1 files changed, 63 insertions, 0 deletions
diff --git a/netwerk/dns/PlatformDNSUnix.cpp b/netwerk/dns/PlatformDNSUnix.cpp
new file mode 100644
index 0000000000..dedbe337df
--- /dev/null
+++ b/netwerk/dns/PlatformDNSUnix.cpp
@@ -0,0 +1,63 @@
+/* -*- 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