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upload android base code part6

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August 2018-08-08 17:48:24 +08:00
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android/system/netd/include/Permission.h Normal file
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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef NETD_INCLUDE_PERMISSION_H
#define NETD_INCLUDE_PERMISSION_H
// This enum represents the permissions we care about for networking. When applied to an app, it's
// the permission the app (UID) has been granted. When applied to a network, it's the permission an
// app must hold to be allowed to use the network. PERMISSION_NONE means "no special permission is
// held by the app" or "no special permission is required to use the network".
//
// Permissions are flags that can be OR'ed together to represent combinations of permissions.
//
// PERMISSION_NONE is used for regular networks and apps, such as those that hold the
// android.permission.INTERNET framework permission.
//
// PERMISSION_NETWORK is used for privileged networks and apps that can manipulate or access them,
// such as those that hold the android.permission.CHANGE_NETWORK_STATE framework permission.
//
// PERMISSION_SYSTEM is used for system apps, such as those that are installed on the system
// partition, those that hold the android.permission.CONNECTIVITY_INTERNAL framework permission and
// those whose UID is less than FIRST_APPLICATION_UID.
enum Permission {
PERMISSION_NONE = 0x0,
PERMISSION_NETWORK = 0x1,
PERMISSION_SYSTEM = 0x3, // Includes PERMISSION_NETWORK.
};
inline const char *permissionToName(Permission permission) {
switch (permission) {
case PERMISSION_NONE: return "NONE";
case PERMISSION_NETWORK: return "NETWORK";
case PERMISSION_SYSTEM: return "SYSTEM";
// No default statement. We want to see errors of the form:
// "enumeration value 'PERMISSION_SYSTEM' not handled in switch [-Werror,-Wswitch]".
}
}
inline Permission stringToPermission(const char* arg) {
if (!strcmp(arg, "NETWORK")) {
return PERMISSION_NETWORK;
}
if (!strcmp(arg, "SYSTEM")) {
return PERMISSION_SYSTEM;
}
return PERMISSION_NONE;
}
#endif // NETD_INCLUDE_PERMISSION_H