feat: реализовать EvoFirewall V1 control plane
API, UI, Linux/MikroTik agents, IP lists, политики, stats, CI и интеграция с auth-portal/EvoBGP. Co-authored-by: Cursor <[email protected]>
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#!/usr/bin/env bash
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# EvoFirewall Linux sync agent — nft / ipset / iptables
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set -euo pipefail
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CONF_FILE=/etc/evofw/agent.conf
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LOG_FILE=/var/log/evofw-firewall.log
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STATE_DIR=/var/lib/evofw
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HASH_FILE="${STATE_DIR}/last_hash"
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POLICY_FILE="${STATE_DIR}/last_policy.json"
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log() { echo "$(date -u +%Y-%m-%dT%H:%M:%SZ) $*" | tee -a "$LOG_FILE"; }
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if [[ ! -f "$CONF_FILE" ]]; then
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log "missing $CONF_FILE"
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exit 1
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fi
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# shellcheck disable=SC1090
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source "$CONF_FILE"
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: "${EVOFW_CP_URL:?}"
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: "${CLIENT_TOKEN:?}"
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CLIENT_TOKEN="${CLIENT_TOKEN//$'\r'/}"
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CLIENT_TOKEN="${CLIENT_TOKEN//$'\n'/}"
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BACKEND="${KERNEL_BACKEND:-auto}"
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mkdir -p "$STATE_DIR"
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curl_policy() {
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local dest="$1"
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local code
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code=$(curl -sS -o "$dest" -w "%{http_code}" \
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-H "Authorization: Bearer ${CLIENT_TOKEN}" \
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-H "Accept: application/json" \
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"${EVOFW_CP_URL%/}/v1/agent/policy") || return 1
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if [[ "$code" == "403" ]]; then
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log "pending approval"
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return 2
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fi
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if [[ "$code" != "200" ]]; then
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log "policy HTTP $code"
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return 1
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fi
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return 0
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}
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if ! curl_policy "$POLICY_FILE"; then
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rc=$?
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[[ "$rc" == "2" ]] && exit 0
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exit 1
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fi
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parse_policy() {
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local f="$1"
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if command -v jq >/dev/null 2>&1; then
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HASH=$(jq -r '.hash // empty' "$f")
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MODE=$(jq -r '.policy_mode // "blacklist"' "$f")
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mapfile -t DENY < <(jq -r '.deny_cidrs[]? // empty' "$f")
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mapfile -t ALLOW < <(jq -r '.allow_cidrs[]? // empty' "$f")
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return 0
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fi
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if command -v python3 >/dev/null 2>&1; then
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eval "$(python3 - "$f" <<'PY'
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import json,sys
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d=json.load(open(sys.argv[1],encoding="utf-8"))
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print(f'HASH={d.get("hash") or ""}')
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print(f'MODE={d.get("policy_mode") or "blacklist"}')
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print("DENY=("+" ".join(json.dumps(x) for x in (d.get("deny_cidrs") or []))+")")
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print("ALLOW=("+" ".join(json.dumps(x) for x in (d.get("allow_cidrs") or []))+")")
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PY
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)"
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return 0
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fi
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log "need jq or python3"
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exit 1
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}
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HASH=""; MODE=blacklist; DENY=(); ALLOW=()
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parse_policy "$POLICY_FILE"
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log "mode=$MODE deny=${#DENY[@]} allow=${#ALLOW[@]} hash=$HASH"
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PACKETS_DROPPED=0
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PACKETS_ACCEPTED=0
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KERNEL_METHOD=""
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APPLIED=0
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nft_join() {
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local out="" p
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for p in "$@"; do
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[[ -n "$out" ]] && out+=", "
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out+="$p"
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done
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printf '%s' "$out"
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}
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nft_add_chunk() {
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local table=$1 name=$2 setname=$3
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shift 3
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local joined; joined=$(nft_join "$@")
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nft add element "$table" "$name" "$setname" "{ ${joined} }" 2>>"$LOG_FILE" || {
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for p in "$@"; do nft add element "$table" "$name" "$setname" "{ $p }" 2>>"$LOG_FILE" || true; done
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}
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}
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collect_nft_stats() {
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PACKETS_DROPPED=0; PACKETS_ACCEPTED=0
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local line
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while IFS= read -r line; do
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if [[ "$line" == *drop* && "$line" =~ packets[[:space:]]+([0-9]+) ]]; then
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PACKETS_DROPPED="${BASH_REMATCH[1]}"
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elif [[ "$line" == *accept* && "$line" =~ packets[[:space:]]+([0-9]+) ]]; then
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PACKETS_ACCEPTED="${BASH_REMATCH[1]}"
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fi
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done < <(nft list chain inet evofw input 2>/dev/null || true)
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}
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apply_nft() {
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local table=inet name=evofw
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local deny_v4=() allow_v4=() p
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for p in "${DENY[@]}"; do [[ "$p" == *:* ]] && continue; deny_v4+=("$p"); done
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for p in "${ALLOW[@]}"; do [[ "$p" == *:* ]] && continue; allow_v4+=("$p"); done
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nft list table "$table" "$name" >/dev/null 2>&1 || nft add table "$table" "$name"
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nft list set "$table" "$name" deny_v4 >/dev/null 2>&1 || \
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nft add set "$table" "$name" deny_v4 '{ type ipv4_addr; flags interval; }'
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nft list set "$table" "$name" allow_v4 >/dev/null 2>&1 || \
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nft add set "$table" "$name" allow_v4 '{ type ipv4_addr; flags interval; }'
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nft flush set "$table" "$name" deny_v4
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nft flush set "$table" "$name" allow_v4
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local batch=() chunk=64
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for p in "${deny_v4[@]}"; do
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batch+=("$p")
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if ((${#batch[@]} >= chunk)); then nft_add_chunk "$table" "$name" deny_v4 "${batch[@]}"; batch=(); fi
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done
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((${#batch[@]})) && nft_add_chunk "$table" "$name" deny_v4 "${batch[@]}"
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batch=()
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for p in "${allow_v4[@]}"; do
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batch+=("$p")
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if ((${#batch[@]} >= chunk)); then nft_add_chunk "$table" "$name" allow_v4 "${batch[@]}"; batch=(); fi
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done
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((${#batch[@]})) && nft_add_chunk "$table" "$name" allow_v4 "${batch[@]}"
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nft delete chain "$table" "$name" input 2>/dev/null || true
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if [[ "$MODE" == "whitelist" ]]; then
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nft add chain "$table" "$name" input '{ type filter hook input priority 0; policy drop; }'
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nft add rule "$table" "$name" input ct state established,related counter accept
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nft add rule "$table" "$name" input iif lo counter accept
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nft add rule "$table" "$name" input ip saddr @allow_v4 counter accept
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nft add rule "$table" "$name" input counter drop
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else
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nft add chain "$table" "$name" input '{ type filter hook input priority 0; policy accept; }'
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nft add rule "$table" "$name" input ip saddr @deny_v4 counter drop
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nft add rule "$table" "$name" input counter accept
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fi
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KERNEL_METHOD=nft
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APPLIED=$((${#deny_v4[@]} + ${#allow_v4[@]}))
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}
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apply_ipset() {
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local dset=evofw_deny_v4 aset=evofw_allow_v4
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ipset list "$dset" >/dev/null 2>&1 || ipset create "$dset" hash:net family inet
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ipset list "$aset" >/dev/null 2>&1 || ipset create "$aset" hash:net family inet
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ipset flush "$dset"; ipset flush "$aset"
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local p n=0
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for p in "${DENY[@]}"; do [[ "$p" == *:* ]] && continue; ipset add "$dset" "$p" -exist; n=$((n+1)); done
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for p in "${ALLOW[@]}"; do [[ "$p" == *:* ]] && continue; ipset add "$aset" "$p" -exist; n=$((n+1)); done
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iptables -D INPUT -m set --match-set "$dset" src -j DROP 2>/dev/null || true
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iptables -D INPUT -m set --match-set "$aset" src -j ACCEPT 2>/dev/null || true
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if [[ "$MODE" == "whitelist" ]]; then
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iptables -I INPUT -m set --match-set "$aset" src -j ACCEPT
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iptables -A INPUT -j DROP 2>/dev/null || true
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else
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iptables -I INPUT -m set --match-set "$dset" src -j DROP
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fi
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KERNEL_METHOD=ipset
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APPLIED=$n
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}
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send_report() {
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if [[ "$KERNEL_METHOD" == "nft" ]] || command -v nft >/dev/null 2>&1; then
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collect_nft_stats
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fi
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local report
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report=$(printf '{"status":"ok","prefix_count":%s,"packets_dropped":%s,"packets_accepted":%s,"kernel_method":"%s","source":"agent"}' \
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"${APPLIED:-0}" "${PACKETS_DROPPED:-0}" "${PACKETS_ACCEPTED:-0}" "${KERNEL_METHOD:-$BACKEND}")
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curl -fsS -X POST "${EVOFW_CP_URL%/}/v1/agent/apply-report" \
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-H "Authorization: Bearer ${CLIENT_TOKEN}" \
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-H "Content-Type: application/json" \
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-d "$report" >/dev/null 2>&1 || true
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curl -fsS -X POST "${EVOFW_CP_URL%/}/v1/agent/heartbeat" \
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-H "Authorization: Bearer ${CLIENT_TOKEN}" \
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-H "Content-Type: application/json" \
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-d '{"source":"agent"}' >/dev/null 2>&1 || true
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}
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if [[ -f "$HASH_FILE" && "$(tr -d '\r\n' <"$HASH_FILE")" == "$HASH" && -n "$HASH" ]]; then
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log "unchanged hash $HASH — skip apply"
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KERNEL_METHOD="${BACKEND}"
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send_report
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exit 0
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fi
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case "$BACKEND" in
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nft|auto)
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if command -v nft >/dev/null 2>&1; then apply_nft
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elif command -v ipset >/dev/null 2>&1; then apply_ipset
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else log "no backend"; exit 1; fi
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;;
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ipset) apply_ipset ;;
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*) apply_nft ;;
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esac
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echo "$HASH" >"$HASH_FILE"
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log "applied mode=$MODE count=$APPLIED method=$KERNEL_METHOD"
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send_report
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