eac77ef7b4
Collection of operational skills for VaultMesh infrastructure including: - backup-sovereign: Backup and recovery operations - btc-anchor: Bitcoin anchoring - cloudflare-tunnel-manager: Cloudflare tunnel management - container-registry: Container registry operations - disaster-recovery: Disaster recovery procedures - dns-sovereign: DNS management - eth-anchor: Ethereum anchoring - gitea-bootstrap: Gitea setup and configuration - hetzner-bootstrap: Hetzner server provisioning - merkle-forest: Merkle tree operations - node-hardening: Node security hardening - operator-bootstrap: Operator initialization - proof-verifier: Cryptographic proof verification - rfc3161-anchor: RFC3161 timestamping - secrets-vault: Secrets management 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
93 lines
2.5 KiB
Bash
Executable File
93 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_NAME="$(basename "$0")"
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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SKILL_ROOT="$(dirname "$SCRIPT_DIR")"
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: "${OUTPUT_DIR:=$SKILL_ROOT/outputs}"
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: "${BACKUP_DIR:=$OUTPUT_DIR/backups}"
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: "${TEMPLATE_DIR:=$SKILL_ROOT/templates}"
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log_info() { echo "[INFO] $(date -Iseconds) $*"; }
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log_warn() { echo "[WARN] $(date -Iseconds) $*" >&2; }
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log_error() { echo "[ERROR] $(date -Iseconds) $*" >&2; }
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die() { log_error "$@"; exit 1; }
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require_confirm() {
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local require="${REQUIRE_CONFIRM:-1}"
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local phrase="${CONFIRM_PHRASE:-I UNDERSTAND THIS CAN LOCK ME OUT}"
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if [[ "$require" != "1" ]]; then
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return 0
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fi
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echo
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echo "CONFIRMATION REQUIRED"
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echo "Type the phrase exactly to continue:"
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echo " $phrase"
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read -r input
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[[ "$input" == "$phrase" ]] || die "Confirmation phrase mismatch; aborting."
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}
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render_template() {
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local port="$1"
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sed "s/{{SSH_PORT}}/$port/g" "$TEMPLATE_DIR/sshd_config.tpl"
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}
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sshd_binary() {
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if command -v sshd &>/dev/null; then
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echo "sshd"
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elif [[ -x /usr/sbin/sshd ]]; then
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echo "/usr/sbin/sshd"
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else
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echo ""
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fi
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}
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reload_service() {
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if systemctl list-units --type=service | grep -qE '^sshd\.service'; then
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sudo systemctl reload sshd
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elif systemctl list-units --type=service | grep -qE '^ssh\.service'; then
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sudo systemctl reload ssh
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else
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die "Could not find ssh/sshd service under systemctl"
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fi
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}
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main() {
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mkdir -p "$OUTPUT_DIR" "$BACKUP_DIR"
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local dry="${DRY_RUN:-1}"
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[[ "$dry" == "0" ]] || die "Refusing to apply with DRY_RUN=$dry. Export DRY_RUN=0 to proceed."
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require_confirm
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local ssh_port="${SSH_PORT:-22}"
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local sshd
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sshd="$(sshd_binary)"
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[[ -n "$sshd" ]] || die "sshd binary not found"
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[[ -f /etc/ssh/sshd_config ]] || die "/etc/ssh/sshd_config not found"
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log_info "Backing up current sshd_config"
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sudo cp -a /etc/ssh/sshd_config "$BACKUP_DIR/sshd_config.before"
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log_info "Writing new sshd_config from template"
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render_template "$ssh_port" | sudo tee /etc/ssh/sshd_config >/dev/null
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log_info "Validating sshd config (sshd -t)"
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sudo "$sshd" -t || {
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log_error "sshd config validation failed; restoring backup"
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sudo cp -a "$BACKUP_DIR/sshd_config.before" /etc/ssh/sshd_config
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die "Aborted due to invalid sshd_config"
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}
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log_info "Reloading SSH service"
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reload_service
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log_info "SSH hardening applied. Verify you still have access before closing sessions."
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log_info "If you are locked out, use scripts/rollback/emergency_restore.sh from console."
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}
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[[ "${BASH_SOURCE[0]}" == "$0" ]] && main "$@"
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