When an external process manages hostapd, it can be needed to
temporarily ignore class 3 frames from unknown stations until hostapd
can be made aware of the station.
Add a new option that, when set, makes hostapd ignore class 3 frames
from unknown stations. When the option is not set, the behavior stays
the same as before (i.e. unknown stations are deauthenticated).
Signed-off-by: Raphaël Mélotte <raphael.melotte@xxxxxxx>
---
hostapd/config_file.c | 2 ++
hostapd/hostapd.conf | 5 +++++
src/ap/ap_config.h | 2 ++
src/ap/ieee802_11.c | 2 +-
4 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/hostapd/config_file.c b/hostapd/config_file.c
index 76f9cf831..3fa12df8e 100644
--- a/hostapd/config_file.c
+++ b/hostapd/config_file.c
@@ -4471,6 +4471,8 @@ static int hostapd_config_fill(struct hostapd_config *conf,
bss->broadcast_deauth = atoi(pos);
} else if (os_strcmp(buf, "notify_mgmt_frames") == 0) {
bss->notify_mgmt_frames = atoi(pos);
+ } else if (os_strcmp(buf, "no_deauth_unknown_sta") == 0) {
+ bss->no_deauth_unknown_sta = atoi(pos);
#ifdef CONFIG_DPP
} else if (os_strcmp(buf, "dpp_name") == 0) {
os_free(bss->dpp_name);
diff --git a/hostapd/hostapd.conf b/hostapd/hostapd.conf
index c5e74a6a2..6fbee6f4b 100644
--- a/hostapd/hostapd.conf
+++ b/hostapd/hostapd.conf
@@ -591,6 +591,11 @@ wmm_ac_vo_acm=0
# Default: 0 (disabled)
#notify_mgmt_frames=0
+# Do not deauthenticate unknown stations.
+# This can be used to temporarily ignore data frames from unknown
+# stations, instead of deauthenticating them.
+#no_deauth_unknown_sta=0
+
##### IEEE 802.11n related configuration ######################################
# ieee80211n: Whether IEEE 802.11n (HT) is enabled
diff --git a/src/ap/ap_config.h b/src/ap/ap_config.h
index 1631cf2aa..794cae7f7 100644
--- a/src/ap/ap_config.h
+++ b/src/ap/ap_config.h
@@ -753,6 +753,8 @@ struct hostapd_bss_config {
int notify_mgmt_frames;
+ int no_deauth_unknown_sta;
+
#ifdef CONFIG_DPP
char *dpp_name;
char *dpp_mud_url;
diff --git a/src/ap/ieee802_11.c b/src/ap/ieee802_11.c
index e53f0dcbe..9eceb2b03 100644
--- a/src/ap/ieee802_11.c
+++ b/src/ap/ieee802_11.c
@@ -6144,7 +6144,7 @@ void ieee802_11_rx_from_unknown(struct hostapd_data *hapd, const u8 *src,
hostapd_drv_sta_disassoc(
hapd, src,
WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
- else
+ else if (!hapd->conf->no_deauth_unknown_sta)
hostapd_drv_sta_deauth(
hapd, src,
WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
--
2.38.1
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