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Add PTKSA cache to hostapd

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Signed-off-by: Ilan Peer <ilan.peer@intel.com>
This commit is contained in:
Ilan Peer 2020-12-16 13:00:31 +02:00 • committed by Jouni Malinen
parent 2c963a117a
commit f2f8e4f458
7 changed files with 75 additions and 0 deletions
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36
src/ap/wpa_auth_glue.c
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@ -14,6 +14,7 @@
#include "common/ieee802_11_defs.h"
#include "common/sae.h"
#include "common/wpa_ctrl.h"
#include "common/ptksa_cache.h"
#include "crypto/sha1.h"
#include "eapol_auth/eapol_auth_sm.h"
#include "eapol_auth/eapol_auth_sm_i.h"
@ -917,6 +918,27 @@ static int hostapd_channel_info(void *ctx, struct wpa_channel_info *ci)
}
#ifdef CONFIG_PASN
static void hostapd_store_ptksa(void *ctx, const u8 *addr,int cipher,
u32 life_time, const struct wpa_ptk *ptk)
{
struct hostapd_data *hapd = ctx;
ptksa_cache_add(hapd->ptksa, addr, cipher, life_time, ptk);
}
static void hostapd_clear_ptksa(void *ctx, const u8 *addr, int cipher)
{
struct hostapd_data *hapd = ctx;
ptksa_cache_flush(hapd->ptksa, addr, cipher);
}
#endif /* CONFIG_PASN */
static int hostapd_wpa_auth_update_vlan(void *ctx, const u8 *addr, int vlan_id)
{
#ifndef CONFIG_NO_VLAN
@ -1442,6 +1464,11 @@ int hostapd_setup_wpa(struct hostapd_data *hapd)
.send_oui = hostapd_wpa_auth_send_oui,
.channel_info = hostapd_channel_info,
.update_vlan = hostapd_wpa_auth_update_vlan,
#ifdef CONFIG_PASN
.store_ptksa = hostapd_store_ptksa,
.clear_ptksa = hostapd_clear_ptksa,
#endif /* CONFIG_PASN */
#ifdef CONFIG_OCV
.get_sta_tx_params = hostapd_get_sta_tx_params,
#endif /* CONFIG_OCV */
@ -1510,6 +1537,12 @@ int hostapd_setup_wpa(struct hostapd_data *hapd)
return -1;
}
hapd->ptksa = ptksa_cache_init();
if (!hapd->ptksa) {
wpa_printf(MSG_ERROR, "Failed to allocate PTKSA cache");
return -1;
}
#ifdef CONFIG_IEEE80211R_AP
if (!hostapd_drv_none(hapd) &&
wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt)) {
@ -1549,6 +1582,9 @@ void hostapd_reconfig_wpa(struct hostapd_data *hapd)
void hostapd_deinit_wpa(struct hostapd_data *hapd)
{
ieee80211_tkip_countermeasures_deinit(hapd);
ptksa_cache_deinit(hapd->ptksa);
hapd->ptksa = NULL;
rsn_preauth_iface_deinit(hapd);
if (hapd->wpa_auth) {
wpa_deinit(hapd->wpa_auth);