61 lines
2.4 KiB
Plaintext
61 lines
2.4 KiB
Plaintext
/*
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* Copyright (C) 2019 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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package android.net;
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import android.net.ResolverHostsParcel;
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/**
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* Knobs for OEM to control alternative behavior.
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*
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* {@hide}
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*/
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parcelable ResolverOptionsParcel {
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/**
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* An IP/hostname mapping table for DNS local lookup customization.
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* WARNING: this is intended for local testing and other special situations.
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* Future versions of the DnsResolver module may break your assumptions.
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* Injecting static mappings for public hostnames is generally A VERY BAD IDEA,
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* since it makes it impossible for the domain owners to migrate the domain.
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* It is also not an effective domain blocking mechanism, because apps can
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* easily hardcode IPs or bypass the system DNS resolver.
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*/
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ResolverHostsParcel[] hosts = {};
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/**
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* Truncated UDP DNS response handling mode. Handling of UDP responses with the TC (truncated)
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* bit set. The values are defined in {@code IDnsResolver.aidl}
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* 0: TC_MODE_DEFAULT
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* 1: TC_MODE_UDP_TCP
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* Other values are invalid.
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*/
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int tcMode = 0;
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/**
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* The default behavior is that plaintext DNS queries are sent by the application's UID using
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* fchown(). DoT are sent with an UID of AID_DNS. This option control the plaintext uid of DNS
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* query.
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* Setting this option to true decreases battery life because it results in the device sending
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* UDP DNS queries even if the app that made the DNS lookup does not have network access.
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* Anecdotal data from the field suggests that about 15% of DNS lookups are in this category.
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* This option also results in data usage for UDP DNS queries being attributed to the OS instead
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* of to the requesting app.
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* false: set application uid on DNS sockets (default)
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* true: set AID_DNS on DNS sockets
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*/
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boolean enforceDnsUid = false;
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}
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