Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
Branch: ics
Fetching contributors…

Cannot retrieve contributors at this time

109 lines (92 sloc) 3.009 kB
/*
* WPA Supplicant - Windows/NDIS driver interface - event processing
* Copyright (c) 2004-2005, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#include "includes.h"
#include "common.h"
#include "driver.h"
#include "wpa_supplicant.h"
#include "l2_packet.h"
#include "eloop.h"
#include "wpa.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());
}
}
Jump to Line
Something went wrong with that request. Please try again.