├── rel ├── version ├── .gitignore ├── debian ├── compat ├── source │ └── format ├── install ├── control ├── rules ├── copyright ├── postinst └── changelog ├── CHANGELOG ├── 20-qubes-tunnel.sh ├── qubes-tunnel-example.png ├── .qubesbuilder ├── Makefile.builder ├── .gitlab-ci.yml ├── qubes-tunnel-example.md ├── 00_generic.example ├── Makefile ├── 10_wg.example ├── rpm_spec └── qubes-tunnel.spec.in ├── qubes-tunnel.service ├── README.md ├── qtunnel-connect ├── tunnel-restrict-firewall ├── qtunnel-setup └── LICENSE /rel: -------------------------------------------------------------------------------- 1 | 1 2 | -------------------------------------------------------------------------------- /version: -------------------------------------------------------------------------------- 1 | 1.4.6 2 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | pkgs/ 2 | -------------------------------------------------------------------------------- /debian/compat: -------------------------------------------------------------------------------- 1 | 10 2 | -------------------------------------------------------------------------------- /debian/source/format: -------------------------------------------------------------------------------- 1 | 3.0 (quilt) 2 | -------------------------------------------------------------------------------- /CHANGELOG: -------------------------------------------------------------------------------- 1 | qubes-tunnel (1.4.0) - 2018-09-25 2 | 3 | * Initial release 4 | 5 | -------------------------------------------------------------------------------- /20-qubes-tunnel.sh: -------------------------------------------------------------------------------- 1 | #!/usr/bin/sh 2 | 3 | qvm-features-request supported-service.qubes-tunnel=1 -------------------------------------------------------------------------------- /qubes-tunnel-example.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/QubesOS-contrib/qubes-tunnel/HEAD/qubes-tunnel-example.png -------------------------------------------------------------------------------- /.qubesbuilder: -------------------------------------------------------------------------------- 1 | vm: 2 | rpm: 3 | build: 4 | - rpm_spec/qubes-tunnel.spec 5 | deb: 6 | build: 7 | - debian 8 | -------------------------------------------------------------------------------- /Makefile.builder: -------------------------------------------------------------------------------- 1 | RPM_SPEC_FILES.vm = rpm_spec/qubes-tunnel.spec 2 | DEBIAN_BUILD_DIRS.vm = debian 3 | 4 | RPM_SPEC_FILES = $(RPM_SPEC_FILES.$(PACKAGE_SET)) 5 | DEBIAN_BUILD_DIRS = $(DEBIAN_BUILD_DIRS.$(PACKAGE_SET)) 6 | -------------------------------------------------------------------------------- /debian/install: -------------------------------------------------------------------------------- 1 | qtunnel-setup usr/lib/qubes 2 | qtunnel-connect usr/lib/qubes 3 | tunnel-restrict-firewall usr/lib/qubes 4 | qubes-tunnel.service lib/systemd/system 5 | 00_generic.example lib/systemd/system/qubes-tunnel.service.d 6 | 10_wg.example lib/systemd/system/qubes-tunnel.service.d 7 | 20-qubes-tunnel.sh etc/qubes/post-install.d 8 | -------------------------------------------------------------------------------- /.gitlab-ci.yml: -------------------------------------------------------------------------------- 1 | include: 2 | - project: 'QubesOS/qubes-continuous-integration' 3 | file: '/r4.1/gitlab-base.yml' 4 | - project: 'QubesOS/qubes-continuous-integration' 5 | file: '/r4.1/gitlab-vm.yml' 6 | - project: 'QubesOS/qubes-continuous-integration' 7 | file: '/r4.2/gitlab-base.yml' 8 | - project: 'QubesOS/qubes-continuous-integration' 9 | file: '/r4.2/gitlab-vm.yml' 10 | 11 | variables: 12 | qb_opts: '-o +components+tunnel' 13 | -------------------------------------------------------------------------------- /qubes-tunnel-example.md: -------------------------------------------------------------------------------- 1 | graph BT 2 | B(sys-firewall):::green --> A(sys-net):::red 3 | C(personal):::yellow --> B 4 | D(sys-vpn):::green --> B 5 | E(work):::blue --> D 6 | 7 | classDef red fill:#e6194b,stroke:#333,stroke-width:1px,color:#ee 8 | classDef green fill:#3cb44b,stroke:#333,stroke-width:1px,color:#ee 9 | classDef yellow fill:#ffe119,stroke:#333,stroke-width:1px,color:#aa 10 | classDef blue fill:#4363d8,stroke:#333,stroke-width:1px,color:#ee 11 | -------------------------------------------------------------------------------- /00_generic.example: -------------------------------------------------------------------------------- 1 | ## Example config override: 2 | 3 | #[Service] 4 | #Environment="filter_opts=" 5 | #Environment="filter_opts=persist-tun|auth-user-pass" 6 | 7 | #Environment="client_cmd=" 8 | #Environment="client_cmd=/usr/sbin/openvpn" 9 | 10 | #Environment="client_opt1=" 11 | #Environment="client_opt1=--cd /rw/config/qtunnel/ --config /tmp/qtunnel.conf" 12 | #Environment="client_opt2=" 13 | #Environment="client_opt3=" 14 | #Environment="client_opt4=" 15 | #Environment="client_opt5=" 16 | 17 | #Environment="userpassword_opt=" 18 | #Environment="userpassword_opt=--auth-user-pass /tmp/tunneluserpwd.txt" 19 | 20 | -------------------------------------------------------------------------------- /debian/control: -------------------------------------------------------------------------------- 1 | Source: qubes-tunnel 2 | Section: admin 3 | Priority: optional 4 | Maintainer: Christopher Laprise 5 | Build-Depends: debhelper (>= 10) 6 | Standards-Version: 4.1.2 7 | Homepage: https://www.qubes-os.org 8 | 9 | Package: qubes-tunnel 10 | Architecture: all 11 | Depends: ${misc:Depends}, qubes-core-agent-networking, iptables, openvpn, libnotify-bin 12 | Description: Qubes service for simple, secure VPN tunnels. 13 | Qubes service for ProxyVMs as secure VPN tunnel gateways. Combines anti-leak 14 | firewall, DNS and systemd service that accepts config files from your 15 | VPN provider. 16 | -------------------------------------------------------------------------------- /debian/rules: -------------------------------------------------------------------------------- 1 | #!/usr/bin/make -f 2 | # See debhelper(7) (uncomment to enable) 3 | # output every command that modifies files on the build system. 4 | #export DH_VERBOSE = 1 5 | 6 | 7 | # see FEATURE AREAS in dpkg-buildflags(1) 8 | #export DEB_BUILD_MAINT_OPTIONS = hardening=+all 9 | 10 | # see ENVIRONMENT in dpkg-buildflags(1) 11 | # package maintainers to append CFLAGS 12 | #export DEB_CFLAGS_MAINT_APPEND = -Wall -pedantic 13 | # package maintainers to append LDFLAGS 14 | #export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed 15 | 16 | override_dh_auto_build: 17 | true 18 | 19 | override_dh_auto_install: 20 | make install-files DESTDIR=debian/tmp 21 | 22 | %: 23 | dh $@ 24 | 25 | 26 | # dh_make generated override targets 27 | # This is example for Cmake (See https://bugs.debian.org/641051 ) 28 | #override_dh_auto_configure: 29 | # dh_auto_configure -- # -DCMAKE_LIBRARY_PATH=$(DEB_HOST_MULTIARCH) 30 | 31 | -------------------------------------------------------------------------------- /debian/copyright: -------------------------------------------------------------------------------- 1 | Files: debian/* 2 | Copyright: 2018 Christopher Laprise 3 | License: GPL-2+ 4 | This package is free software; you can redistribute it and/or modify 5 | it under the terms of the GNU General Public License as published by 6 | the Free Software Foundation; either version 2 of the License, or 7 | (at your option) any later version. 8 | . 9 | This package is distributed in the hope that it will be useful, 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 | GNU General Public License for more details. 13 | . 14 | You should have received a copy of the GNU General Public License 15 | along with this program. If not, see 16 | . 17 | On Debian systems, the complete text of the GNU General 18 | Public License version 2 can be found in "/usr/share/common-licenses/GPL-2". 19 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | VERSION := $(shell cat version) 2 | 3 | install: install-vm 4 | 5 | install-vm: install-files 6 | groupadd -rf qtunnel 7 | systemctl daemon-reload 8 | systemctl enable qubes-tunnel.service 9 | 10 | install-files: 11 | install -d $(DESTDIR)/usr/lib/qubes/ 12 | install -Dm 755 qtunnel-setup $(DESTDIR)/usr/lib/qubes/qtunnel-setup 13 | install -Dm 755 qtunnel-connect $(DESTDIR)/usr/lib/qubes/qtunnel-connect 14 | install -Dm 755 tunnel-restrict-firewall $(DESTDIR)/usr/lib/qubes/tunnel-restrict-firewall 15 | install -d $(DESTDIR)/lib/systemd/system 16 | install -Dm 644 qubes-tunnel.service $(DESTDIR)/lib/systemd/system/qubes-tunnel.service 17 | install -d $(DESTDIR)/lib/systemd/system/qubes-tunnel.service.d 18 | install -Dm 644 00_generic.example $(DESTDIR)/lib/systemd/system/qubes-tunnel.service.d/00_generic.example 19 | install -Dm 644 10_wg.example $(DESTDIR)/lib/systemd/system/qubes-tunnel.service.d/10_wg.example 20 | install -Dm 755 20-qubes-tunnel.sh $(DESTDIR)/etc/qubes/post-install.d/20-qubes-tunnel.sh 21 | -------------------------------------------------------------------------------- /10_wg.example: -------------------------------------------------------------------------------- 1 | ## Example wireguard config (experimental): 2 | 3 | [Service] 4 | Type=oneshot 5 | Restart=no 6 | RemainAfterExit=true 7 | 8 | Environment="filter_opts=" 9 | 10 | Environment="client_cmd=" 11 | Environment="client_cmd=/tmp/wg-quick" 12 | 13 | Environment="client_opt1=" 14 | Environment="client_opt1=up /tmp/qtunnel.conf" 15 | Environment="client_opt2=" 16 | Environment="client_opt3=" 17 | Environment="client_opt4=" 18 | Environment="client_opt5=" 19 | 20 | Environment="userpassword_opt=" 21 | 22 | # Override wg-quick DNS functions: 23 | ExecStartPre=/bin/cp -a -L /usr/bin/wg-quick /tmp 24 | ExecStartPre=/bin/sed -i "/~~ function override insertion point/a set_dns() { export tunnel_dns=\$DNS; /usr/lib/qubes/qtunnel-connect up; HAVE_SET_DNS=1; }" /tmp/wg-quick 25 | ExecStartPre=/bin/sed -i "/~~ function override insertion point/a unset_dns() { /usr/lib/qubes/qtunnel-connect down; }" /tmp/wg-quick 26 | 27 | # Workaround: Allow wg access to net 28 | ExecStartPre=/sbin/iptables -P OUTPUT ACCEPT 29 | 30 | ExecStop=/tmp/wg-quick down /tmp/qtunnel.conf 31 | -------------------------------------------------------------------------------- /debian/postinst: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # postinst script for qubes-tunnel 3 | # 4 | # see: dh_installdeb(1) 5 | 6 | set -e 7 | 8 | # summary of how this script can be called: 9 | # * `configure' 10 | # * `abort-upgrade' 11 | # * `abort-remove' `in-favour' 12 | # 13 | # * `abort-remove' 14 | # * `abort-deconfigure' `in-favour' 15 | # `removing' 16 | # 17 | # for details, see https://www.debian.org/doc/debian-policy/ or 18 | # the debian-policy package 19 | 20 | 21 | case "$1" in 22 | configure) 23 | groupadd -rf qtunnel 24 | ;; 25 | 26 | abort-upgrade|abort-remove|abort-deconfigure) 27 | ;; 28 | 29 | *) 30 | echo "postinst called with unknown argument \`$1'" >&2 31 | exit 1 32 | ;; 33 | esac 34 | 35 | # dh_installdeb will replace this with shell code automatically 36 | # generated by other debhelper scripts. 37 | 38 | #DEBHELPER# 39 | 40 | exit 0 41 | -------------------------------------------------------------------------------- /rpm_spec/qubes-tunnel.spec.in: -------------------------------------------------------------------------------- 1 | Name: qubes-tunnel 2 | Version: @VERSION@ 3 | Release: @REL@%{?dist} 4 | Summary: Qubes service for simple, secure VPN tunnels. 5 | 6 | Group: Qubes 7 | License: GPL 8 | URL: http://github.com/tasket/qubes-tunnel 9 | Source0: %{name}-%{version}.tar.gz 10 | 11 | BuildRequires: make 12 | 13 | Requires: iptables 14 | Requires: openvpn 15 | Requires: qubes-core-agent-networking 16 | Requires: libnotify 17 | 18 | %description 19 | Qubes service for ProxyVMs as secure VPN tunnel gateways. Combines anti-leak 20 | firewall, DNS and systemd service that accepts config files from your 21 | VPN provider. 22 | 23 | 24 | %prep 25 | %setup -q 26 | 27 | 28 | %install 29 | rm -rf $RPM_BUILD_ROOT 30 | make install-files DESTDIR=$RPM_BUILD_ROOT 31 | 32 | %clean 33 | rm -rf $RPM_BUILD_ROOT 34 | 35 | %post 36 | groupadd -rf qtunnel 37 | systemctl daemon-reload 38 | systemctl enable qubes-tunnel.service 39 | 40 | %preun 41 | systemctl stop qubes-tunnel.service >/dev/null 2>&1 42 | systemctl disable qubes-tunnel.service 43 | systemctl daemon-reload 44 | 45 | %files 46 | /usr/lib/qubes/qtunnel-setup 47 | /usr/lib/qubes/qtunnel-connect 48 | /usr/lib/qubes/tunnel-restrict-firewall 49 | /lib/systemd/system/qubes-tunnel.service 50 | /lib/systemd/system/qubes-tunnel.service.d/ 51 | /lib/systemd/system/qubes-tunnel.service.d/00_generic.example 52 | /lib/systemd/system/qubes-tunnel.service.d/10_wg.example 53 | /etc/qubes/post-install.d/20-qubes-tunnel.sh 54 | -------------------------------------------------------------------------------- /qubes-tunnel.service: -------------------------------------------------------------------------------- 1 | ########################################################## 2 | ## Qubes tunnel service 3 | ## 4 | ## See qubes-tunnel.service.d/00_example.conf 5 | ## for example customization. 6 | 7 | [Unit] 8 | Description=Tunnel service for Qubes proxyVM 9 | ConditionPathExists=!/var/run/qubes/this-is-templatevm 10 | ConditionPathExists=/rw/config/qtunnel 11 | ConditionPathExists=/var/run/qubes-service/qubes-tunnel 12 | After=network.target qubes-firewall.service rw.mount 13 | Conflicts=shutdown.target 14 | 15 | [Service] 16 | Group=qtunnel 17 | Restart=always 18 | RestartSec=10 19 | TimeoutStopSec=2 20 | Environment="filter_opts=up|down|script-security|keepalive|persist-tun|resolv-retry|auth-user-pass" 21 | Environment="client_cmd=/usr/sbin/openvpn" 22 | Environment="client_opt1=--cd /rw/config/qtunnel/ --config /tmp/qtunnel.conf --verb 3" 23 | Environment="client_opt2=--mlock --ping 10 --ping-restart 42 --connect-retry 5 30" 24 | Environment="client_opt3=--connect-retry-max 7 --resolv-retry 15 --group qtunnel" 25 | Environment='client_opt4=--script-security 2 --up "/usr/lib/qubes/qtunnel-connect up" --down "/usr/lib/qubes/qtunnel-connect down"' 26 | Environment="client_opt5=" 27 | Environment="userpassword_opt=--auth-user-pass /tmp/tunneluserpwd.txt" 28 | 29 | ExecStartPre=/usr/lib/qubes/qtunnel-setup --check-firewall 30 | ExecStartPre=/usr/lib/qubes/qtunnel-setup --pre-start 31 | 32 | ExecStart=/usr/lib/qubes/qtunnel-setup --start-exec 33 | 34 | ExecStartPost=/usr/lib/qubes/qtunnel-setup --post-start 35 | ExecStopPost=/usr/lib/qubes/qtunnel-setup --post-stop 36 | 37 | [Install] 38 | WantedBy=multi-user.target 39 | 40 | -------------------------------------------------------------------------------- /debian/changelog: -------------------------------------------------------------------------------- 1 | qubes-tunnel (1.4.6-1) unstable; urgency=medium 2 | 3 | * 4 | 5 | -- Frédéric Pierret (fepitre) Wed, 26 Jul 2023 11:30:15 +0200 6 | 7 | qubes-tunnel (1.4.5-2) unstable; urgency=medium 8 | 9 | * Add builderv2 integration 10 | * spec: allow to bump release 11 | 12 | -- Frédéric Pierret (fepitre) Wed, 26 Jul 2023 10:52:28 +0200 13 | 14 | qubes-tunnel (1.4.5-1) unstable; urgency=medium 15 | 16 | * Ensure notify-send is available 17 | 18 | -- Frédéric Pierret (fepitre) Mon, 17 Jan 2022 10:31:15 +0100 19 | 20 | qubes-tunnel (1.4.4-1) unstable; urgency=medium 21 | 22 | [ Michael Carbone ] 23 | * fix typo in configuration 24 | 25 | [ Frédéric Pierret (fepitre) ] 26 | * spec: add BR make 27 | 28 | -- Frédéric Pierret (fepitre) Sat, 09 Oct 2021 11:43:48 +0200 29 | 30 | qubes-tunnel (1.4.3-1) unstable; urgency=medium 31 | 32 | * Fix Debian post install service 33 | 34 | -- Frédéric Pierret (fepitre) Mon, 29 Mar 2021 16:59:13 +0200 35 | 36 | qubes-tunnel (1.4.2-1) unstable; urgency=medium 37 | 38 | [ Michael Carbone ] 39 | * Update README.md 40 | 41 | [ shaaati ] 42 | * Update README.md 43 | 44 | [ Frédéric Pierret (fepitre) ] 45 | * Add .gitlab-ci.yml and drop travis 46 | * Makefile: fix 20-qubes-tunnel.sh installed as directory 47 | * Fix mangling shebangs 48 | 49 | -- Frédéric Pierret (fepitre) Sun, 21 Mar 2021 14:52:56 +0100 50 | 51 | qubes-tunnel (1.4.1-1) unstable; urgency=medium 52 | 53 | * README: update with QubesOS-contrib context 54 | * README: precise service needs to be explicitely written 55 | * Add travis 56 | * package: require 'openvpn' 57 | * README: fix typo `sys-vpn` 58 | * README: add graph example 59 | * Announce available service to Qubes 60 | 61 | -- Frédéric Pierret (fepitre) Sat, 28 Mar 2020 15:41:58 +0100 62 | 63 | qubes-tunnel (1.4.0-1) unstable; urgency=medium 64 | 65 | * Initial release (Closes: #3503) 66 | 67 | -- Christopher Laprise Sun, 16 Sep 2018 23:01:15 -0400 68 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ### qubes-tunnel service for Qubes OS 2 | 3 | Manage, run, protect VPN connections in Proxy VMs. 4 | 5 | This is closely based on the [Qubes-vpn-support](https://github.com/tasket/Qubes-vpn-support) project. 6 | 7 | ![qubes-tunnel-exa](qubes-tunnel-example.png) 8 | 9 | #### Installation: 10 | 11 | Install `qubes-repo-contrib` package using `apt-get` or `dnf` in template. Then, install `qubes-tunnel` in the same way. 12 | 13 | #### Setup 14 | 15 | 1. Create an AppVM, called for example `sys-vpn`, with the `provides network` option enabled using a template with the previously installed `qubes-tunnel` package. Make a choice for the NetVM setting, such as `sys-firewall`. 16 | 17 | 2. In `sys-vpn` settings `Services` tab, add `qubes-tunnel` service. 18 | 19 | > Note: There is no need for adding `network-manager` service. 20 | 21 | 3. As `root` or using `sudo`, in `sys-vpn` execute `/usr/lib/qubes/qtunnel-setup --config`: 22 | 23 | ``` 24 | root@sys-vpn:/home/user# /usr/lib/qubes/qtunnel-setup --config 25 | 26 | Enter VPN/tunnel login credentials. 27 | Leave blank if not required... 28 | 29 | Username: fepitre 30 | Password: 31 | 32 | Login info saved to /rw/config/qtunnel/tunneluserpwd.txt 33 | 34 | Done! 35 | Next, copy or link your config file to /rw/config/qtunnel/qtunnel.conf 36 | ``` 37 | 38 | 4. Following what's the last sentence said, still as `root` or using `sudo`, in `sys-vpn` copy the OpenVPN config file from your service provider, for example called `user_config.ovpn` to `/rw/config/qtunnel/qtunnel.conf`: 39 | 40 | ``` 41 | root@sys-vpn:/home/user# cp user_config.ovpn /rw/config/qtunnel/qtunnel.conf 42 | ``` 43 | 44 | Restart `sys-vpn`. This will autostart the VPN client and you should see a popup notification 'LINK IS UP'! 45 | 46 | Regular usage is simple: Just use `sys-vpn` as NetVM for other VMs and start them! 47 | 48 | #### Troubleshooting 49 | 50 | If when you restart `sys-vpn` instead you receive continuous popup notifications stating 'Ready to start link', you may need to troubleshoot the connection. To troubleshoot the connection, you can monitor the systemd service that controls the vpn client with `journalctl -u qubes-tunnel` and view any errors that appear. 51 | -------------------------------------------------------------------------------- /qtunnel-connect: -------------------------------------------------------------------------------- 1 | #!/usr/bin/bash 2 | 3 | ########################################################################### 4 | ## qtunnel-connect 5 | ## 6 | ## Handles DHCP-source DNS addresses & link notification for Qubes VPN VMs. 7 | ## To use, set as 'up' and 'down' script with parameter in your VPN config. 8 | ## 9 | ## Use 'tunnel_dns' environment var as override/alternative. 10 | ## In openvpn config, format is: setenv tunnel_dns 'X.X.X.X Y.Y.Y.Y [...]' 11 | ## 12 | ## Christopher Laprise, 2018 - https://github.com/tasket 13 | 14 | set -e 15 | export PATH="$PATH:/usr/sbin:/sbin:/bin" 16 | nspath=/var/run/qubes/qubes-tunnel-ns 17 | rm -f $nspath 18 | 19 | case "$1" in 20 | up|test-up) 21 | rm -f $nspath 22 | if [[ -z "$tunnel_dns" ]] ; then 23 | # Parses DHCP option variables to set DNS address translation: 24 | for optionname in ${!foreign_option_*} ; do 25 | option="${!optionname}" 26 | unset fops; fops=($option) 27 | if [ ${fops[1]} == "DNS" ] ; then tunnel_dns="${fops[2]} $tunnel_dns" ; fi 28 | done 29 | fi 30 | 31 | ;;& 32 | up) 33 | if [[ -n "$tunnel_dns" ]] ; then 34 | # Set DNS address translation in firewall: 35 | echo "$tunnel_dns " >$nspath 36 | echo "Using DNS servers $tunnel_dns" 37 | iptables -t nat -F PR-QBS 38 | # Securely restart firewall (Qubes ver <4 only) 39 | if ! iptables -L QBS-FORWARD; then 40 | systemctl restart qubes-firewall 41 | else 42 | . /var/run/qubes/qubes-ns 43 | q_addr="" 44 | for DNS in $tunnel_dns; do 45 | iptables -t nat -I PR-QBS $q_addr -i vif+ -p tcp --dport 53 -j DNAT --to $DNS 46 | iptables -t nat -I PR-QBS $q_addr -i vif+ -p udp --dport 53 -j DNAT --to $DNS 47 | q_addr="-d $NS1" 48 | done 49 | fi 50 | su - -c 'notify-send "$(hostname): LINK IS UP." --icon=network-idle' user 51 | else 52 | su - -c 'notify-send "$(hostname): LINK UP, NO DNS!" --icon=dialog-error' user 53 | fi 54 | 55 | ;; 56 | test-up) 57 | 58 | ## Use test-up parameter to test your basic VPN link before enabling firewall script. 59 | ## Do NOT use beyond testing period. 60 | if [[ -z "$tunnel_dns" ]]; then echo "NO DNS ADDRESS FOUND."; exit 0; fi 61 | [ -e /etc/resolv.vpnbak ] || cp -a /etc/resolv.conf /etc/resolv.vpnbak 62 | rm /etc/resolv.conf 63 | for DNS in $tunnel_dns; do 64 | echo "nameserver $DNS" >>/etc/resolv.conf 65 | done 66 | /usr/lib/qubes/qubes-setup-dnat-to-ns 67 | su - -c 'notify-send "$(hostname): TEST LINK IS UP." --icon=network-idle' user 68 | 69 | ;; 70 | down) 71 | iptables -t nat -F PR-QBS 72 | su - -c 'notify-send "$(hostname): LINK IS DOWN !" --icon=dialog-error' user 73 | 74 | ;; 75 | esac 76 | -------------------------------------------------------------------------------- /tunnel-restrict-firewall: -------------------------------------------------------------------------------- 1 | #!/usr/bin/sh 2 | 3 | ######################################################################## 4 | ## 5 | ## tunnel-restrict-firewall 6 | ## Configure Qubes firewall for use with a tunnel such as OpenVPN. 7 | ## 8 | ## Note: For customization, add rules to a filename in firewall.d 9 | ## other than '90_tunnel-restrict'. 10 | 11 | 12 | correct_ips() { 13 | # Correct the 10.137.x.x nameserver IPs in FORWARD chain (Qubes 3.x) 14 | . /var/run/qubes/qubes-ns 15 | nspath=/var/run/qubes/qubes-tunnel-ns 16 | if [ -f $nspath ]; then 17 | iptables-save -t filter >/tmp/qtunnel-fw-filter 18 | read vpn_dns <$nspath ; nsend=1 19 | q_addr="" 20 | for DNS in $vpn_dns; do 21 | sed -i -r 's/(-A FORWARD.+-d )10\.137\.[0-9]+\.'$nsend'(.+dport 53 -j ACCEPT)$/\1'$DNS'\2/' \ 22 | /tmp/qtunnel-fw-filter 23 | nsend=254 24 | # workaround for Qubes 3.x: 25 | iptables -t nat -I PR-QBS $q_addr -i vif+ -p tcp --dport 53 -j DNAT --to $DNS 26 | iptables -t nat -I PR-QBS $q_addr -i vif+ -p udp --dport 53 -j DNAT --to $DNS 27 | q_addr="-d $NS1" 28 | done 29 | iptables-restore -T filter /dev/null 2>&1; then 67 | exit 0 68 | fi 69 | 70 | # Prevent accidental communications from within VPN VM to net; 71 | # The gid-owner rule requires net programs be run with group ID 'qtunnel' 72 | # to allow outbound traffic. 73 | iptables -P OUTPUT DROP 74 | iptables -I OUTPUT -o lo -j ACCEPT 75 | iptables -I OUTPUT -p all -o eth0 -m owner --gid-owner qtunnel -j ACCEPT 76 | 77 | ip6tables -P OUTPUT DROP 78 | ip6tables -I OUTPUT -o lo -j ACCEPT 79 | ip6tables -I OUTPUT -p all -o eth0 -m owner --gid-owner qtunnel -j ACCEPT 80 | 81 | -------------------------------------------------------------------------------- /qtunnel-setup: -------------------------------------------------------------------------------- 1 | #!/usr/bin/sh 2 | export PATH="$PATH:/usr/sbin:/sbin:/bin" 3 | [ `id -u` -eq 0 ] || exit 1 4 | 5 | qtunpath=/rw/config/qtunnel 6 | upfile=tunneluserpwd.txt 7 | tmppath=/tmp/$upfile 8 | 9 | do_userpass () { 10 | bash /usr/lib/qubes/qtunnel-setup --userpass-bash 11 | } 12 | 13 | # Need bash for password prompt 14 | do_userpass_bash () { 15 | echo 16 | echo "Enter VPN/tunnel login credentials." 17 | echo "Leave blank if not required..." 18 | echo 19 | read -p "Username: " username 20 | read -s -p "Password: " upassword 21 | echo 22 | if [[ -z $username && -z $upassword ]]; then 23 | touch $qtunpath/no-$upfile 24 | rm -f $qtunpath/$upfile 25 | echo "Password login deactivated." 26 | else 27 | rm -f $qtunpath/no-$upfile 28 | echo "$username" >$tmppath.tmp 29 | echo "$upassword" >>$tmppath.tmp 30 | chmod 600 $tmppath.tmp 31 | mv $tmppath.tmp $tmppath 32 | cp -a $tmppath $qtunpath/$upfile 33 | echo -e "\nLogin info saved to $qtunpath/$upfile" 34 | fi 35 | sleep 1s 36 | echo 37 | } 38 | 39 | # needs source dir passed as first arg 40 | firewall_link () { 41 | if iptables -L QBS-FORWARD >/dev/null; then 42 | # firewall for Qubes 4 43 | mkdir -p /rw/config/qubes-firewall.d 44 | ln -s -f $1/tunnel-restrict-firewall \ 45 | /rw/config/qubes-firewall.d/90_tunnel-restrict 46 | else 47 | ln -s -f -b $1/tunnel-restrict-firewall \ 48 | /rw/config/qubes-firewall-user-script 49 | fi 50 | } 51 | 52 | 53 | case "$1" in 54 | 55 | --pre-start) 56 | # Check for login file and prompt if necessary. 57 | if [ ! -f $qtunpath/$upfile ] && [ ! -f $qtunpath/no-$upfile ]; then 58 | if [ ! -f /tmp/qtunnel-askpass ]; then 59 | systemd-run --unit=qtunnel-askpass -E DISPLAY=:0 sh -c \ 60 | 'sleep 2s; /usr/bin/xterm \ 61 | -T "Tunnel Login" -e /usr/lib/qubes/qtunnel-setup --xterm' 62 | fi 63 | elif [ ! -f $tmppath ] && [ ! -f $qtunpath/no-$upfile ]; then 64 | cp -aL $qtunpath/$upfile $tmppath.tmp 65 | mv $tmppath.tmp $tmppath 66 | fi 67 | if [ -n "$filter_opts" ]; then 68 | # workaround for option parser bugs and overrides: 69 | # process config to remove options. 70 | grep -Ev '^[[:space:]]*('"$filter_opts"')[[:space:]]*' \ 71 | $qtunpath/qtunnel.conf >/tmp/qtunnel.conf 72 | else 73 | cp -aL $qtunpath/qtunnel.conf /tmp 74 | fi 75 | sync 76 | su - -c 'notify-send "$(hostname): Ready to start link."' user 77 | ;; 78 | 79 | --start-exec) 80 | if [ -f $qtunpath/no-$upfile ]; then 81 | userpassword_opt="" 82 | fi 83 | echo EXEC $client_cmd $client_opt1 $client_opt2 $client_opt3 $client_opt4 \ 84 | $client_opt5 $userpassword_opt 85 | eval $client_cmd $client_opt1 $client_opt2 $client_opt3 $client_opt4 \ 86 | $client_opt5 $userpassword_opt 87 | ;; 88 | 89 | --post-start) 90 | echo "START-ing network forwarding!" 91 | echo '1' > /proc/sys/net/ipv4/ip_forward 92 | # '0' appears to be default setting for ipv6 93 | # echo '1' > /proc/sys/net/ipv6/conf/all/forwarding 94 | ;; 95 | 96 | --check-firewall) 97 | for i in 1 2 3; do 98 | if iptables -C FORWARD -o eth0 -j DROP \ 99 | && iptables -C FORWARD -i eth0 -j DROP ; then 100 | exit 0 101 | elif [ $i = 3 ]; then 102 | echo "Error: Firewall rule(s) not enabled!" 103 | exit 1 104 | fi 105 | sleep 2s 106 | done 107 | ;; 108 | 109 | --post-stop) 110 | echo "STOP-ing network forwarding!" 111 | echo '0' > /proc/sys/net/ipv4/ip_forward 112 | echo '0' > /proc/sys/net/ipv6/conf/all/forwarding 113 | ;; 114 | 115 | --config) 116 | . /usr/lib/qubes/init/functions 117 | if is_proxyvm ; then 118 | mkdir -p $qtunpath 119 | firewall_link /usr/lib/qubes 120 | do_userpass 121 | echo "Done!" 122 | if [ ! -e $qtunpath/qtunnel.conf ]; then 123 | echo "Next, copy or link your config file to $qtunpath/qtunnel.conf" 124 | fi 125 | else 126 | echo "Error: Not a proxyVM. Please check instructions." 127 | exit 1 128 | fi 129 | ;; 130 | 131 | --config-nm) 132 | . /usr/lib/qubes/init/functions 133 | if is_proxyvm ; then 134 | firewall_link /usr/lib/qubes 135 | echo "Done!" 136 | else 137 | echo "Error: Not a proxyVM. Please check instructions." 138 | exit 1 139 | fi 140 | ;; 141 | 142 | --xterm) 143 | touch /tmp/qtunnel-askpass 144 | do_userpass 145 | ;; 146 | 147 | --userpass-bash) 148 | do_userpass_bash 149 | ;; 150 | 151 | --version) 152 | echo "1.4.0" 153 | ;; 154 | 155 | esac 156 | 157 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU LESSER GENERAL PUBLIC LICENSE 2 | Version 2.1, February 1999 3 | 4 | Copyright (C) 1991, 1999 Free Software Foundation, Inc. 5 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | [This is the first released version of the Lesser GPL. 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