96a94e728e
already does. This eliminates a logical inconsistency, and a small window where the system is open after the network comes up.
93 lines
2.1 KiB
Bash
Executable File
93 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# $FreeBSD$
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#
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# PROVIDE: ipfilter
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# REQUIRE: FILESYSTEMS
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# KEYWORD: nojail
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. /etc/rc.subr
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name="ipfilter"
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rcvar=`set_rcvar`
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load_rc_config $name
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stop_precmd="test -f ${ipfilter_rules} -o -f ${ipv6_ipfilter_rules}"
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start_precmd="$stop_precmd"
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start_cmd="ipfilter_start"
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stop_cmd="ipfilter_stop"
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reload_precmd="$stop_precmd"
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reload_cmd="ipfilter_reload"
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resync_precmd="$stop_precmd"
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resync_cmd="ipfilter_resync"
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status_precmd="$stop_precmd"
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status_cmd="ipfilter_status"
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extra_commands="reload resync status"
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required_modules="ipl:ipfilter"
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ipfilter_start()
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{
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echo "Enabling ipfilter."
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if [ `sysctl -n net.inet.ipf.fr_running` -le 0 ]; then
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${ipfilter_program:-/sbin/ipf} -E
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fi
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${ipfilter_program:-/sbin/ipf} -Fa
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if [ -r "${ipfilter_rules}" ]; then
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${ipfilter_program:-/sbin/ipf} \
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-f "${ipfilter_rules}" ${ipfilter_flags}
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fi
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${ipfilter_program:-/sbin/ipf} -6 -Fa
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if [ -r "${ipv6_ipfilter_rules}" ]; then
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${ipfilter_program:-/sbin/ipf} -6 \
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-f "${ipv6_ipfilter_rules}" ${ipfilter_flags}
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fi
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}
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ipfilter_stop()
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{
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# XXX - The ipf -D command is not effective for 'lkm's
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if [ `sysctl -n net.inet.ipf.fr_running` -eq 1 ]; then
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echo "Saving firewall state tables"
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${ipfs_program:-/sbin/ipfs} -W ${ipfs_flags}
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echo "Disabling ipfilter."
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${ipfilter_program:-/sbin/ipf} -D
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fi
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}
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ipfilter_reload()
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{
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echo "Reloading ipfilter rules."
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${ipfilter_program:-/sbin/ipf} -I -Fa
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if [ -r "${ipfilter_rules}" ]; then
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${ipfilter_program:-/sbin/ipf} -I \
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-f "${ipfilter_rules}" ${ipfilter_flags}
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if [ $? -ne 0 ]; then
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err 1 'Load of rules into alternate set failed; aborting reload'
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fi
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fi
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${ipfilter_program:-/sbin/ipf} -I -6 -Fa
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if [ -r "${ipv6_ipfilter_rules}" ]; then
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${ipfilter_program:-/sbin/ipf} -I -6 \
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-f "${ipv6_ipfilter_rules}" ${ipfilter_flags}
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if [ $? -ne 0 ]; then
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err 1 'Load of IPv6 rules into alternate set failed; aborting reload'
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fi
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fi
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${ipfilter_program:-/sbin/ipf} -s
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}
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ipfilter_resync()
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{
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${ipfilter_program:-/sbin/ipf} -y ${ipfilter_flags}
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}
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ipfilter_status()
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{
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${ipfilter_program:-/sbin/ipf} -V
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}
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run_rc_command "$1"
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