small-packages/liep/luci-app-pptp-server/root/etc/init.d/luci-app-pptp-server
2026-05-13 01:55:45 +08:00

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#!/bin/sh /etc/rc.common
START=99
CONFIG="luci-app-pptp-server"
PPTP_PATH=/var/etc/pptpd
PPTP_CONFIG_FILE=${PPTP_PATH}/pptpd.conf
PPTP_OPTIONS_FILE=${PPTP_PATH}/options.pptpd
CHAP_SECRETS=/etc/ppp/chap-secrets
localip=$(uci -q get ${CONFIG}.@service[0].localip)
[ -z "${localip}" ] && localip="172.16.100.1"
ipt_flag="PPTP VPN Server"
get_enabled_anonymous_secs() {
uci -q show "${CONFIG}" | grep "${1}\[.*\.enabled='1'" | cut -d '.' -sf2
}
ipt_rule() {
if [ "$1" = "add" ]; then
iptables -t nat -I postrouting_rule -s ${localip%.*}.0/24 -m comment --comment "${ipt_flag}" -j MASQUERADE 2>/dev/null
iptables -I forwarding_rule -s ${localip%.*}.0/24 -m comment --comment "${ipt_flag}" -j ACCEPT 2>/dev/null
iptables -I input_rule -p tcp --dport 1723 -m comment --comment "${ipt_flag}" -j ACCEPT 2>/dev/null
iptables -t mangle -I OUTPUT -p tcp --sport 1723 -m comment --comment "${ipt_flag}" -j RETURN 2>/dev/null
else
ipt_del() {
for i in $(seq 1 $($1 -nL $2 | grep -c "${ipt_flag}")); do
local index=$($1 --line-number -nL $2 | grep "${ipt_flag}" | head -1 | awk '{print $1}')
$1 -w -D $2 $index 2>/dev/null
done
}
ipt_del "iptables" "forwarding_rule"
ipt_del "iptables" "input_rule"
ipt_del "iptables -t nat" "postrouting_rule"
ipt_del "iptables -t mangle" "OUTPUT"
fi
}
gen_include() {
echo '#!/bin/sh' > /var/etc/${CONFIG}.include
extract_rules() {
echo "*$1"
iptables-save -t $1 | grep "${ipt_flag}" | \
sed -e "s/^-A \(INPUT\)/-I \1 1/"
echo 'COMMIT'
}
cat <<-EOF >> /var/etc/${CONFIG}.include
iptables-save -c | grep -v "${ipt_flag}" | iptables-restore -c
iptables-restore -n <<-EOT
$(extract_rules filter)
$(extract_rules nat)
EOT
EOF
return 0
}
start() {
local enabled=$(uci -q get ${CONFIG}.@service[0].enabled)
[ "${enabled}" -eq 1 ] || return 1
touch ${CHAP_SECRETS}
mkdir -p ${PPTP_PATH}
cp /etc/ppp/options.pptpd ${PPTP_OPTIONS_FILE}
sed -i '/mppe/d' ${PPTP_OPTIONS_FILE} 2>/dev/null
sed -i '/ms-dns/d' ${PPTP_OPTIONS_FILE} 2>/dev/null
sed -i '/name/d' ${PPTP_OPTIONS_FILE} 2>/dev/null
echo "name pptp-server">> ${PPTP_OPTIONS_FILE}
local mppe=$(uci -q get ${CONFIG}.@service[0].mppe)
[ -n "${mppe}" ] && [ "${mppe}" -eq 1 ] && echo "mppe required,no40,no56,stateless" >> ${PPTP_OPTIONS_FILE}
echo "ms-dns ${localip}">> ${PPTP_OPTIONS_FILE}
cp /etc/pptpd.conf ${PPTP_CONFIG_FILE}
sed -i '/localip/d' ${PPTP_CONFIG_FILE} 2>/dev/null
sed -i '/remoteip/d' ${PPTP_CONFIG_FILE} 2>/dev/null
sed -i '/option/d' ${PPTP_CONFIG_FILE} 2>/dev/null
sed -i '/name/d' ${PPTP_CONFIG_FILE} 2>/dev/null
echo "name pptp-server">> ${PPTP_CONFIG_FILE}
local remoteip=$(uci -q get ${CONFIG}.@service[0].remoteip)
[ -z "${remoteip}" ] && remoteip="172.16.100.10-20"
echo "localip ${localip}" >> ${PPTP_CONFIG_FILE}
echo "remoteip ${remoteip}" >> ${PPTP_CONFIG_FILE}
echo "option ${PPTP_OPTIONS_FILE}" >> ${PPTP_CONFIG_FILE}
local _users=$(get_enabled_anonymous_secs "@users")
[ -n "${_users}" ] && {
for _user in ${_users}; do
local u_enabled=$(uci -q get ${CONFIG}.${_user}.enabled)
[ "${u_enabled}" -eq 1 ] || continue
local u_username=$(uci -q get ${CONFIG}.${_user}.username)
[ -n "${u_username}" ] || continue
local u_password=$(uci -q get ${CONFIG}.${_user}.password)
[ -n "${u_password}" ] || continue
local u_ipaddress=$(uci -q get ${CONFIG}.${_user}.ipaddress)
[ -n "${u_ipaddress}" ] || u_ipaddress="*"
echo "${u_username} pptp-server ${u_password} ${u_ipaddress}" >> ${CHAP_SECRETS}
done
}
echo "ip-up-script /usr/share/pptpd/ip-up" >> ${PPTP_OPTIONS_FILE}
echo "ip-down-script /usr/share/pptpd/ip-down" >> ${PPTP_OPTIONS_FILE}
for m in arc4 sha1_generic slhc crc-ccitt ppp_generic ppp_async ppp_mppe; do
insmod ${m} >/dev/null 2>&1
done
/usr/sbin/pptpd -c ${PPTP_CONFIG_FILE}
ipt_rule add
gen_include
}
stop() {
sed -i '/pptp-server/d' ${CHAP_SECRETS} 2>/dev/null
top -bn1 | grep "${PPTP_PATH}" | grep -v "grep" | awk '{print $1}' | xargs kill -9 >/dev/null 2>&1
ipt_rule del
rm -rf /var/etc/${CONFIG}.include
rm -rf ${PPTP_PATH}
}