int wpa_driver_awext_set_key(void *priv, wpa_alg alg,
const u8 *addr, int key_idx,
int set_tx, const u8 *seq, size_t seq_len,
const u8 *key, size_t key_len)
{
struct wpa_driver_awext_data *drv = priv;
return wpa_driver_wext_set_key(drv->wext, alg, addr, key_idx, set_tx, seq, seq_len, key, key_len);
}
static int wpa_driver_tista_set_key(void *priv, wpa_alg alg,
const u8 *addr, int key_idx,
int set_tx, const u8 *seq, size_t seq_len,
const u8 *key, size_t key_len)
{
struct wpa_driver_ti_data *drv = priv;
int ret;
wpa_printf(MSG_DEBUG, "%s", __func__);
TI_CHECK_DRIVER( drv->driver_is_loaded, -1 );
ret = wpa_driver_wext_set_key(drv->wext, alg, addr, key_idx, set_tx,
seq, seq_len, key, key_len);
return ret;
}
static int wpa_ndiswrapper_set_key(void *priv, wpa_alg alg, const u8 *addr,
int key_idx, int set_tx,
const u8 *seq, size_t seq_len,
const u8 *key, size_t key_len)
{
struct wpa_driver_ndiswrapper_data *drv = priv;
struct wpa_key wpa_key;
int ret = 0;
struct iwreq priv_req;
memset(&priv_req, 0, sizeof(priv_req));
wpa_key.alg = alg;
wpa_key.addr = addr;
wpa_key.key_index = key_idx;
wpa_key.set_tx = set_tx;
wpa_key.seq = seq;
wpa_key.seq_len = seq_len;
wpa_key.key = key;
wpa_key.key_len = key_len;
priv_req.u.data.pointer = (void *)&wpa_key;
priv_req.u.data.length = sizeof(wpa_key);
if (iw_set_ext(drv, WPA_SET_KEY, &priv_req) < 0)
ret = -1;
if (alg == WPA_ALG_NONE) {
/*
* ndiswrapper did not seem to be clearing keys properly in
* some cases with WPA_SET_KEY. For example, roaming from WPA
* enabled AP to plaintext one seemed to fail since the driver
* did not associate. Try to make sure the keys are cleared so
* that plaintext APs can be used in all cases.
*/
wpa_driver_wext_set_key(drv->wext, alg, addr, key_idx, set_tx,
seq, seq_len, key, key_len);
}
return ret;
}
static int
wpa_driver_madwifi_set_key(void *priv, wpa_alg alg,
const u8 *addr, int key_idx, int set_tx,
const u8 *seq, size_t seq_len,
const u8 *key, size_t key_len)
{
struct wpa_driver_madwifi_data *drv = priv;
struct ieee80211req_key wk;
char *alg_name;
u_int8_t cipher;
if (alg == WPA_ALG_NONE)
return wpa_driver_madwifi_del_key(drv, key_idx, addr);
switch (alg) {
case WPA_ALG_WEP:
if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
ETH_ALEN) == 0) {
/*
* madwifi did not seem to like static WEP key
* configuration with IEEE80211_IOCTL_SETKEY, so use
* Linux wireless extensions ioctl for this.
*/
return wpa_driver_wext_set_key(drv->wext, alg, addr,
key_idx, set_tx,
seq, seq_len,
key, key_len);
}
alg_name = "WEP";
cipher = IEEE80211_CIPHER_WEP;
break;
case WPA_ALG_TKIP:
alg_name = "TKIP";
cipher = IEEE80211_CIPHER_TKIP;
break;
case WPA_ALG_CCMP:
alg_name = "CCMP";
cipher = IEEE80211_CIPHER_AES_CCM;
break;
default:
wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
__FUNCTION__, alg);
return -1;
}
wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
"key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
(unsigned long) seq_len, (unsigned long) key_len);
if (seq_len > sizeof(u_int64_t)) {
wpa_printf(MSG_DEBUG, "%s: seq_len %lu too big",
__FUNCTION__, (unsigned long) seq_len);
return -2;
}
if (key_len > sizeof(wk.ik_keydata)) {
wpa_printf(MSG_DEBUG, "%s: key length %lu too big",
__FUNCTION__, (unsigned long) key_len);
return -3;
}
os_memset(&wk, 0, sizeof(wk));
wk.ik_type = cipher;
wk.ik_flags = IEEE80211_KEY_RECV;
if (addr == NULL ||
os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0)
wk.ik_flags |= IEEE80211_KEY_GROUP;
if (set_tx) {
wk.ik_flags |= IEEE80211_KEY_XMIT | IEEE80211_KEY_DEFAULT;
os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
} else
os_memset(wk.ik_macaddr, 0, IEEE80211_ADDR_LEN);
wk.ik_keyix = key_idx;
wk.ik_keylen = key_len;
#ifdef WORDS_BIGENDIAN
#define WPA_KEY_RSC_LEN 8
{
size_t i;
u8 tmp[WPA_KEY_RSC_LEN];
os_memset(tmp, 0, sizeof(tmp));
for (i = 0; i < seq_len; i++)
tmp[WPA_KEY_RSC_LEN - i - 1] = seq[i];
os_memcpy(&wk.ik_keyrsc, tmp, WPA_KEY_RSC_LEN);
}
#else /* WORDS_BIGENDIAN */
os_memcpy(&wk.ik_keyrsc, seq, seq_len);
#endif /* WORDS_BIGENDIAN */
os_memcpy(wk.ik_keydata, key, key_len);
return set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk), 1);
}
