--- loncom/lcpasswd	2000/10/29 23:14:16	1.8
+++ loncom/lcpasswd	2000/10/30 02:31:45	1.9
@@ -117,7 +117,14 @@ if ($username ne $safeusername) {
     unlink('/tmp/lock_lcpasswd');
     exit 9;
 }
-
+my $pbad=0;
+map {if (($_<32)&&($_>126)){$pbad=1;}} (split(//,$oldpwd));
+map {if (($_<32)&&($_>126)){$pbad=1;}} (split(//,$newpwd));
+if ($pbad) {
+    print "Error. A password entry had an invalid character.\n";
+    unlink('/tmp/lock_lcpasswd');
+    exit 10;
+}
 
 # Grab the line corresponding to username
 my ($userid,$useroldcryptpwd);