mirror of
https://github.com/RGBCube/serenity
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5e1499d104
This commit un-deprecates DeprecatedString, and repurposes it as a byte
string.
As the null state has already been removed, there are no other
particularly hairy blockers in repurposing this type as a byte string
(what it _really_ is).
This commit is auto-generated:
$ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \
Meta Ports Ladybird Tests Kernel)
$ perl -pie 's/\bDeprecatedString\b/ByteString/g;
s/deprecated_string/byte_string/g' $xs
$ clang-format --style=file -i \
$(git diff --name-only | grep \.cpp\|\.h)
$ gn format $(git ls-files '*.gn' '*.gni')
67 lines
2 KiB
C++
67 lines
2 KiB
C++
/*
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* Copyright (c) 2021, Sergey Bugaev <bugaevc@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "ConnectionFromClient.h"
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#include "LookupServer.h"
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#include <AK/IPv4Address.h>
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#include <LibDNS/Packet.h>
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namespace LookupServer {
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using namespace DNS;
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static HashMap<int, RefPtr<ConnectionFromClient>> s_connections;
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ConnectionFromClient::ConnectionFromClient(NonnullOwnPtr<Core::LocalSocket> socket, int client_id)
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: IPC::ConnectionFromClient<LookupClientEndpoint, LookupServerEndpoint>(*this, move(socket), client_id)
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{
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s_connections.set(client_id, *this);
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}
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void ConnectionFromClient::die()
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{
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s_connections.remove(client_id());
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}
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Messages::LookupServer::LookupNameResponse ConnectionFromClient::lookup_name(ByteString const& name)
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{
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auto maybe_answers = LookupServer::the().lookup(name, RecordType::A);
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if (maybe_answers.is_error()) {
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dbgln("LookupServer: Failed to lookup A record: {}", maybe_answers.error());
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return { 1, {} };
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}
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auto answers = maybe_answers.release_value();
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Vector<ByteString> addresses;
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for (auto& answer : answers) {
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addresses.append(answer.record_data());
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}
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return { 0, move(addresses) };
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}
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Messages::LookupServer::LookupAddressResponse ConnectionFromClient::lookup_address(ByteString const& address)
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{
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if (address.length() != 4)
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return { 1, ByteString() };
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IPv4Address ip_address { (u8 const*)address.characters() };
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auto name = ByteString::formatted("{}.{}.{}.{}.in-addr.arpa",
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ip_address[3],
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ip_address[2],
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ip_address[1],
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ip_address[0]);
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auto maybe_answers = LookupServer::the().lookup(name, RecordType::PTR);
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if (maybe_answers.is_error()) {
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dbgln("LookupServer: Failed to lookup PTR record: {}", maybe_answers.error());
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return { 1, ByteString() };
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}
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auto answers = maybe_answers.release_value();
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if (answers.is_empty())
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return { 1, ByteString() };
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return { 0, answers[0].record_data() };
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}
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}
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