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|
#!/bin/bash
### BEGIN INIT INFO
# Provides: nfs-kernel-server
# Required-Start: $remote_fs nfs-common $portmap $time
# Required-Stop: $remote_fs nfs-common $portmap $time
# Should-Start: $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Kernel NFS server support
# Description: NFS is a popular protocol for file sharing across
# TCP/IP networks. This service provides NFS server
# functionality, which is configured via the
# /etc/exports file.
### END INIT INFO
# What is this?
DESC="NFS kernel daemon"
PREFIX=/usr
# Exit if required binaries are missing.
[ -x $PREFIX/sbin/rpc.nfsd ] || exit 0
[ -x $PREFIX/sbin/rpc.mountd ] || exit 0
[ -x $PREFIX/sbin/exportfs ] || exit 0
# Read config
DEFAULTFILE=/etc/default/nfs-kernel-server
RPCNFSDPRIORITY=0
NEED_SVCGSSD=no
PROCNFSD_MOUNTPOINT=/proc/fs/nfsd
if [ -f $DEFAULTFILE ]; then
. $DEFAULTFILE
fi
. /lib/lsb/init-functions
do_modprobe() {
if [ -x /sbin/modprobe ] && [ -f /proc/modules ]
then
modprobe -q "$1" || true
fi
}
do_mount() {
if ! grep -E -qs "$1\$" /proc/filesystems
then
return 1
fi
if ! mountpoint -q "$2"
then
mount -t "$1" "$1" "$2"
return
fi
return 0
}
# See how we were called.
case "$1" in
start)
export_files="/etc/exports"
for file in /etc/exports.d/*.exports ; do
if [ -f "$file" ]; then
export_files="$export_files $file"
fi
done
# shellcheck disable=SC2086
if [ -f /etc/exports ] && grep -q '^[[:space:]]*[^#]*/' $export_files
then
do_modprobe nfsd
# See if our running kernel supports the NFS kernel server
if ! grep -E -qs "[[:space:]]nfsd\$" /proc/filesystems; then
log_warning_msg "Not starting $DESC: no support in current kernel"
exit 0
fi
do_mount nfsd $PROCNFSD_MOUNTPOINT || NEED_SVCGSSD=no
log_action_begin_msg "Exporting directories for $DESC"
$PREFIX/sbin/exportfs -r
RET=$?
if [ $RET != 0 ]; then
log_action_end_msg $RET
exit $RET
fi
log_action_end_msg 0
log_daemon_msg "Starting $DESC"
log_progress_msg "nfsd"
# See if rpcbind is running
$PREFIX/sbin/rpcinfo -p >/dev/null 2>&1
RET=$?
if [ $RET != 0 ]; then
echo
log_warning_msg "Not starting: portmapper is not running"
exit 0
fi
start-stop-daemon --start --oknodo --quiet \
--nicelevel $RPCNFSDPRIORITY \
--exec $PREFIX/sbin/rpc.nfsd
RET=$?
if [ $RET != 0 ]; then
log_end_msg $RET
exit $RET
fi
# make sure 127.0.0.1 is a valid source for requests
ClearAddr=
if [ -f /proc/net/rpc/auth.unix.ip/channel ]
then
grep -Fqs 127.0.0.1 /proc/net/rpc/auth.unix.ip/content || {
echo "nfsd 127.0.0.1 2147483647 localhost" >/proc/net/rpc/auth.unix.ip/channel
ClearAddr=yes
}
fi
[ -z "$ClearAddr" ] || echo "nfsd 127.0.0.1 1" >/proc/net/rpc/auth.unix.ip/channel
if [ "$NEED_SVCGSSD" = "yes" ]; then
do_modprobe rpcsec_gss_krb5
log_progress_msg "svcgssd"
start-stop-daemon --start --oknodo --quiet \
--exec $PREFIX/sbin/rpc.svcgssd
RET=$?
if [ $RET != 0 ]; then
log_end_msg $RET
exit $RET
fi
fi
log_progress_msg "mountd"
start-stop-daemon --start --oknodo --quiet \
--exec $PREFIX/sbin/rpc.mountd
RET=$?
if [ $RET != 0 ]; then
log_end_msg $RET
exit $RET
fi
log_end_msg 0
else
log_warning_msg "Not starting $DESC: no exports"
fi
;;
stop)
log_daemon_msg "Stopping $DESC"
log_progress_msg "mountd"
start-stop-daemon --stop --oknodo --quiet \
--name rpc.mountd --user 0
RET=$?
if [ $RET != 0 ]; then
log_end_msg $RET
exit $RET
fi
if [ "$NEED_SVCGSSD" = "yes" ]; then
log_progress_msg "svcgssd"
start-stop-daemon --stop --oknodo --quiet \
--name rpc.svcgssd --user 0
RET=$?
if [ $RET != 0 ]; then
log_end_msg $RET
exit $RET
fi
fi
log_progress_msg "nfsd"
start-stop-daemon --stop --oknodo --quiet \
--name nfsd --user 0 --signal 2
RET=$?
if [ $RET != 0 ]; then
log_end_msg $RET
exit $RET
fi
log_end_msg 0
log_action_begin_msg "Unexporting directories for $DESC"
$PREFIX/sbin/exportfs -au
RET=$?
if [ $RET != 0 ]; then
log_action_end_msg $RET
exit $RET
fi
log_action_end_msg 0
if mountpoint -q $PROCNFSD_MOUNTPOINT
then
$PREFIX/sbin/exportfs -f
fi
;;
status)
status_of_proc nfsd nfsd
exit $?
;;
reload | force-reload)
log_begin_msg "Re-exporting directories for $DESC..."
$PREFIX/sbin/exportfs -r
RET=$?
log_end_msg $RET
exit $RET
;;
restart)
$0 stop
sleep 1
$0 start
;;
*)
log_success_msg "Usage: nfs-kernel-server {start|stop|status|reload|force-reload|restart}"
exit 1
;;
esac
exit 0
|
