s4:librpc/rpc: fix memory hierachie in dcerpc_epm_map_binding_send()

We should allocate on 's' the internal state, not on the callers
mem_ctx.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>

diff --git a/source4/librpc/rpc/dcerpc_util.c b/source4/librpc/rpc/dcerpc_util.c
index 9a9dbc502dbddb0d1948facc0d678c8f5d510697..e43e4a0f009b001afd3555dca829a630a4e6a8bf 100644 (file)
--- a/source4/librpc/rpc/dcerpc_util.c
+++ b/source4/librpc/rpc/dcerpc_util.c
@@ -247,11 +247,6 @@ struct composite_context *dcerpc_epm_map_binding_send(TALLOC_CTX *mem_ctx,
        s->binding = binding;
        s->table   = table;
 
-       /* anonymous credentials for rpc connection used to get endpoint mapping */
-       anon_creds = cli_credentials_init(mem_ctx);
-       if (composite_nomem(anon_creds, c)) return c;
-       cli_credentials_set_anonymous(anon_creds);
-
        /*
          First, check if there is a default endpoint specified in the IDL
        */
@@ -291,7 +286,11 @@ struct composite_context *dcerpc_epm_map_binding_send(TALLOC_CTX *mem_ctx,
                }
        }
 
-       epmapper_binding = talloc_zero(c, struct dcerpc_binding);
+       /* anonymous credentials for rpc connection used to get endpoint mapping */
+       anon_creds = cli_credentials_init_anon(s);
+       if (composite_nomem(anon_creds, c)) return c;
+
+       epmapper_binding = talloc_zero(s, struct dcerpc_binding);
        if (composite_nomem(epmapper_binding, c)) return c;
 
        /* basic endpoint mapping data */
@@ -311,7 +310,7 @@ struct composite_context *dcerpc_epm_map_binding_send(TALLOC_CTX *mem_ctx,
        epmapper_binding->endpoint              = NULL;
 
        /* initiate rpc pipe connection */
-       pipe_connect_req = dcerpc_pipe_connect_b_send(c, epmapper_binding, 
+       pipe_connect_req = dcerpc_pipe_connect_b_send(s, epmapper_binding,
                                                      &ndr_table_epmapper,
                                                      anon_creds, c->event_ctx,
                                                      lp_ctx);