/usr/share/fwbuilder-5.1.0.3599/configlets/openbsd/kernel_vars is in fwbuilder-common 5.1.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | ## -*- mode: shell-script; -*-
##
## To be able to make changes to the part of configuration created
## from this configlet you need to copy this file to the directory
## fwbuilder/configlets/openbsd/ in your home directory and modify it.
## Double "##" comments are removed during processing but single "#"
## comments are be retained and appear in the generated script. Empty
## lines are removed as well.
##
## Configlets support simple macro language with these constructs:
## {{$var}} is variable expansion
## {{if var}} is conditional operator.
{{if have_openbsd_ip_directed_broadcast}}$SYSCTL -w net.inet.ip.directed-broadcast={{$openbsd_ip_directed_broadcast}}{{endif}}
{{if have_openbsd_ip_forward}}$SYSCTL -w net.inet.ip.forwarding={{$openbsd_ip_forward}}{{endif}}
{{if have_openbsd_ipv6_forward}}$SYSCTL -w net.inet6.ip6.forwarding={{$openbsd_ipv6_forward}}{{endif}}
{{if have_openbsd_ip_sourceroute}}$SYSCTL -w net.inet.ip.sourceroute={{$openbsd_ip_sourceroute}}{{endif}}
{{if have_openbsd_ip_redirect}}$SYSCTL -w net.inet.ip.redirect={{$openbsd_ip_redirect}}{{endif}}
|