};
#define MAX_CUSTOM_LEN 64
-static inline char *ipw2100_translate_scan(struct ieee80211_device *ieee,
+static char *ipw2100_translate_scan(struct ieee80211_device *ieee,
char *start, char *stop,
struct ieee80211_network *network)
{
(ieee->perfect_rssi - ieee->worst_rssi) -
(ieee->perfect_rssi - network->stats.rssi) *
(15 * (ieee->perfect_rssi - ieee->worst_rssi) +
- 62 * (ieee->perfect_rssi - network->stats.rssi))) /
- ((ieee->perfect_rssi - ieee->worst_rssi) *
- (ieee->perfect_rssi - ieee->worst_rssi));
+ 62 * (ieee->perfect_rssi -
+ network->stats.rssi))) /
+ ((ieee->perfect_rssi -
+ ieee->worst_rssi) * (ieee->perfect_rssi -
+ ieee->worst_rssi));
if (iwe.u.qual.qual > 100)
iwe.u.qual.qual = 100;
else if (iwe.u.qual.qual < 1)
return start;
}
+#define SCAN_ITEM_SIZE 128
+
int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
struct ieee80211_network *network;
unsigned long flags;
+ int err = 0;
char *ev = extra;
- char *stop = ev + IW_SCAN_MAX_DATA;
+ char *stop = ev + wrqu->data.length;
int i = 0;
IEEE80211_DEBUG_WX("Getting scan\n");
list_for_each_entry(network, &ieee->network_list, list) {
i++;
+ if (stop - ev < SCAN_ITEM_SIZE) {
+ err = -E2BIG;
+ break;
+ }
+
if (ieee->scan_age == 0 ||
time_after(network->last_scanned + ieee->scan_age, jiffies))
ev = ipw2100_translate_scan(ieee, ev, stop, network);
IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i);
- return 0;
+ return err;
}
int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
};
int i, key, key_provided, len;
struct ieee80211_crypt_data **crypt;
- int host_crypto = ieee->host_encrypt || ieee->host_decrypt;
+ int host_crypto = ieee->host_encrypt || ieee->host_decrypt || ieee->host_build_iv;
IEEE80211_DEBUG_WX("SET_ENCODE\n");
crypt = &ieee->crypt[idx];
group_key = 1;
} else {
- if (idx != 0)
+ /* some Cisco APs use idx>0 for unicast in dynamic WEP */
+ if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
return -EINVAL;
if (ieee->iw_mode == IW_MODE_INFRA)
crypt = &ieee->crypt[idx];
} else
idx = ieee->tx_keyidx;
- if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY)
+ if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY &&
+ ext->alg != IW_ENCODE_ALG_WEP)
if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
return -EINVAL;