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|
#!/bin/bash
set -euo pipefail
abort() {
printf "\033[31m%s\033[0m\n" "$@" >&2
exit 1
}
log() {
printf "%s\n" "$@"
}
ensure_visudo() {
if ! command -v visudo >/dev/null 2>&1; then
log "visudo was not found"
log "Please install visudo for your distro"
abort "sudo must be installed"
fi
}
ensure_curl() {
if ! command -v curl >/dev/null 2>&1; then
log "curl was not found"
log "Please install curl for your distro"
abort "curl must be installed"
fi
}
ensure_acl() {
if ! command -v setfacl >/dev/null 2>&1; then
log "ACL tools not found"
log "Please install acl for your distro"
abort "setfacl must be installed"
fi
}
ensure_wg() {
if ! command -v wg >/dev/null 2>&1; then
log "Wireguard tools not found"
log "Please install wireguard for your distro"
abort "wg/wg-quick must be installed"
fi
WIREGUARD_PATH="$(which wg)"
WIREGUARD_QUICK_PATH="$(which wg-quick)"
}
ensure_systemd() {
if ! systemctl --version >/dev/null 2>&1; then
abort "systemd is required but not available"
fi
}
ensure_sudo() {
if [ "$EUID" -ne 0 ]; then
abort "Must be run as sudo"
fi
}
get_arch() {
ARCH=$(uname -m)
case $ARCH in
x86_64) ARCH="amd64" ;;
aarch64) ARCH="arm64" ;;
armv7l) ARCH="arm" ;;
*) abort "Unsupported architecture: $ARCH" ;;
esac
log "Architecture: $ARCH"
}
get_version() {
if [ "$VERSION" = "latest" ]; then
RELEASE_URL="https://api.github.com/repos/a14m/wg-portal/releases/latest"
VERSION=$(curl -s "$RELEASE_URL" | grep '"tag_name":' | cut -d '"' -f 4)
log "Latest version: $VERSION"
fi
}
validate_version() {
if [[ ! "$VERSION" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]] && [ "$VERSION" != "latest" ]; then
abort "Invalid version format: $VERSION (valid format example v1.0.0)"
fi
}
create_tmp() {
TMP_DIR=$(mktemp -d)
trap 'rm -rf $TMP_DIR' EXIT
}
download_binary() {
log "Downloading wg-portal binary"
DOWNLOAD_URL="https://github.com/a14m/wg-portal/releases/download/$VERSION/wg-portal-linux-${ARCH}"
if ! timeout 120 curl -s -L -o "$TMP_DIR/wg-portal" "$DOWNLOAD_URL"; then
log "Failed to download $DOWNLOAD_URL"
abort "Failed to download wg-portal binary"
fi
log "Downloaded $TMP_DIR/wg-portal"
}
download_systemd_service() {
log "Downloading wg-portal.service"
DOWNLOAD_SERVICE_URL="https://git.sr.ht/~a14m/wg-portal/blob/$VERSION/deployment/wg-portal.service"
if ! timeout 30 curl -s -L -o "$TMP_DIR/wg-portal.service" "$DOWNLOAD_SERVICE_URL"; then
log "Failed to download $DOWNLOAD_SERVICE_URL"
abort "Failed to download wg-portal.service"
fi
log "Downloaded $TMP_DIR/wg-portal.service"
}
create_system_user() {
if ! id -u wg-portal >/dev/null 2>&1; then
log "Creating wg-portal system user and group..."
useradd --system --no-create-home --shell /usr/sbin/nologin wg-portal
else
log "User wg-portal already exists"
fi
}
create_etc_directory() {
log "Creating /etc/wg-portal directory..."
mkdir -p /etc/wg-portal
chown root:wg-portal /etc/wg-portal
chmod 750 /etc/wg-portal
}
configure_access_control() {
log "Configure ACL for /etc/wireguard"
setfacl -R -m g:wg-portal:r /etc/wireguard
log "Setting up wg-portal user/group sudo permissions"
cat > "$TMP_DIR/wg-portal-sudoers" << EOF
%wg-portal ALL=(ALL) NOPASSWD: ${WIREGUARD_QUICK_PATH} up *, ${WIREGUARD_QUICK_PATH} down *
%wg-portal ALL=(ALL) NOPASSWD: ${WIREGUARD_PATH} show
EOF
# Validate before installing
if visudo -c -f "$TMP_DIR/wg-portal-sudoers"; then
mv "$TMP_DIR/wg-portal-sudoers" /etc/sudoers.d/wg-portal
chmod 440 /etc/sudoers.d/wg-portal
else
abort "Invalid sudoers configuration"
fi
}
install_binary() {
log "Installing wg-portal binary to /etc/wg-portal"
chmod +x "$TMP_DIR/wg-portal"
mv "$TMP_DIR/wg-portal" /etc/wg-portal
}
install_systemd_service() {
log "Installing wg-portal systemd service..."
mv "$TMP_DIR/wg-portal.service" /etc/systemd/system/wg-portal.service
systemctl daemon-reload
systemctl enable wg-portal
log "Service installed and enabled"
}
show_completion_message() {
log ""
log "wg-portal installed successfully!"
log ""
log "Configuration:"
log " - Configuration file: /etc/wg-portal/config"
log ""
log "Service Information:"
log " - Binary installed: /etc/wg-portal/wg-portal"
log " - Service: wg-portal.service (enabled)"
log " - User: wg-portal (system user)"
log ""
log "Useful Commands:"
log " - Check status: systemctl status wg-portal"
log " - View logs: journalctl -u wg-portal -f"
log " - Restart: systemctl restart wg-portal"
log " - Stop: systemctl stop wg-portal"
log ""
log "Next steps:"
log " - Configure: /etc/wg-portal/config"
log " - Start Service: systemctl start wg-portal"
}
# Configuration
VERSION=${1:-latest}
# Main
ensure_visudo
ensure_curl
ensure_acl
ensure_wg
ensure_systemd
ensure_sudo
get_arch
get_version
validate_version
create_tmp
download_binary
download_systemd_service
create_system_user
create_etc_directory
configure_access_control
install_binary
install_systemd_service
show_completion_message
|
