Layers: Layer 1: XDP/eBPF — TCP state machine, SYN throttle, blacklist, ringbuf Layer 2: PoW Challenge — SHA-256 hashcash, dynamic difficulty, constant-time verify Layer 3: Rust Core — HMAC handshake, rate limit, death code (existing) Layer 4: Velocity — Physics check, CAPTCHA, protocol verification Layer 5: Paper — Heartbeat, auto-registration (existing) Layer 6: Traffic Intel — EWMA, 168h profiling, reputation, alerts Infra: XDP→Prometheus metrics, ClickHouse + Grafana dashboard, Docker Compose Testing: 100-IP DDoS simulation, MHDDoS ref analysis, load test report Fixes: VarInt sign extension UB, pure ACK deadlock, RST/FIN cleanup Ref: MHDDoS, Sonar, LimboFilter, AtomGuard, Infrarust, MC-XDP-eBPF, PowGo
66 lines
2 KiB
C
66 lines
2 KiB
C
#ifndef RAMPART_MAPS_H
|
|
#define RAMPART_MAPS_H
|
|
|
|
// 🔗 Blacklist (LPM_TRIE for CIDR support)
|
|
// Cleared by Rust userspace or per-entry expiry via ringbuf
|
|
struct {
|
|
__uint(type, BPF_MAP_TYPE_LPM_TRIE);
|
|
__uint(max_entries, 100000);
|
|
__type(key, struct lpm_key);
|
|
__type(value, __u64); // ban expiry (ktime_ns)
|
|
__uint(map_flags, BPF_F_NO_PREALLOC);
|
|
} blacklist_map SEC(".maps");
|
|
|
|
// 🔗 Whitelist (LPM_TRIE for CIDR) — checked before any filter
|
|
struct {
|
|
__uint(type, BPF_MAP_TYPE_LPM_TRIE);
|
|
__uint(max_entries, 1000);
|
|
__type(key, struct lpm_key);
|
|
__type(value, __u8);
|
|
__uint(map_flags, BPF_F_NO_PREALLOC);
|
|
} whitelist_map SEC(".maps");
|
|
|
|
// 🔗 Connection tracking (unverified connections)
|
|
// LRU — автоматическое вытеснение старых записей
|
|
// bpf_timer — idle cleanup через 30 сек
|
|
struct {
|
|
__uint(type, BPF_MAP_TYPE_LRU_HASH);
|
|
__uint(max_entries, 16384);
|
|
__type(key, struct flow_key);
|
|
__type(value, struct conntrack_entry);
|
|
} conntrack_map SEC(".maps");
|
|
|
|
// 🔗 Verified player connections (LRU)
|
|
struct {
|
|
__uint(type, BPF_MAP_TYPE_LRU_HASH);
|
|
__uint(max_entries, 65535);
|
|
__type(key, struct flow_key);
|
|
__type(value, struct player_entry);
|
|
} player_connection_map SEC(".maps");
|
|
|
|
// 🔗 SYN throttle per-source-IP (LRU)
|
|
struct {
|
|
__uint(type, BPF_MAP_TYPE_LRU_HASH);
|
|
__uint(max_entries, 65535);
|
|
__type(key, __u32); // src_ip
|
|
__type(value, struct throttle_entry);
|
|
} connection_throttle SEC(".maps");
|
|
|
|
// 🔗 Statistics (per-CPU, атомарные инкременты)
|
|
#define STAT_TOTAL 0
|
|
#define STAT_TCP_MC 1
|
|
#define STAT_WHITELIST 2
|
|
#define STAT_BLACKLIST 3
|
|
#define STAT_SYN_THROTTLE 4
|
|
#define STAT_PASS 5
|
|
#define STAT_DROP 6
|
|
#define STAT_VERIFIED 7
|
|
|
|
struct {
|
|
__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
|
|
__uint(max_entries, 16);
|
|
__type(key, __u32);
|
|
__type(value, __u64);
|
|
} stats_map SEC(".maps");
|
|
|
|
#endif /* RAMPART_MAPS_H */
|