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ipset: clear known DNS caches before DNS test

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This commit is contained in:
bol-van 2021-10-19 12:24:41 +03:00
parent 7f0acb50f1
commit 2d60a37798
1 changed files with 38 additions and 4 deletions
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42
ipset/def.sh
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@ -146,11 +146,47 @@ filedigger()
>&2 echo digging $(wc -l <"$1" | xargs) ipv$2 domains : "$1"
zzcat "$1" | digger $2 s
}
flush_dns_cache()
{
echo clearing all known DNS caches
if exists killall; then
killall -HUP dnsmasq 2>/dev/null
elif exists pkill; then
pkill -HUP ^dnsmasq$
else
echo no mass killer available ! cant flush dnsmasq
fi
if exists rndc; then
rndc flush
fi
if exists systemd-resolve; then
systemd-resolve --flush-caches
fi
# MacOS
if exists pgrep && pgrep -q ^mDNSResponder$; then
killall -HUP mDNSResponder
fi
}
dnstest()
{
local ip=$(echo w3.org | digger 46)
[ -n "$ip" ]
}
dnstest_with_cache_clear()
{
flush_dns_cache
if dnstest ; then
echo DNS is working
return 0
else
echo "! DNS is not working"
return 1
fi
}
cut_local()
@ -173,10 +209,7 @@ oom_adjust_high()
getexclude()
{
oom_adjust_high
dnstest || {
echo "! DNS is not working. list processing aborted."
return 1
}
dnstest_with_cache_clear || return
[ -f "$ZUSERLIST_EXCLUDE" ] && {
[ "$DISABLE_IPV4" != "1" ] && filedigger "$ZUSERLIST_EXCLUDE" 4 | sort -u > "$ZIPLIST_EXCLUDE"
[ "$DISABLE_IPV6" != "1" ] && filedigger "$ZUSERLIST_EXCLUDE" 6 | sort -u > "$ZIPLIST_EXCLUDE6"
@ -209,3 +242,4 @@ hup_zapret_daemons()
echo no mass killer available ! cant HUP zapret daemons
fi
}