o.vodianov/infralab
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add vpn role

Browse Source
This commit is contained in:
oleg.vodyanov91@gmail.com 2025-05-25 00:47:39 +04:00
parent 0a685c6107
commit 96d50509bc
5 changed files with 195 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
ansible/roles/vpn/files/shadosocks Normal file
View File

@ -0,0 +1,9 @@
/var/log/ss-redir.log
{
daily
missingok
rotate 1
compress
notifempty
copytruncate
}

12
ansible/roles/vpn/files/shadowsocks.service Normal file
View File

@ -0,0 +1,12 @@
[Unit]
Description=Shadowsocks TProxy Setup
After=network.target
Wants=network.target
[Service]
Type=oneshot
ExecStart=/home/ovodianov/script.sh restart
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target

24
ansible/roles/vpn/tasks/main.yml Normal file
View File

@ -0,0 +1,24 @@
---
- name: install shadowsocks
apt:
name: "{{ item }}"
state: present
loop:
- shadowsocks-libev
- name: copy configs
copy:
src: "{{ item.src }}"
dest: "{{ item.dest }}"
owner: root
group: root
mode: "{{ item.mode }}"
loop:
- { src: 'shadowsocks.service', dest: '/etc/systemd/system/', mode: '0600' }
- { src: 'shadosocks', dest: '/etc/logrotate.d/', mode: '0644' }
- name: copy shadowsocks redirect script
template:
src: script.sh
dest: /root/
mode: '0600'

143
ansible/roles/vpn/templates/script.sh Normal file
View File

@ -0,0 +1,143 @@
#!/bin/bash
start_ssredir() {
# please modify MyIP, MyPort, etc.
(ss-redir -s {{ vpn_ip }} -p {{ vpn_port }} -m chacha20-ietf-poly1305 -k {{ vpn_passwd }} -b 127.0.0.1 -l {{ vpn_dst_port }} --no-delay -u -T -v </dev/null &>>/var/log/ss-redir.log &)
}
stop_ssredir() {
kill -9 $(pidof ss-redir) &>/dev/null
}
start_iptables() {
##################### SSREDIR #####################
iptables -t mangle -N SSREDIR
# connection-mark -> packet-mark
iptables -t mangle -A SSREDIR -j CONNMARK --restore-mark
iptables -t mangle -A SSREDIR -m mark --mark 0x2333 -j RETURN
# please modify MyIP, MyPort, etc.
# ignore traffic sent to ss-server
iptables -t mangle -A SSREDIR -p tcp -d {{ vpn_ip }} --dport {{ vpn_port }} -j RETURN
iptables -t mangle -A SSREDIR -p udp -d {{ vpn_ip }} --dport {{ vpn_port }} -j RETURN
# ignore traffic sent to reserved addresses
iptables -t mangle -A SSREDIR -d 0.0.0.0/8 -j RETURN
iptables -t mangle -A SSREDIR -d 10.0.0.0/8 -j RETURN
iptables -t mangle -A SSREDIR -d 100.64.0.0/10 -j RETURN
iptables -t mangle -A SSREDIR -d 127.0.0.0/8 -j RETURN
iptables -t mangle -A SSREDIR -d 169.254.0.0/16 -j RETURN
iptables -t mangle -A SSREDIR -d 172.16.0.0/12 -j RETURN
iptables -t mangle -A SSREDIR -d 192.0.0.0/24 -j RETURN
iptables -t mangle -A SSREDIR -d 192.0.2.0/24 -j RETURN
iptables -t mangle -A SSREDIR -d 192.88.99.0/24 -j RETURN
iptables -t mangle -A SSREDIR -d 192.168.0.0/16 -j RETURN
iptables -t mangle -A SSREDIR -d 198.18.0.0/15 -j RETURN
iptables -t mangle -A SSREDIR -d 198.51.100.0/24 -j RETURN
iptables -t mangle -A SSREDIR -d 203.0.113.0/24 -j RETURN
iptables -t mangle -A SSREDIR -d 224.0.0.0/4 -j RETURN
iptables -t mangle -A SSREDIR -d 240.0.0.0/4 -j RETURN
iptables -t mangle -A SSREDIR -d 255.255.255.255/32 -j RETURN
# mark the first packet of the connection
iptables -t mangle -A SSREDIR -p tcp --syn -j MARK --set-mark 0x2333
iptables -t mangle -A SSREDIR -p udp -m conntrack --ctstate NEW -j MARK --set-mark 0x2333
# packet-mark -> connection-mark
iptables -t mangle -A SSREDIR -j CONNMARK --save-mark
##################### OUTPUT #####################
# proxy the outgoing traffic from this machine
iptables -t mangle -A OUTPUT -p tcp -m addrtype --src-type LOCAL ! --dst-type LOCAL -j SSREDIR
iptables -t mangle -A OUTPUT -p udp -m addrtype --src-type LOCAL ! --dst-type LOCAL -j SSREDIR
##################### PREROUTING #####################
# proxy traffic passing through this machine (other->other)
iptables -t mangle -A PREROUTING -p tcp -m addrtype ! --src-type LOCAL ! --dst-type LOCAL -j SSREDIR
iptables -t mangle -A PREROUTING -p udp -m addrtype ! --src-type LOCAL ! --dst-type LOCAL -j SSREDIR
# hand over the marked package to TPROXY for processing
iptables -t mangle -A PREROUTING -p tcp -m mark --mark 0x2333 -j TPROXY --on-ip 127.0.0.1 --on-port 60080
iptables -t mangle -A PREROUTING -p udp -m mark --mark 0x2333 -j TPROXY --on-ip 127.0.0.1 --on-port 60080
}
stop_iptables() {
##################### PREROUTING #####################
iptables -t mangle -D PREROUTING -p tcp -m mark --mark 0x2333 -j TPROXY --on-ip 127.0.0.1 --on-port 60080 &>/dev/null
iptables -t mangle -D PREROUTING -p udp -m mark --mark 0x2333 -j TPROXY --on-ip 127.0.0.1 --on-port 60080 &>/dev/null
iptables -t mangle -D PREROUTING -p tcp -m addrtype ! --src-type LOCAL ! --dst-type LOCAL -j SSREDIR &>/dev/null
iptables -t mangle -D PREROUTING -p udp -m addrtype ! --src-type LOCAL ! --dst-type LOCAL -j SSREDIR &>/dev/null
##################### OUTPUT #####################
iptables -t mangle -D OUTPUT -p tcp -m addrtype --src-type LOCAL ! --dst-type LOCAL -j SSREDIR &>/dev/null
iptables -t mangle -D OUTPUT -p udp -m addrtype --src-type LOCAL ! --dst-type LOCAL -j SSREDIR &>/dev/null
##################### SSREDIR #####################
iptables -t mangle -F SSREDIR &>/dev/null
iptables -t mangle -X SSREDIR &>/dev/null
}
start_iproute2() {
ip route add local default dev lo table 100
ip rule add fwmark 0x2333 table 100
}
stop_iproute2() {
ip rule del table 100 &>/dev/null
ip route flush table 100 &>/dev/null
}
start_resolvconf() {
# or nameserver 8.8.8.8, etc.
echo "nameserver 8.8.8.8" >/etc/resolv.conf
}
stop_resolvconf() {
echo "nameserver 114.114.114.114" >/etc/resolv.conf
}
start() {
echo "start ..."
start_ssredir
start_iptables
start_iproute2
start_resolvconf
echo "start end"
}
stop() {
echo "stop ..."
stop_resolvconf
stop_iproute2
stop_iptables
stop_ssredir
echo "stop end"
}
restart() {
stop
sleep 1
start
}
main() {
if [ $# -eq 0 ]; then
echo "usage: $0 start|stop|restart ..."
return 1
fi
for funcname in "$@"; do
if [ "$(type -t $funcname)" != 'function' ]; then
echo "'$funcname' not a shell function"
return 1
fi
done
for funcname in "$@"; do
$funcname
done
return 0
}
main "$@"

7
ansible/vpn.yml Normal file
View File

@ -0,0 +1,7 @@
---
- hosts: vpn
become: true
vars_files:
- /Users/o.vodianov/Documents/home.lab.local/vars.yml
roles:
- vpn