hostapd: Add WPA-EAP-SUITE-B-192 (WPA3-Enterprise)

This adds support for the WPA3-Enterprise mode authentication.

The settings for the WPA3-Enterpriese mode are defined in
WPA3_Specification_v1.0.pdf. This mode also requires ieee80211w and
guarantees at least 192 bit of security.

This does not increase the ipkg size by a significant size.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

package/network/services/hostapd/Makefile

@@ -97,11 +97,11 @@ endif
 
 ifeq ($(LOCAL_VARIANT),full)
   ifeq ($(SSL_VARIANT),openssl)
-    DRIVER_MAKEOPTS += CONFIG_TLS=openssl CONFIG_SAE=y CONFIG_OWE=y
+    DRIVER_MAKEOPTS += CONFIG_TLS=openssl CONFIG_SAE=y CONFIG_OWE=y CONFIG_SUITEB192=y
     TARGET_LDFLAGS += -lcrypto -lssl
   endif
   ifeq ($(SSL_VARIANT),wolfssl)
-    DRIVER_MAKEOPTS += CONFIG_TLS=wolfssl CONFIG_WPS_NFC=1 CONFIG_SAE=y CONFIG_OWE=y
+    DRIVER_MAKEOPTS += CONFIG_TLS=wolfssl CONFIG_WPS_NFC=1 CONFIG_SAE=y CONFIG_OWE=y CONFIG_SUITEB192=y
     TARGET_LDFLAGS += -lwolfssl
   endif
 endif

package/network/services/hostapd/files/hostapd.sh

@@ -45,6 +45,15 @@ hostapd_append_wpa_key_mgmt() {
 			[ "${ieee80211r:-0}" -gt 0 ] && append wpa_key_mgmt "FT-${auth_type_l}"
 			[ "${ieee80211w:-0}" -gt 0 ] && append wpa_key_mgmt "WPA-${auth_type_l}-SHA256"
 		;;
+		eap192)
+			append wpa_key_mgmt "WPA-EAP-SUITE-B-192"
+		;;
+		eap-eap192)
+			append wpa_key_mgmt "WPA-EAP-SUITE-B-192"
+			append wpa_key_mgmt "WPA-EAP"
+			[ "${ieee80211r:-0}" -gt 0 ] && append wpa_key_mgmt "FT-EAP"
+			[ "${ieee80211w:-0}" -gt 0 ] && append wpa_key_mgmt "WPA-EAP-SHA256"
+		;;
 		sae)
 			append wpa_key_mgmt "SAE"
 			[ "${ieee80211r:-0}" -gt 0 ] && append wpa_key_mgmt "FT-SAE"
@@ -307,7 +316,7 @@ hostapd_set_bss_options() {
 	}
 
 	case "$auth_type" in
-		sae|owe)
+		sae|owe|eap192|eap-eap192)
 			set_default ieee80211w 2
 			set_default sae_require_mfp 1
 		;;
@@ -350,7 +359,7 @@ hostapd_set_bss_options() {
 
 			wps_possible=1
 		;;
-		eap)
+		eap|eap192|eap-eap192)
 			json_get_vars \
 				auth_server auth_secret auth_port \
 				dae_client dae_secret dae_port \
@@ -771,7 +780,7 @@ wpa_supplicant_add_network() {
 			fi
 			append network_data "$passphrase" "$N$T"
 		;;
-		eap)
+		eap|eap192|eap-eap192)
 			hostapd_append_wpa_key_mgmt
 			key_mgmt="$wpa_key_mgmt"
 

package/network/services/hostapd/src/src/utils/build_features.h

@@ -34,6 +34,10 @@ static inline int has_feature(const char *feat)
 #ifdef CONFIG_OWE
 	if (!strcmp(feat, "owe"))
 		return 1;
+#endif
+#ifdef CONFIG_SUITEB192
+	if (!strcmp(feat, "suiteb192"))
+		return 1;
 #endif
 	return 0;
 }