LXR qemu/authz/simple.c

   1/*
   2 * QEMU simple authorization driver
   3 *
   4 * Copyright (c) 2018 Red Hat, Inc.
   5 *
   6 * This library is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU Lesser General Public
   8 * License as published by the Free Software Foundation; either
   9 * version 2 of the License, or (at your option) any later version.
  10 *
  11 * This library is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 * Lesser General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU Lesser General Public
  17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18 *
  19 */
  20
  21#include "qemu/osdep.h"
  22#include "authz/simple.h"
  23#include "trace.h"
  24#include "qemu/module.h"
  25#include "qom/object_interfaces.h"
  26
  27static bool qauthz_simple_is_allowed(QAuthZ *authz,
  28                                     const char *identity,
  29                                     Error **errp)
  30{
  31    QAuthZSimple *sauthz = QAUTHZ_SIMPLE(authz);
  32
  33    trace_qauthz_simple_is_allowed(authz, sauthz->identity, identity);
  34    return g_str_equal(identity, sauthz->identity);
  35}
  36
  37static void
  38qauthz_simple_prop_set_identity(Object *obj,
  39                                const char *value,
  40                                Error **errp G_GNUC_UNUSED)
  41{
  42    QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
  43
  44    g_free(sauthz->identity);
  45    sauthz->identity = g_strdup(value);
  46}
  47
  48
  49static char *
  50qauthz_simple_prop_get_identity(Object *obj,
  51                                Error **errp G_GNUC_UNUSED)
  52{
  53    QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
  54
  55    return g_strdup(sauthz->identity);
  56}
  57
  58
  59static void
  60qauthz_simple_finalize(Object *obj)
  61{
  62    QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
  63
  64    g_free(sauthz->identity);
  65}
  66
  67
  68static void
  69qauthz_simple_class_init(ObjectClass *oc, void *data)
  70{
  71    QAuthZClass *authz = QAUTHZ_CLASS(oc);
  72
  73    authz->is_allowed = qauthz_simple_is_allowed;
  74
  75    object_class_property_add_str(oc, "identity",
  76                                  qauthz_simple_prop_get_identity,
  77                                  qauthz_simple_prop_set_identity,
  78                                  NULL);
  79}
  80
  81
  82QAuthZSimple *qauthz_simple_new(const char *id,
  83                                const char *identity,
  84                                Error **errp)
  85{
  86    return QAUTHZ_SIMPLE(
  87        object_new_with_props(TYPE_QAUTHZ_SIMPLE,
  88                              object_get_objects_root(),
  89                              id, errp,
  90                              "identity", identity,
  91                              NULL));
  92}
  93
  94
  95static const TypeInfo qauthz_simple_info = {
  96    .parent = TYPE_QAUTHZ,
  97    .name = TYPE_QAUTHZ_SIMPLE,
  98    .instance_size = sizeof(QAuthZSimple),
  99    .instance_finalize = qauthz_simple_finalize,
 100    .class_size = sizeof(QAuthZSimpleClass),
 101    .class_init = qauthz_simple_class_init,
 102    .interfaces = (InterfaceInfo[]) {
 103        { TYPE_USER_CREATABLE },
 104        { }
 105    }
 106};
 107
 108
 109static void
 110qauthz_simple_register_types(void)
 111{
 112    type_register_static(&qauthz_simple_info);
 113}
 114
 115
 116type_init(qauthz_simple_register_types);
 117