Files
docker-tor-proxy/entrypoint.sh
T
2021-09-05 16:22:00 +02:00

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#!/bin/sh
set -e
if [ "$(id -u)" -eq 0 ]; then
nft add chain ip nat PREROUTING { type nat hook prerouting priority dstnat \; } || true
nft add rule ip nat PREROUTING ip protocol tcp fib daddr type != local counter redirect to :9040 \
|| echo 'warning: failed to configure nftables for transparent proxy (missing CAP_NET_ADMIN?)'
nft add rule ip nat PREROUTING fib daddr type local udp dport 53 counter redirect to :9053 \
|| echo 'warning: failed to configure nftables for DNS proxy' \
'(alternative for less flexible `docker run --publish 53:9053 ...`)'
exec su -s /bin/sh tor -- "$0" "$@"
fi
# default: 120 sec
# https://github.com/torproject/tor/blob/tor-0.4.1.7/src/core/or/connection_edge.c#L1099
if [ -z "$SOCKS_TIMEOUT_SECONDS" ]; then
sed -e '/{socks_timeout_seconds}/d' /torrc.template > /tmp/torrc
else
sed -e "s/{socks_timeout_seconds}/$SOCKS_TIMEOUT_SECONDS/" /torrc.template > /tmp/torrc
fi
if [ -z "$EXIT_NODES" ]; then
sed --in-place -e '/{exit_nodes}/d' /tmp/torrc
else
sed --in-place -e "s#{exit_nodes}#$EXIT_NODES#" /tmp/torrc
fi
if [ -z "$EXCLUDE_EXIT_NODES" ]; then
sed --in-place -e '/{exclude_exit_nodes}/d' /tmp/torrc
else
sed --in-place -e "s#{exclude_exit_nodes}#$EXCLUDE_EXIT_NODES#" /tmp/torrc
fi
exec "$@"