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Better umask handling

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Signed-off-by: Tommy <contact@tommytran.io>
This commit is contained in:
Tommy
2024-05-29 12:49:37 -07:00
parent 1bb5faff81
commit 4200946a8d
5 changed files with 40 additions and 5 deletions
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10
debian-gnome/debian-gnome.sh
View File

@@ -22,9 +22,15 @@ unpriv(){
sudo systemctl mask debug-shell.service sudo systemctl mask debug-shell.service
# Setting umask to 077 # Setting umask to 077
# Does not actually work for some reason - need to check
umask 077 umask 077
#This line is broken on the Debian templates for some reason - further debugging needed. sudo sed -i 's/^UMASK.*/UMASK 077/g' /etc/login.defs
echo 'umask 077' | sudo tee -a /etc/bash.bashrc sudo sed -i 's/^HOME_MODE/#HOME_MODE/g' /etc/login.defs
sudo sed -i 's/^USERGROUPS_ENAB.*/USERGROUPS_ENAB no/g' /etc/login.defs
sudo sed -i 's/umask 022/umask 077/g' /etc/bashrc
# Make home directory private
sudo chmod 700 /home/*
# Harden SSH # Harden SSH
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 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

4
fedora-gnome/fedora-gnome.sh
View File

@@ -24,8 +24,10 @@ sudo systemctl mask kdump.service
# Setting umask to 077 # Setting umask to 077
umask 077 umask 077
sudo sed -i 's/^UMASK.*/UMASK 077/g' /etc/login.defs
sudo sed -i 's/^HOME_MODE/#HOME_MODE/g' /etc/login.defs
sudo sed -i 's/^USERGROUPS_ENAB.*/USERGROUPS_ENAB no/g' /etc/login.defs
sudo sed -i 's/umask 022/umask 077/g' /etc/bashrc sudo sed -i 's/umask 022/umask 077/g' /etc/bashrc
echo 'umask 077' | sudo tee -a /etc/bashrc
# Make home directory private # Make home directory private
sudo chmod 700 /home/* sudo chmod 700 /home/*

9
fedora-minimal/fedora-minimal.sh
View File

@@ -24,8 +24,13 @@ systemctl mask kdump.service
# Setting umask to 077 # Setting umask to 077
umask 077 umask 077
sed -i 's/umask 022/umask 077/g' /etc/bashrc sudo sed -i 's/^UMASK.*/UMASK 077/g' /etc/login.defs
echo 'umask 077' | tee -a /etc/bashrc sudo sed -i 's/^HOME_MODE/#HOME_MODE/g' /etc/login.defs
sudo sed -i 's/^USERGROUPS_ENAB.*/USERGROUPS_ENAB no/g' /etc/login.defs
sudo sed -i 's/umask 022/umask 077/g' /etc/bashrc
# Make home directory private
sudo chmod 700 /home/*
# Disable timesyncd # Disable timesyncd
systemctl disable --now systemd-timesyncd systemctl disable --now systemd-timesyncd

11
whonix/whonix-gw.sh
View File

@@ -18,6 +18,17 @@ unpriv(){
sudo -u nobody "$@" sudo -u nobody "$@"
} }
# Setting umask to 077
# Does not actually work for some reason - need to check
umask 077
sudo sed -i 's/^UMASK.*/UMASK 077/g' /etc/login.defs
sudo sed -i 's/^HOME_MODE/#HOME_MODE/g' /etc/login.defs
sudo sed -i 's/^USERGROUPS_ENAB.*/USERGROUPS_ENAB no/g' /etc/login.defs
sudo sed -i 's/umask 022/umask 077/g' /etc/bashrc
# Make home directory private
sudo chmod 700 /home/*
# Avoid phased updates # Avoid phased updates
unpriv curl --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 unpriv curl --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
sudo chmod 644 /etc/apt/apt.conf.d/99sane-upgrades sudo chmod 644 /etc/apt/apt.conf.d/99sane-upgrades

11
whonix/whonix-ws.sh
View File

@@ -18,6 +18,17 @@ unpriv(){
sudo -u nobody "$@" sudo -u nobody "$@"
} }
# Setting umask to 077
# Does not actually work for some reason - need to check
umask 077
sudo sed -i 's/^UMASK.*/UMASK 077/g' /etc/login.defs
sudo sed -i 's/^HOME_MODE/#HOME_MODE/g' /etc/login.defs
sudo sed -i 's/^USERGROUPS_ENAB.*/USERGROUPS_ENAB no/g' /etc/login.defs
sudo sed -i 's/umask 022/umask 077/g' /etc/bashrc
# Make home directory private
sudo chmod 700 /home/*
# Avoid phased updates # Avoid phased updates
unpriv curl --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 unpriv curl --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
sudo chmod 644 /etc/apt/apt.conf.d/99sane-upgrades sudo chmod 644 /etc/apt/apt.conf.d/99sane-upgrades