From 3e240b2bfb6fefe8b91ad68e8a12b652b4136c69 Mon Sep 17 00:00:00 2001
From: Roshan Pius <rpius@google.com>
Date: Wed, 15 Mar 2017 16:39:19 -0700
Subject: SupplicantStaIfaceHal: Stop wpa_supplicant auto connect

Bug: 36282386
Test: Compiles & manual tests.
Change-Id: I90a7b56de1b6f3315bd71c94df45abe8aa9dc155
---
 .../com/android/server/wifi/SupplicantStaIfaceHal.java    | 15 +++++++++++++++
 service/java/com/android/server/wifi/WifiNative.java      | 10 ++++++++++
 .../java/com/android/server/wifi/WifiStateMachine.java    |  3 +++
 3 files changed, 28 insertions(+)

diff --git a/service/java/com/android/server/wifi/SupplicantStaIfaceHal.java b/service/java/com/android/server/wifi/SupplicantStaIfaceHal.java
index 9d063d247..8f141e6a2 100644
--- a/service/java/com/android/server/wifi/SupplicantStaIfaceHal.java
+++ b/service/java/com/android/server/wifi/SupplicantStaIfaceHal.java
@@ -1446,6 +1446,21 @@ public class SupplicantStaIfaceHal {
         }
     }
 
+    /** See ISupplicant.hal for documentation */
+    public boolean enableAutoReconnect(boolean enable) {
+        synchronized (mLock) {
+            final String methodStr = "enableAutoReconnect";
+            if (!checkSupplicantAndLogFailure(methodStr)) return false;
+            try {
+                SupplicantStatus status = mISupplicantStaIface.enableAutoReconnect(enable);
+                return checkStatusAndLogFailure(status, methodStr);
+            } catch (RemoteException e) {
+                handleRemoteException(e, methodStr);
+                return false;
+            }
+        }
+    }
+
     public static final int LOG_LEVEL_EXCESSIVE = ISupplicant.DebugLevel.EXCESSIVE;
     public static final int LOG_LEVEL_MSGDUMP = ISupplicant.DebugLevel.MSGDUMP;
     public static final int LOG_LEVEL_DEBUG = ISupplicant.DebugLevel.DEBUG;
diff --git a/service/java/com/android/server/wifi/WifiNative.java b/service/java/com/android/server/wifi/WifiNative.java
index d8df0da72..87ace7839 100644
--- a/service/java/com/android/server/wifi/WifiNative.java
+++ b/service/java/com/android/server/wifi/WifiNative.java
@@ -670,6 +670,16 @@ public class WifiNative {
         return mSupplicantStaIfaceHal.setConcurrencyPriority(isStaHigherPriority);
     }
 
+    /**
+     * Enable/Disable auto reconnect functionality in wpa_supplicant.
+     *
+     * @param enable true to enable auto reconnecting, false to disable.
+     * @return true if request is sent successfully, false otherwise.
+     */
+    public boolean enableStaAutoReconnect(boolean enable) {
+        return mSupplicantStaIfaceHal.enableAutoReconnect(enable);
+    }
+
     /**
      * Migrate all the configured networks from wpa_supplicant.
      *
diff --git a/service/java/com/android/server/wifi/WifiStateMachine.java b/service/java/com/android/server/wifi/WifiStateMachine.java
index 2f86743f2..58b4ff639 100644
--- a/service/java/com/android/server/wifi/WifiStateMachine.java
+++ b/service/java/com/android/server/wifi/WifiStateMachine.java
@@ -4204,6 +4204,9 @@ public class WifiStateMachine extends StateMachine implements WifiNative.WifiRss
 
             // Enable link layer stats gathering
             mWifiNative.setWifiLinkLayerStats("wlan0", 1);
+
+            // Disable wpa_supplicant from auto reconnecting.
+            mWifiNative.enableStaAutoReconnect(false);
         }
 
         @Override
-- 
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