e212514bbf
This was missed in 4ca0669d1e and the
error condition would still fall through to an ErrorOr unwrapping which
caused a crash.
69 lines
2 KiB
C++
69 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 "DNSPacket.h"
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#include "LookupServer.h"
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#include <AK/IPv4Address.h>
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namespace LookupServer {
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static HashMap<int, RefPtr<ConnectionFromClient>> s_connections;
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ConnectionFromClient::ConnectionFromClient(NonnullOwnPtr<Core::Stream::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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ConnectionFromClient::~ConnectionFromClient()
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{
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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(String const& name)
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{
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auto maybe_answers = LookupServer::the().lookup(name, DNSRecordType::A);
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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, {} };
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}
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auto answers = maybe_answers.release_value();
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Vector<String> 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(String const& address)
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{
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if (address.length() != 4)
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return { 1, String() };
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IPv4Address ip_address { (const u8*)address.characters() };
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auto name = String::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, DNSRecordType::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, String() };
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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, String() };
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return { 0, answers[0].record_data() };
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}
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}
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