This adds boot making capabilities for non-root users, right now mknod

privileges are needed, but this will be replaced with devfs if possible.

gbootroot

@@ -129,6 +129,7 @@ my $home = "$ENV{HOME}/.gbootroot";
 my $uml_xterm = "xterm -e";
 $main::editor = "emacs --font 6x13";
 $main::makefs = "mke2fs -F -m0 -i8192"; # Root Disk
+my $sudo = "sudo";
 
 # CHANGES
 #
@@ -505,7 +506,7 @@ my $time = sprintf("%02d:%02d:%02d-%02d-%02d-%04d",
 		   $hour, $min, $sec, $month+1, $day, $year+1900);
 
 # Here's where stuff gets intersting, non-root users can create root_fs,
-# which is great for UML.
+# which is great for UML, and a boot disk.
 
 if ( $> == 0 ) {
 
@@ -528,12 +529,29 @@ else {
 
     # The Administrator just needs to add a line like the one below 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, and 
+    # In this example, `id -u` has to be the actual effective numeric user 
-    # `id -u` has to be the actual effective numeric user id.
+    # id,  and the root_fs has to always be named root_fs when it is being
+    # made, but it can be renamed afterwards.
     #
     # /tmp/gboot_non_root_`id -u`/root_fs  \ 
     # /tmp/gboot_non_root_`id -u`/loopback \
-    # ext2 defaults,noauto,user,loop       0       0
+    # auto   defaults,noauto,user,loop       0       0
+    #
+    # For the boot/root disks the administrator will have to give the user
+    # special su privileges (mknod) to make special devices.  The $sudo 
+    # variable can be set to sudo or super, fakeroot won't work.
+    # These include: /dev/{console,null,ram0,ram1,tty0}
+    # These two lines need to be added to create the boot_fs and the boot/root
+    # disk.  In this example the user is locked into using one type of device 
+    # for the boot/root
+    #
+    # /tmp/gboot_not_root_`id -u`/initrd_image \ 
+    # /tmp/gboot_not_root_'id -u1`/initrd_mnt  \
+    # auto   defaults,noauto,user,loop       0      0
+    #
+    # /dev/fd0 /tmp/gboot_not_root_mnt_`id -u` auto  defaults,noauto,user 0 0
+    
+
 
     my $user = $>;
 
@@ -544,9 +562,9 @@ else {
     }
     $tmp = "$tmp1/gboot_non_root_" . $user;
 
-    if (!-d "$tmp1/gbootroot_mnt$time") {
+    if (!-d "$tmp1/gboot_non_root_mnt_" . $user) {
-	$mnt = "$tmp1/gbootroot_mnt$time" if err_custom_perl(
+	$mnt = "$tmp1/gboot_non_root_mnt_" . $user if err_custom_perl(
-	       "mkdir $tmp1/gbootroot_mnt$time",
+	       "mkdir $tmp1/gboot_non_root_mnt_" . $user,
                "gBootRoot: ERROR: Could not make mount directory") != 2;
     }
 
@@ -2615,7 +2633,15 @@ sub lilo_put_it_together {
   info(0, "Umount device\n");
   info(0, "Remount device\n");
   pb($B,6);
+  
+  # Real device
+  if ( $> == 0 ) {
       return if errm(sys("mount -t ext2 $entry_advanced[0] $mnt")) == 2;
+  }
+  else {
+      return if errm(sys("mount $mnt")) == 2;
+  }
+
   info(0, "Configuring lilo\n");
   pb($B,7);
   chdir("$mnt"); #"boot_root: ERROR: Could not change directories\n";
@@ -3046,9 +3072,15 @@ sub initrd {
     if (!-d "$tmp/initrd_mnt") {
 	return if errmk(sys("mkdir $tmp/initrd_mnt")) == 2;
     }
+
+    # Here the loop device is made on tmp, not mnt
+    if ( $> == 0 )  {
 	return if errm(sys("mount -o loop -t ext2 $tmp/$initrd $tmp/initrd_mnt"))
 	== 2;    
-
+    }
+    else {
+	return if errm(sys("mount $tmp/initrd_mnt"))
+    }
     pb($I,4);
 
     info(0, "Putting everything together\n");
@@ -3070,10 +3102,21 @@ sub initrd {
 	return if err(sys("cp -a $container[BOOT_DEVICE] $mnt/dev")) == 2;
     }
 
+    if ( $> == 0 ) {
      return if errcp(		    
      sys("cp -a /dev/{console,null,ram0,ram1,tty0} $tmp/initrd_mnt/dev")) == 2;
      return if errcp(sys("cp -a $container[BOOT_DEVICE] $tmp/initrd_mnt/dev"))
 	== 2;
+    }
+    else {
+	# This could be replaced by a devfs.
+	sys("$sudo mknod c 5 1 $tmp/initrd_mnt/dev/console");
+	sys("$sudo mknod c 1 3 $tmp/initrd_mnt/dev/null");
+	sys("$sudo mknod b 1 0 $tmp/initrd_mnt/dev/ram0");
+	sys("$sudo mknod b 1 1 $tmp/initrd_mnt/dev/ram1");
+	sys("$sudo mknod c 4 0 $tmp/initrd_mnt/dev/tty0");
+	sys("$sudo mknod b 2 0 $tmp/initrd_mnt/dev/fd0");
+    }
     pb($I,7);
 
     # This and libs should be user accessible
@@ -3451,6 +3494,7 @@ sub mtab_check {
 	    sys("mke2fs -F -m0 -i8192 $entry_advanced[3] $root_device_size");
 	}
 	
+	
 	# BOOT_DEVICE
         elsif ($count == 0) {
 	    sys("mke2fs -F -m0 -i8192 $entry_advanced[0] $container[SIZE]");
@@ -3464,13 +3508,23 @@ sub mtab_check {
 	
 	# ROOT_DEVICE
 	if ($count == 1) {
+	    if ( $> == 0 ) {
 		return if errm(sys("mount -t ext2  $entry_advanced[3] $mnt")) == 2;
 	    }
+	    else {
+		return if errm(sys("mount $mnt")) == 2;
+	    }
+	}
 	
 	# BOOT_DEVICE
 	elsif ($count == 0) {
+	    if ( $> == 0 ) {
 		return if errm(sys("mount -t ext2  $entry_advanced[0] $mnt")) == 2;
 	    }
+	    else {
+		return if errm(sys("mount $mnt")) == 2;
+	    }
+	}
 
 
 	lilo_put_it_together() if $count == 0;  # mtab(1) runs from here