/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef NETD_INCLUDE_PERMISSION_H
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#define NETD_INCLUDE_PERMISSION_H
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#include <string.h>
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// This enum represents the permissions we care about for networking. When applied to an app, it's
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// the permission the app (UID) has been granted. When applied to a network, it's the permission an
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// app must hold to be allowed to use the network. PERMISSION_NONE means "no special permission is
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// held by the app" or "no special permission is required to use the network".
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//
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// Permissions are flags that can be OR'ed together to represent combinations of permissions.
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//
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// PERMISSION_NONE is used for regular networks and apps, such as those that hold the
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// android.permission.INTERNET framework permission.
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//
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// PERMISSION_NETWORK is used for privileged networks and apps that can manipulate or access them,
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// such as those that hold the android.permission.CHANGE_NETWORK_STATE framework permission.
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//
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// PERMISSION_SYSTEM is used for system apps, such as those that are installed on the system
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// partition, those that hold the android.permission.CONNECTIVITY_INTERNAL framework permission and
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// those whose UID is less than FIRST_APPLICATION_UID.
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enum Permission {
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PERMISSION_NONE = 0x0,
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PERMISSION_NETWORK = 0x1,
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PERMISSION_SYSTEM = 0x3, // Includes PERMISSION_NETWORK.
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};
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inline const char *permissionToName(Permission permission) {
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switch (permission) {
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case PERMISSION_NONE: return "NONE";
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case PERMISSION_NETWORK: return "NETWORK";
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case PERMISSION_SYSTEM: return "SYSTEM";
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// No default statement. We want to see errors of the form:
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// "enumeration value 'PERMISSION_SYSTEM' not handled in switch [-Werror,-Wswitch]".
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}
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}
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#endif // NETD_INCLUDE_PERMISSION_H
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