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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=4 sw=2 sts=2 et cin: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "GetAddrInfo.h"
#include "mozilla/net/DNSPacket.h"
#include "nsIDNSService.h"
#include "mozilla/Maybe.h"
#include "mozilla/StaticPrefs_network.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <netinet/in.h>
#include <resolv.h>
namespace mozilla::net {
#define LOG(msg, ...) \
MOZ_LOG(gGetAddrInfoLog, LogLevel::Debug, ("[DNS]: " msg, ##__VA_ARGS__))
nsresult ResolveHTTPSRecordImpl(const nsACString& aHost, uint16_t aFlags,
TypeRecordResultType& aResult, uint32_t& aTTL) {
DNSPacket packet;
nsAutoCString host(aHost);
nsAutoCString cname;
nsresult rv;
if (xpc::IsInAutomation() &&
!StaticPrefs::network_dns_native_https_query_in_automation()) {
return NS_ERROR_UNKNOWN_HOST;
}
LOG("resolving %s\n", host.get());
// Perform the query
rv = packet.FillBuffer(
[&](unsigned char response[DNSPacket::MAX_SIZE]) -> int {
int len = 0;
#if defined(XP_LINUX)
len = res_nquery(&_res, host.get(), ns_c_in,
nsIDNSService::RESOLVE_TYPE_HTTPSSVC, response,
DNSPacket::MAX_SIZE);
#elif defined(XP_MACOSX)
len =
res_query(host.get(), ns_c_in, nsIDNSService::RESOLVE_TYPE_HTTPSSVC,
response, DNSPacket::MAX_SIZE);
#endif
if (len < 0) {
LOG("DNS query failed");
}
return len;
});
if (NS_FAILED(rv)) {
return rv;
}
return ParseHTTPSRecord(host, packet, aResult, aTTL);
}
} // namespace mozilla::net
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