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ddns-scripts: Update knot resolver regexp

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The output format of `khost` has changed. This commit fixes the regexp
for IPv4. It fixes the issue of using a custom DNS to resolve current
address.

```bash
root@localhost:~# khost ns2.afraid.org
ns2.afraid.org. has IPv4 address 69.65.50.223
ns2.afraid.org. has IPv6 address 2001:1850:1:5:800::6b
Host ns2.afraid.org. has no MX record
root@localhost:~# khost --version
khost (Knot DNS), version 3.3.5
```

Signed-off-by: Denis Shulyaka <Shulyaka@gmail.com>
This commit is contained in:
Denis Shulyaka
2024-07-16 13:54:54 +03:00
parent 1016f8f1ba
commit ebeae334d9
2 changed files with 5 additions and 2 deletions
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5
net/ddns-scripts/files/usr/lib/ddns/dynamic_dns_functions.sh
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@@ -547,9 +547,12 @@ verify_host_port() {
return 2
}
# extract IP address
if [ -n "$BIND_HOST" -o -n "$KNOT_HOST" ]; then # use BIND host or Knot host if installed
if [ -n "$BIND_HOST" ]; then # use BIND host if installed
__IPV4="$(awk -F "address " '/has address/ {print $2; exit}' "$DATFILE")"
__IPV6="$(awk -F "address " '/has IPv6/ {print $2; exit}' "$DATFILE")"
elif [ -n "$KNOT_HOST" ]; then # use Knot host if installed
__IPV4="$(awk -F "address " '/has IPv4/ {print $2; exit}' "$DATFILE")"
__IPV6="$(awk -F "address " '/has IPv6/ {print $2; exit}' "$DATFILE")"
elif [ -n "$DRILL" ]; then # use drill if installed
__IPV4="$(awk '/^'"$__HOST"'/ {print $5}' "$DATFILE" | grep -m 1 -o "$IPV4_REGEX")"
__IPV6="$(awk '/^'"$__HOST"'/ {print $5}' "$DATFILE" | grep -m 1 -o "$IPV6_REGEX")"