router: add vpnc-script-minimal.sh for openconnect

Minimal script that only configures interface IP (IPv4+IPv6) without touching routing tables. Used by openconnect-egw.service. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

router: add vpnc-script-minimal.sh for openconnect
76729ed6 · Vitaly Lipatov · 788f8229 · 76729ed6
Commit 76729ed6 authored Feb 18, 2026 by Vitaly Lipatov
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vpnc-script-minimal.sh router/vpnc-script-minimal.sh +14 -0

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--- a/router/vpnc-script-minimal.sh
+++ b/router/vpnc-script-minimal.sh
+#!/bin/bash
+# Minimal vpnc-script for openconnect: only configure interface IP
+# Does NOT modify routing tables — route-update.sh handles that
+case "$reason" in
+  connect)
+    ip addr add $INTERNAL_IP4_ADDRESS/32 dev $TUNDEV
+    [ -n "$INTERNAL_IP6_ADDRESS" ] && ip -6 addr add $INTERNAL_IP6_ADDRESS/128 dev $TUNDEV
+    ip link set $TUNDEV up
+    [ -n "$INTERNAL_IP6_ADDRESS" ] && ip -6 route add default dev $TUNDEV
+    ;;
+  disconnect)
+    ip link set $TUNDEV down
+    ;;
+esac