From 20f906ef16d10d7f69a7355bd590ae99cb64723b Mon Sep 17 00:00:00 2001
From: cyberta <cyberta@riseup.net>
Date: Sat, 25 Jan 2020 14:40:13 -0600
Subject: add and remove configuring tethering rules on vpn start and shutdown

---
 .../firewall/ShutdownIPv6FirewallTask.java         | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 app/src/main/java/se/leap/bitmaskclient/firewall/ShutdownIPv6FirewallTask.java

(limited to 'app/src/main/java/se/leap/bitmaskclient/firewall/ShutdownIPv6FirewallTask.java')

diff --git a/app/src/main/java/se/leap/bitmaskclient/firewall/ShutdownIPv6FirewallTask.java b/app/src/main/java/se/leap/bitmaskclient/firewall/ShutdownIPv6FirewallTask.java
new file mode 100644
index 00000000..dbdbf769
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/firewall/ShutdownIPv6FirewallTask.java
@@ -0,0 +1,55 @@
+package se.leap.bitmaskclient.firewall;
+
+import android.os.AsyncTask;
+import android.util.Log;
+
+import java.lang.ref.WeakReference;
+
+import static se.leap.bitmaskclient.firewall.FirewallManager.BITMASK_CHAIN;
+import static se.leap.bitmaskclient.utils.Cmd.runBlockingCmd;
+
+class ShutdownIPv6FirewallTask extends AsyncTask<Void, Boolean, Boolean> {
+
+    private WeakReference<FirewallCallback> callbackWeakReference;
+
+    ShutdownIPv6FirewallTask(FirewallCallback callback) {
+        callbackWeakReference = new WeakReference<>(callback);
+    }
+
+    @Override
+    protected Boolean doInBackground(Void... voids) {
+        boolean success;
+        StringBuilder log = new StringBuilder();
+        String[] deleteChain = new String[]{
+                "su",
+                "id",
+                "ip6tables --delete OUTPUT --jump " + BITMASK_CHAIN,
+                "ip6tables --flush " + BITMASK_CHAIN,
+                "ip6tables --delete-chain " + BITMASK_CHAIN
+        };
+        try {
+            success = runBlockingCmd(deleteChain, log) == 0;
+        } catch (Exception e) {
+            e.printStackTrace();
+            Log.e(FirewallManager.TAG, log.toString());
+            return false;
+        }
+
+        try {
+            boolean allowSu = log.toString().contains("uid=0");
+            callbackWeakReference.get().onSuRequested(allowSu);
+        } catch (Exception e) {
+            //ignore
+        }
+        return success;
+    }
+
+    @Override
+    protected void onPostExecute(Boolean result) {
+        super.onPostExecute(result);
+        FirewallCallback callback = callbackWeakReference.get();
+        if (callback != null) {
+            callback.onFirewallStopped(result);
+        }
+    }
+}
-- 
cgit v1.2.3


From ec4cafb1026db8f461d94908dbdfcd8281d235a4 Mon Sep 17 00:00:00 2001
From: cyberta <cyberta@riseup.net>
Date: Sat, 25 Jan 2020 14:46:47 -0600
Subject: copyright bla

---
 .../bitmaskclient/firewall/ShutdownIPv6FirewallTask.java | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'app/src/main/java/se/leap/bitmaskclient/firewall/ShutdownIPv6FirewallTask.java')

diff --git a/app/src/main/java/se/leap/bitmaskclient/firewall/ShutdownIPv6FirewallTask.java b/app/src/main/java/se/leap/bitmaskclient/firewall/ShutdownIPv6FirewallTask.java
index dbdbf769..63d6074d 100644
--- a/app/src/main/java/se/leap/bitmaskclient/firewall/ShutdownIPv6FirewallTask.java
+++ b/app/src/main/java/se/leap/bitmaskclient/firewall/ShutdownIPv6FirewallTask.java
@@ -1,3 +1,19 @@
+/**
+ * Copyright (c) 2020 LEAP Encryption Access Project and contributers
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 package se.leap.bitmaskclient.firewall;
 
 import android.os.AsyncTask;
-- 
cgit v1.2.3