[tor-commits] [vidalia/alpha] Takes ownership of the tor process it controls

[chiiph at torproject.org]

commit 44bf61439a737908292e7da8ee44cabb49cf7e09
Author: Tomás Touceda <chiiph at torproject.org>
Date:   Fri Jan 20 12:03:53 2012 -0300

    Takes ownership of the tor process it controls
    
    If Vidalia fails, tor won't be running in the background with a random
    hashed password.
---
 src/torcontrol/TorControl.cpp |    7 +++++++
 src/torcontrol/TorControl.h   |    3 +++
 src/vidalia/MainWindow.cpp    |    7 +++++++
 3 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/src/torcontrol/TorControl.cpp b/src/torcontrol/TorControl.cpp
index 5d31023..081438d 100644
--- a/src/torcontrol/TorControl.cpp
+++ b/src/torcontrol/TorControl.cpp
@@ -1131,3 +1131,10 @@ TorControl::ipToCountry(const QHostAddress &ip, QString *errmsg)
   return QString();
 }
 
+/** Takes ownership of the tor process it's communicating to */
+bool
+TorControl::takeOwnership(QString *errmsg)
+{
+  ControlCommand cmd("TAKEOWNERSHIP");
+  return send(cmd, errmsg);
+}
diff --git a/src/torcontrol/TorControl.h b/src/torcontrol/TorControl.h
index f3504f5..c16758c 100644
--- a/src/torcontrol/TorControl.h
+++ b/src/torcontrol/TorControl.h
@@ -209,6 +209,9 @@ public:
    * it's not NULL. */
   QString ipToCountry(const QHostAddress &ip, QString *errmsg = 0);
 
+  /** Takes ownership of the tor process it's communicating to */
+  bool takeOwnership(QString *errmsg);
+
 public slots:
   /** Closes the circuit specified by <b>circId</b>. If <b>ifUnused</b> is
    * true, then the circuit will not be closed unless it is unused. */
diff --git a/src/vidalia/MainWindow.cpp b/src/vidalia/MainWindow.cpp
index 183e78f..bbf1478 100644
--- a/src/vidalia/MainWindow.cpp
+++ b/src/vidalia/MainWindow.cpp
@@ -605,6 +605,8 @@ MainWindow::start()
     QString path = settings.getSocketPath();
     args << "ControlSocket" << path;
   }
+
+  args << "__OwningControllerProcess" << QString::number(QCoreApplication::applicationPid());
   
   /* Add the control port authentication arguments */
   switch (settings.getAuthenticationMethod()) {
@@ -833,6 +835,11 @@ void
 MainWindow::connected()
 {
   authenticate();
+  if(!_torControl->isVidaliaRunningTor()) {
+    QString err;
+    if(!_torControl->takeOwnership(&err))
+      vWarn(err);
+  }
 }
 
 /** Called when the connection to the control socket fails. The reason will be