net-firewall/ipset: Sync with Gentoo

It's from Gentoo commit 1e4bbd99cb33746c1bf9c0276154bf2a7cd63d20.

sdk_container/src/third_party/portage-stable/net-firewall/ipset/files/ipset.initd-r6

@@ -1,105 +0,0 @@
-#!/sbin/openrc-run
-# Copyright 1999-2013 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-extra_commands="save"
-extra_started_commands="reload"
-
-IPSET_SAVE=${IPSET_SAVE:-/var/lib/ipset/rules-save}
-
-depend() {
-    before iptables ip6tables
-}
-
-checkconfig() {
-    if [ ! -f "${IPSET_SAVE}" ] ; then
-        eerror "Not starting ${SVCNAME}. First create some rules then run:"
-        eerror "/etc/init.d/${SVCNAME} save"
-        return 1
-    fi
-    return 0
-}
-
-start() {
-    checkconfig || return 1
-    ebegin "Loading ipset session"
-    ipset restore < "${IPSET_SAVE}"
-    eend $?
-}
-
-stop() {
-    # check if there are any references to current sets
-
-    if ! ipset list | gawk '
-        ($1 == "References:") { refcnt += $2 }
-        ($1 == "Type:" && $2 == "list:set") { set = 1 }
-        (scan) { if ($0 != "") setcnt++; else { scan = 0; set = 0 } }
-        (set && $1 == "Members:") {scan = 1}
-        END { if ((refcnt - setcnt) > 0) exit 1 }
-    '; then
-        eerror "ipset is in use, can't stop"
-        return 1
-    fi
-
-    if [ "${SAVE_ON_STOP}" = "yes" ] ; then
-        save || return 1
-    fi
-
-    ebegin "Removing kernel IP sets"
-    ipset flush
-    ipset destroy
-    eend $?
-}
-
-reload() {
-    ebegin "Reloading ipsets"
-
-    # Loading sets from a save file is only additive (there is no
-    # automatic flushing or replacing). And, we can not remove sets
-    # that are currently used in existing iptables rules.
-    #
-    # Instead, we create new temp sets for any set that is already
-    # in use, and then atomically swap them into place.
-    #
-    # XXX: This does not clean out previously used ipsets that are
-    # not in the new saved policy--it can't, because they may still
-    # be referenced in the current iptables rules.
-    
-
-    # Build a list of all currently used sets (if any).
-    running_ipset_list=$(ipset save | gawk '/^create/{printf "%s ",$2}')
-	running_ipset_list="${running_ipset_list% }"
-
-    # Check the configured suffix, and make sure there are no collisions
-    if test -z "${TEMP_SUFFIX}" ; then
-      eend 1 "TEMP_SUFFIX cannot be empty"
-      return 1
-    elif echo "$running_ipset_list" | grep -q -E "${TEMP_SUFFIX}( |$)" ; then
-      eend 1 "Existing set(s) match TEMP_SUFFIX pattern ('${TEMP_SUFFIX}'), cannot continue"
-      return 1
-    fi
-
-    # Build a regular expression that matches those set names.
-    running_ipset_list_regex="$(echo "$running_ipset_list" | tr -s ' ' '|' )"
-
-    # Load up sets from the save file, but rename any set that already
-    # exists to a temporary name that we will swap later.
-    if ! cat ${IPSET_SAVE} | sed -r "s/^(create|add) (${running_ipset_list_regex}) /\1 \2${TEMP_SUFFIX} /" | ipset restore ; then
-        eend $? "Failed to load new ipsets"
-    fi
-
-    # Now for every set name that currently exists, atomically swap it
-    # with the temporary new one we created, and then destroy the old set.
-    for ipset_name in ${running_ipset_list} ; do
-        ipset swap ${ipset_name} ${ipset_name}${TEMP_SUFFIX} || eend $? "Failed to swap in new ipset $ipset_name"
-        ipset destroy ${ipset_name}${TEMP_SUFFIX} || eend $? "Failed to delete obsolete ipset ${ipset_name}${TEMP_SUFFIX}"
-    done
-    eend 0
-}
-
-save() {
-    ebegin "Saving ipset session"
-    checkpath --file --mode 0600 "${IPSET_SAVE}"
-		ipset -output save list > "${IPSET_SAVE}"
-    eend $?
-}