s3: VFS: shadow_copy2: Add shadow_copy2_read_dfs_pathat().

Not yet used.

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

diff --git a/source3/modules/vfs_shadow_copy2.c b/source3/modules/vfs_shadow_copy2.c
index 143f92959ffc0ca87d1647376073dafd02439057..c9b8d80e7f46638daaece6d74f938d108b50cff2 100644 (file)
--- a/source3/modules/vfs_shadow_copy2.c
+++ b/source3/modules/vfs_shadow_copy2.c
@@ -2467,6 +2467,60 @@ static NTSTATUS shadow_copy2_create_dfs_pathat(struct vfs_handle_struct *handle,
                        referral_count);
 }
 
+static NTSTATUS shadow_copy2_read_dfs_pathat(struct vfs_handle_struct *handle,
+                               TALLOC_CTX *mem_ctx,
+                               struct files_struct *dirfsp,
+                               const struct smb_filename *smb_fname,
+                               struct referral **ppreflist,
+                               size_t *preferral_count)
+{
+       time_t timestamp = 0;
+       char *stripped = NULL;
+       struct smb_filename *conv = NULL;
+       NTSTATUS status;
+
+       if (!shadow_copy2_strip_snapshot(mem_ctx,
+                                       handle,
+                                       smb_fname->base_name,
+                                       &timestamp,
+                                       &stripped)) {
+               return NT_STATUS_NO_MEMORY;
+       }
+       if (timestamp == 0) {
+               return SMB_VFS_NEXT_READ_DFS_PATHAT(handle,
+                                       mem_ctx,
+                                       dirfsp,
+                                       smb_fname,
+                                       ppreflist,
+                                       preferral_count);
+       }
+
+       conv = cp_smb_filename(mem_ctx, smb_fname);
+       if (conv == NULL) {
+               TALLOC_FREE(stripped);
+               return NT_STATUS_NO_MEMORY;
+       }
+       conv->base_name = shadow_copy2_convert(conv,
+                                       handle,
+                                       stripped,
+                                       timestamp);
+       TALLOC_FREE(stripped);
+       if (conv->base_name == NULL) {
+               TALLOC_FREE(conv);
+               return NT_STATUS_NO_MEMORY;
+       }
+
+       status = SMB_VFS_NEXT_READ_DFS_PATHAT(handle,
+                               mem_ctx,
+                               dirfsp,
+                               conv,
+                               ppreflist,
+                               preferral_count);
+
+       TALLOC_FREE(conv);
+       return status;
+}
+
 static int shadow_copy2_get_real_filename(struct vfs_handle_struct *handle,
                                          const char *path,
                                          const char *name,
@@ -3149,6 +3203,7 @@ static struct vfs_fn_pointers vfs_shadow_copy2_fns = {
        .disk_free_fn = shadow_copy2_disk_free,
        .get_quota_fn = shadow_copy2_get_quota,
        .create_dfs_pathat_fn = shadow_copy2_create_dfs_pathat,
+       .read_dfs_pathat_fn = shadow_copy2_read_dfs_pathat,
        .renameat_fn = shadow_copy2_renameat,
        .linkat_fn = shadow_copy2_linkat,
        .symlinkat_fn = shadow_copy2_symlinkat,