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-rw-r--r--hostapd/ctrl_iface.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/hostapd/ctrl_iface.c b/hostapd/ctrl_iface.c
index 9aba541..12978f7 100644
--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -1949,6 +1949,90 @@ static int hostapd_ctrl_get_fail(struct hostapd_data *hapd,
#endif /* WPA_TRACE_BFD */
}
+
+static int hostapd_ctrl_reset_pn(struct hostapd_data *hapd, const char *cmd)
+{
+ struct sta_info *sta;
+ u8 addr[ETH_ALEN];
+ u8 zero[WPA_TK_MAX_LEN];
+
+ os_memset(zero, 0, sizeof(zero));
+
+ if (hwaddr_aton(cmd, addr))
+ return -1;
+
+#ifdef CONFIG_IEEE80211W
+ if (is_broadcast_ether_addr(addr) && os_strstr(cmd, "IGTK")) {
+ if (hapd->last_igtk_alg == WPA_ALG_NONE)
+ return -1;
+
+ wpa_printf(MSG_INFO, "TESTING: Reset IPN for IGTK");
+
+ /* First, use a zero key to avoid any possible duplicate key
+ * avoidance in the driver. */
+ if (hostapd_drv_set_key(hapd->conf->iface, hapd,
+ hapd->last_igtk_alg,
+ broadcast_ether_addr,
+ hapd->last_igtk_key_idx, 1, NULL, 0,
+ zero, hapd->last_igtk_len) < 0)
+ return -1;
+
+ /* Set the previously configured key to reset its TSC */
+ return hostapd_drv_set_key(hapd->conf->iface, hapd,
+ hapd->last_igtk_alg,
+ broadcast_ether_addr,
+ hapd->last_igtk_key_idx, 1, NULL, 0,
+ hapd->last_igtk,
+ hapd->last_igtk_len);
+ }
+#endif /* CONFIG_IEEE80211W */
+
+ if (is_broadcast_ether_addr(addr)) {
+ if (hapd->last_gtk_alg == WPA_ALG_NONE)
+ return -1;
+
+ wpa_printf(MSG_INFO, "TESTING: Reset PN for GTK");
+
+ /* First, use a zero key to avoid any possible duplicate key
+ * avoidance in the driver. */
+ if (hostapd_drv_set_key(hapd->conf->iface, hapd,
+ hapd->last_gtk_alg,
+ broadcast_ether_addr,
+ hapd->last_gtk_key_idx, 1, NULL, 0,
+ zero, hapd->last_gtk_len) < 0)
+ return -1;
+
+ /* Set the previously configured key to reset its TSC */
+ return hostapd_drv_set_key(hapd->conf->iface, hapd,
+ hapd->last_gtk_alg,
+ broadcast_ether_addr,
+ hapd->last_gtk_key_idx, 1, NULL, 0,
+ hapd->last_gtk, hapd->last_gtk_len);
+ }
+
+ sta = ap_get_sta(hapd, addr);
+ if (!sta)
+ return -1;
+
+ if (sta->last_tk_alg == WPA_ALG_NONE)
+ return -1;
+
+ wpa_printf(MSG_INFO, "TESTING: Reset PN for " MACSTR,
+ MAC2STR(sta->addr));
+
+ /* First, use a zero key to avoid any possible duplicate key avoidance
+ * in the driver. */
+ if (hostapd_drv_set_key(hapd->conf->iface, hapd, sta->last_tk_alg,
+ sta->addr, sta->last_tk_key_idx, 1, NULL, 0,
+ zero, sta->last_tk_len) < 0)
+ return -1;
+
+ /* Set the previously configured key to reset its TSC/RSC */
+ return hostapd_drv_set_key(hapd->conf->iface, hapd, sta->last_tk_alg,
+ sta->addr, sta->last_tk_key_idx, 1, NULL, 0,
+ sta->last_tk, sta->last_tk_len);
+}
+
#endif /* CONFIG_TESTING_OPTIONS */
@@ -2665,6 +2749,9 @@ static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
reply_len = -1;
} else if (os_strcmp(buf, "GET_FAIL") == 0) {
reply_len = hostapd_ctrl_get_fail(hapd, reply, reply_size);
+ } else if (os_strncmp(buf, "RESET_PN ", 9) == 0) {
+ if (hostapd_ctrl_reset_pn(hapd, buf + 9) < 0)
+ reply_len = -1;
#endif /* CONFIG_TESTING_OPTIONS */
} else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
if (hostapd_ctrl_iface_chan_switch(hapd->iface, buf + 12))