← Back to branch summary

~ubuntu-branches/ubuntu/gutsy/wpasupplicant/gutsy

« back to all changes in this revision

Viewing changes to src/drivers/driver_ndis_.c

  • Committer: Bazaar Package Importer
  • Author(s): Reinhard Tartler, Alexander Sack
  • Date: 2007-08-26 16:06:57 UTC
  • mfrom: (1.1.9 upstream)
  • Revision ID: james.westby@ubuntu.com-20070826160657-2m8pxoweuxe8f93t
Tags: 0.6.0+0.5.8-0ubuntu1
https://launchpad.net/bugs/140763
https://launchpad.net/bugs/141233
* New upstream release
* remove patch 11_erroneous_manpage_ref, applied upstream
* remove patch 25_wpas_dbus_unregister_iface_fix, applied upstream

[ Alexander Sack ]
* bumping upstream version to replace development version 0.6.0 with
  this package from stable release branch.
* attempt to fix wierd timeout and high latency issues by going
  back to stable upstream version (0.5.9) (LP: #140763,
  LP: #141233).

Show diffs side-by-side

added added

removed removed

Lines of Context:
src/drivers/driver_ndis_.c
1
 
/*
2
 
 * WPA Supplicant - Windows/NDIS driver interface - event processing
3
 
 * Copyright (c) 2004-2005, Jouni Malinen <j@w1.fi>
4
 
 *
5
 
 * This program is free software; you can redistribute it and/or modify
6
 
 * it under the terms of the GNU General Public License version 2 as
7
 
 * published by the Free Software Foundation.
8
 
 *
9
 
 * Alternatively, this software may be distributed under the terms of BSD
10
 
 * license.
11
 
 *
12
 
 * See README and COPYING for more details.
13
 
 */
14
 
 
15
 
#include "includes.h"
16
 
 
17
 
#include "common.h"
18
 
#include "driver.h"
19
 
#include "eloop.h"
20
 
 
21
 
/* Keep this event processing in a separate file and without WinPcap headers to
22
 
 * avoid conflicts with some of the header files. */
23
 
struct _ADAPTER;
24
 
typedef struct _ADAPTER * LPADAPTER;
25
 
#include "driver_ndis.h"
26
 
 
27
 
 
28
 
void wpa_driver_ndis_event_connect(struct wpa_driver_ndis_data *drv);
29
 
void wpa_driver_ndis_event_disconnect(struct wpa_driver_ndis_data *drv);
30
 
void wpa_driver_ndis_event_media_specific(struct wpa_driver_ndis_data *drv,
31
 
                                          const u8 *data, size_t data_len);
32
 
void wpa_driver_ndis_event_adapter_arrival(struct wpa_driver_ndis_data *drv);
33
 
void wpa_driver_ndis_event_adapter_removal(struct wpa_driver_ndis_data *drv);
34
 
 
35
 
 
36
 
enum event_types { EVENT_CONNECT, EVENT_DISCONNECT,
37
 
                   EVENT_MEDIA_SPECIFIC, EVENT_ADAPTER_ARRIVAL,
38
 
                   EVENT_ADAPTER_REMOVAL };
39
 
 
40
 
/* Event data:
41
 
 * enum event_types (as int, i.e., 4 octets)
42
 
 * data length (2 octets (big endian), optional)
43
 
 * data (variable len, optional)
44
 
 */
45
 
 
46
 
 
47
 
static void wpa_driver_ndis_event_process(struct wpa_driver_ndis_data *drv,
48
 
                                          u8 *buf, size_t len)
49
 
{
50
 
        u8 *pos, *data = NULL;
51
 
        enum event_types type;
52
 
        size_t data_len = 0;
53
 
 
54
 
        wpa_hexdump(MSG_MSGDUMP, "NDIS: received event data", buf, len);
55
 
        if (len < sizeof(int))
56
 
                return;
57
 
        type = *((int *) buf);
58
 
        pos = buf + sizeof(int);
59
 
        wpa_printf(MSG_DEBUG, "NDIS: event - type %d", type);
60
 
 
61
 
        if (buf + len - pos > 2) {
62
 
                data_len = (int) *pos++ << 8;
63
 
                data_len += *pos++;
64
 
                if (data_len > (size_t) (buf + len - pos)) {
65
 
                        wpa_printf(MSG_DEBUG, "NDIS: event data overflow");
66
 
                        return;
67
 
                }
68
 
                data = pos;
69
 
                wpa_hexdump(MSG_MSGDUMP, "NDIS: event data", data, data_len);
70
 
        }
71
 
 
72
 
        switch (type) {
73
 
        case EVENT_CONNECT:
74
 
                wpa_driver_ndis_event_connect(drv);
75
 
                break;
76
 
        case EVENT_DISCONNECT:
77
 
                wpa_driver_ndis_event_disconnect(drv);
78
 
                break;
79
 
        case EVENT_MEDIA_SPECIFIC:
80
 
                wpa_driver_ndis_event_media_specific(drv, data, data_len);
81
 
                break;
82
 
        case EVENT_ADAPTER_ARRIVAL:
83
 
                wpa_driver_ndis_event_adapter_arrival(drv);
84
 
                break;
85
 
        case EVENT_ADAPTER_REMOVAL:
86
 
                wpa_driver_ndis_event_adapter_removal(drv);
87
 
                break;
88
 
        }
89
 
}
90
 
 
91
 
 
92
 
void wpa_driver_ndis_event_pipe_cb(void *eloop_data, void *user_data)
93
 
{
94
 
        struct wpa_driver_ndis_data *drv = eloop_data;
95
 
        u8 buf[512];
96
 
        DWORD len;
97
 
 
98
 
        ResetEvent(drv->event_avail);
99
 
        if (ReadFile(drv->events_pipe, buf, sizeof(buf), &len, NULL))
100
 
                wpa_driver_ndis_event_process(drv, buf, len);
101
 
        else {
102
 
                wpa_printf(MSG_DEBUG, "%s: ReadFile() failed: %d", __func__,
103
 
                           (int) GetLastError());
104
 
        }
105
 
}