97 lines
1.7 KiB
Bash
Executable File
97 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# $NetBSD: ipsec,v 1.15 2018/08/13 09:16:06 christos Exp $
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#
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# PROVIDE: ipsec
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# REQUIRE: root bootconf mountcritlocal tty
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# BEFORE: DAEMON
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$_rc_subr_loaded . /etc/rc.subr
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name="ipsec"
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rcvar=$name
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start_precmd="ipsec_prestart"
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start_cmd="ipsec_start"
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stop_precmd="test -f /etc/ipsec.conf"
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stop_cmd="ipsec_stop"
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reload_cmd="ipsec_reload"
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extra_commands="reload"
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ipsec_prestart()
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{
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if [ ! -f /etc/ipsec.conf ]; then
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warn "/etc/ipsec.conf not readable; ipsec start aborted."
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stop_boot
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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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ipsec_getip() {
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ifconfig $1 | while IFS="${IFS}/" read what address rest; do
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case "$what" in
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inet) echo "local v4_addr=$address;";;
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inet6) case "$address" in
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fe80:) ;;
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*) echo "local v6_addr=$address;";;
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esac;;
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esac
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done
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}
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ipsec_load() {
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if [ -z "$1" ]; then
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/sbin/setkey -f /etc/ipsec.conf
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else
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sed -e "s/@LOCAL_ADDR@/$1/" \
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-e "s/@LOCAL_ADDR_V4@/$1/" \
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-e "s/@LOCAL_ADDR_V6@/$2/" /etc/ipsec.conf | \
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/sbin/setkey -f -
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fi
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}
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ipsec_configure() {
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while true; do
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eval $(ipsec_getip "$ipsec_flags")
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case "$v4_addr" in
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'') sleep 1;;
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"0.0.0.0") sleep 1;;
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*) ipsec_load "$v4_addr" "$v6_addr"; return;;
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esac
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done &
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}
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ipsec_start()
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{
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echo "Installing ipsec manual keys/policies."
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if [ -n "$ipsec_flags" ]; then
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ipsec_configure
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else
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ipsec_load
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fi
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}
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ipsec_stop()
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{
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echo "Clearing ipsec manual keys/policies."
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# still not 100% sure if we would like to do this.
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# it is very questionable to do this during shutdown session, since
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# it can hang any of remaining IPv4/v6 session.
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#
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/sbin/setkey -F
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/sbin/setkey -FP
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}
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ipsec_reload()
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{
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echo "Reloading ipsec manual keys/policies."
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ipsec_stop
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ipsec_start
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}
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load_rc_config $name
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run_rc_command "$1"
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