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s3: VFS: vfs_snapper. Implement linkat().

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Currently identical to link().

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>
This commit is contained in:
Jeremy Allison 2019-08-16 16:01:22 -07:00
parent c55b43ba13
commit dad377dbe4
1 changed files with 37 additions and 0 deletions
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37
source3/modules/vfs_snapper.c
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@ -2099,6 +2099,42 @@ static int snapper_gmt_link(vfs_handle_struct *handle,
return SMB_VFS_NEXT_LINK(handle, old_smb_fname, new_smb_fname);
}
static int snapper_gmt_linkat(vfs_handle_struct *handle,
files_struct *srcfsp,
const struct smb_filename *old_smb_fname,
files_struct *dstfsp,
const struct smb_filename *new_smb_fname,
int flags)
{
time_t timestamp_old = 0;
time_t timestamp_new = 0;
if (!snapper_gmt_strip_snapshot(talloc_tos(),
handle,
old_smb_fname->base_name,
&timestamp_old,
NULL)) {
return -1;
}
if (!snapper_gmt_strip_snapshot(talloc_tos(),
handle,
new_smb_fname->base_name,
&timestamp_new,
NULL)) {
return -1;
}
if ((timestamp_old != 0) || (timestamp_new != 0)) {
errno = EROFS;
return -1;
}
return SMB_VFS_NEXT_LINKAT(handle,
srcfsp,
old_smb_fname,
dstfsp,
new_smb_fname,
flags);
}
static int snapper_gmt_stat(vfs_handle_struct *handle,
struct smb_filename *smb_fname)
{
@ -2863,6 +2899,7 @@ static struct vfs_fn_pointers snapper_fns = {
.get_quota_fn = snapper_gmt_get_quota,
.renameat_fn = snapper_gmt_renameat,
.link_fn = snapper_gmt_link,
.linkat_fn = snapper_gmt_linkat,
.symlink_fn = snapper_gmt_symlink,
.stat_fn = snapper_gmt_stat,
.lstat_fn = snapper_gmt_lstat,