11 lines
907 B
Bash
11 lines
907 B
Bash
#!/bin/sh
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# B12 router-down: undo exactly what router-up did (dnsmasq, nft table, ip_forward, LAN addr, default route if we added it).
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. "$(dirname "$0")/router-common.sh"
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log "=== ROUTER DOWN"
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p=$(dnsmasq_pid); [ -n "$p" ] && kill "$p" && sleep 1; [ -n "$(dnsmasq_pid)" ] && kill -9 "$(cat $S/dnsmasq.pid)"; rm -f $S/dnsmasq.pid
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nft list table inet aurora_router >/dev/null 2>&1 && nft delete table inet aurora_router
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F=0; [ -f $S/sysctl.saved ] && F=$(sed -n 's/^ip_forward=//p' $S/sysctl.saved); echo "${F:-0}" > /proc/sys/net/ipv4/ip_forward; rm -f $S/sysctl.saved
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ip addr del $LAN_ADDR/$LAN_PFX dev $LAN_IF 2>/dev/null
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[ -f $S/default.added ] && { ip route del default dev "$(cat $S/default.added)" 2>/dev/null; rm -f $S/default.added; }
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log "down: fwd=$(cat /proc/sys/net/ipv4/ip_forward) tables=[$(nft list tables 2>/dev/null | tr '\n' ' ')] default=[$(ip route show default)]"
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echo "ROUTER-DOWN OK"
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