+- goto out;
++ if (ses.authstate.pw_uid == 0) {
++ if (checkfileperm("/etc/dropbear") != DROPBEAR_SUCCESS) {
++ goto out;
++ }
++ if (checkfileperm("/etc/dropbear/authorized_keys") != DROPBEAR_SUCCESS) {
++ goto out;
++ }
++ } else {
++ /* allocate max required pathname storage,
++ * = path + "/.ssh/authorized_keys" + '\0' = pathlen + 22 */
++ filename = m_malloc(len + 22);
++ strncpy(filename, ses.authstate.pw_dir, len+1);
++
++ /* check ~ */
++ if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
++ goto out;
++ }
++
++ /* check ~/.ssh */
++ strncat(filename, "/.ssh", 5); /* strlen("/.ssh") == 5 */
++ if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
++ goto out;
++ }
++
++ /* now check ~/.ssh/authorized_keys */
++ strncat(filename, "/authorized_keys", 16);
++ if (checkfileperm(filename) != DROPBEAR_SUCCESS) {
++ goto out;
++ }