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hostap/hostapd/driver_madwifi.c
Jouni Malinen ad08c3633c Added preliminary Wi-Fi Protected Setup (WPS) implementation 
This adds WPS support for both hostapd and wpa_supplicant. Both programs
can be configured to act as WPS Enrollee and Registrar. Both PBC and PIN
methods are supported.

Currently, hostapd has more complete configuration option for WPS
parameters and wpa_supplicant configuration style will likely change in
the future. External Registrars are not yet supported in hostapd or
wpa_supplicant. While wpa_supplicant has initial support for acting as
an Registrar to configure an AP, this is still using number of hardcoded
parameters which will need to be made configurable for proper operation.
2008-11-23 19:34:26 +02:00

1481 lines
38 KiB
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/*
* hostapd / Driver interaction with MADWIFI 802.11 driver
* Copyright (c) 2004, Sam Leffler <sam@errno.com>
* Copyright (c) 2004, Video54 Technologies
* Copyright (c) 2005-2007, 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 <net/if.h>
#include <sys/ioctl.h>
#include <include/compat.h>
#include <net80211/ieee80211.h>
#ifdef WME_NUM_AC
/* Assume this is built against BSD branch of madwifi driver. */
#define MADWIFI_BSD
#include <net80211/_ieee80211.h>
#endif /* WME_NUM_AC */
#include <net80211/ieee80211_crypto.h>
#include <net80211/ieee80211_ioctl.h>
#ifdef CONFIG_WPS
#ifdef IEEE80211_IOCTL_FILTERFRAME
#include <netpacket/packet.h>
#ifndef ETH_P_80211_RAW
#define ETH_P_80211_RAW 0x0019
#endif
#endif /* IEEE80211_IOCTL_FILTERFRAME */
#endif /* CONFIG_WPS */
/*
* Avoid conflicts with hostapd definitions by undefining couple of defines
* from madwifi header files.
*/
#undef RSN_VERSION
#undef WPA_VERSION
#undef WPA_OUI_TYPE
#undef WME_OUI_TYPE
#ifdef IEEE80211_IOCTL_SETWMMPARAMS
/* Assume this is built against madwifi-ng */
#define MADWIFI_NG
#endif /* IEEE80211_IOCTL_SETWMMPARAMS */
#include "wireless_copy.h"
#include "hostapd.h"
#include "driver.h"
#include "ieee802_1x.h"
#include "eloop.h"
#include "priv_netlink.h"
#include "sta_info.h"
#include "l2_packet/l2_packet.h"
#include "wpa.h"
#include "radius/radius.h"
#include "ieee802_11.h"
#include "accounting.h"
#include "common.h"
#include "wps_hostapd.h"
struct madwifi_driver_data {
struct hostapd_data *hapd; /* back pointer */
char iface[IFNAMSIZ + 1];
int ifindex;
struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
struct l2_packet_data *sock_recv; /* raw packet recv socket */
int ioctl_sock; /* socket for ioctl() use */
int wext_sock; /* socket for wireless events */
int we_version;
u8 acct_mac[ETH_ALEN];
struct hostap_sta_driver_data acct_data;
struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
};
static int madwifi_sta_deauth(void *priv, const u8 *addr, int reason_code);
static int
set80211priv(struct madwifi_driver_data *drv, int op, void *data, int len)
{
struct iwreq iwr;
int do_inline = len < IFNAMSIZ;
memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
#ifdef IEEE80211_IOCTL_FILTERFRAME
/* FILTERFRAME must be NOT inline, regardless of size. */
if (op == IEEE80211_IOCTL_FILTERFRAME)
do_inline = 0;
#endif /* IEEE80211_IOCTL_FILTERFRAME */
if (do_inline) {
/*
* Argument data fits inline; put it there.
*/
memcpy(iwr.u.name, data, len);
} else {
/*
* Argument data too big for inline transfer; setup a
* parameter block instead; the kernel will transfer
* the data for the driver.
*/
iwr.u.data.pointer = data;
iwr.u.data.length = len;
}
if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
#ifdef MADWIFI_NG
int first = IEEE80211_IOCTL_SETPARAM;
static const char *opnames[] = {
"ioctl[IEEE80211_IOCTL_SETPARAM]",
"ioctl[IEEE80211_IOCTL_GETPARAM]",
"ioctl[IEEE80211_IOCTL_SETMODE]",
"ioctl[IEEE80211_IOCTL_GETMODE]",
"ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
"ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
"ioctl[IEEE80211_IOCTL_SETCHANLIST]",
"ioctl[IEEE80211_IOCTL_GETCHANLIST]",
"ioctl[IEEE80211_IOCTL_CHANSWITCH]",
"ioctl[IEEE80211_IOCTL_GET_APPIEBUF]",
"ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
"ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
"ioctl[IEEE80211_IOCTL_FILTERFRAME]",
"ioctl[IEEE80211_IOCTL_GETCHANINFO]",
"ioctl[IEEE80211_IOCTL_SETOPTIE]",
"ioctl[IEEE80211_IOCTL_GETOPTIE]",
"ioctl[IEEE80211_IOCTL_SETMLME]",
NULL,
"ioctl[IEEE80211_IOCTL_SETKEY]",
NULL,
"ioctl[IEEE80211_IOCTL_DELKEY]",
NULL,
"ioctl[IEEE80211_IOCTL_ADDMAC]",
NULL,
"ioctl[IEEE80211_IOCTL_DELMAC]",
NULL,
"ioctl[IEEE80211_IOCTL_WDSMAC]",
NULL,
"ioctl[IEEE80211_IOCTL_WDSDELMAC]",
NULL,
"ioctl[IEEE80211_IOCTL_KICKMAC]",
};
#else /* MADWIFI_NG */
int first = IEEE80211_IOCTL_SETPARAM;
static const char *opnames[] = {
"ioctl[IEEE80211_IOCTL_SETPARAM]",
"ioctl[IEEE80211_IOCTL_GETPARAM]",
"ioctl[IEEE80211_IOCTL_SETKEY]",
"ioctl[SIOCIWFIRSTPRIV+3]",
"ioctl[IEEE80211_IOCTL_DELKEY]",
"ioctl[SIOCIWFIRSTPRIV+5]",
"ioctl[IEEE80211_IOCTL_SETMLME]",
"ioctl[SIOCIWFIRSTPRIV+7]",
"ioctl[IEEE80211_IOCTL_SETOPTIE]",
"ioctl[IEEE80211_IOCTL_GETOPTIE]",
"ioctl[IEEE80211_IOCTL_ADDMAC]",
"ioctl[SIOCIWFIRSTPRIV+11]",
"ioctl[IEEE80211_IOCTL_DELMAC]",
"ioctl[SIOCIWFIRSTPRIV+13]",
"ioctl[IEEE80211_IOCTL_CHANLIST]",
"ioctl[SIOCIWFIRSTPRIV+15]",
"ioctl[IEEE80211_IOCTL_GETRSN]",
"ioctl[SIOCIWFIRSTPRIV+17]",
"ioctl[IEEE80211_IOCTL_GETKEY]",
};
#endif /* MADWIFI_NG */
int idx = op - first;
if (first <= op &&
idx < (int) (sizeof(opnames) / sizeof(opnames[0])) &&
opnames[idx])
perror(opnames[idx]);
else
perror("ioctl[unknown???]");
return -1;
}
return 0;
}
static int
set80211param(struct madwifi_driver_data *drv, int op, int arg)
{
struct iwreq iwr;
memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
iwr.u.mode = op;
memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));
if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
wpa_printf(MSG_DEBUG, "%s: Failed to set parameter (op %d "
"arg %d)", __func__, op, arg);
return -1;
}
return 0;
}
static const char *
ether_sprintf(const u8 *addr)
{
static char buf[sizeof(MACSTR)];
if (addr != NULL)
snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
else
snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
return buf;
}
/*
* Configure WPA parameters.
*/
static int
madwifi_configure_wpa(struct madwifi_driver_data *drv)
{
struct hostapd_data *hapd = drv->hapd;
struct hostapd_bss_config *conf = hapd->conf;
int v;
switch (conf->wpa_group) {
case WPA_CIPHER_CCMP:
v = IEEE80211_CIPHER_AES_CCM;
break;
case WPA_CIPHER_TKIP:
v = IEEE80211_CIPHER_TKIP;
break;
case WPA_CIPHER_WEP104:
v = IEEE80211_CIPHER_WEP;
break;
case WPA_CIPHER_WEP40:
v = IEEE80211_CIPHER_WEP;
break;
case WPA_CIPHER_NONE:
v = IEEE80211_CIPHER_NONE;
break;
default:
wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
conf->wpa_group);
return -1;
}
wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
printf("Unable to set group key cipher to %u\n", v);
return -1;
}
if (v == IEEE80211_CIPHER_WEP) {
/* key length is done only for specific ciphers */
v = (conf->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
printf("Unable to set group key length to %u\n", v);
return -1;
}
}
v = 0;
if (conf->wpa_pairwise & WPA_CIPHER_CCMP)
v |= 1<<IEEE80211_CIPHER_AES_CCM;
if (conf->wpa_pairwise & WPA_CIPHER_TKIP)
v |= 1<<IEEE80211_CIPHER_TKIP;
if (conf->wpa_pairwise & WPA_CIPHER_NONE)
v |= 1<<IEEE80211_CIPHER_NONE;
wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
printf("Unable to set pairwise key ciphers to 0x%x\n", v);
return -1;
}
wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
__func__, conf->wpa_key_mgmt);
if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS, conf->wpa_key_mgmt)) {
printf("Unable to set key management algorithms to 0x%x\n",
conf->wpa_key_mgmt);
return -1;
}
v = 0;
if (conf->rsn_preauth)
v |= BIT(0);
wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
__func__, conf->rsn_preauth);
if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
printf("Unable to set RSN capabilities to 0x%x\n", v);
return -1;
}
wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, conf->wpa);
if (set80211param(drv, IEEE80211_PARAM_WPA, conf->wpa)) {
printf("Unable to set WPA to %u\n", conf->wpa);
return -1;
}
return 0;
}
static int
madwifi_set_iface_flags(void *priv, int dev_up)
{
struct madwifi_driver_data *drv = priv;
struct ifreq ifr;
wpa_printf(MSG_DEBUG, "%s: dev_up=%d", __func__, dev_up);
if (drv->ioctl_sock < 0)
return -1;
memset(&ifr, 0, sizeof(ifr));
os_strlcpy(ifr.ifr_name, drv->iface, IFNAMSIZ);
if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
perror("ioctl[SIOCGIFFLAGS]");
return -1;
}
if (dev_up)
ifr.ifr_flags |= IFF_UP;
else
ifr.ifr_flags &= ~IFF_UP;
if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
perror("ioctl[SIOCSIFFLAGS]");
return -1;
}
if (dev_up) {
memset(&ifr, 0, sizeof(ifr));
os_strlcpy(ifr.ifr_name, drv->iface, IFNAMSIZ);
ifr.ifr_mtu = HOSTAPD_MTU;
if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
perror("ioctl[SIOCSIFMTU]");
printf("Setting MTU failed - trying to survive with "
"current value\n");
}
}
return 0;
}
static int
madwifi_set_ieee8021x(const char *ifname, void *priv, int enabled)
{
struct madwifi_driver_data *drv = priv;
struct hostapd_data *hapd = drv->hapd;
struct hostapd_bss_config *conf = hapd->conf;
wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
if (!enabled) {
/* XXX restore state */
return set80211param(priv, IEEE80211_PARAM_AUTHMODE,
IEEE80211_AUTH_AUTO);
}
if (!conf->wpa && !conf->ieee802_1x) {
hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
return -1;
}
if (conf->wpa && madwifi_configure_wpa(drv) != 0) {
hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
return -1;
}
if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
(conf->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
return -1;
}
return 0;
}
static int
madwifi_set_privacy(const char *ifname, void *priv, int enabled)
{
struct madwifi_driver_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
}
static int
madwifi_set_sta_authorized(void *priv, const u8 *addr, int authorized)
{
struct madwifi_driver_data *drv = priv;
struct ieee80211req_mlme mlme;
int ret;
wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
__func__, ether_sprintf(addr), authorized);
if (authorized)
mlme.im_op = IEEE80211_MLME_AUTHORIZE;
else
mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
mlme.im_reason = 0;
memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
if (ret < 0) {
wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
__func__, authorized ? "" : "un", MAC2STR(addr));
}
return ret;
}
static int
madwifi_sta_set_flags(void *priv, const u8 *addr, int total_flags,
int flags_or, int flags_and)
{
/* For now, only support setting Authorized flag */
if (flags_or & WLAN_STA_AUTHORIZED)
return madwifi_set_sta_authorized(priv, addr, 1);
if (!(flags_and & WLAN_STA_AUTHORIZED))
return madwifi_set_sta_authorized(priv, addr, 0);
return 0;
}
static int
madwifi_del_key(void *priv, const u8 *addr, int key_idx)
{
struct madwifi_driver_data *drv = priv;
struct ieee80211req_del_key wk;
int ret;
wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
__func__, ether_sprintf(addr), key_idx);
memset(&wk, 0, sizeof(wk));
if (addr != NULL) {
memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
} else {
wk.idk_keyix = key_idx;
}
ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
if (ret < 0) {
wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
" key_idx %d)", __func__, ether_sprintf(addr),
key_idx);
}
return ret;
}
static int
madwifi_set_key(const char *ifname, void *priv, const char *alg,
const u8 *addr, int key_idx,
const u8 *key, size_t key_len, int txkey)
{
struct madwifi_driver_data *drv = priv;
struct ieee80211req_key wk;
u_int8_t cipher;
int ret;
if (strcmp(alg, "none") == 0)
return madwifi_del_key(drv, addr, key_idx);
wpa_printf(MSG_DEBUG, "%s: alg=%s addr=%s key_idx=%d",
__func__, alg, ether_sprintf(addr), key_idx);
if (strcmp(alg, "WEP") == 0)
cipher = IEEE80211_CIPHER_WEP;
else if (strcmp(alg, "TKIP") == 0)
cipher = IEEE80211_CIPHER_TKIP;
else if (strcmp(alg, "CCMP") == 0)
cipher = IEEE80211_CIPHER_AES_CCM;
else {
printf("%s: unknown/unsupported algorithm %s\n",
__func__, alg);
return -1;
}
if (key_len > sizeof(wk.ik_keydata)) {
printf("%s: key length %lu too big\n", __func__,
(unsigned long) key_len);
return -3;
}
memset(&wk, 0, sizeof(wk));
wk.ik_type = cipher;
wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
if (addr == NULL) {
memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
wk.ik_keyix = key_idx;
wk.ik_flags |= IEEE80211_KEY_DEFAULT;
} else {
memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
wk.ik_keyix = IEEE80211_KEYIX_NONE;
}
wk.ik_keylen = key_len;
memcpy(wk.ik_keydata, key, key_len);
ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
if (ret < 0) {
wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
" key_idx %d alg '%s' key_len %lu txkey %d)",
__func__, ether_sprintf(wk.ik_macaddr), key_idx,
alg, (unsigned long) key_len, txkey);
}
return ret;
}
static int
madwifi_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
u8 *seq)
{
struct madwifi_driver_data *drv = priv;
struct ieee80211req_key wk;
wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
__func__, ether_sprintf(addr), idx);
memset(&wk, 0, sizeof(wk));
if (addr == NULL)
memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
else
memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
wk.ik_keyix = idx;
if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
"(addr " MACSTR " key_idx %d)",
__func__, MAC2STR(wk.ik_macaddr), idx);
return -1;
}
#ifdef WORDS_BIGENDIAN
{
/*
* wk.ik_keytsc is in host byte order (big endian), need to
* swap it to match with the byte order used in WPA.
*/
int i;
u8 tmp[WPA_KEY_RSC_LEN];
memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
}
}
#else /* WORDS_BIGENDIAN */
memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
#endif /* WORDS_BIGENDIAN */
return 0;
}
static int
madwifi_flush(void *priv)
{
#ifdef MADWIFI_BSD
u8 allsta[IEEE80211_ADDR_LEN];
memset(allsta, 0xff, IEEE80211_ADDR_LEN);
return madwifi_sta_deauth(priv, allsta, IEEE80211_REASON_AUTH_LEAVE);
#else /* MADWIFI_BSD */
return 0; /* XXX */
#endif /* MADWIFI_BSD */
}
static int
madwifi_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
const u8 *addr)
{
struct madwifi_driver_data *drv = priv;
#ifdef MADWIFI_BSD
struct ieee80211req_sta_stats stats;
memset(data, 0, sizeof(*data));
/*
* Fetch statistics for station from the system.
*/
memset(&stats, 0, sizeof(stats));
memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
if (set80211priv(drv,
#ifdef MADWIFI_NG
IEEE80211_IOCTL_STA_STATS,
#else /* MADWIFI_NG */
IEEE80211_IOCTL_GETSTASTATS,
#endif /* MADWIFI_NG */
&stats, sizeof(stats))) {
wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
MACSTR ")", __func__, MAC2STR(addr));
if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
memcpy(data, &drv->acct_data, sizeof(*data));
return 0;
}
printf("Failed to get station stats information element.\n");
return -1;
}
data->rx_packets = stats.is_stats.ns_rx_data;
data->rx_bytes = stats.is_stats.ns_rx_bytes;
data->tx_packets = stats.is_stats.ns_tx_data;
data->tx_bytes = stats.is_stats.ns_tx_bytes;
return 0;
#else /* MADWIFI_BSD */
char buf[1024], line[128], *pos;
FILE *f;
unsigned long val;
memset(data, 0, sizeof(*data));
snprintf(buf, sizeof(buf), "/proc/net/madwifi/%s/" MACSTR,
drv->iface, MAC2STR(addr));
f = fopen(buf, "r");
if (!f) {
if (memcmp(addr, drv->acct_mac, ETH_ALEN) != 0)
return -1;
memcpy(data, &drv->acct_data, sizeof(*data));
return 0;
}
/* Need to read proc file with in one piece, so use large enough
* buffer. */
setbuffer(f, buf, sizeof(buf));
while (fgets(line, sizeof(line), f)) {
pos = strchr(line, '=');
if (!pos)
continue;
*pos++ = '\0';
val = strtoul(pos, NULL, 10);
if (strcmp(line, "rx_packets") == 0)
data->rx_packets = val;
else if (strcmp(line, "tx_packets") == 0)
data->tx_packets = val;
else if (strcmp(line, "rx_bytes") == 0)
data->rx_bytes = val;
else if (strcmp(line, "tx_bytes") == 0)
data->tx_bytes = val;
}
fclose(f);
return 0;
#endif /* MADWIFI_BSD */
}
static int
madwifi_sta_clear_stats(void *priv, const u8 *addr)
{
#if defined(MADWIFI_BSD) && defined(IEEE80211_MLME_CLEAR_STATS)
struct madwifi_driver_data *drv = priv;
struct ieee80211req_mlme mlme;
int ret;
wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
sizeof(mlme));
if (ret < 0) {
wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
MACSTR ")", __func__, MAC2STR(addr));
}
return ret;
#else /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
return 0; /* FIX */
#endif /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
}
static int
madwifi_set_opt_ie(const char *ifname, void *priv, const u8 *ie, size_t ie_len)
{
/*
* Do nothing; we setup parameters at startup that define the
* contents of the beacon information element.
*/
return 0;
}
static int
madwifi_sta_deauth(void *priv, const u8 *addr, int reason_code)
{
struct madwifi_driver_data *drv = priv;
struct ieee80211req_mlme mlme;
int ret;
wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
__func__, ether_sprintf(addr), reason_code);
mlme.im_op = IEEE80211_MLME_DEAUTH;
mlme.im_reason = reason_code;
memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
if (ret < 0) {
wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
" reason %d)",
__func__, MAC2STR(addr), reason_code);
}
return ret;
}
static int
madwifi_sta_disassoc(void *priv, const u8 *addr, int reason_code)
{
struct madwifi_driver_data *drv = priv;
struct ieee80211req_mlme mlme;
int ret;
wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
__func__, ether_sprintf(addr), reason_code);
mlme.im_op = IEEE80211_MLME_DISASSOC;
mlme.im_reason = reason_code;
memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
if (ret < 0) {
wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
MACSTR " reason %d)",
__func__, MAC2STR(addr), reason_code);
}
return ret;
}
#ifdef CONFIG_WPS
#ifdef IEEE80211_IOCTL_FILTERFRAME
static void madwifi_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
size_t len)
{
struct madwifi_driver_data *drv = ctx;
const struct ieee80211_mgmt *mgmt;
const u8 *end, *ie;
u16 fc;
size_t ie_len;
/* Send Probe Request information to WPS processing */
if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
return;
mgmt = (const struct ieee80211_mgmt *) buf;
fc = le_to_host16(mgmt->frame_control);
if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ)
return;
end = buf + len;
ie = mgmt->u.probe_req.variable;
ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
hostapd_wps_probe_req_rx(drv->hapd, mgmt->sa, ie, ie_len);
}
#endif /* IEEE80211_IOCTL_FILTERFRAME */
#endif /* CONFIG_WPS */
static int madwifi_receive_probe_req(struct madwifi_driver_data *drv)
{
int ret = 0;
#ifdef CONFIG_WPS
#ifdef IEEE80211_IOCTL_FILTERFRAME
struct ieee80211req_set_filter filt;
wpa_printf(MSG_DEBUG, "%s Enter", __func__);
filt.app_filterype = IEEE80211_FILTER_TYPE_PROBE_REQ;
ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
sizeof(struct ieee80211req_set_filter));
if (ret)
return ret;
drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
madwifi_raw_receive, drv, 1);
if (drv->sock_raw == NULL)
return -1;
#endif /* IEEE80211_IOCTL_FILTERFRAME */
#endif /* CONFIG_WPS */
return ret;
}
static int
madwifi_del_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
{
struct hostapd_data *hapd = drv->hapd;
struct sta_info *sta;
hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "disassociated");
sta = ap_get_sta(hapd, addr);
if (sta != NULL) {
sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
ap_free_sta(hapd, sta);
}
return 0;
}
#ifdef CONFIG_WPS
static int
madwifi_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
{
struct madwifi_driver_data *drv = priv;
u8 buf[256];
struct ieee80211req_getset_appiebuf *beac_ie;
wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
(unsigned long) len);
beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
beac_ie->app_frmtype = frametype;
beac_ie->app_buflen = len;
memcpy(&(beac_ie->app_buf[0]), ie, len);
return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
sizeof(struct ieee80211req_getset_appiebuf) + len);
}
static int
madwifi_set_wps_beacon_ie(const char *ifname, void *priv, const u8 *ie,
size_t len)
{
return madwifi_set_wps_ie(priv, ie, len, IEEE80211_APPIE_FRAME_BEACON);
}
static int
madwifi_set_wps_probe_resp_ie(const char *ifname, void *priv, const u8 *ie,
size_t len)
{
return madwifi_set_wps_ie(priv, ie, len,
IEEE80211_APPIE_FRAME_PROBE_RESP);
}
#else /* CONFIG_WPS */
#define madwifi_set_wps_beacon_ie NULL
#define madwifi_set_wps_probe_resp_ie NULL
#endif /* CONFIG_WPS */
static int
madwifi_process_wpa_ie(struct madwifi_driver_data *drv, struct sta_info *sta)
{
struct hostapd_data *hapd = drv->hapd;
struct ieee80211req_wpaie ie;
int ielen, res;
u8 *iebuf;
/*
* Fetch negotiated WPA/RSN parameters from the system.
*/
memset(&ie, 0, sizeof(ie));
memcpy(ie.wpa_macaddr, sta->addr, IEEE80211_ADDR_LEN);
if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
wpa_printf(MSG_ERROR, "%s: Failed to get WPA/RSN IE",
__func__);
printf("Failed to get WPA/RSN information element.\n");
return -1; /* XXX not right */
}
wpa_hexdump(MSG_MSGDUMP, "madwifi req WPA IE",
ie.wpa_ie, IEEE80211_MAX_OPT_IE);
wpa_hexdump(MSG_MSGDUMP, "madwifi req RSN IE",
ie.rsn_ie, IEEE80211_MAX_OPT_IE);
iebuf = ie.wpa_ie;
/* madwifi seems to return some random data if WPA/RSN IE is not set.
* Assume the IE was not included if the IE type is unknown. */
if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
iebuf[1] = 0;
#ifdef MADWIFI_NG
if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
/* madwifi-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
* set. This is needed for WPA2. */
iebuf = ie.rsn_ie;
if (iebuf[0] != WLAN_EID_RSN)
iebuf[1] = 0;
}
#endif /* MADWIFI_NG */
ielen = iebuf[1];
if (ielen == 0) {
#ifdef CONFIG_WPS
if (hapd->conf->wps_state) {
wpa_printf(MSG_DEBUG, "STA did not include WPA/RSN IE "
"in (Re)Association Request - possible WPS "
"use");
sta->flags |= WLAN_STA_MAYBE_WPS;
return 0;
}
#endif /* CONFIG_WPS */
printf("No WPA/RSN information element for station!?\n");
return -1; /* XXX not right */
}
ielen += 2;
if (sta->wpa_sm == NULL)
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr);
if (sta->wpa_sm == NULL) {
printf("Failed to initialize WPA state machine\n");
return -1;
}
res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
iebuf, ielen, NULL, 0);
if (res != WPA_IE_OK) {
printf("WPA/RSN information element rejected? (res %u)\n", res);
return -1;
}
return 0;
}
static int
madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
{
struct hostapd_data *hapd = drv->hapd;
struct sta_info *sta;
int new_assoc;
hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "associated");
sta = ap_get_sta(hapd, addr);
if (sta) {
accounting_sta_stop(hapd, sta);
} else {
sta = ap_sta_add(hapd, addr);
if (sta == NULL)
return -1;
}
if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
/* Cached accounting data is not valid anymore. */
memset(drv->acct_mac, 0, ETH_ALEN);
memset(&drv->acct_data, 0, sizeof(drv->acct_data));
}
if (hapd->conf->wpa) {
if (madwifi_process_wpa_ie(drv, sta))
return -1;
}
/*
* Now that the internal station state is setup
* kick the authenticator into action.
*/
new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
hostapd_new_assoc_sta(hapd, sta, !new_assoc);
ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
return 0;
}
static void
madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv,
char *custom)
{
wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
char *pos;
u8 addr[ETH_ALEN];
pos = strstr(custom, "addr=");
if (pos == NULL) {
wpa_printf(MSG_DEBUG,
"MLME-MICHAELMICFAILURE.indication "
"without sender address ignored");
return;
}
pos += 5;
if (hwaddr_aton(pos, addr) == 0) {
ieee80211_michael_mic_failure(drv->hapd, addr, 1);
} else {
wpa_printf(MSG_DEBUG,
"MLME-MICHAELMICFAILURE.indication "
"with invalid MAC address");
}
} else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
char *key, *value;
u32 val;
key = custom;
while ((key = strchr(key, '\n')) != NULL) {
key++;
value = strchr(key, '=');
if (value == NULL)
continue;
*value++ = '\0';
val = strtoul(value, NULL, 10);
if (strcmp(key, "mac") == 0)
hwaddr_aton(value, drv->acct_mac);
else if (strcmp(key, "rx_packets") == 0)
drv->acct_data.rx_packets = val;
else if (strcmp(key, "tx_packets") == 0)
drv->acct_data.tx_packets = val;
else if (strcmp(key, "rx_bytes") == 0)
drv->acct_data.rx_bytes = val;
else if (strcmp(key, "tx_bytes") == 0)
drv->acct_data.tx_bytes = val;
key = value;
}
}
}
static void
madwifi_wireless_event_wireless(struct madwifi_driver_data *drv,
char *data, int len)
{
struct iw_event iwe_buf, *iwe = &iwe_buf;
char *pos, *end, *custom, *buf;
pos = data;
end = data + len;
while (pos + IW_EV_LCP_LEN <= end) {
/* Event data may be unaligned, so make a local, aligned copy
* before processing. */
memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
iwe->cmd, iwe->len);
if (iwe->len <= IW_EV_LCP_LEN)
return;
custom = pos + IW_EV_POINT_LEN;
if (drv->we_version > 18 &&
(iwe->cmd == IWEVMICHAELMICFAILURE ||
iwe->cmd == IWEVCUSTOM)) {
/* WE-19 removed the pointer from struct iw_point */
char *dpos = (char *) &iwe_buf.u.data.length;
int dlen = dpos - (char *) &iwe_buf;
memcpy(dpos, pos + IW_EV_LCP_LEN,
sizeof(struct iw_event) - dlen);
} else {
memcpy(&iwe_buf, pos, sizeof(struct iw_event));
custom += IW_EV_POINT_OFF;
}
switch (iwe->cmd) {
case IWEVEXPIRED:
madwifi_del_sta(drv, (u8 *) iwe->u.addr.sa_data);
break;
case IWEVREGISTERED:
madwifi_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
break;
case IWEVCUSTOM:
if (custom + iwe->u.data.length > end)
return;
buf = malloc(iwe->u.data.length + 1);
if (buf == NULL)
return; /* XXX */
memcpy(buf, custom, iwe->u.data.length);
buf[iwe->u.data.length] = '\0';
madwifi_wireless_event_wireless_custom(drv, buf);
free(buf);
break;
}
pos += iwe->len;
}
}
static void
madwifi_wireless_event_rtm_newlink(struct madwifi_driver_data *drv,
struct nlmsghdr *h, int len)
{
struct ifinfomsg *ifi;
int attrlen, nlmsg_len, rta_len;
struct rtattr * attr;
if (len < (int) sizeof(*ifi))
return;
ifi = NLMSG_DATA(h);
if (ifi->ifi_index != drv->ifindex)
return;
nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
attrlen = h->nlmsg_len - nlmsg_len;
if (attrlen < 0)
return;
attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
rta_len = RTA_ALIGN(sizeof(struct rtattr));
while (RTA_OK(attr, attrlen)) {
if (attr->rta_type == IFLA_WIRELESS) {
madwifi_wireless_event_wireless(
drv, ((char *) attr) + rta_len,
attr->rta_len - rta_len);
}
attr = RTA_NEXT(attr, attrlen);
}
}
static void
madwifi_wireless_event_receive(int sock, void *eloop_ctx, void *sock_ctx)
{
char buf[256];
int left;
struct sockaddr_nl from;
socklen_t fromlen;
struct nlmsghdr *h;
struct madwifi_driver_data *drv = eloop_ctx;
fromlen = sizeof(from);
left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
(struct sockaddr *) &from, &fromlen);
if (left < 0) {
if (errno != EINTR && errno != EAGAIN)
perror("recvfrom(netlink)");
return;
}
h = (struct nlmsghdr *) buf;
while (left >= (int) sizeof(*h)) {
int len, plen;
len = h->nlmsg_len;
plen = len - sizeof(*h);
if (len > left || plen < 0) {
printf("Malformed netlink message: "
"len=%d left=%d plen=%d\n",
len, left, plen);
break;
}
switch (h->nlmsg_type) {
case RTM_NEWLINK:
madwifi_wireless_event_rtm_newlink(drv, h, plen);
break;
}
len = NLMSG_ALIGN(len);
left -= len;
h = (struct nlmsghdr *) ((char *) h + len);
}
if (left > 0) {
printf("%d extra bytes in the end of netlink message\n", left);
}
}
static int
madwifi_get_we_version(struct madwifi_driver_data *drv)
{
struct iw_range *range;
struct iwreq iwr;
int minlen;
size_t buflen;
drv->we_version = 0;
/*
* Use larger buffer than struct iw_range in order to allow the
* structure to grow in the future.
*/
buflen = sizeof(struct iw_range) + 500;
range = os_zalloc(buflen);
if (range == NULL)
return -1;
memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
iwr.u.data.pointer = (caddr_t) range;
iwr.u.data.length = buflen;
minlen = ((char *) &range->enc_capa) - (char *) range +
sizeof(range->enc_capa);
if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
perror("ioctl[SIOCGIWRANGE]");
free(range);
return -1;
} else if (iwr.u.data.length >= minlen &&
range->we_version_compiled >= 18) {
wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
"WE(source)=%d enc_capa=0x%x",
range->we_version_compiled,
range->we_version_source,
range->enc_capa);
drv->we_version = range->we_version_compiled;
}
free(range);
return 0;
}
static int
madwifi_wireless_event_init(void *priv)
{
struct madwifi_driver_data *drv = priv;
int s;
struct sockaddr_nl local;
madwifi_get_we_version(drv);
drv->wext_sock = -1;
s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (s < 0) {
perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
return -1;
}
memset(&local, 0, sizeof(local));
local.nl_family = AF_NETLINK;
local.nl_groups = RTMGRP_LINK;
if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
perror("bind(netlink)");
close(s);
return -1;
}
eloop_register_read_sock(s, madwifi_wireless_event_receive, drv, NULL);
drv->wext_sock = s;
return 0;
}
static void
madwifi_wireless_event_deinit(void *priv)
{
struct madwifi_driver_data *drv = priv;
if (drv != NULL) {
if (drv->wext_sock < 0)
return;
eloop_unregister_read_sock(drv->wext_sock);
close(drv->wext_sock);
}
}
static int
madwifi_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
int encrypt, const u8 *own_addr)
{
struct madwifi_driver_data *drv = priv;
unsigned char buf[3000];
unsigned char *bp = buf;
struct l2_ethhdr *eth;
size_t len;
int status;
/*
* Prepend the Ethernet header. If the caller left us
* space at the front we could just insert it but since
* we don't know we copy to a local buffer. Given the frequency
* and size of frames this probably doesn't matter.
*/
len = data_len + sizeof(struct l2_ethhdr);
if (len > sizeof(buf)) {
bp = malloc(len);
if (bp == NULL) {
printf("EAPOL frame discarded, cannot malloc temp "
"buffer of size %lu!\n", (unsigned long) len);
return -1;
}
}
eth = (struct l2_ethhdr *) bp;
memcpy(eth->h_dest, addr, ETH_ALEN);
memcpy(eth->h_source, own_addr, ETH_ALEN);
eth->h_proto = htons(ETH_P_EAPOL);
memcpy(eth+1, data, data_len);
wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
if (bp != buf)
free(bp);
return status;
}
static void
handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
{
struct madwifi_driver_data *drv = ctx;
struct hostapd_data *hapd = drv->hapd;
struct sta_info *sta;
sta = ap_get_sta(hapd, src_addr);
if (!sta || !(sta->flags & WLAN_STA_ASSOC)) {
printf("Data frame from not associated STA %s\n",
ether_sprintf(src_addr));
/* XXX cannot happen */
return;
}
ieee802_1x_receive(hapd, src_addr, buf + sizeof(struct l2_ethhdr),
len - sizeof(struct l2_ethhdr));
}
static void *
madwifi_init(struct hostapd_data *hapd)
{
struct madwifi_driver_data *drv;
struct ifreq ifr;
struct iwreq iwr;
drv = os_zalloc(sizeof(struct madwifi_driver_data));
if (drv == NULL) {
printf("Could not allocate memory for madwifi driver data\n");
return NULL;
}
drv->hapd = hapd;
drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
if (drv->ioctl_sock < 0) {
perror("socket[PF_INET,SOCK_DGRAM]");
goto bad;
}
memcpy(drv->iface, hapd->conf->iface, sizeof(drv->iface));
memset(&ifr, 0, sizeof(ifr));
os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
perror("ioctl(SIOCGIFINDEX)");
goto bad;
}
drv->ifindex = ifr.ifr_ifindex;
drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
handle_read, drv, 1);
if (drv->sock_xmit == NULL)
goto bad;
if (l2_packet_get_own_addr(drv->sock_xmit, hapd->own_addr))
goto bad;
if (hapd->conf->bridge[0] != '\0') {
wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
hapd->conf->bridge);
drv->sock_recv = l2_packet_init(hapd->conf->bridge, NULL,
ETH_P_EAPOL, handle_read, drv,
1);
if (drv->sock_recv == NULL)
goto bad;
} else
drv->sock_recv = drv->sock_xmit;
memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
iwr.u.mode = IW_MODE_MASTER;
if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
perror("ioctl[SIOCSIWMODE]");
printf("Could not set interface to master mode!\n");
goto bad;
}
madwifi_set_iface_flags(drv, 0); /* mark down during setup */
madwifi_set_privacy(drv->iface, drv, 0); /* default to no privacy */
madwifi_receive_probe_req(drv);
return drv;
bad:
if (drv->sock_xmit != NULL)
l2_packet_deinit(drv->sock_xmit);
if (drv->ioctl_sock >= 0)
close(drv->ioctl_sock);
if (drv != NULL)
free(drv);
return NULL;
}
static void
madwifi_deinit(void *priv)
{
struct madwifi_driver_data *drv = priv;
(void) madwifi_set_iface_flags(drv, 0);
if (drv->ioctl_sock >= 0)
close(drv->ioctl_sock);
if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
l2_packet_deinit(drv->sock_recv);
if (drv->sock_xmit != NULL)
l2_packet_deinit(drv->sock_xmit);
if (drv->sock_raw)
l2_packet_deinit(drv->sock_raw);
free(drv);
}
static int
madwifi_set_ssid(const char *ifname, void *priv, const u8 *buf, int len)
{
struct madwifi_driver_data *drv = priv;
struct iwreq iwr;
memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
iwr.u.essid.flags = 1; /* SSID active */
iwr.u.essid.pointer = (caddr_t) buf;
iwr.u.essid.length = len + 1;
if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
perror("ioctl[SIOCSIWESSID]");
printf("len=%d\n", len);
return -1;
}
return 0;
}
static int
madwifi_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
{
struct madwifi_driver_data *drv = priv;
struct iwreq iwr;
int ret = 0;
memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
iwr.u.essid.pointer = (caddr_t) buf;
iwr.u.essid.length = len;
if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
perror("ioctl[SIOCGIWESSID]");
ret = -1;
} else
ret = iwr.u.essid.length;
return ret;
}
static int
madwifi_set_countermeasures(void *priv, int enabled)
{
struct madwifi_driver_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
}
static int
madwifi_commit(void *priv)
{
return madwifi_set_iface_flags(priv, 1);
}
const struct wpa_driver_ops wpa_driver_madwifi_ops = {
.name = "madwifi",
.init = madwifi_init,
.deinit = madwifi_deinit,
.set_ieee8021x = madwifi_set_ieee8021x,
.set_privacy = madwifi_set_privacy,
.set_encryption = madwifi_set_key,
.get_seqnum = madwifi_get_seqnum,
.flush = madwifi_flush,
.set_generic_elem = madwifi_set_opt_ie,
.wireless_event_init = madwifi_wireless_event_init,
.wireless_event_deinit = madwifi_wireless_event_deinit,
.sta_set_flags = madwifi_sta_set_flags,
.read_sta_data = madwifi_read_sta_driver_data,
.send_eapol = madwifi_send_eapol,
.sta_disassoc = madwifi_sta_disassoc,
.sta_deauth = madwifi_sta_deauth,
.set_ssid = madwifi_set_ssid,
.get_ssid = madwifi_get_ssid,
.set_countermeasures = madwifi_set_countermeasures,
.sta_clear_stats = madwifi_sta_clear_stats,
.commit = madwifi_commit,
.set_wps_beacon_ie = madwifi_set_wps_beacon_ie,
.set_wps_probe_resp_ie = madwifi_set_wps_probe_resp_ie,
};
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