s3:librpc: use netsec_outgoing_sig_size() instead of a hardcoded signature

size

metze

diff --git a/source3/librpc/rpc/dcerpc_helpers.c b/source3/librpc/rpc/dcerpc_helpers.c
index a94f6c88fab0faac8ab811977946eefad8898e88..f45ee941c1f19f78dde953a0d6cbb6f521464f9f 100644 (file)
--- a/source3/librpc/rpc/dcerpc_helpers.c
+++ b/source3/librpc/rpc/dcerpc_helpers.c
@@ -266,6 +266,7 @@ NTSTATUS dcerpc_guess_sizes(struct pipe_auth_data *auth,
 {
        size_t max_len;
        size_t mod_len;
+       struct schannel_state *schannel_auth;
        struct spnego_context *spnego_ctx;
        struct gse_context *gse_ctx;
        enum spnego_mech auth_type;
@@ -336,7 +337,9 @@ NTSTATUS dcerpc_guess_sizes(struct pipe_auth_data *auth,
                break;
 
        case DCERPC_AUTH_TYPE_SCHANNEL:
-               *auth_len = NL_AUTH_SIGNATURE_SIZE;
+               schannel_auth = talloc_get_type_abort(auth->auth_ctx,
+                                                     struct schannel_state);
+               *auth_len = netsec_outgoing_sig_size(schannel_auth);
                break;
 
        case DCERPC_AUTH_TYPE_KRB5: