From c9bf8d25856e012762382be6491c2016b91c0e93 Mon Sep 17 00:00:00 2001
From: Nathan Freitas <nathan@freitas.net>
Date: Tue, 8 Apr 2014 01:12:56 -0400
Subject: [PATCH] fix Shell calls so that we close() shell when done

---
 .../torproject/android/service/TorService.java | 17 +++++++----------
 .../android/service/TorTransProxy.java         | 18 ++++++++++++++++--
 2 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/src/org/torproject/android/service/TorService.java b/src/org/torproject/android/service/TorService.java
index 23c0a4c9..fc49df15 100644
--- a/src/org/torproject/android/service/TorService.java
+++ b/src/org/torproject/android/service/TorService.java
@@ -434,10 +434,8 @@ public class TorService extends Service implements TorServiceConstants, TorConst
 	}
 	
 	
-    
     private void killTorProcess () throws Exception
     {
-    	StringBuilder log = new StringBuilder();
     	int procId = -1;
     	
     	if (conn != null)
@@ -457,7 +455,6 @@ public class TorService extends Service implements TorServiceConstants, TorConst
 			conn = null;
 		}
     	
-    	int killDelayMs = 300;
     	int maxTry = 5;
     	int currTry = 0;
     	
@@ -481,7 +478,6 @@ public class TorService extends Service implements TorServiceConstants, TorConst
 			{
 				
 				logNotice("Found Privoxy PID=" + procId + " - killing now...");
-	
 				tb.killAll(filePrivoxy.getCanonicalPath());
 			}
 			
@@ -489,14 +485,11 @@ public class TorService extends Service implements TorServiceConstants, TorConst
 			{
 				
 				logNotice("Found ObfsProxy PID=" + procId + " - killing now...");
-	
 				tb.killAll(fileObfsProxy.getCanonicalPath());
 			}
 		}
-		else
-		{
-			throw new Exception("*** Unable to kill existing Tor process. Please REBOOT your device. ***");
-		}
+		
+		shell.close();
     }
    
     private void logNotice (String msg)
@@ -569,6 +562,8 @@ public class TorService extends Service implements TorServiceConstants, TorConst
 			
 			File fileTest = new File(fileBin.getCanonicalPath());
 			logNotice(fileTest.getName() + ": POST: Is binary exec? " + fileTest.canExecute());
+			
+			shell.close();
     	}
     	
 		return fileBin.canExecute();
@@ -751,6 +746,8 @@ public class TorService extends Service implements TorServiceConstants, TorConst
 			}
 		}
 		
+		shell.close();
+		
 		if (procId == -1)
 		{
 
@@ -809,7 +806,7 @@ public class TorService extends Service implements TorServiceConstants, TorConst
 			
     		logNotice("Privoxy process id=" + privoxyProcId);
 			
-    		
+    		shell.close();
     		
     }
     
diff --git a/src/org/torproject/android/service/TorTransProxy.java b/src/org/torproject/android/service/TorTransProxy.java
index 931366e9..5438d16e 100644
--- a/src/org/torproject/android/service/TorTransProxy.java
+++ b/src/org/torproject/android/service/TorTransProxy.java
@@ -393,6 +393,8 @@ public class TorTransProxy implements TorServiceConstants {
 		
 		fixTransproxyLeak (context);
 		
+		shell.close();
+		
 		return 1;
     }	
 	
@@ -431,6 +433,8 @@ public class TorTransProxy implements TorServiceConstants {
 			
     	}
 		
+
+		shell.close();
 		
 		return 0;
 	}
@@ -471,7 +475,11 @@ public class TorTransProxy implements TorServiceConstants {
     	
     	shell.add(cmd);
     	
-    	return cmd.getExitCode();
+    	int exitCode = cmd.getExitCode();
+    	
+    	shell.close();
+		
+    	return exitCode;
 	}
 	
 	public int fixTransproxyLeak (Context context) throws Exception 
@@ -490,6 +498,8 @@ public class TorTransProxy implements TorServiceConstants {
 		script.append(" -I OUTPUT ! -o lo ! -d 127.0.0.1 ! -s 127.0.0.1 -p tcp -m tcp --tcp-flags ACK,RST ACK,RST -j DROP");
 		shell.add(new SimpleCommand(script.toString()));
 		
+		shell.close();
+		
 		return 1;
 		 
 	}
@@ -642,7 +652,11 @@ public class TorTransProxy implements TorServiceConstants {
 		
 		fixTransproxyLeak (context);
 		
-    	return cmd.getExitCode();
+		int exitCode = cmd.getExitCode();
+		
+		shell.close();
+		
+    	return exitCode;
 	}