static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
const u8 *p2p_dev_addr,
const u8 *prev_psk)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta = ap_get_sta(hapd, addr);
const u8 *psk;
#ifdef CONFIG_SAE
if (sta && sta->auth_alg == WLAN_AUTH_SAE) {
if (!sta->sae || prev_psk)
return NULL;
return sta->sae->pmk;
}
#endif /* CONFIG_SAE */
psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk);
/*
* This is about to iterate over all psks, prev_psk gives the last
* returned psk which should not be returned again.
* logic list (all hostapd_get_psk; all sta->psk)
*/
if (sta && sta->psk && !psk) {
struct hostapd_sta_wpa_psk_short *pos;
psk = sta->psk->psk;
for (pos = sta->psk; pos; pos = pos->next) {
if (pos->psk == prev_psk) {
psk = pos->next ? pos->next->psk : NULL;
break;
}
}
}
return psk;
}
static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
const u8 *prev_psk)
{
struct hostapd_data *hapd = ctx;
return hostapd_get_psk(hapd->conf, addr, prev_psk);
}
static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
const u8 *p2p_dev_addr,
const u8 *prev_psk, size_t *psk_len,
int *vlan_id)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta = ap_get_sta(hapd, addr);
const u8 *psk;
if (vlan_id)
*vlan_id = 0;
if (psk_len)
*psk_len = PMK_LEN;
#ifdef CONFIG_SAE
if (sta && sta->auth_alg == WLAN_AUTH_SAE) {
if (!sta->sae || prev_psk)
return NULL;
return sta->sae->pmk;
}
if (sta && wpa_auth_uses_sae(sta->wpa_sm)) {
wpa_printf(MSG_DEBUG,
"No PSK for STA trying to use SAE with PMKSA caching");
return NULL;
}
#endif /* CONFIG_SAE */
#ifdef CONFIG_OWE
if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
sta && sta->owe_pmk) {
if (psk_len)
*psk_len = sta->owe_pmk_len;
return sta->owe_pmk;
}
if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) && sta) {
struct rsn_pmksa_cache_entry *sa;
sa = wpa_auth_sta_get_pmksa(sta->wpa_sm);
if (sa && sa->akmp == WPA_KEY_MGMT_OWE) {
if (psk_len)
*psk_len = sa->pmk_len;
return sa->pmk;
}
}
#endif /* CONFIG_OWE */
psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk,
vlan_id);
/*
* This is about to iterate over all psks, prev_psk gives the last
* returned psk which should not be returned again.
* logic list (all hostapd_get_psk; all sta->psk)
*/
if (sta && sta->psk && !psk) {
struct hostapd_sta_wpa_psk_short *pos;
if (vlan_id)
*vlan_id = 0;
psk = sta->psk->psk;
for (pos = sta->psk; pos; pos = pos->next) {
if (pos->is_passphrase) {
pbkdf2_sha1(pos->passphrase,
hapd->conf->ssid.ssid,
hapd->conf->ssid.ssid_len, 4096,
pos->psk, PMK_LEN);
pos->is_passphrase = 0;
}
if (pos->psk == prev_psk) {
psk = pos->next ? pos->next->psk : NULL;
break;
}
}
}
return psk;
}
