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garywill
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garywill
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garywill
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garywill
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106
README.md
106
README.md
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@ -1,10 +1,10 @@
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# Linux-router
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Set Linux as router in one command. Able to Provide Internet, or create Wifi hotspot. Support transparent proxy (redsocks). Also useful for routing VM/containers.
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Set Linux as router in one command. Able to provide Internet, or create WiFi hotspot. Support transparent proxy (redsocks). Also useful for routing VM/containers.
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It wraps `iptables`, `dnsmasq` etc. stuff. Use in one command, restore in one command or by `control-c` (or even by closing terminal window).
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[More tools and projects](https://garywill.github.io) | [🍻 Buy me a coffee ❤️](https://github.com/garywill/receiving/blob/master/receiving_methods.md)
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[More tools and projects 🛠️](https://garywill.github.io) | [🍻 Buy me a coffee ❤️](https://github.com/garywill/receiving/blob/master/receiving_methods.md)
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## Features
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@ -12,16 +12,19 @@ Basic features:
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- Create a NATed sub-network
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- Provide Internet
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- DHCP server and RA
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- DNS server
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- DHCP server (and RA)
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- Specify what DNS the DHCP server assigns to clients
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- DNS server
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- Specify upstream DNS (kind of a plain DNS proxy)
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- IPv6 (behind NATed LAN, like IPv4)
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- Creating Wifi hotspot:
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- Creating WiFi hotspot:
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- Channel selecting
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- Choose encryptions: WPA2/WPA, WPA2, WPA, No encryption
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- Create AP on the same interface you are getting Internet (require same channel)
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- Create AP on the same interface you are getting Internet (usually require same channel)
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- Transparent proxy (redsocks)
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- DNS proxy
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- Transparent DNS proxy (hijack port 53 packets)
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- Compatible with NetworkManager (automatically set interface as unmanaged)
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- You can run many instances, to create many different networks. Has instances managing feature.
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**For many other features, see below [CLI usage](#cli-usage-and-other-features)**
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@ -35,7 +38,7 @@ Internet----(eth0/wlan0)-Linux-(wlanX)AP
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```
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Internet
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Wifi AP(no DHCP) |
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WiFi AP(no DHCP) |
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|----(wlan1)-Linux-(eth0/wlan0)------
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| (DHCP)
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|--client
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@ -62,21 +65,19 @@ Internet----(eth0/wlan0)-Linux-(virtual interface)-----VM/container
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### Provide Internet to an interface
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No matter which interface (other than `eth1`) you're getting Internet from
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```
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sudo lnxrouter -i eth1
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```
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### Create Wifi hotspot
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no matter which interface (other than `eth1`) you're getting Internet from.
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No matter which interface you're getting Internet from (even from `wlan0`)
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### Create WiFi hotspot
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```
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sudo lnxrouter --ap wlan0 MyAccessPoint -p MyPassPhrase
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```
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It will create virtual Interface `x0wlan0` for hotspot.
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no matter which interface you're getting Internet from (even from `wlan0`). Will create virtual Interface `x0wlan0` for hotspot.
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### Provide an interface's Internet to another interface
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@ -88,10 +89,10 @@ Clients access Internet through only `isp5`
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sudo lnxrouter -i eth1 -o isp5 --no-dns --dhcp-dns 1.1.1.1 -6 --dhcp-dns6 [2606:4700:4700::1111]
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```
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It's recommended to:
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1. Stop serving local DNS to clients on our Linux host
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2. Tell clients which DNS to use (ISP5's DNS. Or, a safe public DNS, like above example)
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> In this case of usage, it's recommended to:
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>
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> 1. Stop serving local DNS
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> 2. Tell clients which DNS to use (ISP5's DNS. Or, a safe public DNS, like above example)
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> Also, read *Notice 1*
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@ -254,9 +255,13 @@ sudo brctl addbr firejail5
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```
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sudo lnxrouter -i firejail5 -g 192.168.55.1 --tp 9040 --dns 9053
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firejail --net=firejail5 --dns=192.168.55.1 --blacklist=/var/run/nscd # nscd is cache service, which shouldn't be accessed in jail here
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firejail --net=firejail5 --dns=192.168.55.1 --blacklist=/var/run/nscd
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```
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Firejail's `/etc/resolv.conf` doesn't obtain DNS from DHCP, so we need to assign.
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nscd is domain name cache service, which shouldn't be accessed from in jail here.
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</details>
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### CLI usage and other features
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@ -272,23 +277,24 @@ Options:
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-i <interface> Interface to make NATed sub-network,
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and to provide Internet to
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(To create Wifi hotspot use '--ap' instead)
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(To create WiFi hotspot use '--ap' instead)
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-o <interface> Specify an inteface to provide Internet from.
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(See Notice 1)
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(Note using this with default DNS option may leak
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queries to other interfaces)
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-n Do not provide Internet (See Notice 1)
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--ban-priv Disallow clients to access my private network
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-g <ip> This host's IPv4 address in subnet (mask is /24)
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(example: '192.168.5.1' or '5' shortly)
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-6 Enable IPv6 (NAT)
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--no4 Disable IPv4 Internet (not forwarding IPv4)
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(See Notice 1). Usually used with '-6'
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--p6 <prefix> Set IPv6 LAN address prefix (length 64)
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(example: 'fd00:0:0:5::' or '5' shortly)
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Using this enables '-6'
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--dns <ip>|<port>|<ip:port>
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DNS server's upstream DNS.
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Use ',' to seperate multiple servers
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@ -298,35 +304,34 @@ Options:
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--no-dnsmasq Disable dnsmasq server (DHCP, DNS, RA)
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--catch-dns Transparent DNS proxy, redirect packets(TCP/UDP)
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whose destination port is 53 to this host
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--log-dns Show DNS query log
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--log-dns Show DNS query log (dnsmasq)
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--dhcp-dns <IP1[,IP2]>|no
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Set IPv4 DNS offered by DHCP (default: this host).
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This will enable '--no-dns' (Do not serve DNS)
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--dhcp-dns6 <IP1[,IP2]>|no
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Set IPv6 DNS offered by DHCP (RA)
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(default: this host)
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(Note IPv6 addresses need '[]' around)
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This will enable '--no-dns' (Do not serve DNS)
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Using both above two will enable '--no-dns'
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--hostname <name> DNS server associate this name with this host.
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Use '-' to read name from /etc/hostname
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-d DNS server will take into account /etc/hosts
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-e <hosts_file> DNS server will take into account additional
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hosts file
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--mac <MAC> Set MAC address
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--random-mac Use random MAC address
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--tp <port> Transparent proxy,
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redirect non-LAN TCP and UDP traffic to port.
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(usually used with '--dns')
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Wifi hotspot options:
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WiFi hotspot options:
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--ap <wifi interface> <SSID>
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Create Wifi access point
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Create WiFi access point
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-p, --password <password>
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Wifi password
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--qr Show Wifi QR code in terminal
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WiFi password
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--qr Show WiFi QR code in terminal
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--hidden Hide access point (not broadcast SSID)
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--no-virt Do not create virtual interface
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Using this you can't use same wlan interface
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@ -340,17 +345,17 @@ Options:
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(default: 2)
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--psk Use 64 hex digits pre-shared-key instead of
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passphrase
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--mac-filter Enable Wifi hotspot MAC address filtering
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--mac-filter-accept Location of Wifi hotspot MAC address filter list
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--mac-filter Enable WiFi hotspot MAC address filtering
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--mac-filter-accept Location of WiFi hotspot MAC address filter list
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(defaults to /etc/hostapd/hostapd.accept)
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--hostapd-debug <level> 1 or 2. Passes -d or -dd to hostapd
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--isolate-clients Disable wifi communication between clients
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--ieee80211n Enable IEEE 802.11n (HT)
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--ieee80211ac Enable IEEE 802.11ac (VHT)
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--ht_capab <HT> HT capabilities (default: [HT40+])
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--vht_capab <VHT> VHT capabilities
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--no-haveged Do not run haveged automatically when needed
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Instance managing:
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@ -366,7 +371,7 @@ Options:
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```
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</details>
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## Notice
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<details>
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||||
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@ -374,9 +379,9 @@ Options:
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```
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||||
Notice 1: This script assume your host's default policy won't forward
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packets, so the script won't explictly ban forwarding in any
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mode. In some unexpected case may cause unwanted packets
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leakage between 2 networks, which you should be aware of if you
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||||
want isolated network
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||||
mode. In some unexpected case (eg. mistaken configurations) may
|
||||
cause unwanted packets leakage between 2 networks, which you
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||||
should be aware of if you want isolated network
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||||
```
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||||
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</details>
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@ -390,7 +395,7 @@ On exit of a linux-router instance, script **will do cleanup**, i.e. undo most c
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3. hostapd (if used) in Apparmor complain mode
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4. Kernel module `nf_nat_pptp` loaded
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5. The wifi device which is used to create hotspot is `rfkill unblock`ed
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6. Wifi country code, if user specified
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6. WiFi country code, if user assigns
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## Dependencies
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||||
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||||
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@ -400,16 +405,17 @@ On exit of a linux-router instance, script **will do cleanup**, i.e. undo most c
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- dnsmasq
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- iptables (or nftables with `iptables-nft` translation linked)
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- WiFi hotspot dependencies
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- hostapd
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- iw
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- iwconfig (you only need this if 'iw' can not recognize your adapter)
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- haveged (optional)
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- qrencode (optional)
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- hostapd
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- iw
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- iwconfig (you only need this if 'iw' can not recognize your adapter)
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- haveged (optional)
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- qrencode (optional)
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||||
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## TODO
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||||
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<details>
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||||
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- Compatibility with firewalld
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- WPA3
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- Global IPv6
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- Explictly ban forwarding if not needed
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@ -478,12 +484,12 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|||
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||||
## Meet developer(s) and become one of them
|
||||
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||||
Visit [**my homepage**](https://garywill.github.io) to see **more tools and projects**.
|
||||
Visit [**my homepage** 🏡](https://garywill.github.io) to see **more tools and projects** 🛠️.
|
||||
|
||||
> [Buy me a coffee](https://github.com/garywill/receiving/blob/master/receiving_methods.md) , this project took me lots of time! ([打赏一个!](https://github.com/garywill/receiving/blob/master/receiving_methods.md))
|
||||
> [❤️ Buy me a coffee](https://github.com/garywill/receiving/blob/master/receiving_methods.md) , this project took me lots of time! ([❤️ 扫个码打赏一个!](https://github.com/garywill/receiving/blob/master/receiving_methods.md))
|
||||
>
|
||||
> 🥂 ( ^\_^) o自自o (^_^ ) 🍻
|
||||
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🤝 Bisides, thank [create_ap](https://github.com/oblique/create_ap) by [oblique](https://github.com/oblique). This script was forked from create\_ap. Now they are quite different. (See `history` branch for how I modified create_ap). 🤝 Also thank those who contributed to that project.
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||||
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🤝 You can be contributor, too! There're some TO-DOs listed, at both above and in the code file. Your name can be here!
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||||
👨💻 You can be contributor, too! 🍃 There're some TO-DOs listed, at both [above](#todo) and [in the code file](https://github.com/garywill/linux-router/search?q=TODO&type=code). 🍃 Also some [unfulfilled enhancements in the Issues](https://github.com/garywill/linux-router/issues?q=is%3Aissue+is%3Aopen+label%3Aenhancement). Your name can be here!
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|
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429
lnxrouter
429
lnxrouter
|
|
@ -1,6 +1,6 @@
|
|||
#!/bin/bash
|
||||
|
||||
VERSION=0.6.3
|
||||
VERSION=0.6.6
|
||||
PROGNAME="$(basename $0)"
|
||||
|
||||
export LC_ALL=C
|
||||
|
|
@ -11,10 +11,13 @@ umask $SCRIPT_UMASK
|
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phead() {
|
||||
echo "linux-router $VERSION (https://github.com/garywill/linux-router)"
|
||||
}
|
||||
phead2() {
|
||||
echo "Released under LGPL, with no warranty. Use on your own risk."
|
||||
}
|
||||
usage() {
|
||||
phead
|
||||
phead2
|
||||
cat << EOF
|
||||
Released under LGPL, with no warranty. Use on your own risk.
|
||||
|
||||
Usage: $PROGNAME <options>
|
||||
|
||||
|
|
@ -24,8 +27,9 @@ Options:
|
|||
|
||||
-i <interface> Interface to make NATed sub-network,
|
||||
and to provide Internet to
|
||||
(To create Wifi hotspot use '--ap' instead)
|
||||
(To create WiFi hotspot use '--ap' instead)
|
||||
-o <interface> Specify an inteface to provide Internet from.
|
||||
(See Notice 1)
|
||||
(Note using this with default DNS option may leak
|
||||
queries to other interfaces)
|
||||
-n Do not provide Internet (See Notice 1)
|
||||
|
|
@ -50,15 +54,14 @@ Options:
|
|||
--no-dnsmasq Disable dnsmasq server (DHCP, DNS, RA)
|
||||
--catch-dns Transparent DNS proxy, redirect packets(TCP/UDP)
|
||||
whose destination port is 53 to this host
|
||||
--log-dns Show DNS query log
|
||||
--log-dns Show DNS query log (dnsmasq)
|
||||
--dhcp-dns <IP1[,IP2]>|no
|
||||
Set IPv4 DNS offered by DHCP (default: this host).
|
||||
This will enable '--no-dns' (Do not serve DNS)
|
||||
--dhcp-dns6 <IP1[,IP2]>|no
|
||||
Set IPv6 DNS offered by DHCP (RA)
|
||||
(default: this host)
|
||||
(Note IPv6 addresses need '[]' around)
|
||||
This will enable '--no-dns' (Do not serve DNS)
|
||||
Using both above two will enable '--no-dns'
|
||||
--hostname <name> DNS server associate this name with this host.
|
||||
Use '-' to read name from /etc/hostname
|
||||
-d DNS server will take into account /etc/hosts
|
||||
|
|
@ -72,12 +75,12 @@ Options:
|
|||
redirect non-LAN TCP and UDP traffic to port.
|
||||
(usually used with '--dns')
|
||||
|
||||
Wifi hotspot options:
|
||||
WiFi hotspot options:
|
||||
--ap <wifi interface> <SSID>
|
||||
Create Wifi access point
|
||||
Create WiFi access point
|
||||
-p, --password <password>
|
||||
Wifi password
|
||||
--qr Show Wifi QR code in terminal
|
||||
WiFi password
|
||||
--qr Show WiFi QR code in terminal
|
||||
|
||||
--hidden Hide access point (not broadcast SSID)
|
||||
--no-virt Do not create virtual interface
|
||||
|
|
@ -92,8 +95,8 @@ Options:
|
|||
(default: 2)
|
||||
--psk Use 64 hex digits pre-shared-key instead of
|
||||
passphrase
|
||||
--mac-filter Enable Wifi hotspot MAC address filtering
|
||||
--mac-filter-accept Location of Wifi hotspot MAC address filter list
|
||||
--mac-filter Enable WiFi hotspot MAC address filtering
|
||||
--mac-filter-accept Location of WiFi hotspot MAC address filter list
|
||||
(defaults to /etc/hostapd/hostapd.accept)
|
||||
--hostapd-debug <level> 1 or 2. Passes -d or -dd to hostapd
|
||||
--isolate-clients Disable wifi communication between clients
|
||||
|
|
@ -118,13 +121,12 @@ Options:
|
|||
|
||||
Notice 1: This script assume your host's default policy won't forward
|
||||
packets, so the script won't explictly ban forwarding in any
|
||||
mode. In some unexpected case may cause unwanted packets
|
||||
leakage between 2 networks, which you should be aware of if you
|
||||
want isolated network
|
||||
mode. In some unexpected case (eg. mistaken configurations) may
|
||||
cause unwanted packets leakage between 2 networks, which you
|
||||
should be aware of if you want isolated network
|
||||
|
||||
Examples:
|
||||
$PROGNAME -i eth1
|
||||
$PROGNAME --ap wlan0 MyAccessPoint
|
||||
$PROGNAME --ap wlan0 MyAccessPoint -p MyPassPhrase
|
||||
$PROGNAME -i eth1 --tp <transparent-proxy> --dns <dns-proxy>
|
||||
EOF
|
||||
|
|
@ -229,16 +231,10 @@ parse_user_options(){
|
|||
shift
|
||||
INTERNET_IFACE="$1"
|
||||
shift
|
||||
echo ""
|
||||
echo "WARN: Since you're using in this mode, make sure you've read Notice 1" >&2
|
||||
echo ""
|
||||
;;
|
||||
-n)
|
||||
shift
|
||||
SHARE_METHOD=none
|
||||
echo ""
|
||||
echo "WARN: Since you're using in this mode, make sure you've read Notice 1" >&2
|
||||
echo ""
|
||||
;;
|
||||
--ban-priv)
|
||||
shift
|
||||
|
|
@ -264,9 +260,6 @@ parse_user_options(){
|
|||
--no4)
|
||||
shift
|
||||
NO4=1
|
||||
echo ""
|
||||
echo "WARN: Since you're using in this mode, make sure you've read Notice 1" >&2
|
||||
echo ""
|
||||
;;
|
||||
--p6)
|
||||
shift
|
||||
|
|
@ -821,30 +814,90 @@ check_iptables()
|
|||
iptables --version
|
||||
|
||||
if which firewall-cmd > /dev/null 2>&1; then
|
||||
if [[ "$(firewall-cmd --state)" == "running" ]]; then
|
||||
if [[ "$(firewall-cmd --state 2>&1)" == "running" ]]; then
|
||||
echo "firewalld is running ($(firewall-cmd --version))"
|
||||
echo -e "\nWARN: We haven't completed the compatibility with firewalld.\nWARN: If you see any trouble, try:\nWARN: 1) 'firewall-cmd --zone=trusted --add-interface=<SUBN_IFACE>'\nWARN: 2) disable firewalld\n" >&2
|
||||
# TODO
|
||||
fi
|
||||
fi
|
||||
}
|
||||
iptables_()
|
||||
|
||||
CUSTOM_CHAINS_4_filter=
|
||||
CUSTOM_CHAINS_4_nat=
|
||||
CUSTOM_CHAINS_6_filter=
|
||||
CUSTOM_CHAINS_6_nat=
|
||||
iptb()
|
||||
{
|
||||
# NETFILTER_XT_MATCH_COMMENT would be a env variable if user wants to disable '-m comment'
|
||||
if [[ "$NETFILTER_XT_MATCH_COMMENT" == "0" ]]; then
|
||||
iptables -w $@
|
||||
else
|
||||
iptables -w $@ -m comment --comment "lnxrouter-$$-$SUBNET_IFACE"
|
||||
local FoS=$1 # 4 | 6
|
||||
shift
|
||||
local Vis=$1 # 'v' | 'n'
|
||||
shift
|
||||
local T=$1 # table
|
||||
shift
|
||||
local ACT=$1 # action: I | A | N . On undo: I or A -> D , N -> F+X
|
||||
shift
|
||||
local CH=$1 # chain
|
||||
shift
|
||||
|
||||
[[ "$IPV6" -ne 1 && "$FoS" == "6" ]] && return
|
||||
|
||||
local CMD_HEAD=""
|
||||
local MOUTH=""
|
||||
local NECK=""
|
||||
local HAND_UN_NC=0
|
||||
local TAIL=""
|
||||
|
||||
local FULL=""
|
||||
local ADD_TO_UNDO=1
|
||||
|
||||
for arr_name in CUSTOM_CHAINS_4_filter CUSTOM_CHAINS_4_nat CUSTOM_CHAINS_6_filter CUSTOM_CHAINS_6_nat
|
||||
do
|
||||
local arr_content
|
||||
eval arr_content=\"\${$arr_name}\"
|
||||
#echo $arr_content
|
||||
|
||||
for w in $arr_content
|
||||
do
|
||||
if [[ "$arr_name" =~ "$FoS" && "$arr_name" =~ "$T" && "$w" == "$CH" ]]; then
|
||||
ADD_TO_UNDO=0
|
||||
fi
|
||||
done
|
||||
done
|
||||
|
||||
|
||||
[[ "$FoS" == "4" ]] && CMD_HEAD="iptables -w "
|
||||
[[ "$FoS" == "6" ]] && CMD_HEAD="ip6tables -w "
|
||||
|
||||
[[ "$Vis" == 'v' ]] && MOUTH="-v"
|
||||
|
||||
NECK="-t ${T}"
|
||||
|
||||
if [[ "$ACT" == "N" ]]; then
|
||||
eval CUSTOM_CHAINS_${FoS}_${T}=\"\${CUSTOM_CHAINS_${FoS}_${T}} ${CH}\"
|
||||
HAND_UN_NC=1
|
||||
fi
|
||||
return $?
|
||||
}
|
||||
ip6tables_()
|
||||
{
|
||||
if [[ "$NETFILTER_XT_MATCH_COMMENT" == "0" ]]; then
|
||||
ip6tables -w $@
|
||||
else
|
||||
ip6tables -w $@ -m comment --comment "lnxrouter-$$-$SUBNET_IFACE"
|
||||
|
||||
|
||||
|
||||
[[ ! "$NETFILTER_XT_MATCH_COMMENT" == "0" ]] && TAIL="-m comment --comment lrt${$}${SUBNET_IFACE}"
|
||||
|
||||
if [[ "$ADD_TO_UNDO" -eq 1 ]]; then
|
||||
if [[ "$ACT" == "I" || "$ACT" == "A" ]]; then
|
||||
echo "$CMD_HEAD $NECK -D ${CH} $@ $TAIL" >> $CONFDIR/undo_iptables.sh
|
||||
fi
|
||||
|
||||
if [[ "$HAND_UN_NC" -eq 1 ]]; then
|
||||
echo "$CMD_HEAD $NECK -F ${CH} $@ $TAIL" >> $CONFDIR/undo_iptables_2.sh
|
||||
echo "$CMD_HEAD $NECK -X ${CH} $@ $TAIL" >> $CONFDIR/undo_iptables_2.sh
|
||||
fi
|
||||
fi
|
||||
|
||||
|
||||
|
||||
|
||||
FULL="$CMD_HEAD $MOUTH $NECK -${ACT} ${CH} $@ $TAIL"
|
||||
#echo $FULL
|
||||
$FULL
|
||||
return $?
|
||||
}
|
||||
|
||||
|
|
@ -859,151 +912,84 @@ start_nat() {
|
|||
echo
|
||||
echo "iptables: NAT "
|
||||
if [[ $NO4 -eq 0 ]]; then
|
||||
iptables_ -v -t nat -I POSTROUTING -s ${GATEWAY%.*}.0/24 $IPTABLES_NAT_OUT $MASQUERADE_NOTOUT ! -d ${GATEWAY%.*}.0/24 -j MASQUERADE || die
|
||||
iptables_ -v -I FORWARD -i ${SUBNET_IFACE} $IPTABLES_NAT_OUT -s ${GATEWAY%.*}.0/24 -j ACCEPT || die
|
||||
iptables_ -v -I FORWARD -o ${SUBNET_IFACE} $IPTABLES_NAT_IN -d ${GATEWAY%.*}.0/24 -j ACCEPT || die
|
||||
fi
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
ip6tables_ -v -t nat -I POSTROUTING -s ${PREFIX6}/64 $IPTABLES_NAT_OUT $MASQUERADE_NOTOUT ! -d ${PREFIX6}/64 -j MASQUERADE || die
|
||||
ip6tables_ -v -I FORWARD -i ${SUBNET_IFACE} $IPTABLES_NAT_OUT -s ${PREFIX6}/64 -j ACCEPT || die
|
||||
ip6tables_ -v -I FORWARD -o ${SUBNET_IFACE} $IPTABLES_NAT_IN -d ${PREFIX6}/64 -j ACCEPT || die
|
||||
fi
|
||||
}
|
||||
stop_nat() {
|
||||
echo "iptables: stop NAT"
|
||||
if [[ $NO4 -eq 0 ]]; then
|
||||
iptables_ -t nat -D POSTROUTING -s ${GATEWAY%.*}.0/24 $IPTABLES_NAT_OUT $MASQUERADE_NOTOUT ! -d ${GATEWAY%.*}.0/24 -j MASQUERADE
|
||||
iptables_ -D FORWARD -i ${SUBNET_IFACE} $IPTABLES_NAT_OUT -s ${GATEWAY%.*}.0/24 -j ACCEPT
|
||||
iptables_ -D FORWARD -o ${SUBNET_IFACE} $IPTABLES_NAT_IN -d ${GATEWAY%.*}.0/24 -j ACCEPT
|
||||
fi
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
ip6tables_ -t nat -D POSTROUTING -s ${PREFIX6}/64 $IPTABLES_NAT_OUT $MASQUERADE_NOTOUT ! -d ${PREFIX6}/64 -j MASQUERADE
|
||||
ip6tables_ -D FORWARD -i ${SUBNET_IFACE} $IPTABLES_NAT_OUT -s ${PREFIX6}/64 -j ACCEPT
|
||||
ip6tables_ -D FORWARD -o ${SUBNET_IFACE} $IPTABLES_NAT_IN -d ${PREFIX6}/64 -j ACCEPT
|
||||
iptb 4 v nat I POSTROUTING -s ${GATEWAY%.*}.0/24 $IPTABLES_NAT_OUT $MASQUERADE_NOTOUT ! -d ${GATEWAY%.*}.0/24 -j MASQUERADE || die
|
||||
iptb 4 v filter I FORWARD -i ${SUBNET_IFACE} $IPTABLES_NAT_OUT -s ${GATEWAY%.*}.0/24 -j ACCEPT || die
|
||||
iptb 4 v filter I FORWARD -o ${SUBNET_IFACE} $IPTABLES_NAT_IN -d ${GATEWAY%.*}.0/24 -j ACCEPT || die
|
||||
fi
|
||||
|
||||
iptb 6 v nat I POSTROUTING -s ${PREFIX6}/64 $IPTABLES_NAT_OUT $MASQUERADE_NOTOUT ! -d ${PREFIX6}/64 -j MASQUERADE || die
|
||||
iptb 6 v filter I FORWARD -i ${SUBNET_IFACE} $IPTABLES_NAT_OUT -s ${PREFIX6}/64 -j ACCEPT || die
|
||||
iptb 6 v filter I FORWARD -o ${SUBNET_IFACE} $IPTABLES_NAT_IN -d ${PREFIX6}/64 -j ACCEPT || die
|
||||
}
|
||||
|
||||
start_ban_lan() {
|
||||
echo
|
||||
echo "iptables: Disallow clients to access LAN"
|
||||
iptables_ -N BANLAN-f-${SUBNET_IFACE} || die
|
||||
iptables_ -v -I BANLAN-f-${SUBNET_IFACE} -d 0.0.0.0/8 -j REJECT || die # TODO: use array
|
||||
iptables_ -v -I BANLAN-f-${SUBNET_IFACE} -d 10.0.0.0/8 -j REJECT || die
|
||||
iptables_ -v -I BANLAN-f-${SUBNET_IFACE} -d 100.64.0.0/10 -j REJECT || die
|
||||
iptables_ -v -I BANLAN-f-${SUBNET_IFACE} -d 127.0.0.0/8 -j REJECT || die
|
||||
iptables_ -v -I BANLAN-f-${SUBNET_IFACE} -d 169.254.0.0/16 -j REJECT || die
|
||||
iptables_ -v -I BANLAN-f-${SUBNET_IFACE} -d 172.16.0.0/12 -j REJECT || die
|
||||
iptables_ -v -I BANLAN-f-${SUBNET_IFACE} -d 192.168.0.0/16 -j REJECT || die
|
||||
iptables_ -v -I BANLAN-f-${SUBNET_IFACE} -d 224.0.0.0/4 -j REJECT || die
|
||||
iptables_ -v -I BANLAN-f-${SUBNET_IFACE} -d 255.255.255.255 -j REJECT || die
|
||||
iptb 4 n filter N lrt${$}${SUBNET_IFACE}-BLF || die
|
||||
# TODO: allow '--dhcp-dns(6)' address port 53, which can be something needed, e.g. a VPN's internal private IP
|
||||
iptb 4 v filter I lrt${$}${SUBNET_IFACE}-BLF -d 0.0.0.0/8 -j REJECT || die # TODO: use array
|
||||
iptb 4 v filter I lrt${$}${SUBNET_IFACE}-BLF -d 10.0.0.0/8 -j REJECT || die
|
||||
iptb 4 v filter I lrt${$}${SUBNET_IFACE}-BLF -d 100.64.0.0/10 -j REJECT || die
|
||||
iptb 4 v filter I lrt${$}${SUBNET_IFACE}-BLF -d 127.0.0.0/8 -j REJECT || die
|
||||
iptb 4 v filter I lrt${$}${SUBNET_IFACE}-BLF -d 169.254.0.0/16 -j REJECT || die
|
||||
iptb 4 v filter I lrt${$}${SUBNET_IFACE}-BLF -d 172.16.0.0/12 -j REJECT || die
|
||||
iptb 4 v filter I lrt${$}${SUBNET_IFACE}-BLF -d 192.168.0.0/16 -j REJECT || die
|
||||
iptb 4 v filter I lrt${$}${SUBNET_IFACE}-BLF -d 224.0.0.0/4 -j REJECT || die
|
||||
iptb 4 v filter I lrt${$}${SUBNET_IFACE}-BLF -d 255.255.255.255 -j REJECT || die
|
||||
|
||||
iptables_ -I FORWARD -i ${SUBNET_IFACE} -j BANLAN-f-${SUBNET_IFACE} || die
|
||||
iptb 4 n filter I FORWARD -i ${SUBNET_IFACE} -j lrt${$}${SUBNET_IFACE}-BLF || die
|
||||
|
||||
iptables_ -N BANLAN-i-${SUBNET_IFACE}
|
||||
#iptables_ -v -I BANLAN-i-${SUBNET_IFACE} -i ${SUBNET_IFACE} -j REJECT || die
|
||||
iptables_ -v -I BANLAN-i-${SUBNET_IFACE} -i ${SUBNET_IFACE} ! -p icmp -j REJECT || die
|
||||
# TODO: ipv6 need icmp to function. maybe we can block some unneeded icmp to improve security
|
||||
iptb 4 n filter N lrt${$}${SUBNET_IFACE}-BLI || die
|
||||
iptb 4 v filter I lrt${$}${SUBNET_IFACE}-BLI -i ${SUBNET_IFACE} ! -p icmp -j REJECT || die # ipv6 need icmp to function. TODO: maybe we can block some unneeded icmp to improve security
|
||||
|
||||
iptables_ -I INPUT -i ${SUBNET_IFACE} -j BANLAN-i-${SUBNET_IFACE} || die
|
||||
iptb 4 n filter I INPUT -i ${SUBNET_IFACE} -j lrt${$}${SUBNET_IFACE}-BLI || die
|
||||
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
ip6tables_ -N BANLAN-f-${SUBNET_IFACE} || die
|
||||
ip6tables_ -v -I BANLAN-f-${SUBNET_IFACE} -d fc00::/7 -j REJECT || die
|
||||
ip6tables_ -v -I BANLAN-f-${SUBNET_IFACE} -d fe80::/10 -j REJECT || die
|
||||
ip6tables_ -v -I BANLAN-f-${SUBNET_IFACE} -d ff00::/8 -j REJECT || die
|
||||
ip6tables_ -v -I BANLAN-f-${SUBNET_IFACE} -d ::1 -j REJECT || die
|
||||
ip6tables_ -v -I BANLAN-f-${SUBNET_IFACE} -d ::/128 -j REJECT || die
|
||||
ip6tables_ -v -I BANLAN-f-${SUBNET_IFACE} -d ::ffff:0:0/96 -j REJECT || die
|
||||
ip6tables_ -v -I BANLAN-f-${SUBNET_IFACE} -d ::ffff:0:0:0/96 -j REJECT || die
|
||||
|
||||
ip6tables_ -I FORWARD -i ${SUBNET_IFACE} -j BANLAN-f-${SUBNET_IFACE} || die
|
||||
|
||||
ip6tables_ -N BANLAN-i-${SUBNET_IFACE} || die
|
||||
#ip6tables_ -v -I BANLAN-i-${SUBNET_IFACE} -i ${SUBNET_IFACE} -j REJECT || die
|
||||
ip6tables_ -v -I BANLAN-i-${SUBNET_IFACE} -i ${SUBNET_IFACE} ! -p icmpv6 -j REJECT || die
|
||||
iptb 6 n filter N lrt${$}${SUBNET_IFACE}-BLF || die
|
||||
iptb 6 v filter I lrt${$}${SUBNET_IFACE}-BLF -d fc00::/7 -j REJECT || die
|
||||
iptb 6 v filter I lrt${$}${SUBNET_IFACE}-BLF -d fe80::/10 -j REJECT || die
|
||||
iptb 6 v filter I lrt${$}${SUBNET_IFACE}-BLF -d ff00::/8 -j REJECT || die
|
||||
iptb 6 v filter I lrt${$}${SUBNET_IFACE}-BLF -d ::1 -j REJECT || die
|
||||
iptb 6 v filter I lrt${$}${SUBNET_IFACE}-BLF -d ::/128 -j REJECT || die
|
||||
iptb 6 v filter I lrt${$}${SUBNET_IFACE}-BLF -d ::ffff:0:0/96 -j REJECT || die
|
||||
iptb 6 v filter I lrt${$}${SUBNET_IFACE}-BLF -d ::ffff:0:0:0/96 -j REJECT || die
|
||||
|
||||
ip6tables_ -I INPUT -i ${SUBNET_IFACE} -j BANLAN-i-${SUBNET_IFACE} || die
|
||||
fi
|
||||
}
|
||||
stop_ban_lan() {
|
||||
echo "iptables: Unban clients' LAN access"
|
||||
iptb 6 n filter I FORWARD -i ${SUBNET_IFACE} -j lrt${$}${SUBNET_IFACE}-BLF || die
|
||||
|
||||
iptables_ -D FORWARD -i ${SUBNET_IFACE} -j BANLAN-f-${SUBNET_IFACE}
|
||||
|
||||
iptables_ -F BANLAN-f-${SUBNET_IFACE}
|
||||
iptables_ -X BANLAN-f-${SUBNET_IFACE}
|
||||
|
||||
iptables_ -D INPUT -i ${SUBNET_IFACE} -j BANLAN-i-${SUBNET_IFACE}
|
||||
|
||||
iptables_ -F BANLAN-i-${SUBNET_IFACE}
|
||||
iptables_ -X BANLAN-i-${SUBNET_IFACE}
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
ip6tables_ -D FORWARD -i ${SUBNET_IFACE} -j BANLAN-f-${SUBNET_IFACE}
|
||||
|
||||
ip6tables_ -F BANLAN-f-${SUBNET_IFACE}
|
||||
ip6tables_ -X BANLAN-f-${SUBNET_IFACE}
|
||||
|
||||
ip6tables_ -D INPUT -i ${SUBNET_IFACE} -j BANLAN-i-${SUBNET_IFACE}
|
||||
|
||||
ip6tables_ -F BANLAN-i-${SUBNET_IFACE}
|
||||
ip6tables_ -X BANLAN-i-${SUBNET_IFACE}
|
||||
fi
|
||||
iptb 6 n filter N lrt${$}${SUBNET_IFACE}-BLI || die
|
||||
iptb 6 v filter I lrt${$}${SUBNET_IFACE}-BLI -i ${SUBNET_IFACE} ! -p icmpv6 -j REJECT || die
|
||||
|
||||
iptb 6 n filter I INPUT -i ${SUBNET_IFACE} -j lrt${$}${SUBNET_IFACE}-BLI || die
|
||||
|
||||
}
|
||||
|
||||
allow_dns_port() {
|
||||
echo
|
||||
echo "iptables: allow DNS"
|
||||
iptables_ -v -I INPUT -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -d ${GATEWAY} -p tcp -m tcp --dport 53 -j ACCEPT || die
|
||||
iptables_ -v -I INPUT -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -d ${GATEWAY} -p udp -m udp --dport 53 -j ACCEPT || die
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
ip6tables_ -v -I INPUT -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -d ${GATEWAY6} -p tcp -m tcp --dport 53 -j ACCEPT || die
|
||||
ip6tables_ -v -I INPUT -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -d ${GATEWAY6} -p udp -m udp --dport 53 -j ACCEPT || die
|
||||
fi
|
||||
}
|
||||
unallow_dns_port() {
|
||||
echo "iptables: unallow DNS"
|
||||
iptables_ -D INPUT -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -d ${GATEWAY} -p tcp -m tcp --dport 53 -j ACCEPT
|
||||
iptables_ -D INPUT -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -d ${GATEWAY} -p udp -m udp --dport 53 -j ACCEPT
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
ip6tables_ -D INPUT -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -d ${GATEWAY6} -p tcp -m tcp --dport 53 -j ACCEPT
|
||||
ip6tables_ -D INPUT -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -d ${GATEWAY6} -p udp -m udp --dport 53 -j ACCEPT
|
||||
fi
|
||||
iptb 4 v filter I INPUT -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -d ${GATEWAY} -p tcp -m tcp --dport 53 -j ACCEPT || die
|
||||
iptb 4 v filter I INPUT -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -d ${GATEWAY} -p udp -m udp --dport 53 -j ACCEPT || die
|
||||
iptb 6 v filter I INPUT -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -d ${GATEWAY6} -p tcp -m tcp --dport 53 -j ACCEPT || die
|
||||
iptb 6 v filter I INPUT -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -d ${GATEWAY6} -p udp -m udp --dport 53 -j ACCEPT || die
|
||||
}
|
||||
|
||||
|
||||
start_catch_dns() {
|
||||
echo
|
||||
echo "iptables: redirect all TCP/UDP packet that destination port is 53"
|
||||
iptables_ -v -t nat -I PREROUTING -i ${SUBNET_IFACE} ! -d ${GATEWAY} -p udp -m udp --dport 53 -j REDIRECT --to-ports 53 || die
|
||||
iptables_ -v -t nat -I PREROUTING -i ${SUBNET_IFACE} ! -d ${GATEWAY} -p tcp -m tcp --dport 53 -j REDIRECT --to-ports 53 || die
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
ip6tables_ -v -t nat -I PREROUTING -i ${SUBNET_IFACE} ! -d ${GATEWAY6} -p udp -m udp --dport 53 -j REDIRECT --to-ports 53 || die
|
||||
ip6tables_ -v -t nat -I PREROUTING -i ${SUBNET_IFACE} ! -d ${GATEWAY6} -p tcp -m tcp --dport 53 -j REDIRECT --to-ports 53 || die
|
||||
fi
|
||||
}
|
||||
stop_catch_dns() {
|
||||
echo "iptables: stop redirecting DNS queries"
|
||||
iptables_ -t nat -D PREROUTING -i ${SUBNET_IFACE} ! -d ${GATEWAY} -p udp -m udp --dport 53 -j REDIRECT --to-ports 53
|
||||
iptables_ -t nat -D PREROUTING -i ${SUBNET_IFACE} ! -d ${GATEWAY} -p tcp -m tcp --dport 53 -j REDIRECT --to-ports 53
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
ip6tables_ -t nat -D PREROUTING -i ${SUBNET_IFACE} ! -d ${GATEWAY6} -p udp -m udp --dport 53 -j REDIRECT --to-ports 53
|
||||
ip6tables_ -t nat -D PREROUTING -i ${SUBNET_IFACE} ! -d ${GATEWAY6} -p tcp -m tcp --dport 53 -j REDIRECT --to-ports 53
|
||||
fi
|
||||
echo "iptables: redirect DNS queries to this host"
|
||||
iptb 4 v nat I PREROUTING -i ${SUBNET_IFACE} ! -d ${GATEWAY} -p udp -m udp --dport 53 -j REDIRECT --to-ports 53 || die
|
||||
iptb 4 v nat I PREROUTING -i ${SUBNET_IFACE} ! -d ${GATEWAY} -p tcp -m tcp --dport 53 -j REDIRECT --to-ports 53 || die
|
||||
|
||||
iptb 6 v nat I PREROUTING -i ${SUBNET_IFACE} ! -d ${GATEWAY6} -p udp -m udp --dport 53 -j REDIRECT --to-ports 53 || die
|
||||
iptb 6 v nat I PREROUTING -i ${SUBNET_IFACE} ! -d ${GATEWAY6} -p tcp -m tcp --dport 53 -j REDIRECT --to-ports 53 || die
|
||||
}
|
||||
|
||||
|
||||
allow_dhcp() {
|
||||
echo
|
||||
echo "iptables: allow dhcp"
|
||||
iptables_ -v -I INPUT -i ${SUBNET_IFACE} -p udp -m udp --dport 67 -j ACCEPT || die
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
ip6tables_ -v -I INPUT -i ${SUBNET_IFACE} -p udp -m udp --dport 547 -j ACCEPT || die
|
||||
fi
|
||||
}
|
||||
unallow_dhcp() {
|
||||
echo "iptables: unallow dhcp"
|
||||
iptables_ -D INPUT -i ${SUBNET_IFACE} -p udp -m udp --dport 67 -j ACCEPT
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
ip6tables_ -D INPUT -i ${SUBNET_IFACE} -p udp -m udp --dport 547 -j ACCEPT
|
||||
fi
|
||||
|
||||
iptb 4 v filter I INPUT -i ${SUBNET_IFACE} -p udp -m udp --dport 67 -j ACCEPT || die
|
||||
iptb 6 v filter I INPUT -i ${SUBNET_IFACE} -p udp -m udp --dport 547 -j ACCEPT || die
|
||||
}
|
||||
|
||||
# TODO: use 'DNAT' instead of '--to-ports' to support other IP
|
||||
|
|
@ -1011,61 +997,43 @@ start_redsocks() {
|
|||
echo
|
||||
echo "iptables: transparent proxy non-LAN TCP/UDP traffic to port ${TP_PORT}"
|
||||
if [[ $NO4 -eq 0 ]]; then
|
||||
iptables_ -t nat -N REDSOCKS-${SUBNET_IFACE} || die
|
||||
iptables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d 0.0.0.0/8 -j RETURN || die
|
||||
iptables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d 10.0.0.0/8 -j RETURN || die
|
||||
iptables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d 100.64.0.0/10 -j RETURN || die
|
||||
iptables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d 127.0.0.0/8 -j RETURN || die
|
||||
iptables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d 169.254.0.0/16 -j RETURN || die
|
||||
iptables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d 172.16.0.0/12 -j RETURN || die
|
||||
iptables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d 192.168.0.0/16 -j RETURN || die
|
||||
iptables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d 224.0.0.0/4 -j RETURN || die
|
||||
iptables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d 255.255.255.255 -j RETURN || die
|
||||
iptb 4 n nat N lrt${$}${SUBNET_IFACE}-TP || die
|
||||
iptb 4 n nat A lrt${$}${SUBNET_IFACE}-TP -d 0.0.0.0/8 -j RETURN || die
|
||||
iptb 4 n nat A lrt${$}${SUBNET_IFACE}-TP -d 10.0.0.0/8 -j RETURN || die
|
||||
iptb 4 n nat A lrt${$}${SUBNET_IFACE}-TP -d 100.64.0.0/10 -j RETURN || die
|
||||
iptb 4 n nat A lrt${$}${SUBNET_IFACE}-TP -d 127.0.0.0/8 -j RETURN || die
|
||||
iptb 4 n nat A lrt${$}${SUBNET_IFACE}-TP -d 169.254.0.0/16 -j RETURN || die
|
||||
iptb 4 n nat A lrt${$}${SUBNET_IFACE}-TP -d 172.16.0.0/12 -j RETURN || die
|
||||
iptb 4 n nat A lrt${$}${SUBNET_IFACE}-TP -d 192.168.0.0/16 -j RETURN || die
|
||||
iptb 4 n nat A lrt${$}${SUBNET_IFACE}-TP -d 224.0.0.0/4 -j RETURN || die
|
||||
iptb 4 n nat A lrt${$}${SUBNET_IFACE}-TP -d 255.255.255.255 -j RETURN || die
|
||||
|
||||
iptables_ -v -t nat -A REDSOCKS-${SUBNET_IFACE} -p tcp -j REDIRECT --to-ports ${TP_PORT} || die
|
||||
iptables_ -v -t nat -A REDSOCKS-${SUBNET_IFACE} -p udp -j REDIRECT --to-ports ${TP_PORT} || die
|
||||
iptb 4 v nat A lrt${$}${SUBNET_IFACE}-TP -p tcp -j REDIRECT --to-ports ${TP_PORT} || die
|
||||
iptb 4 v nat A lrt${$}${SUBNET_IFACE}-TP -p udp -j REDIRECT --to-ports ${TP_PORT} || die
|
||||
|
||||
iptables_ -v -t nat -I PREROUTING -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -j REDSOCKS-${SUBNET_IFACE} || die
|
||||
iptb 4 v nat I PREROUTING -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -j lrt${$}${SUBNET_IFACE}-TP || die
|
||||
|
||||
iptables_ -v -I INPUT -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -p tcp -m tcp --dport ${TP_PORT} -j ACCEPT || die
|
||||
iptables_ -v -I INPUT -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -p udp -m udp --dport ${TP_PORT} -j ACCEPT || die
|
||||
iptb 4 v filter I INPUT -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -p tcp -m tcp --dport ${TP_PORT} -j ACCEPT || die
|
||||
iptb 4 v filter I INPUT -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -p udp -m udp --dport ${TP_PORT} -j ACCEPT || die
|
||||
fi
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
ip6tables_ -t nat -N REDSOCKS-${SUBNET_IFACE} || die
|
||||
ip6tables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d fc00::/7 -j RETURN || die
|
||||
ip6tables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d fe80::/10 -j RETURN || die
|
||||
ip6tables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d ff00::/8 -j RETURN || die
|
||||
ip6tables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d ::1 -j RETURN || die
|
||||
ip6tables_ -t nat -A REDSOCKS-${SUBNET_IFACE} -d :: -j RETURN || die
|
||||
|
||||
ip6tables_ -v -t nat -A REDSOCKS-${SUBNET_IFACE} -p tcp -j REDIRECT --to-ports ${TP_PORT} || die
|
||||
ip6tables_ -v -t nat -A REDSOCKS-${SUBNET_IFACE} -p udp -j REDIRECT --to-ports ${TP_PORT} || die
|
||||
iptb 6 n nat N lrt${$}${SUBNET_IFACE}-TP || die
|
||||
iptb 6 n nat A lrt${$}${SUBNET_IFACE}-TP -d fc00::/7 -j RETURN || die
|
||||
iptb 6 n nat A lrt${$}${SUBNET_IFACE}-TP -d fe80::/10 -j RETURN || die
|
||||
iptb 6 n nat A lrt${$}${SUBNET_IFACE}-TP -d ff00::/8 -j RETURN || die
|
||||
iptb 6 n nat A lrt${$}${SUBNET_IFACE}-TP -d ::1 -j RETURN || die
|
||||
iptb 6 n nat A lrt${$}${SUBNET_IFACE}-TP -d :: -j RETURN || die
|
||||
|
||||
ip6tables_ -v -t nat -I PREROUTING -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -j REDSOCKS-${SUBNET_IFACE} || die
|
||||
iptb 6 v nat A lrt${$}${SUBNET_IFACE}-TP -p tcp -j REDIRECT --to-ports ${TP_PORT} || die
|
||||
iptb 6 v nat A lrt${$}${SUBNET_IFACE}-TP -p udp -j REDIRECT --to-ports ${TP_PORT} || die
|
||||
|
||||
iptb 6 v nat I PREROUTING -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -j lrt${$}${SUBNET_IFACE}-TP || die
|
||||
|
||||
iptb 6 v filter I INPUT -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -p tcp -m tcp --dport ${TP_PORT} -j ACCEPT || die
|
||||
iptb 6 v filter I INPUT -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -p udp -m udp --dport ${TP_PORT} -j ACCEPT || die
|
||||
|
||||
ip6tables_ -v -I INPUT -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -p tcp -m tcp --dport ${TP_PORT} -j ACCEPT || die
|
||||
ip6tables_ -v -I INPUT -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -p udp -m udp --dport ${TP_PORT} -j ACCEPT || die
|
||||
fi
|
||||
}
|
||||
stop_redsocks() {
|
||||
echo "iptables: stop transparent proxy"
|
||||
if [[ $NO4 -eq 0 ]]; then
|
||||
iptables_ -t nat -D PREROUTING -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -j REDSOCKS-${SUBNET_IFACE}
|
||||
iptables_ -t nat -F REDSOCKS-${SUBNET_IFACE}
|
||||
iptables_ -t nat -X REDSOCKS-${SUBNET_IFACE}
|
||||
|
||||
iptables_ -D INPUT -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -p tcp -m tcp --dport ${TP_PORT} -j ACCEPT
|
||||
iptables_ -D INPUT -i ${SUBNET_IFACE} -s ${GATEWAY%.*}.0/24 -p udp -m udp --dport ${TP_PORT} -j ACCEPT
|
||||
fi
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
ip6tables_ -t nat -D PREROUTING -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -j REDSOCKS-${SUBNET_IFACE}
|
||||
ip6tables_ -t nat -F REDSOCKS-${SUBNET_IFACE}
|
||||
ip6tables_ -t nat -X REDSOCKS-${SUBNET_IFACE}
|
||||
|
||||
ip6tables_ -D INPUT -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -p tcp -m tcp --dport ${TP_PORT} -j ACCEPT
|
||||
ip6tables_ -D INPUT -i ${SUBNET_IFACE} -s ${PREFIX6}/64 -p udp -m udp --dport ${TP_PORT} -j ACCEPT
|
||||
fi
|
||||
}
|
||||
|
||||
#---------------------------------------
|
||||
backup_ipv6_bits() {
|
||||
mkdir "$CONFDIR/sys_6_conf_iface" || die "Failed making dir to save interface IPv6 status"
|
||||
|
|
@ -1120,7 +1088,7 @@ backup_interface_status() {
|
|||
|
||||
backup_ipv6_bits
|
||||
|
||||
# TODO : backup ip and others
|
||||
# TODO : ? backup ip and others???
|
||||
|
||||
# nm managing status is saved when nm_set_unmanaged()
|
||||
}
|
||||
|
|
@ -1153,7 +1121,7 @@ kill_processes() { # for this instance
|
|||
pn=$( ps -p $pid -o comm= )
|
||||
#echo "Killing $pid $pn ... "
|
||||
pkill -P $pid
|
||||
kill $pid 2>/dev/null && ( echo "Killed $pid $pn" && rm $x ) || echo "Failed to kill $pid $pn, it may have exited"
|
||||
kill $pid 2>/dev/null && ( echo "Killed $(basename $x) $pid $pn" && rm $x ) || echo "Failed to kill $(basename $x) $pid $pn, it may have exited"
|
||||
fi
|
||||
done
|
||||
}
|
||||
|
|
@ -1190,25 +1158,9 @@ _cleanup() {
|
|||
}
|
||||
|
||||
clean_iptables() {
|
||||
|
||||
if [[ "$SHARE_METHOD" == "nat" ]]; then
|
||||
stop_nat
|
||||
elif [[ "$SHARE_METHOD" == "redsocks" ]]; then
|
||||
stop_redsocks
|
||||
fi
|
||||
bash $CONFDIR/undo_iptables.sh
|
||||
|
||||
if [[ "$DHCP_DNS" == "gateway" || "$DHCP_DNS6" == "gateway" ]]; then
|
||||
unallow_dns_port
|
||||
fi
|
||||
|
||||
[[ "$CATCH_DNS" -eq 1 ]] && stop_catch_dns
|
||||
|
||||
|
||||
if [[ $NO_DNSMASQ -eq 0 ]]; then
|
||||
unallow_dhcp
|
||||
fi
|
||||
|
||||
[[ "$BANLAN" -eq 1 ]] && stop_ban_lan
|
||||
[[ -f $CONFDIR/undo_iptables_2.sh ]] && bash $CONFDIR/undo_iptables_2.sh
|
||||
}
|
||||
|
||||
cleanup() {
|
||||
|
|
@ -1217,10 +1169,12 @@ cleanup() {
|
|||
echo
|
||||
echo "Doing cleanup.. "
|
||||
kill_processes
|
||||
clean_iptables 2> /dev/null
|
||||
echo "Undoing iptables changes .."
|
||||
clean_iptables > /dev/null
|
||||
_cleanup 2> /dev/null
|
||||
|
||||
pgid=$(ps opgid= $$ |awk '{print $1}' )
|
||||
echo "Killing PGID $pgid ..."
|
||||
kill -15 -$pgid
|
||||
sleep 1
|
||||
echo "Cleaning up done"
|
||||
|
|
@ -1484,7 +1438,7 @@ check_other_functions(){
|
|||
|
||||
##### root test ##### NOTE above don't require root ##########
|
||||
if [[ $(id -u) -ne 0 ]]; then
|
||||
echo "You must run it as root." >&2
|
||||
echo "ERROR: Need root to continue" >&2
|
||||
exit 1
|
||||
fi
|
||||
###### NOTE below require root ##########
|
||||
|
|
@ -1768,7 +1722,7 @@ write_hostapd_conf() {
|
|||
rsn_pairwise=CCMP
|
||||
EOF
|
||||
else
|
||||
echo "WARN: Wifi is not protected by password" >&2
|
||||
echo "WARN: WiFi is not protected by password" >&2
|
||||
fi
|
||||
chmod 600 "$CONFDIR/hostapd.conf"
|
||||
}
|
||||
|
|
@ -1968,6 +1922,9 @@ daemonizing_check
|
|||
## ===== Above don't echo anything if no warning or error====================
|
||||
## ========================================================
|
||||
phead
|
||||
phead2
|
||||
echo
|
||||
|
||||
echo "PID: $$"
|
||||
|
||||
TARGET_IFACE="$(decide_target_interface)" || exit 1 # judge wired (-i CONN_IFACE) or wireless hotspot (--ap $WIFI_IFACE)
|
||||
|
|
@ -2051,25 +2008,33 @@ fi
|
|||
|
||||
check_iptables
|
||||
|
||||
echo "NOTICE: Not showing all operations done to iptables rules"
|
||||
|
||||
[[ "$NO4" -eq 1 ]] && echo -e "\nWARN: Since you're using in this mode (no IPv4 Internet), make sure you've read Notice 1\n" >&2
|
||||
|
||||
# enable Internet sharing
|
||||
if [[ "$SHARE_METHOD" == "none" ]]; then
|
||||
|
||||
echo "No Internet sharing"
|
||||
|
||||
echo -e "\nWARN: Since you're using in this mode (no Internet share), make sure you've read Notice 1\n" >&2
|
||||
|
||||
[[ "$BANLAN" -eq 1 ]] && start_ban_lan
|
||||
|
||||
elif [[ "$SHARE_METHOD" == "nat" ]]; then
|
||||
|
||||
[[ "$INTERNET_IFACE" && "$dnsmasq_NO_DNS" -eq 0 ]] && echo -e "\nWARN: You specified Internet interface but this host is providing local DNS, queries may leak to other interfaces!!!\n" >&2
|
||||
[[ "$INTERNET_IFACE" ]] && echo -e "\nWARN: Since you're using in this mode (specify Internet interface), make sure you've read Notice 1\n" >&2
|
||||
|
||||
[[ "$INTERNET_IFACE" && "$dnsmasq_NO_DNS" -eq 0 ]] && echo -e "\nWARN: You specified Internet interface but this host is providing local DNS. In some unexpected case (eg. mistaken configurations), queries may leak to other interfaces, which you should be aware of.\n" >&2
|
||||
|
||||
start_nat
|
||||
|
||||
[[ "$BANLAN" -eq 1 ]] && start_ban_lan
|
||||
|
||||
echo 1 > "/proc/sys/net/ipv4/ip_forward" || die "Failed enabling system ipv4 forwarding"
|
||||
echo 1 > "/proc/sys/net/ipv4/ip_forward" || die "Failed enabling system ipv4 forwarding" # TODO maybe uneeded in '--no4' mode
|
||||
|
||||
if [[ $IPV6 -eq 1 ]]; then
|
||||
echo 1 > "/proc/sys/net/ipv6/conf/all/forwarding" || die "Failed enabling system ipv6 forwarding"
|
||||
echo 1 > "/proc/sys/net/ipv6/conf/all/forwarding" || die "Failed enabling system ipv6 forwarding" # TODO if '-o' used, set only 2 interfaces' bits
|
||||
fi
|
||||
|
||||
# to enable clients to establish PPTP connections we must
|
||||
|
|
@ -2082,7 +2047,7 @@ elif [[ "$SHARE_METHOD" == "redsocks" ]]; then
|
|||
echo 1 > "/proc/sys/net/ipv6/conf/$SUBNET_IFACE/forwarding" || die "Failed enabling $SUBNET_IFACE ipv6 forwarding" # to set NA router bit
|
||||
fi
|
||||
|
||||
[[ "$dnsmasq_NO_DNS" -eq 0 && ! $DNS ]] && echo -e "\nWARN: You are using in transparent proxy mode but this host is providing local DNS, this may cause privacy leak !!!\n" >&2
|
||||
[[ "$dnsmasq_NO_DNS" -eq 0 && ! $DNS ]] && echo -e "\nWARN: You are using in transparent proxy mode but this host is providing local DNS. In some unexpected case (eg. mistaken configurations), queries may leak to other interfaces, which you should be aware of.\n" >&2
|
||||
|
||||
[[ "$BANLAN" -eq 1 ]] && start_ban_lan
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue