(old)Puppy Linux Discussion Forum

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# lspci -k | grep -EA3 'VGA|3D|Display'
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5300 (rev 09)
	DeviceName:  Onboard IGD
	Subsystem: Dell HD Graphics 5300
	Kernel driver in use: i915

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# cd /usr/sbin
# ./save2session
Waiting for RAM save task to finish...
find: ‘/aufs/pup_save/archive’: No such file or directory
mount: /tmp/shutdown-mnt-L1iJnV: WARNING: device write-protected, mounted read-only.
Saving initial session multi-fd64save-2019-02-14T13-53+00-00-base.sfs... umount: /dev/sr0: not mounted.
failed.
Saving session to multi-fd64save-2019-02-14T13-53+00-00-save.sfs... umount: /dev/sr0: not mounted.
failed.
removing bottom-layer files which have been deleted from top-layer
removing bottom-layer whiteouts for newly added top-layer files
merging top-layer files to bottom-layer
removing merged top-layer files
re-evaluating layers

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# save2session
Waiting for RAM save task to finish...
find: ‘/aufs/pup_save/archive’: No such file or directory
Saving initial session multi-fd64save-2019-02-14T14-08+00-00-base.sfs... umount: /dev/sr0: not mounted.
failed.
Saving session to multi-fd64save-2019-02-14T14-08+00-00-save.sfs... umount: /dev/sr0: not mounted.
failed.
removing bottom-layer files which have been deleted from top-layer
removing bottom-layer whiteouts for newly added top-layer files
merging top-layer files to bottom-layer
removing merged top-layer files
re-evaluating layers

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save_multisession() {
	local shutdown_mode=""; # blank=no, non-blank yes
	[ "$1" = "shutdown" ] && shutdown_mode=yes
echo debug 1	
	# 0. Lock session
	[ -z $MULTI_MOUNT ] && return		# can only do this when we're in multisession mode	
	[ -z "$shutdown_mode" ] && [ -d $MULTI_SAVE_DIR ] && return	# existing save in progress, abort
	mkdir -p $MULTI_SAVE_DIR
echo debug 2		
	# 1. get savefile base name (savefilebase) and path (savepath)
	#    - path used for grafting (if there is none, graft at root directory)
	#    - basename used to construct complete savefilename based on $MULTI_PREFIX, timestamp and .sfs
	savefilebase="$SAVEFILE_PROTO" && [ "$SAVEFILE_PATH" ] && savefilebase=$SAVEFILE_PATH
	savepath="${savefilebase%/*}/" && [ "${savepath}" = "${savefilebase}/" ] && savepath=/
	savefilebase=${savefilebase##*/}; savefilebase=${MULTI_PREFIX}${savefilebase%.*} 
echo debug 3	
	# 2. build the savefile name (basename + timestamp + .sfs) 
	savefileproto=${savefilebase}
	timestamp=$(date -Iminutes | tr : -)
	savefile="$savefileproto-$timestamp-save.sfs"
	basefile="$savefileproto-$timestamp-base.sfs" # so that it is loaded first	
	archivepath="archive/$timestamp"
echo debug 4	
	# 3. save "archive" files first if archive is not empty, do it here to make room for mksquashfs
	if [ $(find "$SAVEFILE_MOUNT"/archive -maxdepth 0 -type d \! -empty) ]; then
		echo -n "Saving archives to $archivepath... "
		burn_to_device "$archivepath" "$savepath/$archivepath" "" "$SAVEFILE_MOUNT/archive/*"
		rm -rf "$SAVEFILE_MOUNT"/archive/*	# keep the original archive folder, we need it
	fi
echo debug 5		
	# 4. see if the disk is empty (no previous sessions), if yes, save old files as initial session
	if ! file_exist_on_multi_device "$savepath/$savefileproto*"; then
		echo -n "Saving initial session $basefile... "
		mksquashfs "$MULTI_MOUNT" "$MULTI_SAVE_DIR/$basefile" $MKSQUASHFS_OPTIONS > /dev/null &&
		burn_to_device "$savepath" "$savepath" "" "$MULTI_SAVE_DIR/$basefile"
		rm -f "$MULTI_SAVE_DIR/$basefile" # conserve RAM, delete after saving
	fi	
echo debug 6
	# 5. delete old base files to free up space for new ones - only during shutdown
	[ "$shutdown_mode" ] && find "$MULTI_MOUNT" -xdev \! \( -path "${MULTI_MOUNT}${AUFS_ROOT}*" -o -path "$MULTI_MOUNT" \) -delete 
	mkdir -p $MULTI_SAVE_DIR	# do this again here (aufs bug)		
echo debug 7	
	# 6. build the session file (mksquashfs)
	echo -n "Saving session to $savefile... "
	mksquashfs "$SAVEFILE_MOUNT" "$MULTI_SAVE_DIR/$savefile" $MKSQUASHFS_OPTIONS > /dev/null &&
	burn_to_device "$savepath" "$savepath" "$shutdown_mode" "$MULTI_SAVE_DIR/$savefile"
	rm -f "$MULTI_SAVE_DIR/$savefile" # conserve RAM, delete after saving
echo debug 8		
	# 6. merge down so that next time the same info is not saved again - only for non-shutdown event
	[ -z "$shutdown_mode" ] && fatdog-merge-layers.sh "$SAVEFILE_MOUNT" "$MULTI_MOUNT"
echo debug 9	
	# 7. unlock session and reclaim space
	rm -rf $MULTI_SAVE_DIR
}

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# save2session
Waiting for RAM save task to finish...
debug 1
debug 2
debug 3
debug 4
find: ‘/aufs/pup_save/archive’: No such file or directory
debug 5
mount: /tmp/shutdown-mnt-kdRU6b: WARNING: device write-protected, mounted read-only.
Saving initial session multi-fd64save-2019-02-15T12-33+00-00-base.sfs... umount: /dev/sr0: not mounted.
failed.
debug 6
debug 7
Saving session to multi-fd64save-2019-02-15T12-33+00-00-save.sfs... umount: /dev/sr0: not mounted.
failed.
debug 8
removing bottom-layer files which have been deleted from top-layer
removing bottom-layer whiteouts for newly added top-layer files
merging top-layer files to bottom-layer
removing merged top-layer files
re-evaluating layers
debug 9
# 

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debug 5
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
devtmpfs on /dev type devtmpfs (rw,relatime,size=855388k,nr_inodes=213847,mode=755)
tmpfs on /aufs/pup_init type tmpfs (ro,relatime,mode=755)
/kernel-modules.sfs (deleted) on /aufs/kernel-modules type squashfs (ro,relatime)
/dev/loop1 on /aufs/pup_ro type squashfs (ro,relatime)
tmpfs on /aufs/pup_multi type tmpfs (rw,relatime,mode=755,gid=500)
tmpfs on /aufs/pup_save type tmpfs (rw,relatime,mode=755,gid=500)
aufs on / type aufs (rw,relatime,si=8d441e2bb95db894)
devpts on /dev/pts type devpts (rw,relatime,gid=3,mode=620,ptmxmode=000)
tmpfs on /dev/shm type tmpfs (rw,relatime,mode=777)
tmpfs on /tmp type tmpfs (rw,relatime)
cgroup on /sys/fs/cgroup type cgroup (rw,relatime,cpuset,cpu,cpuacct,blkio,memory,devices,freezer,net_cls,perf_event,net_prio,pids)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
mount: /tmp/shutdown-mnt-BP1F4A: WARNING: device write-protected, mounted read-only.
Saving initial session multi-fd64save-2019-02-15T12-50+00-00-base.sfs... umount: /dev/sr0: not mounted.
failed.
debug 6
debug 7

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file_exist_on_multi_device() {
	local p tmpdir;
	tmpdir=$(mount_device /dev/$MULTI_DEVICE)
echo debug 5a $tmpdir
	if [ -z $tmpdir ]; then
		# attempt to initialise DVD if it's unformatted
		if  grep "drive name" /proc/sys/dev/cdrom/info | grep -q $MULTI_DEVICE; then
			echo -n "Found empty DVD - initialising ... "
			> /tmp/empty
			$GROWISOFS_INIT /tmp/empty >> /dev/initrd.err 2>&1 &&
			echo "done." || echo "failed."
		fi
		return 1 # empty drive - always fail
	else
		ls $tmpdir/$1 > /dev/null 2>&1; p=$?
		umount $tmpdir; rmdir $tmpdir
		return $p	
	fi
}

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debug 5a /tmp/shutdown-mnt-EsvJzT
Saving initial session multi-fd64save-2019-02-15T13-02+00-00-base.sfs... umount: /dev/sr0: not mounted.
failed.
debug 6
debug 7

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burn_to_device() {
	local save_ok=yes
	local GROWROOT="$1"
	local HDROOT="$2"
	local EJECT="$3"
	local SOURCES="$4"
	local tmpdir
	if grep "drive name" /proc/sys/dev/cdrom/info | grep -q $MULTI_DEVICE; then
echo debug if grep
		# cdrom - assume dvd, use growisofs
echo debug umounting /dev/$MULTI_DEVICE		
		umount /dev/$MULTI_DEVICE
echo debug GROWISOFS $GROWISOFS
echo debug SOURCES $SOURCES		
		! $GROWISOFS -root $GROWROOT $SOURCES >> /dev/initrd.err 2>&1 && save_ok=no		
		[ "$EJECT" ] && cdrom_id --eject-media /dev/$MULTI_DEVICE > /dev/null	# eject media when done		
	else

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debug if grep
debug umounting /dev/sr0
umount: /dev/sr0: not mounted.
debug GROWISOFS growisofs -M /dev/sr0 -iso-level 4 -D -R
debug SOURCES /tmp/save-multi/multi-fd64save-2019-02-15T13-21+00-00-base.sfs
failed.
type tmpfs (rw,relatime)
cgroup on /sys/fs/cgroup type cgroup (rw,relatime,cpuset,cpu,cpuacct,blkio,memory,devices,freezer,net_cls,perf_event,net_prio,pids)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
mount: /tmp/shutdown-mnt-BP1F4A: WARNING: device write-protected, mounted read-only.
Saving initial session multi-fd64save-2019-02-15T12-50+00-00-base.sfs... umount: /dev/sr0: not mounted.
failed.
debug 6
debug 7

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! $GROWISOFS -root $GROWROOT $SOURCES >> /dev/initrd.err 2>&1 && save_ok=no	

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growisofs -M /dev/sr0 -iso-level 4 -D -R / ./make-spot-more-secure >lst 2>&1

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#!/bin/sh
cd /home/spot
capsh --drop=cap_dac_override,cap_dac_read_search,cap_fsetid,
cap_kill,cap_setpcap,cap_linux_immutable,cap_net_bind_service,
cap_net_broadcast,cap_net_admin,cap_net_raw,cap_ipc_lock,
cap_ipc_owner,cap_sys_module,cap_sys_rawio,cap_sys_chroot,
cap_sys_ptrace,cap_sys_pacct,cap_sys_admin,cap_sys_boot,
cap_sys_nice,cap_sys_resource,cap_sys_time,cap_sys_tty_config,
cap_mknod,cap_lease,cap_audit_write,cap_audit_control,cap_setfcap,
cap_mac_override,cap_mac_admin,cap_syslog,cap_wake_alarm,
cap_block_suspend,cap_audit_read -- /usr/bin/seamonkey-spot

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growisofs -M /dev/sr0 -J -r somefile.txt