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-rw-r--r--src/ap/drv_callbacks.c109
1 files changed, 105 insertions, 4 deletions
diff --git a/src/ap/drv_callbacks.c b/src/ap/drv_callbacks.c
index 9e30abf..7e948d2 100644
--- a/src/ap/drv_callbacks.c
+++ b/src/ap/drv_callbacks.c
@@ -38,6 +38,68 @@
#include "beacon.h"
#include "mbo_ap.h"
#include "dpp_hostapd.h"
+#include "fils_hlp.h"
+
+
+#ifdef CONFIG_FILS
+void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
+ struct sta_info *sta)
+{
+ u16 reply_res = WLAN_STATUS_SUCCESS;
+ struct ieee802_11_elems elems;
+ u8 buf[IEEE80211_MAX_MMPDU_SIZE], *p = buf;
+ int new_assoc;
+
+ wpa_printf(MSG_DEBUG, "%s FILS: Finish association with " MACSTR,
+ __func__, MAC2STR(sta->addr));
+ eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
+ if (!sta->fils_pending_assoc_req)
+ return;
+
+ ieee802_11_parse_elems(sta->fils_pending_assoc_req,
+ sta->fils_pending_assoc_req_len, &elems, 0);
+ if (!elems.fils_session) {
+ wpa_printf(MSG_DEBUG, "%s failed to find FILS Session element",
+ __func__);
+ return;
+ }
+
+ p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
+ elems.fils_session,
+ sta->fils_hlp_resp);
+
+ reply_res = hostapd_sta_assoc(hapd, sta->addr,
+ sta->fils_pending_assoc_is_reassoc,
+ WLAN_STATUS_SUCCESS,
+ buf, p - buf);
+ ap_sta_set_authorized(hapd, sta, 1);
+ new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
+ sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
+ sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
+ hostapd_set_sta_flags(hapd, sta);
+ wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
+ ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
+ hostapd_new_assoc_sta(hapd, sta, !new_assoc);
+ os_free(sta->fils_pending_assoc_req);
+ sta->fils_pending_assoc_req = NULL;
+ sta->fils_pending_assoc_req_len = 0;
+ wpabuf_free(sta->fils_hlp_resp);
+ sta->fils_hlp_resp = NULL;
+ wpabuf_free(sta->hlp_dhcp_discover);
+ sta->hlp_dhcp_discover = NULL;
+ fils_hlp_deinit(hapd);
+
+ /*
+ * Remove the station in case transmission of a success response fails
+ * (the STA was added associated to the driver) or if the station was
+ * previously added unassociated.
+ */
+ if (reply_res != WLAN_STATUS_SUCCESS || sta->added_unassoc) {
+ hostapd_drv_sta_remove(hapd, sta->addr);
+ sta->added_unassoc = 0;
+ }
+}
+#endif /* CONFIG_FILS */
int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
@@ -388,6 +450,8 @@ skip_wpa_check:
if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
sta->auth_alg == WLAN_AUTH_FILS_PK) {
+ int delay_assoc = 0;
+
if (!wpa_fils_validate_fils_session(sta->wpa_sm, req_ies,
req_ies_len,
sta->fils_session)) {
@@ -404,14 +468,51 @@ skip_wpa_check:
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
- if (!elems.fils_session) {
+ if (fils_process_hlp(hapd, sta, req_ies, req_ies_len) > 0) {
wpa_printf(MSG_DEBUG,
- "FILS: Session element not found");
- return WLAN_STATUS_UNSPECIFIED_FAILURE;
+ "FILS: Delaying Assoc Response (HLP)");
+ delay_assoc = 1;
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "FILS: Going ahead with Assoc Response (no HLP)");
}
+ if (sta) {
+ wpa_printf(MSG_DEBUG, "FILS: HLP callback cleanup");
+ eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
+ os_free(sta->fils_pending_assoc_req);
+ sta->fils_pending_assoc_req = NULL;
+ sta->fils_pending_assoc_req_len = 0;
+ wpabuf_free(sta->fils_hlp_resp);
+ sta->fils_hlp_resp = NULL;
+ sta->fils_drv_assoc_finish = 0;
+ }
+
+ if (sta && delay_assoc && status == WLAN_STATUS_SUCCESS) {
+ u8 *req_tmp;
+
+ req_tmp = os_malloc(req_ies_len);
+ if (!req_tmp) {
+ wpa_printf(MSG_DEBUG,
+ "FILS: buffer allocation failed for assoc req");
+ goto fail;
+ }
+ os_memcpy(req_tmp, req_ies, req_ies_len);
+ sta->fils_pending_assoc_req = req_tmp;
+ sta->fils_pending_assoc_req_len = req_ies_len;
+ sta->fils_pending_assoc_is_reassoc = reassoc;
+ sta->fils_drv_assoc_finish = 1;
+ wpa_printf(MSG_DEBUG,
+ "FILS: Waiting for HLP processing before sending (Re)Association Response frame to "
+ MACSTR, MAC2STR(sta->addr));
+ eloop_register_timeout(
+ 0, hapd->conf->fils_hlp_wait_time * 1024,
+ fils_hlp_timeout, hapd, sta);
+ return 0;
+ }
p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
- elems.fils_session);
+ elems.fils_session,
+ sta->fils_hlp_resp);
wpa_hexdump(MSG_DEBUG, "FILS Assoc Resp BUF (IEs)",
buf, p - buf);
}