From: Jason A. Donenfeld <Jason@zx2c4.com>
Date: Mon, 22 Jul 2019 15:01:27 +0000 (+0200)
Subject: wintun: enable sharing of pnp node
X-Git-Tag: 0.0.20190805~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=50cd522cb0d8e384a4f46ec4155d7bed37cd57a6;p=thirdparty%2Fwireguard-go.git

wintun: enable sharing of pnp node
---

diff --git a/tun/wintun/wintun_windows.go b/tun/wintun/wintun_windows.go
index 88d565d..9be2b17 100644
--- a/tun/wintun/wintun_windows.go
+++ b/tun/wintun/wintun_windows.go
@@ -626,7 +626,7 @@ func (wintun *Wintun) AdapterHandle() (windows.Handle, error) {
 		return windows.InvalidHandle, fmt.Errorf("PnPInstanceId registry key read failed: %v", err)
 	}
 	mangledPnpNode := strings.ReplaceAll(fmt.Sprintf("%s\\{cac88484-7515-4c03-82e6-71a87abac361}", pnpInstanceID), "\\", "#")
-	handle, err := windows.CreateFile(windows.StringToUTF16Ptr(fmt.Sprintf("\\\\.\\Global\\%s", mangledPnpNode)), windows.GENERIC_READ|windows.GENERIC_WRITE, 0, nil, windows.OPEN_EXISTING, 0, 0)
+	handle, err := windows.CreateFile(windows.StringToUTF16Ptr(fmt.Sprintf("\\\\.\\Global\\%s", mangledPnpNode)), windows.GENERIC_READ|windows.GENERIC_WRITE, windows.FILE_SHARE_READ | windows.FILE_SHARE_WRITE | windows.FILE_SHARE_DELETE, nil, windows.OPEN_EXISTING, 0, 0)
 	if err != nil {
 		return windows.InvalidHandle, fmt.Errorf("CreateFile on mangled PnPInstanceId path failed: %v", err)
 	}