mirror of
https://github.com/tommytran732/QubesOS-Scripts
synced 2024-11-08 11:51:34 -05:00
Tommy
5500bc5164
The nonsense with umask is introduced by Canonical's infinite wisdom: https://git.launchpad.net/ubuntu/+source/pam/tree/debian/patches/pam_umask_usergroups_from_login.defs.patch?h=ubuntu/noble https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=583958 We don't need to break sensible distributions because of Ubuntu nonsenses
136 lines
5.9 KiB
Bash
136 lines
5.9 KiB
Bash
#!/bin/sh
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# Copyright (C) 2022-2024 Thien Tran
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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set -e
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unpriv(){
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sudo -u nobody "$@"
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}
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# Compliance
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sudo systemctl mask debug-shell.service
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# Setting umask to 077
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# Does not actually work for some reason - need to check
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umask 077
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sudo sed -i 's/^UMASK.*/UMASK 077/g' /etc/login.defs
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sudo sed -i 's/^HOME_MODE/#HOME_MODE/g' /etc/login.defs
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sudo sed -i 's/umask 022/umask 077/g' /etc/bashrc
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# Make home directory private
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sudo chmod 700 /home/*
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# Harden SSH
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unpriv curl -s --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/ssh/ssh_config.d/10-custom.conf | sudo tee /etc/ssh/ssh_config.d/10-custom.conf > /dev/null
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sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
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# Disable coredump
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unpriv curl -s --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/security/limits.d/30-disable-coredump.conf | sudo tee /etc/security/limits.d/30-disable-coredump.conf > /dev/null
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# Setup dconf
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umask 022
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mkdir -p /etc/dconf/db/local.d/locks
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unpriv curl -s --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/locks/automount-disable | sudo tee /etc/dconf/db/local.d/locks/automount-disable > /dev/null
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unpriv curl -s --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/locks/privacy | sudo tee /etc/dconf/db/local.d/locks/privacy > /dev/null
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unpriv curl -s --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/adw-gtk3-dark | sudo tee /etc/dconf/db/local.d/adw-gtk3-dark > /dev/null
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unpriv curl -s --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/automount-disable | sudo tee /etc/dconf/db/local.d/automount-disable > /dev/null
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unpriv curl -s --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/prefer-dark | sudo tee /etc/dconf/db/local.d/prefer-dark > /dev/null
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unpriv curl -s --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/privacy | sudo tee /etc/dconf/db/local.d/privacy > /dev/null
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sudo dconf update
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umask 077
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# Avoid phased updates
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unpriv curl -s --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/apt/apt.conf.d/99sane-upgrades | sudo tee /etc/apt/apt.conf.d/99sane-upgrades > /dev/null
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sudo chmod 644 /etc/apt/apt.conf.d/99sane-upgrades
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sudo apt update -y
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sudo apt full-upgrade -y
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sudo apt autoremove -y
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# Debloat
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# Remove unnecessary stuff from the Qubes template
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sudo apt purge -y gnome-software thunderbird keepassxc
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# Remove Network + hardware tools packages
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sudo apt purge -y avahi* cups* '*nfs*' rygel '*smtp*' system-config-printer* '*telnet*'
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# Remove support for some languages and spelling
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sudo apt purge -y '*speech*'
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# Remove codec + image + printers
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sudo apt purge -y ImageMagick* sane* simple-scan
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# Remove Active Directory + Sysadmin + reporting tools
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sudo apt purge -y realmd
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# Remove unnecessary network tools
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sudo apt purge -y ifupdown mobile-broadband-provider-info modemmanager
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# Remove Gnome apps
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sudo apt purge -y baobab chrome-gnome-shell eog gnome-calculator gnome-calendar gnome-characters gnome-clocks gnome-color-manager \
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gnome-contacts gnome-disk-utility gnome-font-viewer gnome-logs gnome-maps gnome-music gnome-remote-desktop gnome-shell-extensions \
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gnome-sound-recorder gnome-tweaks gnome-user-share gnome-weather totem
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# Remove apps
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sudo apt purge -y cheese evince evolution file-roller* firefox* libreoffice* seahorse shotwell synaptic* rhythmbox yelp
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# Remove other packages
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sudo apt purge -y cron lvm2 lynx '*vmware*' xserver-xephyr xsettingsd
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sudo apt autoremove -y
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sudo apt autoclean
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# Add console group
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sudo groupadd --system console
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sudo usermod -aG console user
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# Add extrepo
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sudo apt install -y extrepo
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# Adding KickSecure's repo
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sudo http_proxy=http://127.0.0.1:8082 https_proxy=http://127.0.0.1:8082 extrepo enable kicksecure
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# Distribution morphing
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sudo apt update
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sudo apt full-upgrade -y
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sudo apt install --no-install-recommends kicksecure-qubes-cli -y
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sudo apt autoremove -y
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sudo repository-dist --enable --repository stable-proposed-updates
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sudo extrepo disable kicksecure
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sudo mv /etc/apt/sources.list ~/
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sudo touch /etc/apt/sources.list
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#Enabling SUID Disabler and Permission Hardener
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sudo systemctl enable --now permission-hardening
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# Restrict /proc and access
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sudo systemctl enable --now proc-hidepid.service
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# Reduce kernel information leaks
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# Will break a lot of applications. The apps I use on KickSecure work fine with it so I am enabling it.
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sudo systemctl enable --now hide-hardware-info.service
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# Install packages
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sudo apt install --no-install-recommends adw-gtk3-theme gnome-console loupe qubes-ctap qubes-gpg-split -y
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# Flatpak update service
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unpriv curl -s --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/QubesOS-Scripts/main/etc/systemd/user/update-user-flatpaks.service | sudo tee /etc/systemd/user/update-user-flatpaks.service > /dev/null
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unpriv curl -s --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/QubesOS-Scripts/main/etc/systemd/user/update-user-flatpaks.timer | sudo tee /etc/systemd/user/update-user-flatpaks.timer > /dev/null |