2 files changed, 28 insertions, 3 deletions

diff --git a/talpid-core/src/process/openvpn.rs b/talpid-core/src/process/openvpn.rs
index 3398a9baa9..ac3e5911b1 100644
--- a/talpid-core/src/process/openvpn.rs
+++ b/talpid-core/src/process/openvpn.rs
@@ -37,6 +37,7 @@ pub struct OpenVpnCommand {
     user_pass_path: Option<PathBuf>,
     ca: Option<PathBuf>,
     plugin: Option<(PathBuf, Vec<String>)>,
+    log: Option<PathBuf>,
 }
 
 impl OpenVpnCommand {
@@ -50,6 +51,7 @@ impl OpenVpnCommand {
             user_pass_path: None,
             ca: None,
             plugin: None,
+            log: None,
         }
     }
 
@@ -84,6 +86,12 @@ impl OpenVpnCommand {
         self
     }
 
+    /// Sets a log file path.
+    pub fn log<P: AsRef<Path>>(&mut self, path: P) -> &mut Self {
+        self.log = Some(path.as_ref().to_path_buf());
+        self
+    }
+
     /// Build a runnable expression from the current state of the command.
     pub fn build(&self) -> duct::Expression {
         debug!("Building expression: {}", &self);
@@ -113,6 +121,11 @@ impl OpenVpnCommand {
             args.extend(plugin_args.iter().map(OsString::from));
         }
 
+        if let Some(ref path) = self.log {
+            args.push(OsString::from("--log"));
+            args.push(OsString::from(path))
+        }
+
         args.extend(Self::security_arguments().iter().map(OsString::from));
 
         args
diff --git a/talpid-core/src/tunnel/mod.rs b/talpid-core/src/tunnel/mod.rs
index b9e8aa8fa2..6ff4c7d2b9 100644
--- a/talpid-core/src/tunnel/mod.rs
+++ b/talpid-core/src/tunnel/mod.rs
@@ -107,13 +107,18 @@ pub struct TunnelMonitor {
 impl TunnelMonitor {
     /// Creates a new `TunnelMonitor` that connects to the given remote and notifies `on_event`
     /// on tunnel state changes.
-    pub fn new<L>(remote: net::Endpoint, account_token: &str, on_event: L) -> Result<Self>
+    pub fn new<L>(
+        remote: net::Endpoint,
+        account_token: &str,
+        log: Option<&Path>,
+        on_event: L,
+    ) -> Result<Self>
     where
         L: Fn(TunnelEvent) + Send + Sync + 'static,
     {
         let user_pass_file = Self::create_user_pass_file(account_token)
             .chain_err(|| ErrorKind::CredentialsWriteError)?;
-        let cmd = Self::create_openvpn_cmd(remote, user_pass_file.as_ref());
+        let cmd = Self::create_openvpn_cmd(remote, user_pass_file.as_ref(), log);
         let user_pass_file_path = user_pass_file.to_path_buf();
 
         let on_openvpn_event = move |event, env| {
@@ -135,7 +140,11 @@ impl TunnelMonitor {
         })
     }
 
-    fn create_openvpn_cmd(remote: net::Endpoint, user_pass_file: &Path) -> OpenVpnCommand {
+    fn create_openvpn_cmd(
+        remote: net::Endpoint,
+        user_pass_file: &Path,
+        log: Option<&Path>,
+    ) -> OpenVpnCommand {
         let mut cmd = OpenVpnCommand::new(Self::get_openvpn_bin());
         if let Some(config) = Self::get_config_path() {
             cmd.config(config);
@@ -143,6 +152,9 @@ impl TunnelMonitor {
         cmd.remote(remote)
             .user_pass(user_pass_file)
             .ca(Self::get_ca_path());
+        if let Some(log) = log {
+            cmd.log(log);
+        }
         cmd
     }