ws2_32: Allow getsockname after AcceptEx.

dlls/ws2_32/tests/sock.c

@@ -8143,6 +8143,15 @@ static void test_AcceptEx(void)
     ok(bret, "GetOverlappedResult failed, error %ld\n", GetLastError());
     ok(bytesReturned == 0, "bytesReturned isn't supposed to be %ld\n", bytesReturned);
 
+    /* Try to call getsockname on the acceptor socket.
+     *
+     * On Windows, this requires setting SO_UPDATE_ACCEPT_CONTEXT. */
+    iret = setsockopt(acceptor, SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT, (char *)&listener, sizeof(SOCKET));
+    ok(!iret, "Failed to set accept context %ld\n", GetLastError());
+    iret = getsockname(acceptor, (struct sockaddr *)&peerAddress, &remoteSize);
+    ok(!iret, "getsockname failed.\n");
+    ok(remoteSize == sizeof(struct sockaddr_in), "got remote size %u\n", remoteSize);
+
     closesocket(connector);
     connector = INVALID_SOCKET;
     closesocket(acceptor);

server/sock.c

@@ -1846,6 +1846,7 @@ static int accept_into_socket( struct sock *sock, struct sock *acceptsock )
     }
 
     acceptsock->state = SOCK_CONNECTED;
+    acceptsock->bound = 1;
     acceptsock->pending_events = 0;
     acceptsock->reported_events = 0;
     acceptsock->proto   = sock->proto;