2 * Copyright (C) 2016, 2017 "IoT.bzh"
3 * Author "Fulup Ar Foll"
4 * Author José Bollo <jose.bollo@iot.bzh>
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
20 #define AFB_BINDING_PRAGMA_NO_VERBOSE_MACRO
24 #include <afb/afb-auth.h>
27 #include "afb-context.h"
31 static int check_permission(const char *permission, struct afb_xreq *xreq);
33 int afb_auth_check(const struct afb_auth *auth, struct afb_xreq *xreq)
41 return afb_context_check(&xreq->context);
44 return afb_context_check_loa(&xreq->context, auth->loa);
46 case afb_auth_Permission:
47 return xreq->cred && auth->text && check_permission(auth->text, xreq);
50 return afb_auth_check(auth->first, xreq) || afb_auth_check(auth->next, xreq);
53 return afb_auth_check(auth->first, xreq) && afb_auth_check(auth->next, xreq);
56 return !afb_auth_check(auth->first, xreq);
63 #ifdef BACKEND_PERMISSION_IS_CYNARA
64 #include <cynara-client.h>
65 static int check_permission(const char *permission, struct afb_xreq *xreq)
67 static cynara *cynara;
72 rc = cynara_initialize(&cynara, NULL);
73 if (rc != CYNARA_API_SUCCESS) {
75 ERROR("cynara initialisation failed with code %d", rc);
79 rc = cynara_check(cynara, cred->label, afb_context_uuid(&xreq->context), xreq->cred->user, permission);
80 return rc == CYNARA_API_ACCESS_ALLOWED;
83 static int check_permission(const char *permission, struct afb_xreq *xreq)
85 WARNING("Granting permission %s by default", permission);