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smbd: use SMB_VFS_OPENAT() in non_widelink_open()

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Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Ralph Boehme 2020-05-19 21:30:24 +02:00 committed by Jeremy Allison
parent 643a441edb
commit c57d76ec1a
1 changed files with 19 additions and 1 deletions
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20
source3/smbd/open.c
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@ -632,6 +632,7 @@ static int non_widelink_open(files_struct *fsp,
int saved_errno = 0;
struct smb_filename *oldwd_fname = NULL;
struct smb_filename *parent_dir_fname = NULL;
struct files_struct *cwdfsp = NULL;
bool ok;
if (fsp->fsp_flags.is_directory) {
@ -679,12 +680,28 @@ static int non_widelink_open(files_struct *fsp,
goto out;
}
status = vfs_at_fspcwd(talloc_tos(),
conn,
&cwdfsp);
if (!NT_STATUS_IS_OK(status)) {
saved_errno = map_errno_from_nt_status(status);
goto out;
}
flags |= O_NOFOLLOW;
{
struct smb_filename *tmp_name = fsp->fsp_name;
fsp->fsp_name = smb_fname_rel;
fd = SMB_VFS_OPEN(conn, smb_fname_rel, fsp, flags, mode);
fd = SMB_VFS_OPENAT(conn,
cwdfsp,
smb_fname_rel,
fsp,
flags,
mode);
fsp->fsp_name = tmp_name;
}
@ -739,6 +756,7 @@ static int non_widelink_open(files_struct *fsp,
out:
TALLOC_FREE(parent_dir_fname);
TALLOC_FREE(cwdfsp);
if (oldwd_fname != NULL) {
int ret = vfs_ChDir(conn, oldwd_fname);