mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-29 18:58:21 -05:00
0f3d578efc
Remove the GPL notification text from the files that were initially contributed by myself. Signed-hostap: Jouni Malinen <j@w1.fi>
100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/*
|
|
* WPA Supplicant - Windows/NDIS driver interface - event processing
|
|
* Copyright (c) 2004-2005, Jouni Malinen <j@w1.fi>
|
|
*
|
|
* This software may be distributed under the terms of the BSD license.
|
|
* See README for more details.
|
|
*/
|
|
|
|
#include "includes.h"
|
|
|
|
#include "common.h"
|
|
#include "driver.h"
|
|
#include "eloop.h"
|
|
|
|
/* Keep this event processing in a separate file and without WinPcap headers to
|
|
* avoid conflicts with some of the header files. */
|
|
struct _ADAPTER;
|
|
typedef struct _ADAPTER * LPADAPTER;
|
|
#include "driver_ndis.h"
|
|
|
|
|
|
void wpa_driver_ndis_event_connect(struct wpa_driver_ndis_data *drv);
|
|
void wpa_driver_ndis_event_disconnect(struct wpa_driver_ndis_data *drv);
|
|
void wpa_driver_ndis_event_media_specific(struct wpa_driver_ndis_data *drv,
|
|
const u8 *data, size_t data_len);
|
|
void wpa_driver_ndis_event_adapter_arrival(struct wpa_driver_ndis_data *drv);
|
|
void wpa_driver_ndis_event_adapter_removal(struct wpa_driver_ndis_data *drv);
|
|
|
|
|
|
enum event_types { EVENT_CONNECT, EVENT_DISCONNECT,
|
|
EVENT_MEDIA_SPECIFIC, EVENT_ADAPTER_ARRIVAL,
|
|
EVENT_ADAPTER_REMOVAL };
|
|
|
|
/* Event data:
|
|
* enum event_types (as int, i.e., 4 octets)
|
|
* data length (2 octets (big endian), optional)
|
|
* data (variable len, optional)
|
|
*/
|
|
|
|
|
|
static void wpa_driver_ndis_event_process(struct wpa_driver_ndis_data *drv,
|
|
u8 *buf, size_t len)
|
|
{
|
|
u8 *pos, *data = NULL;
|
|
enum event_types type;
|
|
size_t data_len = 0;
|
|
|
|
wpa_hexdump(MSG_MSGDUMP, "NDIS: received event data", buf, len);
|
|
if (len < sizeof(int))
|
|
return;
|
|
type = *((int *) buf);
|
|
pos = buf + sizeof(int);
|
|
wpa_printf(MSG_DEBUG, "NDIS: event - type %d", type);
|
|
|
|
if (buf + len - pos > 2) {
|
|
data_len = (int) *pos++ << 8;
|
|
data_len += *pos++;
|
|
if (data_len > (size_t) (buf + len - pos)) {
|
|
wpa_printf(MSG_DEBUG, "NDIS: event data overflow");
|
|
return;
|
|
}
|
|
data = pos;
|
|
wpa_hexdump(MSG_MSGDUMP, "NDIS: event data", data, data_len);
|
|
}
|
|
|
|
switch (type) {
|
|
case EVENT_CONNECT:
|
|
wpa_driver_ndis_event_connect(drv);
|
|
break;
|
|
case EVENT_DISCONNECT:
|
|
wpa_driver_ndis_event_disconnect(drv);
|
|
break;
|
|
case EVENT_MEDIA_SPECIFIC:
|
|
wpa_driver_ndis_event_media_specific(drv, data, data_len);
|
|
break;
|
|
case EVENT_ADAPTER_ARRIVAL:
|
|
wpa_driver_ndis_event_adapter_arrival(drv);
|
|
break;
|
|
case EVENT_ADAPTER_REMOVAL:
|
|
wpa_driver_ndis_event_adapter_removal(drv);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
void wpa_driver_ndis_event_pipe_cb(void *eloop_data, void *user_data)
|
|
{
|
|
struct wpa_driver_ndis_data *drv = eloop_data;
|
|
u8 buf[512];
|
|
DWORD len;
|
|
|
|
ResetEvent(drv->event_avail);
|
|
if (ReadFile(drv->events_pipe, buf, sizeof(buf), &len, NULL))
|
|
wpa_driver_ndis_event_process(drv, buf, len);
|
|
else {
|
|
wpa_printf(MSG_DEBUG, "%s: ReadFile() failed: %d", __func__,
|
|
(int) GetLastError());
|
|
}
|
|
}
|