From: Lev Stipakov <lstipakov@gmail.com>
Date: Sat, 12 Dec 2015 12:34:20 +0000 (+0200)
Subject: Pass adapter index to up/down scripts
X-Git-Tag: v2.4_alpha1~173
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9dff2c1f106865a72a1d505076751dde170e88dc;p=thirdparty%2Fopenvpn.git

Pass adapter index to up/down scripts

Trac #637

Signed-off-by: Lev Stipakov <lstipakov@gmail.com>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <1449923660-27363-1-git-send-email-lstipakov@gmail.com>
URL: http://article.gmane.org/gmane.network.openvpn.devel/10762
Signed-off-by: Gert Doering <gert@greenie.muc.de>
---

diff --git a/doc/openvpn.8 b/doc/openvpn.8
index 3c0d70bf1..94b522209 100644
--- a/doc/openvpn.8
+++ b/doc/openvpn.8
@@ -5954,6 +5954,17 @@ or
 script execution.
 .\"*********************************************************
 .TP
+.B dev_idx
+On Windows, the device index of the TUN/TAP adapter (to
+be used in netsh.exe calls which sometimes just do not work
+right with interface names).
+Set prior to
+.B \-\-up
+or
+.B \-\-down
+script execution.
+.\"*********************************************************
+.TP
 .B foreign_option_{n}
 An option pushed via
 .B \-\-push
diff --git a/src/openvpn/init.c b/src/openvpn/init.c
index e7e9532ef..2beec7220 100644
--- a/src/openvpn/init.c
+++ b/src/openvpn/init.c
@@ -1485,6 +1485,9 @@ do_open_tun (struct context *c)
 		   c->plugins,
 		   OPENVPN_PLUGIN_UP,
 		   c->c1.tuntap->actual_name,
+#ifdef WIN32
+		   c->c1.tuntap->adapter_index,
+#endif
 		   dev_type_string (c->options.dev, c->options.dev_type),
 		   TUN_MTU_SIZE (&c->c2.frame),
 		   EXPANDED_SIZE (&c->c2.frame),
@@ -1535,6 +1538,9 @@ do_open_tun (struct context *c)
 		     c->plugins,
 		     OPENVPN_PLUGIN_UP,
 		     c->c1.tuntap->actual_name,
+#ifdef WIN32
+		     c->c1.tuntap->adapter_index,
+#endif
 		     dev_type_string (c->options.dev, c->options.dev_type),
 		     TUN_MTU_SIZE (&c->c2.frame),
 		     EXPANDED_SIZE (&c->c2.frame),
@@ -1573,6 +1579,9 @@ do_close_tun (struct context *c, bool force)
   if (c->c1.tuntap && c->c1.tuntap_owned)
     {
       const char *tuntap_actual = string_alloc (c->c1.tuntap->actual_name, &gc);
+#ifdef WIN32
+      DWORD adapter_index = c->c1.tuntap->adapter_index;
+#endif
       const in_addr_t local = c->c1.tuntap->local;
       const in_addr_t remote_netmask = c->c1.tuntap->remote_netmask;
 
@@ -1596,6 +1605,9 @@ do_close_tun (struct context *c, bool force)
                            c->plugins,
                            OPENVPN_PLUGIN_ROUTE_PREDOWN,
                            tuntap_actual,
+#ifdef WIN32
+                           adapter_index,
+#endif
                            NULL,
                            TUN_MTU_SIZE (&c->c2.frame),
                            EXPANDED_SIZE (&c->c2.frame),
@@ -1621,6 +1633,9 @@ do_close_tun (struct context *c, bool force)
 		       c->plugins,
 		       OPENVPN_PLUGIN_DOWN,
 		       tuntap_actual,
+#ifdef WIN32
+		       adapter_index,
+#endif
 		       NULL,
 		       TUN_MTU_SIZE (&c->c2.frame),
 		       EXPANDED_SIZE (&c->c2.frame),
@@ -1652,6 +1667,9 @@ do_close_tun (struct context *c, bool force)
 			 c->plugins,
 			 OPENVPN_PLUGIN_DOWN,
 			 tuntap_actual,
+#ifdef WIN32
+			 adapter_index,
+#endif
 			 NULL,
 			 TUN_MTU_SIZE (&c->c2.frame),
 			 EXPANDED_SIZE (&c->c2.frame),
diff --git a/src/openvpn/misc.c b/src/openvpn/misc.c
index bc411bf12..05ed0738d 100644
--- a/src/openvpn/misc.c
+++ b/src/openvpn/misc.c
@@ -62,6 +62,9 @@ run_up_down (const char *command,
 	     const struct plugin_list *plugins,
 	     int plugin_type,
 	     const char *arg,
+#ifdef WIN32
+	     DWORD adapter_index,
+#endif
 	     const char *dev_type,
 	     int tun_mtu,
 	     int link_mtu,
@@ -82,6 +85,9 @@ run_up_down (const char *command,
   setenv_str (es, "dev", arg);
   if (dev_type)
     setenv_str (es, "dev_type", dev_type);
+#ifdef WIN32
+  setenv_int (es, "dev_idx", adapter_index);
+#endif
 
   if (!ifconfig_local)
     ifconfig_local = "";
diff --git a/src/openvpn/misc.h b/src/openvpn/misc.h
index dbe899e9b..65a6e55a0 100644
--- a/src/openvpn/misc.h
+++ b/src/openvpn/misc.h
@@ -63,6 +63,9 @@ void run_up_down (const char *command,
 		  const struct plugin_list *plugins,
 		  int plugin_type,
 		  const char *arg,
+#ifdef WIN32
+		  DWORD adapter_index,
+#endif
 		  const char *dev_type,
 		  int tun_mtu,
 		  int link_mtu,