[Pdns-users] Error Using lua_config_file in PowerDNS Recursor

[vinicius goncalves]

Hi,

I am trying to use the lua_config_file option, but every time I try to
execute the pdns_recursor command, it returns an error. I tried using both
the .conf and .yaml configuration files, and both returned errors which I
detail below. When I try to start the service using the 'service' command,
the service starts but does not respond to DNS queries. When I try to stop
the service with the command 'service pdns-recursor stop', the service does
not terminate. I noticed that when I remove the lua_config_file
configuration, the service starts and I can perform queries without
difficulty, and stopping the service with 'service pdns-recursor stop' also
works normally.

I thought the problem might be the LUA configuration file, but the file
only contains a comment.


#FILE LUA#
--zoneToCache(".", "url", "https://www.internic.net/domain/root.zone", {
refreshPeriod=86400})zoneToCache(".", "u
#FILE LUA#



OS-VERSION:FreeBSD 14.0-RELEASE #0 releng/14.0-n265380-f9716eee8ab4: Fri
Nov 10 05:57:23 UTC 2023     root at releng1.nyi.freebsd.org:
/usr/obj/usr/src/amd64.amd64/sys/GENERIC

VERSION POWERDNS RECURSOR:PowerDNS Recursor 5.0.4

Using 64-bits mode. Built using clang 16.0.6 (
https://github.com/llvm/llvm-project.git llvmorg-16.0.6-0-g7cbf1a259152) on
Apr 30 2024 01:23:16 by root at 140amd64-quarterly-job-35.

Configured with: " '--sysconfdir=/usr/local/etc/pdns' '--with-libsodium=no'
'--with-service-user=pdns' '--with-service-group=pdns_recursor'
'--without-net-snmp' '--without-systemd' '--disable-dnstap'
'--prefix=/usr/local' '--localstatedir=/var'
'--mandir=/usr/local/share/man' '--disable-silent-rules'
'--infodir=/usr/local/share/info/' '--build=amd64-portbld-freebsd14.0'
'build_alias=amd64-portbld-freebsd14.0' 'CC=cc' 'CFLAGS=-O2 -pipe
 -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing
' 'LDFLAGS=  -fstack-protector-strong -L/usr/local/lib ' 'LIBS='
'CPPFLAGS=-isystem /usr/local/include' 'CXX=c++' 'CXXFLAGS=-O2 -pipe
-fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing
 -isystem /usr/local/include ' 'PKG_CONFIG=pkgconf'
'PKG_CONFIG_LIBDIR=/wrkdirs/usr/ports/dns/powerdns-recursor/work/.pkgconfig:/usr/local/libdata/pkgconfig:/usr/local/share/pkgconfig:/usr/libdata/pkgconfig'
'PYTHON=/usr/local/bin/python3.9'"

#Config YAML#
incoming:
  allow_from:
  - 127.0.0.0/8
  - 10.0.0.0/8
  - 169.254.0.0/16
  - 192.168.0.0/16
  - 172.16.0.0/12
  listen:
  - 0.0.0.0:53
outgoing:
  source_address:
    - 0.0.0.0

recursor.lua_config_file:
 - 'advanced.lua'
#end of config YAML#

#ERROR#
Jun 14 11:22:41 msg="YAML config found, but error occurred processsing it"
error="unknown field `recursor.lua_config_file`, expected one of `dnssec`,
`incoming`, `recursor`, `webservice`, `carbon`, `outgoing`, `packetcache`,
`logging`, `ecs`, `recordcache`, `nod`, `snmp` at line 22 column 1"
subsystem="config" level="0" prio="Error" tid="0" ts="1718374961.771"
configname="/usr/local/etc/pdns/recursor.yml"
#END ERROR#

#Config .conf#
allow-from=127.0.0.0/8, 10.0.0.0/8, 169.254.0.0/16, 192.168.0.0/16,
172.16.0.0/12,

local-address=186.237.0.13, 10.10.10.13, 127.0.0.1

lua_config_file=advanced.lua
#Config .conf#

#ERROR#
Jun 14 11:27:04 msg="Fatal error" error="Trying to set unknown setting
'lua_config_file'" subsystem="config" level="0" prio="Critical" tid="0"
ts="1718375224.539" exception="PDNSException"
#END ERROR#

I've tried changing lua_config_file to the absolute path
/usr/local/etc/pdns/advanced.lua and also tried ./advanced.lua, but without
positive results
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