From 7fe783631b4a48d3d3d422f302f736e8b215f0c1 Mon Sep 17 00:00:00 2001
From: Arne Schwabe <arne@rfc2549.org>
Date: Fri, 4 Jan 2013 22:14:40 +0100
Subject: Fetch current translation from crowd.in

---
 openvpn/src/openvpn/socket.c | 19 ++++++++++++++++---
 openvpn/src/openvpn/socket.h | 17 +++++++++++++++++
 2 files changed, 33 insertions(+), 3 deletions(-)

(limited to 'openvpn/src')

diff --git a/openvpn/src/openvpn/socket.c b/openvpn/src/openvpn/socket.c
index 47329ddf..e3e93525 100644
--- a/openvpn/src/openvpn/socket.c
+++ b/openvpn/src/openvpn/socket.c
@@ -686,22 +686,32 @@ create_socket (struct link_socket *sock)
     {
       ASSERT (0);
     }
+
     /* set socket buffers based on --sndbuf and --rcvbuf options */
     socket_set_buffers (sock->sd, &sock->socket_buffer_sizes);
     
     /* set socket to --mark packets with given value */
     socket_set_mark (sock->sd, sock->mark);
     
+}
+
 #ifdef TARGET_ANDROID
+static void protect_fd_nonlocal (int fd, struct sockaddr* addr)
+{
+    if (addr_local (addr)) {
+        msg(M_DEBUG, "Address is local, not protecting socket fd %d", fd);
+        return;
+    }
+    
     struct user_pass up;
     strcpy(up.username ,__func__);
-    management->connection.fdtosend = sock->sd;
-    msg(M_DEBUG, "Protecting socket fd %d", sock->sd);
+    management->connection.fdtosend = fd;
+    msg(M_DEBUG, "Protecting socket fd %d", fd);
     management_query_user_pass(management, &up , "PROTECTFD", GET_USER_PASS_NEED_OK,(void*) 0);
 
+}
 #endif
     
-}
 
 /*
  * Functions used for establishing a TCP stream connection.
@@ -926,7 +936,10 @@ openvpn_connect (socket_descriptor_t sd,
 
 #ifdef CONNECT_NONBLOCK
   set_nonblock (sd);
+
+  protect_fd_nonlocal(sd, remote);
   status = connect (sd, remote, af_addr_size(remote->sa_family));
+
   if (status)
     status = openvpn_errno ();
   if (
diff --git a/openvpn/src/openvpn/socket.h b/openvpn/src/openvpn/socket.h
index 1a6d7c32..5b7a26a9 100644
--- a/openvpn/src/openvpn/socket.h
+++ b/openvpn/src/openvpn/socket.h
@@ -595,6 +595,23 @@ addr_defined (const struct openvpn_sockaddr *addr)
     default: return 0;
   }
 }
+
+static inline bool
+addr_local (const struct sockaddr *addr)
+{
+    if (!addr)
+        return false;
+    switch (addr->sa_family) {
+        case AF_INET:
+            return ((const struct sockaddr_in*)addr)->sin_addr.s_addr == htonl(INADDR_LOOPBACK);
+        case AF_INET6:
+            return  IN6_IS_ADDR_LOOPBACK(&((const struct sockaddr_in6*)addr)->sin6_addr);
+        default:
+            return false;
+    }
+}
+
+
 static inline bool
 addr_defined_ipi (const struct link_socket_actual *lsa)
 {
-- 
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