+static int
+cltrack_check_legacy(const unsigned char *blob, const ssize_t len)
+{
+ int ret;
+ struct stat st;
+ char *recdir = getenv("NFSDCLTRACK_LEGACY_RECDIR");
+
+ if (!recdir) {
+ xlog(D_GENERAL, "No NFSDCLTRACK_LEGACY_RECDIR env var");
+ return -EOPNOTSUPP;
+ }
+
+ /* fail recovery on any stat failure */
+ ret = stat(recdir, &st);
+ if (ret) {
+ xlog(D_GENERAL, "Unable to stat %s: %d", recdir, errno);
+ return -errno;
+ }
+
+ /* fail if it isn't a directory */
+ if (!S_ISDIR(st.st_mode)) {
+ xlog(D_GENERAL, "%s is not a directory: mode=0%o", recdir
+ , st.st_mode);
+ return -ENOTDIR;
+ }
+
+ /* Dir exists, try to insert record into db */
+ ret = sqlite_insert_client(blob, len);
+ if (ret) {
+ xlog(D_GENERAL, "Failed to insert client: %d", ret);
+ return -EREMOTEIO;
+ }
+
+ /* remove the legacy recoverydir */
+ ret = rmdir(recdir);
+ if (ret) {
+ xlog(D_GENERAL, "Failed to rmdir %s: %d", recdir, errno);
+ return -errno;
+ }
+ return 0;
+}
+