From 9fd630fb23b741bc41c4d3d9e09198da1b4c6470 Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Thu, 2 Oct 2025 16:53:27 +0200
Subject: common,w32: Always use share mode readwrite for the keybox.

* common/iobuf.c (direct_open) [W32]: Always use a share mode read or
write.
* kbx/keybox-init.c (_keybox_ll_open): Ditto.  This requires the
latest gpgrt to work.
--

Cherry pick 2.2 commit:
	3971b2528f465dcac0ea75c77840cb22b6a969d3

This change might help with
GnuPG-bug-id: 7829
---
 common/mischelp.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'common/mischelp.c')

diff --git a/common/mischelp.c b/common/mischelp.c
index ef70c9d83..db0bd0521 100644
--- a/common/mischelp.c
+++ b/common/mischelp.c
@@ -85,6 +85,9 @@ same_file_p (const char *name1, const char *name2)
       wname = gpgrt_fname_to_wchar (name1);
       if (wname)
         {
+          /* Note that if the desiredAccess (2nd arg) is zero, we are
+           * allowed to query certain metadata even if GENERIC_READ
+           * would have not been granted.  */
           file1 = CreateFileW (wname, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
           xfree (wname);
         }
-- 
cgit