PCA/Keenetic-Split-DNS
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Initial release: install, uninstall, SmartDNS, web UI

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Андрей Бобырев
2026-05-24 22:15:37 +03:00
commit bc9355fe40
21 changed files with 2715 additions and 0 deletions
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34
etc/ndm/netfilter.d/010-keenetic-split-dns.sh Executable file
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#!/bin/sh
# Keenetic-Split-DNS — redirect LAN DNS to SmartDNS (fallback if dns-override unavailable)
# Installed to /opt/etc/ndm/netfilter.d/010-keenetic-split-dns.sh
KSD_ETC="/opt/etc/keenetic-split-dns"
DNS_PORT="53"
[ -f "$KSD_ETC/config.yaml" ] || exit 0
# Skip if Entware dns-override is active
if [ -f /opt/etc/dns-override.conf ] && grep -q '^enabled=1' /opt/etc/dns-override.conf 2>/dev/null; then
exit 0
fi
LAN_IP="$(grep '^lan_ip:' "$KSD_ETC/config.yaml" 2>/dev/null | sed 's/.*"\([^"]*\)".*/\1/')"
[ -n "$LAN_IP" ] || LAN_IP="192.168.1.1"
DNS_PORT="$(grep '^dns_port:' "$KSD_ETC/config.yaml" 2>/dev/null | awk '{print $2}')"
[ -n "$DNS_PORT" ] || DNS_PORT="53"
case "$1" in
start|restart)
iptables -t nat -C PREROUTING -i br0 -p udp --dport 53 ! -d "$LAN_IP" -j REDIRECT --to-port "$DNS_PORT" 2>/dev/null \
|| iptables -t nat -A PREROUTING -i br0 -p udp --dport 53 ! -d "$LAN_IP" -j REDIRECT --to-port "$DNS_PORT"
iptables -t nat -C PREROUTING -i br0 -p tcp --dport 53 ! -d "$LAN_IP" -j REDIRECT --to-port "$DNS_PORT" 2>/dev/null \
|| iptables -t nat -A PREROUTING -i br0 -p tcp --dport 53 ! -d "$LAN_IP" -j REDIRECT --to-port "$DNS_PORT"
;;
stop)
iptables -t nat -D PREROUTING -i br0 -p udp --dport 53 ! -d "$LAN_IP" -j REDIRECT --to-port "$DNS_PORT" 2>/dev/null || true
iptables -t nat -D PREROUTING -i br0 -p tcp --dport 53 ! -d "$LAN_IP" -j REDIRECT --to-port "$DNS_PORT" 2>/dev/null || true
;;
esac
exit 0