Hi everyone.
I noticed that with preassoc_mac_addr=1 sometimes the randomized MAC
address stays around, even though mac_addr=0 is set - it happens when
reassociating to the same network as before. Please find attached a
patch that ensures that the permanent MAC address is restored in this case.
Best regards,
Benjamin Richter
>From 37f85de2d47d5ce09b5e069d256ded4fcecb4a9a Mon Sep 17 00:00:00 2001
From: Benjamin Richter <br@xxxxxxxxxxxxx>
Date: Tue, 11 Oct 2016 05:57:38 +0200
Subject: [PATCH] wpa_supplicant: restore permanent mac on reassoc
With mac_addr=0 and preassoc_mac_addr=1, the permanent MAC address
should be restored after association. Previously this did not happen
when reassociating to the same ESS.
---
wpa_supplicant/wpa_supplicant.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index c939321..2a82ee4 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -1691,7 +1691,9 @@ void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
wmm_ac_save_tspecs(wpa_s);
wpa_s->reassoc_same_bss = 1;
}
- } else if (rand_style > 0) {
+ }
+
+ if (rand_style > 0 && !wpa_s->reassoc_same_ess) {
if (wpas_update_random_addr(wpa_s, rand_style) < 0)
return;
wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
--
2.10.0
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