tor-browser

commit ba6fe1dd163d272656332a3d825c716a3ad9dedc
parent 00a66cf54e414c68fd709d5d18be2cf4c07ab87c
Author: Kershaw Chang <kershaw@mozilla.com>
Date:   Tue, 14 Oct 2025 08:25:00 +0000

Bug 1993438 - Make Alt-Svc work for connect-udp, r=necko-reviewers,valentin

Depends on D268120

Differential Revision: https://phabricator.services.mozilla.com/D268121

Diffstat:
M
netwerk/protocol/http/AlternateServices.cpp
 | 
4
++--
M
netwerk/protocol/http/Http3ConnectUDPStream.cpp
 | 
12
+++++++++---

2 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/netwerk/protocol/http/AlternateServices.cpp b/netwerk/protocol/http/AlternateServices.cpp
@@ -1130,8 +1130,8 @@ void AltSvcCache::UpdateAltServiceMapping(
   }
 
   if (map->IsHttp3()) {
-    bool isDirectOrNoProxy = pi ? pi->IsDirect() : true;
-    if (!isDirectOrNoProxy) {
+    bool isProxyAllowed = pi ? (pi->IsDirect() || pi->IsHttp3Proxy()) : true;
+    if (!isProxyAllowed) {
       LOG(
           ("AltSvcCache::UpdateAltServiceMapping %p map %p ignored h3 because "
            "proxy is in use %p\n",
diff --git a/netwerk/protocol/http/Http3ConnectUDPStream.cpp b/netwerk/protocol/http/Http3ConnectUDPStream.cpp
@@ -101,13 +101,19 @@ nsresult Http3ConnectUDPStream::TryActivating() {
     return NS_ERROR_UNEXPECTED;
   }
 
-  nsresult rv = builder->Set("target_host"_ns,
-                             mTransaction->ConnectionInfo()->GetOrigin());
+  bool useRoutedHost =
+      !mTransaction->ConnectionInfo()->GetRoutedHost().IsEmpty();
+  nsresult rv = builder->Set(
+      "target_host"_ns, useRoutedHost
+                            ? mTransaction->ConnectionInfo()->GetRoutedHost()
+                            : mTransaction->ConnectionInfo()->GetOrigin());
   if (NS_FAILED(rv)) {
     return rv;
   }
   rv = builder->Set("target_port"_ns,
-                    mTransaction->ConnectionInfo()->OriginPort());
+                    useRoutedHost
+                        ? mTransaction->ConnectionInfo()->RoutedPort()
+                        : mTransaction->ConnectionInfo()->OriginPort());
   if (NS_FAILED(rv)) {
     return rv;
   }