From b90c6f17b476b0ef1bd831f4a475425c94ba237f Mon Sep 17 00:00:00 2001
From: James Yonan <james@openvpn.net>
Date: Fri, 16 Jul 2010 18:01:11 +0000
Subject: Added --register-dns option for Windows.

Fixed some issues on Windows with --log, subprocess creation
for command execution, and stdout/stderr redirection.

Version 2.1.1m.


git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@6304 e7ae566f-a301-0410-adde-c780ea21d3b5
---
 tun.c | 39 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

(limited to 'tun.c')

diff --git a/tun.c b/tun.c
index fcc4c01..b05fcf8 100644
--- a/tun.c
+++ b/tun.c
@@ -3382,6 +3382,28 @@ netsh_command (const struct argv *a, int n)
   msg (M_FATAL, "NETSH: command failed");
 }
 
+void
+ipconfig_register_dns (const struct env_set *es)
+{
+  struct argv argv;
+  bool status;
+  const char err[] = "ERROR: Windows ipconfig command failed";
+
+  netcmd_semaphore_lock ();
+  argv_init (&argv);
+  argv_printf (&argv, "%s%sc /flushdns",
+	       get_win_sys_path(),
+	       WIN_IPCONFIG_PATH_SUFFIX);
+  status = openvpn_execve_check (&argv, es, 0, err);
+  argv_reset(&argv);
+  argv_printf (&argv, "%s%sc /registerdns",
+	       get_win_sys_path(),
+	       WIN_IPCONFIG_PATH_SUFFIX);
+  status = openvpn_execve_check (&argv, es, 0, err);
+  argv_reset(&argv);
+  netcmd_semaphore_release ();
+}
+
 void
 ip_addr_string_to_array (in_addr_t *dest, int *dest_len, const IP_ADDR_STRING *src)
 {
@@ -3817,13 +3839,28 @@ fork_dhcp_action (struct tuntap *tt)
 	buf_printf (&cmd, " --dhcp-pre-release");
       if (tt->options.dhcp_renew)
 	buf_printf (&cmd, " --dhcp-renew");
-      buf_printf (&cmd, " --dhcp-rr %u", (unsigned int)tt->adapter_index);
+      buf_printf (&cmd, " --dhcp-internal %u", (unsigned int)tt->adapter_index);
 
       fork_to_self (BSTR (&cmd));
       gc_free (&gc);
     }
 }
 
+void
+fork_register_dns_action (struct tuntap *tt)
+{
+  if (tt && tt->options.register_dns)
+    {
+      struct gc_arena gc = gc_new ();
+      struct buffer cmd = alloc_buf_gc (256, &gc);
+      const int verb = 3;
+ 
+      buf_printf (&cmd, "openvpn --verb %d --register-dns --rdns-internal", verb);
+      fork_to_self (BSTR (&cmd));
+      gc_free (&gc);
+    }
+}
+
 void
 open_tun (const char *dev, const char *dev_type, const char *dev_node, bool ipv6, struct tuntap *tt)
 {
-- 
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