[PSK/EAP] Do not add SHA256 Key mgmt for SupplicantHal < 1.2

Following on GSI Q on P failure:
Do not add SHA256 Key management where Supplicant HAL version
is lower than 1.2, where it is not supported.

Bug: 132656148
Test: atest SupplicantStaNetworkHalTest
Change-Id: Idf6f85fa409082b3b88dd36b624f8878be695709

1 files changed, 8 insertions, 0 deletions

diff --git a/service/java/com/android/server/wifi/SupplicantStaNetworkHal.java b/service/java/com/android/server/wifi/SupplicantStaNetworkHal.java
index 059ea797c..9255fc231 100644
--- a/service/java/com/android/server/wifi/SupplicantStaNetworkHal.java
+++ b/service/java/com/android/server/wifi/SupplicantStaNetworkHal.java
@@ -3012,6 +3012,14 @@ public class SupplicantStaNetworkHal {
     private BitSet addSha256KeyMgmtFlags(BitSet keyManagementFlags) {
         synchronized (mLock) {
             BitSet modifiedFlags = (BitSet) keyManagementFlags.clone();
+            android.hardware.wifi.supplicant.V1_2.ISupplicantStaNetwork
+                    iSupplicantStaNetworkV12;
+            iSupplicantStaNetworkV12 = getV1_2StaNetwork();
+            if (iSupplicantStaNetworkV12 == null) {
+                // SHA256 key management requires HALv1.2 or higher
+                return modifiedFlags;
+            }
+
             if (keyManagementFlags.get(WifiConfiguration.KeyMgmt.WPA_PSK)) {
                 modifiedFlags.set(WifiConfiguration.KeyMgmt.WPA_PSK_SHA256);
             }