From f7777922edd673e43fd670d3d28f052fde2ecc0a Mon Sep 17 00:00:00 2001 From: dimitri staessens Date: Thu, 25 Aug 2016 15:54:02 +0200 Subject: ipcpd, normal: Safe handling of CDAP requests Destruction of the object in the reply stage was unsafe. --- src/ipcpd/normal/cdap_request.h | 77 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 src/ipcpd/normal/cdap_request.h (limited to 'src/ipcpd/normal/cdap_request.h') diff --git a/src/ipcpd/normal/cdap_request.h b/src/ipcpd/normal/cdap_request.h new file mode 100644 index 00000000..b3be44f8 --- /dev/null +++ b/src/ipcpd/normal/cdap_request.h @@ -0,0 +1,77 @@ +/* + * Ouroboros - Copyright (C) 2016 + * + * Normal IPCP - RIB Manager - CDAP request + * + * Sander Vrijders + * Dimitri Staessens + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef OUROBOROS_IPCPD_NORMAL_CDAP_REQUEST_H +#define OUROBOROS_IPCPD_NORMAL_CDAP_REQUEST_H + +#include +#include +#include + +#include + +enum cdap_opcode { + READ = 0, + WRITE, + START, + STOP, + CREATE, + DELETE +}; + +enum creq_state { + REQ_INIT = 0, + REQ_PENDING, + REQ_RESPONSE, + REQ_DONE, + REQ_DESTROY +}; + +struct cdap_request { + struct list_head next; + + enum cdap_opcode code; + char * name; + int invoke_id; + struct cdap * instance; + + int result; + + enum creq_state state; + pthread_cond_t cond; + pthread_mutex_t lock; +}; + +struct cdap_request * cdap_request_create(enum cdap_opcode code, + char * name, + int invoke_id, + struct cdap * instance); + +void cdap_request_destroy(struct cdap_request * creq); + +int cdap_request_wait(struct cdap_request * creq); + +void cdap_request_respond(struct cdap_request * creq, + int response); + +#endif /* OUROBOROS_IPCPD_NORMAL_CDAP_REQUEST_H */ -- cgit v1.2.3