s3: VFS: vfs_snapper. Implement renameat().

Currently identical to rename().

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

1 files changed, 35 insertions, 0 deletions

diff --git a/source3/modules/vfs_snapper.c b/source3/modules/vfs_snapper.c
index 03bcf658ec6..6222b2f19a8 100644
--- a/source3/modules/vfs_snapper.c
+++ b/source3/modules/vfs_snapper.c
@@ -2036,6 +2036,40 @@ static int snapper_gmt_rename(vfs_handle_struct *handle,
 	return SMB_VFS_NEXT_RENAME(handle, smb_fname_src, smb_fname_dst);
 }
 
+static int snapper_gmt_renameat(vfs_handle_struct *handle,
+			files_struct *srcfsp,
+			const struct smb_filename *smb_fname_src,
+			files_struct *dstfsp,
+			const struct smb_filename *smb_fname_dst)
+{
+	time_t timestamp_src, timestamp_dst;
+
+	if (!snapper_gmt_strip_snapshot(talloc_tos(), handle,
+					smb_fname_src->base_name,
+					&timestamp_src, NULL)) {
+		return -1;
+	}
+	if (!snapper_gmt_strip_snapshot(talloc_tos(), handle,
+					smb_fname_dst->base_name,
+					&timestamp_dst, NULL)) {
+		return -1;
+	}
+	if (timestamp_src != 0) {
+		errno = EXDEV;
+		return -1;
+	}
+	if (timestamp_dst != 0) {
+		errno = EROFS;
+		return -1;
+	}
+	return SMB_VFS_NEXT_RENAMEAT(handle,
+			srcfsp,
+			smb_fname_src,
+			dstfsp,
+			smb_fname_dst);
+}
+
+
 static int snapper_gmt_symlink(vfs_handle_struct *handle,
 				const char *link_contents,
 				const struct smb_filename *new_smb_fname)
@@ -2855,6 +2889,7 @@ static struct vfs_fn_pointers snapper_fns = {
 	.disk_free_fn = snapper_gmt_disk_free,
 	.get_quota_fn = snapper_gmt_get_quota,
 	.rename_fn = snapper_gmt_rename,
+	.renameat_fn = snapper_gmt_renameat,
 	.link_fn = snapper_gmt_link,
 	.symlink_fn = snapper_gmt_symlink,
 	.stat_fn = snapper_gmt_stat,