commit 5352f085a4cbf80cc16b62ce32534b35d14414db
Author: Peter Šurda <peter@bitmessage.at>
Date:   Wed Apr 6 11:51:24 2022 +0800

    Initial commit

diff --git a/ISRG_Root_X1.crt b/ISRG_Root_X1.crt
new file mode 100644
index 0000000..b85c803
--- /dev/null
+++ b/ISRG_Root_X1.crt
@@ -0,0 +1,31 @@
+-----BEGIN CERTIFICATE-----
+MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw
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+mRGunUHBcnWEvgJBQl9nJEiU0Zsnvgc/ubhPgXRR4Xq37Z0j4r7g1SgEEzwxA57d
+emyPxgcYxn/eR44/KJ4EBs+lVDR3veyJm+kXQ99b21/+jh5Xos1AnX5iItreGCc=
+-----END CERTIFICATE-----
diff --git a/SHA-2_Root_USERTrust_RSA_Certification_Authority.crt b/SHA-2_Root_USERTrust_RSA_Certification_Authority.crt
new file mode 100644
index 0000000..e69de29
diff --git a/backupfs.sh b/backupfs.sh
new file mode 100755
index 0000000..0438b4f
--- /dev/null
+++ b/backupfs.sh
@@ -0,0 +1,203 @@
+#!/bin/bash
+
+# Load config 
+
+if [ ! -f /etc/default/backupfs ]; then
+	echo "/etc/default/backupfs missing"
+	exit 1
+fi
+
+. /etc/default/backupfs
+
+declare -A dumptool
+dumptool[ext2]=dump
+dumptool[ext3]=dump
+dumptool[ext4]=dump
+dumptool[btrfs]=btrfs
+
+adjustpath ()
+{
+		havesbin=1
+		haveusrsbin=1
+		for i in `echo $PATH|tr : " "`;do
+				[ "$i" == "/sbin" ] && havesbin=0
+				[ "$i" == "/usr/sbin" ] && haveusrsbin=0
+		done
+		[ $havesbin -eq 0 ] || export PATH="/sbin:$PATH"
+		[ $haveusrsbin -eq 0 ] || export PATH="/usr/sbin:$PATH"
+}
+
+checkdeps ()
+{
+	which curl > /dev/null
+	if [ $? -ne 0 ]; then
+		echo "curl missing, existing"
+		exit 1
+	fi
+	which gpg > /dev/null
+	if [ $? -ne 0 ]; then
+		echo "gpg missing, existing"
+		exit 1
+	fi
+	for fs in "${!dumptool[@]}"; do
+		if [ -n "`mount -t $fs`" ]; then
+			which ${dumptool[$fs]} > /dev/null
+			if [ $? -ne 0 ]; then
+				echo "You have a $fs filesystem but ${dumptool[$fs]} is missing"
+				exit 1
+			fi
+		fi
+	done
+}
+
+checkval ()
+{
+	if [ -z "$url" ]; then
+		echo "No target url specified, exiting"
+		exit 1
+	fi
+	if [ -z "$encryptto" ]; then
+		echo "No encrypt to specified, exiting"
+		exit 1
+	fi
+	gpg --list-key "$encryptto" > /dev/null
+	if [ $? -ne 0 ]; then
+		gpg --recv-keys "$encryptto"
+		gpg --list-key "$encryptto" > /dev/null
+		if [ $? -ne 0 ]; then
+			echo "PGP key missing"
+			exit 1
+		fi
+	fi
+}
+
+lock ()
+{
+	PID=`cat ~/.backuplock 2> /dev/null`
+	if [ -n "$PID" ]; then
+		if [ -d "/proc/$PID" ]; then
+			if [ "`readlink /proc/$PID/exe`" == "/bin/bash" ]; then
+				echo "Locked, exiting"
+				exit 1
+			fi
+		fi
+	fi
+	echo -n $$ > ~/.backuplock
+}
+
+fsdetect ()
+{
+  local mountpoint=${1}
+	local device="`mount |grep " on $mountpoint "|cut -d\  -f1`"
+	fstype=`/sbin/blkid -o value -s TYPE ${device}`
+}
+
+mptobname ()
+{
+	# mountpoint
+	bname="`echo ${1}|tr / _`"
+}
+
+mptofname ()
+{
+	# mountpoint, level, extension
+	hn=`hostname`
+	fname="`echo ${hn}-${date}-${1}-${2}.${3}|tr / _`"
+}
+
+checkbtrfs ()
+{
+	true
+}
+
+docurl ()
+{
+  local source="${1}"
+  local destination="${2}"
+	curl --no-buffer --data-binary @"${source}" -XPUT $url/"${destination}"
+}
+
+dumpbtrfs ()
+{
+	mountpoint=${1}
+	checkbtrfs
+	mptobname ${mountpoint} ${level}
+	# TODO del if exists
+	btrfs subvolume snapshot -r ${mountpoint} /snapshot/current
+	btrfs subvolume snapshot -r /snapshot/current /snapshot/$bname-$level
+	btrfs subvolume delete /snapshot/current
+
+	fname="${hostname}-${date}-${bname}-${level}.snap.gpg"
+  if [ $level -eq 0 ]; then
+		#btrfs send /snapshots/$bname-$level | xz -6e -T0|gpg --encrypt -r dev@mailchuck.com " | docurl "${fname}"
+		true
+	else
+		plevel=$(($level - 1))
+		#btrfs send -p /snapshots/$bname-$plevel /snapshots/$bname-$level | xz -6e -T0|gpg --encrypt -r $encryptto | docurl "${fname}"
+		true
+	fi
+}
+
+dumpextfs ()
+{
+	mountpoint=${1}
+	mptobname ${mountpoint} ${level}
+	fname="${hostname}-${date}-${bname}-${level}.dump.gpg"
+	tmp_file="$(mktemp)"
+	echo "dumping $mountpoint into $fname (temp $tmp_file)"
+	dump -${level}uj -h 0 ${mountpoint} -f -|gpg --encrypt -r $encryptto > "${tmp_file}"
+  docurl "${tmp_file}" "${fname}"
+	rm -f "${tmp_file}"
+}
+
+dodump ()
+{
+	for fs in "${!dumptool[@]}"; do
+		for mpt in `mount -t $fs|cut -d\  -f3`; do
+			if [ -z "$mpt" ]; then
+				continue
+			fi
+			echo "Dumping $mpt as $fs"
+			if [ "$fs" == "btrfs" ]; then
+				dumpbtrfs $mpt $level
+			elif [ "$fs" == "ext2" -o "$fs" == "ext3" -o "$fs" == "ext4" ]; then
+				dumpextfs $mpt $level
+			fi
+		done
+	done
+}
+
+adjustpath
+checkdeps
+checkval
+umask 077
+renice 19 $$ &> /dev/null
+ionice -c 3 -p $$
+lock
+
+#date=`date +%y-%m-%d`
+hostname=`hostname|cut -d. -f1`
+dom=`date +%d`
+dow=`date +%w`
+date=`date +%y%m%d`
+level=$(($dow+1))
+if [ $dow -eq 0 ];then # sunday
+	if [ $dom -le 7 ];then # first sunday in month
+		level=0
+	else
+		level=1
+	fi
+fi
+if [ "$1" == "0" -o "$1" == "1" -o "$1" == "2" ]
+then
+	level="$1"
+fi
+
+dodump
+
+rm ~/.backuplock
+
+echo "All OK"
+exit 0
+
+# vim: tabstop=2