From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2155) id 3A5BB3858D20; Mon, 11 Mar 2024 16:21:52 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3A5BB3858D20 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1710174112; bh=iPXy3f8z3sQ7G+E1pJz7bYSGrY2+IZktkm6HEe+ddgQ=; h=From:To:Subject:Date:From; b=RVEXwqh+siXMZG+tXLMTdNkB2Lw5r0CxHFvuhZUhLN5nH/3gTmQyJUm6MSvHRfb5x 9BsxLcWJl/AfejcRAEffECp287bPfbEfgO2OtG5Id2/CU7DEb/XoEsWOk+hg1CHSxD N1VxpGX1vTYjZo6J+W9ZjxlqF3TUgPFtwj6F1MJY= Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable From: Corinna Vinschen To: cygwin-cvs@sourceware.org Subject: [newlib-cygwin/cygwin-3_5-branch] Cygwin: get/set security descriptors using FILE_OPEN_NO_RECALL X-Act-Checkin: newlib-cygwin X-Git-Author: Corinna Vinschen X-Git-Refname: refs/heads/cygwin-3_5-branch X-Git-Oldrev: c1cf14a871528d1adba88a0128813b58d52ba926 X-Git-Newrev: 66138cbee4ed784b4cafc00533ebb74b6cdbfff1 Message-Id: <20240311162152.3A5BB3858D20@sourceware.org> Date: Mon, 11 Mar 2024 16:21:52 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=3Dnewlib-cygwin.git;h=3D66138cbee4e= d784b4cafc00533ebb74b6cdbfff1 commit 66138cbee4ed784b4cafc00533ebb74b6cdbfff1 Author: Corinna Vinschen AuthorDate: Fri Mar 8 21:30:57 2024 +0100 Commit: Corinna Vinschen CommitDate: Mon Mar 11 15:29:51 2024 +0100 Cygwin: get/set security descriptors using FILE_OPEN_NO_RECALL =20 Add FILE_OPEN_NO_RECALL to NtOpenFile calls trying to fetch or write file security descriptors so as not to recall them from offline storage inadvertently. =20 Signed-off-by: Corinna Vinschen Diff: --- winsup/cygwin/sec/base.cc | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/winsup/cygwin/sec/base.cc b/winsup/cygwin/sec/base.cc index 8b04b40b4943..0fc8699bfc9e 100644 --- a/winsup/cygwin/sec/base.cc +++ b/winsup/cygwin/sec/base.cc @@ -65,7 +65,8 @@ get_file_sd (HANDLE fh, path_conv &pc, security_descripto= r &sd, fh ? pc.init_reopen_attr (attr, fh) : pc.get_object_attr (attr, sec_none_nih), &io, FILE_SHARE_VALID_FLAGS, - FILE_OPEN_FOR_BACKUP_INTENT + FILE_OPEN_NO_RECALL + | FILE_OPEN_FOR_BACKUP_INTENT | pc.is_known_reparse_point () ? FILE_OPEN_REPARSE_POINT : 0); if (!NT_SUCCESS (status)) @@ -129,7 +130,8 @@ get_file_sd (HANDLE fh, path_conv &pc, security_descrip= tor &sd, NULL, NULL); status =3D NtOpenFile (&fh, READ_CONTROL, &attr, &io, FILE_SHARE_VALID_FLAGS, - FILE_OPEN_FOR_BACKUP_INTENT + FILE_OPEN_NO_RECALL + | FILE_OPEN_FOR_BACKUP_INTENT | FILE_OPEN_REPARSE_POINT); if (!NT_SUCCESS (status)) { @@ -234,7 +236,8 @@ set_file_sd (HANDLE fh, path_conv &pc, security_descrip= tor &sd, bool is_chown) : pc.get_object_attr (attr, sec_none_nih), &io, FILE_SHARE_VALID_FLAGS, - FILE_OPEN_FOR_BACKUP_INTENT + FILE_OPEN_NO_RECALL + | FILE_OPEN_FOR_BACKUP_INTENT | pc.is_known_reparse_point () ? FILE_OPEN_REPARSE_POINT : 0); if (!NT_SUCCESS (status))