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https://github.com/jmcorgan/fips.git
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77ac8c822e
fipstop: ratatui-based TUI for real-time monitoring of a running FIPS daemon. Tabs and navigation: - 8 navigable tabs: Node, Peers, Transports, Sessions, Tree, Filters, Performance, Routing - Tab/BackTab navigation with group separators in tab bar - Table views with selectable rows, detail drill-down panels, and scrollbars Node tab: - Runtime info: pid, exe path, uptime, control socket path, TUN adapter name - Identity: npub, node_addr, ipv6 address - State summary with peer/session/link/transport/connection counts - TUN IPv6 traffic and forwarded transit traffic counters Peers tab: - Table with Name, Address, Conn, Depth, SRTT, Loss, LQI, Pkts Tx/Rx - Detail panel: identity, connection info, transport cross-reference, tree/bloom state, link stats, MMP metrics with LQI Sessions tab: - Table with Name, Remote Addr, State, Role, SRTT, Loss, SQI, Path MTU, Last Activity - Detail panel: identity, session info, traffic stats, MMP metrics with SQI Transports tab: - Hierarchical tree view: expandable transport parents with nested links (▼/▶ indicators, ├─/└─ tree chars, Space/Arrow to expand/collapse) - Transport detail: type-specific stats (UDP/TCP/Ethernet) - Link detail: peer cross-reference with MMP metrics and LQI Performance tab: - Link-layer MMP: SRTT, loss, ETX, LQI, goodput per peer - Session-layer MMP: SRTT, loss, ETX, SQI, path MTU per session - Trend indicators (rising/falling/stable) with context-aware coloring Routing tab: - Routing state: cache sizes, pending lookups, recent requests - Coordinate cache: entries, fill ratio, TTL, expiry, avg age - Statistics: forwarding, discovery request/response, error signal counters Tree tab: - Spanning tree position with 16 announce stats (inbound/outbound/cumulative) Filters tab: - Bloom filter announce stats, per-peer fill ratio and estimated node count MMP metrics enhancements: - Add etx_trend DualEwma for smoothed ETX tracking - Add smoothed_loss() and smoothed_etx() accessors (long-term EWMA) - LQI (Link Quality Index) = smoothed_etx * (1 + srtt_ms / 100) - SQI (Session Quality Index) = same formula for session layer - All loss/ETX displays prefer smoothed values with raw fallback Control socket: - Add smoothed_loss, smoothed_etx, lqi/sqi to show_peers, show_sessions, and show_mmp JSON responses - Rename fips_address to ipv6_addr in show_status and show_peers - Add tun_name and control_socket to show_status - FHS-compliant 3-tier default path: $XDG_RUNTIME_DIR, /run/fips, /tmp Node extensions: - Add started_at/uptime() to Node - Add tun_name() accessor Docker sidecar updates: - TCP transport support via FIPS_PEER_TRANSPORT env var - Build scripts include fipstop binary
85 lines
2.2 KiB
Bash
Executable File
85 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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# FIPS sidecar entrypoint: generate config, apply iptables isolation, launch FIPS.
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set -e
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# --- Generate FIPS config from environment variables ---
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FIPS_NSEC="${FIPS_NSEC:?FIPS_NSEC is required}"
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FIPS_UDP_BIND="${FIPS_UDP_BIND:-0.0.0.0:2121}"
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FIPS_TUN_MTU="${FIPS_TUN_MTU:-1280}"
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FIPS_PEER_TRANSPORT="${FIPS_PEER_TRANSPORT:-udp}"
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mkdir -p /etc/fips
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# Build peers section
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PEERS_SECTION=""
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if [ -n "$FIPS_PEER_NPUB" ] && [ -n "$FIPS_PEER_ADDR" ]; then
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FIPS_PEER_ALIAS="${FIPS_PEER_ALIAS:-peer}"
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PEERS_SECTION=" - npub: \"${FIPS_PEER_NPUB}\"
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alias: \"${FIPS_PEER_ALIAS}\"
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addresses:
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- transport: ${FIPS_PEER_TRANSPORT}
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addr: \"${FIPS_PEER_ADDR}\"
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connect_policy: auto_connect"
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fi
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cat > /etc/fips/fips.yaml <<EOF
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node:
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identity:
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nsec: "${FIPS_NSEC}"
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tun:
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enabled: true
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name: fips0
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mtu: ${FIPS_TUN_MTU}
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dns:
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enabled: true
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bind_addr: "127.0.0.1"
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transports:
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udp:
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bind_addr: "${FIPS_UDP_BIND}"
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mtu: 1472
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tcp: {}
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peers:
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${PEERS_SECTION:- []}
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EOF
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echo "Generated /etc/fips/fips.yaml"
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# --- Apply iptables rules for strict network isolation ---
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#
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# Goal: only FIPS UDP transport (port 2121) may use eth0.
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# All other eth0 traffic is dropped. fips0 and loopback are unrestricted.
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# This ensures the app container (sharing this network namespace) can only
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# communicate over the FIPS mesh.
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# IPv4: allow only FIPS transport on eth0
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iptables -A OUTPUT -o lo -j ACCEPT
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iptables -A INPUT -i lo -j ACCEPT
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iptables -A OUTPUT -o eth0 -p udp --dport 2121 -j ACCEPT
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iptables -A OUTPUT -o eth0 -p udp --sport 2121 -j ACCEPT
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iptables -A INPUT -i eth0 -p udp --dport 2121 -j ACCEPT
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iptables -A INPUT -i eth0 -p udp --sport 2121 -j ACCEPT
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iptables -A OUTPUT -o eth0 -p tcp --dport 443 -j ACCEPT
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iptables -A INPUT -i eth0 -p tcp --sport 443 -j ACCEPT
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iptables -A OUTPUT -o eth0 -j DROP
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iptables -A INPUT -i eth0 -j DROP
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# IPv6: allow fips0 and loopback, block eth0
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ip6tables -A OUTPUT -o lo -j ACCEPT
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ip6tables -A INPUT -i lo -j ACCEPT
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ip6tables -A OUTPUT -o fips0 -j ACCEPT
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ip6tables -A INPUT -i fips0 -j ACCEPT
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ip6tables -A OUTPUT -o eth0 -j DROP
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ip6tables -A INPUT -i eth0 -j DROP
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echo "iptables isolation rules applied"
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# --- Start dnsmasq and launch FIPS ---
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dnsmasq
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exec fips --config /etc/fips/fips.yaml
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