2611.1

network-config.sh

@@ -5,6 +5,9 @@ SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 LOG_FILE="/var/log/portspoof.log"
 EVENTS_WINDOW_FILE="$SCRIPT_DIR/.events_window"
 EVENTS_HOURS=1
+WEBHOOK_FILE="$SCRIPT_DIR/.discord_webhook"
+WEBHOOK_OFFSET_FILE="$SCRIPT_DIR/.webhook_offset"
+WEBHOOK_PID_FILE="$SCRIPT_DIR/.webhook.pid"
 if [ -f "$EVENTS_WINDOW_FILE" ]; then
     read -r _loaded < "$EVENTS_WINDOW_FILE" 2>/dev/null
     case "$_loaded" in
@@ -102,7 +105,7 @@ status_box() {
     echo "  ╠══════════════════════════════════════════════════════════════════════════╣"
     echo "  ║                        Network Interface Status                          ║"
     echo "  ╠══════════════════════════════════════════════════════════════════════════╣"
-    echo "  ║                                                                    v0.18 ║"
+    echo "  ║                                                                    v0.19 ║"
 
     local ifaces
     mapfile -t ifaces < <(get_interfaces)
@@ -415,6 +418,118 @@ shell_access() {
     read -rp "Press Enter to continue..."
 }
 
+# ── discord webhook ───────────────────────────────────────────────────────────
+
+send_discord() {
+    local webhook
+    webhook=$(cat "$WEBHOOK_FILE" 2>/dev/null)
+    [ -n "$webhook" ] || return 1
+    curl -s -o /dev/null --max-time 10 \
+        -H "Content-Type: application/json" \
+        -d "$(printf '{"content":"%s"}' "$1")" "$webhook"
+}
+
+# Builds the Discord message from one raw log line; exits non-zero if unparseable.
+webhook_msg() {
+    python3 -c '
+import sys, json
+from datetime import datetime
+try:
+    e = json.loads(sys.argv[1])
+except ValueError:
+    sys.exit(1)
+raw = str(e.get("timestamp", ""))
+if raw.endswith("Z"):
+    raw = raw[:-1] + "+00:00"
+try:
+    ts = datetime.fromisoformat(raw).astimezone().strftime("%Y-%m-%d %H:%M:%S")
+except ValueError:
+    ts = "?"
+src = str(e.get("src_ip", "?")).replace("\"", "").replace("\\", "")
+dst = str(e.get("dst_port", "?"))
+print(f"⚠️ **PortSpoof alert** — {src} → port {dst} at {ts}")
+' "$1"
+}
+
+# Forwards new log lines to the webhook. Runs in the background; survives the menu.
+start_webhook_watcher() {
+    [ -f "$WEBHOOK_FILE" ] || return 0
+    if [ -f "$WEBHOOK_PID_FILE" ] && kill -0 "$(cat "$WEBHOOK_PID_FILE")" 2>/dev/null; then
+        return 0
+    fi
+    # Seed offset so old events are not replayed.
+    echo "$(wc -l < "$LOG_FILE" 2>/dev/null || echo 0)" > "$WEBHOOK_OFFSET_FILE"
+    (
+        trap 'rm -f "$WEBHOOK_PID_FILE"' EXIT
+        while true; do
+            sleep 2
+            [ -f "$LOG_FILE" ] || continue
+            total=$(wc -l < "$LOG_FILE")
+            offset=$(cat "$WEBHOOK_OFFSET_FILE" 2>/dev/null)
+            [ -n "$offset" ] || offset=0
+            if [ "$total" -le "$offset" ]; then
+                [ "$total" -lt "$offset" ] && echo "$total" > "$WEBHOOK_OFFSET_FILE"
+                continue
+            fi
+            tail -n +"$((offset + 1))" "$LOG_FILE" | while IFS= read -r line; do
+                msg=$(webhook_msg "$line") || continue
+                send_discord "$msg"
+            done
+            echo "$total" > "$WEBHOOK_OFFSET_FILE"
+        done
+    ) &
+    echo $! > "$WEBHOOK_PID_FILE"
+}
+
+stop_webhook_watcher() {
+    if [ -f "$WEBHOOK_PID_FILE" ]; then
+        kill "$(cat "$WEBHOOK_PID_FILE")" 2>/dev/null
+        rm -f "$WEBHOOK_PID_FILE"
+    fi
+}
+
+set_webhook() {
+    clear
+    echo ""
+    echo "╔══════════════════════════════════════════════════════════════════════════╗"
+    echo "║   Discord Webhook                                                          ║"
+    echo "╚══════════════════════════════════════════════════════════════════════════╝"
+    echo ""
+    local current
+    current=$(cat "$WEBHOOK_FILE" 2>/dev/null)
+    echo "  Current: ${current:-none}"
+    echo ""
+
+    while true; do
+        read -rp "  Webhook URL (leave empty to disable): " url
+        if [ -z "$url" ]; then
+            stop_webhook_watcher
+            rm -f "$WEBHOOK_FILE" "$WEBHOOK_OFFSET_FILE"
+            echo ""
+            echo "  Webhook disabled."
+            read -rp "Press Enter to continue..."
+            return
+        fi
+        case "$url" in
+            https://discord.com/api/webhooks/*) ;;
+            *) echo "  Invalid: must start with https://discord.com/api/webhooks/"; continue ;;
+        esac
+        if curl -s -o /dev/null --max-time 10 -X POST \
+            -H "Content-Type: application/json" \
+            -d '{"content":"PortSpoof webhook test — configured from menu"}' "$url"; then
+            echo "$url" > "$WEBHOOK_FILE"
+            start_webhook_watcher
+            echo ""
+            echo "  Webhook saved — test message sent, watcher started."
+            break
+        else
+            echo "  Test failed — check the URL and try again."
+        fi
+    done
+    echo ""
+    read -rp "Press Enter to continue..."
+}
+
 # ── log helpers ───────────────────────────────────────────────────────────────
 # Prints the last 5 events within the last $EVENTS_HOURS hours
 # (always exactly 5 lines): timestamp (local time), src_ip, dst_port.
@@ -584,7 +699,7 @@ main_screen() {
 
 # ── main menu ─────────────────────────────────────────────────────────────────
 
-MENU_ITEMS=("Refresh" "Timeframe: ${EVENTS_HOURS}h" "Set Static IP" "Set DHCP" "Shell" "Reboot" "Update")
+MENU_ITEMS=("Refresh" "Timeframe: ${EVENTS_HOURS}h" "Discord Webhook" "Set Static IP" "Set DHCP" "Shell" "Reboot" "Update")
 
 toggle_timeframe() {
     if [ "$EVENTS_HOURS" = "1" ]; then
@@ -609,26 +724,29 @@ main_menu() {
                 toggle_timeframe
                 ;;
             2)
+                set_webhook
+                ;;
+            3)
                 if select_interface; then
                     set_static "$SELECTED_IFACE"
                 fi
                 echo ""
                 read -rp "Press Enter to continue..."
                 ;;
-            3)
+            4)
                 if select_interface; then
                     set_dhcp "$SELECTED_IFACE"
                 fi
                 echo ""
                 read -rp "Press Enter to continue..."
                 ;;
-            4)
+            5)
                 shell_access
                 ;;
-            5)
+            6)
                 reboot_confirm
                 ;;
-            6)
+            7)
                 run_update
                 ;;
         esac
@@ -637,9 +755,11 @@ main_menu() {
 
 # ── entry point ───────────────────────────────────────────────────────────────
 
-if [ "$EUID" -ne 0 ]; then
+if [ "${BASH_SOURCE[0]}" = "$0" ]; then
-    echo "This script must be run as root (use sudo)."
+    if [ "$EUID" -ne 0 ]; then
-    exit 1
+        echo "This script must be run as root (use sudo)."
+        exit 1
+    fi
+    start_webhook_watcher
+    main_menu
 fi
-
-main_menu

test_webhook.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+# Self-check for the Discord webhook helpers: bash test_webhook.sh
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+# shellcheck source=network-config.sh
+source "$SCRIPT_DIR/network-config.sh"
+
+line='{"timestamp":"2026-11-05T12:00:00Z","src_ip":"1.2.3.4","dst_port":8080}'
+msg=$(webhook_msg "$line") || { echo "FAIL: valid line rejected"; exit 1; }
+echo "$msg" | grep -q "1.2.3.4" || { echo "FAIL: src_ip missing from: $msg"; exit 1; }
+echo "$msg" | grep -q "8080" || { echo "FAIL: dst_port missing from: $msg"; exit 1; }
+
+if webhook_msg 'not json' >/dev/null; then
+    echo "FAIL: invalid line accepted"
+    exit 1
+fi
+
+echo "OK: $msg"