus: ");
return NULL;
}
proxy = g_dbus_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE, NULL,
UDISKS_DBUS_SERVICE,
UDISKS_DBUS_PATH,
UDISKS_DBUS_MANAGER_INTERFACE,
NULL, error);
if (proxy == NULL) {
g_prefix_error (error, "failed to find %s: ", UDISKS_DBUS_SERVICE);
return NULL;
}
devices = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
output = g_dbus_proxy_call_sync (proxy,
"GetBlockDevices",
g_variant_new ("(a{sv})", &builder),
G_DBUS_CALL_FLAGS_NONE,
-1, NULL, error);
if (output == NULL) {
if (error != NULL)
g_dbus_error_strip_remote_error (*error);
g_prefix_error (error, "failed to call %s.%s(): ",
UDISKS_DBUS_MANAGER_INTERFACE,
"GetBlockDevices");
return NULL;
}
g_variant_get (output, "(ao)", &obj_iter);
while (g_variant_iter_next (obj_iter, "&o", &obj)) {
g_autoptr(GDBusProxy) proxy_blk = NULL;
proxy_blk = g_dbus_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE, NULL,
UDISKS_DBUS_SERVICE,
obj,
UDISKS_DBUS_INTERFACE_BLOCK,
NULL, error);
if (proxy_blk == NULL) {
g_prefix_error (error, "failed to initialize d-bus proxy for %s: ", obj);
return NULL;
}
g_ptr_array_add (devices, g_steal_pointer (&proxy_blk));
}
return g_steal_pointer (&devices);
}
gboolean
fu_common_fnmatch_impl (const gchar *pattern, const gchar *str)
{
#ifdef HAVE_FNMATCH_H
return fnmatch (pattern, str, FNM_NOESCAPE) == 0;
#else
return g_strcmp0 (pattern, str) == 0;
#endif
}
guint64
fu_common_get_memory_size_impl (void)
{
return (guint64) sysconf (_SC_PHYS_PAGES) * (guint64) sysconf (_SC_PAGE_SIZE);
}