vfs: Implement snapper_gmt_get_real_filename_at()

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

diff --git a/source3/modules/vfs_snapper.c b/source3/modules/vfs_snapper.c
index e8f05cba1fbb32ca8594cabf383c3bb41926593d..3cbdb35642fcbe1a2c89d6e87289b4063987fb24 100644 (file)
--- a/source3/modules/vfs_snapper.c
+++ b/source3/modules/vfs_snapper.c
@@ -2484,8 +2484,48 @@ static NTSTATUS snapper_gmt_get_real_filename_at(
        TALLOC_CTX *mem_ctx,
        char **found_name)
 {
-       NTSTATUS status = snapper_gmt_get_real_filename(
-               handle, dirfsp->fsp_name, name, mem_ctx, found_name);
+       time_t timestamp;
+       char *stripped;
+       char *conv;
+       struct smb_filename *conv_fname = NULL;
+       NTSTATUS status;
+       bool ok;
+
+       ok = snapper_gmt_strip_snapshot(
+               talloc_tos(), handle, dirfsp->fsp_name,&timestamp, &stripped);
+       if (!ok) {
+               return NT_STATUS_NO_MEMORY;
+       }
+       if (timestamp == 0) {
+               return SMB_VFS_NEXT_GET_REAL_FILENAME_AT(
+                       handle, dirfsp, name, mem_ctx, found_name);
+       }
+       if (stripped[0] == '\0') {
+               *found_name = talloc_strdup(mem_ctx, name);
+               if (*found_name == NULL) {
+                       return NT_STATUS_NO_MEMORY;
+               }
+               return NT_STATUS_OK;
+       }
+       conv = snapper_gmt_convert(talloc_tos(), handle, stripped, timestamp);
+       TALLOC_FREE(stripped);
+       if (conv == NULL) {
+               return map_nt_error_from_unix(errno);
+       }
+
+       status = synthetic_pathref(
+               talloc_tos(),
+               dirfsp->conn->cwd_fsp,
+               conv,
+               NULL,
+               NULL,
+               0,
+               0,
+               &conv_fname);
+
+       status = SMB_VFS_NEXT_GET_REAL_FILENAME_AT(
+               handle, conv_fname->fsp, name, mem_ctx, found_name);
+       TALLOC_FREE(conv);
        return status;
 }