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authorNatanael Copa <ncopa@alpinelinux.org>2009-03-12 20:50:00 +0000
committerNatanael Copa <ncopa@alpinelinux.org>2009-03-12 20:50:00 +0000
commit8efc7f4472cc1c7f803e9666f58ca6184f5b2457 (patch)
tree4ff2ed5b59787b0e59d454133f13ec04f2502a60 /extra/conntrack-tools/conntrackd.initd
parent8df2e568bcdb47c3552e4fc9dec3aa19d9cf4ad4 (diff)
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extra/conntrack-tools: add missing init.d and conf.d files
Diffstat (limited to 'extra/conntrack-tools/conntrackd.initd')
-rw-r--r--extra/conntrack-tools/conntrackd.initd99
1 files changed, 99 insertions, 0 deletions
diff --git a/extra/conntrack-tools/conntrackd.initd b/extra/conntrack-tools/conntrackd.initd
new file mode 100644
index 0000000000..9394badca1
--- /dev/null
+++ b/extra/conntrack-tools/conntrackd.initd
@@ -0,0 +1,99 @@
+#!/sbin/runscript
+# Copyright 1999-2008 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+CONNTRACKD_BIN="/usr/sbin/conntrackd"
+CONNTRACKD_CFG=${CONNTRACKD_CFG:-/etc/conntrackd/conntrackd.conf}
+CONNTRACKD_LOCK=${CONNTRACKD_LOCK:-/var/lock/conntrack.lock}
+
+depend() {
+ use logger
+ need net
+}
+
+checkconfig() {
+ # check for netfilter conntrack kernel support
+ local nf_ct_available=0
+ for k in net.netfilter.nf_conntrack_max \
+ net.ipv4.netfilter.ip_conntrack_max \
+ net.nf_conntrack_max; do
+ if sysctl -e -n ${k} &>/dev/null; then
+ nf_ct_available=1 # sysctl key found
+ break
+ fi
+ done
+ if [ ${nf_ct_available} -eq 0 ]; then
+ eerror
+ eerror "Your kernel is missing netfilter conntrack support!"
+ eerror "Make sure your kernel was compiled with netfilter conntrack support."
+ eerror
+ eerror "If it was compiled as a module you need to ensure the module is being"
+ eerror "loaded before starting conntrackd."
+ eerror "Either add an entry to /etc/modules.autoload/[...] (for baselayout-1)"
+ eerror "or /etc/conf.d/modules (for baselayout-2/OpenRC) or load the module"
+ eerror "by hand like this, depending on your kernel version:"
+ eerror
+ eerror " modprobe nf_conntrack # (for newer kernels)"
+ eerror " modprobe ip_conntrack # (for older kernels)"
+ eerror
+ return 1
+ fi
+ # check if netfilter conntrack TCP window tracking is disabled
+ local nf_ct_tcp_be_liberal=0
+ for k in net.netfilter.nf_conntrack_tcp_be_liberal \
+ net.ipv4.netfilter.ip_conntrack_tcp_be_liberal; do
+ nf_ct_tcp_be_liberal=$(sysctl -e -n ${k} 2>/dev/null)
+ if [ ${?} -ne 0 ]; then
+ continue # sysctl key not found
+ else
+ break # sysctl key found
+ fi
+ done
+ if [ ${nf_ct_tcp_be_liberal} -ne 1 ]; then
+ eerror
+ eerror "You need to disable TCP window tracking!"
+ eerror "Add the following line to your /etc/sysctl.conf:"
+ eerror
+ eerror " ${k} = 1"
+ eerror
+ eerror "...and run this to activate the setting: sysctl -q -p"
+ eerror
+ return 1
+ fi
+ # check for config file
+ if [ ! -e "${CONNTRACKD_CFG}" ]; then
+ eerror
+ eerror "The conntrackd config file (${CONNTRACKD_CFG})"
+ eerror "is missing!"
+ eerror
+ return 1
+ fi
+ # check for leftover lockfile
+ if [ -f "${CONNTRACKD_LOCK}" ]; then
+ ewarn
+ ewarn "The conntrackd lockfile (${CONNTRACKD_LOCK})"
+ ewarn "exists although the service is not marked as started."
+ ewarn "Will remove the lockfile and start the service in 10s"
+ ewarn "if not interrupted..."
+ ewarn
+ sleep 10
+ if ! rm -f "${CONNTRACKD_LOCK}"; then
+ eerror "Failed to remove the conntrackd lockfile (${CONNTRACKD_LOCK})"
+ return 1
+ fi
+ fi
+}
+
+start() {
+ checkconfig || return 1
+ ebegin "Starting conntrackd"
+ start-stop-daemon --start --exec "${CONNTRACKD_BIN}" \
+ -- -d -C "${CONNTRACKD_CFG}" ${CONNTRACKD_OPTS}
+ eend $?
+}
+
+stop() {
+ ebegin "Stopping conntrackd"
+ start-stop-daemon --stop --exec "${CONNTRACKD_BIN}"
+ eend $?
+}