2 * WPA Supplicant - Windows/NDIS driver interface - event processing
3 * Copyright (c) 2004-2005, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
15 /* Keep this event processing in a separate file and without WinPcap headers to
16 * avoid conflicts with some of the header files. */
18 typedef struct _ADAPTER * LPADAPTER;
19 #include "driver_ndis.h"
22 void wpa_driver_ndis_event_connect(struct wpa_driver_ndis_data *drv);
23 void wpa_driver_ndis_event_disconnect(struct wpa_driver_ndis_data *drv);
24 void wpa_driver_ndis_event_media_specific(struct wpa_driver_ndis_data *drv,
25 const u8 *data, size_t data_len);
26 void wpa_driver_ndis_event_adapter_arrival(struct wpa_driver_ndis_data *drv);
27 void wpa_driver_ndis_event_adapter_removal(struct wpa_driver_ndis_data *drv);
30 enum event_types { EVENT_CONNECT, EVENT_DISCONNECT,
31 EVENT_MEDIA_SPECIFIC, EVENT_ADAPTER_ARRIVAL,
32 EVENT_ADAPTER_REMOVAL };
35 * enum event_types (as int, i.e., 4 octets)
36 * data length (2 octets (big endian), optional)
37 * data (variable len, optional)
41 static void wpa_driver_ndis_event_process(struct wpa_driver_ndis_data *drv,
44 u8 *pos, *data = NULL;
45 enum event_types type;
48 wpa_hexdump(MSG_MSGDUMP, "NDIS: received event data", buf, len);
49 if (len < sizeof(int))
51 type = *((int *) buf);
52 pos = buf + sizeof(int);
53 wpa_printf(MSG_DEBUG, "NDIS: event - type %d", type);
55 if (buf + len - pos > 2) {
56 data_len = (int) *pos++ << 8;
58 if (data_len > (size_t) (buf + len - pos)) {
59 wpa_printf(MSG_DEBUG, "NDIS: event data overflow");
63 wpa_hexdump(MSG_MSGDUMP, "NDIS: event data", data, data_len);
68 wpa_driver_ndis_event_connect(drv);
70 case EVENT_DISCONNECT:
71 wpa_driver_ndis_event_disconnect(drv);
73 case EVENT_MEDIA_SPECIFIC:
74 wpa_driver_ndis_event_media_specific(drv, data, data_len);
76 case EVENT_ADAPTER_ARRIVAL:
77 wpa_driver_ndis_event_adapter_arrival(drv);
79 case EVENT_ADAPTER_REMOVAL:
80 wpa_driver_ndis_event_adapter_removal(drv);
86 void wpa_driver_ndis_event_pipe_cb(void *eloop_data, void *user_data)
88 struct wpa_driver_ndis_data *drv = eloop_data;
92 ResetEvent(drv->event_avail);
93 if (ReadFile(drv->events_pipe, buf, sizeof(buf), &len, NULL))
94 wpa_driver_ndis_event_process(drv, buf, len);
96 wpa_printf(MSG_DEBUG, "%s: ReadFile() failed: %d", __func__,
97 (int) GetLastError());