freifunk/Firmware-building Changeset - 7ba5b9c8f5fa · Chaos Computer Club Lëtzebuerg Projects

Changeset - 7ba5b9c8f5fa

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x - 1 month ago 2025-09-12 14:27:18
xbr@c3l.lu

refactor: putting content into files w/ permissions and owner

1 file changed with 11 insertions and 4 deletions:

build_script/freifunk_root.sh

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build_script/freifunk_root.sh

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 log() {
     printf "\033[33m[-] %s\033[0m\n" "$@"
+}
 install_packages() {
     log "Installing packages..."
     apt update && apt upgrade -y
     # Installing QoL packages (1) then gluon deps (2)
     # ! Debian 13-specific !
     apt install -y htop tmux vim sudo mosh \
                 git python3 python-is-python3 python3-setuptools build-essential ecdsautils gawk unzip libncurses5-dev zlib1g-dev libssl-dev libelf-dev wget rsync time qemu-utils
+}
 create_user() {
     log "Creating user..."
     # user: forcing bash, and needs (passwordless) sudo
     useradd -ms /bin/bash -G sudo $username
     # enabling passwordless sudo
     sed -i /etc/sudoers -re 's/^%sudo.*/%sudo ALL=(ALL:ALL) NOPASSWD: ALL/g'
+}
 put_into_file() {
     file_path=$1
     permissions=$2
     owner=$3
     cat >> "$file_path"
     chmod -v "$permissions" "$file_path"
     chown "$owner" "$file_path"
+}
 ssh_setup() {
     log "Setting up SSH..."
     sudo -u user ssh-keygen -t ed25519 -N '' -C 'freifunk-builder' < /dev/zero
     home_dir=""; eval home_dir=~$username
     echo "$ssh_login_key" >> "$home_dir/.ssh/authorized_keys"
     chmod -v 600 "$home_dir/.ssh/authorized_keys"
     echo "$projects_c3l_pubkey" >> "$home_dir/.ssh/known_hosts"
     chmod -v 644 "$home_dir/.ssh/known_hosts"
     echo "$ssh_login_key" | put_into_file "$home_dir/.ssh/authorized_keys" 600 $username:$username
     echo "$projects_c3l_pubkey" | put_into_file "$home_dir/.ssh/known_hosts" 644 $username:$username
     echo
     log "The user's SSH pubkey is the following:"
     printf "\n\033[32;1m"
     cat "$home_dir/.ssh/id_ed25519.pub"
     printf "\033[0m\n"
     log "Do not forget to add it to projects.c3l.lu"
+}
 install_packages
 create_user
 ssh_setup

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