PTah
88 lines
2.3 KiB
Bash
Executable File
88 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# UFW для HAProxy: SSH и stats из SSH_ALLOWED, 80/443 для всех.
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# Dry-run по умолчанию; --apply для включения.
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#
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# cp haproxy-ufw.env.example /etc/haproxy/security/haproxy-ufw.env
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# ./haproxy-ufw-apply.sh
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# ./haproxy-ufw-apply.sh --apply
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set -Eeuo pipefail
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ENV_FILE="${HAPROXY_UFW_ENV:-/etc/haproxy/security/haproxy-ufw.env}"
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APPLY=0
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die() { echo "error: $*" >&2; exit 1; }
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log() { echo "[*] $*"; }
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usage() {
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cat <<'EOF'
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Usage: haproxy-ufw-apply.sh [--apply] [--env-file PATH]
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--apply выполнить ufw enable/reset (иначе только показ команд)
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--env-file путь к env (default: /etc/haproxy/security/haproxy-ufw.env)
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EOF
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}
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--apply) APPLY=1; shift ;;
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--env-file) ENV_FILE=$2; shift 2 ;;
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-h | --help) usage; exit 0 ;;
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*) die "unknown option: $1" ;;
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esac
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done
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[[ -f $ENV_FILE ]] || die "missing env: $ENV_FILE (copy from haproxy-ufw.env.example)"
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# shellcheck source=/dev/null
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source "$ENV_FILE"
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SSH_ALLOWED=${SSH_ALLOWED:-}
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INBOUND_TCP=${INBOUND_TCP:-80 443}
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LAN_BACKENDS_CIDR=${LAN_BACKENDS_CIDR:-192.168.160.0/24}
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STATS_TCP=${STATS_TCP:-8404}
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UFW_IPV6=${UFW_IPV6:-no}
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[[ -n $SSH_ALLOWED ]] || die "SSH_ALLOWED is empty — lockout risk"
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command -v ufw >/dev/null 2>&1 || die "ufw not installed (apt install ufw)"
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run() {
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log "$*"
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[[ $APPLY -eq 1 ]] && "$@"
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}
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if [[ $APPLY -eq 0 ]]; then
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echo "=== DRY-RUN (pass --apply to execute) ==="
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fi
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if [[ $APPLY -eq 1 ]]; then
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sed -i "s/^IPV6=.*/IPV6=${UFW_IPV6}/" /etc/default/ufw 2>/dev/null || true
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fi
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run ufw --force reset
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run ufw default deny incoming
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run ufw default allow outgoing
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for cidr in $SSH_ALLOWED; do
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run ufw allow from "$cidr" to any port 22 proto tcp comment 'admin ssh'
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for port in $STATS_TCP; do
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run ufw allow from "$cidr" to any port "$port" proto tcp comment 'haproxy stats'
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done
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done
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for port in $INBOUND_TCP; do
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run ufw allow "$port/tcp" comment "haproxy service $port"
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done
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if [[ -n ${LAN_BACKENDS_CIDR:-} ]]; then
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run ufw allow from "$LAN_BACKENDS_CIDR" comment 'LAN backends return'
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fi
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if [[ $APPLY -eq 1 ]]; then
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ufw --force enable
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ufw status verbose
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log "done"
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else
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echo "=== end dry-run ==="
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fi
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