FT: Do not allow multiple Reassociation Response frames am: e01e480a81 am: 3827dcc787
am: fc6f131de0
Change-Id: I94bc2e2cb80201a8f132e5d37d157fceff5c6687
diff --git a/src/rsn_supp/wpa.c b/src/rsn_supp/wpa.c
index 0d2b0aa..1221e67 100644
--- a/src/rsn_supp/wpa.c
+++ b/src/rsn_supp/wpa.c
@@ -2419,7 +2419,9 @@
#ifdef CONFIG_TDLS
wpa_tdls_disassoc(sm);
#endif /* CONFIG_TDLS */
-
+#ifdef CONFIG_IEEE80211R
+ sm->ft_reassoc_completed = 0;
+#endif /* CONFIG_IEEE80211R */
/* Keys are not needed in the WPA state machine anymore */
wpa_sm_drop_sa(sm);
diff --git a/src/rsn_supp/wpa_ft.c b/src/rsn_supp/wpa_ft.c
index 205793e..d45bb45 100644
--- a/src/rsn_supp/wpa_ft.c
+++ b/src/rsn_supp/wpa_ft.c
@@ -153,6 +153,7 @@
u16 capab;
sm->ft_completed = 0;
+ sm->ft_reassoc_completed = 0;
buf_len = 2 + sizeof(struct rsn_mdie) + 2 + sizeof(struct rsn_ftie) +
2 + sm->r0kh_id_len + ric_ies_len + 100;
@@ -681,6 +682,11 @@
return -1;
}
+ if (sm->ft_reassoc_completed) {
+ wpa_printf(MSG_DEBUG, "FT: Reassociation has already been completed for this FT protocol instance - ignore unexpected retransmission");
+ return 0;
+ }
+
if (wpa_ft_parse_ies(ies, ies_len, &parse) < 0) {
wpa_printf(MSG_DEBUG, "FT: Failed to parse IEs");
return -1;
@@ -781,6 +787,8 @@
return -1;
}
+ sm->ft_reassoc_completed = 1;
+
if (wpa_ft_process_gtk_subelem(sm, parse.gtk, parse.gtk_len) < 0)
return -1;
diff --git a/src/rsn_supp/wpa_i.h b/src/rsn_supp/wpa_i.h
index 2d32e46..a653802 100644
--- a/src/rsn_supp/wpa_i.h
+++ b/src/rsn_supp/wpa_i.h
@@ -126,6 +126,7 @@
size_t r0kh_id_len;
u8 r1kh_id[FT_R1KH_ID_LEN];
int ft_completed;
+ int ft_reassoc_completed;
int over_the_ds_in_progress;
u8 target_ap[ETH_ALEN]; /* over-the-DS target AP */
int set_ptk_after_assoc;