86 lines
1.7 KiB
Bash
Executable File
86 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# $NetBSD: ipnat,v 1.6 2000/09/19 13:04:38 lukem Exp $
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# $FreeBSD$
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#
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# PROVIDE: ipnat
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# REQUIRE: ipfilter mountcritremote
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# BEFORE: DAEMON
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# KEYWORD: FreeBSD NetBSD
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. /etc/rc.subr
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name="ipnat"
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rcvar=`set_rcvar`
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case ${OSTYPE} in
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FreeBSD)
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IPNATDIR="/sbin"
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start_precmd="ipnat_precmd"
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reload_cmd="ipnat_start"
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;;
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NetBSD)
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IPNATDIR="/usr/sbin"
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config="/etc/ipnat.conf"
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reload_cmd="/usr/sbin/ipnat -F -C -f ${config}"
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start_precmd=
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;;
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esac
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start_cmd="ipnat_start"
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stop_cmd="${ipnat_program:-${IPNATDIR}/${name}} -F -C"
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extra_commands="reload"
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ipnat_precmd()
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{
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# Make sure ipfilter is loaded before continuing
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if ! ${SYSCTL} net.inet.ipf.fr_pass >/dev/null 2>&1 ; then
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err 'ipnat requires ipfilter be loaded'
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return 1
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fi
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return 0
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}
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ipnat_start()
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{
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case ${OSTYPE} in
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FreeBSD)
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echo -n 'Installing NAT rules ... '
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if [ -r "${ipnat_rules}" ]; then
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${ipnat_program:-/sbin/ipnat} -CF -f \
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"${ipnat_rules}" ${ipnat_flags}
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else
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echo -n ' NO IPNAT RULES'
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fi
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echo '.'
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# restore filter/NAT state tables after loading the rules
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if checkyesno ipfs_enable ; then
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if [ -r "/var/db/ipf/ipstate.ipf" ]; then
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echo -n ' ipfs'
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${ipfs_program:-/sbin/ipfs} -R ${ipfs_flags}
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# remove files to avoid reloading old state
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# after an ungraceful shutdown
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rm -f /var/db/ipf/ipstate.ipf
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rm -f /var/db/ipf/ipnat.ipf
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fi
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fi
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;;
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NetBSD)
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if [ ! -f ${config} ]; then
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return 0
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fi
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if ! checkyesno ipfilter || [ ! -f /etc/ipf.conf ]; then
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echo "Enabling ipfilter for NAT."
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/sbin/ipf -E -Fa
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fi
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echo -n "Installing NAT rules ... "
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/usr/sbin/ipnat -F -f ${config}
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;;
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esac
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}
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load_rc_config $name
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run_rc_command "$1"
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