This changes real uid id to effective uid id.

BootRoot/Yard.pm

@@ -1097,7 +1097,7 @@ sub copy_strip_file {
 	## non-root users will experience problems here so this is
 	## skipped. --freesource
 
-	if ( $< == 0 ) {
+	if ( $> == 0 ) {
 	    my($mode, $uid, $gid);
 	    (undef, undef, $mode, undef, $uid, $gid) = stat $from;
 	    my $from_base = basename($from);
@@ -1589,7 +1589,7 @@ sub mount_device {
     $options = "";
   }
 
-  if ( $< == 0 ) {
+  if ( $> == 0 ) {
       errmk(sys("mount $options -t ext2 $device $mount_point"));
   }
   else {

gbootroot

@@ -528,13 +528,22 @@ if ( $< == 0 ) {
 }
 else {
 
-    # Hopefully only one user at a time.
-    if (!-d "$tmp1/gboot_non_root") {   
-	$tmp = "$tmp1/gboot_non_root" if err_custom_perl(
-		"mkdir $tmp1/gboot_non_root",
+    # The Administrator just needs to add a line like this to the fstab for
+    # each non-root user who wants to be able to create root_fs.
+    # Ofcourse the user is locked into the ext2 fs in this example
+    #
+    # /tmp/gboot_non_root_`id -u`/root_fs  \ 
+    # /tmp/gboot_non_root_`id -u`/loopback \
+    # ext2 defaults,noauto,user,loop       0       0
+
+    my $user = $>;
+
+    if (!-d "$tmp1/gboot_non_root_" . $user) {   
+	$tmp = "$tmp1/gboot_non_root" . $user if err_custom_perl(
+		"mkdir $tmp1/gboot_non_root" . $user,
 		 "gBootRoot: ERROR: Could not make temporary directory") != 2;
     }
-    $tmp = "$tmp1/gboot_non_root";
+    $tmp = "$tmp1/gboot_non_root" . $user;
 
     if (!-d "$tmp1/gbootroot_mnt$time") {
 	$mnt = "$tmp1/gbootroot_mnt$time" if err_custom_perl(