-#!/bin/sh
+#!/bin/bash
# Filename: terminalserver
# Purpose: Program to do something
# Authors: grml-team (grml.org), (c) Michael Gebetsroither <gebi@grml.org>
### __VARIABLES
###
+FORCE_='false'
verbose_=0
# this file holds all variable definitions
cat <<EOT
Usage: "$PROG_NAME__" [OPTIONS] <command>
-$PROG_NAME__ is the config program for the terminalserver
-comming with grml.
+$PROG_NAME__ is the configuration program for the terminalserver
+provided by Grml.
COMMANDS:
help This help text
- start <service> Start services
+ start <service> Start services (if all services are started, configs will be updated)
stop <service> Stop services
+ config <service> Update config of given service (or from all if no services given)
clean Stop all + remove config and boot files from services
<default> interactive
SERVICES:
tftp Tftp daemon
dhcp Dhcp daemon
+ ipt Iptables setup (snat for clients)
nfs All necessary nfs daemons
<> ALL services
-
+
OPTIONS:
-v verbose (show what is going on, v++)
-h this help text
+ -f Force
EOT
}
+function killPortmapper
+{
+ if [ -f /etc/init.d/portmap ] ; then
+ /etc/init.d/portmap stop >/dev/null &>/dev/null
+ elif [ -f /etc/init.d/rpcbind ] ; then
+ /etc/init.d/rpcbind stop >/dev/null &>/dev/null
+ fi
+ killall -9 portmap &>/dev/null
+ killall -9 rpcbind &>/dev/null
+}
# DHCP SERVICE {{{
function createDhcpConf
{
- execute "mv -fb \"$DHCPD_CONFIG_FILE_\" \"$DHCPD_CONFIG_FILE_.old\"" eprint &>/dev/null
-
- execute "source $TEMPLATE_CONFIG_DIR_/dhcpd_config" die
+ if [ -e "$DHCPD_CONFIG_FILE_" ]; then
+ if grep $CONFIG_PATTERN_ $DHCPD_CONFIG_FILE_ &>/dev/null; then
+ execute "mv -fb \"$DHCPD_CONFIG_FILE_\" \"$DHCPD_CONFIG_FILE_.old\"" eprint &>/dev/null
+ execute "source $TEMPLATE_CONFIG_DIR_/dhcpd_config" die
+ else
+ if [[ $FORCE_ == "true" ]]; then
+ execute "mv -fb \"$DHCPD_CONFIG_FILE_\" \"$DHCPD_CONFIG_FILE_.old\"" eprint &>/dev/null
+ execute "source $TEMPLATE_CONFIG_DIR_/dhcpd_config" die
+ else
+ warn "Not updating user edited configfile $DHCPD_CONFIG_FILE_, user -f to override"
+ fi
+ fi
+ else
+ execute "source $TEMPLATE_CONFIG_DIR_/dhcpd_config" die
+ fi
}
function removeDhcpConf
{
- rm -f "$DHCPD_CONFIG_FILE_"
+ if [ -e "$DHCPD_CONFIG_FILE_" ]; then
+ if grep $CONFIG_PATTERN_ $DHCPD_CONFIG_FILE_ &>/dev/null; then
+ rm -f "$DHCPD_CONFIG_FILE_"
+ else
+ if [[ $FORCE_ == "true" ]]; then
+ rm -f "$DHCPD_CONFIG_FILE_"
+ else
+ warn "Not deleting user edited configfile $DHCPD_CONFIG_FILE_, user -f to override"
+ fi
+ fi
+ fi
}
{
start-stop-daemon --stop --quiet --pidfile "$DHCPD_PID_"
rm -f $DHCPD_PID_
- rm -f /var/lib/dhcp3/dhcpd.leases* 2>/dev/null #FIXME
- touch /var/lib/dhcp3/dhcpd.leases
+ # ugly but necessary :-/
+ find /var/lib/dhcp* -type f -name dhcpd.leases -delete
+ local dhcpdir
+ for dhcpdir in /var/lib/dhcp* ; do
+ touch ${dhcpdir}/dhcpd.leases
+ done
}
+
function startDhcp
{
local conf_file_="$DHCPD_CONFIG_FILE_"
-
+
test -f $DHCPD_BIN_ || die "could not find dhcpd \"$DHCPD_BIN_\""
start-stop-daemon --start --quiet --pidfile "$DHCPD_PID_" \
--exec "$DHCPD_BIN_" -- -cf "$conf_file_" -q "$INTERFACE_" || warn "problems starting dhcpd"
}
+
function runDhcp
{
isExistent "$DHCPD_CONFIG_FILE_" || \
}
# }}}
+# IPTABLES {{{
+function runIptables
+{
+ if [[ $IPTABLES_SNAT_ != "true" ]]; then
+ return
+ fi
+ startIptables
+}
+
+function startIptables
+{
+ if [ -x $(command -v iptables) ] ; then
+ if [[ $NAT_INTERFACE_ != "" ]]; then
+ local nat_source_ip_=`netGetIp "$NAT_INTERFACE_" warn`
+
+ if iptables -t nat -vnL POSTROUTING | grep -q "SNAT.*${NAT_INTERFACE_}.*to:${nat_source_ip_}" ; then
+ echo "Rule for SNAT already present, nothing to be done."
+ else
+ echo "Setting up SNAT for terminalserver clients on ${NAT_INTERFACE_}:"
+ echo "* iptables -t nat -F POSTROUTING"
+ echo -n "* iptables -t nat -A POSTROUTING -o $NAT_INTERFACE_ -j SNAT --to-source $nat_source_ip_ ... "
+ { iptables -t nat -F POSTROUTING && \
+ iptables -t nat -A POSTROUTING -o "$NAT_INTERFACE_" -j SNAT --to-source "$nat_source_ip_" ; } && \
+ echo done || echo failed
+ fi
+ if [ `cat /proc/sys/net/ipv4/ip_forward` -eq 1 ]; then
+ echo "IP-Forwarding already enabled, nothing to be done."
+ else
+ echo -n "Enabling IP-Forwarding: "
+ echo 1 > /proc/sys/net/ipv4/ip_forward && echo done || echo failed
+ fi
+ fi
+ else
+ warn "iptables executable not available"
+ fi
+}
+
+function stopIptables
+{
+ if [[ $IPTABLES_SNAT_ != "true" ]]; then
+ return
+ fi
+ if [ -x $(command -v iptables) ] ; then
+ if [[ $NAT_INTERFACE_ != "" ]]; then
+ local nat_source_ip_=`netGetIp "$NAT_INTERFACE_" warn`
+
+ if iptables -t nat -vnL POSTROUTING | grep -q "SNAT.*${NAT_INTERFACE_}.*to:${nat_source_ip_}" ; then
+ iptables -t nat -F POSTROUTING &>/dev/null && \
+ iptables -t nat -D POSTROUTING -o "$NAT_INTERFACE_" -j SNAT --to-source "$nat_source_ip_"
+ fi
+ echo 0 > /proc/sys/net/ipv4/ip_forward
+ fi
+ fi
+}
+# }}}
+
# TFTP SERVICE {{{
function removeTftpConf
{
function createTftpConf
{
removeTftpConf
-
- execute "mkdir $TFTPD_DATA_DIR_/pxelinux.cfg" die
- execute "install -m 644 /usr/lib/syslinux/pxelinux.0 $TFTPD_DATA_DIR_" die
- execute "install -m 644 $PATH_/minirt26.gz $TFTPD_DATA_DIR_" die
- execute "install -m 644 $KERNEL_IMAGE_ $TFTPD_DATA_DIR_/linux26" die
- execute "install -m 644 $MEMTEST_IMAGE_ $TFTPD_DATA_DIR_/memtest" die
+
+ execute "mkdir -p $TFTPD_DATA_DIR_/pxelinux.cfg" die
+ if [ -r /usr/lib/PXELINUX/pxelinux.0 ] ; then
+ execute "install -m 644 /usr/lib/PXELINUX/pxelinux.0 $TFTPD_DATA_DIR_" die
+ else # older versions of syslinux-common (<= 2:4.05+dfsg-6+deb7u1):
+ execute "install -m 644 /usr/lib/syslinux/pxelinux.0 $TFTPD_DATA_DIR_" die
+ fi
+ if [ -d "$MOUNT_POINT_"/boot/release ] ; then
+ cp -r "$MOUNT_POINT_"/boot/release "$TFTPD_DATA_DIR_"
+ fi
+ [ -f "$MEMTEST_IMAGE" ] && execute "install -m 644 $MEMTEST_IMAGE_ $TFTPD_DATA_DIR_/memtest" die
execute "install -m 644 $PXE_BOOT_MSG_ $TFTPD_DATA_DIR_" die
- execute "install -m 644 $PXE_BOOT_LOGO_ $TFTPD_DATA_DIR_" die
+ [ -f "$PXE_BOOT_LOGO_" ] && execute "install -m 644 $PXE_BOOT_LOGO_ $TFTPD_DATA_DIR_" die
+ # PXE / BIOS boot (pxelinux)
execute "source $TEMPLATE_CONFIG_DIR_/grub-pxelinux_config" die
+
+ # PXE / EFI boot (GRUB)
+ execute "source $TEMPLATE_CONFIG_DIR_/grub-shim_config" die
}
function stopTftp
{
- start-stop-daemon --stop --quiet --name "${TFTPD_BIN_##*/}"
+ start-stop-daemon --stop --quiet -p "$TFTPD_PID_" --user nobody
}
function startTftp
{
test -f $TFTPD_BIN_ || die "could not find \"$TFTPD_BIN_\""
- start-stop-daemon --start --quiet --exec "$TFTPD_BIN_" -- -l -a "$IP_" -s "$TFTPD_DATA_DIR_" || \
+ start-stop-daemon --start --quiet --exec "$TFTPD_BIN_" -- --daemon --no-multicast --pidfile "$TFTPD_PID_" --bind-address "$IP_" "$TFTPD_DATA_DIR_" || \
warn "problems starting tftpd server"
}
function runTftp
# NFS {{{
+function createNfsConfig
+{
+ execute "exportfs -o ro,no_root_squash,async,nohide,fsid=42 $NETWORK_/$NETMASK_:$MOUNT_POINT_" warn
+}
+
+function removeNfsConfig
+{
+ execute "exportfs -u -o ro,no_root_squash,async,nohide,fsid=42 $NETWORK_/$NETMASK_:$MOUNT_POINT_" warn
+}
+
function startNfs
{
- /etc/init.d/portmap start
+ if [ -f /etc/init.d/portmap ] ; then
+ /etc/init.d/portmap start
+ elif [ -f /etc/init.d/rpcbind ] ; then
+ /etc/init.d/rpcbind start
+ else
+ echo "Warning: Could not start portmapper/rpcbind" >&2
+ fi
/etc/init.d/nfs-common start
# FIXME /etc/init.d/nfs-kernel-server start
$USR_SHARE_/nfs-kernel-server start
+ echo
- # FIXME Silly "/etc/init.d/nfs-kernel-server start"
- # FIXME #246904 (init script does not start if no exports in /etc/exports)
- execute "exportfs -o ro,no_root_squash,async,nohide $NETWORK_/$NETMASK_:$MOUNT_POINT_" warn
- #execute "echo -e \"\n$MOUNT_POINT_ $NETWORK_/$NETMASK_(ro,no_root_squash,async)\" >> /etc/exports" warn
+ createNfsConfig
}
function stopNfs
{
- execute "exportfs -u -o ro,no_root_squash,async,nohide $NETWORK_/$NETMASK_:$MOUNT_POINT_" warn
+ removeNfsConfig
if [[ `exportfs |wc -l` > 0 ]]; then
dprint "There are other exports, not stopping NFS serivces"
else
/etc/init.d/nfs-kernel-server stop >/dev/null 2>&1
/etc/init.d/nfs-common stop >/dev/null 2>&1
- /etc/init.d/portmap stop >/dev/null 2>&1
+ killPortmapper
fi
}
# }}}
-function allreadyConfigured
-{
- isExistent "$CONF_FILE_" dprint || return 1
- return 0
-}
function createConfig
{
function actionStart
{
createConfig
-
- echo -n "Starting tftpd..."
- runTftp
- echo "done"
- echo -n "Starting dhcpd..."
- runDhcp
- echo "done"
- echo -n "Starting nfs..."
- startNfs
- echo "done"
+
+ echo -n "Starting tftpd: "
+ runTftp && echo done || echo failed
+
+ echo -n "Starting dhcpd: "
+ runDhcp && echo done || echo failed
+
+ runIptables
+
+ echo "Finally starting nfs services..."
+ startNfs && echo "Successfully finished startup of grml-terminalserver." || echo 'Startup of grml-terminalserver failed!'
}
function actionStop
{
stopTftp
stopDhcp
+ stopIptables
stopNfs
notice "Terminal-server stopped"
}
stopNfs
}
+function updateConfig
+{
+ local service_="$1"
+
+ case "$service_" in
+ "") createConfig ;;
+ tftp) createTftpConf ;;
+ dhcp) createDhcpConf ;;
+ nfs) removeNfsConfig; createNfsConfig ;;
+ *) warn "Service $service_ not available" ;;
+ esac
+}
+
# SERVICES {{{
function serviceStart
{
"") actionStart ;;
tftp) runTftp ;;
dhcp) runDhcp ;;
+ ipt) startIptables ;;
nfs) startNfs ;;
*) warn "Service $service_ not available" ;;
esac
"") actionStop ;;
tftp) stopTftp ;;
dhcp) stopDhcp ;;
+ ipt) stopIptables ;;
nfs) stopNfs ;;
*) warn "Service $service_ not available" ;;
esac
### __MAIN
###
-while getopts "i:hv" opt; do
+while getopts "fi:hv" opt; do
case "$opt" in
+ f) FORCE_='true' ;;
h) printUsage; exit ;;
v) let verbose_=$verbose_+1 ;;
?) printUsage; exit 64 ;;
. $CONFIG_
# used config vars:
# MOUNT_POINT_
-# KERNEL_IMAGE_
# MEMTEST_IMAGE_
# PXE_BOOT_MSG_
# PXE_BOOT_LOGO_
-if [[ $MOUNT_POINT_ == "" || $KERNEL_IMAGE_ == "" || $MEMTEST_IMAGE_ == "" || \
+if [[ $MOUNT_POINT_ == "" || $MEMTEST_IMAGE_ == "" || \
$PXE_BOOT_MSG_ == "" || $PXE_BOOT_MSG_ == "" ]]; then
warn "MOUNT_POINT_=\"$MOUNT_POINT_\" \
-KERNEL_IMAGE_=\"$KERNEL_IMAGE_\" \
MEMTEST_IMAGE_=\"$MEMTEST_IMAGE_\"
PXE_BOOT_MSG_=\"$PXE_BOOT_MSG_\"
PXE_BOOT_LOGO_=\"$PXE_BOOT_LOGO_\""
die "False configuration, please update $CONFIG_"
fi
-
+
case "$1" in
clean) actionClean; exit 0 ;;
esac
"grml-terminalserver-config returned an error, do you want to quit now?" 5 75 && exit 1
else
break
- fi
+ fi
done
source $CONF_FILE_
esac
fi
if [ $check_necessary_files_ == 'yes' ]; then
- # test for files absolutly necessary for grml-terminalserver and created from -config
+ # test for files absolutely necessary for grml-terminalserver and created from -config
problem_=0
- for i in $PATH_/minirt26.gz; do
+ for i in $PATH_/initrd.img; do
isExistent $i warn || problem_=1
done
if [ $problem_ -eq 1 ]; then
case "$1" in
start) serviceStart "$2" ;;
stop) serviceStop "$2" ;;
+ config) updateConfig "$2" ;;
"") actionStart ;;
*) printUsage ;;
esac
# END OF FILE
################################################################################
-# vim:foldmethod=marker
+# vim:foldmethod=marker tabstop=2 expandtab shiftwidth=2
projects / grml-terminalserver.git / blobdiff