mirror of
https://github.com/tommytran732/QubesOS-Scripts
synced 2024-11-23 02:01:32 -05:00
150 lines
9.0 KiB
Bash
150 lines
9.0 KiB
Bash
#!/bin/bash
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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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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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sudo systemctl mask kdump.service
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# Setting umask to 077
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umask 077
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sudo sed -i 's/umask 022/umask 077/g' /etc/bashrc
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echo 'umask 077' | sudo tee -a /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 --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
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sudo chmod 644 /etc/ssh/ssh_config.d/10-custom.conf
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# Security kernel settings
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unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/etc/modprobe.d/30_security-misc.conf | sudo tee /etc/modprobe.d/30_security-misc.conf
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sudo chmod 644 /etc/modprobe.d/30_security-misc.conf
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sudo sed -i 's/#install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
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unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf | sudo tee /etc/sysctl.d/990-security-misc.conf
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sudo chmod 644 /etc/sysctl.d/990-security-misc.conf
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sudo sed -i 's/kernel.yama.ptrace_scope=2/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
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unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf | sudo tee /etc/sysctl.d/30_silent-kernel-printk.conf
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sudo chmod 644 /etc/sysctl.d/30_silent-kernel-printk.conf
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unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf | sudo tee /etc/sysctl.d/30_security-misc_kexec-disable.conf
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sudo chmod 644 /etc/sysctl.d/30_security-misc_kexec-disable.conf
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# Dracut doesn't seem to work - need to investigate
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# dracut -f
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sudo sysctl -p
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# Disable coredump
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unpriv curl --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
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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 --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
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unpriv curl --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
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unpriv curl --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
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unpriv curl --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
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unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/button-layout | sudo tee /etc/dconf/db/local.d/button-layout
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unpriv curl --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
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unpriv curl --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
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unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dconf/db/local.d/touchpad | sudo tee /etc/dconf/db/local.d/touchpad
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sudo dconf update
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umask 077
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# Setup DNF
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unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/dnf/dnf.conf | sudo tee /etc/dnf/dnf.conf
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sudo sed -i 's/^metalink=.*/&\&protocol=https/g' /etc/yum.repos.d/*
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# Remove unnecessary stuff from the Qubes template
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sudo dnf -y remove thunderbird httpd keepassxc rygel
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# Remove firefox packages
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sudo dnf -y remove fedora-bookmarks fedora-chromium-config firefox mozilla-filesystem
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# Remove Network + hardware tools packages
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sudo dnf -y remove '*cups' nmap-ncat nfs-utils nmap-ncat openssh-server net-snmp-libs net-tools opensc traceroute rsync tcpdump teamd geolite2* mtr dmidecode sgpio
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# Remove support for some languages and spelling
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sudo dnf -y remove ibus-typing-booster '*speech*' '*zhuyin*' '*pinyin*' '*m17n*' '*hangul*' '*anthy*' words
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# Remove codec + image + printers
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sudo dnf -y remove openh264 ImageMagick* sane* simple-scan
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# Remove Active Directory + Sysadmin + reporting tools
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sudo dnf -y remove 'sssd*' realmd cyrus-sasl-gssapi quota* dos2unix kpartx sos samba-client gvfs-smb
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# Remove vm and virtual stuff
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sudo dnf -y remove 'podman*' '*libvirt*' 'open-vm*' qemu-guest-agent 'hyperv*' spice-vdagent virtualbox-guest-additions vino xorg-x11-drv-vmware xorg-x11-drv-amdgpu
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# Remove NetworkManager
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sudo dnf -y remove NetworkManager-pptp-gnome NetworkManager-ssh-gnome NetworkManager-openconnect-gnome NetworkManager-openvpn-gnome NetworkManager-vpnc-gnome ppp* ModemManager
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# Remove Gnome apps
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sudo dnf remove -y chrome-gnome-shell eog gnome-photos gnome-connections gnome-tour gnome-themes-extra gnome-screenshot gnome-remote-desktop gnome-font-viewer gnome-calculator gnome-calendar gnome-contacts \
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gnome-maps gnome-weather gnome-logs gnome-boxes gnome-disk-utility gnome-clocks gnome-color-manager gnome-characters baobab totem \
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gnome-shell-extension-background-logo gnome-shell-extension-apps-menu gnome-shell-extension-launch-new-instance gnome-shell-extension-places-menu gnome-shell-extension-window-list \
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gnome-classic* gnome-user* gnome-text-editor loupe snapshot
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# Remove apps
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sudo dnf remove -y rhythmbox yelp evince libreoffice* cheese file-roller* mediawriter
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# Remove other packages
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# We deviate from the script in TommyTran732/Linux-Setup-Scripts here, as removing yajl will break qubes integration.
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sudo dnf remove -y lvm2 rng-tools thermald '*perl*'
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# Disable openh264 repo
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sudo dnf config-manager --set-disabled fedora-cisco-openh264
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# Update packages
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sudo dnf -y upgrade
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# Install custom packages
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sudo dnf install qubes-ctap qubes-gpg-split adw-gtk3-theme gnome-console -y
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# Flatpak update service
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unpriv curl --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
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unpriv curl --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
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# Systemd hardening
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sudo mkdir -p /etc/systemd/system/ModemManager.service.d
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unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/divestedcg/Brace/master/brace/usr/lib/systemd/system/ModemManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/ModemManager.service.d/99-brace.conf
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# Setup hardened_malloc
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sudo dnf install 'https://divested.dev/rpm/fedora/divested-release-20231210-2.noarch.rpm' -y
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sudo sed -i 's/^metalink=.*/&?protocol=https/g' /etc/yum.repos.d/divested-release.repo
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sudo dnf config-manager --save --setopt=divested.includepkgs=divested-release,real-ucode,microcode_ctl,amd-ucode-firmware,hardened_malloc
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sudo dnf install hardened_malloc -y
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echo 'libhardened_malloc.so' | sudo tee /etc/ld.so.preload
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# Setup networking
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unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/00-macrandomize.conf | sudo tee /etc/NetworkManager/conf.d/00-macrandomize.conf
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unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/TommyTran732/Linux-Setup-Scripts/main/etc/NetworkManager/conf.d/01-transient-hostname.conf | sudo tee /etc/NetworkManager/conf.d/01-transient-hostname.conf
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# Can't do nmcli reload here because NetworkManager is not running in a TemplateVM
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# sudo nmcli general reload conf
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sudo hostnamectl hostname 'localhost'
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sudo hostnamectl --transient hostname ''
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sudo mkdir -p /etc/systemd/system/NetworkManager.service.d
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unpriv curl --proxy http://127.0.0.1:8082 https://gitlab.com/divested/brace/-/raw/master/brace/usr/lib/systemd/system/NetworkManager.service.d/99-brace.conf | sudo tee /etc/systemd/system/NetworkManager.service.d/99-brace.conf
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sudo systemctl daemon-reload
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sudo systemctl restart NetworkManager |