libstore: refuse to serialise ancient protocols

We don't want to deal with these at all, let's stop doing so.

(marking this one as the fix commit since its immediate predecessors
aren't the complete fix)
Fixes: https://git.lix.systems/lix-project/lix/issues/325

Change-Id: Ieea1b0b8ac0f903d1e24e5b3e63cfe12eeec119d

1 files changed, 3 insertions, 12 deletions

diff --git a/src/libstore/daemon.cc b/src/libstore/daemon.cc
index e256ad1de..c89b5f5b3 100644
--- a/src/libstore/daemon.cc
+++ b/src/libstore/daemon.cc
@@ -264,14 +264,8 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
     TrustedFlag trusted, RecursiveFlag recursive, WorkerProto::Version clientVersion,
     Source & from, BufferedSink & to, WorkerProto::Op op)
 {
-    WorkerProto::ReadConn rconn {
-        .from = from,
-        .version = clientVersion,
-    };
-    WorkerProto::WriteConn wconn {
-        .to = to,
-        .version = clientVersion,
-    };
+    WorkerProto::ReadConn rconn{from, clientVersion};
+    WorkerProto::WriteConn wconn{to, clientVersion};
 
     switch (op) {
 
@@ -1030,10 +1024,7 @@ void processConnection(
         auto temp = trusted
             ? store->isTrustedClient()
             : std::optional { NotTrusted };
-        WorkerProto::WriteConn wconn {
-            .to = to,
-            .version = clientVersion,
-        };
+        WorkerProto::WriteConn wconn {to, clientVersion};
         WorkerProto::write(*store, wconn, temp);
     }