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Signed-off-by: Georg <georg@lysergic.dev>
This commit is contained in:
Georg Pfuetzenreuter 2021-12-07 00:50:59 +01:00
parent b30db307d2
commit 53bd1dc536
1 changed files with 15 additions and 6 deletions
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21
scripts/sh/pf.sh
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@ -4,8 +4,8 @@
# #
# Author: Georg Pfuetzenreuter <georg@lysergic.dev> # Author: Georg Pfuetzenreuter <georg@lysergic.dev>
# Created: 02/11/2021 # Created: 02/11/2021
# Last edit: 05/12/2021 # Last edit: 07/12/2021
# Version: 2.0 # Version: 2.1
# #
# This assumes .ssh/config being configured to ssh into your router with a user having write access to /tmp/* and $prodfile as well as having doas permissions for `pfctl -f $prodfile`. # This assumes .ssh/config being configured to ssh into your router with a user having write access to /tmp/* and $prodfile as well as having doas permissions for `pfctl -f $prodfile`.
@ -21,7 +21,7 @@ gethostaddress () {
} }
init () { init () {
#hostaddress=$(gethostaddress) ##we no longer parse ssh_config and rely on functioning DNS lookups #hostaddress=$(gethostaddress)
hostaddress="$host" hostaddress="$host"
if nc -z $hostaddress 22 2>/dev/null; then if nc -z $hostaddress 22 2>/dev/null; then
workfile="/tmp/pf.conf.$host-$USER-$(date -u +%d%m%y-%H%M)" workfile="/tmp/pf.conf.$host-$USER-$(date -u +%d%m%y-%H%M)"
@ -48,7 +48,8 @@ edit () {
} }
check () { check () {
echo "$stagefile" #echo "$stagefile"
render_diff
ssh -q $host pfctl -nf $stagefile ssh -q $host pfctl -nf $stagefile
result="$?" result="$?"
case $result in case $result in
@ -65,12 +66,18 @@ render_diff () {
$difftool "${diffargs[@]}" $localbackupfile $workfile $difftool "${diffargs[@]}" $localbackupfile $workfile
} }
send_report () {
maildiff=$(diff -u --color=never $localbackupfile $workfile)
echo -e "$USER deployed packet filter changes on $host at $(date):\n\n$maildiff" | mail -s "pf changes on $host by $USER" system@lysergic.dev
}
edit_ok () { edit_ok () {
render_diff echo "Syntax OK. Type YES to deploy changes, edit to edit, or anything else to abort."
echo "Syntax OK. Type YES to deploy changes or anything else to abort."
read choice read choice
if [ "$choice" = "YES" ]; then if [ "$choice" = "YES" ]; then
deploy deploy
elif [ "$choice" = "edit" ]; then
edit
else else
#rollback #rollback
abort abort
@ -117,6 +124,7 @@ deploy () {
result="$?" result="$?"
case $result in case $result in
0 ) 0 )
send_report
ssh -q $host "doas pfctl -f $prodfile && rm $stagefile" ssh -q $host "doas pfctl -f $prodfile && rm $stagefile"
echo "OK." echo "OK."
rm $workfile rm $workfile
@ -138,3 +146,4 @@ else
host="$1" host="$1"
init init
fi fi