s4:fix segfault in rpc-server, when client binds to unsupported service.

Signed-off-by: Michael Adam <obnox@samba.org>

diff --git a/source4/rpc_server/dcerpc_server.c b/source4/rpc_server/dcerpc_server.c
index 2c218bdc8d77922246e46a5e54c43ed8913d4288..5f055ae342bde7187440fcf9509f738651e9e114 100644 (file)
--- a/source4/rpc_server/dcerpc_server.c
+++ b/source4/rpc_server/dcerpc_server.c
@@ -648,7 +648,7 @@ static NTSTATUS dcesrv_bind(struct dcesrv_call_state *call)
        pkt.pfc_flags = DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST | extra_flags;
        pkt.u.bind_ack.max_xmit_frag = 0x2000;
        pkt.u.bind_ack.max_recv_frag = 0x2000;
-       pkt.u.bind_ack.assoc_group_id = call->context->assoc_group_id;
+       pkt.u.bind_ack.assoc_group_id = iface?call->context->assoc_group_id:0;
        if (iface) {
                /* FIXME: Use pipe name as specified by endpoint instead of interface name */
                pkt.u.bind_ack.secondary_address = talloc_asprintf(call, "\\PIPE\\%s", iface->name);