From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2155) id 7DDF93858D33; Fri, 8 Mar 2024 20:31:12 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7DDF93858D33 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1709929872; bh=/mdBba5Tjf7JiyV51pRKYFDQvj53YmzMO+18yt9ONhE=; h=From:To:Subject:Date:From; b=er/4xJCpLlznGUr5ardkUIQsiMX4tu7HiqjsaKhX2aLxb9l9b4NxmM7EWy+r+FzZP QvIE1IvsXEmdou88nbcj3a5/tKspoIkIpOATY8gcaOlNqQRTBvLouHbmkn+5bqDkDS v4cI3XrMwt9WtOkogofWEiWh4f+VDLfayw7ZwkGE= 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/main] 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/main X-Git-Oldrev: f6b56abec1865f8da7632644210bae36b395569b X-Git-Newrev: 2100c6ef0dee120c316b7bea42bf5e93c281e808 Message-Id: <20240308203112.7DDF93858D33@sourceware.org> Date: Fri, 8 Mar 2024 20:31:12 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=3Dnewlib-cygwin.git;h=3D2100c6ef0de= e120c316b7bea42bf5e93c281e808 commit 2100c6ef0dee120c316b7bea42bf5e93c281e808 Author: Corinna Vinschen AuthorDate: Fri Mar 8 21:30:57 2024 +0100 Commit: Corinna Vinschen CommitDate: Fri Mar 8 21:30:57 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))