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PASN: Remove hapd dependency for pasn_derive_keys()

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Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
This commit is contained in:
Vinay Gannevaram 2022-09-19 23:20:20 +05:30 • committed by Jouni Malinen
parent 1fa266e99d
commit 1861f57162
1 changed files with 14 additions and 12 deletions
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26
src/ap/ieee802_11.c
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@ -2908,7 +2908,8 @@ static int pasn_set_keys_from_cache(struct hostapd_data *hapd,
static int static int
pasn_derive_keys(struct hostapd_data *hapd, struct sta_info *sta, pasn_derive_keys(struct wpas_pasn *pasn,
const u8 *own_addr, const u8 *peer_addr,
const u8 *cached_pmk, size_t cached_pmk_len, const u8 *cached_pmk, size_t cached_pmk_len,
struct wpa_pasn_params_data *pasn_data, struct wpa_pasn_params_data *pasn_data,
struct wpabuf *wrapped_data, struct wpabuf *wrapped_data,
@ -2925,7 +2926,7 @@ pasn_derive_keys(struct hostapd_data *hapd, struct sta_info *sta,
if (!cached_pmk || !cached_pmk_len) if (!cached_pmk || !cached_pmk_len)
wpa_printf(MSG_DEBUG, "PASN: No valid PMKSA entry"); wpa_printf(MSG_DEBUG, "PASN: No valid PMKSA entry");
if (sta->pasn->akmp == WPA_KEY_MGMT_PASN) { if (pasn->akmp == WPA_KEY_MGMT_PASN) {
wpa_printf(MSG_DEBUG, "PASN: Using default PMK"); wpa_printf(MSG_DEBUG, "PASN: Using default PMK");
pmk_len = WPA_PASN_PMK_LEN; pmk_len = WPA_PASN_PMK_LEN;
@ -2936,12 +2937,12 @@ pasn_derive_keys(struct hostapd_data *hapd, struct sta_info *sta,
pmk_len = cached_pmk_len; pmk_len = cached_pmk_len;
os_memcpy(pmk, cached_pmk, cached_pmk_len); os_memcpy(pmk, cached_pmk, cached_pmk_len);
} else { } else {
switch (sta->pasn->akmp) { switch (pasn->akmp) {
#ifdef CONFIG_SAE #ifdef CONFIG_SAE
case WPA_KEY_MGMT_SAE: case WPA_KEY_MGMT_SAE:
if (sta->pasn->sae.state == SAE_COMMITTED) { if (pasn->sae.state == SAE_COMMITTED) {
pmk_len = PMK_LEN; pmk_len = PMK_LEN;
os_memcpy(pmk, sta->pasn->sae.pmk, PMK_LEN); os_memcpy(pmk, pasn->sae.pmk, PMK_LEN);
break; break;
} }
#endif /* CONFIG_SAE */ #endif /* CONFIG_SAE */
@ -2954,18 +2955,18 @@ pasn_derive_keys(struct hostapd_data *hapd, struct sta_info *sta,
} }
} }
ret = pasn_pmk_to_ptk(pmk, pmk_len, sta->addr, hapd->own_addr, ret = pasn_pmk_to_ptk(pmk, pmk_len, peer_addr, own_addr,
wpabuf_head(secret), wpabuf_len(secret), wpabuf_head(secret), wpabuf_len(secret),
&sta->pasn->ptk, sta->pasn->akmp, &pasn->ptk, pasn->akmp,
sta->pasn->cipher, sta->pasn->kdk_len); pasn->cipher, pasn->kdk_len);
if (ret) { if (ret) {
wpa_printf(MSG_DEBUG, "PASN: Failed to derive PTK"); wpa_printf(MSG_DEBUG, "PASN: Failed to derive PTK");
return -1; return -1;
} }
if (sta->pasn->secure_ltf) { if (pasn->secure_ltf) {
ret = wpa_ltf_keyseed(&sta->pasn->ptk, sta->pasn->akmp, ret = wpa_ltf_keyseed(&pasn->ptk, pasn->akmp,
sta->pasn->cipher); pasn->cipher);
if (ret) { if (ret) {
wpa_printf(MSG_DEBUG, wpa_printf(MSG_DEBUG,
"PASN: Failed to derive LTF keyseed"); "PASN: Failed to derive LTF keyseed");
@ -3442,7 +3443,8 @@ static void handle_auth_pasn_1(struct hostapd_data *hapd, struct sta_info *sta,
wpa_printf(MSG_DEBUG, "PASN: No PMKID specified"); wpa_printf(MSG_DEBUG, "PASN: No PMKID specified");
} }
ret = pasn_derive_keys(hapd, sta, cached_pmk, cached_pmk_len, ret = pasn_derive_keys(sta->pasn, hapd->own_addr, sta->addr,
cached_pmk, cached_pmk_len,
&pasn_params, wrapped_data, secret); &pasn_params, wrapped_data, secret);
if (ret) { if (ret) {
wpa_printf(MSG_DEBUG, "PASN: Failed to derive keys"); wpa_printf(MSG_DEBUG, "PASN: Failed to derive keys");