/*
* This file define the new driver API for Wireless Extensions
*
- * Version : 7 18.3.05
+ * Version : 8 16.3.07
*
* Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com>
- * Copyright (c) 2001-2006 Jean Tourrilhes, All Rights Reserved.
+ * Copyright (c) 2001-2007 Jean Tourrilhes, All Rights Reserved.
*/
#ifndef _IW_HANDLER_H
* will be needed...
* I just plan to increment with each new version.
*/
-#define IW_HANDLER_VERSION 7
+#define IW_HANDLER_VERSION 8
/*
* Changes :
* - Remove (struct iw_point *)->pointer from events and streams
* - Remove spy_offset from struct iw_handler_def
* - Add "check" version of event macros for ieee802.11 stack
+ *
+ * V7 to V8
+ * ----------
+ * - Prevent leaking of kernel space in stream on 64 bits.
*/
/**************************** CONSTANTS ****************************/
/* Check if it's possible */
if(likely((stream + event_len) < ends)) {
iwe->len = event_len;
- memcpy(stream, (char *) iwe, event_len);
+ /* Beware of alignement issues on 64 bits */
+ memcpy(stream, (char *) iwe, IW_EV_LCP_PK_LEN);
+ memcpy(stream + IW_EV_LCP_LEN,
+ ((char *) iwe) + IW_EV_LCP_LEN,
+ event_len - IW_EV_LCP_LEN);
stream += event_len;
}
return stream;
/* Check if it's possible */
if(likely((stream + event_len) < ends)) {
iwe->len = event_len;
- memcpy(stream, (char *) iwe, IW_EV_LCP_LEN);
+ memcpy(stream, (char *) iwe, IW_EV_LCP_PK_LEN);
memcpy(stream + IW_EV_LCP_LEN,
((char *) iwe) + IW_EV_LCP_LEN + IW_EV_POINT_OFF,
- IW_EV_POINT_LEN - IW_EV_LCP_LEN);
+ IW_EV_POINT_PK_LEN - IW_EV_LCP_PK_LEN);
memcpy(stream + IW_EV_POINT_LEN, extra, iwe->u.data.length);
stream += event_len;
}
/* Check if it's possible, set error if not */
if(likely((stream + event_len) < ends)) {
iwe->len = event_len;
- memcpy(stream, (char *) iwe, event_len);
+ /* Beware of alignement issues on 64 bits */
+ memcpy(stream, (char *) iwe, IW_EV_LCP_PK_LEN);
+ memcpy(stream + IW_EV_LCP_LEN,
+ ((char *) iwe) + IW_EV_LCP_LEN,
+ event_len - IW_EV_LCP_LEN);
stream += event_len;
} else
*perr = -E2BIG;
/* Check if it's possible */
if(likely((stream + event_len) < ends)) {
iwe->len = event_len;
- memcpy(stream, (char *) iwe, IW_EV_LCP_LEN);
+ memcpy(stream, (char *) iwe, IW_EV_LCP_PK_LEN);
memcpy(stream + IW_EV_LCP_LEN,
((char *) iwe) + IW_EV_LCP_LEN + IW_EV_POINT_OFF,
- IW_EV_POINT_LEN - IW_EV_LCP_LEN);
+ IW_EV_POINT_PK_LEN - IW_EV_LCP_PK_LEN);
memcpy(stream + IW_EV_POINT_LEN, extra, iwe->u.data.length);
stream += event_len;
} else