s3: VFS: vfs_snapper. Implement mkdirat().

Currently identical to mkdir().

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

diff --git a/source3/modules/vfs_snapper.c b/source3/modules/vfs_snapper.c
index 79107b399970cf335b204bb637334eff728d0097..1274f1f14a25def74d2cff3c1dec7bdea196fe23 100644 (file)
--- a/source3/modules/vfs_snapper.c
+++ b/source3/modules/vfs_snapper.c
@@ -2562,6 +2562,27 @@ static int snapper_gmt_mkdir(vfs_handle_struct *handle,
        return SMB_VFS_NEXT_MKDIR(handle, fname, mode);
 }
 
+static int snapper_gmt_mkdirat(vfs_handle_struct *handle,
+                               struct files_struct *dirfsp,
+                               const struct smb_filename *fname,
+                               mode_t mode)
+{
+       time_t timestamp = 0;
+
+       if (!snapper_gmt_strip_snapshot(talloc_tos(), handle, fname->base_name,
+                                       &timestamp, NULL)) {
+               return -1;
+       }
+       if (timestamp != 0) {
+               errno = EROFS;
+               return -1;
+       }
+       return SMB_VFS_NEXT_MKDIRAT(handle,
+                       dirfsp,
+                       fname,
+                       mode);
+}
+
 static int snapper_gmt_rmdir(vfs_handle_struct *handle,
                                const struct smb_filename *fname)
 {
@@ -2903,6 +2924,7 @@ static struct vfs_fn_pointers snapper_fns = {
        .get_nt_acl_fn = snapper_gmt_get_nt_acl,
        .fget_nt_acl_fn = snapper_gmt_fget_nt_acl,
        .mkdir_fn = snapper_gmt_mkdir,
+       .mkdirat_fn = snapper_gmt_mkdirat,
        .rmdir_fn = snapper_gmt_rmdir,
        .getxattr_fn = snapper_gmt_getxattr,
        .getxattrat_send_fn = vfs_not_implemented_getxattrat_send,