c2aa8a3d7e
If the 'identify' property is not set, we'll pass a NULL pointer to g_str_equal() and crash. Catch the error condition during the creation of the object. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
129 lines
3.4 KiB
C
129 lines
3.4 KiB
C
/*
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* QEMU simple authorization driver
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*
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* Copyright (c) 2018 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "qemu/osdep.h"
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#include "authz/simple.h"
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#include "trace.h"
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#include "qemu/module.h"
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#include "qom/object_interfaces.h"
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static bool qauthz_simple_is_allowed(QAuthZ *authz,
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const char *identity,
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Error **errp)
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{
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QAuthZSimple *sauthz = QAUTHZ_SIMPLE(authz);
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trace_qauthz_simple_is_allowed(authz, sauthz->identity, identity);
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return g_str_equal(identity, sauthz->identity);
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}
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static void
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qauthz_simple_prop_set_identity(Object *obj,
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const char *value,
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Error **errp G_GNUC_UNUSED)
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{
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QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
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g_free(sauthz->identity);
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sauthz->identity = g_strdup(value);
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}
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static char *
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qauthz_simple_prop_get_identity(Object *obj,
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Error **errp G_GNUC_UNUSED)
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{
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QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
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return g_strdup(sauthz->identity);
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}
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static void
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qauthz_simple_finalize(Object *obj)
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{
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QAuthZSimple *sauthz = QAUTHZ_SIMPLE(obj);
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g_free(sauthz->identity);
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}
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static void
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qauthz_simple_complete(UserCreatable *uc, Error **errp)
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{
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QAuthZSimple *sauthz = QAUTHZ_SIMPLE(uc);
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if (!sauthz->identity) {
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error_setg(errp, "The 'identity' property must be set");
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return;
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}
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}
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static void
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qauthz_simple_class_init(ObjectClass *oc, void *data)
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{
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QAuthZClass *authz = QAUTHZ_CLASS(oc);
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UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
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ucc->complete = qauthz_simple_complete;
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authz->is_allowed = qauthz_simple_is_allowed;
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object_class_property_add_str(oc, "identity",
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qauthz_simple_prop_get_identity,
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qauthz_simple_prop_set_identity);
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}
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QAuthZSimple *qauthz_simple_new(const char *id,
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const char *identity,
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Error **errp)
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{
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return QAUTHZ_SIMPLE(
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object_new_with_props(TYPE_QAUTHZ_SIMPLE,
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object_get_objects_root(),
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id, errp,
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"identity", identity,
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NULL));
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}
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static const TypeInfo qauthz_simple_info = {
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.parent = TYPE_QAUTHZ,
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.name = TYPE_QAUTHZ_SIMPLE,
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.instance_size = sizeof(QAuthZSimple),
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.instance_finalize = qauthz_simple_finalize,
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.class_init = qauthz_simple_class_init,
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.interfaces = (InterfaceInfo[]) {
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{ TYPE_USER_CREATABLE },
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{ }
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}
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};
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static void
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qauthz_simple_register_types(void)
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{
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type_register_static(&qauthz_simple_info);
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}
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type_init(qauthz_simple_register_types);
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