diff options
Diffstat (limited to 'net/ieee80211/ieee80211_wx.c')
-rw-r--r-- | net/ieee80211/ieee80211_wx.c | 50 |
1 files changed, 29 insertions, 21 deletions
diff --git a/net/ieee80211/ieee80211_wx.c b/net/ieee80211/ieee80211_wx.c index fc4e137..f88c811 100644 --- a/net/ieee80211/ieee80211_wx.c +++ b/net/ieee80211/ieee80211_wx.c @@ -278,6 +278,7 @@ 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; IEEE80211_DEBUG_WX("SET_ENCODE\n"); @@ -318,6 +319,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, if (i == WEP_KEYS) { sec.enabled = 0; + sec.encrypt = 0; sec.level = SEC_LEVEL_0; sec.flags |= SEC_ENABLED | SEC_LEVEL; } @@ -326,6 +328,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, } sec.enabled = 1; + sec.encrypt = 1; sec.flags |= SEC_ENABLED; if (*crypt != NULL && (*crypt)->ops != NULL && @@ -335,7 +338,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, ieee80211_crypt_delayed_deinit(ieee, crypt); } - if (*crypt == NULL) { + if (*crypt == NULL && host_crypto) { struct ieee80211_crypt_data *new_crypt; /* take WEP into use */ @@ -375,31 +378,34 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, key, escape_essid(sec.keys[key], len), erq->length, len); sec.key_sizes[key] = len; - (*crypt)->ops->set_key(sec.keys[key], len, NULL, - (*crypt)->priv); + if (*crypt) + (*crypt)->ops->set_key(sec.keys[key], len, NULL, + (*crypt)->priv); sec.flags |= (1 << key); /* This ensures a key will be activated if no key is * explicitely set */ if (key == sec.active_key) sec.flags |= SEC_ACTIVE_KEY; + } else { - len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN, - NULL, (*crypt)->priv); - if (len == 0) { - /* Set a default key of all 0 */ - IEEE80211_DEBUG_WX("Setting key %d to all zero.\n", - key); - memset(sec.keys[key], 0, 13); - (*crypt)->ops->set_key(sec.keys[key], 13, NULL, - (*crypt)->priv); - sec.key_sizes[key] = 13; - sec.flags |= (1 << key); + if (host_crypto) { + len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN, + NULL, (*crypt)->priv); + if (len == 0) { + /* Set a default key of all 0 */ + IEEE80211_DEBUG_WX("Setting key %d to all " + "zero.\n", key); + memset(sec.keys[key], 0, 13); + (*crypt)->ops->set_key(sec.keys[key], 13, NULL, + (*crypt)->priv); + sec.key_sizes[key] = 13; + sec.flags |= (1 << key); + } } - /* No key data - just set the default TX key index */ if (key_provided) { - IEEE80211_DEBUG_WX - ("Setting key %d to default Tx key.\n", key); + IEEE80211_DEBUG_WX("Setting key %d to default Tx " + "key.\n", key); ieee->tx_keyidx = key; sec.active_key = key; sec.flags |= SEC_ACTIVE_KEY; @@ -442,6 +448,7 @@ int ieee80211_wx_get_encode(struct ieee80211_device *ieee, struct iw_point *erq = &(wrqu->encoding); int len, key; struct ieee80211_crypt_data *crypt; + struct ieee80211_security *sec = &ieee->sec; IEEE80211_DEBUG_WX("GET_ENCODE\n"); @@ -456,13 +463,13 @@ int ieee80211_wx_get_encode(struct ieee80211_device *ieee, crypt = ieee->crypt[key]; erq->flags = key + 1; - if (crypt == NULL || crypt->ops == NULL) { + if (!sec->enabled) { erq->length = 0; erq->flags |= IW_ENCODE_DISABLED; return 0; } - if (strcmp(crypt->ops->name, "WEP") != 0) { + if (sec->level != SEC_LEVEL_1) { /* only WEP is supported with wireless extensions, so just * report that encryption is used */ erq->length = 0; @@ -470,9 +477,10 @@ int ieee80211_wx_get_encode(struct ieee80211_device *ieee, return 0; } - len = crypt->ops->get_key(keybuf, WEP_KEY_LEN, NULL, crypt->priv); - erq->length = (len >= 0 ? len : 0); + len = sec->key_sizes[key]; + memcpy(keybuf, sec->keys[key], len); + erq->length = (len >= 0 ? len : 0); erq->flags |= IW_ENCODE_ENABLED; if (ieee->open_wep) |