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    Annotation of /trunk/wpa_supplicant/patches/0007-WNM-Ignore-WNM-Sleep-Mode-Response-without-pending-r.patch

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    Revision 2999 - (hide annotations) (download)
    Tue Oct 17 10:55:21 2017 UTC (6 years, 8 months ago) by niro
    File size: 1649 byte(s) 
    -krackattack patches
    1 niro 2999 From 53c5eb58e95004f86e65ee9fbfccbc291b139057 Mon Sep 17 00:00:00 2001
    2     From: Jouni Malinen <j@w1.fi>
    3     Date: Fri, 22 Sep 2017 11:25:02 +0300
    4     Subject: [PATCH 7/8] WNM: Ignore WNM-Sleep Mode Response without pending
    5     request
    6    
    7     Commit 03ed0a52393710be6bdae657d1b36efa146520e5 ('WNM: Ignore WNM-Sleep
    8     Mode Response if WNM-Sleep Mode has not been used') started ignoring the
    9     response when no WNM-Sleep Mode Request had been used during the
    10     association. This can be made tighter by clearing the used flag when
    11     successfully processing a response. This adds an additional layer of
    12     protection against unexpected retransmissions of the response frame.
    13    
    14     Signed-off-by: Jouni Malinen <j@w1.fi>
    15     ---
    16     wpa_supplicant/wnm_sta.c | 4 +++-
    17     1 file changed, 3 insertions(+), 1 deletion(-)
    18    
    19     diff --git a/wpa_supplicant/wnm_sta.c b/wpa_supplicant/wnm_sta.c
    20     index 1b3409c..67a07ff 100644
    21     --- a/wpa_supplicant/wnm_sta.c
    22     +++ b/wpa_supplicant/wnm_sta.c
    23     @@ -260,7 +260,7 @@ static void ieee802_11_rx_wnmsleep_resp(struct wpa_supplicant *wpa_s,
    24    
    25     if (!wpa_s->wnmsleep_used) {
    26     wpa_printf(MSG_DEBUG,
    27     - "WNM: Ignore WNM-Sleep Mode Response frame since WNM-Sleep Mode has not been used in this association");
    28     + "WNM: Ignore WNM-Sleep Mode Response frame since WNM-Sleep Mode operation has not been requested");
    29     return;
    30     }
    31    
    32     @@ -299,6 +299,8 @@ static void ieee802_11_rx_wnmsleep_resp(struct wpa_supplicant *wpa_s,
    33     return;
    34     }
    35    
    36     + wpa_s->wnmsleep_used = 0;
    37     +
    38     if (wnmsleep_ie->status == WNM_STATUS_SLEEP_ACCEPT ||
    39     wnmsleep_ie->status == WNM_STATUS_SLEEP_EXIT_ACCEPT_GTK_UPDATE) {
    40     wpa_printf(MSG_DEBUG, "Successfully recv WNM-Sleep Response "
    41     --
    42     2.7.4
    43