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add vendor VSA to set additional key and IGTK support

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IGTK == Management Frame Protection
This commit is contained in:
Andreas Schultz
2016-08-15 15:30:29 +02:00
parent ac135e16c4
commit a488af66cf
9 changed files with 251 additions and 8 deletions
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43
src/wtp/wtp_radio.c
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@ -652,6 +652,47 @@ void wtp_radio_receive_data_packet(uint8_t radioid, unsigned short binding, cons
}
}
static struct capwap_array *wtp_radio_set_update_keys(struct capwap_parsed_packet *packet,
uint8_t radioid, uint8_t wlanid)
{
int i;
struct capwap_array *keys;
struct capwap_array *updatekeys = NULL;
ASSERT(packet != NULL);
keys = (struct capwap_array *)
capwap_get_message_element_data(packet, CAPWAP_ELEMENT_VENDOR_TRAVELPING_80211_UPDATE_KEY);
log_printf(LOG_DEBUG, "Set Update Keys: %p", keys);
if (!keys)
return NULL;
log_printf(LOG_DEBUG, "Set Update Keys: #%ld", keys->count);
for (i = 0; i < keys->count; i++) {
struct capwap_vendor_travelping_80211_update_key_element *key =
*(struct capwap_vendor_travelping_80211_update_key_element **)
capwap_array_get_item_pointer(keys, i);
log_printf(LOG_DEBUG, "RadioId: %d .. %d, WlanId: %d .. %d",
key->radioid, radioid,
key->wlanid, wlanid);
if (key->radioid != radioid || key->wlanid != wlanid)
continue;
if (!updatekeys)
updatekeys = capwap_array_create(sizeof(void *), 0, 0);
if (!updatekeys) {
log_printf(LOG_DEBUG, "Update WLAN: Out of Memory");
return NULL;
}
*(void **)capwap_array_get_item_pointer(updatekeys, updatekeys->count) = key;
log_printf(LOG_DEBUG, "Set Update Keys: Update #%ld", updatekeys->count);
}
return updatekeys;
}
/* source http://stackoverflow.com/a/16994674 */
static uint16_t reverse(register uint16_t x)
{
@ -721,6 +762,7 @@ uint32_t wtp_radio_create_wlan(struct capwap_parsed_packet* packet,
params.key = addwlan->key;
params.ie = (struct capwap_array *)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_80211_IE);
params.updatekeys = wtp_radio_set_update_keys(packet, addwlan->radioid, addwlan->wlanid);
/* Start AP */
if (wifi_wlan_startap(wlan->wlanhandle, &params)) {
@ -788,6 +830,7 @@ uint32_t wtp_radio_update_wlan(struct capwap_parsed_packet* packet)
params.key = updatewlan->key;
params.ie = (struct capwap_array *)capwap_get_message_element_data(packet, CAPWAP_ELEMENT_80211_IE);
params.updatekeys = wtp_radio_set_update_keys(packet, updatewlan->radioid, updatewlan->wlanid);
/* Update AP */
if (wifi_wlan_updateap(wlan->wlanhandle, &params)) {