nuno 修订了这个 Gist 1 month ago. 转到此修订
1 file changed, 157 insertions
gistfile1.txt(文件已创建)
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| 1 | + | function cmd::watch::_poll_handshakes() { | |
| 2 | + | local filter_name="${1:-}" filter_type="${2:-}" filter_peers="${3:-}" | |
| 3 | + | local w_client="${4:-20}" w_dest="${5:-18}" | |
| 4 | + | ||
| 5 | + | while IFS= read -r line; do | |
| 6 | + | local public_key ts | |
| 7 | + | public_key=$(echo "$line" | awk '{print $1}') | |
| 8 | + | ts=$(echo "$line" | awk '{print $2}') | |
| 9 | + | [[ -z "$ts" || "$ts" == "0" ]] && continue | |
| 10 | + | ||
| 11 | + | local client_name="" | |
| 12 | + | for conf in "$(ctx::clients)"/*.conf; do | |
| 13 | + | [[ -f "$conf" ]] || continue | |
| 14 | + | local cname | |
| 15 | + | cname=$(basename "$conf" .conf) | |
| 16 | + | local key | |
| 17 | + | key=$(keys::public "$cname" 2>/dev/null || echo "") | |
| 18 | + | if [[ "$key" == "$public_key" ]]; then | |
| 19 | + | client_name="$cname" | |
| 20 | + | break | |
| 21 | + | fi | |
| 22 | + | done | |
| 23 | + | [[ -z "$client_name" ]] && continue | |
| 24 | + | [[ -n "$filter_name" && "$client_name" != "$filter_name" ]] && continue | |
| 25 | + | ||
| 26 | + | local safe_key | |
| 27 | + | safe_key=$(echo "$public_key" | md5sum | cut -d' ' -f1) | |
| 28 | + | local prev_ts_file="/tmp/wgctl_hs_${safe_key}" | |
| 29 | + | local prev_ts="0" | |
| 30 | + | [[ -f "$prev_ts_file" ]] && prev_ts=$(cat "$prev_ts_file") | |
| 31 | + | [[ "$ts" == "$prev_ts" ]] && continue | |
| 32 | + | ||
| 33 | + | local gap=$(( ts - ${prev_ts:-0} )) | |
| 34 | + | echo "$ts" > "$prev_ts_file" | |
| 35 | + | (( gap < ${WG_HANDSHAKE_CHECK_TIME_SEC:-300} )) && continue | |
| 36 | + | ||
| 37 | + | local ts_fmt | |
| 38 | + | ts_fmt=$(fmt::datetime_short "$ts") | |
| 39 | + | local endpoint | |
| 40 | + | endpoint=$(monitor::endpoint_for_key "$public_key") | |
| 41 | + | ||
| 42 | + | # Resolve endpoint | |
| 43 | + | local endpoint_display | |
| 44 | + | endpoint_display=$(resolve::ip "${endpoint:-}") | |
| 45 | + | [[ -z "$endpoint_display" ]] && endpoint_display="${endpoint:-—}" | |
| 46 | + | ||
| 47 | + | ui::watch::wg_row "$ts_fmt" "$client_name" "$endpoint_display" "handshake" \ | |
| 48 | + | "$w_client" "$w_dest" | |
| 49 | + | ||
| 50 | + | done < <(wg show "$(config::interface)" latest-handshakes 2>/dev/null) | |
| 51 | + | } | |
| 52 | + | function cmd::watch::_tail_events() { | |
| 53 | + | local filter_name="${1:-}" filter_type="${2:-}" filter_peers="${3:-}" | |
| 54 | + | local blocked_only="${4:-false}" restricted_only="${5:-false}" allowed_only="${6:-false}" | |
| 55 | + | local w_client="${7:-20}" w_dest="${8:-18}" | |
| 56 | + | ||
| 57 | + | # Build ip->name map | |
| 58 | + | declare -A ip_to_name=() | |
| 59 | + | while IFS= read -r conf; do | |
| 60 | + | local cname | |
| 61 | + | cname=$(basename "$conf" .conf) | |
| 62 | + | local ip | |
| 63 | + | ip=$(grep "^Address" "$conf" 2>/dev/null | awk '{print $3}' | cut -d'/' -f1) | |
| 64 | + | [[ -n "$ip" && -n "$cname" ]] && ip_to_name["$ip"]="$cname" | |
| 65 | + | done < <(find "$(ctx::clients)" -name "*.conf" 2>/dev/null) | |
| 66 | + | ||
| 67 | + | declare -A _WATCH_LAST_FW=() | |
| 68 | + | declare -A _WATCH_LAST_WG=() | |
| 69 | + | ||
| 70 | + | local source_file | |
| 71 | + | source_file=$(mktemp) | |
| 72 | + | echo "wg" > "$source_file" | |
| 73 | + | trap "rm -f '$source_file'" EXIT | |
| 74 | + | ||
| 75 | + | tail -f "$(ctx::events_log)" "$(ctx::fw_events_log)" 2>/dev/null \ | |
| 76 | + | | while IFS= read -r line; do | |
| 77 | + | [[ -z "$line" ]] && continue | |
| 78 | + | ||
| 79 | + | if [[ "$line" == "==> "* ]]; then | |
| 80 | + | [[ "$line" == *"fw_events"* ]] && echo "fw" > "$source_file" || echo "wg" > "$source_file" | |
| 81 | + | continue | |
| 82 | + | fi | |
| 83 | + | ||
| 84 | + | local source | |
| 85 | + | source=$(cat "$source_file") | |
| 86 | + | ||
| 87 | + | if [[ "$source" == "fw" ]]; then | |
| 88 | + | $allowed_only && continue | |
| 89 | + | ||
| 90 | + | local fw_data | |
| 91 | + | fw_data=$(python3 "$(ctx::json_helper)" parse_fw_event "$line" 2>/dev/null) || continue | |
| 92 | + | [[ -z "$fw_data" ]] && continue | |
| 93 | + | ||
| 94 | + | local ts src_ip dest_ip dest_port proto | |
| 95 | + | IFS='|' read -r ts src_ip dest_ip dest_port proto <<< "$fw_data" | |
| 96 | + | [[ -z "$src_ip" ]] && continue | |
| 97 | + | ||
| 98 | + | local client="${ip_to_name[$src_ip]:-$src_ip}" | |
| 99 | + | [[ -n "$filter_name" && "$client" != "$filter_name" ]] && continue | |
| 100 | + | ||
| 101 | + | local fw_key="${src_ip}:${dest_ip}:${dest_port}:${proto}" | |
| 102 | + | local now; now=$(date +%s) | |
| 103 | + | local window=30 | |
| 104 | + | [[ "$proto" == "17" || "$proto" == "udp" ]] && window=10 | |
| 105 | + | [[ "$proto" == "1" || "$proto" == "icmp" ]] && window=5 | |
| 106 | + | local last="${_WATCH_LAST_FW[$fw_key]:-0}" | |
| 107 | + | (( now - last < window )) && continue | |
| 108 | + | _WATCH_LAST_FW["$fw_key"]="$now" | |
| 109 | + | ||
| 110 | + | local ts_fmt | |
| 111 | + | ts_fmt=$(fmt::datetime_short "$(json::iso_to_ts "$ts" 2>/dev/null || echo 0)") | |
| 112 | + | ||
| 113 | + | local dest_display | |
| 114 | + | dest_display=$(resolve::dest "$dest_ip" "$dest_port" "$proto") | |
| 115 | + | ||
| 116 | + | ui::watch::fw_row "$ts_fmt" "$client" "$dest_display" "$w_client" "$w_dest" | |
| 117 | + | ||
| 118 | + | else | |
| 119 | + | $restricted_only && continue | |
| 120 | + | ||
| 121 | + | local ev_data | |
| 122 | + | ev_data=$(python3 "$(ctx::json_helper)" parse_event "$line" 2>/dev/null) || continue | |
| 123 | + | [[ -z "$ev_data" ]] && continue | |
| 124 | + | ||
| 125 | + | local ts client endpoint event | |
| 126 | + | IFS='|' read -r ts client endpoint event <<< "$ev_data" | |
| 127 | + | [[ -n "$filter_name" && "$client" != "$filter_name" ]] && continue | |
| 128 | + | $blocked_only && [[ "$event" != "attempt" ]] && continue | |
| 129 | + | $allowed_only && [[ "$event" != "handshake" ]] && continue | |
| 130 | + | ||
| 131 | + | local wg_key="${client}:${endpoint}:${event}" | |
| 132 | + | local now; now=$(date +%s) | |
| 133 | + | local last="${_WATCH_LAST_WG[$wg_key]:-0}" | |
| 134 | + | ||
| 135 | + | # Handshakes — only show if gap > 5min (new session) | |
| 136 | + | # Attempts — shorter window (30s) since each attempt is meaningful | |
| 137 | + | local window=30 | |
| 138 | + | [[ "$event" == "handshake" ]] && window="${WG_HANDSHAKE_CHECK_TIME_SEC:-300}" | |
| 139 | + | ||
| 140 | + | (( now - last < window )) && continue | |
| 141 | + | _WATCH_LAST_WG["$wg_key"]="$now" | |
| 142 | + | ||
| 143 | + | local ts_fmt | |
| 144 | + | ts_fmt=$(fmt::datetime_short "$(json::iso_to_ts "$ts" 2>/dev/null || echo 0)") | |
| 145 | + | ||
| 146 | + | # Resolve endpoint | |
| 147 | + | local endpoint_display | |
| 148 | + | endpoint_display=$(resolve::ip "${endpoint:-}") | |
| 149 | + | [[ -z "$endpoint_display" ]] && endpoint_display="${endpoint:-—}" | |
| 150 | + | ||
| 151 | + | ui::watch::wg_row "$ts_fmt" "$client" "$endpoint_display" "$event" \ | |
| 152 | + | "$w_client" "$w_dest" | |
| 153 | + | fi | |
| 154 | + | done | |
| 155 | + | ||
| 156 | + | rm -f "$source_file" | |
| 157 | + | } | |
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