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Fix PMF protect disconnection on session timeout

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Request the driver to send a Deauthentication frame before doing
any other disconnection steps on the session timeout path. This is
needed when PMF is negotiated for the association since the driver
will need to find the STA entry and the PTK for it to be able to
protect the robust Deauthentication frame.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2014-03-07 23:23:41 +02:00 committed by Jouni Malinen
parent 49021c1cb6
commit 0ac3876627
1 changed files with 2 additions and 3 deletions
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5
src/ap/sta_info.c
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@ -473,7 +473,6 @@ static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx)
{ {
struct hostapd_data *hapd = eloop_ctx; struct hostapd_data *hapd = eloop_ctx;
struct sta_info *sta = timeout_ctx; struct sta_info *sta = timeout_ctx;
u8 addr[ETH_ALEN];
if (!(sta->flags & WLAN_STA_AUTH)) { if (!(sta->flags & WLAN_STA_AUTH)) {
if (sta->flags & WLAN_STA_GAS) { if (sta->flags & WLAN_STA_GAS) {
@ -484,6 +483,8 @@ static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx)
return; return;
} }
hostapd_drv_sta_deauth(hapd, sta->addr,
WLAN_REASON_PREV_AUTH_NOT_VALID);
mlme_deauthenticate_indication(hapd, sta, mlme_deauthenticate_indication(hapd, sta,
WLAN_REASON_PREV_AUTH_NOT_VALID); WLAN_REASON_PREV_AUTH_NOT_VALID);
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211, hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
@ -491,9 +492,7 @@ static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx)
"session timeout"); "session timeout");
sta->acct_terminate_cause = sta->acct_terminate_cause =
RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT; RADIUS_ACCT_TERMINATE_CAUSE_SESSION_TIMEOUT;
os_memcpy(addr, sta->addr, ETH_ALEN);
ap_free_sta(hapd, sta); ap_free_sta(hapd, sta);
hostapd_drv_sta_deauth(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
} }