From 50c31870ca0ba9ef960d2cd9ed602e86bb0b4234 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@anytun.org>
Date: Wed, 21 Jan 2009 13:45:13 +0000
Subject: improved adapter search which cares about componentids

---
 src/anytun.suo          | Bin 59392 -> 59392 bytes
 src/win32/tunDevice.cpp |  28 +++++++++++++++++++---------
 2 files changed, 19 insertions(+), 9 deletions(-)

(limited to 'src')

diff --git a/src/anytun.suo b/src/anytun.suo
index be5c60a..b53dcf1 100644
Binary files a/src/anytun.suo and b/src/anytun.suo differ
diff --git a/src/win32/tunDevice.cpp b/src/win32/tunDevice.cpp
index 811d193..9c02208 100644
--- a/src/win32/tunDevice.cpp
+++ b/src/win32/tunDevice.cpp
@@ -93,18 +93,18 @@ TunDevice::TunDevice(std::string dev_name, std::string dev_type, std::string ifc
 
 bool TunDevice::getAdapter(std::string const& dev_name)
 {
-  RegistryKey key;
-  DWORD err = key.open(HKEY_LOCAL_MACHINE, NETWORK_CONNECTIONS_KEY, KEY_ENUMERATE_SUB_KEYS);
+  RegistryKey akey;
+  DWORD err = akey.open(HKEY_LOCAL_MACHINE, ADAPTER_KEY, KEY_ENUMERATE_SUB_KEYS);
   if(err != ERROR_SUCCESS) {
     std::stringstream msg;
     msg << "Unable to open registry key: " << LogErrno(err);
     throw std::runtime_error(msg.str());
   }
-
+  
   bool found = false;
   for(int i=0; ; ++i) {
-    RegistryKey key2;
-    DWORD err = key.getSubKey(i, key2, KEY_QUERY_VALUE);
+    RegistryKey ckey;
+    DWORD err = akey.getSubKey(i, ckey, KEY_QUERY_VALUE);
     if(err == ERROR_NO_MORE_ITEMS)
 			break;
     if(err != ERROR_SUCCESS) {
@@ -112,12 +112,22 @@ bool TunDevice::getAdapter(std::string const& dev_name)
       msg << "Unable to read registry: " << LogErrno(err);
       throw std::runtime_error(msg.str());
     }
-    actual_node_ = key2.getName();
-    RegistryKey key3;
-    key2.getSubKey("Connection", key3, KEY_QUERY_VALUE);
 
     try {
-       actual_name_ = key3["Name"];
+      if(ckey["ComponentId"] != TAP_COMPONENT_ID)
+        continue;
+      actual_node_ = ckey["NetCfgInstanceId"];
+
+      RegistryKey nkey;
+      std::stringstream keyname;
+      keyname << NETWORK_CONNECTIONS_KEY << "\\" << actual_node_ << "\\Connection";
+      err = nkey.open(HKEY_LOCAL_MACHINE, keyname.str().c_str(), KEY_QUERY_VALUE);;
+      if(err != ERROR_SUCCESS) {
+        std::stringstream msg;
+        msg << "Unable to open registry key: " << LogErrno(err);
+        throw std::runtime_error(msg.str());
+      }
+      actual_name_ = nkey["Name"];
     } catch(LogErrno& e) { continue; }
 
     if(dev_name != "") {
-- 
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