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 "authz/trace.h"
  24#include "qom/object_interfaces.h"
  25
  26static bool qauthz_simple_is_allowed(QAuthZ *authz,
  27                                     const char *identity,
  28                                     Error **errp)
  29{
  30    QAuthZSimple *sauthz = QAUTHZ_SIMPLE(authz);
  31
  32    trace_qauthz_simple_is_allowed(authz, sauthz->identity, identity);
  33    return g_str_equal(identity, sauthz->identity);
  34}
  35
  36static void
  37qauthz_simple_prop_set_identity(Object *obj,
  38                                const char *value,
  39                                Error **errp G_GNUC_UNUSED)
  40{
  41    QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
  42
  43    g_free(sauthz->identity);
  44    sauthz->identity = g_strdup(value);
  45}
  46
  47
  48static char *
  49qauthz_simple_prop_get_identity(Object *obj,
  50                                Error **errp G_GNUC_UNUSED)
  51{
  52    QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
  53
  54    return g_strdup(sauthz->identity);
  55}
  56
  57
  58static void
  59qauthz_simple_finalize(Object *obj)
  60{
  61    QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
  62
  63    g_free(sauthz->identity);
  64}
  65
  66
  67static void
  68qauthz_simple_class_init(ObjectClass *oc, void *data)
  69{
  70    QAuthZClass *authz = QAUTHZ_CLASS(oc);
  71
  72    authz->is_allowed = qauthz_simple_is_allowed;
  73
  74    object_class_property_add_str(oc, "identity",
  75                                  qauthz_simple_prop_get_identity,
  76                                  qauthz_simple_prop_set_identity,
  77                                  NULL);
  78}
  79
  80
  81QAuthZSimple *qauthz_simple_new(const char *id,
  82                                const char *identity,
  83                                Error **errp)
  84{
  85    return QAUTHZ_SIMPLE(
  86        object_new_with_props(TYPE_QAUTHZ_SIMPLE,
  87                              object_get_objects_root(),
  88                              id, errp,
  89                              "identity", identity,
  90                              NULL));
  91}
  92
  93
  94static const TypeInfo qauthz_simple_info = {
  95    .parent = TYPE_QAUTHZ,
  96    .name = TYPE_QAUTHZ_SIMPLE,
  97    .instance_size = sizeof(QAuthZSimple),
  98    .instance_finalize = qauthz_simple_finalize,
  99    .class_size = sizeof(QAuthZSimpleClass),
 100    .class_init = qauthz_simple_class_init,
 101    .interfaces = (InterfaceInfo[]) {
 102        { TYPE_USER_CREATABLE },
 103        { }
 104    }
 105};
 106
 107
 108static void
 109qauthz_simple_register_types(void)
 110{
 111    type_register_static(&qauthz_simple_info);
 112}
 113
 114
 115type_init(qauthz_simple_register_types);
 116