diff options
| -rw-r--r-- | source4/rpc_server/common/reply.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/source4/rpc_server/common/reply.c b/source4/rpc_server/common/reply.c index 42830ef225f..007b68083bf 100644 --- a/source4/rpc_server/common/reply.c +++ b/source4/rpc_server/common/reply.c @@ -187,8 +187,13 @@ _PUBLIC_ NTSTATUS dcesrv_reply(struct dcesrv_call_state *call) chunk_size -= DCERPC_REQUEST_LENGTH; if (call->conn->auth_state.auth_info && call->conn->auth_state.gensec_security) { + size_t max_payload = chunk_size; + + max_payload -= DCERPC_AUTH_TRAILER_LENGTH; + max_payload -= (max_payload % DCERPC_AUTH_PAD_ALIGNMENT); + sig_size = gensec_sig_size(call->conn->auth_state.gensec_security, - call->conn->cli_max_recv_frag); + max_payload); if (sig_size) { chunk_size -= DCERPC_AUTH_TRAILER_LENGTH; chunk_size -= sig_size; |