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62 lines
2.5 KiB
62 lines
2.5 KiB
/* |
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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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// 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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inline Permission stringToPermission(const char* arg) { |
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if (!strcmp(arg, "NETWORK")) { |
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return PERMISSION_NETWORK; |
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} |
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if (!strcmp(arg, "SYSTEM")) { |
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return PERMISSION_SYSTEM; |
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} |
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return PERMISSION_NONE; |
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} |
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#endif // NETD_INCLUDE_PERMISSION_H
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