tor-router/files/tor-router
2024-01-17 19:03:07 -05:00

83 lines
2.2 KiB
Bash
Executable file

#!/bin/bash
RULES="/var/tmp/tor-router.save"
# Tor's TransPort
TRANS_PORT="9040"
case "$1" in
start)
if test -f "$RULES"; then
echo "$RULES exists. Either delete it, or stop tor-router first."
exit 1
else
# Executable file to create rules for transparent proxy
# Destinations you do not want routed through Tor
NON_TOR="192.168.1.0/24 192.168.0.0/24 10.0.0.0/8"
# the UID Tor runs as, actually only support for Debian, ArchLinux and Fedora as been added.
if command -v pacman >/dev/null; then
TOR_UID=$(id -u tor)
elif command -v apt >/dev/null; then
TOR_UID=$(id -u debian-tor)
elif command -v dnf >/dev/null; then
TOR_UID=$(id -u toranon)
else
echo "Unknown distro, please create report the issue to https://github.com/edu4rdshl/tor-router/issues"
exit 1
fi
if ! command -v tor >/dev/null; then
echo "You need to install the tor package."
exit 1
elif ! systemctl is-active tor.service >/dev/null; then
echo "The tor service is not active, please start the tor service before running the script."
exit 1
elif ! command -v iptables >/dev/null; then
echo "You need to install the iptables package."
exit 1
else
# Only save the rules when we are sure that everything is working
iptables-save >$RULES
iptables -F
iptables -t nat -A OUTPUT -m owner --uid-owner "$TOR_UID" -j RETURN
iptables -t nat -A OUTPUT -p udp --dport 53 -j REDIRECT --to-ports 6669
for NET in $NON_TOR 127.0.0.0/9 127.128.0.0/10; do
iptables -t nat -A OUTPUT -d "$NET" -j RETURN
done
iptables -t nat -A OUTPUT -p tcp --syn -j REDIRECT --to-ports $TRANS_PORT
iptables -t nat -A OUTPUT -p udp -j REDIRECT --to-ports $TRANS_PORT
iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
for NET in $NON_TOR 127.0.0.0/8; do
iptables -A OUTPUT -d "$NET" -j ACCEPT
done
iptables -A OUTPUT -m owner --uid-owner "$TOR_UID" -j ACCEPT
fi
fi
;;
stop)
if test -f "$RULES"; then
echo "Restoring previous rules from $RULES"
iptables -F
iptables-restore <"$RULES"
rm "$RULES"
else
echo "$RULES does not exist. Not doing anything."
exit
fi
;;
restart)
stop
sleep 1
start
;;
*)
echo "Usage: $0 {start|stop|restart}"
;;
esac