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
  26 static 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
  36 static void
  37 qauthz_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
  48 static char *
  49 qauthz_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
  58 static void
  59 qauthz_simple_finalize(Object *obj)
  60 {
  61     QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
  62
  63     g_free(sauthz->identity);
  64 }
  65
  66
  67 static void
  68 qauthz_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
  81 QAuthZSimple *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
  94 static 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
 108 static void
 109 qauthz_simple_register_types(void)
 110 {
 111     type_register_static(&qauthz_simple_info);
 112 }
 113
 114
 115 type_init(qauthz_simple_register_types);